.guide-page {
  background:
    radial-gradient(circle at 1px 1px, rgba(38, 32, 26, 0.08) 1px, transparent 0) 0 0 / 18px 18px,
    var(--paper);
  color: var(--ink);
}

.guide-shell {
  width: var(--page);
  margin: 0 auto;
  padding-top: 98px;
  overflow: visible;
}

.guide-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: clamp(32px, 7vw, 90px);
  align-items: center;
  min-height: 690px;
  padding: clamp(58px, 7vw, 92px);
  border: var(--line-dark);
  border-radius: 22px;
  background: var(--card);
  box-shadow: 8px 8px 0 var(--ink);
}

.guide-kicker,
.guide-section-head > span,
.guide-toc p,
.scale-controls > p,
.tip-card > span {
  margin: 0;
  color: var(--muted-dark);
  font-family: var(--pixel);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.guide-hero h1 { margin-top: 24px; }

.guide-hero-copy > p:not(.guide-kicker) {
  max-width: 680px;
  margin: 30px 0 0;
  color: var(--muted-dark);
  font-size: clamp(18px, 1.65vw, 22px);
  line-height: 1.55;
}

.guide-jumps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.guide-jumps a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 8px 14px 8px 9px;
  border: var(--line-dark);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.guide-jumps a:hover { background: var(--sky); transform: translate(-1px, -1px); box-shadow: var(--shadow); }
.guide-jumps a span { display: grid; width: 28px; height: 28px; border: var(--line-dark); border-radius: 50%; background: var(--sun); place-items: center; font: 700 9px var(--pixel); }

.guide-hero-card {
  position: relative;
  display: grid;
  justify-items: center;
  padding: 48px 28px 30px;
  border: var(--line-dark);
  border-radius: 18px;
  background: var(--sun);
  box-shadow: var(--shadow);
  text-align: center;
  transform: rotate(1deg);
}

.guide-note { position: absolute; top: 12px; left: 14px; font: 700 9px var(--pixel); letter-spacing: 0.1em; }
.guide-hero-card > strong { font-family: var(--display); font-size: clamp(76px, 8vw, 112px); font-weight: 800; line-height: 0.9; }
.guide-hero-card > p { margin: 8px 0 24px; font-family: var(--display); font-size: 18px; font-weight: 700; }
.guide-hero-card > div { display: flex; align-items: center; gap: 7px; width: 100%; padding: 10px 0; border-top: 2px dashed rgba(38, 32, 26, 0.45); }
.guide-hero-card > div span { margin-left: auto; font: 700 10px var(--pixel); text-transform: uppercase; }
.guide-hero-card small { margin-top: 18px; color: var(--muted-dark); font-size: 13px; }

kbd {
  display: inline-grid;
  min-width: 34px;
  min-height: 32px;
  padding: 5px 7px;
  border: var(--line-dark);
  border-radius: 9px;
  background: var(--card);
  color: var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
  font: 800 13px var(--display);
  place-items: center;
}

.guide-layout {
  display: grid;
  grid-template-columns: 215px minmax(0, 1fr);
  gap: clamp(34px, 6vw, 74px);
  align-items: start;
  padding: 96px clamp(12px, 4vw, 54px) 130px;
}

.guide-toc {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 4px;
  padding: 18px;
  border: var(--line-dark);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow-sm);
}

.guide-toc p { margin-bottom: 8px; }
.guide-toc a { padding: 9px 10px; border-radius: 9px; color: var(--muted-dark); font-family: var(--display); font-size: 14px; font-weight: 700; text-decoration: none; }
.guide-toc a:hover,
.guide-toc a.is-active { background: var(--sun); color: var(--ink); }

.guide-content { min-width: 0; }
.guide-section { scroll-margin-top: 112px; padding: 0 0 110px; }
.guide-section + .guide-section { padding-top: 12px; border-top: 2px dashed rgba(38, 32, 26, 0.3); }

.guide-section-head { max-width: 820px; padding-top: 44px; }
.guide-section:first-child .guide-section-head { padding-top: 0; }
.guide-section-head h2 { margin: 12px 0 0; font-size: clamp(38px, 5vw, 62px); letter-spacing: -0.035em; line-height: 0.98; }
.guide-section-head > p { max-width: 700px; margin: 18px 0 0; color: var(--muted-dark); font-size: 17px; line-height: 1.6; }

.key-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 36px;
}

.key-grid article {
  min-height: 210px;
  padding: 24px;
  border: var(--line-dark);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.key-grid article:nth-child(2) { background: var(--sun); transform: rotate(0.5deg); }
.key-grid article:nth-child(3) { background: var(--rose); transform: rotate(-0.5deg); }
.key-grid article:nth-child(4) { background: var(--sky); }
.key-grid h3 { margin-top: 28px; font-size: 24px; }
.key-grid p { margin: 8px 0 0; color: var(--muted-dark); line-height: 1.55; }

.tip-card {
  margin-top: 24px;
  padding: 20px 22px;
  border: var(--line-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.tip-card p { margin: 8px 0 0; line-height: 1.6; }
.tip-card-sky { background: var(--sky); }
.tip-card-rose { background: var(--rose); }
.tip-card-sun { background: var(--sun); }

.instruction-list { display: grid; gap: 14px; margin: 36px 0 0; padding: 0; list-style: none; }
.instruction-list li { display: grid; grid-template-columns: 58px 1fr; gap: 18px; align-items: start; padding: 24px; border: var(--line-dark); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow-sm); }
.instruction-list li > span { display: grid; width: 50px; height: 50px; border: var(--line-dark); border-radius: 50%; background: var(--sun); font: 800 22px var(--display); place-items: center; }
.instruction-list li:nth-child(2) > span { background: var(--rose); }
.instruction-list li:nth-child(3) > span { background: var(--sky); }
.instruction-list h3 { font-size: 21px; }
.instruction-list p { margin: 7px 0 0; color: var(--muted-dark); line-height: 1.6; }
.instruction-list kbd { min-width: 28px; min-height: 26px; padding: 2px 5px; font-size: 11px; }
.instruction-list-compact li { padding-block: 19px; }

.scale-workbench {
  display: grid;
  grid-template-columns: minmax(250px, 0.86fr) minmax(300px, 1.14fr);
  gap: 30px;
  align-items: center;
  margin-top: 36px;
  padding: 28px;
  border: var(--line-dark);
  border-radius: 18px;
  background: var(--watch-paper);
  box-shadow: 6px 6px 0 var(--ink);
  overflow: hidden;
}

.scale-preview-wrap { display: grid; min-height: 340px; border: var(--line-dark); border-radius: var(--radius); background: radial-gradient(circle at 1px 1px, rgba(38, 32, 26, 0.14) 1px, transparent 0) 0 0 / 15px 15px, var(--sky); place-items: center; overflow: hidden; }
.scale-preview-wrap img { --demo-scale: 1; width: min(280px, 78%); border: var(--line-dark); border-radius: 18px; box-shadow: var(--shadow); transform: scale(var(--demo-scale)) rotate(-1deg); transition: transform 220ms cubic-bezier(.34, 1.56, .64, 1); }
.scale-controls { min-width: 0; }
.scale-controls output { display: block; margin: 14px 0 18px; font: 800 clamp(62px, 8vw, 100px)/0.9 var(--display); letter-spacing: -0.04em; }
.scale-controls input { width: 100%; min-height: 44px; accent-color: var(--accent); }
.scale-controls > div { display: flex; justify-content: space-between; margin-top: 10px; color: var(--muted-dark); font: 700 9px var(--pixel); text-transform: uppercase; }

.games-primer { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.games-primer > div { display: flex; align-items: center; gap: 7px; padding: 12px; border: var(--line-dark); border-radius: 12px; background: var(--card); box-shadow: 2px 2px 0 var(--ink); }
.games-primer p { margin: 0 0 0 5px; color: var(--muted-dark); font: 700 9px var(--pixel); text-transform: uppercase; }
.games-primer kbd { min-width: 30px; min-height: 28px; font-size: 11px; }

.game-guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.game-card { border: var(--line-dark); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow-sm); overflow: hidden; }
.game-card:nth-child(3n + 1) { background: var(--sun); }
.game-card:nth-child(3n + 2) { background: var(--rose); }
.game-card:nth-child(3n) { background: var(--sky); }
.game-card summary { display: grid; grid-template-columns: 32px 1fr; column-gap: 10px; align-items: center; min-height: 82px; padding: 15px 17px; cursor: pointer; list-style: none; }
.game-card summary::-webkit-details-marker { display: none; }
.game-card summary > span { grid-row: 1 / 3; color: var(--muted-dark); font: 700 10px var(--pixel); }
.game-card summary strong { font: 800 21px var(--display); }
.game-card summary small { color: var(--muted-dark); font: 700 8px var(--pixel); letter-spacing: 0.08em; }
.game-card summary::after { grid-column: 3; grid-row: 1 / 3; content: "+"; font: 800 24px var(--display); }
.game-card[open] summary::after { content: "–"; }
.game-card p { margin: 0; padding: 0 17px 18px 59px; border-top: 2px dashed rgba(38, 32, 26, 0.35); color: var(--muted-dark); line-height: 1.55; }
.game-card p::before { display: block; height: 13px; content: ""; }
.game-card kbd { min-width: 28px; min-height: 26px; padding: 2px 5px; background: rgba(255, 253, 247, 0.75); font-size: 11px; box-shadow: 1px 1px 0 var(--ink); }

.shortcut-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 34px 0 0; }
.shortcut-grid div { display: grid; grid-template-columns: 54px 1fr; align-items: center; border: var(--line-dark); border-radius: 12px; background: var(--card); box-shadow: 2px 2px 0 var(--ink); overflow: hidden; }
.shortcut-grid dt { display: grid; min-height: 58px; border-right: var(--line-dark); background: var(--sun); font: 800 22px var(--display); place-items: center; }
.shortcut-grid dd { margin: 0; padding: 10px 14px; font: 700 16px var(--display); }

.faq-list { display: grid; gap: 12px; margin-top: 34px; }
.faq-list details { border: var(--line-dark); border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow-sm); overflow: hidden; }
.faq-list summary { padding: 18px 20px; cursor: pointer; font: 800 18px var(--display); }
.faq-list p { margin: 0; padding: 0 20px 20px; color: var(--muted-dark); line-height: 1.6; }
.guide-support-button { margin-top: 26px; }

.guide-footer { width: var(--page); border: var(--line-dark); border-bottom: 0; border-radius: 22px 22px 0 0; background: var(--ink); }
.guide-footer .brand-mark { background: var(--sun); color: var(--ink); }

@media (max-width: 980px) {
  .guide-hero { grid-template-columns: 1fr; }
  .guide-hero-card { max-width: 480px; justify-self: center; }
  .guide-layout { grid-template-columns: 1fr; }
  .guide-toc { position: static; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .guide-toc p { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .guide-shell { padding-top: 88px; }
  .guide-hero { min-height: 0; padding: 56px 20px 40px; border-radius: 18px; box-shadow: 5px 5px 0 var(--ink); }
  .guide-hero h1 { font-size: clamp(52px, 16vw, 72px); }
  .guide-jumps { display: grid; }
  .guide-layout { padding: 56px 4px 90px; }
  .guide-toc { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-section { padding-bottom: 86px; }
  .key-grid,
  .game-guide-grid,
  .shortcut-grid { grid-template-columns: 1fr; }
  .scale-workbench { grid-template-columns: 1fr; padding: 18px; }
  .scale-preview-wrap { min-height: 310px; }
  .instruction-list li { grid-template-columns: 46px 1fr; gap: 13px; padding: 18px 16px; }
  .instruction-list li > span { width: 42px; height: 42px; }
  .guide-section-head h2 { font-size: clamp(38px, 12vw, 54px); }
  .game-card p { padding-left: 17px; }
}

@media (max-width: 420px) {
  .guide-hero-card { padding-inline: 18px; }
  .guide-toc { grid-template-columns: 1fr; }
  .guide-toc p { grid-column: auto; }
  .games-primer { display: grid; }
  .games-primer > div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  .scale-preview-wrap img { transition: none; }
}