/* ===== ContentsX コラム一覧 ===== */

.cx-col-page {
  padding-top: 96px;
  padding-bottom: 120px;
  background: var(--bg-white);
}

.cx-col-hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid #ececec;
}
.cx-col-hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 14px;
}
.cx-col-hero-title {
  font-size: clamp(28px, 4.4vw, 44px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--text-primary);
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.cx-col-hero-lead {
  max-width: 720px;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.85;
  color: var(--text-secondary);
  margin: 0;
}

/* ===== Featured ===== */
.cx-col-featured {
  padding: 56px 0 24px;
}
.cx-col-featured-card {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  text-decoration: none;
  color: inherit;
  background: var(--bg-light);
  padding: 32px;
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.cx-col-featured-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}
.cx-col-featured-img {
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 16 / 9;
  background: #ddd;
}
.cx-col-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cx-col-featured-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 700;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.cx-col-featured-date {
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.cx-col-featured-cat {
  display: inline-block;
  font-size: 11px;
  padding: 4px 10px;
  background: var(--bg-white);
  color: var(--text-primary);
  border-radius: 100px;
  margin-bottom: 14px;
  font-weight: 600;
}
.cx-col-featured-title {
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--text-primary);
  margin: 0 0 14px;
}
.cx-col-featured-excerpt {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0 0 18px;
}
.cx-col-featured-read {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* ===== カテゴリフィルター ===== */
.cx-col-filter {
  padding: 20px 0 28px;
  border-bottom: 1px solid #ececec;
  margin-bottom: 40px;
}
.cx-col-filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.cx-col-filter-chip {
  font-family: inherit;
  font-size: 13px;
  padding: 8px 16px;
  border: 1px solid #d8d8d8;
  background: var(--bg-white);
  color: var(--text-secondary);
  border-radius: 100px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
}
.cx-col-filter-chip:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}
.cx-col-filter-chip.is-active {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg-white);
}

/* ===== グリッド ===== */
.cx-col-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
}
.cx-col-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--bg-white);
  border: 1px solid #ececec;
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.cx-col-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}
.cx-col-card-img {
  aspect-ratio: 16 / 9;
  background: #ddd;
  overflow: hidden;
}
.cx-col-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.cx-col-card:hover .cx-col-card-img img {
  transform: scale(1.05);
}
.cx-col-card-body {
  padding: 18px 20px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.cx-col-card-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 10px;
}
.cx-col-card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text-primary);
  margin: 0 0 12px;
  flex: 1;
}
.cx-col-card-meta {
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

/* ===== カードフィルタ非表示 ===== */
.cx-col-card[data-hidden="true"] {
  display: none;
}

/* ===== 空状態 ===== */
.cx-col-empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  display: none;
}
.cx-col-empty.is-active {
  display: block;
}

/* ===== モバイル ===== */
@media (max-width: 768px) {
  .cx-col-page {
    padding-top: 76px;
  }
  .cx-col-hero {
    padding: 36px 0 24px;
  }
  .cx-col-featured {
    padding: 32px 0 16px;
  }
  .cx-col-featured-card {
    grid-template-columns: 1fr;
    padding: 18px;
    gap: 18px;
  }
  .cx-col-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}