/* ===== カーテン演出 ===== */
.curtain-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  z-index: 9999;
  pointer-events: none;
}

.curtain-panel {
  flex: 1;
  background: #111;
  transition: transform 1.15s cubic-bezier(.8, 0, .2, 1);
}

.curtain-overlay.open .curtain-panel.left {
  transform: translateX(-100vw);
}

.curtain-overlay.open .curtain-panel.right {
  transform: translateX(100vw);
}

/* ===== ページ固有のトップバー変数（products基準） ===== */
:root {
  --topbar-height: 54px;
  --topbar-blur: 4px;
  --topbar-bg: rgba(255, 255, 255, 0.35);
}

/* ===== 初期状態：全画面背景、クリック後：上部バンド ===== */
body {
  background: #fff;
  margin: 0;
}

.bg-image {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: url('../images/products/products_main.webp') center center / cover no-repeat;
  transition: height 1s cubic-bezier(.77, 0, .25, 1), box-shadow .5s;
  height: 100vh;
  box-shadow: none;
  pointer-events: none;
}

/* ===== ナビ（中央→上固定） ※見た目は style.css に統一済み ===== */
.products-menu { /* 中央時：共通で制御 */
}
.products-menu.fixed { /* 上部固定時：共通で制御 */
}

.menu-item {
  color: #111;              /* 固定後の文字色（共通でも定義済み） */
  text-decoration: none;
  font-family: 'Montserrat','Helvetica Neue',Arial,sans-serif;
  letter-spacing: .12em;
  font-size: .9rem;
  padding: .35em .7em;
  line-height: 1.2;
  border-radius: 8px;
  transition: color .16s, background .16s, border-color .16s;
  border-bottom: 2px solid transparent;
}

.products-menu:not(.fixed) .menu-item {
  color: #f0eff0;
  text-shadow: 0 2px 10px rgba(0,0,0,.6);
}

.menu-item:hover {
  border-bottom-color: #222;
}

.menu-item.back-home {
  padding: 0 .3rem;
}

.back-icon {
  height: 28px;
  width: auto;
  display: block;
}

/* ===== コンテンツ（表示/非表示、スクロール） ===== */
.products-area {
  position: fixed;
  left: 0;
  right: 0;
  top: 100vh;
  bottom: 0;
  z-index: 20;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: top 1s cubic-bezier(.7, .1, .3, 1), opacity .6s;
  background: linear-gradient(#ffffff, #f9f9f7);
}

/* ※ top は style.css の [data-content-scroll].show が制御 */
.products-area.show {
  opacity: 1;
  pointer-events: auto;
}

/* ===== セクション ===== */
.category-section {
  max-width: 800px;
  margin: 0 auto;
}

.cat-title {
  font-size: 1.6rem;
  letter-spacing: .1em;
  font-weight: 600;
  margin: 18px 0 12px;
}

.cat-note {
  opacity: .7;
  font-size: .95rem;
}

/* ===== products-carousel（art仕様互換） ===== */
/* ===== products-carousel（artと同じサイズ感に統一） ===== */
.products-carousel {
  position: relative;
  width: 50vw;
  margin: 0 auto 16px auto;   /* 中央寄せ＋下に少し余白 */
  display: flex;
  align-items: center;
  overflow: hidden;
}

.products-carousel-track {
  display: flex;
  transition: transform 0.6s ease;
  width: 50vw;
  max-width: 900px;
  aspect-ratio: 5 / 4;
}

.products-carousel-track picture {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  display: block;
}

.products-carousel-track picture img {
  width: 50vw;
  max-width: 900px;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  display: block;
  background: #222;
}

/* ナビボタン */
.products-carousel-btn {
  background: none;
  border: none;
  font-size: 2rem;
  color: #2f2a1f;
  cursor: pointer;
  user-select: none;
  z-index: 100;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  padding: 0 8px;
}

.products-carousel-prev {
  left: 10px;
}

.products-carousel-next {
  right: 10px;
}

.products-menu:not(.fixed) ~ .products-area .products-carousel-btn {
  color: #6b5a30;
}


/* ナビボタン */
.products-carousel-btn {
  background: none;
  border: none;
  font-size: 2rem;
  color: #bababa;
  cursor: pointer;
  user-select: none;
  z-index: 100;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  padding: 0 8px;
}

.products-carousel-prev {
  left: 10px;
}

.products-carousel-next {
  right: 10px;
}

.products-menu:not(.fixed) ~ .products-area .products-carousel-btn {
  color: #d0d0d0;
}

/* ===== 商品グリッド ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 14px;
}

.product-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .06);
  overflow: hidden;
}

.product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.product-card figcaption {
  padding: 10px 12px;
  font-size: .95rem;
  letter-spacing: .04em;
}

.placeholder {
  background: repeating-linear-gradient(135deg, #f1f1ef 0 12px, #e6e4df 12px 24px);
}

/* ===== レスポンシブ ===== */
@media (max-width: 980px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-carousel-track {
    height: min(48vh, 420px);
  }
}

@media (max-width: 640px) {
  .product-grid {
    grid-template-columns: 1fr;
  }

  .cat-title {
    font-size: 1.3rem;
  }
}