/* ── リセット & ベース ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Georgia', 'Noto Serif JP', serif;
  color: #3a3a3a;
  background: #faf8f5;
  line-height: 1.8;
}
a { color: #8b6914; text-decoration: none; transition: color .2s; }
a:hover { color: #c49b1a; }

/* ── ヘッダー ── */
.header {
  position: fixed; top: 0; width: 100%; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(180,160,120,.15);
}
.header-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
}
.logo {
  font-size: 1.6rem; font-weight: 400; letter-spacing: .08em;
  color: #8b6914;
  font-style: italic;
}
.nav { display: flex; gap: 28px; list-style: none; }
.nav a { color: #777; font-size: .85rem; font-weight: 400; letter-spacing: .05em; }
.nav a:hover { color: #8b6914; }
.hamburger { display: none; background: none; border: none; color: #8b6914; font-size: 1.5rem; cursor: pointer; }

/* ── ヒーロー ── */
.hero {
  min-height: 85vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
  position: relative;
  padding: 120px 24px 80px;
}
.hero::before {
  content: '';
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(255,255,255,.82);
}
.hero > div { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(2rem, 6vw, 3.2rem);
  font-weight: 400;
  color: #3a3a3a;
  letter-spacing: .08em;
  line-height: 1.6;
  margin-bottom: 20px;
}
.hero h1 span { color: #8b6914; display: block; }
.hero p { font-size: 1rem; color: #999; max-width: 520px; margin: 0 auto 36px; font-weight: 300; }
.btn-primary {
  display: inline-block;
  padding: 14px 40px;
  background: linear-gradient(135deg, #c49b1a, #8b6914);
  color: #fff; font-weight: 400; font-size: .95rem;
  border-radius: 40px; letter-spacing: .05em;
  transition: transform .2s, box-shadow .2s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139,105,20,.25);
  color: #fff;
}

/* ── セクション ── */
.section {
  max-width: 1100px; margin: 0 auto;
  padding: 80px 24px;
}
.section-title {
  font-size: 1.5rem; font-weight: 400;
  color: #3a3a3a; letter-spacing: .05em;
  margin-bottom: 8px; text-align: center;
}
.section-sub { color: #aaa; text-align: center; margin-bottom: 48px; font-size: .9rem; font-weight: 300; }
.divider {
  border: none; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(180,160,120,.3), transparent);
  margin: 0;
}

/* ── カテゴリカード ── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.cat-card {
  background: #fff;
  border: 1px solid rgba(180,160,120,.15);
  border-radius: 16px;
  padding: 36px 24px;
  text-align: center;
  transition: all .3s;
  cursor: pointer;
}
.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(139,105,20,.1);
  border-color: rgba(180,160,120,.3);
}
.cat-icon {
  width: 64px; height: 64px; margin: 0 auto 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f5efe5, #ece5d8);
  border: 1px solid rgba(139,105,20,.12);
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 600; color: #8b6914;
  letter-spacing: .03em; font-family: 'Helvetica Neue', sans-serif;
}
.cat-card h3 { font-size: 1.1rem; font-weight: 400; color: #3a3a3a; margin-bottom: 8px; letter-spacing: .03em; }
.cat-card p { font-size: .8rem; color: #aaa; font-weight: 300; }

/* ── 商品カード ── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}
.product-card {
  background: #fff;
  border: 1px solid rgba(180,160,120,.12);
  border-radius: 14px;
  overflow: hidden;
  transition: all .3s;
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(139,105,20,.08);
}
.product-img {
  width: 100%; height: 200px;
  object-fit: cover;
  background: linear-gradient(135deg, #f5f0e8, #ece5d8);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: #8b6914; font-style: italic; letter-spacing: .05em;
}
.product-info { padding: 18px; }
.product-name { font-size: .95rem; font-weight: 400; color: #3a3a3a; margin-bottom: 6px; }
.product-desc { font-size: .8rem; color: #aaa; margin-bottom: 10px; font-weight: 300; }
.product-price { font-size: 1.1rem; font-weight: 600; color: #8b6914; margin-bottom: 12px; }
.product-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.product-tag {
  padding: 2px 10px; border-radius: 20px; font-size: .7rem;
  background: rgba(139,105,20,.06); color: #8b6914; border: 1px solid rgba(139,105,20,.12);
}
.buy-link {
  display: block; text-align: center; padding: 10px;
  background: linear-gradient(135deg, #c49b1a, #8b6914);
  color: #fff; font-size: .85rem; border-radius: 8px;
  transition: opacity .2s; letter-spacing: .03em;
}
.buy-link:hover { opacity: .85; color: #fff; }
.buy-sub { text-align: center; font-size: .75rem; color: #999; margin-top: 8px; }
.buy-sub a { color: #8b6914; font-weight: 500; }

/* ── フッター ── */
.footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid rgba(180,160,120,.15);
  color: #bbb;
  font-size: .8rem;
  background: #fff;
}

/* ── レスポンシブ ── */
@media (max-width: 768px) {
  .nav { display: none; }
  .hamburger { display: block; }
  .nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 60px; right: 24px;
    background: #fff;
    padding: 20px; border-radius: 12px;
    gap: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,.08);
  }
}
