/* Gaimen web — the site's only stylesheet. No JavaScript anywhere on this site,
   so every interactive affordance here is native HTML (<details>/<summary>). */

:root {
  --bg: #fbfaf6;
  --surface: #ffffff;
  --border: #e6e2d8;
  --ink: #1b2333;
  --ink-soft: #5a6273;
  --ink-faint: #8a90a0;
  --accent: #1f5fa8;
  --accent-soft: #eef4fb;
  --true: #1a7f4b;
  --false: #b3261e;
  --measure: 44rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141821;
    --surface: #1c2130;
    --border: #2d3446;
    --ink: #eef1f6;
    --ink-soft: #b3bacb;
    --ink-faint: #7d859a;
    --accent: #7fb2ea;
    --accent-soft: #1e2839;
    --true: #5fd39b;
    --false: #ff9a92;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Noto Sans JP',
    'Segoe UI', sans-serif;
  font-size: 1.0625rem;
  line-height: 1.85;
}

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

h1 {
  font-size: 1.7rem;
  line-height: 1.4;
  margin: 0.75rem 0 1rem;
  letter-spacing: -0.01em;
}
h2 {
  font-size: 1.2rem;
  line-height: 1.5;
  margin: 2.5rem 0 0.75rem;
  color: var(--ink);
}
h3 { font-size: 1.02rem; margin: 0; }

p { margin: 0 0 1.1rem; color: var(--ink-soft); }
p.lead { color: var(--ink); font-size: 1.1rem; }

/* ---------- header / footer ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 0.9rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1.25rem;
}
.wordmark { font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.site-nav { display: flex; gap: 1rem; font-size: 0.92rem; margin-left: auto; }

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  position: static;
  left: auto;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.25rem 3rem;
  max-width: var(--measure);
  margin: 0 auto;
}
.site-footer .about { font-size: 0.85rem; color: var(--ink-faint); line-height: 1.7; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.85rem; }
.copyright { font-size: 0.8rem; color: var(--ink-faint); margin: 1rem 0 0; }

/* ---------- breadcrumbs ---------- */

.crumbs {
  font-size: 0.82rem;
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}
.crumbs .sep { color: var(--border); }

/* ---------- question cards ---------- */

.questions { margin-top: 2rem; }

.question {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.q-meta {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}
.q-num a { color: var(--ink-faint); font-size: 0.85rem; font-weight: 600; }
.q-format {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  margin-left: auto;
}
.statement { color: var(--ink); margin-bottom: 0.9rem; }

.diagram { margin: 0 0 0.9rem; }
.diagram img {
  width: 132px;
  height: auto;
  max-width: 100%;
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem;
}

.reveal { border-top: 1px dashed var(--border); padding-top: 0.6rem; }
.reveal > summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  list-style: none;
}
.reveal > summary::-webkit-details-marker { display: none; }
.reveal > summary::before { content: '▸ '; }
.reveal[open] > summary::before { content: '▾ '; }
.reveal-body { padding-top: 0.8rem; }
.reveal-body p { margin-bottom: 0.7rem; }
.reveal-body .k {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-right: 0.35rem;
}
.verdict .is-true { color: var(--true); }
.verdict .is-false { color: var(--false); }
.source { font-size: 0.85rem; color: var(--ink-faint); }

/* ---------- upsell ---------- */

.upsell {
  margin: 3rem 0 0;
  padding: 1.4rem 1.4rem 1.1rem;
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.upsell h2 { margin-top: 0; font-size: 1.1rem; }
.cta-row { margin: 1rem 0 0.5rem; }
.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1.15rem;
  border-radius: 8px;
}
.cta:hover, .cta:focus { text-decoration: none; opacity: 0.9; }
@media (prefers-color-scheme: dark) { .cta { color: #10151f; } }
.upsell .note { font-size: 0.82rem; color: var(--ink-faint); margin: 0 0 0.6rem; }
.upsell .cite {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ink-faint);
  margin: 0;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
}

/* ---------- store interstitial (/{locale}/go/) ---------- */

.store-links {
  list-style: none;
  padding-left: 0;
  margin: 1.25rem 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.store-links .cta { display: block; }
.back-link { margin-top: 1.5rem; font-size: 0.9rem; }

/* ---------- lists ---------- */

.topic-list, .planned, .lang-cards, .topic-cards { padding-left: 0; list-style: none; }
.topic-list li, .planned li { margin-bottom: 0.5rem; color: var(--ink-soft); }
.topic-cards li {
  border-top: 1px solid var(--border);
  padding: 1rem 0 0.25rem;
}
.topic-cards h3 { margin-bottom: 0.35rem; }
.topic-cards p { font-size: 0.92rem; margin-bottom: 0.75rem; }
.related { margin-top: 2.5rem; }
.guide-link { margin-top: 1rem; }

.lang-cards { display: grid; gap: 1rem; margin-top: 1.5rem; }
.lang-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}
.lang-card h2 { margin: 0 0 0.5rem; font-size: 1.25rem; }

/* ---------- legal ---------- */

.legal .updated { font-size: 0.85rem; color: var(--ink-faint); }
.legal section { margin-bottom: 0.5rem; }
.legal ul { color: var(--ink-soft); padding-left: 1.2rem; }
.legal li { margin-bottom: 0.5rem; }
.legal strong { color: var(--ink); }

/* --- the guide tier (instruction20b) ------------------------------------- */

.guide section { margin-bottom: 0.5rem; }
.guide h2 { margin-top: 2.2rem; }
.guide h3 {
  font-size: 0.98rem;
  margin: 1.5rem 0 0.6rem;
  color: var(--ink);
}

/* The visible lastVerified stamp. 20b §2.2 — every guide page renders one. */
.verified {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin: -0.4rem 0 1.2rem;
}
.verified .k, .verified-inline .k {
  font-weight: 600;
  color: var(--ink-soft);
}
.verified-inline {
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin: 0;
}

/* An inline citation, immediately after the claims it supports. */
.guide .cite, .sources .source-list {
  font-size: 0.85rem;
  line-height: 1.75;
}
.guide .cite {
  color: var(--ink-faint);
  border-left: 2px solid var(--border);
  padding: 0 0 0 0.8rem;
  margin: -0.4rem 0 1.6rem;
}
.guide .cite .k { font-weight: 600; color: var(--ink-soft); }

.callout {
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin: 0 0 1.4rem;
}
.callout p { margin: 0; color: var(--ink); font-size: 0.95rem; }

.prose-list, .prose-steps { color: var(--ink-soft); padding-left: 1.3rem; margin: 0 0 1.3rem; }
.prose-list li, .prose-steps li { margin-bottom: 0.6rem; line-height: 1.75; }
.prose-dl { color: var(--ink-soft); margin: 0 0 1.3rem; }
.prose-dl dt { font-weight: 600; color: var(--ink); margin-top: 0.8rem; }
.prose-dl dd { margin: 0.2rem 0 0; }

/* Wide content scrolls inside its own box; the page body never scrolls sideways. */
.table-wrap { overflow-x: auto; margin: 0 0 1.5rem; }
.table-wrap table {
  border-collapse: collapse;
  width: 100%;
  min-width: 30rem;
  font-size: 0.9rem;
}
.table-wrap caption {
  text-align: left;
  font-size: 0.82rem;
  color: var(--ink-faint);
  padding-bottom: 0.5rem;
}
.table-wrap th, .table-wrap td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.7rem;
  text-align: left;
  vertical-align: top;
}
.table-wrap thead th { background: var(--accent-soft); color: var(--ink); }
.table-wrap tbody th { font-weight: 600; color: var(--ink); }
.table-wrap td { color: var(--ink-soft); }

.inline-link { margin: 0 0 1.4rem; font-size: 0.95rem; }

.sources {
  margin-top: 2.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
}
.sources h2 { margin-top: 0; font-size: 1.02rem; }
.sources p { font-size: 0.85rem; color: var(--ink-faint); }
.source-list { padding-left: 1.2rem; color: var(--ink-soft); }
.source-list li { margin-bottom: 0.8rem; }
.src-url {
  font-size: 0.75rem;
  color: var(--ink-faint);
  word-break: break-all;
}

.guide-cards { padding-left: 0; list-style: none; }
.guide-cards li {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.guide-cards h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.guide-cards p { font-size: 0.92rem; margin-bottom: 0.5rem; }