:root{
  --bg:#0b0d10;
  --card:#12161c;
  --text:#e8edf2;
  --muted:#a8b3bf;
  --line:#232b35;
  --accent:#7bd6a7;
  --danger:#ff6b6b;
  --max: 980px;
  --radius: 16px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
a:hover{opacity:.9}
img{max-width:100%;height:auto;display:block}

header{
  border-bottom:1px solid var(--line);
  background:rgba(11,13,16,.9);
  position:sticky;top:0;backdrop-filter: blur(10px);
  z-index:10;
}
.nav{
  max-width:var(--max);
  margin:0 auto;
  padding:14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.brand{font-weight:700;letter-spacing:.02em}
.brand small{display:block;color:var(--muted);font-weight:500;font-size:12px;margin-top:2px}
.navlinks{display:flex;gap:14px;flex-wrap:wrap}
.navlinks a{padding:8px 10px;border-radius:10px;border:1px solid transparent;color:var(--muted)}
.navlinks a:hover{border-color:var(--line);color:var(--text)}

main{max-width:var(--max);margin:0 auto;padding:34px 18px}
.hero{
  background:linear-gradient(180deg, rgba(123,214,167,.08), rgba(123,214,167,0));
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:28px;
}
h1{margin:0 0 10px;font-size:28px}
h2{margin:26px 0 10px;font-size:20px}
p{margin:10px 0;color:var(--text)}
.muted{color:var(--muted)}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
}
.grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
@media (max-width:820px){ .grid{grid-template-columns:1fr} }

.badge{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:12px;
}
.badge.soon{border-color:rgba(255,255,255,.2);color:var(--text)}
.warning{
  margin-top:16px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(255,107,107,.35);
  background:rgba(255,107,107,.08);
  color:var(--text);
}
.products{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
@media (max-width:820px){ .products{grid-template-columns:1fr} }
.product{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.product .inner{padding:16px}
.product h3{margin:0 0 8px;font-size:18px}
.product p{margin:8px 0;color:var(--muted)}
.cta{
  margin-top:auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  border-top:1px solid var(--line);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
  font-weight:600;
  cursor:pointer;
}
.btn:hover{border-color:rgba(255,255,255,.25)}
.btn.primary{border-color:rgba(123,214,167,.45);background:rgba(123,214,167,.12)}
.btn.danger{border-color:rgba(255,107,107,.45);background:rgba(255,107,107,.12)}

footer{
  border-top:1px solid var(--line);
  margin-top:38px;
}
.footer-inner{
  max-width:var(--max);
  margin:0 auto;
  padding:18px 18px 26px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted)}
.small{font-size:12px;color:var(--muted)}
.legal-warning{font-size:12px;color:var(--muted)}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}
table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{width:240px;background:rgba(255,255,255,.03);text-align:left;color:var(--muted);font-weight:600}
@media (max-width:820px){ th{width:140px} }

/* Age Gate */
.agegate-overlay{
  position:fixed;inset:0;
  background:rgba(0,0,0,.72);
  display:none;
  align-items:center;
  justify-content:center;
  padding:18px;
  z-index:9999;
}
.agegate-modal{
  width:100%;
  max-width:520px;
  border-radius:20px;
  border:1px solid var(--line);
  background:var(--card);
  padding:18px;
}
.agegate-modal h2{margin:6px 0 8px}
.agegate-modal label{display:block;margin:10px 0 6px;color:var(--muted);font-size:13px}
.agegate-modal input{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
}
.agegate-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.agegate-row .btn{flex:1}
.agegate-error{color:var(--danger);font-size:13px;margin-top:10px;min-height:18px}