.guide-page { line-height: 1.85; }
.guide-page a { color: var(--ink); text-underline-offset: .22em; }
.guide-page a:focus-visible, .about-campaign a:focus-visible,
.guide-page summary:focus-visible, .about-campaign summary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}
.guide-page [id] { scroll-margin-top: 24px; }
.guide-header { flex-wrap: wrap; }
.guide-header nav { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.guide-header nav a, .guide-footer a { display: inline-flex; align-items: center; min-height: var(--tap-target); }
.guide-hero { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 24px; align-items: center; padding-block: 32px; }
.guide-hero h1 { margin: 8px 0 18px; font-size: clamp(27px, 3.2vw, 42px); line-height: 1.4; }
.guide-hero h1 span { display: block; font-size: .6em; margin-top: 10px; }
.guide-hero p { margin: 10px 0 0; }
.guide-hero img { width: 100%; height: auto; border: 2px solid var(--ink); border-radius: var(--panel-radius); box-shadow: var(--offset-shadow); }
.guide-caption { color: var(--muted); font-size: 13px; }
.guide-toc { display: flex; flex-wrap: wrap; gap: 10px; padding: 18px 0; border-block: 2px solid var(--line); }
.guide-toc a { display: inline-flex; align-items: center; justify-content: center; min-height: var(--tap-target); padding: 6px 18px; border: 2px solid var(--ink); border-radius: var(--control-radius); font-weight: 800; text-decoration: none; background: var(--yellow-soft); }
.guide-toc a[href="#math"] { background: var(--coral-soft); }
.guide-toc a[href="#language"] { background: var(--yellow-soft); }
.guide-toc a[href="#social"] { background: var(--mint-soft); }
.guide-section { margin-top: 48px; }
.guide-section > h2 { margin: 0 0 12px; font-size: clamp(23px, 2.8vw, 32px); line-height: 1.5; }
.guide-section > p { margin: 0 0 20px; }
.guide-choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.guide-choice { padding: 18px; border: 2px solid var(--ink); border-radius: var(--panel-radius); background: var(--paper); box-shadow: var(--offset-shadow); }
.guide-choice h3 { margin: 0 0 6px; font-size: 18px; }
.guide-choice p { margin: 0 0 10px; }
.guide-choice a { display: inline-flex; align-items: center; min-height: var(--tap-target); font-weight: 800; }
.guide-age-note { padding: 16px 0; border-bottom: 1px solid var(--line); }
.guide-game { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; padding: 28px 0; border-top: 1px solid var(--line); }
.guide-game > img { display: block; width: 100%; height: auto; margin-top: 5px; border: 2px solid var(--ink); border-radius: var(--control-radius); }
.guide-game h3 { margin: 5px 0 10px; font-size: clamp(21px, 2.4vw, 26px); line-height: 1.5; }
.guide-game p { margin: 10px 0; }
.guide-game .guide-grade { margin: 0; font-size: 13px; font-weight: 800; color: var(--muted); }
.guide-use { padding-left: 14px; border-left: 4px solid var(--yellow); }
.guide-use strong { display: block; font-size: 14px; }
.guide-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 16px; }
.guide-actions a { display: inline-flex; align-items: center; justify-content: center; min-height: var(--tap-target); font-weight: 800; }
.guide-actions .guide-play { padding: 7px 16px; border: 2px solid var(--ink); border-radius: var(--control-radius); background: var(--coral-soft); text-decoration: none; box-shadow: 2px 3px 0 var(--ink); }
#language .guide-play { background: var(--yellow-soft); }
#social .guide-play { background: var(--mint-soft); }
.guide-print { padding: 24px; background: var(--mint-soft); border: 2px solid var(--ink); border-radius: var(--panel-radius); }
.guide-print .guide-actions .guide-play { background: var(--paper); }
.guide-faq details { border-top: 1px solid var(--line); }
.guide-faq summary { padding: 14px 0; min-height: var(--tap-target); font-weight: 800; cursor: pointer; touch-action: manipulation; }
.guide-faq details p { margin: 0 0 18px; }
.guide-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 20px; border-top: 2px solid var(--line); margin-top: 40px; padding-top: 18px; }
.about-campaign .proof-strip strong { font-size: clamp(24px, 2.7vw, 34px); line-height: 1.3; overflow-wrap: anywhere; }
.about-campaign .about-hero-v2 { grid-template-columns: minmax(0, 1fr); }
.about-campaign .about-hero-copy { min-width: 0; }
.about-campaign .visual-topic-card img { height: auto; }
.about-campaign .about-home-link, .about-campaign summary { min-height: var(--tap-target); touch-action: manipulation; }
.about-campaign .guide-inline-link { display: inline-flex; align-items: center; min-height: var(--tap-target); color: var(--ink); font-weight: 800; text-underline-offset: .22em; }
@media (max-width: 900px) {
  .guide-hero { grid-template-columns: 1fr; }
  .guide-hero img { max-width: 440px; }
  .guide-game { grid-template-columns: 132px minmax(0, 1fr); gap: 18px; }
}
@media (max-width: 620px) {
  .guide-header { gap: 8px; }
  .guide-hero { gap: 18px; padding-block: 24px; }
  .guide-toc { gap: 8px; }
  .guide-toc a { flex: 1 1 auto; padding-inline: 12px; }
  .guide-choices { grid-template-columns: 1fr; }
  .guide-section { margin-top: 36px; }
  .guide-game { grid-template-columns: 1fr; gap: 14px; }
  .guide-game > img { width: min(220px, 100%); }
  .guide-print { padding: 18px; }
  .guide-page .guide-actions .guide-play { width: 100%; }
  .about-campaign .landing-header { flex-wrap: wrap; gap: 10px; }
  .about-campaign .about-hero-copy h1 { font-size: clamp(24px, 7.8vw, 42px); }
  .about-campaign .about-hero-actions { grid-template-columns: minmax(0, 1fr); }
}