:root{
  --c-bg:#FAFAF8;--c-bg-alt:#F2EDE6;--c-text:#2A2420;--c-sub:#7A7470;
  --c-gold:#C9A96E;--c-gold-lt:#E8DBBC;--c-rule:#E2DBD0;
  --f-display:'Cormorant Garamond',serif;--f-body:'Noto Sans JP',sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--f-body);background:var(--c-bg);color:var(--c-text);font-weight:300;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(250,250,248,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-rule);display:flex;align-items:center;justify-content:space-between;padding:0 40px;height:64px;}
.nav-logo{font-family:var(--f-display);font-weight:300;font-size:20px;letter-spacing:6px;}
.nav-links{display:flex;gap:36px;list-style:none;font-size:11px;letter-spacing:2.5px;}
.nav-links a{color:var(--c-sub);transition:color .2s;}
.nav-links a:hover,.nav-links a.active{color:var(--c-gold);}
.nav-cta{font-size:11px;letter-spacing:2px;color:var(--c-gold);border:1px solid var(--c-gold);padding:8px 20px;transition:background .2s,color .2s;}
.nav-cta:hover{background:var(--c-gold);color:#fff;}
.page-hero{padding-top:64px;background:var(--c-bg-alt);border-bottom:1px solid var(--c-rule);}
.page-hero-inner{max-width:1100px;margin:0 auto;padding:52px 40px 44px;}
.breadcrumb{font-size:11px;color:var(--c-sub);letter-spacing:1.5px;margin-bottom:16px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.breadcrumb a:hover{color:var(--c-gold);}
.breadcrumb-sep{color:var(--c-rule);}
.hero-area-tag{display:inline-block;font-size:10px;letter-spacing:2px;color:var(--c-gold);border:1px solid var(--c-gold-lt);padding:3px 12px;margin-bottom:12px;}
h1{font-family:var(--f-display);font-weight:300;font-size:clamp(28px,4vw,44px);letter-spacing:.04em;color:var(--c-text);line-height:1.35;margin-bottom:20px;}
.hero-tel{font-family:var(--f-display);font-size:22px;color:var(--c-gold);letter-spacing:2px;margin-bottom:8px;}
.hero-addr{font-size:13px;color:var(--c-sub);letter-spacing:1px;}
.main{max-width:1100px;margin:0 auto;padding:72px 40px 100px;display:grid;grid-template-columns:1fr 340px;gap:64px;align-items:start;}
.content h2{font-family:var(--f-display);font-weight:300;font-size:clamp(22px,3vw,34px);color:var(--c-text);letter-spacing:.04em;margin-bottom:16px;line-height:1.3;}
.rule{width:36px;height:1px;background:var(--c-gold);margin:0 0 24px;}
.eyebrow{font-family:var(--f-display);font-style:italic;font-size:12px;letter-spacing:3px;color:var(--c-gold);display:block;margin-bottom:10px;}
.body-text{font-size:14px;color:var(--c-sub);line-height:2.2;margin-bottom:32px;}
.section-block{margin-bottom:56px;}
.collections-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:32px;}
.coll-item{border:1px solid var(--c-rule);padding:16px 14px;transition:border-color .2s;}
.coll-item:hover{border-color:var(--c-gold);}
.coll-it{font-family:var(--f-display);font-weight:400;font-size:16px;letter-spacing:.04em;color:var(--c-text);}
.coll-jp{font-size:11px;color:var(--c-sub);margin-top:3px;}
.coll-price{font-size:11px;color:var(--c-gold);margin-top:8px;letter-spacing:.5px;}
.material-row{display:flex;gap:16px;margin-bottom:28px;}
.mat-card{flex:1;border:1px solid var(--c-rule);padding:20px 16px;text-align:center;}
.mat-symbol{font-family:var(--f-display);font-weight:300;font-size:32px;color:var(--c-gold);line-height:1;}
.mat-name{font-size:12px;color:var(--c-sub);margin-top:6px;letter-spacing:1px;}
.mat-price{font-size:11px;color:var(--c-gold);margin-top:8px;}
.faq-list{margin-bottom:32px;}
.faq-item{border-bottom:1px solid var(--c-rule);}
.faq-q{display:flex;justify-content:space-between;align-items:flex-start;padding:18px 0;cursor:pointer;gap:16px;}
.faq-q-text{font-family:var(--f-display);font-weight:400;font-size:16px;color:var(--c-text);letter-spacing:.02em;line-height:1.5;}
.faq-toggle{color:var(--c-gold);font-size:20px;flex-shrink:0;transition:transform .2s;line-height:1;}
.faq-item.open .faq-toggle{transform:rotate(45deg);}
.faq-a{display:none;padding:0 0 18px;font-size:13px;color:var(--c-sub);line-height:2.1;max-width:600px;}
.faq-item.open .faq-a{display:block;}
.sidebar{position:sticky;top:84px;}
.sidebar-card{background:#fff;border:1px solid var(--c-rule);padding:28px 24px;margin-bottom:20px;}
.sidebar-card-title{font-family:var(--f-display);font-weight:400;font-size:16px;color:var(--c-text);letter-spacing:.04em;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--c-rule);}
.sidebar-info-row{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:13px;color:var(--c-sub);line-height:1.7;}
.sidebar-label{font-size:10px;letter-spacing:1.5px;color:var(--c-gold);flex-shrink:0;min-width:28px;margin-top:2px;}
.btn-call{display:block;background:var(--c-text);color:#FAFAF8;text-align:center;padding:14px;font-size:12px;letter-spacing:2px;margin-bottom:12px;transition:background .2s;}
.btn-call:hover{background:var(--c-gold);}
.btn-map{display:block;border:1px solid var(--c-rule);color:var(--c-sub);text-align:center;padding:13px;font-size:12px;letter-spacing:2px;transition:border-color .2s,color .2s;}
.btn-map:hover{border-color:var(--c-gold);color:var(--c-gold);}
.nearby-card{background:var(--c-bg-alt);border:1px solid var(--c-rule);padding:22px 20px;}
.nearby-title{font-size:11px;letter-spacing:2px;color:var(--c-gold);margin-bottom:10px;}
.nearby-text{font-size:12px;color:var(--c-sub);line-height:2;}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--c-sub);letter-spacing:1.5px;margin-bottom:48px;transition:color .2s;}
.back-link:hover{color:var(--c-gold);}
.back-link::before{content:'←';color:var(--c-gold);}
footer{background:#1E1A18;color:rgba(250,250,248,.45);padding:48px 40px 32px;}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap;}
.footer-logo{font-family:var(--f-display);font-weight:300;font-size:20px;letter-spacing:5px;color:rgba(250,250,248,.8);}
.footer-links-row{display:flex;gap:28px;flex-wrap:wrap;}
.footer-links-row a{font-size:12px;letter-spacing:1px;transition:color .2s;}
.footer-links-row a:hover{color:rgba(250,250,248,.85);}
.footer-copy{max-width:1100px;margin:28px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.06);font-size:11px;letter-spacing:1px;}
@media(max-width:900px){
  .nav-links,.nav-cta{display:none;}
  .main{grid-template-columns:1fr;gap:40px;padding:48px 20px 80px;}
  .sidebar{position:static;}
  .collections-grid{grid-template-columns:repeat(2,1fr);}
  .page-hero-inner{padding:40px 20px 36px;}
  .nav{padding:0 20px;}
  .material-row{flex-direction:column;}
}