/* ===================================================
   cases.css
   施工実績 一覧 & 詳細ページ
   corporate-services.css を読み込んだうえで使用
   =================================================== */

/* =============================================
   一覧ページ
   ============================================= */
.cases-archive {
  background: #e5ebf6;
  padding: 64px 0 84px;
}

.cases-archive__container {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
}

.cases-archive__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.25s;
}

.case-card-link:hover {
  transform: translateY(-4px);
}

.case-card {
  background: #fff;
  border: 1px solid #c5d3eb;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(17, 53, 124, 0.07);
  transition: box-shadow 0.25s;
}

.case-card-link:hover .case-card {
  box-shadow: 0 14px 36px rgba(17, 53, 124, 0.14);
}

.case-card__visual {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 6px;
  padding: 14px;
  background: #edf1fa;
}

.case-card__img-wrap {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #d4deef;
}

.case-card__img-wrap img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.case-card__label {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: rgba(15, 67, 192, 0.85);
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.06em;
}

.case-card__arrow {
  align-self: center;
  color: #0f43c0;
  font-size: 14px;
}

.case-card__body {
  padding: 18px 20px 22px;
}

.case-card__area {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #4568ac;
  background: #edf3ff;
  border: 1px solid #c8d8f3;
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 8px;
}

.case-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: #0f43c0;
  line-height: 1.5;
}

/* ページネーション */
.cases-archive__pagination {
  margin-top: 48px;
  text-align: center;
}

.cases-archive__pagination .nav-links {
  display: inline-flex;
  gap: 6px;
}

.cases-archive__pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  color: #244b95;
  background: #fff;
  border: 1px solid #c5d3eb;
  transition: all 0.2s;
}

.cases-archive__pagination .page-numbers.current {
  background: #0f43c0;
  color: #fff;
  border-color: #0f43c0;
}

.cases-archive__pagination .page-numbers:hover:not(.current) {
  background: #edf3ff;
}

.cases-archive__empty {
  text-align: center;
  font-size: 16px;
  color: #4568ac;
  font-weight: 700;
  padding: 60px 0;
}

/* =============================================
   詳細ページ
   ============================================= */
.case-detail {
  background: #e5ebf6;
  padding: 64px 0 80px;
}

.case-detail__container {
  width: min(960px, calc(100% - 48px));
  margin: 0 auto;
}

/* 説明文 */
.case-detail__desc {
  background: #fff;
  border: 1px solid #c5d3eb;
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 8px 24px rgba(17, 53, 124, 0.07);
  margin-bottom: 40px;
}

.case-detail__desc p {
  margin: 0;
  font-size: 15px;
  line-height: 2;
  color: #333;
  font-weight: 700;
}

/* セクション（施工前/中/後） */
.case-detail__section {
  margin-bottom: 40px;
}

.case-detail__section:last-of-type {
  margin-bottom: 48px;
}

.case-detail__section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 20px;
  font-family: "Noto Serif JP", serif;
  font-size: 22px;
  color: #0f43c0;
}

.case-detail__section-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-family: "Noto Sans JP", sans-serif;
  color: #fff;
  background: #3a5ca3;
}

.case-detail__section-label--during {
  background: #b8960c;
}

.case-detail__section-label--after {
  background: #0f43c0;
}

/* ギャラリー */
.case-detail__gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.case-detail__photo {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #c5d3eb;
  background: #fff;
  box-shadow: 0 4px 14px rgba(17, 53, 124, 0.06);
}

.case-detail__photo img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: contain;    /* cover → contain に変更 */
    display: block;
    background: #f5f7fc;    /* 余白部分の背景色 */
}

/* 戻るリンク */
.case-detail__back {
  text-align: center;
}

.case-detail__back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: #244b95;
  text-decoration: none;
  padding: 14px 28px;
  background: #fff;
  border: 1px solid #c5d3eb;
  border-radius: 999px;
  transition: all 0.2s;
}

.case-detail__back-link:hover {
  background: #edf3ff;
  transform: translateY(-2px);
}

/* =============================================
   レスポンシブ
   ============================================= */
@media (max-width: 767px) {
  .cases-archive {
    padding: 44px 0 64px;
  }

  .cases-archive__container {
    width: calc(100% - 24px);
  }

  .cases-archive__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .case-card__visual {
    padding: 10px;
  }

  .case-card__body {
    padding: 14px 16px 18px;
  }

  .case-card__title {
    font-size: 15px;
  }

  .case-detail {
    padding: 44px 0 64px;
  }

  .case-detail__container {
    width: calc(100% - 24px);
  }

  .case-detail__desc {
    padding: 22px 18px;
    border-radius: 16px;
  }

  .case-detail__gallery {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
  }

  .case-detail__photo {
    border-radius: 10px;
  }

  .case-detail__section-title {
    font-size: 18px;
    gap: 10px;
  }
}