/* ===== ORNIQUE DESIGN STUDIO — ORNIQUE ブランドサイトと同じデザイン言語 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root{
  --bg:#F1EFEE; --bg-plate:#E5E1DF; --bg-raise:#F8F6F5;
  --fg:#161214; --fg-soft:#5A5356; --rule:#CDC6C4; --rule-hair:#DCD5D3;
  --accent:#6B2032;
  --serif-display:"Bodoni Moda","Didot","Times New Roman",serif;
  --serif-jp:"Zen Old Mincho","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}

body{
  font-family:var(--sans); font-weight:300; font-size:15px; line-height:1.9;
  background:var(--bg); color:var(--fg); -webkit-font-smoothing:antialiased;
}
img{max-width:100%; height:auto; display:block}
a{color:inherit}

/* ---------- screens ---------- */
.screen{display:none; min-height:100vh}
.screen.active{display:flex; flex-direction:column; align-items:center; justify-content:center}
.screen-inner{width:100%; max-width:1140px; margin:0 auto; padding:clamp(48px,8vw,84px) 20px}
.center-content{text-align:center}
.center-content p{color:var(--fg-soft); font-size:.92rem}

.section-title{
  font-family:var(--serif-display); font-weight:400;
  font-size:clamp(1.9rem,5.4vw,2.9rem); line-height:1.05; letter-spacing:.03em;
  text-align:center; margin-bottom:clamp(34px,6vw,54px); position:relative; padding-bottom:22px;
}
.section-title::after{
  content:""; position:absolute; left:50%; bottom:0; transform:translateX(-50%);
  width:44px; height:1px; background:var(--accent);
}

/* ---------- top ---------- */
.top-container{
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:clamp(30px,5vw,46px); min-height:100vh; padding:40px 20px; text-align:center;
}
.logo{width:min(300px,64vw); opacity:.94}

/* ---------- buttons ---------- */
.btn-primary,.btn-back,.btn-share,.btn-share-instagram{
  font-family:var(--sans); font-size:.66rem; font-weight:500;
  letter-spacing:.22em; text-transform:uppercase; cursor:pointer;
  padding:15px 30px; border-radius:0; transition:background .35s,color .35s,border-color .35s,transform .35s var(--ease);
}
.btn-primary{background:var(--fg); color:var(--bg); border:1px solid var(--fg)}
.btn-primary:hover{background:var(--accent); border-color:var(--accent); transform:translateY(-1px)}
.btn-back{background:none; color:var(--fg-soft); border:1px solid var(--rule)}
.btn-back:hover{color:var(--fg); border-color:var(--fg)}
.btn-share{background:none; color:var(--fg); border:1px solid var(--fg)}
.btn-share:hover{color:var(--accent); border-color:var(--accent)}
.btn-share-instagram{background:var(--accent); color:#F1EFEE; border:1px solid var(--accent)}
.btn-share-instagram:hover{background:var(--fg); border-color:var(--fg)}
.btn-center{display:flex; flex-wrap:wrap; gap:12px; justify-content:center; margin-top:clamp(30px,5vw,44px)}

/* ---------- collection ---------- */
.collection-grid{display:grid; grid-template-columns:1fr; gap:2px; background:var(--rule-hair); border-block:1px solid var(--rule)}
@media (min-width:820px){.collection-grid{grid-template-columns:1fr 1fr}}
.collection-card{background:var(--bg); cursor:pointer; transition:background .4s var(--ease)}
.collection-card:hover{background:var(--bg-raise)}
.collection-card-image{position:relative; overflow:hidden; aspect-ratio:4/3; background:var(--bg-plate)}
.collection-card-image img{width:100%; height:100%; object-fit:cover; transition:transform 1.4s var(--ease)}
.collection-card:hover .collection-card-image img{transform:scale(1.045)}
.collection-card-inner{padding:clamp(22px,3vw,34px)}
.collection-card-inner h3{
  font-family:var(--serif-display); font-weight:400; font-size:clamp(1.5rem,3.6vw,2rem);
  letter-spacing:.05em; line-height:1.1; margin-bottom:10px;
}
.collection-price{font-family:var(--serif-display); font-size:1rem; color:var(--accent); font-variant-numeric:tabular-nums; margin-bottom:16px}
.collection-tagline{font-family:var(--serif-display); font-style:italic; font-size:.86rem; color:var(--fg-soft); margin-bottom:12px}
.collection-desc{font-family:var(--serif-jp); font-size:.95rem; margin-bottom:6px}
.collection-desc-sub{font-size:.82rem; color:var(--fg-soft); line-height:1.95}

/* ---------- model / design grids ---------- */
.model-grid,.design-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:30px 22px}
@media (min-width:760px){.model-grid,.design-grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}}
.model-card,.design-card{cursor:pointer; background:none; border:0; transition:transform .55s var(--ease)}
.model-card:hover,.design-card:hover{transform:translateY(-5px)}
.model-card img,.design-card img{
  width:100%; aspect-ratio:1; object-fit:cover; background:var(--bg-plate);
  border:1px solid var(--rule-hair); transition:box-shadow .6s var(--ease);
}
.model-card:hover img,.design-card:hover img{box-shadow:0 26px 40px -22px rgba(22,18,20,.45)}
.model-card-info,.design-card{margin-top:12px}
.model-card h3,.design-card h3,.model-card-info h3{
  font-family:var(--serif-display); font-weight:400; font-size:1.05rem; letter-spacing:.05em; margin-top:12px;
}
.model-type,.model-card-info p,.design-card p{
  font-size:.68rem; letter-spacing:.18em; text-transform:uppercase; color:var(--accent); margin-top:5px;
}

/* ---------- customize ---------- */
.custom-layout{display:grid; grid-template-columns:1fr; gap:34px; align-items:start; max-width:1240px}
@media (min-width:960px){.custom-layout{grid-template-columns:1.15fr .85fr; gap:48px}}
.custom-preview{position:sticky; top:20px}
.svg-container{
  position:relative; background:var(--bg-raise); border:1px solid var(--rule-hair);
  padding:clamp(14px,3vw,30px); min-height:240px;
}
.svg-container svg{width:100%; height:auto; display:block; position:relative; z-index:1}
.svg-container .watermark-logo{
  position:absolute; right:14px; bottom:14px; width:92px; opacity:.16; z-index:2; pointer-events:none;
}
.custom-panel{background:var(--bg-raise); border:1px solid var(--rule); padding:clamp(20px,3vw,32px)}
.custom-header{border-bottom:1px solid var(--rule); padding-bottom:18px; margin-bottom:24px}
.custom-header h2{
  font-family:var(--serif-display); font-weight:400; font-size:clamp(1.4rem,3.4vw,1.9rem);
  letter-spacing:.05em; line-height:1.1;
}
.custom-header p{font-size:.68rem; letter-spacing:.18em; text-transform:uppercase; color:var(--accent); margin-top:8px}

.parts-selector{display:grid; gap:26px}
.part-group{border-top:1px solid var(--rule-hair); padding-top:18px}
.part-group:first-child{border-top:0; padding-top:0}
.part-label{
  display:block; font-size:.62rem; font-weight:500; letter-spacing:.2em; text-transform:uppercase;
  color:var(--fg-soft); margin-bottom:12px;
}
.part-select-row{display:grid; grid-template-columns:1fr 1fr; gap:10px}
.part-select{
  width:100%; font:inherit; font-size:.85rem; color:var(--fg);
  background:var(--bg); border:1px solid var(--rule); border-radius:0; padding:10px 12px;
  appearance:none; background-image:linear-gradient(45deg,transparent 50%,var(--fg-soft) 50%),linear-gradient(135deg,var(--fg-soft) 50%,transparent 50%);
  background-position:calc(100% - 16px) 52%,calc(100% - 11px) 52%; background-size:5px 5px,5px 5px; background-repeat:no-repeat;
  cursor:pointer; transition:border-color .3s;
}
.part-select:hover{border-color:var(--fg-soft)}
.part-select:focus{outline:none; border-color:var(--accent)}

.swatch-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(62px,1fr)); gap:10px; margin-top:12px}
.swatch-item{cursor:pointer; text-align:center; transition:transform .4s var(--ease)}
.swatch-item:hover{transform:translateY(-2px)}
.swatch-item img{
  width:100%; aspect-ratio:1; object-fit:cover; border:1px solid var(--rule-hair);
  transition:border-color .3s,box-shadow .3s;
}
.swatch-item:hover img{border-color:var(--fg-soft)}
.swatch-item.active img{border-color:var(--accent); box-shadow:0 0 0 1px var(--accent)}
.swatch-item span{display:block; font-size:.6rem; letter-spacing:.08em; color:var(--fg-soft); margin-top:6px; line-height:1.5}
.swatch-item.active span{color:var(--accent)}

.auto-linked-info{
  font-size:.72rem; color:var(--fg-soft); background:var(--bg); border-left:2px solid var(--accent);
  padding:9px 12px; margin-top:10px; line-height:1.8;
}
.toggle-group{display:flex; gap:0; border:1px solid var(--rule); width:fit-content}
.toggle-btn{
  font:inherit; font-size:.64rem; letter-spacing:.18em; text-transform:uppercase; font-weight:500;
  background:none; border:0; color:var(--fg-soft); padding:10px 20px; cursor:pointer; transition:background .3s,color .3s;
}
.toggle-btn+.toggle-btn{border-left:1px solid var(--rule)}
.toggle-btn:hover{color:var(--fg)}
.toggle-btn.active{background:var(--fg); color:var(--bg)}
.option-check{display:flex; align-items:center; gap:10px; font-size:.85rem; cursor:pointer}
.option-check input{accent-color:var(--accent); width:15px; height:15px}
.option-price{font-family:var(--serif-display); font-size:.85rem; color:var(--accent); font-variant-numeric:tabular-nums}

/* ---------- price ---------- */
.price-display{
  display:flex; align-items:baseline; justify-content:space-between; gap:16px; flex-wrap:wrap;
  border-top:1px solid var(--rule); margin-top:28px; padding-top:18px;
}
.price-label{font-size:.62rem; font-weight:500; letter-spacing:.2em; text-transform:uppercase; color:var(--fg-soft)}
.price-value{font-family:var(--serif-display); font-size:clamp(1.3rem,3.4vw,1.7rem); letter-spacing:.02em; font-variant-numeric:tabular-nums}

/* ---------- specification / fitting ---------- */
.spec-form,.fitting-options{display:grid; gap:22px; max-width:640px; margin:0 auto}
.spec-group{border-top:1px solid var(--rule-hair); padding-top:18px}
.spec-group:first-child{border-top:0; padding-top:0}
.spec-group label,.spec-group .part-label{
  display:block; font-size:.62rem; font-weight:500; letter-spacing:.2em; text-transform:uppercase;
  color:var(--fg-soft); margin-bottom:10px;
}
.spec-group select,.spec-group input{
  width:100%; font:inherit; font-size:.9rem; color:var(--fg); background:var(--bg-raise);
  border:1px solid var(--rule); border-radius:0; padding:11px 12px;
}
.spec-group select:focus,.spec-group input:focus{outline:none; border-color:var(--accent)}
.spec-info{font-size:.76rem; color:var(--fg-soft); margin-top:8px; line-height:1.85}

.fitting-note{text-align:center; font-family:var(--serif-jp); font-size:.95rem; margin-bottom:32px; color:var(--fg-soft)}
.fitting-option{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  border:1px solid var(--rule); background:var(--bg-raise); padding:16px 18px; cursor:pointer;
  transition:border-color .3s,background .3s;
}
.fitting-option:hover{border-color:var(--fg-soft)}
.fitting-option.active{border-color:var(--accent); background:var(--bg)}
.fitting-option-label{font-size:.9rem; letter-spacing:.02em}
.fitting-option-price{font-family:var(--serif-display); font-size:1rem; color:var(--accent); font-variant-numeric:tabular-nums}

/* ---------- confirmation ---------- */
.confirm-layout{display:grid; grid-template-columns:1fr; gap:34px; align-items:start}
@media (min-width:860px){.confirm-layout{grid-template-columns:1fr 1fr; gap:48px}}
.confirm-preview{background:var(--bg-raise); border:1px solid var(--rule-hair); padding:clamp(14px,3vw,26px)}
.confirm-preview svg{width:100%; height:auto; display:block}
.confirm-details{font-size:.85rem}
.confirm-details h3{
  font-family:var(--serif-display); font-weight:400; font-size:1.2rem; letter-spacing:.05em;
  border-bottom:1px solid var(--rule); padding-bottom:12px; margin:0 0 16px;
}
.confirm-details table{width:100%; border-collapse:collapse}
.confirm-details tr{border-bottom:1px solid var(--rule-hair)}
.confirm-details th,.confirm-details td{padding:9px 0; text-align:left; vertical-align:top; font-weight:400}
.confirm-details th{
  font-size:.62rem; letter-spacing:.16em; text-transform:uppercase; color:var(--fg-soft);
  width:44%; font-weight:500; padding-right:14px;
}
.confirm-details td{font-variant-numeric:tabular-nums}
.confirm-details p{margin:0 0 .5em}

.customer-form{max-width:640px; margin:clamp(40px,6vw,60px) auto 0; display:grid; gap:18px}
.customer-form h3{
  font-family:var(--serif-display); font-weight:400; font-size:1.25rem; letter-spacing:.05em;
  border-bottom:1px solid var(--rule); padding-bottom:12px; margin-bottom:8px;
}
.form-group{display:grid; gap:7px}
.form-group label{font-size:.62rem; font-weight:500; letter-spacing:.18em; text-transform:uppercase; color:var(--fg-soft)}
.form-group input,.form-group select{
  width:100%; font:inherit; font-size:.95rem; color:var(--fg); background:var(--bg-raise);
  border:1px solid var(--rule); border-radius:0; padding:11px 12px;
}
.form-group input:focus,.form-group select:focus{outline:none; border-color:var(--accent)}
.form-group input::placeholder{color:#9a9295}

.confirm-notice{
  max-width:640px; margin:clamp(30px,5vw,44px) auto 0; border-left:2px solid var(--accent);
  background:var(--bg-raise); padding:18px 20px;
}
.confirm-notice p{font-size:.8rem; color:var(--fg-soft); line-height:1.95; margin:0 0 .4em}
.confirm-notice p:last-child{margin:0}
.confirm-buttons{display:flex; flex-wrap:wrap; gap:12px; justify-content:center; margin-top:clamp(30px,5vw,44px)}

/* ---------- share modal ---------- */
.share-modal-overlay{
  position:fixed; inset:0; z-index:100; display:flex; align-items:center; justify-content:center;
  background:rgba(22,18,20,.92); backdrop-filter:blur(6px); padding:24px;
}
.share-modal{
  position:relative; background:var(--bg); border:1px solid var(--rule);
  padding:clamp(24px,4vw,40px); max-width:480px; width:100%; max-height:92vh; overflow:auto; text-align:center;
}
.share-modal-close{
  position:absolute; top:10px; right:12px; background:none; border:0; font-size:1.5rem;
  line-height:1; color:var(--fg-soft); cursor:pointer; transition:color .3s;
}
.share-modal-close:hover{color:var(--accent)}
.share-modal-title{
  font-family:var(--serif-display); font-weight:400; font-size:1.5rem; letter-spacing:.05em; margin-bottom:8px;
}
.share-modal-desc{font-size:.78rem; letter-spacing:.06em; color:var(--fg-soft); margin-bottom:22px}
.share-modal-preview{background:var(--bg-plate); border:1px solid var(--rule-hair); margin-bottom:22px}
.share-preview-img{width:100%; height:auto; display:block}
.share-modal-actions{display:flex; flex-wrap:wrap; gap:12px; justify-content:center}
.share-mobile-hint{font-size:.74rem; color:var(--fg-soft); margin-top:16px; line-height:1.8}

/* ---------- misc ---------- */
#request-id-display{
  font-family:var(--serif-display); letter-spacing:.14em; color:var(--accent);
  margin-top:20px; font-variant-numeric:tabular-nums;
}
button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--accent); outline-offset:2px}

@media (max-width:759px){
  .custom-preview{position:static}
  .part-select-row{grid-template-columns:1fr}
  .price-display{flex-direction:column; align-items:flex-start; gap:6px}
}

/* ---------- language switch ---------- */
.langsw{
  position:fixed; top:18px; right:22px; z-index:60;
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--sans); font-size:.62rem; letter-spacing:.2em; color:var(--rule);
}
.langsw a{text-decoration:none; color:var(--fg-soft); transition:color .3s var(--ease)}
.langsw a:hover{color:var(--accent)}
.langsw a[aria-current="true"]{color:var(--fg); border-bottom:1px solid var(--accent); padding-bottom:2px}
@media (max-width:600px){.langsw{top:12px; right:14px}}