/* =============================================
   施工事例詳細ページ専用スタイル
   ============================================= */

/* --- Header --- */
.work-detail__header {
  margin-bottom: var(--spacing-xl);
}

.work-detail__tag {
  display: inline-block;
  background: var(--color-black);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 500;
  padding: 5px 14px;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.work-detail__date {
  display: block;
  font-size: 12px;
  color: var(--color-text-light);
  font-family: var(--font-en-sans);
  margin-bottom: 12px;
}

.work-detail__title {
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.work-detail__subtitle {
  font-size: 15px;
  color: var(--color-text-light);
  font-weight: 400;
}

/* --- Gallery --- */
.work-gallery {
  margin-bottom: var(--spacing-xl);
}

.work-gallery__main {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-gray-200);
  margin-bottom: var(--spacing-sm);
}

.work-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.work-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.gallery-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  background: none;
  transition: border-color var(--transition);
}

.gallery-thumb.is-active {
  border-color: var(--color-black);
}

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

.gallery-thumb:hover img {
  transform: scale(1.05);
}

/* --- Body Layout --- */
.work-detail__body {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--spacing-xl);
  align-items: start;
}

/* --- Detail Sections --- */
.detail-section {
  margin-bottom: var(--spacing-xl);
}

.detail-section__title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-black);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-section__title-en {
  font-size: 11px;
  font-family: var(--font-en-sans);
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--color-text-light);
  font-weight: 400;
}

.detail-section__lead {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.03em;
}

.detail-section__text {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

/* --- Concern Box --- */
.concern-box {
  display: flex;
  gap: var(--spacing-md);
  background: var(--color-gray-100);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
}

.concern-box__icon {
  font-size: 24px;
  color: var(--color-gray-400);
  flex-shrink: 0;
  padding-top: 4px;
}

.concern-box p {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-light);
}

/* --- Detail Points --- */
.detail-points {
  margin-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.detail-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-gray-100);
  border-left: 3px solid var(--color-black);
}

.detail-points__icon {
  color: var(--color-black);
  font-size: 12px;
  padding-top: 3px;
  flex-shrink: 0;
}

/* --- Photo Grid --- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: var(--spacing-md);
}

.photo-grid__item {
  overflow: hidden;
}

.photo-grid__item--wide {
  grid-column: 1 / -1;
}

.photo-grid__item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.photo-grid__item--wide img {
  aspect-ratio: 16/7;
}

.photo-grid__item:hover img {
  transform: scale(1.03);
}

.photo-grid__caption {
  font-size: 12px;
  color: var(--color-text-light);
  padding: 8px 0 4px;
}

/* --- Sidebar --- */
.work-detail__sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* --- Data Card --- */
.data-card {
  border: 1px solid var(--color-border);
}

.data-card__title {
  background: var(--color-black);
  color: var(--color-white);
  font-size: 13px;
  font-family: var(--font-en-sans);
  font-weight: 600;
  letter-spacing: 0.2em;
  padding: 12px var(--spacing-md);
}

.data-table {
  width: 100%;
}

.data-table__row {
  display: grid;
  grid-template-columns: 90px 1fr;
  border-bottom: 1px solid var(--color-border);
}

.data-table__row:last-child {
  border-bottom: none;
}

.data-table__row dt {
  background: var(--color-gray-100);
  font-size: 12px;
  font-weight: 600;
  padding: 12px var(--spacing-sm);
  display: flex;
  align-items: center;
  border-right: 1px solid var(--color-border);
  letter-spacing: 0.03em;
}

.data-table__row dd {
  font-size: 13px;
  padding: 12px var(--spacing-sm);
  line-height: 1.6;
  color: var(--color-text);
}

/* --- Detail Contact CTA --- */
.detail-contact-cta {
  background: var(--color-warm);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
  text-align: center;
}

.detail-contact-cta__text {
  font-size: 13px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

/* --- Related Works --- */
.related-works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.related-works__grid .work-card {
  display: block;
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.related-works__grid .work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
  opacity: 1;
}

.related-works__grid .work-card__img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.related-works__grid .work-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.related-works__grid .work-card:hover .work-card__img img {
  transform: scale(1.05);
}

.related-works__grid .work-card__body {
  padding: var(--spacing-sm) var(--spacing-md);
}

.related-works__grid .work-card__meta {
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 6px;
}

.related-works__grid .work-card__title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .work-detail__body {
    grid-template-columns: 1fr;
  }
  .work-detail__sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .work-gallery__thumbs {
    grid-template-columns: repeat(4, 1fr);
  }
  .related-works__grid {
    grid-template-columns: 1fr;
  }
  .photo-grid {
    grid-template-columns: 1fr;
  }
  .photo-grid__item--wide {
    grid-column: 1;
  }
}