.guide-hero {
    padding-top: calc(var(--header-height) + 64px);
    padding-bottom: 56px;
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(32px, 5vw, 80px);
}
.guide-hero h1 { margin: 20px 0 28px; font-family: var(--serif); font-weight: 500; font-size: clamp(32px, 3.5vw, 54px); line-height: 1.35; text-wrap: balance; }
.guide-byline { font-size: 13px; line-height: 1.8; color: var(--wood); }
.guide-hero figure { margin: 0; }
.guide-hero img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; outline: 1px solid rgba(0, 0, 0, 0.1); outline-offset: -1px; }
.guide-layout { display: grid; grid-template-columns: minmax(180px, 0.8fr) minmax(0, 2fr); gap: clamp(36px, 6vw, 96px); padding-top: 48px; padding-bottom: 96px; border-top: 1px solid var(--menu-rule); align-items: start; }
.guide-sidebar { position: sticky; top: calc(var(--header-height) + 28px); max-height: calc(100vh - var(--header-height) - 56px); overflow-y: auto; }
.guide-sidebar ol { list-style: decimal-leading-zero; padding-left: 28px; margin: 24px 0 0; color: var(--wood); }
.guide-sidebar li { padding-left: 4px; font-size: 13px; line-height: 1.65; }
.guide-sidebar a { display: block; padding: 10px 4px; min-height: 44px; text-decoration: none; }
.guide-sidebar a:hover { color: var(--red); text-decoration: underline; text-underline-offset: 4px; }
.guide-body { min-width: 0; max-width: 780px; font-size: 16px; line-height: 1.9; overflow-wrap: break-word; }
.guide-body > p:first-child { margin-top: 0; font-size: 19px; line-height: 1.85; }
.guide-body h2 { margin: 52px 0 20px; font-family: var(--serif); font-size: clamp(23px, 2.2vw, 30px); font-weight: 500; line-height: 1.5; text-wrap: balance; scroll-margin-top: calc(var(--header-height) + 24px); }
.guide-body p, .guide-body li { text-wrap: pretty; }
.guide-body a { color: var(--red); text-underline-offset: 4px; text-decoration-thickness: 1px; }
.guide-body a:hover { text-decoration-thickness: 2px; }
.guide-body li { margin: 10px 0; }
.guide-table { overflow-x: auto; margin: 28px 0; }
.guide-table table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.65; text-align: left; }
.guide-table th, .guide-table td { padding: 16px 12px; border-bottom: 1px solid var(--menu-rule); vertical-align: top; }
.guide-table th { font-weight: 700; background: var(--paper-bright); }
.guide-table td:nth-child(2) { white-space: nowrap; font-variant-numeric: tabular-nums; }
.guide-page a:focus-visible, .guide-table:focus-visible { outline: 2px solid var(--red); outline-offset: 4px; }
html:lang(ja) .guide-body { line-height: 2; }
html:lang(ja) .guide-hero h1 { font-size: clamp(28px, 3vw, 44px); line-height: 1.6; }
@media (max-width: 980px) {
    .guide-layout { grid-template-columns: minmax(0, 1fr); gap: 36px; }
    .guide-page .nav-actions { flex-wrap: wrap; }
    .guide-sidebar { position: static; max-height: none; }
    .guide-sidebar ol { columns: 2; column-gap: 32px; }
    .guide-sidebar li { break-inside: avoid; }
    .guide-body { max-width: none; }
}
@media (max-width: 600px) {
    .guide-hero { grid-template-columns: 1fr; padding-top: calc(var(--header-height) + 36px); padding-bottom: 32px; gap: 20px; }
    .guide-hero img { aspect-ratio: 3 / 2; }
    .guide-sidebar ol { columns: 1; }
    .guide-layout { padding-top: 32px; padding-bottom: 64px; }
    .guide-body { font-size: 15px; }
    .guide-body > p:first-child { font-size: 17px; }
    .guide-table table { min-width: 480px; }
}