@charset "UTF-8";
:root {
  --blue: #096ca6;
  --navy: #164b70;
  --gold: #ecc04e;
  --ink: #233746;
  --muted: #5f7281;
  --line: #dde8ef;
  --bg: #f5f8fa;
  --white: #fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  font-size: 15px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}
a { color: #006ba8; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: #004b78; }
a:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 2px; }
p,h1,h2,h3 { margin-top: 0; }
.container { width: min(100% - 48px, 1050px); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 12px; padding: 8px 16px; z-index: 20; background: #fff; }
.skip-link:focus { top: 8px; }
.site-header { border-top: 6px solid var(--gold); background: linear-gradient(110deg, #fff 55%, #eff7fb 100%); }
.header-inner { display: flex; align-items: center; gap: clamp(24px,4vw,55px); padding-block: 27px 30px; }
.logo-wrap { flex: 0 0 min(35%, 320px); }
.logo-wrap img { display: block; width: 100%; height: auto; }
.page-nav { background: var(--navy); }
.page-nav ul { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); padding: 0; margin: 0; list-style: none; }
.page-nav li + li { border-left: 1px solid rgba(255,255,255,.18); }
.page-nav a { display: block; padding: 13px 5px; color: #fff; font-size: 14px; font-weight: 700; text-align: center; text-decoration: none; }
.page-nav a:hover, .page-nav a:focus-visible { background: #0d638f; }
.main-content { padding-block: 30px 60px; }
.concierge { display: flex; gap: 18px; align-items: center; background: #eaf5fb; border: 1px solid #c9e2f1; border-left: 5px solid #1779b7; border-radius: 8px; padding: 17px 22px; margin-bottom: 35px; }
.concierge-icon { flex: 0 0 38px; height: 38px; display: flex; justify-content: center; align-items: center; background: #1779b7; color: #fff; border-radius: 50%; font-size: 24px; font-weight: 700; font-family: Georgia,serif; }
.concierge-caption { font-weight: 700; font-size: 13px; color: #23698c; letter-spacing: .04em; }
.concierge p { font-weight: 600; margin: 1px 0 0; }
.concierge a { font-weight: 700; }
.content-section { margin-bottom: 36px; scroll-margin-top: 18px; }
.section-heading { display: flex; gap: 13px; align-items: stretch; margin-bottom: 15px; }
.heading-mark { display: block; flex: 0 0 7px; border-radius: 2px; background: var(--gold); min-height: 29px; }
h2 { margin: 0; color: var(--navy); font-size: clamp(22px,2.8vw,27px); line-height: 1.4; letter-spacing: .04em; }
.content-panel { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: clamp(20px,3.1vw,31px); box-shadow: 0 4px 18px rgba(22,75,112,.04); }
.bullet-list { list-style: none; padding: 0; margin: 0; }
.bullet-item { position: relative; padding-left: 23px; }
.bullet-item::before { content: ""; position: absolute; left: 1px; top: 11px; background: var(--blue); width: 9px; height: 9px; border-radius: 50%; }
.bullet-item + .bullet-item { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 20px; }
.bullet-item + .bullet-item::before { top: 31px; }
.bullet-content { min-width: 0; }
.bullet-content a { font-weight: 700; }
.linked-entry { margin: 0; }
.linked-entry + .linked-entry { margin-top: 9px; }
.route-panel > .fare-list { margin: 0 0 22px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.area-group { margin: 0; padding-top: 2px; }
.area-group + .area-group { border-top: 1px solid var(--line); padding-top: 26px; margin-top: 28px; }
.area-heading { margin: 0 0 17px; color: var(--navy); font-size: 18px; font-weight: 700; line-height: 1.5; position: relative; padding-left: 23px; }
.area-heading::before { content: ""; position: absolute; left: 1px; top: 11px; background: var(--blue); width: 10px; height: 10px; border-radius: 50%; }
.route-list { list-style: none; padding: 0 0 0 23px; margin: 0; }
.route-item { position: relative; padding: 11px 14px; margin: 0; background: #f8fbfd; border-left: 3px solid #bddbe9; font-size: 14px; line-height: 1.85; }
.route-item + .route-item { margin-top: 9px; }
.route-item a { font-weight: 700; }
.contact-item h3 { margin: 0 0 6px; font-size: 16px; color: var(--navy); }
.contact-item p { margin: 0 0 4px; }
.contact-item p:last-child { margin-bottom: 0; }
.site-footer { border-top: 1px solid var(--line); background: #e6f0f5; color: #526d7e; }
.site-footer .container { display: flex; justify-content: space-between; gap: 20px; padding-block: 21px; }
.site-footer small, .site-footer a { font-size: 13px; }
@media (max-width: 760px) {
  .header-inner { flex-wrap: wrap; gap: 15px; padding-block: 20px 23px; }
  .logo-wrap { flex-basis: min(60%, 250px); }
  .main-content { padding-block: 24px 44px; }
  .content-section { margin-bottom: 30px; }
}
@media (max-width: 480px) {
  .container { width: min(100% - 28px,1050px); }
  .page-nav ul { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .page-nav li { border-right: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
  .page-nav a { font-size: 12px; padding: 11px 4px; }
  .concierge { padding: 14px; gap: 11px; }
  .concierge-icon { flex-basis: 30px; height: 30px; font-size: 20px; }
  .content-panel { padding: 18px 14px; }
  .route-list { padding-left: 8px; }
  .route-item { padding: 10px 11px; font-size: 13px; }
  .area-heading { font-size: 16px; }
  .bullet-item { padding-left: 20px; }
  .contact-item h3 { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ページ上部の緊急メンテナンス表示（既存配色に統一） */
.maintenance-banner {
  background: var(--navy);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, .15);
}
.maintenance-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 11px;
  padding-block: 12px;
  text-align: center;
}
.maintenance-icon {
  flex: 0 0 27px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--navy);
  font-weight: 800;
  font-size: 17px;
  line-height: 1;
}
.maintenance-message {
  font-size: clamp(16px, 2.5vw, 19px);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: .08em;
}
@media (max-width: 480px) {
  .maintenance-inner { gap: 9px; padding-block: 11px; }
  .maintenance-icon { flex-basis: 25px; width: 25px; height: 25px; }
}