.detail-hero { padding-block: 32px 72px; }
.breadcrumbs { display: flex; gap: 12px; font-size: .75rem; color: var(--muted); margin-bottom: 48px; }
.breadcrumbs a { display: inline-flex; min-height: 44px; align-items: center; }
.breadcrumbs > span { display: flex; align-items: center; }
.breadcrumbs a:hover { color: var(--blue); }
.detail-hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: center; }
.detail-hero h1 { font-size: clamp(2.5rem,4.35vw,4.5rem); line-height: 1.22; letter-spacing: -.045em; margin-top: 24px; }
.detail-hero .eyebrow { color: var(--blue); }
.detail-lead { margin-top: 28px; font-size: 1.0625rem; max-width: 560px; line-height: 1.9; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 24px; font-size: .75rem; color: var(--muted); }
.detail-tags span { padding-bottom: 4px; border-bottom: 1px solid var(--line); }
.detail-primary { display: inline-flex; gap: 48px; justify-content: space-between; align-items: center; min-height: 52px; padding: 12px 24px; color: var(--white); background: var(--blue); margin-top: 32px; font-size: .875rem; }
.detail-primary:hover { background: var(--blue-dark); }
.detail-primary span { font-size: 1.5rem; }
.detail-primary:focus-visible { outline-color: var(--ink); }
.detail-photo img { width: 100%; height: auto; aspect-ratio: 1.2; object-fit: cover; object-position: 62% center; }
.detail-photo figcaption { padding-top: 12px; font-size: .6875rem; color: var(--muted); }
.detail-body { display: grid; grid-template-columns: 200px minmax(0,1fr); gap: 80px; align-items: start; border-top: 1px solid var(--ink); }
.detail-toc { position: sticky; top: 120px; padding-top: 40px; }
.detail-toc > p { font-size: .6875rem; color: var(--muted); margin-bottom: 16px; }
.detail-toc > a { min-height: 44px; display: flex; align-items: center; gap: 16px; font-size: .8125rem; }
.detail-toc > a:hover { color: var(--blue); }
.detail-toc a span { font-family: Consolas,monospace; font-size: .625rem; color: var(--blue); }
.detail-toc .toc-home { margin-top: 32px; font-size: .6875rem; border-top: 1px solid var(--line); padding-top: 12px; }
.detail-reading { min-width: 0; max-width: 940px; }
.detail-section { padding-block: 64px; border-bottom: 1px solid var(--line); scroll-margin-top: 96px; }
.detail-section h2 { font-size: clamp(1.75rem,2.8vw,2.5rem); line-height: 1.4; margin-top: 16px; letter-spacing: -.035em; }
.detail-section > p:not(.eyebrow) { margin-top: 24px; line-height: 1.95; font-size: 1rem; }
.detail-section .eyebrow { color: var(--blue); font-size: .625rem; }
.detail-section .section-deck { color: var(--muted); }
.business-question { padding: 24px 28px; border-left: 3px solid var(--blue); background: var(--soft); font-size: 1.25rem !important; line-height: 1.7 !important; }
.business-flow { list-style: none; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); margin-top: 32px; border-top: 1px solid var(--ink); }
.business-flow li { display: flex; gap: 16px; padding: 24px 24px 24px 0; border-bottom: 1px solid var(--line); }
.business-flow li:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--line); }
.business-flow li > span { font: .6875rem/1.8 Consolas,monospace; color: var(--blue); }
.business-flow h3 { font-size: 1rem; font-weight: 550; }
.business-flow p { margin-top: 8px; color: var(--muted); font-size: .8125rem; line-height: 1.8; }
.detail-section .flow-caption { font-size: .75rem !important; color: var(--muted); margin-top: 16px !important; }
.deep-scenarios { margin-top: 36px; }
.deep-scenario { display: grid; grid-template-columns: 40px minmax(0,1fr); gap: 20px; padding-block: 32px; border-top: 1px solid var(--line); }
.scenario-number { font: .75rem/1.8 Consolas,monospace; color: var(--blue); }
.deep-scenario .scenario-label { color: var(--muted); font-size: .6875rem; margin-bottom: 8px; }
.deep-scenario h3 { font-size: 1.375rem; line-height: 1.5; letter-spacing: -.02em; font-weight: 550; }
.deep-scenario p:not(.scenario-label) { margin-top: 16px; font-size: .9375rem; line-height: 1.95; }
.check-point { margin-top: 24px; padding: 20px 24px; background: var(--soft); }
.check-point strong { font-weight: 600; font-size: .75rem; color: var(--blue); }
.check-point p { margin-top: 8px !important; font-size: .8125rem !important; }
.work-sequence { list-style: none; margin-top: 32px; }
.work-sequence li { display: grid; grid-template-columns: 40px minmax(0,1fr); gap: 20px; padding-block: 24px; border-top: 1px solid var(--line); }
.work-sequence li > span { font: .6875rem/1.8 Consolas,monospace; color: var(--blue); }
.work-sequence h3 { font-size: 1.125rem; font-weight: 550; }
.work-sequence p { color: var(--muted); font-size: .9375rem; line-height: 1.9; margin-top: 8px; }
.output-list { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 32px; }
.output-list > div { padding-top: 20px; border-top: 2px solid var(--blue); }
.output-list h3 { font-size: 1rem; font-weight: 550; }
.output-list p { font-size: .875rem; line-height: 1.85; margin-top: 12px; color: var(--muted); }
.detail-section .case-scope-note { font-size: .75rem !important; color: var(--muted); margin-top: 40px !important; border-top: 1px solid var(--line); padding-top: 20px; }
.detail-related h2 { margin-top: 0; margin-bottom: 24px; }
.related-link { display: flex; align-items: center; justify-content: space-between; gap: 32px; border-top: 1px solid var(--line); padding-block: 24px; min-height: 72px; }
.related-link > span { font-size: 1.75rem; color: var(--blue); }
.related-link div > span { font-weight: 550; font-size: 1rem; }
.related-link p { margin-top: 8px; font-size: .8125rem; color: var(--muted); line-height: 1.8; }
.related-link:hover div > span { color: var(--blue); }
.detail-faq { border-bottom: 0; }
.detail-faq h2 { margin-top: 0; margin-bottom: 24px; }
.detail-faq details { border-top: 1px solid var(--line); padding-block: 8px; }
.detail-faq summary { display: flex; justify-content: space-between; gap: 24px; align-items: center; min-height: 52px; cursor: pointer; list-style: none; font-size: .9375rem; }
.detail-faq summary > span { font-size: 1.25rem; }
.detail-faq details[open] summary > span { transform: rotate(45deg); }
.detail-faq details > p { font-size: .875rem; line-height: 1.9; padding: 8px 40px 24px 0; color: var(--muted); }
.detail-contact { padding-block: 64px 72px; background: var(--ink); color: var(--white); margin-top: 48px; }
.detail-contact .eyebrow { color: #c6c9e4; }
.detail-contact h2 { margin-top: 20px; font-size: clamp(2rem,3.6vw,3.25rem); }
.detail-contact p:not(.eyebrow) { margin-top: 20px; font-size: .9375rem; color: #d1d1cc; }
.detail-contact .detail-primary { background: var(--paper); color: var(--ink); }
.detail-contact .detail-primary:hover { background: var(--white); }
.detail-contact .detail-primary:focus-visible { outline-color: var(--white); }
.knowledge-map { padding: 32px; background: var(--blue); color: var(--white); }
.map-title { font-size: .75rem; padding-bottom: 24px; border-bottom: 1px solid #a6b5ff; }
.map-step { display: grid; grid-template-columns: 28px minmax(0,1fr); gap: 12px; padding-block: 24px; border-bottom: 1px solid #a6b5ff; }
.map-step > span { font: .625rem/1.8 Consolas,monospace; }
.map-step strong { font-size: 1rem; font-weight: 550; }
.map-step p { font-size: .8125rem; color: #e1e6ff; margin-top: 8px; line-height: 1.8; }
.map-footer { font-size: .6875rem; margin-top: 24px; line-height: 1.8; }
.example-tabs { display: none; }
.js .example-tabs { display: flex; gap: 8px; margin-top: 32px; flex-wrap: wrap; }
.example-tabs button { background: transparent; border: 1px solid var(--ink); color: var(--ink); padding: 12px 20px; min-height: 48px; font-size: .8125rem; }
.example-tabs button[aria-selected="true"] { background: var(--ink); color: var(--white); }
.example-panel { padding: 28px; background: var(--soft); margin-top: 16px; }
.example-panel[hidden] { display: none; }
.example-kind { font-size: .6875rem; color: var(--blue); }
.example-panel h3 { font-size: 1.25rem; line-height: 1.5; margin-top: 12px; }
.example-panel dl { margin: 24px 0 0; }
.example-panel dl > div { display: grid; grid-template-columns: 88px minmax(0,1fr); gap: 20px; padding-block: 16px; border-top: 1px solid var(--line); }
.example-panel dt { font-size: .75rem; font-weight: 550; }
.example-panel dd { font-size: .875rem; line-height: 1.9; margin: 0; }
.example-panel .example-note { font-size: .75rem; color: var(--muted); margin-top: 20px; }
@media(max-width:1100px) {
 .detail-hero-grid { gap: 40px; }
 .detail-body { grid-template-columns: 160px minmax(0,1fr); gap: 40px; }
 .detail-hero h1 { font-size: 2.875rem; }
 .detail-photo img { aspect-ratio: .85; }
}
@media(max-width:800px) {
 .detail-hero { padding-bottom: 48px; }
 .breadcrumbs { margin-bottom: 24px; }
 .detail-hero-grid { grid-template-columns: 1fr; gap: 32px; }
 .detail-hero h1 { font-size: clamp(2.25rem,7.2vw,3rem); margin-top: 20px; }
 .detail-lead { font-size: 1rem; margin-top: 24px; max-width: none; }
 .detail-photo img { aspect-ratio: 2 / 1; object-position: center; }
 .detail-photo figcaption { font-size: .625rem; }
 .detail-tags { font-size: .6875rem; gap: 8px 16px; }
 .detail-primary { padding: 12px 20px; gap: 32px; margin-top: 24px; }
 .detail-body { display: block; }
 .detail-toc { position: static; display: flex; flex-wrap: wrap; gap: 4px 20px; padding-block: 20px; border-bottom: 1px solid var(--line); }
 .detail-toc > p { flex-basis: 100%; margin-bottom: 4px; }
 .detail-toc > a { gap: 8px; font-size: .75rem; }
 .detail-toc .toc-home { margin: 0; padding: 0; border: 0; font-size: .6875rem; }
 .detail-section { padding-block: 40px; scroll-margin-top: 88px; }
 .detail-section h2 { font-size: 1.75rem; margin-top: 12px; }
 .detail-section > p:not(.eyebrow) { font-size: .9375rem; line-height: 1.9; margin-top: 20px; }
 .business-question { font-size: 1.0625rem !important; padding: 20px; }
 .deep-scenario { grid-template-columns: 24px minmax(0,1fr); gap: 12px; padding-block: 28px; }
 .deep-scenario h3 { font-size: 1.25rem; }
 .deep-scenario p:not(.scenario-label) { font-size: .875rem; }
 .check-point { padding: 16px 20px; }
 .work-sequence li { grid-template-columns: 24px minmax(0,1fr); gap: 12px; }
 .work-sequence p { font-size: .875rem; }
 .output-list { gap: 24px; }
 .output-list p { font-size: .8125rem; }
 .detail-contact { padding-block: 48px; margin-top: 24px; }
 .detail-contact h2 { font-size: 2rem; }
 .knowledge-map { padding: 24px; }
 .map-step { padding-block: 20px; }
 .example-panel { padding: 24px; }
 .example-panel dl > div { grid-template-columns: 72px minmax(0,1fr); gap: 16px; }
}
@media(max-width:500px) {
 .detail-hero { padding-top: 16px; }
 .detail-hero h1 { font-size: 2.25rem; }
 .detail-lead { font-size: .9375rem; }
 .business-flow { grid-template-columns: 1fr; }
 .business-flow li, .business-flow li:nth-child(even) { border-left: 0; padding: 20px 0; }
 .business-flow h3 { font-size: .9375rem; }
 .deep-scenario { display: block; }
 .scenario-number { margin-bottom: 8px; }
 .output-list { grid-template-columns: 1fr; }
 .related-link { gap: 20px; }
 .related-link div > span { font-size: .9375rem; }
 .detail-faq summary { font-size: .875rem; }
 .example-panel { padding: 20px; }
 .example-panel dl > div { display: block; }
 .example-panel dd { margin-top: 8px; font-size: .8125rem; }
 .example-panel h3 { font-size: 1.125rem; }
}

@media(max-height:500px) and (orientation:landscape) { .detail-toc { position: static; } }