@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;800&family=Noto+Sans+JP:wght@300;400;500;700&family=EB+Garamond:ital@0;1&display=swap');

:root{
  --paper:#FAF8F3;
  --paper-deep:#F2EEE4;
  --ink:#1C1C1A;
  --ink-soft:#3D3A34;
  --gold:#B08D57;
  --gold-bright:#C9A86A;
  --gold-pale:#E8E2D5;
  --gold-deep:#8A6A3A;
  --line:rgba(176,141,87,.35);
  --max:1180px;
  --serif:'Shippori Mincho', serif;
  --sans:'Noto Sans JP', sans-serif;
  --eng:'EB Garamond', serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-soft);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.9;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;font-weight:600;}

.wrap{max-width:var(--max);margin:0 auto;padding:0 32px;}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(250,248,243,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:84px;
}
.brand{
  font-family:var(--serif);
  font-size:1.25rem;
  letter-spacing:.18em;
  color:var(--ink);
  display:flex;align-items:center;gap:10px;
}
.brand .mark{color:var(--gold);font-size:1.4rem;}
.brand-logo img{
  height:34px;
  width:auto;
  display:block;
}
.gnav{display:flex;gap:44px;}
.gnav a{
  font-size:.82rem;letter-spacing:.12em;
  position:relative;padding-bottom:6px;
  color:var(--ink-soft);
}
.gnav a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--gold);transition:width .4s ease;
}
.gnav a:hover::after,.gnav a.is-active::after{width:100%;}
.gnav a.is-active{color:var(--ink);}
.nav-toggle{display:none;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 38px;
  font-size:.8rem;letter-spacing:.16em;
  border:1px solid var(--ink);
  background:var(--ink);
  color:var(--paper);
  position:relative;overflow:hidden;
  transition:color .4s ease, background .4s ease;
}
.btn:hover{background:transparent;color:var(--ink);}
.btn-gold{border-color:var(--gold);background:var(--gold);}
.btn-gold:hover{background:transparent;color:var(--gold-deep);}

/* ===== Gold divider ===== */
.divider{
  display:flex;align-items:center;justify-content:center;gap:18px;
  margin:0 auto;
}
.divider .ln{height:1px;width:64px;background:linear-gradient(90deg,transparent,var(--gold));}
.divider .ln.r{background:linear-gradient(90deg,var(--gold),transparent);}
.divider .dot{width:5px;height:5px;border:1px solid var(--gold);transform:rotate(45deg);}

/* ===== Eyebrow ===== */
.eyebrow{
  font-family:var(--eng);font-style:italic;
  color:var(--gold);
  letter-spacing:.22em;
  font-size:.95rem;
  display:block;
  margin-bottom:14px;
}

/* ===== Sections ===== */
section{padding:140px 0;}
.section-head{text-align:center;margin-bottom:80px;}
.section-head h2{font-size:2.4rem;letter-spacing:.08em;margin-bottom:22px;}
.section-head p{max-width:560px;margin:0 auto;font-size:.95rem;color:var(--ink-soft);}

/* ===== Page hero (sub pages) ===== */
.page-hero{
  padding:200px 0 100px;
  text-align:center;
  background:
    radial-gradient(ellipse at top,rgba(176,141,87,.08),transparent 60%),
    var(--paper);
  border-bottom:1px solid var(--line);
}
.page-hero h1{font-size:2.6rem;letter-spacing:.1em;margin-bottom:18px;}
.page-hero .crumb{font-size:.78rem;letter-spacing:.1em;color:var(--ink-soft);opacity:.7;}
.page-hero .crumb a{color:var(--gold);}

/* ===== Footer ===== */
footer{
  background:var(--ink);
  color:var(--gold-pale);
  padding:90px 0 30px;
}
footer .f-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:50px;
  padding-bottom:60px;border-bottom:1px solid rgba(201,168,106,.2);
}
footer h3{color:var(--gold-bright);font-size:.78rem;letter-spacing:.18em;margin-bottom:22px;font-family:var(--sans);font-weight:500;}
footer .f-brand{font-family:var(--serif);color:var(--paper);font-size:1.3rem;letter-spacing:.18em;margin-bottom:18px;}
footer .f-desc{font-size:.85rem;line-height:2;color:rgba(232,226,213,.65);max-width:280px;}
footer ul{list-style:none;padding:0;margin:0;}
footer li{margin-bottom:13px;font-size:.85rem;}
footer a{color:rgba(232,226,213,.75);transition:color .3s;}
footer a:hover{color:var(--gold-bright);}
.f-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:28px;font-size:.75rem;color:rgba(232,226,213,.4);
  letter-spacing:.08em;
}

/* ===== utility reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s ease,transform 1s ease;}
.reveal.is-in{opacity:1;transform:none;}

@media(max-width:900px){
  .gnav{
    position:fixed;inset:84px 0 0 0;background:var(--paper);
    flex-direction:column;align-items:center;justify-content:center;
    gap:36px;transform:translateX(100%);transition:transform .5s ease;
  }
  .gnav.is-open{transform:translateX(0);}
  .nav-toggle{
    display:flex;flex-direction:column;gap:5px;cursor:pointer;
    background:none;border:none;z-index:200;padding:0;
  }
  .nav-toggle span{width:26px;height:1px;background:var(--ink);}
  footer .f-grid{grid-template-columns:1fr 1fr;}
  section{padding:90px 0;}
  .page-hero{padding:160px 0 70px;}
}