/* ============================================================
   WORKS DETAIL PAGE — 工事場所別 施工実績
   ============================================================ */

.works-detail {
  padding: var(--sp-xl) 0;
  background: var(--bg);
}
.works-detail .container {
  max-width: var(--container-sm);
}

.works-back {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-label);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 56px;
  padding: 12px 0;
  transition: color 0.3s var(--ease), gap 0.3s var(--ease);
}
.works-back::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}
.works-back:hover {
  color: var(--accent);
  gap: 18px;
}

.works-detail-header {
  text-align: center;
  margin-bottom: 80px;
}
.works-detail-header .label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.works-detail-header .label::before,
.works-detail-header .label::after {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.works-detail h1 {
  font-family: var(--font-en);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text);
  margin: 0 0 16px;
  line-height: 1.15;
}
.works-detail .works-jp {
  font-family: var(--font-ja);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin: 0 0 28px;
}
.works-detail .works-lead {
  font-family: var(--font-ja);
  font-size: 0.92rem;
  line-height: 2.0;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* Before / After compare slider */
.compare-slider {
  width: 100%;
  margin: 0 0 var(--sp-lg);
}
.compare-images {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 540px;
  overflow: hidden;
  background: var(--bg-alt);
  box-shadow: var(--sh-md);
  user-select: none;
  touch-action: pan-y;
  cursor: col-resize;
}
.compare-images img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.compare-after {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 50%;
  overflow: hidden;
}
.compare-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: #fff;
  transform: translateX(-1px);
  pointer-events: none;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
}
.compare-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: #fff;
  border: none;
  display: grid;
  place-items: center;
  pointer-events: none;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.compare-handle::before {
  content: "";
  display: block;
  width: 22px;
  height: 22px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239b7b55' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 3 12 9 6'/%3E%3Cpolyline points='15 6 21 12 15 18'/%3E%3C/svg%3E") center / contain no-repeat;
}
.compare-label {
  position: absolute;
  top: 18px;
  padding: 6px 16px;
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: rgba(26, 24, 21, 0.7);
  color: #fff;
  pointer-events: none;
  backdrop-filter: blur(4px);
}
.compare-label-before { right: 18px; }
.compare-label-after { left: 18px; }

/* Phase sections */
.works-phase {
  width: 100%;
  margin: 0 0 var(--sp-lg);
}
.works-phase-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin: 0 0 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}
.works-phase-en {
  font-family: var(--font-en);
  font-size: 1rem;
  font-style: italic;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.works-phase-title {
  font-family: var(--font-ja);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text);
  margin: 0;
}

.works-phase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.works-phase-grid figure {
  margin: 0;
  overflow: hidden;
  background: var(--bg-alt);
  aspect-ratio: 4 / 3;
}
.works-phase-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(8%);
  transition: transform 0.8s var(--ease), filter 0.6s var(--ease);
}
.works-phase-grid figure:hover img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

@media (max-width: 768px) {
  .works-detail { padding: 120px 0 80px; }
  .works-detail-header { margin-bottom: 48px; }
  .works-back { margin-bottom: 36px; }
  .compare-images { max-height: 360px; }
  .works-phase-grid { grid-template-columns: 1fr; gap: 16px; }
  .works-phase-header { gap: 14px; margin-bottom: 24px; }
}