/* Gomoku reading pages share the homepage's Sora/Manrope type and board palette. */
.guide-actions { display: flex; align-items: center; gap: 22px; }
.guide-language { color: var(--neural-cyan); padding-block: 12px; }
.guide-main { padding-block: calc(var(--header-height) + 64px) 90px; }
.guide-intro { max-width: 840px; }
.guide-intro h1 { font: 700 clamp(2.5rem, 6vw, 5.4rem) / 1.08 var(--display); letter-spacing: -0.05em; margin-block: 20px 24px; }
.guide-lead { max-width: 62ch; color: var(--text-soft); font-size: 1.12rem; margin-bottom: 28px; }
.guide-example { display: flex; align-items: center; gap: 36px; margin-block: 48px 64px; padding-block: 28px; border-block: 1px solid var(--line); }
.guide-line { display: flex; align-items: center; justify-content: space-between; gap: 16px; position: relative; width: 260px; flex-shrink: 0; }
.guide-line::before { content: ""; position: absolute; top: 50%; left: 0; right: 0; height: 2px; background: var(--neural-cyan); }
.guide-line span { position: relative; width: 30px; height: 30px; border-radius: 50%; background: var(--neural-cyan); box-shadow: 0 0 16px rgba(89, 227, 214, .2); }
.guide-example figcaption { color: var(--muted); font: 500 .8rem / 1.6 var(--mono); }
.guide-layout { display: grid; grid-template-columns: minmax(180px, 250px) minmax(0, 760px); gap: 72px; }
.guide-toc { position: sticky; top: calc(var(--header-height) + 28px); align-self: start; }
.guide-toc .section-kicker { margin-bottom: 20px; }
.guide-toc a { display: block; padding: 12px 0; color: var(--text-soft); border-bottom: 1px solid var(--line); font-size: .9rem; }
.guide-toc a:hover { color: var(--neural-cyan); }
.guide-content section { margin-bottom: 48px; }
.guide-content h2 { font: 600 clamp(1.45rem, 2.7vw, 2rem) / 1.25 var(--display); margin-bottom: 22px; }
.guide-content h3 { font-size: 1.1rem; margin-block: 26px 10px; }
.guide-content p, .guide-content li, .guide-variants dd { color: var(--text-soft); line-height: 1.85; }
.guide-content p + p { margin-top: 18px; }
.guide-content p a { color: var(--neural-cyan); text-decoration: underline; text-underline-offset: 3px; }
.guide-content ol { padding-left: 1.5rem; margin-block: 22px; }
.guide-content li { padding-left: 6px; margin-block: 10px; }
.guide-variants { margin-top: 16px; }
.guide-variants > div { padding-block: 18px; border-bottom: 1px solid var(--line); }
.guide-variants dt { color: var(--neural-cyan); font-weight: 800; margin-bottom: 6px; }
.guide-content .faq p { font-size: 1rem; }
.guide-breadcrumbs { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; color: var(--muted); font-size: .85rem; }
.guide-breadcrumbs a:hover { color: var(--neural-cyan); }
.guide-reading { margin-top: 56px; }
.tactic-figure { display: grid; grid-template-columns: minmax(160px, 288px) minmax(0, 1fr); gap: 28px; align-items: center; margin-block: 28px; padding: 24px; background: var(--surface-soft); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.tactic-figure svg { display: block; width: 100%; height: auto; }
.tactic-figure figcaption { color: var(--text-soft); font-size: .95rem; }
.tactic-grid { fill: none; stroke: var(--line-strong); stroke-width: 1; }
.stone-black { fill: #07101e; stroke: #8fa1b6; stroke-width: 2; }
.stone-white { fill: #f5f8ff; stroke: #c8d3e2; stroke-width: 2; }
.move-hint { fill: #091b20; stroke: #59e3d6; stroke-width: 2; stroke-dasharray: 3 3; }
.tactic-figure text { font: 600 14px var(--mono); text-anchor: middle; }
.hint-label { fill: #59e3d6; }
.number-black { fill: #f5f8ff; }
.number-white { fill: #07101e; }
.rule-table-wrap { margin-block: 28px; }
.rule-table { width: 100%; border-collapse: collapse; font-size: .95rem; table-layout: fixed; }
.rule-table caption { color: var(--muted); text-align: left; margin-bottom: 14px; }
.rule-table th, .rule-table td { padding: 14px 10px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.rule-table thead th { color: var(--neural-cyan); }
.rule-table td { color: var(--text-soft); }
.guide-related { margin-top: 36px; padding-block: 24px; border-block: 1px solid var(--line); }
.guide-related a { display: block; padding-block: 12px; color: var(--neural-cyan); }
@media (max-width: 900px) {
  .guide-layout { grid-template-columns: 1fr; gap: 40px; }
  .guide-toc { position: static; }
}
@media (max-width: 620px) {
  .guide-main { padding-top: calc(var(--header-height) + 36px); }
  .guide-page .brand-name { display: none; }
  .guide-actions { gap: 14px; }
  .guide-actions .button { padding-inline: 14px; font-size: .8rem; }
  .guide-language { font-size: .85rem; }
  .guide-lead { font-size: 1rem; }
  .guide-example { flex-direction: column; align-items: flex-start; gap: 20px; margin-block: 32px 40px; }
  .guide-line { max-width: 100%; }
  .guide-content .faq p { padding-right: 0; }
  .tactic-figure { grid-template-columns: 1fr; padding: 18px; gap: 18px; }
  .tactic-figure svg { max-width: 288px; margin-inline: auto; }
  .rule-table { font-size: .82rem; }
  .rule-table th, .rule-table td { padding: 12px 5px; }
}