/* Page Hero */
.page-hero{position:relative;margin-top:var(--header-h-m);background:linear-gradient(135deg,#1B5DAA 0%,#14478A 50%,#0E3566 100%);padding:48px 0 40px;overflow:hidden;text-align:center}
.page-hero-shapes{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.ph-shape{position:absolute;border-radius:50%;opacity:.5}
.ph-s1{width:250px;height:250px;border:1px solid rgba(255,255,255,.06);top:-60px;right:-40px}
.ph-s2{width:160px;height:160px;background:rgba(255,255,255,.03);bottom:-30px;left:-30px}
.page-hero-content{position:relative;z-index:2}
.page-hero-label{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.1em;margin-bottom:8px}
.page-hero-title{font-family:var(--font-serif);font-size:28px;font-weight:700;color:#fff}

/* Sub Nav */
.sub-nav{background:var(--bg-white);border-bottom:1px solid var(--border);position:sticky;top:var(--header-h-m);z-index:99;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.sub-nav::-webkit-scrollbar{display:none}
.sub-nav-inner{display:flex;max-width:var(--max-w);margin:0 auto;padding:0 20px}
.sub-nav a{flex-shrink:0;font-size:14px;font-weight:500;color:var(--text-secondary);padding:14px 18px;white-space:nowrap;border-bottom:3px solid transparent;transition:all .2s;text-decoration:none}
.sub-nav a:hover{color:var(--primary)}
.sub-nav a.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:13px;color:var(--text-tertiary);border-bottom:1px solid var(--border);background:var(--bg-white)}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb span{margin:0 6px;color:var(--text-tertiary)}

/* Section styling */
.section-header{text-align:center;margin-bottom:40px}
.section-title{font-family:var(--font-serif);font-size:24px;font-weight:700;color:var(--text-primary);margin-bottom:8px;letter-spacing:.02em}
.section-subtitle{font-size:15px;color:var(--text-secondary)}

/* ── COMPANY OVERVIEW TABLE ── */
.overview-section{padding:48px 0 56px;background:var(--bg-white)}
.overview-table{max-width:900px;margin:0 auto;border-top:2px solid var(--primary)}
.overview-row{display:flex;flex-direction:column;border-bottom:1px solid var(--border);padding:16px 0}
.overview-label{font-size:13px;font-weight:600;color:var(--primary);margin-bottom:4px;letter-spacing:.04em}
.overview-value{font-size:15px;color:var(--text-primary);line-height:1.8}
.overview-value .sub{display:block;font-size:14px;color:var(--text-secondary);margin-top:2px}

/* Officers list */
.officers-grid{display:grid;grid-template-columns:1fr;gap:4px;margin-top:4px}
.officer{font-size:14px;color:var(--text-primary)}
.officer-title{color:var(--text-secondary);font-size:13px;margin-right:8px}

/* ── TIMELINE / 沿革 ── */
.history-section{background:var(--bg-light);padding:56px 0 64px}
.timeline{max-width:800px;margin:0 auto;position:relative;padding-left:24px}
.timeline::before{content:'';position:absolute;left:7px;top:0;bottom:0;width:2px;background:var(--border)}
.timeline-year{position:relative;margin-bottom:8px}
.timeline-year-label{font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--primary);margin-bottom:12px;position:relative}
.timeline-year-label::before{content:'';position:absolute;left:-21px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--primary);border:2px solid var(--bg-light)}
.timeline-event{padding:0 0 16px 0;font-size:14px;color:var(--text-primary);line-height:1.8}
.timeline-event-date{font-size:13px;color:var(--text-tertiary);font-feature-settings:'tnum';margin-right:8px}
.timeline-event:last-child{padding-bottom:24px}

/* ── ACCESS ── */
.access-section{padding:56px 0 64px;background:var(--bg-white)}
.access-content{max-width:800px;margin:0 auto}
.access-map{width:100%;height:300px;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-light);margin-bottom:24px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border)}
.access-map-placeholder{text-align:center;color:var(--text-tertiary);font-size:14px}
.access-map-placeholder svg{margin:0 auto 8px;opacity:.4}
.access-info{display:grid;grid-template-columns:1fr;gap:16px}
.access-block h4{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:8px}
.access-block p{font-size:14px;color:var(--text-secondary);line-height:1.8}
.access-station{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--text-secondary);margin-bottom:6px}
.access-station svg{flex-shrink:0;margin-top:3px}

/* ── GROUP COMPANY ── */
.group-section{background:var(--bg-light);padding:56px 0 64px}
.group-card{max-width:600px;margin:0 auto;background:var(--bg-white);border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.group-card-name{font-size:17px;font-weight:600;color:var(--text-primary);margin-bottom:8px}
.group-card-desc{font-size:14px;color:var(--text-secondary);line-height:1.8}

/* Responsive */
@media(min-width:768px){
    .overview-row{flex-direction:row;gap:0}
    .overview-label{width:180px;flex-shrink:0;padding-top:0;margin-bottom:0}
    .access-info{grid-template-columns:1fr 1fr}
    .access-map{height:360px}
    .section-title{font-size:28px}
    .page-hero-title{font-size:34px}
}
@media(min-width:1024px){
    .page-hero{margin-top:var(--header-h-d);padding:64px 0 52px}
    .overview-section{padding:64px 0 72px}
    .history-section{padding:72px 0 80px}
    .access-section{padding:72px 0 80px}
    .section-title{font-size:30px}
    .page-hero-title{font-size:38px}
    .overview-label{width:220px}
}