.site-header { position: relative; z-index: 20; background: var(--console-950); color: var(--white); box-shadow: 0 1px 0 rgba(255,255,255,.12); }
.site-header__inner {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .75rem 1.5rem;
  min-height: 76px;
  max-width: var(--content);
  margin: 0 auto;
  padding: .8rem 1.5rem;
}
.wordmark { color: var(--white); font-size: 1.72rem; font-weight: 900; letter-spacing: -.045em; text-decoration: none; }
.wordmark:hover { color: var(--white); }
.site-descriptor { padding-left: 1rem; border-left: 1px solid rgba(255,255,255,.28); color: rgba(255,255,255,.72); font-size: .78rem; font-weight: 650; letter-spacing: .04em; }
.primary-nav { display: flex; align-items: center; justify-content: flex-end; gap: .25rem; }
.primary-nav a { display: inline-flex; align-items: center; gap: .45rem; min-height: var(--touch-target); padding: .55rem .75rem; border-radius: var(--radius-sm); color: rgba(255,255,255,.84); font-size: .9rem; font-weight: 700; text-decoration: none; }
.primary-nav a:hover { background: rgba(255,255,255,.1); color: var(--white); }
.nav-icon { width: 20px; height: 20px; filter: brightness(0) invert(1); }
.relationship-bar { margin: 0; padding: .48rem 1.5rem; border-top: 1px solid rgba(255,255,255,.11); background: #043428; color: rgba(255,255,255,.7); font-size: .75rem; line-height: 1.45; text-align: center; }
.nav-toggle { display: none; min-width: var(--touch-target); border: 1px solid rgba(255,255,255,.38); border-radius: var(--radius-sm); background: transparent; color: var(--white); }
.site-footer { margin-top: var(--space-6); border-top: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: .88rem; }
.site-footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; max-width: var(--content); margin: 0 auto; padding: 2rem 1.5rem; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem 1rem; }
.site-footer a { color: var(--muted); }
.route-board { display: grid; grid-template-columns: .9fr 1.45fr .9fr; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-1); overflow: hidden; }
.route-board > * { padding: clamp(1rem, 3vw, 2.2rem); }
.route-board > * + * { border-left: 1px solid var(--line); }
.task-route { display: grid; grid-template-columns: 4rem 1fr auto; align-items: center; gap: 1rem; padding: 1.1rem 0; border-top: 1px solid var(--line); text-decoration: none; }
.task-route__number { color: var(--stop); font-family: var(--mono); font-size: 1.2rem; }
.manual-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr) 250px; gap: var(--space-4); align-items: start; }
.chapter-rail { position: sticky; top: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.safety-note { margin: var(--space-4) 0; padding: 1rem 1.1rem; border-left: 6px solid var(--stop); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: var(--stop-pale); }
.safety-note strong { display: block; color: #9c3109; }
.affiliate-strip { display: grid; grid-template-columns: 1fr 1fr auto; gap: .75rem 1rem; align-items: center; max-width: var(--content); margin: var(--space-5) auto; padding: 1rem 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.affiliate-strip strong { display: inline-block; margin: 0 .5rem; color: var(--console-950); font: 800 1.1rem var(--mono); }
.affiliate-strip small { grid-column: 1 / -1; color: var(--muted); }
.affiliate-strip--disabled { display: flex; justify-content: space-between; color: var(--muted); border-style: dashed; }
.page-home .site-header {
  background-image: url('/assets/images/patterns/route-topography.png');
  background-position: center 32%;
  background-size: cover;
}
.page-home .site-header__inner { min-height: 82px; max-width: none; padding: 0 2.25rem; }
.page-home .relationship-bar { display: none; }
.copy-status { grid-column: 1 / -1; }
.source-block { margin-top: var(--space-5); padding-top: var(--space-3); border-top: 2px solid var(--console-950); }
@media (max-width: 900px) {
  .site-header__inner { grid-template-columns: auto 1fr auto; }
  .site-descriptor { display: none; }
}
@media (max-width: 760px) {
  .site-header__inner { grid-template-columns: 1fr auto; min-height: 68px; padding-inline: 1rem; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .primary-nav { display: none; grid-column: 1 / -1; justify-content: stretch; padding: .5rem 0; }
  .primary-nav[data-open="true"] { display: grid; }
  .primary-nav a { border-top: 1px solid rgba(255,255,255,.14); border-radius: 0; }
  .relationship-bar { padding-inline: 1rem; text-align: left; }
  .site-footer__inner { display: grid; padding-inline: 1rem; }
  .site-footer nav { justify-content: flex-start; }
  .site-footer a { display: inline-grid; place-items: center; min-width: var(--touch-target); min-height: var(--touch-target); }
  .route-board { grid-template-columns: 1fr; }
  .route-board > * + * { border-left: 0; border-top: 1px solid var(--line); }
  .manual-grid { grid-template-columns: 1fr; }
  .chapter-rail { position: static; }
  .affiliate-strip { grid-template-columns: 1fr; margin-inline: 1rem; }
  .affiliate-strip small, .copy-status { grid-column: auto; }
  .task-route { grid-template-columns: 2.5rem 1fr; }
  .task-route > :last-child { grid-column: 2; }
}
@media (prefers-reduced-motion: reduce) {
  .button, .task-route { transition: none; }
}

.structured-hub > h1, .structured-guide > h1 { max-width: 900px; }
.structured-hub > .direct-answer, .structured-guide > .direct-answer { max-width: 900px; }
.hub-section-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.hub-section-grid > section { padding: 1.2rem; border: 1px solid var(--line); border-top: 5px solid var(--console-950); border-radius: var(--radius); background: var(--surface); }
.hub-section-grid h2 { margin-top: 0; font-size: 1.3rem; }
.hub-link-list, .related-guide-links { display: grid; gap: .5rem; margin-top: 1rem; }
.hub-link-list a, .related-guide-links a { display: flex; align-items: center; min-height: var(--touch-target); padding: .65rem .75rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fbfaf7; color: var(--text); font-weight: 800; text-decoration: none; }
.hub-link-list a:hover, .related-guide-links a:hover { border-color: var(--console-800); color: var(--console-950); }
.structured-steps { display: grid; gap: .75rem; padding: 0; list-style: none; }
.structured-steps li { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: .8rem; padding: .9rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.structured-steps li > span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--console-950); color: var(--white); font-weight: 900; }
.structured-steps h3, .structured-steps p { margin: 0; }
.structured-steps p { margin-top: .25rem; color: var(--muted); }
.structured-checks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; padding: 0; list-style: none; }
.structured-checks li { padding: .8rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--console-100); }
.structured-checks li::before { margin-right: .5rem; color: var(--success); content: "✓"; font-weight: 900; }
.structured-faq details { border-top: 1px solid var(--line); }
.structured-faq summary { min-height: var(--touch-target); padding: .8rem 0; color: var(--console-950); font-weight: 800; cursor: pointer; }
.checked-date { color: var(--muted); font-size: .78rem; }
@media (max-width: 760px) {
  .hub-section-grid, .structured-checks { grid-template-columns: 1fr; }
}