@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500;600;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root{
  --black: #121110;
  --black-soft: #1c1a18;
  --black-card: #221f1c;
  --gold: #c7a568;
  --gold-soft: #ddc295;
  --ivory: #f3ede1;
  --ivory-dim: #cfc6b4;
  --line: rgba(199,165,104,.22);
  --maxw: 1180px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--black);
  color:var(--ivory);
  font-family:'Noto Sans JP',sans-serif;
  font-weight:300;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.serif{font-family:'Noto Serif JP',serif;}

/* ---------- Top announcement bar ---------- */
.topbar{
  background:var(--gold);
  color:var(--black);
  text-align:center;
  font-size:12.5px;
  letter-spacing:.08em;
  padding:7px 12px;
}

/* ---------- Header ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(18,17,16,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 24px;max-width:var(--maxw);margin:0 auto;
}
.logo{
  font-family:'Noto Serif JP',serif;
  font-size:24px;letter-spacing:.12em;color:var(--ivory);
  display:flex;flex-direction:column;align-items:flex-start;line-height:1.2;
}
.logo span{font-size:10px;letter-spacing:.3em;color:var(--gold);font-family:'Noto Sans JP',sans-serif;}
nav.main-nav{display:flex;gap:34px;}
nav.main-nav a{
  font-size:13.5px;letter-spacing:.08em;color:var(--ivory-dim);
  position:relative;padding:4px 0;transition:color .25s;
}
nav.main-nav a:hover,nav.main-nav a.active{color:var(--gold);}
nav.main-nav a:hover::after,nav.main-nav a.active::after{
  content:'';position:absolute;left:0;bottom:-6px;width:100%;height:1px;background:var(--gold);
}
.header-icons{display:flex;align-items:center;gap:18px;}
.icon-btn{width:20px;height:20px;color:var(--ivory-dim);cursor:pointer;transition:color .2s;}
.icon-btn:hover{color:var(--gold);}
.burger{display:none;width:24px;height:24px;color:var(--ivory);cursor:pointer;}

@media(max-width:900px){
  nav.main-nav{display:none;}
  .burger{display:block;}
}

/* mobile drawer */
.drawer{
  position:fixed;inset:0;background:rgba(18,17,16,.98);z-index:100;
  display:flex;flex-direction:column;padding:28px 28px;
  transform:translateX(100%);transition:transform .35s ease;
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;justify-content:flex-end;margin-bottom:40px;}
.drawer-close{width:26px;height:26px;color:var(--ivory);cursor:pointer;}
.drawer a{display:block;font-size:17px;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ivory-dim);}
.drawer a.active{color:var(--gold);}

/* ---------- Hero ---------- */
.hero{position:relative;height:88vh;min-height:560px;overflow:hidden;}
.hero img{width:100%;height:100%;object-fit:cover;filter:brightness(.52) saturate(.9);}
.hero-content{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;padding:0 20px;
}
.hero-eyebrow{
  color:var(--gold);letter-spacing:.35em;font-size:12px;margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,5vw,54px);font-weight:600;color:var(--ivory);
  letter-spacing:.06em;line-height:1.5;margin-bottom:22px;
}
.hero p{color:var(--ivory-dim);font-size:15px;max-width:520px;margin:0 auto 34px;letter-spacing:.03em;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--gold);color:var(--gold);
  padding:14px 38px;font-size:13px;letter-spacing:.18em;
  transition:all .3s;
}
.btn:hover{background:var(--gold);color:var(--black);}
.btn-solid{background:var(--gold);color:var(--black);border:1px solid var(--gold);}
.btn-solid:hover{background:transparent;color:var(--gold);}

/* ---------- Trust strip ---------- */
.trust{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-bottom:1px solid var(--line);
}
.trust div{
  padding:26px 18px;text-align:center;border-right:1px solid var(--line);
}
.trust div:last-child{border-right:none;}
.trust .num{font-family:'Noto Serif JP',serif;color:var(--gold);font-size:22px;display:block;margin-bottom:4px;}
.trust .label{font-size:11.5px;color:var(--ivory-dim);letter-spacing:.06em;}
@media(max-width:700px){.trust{grid-template-columns:repeat(2,1fr);}
  .trust div:nth-child(2){border-right:none;}
}

/* ---------- Section heading ---------- */
.section{padding:90px 0;}
.section.tight{padding:60px 0;}
.sec-head{text-align:center;margin-bottom:54px;}
.sec-eyebrow{color:var(--gold);font-size:11.5px;letter-spacing:.3em;margin-bottom:14px;display:block;}
.sec-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:600;letter-spacing:.06em;margin-bottom:16px;}
.sec-head p{color:var(--ivory-dim);font-size:14px;max-width:560px;margin:0 auto;}
.divider{width:46px;height:1px;background:var(--gold);margin:20px auto 0;}

/* ---------- About / concept ---------- */
.concept{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.concept img{border:1px solid var(--line);}
.concept h3{font-size:22px;font-weight:600;letter-spacing:.05em;margin-bottom:20px;}
.concept p{color:var(--ivory-dim);font-size:14.5px;margin-bottom:16px;}
.badge-row{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}
.badge{
  display:flex;align-items:center;gap:8px;border:1px solid var(--line);
  padding:9px 16px;font-size:12px;color:var(--gold-soft);letter-spacing:.04em;
}
.badge svg{width:15px;height:15px;color:var(--gold);}
@media(max-width:860px){.concept{grid-template-columns:1fr;gap:32px;}}

/* ---------- Category grid ---------- */
.cat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line);
}
.cat-card{
  position:relative;aspect-ratio:1/1;overflow:hidden;background:var(--black-soft);
}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s;filter:brightness(.62);}
.cat-card:hover img{transform:scale(1.08);}
.cat-card .label{
  position:absolute;left:0;bottom:0;right:0;padding:18px 16px;
  background:linear-gradient(to top,rgba(0,0,0,.75),transparent);
}
.cat-card .label .jp{font-family:'Noto Serif JP',serif;font-size:15px;color:var(--ivory);display:block;}
.cat-card .label .en{font-size:10px;letter-spacing:.15em;color:var(--gold-soft);}
@media(max-width:900px){.cat-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:620px){.cat-grid{grid-template-columns:repeat(2,1fr);}}

/* ---------- Product grid ---------- */
.prod-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:34px;}
.chip-row{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  border:1px solid var(--line);padding:8px 18px;font-size:12px;color:var(--ivory-dim);
  letter-spacing:.04em;cursor:pointer;transition:.25s;
}
.chip.active,.chip:hover{border-color:var(--gold);color:var(--gold);}
.sort{font-size:12px;color:var(--ivory-dim);border:1px solid var(--line);padding:8px 14px;background:transparent;letter-spacing:.04em;}

.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px 22px;}
.prod-card{position:relative;}
.prod-thumb{position:relative;aspect-ratio:1/1;overflow:hidden;background:var(--black-card);margin-bottom:14px;}
.prod-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.prod-card:hover .prod-thumb img{transform:scale(1.06);}
.tag{
  position:absolute;top:10px;left:10px;background:var(--black);color:var(--gold);
  font-size:10px;letter-spacing:.08em;padding:4px 10px;border:1px solid var(--gold);
}
.tag.sale{color:#e6b4a6;border-color:#e6b4a6;}
.wish{
  position:absolute;top:10px;right:10px;width:30px;height:30px;border-radius:50%;
  background:rgba(18,17,16,.7);display:flex;align-items:center;justify-content:center;
  color:var(--ivory);cursor:pointer;
}
.wish svg{width:15px;height:15px;}
.prod-card h4{font-size:13.5px;font-weight:400;color:var(--ivory-dim);margin-bottom:6px;letter-spacing:.02em;}
.prod-card .price{font-family:'Noto Serif JP',serif;color:var(--gold-soft);font-size:15px;}
.prod-card .price del{color:var(--ivory-dim);font-size:12px;margin-right:8px;opacity:.6;}
@media(max-width:980px){.prod-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:680px){.prod-grid{grid-template-columns:repeat(2,1fr);gap:20px 14px;}}

.center-btn{text-align:center;margin-top:52px;}

/* ---------- Mission banner ---------- */
.mission{position:relative;padding:110px 0;text-align:center;overflow:hidden;}
.mission img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.3);z-index:-1;}
.mission .wrap{max-width:680px;}
.mission h2{font-size:clamp(22px,3vw,30px);font-weight:600;margin-bottom:22px;letter-spacing:.05em;}
.mission p{color:var(--ivory-dim);font-size:14.5px;margin-bottom:10px;}

/* ---------- Instagram ---------- */
.insta-head{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:6px;}
.insta-head svg{width:18px;height:18px;color:var(--gold);}
.insta-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;}
.insta-grid a{position:relative;aspect-ratio:1/1;overflow:hidden;display:block;}
.insta-grid img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.insta-grid a:hover img{transform:scale(1.1);}
@media(max-width:860px){.insta-grid{grid-template-columns:repeat(3,1fr);}}

/* ---------- Voice / reviews ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.voice-card{border:1px solid var(--line);padding:30px 26px;background:var(--black-card);}
.stars{color:var(--gold);font-size:13px;margin-bottom:14px;letter-spacing:.1em;}
.voice-card p{font-size:13.5px;color:var(--ivory-dim);margin-bottom:18px;}
.voice-name{font-size:12px;color:var(--gold-soft);letter-spacing:.05em;}
@media(max-width:860px){.voice-grid{grid-template-columns:1fr;}}

/* ---------- Guide page blocks ---------- */
.guide-hero{
  position:relative;padding:130px 0 70px;text-align:center;border-bottom:1px solid var(--line);
}
.breadcrumb{font-size:11.5px;color:var(--ivory-dim);letter-spacing:.05em;margin-bottom:18px;}
.breadcrumb a{color:var(--gold-soft);}
.accordion{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-q{
  display:flex;justify-content:space-between;align-items:center;
  padding:24px 4px;cursor:pointer;font-size:15px;letter-spacing:.02em;
}
.acc-q svg{width:16px;height:16px;color:var(--gold);transition:transform .3s;flex-shrink:0;margin-left:20px;}
.acc-item.open .acc-q svg{transform:rotate(45deg);}
.acc-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.acc-item.open .acc-a{max-height:400px;}
.acc-a p{padding:0 4px 24px;color:var(--ivory-dim);font-size:13.5px;}

.guide-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.guide-col{border:1px solid var(--line);padding:32px 26px;}
.guide-col svg{width:26px;height:26px;color:var(--gold);margin-bottom:18px;}
.guide-col h3{font-size:16px;margin-bottom:12px;letter-spacing:.03em;}
.guide-col p{font-size:13px;color:var(--ivory-dim);}
@media(max-width:860px){.guide-cols{grid-template-columns:1fr;}}

.timeline{border-left:1px solid var(--line);padding-left:30px;margin-left:10px;}
.tl-item{position:relative;padding-bottom:46px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:'';position:absolute;left:-35px;top:3px;width:9px;height:9px;border-radius:50%;
  background:var(--gold);
}
.tl-item .step{font-size:11px;color:var(--gold);letter-spacing:.15em;margin-bottom:8px;}
.tl-item h4{font-size:15.5px;margin-bottom:8px;}
.tl-item p{font-size:13px;color:var(--ivory-dim);}

/* ---------- Lecture / support callout ---------- */
.support-box{
  display:flex;gap:40px;align-items:center;border:1px solid var(--gold);padding:44px;
}
.support-box img{width:220px;height:220px;object-fit:cover;flex-shrink:0;border:1px solid var(--line);}
.support-box h3{font-size:19px;margin-bottom:14px;letter-spacing:.03em;}
.support-box p{font-size:13.5px;color:var(--ivory-dim);margin-bottom:10px;}
@media(max-width:760px){.support-box{flex-direction:column;}}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);padding:70px 0 26px;margin-top:40px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px;}
.foot-logo{font-family:'Noto Serif JP',serif;font-size:21px;letter-spacing:.1em;margin-bottom:16px;}
.foot-grid p{font-size:12.5px;color:var(--ivory-dim);}
.foot-col h5{font-size:12px;letter-spacing:.1em;color:var(--gold);margin-bottom:18px;}
.foot-col a{display:block;font-size:13px;color:var(--ivory-dim);margin-bottom:11px;}
.foot-col a:hover{color:var(--gold);}
.sns-row{display:flex;gap:14px;margin-top:18px;}
.sns-row a{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;}
.sns-row svg{width:15px;height:15px;color:var(--ivory-dim);}
.sns-row a:hover{border-color:var(--gold);}
.sns-row a:hover svg{color:var(--gold);}
.foot-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:11px;color:var(--ivory-dim);}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr;}}

/* demo badge */
.demo-flag{
  position:fixed;left:18px;bottom:18px;z-index:200;
  background:var(--gold);color:var(--black);font-size:11px;letter-spacing:.06em;
  padding:9px 16px;border-radius:3px;box-shadow:0 4px 18px rgba(0,0,0,.4);
}