html { scroll-behavior: smooth; scroll-padding-top: 88px; }

.guide-main {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 64px) clamp(72px, 9vw, 112px);
}

.guide-breadcrumb {
  padding: clamp(24px, 4vw, 38px) 0 0;
}

.guide-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  color: var(--rt-ink-faint);
  font-size: 0.78rem;
  font-weight: 600;
  list-style: none;
}

.guide-breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 7px; opacity: 0.55; }
.guide-breadcrumb a { text-decoration: underline; text-underline-offset: 3px; }

.guide-hero,
.guide-toc,
.guide-section,
.guide-cta,
.guide-about {
  width: min(760px, 100%);
  margin-inline: auto;
}

.guide-hero { padding: clamp(64px, 9vw, 104px) 0 clamp(48px, 7vw, 72px); text-align: center; }
.guide-eyebrow,
.guide-stage { margin: 0 0 14px; color: var(--rt-ink-faint); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.guide-hero h1 { max-width: 15ch; margin: 0 auto 24px; font-family: var(--rt-font-display); font-size: clamp(2.35rem, 6vw, 4.7rem); line-height: 1.02; letter-spacing: -0.025em; text-wrap: balance; }
.guide-intro { margin: 0 auto 18px; color: var(--rt-ink-soft); font-size: clamp(1rem, 1.5vw, 1.16rem); font-weight: 500; line-height: 1.72; }
.guide-meta { margin: 0 0 24px; color: var(--rt-ink-faint); font-size: 0.84rem; font-weight: 600; }
.guide-back { display: inline-block; border-bottom: 1px solid var(--rt-ink-faint); padding-bottom: 2px; font-size: 0.88rem; font-weight: 700; }

.guide-toc { padding: clamp(24px, 4vw, 36px); border: 1px solid var(--rt-line); border-radius: 20px; background: var(--rt-card); box-shadow: 0 14px 32px rgba(17,18,22,.05); }
.guide-toc h2 { margin: 0 0 18px; font-family: var(--rt-font-display); font-size: 1.25rem; }
.guide-toc ol { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px 28px; margin: 0; padding: 0; list-style: none; }
.guide-toc a { color: var(--rt-ink-soft); font-size: 0.91rem; font-weight: 600; text-decoration: underline; text-decoration-color: var(--rt-line); text-underline-offset: 3px; }

.guide-section { padding-top: clamp(68px, 9vw, 104px); }
.guide-section h2,
.guide-cta h2,
.guide-about h2 { margin: 0 0 22px; font-family: var(--rt-font-display); font-size: clamp(1.65rem, 3.6vw, 2.5rem); line-height: 1.1; letter-spacing: -0.015em; text-wrap: balance; }
.guide-section > p { margin: 0 0 18px; color: var(--rt-ink-soft); font-size: clamp(.98rem, 1.25vw, 1.06rem); font-weight: 500; line-height: 1.78; }
.guide-section strong { color: var(--rt-ink); }
.guide-section a { text-decoration: underline; text-underline-offset: 3px; }
.guide-note { padding: 16px 18px; border-left: 3px solid var(--rt-amber); background: rgba(214,154,82,.08); color: var(--rt-ink-soft); }

.schedule-chain {
  display: grid;
  gap: 8px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
}

.schedule-chain li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(150px, .75fr) 1.25fr;
  gap: 20px;
  padding: 16px 18px;
  border: 1px solid var(--rt-line);
  border-radius: 12px;
  background: var(--rt-card);
}

.schedule-chain li:not(:last-child)::after {
  content: "↓";
  position: absolute;
  z-index: 1;
  left: 50%;
  bottom: -15px;
  color: var(--rt-ink-faint);
  font-weight: 700;
  transform: translateX(-50%);
}

.schedule-chain strong { font-family: var(--rt-font-display); font-size: .98rem; }
.schedule-chain span { color: var(--rt-ink-soft); font-size: .9rem; font-weight: 500; }

.checklist-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; margin-top: 28px; }
.checklist-card { padding: 22px; border: 1px solid var(--rt-line); border-radius: 16px; background: var(--rt-card); }
.checklist-card h3 { margin: 0 0 13px; font-family: var(--rt-font-display); font-size: 1rem; }
.checklist-card ul { margin: 0; padding-left: 20px; color: var(--rt-ink-soft); }
.checklist-card li { margin: 7px 0; font-size: .91rem; font-weight: 500; line-height: 1.45; }

.guide-cta { margin-top: clamp(68px, 9vw, 104px); padding: clamp(28px, 5vw, 44px); border: 1px solid var(--rt-line); border-radius: 22px; background: linear-gradient(135deg, rgba(214,154,82,.12), rgba(151,109,255,.08)), var(--rt-card); box-shadow: 0 18px 44px rgba(17,18,22,.07); }
.guide-cta h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
.guide-cta p { margin: 0 0 15px; color: var(--rt-ink-soft); font-size: .98rem; font-weight: 500; line-height: 1.68; }
.guide-cta .rt-btn { margin-top: 10px; min-width: 0; }

.guide-faq details { border-top: 1px solid var(--rt-line); }
.guide-faq details:last-child { border-bottom: 1px solid var(--rt-line); }
.guide-faq summary { padding: 20px 2px; font-weight: 700; line-height: 1.45; cursor: pointer; }
.guide-faq details p { margin: -3px 0 20px; padding-right: 28px; }

.guide-about { margin-top: clamp(72px, 10vw, 120px); padding: clamp(28px, 5vw, 42px); border-top: 1px solid var(--rt-line); border-bottom: 1px solid var(--rt-line); text-align: center; }
.guide-about h2 { font-size: clamp(1.35rem, 2.7vw, 1.8rem); }
.guide-about > p { margin: 0 auto 18px; max-width: 64ch; color: var(--rt-ink-soft); font-size: .95rem; font-weight: 500; line-height: 1.68; }
.guide-about-links { display: flex; justify-content: center; gap: 24px; }
.guide-about-links a { color: var(--rt-ink); font-weight: 700; border-bottom: 1px solid var(--rt-ink-faint); }

@media (max-width: 640px) {
  html { scroll-padding-top: 70px; }
  .guide-main { padding-inline: 20px; }
  .guide-hero { padding-top: 52px; text-align: left; }
  .guide-hero h1 { max-width: none; margin-inline: 0; }
  .guide-toc ol,
  .checklist-grid { grid-template-columns: 1fr; }
  .schedule-chain li { grid-template-columns: 1fr; gap: 5px; }
  .guide-cta .rt-btn { width: 100%; }
  .guide-about-links { align-items: center; flex-direction: column; gap: 14px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
