/* ========== 施工実績（一覧 case.html ＋ 詳細 case/N.html） ==========
   Wix 版: 一覧は正方形サムネの3列グリッド（左右 11px・間隔 10px）。
           詳細は 見出し 33.75px → 縦長写真 705×882 → 説明 18px → 黄色帯の Previous / 一覧 / Next
*/

/* ---------- 一覧 ---------- */
.case-list { padding: 10px 0 var(--sec-pad); }
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  width: min(1418px, calc(100% - 22px));
  margin: 0 auto;
}
.case-grid a {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--gray);
}
.case-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.case-grid a:hover img, .case-grid a:focus-visible img { transform: scale(1.04); }
.case-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 16px 12px;
  background: linear-gradient(rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.62) 100%);
  color: #fff;
  font-family: var(--font-kaku);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.case-grid a:hover .case-cap, .case-grid a:focus-visible .case-cap { opacity: 1; transform: none; }
@media (hover: none) {
  .case-cap { opacity: 1; transform: none; padding: 24px 10px 8px; font-size: 12px; }
}

/* ---------- 詳細 ---------- */
.case-detail { padding: calc(var(--header-h) + clamp(28px, 4vw, 48px)) 0 clamp(40px, 5vw, 64px); }
.case-detail .container { max-width: 900px; }
.case-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.45;
  letter-spacing: 0.06em;
  text-align: center;
}
.case-photo { width: min(720px, 100%); margin: clamp(28px, 3.2vw, 44px) auto 0; background: var(--gray); }
.case-photo img { width: 100%; height: auto; }
.case-desc { max-width: 900px; margin: clamp(28px, 3.2vw, 44px) auto 0; font-size: var(--fs-lead); line-height: 1.9; }

/* 定型項目・関連工事 */
.case-spec { max-width: 720px; margin: clamp(24px, 3vw, 36px) auto 0; }
.case-spec th, .case-spec td { padding: 14px 8px; font-size: 15px; }
.case-related { max-width: 720px; margin: clamp(24px, 3vw, 36px) auto 0; }
.case-related .chips-title { margin-top: 0; }
.case-detail .breadcrumb { margin-top: 14px; }

/* 黄色帯: Previous ／ 一覧 ／ Next */
.case-nav { background: var(--yellow); }
.case-nav .case-nav-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(1296px, calc(100% - var(--gutter) * 2));
  margin: 0 auto;
  min-height: 70px;
}
.case-nav a, .case-nav span[aria-disabled] {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 4px;
  font-family: var(--font-kaku);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--ink);
  transition: opacity 0.2s ease;
}
.case-nav .nav-prev { justify-self: start; }
.case-nav .nav-next { justify-self: end; }
.case-nav .nav-prev::before, .case-nav .nav-next::after {
  content: "";
  width: 8px; height: 8px;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
}
.case-nav .nav-prev::before { transform: rotate(-45deg); }
.case-nav .nav-next::after { transform: rotate(135deg); }
.case-nav a:hover { opacity: 0.6; }
.case-nav span[aria-disabled] { color: rgba(16, 16, 16, 0.3); }
.case-nav .nav-index { justify-self: center; padding: 8px 12px; }
.case-nav .nav-index svg { width: 20px; height: 20px; fill: currentColor; }
.case-nav .nav-index .label { font-size: 12px; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 900px) {
  .case-grid { gap: 8px; width: calc(100% - 16px); }
}
@media (max-width: 760px) {
  .case-list { padding-top: 8px; }
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; width: calc(100% - 12px); }
  .case-detail .container { width: calc(100% - 40px); }
  .case-nav .case-nav-inner { min-height: 60px; }
  .case-nav a, .case-nav span[aria-disabled] { font-size: 13px; }
  .case-nav .nav-index .label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
}