/* ========================================
   page-column.css — コラム一覧
   ======================================== */

/* --- FV背景画像 --- */
.page-fv--column::after {
  background-image: url('/images/fv-faq.png');
  opacity: 0.10;
}

/* ========================================
   コラム一覧セクション
   ======================================== */
.column-list {
  position: relative;
  padding: 64px 0 80px;
  background: #fff;
  overflow: hidden;
}
.column-list__inner {
  position: relative;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
}
.column-list__wm {
  position: absolute;
  top: 40px;
  right: -20px;
  font-family: var(--font-english);
  font-size: 120px;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.03;
  line-height: 1;
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
}

/* --- カテゴリフィルター --- */
.column-list__filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.column-list__filter-btn {
  padding: 8px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  background: #f5f6f7;
  border: 1px solid #e0e0e0;
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.2s;
}
.column-list__filter-btn:hover {
  background: #eef0f3;
}
.column-list__filter-btn.is-active {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

/* --- 記事カードグリッド --- */
.column-list__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* --- 記事カード --- */
.column-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(30,61,107,0.06);
  transition: box-shadow 0.2s, transform 0.2s;
}
.column-card:hover {
  box-shadow: 0 6px 20px rgba(30,61,107,0.10);
  transform: translateY(-2px);
}
.column-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}
.column-card__thumb {
  overflow: hidden;
}
.column-card__thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform 0.3s;
}
.column-card:hover .column-card__thumb img {
  transform: scale(1.03);
}
.column-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px 24px 24px;
}
.column-card__excerpt {
  margin-top: auto;
}
.column-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.column-card__category {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(30,61,107,0.06);
  border-radius: 2px;
  line-height: 1.4;
}
.column-card__date {
  font-family: var(--font-english);
  font-size: 13px;
  color: #999;
  line-height: 1;
}
.column-card__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 10px;
}
.column-card__excerpt {
  font-size: 13px;
  line-height: 1.7;
  color: #666;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========================================
   RESPONSIVE — Tablet (1024px)
   ======================================== */
@media (max-width: 1280px) {
  .column-list {
    padding: 52px 0 64px;
  }
  .column-list__wm {
    font-size: 80px;
  }
  .column-list__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

/* ========================================
   RESPONSIVE — SP (768px)
   ======================================== */
@media (max-width: 768px) {
  .column-list {
    padding: 40px 0 48px;
  }
  .column-list__inner {
    padding: 0 16px;
  }
  .column-list__wm {
    font-size: 64px;
    top: 20px;
  }
  .column-list__filter {
    margin-bottom: 28px;
    gap: 6px;
  }
  .column-list__filter-btn {
    padding: 6px 16px;
    font-size: 13px;
  }
  .column-list__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .column-card {
    display: flex;
    flex-direction: row;
  }
  .column-card__link {
    flex-direction: row;
    height: auto;
  }
  .column-card__thumb {
    flex-shrink: 0;
    width: 120px;
  }
  .column-card__thumb img {
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
  }
  .column-card__body {
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .column-card__meta {
    gap: 8px;
    margin-bottom: 6px;
  }
  .column-card__category {
    font-size: 10px;
    padding: 2px 8px;
  }
  .column-card__date {
    font-size: 12px;
  }
  .column-card__title {
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 4px;
  }
  .column-card__excerpt {
    display: none;
  }

  /* SP hover無効化 */
  .column-card:hover {
    transform: none;
    box-shadow: 0 2px 12px rgba(30,61,107,0.06);
  }
  .column-card:hover .column-card__thumb img {
    transform: none;
  }

  /* CTA改行制御 SP */
  .cta-band__message br {
    display: none;
  }

  /* SPアニメーション調整 */
  .anim-slide-left,
  .anim-clip,
  .anim-scale,
  .anim-drop {
    --anim-translate: 12px;
  }
}

/* ========================================
   prefers-reduced-motion
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  .column-list__filter,
  .column-card {
    opacity: 1 !important;
    animation: none !important;
  }
  .column-card:hover {
    transform: none;
  }
  .column-card:hover .column-card__thumb img {
    transform: none;
  }
}