/*
 * 赤羽METS（/mets/）固有CSS
 * 対応元: mets/index.html の本文ぶん。共通の枠は header.php/footer.php/style.css。
 * ※同名クラス（.page-hero / .hero-* / .about-body / .btn-red 等）は style.css の後ろに読み込まれ優先。
 */

/* HERO */
.page-hero{margin-top:60px;background:var(--ink);padding:52px 72px 44px;position:relative;overflow:hidden;}
.page-hero::before{content:'METS';font-family:'Cormorant Garamond',serif;font-size:200px;font-weight:300;color:rgba(255,255,255,.022);position:absolute;right:-20px;top:50%;transform:translateY(-50%);line-height:1;pointer-events:none;white-space:nowrap;}
.page-hero::after{content:'';position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(90deg,transparent,transparent 119px,rgba(255,255,255,.015) 119px,rgba(255,255,255,.015) 120px),repeating-linear-gradient(0deg,transparent,transparent 79px,rgba(255,255,255,.01) 79px,rgba(255,255,255,.01) 80px);}
.page-hero .hero-inner{position:relative;z-index:1;max-width:none;}
.page-hero .hero-eyebrow{font-family:'Cormorant Garamond',serif;font-size:13px;letter-spacing:.45em;color:var(--gold-lt);display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.page-hero .hero-eyebrow::before{content:'';display:block;width:40px;height:1px;background:var(--gold-lt);}
.page-hero .hero-h1{font-family:'Noto Serif JP',serif;font-weight:900;font-size:clamp(32px,4vw,56px);color:#fff;line-height:1.4;letter-spacing:.06em;margin-bottom:14px;}
.page-hero .hero-h1 span{font-family:'Noto Serif JP',serif;font-weight:400;font-size:.4em;letter-spacing:.18em;color:var(--gold-lt);display:block;margin-bottom:10px;}
.page-hero .hero-sub{font-size:14px;color:rgba(255,255,255,.4);line-height:1.85;max-width:500px;border-left:2px solid var(--gold);padding-left:20px;}

/* BREADCRUMB */
.breadcrumb{background:var(--warm);border-bottom:1px solid var(--border);padding:14px 72px;display:flex;gap:8px;align-items:center;}
.breadcrumb a{font-size:13px;color:var(--muted);text-decoration:none;letter-spacing:.08em;transition:color .2s;}
.breadcrumb a:hover{color:var(--red);}
.breadcrumb span{font-size:13px;color:var(--border);}
.breadcrumb .current{font-size:13px;color:var(--ink);letter-spacing:.08em;}

/* GALLERY SLIDER */
.gallery-section{background:var(--ink);}
.gallery-wrap{position:relative;overflow:hidden;}
.gallery-track{display:flex;transition:transform .7s cubic-bezier(.22,.61,.36,1);}
.gallery-slide{min-width:100%;height:780px;position:relative;flex-shrink:0;}
.gallery-slide img{width:100%;height:100%;object-fit:cover;display:block;}
.gallery-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(21,18,16,.5) 0%,rgba(21,18,16,.05) 35%,transparent 60%);pointer-events:none;}
.gallery-caption{position:absolute;bottom:0;left:0;right:0;padding:32px 72px;z-index:2;}
.gallery-cap-label{font-size:12px;letter-spacing:.35em;color:var(--gold-lt);margin-bottom:8px;display:flex;align-items:center;gap:10px;}
.gallery-cap-label::before{content:'';display:block;width:24px;height:1px;background:var(--gold-lt);}
.gallery-cap-text{font-family:'Noto Serif JP',serif;font-size:16px;color:#fff;font-weight:600;}
.gallery-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:48px;height:48px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .25s;backdrop-filter:blur(4px);}
.gallery-btn:hover{background:rgba(255,255,255,.22);}
#gallery-prev{left:72px;}
#gallery-next{right:72px;}
.gallery-dots{position:absolute;bottom:36px;right:72px;z-index:3;display:flex;gap:8px;align-items:center;}
.gallery-dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.3);border:none;cursor:pointer;transition:background .25s,transform .25s;padding:0;}
.gallery-dot.active{background:var(--gold-lt);transform:scale(1.4);}
.gallery-counter{position:absolute;top:32px;right:72px;z-index:3;font-family:'Cormorant Garamond',serif;font-size:14px;color:rgba(255,255,255,.35);letter-spacing:.18em;}

/* ABOUT */
.about-section{padding:88px 72px;background:var(--cream);}
.about-head{max-width:780px;margin-bottom:48px;}
.about-cols{display:grid;grid-template-columns:1fr 320px;gap:64px;align-items:start;}
.section-eyebrow{font-family:'Cormorant Garamond',serif;font-size:13px;letter-spacing:.45em;color:var(--gold);display:flex;align-items:center;gap:14px;margin-bottom:22px;}
.section-eyebrow::before{content:'';display:block;width:36px;height:1px;background:var(--gold);}
.section-h2{font-family:'Noto Serif JP',serif;font-size:clamp(20px,2.4vw,30px);font-weight:900;color:var(--ink);line-height:1.55;margin-bottom:28px;}
.about-body{font-size:14px;color:var(--muted);line-height:2.3;max-width:none;}
.about-history{border-left:2px solid var(--gold);padding-left:20px;}
.history-item{display:flex;gap:20px;padding:14px 0;border-bottom:1px solid var(--warm);}
.history-item:last-child{border-bottom:none;}
.history-year{font-family:'Cormorant Garamond',serif;font-size:16px;color:var(--gold);white-space:nowrap;flex-shrink:0;width:60px;}
.history-desc{font-size:13px;color:var(--muted);line-height:1.9;}
.about-stats{border-top:1px solid var(--border);}
.stat-card{padding:20px 2px;border-bottom:1px solid var(--border);}
.stat-label{font-family:'Cormorant Garamond',serif;font-size:13px;letter-spacing:.28em;color:var(--gold);margin-bottom:8px;}
.stat-val{font-family:'Noto Serif JP',serif;font-size:20px;font-weight:600;color:var(--ink);line-height:1.5;}
.stat-sub{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7;}

/* ARCHIVES */
.archive-section{background:var(--ink);padding:88px 72px;}
.arch-eyebrow{font-family:'Cormorant Garamond',serif;font-size:13px;letter-spacing:.45em;color:var(--gold-lt);display:flex;align-items:center;gap:14px;margin-bottom:22px;}
.arch-eyebrow::before{content:'';display:block;width:36px;height:1px;background:var(--gold);}
.arch-h2{font-family:'Noto Serif JP',serif;font-size:clamp(20px,2.4vw,30px);font-weight:900;color:#fff;line-height:1.5;margin-bottom:12px;}
.arch-lead{font-size:14px;color:rgba(255,255,255,.38);line-height:1.85;max-width:560px;margin-bottom:52px;}
.arch-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:3px;}
.arch-grid.featured{grid-template-columns:repeat(2,1fr);}
.arch-photo{position:relative;overflow:hidden;aspect-ratio:3/2;cursor:pointer;}
.arch-photo img{width:100%;height:100%;object-fit:cover;display:block;filter:sepia(.22) contrast(.96) brightness(1.04);transition:filter .5s,transform .6s cubic-bezier(.22,.61,.36,1);}
.arch-photo:hover img{filter:sepia(.08) contrast(1) brightness(1.1);transform:scale(1.04);}
.arch-photo-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(21,18,16,.5) 0%,transparent 45%);pointer-events:none;}
.arch-photo-info{position:absolute;bottom:0;left:0;right:0;padding:16px 18px;}
.arch-photo-num{font-family:'Cormorant Garamond',serif;font-size:28px;color:rgba(255,255,255,.12);line-height:1;margin-bottom:4px;}
.arch-photo-label{font-size:12px;letter-spacing:.25em;color:var(--gold-lt);}

/* FLOOR GUIDE */
.floor-section{background:var(--warm);padding:88px 72px;}
.floor-section .section-eyebrow{color:var(--gold);}
.floor-section .section-h2{color:var(--ink);}
.floor-intro{font-size:14px;color:var(--muted);line-height:1.85;max-width:520px;margin-bottom:56px;}
.floor-row{display:grid;grid-template-columns:80px 1fr;gap:0;margin-bottom:3px;align-items:stretch;}
.floor-label{background:var(--white);border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px 0;gap:4px;}
.floor-label-num{font-family:'Cormorant Garamond',serif;font-size:28px;color:var(--gold);line-height:1;}
.floor-label-f{font-size:12px;letter-spacing:.2em;color:var(--muted);}
.floor-cards{display:grid;gap:3px;}
.floor-cards.cols-1{grid-template-columns:1fr;}
.floor-cards.cols-2{grid-template-columns:1fr 1fr;}
.floor-cards.cols-3{grid-template-columns:1fr 1fr 1fr;}
.floor-cards.cols-4{grid-template-columns:1fr 1fr 1fr 1fr;}
.tc{position:relative;overflow:hidden;border:1px solid var(--border);border-bottom:2px solid transparent;transition:border-color .3s,box-shadow .3s;text-decoration:none;display:block;background:var(--white);}
.tc:hover{border-bottom-color:var(--gold);box-shadow:0 6px 20px rgba(21,18,16,.08);}
.tc-img{height:115px;overflow:hidden;background:#f2eee6;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border);}
.tc-img img{width:100%;height:100%;object-fit:contain;display:block;}
.tc-body{padding:20px 22px 22px;}
.tc-cat{font-size:12px;letter-spacing:.3em;color:var(--gold);border:1px solid rgba(160,120,32,.35);padding:2px 9px;display:inline-block;margin-bottom:10px;}
.tc-name{font-family:'Noto Serif JP',serif;font-size:14px;font-weight:600;color:var(--ink);line-height:1.6;margin-bottom:6px;}
.tc-tel{font-family:'Cormorant Garamond',serif;font-size:14px;color:var(--muted);letter-spacing:.05em;}
.tc.wide{display:flex;align-items:stretch;}
.tc.wide .tc-img{width:290px;min-width:290px;flex-shrink:0;height:auto;border-bottom:none;border-right:1px solid var(--border);}
.tc.wide .tc-img img{width:290px;height:115px;}
.tc.wide .tc-body{display:flex;flex-direction:column;justify-content:center;padding:24px 32px;}
.tc.wide .tc-name{font-size:16px;margin-bottom:8px;}
.tc.wide .tc-tel{font-size:15px;}
.tc.wide .tc-desc{font-size:13px;color:var(--muted);line-height:1.9;margin-top:10px;}
.tc-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;letter-spacing:.2em;color:var(--gold);transition:gap .25s;}
.tc-link:hover{gap:12px;}
.tc-link::after{content:'→';}

/* ACCESS */
.access-section{background:var(--cream);padding:88px 72px;}
.access-body{display:grid;grid-template-columns:1fr 420px;gap:60px;align-items:start;margin-top:48px;}
.map-wrap{overflow:hidden;background:var(--warm);aspect-ratio:16/10;}
.map-wrap iframe{width:100%;height:100%;border:0;display:block;}
.access-row{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--border);}
.access-row:first-child{padding-top:0;}
.access-key{font-size:12px;letter-spacing:.2em;color:var(--gold);width:72px;flex-shrink:0;padding-top:2px;}
.access-val{font-size:14px;color:var(--ink);line-height:1.9;}
.access-val strong{font-weight:500;display:block;margin-bottom:2px;}
.access-val small{font-size:13px;color:var(--muted);}

/* CTA */
.cta-strip{background:var(--ink);padding:72px 72px;display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;overflow:hidden;}
.cta-strip::before{content:'CONTACT';font-family:'Cormorant Garamond',serif;font-size:120px;font-weight:300;color:rgba(255,255,255,.02);position:absolute;right:-10px;top:50%;transform:translateY(-50%);pointer-events:none;white-space:nowrap;}
.cta-inner{position:relative;z-index:1;}
.cta-tag{font-family:'Cormorant Garamond',serif;font-size:13px;letter-spacing:.35em;color:var(--gold-lt);display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.cta-tag::before{content:'';display:block;width:28px;height:1px;background:var(--gold);}
.cta-title{font-family:'Noto Serif JP',serif;font-size:clamp(18px,2vw,28px);font-weight:900;color:#fff;line-height:1.55;}
.cta-body{margin-top:12px;font-size:14px;color:rgba(255,255,255,.4);line-height:1.85;max-width:440px;}
.cta-btns{display:flex;flex-direction:column;gap:10px;flex-shrink:0;position:relative;z-index:1;}
.btn-red{background:var(--red);color:#fff;padding:16px 40px;font-size:14px;font-family:'Noto Sans JP',sans-serif;font-weight:500;letter-spacing:.1em;text-decoration:none;display:inline-block;text-align:center;transition:background .25s;border:1px solid var(--red);}
.btn-red:hover{background:var(--red-lt);}
.btn-outline-w{background:transparent;color:rgba(255,255,255,.7);padding:16px 40px;font-size:14px;font-family:'Noto Sans JP',sans-serif;letter-spacing:.1em;text-decoration:none;display:inline-block;text-align:center;border:1px solid rgba(255,255,255,.2);transition:border-color .25s,color .25s;}
.btn-outline-w:hover{border-color:rgba(255,255,255,.5);color:#fff;}

/* RESPONSIVE */
@media(max-width:1100px){
  .floor-cards.cols-4{grid-template-columns:1fr 1fr;}
}
@media(max-width:980px){
  .page-hero,.about-section,.archive-section,.floor-section,.access-section,.cta-strip,.breadcrumb{padding-left:24px;padding-right:24px;}
  .page-hero{padding-top:38px;padding-bottom:32px;}
  .gallery-slide{height:520px;}
  #gallery-prev{left:16px;}
  #gallery-next{right:16px;}
  .gallery-dots,.gallery-counter{right:16px;}
  .gallery-caption{padding:20px 24px;}
  .about-section{padding-top:60px;padding-bottom:60px;}
  .about-cols{grid-template-columns:1fr;gap:40px;}
  .archive-section{padding-top:60px;padding-bottom:60px;}
  .arch-grid,.arch-grid.featured{grid-template-columns:1fr 1fr;}
  .floor-section{padding-top:60px;padding-bottom:60px;}
  .floor-row{grid-template-columns:60px 1fr;}
  .floor-cards.cols-3{grid-template-columns:1fr 1fr;}
  .tc.wide{flex-direction:column;}
  .tc.wide .tc-img{width:100%;min-width:auto;height:115px;}
  .access-section{padding-top:60px;padding-bottom:60px;}
  .access-body{grid-template-columns:1fr;gap:32px;}
  .cta-strip{flex-direction:column;align-items:flex-start;padding-top:52px;padding-bottom:52px;}
  .cta-btns{width:100%;}
  .btn-red,.btn-outline-w{width:100%;}
}
@media(max-width:580px){
  .gallery-slide{height:360px;}
  .arch-grid,.arch-grid.featured{grid-template-columns:1fr;}
  .floor-cards.cols-2,.floor-cards.cols-3,.floor-cards.cols-4{grid-template-columns:1fr;}
}