/* ============================================================
   GEN·AI VISUALIZED — shared stylesheet
   ============================================================ */

:root {
  /* surfaces */
  --bg: #05060f;
  --surface: #0a0e1a;
  --card: rgba(255, 255, 255, 0.03);
  --card-strong: rgba(255, 255, 255, 0.055);
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);

  /* ink */
  --ink: #e6edf6;
  --ink-2: #9aa7bd;
  --ink-3: #647089;

  /* data colors — validated against --surface (dark) */
  --cyan: #0ea5c4;
  --violet: #8b5cf6;
  --pink: #ec4899;
  --amber: #d97706;

  /* bright accents — decorative only (glow text, gradients), not data */
  --cyan-hi: #22d3ee;
  --violet-hi: #a78bfa;
  --pink-hi: #f472b6;

  --grad: linear-gradient(100deg, var(--cyan-hi), var(--violet-hi) 55%, var(--pink-hi));

  --font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic Medium",
    "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "Courier New", monospace;

  --maxw: 1060px;
  --radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}

::selection { background: rgba(34, 211, 238, 0.3); }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.mono { font-family: var(--font-mono); }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- fixed background canvas ---------- */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.bg-vignette {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1100px 600px at 75% -10%, rgba(139, 92, 246, 0.13), transparent 60%),
    radial-gradient(900px 550px at 12% 25%, rgba(14, 165, 196, 0.10), transparent 60%),
    radial-gradient(ellipse at 50% 120%, rgba(236, 72, 153, 0.07), transparent 55%);
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: rgba(5, 6, 15, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.brand {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--ink-2);
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.8);
}

.brand strong { color: var(--ink); font-weight: 600; }

.site-nav {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a, .site-nav span {
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 999px;
  color: var(--ink-2);
  transition: color 0.2s, background 0.2s;
}

.site-nav a:hover { color: var(--ink); background: rgba(255, 255, 255, 0.06); }

.site-nav a.active {
  color: var(--ink);
  background: rgba(139, 92, 246, 0.16);
  border: 1px solid rgba(139, 92, 246, 0.35);
}

.site-nav .soon {
  color: var(--ink-3);
  border: 1px dashed var(--border);
  cursor: default;
}
.site-nav .soon small {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--pink-hi);
  margin-left: 6px;
  vertical-align: 1px;
}

/* ---------- hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: var(--cyan-hi);
  margin-bottom: 26px;
  text-shadow: 0 0 20px rgba(34, 211, 238, 0.55);
}

.hero h1 {
  font-size: clamp(34px, 6.2vw, 68px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.04em;
  margin-bottom: 26px;
}

.hero-sub {
  max-width: 620px;
  color: var(--ink-2);
  font-size: clamp(14px, 1.6vw, 17px);
  margin-bottom: 44px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 38px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #04121a;
  background: var(--grad);
  border: none;
  box-shadow: 0 0 34px rgba(34, 211, 238, 0.35), 0 0 80px rgba(139, 92, 246, 0.25);
  transition: transform 0.25s, box-shadow 0.25s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 44px rgba(34, 211, 238, 0.5), 0 0 100px rgba(139, 92, 246, 0.35);
}

.scroll-cue {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--ink-3);
  animation: cue-bob 2.4s ease-in-out infinite;
}
.scroll-cue::after {
  content: "";
  display: block;
  width: 1px; height: 34px;
  margin: 10px auto 0;
  background: linear-gradient(var(--ink-3), transparent);
}
@keyframes cue-bob {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.7; }
  50% { transform: translate(-50%, 8px); opacity: 1; }
}

/* ---------- landing cards ---------- */
.mode-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
  width: min(880px, 92vw);
  margin: 0 auto;
  padding-bottom: 120px;
}

.mode-card {
  position: relative;
  display: block;
  padding: 34px 32px 30px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.mode-card .glyph {
  font-family: var(--font-mono);
  font-size: 30px;
  display: block;
  margin-bottom: 18px;
}

.mode-card h3 { font-size: 21px; margin-bottom: 6px; letter-spacing: 0.05em; }

.mode-card .en {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--ink-3);
  display: block;
  margin-bottom: 14px;
}

.mode-card p { color: var(--ink-2); font-size: 13.5px; line-height: 1.9; }

.mode-card .cta {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan-hi);
}

.mode-card.live:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: 0 18px 50px rgba(14, 165, 196, 0.16);
}

.mode-card.locked { opacity: 0.72; cursor: default; }
.mode-card.locked .cta { color: var(--pink-hi); }

.mode-card .beam {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0.85;
}

/* ---------- step sections ---------- */
main.flow { position: relative; z-index: 1; }

.step {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 110px 26px;
}

.step-head { margin-bottom: 40px; }

.step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--cyan-hi);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.step-num::before {
  content: "";
  width: 34px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-hi));
}

.step h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.step h2 .en {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--ink-3);
  margin-top: 10px;
}

.step .lead {
  color: var(--ink-2);
  max-width: 700px;
  margin-top: 18px;
  font-size: 15px;
}

.step .lead strong { color: var(--ink); font-weight: 600; }

/* ---------- panels ---------- */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.panel + .panel { margin-top: 22px; }

.panel-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--ink-3);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.panel-title::before {
  content: "▸";
  color: var(--violet-hi);
}

.note {
  margin-top: 22px;
  padding: 18px 22px;
  border-left: 2px solid var(--violet);
  background: rgba(139, 92, 246, 0.06);
  border-radius: 0 12px 12px 0;
  color: var(--ink-2);
  font-size: 13.5px;
}
.note b { color: var(--violet-hi); font-weight: 600; }

/* ---------- generic controls ---------- */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  align-items: center;
  margin-bottom: 24px;
}

.btn {
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan-hi);
  border: 1px solid rgba(34, 211, 238, 0.35);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn:hover { background: rgba(34, 211, 238, 0.2); box-shadow: 0 0 24px rgba(34, 211, 238, 0.18); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }

.btn.ghost {
  background: transparent;
  color: var(--ink-2);
  border-color: var(--border-strong);
}
.btn.ghost:hover { color: var(--ink); box-shadow: none; background: rgba(255,255,255,0.05); }

.seg {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  overflow: hidden;
}
.seg button {
  padding: 9px 16px;
  font-size: 13px;
  background: transparent;
  color: var(--ink-2);
  border: none;
  transition: background 0.2s, color 0.2s;
}
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on {
  background: rgba(139, 92, 246, 0.18);
  color: var(--violet-hi);
}

.slider-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-2);
}

.slider-wrap .val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-hi);
  min-width: 3.2em;
  text-align: right;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 180px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--pink));
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #eaf6ff;
  border: 2px solid var(--cyan);
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.6);
  cursor: grab;
}
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #eaf6ff;
  border: 2px solid var(--cyan);
  box-shadow: 0 0 14px rgba(34, 211, 238, 0.6);
  cursor: grab;
}

/* ---------- STEP 1: tokenizer ---------- */
.raw-text {
  font-size: 19px;
  padding: 22px 26px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed var(--border-strong);
  min-height: 76px;
  line-height: 2;
}

.token-stage {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 10px;
  margin-top: 26px;
  min-height: 90px;
  align-items: flex-start;
}

.token-chip {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0;
  transform: translateY(14px) scale(0.9);
  transition: opacity 0.45s, transform 0.45s;
}
.token-chip.in { opacity: 1; transform: none; }

.token-chip .tk {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid;
  white-space: pre;
}

.token-chip .tid {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}

.tk.c0 { color: #7ce7f7; border-color: rgba(14,165,196,.55); background: rgba(14,165,196,.13); }
.tk.c1 { color: #c4b0fa; border-color: rgba(139,92,246,.55); background: rgba(139,92,246,.13); }
.tk.c2 { color: #f9a8d0; border-color: rgba(236,72,153,.5);  background: rgba(236,72,153,.11); }
.tk.c3 { color: #f2c46a; border-color: rgba(217,119,6,.55);  background: rgba(217,119,6,.12); }

.token-count {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-2);
  min-height: 1.5em;
}
.token-count b { color: var(--cyan-hi); font-size: 15px; }

/* ---------- STEP 2: embeddings ---------- */
.embed-pick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.embed-pick button {
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-strong);
  color: var(--ink-2);
  transition: all 0.2s;
}
.embed-pick button.on {
  color: var(--cyan-hi);
  border-color: rgba(34,211,238,0.5);
  background: rgba(14,165,196,0.13);
  box-shadow: 0 0 16px rgba(14,165,196,0.2);
}

.vector-flow {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.vector-flow .arrow {
  font-family: var(--font-mono);
  color: var(--ink-3);
  font-size: 20px;
}

.vec-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 5px;
  flex: 1;
  min-width: 300px;
}

.vec-cell {
  border-radius: 7px;
  padding: 7px 2px 6px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  border: 1px solid rgba(148,163,184,0.12);
  color: var(--ink);
  transition: background 0.5s, color 0.5s;
}

.vec-more {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  margin-top: 12px;
}

.analogy {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 17px;
  padding: 8px 0 2px;
}
.analogy .w {
  padding: 6px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,0.04);
  font-weight: 600;
}
.analogy .w.hl { color: var(--pink-hi); border-color: rgba(236,72,153,0.5); background: rgba(236,72,153,0.1); }
.analogy .op { font-family: var(--font-mono); color: var(--ink-3); font-size: 19px; }

/* scatter map */
.scatter-wrap { position: relative; }

.scatter-svg { width: 100%; height: auto; display: block; }

.scatter-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--ink-2);
}
.scatter-legend span { display: inline-flex; align-items: center; gap: 7px; }
.scatter-legend i {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.scatter-tip {
  position: absolute;
  pointer-events: none;
  background: rgba(10, 14, 26, 0.95);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--ink);
  transform: translate(-50%, -130%);
  opacity: 0;
  transition: opacity 0.15s;
  white-space: nowrap;
}
.scatter-tip small { color: var(--ink-3); margin-left: 6px; }

/* ---------- STEP 3: attention ---------- */
.attn-stage { position: relative; }

.attn-svg { width: 100%; height: auto; display: block; }

.attn-tokens {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: nowrap;
}

.attn-tok {
  padding: 8px 4px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--ink-2);
  font-size: 14px;
  flex: 1;
  text-align: center;
  min-width: 0;
  transition: all 0.25s;
  white-space: nowrap;
}
.attn-tok:hover { border-color: var(--border-strong); color: var(--ink); }
.attn-tok.focus {
  color: var(--cyan-hi);
  border-color: rgba(34,211,238,0.6);
  background: rgba(14,165,196,0.14);
  box-shadow: 0 0 18px rgba(14,165,196,0.25);
}
.attn-tok.src {
  color: var(--violet-hi);
  border-color: rgba(139,92,246,0.55);
  background: rgba(139,92,246,0.12);
}

.attn-readout {
  margin-top: 20px;
  font-size: 13.5px;
  color: var(--ink-2);
  min-height: 2em;
}
.attn-readout b { color: var(--cyan-hi); }
.attn-readout .w-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.attn-readout .w-item i {
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--violet);
  display: inline-block;
}

/* ---------- STEP 4 & 5: probability bars ---------- */
.prob-context {
  font-size: 17px;
  margin-bottom: 26px;
  color: var(--ink-2);
}
.prob-context .ctx {
  color: var(--ink);
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-strong);
}
.prob-context .nxt {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 8px;
  border: 1px dashed rgba(34,211,238,0.5);
  color: var(--cyan-hi);
  font-family: var(--font-mono);
  animation: nxt-blink 1.6s ease-in-out infinite;
}
@keyframes nxt-blink { 0%,100% { opacity: 0.55; } 50% { opacity: 1; } }

.prob-rows { display: flex; flex-direction: column; gap: 11px; }

.prob-row {
  display: grid;
  grid-template-columns: 110px 1fr 62px;
  align-items: center;
  gap: 14px;
}

.prob-row .lab {
  font-size: 14.5px;
  text-align: right;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.prob-row .track {
  display: block;
  height: 14px;
  border-radius: 7px;
  background: rgba(148,163,184,0.08);
  overflow: hidden;
  position: relative;
}

.prob-row .fill {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 0 4px 4px 0;
  background: var(--cyan);
  opacity: 0.6;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s, background 0.3s;
}

.prob-row.top .fill {
  opacity: 1;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-hi));
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.35);
}
.prob-row.top .lab { color: var(--cyan-hi); font-weight: 600; }

.prob-row .pct {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-2);
}
.prob-row.top .pct { color: var(--cyan-hi); }

.prob-row.chosen .fill {
  background: linear-gradient(90deg, var(--violet), var(--violet-hi));
  opacity: 1;
  box-shadow: 0 0 18px rgba(139, 92, 246, 0.5);
}
.prob-row.chosen .lab { color: var(--violet-hi); font-weight: 700; }
.prob-row.chosen .pct { color: var(--violet-hi); }

.softmax-formula {
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-3);
  text-align: center;
  letter-spacing: 0.05em;
}
.softmax-formula b { color: var(--pink-hi); font-weight: 600; }

.temp-hint {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--ink-3);
  width: 180px;
  margin-top: 2px;
}

/* ---------- STEP 5: generation loop ---------- */
.loop-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 22px;
}
@media (max-width: 840px) {
  .loop-grid { grid-template-columns: 1fr; }
}

.gen-output {
  font-size: 18px;
  line-height: 2.2;
  min-height: 210px;
  letter-spacing: 0.04em;
}

.gen-output .prompt-part { color: var(--ink-3); }

.gen-output .gen-tok {
  color: var(--ink);
  border-radius: 4px;
  animation: tok-in 0.5s ease-out;
}
.gen-output .gen-tok.fresh {
  color: var(--cyan-hi);
  background: rgba(14, 165, 196, 0.14);
  text-shadow: 0 0 14px rgba(34, 211, 238, 0.5);
}
@keyframes tok-in {
  from { opacity: 0; filter: blur(4px); }
  to { opacity: 1; filter: blur(0); }
}

.cursor {
  display: inline-block;
  width: 9px; height: 21px;
  background: var(--cyan-hi);
  vertical-align: -3px;
  margin-left: 3px;
  border-radius: 2px;
  animation: cursor-blink 1s steps(1) infinite;
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.7);
}
@keyframes cursor-blink { 50% { opacity: 0; } }

.gen-status {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  min-height: 2.2em;
}
.gen-status b { color: var(--violet-hi); }
.gen-status .p { color: var(--cyan-hi); }

.loop-diagram {
  margin-top: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--ink-3);
  letter-spacing: 0.06em;
}
.loop-diagram .node {
  padding: 7px 13px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--ink-2);
  transition: all 0.3s;
}
.loop-diagram .node.lit {
  color: var(--cyan-hi);
  border-color: rgba(34,211,238,0.6);
  background: rgba(14,165,196,0.12);
  box-shadow: 0 0 14px rgba(14,165,196,0.3);
}
.loop-diagram .arr { color: var(--ink-3); }

/* ---------- outro ---------- */
.recap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.recap .r-card {
  padding: 20px 18px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--ink-2);
}
.recap .r-card b {
  display: block;
  color: var(--ink);
  font-size: 14.5px;
  margin-bottom: 6px;
}
.recap .r-card .n {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--cyan-hi);
  display: block;
  margin-bottom: 10px;
}

.coming-soon {
  margin-top: 26px;
  padding: 30px 32px;
  border-radius: var(--radius);
  border: 1px dashed rgba(236, 72, 153, 0.4);
  background: rgba(236, 72, 153, 0.05);
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.coming-soon .tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--pink-hi);
  border: 1px solid rgba(236,72,153,0.45);
  padding: 5px 12px;
  border-radius: 999px;
}
.coming-soon p { color: var(--ink-2); font-size: 14px; flex: 1; min-width: 240px; }
.coming-soon b { color: var(--pink-hi); }

/* ---------- image generation page ---------- */
.page-img .step-num { color: var(--pink-hi); }
.page-img .step-num::before { background: linear-gradient(90deg, transparent, var(--pink-hi)); }
.page-img .hero-kicker { color: var(--pink-hi); text-shadow: 0 0 20px rgba(244, 114, 182, 0.55); }
.page-img .rail a.on { background: var(--pink-hi); box-shadow: 0 0 12px rgba(244, 114, 182, 0.8); }

.img-frame {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.img-frame canvas {
  width: min(340px, 78vw);
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: #000;
  box-shadow: 0 10px 44px rgba(139, 92, 246, 0.18);
}

.img-frame .cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
}

.img-frame canvas.px { image-rendering: pixelated; }

.canvas-duo {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
}

.thumb-strip {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 26px;
}

.thumb-strip .th {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.thumb-strip canvas {
  width: 104px;
  height: 104px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.thumb-strip .t-lab {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
}

.thumb-strip .th.now canvas {
  border-color: rgba(244, 114, 182, 0.65);
  box-shadow: 0 0 18px rgba(244, 114, 182, 0.3);
}
.thumb-strip .th.now .t-lab { color: var(--pink-hi); }

.noise-meter {
  display: block;
  height: 10px;
  border-radius: 5px;
  background: rgba(148, 163, 184, 0.1);
  overflow: hidden;
  margin-top: 8px;
}
.noise-meter .nm-fill {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: 0 5px 5px 0;
  background: linear-gradient(90deg, var(--violet), var(--pink));
  transition: width 0.25s linear;
}

.denoise-readout {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  margin-top: 14px;
  min-height: 2em;
}
.denoise-readout b { color: var(--pink-hi); }
.denoise-readout .dim { color: var(--ink-3); }

.prompt-pick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.prompt-pick button {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
  color: var(--ink-2);
  transition: all 0.2s;
}
.prompt-pick button.on {
  color: var(--pink-hi);
  border-color: rgba(244, 114, 182, 0.55);
  background: rgba(236, 72, 153, 0.12);
  box-shadow: 0 0 16px rgba(236, 72, 153, 0.2);
}

.cfg-scale-hint {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--ink-3);
  width: 180px;
  margin-top: 2px;
}

/* ---------- training page ---------- */
:root { --amber-hi: #fbbf24; }

.page-train .step-num { color: var(--amber-hi); }
.page-train .step-num::before { background: linear-gradient(90deg, transparent, var(--amber-hi)); }
.page-train .hero-kicker { color: var(--amber-hi); text-shadow: 0 0 20px rgba(251, 191, 36, 0.5); }
.page-train .rail a.on { background: var(--amber-hi); box-shadow: 0 0 12px rgba(251, 191, 36, 0.8); }

.train-canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
}

.loss-readout {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  margin-top: 16px;
  min-height: 1.6em;
}
.loss-readout b { color: var(--amber-hi); }
.loss-readout .bad { color: var(--pink-hi); }
.loss-readout .dim { color: var(--ink-3); }

/* STEP1: 穴埋め問題 */
.quiz-sentence {
  font-size: 22px;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  line-height: 2;
}
.quiz-sentence .known {
  color: var(--ink);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-strong);
  margin-right: 6px;
}
.quiz-sentence .blank {
  display: inline-block;
  min-width: 2.4em;
  text-align: center;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px dashed rgba(251, 191, 36, 0.55);
  color: var(--amber-hi);
  font-family: var(--font-mono);
  margin-right: 6px;
  animation: nxt-blink 1.6s ease-in-out infinite;
}
.quiz-sentence .future { color: var(--ink-3); margin-right: 6px; opacity: 0.5; }

.prob-row.answer .fill {
  background: linear-gradient(90deg, var(--amber), var(--amber-hi));
  opacity: 1;
  box-shadow: 0 0 16px rgba(251, 191, 36, 0.4);
}
.prob-row.answer .lab { color: var(--amber-hi); font-weight: 700; }
.prob-row.answer .lab::after { content: " ✓正解"; font-size: 11px; }
.prob-row.answer .pct { color: var(--amber-hi); }

/* STEP4: ベース vs アシスタント */
.chat-box {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.025);
  padding: 20px 22px;
  min-height: 150px;
  font-size: 15px;
  line-height: 2;
}
.chat-box .q {
  display: block;
  color: var(--cyan-hi);
  font-weight: 600;
  margin-bottom: 12px;
}
.chat-box .q::before { content: "YOU ▸ "; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; color: var(--ink-3); }
.chat-box .a { color: var(--ink); }
.chat-box .a::before { content: attr(data-who) " ▸ "; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; color: var(--ink-3); }

/* STEP5: RLHF A/B */
.ab-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 700px) { .ab-grid { grid-template-columns: 1fr; } }

.ab-card {
  text-align: left;
  padding: 20px 22px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.95;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.ab-card:hover {
  border-color: rgba(251, 191, 36, 0.6);
  background: rgba(251, 191, 36, 0.06);
  transform: translateY(-2px);
}
.ab-card .ab-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber-hi);
  border: 1px solid rgba(251, 191, 36, 0.4);
  border-radius: 6px;
  padding: 2px 9px;
  margin-bottom: 10px;
}

.rlhf-q {
  font-size: 16px;
  margin-bottom: 18px;
  color: var(--ink);
}
.rlhf-q b { color: var(--amber-hi); }

.trait-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  min-height: 2.2em;
}
.trait-chips .chip {
  font-size: 13px;
  padding: 6px 15px;
  border-radius: 999px;
  border: 1px solid rgba(251, 191, 36, 0.5);
  color: var(--amber-hi);
  background: rgba(251, 191, 36, 0.08);
  animation: tok-in 0.4s ease-out;
}
.trait-chips .chip.empty {
  border-style: dashed;
  color: var(--ink-3);
  background: transparent;
}

.rlhf-progress {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  margin-bottom: 16px;
}
.rlhf-progress b { color: var(--amber-hi); }

/* ---------- audio generation page ---------- */
:root { --green-hi: #34d399; }

.page-audio .step-num { color: var(--green-hi); }
.page-audio .step-num::before { background: linear-gradient(90deg, transparent, var(--green-hi)); }
.page-audio .hero-kicker { color: var(--green-hi); text-shadow: 0 0 20px rgba(52, 211, 153, 0.5); }
.page-audio .rail a.on { background: var(--green-hi); box-shadow: 0 0 12px rgba(52, 211, 153, 0.8); }

.phoneme-stage { position: relative; }

.phoneme-row {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.ph-chip {
  flex: 1;
  max-width: 110px;
  text-align: center;
  padding: 12px 6px 10px;
  border-radius: 10px;
  border: 1px solid rgba(52, 211, 153, 0.4);
  background: rgba(52, 211, 153, 0.07);
}
.ph-chip .kana { display: block; font-size: 19px; font-weight: 600; color: var(--green-hi); }
.ph-chip .roma {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  margin-top: 4px;
}
.ph-chip.noise-burst { border-style: dashed; }
.ph-chip .noise-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--pink-hi);
  letter-spacing: 0.1em;
  margin-top: 3px;
  min-height: 1.2em;
}

.pitch-svg {
  width: 100%;
  height: 110px;
  display: block;
  margin-bottom: 6px;
}

.audio-note-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-3);
  margin: 14px 0 6px;
}

.spec-legend {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 12px;
  font-size: 12px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.playing-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green-hi);
  box-shadow: 0 0 10px rgba(52, 211, 153, 0.9);
  margin-right: 8px;
  animation: nxt-blink 0.8s ease-in-out infinite;
  vertical-align: 1px;
}

/* ---------- agent / RAG page ---------- */
.page-agent .step-num { color: var(--violet-hi); }
.page-agent .step-num::before { background: linear-gradient(90deg, transparent, var(--violet-hi)); }
.page-agent .hero-kicker { color: var(--violet-hi); text-shadow: 0 0 20px rgba(167, 139, 250, 0.5); }
.page-agent .rail a.on { background: var(--violet-hi); box-shadow: 0 0 12px rgba(167, 139, 250, 0.8); }

.fail-tag {
  display: inline-block;
  font-size: 12px;
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid rgba(236, 72, 153, 0.45);
  color: var(--pink-hi);
  background: rgba(236, 72, 153, 0.08);
  margin-top: 14px;
}

/* STEP2: 文書カードと類似度 */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 20px;
}
.doc-card {
  padding: 13px 15px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-3);
  transition: all 0.35s;
}
.doc-card b {
  display: block;
  font-size: 12px;
  color: var(--ink-2);
  margin-bottom: 4px;
  font-weight: 600;
}
.doc-card .sim {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  margin-top: 6px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}
.doc-card.hit {
  border-color: rgba(167, 139, 250, 0.6);
  background: rgba(139, 92, 246, 0.09);
  color: var(--ink-2);
  box-shadow: 0 0 18px rgba(139, 92, 246, 0.15);
}
.doc-card.hit b { color: var(--violet-hi); }
.doc-card.hit .sim { color: var(--violet-hi); }

/* STEP3: プロンプト組み立て */
.prompt-stack { display: flex; flex-direction: column; gap: 10px; }
.ctx-block {
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  padding: 13px 17px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-2);
}
.ctx-block .ctx-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.ctx-block.retrieved {
  border-color: rgba(167, 139, 250, 0.55);
  background: rgba(139, 92, 246, 0.07);
}
.ctx-block.retrieved .ctx-tag { color: var(--violet-hi); }
.ctx-block.empty {
  border-style: dashed;
  color: var(--ink-3);
  background: transparent;
}
.cite-chip {
  display: inline-block;
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid rgba(52, 211, 153, 0.5);
  color: var(--green-hi);
  margin-left: 8px;
  vertical-align: 1px;
}

/* STEP4: ツール呼び出しJSON */
.tool-flow { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.tool-json {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid rgba(167, 139, 250, 0.5);
  background: rgba(139, 92, 246, 0.08);
  color: var(--violet-hi);
  white-space: pre-wrap;
  word-break: break-all;
  animation: tok-in 0.4s ease-out;
}
.tool-json .tj-tag, .tool-result .tj-tag {
  display: block;
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.tool-result {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.8;
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid rgba(52, 211, 153, 0.5);
  background: rgba(52, 211, 153, 0.07);
  color: var(--green-hi);
  white-space: pre-wrap;
  animation: tok-in 0.4s ease-out;
}

/* STEP5: エージェントループ */
.agent-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 22px;
}
@media (max-width: 840px) { .agent-grid { grid-template-columns: 1fr; } }

.agent-log {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 320px;
}
.log-entry {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-2);
  animation: tok-in 0.45s ease-out;
}
.log-entry .lt {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  padding: 4px 10px;
  border-radius: 6px;
  margin-top: 3px;
  min-width: 72px;
  text-align: center;
}
.log-entry.think .lt { color: var(--violet-hi); border: 1px solid rgba(167,139,250,0.45); background: rgba(139,92,246,0.08); }
.log-entry.act .lt { color: var(--cyan-hi); border: 1px solid rgba(34,211,238,0.45); background: rgba(14,165,196,0.08); }
.log-entry.observe .lt { color: var(--green-hi); border: 1px solid rgba(52,211,153,0.45); background: rgba(52,211,153,0.07); }
.log-entry.final .lt { color: var(--amber-hi); border: 1px solid rgba(251,191,36,0.5); background: rgba(251,191,36,0.08); }
.log-entry.final { color: var(--ink); }
.log-entry .mono-arg { font-family: var(--font-mono); font-size: 12px; color: var(--cyan-hi); }

.tools-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-content: start;
}
.tool-card {
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  font-size: 12.5px;
  color: var(--ink-2);
  transition: all 0.3s;
}
.tool-card .t-name {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-2);
  margin-bottom: 3px;
}
.tool-card small { color: var(--ink-3); font-size: 11px; line-height: 1.5; display: block; }
.tool-card.lit {
  border-color: rgba(34, 211, 238, 0.65);
  background: rgba(14, 165, 196, 0.1);
  box-shadow: 0 0 20px rgba(14, 165, 196, 0.25);
  transform: scale(1.03);
}
.tool-card.lit .t-name { color: var(--cyan-hi); }

/* ---------- coding page ---------- */
:root { --lime-hi: #a3e635; }

.page-code .step-num { color: var(--lime-hi); }
.page-code .step-num::before { background: linear-gradient(90deg, transparent, var(--lime-hi)); }
.page-code .hero-kicker { color: var(--lime-hi); text-shadow: 0 0 20px rgba(163, 230, 53, 0.45); }
.page-code .rail a.on { background: var(--lime-hi); box-shadow: 0 0 12px rgba(163, 230, 53, 0.8); }

.code-editor {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.95;
  background: #05080f;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 18px 22px;
  white-space: pre;
  overflow-x: auto;
  min-height: 120px;
  color: var(--ink);
  letter-spacing: 0;
}

/* syntax highlight */
.code-editor .k { color: var(--violet-hi); }
.code-editor .s { color: var(--green-hi); }
.code-editor .num { color: var(--amber-hi); }
.code-editor .c { color: var(--ink-3); font-style: italic; }
.code-editor .f { color: var(--cyan-hi); }

.code-editor .ghost { color: #55627a; }
.code-editor .caret {
  display: inline-block;
  width: 8px;
  height: 17px;
  background: var(--lime-hi);
  vertical-align: -3px;
  border-radius: 1px;
  animation: cursor-blink 1s steps(1) infinite;
  box-shadow: 0 0 8px rgba(163, 230, 53, 0.7);
}
.code-editor .accepted { animation: accept-flash 0.7s ease-out; border-radius: 3px; }
@keyframes accept-flash {
  0% { background: rgba(163, 230, 53, 0.35); }
  100% { background: transparent; }
}

.code-editor .fim-cursor {
  display: inline-block;
  padding: 0 6px;
  border-radius: 4px;
  border: 1px dashed rgba(163, 230, 53, 0.7);
  color: var(--lime-hi);
  font-size: 11px;
  animation: nxt-blink 1.5s ease-in-out infinite;
}
.code-editor .fim-fill {
  background: rgba(163, 230, 53, 0.13);
  border-radius: 3px;
  outline: 1px solid rgba(163, 230, 53, 0.35);
}

.ghost-hint {
  font-size: 12px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  margin-top: 12px;
  min-height: 1.6em;
}
.ghost-hint b { color: var(--lime-hi); }

/* FIMブロック */
.ctx-block.fim-pre { border-color: rgba(34, 211, 238, 0.4); }
.ctx-block.fim-pre .ctx-tag { color: var(--cyan-hi); }
.ctx-block.fim-mid {
  border-color: rgba(163, 230, 53, 0.55);
  background: rgba(163, 230, 53, 0.06);
}
.ctx-block.fim-mid .ctx-tag { color: var(--lime-hi); }
.ctx-block.fim-suf { border-color: rgba(236, 72, 153, 0.4); }
.ctx-block.fim-suf .ctx-tag { color: var(--pink-hi); }
.ctx-block .mono-body { font-family: var(--font-mono); font-size: 12.5px; white-space: pre-wrap; }

/* diff */
.diff-line { display: block; padding: 0 10px; border-radius: 4px; }
.diff-line::before { display: inline-block; width: 1.4em; color: var(--ink-3); }
.diff-line.ctx::before { content: " "; }
.diff-line.del {
  background: rgba(236, 72, 153, 0.1);
  color: #f0a5c8;
}
.diff-line.del::before { content: "−"; color: var(--pink-hi); }
.diff-line.add {
  background: rgba(163, 230, 53, 0.1);
  color: #cbe89a;
}
.diff-line.add::before { content: "+"; color: var(--lime-hi); }
.diff-line.hidden-line { display: none; }

/* テスト結果 */
.test-panel {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  min-height: 90px;
}
.test-panel .tp-title {
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--ink-3);
  display: block;
  margin-bottom: 4px;
}
.test-line { display: block; animation: tok-in 0.35s ease-out; }
.test-line.pass { color: var(--green-hi); }
.test-line.fail { color: var(--pink-hi); }
.test-line .detail { color: var(--ink-3); }
.exec-badge {
  display: inline-block;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(163, 230, 53, 0.5);
  color: var(--lime-hi);
  background: rgba(163, 230, 53, 0.07);
}

/* ---------- video generation page ---------- */
:root { --orange-hi: #fb923c; }

.page-video .step-num { color: var(--orange-hi); }
.page-video .step-num::before { background: linear-gradient(90deg, transparent, var(--orange-hi)); }
.page-video .hero-kicker { color: var(--orange-hi); text-shadow: 0 0 20px rgba(251, 146, 60, 0.5); }
.page-video .rail a.on { background: var(--orange-hi); box-shadow: 0 0 12px rgba(251, 146, 60, 0.8); }

.video-viewer {
  display: block;
  margin: 0 auto;
  width: min(320px, 70vw);
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: #000;
  box-shadow: 0 10px 44px rgba(251, 146, 60, 0.14);
}

.viewer-duo {
  display: flex;
  gap: 26px;
  justify-content: center;
  flex-wrap: wrap;
}
.viewer-duo .vd {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.viewer-duo canvas {
  width: min(300px, 74vw);
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: #000;
}
.viewer-duo .vd-cap {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
}
.viewer-duo .vd-cap.bad { color: var(--pink-hi); }
.viewer-duo .vd-cap.good { color: var(--green-hi); }

.film-strip {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 10px;
  background:
    repeating-linear-gradient(90deg, rgba(148,163,184,0.14) 0 6px, transparent 6px 18px) top / 100% 6px no-repeat,
    repeating-linear-gradient(90deg, rgba(148,163,184,0.14) 0 6px, transparent 6px 18px) bottom / 100% 6px no-repeat,
    rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
}
.film-strip .ff {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.film-strip canvas {
  width: 86px;
  height: 86px;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.film-strip .fn {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
}

.tattn-stage { position: relative; }
.tattn-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.fps-readout {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  text-align: center;
  margin-top: 14px;
  min-height: 1.6em;
}
.fps-readout b { color: var(--orange-hi); }

/* ---------- music generation page ---------- */
:root { --red-hi: #f87171; }

.page-music .step-num { color: var(--red-hi); }
.page-music .step-num::before { background: linear-gradient(90deg, transparent, var(--red-hi)); }
.page-music .hero-kicker { color: var(--red-hi); text-shadow: 0 0 20px rgba(248, 113, 113, 0.5); }
.page-music .rail a.on { background: var(--red-hi); box-shadow: 0 0 12px rgba(248, 113, 113, 0.8); }
.page-music .prob-row.chosen .fill {
  background: linear-gradient(90deg, #dc2626, var(--red-hi));
  box-shadow: 0 0 18px rgba(248, 113, 113, 0.5);
}
.page-music .prob-row.chosen .lab,
.page-music .prob-row.chosen .pct { color: var(--red-hi); }

.note-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.note-chip {
  min-width: 46px;
  text-align: center;
  padding: 10px 8px 8px;
  border-radius: 10px;
  border: 1px solid rgba(248, 113, 113, 0.4);
  background: rgba(248, 113, 113, 0.06);
  transition: all 0.15s;
}
.note-chip .nn { display: block; font-size: 16px; font-weight: 600; color: var(--red-hi); }
.note-chip .nd {
  display: block;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--ink-3);
  margin-top: 3px;
  letter-spacing: 0.08em;
}
.note-chip.playing {
  background: rgba(248, 113, 113, 0.22);
  border-color: var(--red-hi);
  box-shadow: 0 0 18px rgba(248, 113, 113, 0.45);
  transform: translateY(-3px);
}
.note-chip.off { border-style: dashed; opacity: 0.75; }
.note-chip.off .nn { color: var(--ink-2); }

.piano-roll {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: #05080f;
}

.school-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 700px) { .school-grid { grid-template-columns: 1fr; } }
.school-card {
  padding: 20px 22px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-2);
}
.school-card b { display: block; font-size: 15px; color: var(--ink); margin-bottom: 6px; }
.school-card .sc-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  margin-bottom: 10px;
  padding: 3px 10px;
  border-radius: 999px;
}
.school-card.symbolic .sc-tag { color: var(--red-hi); border: 1px solid rgba(248,113,113,0.45); }
.school-card.audio-gen .sc-tag { color: var(--green-hi); border: 1px solid rgba(52,211,153,0.45); }

/* ---------- transformer deep-dive page ---------- */
:root { --steel-hi: #cbd5e1; }

.page-deep .step-num { color: var(--steel-hi); }
.page-deep .step-num::before { background: linear-gradient(90deg, transparent, var(--steel-hi)); }
.page-deep .hero-kicker { color: var(--steel-hi); text-shadow: 0 0 20px rgba(203, 213, 225, 0.5); }
.page-deep .rail a.on { background: var(--steel-hi); box-shadow: 0 0 12px rgba(203, 213, 225, 0.8); }

/* Q/K/V ラベル付きミニベクトル */
.vec4 {
  display: flex;
  gap: 6px;
  align-items: center;
}
.vec4 .v4-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  width: 2.2em;
  text-align: center;
  padding: 5px 0;
  border-radius: 7px;
}
.vec4.q .v4-tag { color: var(--cyan-hi); border: 1px solid rgba(34,211,238,0.5); background: rgba(14,165,196,0.1); }
.vec4.k .v4-tag { color: var(--pink-hi); border: 1px solid rgba(236,72,153,0.5); background: rgba(236,72,153,0.08); }
.vec4.v .v4-tag { color: var(--green-hi); border: 1px solid rgba(52,211,153,0.5); background: rgba(52,211,153,0.08); }
.vec4 .cells { display: flex; gap: 4px; flex: 1; }
.vec4 .cell {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 6px 2px;
  border-radius: 6px;
  border: 1px solid rgba(148,163,184,0.12);
  color: var(--ink);
}
.vec4 .v4-note { font-size: 12px; color: var(--ink-3); min-width: 9em; }

.dim-labels {
  display: flex;
  gap: 4px;
  margin: 0 0 6px calc(2.2em + 12px);
}
.dim-labels span {
  flex: 1;
  text-align: center;
  font-size: 10.5px;
  font-family: var(--font-mono);
  color: var(--ink-3);
  letter-spacing: 0.05em;
}

/* 内積のステップ表示 */
.score-table { display: flex; flex-direction: column; gap: 10px; }
.score-row {
  display: grid;
  grid-template-columns: 74px 1fr 120px;
  align-items: center;
  gap: 14px;
  min-height: 34px;
}
.score-row .st {
  text-align: right;
  font-size: 14.5px;
  color: var(--ink);
  white-space: nowrap;
}
.score-row .formula {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.score-row .formula b { color: var(--steel-hi); font-weight: 600; }
.score-row .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--steel-hi);
  text-align: right;
}

/* 混色スウォッチ */
.mix-stage {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
  justify-content: center;
}
.mix-bar {
  display: flex;
  height: 34px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  min-width: 280px;
  flex: 1;
  max-width: 480px;
}
.mix-bar span {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-family: var(--font-mono);
  color: rgba(0,0,0,0.75);
  overflow: hidden;
  white-space: nowrap;
  transition: width 0.5s;
}
.mix-swatch {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  box-shadow: 0 0 30px rgba(203,213,225,0.2);
  flex-shrink: 0;
}
.mix-arrow { font-size: 22px; color: var(--ink-3); font-family: var(--font-mono); }

/* 位置バッジ付きチップ */
.pos-chip { position: relative; }
.pos-chip .pos-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(203, 213, 225, 0.15);
  border: 1px solid rgba(203, 213, 225, 0.5);
  color: var(--steel-hi);
}
.eq-mark {
  text-align: center;
  font-size: 26px;
  font-family: var(--font-mono);
  margin: 10px 0;
  min-height: 1.3em;
}
.eq-mark.same { color: var(--pink-hi); }
.eq-mark.diff { color: var(--green-hi); }

/* ---------- vision page ---------- */
:root { --sky-hi: #38bdf8; }

.page-vision .step-num { color: var(--sky-hi); }
.page-vision .step-num::before { background: linear-gradient(90deg, transparent, var(--sky-hi)); }
.page-vision .hero-kicker { color: var(--sky-hi); text-shadow: 0 0 20px rgba(56, 189, 248, 0.5); }
.page-vision .rail a.on { background: var(--sky-hi); box-shadow: 0 0 12px rgba(56, 189, 248, 0.8); }

.vision-img {
  width: min(300px, 74vw);
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: #000;
  cursor: crosshair;
}

.loupe-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  min-width: 280px;
  flex: 1;
  max-width: 420px;
}
.loupe-cell {
  border-radius: 6px;
  padding: 8px 2px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.5;
  border: 1px solid rgba(148, 163, 184, 0.15);
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9);
}
.loupe-mark {
  position: absolute;
  border: 2px solid var(--sky-hi);
  border-radius: 4px;
  pointer-events: none;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.7);
}

.patch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-top: 20px;
}
.patch-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  opacity: 0;
  transform: translateY(10px) scale(0.85);
  transition: opacity 0.4s, transform 0.4s;
}
.patch-item.in { opacity: 1; transform: none; }
.patch-item canvas {
  width: 42px;
  height: 42px;
  border-radius: 6px;
  border: 1px solid rgba(56, 189, 248, 0.4);
}
.patch-item .pi-n {
  font-family: var(--font-mono);
  font-size: 8.5px;
  color: var(--ink-3);
}

/* CLIP 意味の地図 */
.clip-map {
  position: relative;
  height: 420px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}
.clip-map svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.cm-word {
  position: absolute;
  transform: translate(-50%, -50%);
  font-size: 13px;
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(10, 14, 26, 0.8);
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.cm-word:hover, .cm-word.lit {
  color: var(--sky-hi);
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.35);
}
.cm-img {
  position: absolute;
  transform: translate(-50%, -50%);
  padding: 0;
  border: 2px solid rgba(148, 163, 184, 0.4);
  border-radius: 10px;
  background: none;
  cursor: pointer;
  transition: all 0.2s;
  line-height: 0;
}
.cm-img canvas { width: 64px; height: 64px; border-radius: 8px; }
.cm-img:hover, .cm-img.lit {
  border-color: var(--sky-hi);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.5);
}
.cm-sim {
  position: absolute;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--sky-hi);
  background: rgba(5, 8, 15, 0.85);
  padding: 1px 7px;
  border-radius: 6px;
  pointer-events: none;
}

/* ゼロショット・マルチモーダル */
.zs-grid {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
}
.zs-grid .prob-rows { flex: 1; min-width: 280px; max-width: 520px; }

.mm-stage {
  position: relative;
  display: inline-block;
  line-height: 0;
}
.mm-stage canvas.mm-img {
  width: min(300px, 74vw);
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
}
.mm-cells {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(6, 1fr);
}
.mm-cells span {
  border: 1px solid rgba(148, 163, 184, 0.08);
  transition: all 0.4s;
}
.mm-cells span.hot {
  border-color: rgba(56, 189, 248, 0.9);
  background: rgba(56, 189, 248, 0.22);
  box-shadow: inset 0 0 12px rgba(56, 189, 248, 0.35);
}

/* ---------- footer ---------- */
.site-footer {
  text-align: center;
  padding: 50px 20px 60px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

/* ---------- progress rail ---------- */
.rail {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
@media (max-width: 1200px) { .rail { display: none; } }

.rail a {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(148,163,184,0.25);
  transition: all 0.3s;
  position: relative;
}
.rail a:hover { background: var(--ink-2); }
.rail a.on {
  background: var(--cyan-hi);
  box-shadow: 0 0 12px rgba(34,211,238,0.8);
  transform: scale(1.25);
}
.rail a .tip {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--ink-2);
  background: rgba(10,14,26,0.9);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.rail a:hover .tip { opacity: 1; }

/* ---------- reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.shown { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 640px) {
  .step { padding: 80px 18px; }
  .panel { padding: 20px 18px; }
  .prob-row { grid-template-columns: 86px 1fr 52px; }
  .attn-tok { font-size: 11px; padding: 6px 2px; }
  .site-nav a, .site-nav span { padding: 6px 9px; font-size: 12px; }
  .brand { letter-spacing: 0.16em; }
  .vec-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   安全性・アライメント編 (safety.html)
   ============================================================ */
:root { --teal-hi: #2dd4bf; }

.page-safety .step-num { color: var(--teal-hi); }
.page-safety .step-num::before { background: linear-gradient(90deg, transparent, var(--teal-hi)); }
.page-safety .hero-kicker { color: var(--teal-hi); text-shadow: 0 0 20px rgba(45, 212, 191, 0.5); }
.page-safety .rail a.on { background: var(--teal-hi); box-shadow: 0 0 12px rgba(45, 212, 191, 0.8); }

/* STEP 2 — 差し替わるSYSTEMブロック */
.ctx-block.sys-swap {
  border-color: rgba(45, 212, 191, 0.45);
  background: rgba(45, 212, 191, 0.05);
}
.ctx-block.sys-swap .ctx-tag { color: var(--teal-hi); }
.ctx-block.sys-swap b { color: var(--teal-hi); font-weight: 600; }

/* STEP 3 — 判断ゲージ */
.judge-bar {
  position: relative;
  display: flex;
  height: 36px;
  margin: 6px 0 24px;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.judge-bar .jz {
  flex: 1;
  display: grid;
  place-items: center;
  font-size: 11.5px;
  letter-spacing: 0.08em;
}
.judge-bar .jz-ok { color: var(--green-hi); background: rgba(52, 211, 153, 0.12); border-radius: 999px 0 0 999px; }
.judge-bar .jz-care {
  color: var(--amber-hi);
  background: rgba(251, 191, 36, 0.10);
  border-left: 1px dashed rgba(255, 255, 255, 0.14);
  border-right: 1px dashed rgba(255, 255, 255, 0.14);
}
.judge-bar .jz-no { color: var(--red-hi); background: rgba(248, 113, 113, 0.12); border-radius: 0 999px 999px 0; }
.judge-bar .j-pointer {
  position: absolute;
  top: -9px;
  bottom: -9px;
  width: 3px;
  left: 10%;
  border-radius: 2px;
  background: #fff;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.8);
  transform: translateX(-50%);
  transition: left 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.rf-parts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.rf-chip {
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(45, 212, 191, 0.4);
  background: rgba(45, 212, 191, 0.06);
  color: var(--ink-2);
}

/* STEP 4 — 受信箱とインジェクション */
.inbox { display: flex; flex-direction: column; gap: 10px; }
.mail-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  font-size: 12.5px;
  color: var(--ink-2);
  line-height: 1.7;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.mail-card b { display: block; color: var(--ink); font-size: 12.5px; margin-bottom: 2px; }
.mail-card small { display: block; color: var(--ink-3); font-size: 11px; margin-bottom: 6px; }
.mail-card .inj-text {
  color: var(--red-hi);
  background: rgba(248, 113, 113, 0.08);
  border-radius: 4px;
  padding: 1px 4px;
}
.mail-card .inj-label { display: block; margin-top: 6px; font-size: 11px; color: var(--red-hi); }
.mail-card.reading {
  border-color: rgba(45, 212, 191, 0.55);
  box-shadow: 0 0 18px rgba(45, 212, 191, 0.12);
}

.log-entry.danger .lt { color: var(--red-hi); border: 1px solid rgba(248, 113, 113, 0.5); background: rgba(248, 113, 113, 0.08); }
.log-entry.danger { color: var(--red-hi); }
.log-entry.guard .lt { color: var(--teal-hi); border: 1px solid rgba(45, 212, 191, 0.5); background: rgba(45, 212, 191, 0.08); }
.log-entry.guard { color: var(--ink); }

.verdict {
  min-height: 24px;
  margin-top: 18px;
  font-size: 14px;
  text-align: center;
  border-radius: 10px;
  opacity: 0;
  transition: opacity 0.5s;
}
.verdict.show { opacity: 1; padding: 12px 16px; }
.verdict.bad { border: 1px solid rgba(248, 113, 113, 0.45); background: rgba(248, 113, 113, 0.07); color: var(--red-hi); }
.verdict.good { border: 1px solid rgba(52, 211, 153, 0.45); background: rgba(52, 211, 153, 0.07); color: var(--green-hi); }
.verdict.guard { border: 1px solid rgba(45, 212, 191, 0.45); background: rgba(45, 212, 191, 0.07); color: var(--teal-hi); }
.verdict b { font-weight: 700; }

/* STEP 5 — 多層防御 */
.shield-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 640px;
  margin: 8px auto 0;
}
.dd-query, .dd-out {
  text-align: center;
  font-size: 13px;
  color: var(--ink-2);
  padding: 10px 14px;
  border: 1px dashed var(--border);
  border-radius: 10px;
}
.dd-out { opacity: 0.45; transition: opacity 0.4s, border-color 0.4s, box-shadow 0.4s; }
.dd-out.lit {
  opacity: 1;
  color: var(--green-hi);
  border-color: rgba(52, 211, 153, 0.55);
  box-shadow: 0 0 18px rgba(52, 211, 153, 0.12);
}
.shield-layer {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.shield-layer .sl-icon { font-size: 20px; }
.shield-layer .sl-body { flex: 1; }
.shield-layer .sl-body b { display: block; font-size: 13.5px; color: var(--ink); letter-spacing: 0.04em; }
.shield-layer .sl-body small { color: var(--ink-3); font-size: 11.5px; line-height: 1.5; }
.shield-layer .sl-state {
  min-width: 84px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
}
.shield-layer.checking {
  border-color: rgba(45, 212, 191, 0.6);
  box-shadow: 0 0 20px rgba(45, 212, 191, 0.15);
}
.shield-layer.checking .sl-state { color: var(--teal-hi); }
.shield-layer.passed { border-color: rgba(52, 211, 153, 0.35); }
.shield-layer.passed .sl-state { color: var(--green-hi); }
.shield-layer.blocked {
  border-color: rgba(45, 212, 191, 0.75);
  background: rgba(45, 212, 191, 0.07);
  box-shadow: 0 0 26px rgba(45, 212, 191, 0.22);
}
.shield-layer.blocked .sl-body b { color: var(--teal-hi); }
.shield-layer.blocked .sl-state { color: var(--teal-hi); font-weight: 700; }

/* ============================================================
   量子化・高速化編 (quantization.html)
   ============================================================ */
:root { --gold-hi: #f5b301; }

.page-quant .step-num { color: var(--gold-hi); }
.page-quant .step-num::before { background: linear-gradient(90deg, transparent, var(--gold-hi)); }
.page-quant .hero-kicker { color: var(--gold-hi); text-shadow: 0 0 20px rgba(245, 179, 1, 0.5); }
.page-quant .rail a.on { background: var(--gold-hi); box-shadow: 0 0 12px rgba(245, 179, 1, 0.8); }

/* STEP 1 — メモリ計算 */
.sz-formula {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 24px 0;
  font-size: 20px;
}
.sz-formula .f-params { color: var(--cyan-hi); font-weight: 600; }
.sz-formula .f-bytes { color: var(--gold-hi); font-weight: 600; }
.sz-formula .f-op { color: var(--ink-3); font-size: 16px; }
.sz-formula .f-total {
  color: var(--ink);
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 8px;
  border: 1px solid rgba(245, 179, 1, 0.4);
  background: rgba(245, 179, 1, 0.08);
}
.dev-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 8px;
}
.dev {
  flex: 1;
  min-width: 130px;
  max-width: 180px;
  text-align: center;
  padding: 14px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  transition: opacity 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.dev .dv-icon { font-size: 26px; display: block; }
.dev b { display: block; font-size: 13px; color: var(--ink); margin: 4px 0 2px; }
.dev small { display: block; color: var(--ink-3); font-size: 11px; line-height: 1.4; min-height: 2.6em; }
.dev .dv-mark { display: block; font-size: 11px; margin-top: 6px; font-family: var(--font-mono); }
.dev.nofit { opacity: 0.34; }
.dev.nofit .dv-mark { color: var(--red-hi); }
.dev.fit .dv-mark { color: var(--ink-3); }
.dev.first {
  border-color: rgba(245, 179, 1, 0.7);
  background: rgba(245, 179, 1, 0.08);
  box-shadow: 0 0 22px rgba(245, 179, 1, 0.16);
}
.dev.first .dv-mark { color: var(--gold-hi); font-weight: 700; }
.dev.first b { color: var(--gold-hi); }

/* STEP 2 — 減色 & 重みストリップ */
.quant-canvas {
  width: 200px;
  height: 200px;
  image-rendering: pixelated;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.canvas-duo figure { margin: 0; }
.weight-strip {
  width: 100%;
  max-width: 900px;
  height: auto;
  display: block;
  margin: 10px auto 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.01);
}

/* STEP 3 — 実物NNの量子化 */
.nq-canvas {
  width: 100%;
  max-width: 900px;
  height: auto;
  display: block;
  margin: 10px auto 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.01);
}
.nq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 18px;
}
.nq-stat {
  flex: 1;
  min-width: 150px;
  max-width: 240px;
  text-align: center;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.nq-stat small { display: block; color: var(--ink-3); font-size: 11px; margin-bottom: 4px; }
.nq-stat b { font-size: 22px; color: var(--ink); }
.nq-stat b.ok { color: var(--green-hi); }
.nq-stat b.warn { color: var(--orange-hi); }
.nq-stat b.bad { color: var(--red-hi); }
.nq-stat .mono { display: block; font-size: 11px; color: var(--ink-3); margin-top: 2px; }

/* STEP 4 — KVキャッシュ */
.kv-grid-wrap { overflow-x: auto; padding: 4px; }
.kv-grid {
  display: grid;
  grid-template-columns: auto repeat(var(--cols), 1fr);
  gap: 3px;
  min-width: 480px;
  max-width: 640px;
  margin: 0 auto;
}
.kv-corner { }
.kv-colhead, .kv-rowhead {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.kv-rowhead { justify-content: flex-end; padding-right: 8px; white-space: nowrap; }
.kv-cell {
  aspect-ratio: 1;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.015);
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}
.kv-cell.off { background: transparent; }
.kv-cell.compute {
  background: rgba(245, 179, 1, 0.85);
  box-shadow: 0 0 10px rgba(245, 179, 1, 0.5);
}
.kv-cell.cached {
  background: rgba(52, 211, 153, 0.28);
  border: 1px solid rgba(52, 211, 153, 0.5);
}
.kv-counter { font-size: 13px; color: var(--gold-hi); }

/* STEP 5 — 蒸留パイプライン */
.pipe {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 10px;
}
.pipe-node {
  flex: 1;
  min-width: 130px;
  max-width: 180px;
  padding: 14px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
  position: relative;
}
.pipe-node .pn-icon { font-size: 28px; display: block; }
.pipe-node b { display: block; font-size: 14px; color: var(--ink); margin: 6px 0 2px; }
.pipe-node .pn-size { display: block; font-size: 11px; color: var(--ink-3); margin-bottom: 8px; }
.pipe-node .pn-bar {
  display: block;
  height: 6px;
  min-width: 3px;
  margin: 0 auto;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--gold-hi));
}
.pipe-node.hot {
  border-color: rgba(245, 179, 1, 0.7);
  background: rgba(245, 179, 1, 0.08);
  box-shadow: 0 0 24px rgba(245, 179, 1, 0.18);
}
.pipe-node.hot b { color: var(--gold-hi); }
.pipe-arr {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--ink-3);
  text-align: center;
  line-height: 1.4;
}
@media (max-width: 720px) {
  .pipe { flex-direction: column; align-items: stretch; }
  .pipe-node { max-width: none; }
  .pipe-arr { transform: rotate(90deg); padding: 2px 0; }
}

/* ============================================================
   推論モデル編 (reasoning.html)
   ============================================================ */
:root { --indigo-hi: #818cf8; }

.page-reason .step-num { color: var(--indigo-hi); }
.page-reason .step-num::before { background: linear-gradient(90deg, transparent, var(--indigo-hi)); }
.page-reason .hero-kicker { color: var(--indigo-hi); text-shadow: 0 0 20px rgba(129, 140, 248, 0.5); }
.page-reason .rail a.on { background: var(--indigo-hi); box-shadow: 0 0 12px rgba(129, 140, 248, 0.8); }
.page-reason .log-entry.think .lt { color: var(--indigo-hi); border: 1px solid rgba(129,140,248,0.45); background: rgba(129,140,248,0.09); }
.page-reason .log-entry.recheck .lt { color: var(--amber-hi); border: 1px solid rgba(251,191,36,0.5); background: rgba(251,191,36,0.09); }
.page-reason .log-entry.recheck { color: var(--ink); }

/* STEP 2 — 思考の連鎖 */
.cot-steps { display: flex; flex-direction: column; gap: 10px; }
.cot-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(129, 140, 248, 0.04);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s, transform 0.4s;
}
.cot-step.in { opacity: 1; transform: none; }
.cot-step .cs-n {
  flex: none;
  width: 24px; height: 24px;
  display: grid; place-items: center;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--indigo-hi);
  border: 1px solid rgba(129, 140, 248, 0.45);
  background: rgba(129, 140, 248, 0.08);
}
.cot-step .cs-t { font-size: 14px; color: var(--ink); line-height: 1.7; font-family: var(--font-mono); }
.cot-answer {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px solid rgba(52, 211, 153, 0.45);
  background: rgba(52, 211, 153, 0.06);
  color: var(--ink);
  font-size: 15px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s, transform 0.4s;
}
.cot-answer.in { opacity: 1; transform: none; }
.cot-answer .ca-badge {
  display: inline-block;
  margin-right: 10px;
  font-size: 12px;
  color: var(--green-hi);
  border: 1px solid rgba(52, 211, 153, 0.5);
  border-radius: 999px;
  padding: 3px 12px;
}

/* STEP 3 — 自己無矛盾 */
.sc-votes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 6px 0 18px;
  min-height: 34px;
}
.sc-votes .vote {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 5px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.sc-votes .vote.ok { color: var(--green-hi); border-color: rgba(52,211,153,0.5); background: rgba(52,211,153,0.08); }
.sc-votes .vote.no { color: var(--ink-3); background: rgba(255,255,255,0.02); }
.sc-tally { display: flex; flex-direction: column; gap: 8px; max-width: 560px; margin: 0 auto; }
.tal-row { display: grid; grid-template-columns: 92px 1fr 48px; align-items: center; gap: 10px; }
.tal-lab { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-2); text-align: right; }
.tal-lab.correct { color: var(--green-hi); }
.tal-track { height: 16px; background: rgba(255,255,255,0.04); border-radius: 5px; overflow: hidden; }
.tal-fill { display: block; height: 100%; border-radius: 5px; transition: width 0.35s; }
.tal-fill.c { background: linear-gradient(90deg, var(--green), var(--green-hi)); }
.tal-fill.w { background: rgba(148,163,184,0.4); }
.tal-c { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }
.tal-row.win .tal-lab { font-weight: 700; }
.tal-row.win .tal-track { box-shadow: 0 0 0 1px rgba(129,140,248,0.6); }
.sc-verdict .v-ok { color: var(--green-hi); }
.sc-verdict .v-no { color: var(--red-hi); }
.sc-canvas {
  width: 100%;
  max-width: 900px;
  height: auto;
  display: block;
  margin: 10px auto 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.01);
}

/* STEP 4 — 探索木 */
.tot { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.tot-root {
  padding: 12px 20px;
  border-radius: 12px;
  border: 1px solid rgba(129, 140, 248, 0.5);
  background: rgba(129, 140, 248, 0.07);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 10px;
}
.tot-branches { display: flex; flex-direction: column; gap: 12px; width: 100%; max-width: 560px; }
.tot-node { position: relative; opacity: 0.5; transition: opacity 0.3s; }
.tot-node .tn-conn {
  position: absolute;
  top: -12px; left: 50%;
  width: 1px; height: 12px;
  background: var(--border-strong);
}
.tot-node .tn-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
}
.tot-node .tn-body b { font-size: 14px; color: var(--ink); }
.tot-node .tn-calc { font-size: 12.5px; color: var(--ink-2); }
.tot-node .tn-verdict { font-size: 12.5px; color: var(--ink-3); font-family: var(--font-mono); }
.tot-node.checking { opacity: 1; }
.tot-node.checking .tn-body { border-color: rgba(129,140,248,0.6); box-shadow: 0 0 18px rgba(129,140,248,0.12); }
.tot-node.checking .tn-verdict { color: var(--indigo-hi); }
.tot-node.dead { opacity: 0.4; }
.tot-node.dead .tn-body { border-color: rgba(248,113,113,0.35); }
.tot-node.dead .tn-verdict { color: var(--red-hi); }
.tot-node.solved { opacity: 1; }
.tot-node.solved .tn-body {
  border-color: rgba(52,211,153,0.6);
  background: rgba(52,211,153,0.06);
  box-shadow: 0 0 22px rgba(52,211,153,0.14);
}
.tot-node.solved .tn-verdict { color: var(--green-hi); }
.tot-node.solved .tn-body b { color: var(--green-hi); }

/* STEP 5 — 推論プレイグラウンド */
.reason-stage { display: flex; flex-direction: column; gap: 16px; }
.reason-think {
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(129, 140, 248, 0.03);
}
.reason-think .rt-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  color: var(--ink-2);
  margin-bottom: 10px;
}
.reason-think .rt-meter { color: var(--indigo-hi); font-size: 12px; }
.reason-think .agent-log { background: transparent; border: none; padding: 0; min-height: 0; }
.chat-box.show .reason-tag,
.reason-tag {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
}
.reason-tag.good { color: var(--green-hi); border: 1px solid rgba(52,211,153,0.5); background: rgba(52,211,153,0.08); }
.reason-tag.bad { color: var(--red-hi); border: 1px solid rgba(248,113,113,0.5); background: rgba(248,113,113,0.08); }

/* ============================================================
   用語集 (terms.html)
   ============================================================ */
.page-terms .hero-kicker { color: var(--cyan-hi); text-shadow: 0 0 20px rgba(34, 211, 238, 0.5); }

.term-search {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 30px;
}
.term-search input {
  width: min(460px, 82vw);
  padding: 13px 18px;
  font-size: 15px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.term-search input::placeholder { color: var(--ink-3); }
.term-search input:focus {
  border-color: rgba(34, 211, 238, 0.6);
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.12);
}
.term-search .ts-count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-3);
}

.terms-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 26px 40px;
}
.term-group { margin-bottom: 44px; }
.tg-head {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.04em;
  padding-bottom: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.tg-head::before {
  content: "";
  width: 4px;
  height: 20px;
  border-radius: 2px;
  background: var(--acc, var(--cyan-hi));
  box-shadow: 0 0 12px var(--acc, var(--cyan-hi));
}
.tg-head .tg-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
  font-weight: 400;
  padding: 2px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.term-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.term {
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.25s, background 0.25s, transform 0.1s;
}
.term:hover { border-color: var(--border-strong); background: rgba(255, 255, 255, 0.04); }
.term h3 {
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.term h3 .en {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  font-weight: 400;
  letter-spacing: 0.02em;
}
.term p { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; margin-bottom: 12px; }
.term-link {
  font-size: 12px;
  color: var(--cyan-hi);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.term-link:hover { text-decoration: underline; }
.terms-empty { text-align: center; color: var(--ink-3); padding: 40px 0; }

/* ============================================================
   サンプリング/デコード編 (sampling.html)
   ============================================================ */
:root { --fuchsia-hi: #e879f9; }

.page-sampling .step-num { color: var(--fuchsia-hi); }
.page-sampling .step-num::before { background: linear-gradient(90deg, transparent, var(--fuchsia-hi)); }
.page-sampling .hero-kicker { color: var(--fuchsia-hi); text-shadow: 0 0 20px rgba(232, 121, 249, 0.5); }
.page-sampling .rail a.on { background: var(--fuchsia-hi); box-shadow: 0 0 12px rgba(232, 121, 249, 0.85); }

/* 分布バー(STEP 1・3) */
.page-sampling .prob-row .fill { background: linear-gradient(90deg, var(--violet), var(--fuchsia-hi)); }
.prob-row.picked .track { box-shadow: 0 0 0 1px var(--fuchsia-hi), 0 0 16px rgba(232, 121, 249, 0.4); }
.prob-row.picked .lab { color: var(--fuchsia-hi); font-weight: 600; }
.prob-row.flash .track { box-shadow: 0 0 0 1px rgba(232, 121, 249, 0.7); }
.prob-row.cut { opacity: 0.34; }
.page-sampling .prob-row.cut .fill { background: rgba(148, 163, 184, 0.28); }
.prob-row.cut .pct { color: var(--ink-3); }

/* STEP 2 — 貪欲 vs サンプリング */
.gen-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 8px; }
@media (max-width: 720px) { .gen-duo { grid-template-columns: 1fr; } }
.gc-head { font-size: 13px; color: var(--ink); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.gc-tag { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px; }
.story-out {
  min-height: 128px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  line-height: 2.1;
  font-size: 15px;
}
.story-out .tok-dim { color: var(--ink-3); }
.story-out .tok { color: var(--ink); }
.story-out .tok.in { opacity: 0; }
.story-out .tok.show { opacity: 1; transition: opacity 0.3s; }
.gc-note { margin-top: 8px; font-size: 12px; color: var(--ink-3); min-height: 1.4em; }

/* STEP 4 — ビームサーチ */
.beam-tree { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.beam-step { border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; background: rgba(255, 255, 255, 0.015); }
.bs-head { font-family: var(--font-mono); font-size: 12px; color: var(--ink-2); margin-bottom: 10px; display: flex; justify-content: space-between; gap: 10px; }
.bs-head span { color: var(--ink-3); }
.beam-cand {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 7px 10px;
  border-radius: 8px;
  margin-bottom: 5px;
  border: 1px solid transparent;
}
.beam-cand .bc-seq { font-size: 14px; }
.beam-cand .bc-prob { font-family: var(--font-mono); font-size: 12px; color: var(--ink-2); }
.beam-cand .bc-mark { font-size: 11px; font-family: var(--font-mono); }
.beam-cand.kept { background: rgba(232, 121, 249, 0.08); border-color: rgba(232, 121, 249, 0.35); }
.beam-cand.kept .bc-seq { color: var(--ink); }
.beam-cand.kept .bc-mark { color: var(--fuchsia-hi); }
.beam-cand.pruned { opacity: 0.45; }
.beam-cand.pruned .bc-mark { color: var(--ink-3); }
.beam-result { opacity: 0; transition: opacity 0.4s; margin-top: 16px; }
.beam-result.show {
  opacity: 1;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(232, 121, 249, 0.4);
  background: rgba(232, 121, 249, 0.06);
}
.beam-result .br-p { font-family: var(--font-mono); font-size: 12px; color: var(--fuchsia-hi); margin-left: 10px; }
.beam-result .br-note { margin-top: 8px; font-size: 13px; color: var(--ink-2); line-height: 1.7; }

/* STEP 5 — プレイグラウンド */
.preset-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.preset-card {
  text-align: left;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.preset-card:hover { border-color: var(--border-strong); background: rgba(255, 255, 255, 0.04); }
.preset-card.on { border-color: rgba(232, 121, 249, 0.5); background: rgba(232, 121, 249, 0.06); }
.preset-card .pc-icon { font-size: 22px; }
.preset-card b { color: var(--ink); font-size: 15px; }
.preset-card .pc-ex { color: var(--ink-3); font-size: 12px; }
.preset-card .pc-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fuchsia-hi);
  border: 1px solid rgba(232, 121, 249, 0.35);
  border-radius: 999px;
  padding: 2px 9px;
  margin: 5px 0;
}
.preset-card small { color: var(--ink-2); font-size: 12px; line-height: 1.65; }
.play-note { font-size: 12.5px; color: var(--ink-3); line-height: 1.7; margin: -2px 0 16px; }
.play-note b { color: var(--ink-2); font-weight: 600; }

/* ============================================================
   プロンプト術編 (prompt.html)
   ============================================================ */
:root { --blue-hi: #60a5fa; }

.page-prompt .step-num { color: var(--blue-hi); }
.page-prompt .step-num::before { background: linear-gradient(90deg, transparent, var(--blue-hi)); }
.page-prompt .hero-kicker { color: var(--blue-hi); text-shadow: 0 0 20px rgba(96, 165, 250, 0.5); }
.page-prompt .rail a.on { background: var(--blue-hi); box-shadow: 0 0 12px rgba(96, 165, 250, 0.85); }
.page-prompt .ctx-block.sys-swap { border-color: rgba(96, 165, 250, 0.45); background: rgba(96, 165, 250, 0.05); }
.page-prompt .ctx-block.sys-swap .ctx-tag { color: var(--blue-hi); }

/* Few-shot の例ブロック */
.ctx-block.shot { border-color: rgba(96, 165, 250, 0.3); background: rgba(96, 165, 250, 0.04); }
.ctx-block.shot .ctx-tag { color: var(--blue-hi); }
.ctx-block.shot b { color: var(--blue-hi); }

.mono-out { font-family: var(--font-mono); font-size: 13px; white-space: pre-wrap; }
.s5-cap { display: inline-block; margin-top: 6px; font-size: 11.5px; color: var(--ink-3); }

/* 技チップ */
.tech-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 18px; }
.tech-chip {
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.02);
  color: var(--ink-2);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.tech-chip::before { content: "＋ "; color: var(--ink-3); }
.tech-chip:hover { border-color: rgba(96, 165, 250, 0.5); color: var(--ink); }
.tech-chip.on { border-color: var(--blue-hi); background: rgba(96, 165, 250, 0.12); color: var(--blue-hi); font-weight: 600; }
.tech-chip.on::before { content: "✓ "; color: var(--blue-hi); }

/* 品質メーター */
.qual-meter { display: flex; align-items: center; gap: 14px; margin: 16px 0 4px; flex-wrap: wrap; }
.qual-meter .qm-lab { font-size: 12.5px; color: var(--ink-2); }
.qual-meter .qm-lab b { font-family: var(--font-mono); font-size: 14px; }
.qm-low { color: var(--red-hi); }
.qm-mid { color: var(--amber-hi); }
.qm-high { color: var(--green-hi); }
.qm-track { flex: 1; min-width: 160px; height: 14px; background: rgba(255, 255, 255, 0.05); border-radius: 6px; overflow: hidden; }
.qm-fill { display: block; height: 100%; border-radius: 6px; transition: width 0.4s; }
.qm-fill.qm-low { background: linear-gradient(90deg, #b45309, var(--red-hi)); }
.qm-fill.qm-mid { background: linear-gradient(90deg, var(--amber), var(--amber-hi)); }
.qm-fill.qm-high { background: linear-gradient(90deg, var(--green), var(--green-hi)); }

/* ============================================================
   評価編 (eval.html)
   ============================================================ */
:root { --rose-hi: #f43f5e; }

.page-eval .step-num { color: var(--rose-hi); }
.page-eval .step-num::before { background: linear-gradient(90deg, transparent, var(--rose-hi)); }
.page-eval .hero-kicker { color: var(--rose-hi); text-shadow: 0 0 20px rgba(244, 63, 94, 0.5); }
.page-eval .rail a.on { background: var(--rose-hi); box-shadow: 0 0 12px rgba(244, 63, 94, 0.85); }

/* STEP 1 */
.e1-q { text-align: center; font-size: 16px; color: var(--ink); margin: 12px 0 18px; }
.e1-q .q-label { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); border: 1px solid var(--border); border-radius: 999px; padding: 2px 10px; margin-right: 10px; }
.ans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.ans-card { padding: 18px 16px; border: 1px solid var(--border); border-radius: 12px; background: rgba(255, 255, 255, 0.02); text-align: center; font-size: 15px; color: var(--ink); }
.ans-card .ac-mark { display: block; margin-top: 10px; font-size: 11px; color: var(--ink-3); font-family: var(--font-mono); }
.ans-card.correct { border-color: rgba(52, 211, 153, 0.5); background: rgba(52, 211, 153, 0.05); }
.ans-card.correct .ac-mark { color: var(--green-hi); }
.ans-card.valid { border-color: rgba(244, 63, 94, 0.35); }
.ans-card.valid .ac-mark { color: var(--rose-hi); }

/* STEP 2 */
.ref-line, .cand-line { font-size: 13px; color: var(--ink-3); margin: 4px 0; }
.w { display: inline-block; font-size: 14px; padding: 4px 9px; margin: 2px; border-radius: 6px; background: rgba(255, 255, 255, 0.04); color: var(--ink-2); }
.w.hit { background: rgba(244, 63, 94, 0.16); color: var(--rose-hi); border: 1px solid rgba(244, 63, 94, 0.4); }
.w.miss { opacity: 0.55; }
.metric-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 18px 0 6px; }
.mcard { padding: 14px; border: 1px solid var(--border); border-radius: 12px; text-align: center; background: rgba(255, 255, 255, 0.02); }
.mcard small { display: block; color: var(--ink-3); font-size: 11px; margin-bottom: 6px; }
.mcard b { font-size: 26px; color: var(--ink); font-family: var(--font-mono); }
.mcard b span { font-size: 14px; color: var(--ink-3); }
.mcard.qual b { font-size: 14.5px; font-family: var(--font-sans); }
.mcard.qc-good { border-color: rgba(52, 211, 153, 0.4); } .mcard.qc-good b { color: var(--green-hi); }
.mcard.qc-bad { border-color: rgba(244, 63, 94, 0.4); } .mcard.qc-bad b { color: var(--rose-hi); }
.mcard.qc-exact b { color: var(--ink-2); }

/* STEP 3 */
.bench-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.bq { border: 1px solid var(--border); border-radius: 12px; padding: 14px; background: rgba(255, 255, 255, 0.02); }
.bq-q { font-size: 13.5px; color: var(--ink); margin-bottom: 10px; }
.bq-opts { display: flex; flex-wrap: wrap; gap: 6px; }
.opt { font-size: 12px; padding: 5px 10px; border-radius: 6px; border: 1px solid var(--border); color: var(--ink-3); }
.opt.picked.ok { border-color: rgba(52, 211, 153, 0.5); background: rgba(52, 211, 153, 0.1); color: var(--green-hi); font-weight: 600; }
.opt.picked.ng { border-color: rgba(244, 63, 94, 0.5); background: rgba(244, 63, 94, 0.1); color: var(--rose-hi); text-decoration: line-through; }
.opt.answer { border-color: rgba(52, 211, 153, 0.4); color: var(--green-hi); }
.bench-score { text-align: center; margin: 16px 0 6px; font-size: 15px; color: var(--ink-2); }
.bench-score b { font-family: var(--font-mono); font-size: 22px; color: var(--ink); margin-left: 6px; }
.bench-score b.perfect { color: var(--rose-hi); }

/* STEP 4 */
.judge-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 720px) { .judge-duo { grid-template-columns: 1fr; } }
.jcard { border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; background: rgba(255, 255, 255, 0.02); font-size: 13.5px; color: var(--ink-2); line-height: 1.8; transition: border-color 0.25s, box-shadow 0.25s; }
.jcard .jc-head { color: var(--ink); font-size: 14px; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.jc-tag { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px; }
.jcard.win { border-color: rgba(244, 63, 94, 0.6); background: rgba(244, 63, 94, 0.06); box-shadow: 0 0 20px rgba(244, 63, 94, 0.1); }
.jcard.win .jc-head { color: var(--rose-hi); }
.judge-verdict { opacity: 0; transition: opacity 0.3s; margin-top: 16px; font-size: 14px; }
.judge-verdict.show { opacity: 1; padding: 12px 16px; border-radius: 10px; }
.judge-verdict.good { border: 1px solid rgba(52, 211, 153, 0.45); background: rgba(52, 211, 153, 0.06); }
.judge-verdict.bad { border: 1px solid rgba(244, 63, 94, 0.45); background: rgba(244, 63, 94, 0.06); }
.judge-verdict b { color: var(--ink); }

/* STEP 5 — Elo */
.elo-board { display: flex; flex-direction: column; gap: 8px; margin-top: 6px; }
.elo-row { display: grid; grid-template-columns: 28px 92px 1fr 56px; align-items: center; gap: 12px; }
.elo-rank { font-family: var(--font-mono); font-size: 13px; color: var(--ink-3); text-align: center; }
.elo-name { font-size: 13.5px; color: var(--ink); }
.elo-track { height: 16px; background: rgba(255, 255, 255, 0.05); border-radius: 6px; overflow: hidden; }
.elo-fill { display: block; height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--violet), var(--rose-hi)); transition: width 0.25s; }
.elo-val { font-size: 13px; color: var(--ink-2); text-align: right; }
.arena-count { font-size: 13px; color: var(--rose-hi); }

/* 評価の階層 */
.eval-stack { display: flex; flex-direction: column; gap: 10px; }
.es-row { display: flex; align-items: center; gap: 14px; border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; background: rgba(255, 255, 255, 0.02); }
.es-icon { font-size: 20px; }
.es-body { flex: 1; }
.es-body b { display: block; font-size: 14px; color: var(--ink); }
.es-body small { color: var(--ink-3); font-size: 11.5px; }
.es-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; font-size: 11.5px; color: var(--ink-3); white-space: nowrap; }
.es-trust b { color: var(--rose-hi); }
@media (max-width: 600px) { .es-meta { display: none; } }

/* ============================================================
   投機的デコード編 (speculative.html)
   ============================================================ */
:root { --flame-hi: #f97316; }

.page-spec .step-num { color: var(--flame-hi); }
.page-spec .step-num::before { background: linear-gradient(90deg, transparent, var(--flame-hi)); }
.page-spec .hero-kicker { color: var(--flame-hi); text-shadow: 0 0 20px rgba(249, 115, 22, 0.5); }
.page-spec .rail a.on { background: var(--flame-hi); box-shadow: 0 0 12px rgba(249, 115, 22, 0.85); }

/* STEP 1 */
.spec-line { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; min-height: 60px; margin: 10px 0; }
.spec-line .tk { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; background: rgba(255, 255, 255, 0.02); font-size: 14px; color: var(--ink); opacity: 0; transform: translateY(6px); transition: opacity 0.3s, transform 0.3s; }
.spec-line .tk.in { opacity: 1; transform: none; }
.spec-line .tk em { font-style: normal; font-family: var(--font-mono); font-size: 10px; color: var(--flame-hi); }
.pass-counter { text-align: center; font-size: 14px; color: var(--ink-2); margin-top: 6px; min-height: 1.6em; }
.pass-counter b { font-family: var(--font-mono); color: var(--flame-hi); font-size: 18px; }
.c-warn { display: block; font-size: 12px; color: var(--ink-3); margin-top: 4px; }

/* STEP 2 */
.model-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .model-duo { grid-template-columns: 1fr; } }
.model-card { padding: 18px; border: 1px solid var(--border); border-radius: 14px; background: rgba(255, 255, 255, 0.02); }
.model-card.draft { border-color: rgba(74, 222, 128, 0.35); }
.model-card.target { border-color: rgba(249, 115, 22, 0.35); }
.mc-head { font-size: 15px; color: var(--ink); display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.mc-tag { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px; }
.mc-desc { font-size: 13px; color: var(--ink-2); line-height: 1.7; margin-bottom: 12px; }
.mc-bar { height: 10px; background: rgba(255, 255, 255, 0.05); border-radius: 5px; overflow: hidden; margin-bottom: 6px; }
.mc-bar span { display: block; height: 100%; border-radius: 5px; }
.model-card.draft .mc-bar span { background: linear-gradient(90deg, #16a34a, #4ade80); }
.model-card.target .mc-bar span { background: linear-gradient(90deg, #b45309, var(--flame-hi)); }
.mc-cost { font-size: 11px; color: var(--ink-3); font-family: var(--font-mono); }

/* STEP 3 */
.verify-stage { min-height: 74px; margin: 6px 0 14px; }
.vs-hint { color: var(--ink-3); font-size: 13px; }
.vs-round { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.vs-lab { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); }
.vs-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.vs-chip { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 7px 12px; border-radius: 8px; font-size: 14px; border: 1px solid var(--border); }
.vs-chip em { font-style: normal; font-family: var(--font-mono); font-size: 9.5px; }
.vs-chip.acc { border-color: rgba(74, 222, 128, 0.5); background: rgba(74, 222, 128, 0.1); color: #4ade80; }
.vs-chip.acc em { color: #4ade80; }
.vs-chip.rej { border-color: rgba(244, 63, 94, 0.5); background: rgba(244, 63, 94, 0.1); color: var(--rose-hi); text-decoration: line-through; }
.vs-chip.rej em { color: var(--rose-hi); text-decoration: none; }
.vs-chip.disc { opacity: 0.4; color: var(--ink-3); }
.vs-chip.corr { border-color: rgba(249, 115, 22, 0.6); background: rgba(249, 115, 22, 0.12); color: var(--flame-hi); }
.vs-chip.corr em { color: var(--flame-hi); }
.spec-out { min-height: 44px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px; background: rgba(255, 255, 255, 0.02); line-height: 2; }
.tk-out { color: var(--ink); font-size: 15px; margin-right: 2px; }
.round-info { font-size: 13px; color: var(--ink-2); }
.round-info b { color: var(--flame-hi); font-family: var(--font-mono); }

/* STEP 4/5 — speed cards + chart */
.speed-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 16px 0; }
.scard { padding: 14px; border: 1px solid var(--border); border-radius: 12px; text-align: center; background: rgba(255, 255, 255, 0.02); }
.scard small { display: block; color: var(--ink-3); font-size: 11px; margin-bottom: 6px; }
.scard b { font-size: 26px; color: var(--ink); font-family: var(--font-mono); }
.scard b span { font-size: 13px; color: var(--ink-3); }
.scard.hot { border-color: rgba(249, 115, 22, 0.5); background: rgba(249, 115, 22, 0.06); }
.scard.hot b { color: var(--flame-hi); }
.spec-canvas { width: 100%; max-width: 900px; height: auto; display: block; margin: 6px auto 0; border: 1px solid var(--border); border-radius: 10px; background: rgba(255, 255, 255, 0.01); }
.variant-list { display: flex; flex-direction: column; gap: 8px; }
.var-row { display: flex; gap: 14px; align-items: baseline; padding: 10px 14px; border: 1px solid var(--border); border-radius: 10px; background: rgba(255, 255, 255, 0.02); }
.var-row b { color: var(--ink); font-size: 13.5px; min-width: 210px; }
.var-row span { color: var(--ink-2); font-size: 12.5px; line-height: 1.6; }
@media (max-width: 600px) { .var-row { flex-direction: column; gap: 4px; } .var-row b { min-width: 0; } }

/* ============================================================
   MoE(専門家混合)編 (moe.html)
   ============================================================ */
:root { --orchid-hi: #c084fc; }

.page-moe .step-num { color: var(--orchid-hi); }
.page-moe .step-num::before { background: linear-gradient(90deg, transparent, var(--orchid-hi)); }
.page-moe .hero-kicker { color: var(--orchid-hi); text-shadow: 0 0 20px rgba(192, 132, 252, 0.5); }
.page-moe .rail a.on { background: var(--orchid-hi); box-shadow: 0 0 12px rgba(192, 132, 252, 0.85); }

/* STEP 1 — dense block */
.dense-block { display: grid; grid-template-columns: repeat(16, 1fr); gap: 5px; max-width: 520px; margin: 16px auto; }
.dcell { aspect-ratio: 1; border-radius: 3px; background: rgba(255, 255, 255, 0.04); }
.dcell.on { background: rgba(192, 132, 252, 0.7); box-shadow: 0 0 6px rgba(192, 132, 252, 0.35); }

/* STEP 2/3 — experts */
.expert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 10px 0; }
.ecard { position: relative; padding: 14px; border: 1px solid var(--border); border-radius: 12px; background: rgba(255, 255, 255, 0.02); text-align: center; transition: border-color 0.25s, opacity 0.25s, box-shadow 0.25s, background 0.25s; }
.ecard .ec-dot { display: block; width: 10px; height: 10px; border-radius: 50%; margin: 0 auto 8px; background: var(--ink-3); }
.ecard b { display: block; font-size: 13.5px; color: var(--ink); }
.ecard small { color: var(--ink-3); font-size: 11.5px; }
.ecard.lit { border-color: rgba(192, 132, 252, 0.6); background: rgba(192, 132, 252, 0.08); box-shadow: 0 0 20px rgba(192, 132, 252, 0.14); }
.ecard.lit .ec-dot { background: var(--orchid-hi); box-shadow: 0 0 10px var(--orchid-hi); }
.ecard.lit b { color: var(--orchid-hi); }
.ecard.dark { opacity: 0.4; }
.ec-gate { position: absolute; top: 8px; right: 10px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); }
.ecard.lit .ec-gate { color: var(--orchid-hi); font-weight: 600; }
.token-strip { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 16px; }
.tok-btn { font-family: var(--font-mono); font-size: 15px; padding: 8px 16px; border-radius: 10px; border: 1px solid var(--border-strong); background: rgba(255, 255, 255, 0.02); color: var(--ink-2); transition: border-color 0.2s, background 0.2s, color 0.2s; }
.tok-btn:hover { border-color: rgba(192, 132, 252, 0.5); color: var(--ink); }
.tok-btn.on { border-color: var(--orchid-hi); background: rgba(192, 132, 252, 0.12); color: var(--orchid-hi); font-weight: 600; }

/* STEP 4 — param bars */
.param-bars { display: flex; flex-direction: column; gap: 12px; margin: 8px 0 4px; }
.pbar-row { display: grid; grid-template-columns: 132px 1fr 124px; align-items: center; gap: 12px; }
.pb-lab { font-size: 12.5px; color: var(--ink-2); }
.pb-track { height: 20px; background: rgba(255, 255, 255, 0.05); border-radius: 6px; overflow: hidden; }
.pb-fill { display: block; height: 100%; border-radius: 6px; transition: width 0.3s; }
.pb-fill.total { background: linear-gradient(90deg, rgba(192, 132, 252, 0.4), var(--orchid-hi)); }
.pb-fill.active { background: linear-gradient(90deg, #16a34a, #4ade80); }
.pb-val { font-family: var(--font-mono); font-size: 12px; color: var(--ink-2); text-align: right; }

/* STEP 5 — load bars */
.load-bars { display: flex; flex-direction: column; gap: 7px; }
.load-row { display: grid; grid-template-columns: 84px 1fr 44px; align-items: center; gap: 12px; }
.ld-name { font-size: 12.5px; color: var(--ink-2); }
.ld-track { height: 16px; background: rgba(255, 255, 255, 0.05); border-radius: 5px; overflow: hidden; }
.ld-fill { display: block; height: 100%; border-radius: 5px; background: linear-gradient(90deg, var(--violet), var(--orchid-hi)); transition: width 0.3s; }
.ld-val { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); text-align: right; }
.load-row.over .ld-fill { background: linear-gradient(90deg, #b45309, var(--rose-hi)); }
.load-row.over .ld-name { color: var(--rose-hi); }
.load-row.idle { opacity: 0.5; }

/* ============================================================
   プライバシー・訓練データ編 (privacy.html)
   ============================================================ */
:root { --slate-hi: #94a3b8; }

.page-privacy .step-num { color: var(--slate-hi); }
.page-privacy .step-num::before { background: linear-gradient(90deg, transparent, var(--slate-hi)); }
.page-privacy .hero-kicker { color: var(--slate-hi); text-shadow: 0 0 20px rgba(148, 163, 184, 0.5); }
.page-privacy .rail a.on { background: var(--slate-hi); box-shadow: 0 0 12px rgba(148, 163, 184, 0.85); }

/* STEP 2 — dup gauge */
.dup-gauge { display: flex; align-items: center; gap: 14px; max-width: 640px; margin: 8px auto; flex-wrap: wrap; }
.dg-lab { font-size: 13px; color: var(--ink-2); min-width: 120px; }
.dg-track { flex: 1; min-width: 180px; height: 20px; background: rgba(255, 255, 255, 0.05); border-radius: 6px; overflow: hidden; }
.dg-fill { display: block; height: 100%; border-radius: 6px; transition: width 0.25s, background 0.25s; }
.dg-fill.lo { background: linear-gradient(90deg, #16a34a, #4ade80); }
.dg-fill.mid { background: linear-gradient(90deg, var(--amber), var(--amber-hi)); }
.dg-fill.hi { background: linear-gradient(90deg, #b45309, var(--rose-hi)); }
.dg-val { font-family: var(--font-mono); font-size: 15px; color: var(--ink); min-width: 48px; text-align: right; }

/* STEP 3 — membership inference loss plot */
.train-set { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center; margin-bottom: 8px; }
.ts-lab { font-size: 12px; color: var(--ink-3); width: 100%; text-align: center; margin-bottom: 4px; }
.ts-item { font-size: 13px; padding: 5px 12px; border-radius: 8px; border: 1px solid rgba(148, 163, 184, 0.3); background: rgba(148, 163, 184, 0.06); color: var(--ink-2); }
.loss-plot { display: flex; gap: 10px; justify-content: center; align-items: flex-end; height: 180px; margin: 18px 0 8px; }
.lp-col { display: flex; flex-direction: column; align-items: center; gap: 6px; flex: 1; max-width: 110px; height: 100%; justify-content: flex-end; }
.lp-bar-wrap { flex: 1; width: 100%; display: flex; align-items: flex-end; }
.lp-bar { width: 100%; border-radius: 5px 5px 0 0; min-height: 3px; transition: height 0.3s; }
.lp-bar.seen { background: linear-gradient(180deg, var(--slate-hi), rgba(148, 163, 184, 0.45)); }
.lp-bar.unseen { background: linear-gradient(180deg, var(--rose-hi), rgba(244, 63, 94, 0.45)); }
.lp-w { font-size: 13px; color: var(--ink); }
.lp-v { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); }
.loss-verdict { opacity: 0; transition: opacity 0.3s; margin-top: 8px; font-size: 14px; }
.loss-verdict.show { opacity: 1; padding: 12px 16px; border-radius: 10px; }
.loss-verdict.member { border: 1px solid rgba(244, 63, 94, 0.4); background: rgba(244, 63, 94, 0.06); }
.loss-verdict.nonmember { border: 1px solid rgba(148, 163, 184, 0.4); background: rgba(148, 163, 184, 0.06); }
.loss-verdict b { color: var(--ink); }

/* STEP 4 — leaked output */
.chat-box .a.leaked { font-family: var(--font-mono); letter-spacing: 0.02em; }

/* STEP 5 — risk meter + chips */
.risk-meter { display: flex; align-items: center; gap: 14px; margin: 16px 0 6px; flex-wrap: wrap; }
.rm-lab { font-size: 13px; color: var(--ink-2); }
.rm-lab b { font-family: var(--font-mono); font-size: 16px; }
.rm-hi { color: var(--rose-hi); } .rm-mid { color: var(--amber-hi); } .rm-lo { color: #4ade80; }
.rm-track { flex: 1; min-width: 180px; height: 18px; background: rgba(255, 255, 255, 0.05); border-radius: 6px; overflow: hidden; }
.rm-fill { display: block; height: 100%; border-radius: 6px; transition: width 0.3s, background 0.3s; }
.rm-fill.rm-hi { background: linear-gradient(90deg, #b45309, var(--rose-hi)); }
.rm-fill.rm-mid { background: linear-gradient(90deg, var(--amber), var(--amber-hi)); }
.rm-fill.rm-lo { background: linear-gradient(90deg, #16a34a, #4ade80); }
.page-privacy .tech-chip.on { border-color: var(--slate-hi); background: rgba(148, 163, 184, 0.14); color: var(--ink); }
.page-privacy .tech-chip.on::before { content: "✓ "; color: var(--slate-hi); }

/* ============================================================
   音声認識編 (asr.html)
   ============================================================ */
:root { --aqua-hi: #5eead4; }

.page-asr .step-num { color: var(--aqua-hi); }
.page-asr .step-num::before { background: linear-gradient(90deg, transparent, var(--aqua-hi)); }
.page-asr .hero-kicker { color: var(--aqua-hi); text-shadow: 0 0 20px rgba(94, 234, 212, 0.5); }
.page-asr .rail a.on { background: var(--aqua-hi); box-shadow: 0 0 12px rgba(94, 234, 212, 0.85); }
.page-asr .btn { border-color: rgba(94, 234, 212, 0.4); }
.page-asr .btn:hover { border-color: var(--aqua-hi); box-shadow: 0 0 14px rgba(94, 234, 212, 0.35); }
.page-asr .prompt-pick button.on { border-color: var(--aqua-hi); background: rgba(94, 234, 212, 0.14); color: var(--ink); }
.page-asr .grad-text { background: linear-gradient(90deg, var(--aqua-hi), #22d3ee); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* STEP 3 — 生フレーム系列チップ */
.emit-stage { overflow-x: auto; padding-bottom: 4px; }
.emit-stage canvas { max-width: none; }
.raw-seq { display: flex; flex-wrap: wrap; gap: 3px; margin-top: 14px; justify-content: center; }
.rs-chip { font-size: 14px; min-width: 20px; text-align: center; padding: 3px 6px; border-radius: 5px; background: rgba(94, 234, 212, 0.14); border: 1px solid rgba(94, 234, 212, 0.3); color: var(--ink); }
.rs-chip.blank { background: rgba(255, 255, 255, 0.03); border-color: rgba(148, 163, 184, 0.22); color: var(--ink-3); }

/* STEP 4 — CTC collapse */
.ctc-stage { display: flex; flex-direction: column; gap: 14px; align-items: center; margin-top: 6px; }
.ctc-line { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; min-height: 34px; }
.ctc-chip { font-size: 16px; min-width: 26px; text-align: center; padding: 4px 8px; border-radius: 6px; background: rgba(94, 234, 212, 0.12); border: 1px solid rgba(94, 234, 212, 0.28); color: var(--ink); transition: transform 0.2s; }
.ctc-chip.blank { background: rgba(255, 255, 255, 0.03); border-color: rgba(148, 163, 184, 0.22); color: var(--ink-3); }
.ctc-chip.big { font-size: 22px; padding: 8px 12px; background: rgba(94, 234, 212, 0.2); border-color: var(--aqua-hi); box-shadow: 0 0 14px rgba(94, 234, 212, 0.3); }
.ctc-out { min-height: 40px; }
.ctc-rule { font-size: 14px; color: var(--ink-2); text-align: center; }
.ctc-hint b { color: var(--aqua-hi); }
.ctc-hint.done { color: var(--ink); }
.ctc-sub { display: block; font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); margin-top: 4px; }

/* STEP 5 — homophone rescoring */
.lm-input { text-align: center; color: var(--ink-2); font-size: 14px; margin: 4px 0 2px; }
.lm-input b { font-family: var(--font-mono); color: var(--ink); letter-spacing: 0.04em; }
.lm-decode { display: flex; flex-wrap: wrap; gap: 5px; justify-content: center; align-items: baseline; margin: 18px 0 10px; font-size: 24px; }
.lm-tok { padding: 4px 8px; border-radius: 7px; transition: all 0.2s; }
.lm-tok.fix { color: var(--ink-3); font-size: 20px; }
.lm-tok.cand { color: var(--ink); background: rgba(94, 234, 212, 0.16); border: 1px solid rgba(94, 234, 212, 0.4); box-shadow: 0 0 12px rgba(94, 234, 212, 0.2); }

/* ============================================================
   ファインチューニング・LoRA編 (lora.html)
   ============================================================ */
:root { --jade-hi: #10b981; }

.page-lora .step-num { color: var(--jade-hi); }
.page-lora .step-num::before { background: linear-gradient(90deg, transparent, var(--jade-hi)); }
.page-lora .hero-kicker { color: var(--jade-hi); text-shadow: 0 0 20px rgba(16, 185, 129, 0.5); }
.page-lora .rail a.on { background: var(--jade-hi); box-shadow: 0 0 12px rgba(16, 185, 129, 0.85); }
.page-lora .btn { border-color: rgba(16, 185, 129, 0.4); }
.page-lora .btn:hover { border-color: var(--jade-hi); box-shadow: 0 0 14px rgba(16, 185, 129, 0.35); }
.page-lora .seg button.on { border-color: var(--jade-hi); background: rgba(16, 185, 129, 0.14); color: var(--ink); }
.page-lora .grad-text { background: linear-gradient(90deg, var(--jade-hi), #34d399); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.ok-tag { color: var(--jade-hi); font-family: var(--font-mono); font-size: 12px; }
.loss-readout .hl { color: var(--jade-hi); font-size: 17px; }

/* STEP 1 — full fine-tune grid */
.ft-grid { display: grid; grid-template-columns: repeat(var(--cols, 24), 1fr); gap: 3px; max-width: 620px; margin: 10px auto; }
.ft-cell { aspect-ratio: 1; border-radius: 2px; background: rgba(16, 185, 129, 0.75); box-shadow: 0 0 5px rgba(16, 185, 129, 0.4); animation: ft-pulse 2.4s ease-in-out infinite; }
@keyframes ft-pulse { 0%, 100% { opacity: 0.85; } 50% { opacity: 0.35; } }

/* STEP 2 — low-rank matrices */
.mat-row { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; margin: 8px 0; }
.mat-fig { margin: 0; text-align: center; }
.mat-fig figcaption { font-size: 12px; color: var(--ink-3); margin-bottom: 6px; }
.mat-canvas { border-radius: 6px; image-rendering: pixelated; max-width: 100%; }
.mat-op { font-size: 26px; color: var(--ink-3); align-self: center; margin-top: 18px; }

/* STEP 3 — adapter diagram */
.adapter-diagram { display: flex; align-items: center; justify-content: center; gap: 22px; flex-wrap: wrap; margin: 20px 0 10px; min-height: 180px; }
.ad-unit { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.ad-plus { font-size: 30px; color: var(--ink-3); }
.ad-mat { position: relative; border-radius: 4px; }
.ad-mat.frozen { background: repeating-linear-gradient(45deg, rgba(129, 140, 248, 0.14), rgba(129, 140, 248, 0.14) 6px, rgba(129, 140, 248, 0.06) 6px, rgba(129, 140, 248, 0.06) 12px); border: 1px solid rgba(129, 140, 248, 0.5); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.ad-lab { font-size: 20px; }
.ad-dim { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); }
.ad-pair { position: relative; display: flex; align-items: flex-start; gap: 6px; }
.ad-mat.trainable { background: linear-gradient(135deg, var(--jade-hi), rgba(16, 185, 129, 0.5)); box-shadow: 0 0 12px rgba(16, 185, 129, 0.4); border-radius: 3px; }
.ad-cap { font-size: 12px; color: var(--ink-2); }

/* STEP 5 — adapter swap */
.sw-input { text-align: center; color: var(--ink-2); font-size: 14px; margin: 12px 0 4px; }
.sw-input b { color: var(--ink); }
.sw-stage { max-width: 660px; margin: 10px auto; }
.sw-chip-row { display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.sw-base { font-size: 13px; padding: 6px 14px; border-radius: 8px; border: 1px dashed rgba(129, 140, 248, 0.5); color: var(--ink-2); background: rgba(129, 140, 248, 0.06); }
.sw-plus { color: var(--ink-3); }
.sw-adapter { font-size: 13px; padding: 6px 14px; border-radius: 8px; border: 1px solid rgba(16, 185, 129, 0.5); color: var(--ink); background: rgba(16, 185, 129, 0.14); box-shadow: 0 0 12px rgba(16, 185, 129, 0.22); font-family: var(--font-mono); }
.sw-adapter.none { border-style: dashed; border-color: rgba(148, 163, 184, 0.3); color: var(--ink-3); background: rgba(255, 255, 255, 0.02); box-shadow: none; }
.sw-out { display: flex; gap: 12px; align-items: flex-start; padding: 16px; border-radius: 12px; background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(148, 163, 184, 0.15); }
.sw-out-lab { font-family: var(--font-mono); font-size: 11px; color: var(--jade-hi); border: 1px solid rgba(16, 185, 129, 0.4); border-radius: 6px; padding: 3px 8px; flex-shrink: 0; }
.sw-out-text { font-size: 16px; color: var(--ink); line-height: 1.7; }
.sw-note { text-align: center; font-size: 12px; color: var(--ink-3); margin-top: 8px; }
.sw-footprint { max-width: 660px; margin: 20px auto 0; padding-top: 16px; border-top: 1px solid rgba(148, 163, 184, 0.12); }
.sw-foot-title { font-size: 13px; color: var(--ink-2); text-align: center; margin-bottom: 12px; }
.fp-row { display: flex; align-items: center; gap: 12px; margin: 8px 0; }
.fp-lab { font-size: 13px; color: var(--ink-2); width: 116px; flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-end; gap: 1px; }
.fp-lab small { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-3); }
.fp-bar { flex: 1; height: 20px; background: rgba(255, 255, 255, 0.04); border-radius: 6px; overflow: hidden; }
.fp-fill { display: block; height: 100%; border-radius: 6px; }
.fp-fill.full { background: linear-gradient(90deg, #b45309, var(--rose-hi)); }
.fp-fill.lora { background: linear-gradient(90deg, #059669, var(--jade-hi)); }
.fp-val { font-family: var(--font-mono); font-size: 14px; color: var(--ink); width: 72px; flex-shrink: 0; }
.sw-foot-note { font-size: 12px; color: var(--ink-3); text-align: center; margin-top: 10px; }

/* ============================================================
   ハルシネーション編 (hallucination.html)
   ============================================================ */
:root { --lemon-hi: #facc15; }

.page-halluc .step-num { color: var(--lemon-hi); }
.page-halluc .step-num::before { background: linear-gradient(90deg, transparent, var(--lemon-hi)); }
.page-halluc .hero-kicker { color: var(--lemon-hi); text-shadow: 0 0 20px rgba(250, 204, 21, 0.5); }
.page-halluc .rail a.on { background: var(--lemon-hi); box-shadow: 0 0 12px rgba(250, 204, 21, 0.85); }
.page-halluc .btn { border-color: rgba(250, 204, 21, 0.4); }
.page-halluc .btn:hover { border-color: var(--lemon-hi); box-shadow: 0 0 14px rgba(250, 204, 21, 0.35); }
.page-halluc .seg button.on { border-color: var(--lemon-hi); background: rgba(250, 204, 21, 0.14); color: var(--ink); }
.page-halluc .grad-text { background: linear-gradient(90deg, var(--lemon-hi), #fb923c); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.page-halluc .warn { color: #fb923c; font-weight: 700; }

/* 次トークン分布(STEP1/2共有) */
.tok-dist { max-width: 560px; margin: 14px auto; display: flex; flex-direction: column; gap: 6px; }
.td-row { display: flex; align-items: center; gap: 10px; padding: 4px 8px; border-radius: 8px; }
.td-row.top { background: rgba(250, 204, 21, 0.07); }
.td-row.correct .td-word { color: #4ade80; }
.td-row.correct::after { content: "✓"; color: #4ade80; font-size: 13px; }
.td-word { width: 130px; font-size: 15px; color: var(--ink); text-align: right; flex-shrink: 0; }
.td-bar { flex: 1; height: 16px; background: rgba(255, 255, 255, 0.04); border-radius: 5px; overflow: hidden; }
.td-fill { display: block; height: 100%; border-radius: 5px; background: linear-gradient(90deg, rgba(250, 204, 21, 0.5), var(--lemon-hi)); }
.td-row.top .td-fill { background: linear-gradient(90deg, #f59e0b, var(--lemon-hi)); box-shadow: 0 0 10px rgba(250, 204, 21, 0.4); }
.td-pct { width: 42px; font-family: var(--font-mono); font-size: 13px; color: var(--ink-2); text-align: right; flex-shrink: 0; }
.pm-prompt { text-align: center; color: var(--ink-2); font-size: 14px; margin: 4px 0; }
.pm-prompt b { font-family: var(--font-mono); color: var(--ink); }
.pick-hint { text-align: center; font-size: 12px; color: var(--ink-3); margin: 10px 0 2px; }
.pick-hint b { color: var(--lemon-hi); }

/* エントロピーメーター(STEP2) */
.en-meters { max-width: 560px; margin: 16px auto 6px; display: flex; flex-direction: column; gap: 10px; }
.en-meter { display: flex; align-items: center; gap: 12px; }
.em-lab { width: 150px; font-size: 13px; color: var(--ink-2); text-align: right; flex-shrink: 0; }
.em-track { flex: 1; height: 18px; background: rgba(255, 255, 255, 0.04); border-radius: 6px; overflow: hidden; }
.em-fill { display: block; height: 100%; border-radius: 6px; transition: width 0.3s; }
.em-fill.c-hi, .em-fill.e-lo { background: linear-gradient(90deg, #059669, #4ade80); }
.em-fill.c-mid, .em-fill.e-mid { background: linear-gradient(90deg, #d97706, var(--lemon-hi)); }
.em-fill.c-lo, .em-fill.e-hi { background: linear-gradient(90deg, #b45309, #fb923c); }
.em-val { width: 70px; font-family: var(--font-mono); font-size: 14px; color: var(--ink); flex-shrink: 0; }

/* 自己整合性(STEP4) */
.sc-samples { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; min-height: 40px; margin: 16px 0 8px; }
.sc-chip { font-size: 14px; padding: 6px 12px; border-radius: 8px; border: 1px solid rgba(250, 204, 21, 0.35); background: rgba(250, 204, 21, 0.08); color: var(--ink); animation: sc-pop 0.2s ease; }
@keyframes sc-pop { from { transform: scale(0.7); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* 対策スタック(STEP5) */
.def-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 6px 0 18px; }
.def-chip { font-size: 13px; padding: 8px 16px; border-radius: 999px; border: 1px solid rgba(148, 163, 184, 0.3); background: rgba(255, 255, 255, 0.02); color: var(--ink-2); cursor: pointer; transition: all 0.2s; }
.def-chip:hover { border-color: rgba(250, 204, 21, 0.5); }
.def-chip.on { border-color: var(--lemon-hi); background: rgba(250, 204, 21, 0.14); color: var(--ink); }
.def-chip.on::before { content: "✓ "; color: var(--lemon-hi); }
.hd-answer { max-width: 620px; margin: 18px auto 0; padding: 16px; border-radius: 12px; border: 1px solid rgba(148, 163, 184, 0.15); background: rgba(255, 255, 255, 0.02); }
.hd-answer.grounded { border-color: rgba(74, 222, 128, 0.4); background: rgba(74, 222, 128, 0.05); }
.hd-answer.free { border-color: rgba(251, 146, 60, 0.4); background: rgba(251, 146, 60, 0.05); }
.hd-q { display: block; font-size: 13px; color: var(--ink-3); margin-bottom: 8px; }
.hd-a { display: block; font-size: 16px; color: var(--ink); line-height: 1.6; }
.hd-src { display: block; font-size: 12px; color: #4ade80; margin-top: 6px; font-family: var(--font-mono); }
.hd-src.warn { color: #fb923c; }

/* ============================================================
   ランディング: カテゴリ分け + 難易度バッジ
   ============================================================ */
.cat-block { width: min(880px, 92vw); margin: 0 auto; }
.cat-block:last-of-type { padding-bottom: 120px; }
.cat-head {
  margin: 56px 0 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.cat-head h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.04em;
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.cat-head h2 .en {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.18em;
  font-weight: 400;
}
.cat-head p { margin-top: 8px; color: var(--ink-2); font-size: 14px; }
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}
.diff-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(10, 14, 26, 0.6);
  color: var(--ink-2);
}
.diff-badge.d-basic { color: var(--green-hi); border-color: rgba(52, 211, 153, 0.4); }
.diff-badge.d-inter { color: var(--cyan-hi); border-color: rgba(34, 211, 238, 0.4); }
.diff-badge.d-adv { color: var(--pink-hi); border-color: rgba(244, 114, 182, 0.4); }

/* ============================================================
   章末ページャー (chapter pager) — 全章共通
   ============================================================ */
.chapter-pager {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 26px 96px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: stretch;
}
.chapter-pager .pg {
  display: flex;
  flex-direction: column;
  gap: 5px;
  justify-content: center;
  padding: 16px 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  text-decoration: none;
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s, transform 0.1s;
}
.chapter-pager .pg:hover {
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(34, 211, 238, 0.05);
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.1);
}
.chapter-pager .pg:active { transform: scale(0.99); }
.chapter-pager .pg-next { text-align: right; }
.chapter-pager .pg-dir {
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.12em;
  font-family: var(--font-mono);
}
.chapter-pager .pg:hover .pg-dir { color: var(--cyan-hi); }
.chapter-pager .pg-ttl { font-size: 16px; color: var(--ink); font-weight: 600; }
.chapter-pager .pg-home {
  align-items: center;
  text-align: center;
  min-width: 96px;
  gap: 2px;
}
.chapter-pager .pg-home .pg-ico { font-size: 17px; color: var(--ink-2); }
.chapter-pager .pg-home .pg-ttl { font-size: 12.5px; color: var(--ink-2); font-weight: 500; }
@media (max-width: 620px) {
  .chapter-pager { grid-template-columns: 1fr 1fr; padding-bottom: 64px; }
  .chapter-pager .pg-prev { order: 1; }
  .chapter-pager .pg-next { order: 2; }
  .chapter-pager .pg-home { order: 3; grid-column: 1 / -1; flex-direction: row; justify-content: center; gap: 8px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   トークナイザ深掘り編 (page-token) — テーマ: berry
   ============================================================ */
:root { --berry-hi: #fb7185; }

.page-token .step-num { color: var(--berry-hi); }
.page-token .step-num::before { background: linear-gradient(90deg, transparent, var(--berry-hi)); }
.page-token .hero-kicker { color: var(--berry-hi); text-shadow: 0 0 20px rgba(251, 113, 133, 0.5); }
.page-token .rail a.on { background: var(--berry-hi); box-shadow: 0 0 12px rgba(251, 113, 133, 0.85); }
.page-token .panel-title::before { color: var(--berry-hi); }
.page-token .btn { background: rgba(251,113,133,0.12); color: var(--berry-hi); border-color: rgba(251,113,133,0.35); }
.page-token .btn:hover { background: rgba(251,113,133,0.2); box-shadow: 0 0 24px rgba(251,113,133,0.18); }
.page-token .btn.ghost { background: transparent; color: var(--ink-2); border-color: var(--border-strong); }
.page-token .btn.ghost:hover { color: var(--ink); box-shadow: none; background: rgba(255,255,255,0.05); }
.page-token .seg button.on { background: rgba(251,113,133,0.18); color: var(--berry-hi); }
.page-token .prompt-pick button.on { border-color: rgba(251,113,133,0.55); color: var(--berry-hi); background: rgba(251,113,133,0.1); }
.page-token .ghost-hint b { color: var(--berry-hi); }
.page-token .note b { color: var(--berry-hi); }
.page-token .chapter-pager .pg:hover { border-color: rgba(251,113,133,0.5); background: rgba(251,113,133,0.05); box-shadow: 0 0 22px rgba(251,113,133,0.1); }
.page-token .chapter-pager .pg:hover .pg-dir { color: var(--berry-hi); }

/* STEP 1 — <UNK> チップ */
.tk.unk { color: #f9a8d0; border-color: rgba(236,72,153,.55); background: rgba(236,72,153,.14); border-style: dashed; }

/* STEP 2 — BPE トレーナー */
.bpe-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 20px;
  margin-top: 24px;
}
.bpe-sub {
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.bpe-corpus { display: flex; flex-direction: column; gap: 9px; }
.bpe-word { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.bw-lab {
  font-size: 12px; color: var(--ink-2); min-width: 74px;
  display: inline-flex; align-items: baseline; gap: 4px;
}
.bw-lab em { color: var(--ink-3); font-style: normal; font-size: 11px; }
.bw-syms { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.sym {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 3px 8px;
  border-radius: 7px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--ink);
  transition: transform 0.25s, background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.sym.end { color: var(--ink-3); background: transparent; border-style: dashed; }
.sym.merged { color: var(--berry-hi); border-color: rgba(251,113,133,0.5); background: rgba(251,113,133,0.12); }
.sym.win { border-color: var(--berry-hi); box-shadow: 0 0 0 2px rgba(251,113,133,0.4); transform: translateY(-2px); background: rgba(251,113,133,0.18); }

.bpe-pairnote { font-size: 11px; color: var(--ink-3); margin: 16px 0 8px; letter-spacing: 0.1em; }
.bpe-pairs { display: flex; gap: 8px; flex-wrap: wrap; }
.pair-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 9px;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--ink-2);
  display: inline-flex; align-items: center; gap: 5px;
}
.pair-chip b { color: var(--ink); font-weight: 600; }
.pair-chip em { font-style: normal; color: var(--ink-3); font-size: 11px; }
.pair-chip.win { border-color: var(--berry-hi); background: rgba(251,113,133,0.15); box-shadow: 0 0 14px rgba(251,113,133,0.25); }
.pair-chip.win b, .pair-chip.win em { color: var(--berry-hi); }

.bpe-right {
  border-left: 1px solid var(--border);
  padding-left: 20px;
}
.bpe-rules { display: flex; flex-direction: column; gap: 6px; min-height: 120px; }
.bpe-empty { font-size: 12.5px; color: var(--ink-3); line-height: 1.7; }
.rule {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}
.rule.fresh { border-color: rgba(251,113,133,0.5); background: rgba(251,113,133,0.08); animation: rulepop 0.4s ease; }
@keyframes rulepop { from { transform: translateX(-8px); opacity: 0; } to { transform: none; opacity: 1; } }
.rule .rn {
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-3);
  width: 22px; height: 22px; display: grid; place-items: center;
  background: rgba(255,255,255,0.05); border-radius: 6px;
}
.rbody { font-size: 13px; color: var(--ink-2); }
.rbody b { color: var(--ink); font-weight: 600; }
.rres { color: var(--berry-hi); font-weight: 700; }
.rc { font-size: 11px; color: var(--ink-3); }

.bpe-stats { display: flex; gap: 14px; margin-top: 16px; }
.bpe-stats .stat {
  flex: 1; padding: 12px 14px; border-radius: 10px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
}
.bpe-stats .sv { display: block; font-size: 24px; font-weight: 700; color: var(--berry-hi); line-height: 1.2; }
.bpe-stats .sl { font-size: 11px; color: var(--ink-2); }
.bpe-stats .sl em { font-style: normal; color: var(--ink-3); }
.bpe-cap .hl { color: var(--berry-hi); }

/* STEP 3 — strawberry */
.sb-stage { margin-top: 22px; min-height: 120px; }
.sb-letters { display: flex; flex-wrap: wrap; gap: 6px; }
.sb-let {
  font-family: var(--font-mono);
  font-size: 22px;
  width: 34px; height: 42px;
  display: grid; place-items: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--ink-2);
}
.sb-let.hit { color: var(--berry-hi); border-color: var(--berry-hi); background: rgba(251,113,133,0.16); box-shadow: 0 0 12px rgba(251,113,133,0.3); font-weight: 700; }
.sb-cap { margin-top: 16px; font-size: 13.5px; line-height: 1.8; }
.sb-cap.ok { color: var(--ink-2); }
.sb-cap.ok b { color: var(--berry-hi); }
.sb-cap.no { color: var(--ink-2); }
.sb-cap.no b { color: var(--ink); }
.sb-cap.no .mono { color: var(--berry-hi); }

.sb-quiz { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--border); }
.sb-q { font-size: 16px; color: var(--ink); margin-bottom: 16px; }
.sb-q b { color: var(--berry-hi); }
.sb-ans { display: flex; gap: 14px; flex-wrap: wrap; }
.sb-bubble {
  flex: 1; min-width: 200px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-radius: 12px; border: 1px solid var(--border);
}
.sb-bubble .who { font-size: 13px; color: var(--ink-2); }
.sb-bubble .val { font-family: var(--font-mono); font-size: 18px; font-weight: 700; }
.sb-bubble.ok { border-color: rgba(52,211,153,0.4); background: rgba(52,211,153,0.07); }
.sb-bubble.ok .val { color: var(--green-hi); }
.sb-bubble.no { border-color: rgba(248,113,113,0.4); background: rgba(248,113,113,0.07); }
.sb-bubble.no .val { color: #f87171; }
.sb-note { margin-top: 16px; font-size: 13px; color: var(--ink-2); line-height: 1.85; }
.sb-note b { color: var(--berry-hi); }

/* STEP 4 — 効率差 */
.tk.byte { color: var(--ink-3); border-style: dashed; opacity: 0.75; }
.ef-bars { display: flex; flex-direction: column; gap: 10px; }
.ef-bar {
  display: grid; grid-template-columns: 128px 1fr 52px;
  align-items: center; gap: 12px; cursor: pointer;
  padding: 4px 6px; border-radius: 8px;
  transition: background 0.2s;
}
.ef-bar:hover { background: rgba(255,255,255,0.03); }
.ef-bar.on { background: rgba(251,113,133,0.08); }
.efb-lab { font-size: 13px; color: var(--ink-2); }
.ef-bar.on .efb-lab { color: var(--berry-hi); font-weight: 600; }
.efb-track { height: 18px; background: rgba(255,255,255,0.04); border-radius: 6px; overflow: hidden; }
.efb-fill { display: block; height: 100%; border-radius: 6px; background: rgba(148,163,184,0.4); transition: width 0.5s; }
.ef-bar.on .efb-fill { background: linear-gradient(90deg, var(--berry-hi), #fb923c); }
.efb-val { font-family: var(--font-mono); font-size: 13px; color: var(--ink-2); text-align: right; }
.ef-bar.on .efb-val { color: var(--berry-hi); }

/* STEP 5 — プレイグラウンド */
.pg-input {
  width: 100%;
  margin: 4px 0 20px;
  padding: 16px 18px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.pg-input:focus { border-color: var(--berry-hi); box-shadow: 0 0 0 3px rgba(251,113,133,0.15); }
.pg-readout { display: flex; gap: 14px; flex-wrap: wrap; }
.pg-stat {
  flex: 1; min-width: 120px; padding: 14px 16px; border-radius: 12px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  text-align: center;
}
.pg-stat .pv { display: block; font-size: 28px; font-weight: 700; color: var(--berry-hi); line-height: 1.1; }
.pg-stat .pl { font-size: 11.5px; color: var(--ink-2); }
.pg-more { font-size: 12px; color: var(--ink-3); align-self: center; }

.pg-context { margin-top: 22px; }
.pg-ctx-lab { font-size: 10.5px; letter-spacing: 0.22em; color: var(--ink-3); margin-bottom: 8px; }
.pg-ctx-track { height: 14px; background: rgba(255,255,255,0.05); border-radius: 7px; overflow: hidden; }
.pg-ctx-fill { display: block; height: 100%; border-radius: 7px; background: linear-gradient(90deg, var(--berry-hi), #fb923c); transition: width 0.3s; }
.pg-ctx-note { margin-top: 10px; font-size: 12.5px; color: var(--ink-2); }
.pg-ctx-note b { color: var(--berry-hi); }

@media (max-width: 760px) {
  .bpe-grid { grid-template-columns: 1fr; }
  .bpe-right { border-left: none; padding-left: 0; border-top: 1px solid var(--border); padding-top: 18px; }
}