:root { --ink: #2d2a26; --paper: #faf7f2; --accent: #b5703a; --line: #e4ddd2; }
* { box-sizing: border-box; }
body { margin: 0; font-family: "Hiragino Sans", "Noto Sans JP", sans-serif; color: var(--ink); background: var(--paper); line-height: 1.7; }
img { max-width: 100%; height: auto; }
.site-header { display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: #fff; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); text-decoration: none; }
.site-nav ul { display: flex; flex-wrap: wrap; gap: 4px 14px; list-style: none; margin: 0; padding: 0; font-size: .9rem; }
.site-nav a { color: var(--ink); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--accent); font-weight: 700; }
.menu-toggle { display: none; margin-left: auto; }
main { max-width: 1080px; margin: 0 auto; padding: 20px; }
.breadcrumb { font-size: .85rem; margin-bottom: 12px; }
.breadcrumb a { color: var(--accent); }
.hero { padding: 40px 0 24px; text-align: center; }
.category-list, .product-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; list-style: none; padding: 0; }
.category-list a { display: block; color: var(--ink); text-decoration: none; text-align: center; }
.product-card a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 10px; color: var(--ink); text-decoration: none; }
.product-card .name { display: block; margin-top: 6px; font-size: .95rem; }
.price { color: var(--accent); font-weight: 700; }
.product { display: grid; grid-template-columns: 3fr 2fr; gap: 24px; }
.gallery-thumbs { display: flex; gap: 8px; list-style: none; padding: 0; }
.gallery-thumbs button { padding: 0; border: 2px solid transparent; background: none; cursor: pointer; width: 120px; }
.gallery-thumbs button.on { border-color: var(--accent); }
.spec { border-collapse: collapse; width: 100%; }
.spec th, .spec td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; }
.category-hero { position: relative; }
.category-hero h1 { position: absolute; left: 24px; bottom: 12px; margin: 0; color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,.4); }
.news-list { list-style: none; padding: 0; }
.news-list time { display: inline-block; width: 7em; font-weight: 700; }
.site-footer { margin-top: 40px; padding: 20px; text-align: center; font-size: .85rem; background: #fff; border-top: 1px solid var(--line); }
.footer-links { display: flex; justify-content: center; gap: 16px; list-style: none; padding: 0; }
@media (max-width: 720px) {
  .menu-toggle { display: inline-block; }
  .site-nav { display: none; width: 100%; }
  .site-nav.open { display: block; }
  .product { grid-template-columns: 1fr; }
}