:root{
  --bg:#fbf8f6; --card:#fff; --ink:#2b2522; --mute:#7c716b; --line:#ece4df;
  --accent:#b8576a; --accent-ink:#fff; --soft:#f6ebee;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.75 "Hiragino Sans","Noto Sans JP",system-ui,sans-serif}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.hd{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.hd-in{max-width:1080px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;justify-content:space-between}
.logo{text-decoration:none;font-weight:700;font-size:19px;letter-spacing:.06em;display:flex;flex-direction:column;line-height:1.2}
.logo small{font-size:10px;color:var(--mute);letter-spacing:.2em;font-weight:500}
.cart-link{position:relative;display:flex;padding:8px;color:var(--ink)}
.cart-count{position:absolute;top:0;right:-2px;min-width:18px;height:18px;border-radius:9px;background:#bbb;color:#fff;font-size:11px;line-height:18px;text-align:center;padding:0 4px}
.cart-count.on{background:var(--accent)}
.hd-note{margin:0;background:var(--soft);text-align:center;font-size:12px;padding:3px 0;color:var(--accent)}
.main{max-width:1080px;margin:0 auto;padding:16px}
.hero{padding:24px 4px 8px}
.hero h1{font-size:24px;line-height:1.45;margin:0 0 8px;letter-spacing:.04em}
.hero p{margin:0;color:var(--mute);font-size:14px}
.chips{display:flex;gap:8px;overflow-x:auto;padding:14px 0 6px;-webkit-overflow-scrolling:touch}
.chip{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-size:13px;color:var(--ink);cursor:pointer}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.h1{font-size:22px;margin:8px 0 16px}
.h2{font-size:17px;margin:28px 0 12px;padding-left:10px;border-left:3px solid var(--accent)}
.grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media(min-width:720px){.grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px;display:flex;flex-direction:column}
.card>a{text-decoration:none;flex:1}
.card-img{aspect-ratio:1;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:6px}
.card-img img{width:100%;height:100%;object-fit:contain}
.card-cat{margin:8px 0 0;font-size:11px;color:var(--mute)}
.card-name{margin:2px 0 4px;font-size:13px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-price{margin:0 0 8px;font-weight:700;font-size:16px}
.card-price small,.pd-price small{font-size:11px;font-weight:400;color:var(--mute)}
.btn{display:inline-block;border:0;border-radius:8px;padding:12px 18px;font-size:15px;font-weight:700;cursor:pointer;text-decoration:none;text-align:center;font-family:inherit}
.btn.add{background:var(--accent);color:var(--accent-ink)}
.btn.add:hover{filter:brightness(1.06)}
.btn.add:disabled{opacity:.6}
.btn.sm{padding:8px 6px;font-size:13px;width:100%}
.btn.ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn.wide{display:block;width:100%;margin-top:12px}
.crumb{font-size:12px;color:var(--mute);margin-bottom:12px}
.pd{display:grid;gap:20px}
@media(min-width:820px){.pd{grid-template-columns:1fr 1fr;gap:40px}}
.pd-img{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
.pd-brand{margin:0;font-size:12px;color:var(--mute)}
.pd-name{font-size:21px;line-height:1.5;margin:4px 0 8px}
.badge{display:inline-block;margin:0 0 8px;font-size:11px;border:1px solid var(--accent);color:var(--accent);border-radius:4px;padding:1px 8px}
.pd-price{font-size:26px;font-weight:700;margin:0}
.pd-ship{font-size:13px;color:var(--mute);margin:2px 0 14px}
.buy{display:flex;gap:10px;align-items:stretch}
.buy .btn{flex:1}
.qty{display:flex;align-items:center;gap:6px;font-size:13px}
.qty select,.form select,.form input{font:inherit;font-size:16px;padding:10px;border:1px solid #d9cfc9;border-radius:8px;background:#fff;color:var(--ink)}
.pd-lead{margin:18px 0 0}
.tags{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.tags li{background:var(--soft);color:var(--accent);border-radius:999px;padding:3px 12px;font-size:13px}
.spec{display:grid;grid-template-columns:7.5em 1fr;margin:0;border-top:1px solid var(--line)}
.spec dt,.spec dd{margin:0;padding:10px 8px;border-bottom:1px solid var(--line);font-size:14px}
.spec dt{color:var(--mute);background:#fff}
.spec dd{background:#fff;word-break:break-word}
.legal{grid-template-columns:9.5em 1fr}
@media(max-width:480px){.legal{grid-template-columns:1fr}.legal dt{border-bottom:0;padding-bottom:0;font-weight:700;color:var(--ink)}}
.full{margin-top:14px;font-size:13px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.full summary{cursor:pointer;font-weight:600}
.note,.muted{color:var(--mute)}
.small,.note{font-size:12px}
.cart{list-style:none;margin:0;padding:0}
.cart-row{display:grid;grid-template-columns:80px 1fr auto;gap:12px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:10px;align-items:start}
.cart-name{font-size:14px;font-weight:600;text-decoration:none;line-height:1.5}
.cart-price{margin:2px 0 6px;font-size:12px;color:var(--mute)}
.cart-qty{display:flex;align-items:center;gap:8px}
.cart-qty button{width:32px;height:32px;border:1px solid var(--line);background:#fff;border-radius:6px;font-size:16px;cursor:pointer;color:var(--ink)}
.cart-qty .del{width:auto;padding:0 10px;font-size:12px;color:var(--mute);margin-left:6px}
.cart-sub{margin:0;font-weight:700;white-space:nowrap}
.sum{display:grid;grid-template-columns:1fr auto;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:16px 0 0}
.sum dt,.sum dd{margin:0;padding:4px 0}
.sum dd{text-align:right}
.sum .tot{font-weight:700;font-size:17px;border-top:1px solid var(--line);padding-top:8px;margin-top:4px}
.empty{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px;text-align:center}
.steps{display:flex;list-style:none;padding:0;margin:0 0 16px;gap:6px;font-size:12px}
.steps li{flex:1;text-align:center;padding:6px 0;background:#efe9e5;border-radius:6px;color:var(--mute)}
.steps li.on{background:var(--ink);color:#fff}
.box{background:#fff;border:1px solid var(--line);border-radius:10px;padding:4px 16px 12px;margin-bottom:12px}
.mini{list-style:none;padding:0;margin:0;font-size:14px}
.mini li{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px dashed var(--line)}
.mini-tot{display:flex;justify-content:space-between;margin:10px 0 0;font-size:14px}
.mini-tot strong{font-size:18px}
.form{display:flex;flex-direction:column;gap:12px;max-width:640px}
.form label{display:block;font-size:14px;font-weight:600}
.form label>input,.form label>select{display:block;width:100%;margin-top:4px}
.form .req{display:inline-block;margin-left:6px;font-size:10px;background:var(--accent);color:#fff;border-radius:3px;padding:0 5px;vertical-align:2px;font-weight:500}
.form .radio{display:flex;flex-direction:row;align-items:flex-start;gap:8px;font-weight:500;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px}
.form .radio input{display:inline-block;margin-top:6px;width:18px;height:18px;flex:0 0 auto}
.form .invalid{border-color:#d33!important;background:#fff6f6}
.err{color:#c62828;font-size:14px;margin:0;min-height:1em}
.doc{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 16px 16px}
.doc h2{font-size:15px;margin:18px 0 4px}
.doc p{margin:4px 0;font-size:14px}
.doc .spec{border-top:0}
.ft{margin-top:40px;background:#2b2522;color:#ddd;padding:24px 16px 32px;font-size:13px}
.ft-nav{max-width:1080px;margin:0 auto 12px;display:flex;flex-wrap:wrap;gap:8px 18px}
.ft-nav a{color:#eee;text-decoration:none}
.ft-co,.ft-copy{max-width:1080px;margin:4px auto;color:#aaa}
.toast{position:fixed;left:50%;bottom:20px;transform:translate(-50%,40px);opacity:0;background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;font-size:14px;transition:.25s;z-index:20;white-space:nowrap;pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.toast a{color:#ffd3dc;margin-left:8px}