:root{
  --navy:#0b2f73;
  --navy-dark:#07265c;
  --green:#168f46;
  --orange:#ed6f0e;
  --text:#16304e;
  --muted:#5e7188;
  --line:#d8e1ec;
  --bg:#eef2f6;
  --card:#fff;
  --shadow:0 10px 28px rgba(7,38,92,.10);
  --radius:16px;
  --max:1440px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Yu Gothic","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;line-height:1.65}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}
img{display:block;max-width:100%}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{background:linear-gradient(180deg,var(--navy),var(--navy-dark));color:#fff;box-shadow:0 3px 12px rgba(0,0,0,.18);position:relative;z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:86px}
.brand{display:flex;align-items:center;gap:14px;color:#fff;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{width:56px;height:56px;flex:0 0 56px}
.brand-mark img{width:56px;height:56px;border-radius:50%}
.brand-ja{display:block;font-size:2rem;font-weight:900;line-height:1.05;letter-spacing:.02em}
.brand-en{display:block;margin-top:6px;color:#dce8ff;font-size:.88rem;font-weight:700;letter-spacing:.14em}
.nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 20px}
.nav a{color:#fff;font-weight:800;padding:7px 0}
.nav a.accent{color:#ffd08d}
.home-main{padding:0 0 28px}
.hero{width:min(var(--max),100%);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:16px;background:linear-gradient(180deg,#e6edf5,#f2f5f8)}
.hero-half{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:16px;background:#d6e3f0;box-shadow:var(--shadow)}
.hero-half img{width:100%;height:100%;object-fit:cover}
.hero-half:first-child::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,27,66,.83) 0%,rgba(5,27,66,.56) 43%,rgba(5,27,66,.05) 74%,rgba(5,27,66,0) 100%)}
.hero-copy{position:absolute;left:28px;top:50%;transform:translateY(-50%);z-index:2;width:calc(100% - 56px);color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.45)}
.hero-copy .eyebrow{display:inline-block;margin-bottom:12px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--navy);font-weight:900;font-size:.9rem;text-shadow:none}
.hero-copy h1{margin:0 0 12px;font-size:clamp(1.9rem,2.45vw,2.55rem);line-height:1.12;letter-spacing:.01em;white-space:nowrap}.hero-copy h1 span{display:inline;white-space:nowrap}
.hero-copy .line-name{font-size:clamp(1.2rem,1.7vw,1.5rem);font-weight:900;color:#d9ffdd;margin-bottom:12px;white-space:nowrap}
.hero-copy .line-name .orange{color:#ffd49a}
.hero-copy p{margin:0 0 6px;font-size:1rem;font-weight:700}
.train-badge{position:absolute;right:18px;bottom:16px;z-index:3;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.94);font-weight:900;box-shadow:0 4px 14px rgba(0,0,0,.18)}
.train-badge.cb{color:var(--green)}
.train-badge.tb{color:var(--orange)}
.home-section{margin-top:14px}
.grid-main{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(300px,.8fr);gap:18px;align-items:start}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px}
.card-head h2{margin:0;color:var(--navy);font-size:1.75rem;line-height:1.25}
.badge{display:inline-block;padding:7px 13px;border-radius:9px;background:var(--green);color:#fff;font-weight:900}
.badge.orange{background:var(--orange)}
.visual-stack{display:grid;gap:12px}
.visual-panel{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.visual-panel img{width:100%;height:auto}
.visual-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 13px;border-top:1px solid var(--line);background:#fbfcfe}
.visual-caption strong{color:var(--navy)}
.visual-caption span{color:var(--muted);font-size:.9rem}
.side-list{display:grid;gap:10px}
.side-item{display:flex;gap:12px;align-items:flex-start;padding:13px;border:1px solid var(--line);border-radius:13px;background:#fff}
.side-item:hover{text-decoration:none;background:#f8fbff}
.side-icon{display:grid;place-items:center;width:44px;height:44px;flex:0 0 44px;border-radius:11px;background:#edf3ff;color:var(--navy);font-weight:900}
.side-item strong{display:block;color:var(--navy);font-size:1.12rem;line-height:1.25}
.side-item small{display:block;margin-top:3px;color:var(--muted);line-height:1.4}
.three-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.info-list{display:grid;gap:10px}
.info-box{padding:13px 14px;border:2px solid var(--line);border-radius:12px;background:#fff}
.info-box h3{margin:0 0 4px;font-size:1.16rem}
.info-box p{margin:0;color:var(--muted);font-size:.94rem}
.info-box.blue{border-color:#6d8fc8}.info-box.blue h3{color:#2350a0}
.info-box.green{border-color:#46ad68}.info-box.green h3{color:var(--green)}
.info-box.orange{border-color:#ef9141}.info-box.orange h3{color:var(--orange)}
.vehicle-links{display:grid;gap:10px}
.news-list{list-style:none;margin:0;padding:0}
.news-list li{display:grid;grid-template-columns:92px 1fr;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.news-list li:last-child{border-bottom:none}
.news-date{color:var(--muted);font-weight:900}
.news-tag{display:inline-block;margin-right:7px;padding:2px 9px;border-radius:999px;background:#e8f0ff;color:var(--navy);font-size:.8rem;font-weight:900}
.page{padding:24px 0 32px}
.breadcrumb{font-size:.9rem;color:var(--muted);margin-bottom:10px}
.page-title{margin-bottom:18px}
.page-title h1{margin:0 0 6px;color:var(--navy);font-size:2.4rem}
.page-title p{margin:0;color:var(--muted)}
.section-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:18px}
.photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.photo-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.photo-card .visual{aspect-ratio:16/10;background:#e2eaf3}
.photo-card .visual img{width:100%;height:100%;object-fit:cover}
.photo-card .body{padding:16px}
.photo-card h2{margin:0 0 6px;color:var(--navy)}
.photo-card p{margin:0;color:var(--muted)}
.spot-grid,.station-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.spot-card,.station-card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.spot-card .visual{aspect-ratio:16/9;background:linear-gradient(145deg,#dce7f4,#fff)}
.spot-card .visual.green{background:linear-gradient(145deg,#d9eedc,#fff)}
.spot-card .visual.orange{background:linear-gradient(145deg,#ffe6d3,#fff)}
.spot-card .visual.blue{background:linear-gradient(145deg,#d9edf6,#fff)}
.spot-card .body,.station-card{padding:15px}
.spot-card h3,.station-card h3{margin:0 0 5px;color:var(--navy)}
.spot-card p,.station-card p{margin:0;color:var(--muted)}
.station-code{display:inline-block;margin-bottom:8px;padding:4px 10px;border-radius:999px;background:#edf3ff;color:var(--navy);font-weight:900;font-size:.84rem}
.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.data-table th{width:30%;text-align:left;color:var(--navy);background:#f7faff}
.notice{padding:15px 16px;border-left:5px solid #77a2e5;border-radius:12px;background:#eef5ff;color:#29415f}
.footer{margin-top:28px;background:linear-gradient(180deg,var(--navy),var(--navy-dark));color:#fff}
.footer-inner{display:grid;grid-template-columns:1fr 1.7fr;gap:28px;padding:28px 0}
.footer .brand-ja{font-size:1.8rem}
.footer p{margin:14px 0 0;color:#d8e4ff}
.footer-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.footer-nav h4{margin:0 0 8px}
.footer-nav ul{list-style:none;margin:0;padding:0}
.footer-nav li{margin:7px 0}
.footer-nav a{color:#fff}
.copy{text-align:center;padding:14px 0;border-top:1px solid rgba(255,255,255,.15);color:#d3e1ff;font-size:.9rem}
@media(max-width:1100px){
  .header-inner{align-items:flex-start;flex-direction:column;padding:14px 0}
  .nav{justify-content:flex-start}
  .hero-copy{left:22px;width:calc(100% - 44px)}
  .hero-copy h1{font-size:2rem;white-space:normal}
  .hero-copy .line-name{font-size:1.15rem;white-space:normal}
  .grid-main,.section-grid{grid-template-columns:1fr}
  .three-grid{grid-template-columns:1fr 1fr}
  .three-grid>section:last-child{grid-column:1/-1}
}
@media(max-width:760px){
  .container{width:min(var(--max),calc(100% - 20px))}
  .brand-ja{font-size:1.6rem}
  .brand-mark,.brand-mark img{width:48px;height:48px;flex-basis:48px}
  .hero{grid-template-columns:1fr}
  .hero-half{aspect-ratio:16/9}
  .hero-half:first-child::after{background:linear-gradient(90deg,rgba(5,27,66,.86),rgba(5,27,66,.34) 74%,rgba(5,27,66,.06))}
  .hero-copy{left:18px;width:calc(100% - 36px)}
  .hero-copy h1{font-size:1.7rem;white-space:normal}
  .hero-copy .line-name{font-size:1rem;white-space:normal}
  .hero-copy p{font-size:.88rem}
  .three-grid,.photo-grid,.spot-grid,.station-grid,.footer-inner,.footer-nav{grid-template-columns:1fr}
  .three-grid>section:last-child{grid-column:auto}
}

.route-guide-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:14px 16px 10px}
.route-guide-card img{width:100%;height:auto;display:block}
.home-compact{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-top:14px}
@media(max-width:1100px){.hero{grid-template-columns:1fr 1fr}.home-compact{grid-template-columns:1fr 1fr}.home-compact>section:last-child{grid-column:1/-1}}
@media(max-width:760px){.hero{grid-template-columns:1fr;padding:10px}.hero-half{height:auto;aspect-ratio:16/9}.hero-copy{left:18px;width:calc(100% - 36px)}.hero-copy h1{font-size:2rem}.hero-copy h1 span{white-space:normal}.route-guide-card{padding:8px}.route-guide-card{overflow-x:auto}.route-guide-card img{min-width:900px}.home-compact{grid-template-columns:1fr}.home-compact>section:last-child{grid-column:auto}}

.station-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.station-card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;display:block}
.station-card:hover{text-decoration:none;transform:translateY(-2px);transition:.2s ease}
.station-thumb{aspect-ratio:16/10;background:linear-gradient(145deg,#dfe8f4,#f8fbff);overflow:hidden;border-bottom:1px solid var(--line)}
.station-thumb img{width:100%;height:100%;object-fit:cover}
.station-thumb.placeholder{display:grid;place-items:center;color:var(--navy);font-weight:900;font-size:1.2rem;background:linear-gradient(145deg,#e2ebf7,#ffffff)}
.station-card .station-body{padding:15px}
.station-card .station-code{margin-bottom:8px}
.station-detail-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:start}
.station-hero-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.station-hero-card img{width:100%;height:auto;display:block}
.station-hero-card .body{padding:14px 16px}
.station-hero-card h2{margin:0 0 6px;color:var(--navy);font-size:1.4rem}
.station-hero-card p{margin:0;color:var(--muted)}
.station-layout{display:grid;gap:18px}
@media(max-width:1100px){.station-grid{grid-template-columns:1fr 1fr}.station-detail-grid{grid-template-columns:1fr}}
@media(max-width:760px){.station-grid{grid-template-columns:1fr}}

/* v26 tourism + tsukubasanguchi */
.spot-card .visual img{width:100%;height:100%;object-fit:cover;display:block}
.station-card .station-body{padding:15px}

/* v27 dedicated image tuning */
.station-thumb img,.spot-card .visual img{object-position:center center}
.station-hero-card img{aspect-ratio:16/9;object-fit:cover}
@media(max-width:760px){.station-hero-card img{aspect-ratio:4/3}}

/* v29 timetable / fares / commuter pass */
.nav{gap:8px 13px}
.nav a{font-size:.95rem}
.home-service-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:14px}
.service-link{display:flex;align-items:center;gap:14px;padding:17px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.service-link:hover{text-decoration:none;background:#f8fbff;transform:translateY(-2px);transition:.2s ease}
.service-link .service-icon{display:grid;place-items:center;width:52px;height:52px;flex:0 0 52px;border-radius:13px;background:#edf3ff;color:var(--navy);font-size:1.1rem;font-weight:900}
.service-link.fare .service-icon{background:#e8f6ed;color:var(--green)}
.service-link.pass .service-icon{background:#fff0e5;color:var(--orange)}
.service-link strong{display:block;color:var(--navy);font-size:1.22rem}
.service-link small{display:block;color:var(--muted);line-height:1.4;margin-top:3px}
.page-nav{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 18px}
.page-nav a{display:inline-block;padding:9px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:900}
.page-nav a:hover{text-decoration:none;background:#edf3ff}
.guide-lead{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;margin-bottom:18px}
.summary-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.summary-card h2{margin:0 0 8px;color:var(--navy);font-size:1.5rem}
.summary-card p{margin:0;color:var(--muted)}
.summary-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.summary-point{padding:13px;border-radius:12px;background:#f7faff;border:1px solid var(--line)}
.summary-point strong{display:block;color:var(--navy);font-size:1.15rem}
.summary-point small{color:var(--muted)}
.timetable-block{margin-top:18px}
.timetable-block h2{margin:0;color:var(--navy);font-size:1.7rem}
.timetable-meta{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 12px}
.service-chip{display:inline-block;border-radius:999px;padding:4px 10px;font-size:.83rem;font-weight:900}
.service-chip.local{background:#e8effc;color:#2350a0}
.service-chip.rapid{background:#e6f5eb;color:var(--green)}
.service-chip.tour{background:#fff0e5;color:var(--orange)}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:13px;background:#fff;box-shadow:var(--shadow)}
.timetable-table,.fare-table,.pass-table{width:100%;border-collapse:collapse;min-width:920px}
.timetable-table th,.timetable-table td,.fare-table th,.fare-table td,.pass-table th,.pass-table td{padding:10px 9px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);text-align:center;white-space:nowrap}
.timetable-table thead th,.fare-table thead th,.pass-table thead th{background:var(--navy);color:#fff;font-weight:900}
.timetable-table tbody th,.fare-table tbody th,.pass-table tbody th{background:#f7faff;color:var(--navy);font-weight:900;text-align:left}
.timetable-table tr:last-child td,.timetable-table tr:last-child th,.fare-table tr:last-child td,.fare-table tr:last-child th,.pass-table tr:last-child td,.pass-table tr:last-child th{border-bottom:none}
.timetable-table .rapid-row{background:#f2fbf5}
.timetable-table .tour-row{background:#fff7ef}
.timetable-table .branch-row{background:#fff8f2}
.timetable-table td strong{color:var(--navy)}
.note-list{margin:14px 0 0;padding-left:1.35em;color:var(--muted)}
.note-list li{margin:4px 0}
.fare-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.fare-card-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fare-card{padding:16px;border:1px solid var(--line);border-radius:13px;background:#fff}
.fare-card strong{display:block;color:var(--navy);font-size:1.1rem}
.fare-card .price{display:block;color:var(--green);font-weight:900;font-size:1.65rem;line-height:1.3;margin-top:4px}
.fare-card small{color:var(--muted)}
.rule-list{display:grid;gap:10px}
.rule-item{padding:14px;border-left:5px solid #76a1e4;background:#eef5ff;border-radius:11px}
.rule-item.orange{border-left-color:var(--orange);background:#fff5ec}
.rule-item.green{border-left-color:var(--green);background:#edf8f1}
.rule-item strong{display:block;color:var(--navy);margin-bottom:3px}
.pass-intro{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.pass-type{padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow)}
.pass-type h2{margin:0 0 7px;color:var(--navy)}
.pass-type p{margin:0;color:var(--muted)}
.pass-type.commuter{border-top:6px solid var(--navy)}
.pass-type.student{border-top:6px solid var(--orange)}
.pass-table .student-price{color:var(--orange);font-weight:900}
.pass-table .commuter-price{color:var(--navy);font-weight:900}
.application-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.application-step{padding:15px;background:#fff;border:1px solid var(--line);border-radius:13px}
.application-step span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;font-weight:900;margin-bottom:8px}
.application-step strong{display:block;color:var(--navy);margin-bottom:4px}
.application-step p{margin:0;color:var(--muted);font-size:.94rem}
.footer-nav{grid-template-columns:repeat(4,1fr)}
@media(max-width:1180px){
  .nav{gap:6px 11px}
  .nav a{font-size:.91rem}
}
@media(max-width:900px){
  .home-service-links,.summary-points,.fare-card-grid,.application-grid{grid-template-columns:1fr}
  .guide-lead,.fare-grid,.pass-intro{grid-template-columns:1fr}
}
@media(min-width:1101px){
  .header-inner{min-height:78px}
  .brand-mark,.brand-mark img{width:50px;height:50px;flex-basis:50px}
  .brand-ja{font-size:1.78rem}
  .brand-en{font-size:.76rem;letter-spacing:.11em}
  .nav{flex-wrap:nowrap;gap:8px 10px}
  .nav a{font-size:.88rem;white-space:nowrap}
}