:root { --tap-size: 44px; }
html, body { min-width: 320px; overflow-x: hidden; }
img, iframe { max-width: 100%; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button, select, input, textarea { font-size: 16px; }
.header { gap: 18px; }
.header-actions { flex: 0 0 auto; }
.car-photo { height: auto; aspect-ratio: 16 / 10; background-position: center; }
.fav, .detail, .menu-btn { min-width: var(--tap-size); min-height: var(--tap-size); }
.map-link, .cta-actions a, .line-ready { min-height: 48px; }
.access-info dd, footer p, .cta-actions strong { overflow-wrap: anywhere; }
@media (max-width: 900px) {
  .header { padding-inline: 3.5vw; }
  .header nav { max-height: calc(100vh - 82px); overflow-y: auto; box-shadow: 0 20px 30px #0d24531a; }
  .header nav a { min-height: var(--tap-size); display: flex; align-items: center; padding: 11px 4px; border-bottom: 1px solid var(--line); }
  .hero { min-height: min(680px, calc(100svh - 30px)); }
  .cta { margin-inline: 4vw; }
}
@media (max-width: 600px) {
  .topline { min-height: 30px; height: auto; padding: 7px 4vw; text-align: center; line-height: 1.5; }
  .header { padding-inline: 4vw; gap: 8px; }
  .header-actions { gap: 2px; }
  .icon-btn { padding: 8px 5px; }
  .hero { min-height: 560px; padding: 58px 5vw 105px; background-position: 62% center; background-image:linear-gradient(90deg,rgba(5,22,55,.94),rgba(5,22,55,.48)),url('assets/og-auto-base-japan.png'); }
  .hero h1 { font-size: clamp(36px, 11vw, 48px); line-height: 1.24; letter-spacing: -.055em; }
  .lead { margin: 20px 0 28px; font-size: 14px; line-height: 1.75; }
  .hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; width: 100%; }
  .hero-stats div { padding: 0 10px; text-align: center; }
  .hero-stats div:first-child { padding-left: 0; }
  .hero-stats div:last-child { border-right: 0; padding-right: 0; }
  .hero-stats strong { font-size: 19px; }
  .hero-stats span { display: block; line-height: 1.45; }
  .scroll { display: none; }
  .search-wrap, .inventory, .services { padding-block: 58px; }
  .section-head { gap: 18px; margin-bottom: 28px; }
  .section-head h2, .services h2 { font-size: clamp(29px, 9vw, 40px); }
  .section-head > a { flex: 0 0 auto; padding-block: 8px; }
  .quick-types button { min-height: 68px; padding: 14px 8px; }
  .car-grid { gap: 16px; }
  .car-body { padding: 18px; }
  .reason { padding: 65px 5vw; }
  .reason h2 { font-size: clamp(34px, 10vw, 46px); }
  .reason-list article { grid-template-columns: 42px 1fr; padding: 26px 0; }
  .service-grid article { padding: 28px 22px; min-height: 205px; }
  .service-grid h3 { margin-top: 30px; }
  .purchase-flow { padding: 62px 5vw; }
  .flow-heading { margin-bottom: 36px; }
  .flow-heading h2 { font-size: clamp(32px, 9vw, 43px); }
  .flow-route li { grid-template-columns: 30px 1fr; gap: 10px; }
  .finance-info { padding-block: 45px; }
  .finance-info h2 { font-size: clamp(30px, 9vw, 39px); }
  .cta { margin: 0; padding: 55px 5vw; }
  .cta h2 { font-size: clamp(33px, 9vw, 44px); }
  .cta-actions { width: 100%; }
  .cta-actions a { padding: 16px; }
  .cta-actions strong { font-size: 19px; }
  .access-section { padding-block: 58px; gap: 38px; }
  .map-frame, .map-frame iframe { min-height: 300px; }
  .access-info dl div { grid-template-columns: 72px 1fr; gap: 8px; font-size: 12px; }
  footer { padding: 42px 5vw 90px; }
  footer div { line-height: 1.75; }
}
@media (max-width: 380px) {
  .brand-logo { width: 126px; height: 52px; }
  .hero { padding-top: 48px; }
  .hero h1 { font-size: 35px; }
  .hero-stats strong { font-size: 17px; }
  .section-head { display: grid; }
  .quick-types { grid-template-columns: 1fr; }
}