:root{
  --bg:#0e1020; --bg2:#161a33; --panel:#1d2247; --panel2:#242a55;
  --ink:#e9ecff; --muted:#9aa3d0; --line:#2e356b;
  --gold:#e7c56b; --gold2:#f3d59a; --accent:#6f7bf7; --accent2:#8b97ff;
  --ok:#3fbf7f; --err:#ff6b7d;
  --radius:14px; --shadow:0 6px 22px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;overflow-x:hidden}
body{
  background:radial-gradient(1200px 700px at 50% -10%,#1c2247 0%,var(--bg) 55%) fixed;
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;
  line-height:1.6; min-height:100vh;
}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

/* ── Header ── */
.header{position:sticky;top:0;z-index:50;background:rgba(14,16,32,.86);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1180px;margin:0 auto;padding:12px 18px;
  display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;
  color:var(--gold);letter-spacing:.02em;white-space:nowrap}
.brand .crown{font-size:22px}
.search{flex:1;display:flex;min-width:0}
.search input{width:100%;padding:10px 14px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg2);color:var(--ink);font-size:15px}
.search input::placeholder{color:var(--muted)}
.header-actions{display:flex;align-items:center;gap:14px;white-space:nowrap}
.header-actions a{color:var(--ink);font-size:14px;display:flex;align-items:center;gap:6px}
.cart-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;
  padding:0 6px;border-radius:999px;background:var(--gold);color:#231a00;font-size:12px;font-weight:800}

/* ── Layout ── */
.wrap{max-width:1180px;margin:0 auto;padding:22px 18px 60px}
.layout{display:grid;grid-template-columns:230px 1fr;gap:22px}
.panel{background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow)}
h1,h2,h3{margin:.2em 0 .5em}
h1{font-size:24px}
.muted{color:var(--muted)}
.small{font-size:13px}

/* ── Filters ── */
.filters{padding:16px;position:sticky;top:76px}
.filters>summary{display:none}   /* デスクトップは常時 open（サマリ非表示） */
.filters h3{font-size:14px;color:var(--gold);text-transform:uppercase;letter-spacing:.08em;margin-top:14px}
.filters h3:first-child{margin-top:0}
.filter-list{display:flex;flex-direction:column;gap:4px}
.filter-list a{padding:6px 10px;border-radius:8px;color:var(--ink);font-size:14px}
.filter-list a:hover{background:var(--panel2);text-decoration:none}
.filter-list a.active{background:var(--accent);color:#fff;font-weight:700}
.ink-dot{display:inline-block;width:11px;height:11px;border-radius:50%;margin-right:8px;vertical-align:middle;
  border:1px solid rgba(255,255,255,.3)}

/* ── Toolbar ── */
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.toolbar select{padding:8px 12px;border-radius:8px;border:1px solid var(--line);background:var(--bg2);color:var(--ink)}

/* ── Product grid ── */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .12s,border-color .12s}
.card:hover{transform:translateY(-3px);border-color:var(--accent);text-decoration:none}
.card .thumb{aspect-ratio:5/7;background:#0b0d1c;display:flex;align-items:center;justify-content:center;position:relative}
.card .thumb img{width:100%;height:100%;object-fit:contain}
.badge-foil{position:absolute;top:8px;left:8px;background:linear-gradient(90deg,#c9a24b,#f6e4a6);
  color:#241a00;font-size:11px;font-weight:800;padding:2px 8px;border-radius:999px}
.card .info{padding:10px 12px 12px;display:flex;flex-direction:column;gap:4px}
.card .cname{color:var(--ink);font-weight:700;font-size:14px;line-height:1.35;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .csub{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:2px}
.tag{font-size:11px;padding:2px 7px;border-radius:999px;background:var(--panel2);color:var(--muted)}
.card .price{margin-top:6px;color:var(--gold2);font-weight:800;font-size:16px}
.card .price .from{color:var(--muted);font-size:11px;font-weight:600;margin-right:3px}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  padding:11px 18px;border-radius:10px;border:1px solid transparent;font-size:15px;font-weight:700;
  background:var(--panel2);color:var(--ink);transition:filter .12s}
.btn:hover{filter:brightness(1.12);text-decoration:none}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff}
.btn-gold{background:linear-gradient(90deg,#caa24d,#f3d59a);color:#241a00}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ── Detail ── */
.detail{display:grid;grid-template-columns:340px 1fr;gap:28px}
.detail .art{background:#0b0d1c;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.detail .art img{width:100%;border-radius:8px}
.spec{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:14px 0;font-size:14px}
.spec dt{color:var(--muted)}
.variant-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);
  border-radius:10px;margin-bottom:10px;background:var(--bg2)}
.variant-row .cond{font-weight:700}
.variant-row .vp{color:var(--gold2);font-weight:800;font-size:16px}
.variant-row .stock{color:var(--muted);font-size:13px}
.qtybox{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qtybox button{width:32px;height:34px;background:var(--panel2);color:var(--ink);border:0;cursor:pointer;font-size:16px}
.qtybox input{width:44px;height:34px;text-align:center;border:0;background:var(--bg);color:var(--ink)}

/* ── Cart / checkout ── */
.cart-item{display:grid;grid-template-columns:64px 1fr auto;gap:14px;align-items:center;
  padding:14px;border-bottom:1px solid var(--line)}
.cart-item img{width:64px;border-radius:6px}
.summary{padding:18px}
.summary .row{display:flex;justify-content:space-between;padding:6px 0}
.summary .row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:12px;
  font-size:20px;font-weight:800;color:var(--gold2)}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:5px}
.field input,.field textarea{width:100%;padding:11px 13px;border-radius:9px;border:1px solid var(--line);
  background:var(--bg2);color:var(--ink);font-size:15px;font-family:inherit}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ── Flash ── */
.flash{padding:12px 16px;border-radius:10px;margin-bottom:14px;font-size:14px}
.flash.ok{background:rgba(63,191,127,.15);border:1px solid var(--ok);color:#c9f5dd}
.flash.error{background:rgba(255,107,125,.13);border:1px solid var(--err);color:#ffd4da}

/* ── Table ── */
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th,table.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
table.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}
.pill.paid{background:rgba(63,191,127,.18);color:#8ef0b8}
.pill.pending{background:rgba(231,197,107,.16);color:var(--gold2)}
.pill.shipped{background:rgba(111,123,247,.2);color:#b7bfff}
.pill.needs_review,.pill.cancelled{background:rgba(255,107,125,.16);color:#ffb3bd}

/* ── Pagination ── */
.pager{display:flex;gap:8px;justify-content:center;margin-top:26px;flex-wrap:wrap}
.pager a,.pager span{padding:8px 13px;border-radius:8px;border:1px solid var(--line);color:var(--ink)}
.pager .cur{background:var(--accent);color:#fff;border-color:var(--accent)}

.empty{padding:60px 20px;text-align:center;color:var(--muted)}

/* ── Footer ── */
.footer{border-top:1px solid var(--line);margin-top:40px;padding:26px 18px;color:var(--muted);font-size:13px;text-align:center}

/* ── Responsive ── */
@media(max-width:860px){
  .layout{grid-template-columns:1fr}
  .filters{position:static;padding:12px 16px}
  .filters>summary{display:block;cursor:pointer;font-weight:800;color:var(--gold);
    list-style:none;padding:4px 2px;font-size:15px}
  .filters>summary::-webkit-details-marker{display:none}
  .filters[open]{padding-bottom:16px}
  .filters .fgroup{margin-top:10px}
  .detail{grid-template-columns:1fr}
  .detail .art{max-width:320px;margin:0 auto}
}
@media(max-width:600px){
  .brand span.txt{display:none}
  .header-inner{gap:10px;padding:10px 12px}
  .header-actions{gap:10px}
  .header-actions a span.lbl{display:none}
  .grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
  .grid2{grid-template-columns:1fr}
  .cart-item{grid-template-columns:52px 1fr;grid-auto-rows:auto}
}