.guide-main { padding-top: 28px; }
.guide-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
.guide-breadcrumb a { text-underline-offset: 3px; }
.guide-heading { max-width: 860px; padding-block: 48px 58px; }
.guide-heading h1 { max-width: 850px; font-size: clamp(34px, 4.1vw, 52px); line-height: 1.2; }
.guide-heading .hero-intro { max-width: 730px; }
.guide-heading .hero-note { font-size: 12px; }
.guide-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 58px; align-items: start; }
.guide-toc { position: sticky; top: 24px; padding: 23px 21px; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.guide-toc h2 { font-size: 17px; letter-spacing: -.01em; }
.guide-toc ol { margin: 16px 0 0; padding-left: 20px; color: var(--muted); font-size: 13px; }
.guide-toc li + li { margin-top: 13px; }
.guide-toc a { text-decoration: none; }
.guide-toc a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.guide-content { min-width: 0; font-size: 16px; }
.guide-content h2 { font-size: clamp(23px, 2.4vw, 29px); line-height: 1.35; letter-spacing: -.025em; }
.guide-content p { margin-top: 17px; color: #53655d; overflow-wrap: anywhere; }
.guide-content p a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.guide-content strong { color: var(--ink); font-weight: 650; }
.guide-content section { margin-top: 40px; padding-top: 34px; border-top: 1px solid var(--line); }
.guide-example { padding: 24px 28px; border: 1px solid #d8e4dc; border-radius: 11px; background: var(--soft); }
.guide-example h2 { font-size: 19px; }
.guide-example p { margin-top: 11px; font-size: 14px; }
.guide-table-wrap { max-width: 100%; margin-top: 25px; }
.guide-table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 14px; font-variant-numeric: tabular-nums; }
.guide-table caption { padding-bottom: 12px; text-align: left; color: var(--accent); font-size: 13px; font-weight: 650; }
.guide-table th, .guide-table td { padding: 13px 16px; border-bottom: 1px solid var(--line); text-align: right; vertical-align: top; overflow-wrap: anywhere; }
.guide-table th:first-child { width: 46%; text-align: left; }
.guide-table thead { background: var(--soft); }
.guide-table thead th { font-size: 12px; font-weight: 650; }
.guide-table tbody th { font-weight: 500; }
.guide-note { margin-top: 24px; padding: 18px 22px; border-left: 3px solid var(--accent); background: var(--soft); font-size: 14px; }
.guide-note p { margin-top: 7px; }
.guide-content .guide-equation { margin-block: 25px; padding: 17px 20px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: 17px; }
.guide-closing { width: 100%; margin-top: 62px; }

@media (max-width: 1000px) {
  .guide-layout { grid-template-columns: 195px minmax(0, 1fr); gap: 32px; }
  .guide-toc { padding: 20px 16px; }
}

@media (max-width: 760px) {
  .guide-main { padding-top: 22px; }
  .guide-heading { padding-block: 34px 36px; }
  .guide-heading h1 { font-size: clamp(32px, 7vw, 43px); }
  .guide-heading .hero-note { font-size: 11px; }
  .guide-layout { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .guide-toc { position: static; padding: 22px 25px; }
  .guide-toc li + li { margin-top: 10px; }
  .guide-content { font-size: 15px; }
  .guide-example { padding: 22px; }
  .guide-content section { margin-top: 32px; padding-top: 28px; }
  .guide-table { font-size: 12px; }
  .guide-table th, .guide-table td { padding: 11px 7px; }
  .guide-table th:first-child { width: 44%; }
  .guide-note { padding: 17px 18px; }
  .guide-content .guide-equation { padding: 15px 16px; font-size: 15px; }
  .guide-closing { margin-top: 40px; }
}