/* YuzuFi data room — doc pages, internal hub and the scenario model's chrome.
   Same "Ink & Yuzu" system as the landing (research/landing.css). Generated by research/build.py. */

:root {
  --ink: #0F1712;
  --ink-2: #16211B;
  --ink-line: #2A3A30;
  --ink-line-2: #3A4A40;
  --on-ink: #F3F5F0;
  --on-ink-2: #B9C4BC;
  --on-ink-3: #9DAAA1;
  --paper: #FFFFFF;
  --mist: #F2F4F1;
  --mist-2: #F7F8F5;
  --line: #D5DBD6;
  --line-2: #E6EAE6;
  --text: #111813;
  --body: #3E4A42;
  --muted: #56625A;
  --yuzu: #FED000;
  --yuzu-tint: #FFF6CC;
  --leaf: #2E7D4F;
  --sans: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --jp: 'Noto Sans JP', sans-serif;
  --gutter: clamp(16px, 4vw, 48px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.y-dr { margin: 0; background: var(--paper); color: var(--text); font-family: var(--sans); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body.y-dr.lang-ja { font-family: var(--sans), var(--jp); }
.y-dr a { color: inherit; }
.y-dr a:focus-visible, .y-dr button:focus-visible { outline: 2px solid var(--leaf); outline-offset: 3px; }
.y-dr-wrap { max-width: 1240px; margin: 0 auto; padding-inline: var(--gutter); }
.y-dr-skip { position: absolute; left: 16px; top: -48px; z-index: 50; padding: 10px 14px; background: var(--yuzu); color: var(--ink); border-radius: 8px; font-weight: 600; text-decoration: none; }
.y-dr-skip:focus { top: 12px; }
.y-dr-kicker { margin: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.y-dr-kicker .y-jp { font-family: var(--jp); letter-spacing: 0.04em; text-transform: none; }

/* ---------- Topbar ---------- */
.y-dr-top { position: sticky; top: 0; z-index: 40; background: var(--ink); color: var(--on-ink); border-bottom: 1px solid #22302A; }
.y-dr-top-row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 28px; padding-block: 10px; }
.y-dr-brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--on-ink); text-decoration: none; font-size: 19px; font-weight: 600; letter-spacing: -0.02em; }
.y-dr-brand small { font-family: var(--mono); font-size: 11px; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-ink-3); padding: 3px 8px; border: 1px solid var(--ink-line-2); border-radius: 999px; }
.y-dr-nav { display: flex; gap: 0 22px; font-size: 14px; flex: 1 1 auto; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.y-dr-nav::-webkit-scrollbar { display: none; }
.y-dr-nav a { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; color: #C9D2CB; text-decoration: none; border-bottom: 2px solid transparent; }
.y-dr-nav a:hover { color: var(--on-ink); }
.y-dr-nav a[aria-current="page"] { color: var(--on-ink); border-bottom-color: var(--yuzu); }
.y-dr-top-meta { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.y-dr-lang { display: inline-flex; border: 1px solid var(--ink-line-2); border-radius: 999px; overflow: hidden; font-family: var(--mono); font-size: 12px; }
.y-dr-lang a, .y-dr-lang span { display: inline-flex; align-items: center; min-height: 32px; padding: 0 10px; color: #C9D2CB; text-decoration: none; }
.y-dr-lang a.is-on { background: var(--on-ink); color: var(--ink); }
.y-dr-lang span { color: #6F7F75; }
.y-dr-deck { display: inline-flex; align-items: center; min-height: 36px; padding: 0 14px; border-radius: 999px; background: var(--yuzu); color: var(--ink) !important; font-size: 13px; font-weight: 600; text-decoration: none; }
@media (max-width: 860px) {
  .y-dr-top-row { padding-block: 6px 0; }
  .y-dr-nav { order: 3; flex-basis: 100%; gap: 0 18px; border-top: 1px solid #22302A; }
}

/* ---------- Doc header ---------- */
.y-dr-head { background: var(--mist); border-bottom: 1px solid #DDE2DC; }
.y-dr-head .y-dr-wrap { display: flex; flex-direction: column; gap: 16px; padding-block: 48px 40px; }
.y-dr-head h1 { margin: 0; max-width: 900px; font-size: clamp(34px, 4.4vw, 56px); line-height: 1.04; letter-spacing: -0.035em; font-weight: 600; text-wrap: balance; }
.y-dr-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--body); }
.y-dr-legend span { display: inline-flex; align-items: center; gap: 6px; }
.y-dr-legend i { width: 12px; height: 12px; border-radius: 3px; }
.y-dr-legend .is-verified { background: #2F6FA8; }
.y-dr-legend .is-reported { background: #E3A21A; }
.y-dr-legend .is-open { border: 1px solid #8A968D; background: repeating-linear-gradient(-45deg, #8A968D 0 2px, transparent 2px 5px); }
.y-dr-legend .is-model { border: 2px solid #148F86; }

/* ---------- Body ---------- */
.y-dr-body { display: grid; grid-template-columns: minmax(0, 1fr); justify-items: center; padding-block: 48px 96px; }
.y-dr-body > * { width: 100%; max-width: 780px; }
.y-dr-note { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 40px; }
.y-dr-note img { width: 52px; height: auto; flex: 0 0 52px; }
.y-dr-note > div { display: flex; flex-direction: column; gap: 4px; padding: 12px 18px; border-radius: 16px; background: var(--paper); border: 1px solid var(--line); }
.y-dr-note b { font-family: var(--mono); font-size: 12px; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase; color: #6B5300; }
.y-dr-note p { margin: 0; font-size: 15px; line-height: 1.55; color: #26302A; }

/* Markdown article */
.y-dr-article { color: var(--body); overflow-wrap: break-word; }
.y-dr-article > *:first-child { margin-top: 0; }
.y-dr-article h1 { margin: 0 0 20px; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.08; letter-spacing: -0.03em; font-weight: 600; color: var(--text); }
.y-dr-article h2 { margin: 56px 0 16px; padding-top: 24px; border-top: 1px solid var(--line); font-size: clamp(24px, 2.4vw, 30px); line-height: 1.18; letter-spacing: -0.02em; font-weight: 600; color: var(--text); scroll-margin-top: 120px; }
.y-dr-article h3 { margin: 36px 0 10px; font-size: 19px; line-height: 1.3; letter-spacing: -0.01em; font-weight: 600; color: var(--text); scroll-margin-top: 120px; }
.y-dr-article h4 { margin: 28px 0 8px; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.y-dr-article p { margin: 0 0 16px; }
.y-dr-article strong { color: var(--text); font-weight: 600; }
.y-dr-article a { color: var(--leaf); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.y-dr-article a:hover { color: var(--text); }
.y-dr-article ul, .y-dr-article ol { margin: 0 0 18px; padding-left: 22px; }
.y-dr-article li { margin: 6px 0; padding-left: 4px; }
.y-dr-article li::marker { color: var(--muted); font-family: var(--mono); font-size: 0.9em; }
.y-dr-article hr { border: 0; height: 1px; background: var(--line); margin: 56px 0 24px; }
.y-dr-article hr + h2 { margin-top: 0; padding-top: 0; border-top: 0; }
.y-dr-article blockquote { margin: 24px 0; padding: 16px 20px; border-radius: 14px; background: var(--mist); color: #26302A; font-size: 16px; }
.y-dr-article blockquote p:last-child { margin-bottom: 0; }
.y-dr-article code { font-family: var(--mono); font-size: 0.88em; padding: 1px 6px; border-radius: 5px; background: var(--mist); color: var(--text); }
.y-dr-article pre { margin: 20px 0 24px; padding: 18px 20px; border-radius: 14px; background: var(--ink); color: var(--on-ink); overflow-x: auto; font-size: 14px; line-height: 1.55; }
.y-dr-article pre code { padding: 0; background: none; color: inherit; font-size: inherit; }
.y-dr-tablewrap { margin: 20px 0 28px; overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.y-dr-article table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.y-dr-article th { text-align: left; vertical-align: bottom; padding: 12px 16px; background: var(--mist-2); border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.y-dr-article td { vertical-align: top; padding: 12px 16px; border-top: 1px solid var(--line-2); }
.y-dr-article tr:first-child td { border-top: 0; }
.y-dr-article td:first-child { color: var(--text); font-weight: 500; }
@media (max-width: 560px) {
  body.y-dr { font-size: 16px; }
  .y-dr-article th, .y-dr-article td { padding: 10px 12px; }
  .y-dr-article table { font-size: 14px; }
}

/* Pager */
.y-dr-pager { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 12px; margin-top: 56px; }
.y-dr-pager a { display: flex; flex-direction: column; gap: 4px; padding: 16px 20px; border: 1px solid var(--line); border-radius: 14px; text-decoration: none; }
.y-dr-pager a:hover { border-color: var(--text); }
.y-dr-pager small { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.y-dr-pager b { font-size: 17px; font-weight: 600; }
.y-dr-pager .is-next { text-align: right; }

/* ---------- Footer ---------- */
.y-dr-foot { background: #0A100C; color: #A9B5AC; }
.y-dr-foot .y-dr-wrap { display: flex; flex-direction: column; gap: 18px; padding-block: 36px 44px; }
.y-dr-foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 28px; }
.y-dr-foot nav { display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 13px; }
.y-dr-foot nav a { color: #C9D2CB; }
.y-dr-foot .y-dr-mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }
.y-dr-foot p { margin: 0; max-width: 900px; font-size: 13px; line-height: 1.65; }

/* ---------- Internal hub ---------- */
.y-dr-hero { background: var(--ink); color: var(--on-ink); }
.y-dr-hero .y-dr-wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: 32px 56px; align-items: end; padding-block: 56px; }
.y-dr-hero .y-dr-kicker { color: var(--on-ink-3); }
.y-dr-hero h1 { margin: 12px 0 14px; font-size: clamp(36px, 4.6vw, 60px); line-height: 1.02; letter-spacing: -0.04em; font-weight: 600; }
.y-dr-hero p.y-dr-lede { margin: 0; max-width: 560px; font-size: 18px; line-height: 1.55; color: var(--on-ink-2); }
.y-dr-blockers { padding: 22px 24px; border-radius: 18px; background: var(--ink-2); border: 1px solid var(--ink-line); }
.y-dr-blockers b { display: block; margin-bottom: 10px; font-family: var(--mono); font-size: 12px; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase; color: var(--on-ink-3); }
.y-dr-blockers ul { margin: 0; padding: 0; list-style: none; }
.y-dr-blockers li { padding: 9px 0; border-top: 1px solid var(--ink-line); font-size: 15px; }
.y-dr-section { padding-block: 64px; }
.y-dr-section + .y-dr-section { padding-top: 0; }
.y-dr-sechead { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(380px, 100%), 1fr)); gap: 12px 48px; align-items: end; margin-bottom: 24px; padding-top: 28px; border-top: 1px solid var(--line); }
.y-dr-sechead h2 { margin: 8px 0 0; font-size: clamp(24px, 2.6vw, 32px); line-height: 1.12; letter-spacing: -0.025em; font-weight: 600; }
.y-dr-sechead p { margin: 0; font-size: 15px; color: var(--body); }
.y-dr-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 14px; }
.y-dr-card { display: flex; flex-direction: column; gap: 8px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); color: var(--text); text-decoration: none; transition: border-color 0.2s ease; }
.y-dr-card:hover { border-color: var(--text); }
.y-dr-card-num { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; color: var(--muted); }
.y-dr-card-title { font-size: 19px; font-weight: 600; letter-spacing: -0.015em; }
.y-dr-card-desc { font-size: 15px; line-height: 1.5; color: var(--body); }
.y-dr-card-meta { margin-top: auto; padding-top: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.y-dr-card .hub-card-docx, .y-dr-card .hub-card-ja { align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; color: var(--body); cursor: pointer; }
.y-dr-card .docx-icon, .y-dr-card .ja-icon { font-family: var(--mono); font-size: 10px; padding: 1px 5px; border-radius: 4px; background: var(--mist); }

/* ---------- Scenario model (standalone page, shares the chrome) ---------- */
body.y-sim {
  --izu-ink: #0F1712;
  --izu-ink-soft: #3E4A42;
  --izu-mute: #56625A;
  --izu-line: #D5DBD6;
  --izu-line-soft: #E6EAE6;
  --izu-paper: #FFFFFF;
  --izu-shell: #F2F4F1;
  --izu-gold: #FED000;
  --izu-yellow: #FED000;
  --izu-yellow-soft: #FFF6CC;
  --izu-yellow-tint: #FFF1A8;
  font-size: 15px;
  background: var(--mist);
}
body.y-sim .y-dr-head .y-dr-wrap { padding-block: 40px 28px; }
body.y-sim .y-dr-head p.y-dr-lede { margin: 0; max-width: 780px; font-size: 16px; line-height: 1.6; color: var(--body); }
body.y-sim .sim-controls, body.y-sim .stat-card, body.y-sim .chart-card, body.y-sim .table-card { border-radius: 16px; }
body.y-sim .sim-controls { top: 96px; }
@media (max-width: 860px) { body.y-sim .sim-controls { position: static; } }
body.y-sim .preset-bar { flex-wrap: wrap; }
body.y-sim .scenario-btn { min-height: 40px; border-radius: 999px; font-family: var(--sans); }
body.y-sim input[type="range"] { max-width: 100%; }
body.y-sim .sim-wrap { margin-top: 20px; }
body.y-sim .sim-controls, body.y-sim .sim-output { min-width: 0; }
@media (max-width: 980px) { body.y-sim .sim-wrap { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 560px) { body.y-sim .sim-wrap { padding: 0 12px; } body.y-sim .preset-bar { width: calc(100% - 24px) !important; } }