/* archive-case
 * 施工事例アーカイブページ
 ============================================================================ */

.tax-case_category .site-main,
.archive-case .site-main {
  background: url('../../images/common/bg-flower.jpg') repeat center center / 1440px 529px;
}


/*================ l-archive-case-header ================*/

.l-archive-case-header__eyebrow {
  font-family: var(--umi-font-family-asset);
  font-size: calc(90 / 1440 * 100cqi);
  font-weight: 400;
  line-height: 1;
  color: var(--umi-color-surface);
  letter-spacing: 0;
  text-align: center;
}

.l-archive-case-header__title {
  margin: 0;
  text-align: center;
  margin-top: calc(-30 / 1440 * 100cqi);
}

.l-archive-case-header__badge {
  display: inline-block;
  padding: calc(10 / 1440 * 100cqi) calc(30 / 1440 * 100cqi);
  background: var(--umi-color-contrast);
  color: var(--umi-color-surface);
  font-size: calc(24 / 1440 * 100cqi);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
}

/*================ l-archive-case-body ================*/

.l-archive-case-body {
  padding-block: 0 calc(100 / 1440 * 100cqi);
}

/*================ l-case-cards グリッド ================*/

.l-case-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(80 / 1440 * 100cqi) calc(75 / 1440 * 100cqi);
  list-style: none;
  margin: 0;
  padding: 0;
}

/*================ l-case-card ================*/

.l-case-card {
  border: 2px solid var(--umi-color-contrast);
  background: var(--umi-color-surface);
  overflow: hidden;
}

.l-case-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

/* ── 画像ラッパー ── */
.l-case-card__img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 350 / 292;
  flex-shrink: 0;
}

.l-case-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* スキャンライン（ノイズ感） */
.l-case-card__img-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg,
      transparent,
      transparent 3px,
      rgba(253, 244, 120, 0.2) 3px,
      rgba(253, 244, 120, 0.2) 4px);
  opacity: 0;
  pointer-events: none;
  z-index: 2;
}



/* ── Hover ── */
.l-case-card:hover .l-case-card__img {
  transform: scale(1.05);
}

.l-case-card:hover .l-case-card__img-wrap::before {
  animation: case-scanline 0.5s steps(2) forwards;
}

.l-case-card:hover .l-case-card__img-wrap::after {
  animation: case-sweep 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes case-sweep {
  0% {
    transform: translateX(-200%);
  }

  100% {
    transform: translateX(300%);
  }
}

@keyframes case-scanline {
  0% {
    opacity: 0;
  }

  10% {
    opacity: 1;
  }

  50% {
    opacity: 0.7;
    background-position: 0 2px;
  }

  80% {
    opacity: 0.4;
    background-position: 0 4px;
  }

  100% {
    opacity: 0;
  }
}

/* ── カード本文 ── */
.l-case-card__body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(20 / 1440 * 100cqi);
  flex: 1;
  min-height: 76px;
  position: relative;
  text-align: center;
}

.l-case-card__title {
  margin: 0;
  flex: 1;
  font-size: clamp(0.8125rem, 0.6585rem + 0.6573vw, 1.25rem);
  font-weight: bold;
  line-height: 1.5;
  color: var(--umi-color-contrast);
}

/* 矢印バッジ */
.l-case-card__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  background: var(--umi-color-contrast);
  align-self: flex-end;
  position: absolute;
  bottom: 0;
  right: 0;
}

.l-case-card__arrow img {
  width: 16px;
  height: 14px;
  display: block;
}

/*================ ページネーション ================*/

.l-archive-case-pagination {
  margin-top: calc(80 / 1440 * 100cqi);
  display: flex;
  justify-content: center;
}

/*================ BACK ボタン ================*/

.l-archive-case-back {
  margin-top: clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.l-archive-case-back__btn {
  display: inline-block;
  padding: 14px 72px;
  border: 2px solid var(--umi-color-contrast);
  background: transparent;
  color: var(--umi-color-contrast);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.l-archive-case-back__btn:hover {
  background: var(--umi-color-contrast);
  color: var(--umi-color-surface);
}

/*================ 空状態 ================*/

.l-archive-case-empty {
  text-align: center;
  padding-block: var(--umi-gap-xl);
  color: var(--umi-color-muted);
  font-size: var(--umi-font-size-large);
}

/*================ prefers-reduced-motion ================*/

@media (prefers-reduced-motion: reduce) {

  .l-case-card__img,
  .l-case-card__img-wrap::before,
  .l-case-card__img-wrap::after {
    animation: none !important;
    transition: none !important;
  }
}

/*================ レスポンシブ ================*/

@media (max-width: 900px) {
  .l-case-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .l-case-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .l-case-card__title {
    font-size: 0.875rem;
  }

  .l-archive-case-back__btn {
    padding-inline: 48px;
  }
}