/* ===== 商品紹介ページ専用スタイル ===== */
.page-head{padding:140px 0 70px;text-align:center;background:linear-gradient(180deg,#f5f5f7,#fff)}

/* 商品カード（画像＋情報の2カラム） */
.product{
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:40px;margin-bottom:40px;
}
.product:last-of-type{margin-bottom:0}

/* 商品画像（写真を入れるまでのプレースホルダー） */
.product-photo{
  border-radius:14px;min-height:320px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;letter-spacing:.1em;
}
.product-photo span{opacity:.85}
.photo-1{background:linear-gradient(135deg,#a08a6a,#6e5a3f)}
.photo-2{background:linear-gradient(135deg,#b88a6a,#8a5d3f)}
.photo-3{background:linear-gradient(135deg,#6f8f86,#4a6a60)}

.product-cat-badge{display:inline-block;background:var(--gray-bg);color:var(--text-sub);font-size:12px;padding:5px 14px;border-radius:20px;margin-bottom:16px}
.product-name{font-size:26px;font-weight:700;line-height:1.4;margin-bottom:16px}
.product-desc{font-size:15px;color:var(--text-sub);line-height:1.9;margin-bottom:22px}
.product-features{list-style:none;margin-bottom:28px}
.product-features li{font-size:14px;padding:6px 0 6px 26px;position:relative}
.product-features li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}

/* 購入ボタン群 */
.buy-buttons{display:flex;flex-direction:column;gap:10px}
.buy-btn{
  display:block;text-align:center;font-size:14px;font-weight:500;
  padding:13px 20px;border-radius:10px;transition:transform .2s,opacity .2s;
}
.buy-btn:hover{transform:translateY(-1px);opacity:.92}
.buy-rakuten{background:#bf0000;color:#fff}
.buy-yahoo{background:#ff0033;color:#fff}
.buy-amazon{background:#232f3e;color:#fff}
.buy-temu{background:#fb7701;color:#fff}
.buy-base{background:#1d1d1f;color:#fff}
.buy-shopify{background:#5a863e;color:#fff}
.buy-own{background:var(--blue);color:#fff}
.buy-disabled{background:#f0f0f2;color:#a1a1a6;cursor:not-allowed}
.buy-disabled:hover{transform:none;opacity:1}

@media(max-width:768px){
  .page-head{padding:110px 0 50px}
  .product{grid-template-columns:1fr;gap:24px;padding:22px}
  .product-photo{min-height:220px}
  .product-name{font-size:21px}
}