/* ==============================
   施工事例（case）共通スタイル
============================== */

/* ページヒーロー背景画像 */
.page_hero--showcase {
  background-image: url(../../images/showcase/hero.jpg);
}

/* カテゴリフィルターナビ */
.case_cat_nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.case_cat_link {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  border: 1px solid var(--base_color);
  border-radius: 2rem;
  background: #fff;
  color: var(--base_color);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.case_cat_link:hover,
.case_cat_link--active {
  background: var(--base_color);
  color: #fff;
}

/* 3列グリッド */
.case_grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (max-width: 991px) {
  .case_grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .case_grid {
    grid-template-columns: 1fr;
  }
}

/* カード */
.case_card {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  background: #fff;
  transition: box-shadow 0.2s, transform 0.2s;
}

.case_card:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.14);
  transform: translateY(-3px);
}

.case_card > a {
  display: block;
  text-decoration: none;
  color: inherit;
}

.case_card_img {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.case_card_img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.case_card:hover .case_card_img img {
  transform: scale(1.05);
}

.case_card_body {
  padding: 1rem 1.2rem 1.4rem;
}

.case_card_cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  background: var(--base_color);
  padding: 0.2rem 0.7rem;
  border-radius: 2px;
  margin-bottom: 0.5rem;
  text-decoration: none;
}

.case_card_cat a {
  color: #fff;
  text-decoration: none;
}

.case_card_title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #333;
  margin: 0.4rem 0 0.5rem;
  line-height: 1.5;
}

.case_card_desc {
  font-size: 0.8rem;
  color: #666;
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ページネーション */
.case_pagination {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.case_pagination ul {
  display: flex;
  gap: 0.3rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.case_pagination li a,
.case_pagination li span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 2.4rem;
  height: 2.4rem;
  padding: 0 0.5rem;
  white-space: nowrap;
  border: 1px solid #ccc;
  border-radius: 4px;
  color: #333;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.case_pagination li a:hover {
  background: var(--base_color);
  border-color: var(--base_color);
  color: #fff;
}

.case_pagination li .current {
  background: var(--base_color);
  border-color: var(--base_color);
  color: #fff;
}

/* ==============================
   施工事例詳細（single-case）
============================== */

.case_detail_head {
  margin-bottom: 2rem;
}

.case_detail_title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #222;
  margin: 0.6rem 0 0.8rem;
  line-height: 1.4;
}

.case_detail_desc {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.8;
  margin: 0;
}

/* フォトグリッド */
.case_photo_grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 991px) {
  .case_photo_grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 575px) {
  .case_photo_grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.case_photo_grid a {
  display: block;
  overflow: hidden;
  border-radius: 3px;
  aspect-ratio: 4 / 3;
}

.case_photo_grid a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.case_photo_grid a:hover img {
  transform: scale(1.06);
}

/* 一覧へ戻るリンク */
.case_back_link {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e0e0e0;
}

.case_back_link a {
  color: var(--base_color);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.9rem;
  transition: opacity 0.2s;
}

.case_back_link a:hover {
  opacity: 0.7;
}