/* shop.css — HIGEGORO ACADEMY STORE (建築図面×教育ブランド) */
:root {
  --deep:#123653; --dark:#0B2740; --blue:#2B9FD0; --cyan:#52C7E8; --pale:#EAF6FC;
  --bg:#F4F8FB; --line:#DCE7EF; --ink:#0B2945; --sub:#6F8298; --coral:#FF6B57;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { background:var(--bg); }
body { font-family:'Noto Sans JP','Hiragino Sans',sans-serif; color:var(--ink); min-height:100vh;
  display:flex; flex-direction:column; }
body::before { content:''; position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:linear-gradient(90deg, rgba(43,143,196,.035) 1px, transparent 1px),
             linear-gradient(rgba(43,143,196,.035) 1px, transparent 1px);
  background-size:56px 56px; }
.testband { background:#F3A21A; color:#4A2E00; text-align:center; font-size:12.5px; font-weight:700; padding:6px; }
.site-hd { background:linear-gradient(135deg, var(--deep), var(--dark)); color:#FFF;
  padding:14px 28px; display:flex; align-items:center; gap:24px; flex-wrap:wrap; }
.site-hd .brand { text-decoration:none; color:#FFF; }
.wordmark { font-family:'IBM Plex Sans',sans-serif; font-size:18px; font-weight:700; letter-spacing:.05em; }
.wordmark small { display:block; font-family:'Noto Sans JP',sans-serif; font-size:10.5px; font-weight:500;
  color:#9DB8DC; letter-spacing:.12em; margin-top:2px; }
.site-hd nav { margin-left:auto; display:flex; gap:18px; }
.site-hd nav a { color:#CBE3F2; text-decoration:none; font-size:13px; font-weight:600; }
.site-hd nav a:hover { color:#FFF; }
.main { flex:1; width:100%; max-width:980px; margin:0 auto; padding:28px 24px 48px; }
.pagelead { color:var(--sub); font-size:13.5px; margin-bottom:18px; }
h1.page { font-size:26px; font-weight:700; color:var(--deep); margin-bottom:16px; position:relative; padding-left:14px; }
h1.page::before { content:''; position:absolute; left:0; top:50%; transform:translateY(-50%);
  width:4px; height:28px; background:linear-gradient(180deg, var(--cyan), var(--blue)); border-radius:2px; }
.card { background:#FFF; border:1px solid var(--line); border-radius:12px; padding:24px; margin-bottom:18px;
  box-shadow:0 8px 24px rgba(11,41,69,.06); }
.card.brandpanel { border-color:#A8D7EC; position:relative; overflow:hidden;
  clip-path:polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%); }
.card.brandpanel::before { content:''; position:absolute; top:0; left:0; width:46px; height:3px; background:var(--cyan); }
.prod-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(300px, 1fr)); gap:20px; }
.badge { display:inline-block; background:var(--pale); color:var(--blue); border:1px solid #A8D7EC;
  font-size:11.5px; font-weight:700; padding:3px 12px; border-radius:999px; margin-bottom:10px; }
.prod h2 { font-size:18px; font-weight:700; line-height:1.5; margin-bottom:8px; }
.prod .lead { font-size:13.5px; color:var(--sub); line-height:1.8; margin-bottom:14px; }
.price { font-family:'IBM Plex Sans',sans-serif; font-size:32px; font-weight:700; color:var(--deep);
  font-variant-numeric:tabular-nums; }
.price small { font-size:13px; color:var(--sub); font-weight:500; margin-left:4px; }
.provisional { font-size:11px; color:#B45309; background:#FEF3C7; padding:2px 8px; border-radius:6px; margin-left:8px; }
.btn-coral { display:inline-flex; align-items:center; gap:8px; background:var(--coral); color:#FFF;
  font-size:15px; font-weight:700; height:48px; padding:0 26px; border:none; cursor:pointer;
  text-decoration:none; letter-spacing:.04em; margin-top:14px;
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  border-radius:6px 6px 0 6px; transition:background 150ms ease; }
.btn-coral:hover { background:#E85846; }
ul.points { margin:12px 0 4px 2px; list-style:none; }
ul.points li { font-size:13.5px; line-height:2; padding-left:24px; position:relative; }
ul.points li::before { content:''; position:absolute; left:2px; top:9px; width:12px; height:7px;
  border-left:2.5px solid var(--blue); border-bottom:2.5px solid var(--blue); transform:rotate(-45deg); }
.form-row { margin-bottom:14px; }
.form-row label { display:block; font-size:12.5px; font-weight:700; color:var(--sub); margin-bottom:6px; }
.form-row input { width:100%; height:46px; border:1px solid var(--line); border-radius:8px; padding:0 14px;
  font-size:15px; font-family:inherit; }
.form-row input:focus { outline:2px solid var(--cyan); border-color:var(--cyan); }
.summary-line { display:flex; justify-content:space-between; font-size:14px; padding:10px 0;
  border-bottom:1px solid var(--line); }
.summary-line b { font-variant-numeric:tabular-nums; }
.note { font-size:12px; color:var(--sub); line-height:1.9; margin-top:12px; }
.site-ft { background:var(--dark); color:#9DB8DC; font-size:12px; padding:20px 28px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }
.site-ft a { color:#CBE3F2; }
.done-num { font-family:'IBM Plex Sans',sans-serif; font-size:30px; font-weight:700; color:var(--deep); }
table.tokusho { width:100%; border-collapse:collapse; font-size:13.5px; }
table.tokusho th, table.tokusho td { border:1px solid var(--line); padding:11px 14px; text-align:left; }
table.tokusho th { background:#F4F8FB; width:220px; color:var(--sub); font-weight:600; }
@media (max-width:640px) { .main { padding:20px 16px 40px; } h1.page { font-size:22px; } }