.detail-hero {
  padding-bottom: 0;
}

.detail-hero-bg {
  position: relative;
  isolation: isolate;
  aspect-ratio: 1120 / 254;
  background-image: url("../img/syousaitop.webp");
  background-size: cover;
  background-position: center;
  display: grid;
  place-items: center;
  text-align: center;
}

.detail-hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    90deg,
    rgba(20, 36, 62, 0.5),
    rgba(20, 36, 62, 0.18) 50%,
    rgba(20, 36, 62, 0.5)
  );
}

.detail-hero-title {
  margin: 0;
  color: #ffffff;
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1.4;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.55);
  padding: 0 16px;
  max-width: 960px;
}

.sp-only {
  display: none;
}

.breadcrumbs ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 8px;
}

.breadcrumbs {
  padding-top: 14px;
}

.breadcrumbs li::after {
  content: "›";
  margin-left: 8px;
}

.breadcrumbs li:last-child::after {
  content: none;
}

.breadcrumbs a {
  text-decoration: underline;
  text-underline-offset: 1px;
  text-decoration-thickness: 1px;

  font-weight: 700;
  padding: 2px 4px;
  border-radius: 1px;
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    text-decoration-color 0.2s ease;
}

.breadcrumbs a:hover {
  color: #ffffff;
  background-color: var(--accent-on-light, #c65300);
  text-decoration-color: #ffffff;
}

.breadcrumbs a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.detail-content {
  padding-top: 80px;
  padding-bottom: 120px;
}

.detail-summary-table {
  width: 100%;
  max-width: 800px;
  margin: 0 auto 72px;
  border-top: 1px solid var(--muted);
}

.detail-summary-table--no-top-border {
  border-top: none;
}

.detail-summary-table .table-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  border-bottom: 1px solid var(--muted);
  padding: 12px 0;
}

.detail-summary-table .table-header {
  padding: 0 24px;
  font-weight: 700;
  color: var(--navy);
  margin: 0;
}

.detail-summary-table .table-data {
  padding: 0 24px;
  color: var(--text);
  margin: 0;
  overflow-wrap: anywhere;
}

.detail-summary-table a {
  color: var(--navy);
  text-underline-offset: 3px;
}

.detail-section-bar {
  height: 58px;
  background: var(--navy);
  display: grid;
  place-items: center;
  margin: 80px auto 40px;
}

.detail-section-bar-title {
  margin: 0;
  color: #ffffff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.detail-point-list {
  max-width: 100%;
  margin: 0 auto 80px;
  display: grid;
  gap: 40px;
}

.detail-point {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
  align-items: start;
}

.detail-point-image {
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--soft);
  object-fit: cover;
  box-shadow: 0 10px 24px rgba(20, 35, 60, 0.1);
}

.detail-point-title {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--muted);
}

.detail-point-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.detail-image-gallery {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto 88px;
  display: grid;
  grid-template-columns: 19fr 8fr;
  gap: clamp(12px, 2.8vw, 40px);
  align-items: start;
}

.detail-image-gallery--equal {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-image-gallery--single {
  grid-template-columns: 1fr;
}

.detail-image-gallery img {
  width: 100%;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px #223555;
  aspect-ratio: auto;
}

.detail-image-gallery--equal img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.detail-image-gallery img:nth-child(1) {
  aspect-ratio: auto;
}

.detail-image-gallery img:nth-child(2) {
  aspect-ratio: auto;
}

.detail-works-slider {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
}

.detail-works-slider[hidden] {
  display: none;
}

.detail-works-dots[hidden] {
  display: none;
}

.detail-works-dots {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.detail-works-dot {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.detail-works-dot::before {
  width: 8px;
  height: 8px;
  border: 1px solid var(--navy);
  border-radius: 999px;
  background: transparent;
  content: "";
  transition: transform 0.2s ease;
}

.detail-works-dot.is-active {
  background: transparent;
}

.detail-works-dot.is-active::before {
  background-color: var(--navy);
  transform: scale(1.25);
}

.detail-works-arrow {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--navy);
  background: #ffffff;
  color: var(--navy);
  font-size: 20px;
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  transition:
    background-color 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease;
}

.detail-works-arrow:hover {
  background: var(--navy);
  color: #ffffff;
}

.detail-works-viewport {
  position: relative;
  min-width: 0;
  padding: 0 4px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.detail-works-viewport::-webkit-scrollbar {
  display: none;
}

.detail-works-track {
  display: flex;
  gap: 24px;
  padding: 4px 0;
  width: max-content;
  min-width: 100%;
}

.detail-work-card {
  flex: 0 0 clamp(220px, 40vw, 320px);
  display: grid;
  gap: 12px;
  text-decoration: none;
  color: var(--navy);
  scroll-snap-align: center;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.detail-work-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  border: 1px solid var(--soft);
  border-radius: 6px;
}

.detail-work-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.detail-work-card:hover .detail-work-title {
  color: var(--accent);
}

.detail-works-slider.is-static .detail-works-track {
  width: 100%;
  justify-content: center;
}

.detail-works-slider.is-static .detail-works-arrow {
  visibility: hidden;
}

.detail-navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 80px;
  gap: 24px;
}

.detail-back-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  background-color: transparent;
  color: var(--navy);
  border: 1px solid var(--navy);
  white-space: nowrap;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

.detail-back-button:hover {
  background-color: var(--navy);
  color: #ffffff;
}

@media (max-width: 1024px) {
  .detail-hero {
    padding-top: 0%;
  }

  .breadcrumbs {
    margin-bottom: 32px;
    font-size: 12px;
  }

  .detail-content {
    padding-top: 60px;
    padding-bottom: 80px;
  }

  .detail-summary-table {
    margin-bottom: 60px;
  }

  .detail-summary-table .table-row {
    grid-template-columns: 140px 1fr;
  }

  .detail-summary-table .table-header,
  .detail-summary-table .table-data {
    padding: 12px 16px;
  }

  .detail-section-bar {
    height: 52px;
    margin: 64px auto 32px;
  }

  .detail-section-bar-title {
    font-size: 22px;
  }

  .detail-point-list {
    gap: 32px;
    margin-bottom: 64px;
  }

  .detail-point {
    grid-template-columns: 336px 1fr;
    gap: 24px;
  }

  .detail-point-title {
    font-size: 17px;
  }

  .detail-image-gallery {
    gap: 24px;
    margin-bottom: 72px;
  }

  .detail-works-slider {
    gap: 12px;
    margin-top: 32px;
  }

  .detail-works-track {
    gap: 16px;
  }

  .detail-work-card {
    flex: 0 0 clamp(280px, 72vw, 640px);
  }

  .detail-navigation {
    margin-top: 60px;
    gap: 16px;
  }

  .detail-back-button {
    padding: 10px 18px;
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  .detail-hero {
    padding-top: 0px;
  }

  .detail-hero-bg {
    width: 100%;
    aspect-ratio: auto;
    background-image: url("../img/syousaitopsp.webp");
    background-size: cover;
    background-position: center;
    display: grid;
    place-items: center;
    text-align: center;
    min-height: 180px;
  }

  .detail-hero-bg::before {
    background: rgba(20, 36, 62, 0.48);
  }

  .breadcrumbs {
    padding-top: 10px;
    margin-bottom: 24px;
    font-size: 10px;
  }

  .breadcrumbs ul {
    flex-wrap: wrap;
  }

  .detail-content {
    padding-top: 40px;
    padding-bottom: 60px;
  }

  .detail-summary-table {
    margin-bottom: 40px;
  }

  .detail-summary-table .table-row {
    grid-template-columns: 1fr;
    border-bottom: none;
    padding: 8px 0 12px;
  }

  .detail-summary-table .table-row:not(:last-child) {
    border-bottom: 1px solid var(--muted);
    padding-bottom: 12px;
  }

  .detail-summary-table .table-header {
    background: transparent;
    padding: 8px 8px 2px;
    color: var(--navy);
    font-size: 14px;
  }

  .detail-summary-table .table-data {
    padding: 0 8px 8px;
    font-size: 14px;
  }

  .detail-section-bar {
    height: 48px;
    margin: 48px auto 24px;
  }

  .detail-section-bar-title {
    font-size: 18px;
  }

  .detail-point-list {
    gap: 24px;
    margin-bottom: 48px;
  }

  .detail-point {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .detail-point-title {
    font-size: 16px;
    margin-bottom: 12px;
  }

  .detail-point-body p {
    font-size: 14px;
  }

  .detail-image-gallery {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 56px;
  }

  .detail-works-slider {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 24px;
  }

  .detail-works-arrow {
    display: none;
  }

  .detail-works-track {
    gap: 16px;
    padding: 8px 16px 16px;
  }

  .detail-navigation {
    flex-direction: column;
    margin-top: 40px;
    gap: 16px;
  }

  .detail-back-button {
    width: 100%;
    max-width: 300px;
    padding: 10px 16px;
    font-size: 14px;
  }

  .detail-work-card {
    flex: 0 0 clamp(240px, 82vw, 420px);
    scroll-snap-align: center;
    border-radius: 10px;
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(20, 35, 60, 0.12);
    padding: 12px;
  }

  .sp-only {
    display: inline;
  }

  .detail-works-viewport {
    scroll-snap-type: x mandatory;
  }

  .detail-work-card.is-active {
    transform: scale(1.02);
  }

  .detail-works-dots {
    display: flex;
  }
}