:root {
  --bg: #14110f;
  --text: #f2ebe0;
  --muted: #a59a8a;
  --gold: #c9a45c;
  --line: rgba(201, 164, 92, 0.35);
  --leader: rgba(242, 235, 224, 0.25);
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Meiryo", sans-serif;
  --nav-h: 52px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- ヘッダー ---------- */
.header {
  text-align: center;
  padding: calc(48px + env(safe-area-inset-top)) 16px 28px;
}

.header__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 2rem;
  letter-spacing: 0.08em;
}

/* ---------- カテゴリタブ ---------- */
.tabs {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(20, 17, 15, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.tabs__list {
  position: relative;
  display: flex;
  gap: 4px;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs__list::-webkit-scrollbar {
  display: none;
}

/* 中央寄せしつつ、カテゴリが増えて溢れても左端が切れないように */
.tabs__list > li:first-child {
  margin-left: auto;
}

.tabs__list > li:last-child {
  margin-right: auto;
}

.tabs__link {
  display: flex;
  align-items: center;
  height: var(--nav-h);
  padding: 0 16px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.tabs__link.is-active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- メニュー ---------- */
.menu {
  max-width: 760px;
  margin: 0 auto;
  padding: 8px 16px calc(64px + env(safe-area-inset-bottom));
}

.category {
  padding-top: 40px;
  scroll-margin-top: var(--nav-h);
}

.category__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-weight: 400;
}

.category__en {
  font-family: var(--serif);
  font-size: 1.375rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.category__ja {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.items {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* 左：商品名 / 中：点線 / 右：金額 */
.item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 0;
}

.item__name {
  flex: 0 1 auto;
  min-width: 0;
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.item__leader {
  flex: 1 1 24px;
  min-width: 16px;
  border-bottom: 1px dotted var(--leader);
  transform: translateY(-0.3em);
}

.price {
  flex: none;
  white-space: nowrap;
  text-align: right;
  font-size: 1.0625rem;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.price__yen {
  margin-left: 0.1em;
  font-size: 0.7em; /* 「円」だけ小さめ */
}

/* ---------- タブレット ---------- */
@media (min-width: 768px) {
  :root {
    --nav-h: 60px;
  }

  .header {
    padding-top: calc(72px + env(safe-area-inset-top));
    padding-bottom: 36px;
  }

  .header__title {
    font-size: 2.75rem;
  }

  .tabs__link {
    padding: 0 24px;
    font-size: 1rem;
  }

  .menu {
    padding-left: 40px;
    padding-right: 40px;
  }

  .category {
    padding-top: 56px;
  }

  .category__en {
    font-size: 1.75rem;
  }

  .category__ja {
    font-size: 0.875rem;
  }

  .item {
    padding: 16px 0;
  }

  .item__name {
    font-size: 1.1875rem;
  }

  .price {
    font-size: 1.25rem;
  }
}