/* =========================
   トップページ（カテゴリ一覧）
   ========================= */
.category-list-section {
  margin-top: 24px;
}

.section-title {
  margin: 0 0 16px;
  font-size: var(--font-size-3xl);
  line-height: var(--line-snug);
}

.category-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: stretch;
  width: 100%;
}

.category-card {
  --category-bg: var(--card-bg);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  min-height: 212px;
  background: var(--category-bg, var(--card-bg));
  border: 1px solid var(--panel-border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

/* =========================
   カテゴリ背景色（共通）
   ========================= */
.category-card[data-bg-index="0"],
.mobile-category-tab[data-bg-index="0"],
.is-mobile-tab-panel[data-card-index="0"] {
  --category-bg: var(--category-bg-0);
}

.category-card[data-bg-index="1"],
.mobile-category-tab[data-bg-index="1"],
.is-mobile-tab-panel[data-card-index="1"] {
  --category-bg: var(--category-bg-1);
}

.category-card[data-bg-index="2"],
.mobile-category-tab[data-bg-index="2"],
.is-mobile-tab-panel[data-card-index="2"] {
  --category-bg: var(--category-bg-2);
}

.category-card[data-bg-index="3"],
.mobile-category-tab[data-bg-index="3"],
.is-mobile-tab-panel[data-card-index="3"] {
  --category-bg: var(--category-bg-3);
}

.category-card[data-bg-index="4"],
.mobile-category-tab[data-bg-index="4"],
.is-mobile-tab-panel[data-card-index="4"] {
  --category-bg: var(--category-bg-4);
}

.category-card[data-bg-index="5"],
.mobile-category-tab[data-bg-index="5"],
.is-mobile-tab-panel[data-card-index="5"] {
  --category-bg: var(--category-bg-5);
}

.category-card[data-bg-index="6"],
.mobile-category-tab[data-bg-index="6"],
.is-mobile-tab-panel[data-card-index="6"] {
  --category-bg: var(--category-bg-6);
}

.category-card[data-bg-index="7"],
.mobile-category-tab[data-bg-index="7"],
.is-mobile-tab-panel[data-card-index="7"] {
  --category-bg: var(--category-bg-7);
}

.category-card[data-bg-index="8"],
.mobile-category-tab[data-bg-index="8"],
.is-mobile-tab-panel[data-card-index="8"] {
  --category-bg: var(--category-bg-8);
}

.category-card[data-bg-index="9"],
.mobile-category-tab[data-bg-index="9"],
.is-mobile-tab-panel[data-card-index="9"] {
  --category-bg: var(--category-bg-9);
}

.category-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid transparent;
  transition: border-color 0.2s ease;
  pointer-events: none;
}

.category-card:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
  border-color: var(--panel-border-soft);
}

.category-card:hover::after {
  border-color: var(--panel-border-soft-strong);
}

.category-title {
  margin: 0;
  font-size: 1.15rem;
  line-height: var(--line-snug);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.02em;
}

.category-title-button {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  text-align: left;
  cursor: pointer;
}

.category-title-button:focus-visible {
  outline: 2px solid var(--button-bg);
  outline-offset: 4px;
  border-radius: var(--radius-xs);
}

/* =========================
   トップページ（ジャンル）
   ========================= */
.genre-list {
  margin: 0;
  padding: 10px 0 0;
  border-top: 1px solid var(--panel-border-soft-strong);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.genre-list li {
  list-style: none;
  min-width: 0;
}

.genre-list-item--image {
  width: auto;
}

.genre-image-link {
  display: block;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  border: 1px solid var(--chip-border);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.15s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.genre-image-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--chip-border-hover);
}

.genre-image-link:active {
  transform: scale(0.94);
}

.genre-image {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.genre-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 50px;
  padding: 8px 14px;
  font-size: var(--font-size-md);
  line-height: var(--line-tight);
  color: #333;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.15s ease,
    box-shadow 0.2s ease;
}

.genre-link:hover {
  background: var(--chip-bg-hover);
  border-color: var(--chip-border-hover);
}

.genre-link:active {
  transform: scale(0.97);
  background: var(--chip-bg-active);
  border-color: var(--chip-border-active);
  box-shadow: var(--shadow-inset-sm);
}

/* =========================
   モバイル（トップページ）
   ========================= */
@media (max-width: 767px) {
  .js-loading .category-list {
    visibility: hidden;
  }

  .category-card {
    min-height: auto;
    padding: 0;
    gap: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    overflow: visible;
  }

  .category-card::after {
    display: none;
  }

  .category-card:hover {
    transform: none;
    box-shadow: none;
    border-color: transparent;
  }

  .category-list {
    gap: 20px;
  }

  .category-title-button {
    display: none;
  }

  .mobile-category-pair {
    display: block;
  }

  .mobile-category-pair-tabs {
    display: grid;
    gap: 8px;
  }

  .mobile-category-pair-tabs--double {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mobile-category-pair-tabs--single {
    grid-template-columns: 1fr;
  }

  .mobile-category-tab {
    --category-bg: var(--card-bg);
    margin: 0;
    padding: 14px 16px;
    border: 1px solid var(--panel-border-soft-strong);
    font-size: 1.15rem;
    line-height: var(--line-snug);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    background: var(--category-bg, var(--card-bg));
  }

  .mobile-category-tab[data-card-index] {
    background: var(--category-bg, var(--card-bg));
  }

  .mobile-category-tab.is-active {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
  }

  .is-mobile-tab-panel {
    --category-bg: var(--card-bg);
    display: none;
    padding: 18px;
    border: 1px solid var(--panel-border-soft);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border-top: 0;
    box-shadow: var(--shadow-sm);
    background: var(--category-bg, var(--card-bg));
  }

  .is-mobile-tab-panel.is-mobile-active-panel {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .is-mobile-tab-panel .genre-list {
    padding-top: 0;
    border-top: 0;
  }
}

/* =========================
   PC（トップページ）
   ========================= */
@media (min-width: 768px) {
  .section-title {
    font-size: var(--font-size-5xl);
  }

  .category-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .category-card {
    padding: 20px;
  }

  .category-title {
    font-size: 1.25rem;
  }

  .category-title-button {
    cursor: default;
    pointer-events: none;
  }
}

@media (min-width: 1024px) {
  .category-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}