:root {
  --header-height: 92px;
  --sidebar-width: 282px;
  --ink: #1b3b4e;
  --text: #365a6f;
  --muted: #526e7e;
}
body { font-size: 17px; line-height: 1.85; color: var(--ink); }
.utility-bar { display: none; }
.container { width: min(calc(100% - 56px), var(--container)); }


.site-header { z-index: 120; background: #fff; box-shadow: 0 1px 0 #d3e4eb; }
.header-inner { height: var(--header-height); gap: 20px; }
.brand { gap: 16px; }
.brand-mark { flex-basis: 59px; width: 59px; height: 59px; font-size: 31px; border-radius: 6px; }
.brand-mark-line { width: 33px; bottom: 8px; }
.brand-copy { gap: 2px; }
.brand-copy strong { font-size: clamp(19px, 1.85vw, 24px); letter-spacing: -.025em; color: #10364d; }
.brand-copy small { max-width: 520px; white-space: normal; font: 600 12px/1.5 var(--font-en); color: #50768a; letter-spacing: .015em; }
.header-event-info { display: flex; flex-direction: column; align-items: end; gap: 2px; color: #305971; }
.header-event-date { font: 800 21px/1.25 var(--font-en); letter-spacing: .025em; }
.header-event-date small { font-size: 11px; font-weight: 700; color: var(--blue-strong); }
.header-event-venue { font-size: 15px; font-weight: 700; }


.site-shell { display: grid; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); max-width: 1780px; min-height: 50vh; margin: 0 auto; }
.site-sidebar { position: relative; z-index: 10; min-width: 0; background: #f7fafc; border-right: 1px solid #d9e6ed; }
.sidebar-scroll { position: sticky; top: var(--header-height); max-height: calc(100dvh - var(--header-height)); overflow-y: auto; scrollbar-color: #9ec8da #f3f8fa; scrollbar-width: thin; overscroll-behavior: contain; padding: 31px 18px 32px; }
.site-shell-main { min-width: 0; }
.sidebar-title { display: flex; flex-direction: column; gap: 2px; margin: 0 10px 26px; padding-bottom: 17px; border-bottom: 2px solid #b4dce9; }
.sidebar-title-eyebrow { font: 800 11px/1.3 var(--font-en); letter-spacing: .14em; color: #177b9e; }
.sidebar-title strong { font-size: 21px; line-height: 1.5; font-weight: 900; color: #10364d; }
.site-nav { display: block; position: static; width: auto; max-height: none; border: 0; background: transparent; box-shadow: none; overflow: visible; }
.nav-group { margin-bottom: 25px; }
.nav-group-title { margin: 0 11px 8px; font-size: 13px; font-weight: 800; line-height: 1.5; letter-spacing: .035em; color: #506c7d; }
.site-nav .nav-primary { display: flex; flex-direction: column; gap: 3px; width: 100%; height: auto; margin: 0; padding: 0; list-style: none; }
.site-nav .nav-primary > li { display: block; width: 100%; }
.site-nav .nav-link { display: flex; justify-content: flex-start; align-items: center; width: 100%; height: auto; min-height: 51px; gap: 8px; padding: 12px 10px 12px 14px; border: 1px solid transparent; border-radius: 4px; color: #23485f; font-size: 16px; font-weight: 700; line-height: 1.45; white-space: normal; text-align: left; transition: background .16s, color .16s; }
.site-nav .nav-link::after { display: none; }
.site-nav .nav-link:hover, .site-nav .nav-link:focus-visible { background: #e7f3f8; color: #0c5475; }
.site-nav .nav-link.is-active { background: #dfedf5; border-color: #c4dfeb; color: #095d83; font-weight: 900; box-shadow: inset 4px 0 #1681a9; }
.nav-link-text { flex: 1; min-width: 0; }
.site-nav .nav-badge { position: static; flex: 0 0 auto; padding: 4px 6px; border-radius: 3px; font: 800 10px/1.15 var(--font-en); letter-spacing: 0; }
.nav-link-arrow { flex: 0 0 auto; width: 15px; height: 15px; color: #8faebc; }
.is-active .nav-link-arrow { color: #166b8f; }
.sidebar-bottom { display: flex; flex-direction: column; gap: 3px; margin: 5px 10px 0; padding: 20px 1px 0; border-top: 1px solid #d7e5ed; color: #557485; font-size: 13px; line-height: 1.7; }
.sidebar-bottom strong { color: #31556c; font-size: 13px; }
.nav-toggle, .nav-backdrop { display: none; }


.button { min-height: 53px; font-size: 16px; padding-inline: 20px; }
.text-link { font-size: 16px; }
.section-kicker { font-size: 12px; }
.hero-layout { grid-template-columns: minmax(0, 1.15fr) minmax(210px, .78fr); gap: clamp(14px, 2.3vw, 42px); min-height: 575px; }
.hero-content { padding: 57px 0 74px; }
.eyebrow { font-size: 12px; line-height: 1.6; letter-spacing: .045em; }
.hero h1 { font-size: clamp(35px, 3.65vw, 57px); line-height: 1.48; }
.hero-en { font-size: clamp(16px, 1.2vw, 19px); }
.hero-lead { font-size: 18px; }
.hero-poster-area { min-height: 495px; }
.hero-poster { width: min(100%, 270px); max-width: 270px; }
.hero-poster-orbit--one { width: 350px; height: 350px; }
.hero-poster-orbit--two { width: 285px; height: 285px; }
.hero-poster figcaption { font-size: 13px; }
.poster-preview-badge { font-size: 11px; }
.fact { gap: 11px; padding: 22px clamp(12px, 1.6vw, 28px); }
.fact-number { font-size: 21px; }
.fact-title { font-size: 13px; }
.fact-title small { font-size: 11px; }
.fact-text strong { font-size: 16px; line-height: 1.65; }

.news-section { padding-block: 78px 100px; }
.news-layout { grid-template-columns: minmax(175px, 27%) minmax(0, 1fr); gap: 4%; }
.section-intro h2 { font-size: 36px; }
.section-sub { font-size: 15px; }
.news-intro-copy { font-size: 16px; color: #45667b; }
.demo-disclaimer, .demo-disclaimer--page { font-size: 14px; }
.news-scroll { max-height: 570px; scrollbar-width: auto; }
.news-row { min-height: 115px; padding: 20px 16px 20px 14px; }
.news-row-meta time, .archive-meta time { font-size: 14px; }
.news-category { font-size: 12px; min-width: 82px; padding: 3px 9px; }
.news-demo-label { font-size: 11px; }
.news-row-title { font-size: 17px; line-height: 1.7; }
.news-scroll-footer { font-size: 12px; }
.news-scroll-footer a { font-size: 16px; }
.news-empty strong { font-size: 18px; }
.news-empty p { font-size: 16px; }


.page-banner p { font-size: 17px; }
.breadcrumbs { font-size: 14px; }
.page-banner-label { font-size: 12px; }
.inner-layout { display: block; }
.inner-aside { display: none; }
.content-heading { font-size: 28px; }
.content-description { font-size: 17px; color: #38586e; }
.details-table th, .details-table td { font-size: 17px; padding: 23px 19px; }
.details-table td small { font-size: 15px; }
.pending-label { font-size: 12px; }
.pending-copy h2 { font-size: 24px; }
.pending-copy p, .below-panel { font-size: 17px; }
.access-address { font-size: 17px; }
.access-intro-text { font-size: 17px; color: #3c5e71; }
.access-highlight p, .access-highlight small { font-size: 16px; }
.access-section-heading > p:last-child:not(.section-kicker) { font-size: 15px; }
.map-under-row, .access-source { font-size: 15px; }
.station-item strong { font-size: 16px; }
.station-time, .station-mode { font-size: 14px; }
.access-tip strong { font-size: 18px; }
.access-tip p { font-size: 16px; color: #3e5f72; }
.news-archive-header > p { font-size: 16px; }
.news-filter-group label { font-size: 15px; }
.news-filter-group select, .news-filter-group input { font-size: 16px; min-height: 52px; }
.filter-button { min-height: 52px; font-size: 16px; }
.filter-reset { font-size: 15px; }
.news-result-head > span { font-size: 15px; }
.archive-title { font-size: 18px; }
.archive-excerpt { font-size: 16px; color: #4d6b7d; }
.news-archive-list li a { min-height: 112px; }
.pagination a { min-width: 45px; height: 45px; font-size: 16px; }
.news-article-body { font-size: 18px; }
.news-article-bottom a { font-size: 16px; }
.contact-office p, .contact-office address { font-size: 16px; }
.contact-office .contact-note { font-size: 14px; }


.footer-brand strong { font-size: 21px; }
.footer-brand p { font-size: 13px; }
.footer-event-line { font-size: 15px; }
.footer-office h2 { font-size: 19px; }
.footer-office h2 small { font-size: 11px; }
.footer-office-name { font-size: 17px; }
.footer-office p, .footer-office address { font-size: 15px; line-height: 1.85; }
.footer-office .footer-office-note { font-size: 13px; }
.footer-bottom { font-size: 13px; }


@media (max-width: 1100px) {
  :root { --header-height: 80px; }
  .site-shell { display: block; }
  .site-sidebar { position: fixed; z-index: 115; top: var(--header-height); bottom: 0; left: 0; width: min(370px, 89vw); border-right: 1px solid #cbdee7; box-shadow: 12px 0 36px #0c2c4429; transform: translateX(-110%); visibility: hidden; transition: transform .2s ease, visibility .2s; }
  .site-sidebar.is-open { transform: translateX(0); visibility: visible; }
  .sidebar-scroll { position: static; max-height: 100%; height: 100%; padding: 26px 20px 28px; }
  .site-nav { display: block; }
  .site-nav .nav-link { font-size: 17px; min-height: 56px; }
  .nav-toggle { display: flex; justify-content: center; align-items: center; gap: 11px; min-width: 122px; height: 52px; padding: 10px 14px; border: 1px solid #aecbd9; border-radius: 5px; background: #f1f8fb; color: #0d4561; }
  .nav-toggle-label { display: inline; font-size: 16px; font-weight: 800; line-height: 1; letter-spacing: 0; }
  .nav-toggle-bars { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 23px; height: 25px; }
  .nav-toggle-bars i { display: block; width: 22px; height: 2px; border-radius: 2px; background: #0f4d6b; transition: transform .2s, opacity .2s; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars i:first-child { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bars i:last-child { transform: translateY(-7px) rotate(-45deg); }
  .nav-backdrop.is-visible { display: block; position: fixed; z-index: 110; inset: var(--header-height) 0 0; background: #09293dc2; }
  body.menu-open { overflow: hidden; }
  .header-inner { height: var(--header-height); }
  .brand-mark { flex-basis: 52px; width: 52px; height: 52px; font-size: 28px; }
  .brand-copy strong { font-size: clamp(17px, 2vw, 21px); }
  .brand-copy small { font-size: 11px; }
  .header-event-date { font-size: 18px; }
  .header-event-venue { font-size: 13px; }
  .hero-layout { grid-template-columns: minmax(0, 1.2fr) minmax(230px, .8fr); }
  .hero h1 { font-size: clamp(38px, 5vw, 56px); }
  .hero-poster { width: min(100%, 295px); }
  .hero-poster-area { min-height: 525px; }
  .fact-text strong { font-size: 17px; }
}
@media (max-width: 760px) {
  .container { width: min(calc(100% - 40px), var(--container)); }
  .header-event-info { display: none; }
  .brand { min-width: 0; }
  .brand-copy { min-width: 0; }
  .brand-copy strong { font-size: clamp(15px, 3vw, 21px); white-space: normal; }
  .brand-copy small { font-size: 10px; }
  .hero-layout { grid-template-columns: 1fr; padding-bottom: 26px; }
  .hero-content { padding: 48px 0 17px; }
  .hero h1 { font-size: clamp(36px, 7.5vw, 52px); }
  .hero-en { font-size: 17px; }
  .hero-lead { font-size: 17px; }
  .hero-poster-area { min-height: 0; padding: 15px 0 35px; }
  .hero-poster { width: min(65%, 285px); max-width: 285px; }
  .key-facts { grid-template-columns: 1fr; }
  .fact { padding: 18px 21px; }
  .fact-number { font-size: 22px; }
  .fact-title { font-size: 14px; }
  .fact-text strong { font-size: 17px; }
  .news-layout { grid-template-columns: 1fr; gap: 24px; }
  .news-intro-copy { max-width: 550px; }
  .news-scroll { max-height: 530px; }
  .inner-layout { display: block; }
  .access-intro-grid { grid-template-columns: 1fr; }
  .footer-office + .footer-office { padding-left: 24px; }
}
@media (max-width: 550px) {
  :root { --header-height: 76px; }
  body { font-size: 16px; }
  .container { width: calc(100% - 36px); }
  .header-inner { gap: 10px; }
  .brand-mark { flex-basis: 47px; width: 47px; height: 48px; font-size: 26px; }
  .brand-copy strong { font-size: clamp(15px, 4.2vw, 19px); line-height: 1.4; }
  .brand-copy small { font-size: 9px; line-height: 1.3; }
  .nav-toggle { min-width: 51px; width: 51px; height: 51px; padding: 0; flex-shrink: 0; }
  .nav-toggle-label { display: none; }
  .sidebar-scroll { padding: 24px 18px; }
  .hero-content { padding: 42px 0 14px; }
  .eyebrow { font-size: 11px; }
  .hero h1 { font-size: clamp(34px, 8.25vw, 44px); }
  .hero-en { font-size: 16px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { gap: 10px; }
  .button { min-height: 52px; font-size: 15px; padding: 12px 15px; }
  .hero-poster { width: min(70%, 260px); }
  .fact-text strong { font-size: 16px; }
  .news-section { padding-block: 60px 70px; }
  .section-intro h2 { font-size: 32px; }
  .news-intro-copy { font-size: 16px; }
  .news-row { padding: 19px 10px; min-height: 110px; }
  .news-row-meta time { font-size: 13px; }
  .news-category { min-width: 70px; font-size: 11px; }
  .news-row-title { font-size: 16px; }
  .news-scroll-footer { font-size: 11px; }
  .news-scroll-footer a { font-size: 15px; }
  .page-banner p { font-size: 16px; }
  .content-heading { font-size: 25px; }
  .content-description, .pending-copy p, .below-panel { font-size: 16px; }
  .details-table th, .details-table td { font-size: 16px; }
  .access-address, .access-intro-text { font-size: 16px; }
  .access-tip p { font-size: 16px; }
  .news-filter-group select, .news-filter-group input { font-size: 16px; }
  .archive-title { font-size: 17px; }
  .archive-excerpt { font-size: 15px; }
  .news-article-body { font-size: 17px; }
  .footer-brand strong { font-size: 18px; }
  .footer-brand p { font-size: 12px; }
  .footer-event-line { font-size: 14px; }
  .footer-office h2 { font-size: 17px; }
  .footer-office-name { font-size: 16px; }
  .footer-office p, .footer-office address { font-size: 15px; }
  .footer-office .footer-office-note { font-size: 13px; }
  .footer-bottom { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  .site-sidebar, .nav-toggle-bars i { transition: none !important; }
}

.brand { flex: 1 1 auto; min-width: 0; }
.brand-copy { flex: 1 1 auto; min-width: 0; }
.brand-copy strong, .brand-copy small { overflow-wrap: anywhere; }