/* ============================================================
   archive-post.css
   通常投稿 アーカイブページ
============================================================ */

.post-type-post .site-body {
  margin-top: 0;
  padding: 0 !important;
}

.post-type-post .main-section {
  margin: 0;
}

.post-archive {
  padding: calc(20 / 16 * 1rem) 0 calc(70 / 16 * 1rem);
  opacity: 1;
}

/* リスト */
.post-archive__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-archive__item {
  border-bottom: 0.0625rem solid var(--color-blue);
  margin: 0;
}

/* 行リンク */
.post-archive__link {
  display: flex;
  align-items: center;
  gap: calc(16 / 16 * 1rem);
  padding: calc(16 / 16 * 1rem) 0;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.3s;
}

/* サムネイル */
.post-archive__img-wrap {
  flex-shrink: 0;
  width: calc(160 / 16 * 1rem);
  height: calc(96 / 16 * 1rem);
  overflow: hidden;
  border-radius: calc(4 / 16 * 1rem);
}

.post-archive__img {
  aspect-ratio: 160/96;
}

/* 本文（日付 + タイトル） */
.post-archive__body {
  flex: 1;
  min-width: 0;
}

.post-archive__date {
  font-family: var(--open-sans);
  font-size: calc(14 / 16 * 1rem);
  font-weight: 400;
  line-height: calc(22 / 16);
  color: #666666;
  display: block;
}

.post-archive__title {
  font-size: calc(18 / 16 * 1rem);
  font-weight: 700;
  line-height: calc(29 / 20);
  color: var(--color-black);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 矢印アイコン */
.post-archive__arrow {
  width: calc(24 / 16 * 1rem);
  transition: transform 0.3s ease;
}

/* ページネーション非表示（「すべて見る」ボタンで代替） */
.post-type-post .navigation.pagination {
  display: none;
}

/* hidden アイテム */
.post-archive__item--hidden {
  display: none;
}

/* すべて見るエリア */
.post-archive__more {
  margin-top: calc(30 / 16 * 1rem);
  text-align: center;
}

/* すべて見るボタン */
.post-archive__btn {
  display: inline-flex;
  align-items: center;
  gap: calc(8 / 16 * 1rem);
  padding: calc(10 / 16 * 1rem) calc(37 / 16 * 1rem) calc(8 / 16 * 1rem) calc(42 / 16 * 1rem);
  background-color: var(--color-white);
  border: 0.0625rem solid var(--color-blue);
  color: var(--color-blue);
  font-size: calc(17 / 16 * 1rem);
  font-weight: 700;
  cursor: pointer;
  transition:
    background-color 0.3s,
    border-color 0.3s,
    color 0.3s;
  border-radius: 0.5rem;
}

.post-archive__btn:hover {
  background-color: var(--color-blue);
  border-color: var(--color-white);
  color: var(--color-white);
}

.post-archive__btn-icon {
  width: 1rem;
}

.post-archive__btn-circle {
  fill: var(--color-blue);
  transition: fill 0.3s;
}

.post-archive__btn-plus {
  stroke: var(--color-white);
  transition: stroke 0.3s;
}

.post-archive__btn:hover .post-archive__btn-circle {
  fill: var(--color-white);
}

.post-archive__btn:hover .post-archive__btn-plus {
  stroke: var(--color-blue);
}

@media (min-width: 768px) {
  .post-archive {
    padding: calc(30 / 16 * 1rem) 0 calc(160 / 16 * 1rem);
  }
  .post-archive__link {
    gap: calc(26 / 16 * 1rem);
    padding: calc(20 / 16 * 1rem);
    padding-right: calc(25 / 16 * 1rem);
  }
  .post-archive__link:hover {
    background-color: #185ba310;
  }
  .post-archive__link:hover .post-archive__arrow {
    transform: translateX(0.75rem);
  }
  .post-archive__date {
    font-size: calc(16 / 16 * 1rem);
  }
  .post-archive__title {
    font-size: calc(20 / 16 * 1rem);
  }
  .post-archive__arrow {
    width: calc(32 / 16 * 1rem);
  }
  .post-archive__more {
    margin-top: calc(40 / 16 * 1rem);
  }
  .post-archive__btn {
    font-size: 1rem;
    padding: calc(14 / 16 * 1rem) calc(67 / 16 * 1rem) calc(14 / 16 * 1rem) calc(77 / 16 * 1rem);
    gap: calc(11 / 16 * 1rem);
  }
  .post-archive__btn-icon {
    width: 1.125rem;
  }
}

/* ============================================================
   スクロールアニメーション
   Intersection Observer で is-in-view クラスを付与
============================================================ */
@media (prefers-reduced-motion: no-preference) {
  html.js .post-archive__item {
    opacity: 0;
    transform: translateY(30px);
    transition:
      opacity 0.55s ease,
      transform 0.55s ease;
  }

  html.js .post-archive__item.is-in-view {
    opacity: 1;
    transform: translateY(0);
  }

  html.js .post-archive__btn {
    opacity: 0;
    transform: translateY(16px);
    transition:
      opacity 0.5s ease,
      transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94),
      background-color 0.3s,
      border-color 0.3s,
      color 0.3s;
  }
  html.js .post-archive__btn.is-in-view {
    opacity: 1;
    transform: none;
  }
}