.detail-page .site-header { position: sticky; }
.detail-page .desktop-nav .is-current { color: var(--cg-accent); }
.detail-page .brand { min-height: 44px; }
.detail-breadcrumb { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding-top: 24px; color: var(--cg-muted); font-size: 14px; }
.detail-breadcrumb a { border-bottom: 1px solid currentColor; }
.detail-hero { padding: 64px 0 88px; }
.detail-hero-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 64px; align-items: end; }
.detail-hero h1 { max-width: 760px; font-size: 62px; }
.detail-hero h1 span { display: block; }
.detail-hero .lead { max-width: 700px; margin-bottom: 0; }
.detail-hero-note { padding-top: 16px; border-top: 1px solid var(--cg-ink); }
.detail-hero-note strong { display: block; margin-bottom: 12px; font-size: 20px; font-weight: 500; }
.detail-hero-note p { margin: 0; color: var(--cg-muted); }
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 24px; color: var(--cg-muted); font-size: 13px; }
.detail-tags span { padding-top: 8px; border-top: 1px solid var(--cg-line); }
.detail-visual { margin-top: 32px; padding: 18px 0 0; border-top: 1px solid var(--cg-line); }
.detail-visual svg { display: block; width: 100%; height: 250px; overflow: visible; color: var(--cg-node-muted); }
.detail-visual text { fill: var(--cg-muted); font: 400 13px/1 var(--cg-font); }
.detail-visual .detail-guide, .detail-visual .detail-boundary, .detail-visual .detail-window { fill: none; stroke: var(--cg-accent-light); stroke-width: 1.2; }
.detail-visual .detail-guide { stroke-dasharray: 5 7; }
.detail-visual .detail-active { color: var(--cg-accent); fill: var(--cg-accent); stroke: var(--cg-accent); }
.detail-visual .detail-exit { color: var(--cg-stop); stroke: var(--cg-stop); }
.detail-visual-caption { margin: 12px 0 0; color: var(--cg-muted); font-size: 13px; }
.detail-section { padding-block: 96px; }
.detail-section.soft { background: var(--cg-accent-soft); }
.detail-section-heading { display: grid; grid-template-columns: 7fr 5fr; gap: 32px; align-items: end; margin-bottom: 48px; }
.detail-section-heading > p { max-width: 520px; margin: 0 0 8px auto; color: var(--cg-muted); }
.detail-section-heading h2 { max-width: 720px; }
.detail-section-heading h2 span { display: block; }
.detail-records { border-top: 1px solid var(--cg-ink); }
.detail-record { display: grid; grid-template-columns: 3fr 9fr; gap: 32px; padding: 24px 0; border-bottom: 1px solid var(--cg-line); }
.detail-record-label { color: var(--cg-accent); font-size: 12px; }
.detail-record h3 { margin: 0 0 8px; font-size: 24px; }
.detail-record p { max-width: 760px; margin: 0; color: var(--cg-muted); }
.detail-note { max-width: 760px; margin: 24px 0 0 auto; color: var(--cg-muted); font-size: 14px; }
.detail-check-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; border-top: 1px solid var(--cg-ink); }
.detail-check { min-width: 0; padding: 22px 0 0; border-bottom: 1px solid var(--cg-line); }
.detail-check strong { display: block; margin-bottom: 8px; font-size: 19px; font-weight: 500; }
.detail-check p { margin: 0 0 22px; color: var(--cg-muted); }
.detail-flow-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 24px; border-top: 1px solid var(--cg-ink); }
.detail-flow-step { position: relative; min-height: 126px; padding: 20px 18px 20px 0; border-bottom: 1px solid var(--cg-line); }
.detail-flow-step:not(:nth-child(4n + 1)) { padding-left: 18px; }
.detail-flow-step:not(:nth-child(4n))::after { position: absolute; top: 38px; right: -14px; width: 8px; height: 8px; border-top: 1px solid var(--cg-accent); border-right: 1px solid var(--cg-accent); content: ""; transform: rotate(45deg); }
.detail-flow-step span { display: block; margin-bottom: 12px; color: var(--cg-accent); font-size: 12px; }
.detail-flow-step strong { display: block; font-size: 18px; font-weight: 500; }
.detail-flow-step p { margin: 6px 0 0; color: var(--cg-muted); font-size: 14px; line-height: 1.6; }
.detail-delivery-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 64px; align-items: start; }
.detail-delivery-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--cg-ink); }
.detail-delivery-list li { display: grid; grid-template-columns: 30px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--cg-line); }
.detail-delivery-list li::before { color: var(--cg-accent); content: "＋"; }
.detail-boundary { padding-top: 18px; border-top: 1px solid var(--cg-ink); }
.detail-boundary h3 { margin-bottom: 12px; font-size: 24px; }
.detail-boundary p { margin: 0; color: var(--cg-muted); }
.detail-limit-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; border-top: 1px solid var(--cg-ink); }
.detail-limit { display: grid; grid-template-columns: 150px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--cg-line); }
.detail-limit strong { font-size: 15px; font-weight: 500; }
.detail-limit p { margin: 0; color: var(--cg-muted); }
.detail-service-list { border-top: 1px solid var(--cg-ink); }
.detail-service-item { display: grid; grid-template-columns: 3fr 5fr 4fr; gap: 32px; align-items: start; padding: 24px 0; border-bottom: 1px solid var(--cg-line); }
.detail-service-item > span { color: var(--cg-accent); font-size: 12px; }
.detail-service-item h3 { margin: 0 0 6px; font-size: 23px; }
.detail-service-item p { margin: 0; color: var(--cg-muted); }
.detail-service-item .detail-service-scope { font-size: 14px; line-height: 1.7; }
.detail-faq { max-width: 960px; }
.detail-faq details { padding: 22px 0; border-top: 1px solid var(--cg-line); }
.detail-faq summary { display: flex; min-height: 44px; justify-content: space-between; align-items: center; gap: 24px; cursor: pointer; font-size: 19px; list-style: none; }
.detail-faq summary::-webkit-details-marker { display: none; }
.detail-faq summary::after { color: var(--cg-accent); content: "+"; font-size: 25px; font-weight: 400; }
.detail-faq details[open] summary::after { content: "−"; }
.detail-faq details p { max-width: 800px; padding-top: 14px; color: var(--cg-muted); }
.detail-cta { background: var(--cg-dark); color: var(--cg-on-dark); }
.detail-cta .detail-section-heading > p, .detail-cta .detail-note { color: var(--cg-dark-muted); }
.detail-cta .eyebrow { color: var(--cg-dark-muted); }
.detail-cta .btn-text { color: var(--cg-on-dark); }
.detail-next { border-top: 1px solid var(--cg-dark-line); }
.detail-next-item { display: grid; grid-template-columns: 34px 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--cg-dark-line); }
.detail-next-item span { color: var(--cg-dark-muted); font-size: 12px; }
.detail-next-item p { margin: 0; }
.detail-cta .detail-note { margin: 24px 0 0; }
.detail-cta .actions { margin-top: 32px; }

@media (max-width: 1000px) {
  .detail-hero-grid, .detail-delivery-grid { gap: 40px; }
  .detail-flow-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-flow-step:not(:nth-child(4n + 1)) { padding-left: 0; }
  .detail-flow-step:nth-child(2n) { padding-left: 18px; }
  .detail-flow-step:not(:nth-child(2n))::after { right: -14px; }
  .detail-flow-step:nth-child(4n)::after { display: none; }
  .detail-service-item { grid-template-columns: 2fr 5fr 5fr; gap: 24px; }
}

@media (max-width: 900px) {
  .detail-hero-grid, .detail-section-heading, .detail-delivery-grid { grid-template-columns: 1fr; gap: 24px; }
  .detail-hero { padding: 56px 0 72px; }
  .detail-hero h1 { font-size: 52px; }
  .detail-section { padding-block: 72px; }
  .detail-section-heading { margin-bottom: 32px; }
  .detail-section-heading > p { margin: 0; }
  .detail-check-grid { grid-template-columns: 1fr 1fr; }
  .detail-limit-list { gap: 0 32px; }
  .detail-service-item { grid-template-columns: 2fr 5fr 5fr; }
}

@media (max-width: 700px) {
  .detail-breadcrumb { padding-top: 16px; }
  .detail-hero { padding: 48px 0 64px; }
  .detail-hero h1 { font-size: 42px; line-height: 1.1; }
  .detail-hero .lead { font-size: 16px; line-height: 1.6; }
  .detail-visual svg { height: 210px; }
  .detail-section { padding-block: 64px; }
  .detail-section-heading h2 { font-size: 32px; }
  .detail-section-heading > p { font-size: 16px; }
  .detail-record { grid-template-columns: 1fr; gap: 8px; padding: 20px 0; }
  .detail-check-grid, .detail-limit-list, .detail-flow-list { grid-template-columns: 1fr; }
  .detail-check-grid { gap: 0; }
  .detail-flow-step, .detail-flow-step:nth-child(2n) { min-height: 0; padding: 18px 0; }
  .detail-flow-step:not(:nth-child(2n))::after, .detail-flow-step:not(:nth-child(4n))::after { display: none; }
  .detail-flow-step + .detail-flow-step { border-top: 0; }
  .detail-delivery-grid { gap: 40px; }
  .detail-limit { grid-template-columns: 120px 1fr; gap: 12px; }
  .detail-service-item { grid-template-columns: 1fr; gap: 8px; }
  .detail-faq summary { font-size: 17px; }
  .detail-next { margin-top: 8px; }
}

@media (max-width: 430px) {
  .detail-hero h1 span, .detail-section-heading h2 span { display: block; }
  .detail-hero h1 { font-size: 38px; }
  .detail-tags { gap: 8px 12px; }
  .detail-visual svg { height: 190px; }
}

@media (max-width: 350px) {
  .detail-hero h1 { font-size: 34px; }
  .detail-limit { grid-template-columns: 1fr; gap: 4px; }
}