:root {
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
}

.subpage {
  --premium-navy: #122131;
  --premium-deep: #08131e;
  --premium-bronze: #b58a56;
  --premium-paper: #f6f4ef;
  --premium-silver: #e7e8e8;
  --premium-copy: #343a40;
  --premium-muted: #676f76;
  --ink: var(--premium-navy);
  --paper: var(--premium-paper);
  --line: #d6d9da;
  --gray: var(--premium-muted);
  background: var(--premium-paper);
  color: var(--premium-copy);
}

.subpage .shell {
  width: min(calc(100% - (var(--gutter) * 2)), 1280px);
}

.subpage .site-header {
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

.subpage .site-header.is-scrolled,
.subpage .site-header.menu-active {
  border-bottom-color: rgba(18, 33, 49, 0.12);
  background: rgba(246, 244, 239, 0.94);
  color: var(--premium-navy);
  backdrop-filter: blur(18px);
}

.subhero {
  height: clamp(540px, 64vh, 600px);
  min-height: 540px;
  background: var(--premium-deep);
}

.subhero::before,
.subhero::after {
  position: absolute;
  z-index: 1;
  pointer-events: none;
  content: "";
}

.subhero::before {
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 100% 25%, 25% 100%;
  mask-image: linear-gradient(to bottom, transparent, #000 28%, #000 100%);
}

.subhero::after {
  right: var(--gutter);
  bottom: 0;
  left: var(--gutter);
  height: 1px;
  background: rgba(255, 255, 255, 0.24);
}

.subhero-picture img {
  filter: saturate(0.72) contrast(1.06);
  transform: scale(1.008);
}

.subhero-shade {
  background: linear-gradient(
    90deg,
    rgba(5, 17, 28, 0.9) 0%,
    rgba(5, 17, 28, 0.58) 52%,
    rgba(5, 17, 28, 0.2) 100%
  );
}

.subhero-content {
  z-index: 3;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 430px);
  grid-template-rows: auto 1fr auto;
  gap: 28px 80px;
  padding-top: 102px;
  padding-bottom: 64px;
}

.breadcrumbs {
  color: rgba(255, 255, 255, 0.62);
  letter-spacing: 0.08em;
}

.breadcrumbs strong {
  color: #fff;
}

.subhero-title {
  align-self: end;
}

.subhero-index {
  margin-bottom: 28px;
  color: var(--premium-bronze);
  font-family: var(--font-en);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.subhero-category,
.subhero-english {
  margin: 0;
  text-transform: uppercase;
}

.subhero-category {
  margin-bottom: 12px;
  color: #fff;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.subhero-english {
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 9px;
  letter-spacing: 0.13em;
}

.subhero h1 {
  color: #fff;
  font-size: clamp(56px, 5.4vw, 78px);
  font-weight: 400;
  letter-spacing: -0.055em;
}

.subhero-copy {
  align-self: end;
  padding: 22px 0 8px 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.4);
  border-left: 2px solid var(--premium-bronze);
}

.subhero-copy strong {
  padding-top: 0;
  color: #fff;
  font-size: 18px;
}

.subhero-copy p {
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.subhero-scroll {
  position: absolute;
  right: 0;
  bottom: 58px;
  display: flex;
  gap: 11px;
  align-items: center;
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.subhero-scroll i {
  position: relative;
  width: 1px;
  height: 48px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.26);
}

.subhero-scroll i::after {
  position: absolute;
  inset: 0;
  background: var(--premium-bronze);
  content: "";
  animation: premium-scroll-line 2.2s var(--ease-premium) infinite;
}

.subhero-identity,
.subhero-document {
  background: linear-gradient(135deg, #e5e5e1 0%, var(--premium-paper) 62%, #d8dde0 100%);
  color: var(--premium-navy);
}

.subhero-identity::before,
.subhero-document::before {
  background-image:
    linear-gradient(rgba(18, 33, 49, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 33, 49, 0.055) 1px, transparent 1px);
}

.hero-light .subhero h1,
.hero-light .subhero-category,
.hero-light .breadcrumbs strong {
  color: var(--premium-navy);
}

.hero-light .subhero-index,
.hero-light .subhero-english {
  color: #7b572f;
}

.hero-light .breadcrumbs,
.hero-light .subhero-copy p,
.hero-light .subhero-scroll {
  color: rgba(18, 33, 49, 0.68);
}

.hero-light .subhero-copy {
  border-top-color: rgba(18, 33, 49, 0.24);
}

.hero-light .subhero-copy strong {
  color: var(--premium-navy);
}

.hero-light .subhero-scroll i {
  background: rgba(18, 33, 49, 0.18);
}

.category-nav {
  position: relative;
  z-index: 55;
  top: auto;
  margin-top: -34px;
  pointer-events: none;
}

.category-nav-inner {
  display: grid;
  grid-template-columns: minmax(145px, 0.22fr) minmax(0, 1fr);
  min-height: 68px;
  padding: 0;
  border: 1px solid rgba(18, 33, 49, 0.16);
  background: rgba(246, 244, 239, 0.92);
  box-shadow: 0 18px 46px rgba(8, 19, 30, 0.08);
  pointer-events: auto;
  backdrop-filter: blur(18px);
}

.category-nav-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 24px;
  border-right: 1px solid rgba(18, 33, 49, 0.12);
  background: var(--premium-navy);
  color: #fff;
}

.category-nav-brand small,
.category-nav-links small,
.category-nav-toggle small {
  display: block;
  font-family: var(--font-en);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.category-nav-brand small {
  margin-bottom: 5px;
  color: var(--premium-bronze);
}

.category-nav-brand strong {
  font-size: 14px;
  font-weight: 600;
}

.category-nav-links {
  display: flex;
  min-width: 0;
  align-items: stretch;
  overflow-x: auto;
  scrollbar-width: none;
}

.category-nav-links::-webkit-scrollbar {
  display: none;
}

.category-nav-links a {
  position: relative;
  display: flex;
  min-width: 102px;
  padding: 15px 20px 12px;
  flex: 1 0 auto;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid rgba(18, 33, 49, 0.09);
  color: #50575d;
  text-align: center;
}

.category-nav-links a::after {
  position: absolute;
  right: 18px;
  bottom: -1px;
  left: 18px;
  height: 2px;
  background: var(--premium-bronze);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 350ms var(--ease-premium);
}

.category-nav-links strong {
  font-size: 12px;
  font-weight: 600;
}

.category-nav-links small {
  height: 0;
  margin-top: 0;
  overflow: hidden;
  color: var(--premium-muted);
  opacity: 0;
  transform: translateY(4px);
  transition: height 280ms var(--ease-premium), margin 280ms var(--ease-premium), opacity 280ms ease, transform 280ms var(--ease-premium);
}

.category-nav-links a:hover,
.category-nav-links a[aria-current="page"] {
  color: var(--premium-navy);
}

.category-nav-links a:hover::after,
.category-nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.category-nav-links a:hover small,
.category-nav-links a[aria-current="page"] small {
  height: 10px;
  margin-top: 5px;
  opacity: 1;
  transform: translateY(0);
}

.category-nav-toggle,
.category-panel {
  display: none;
}

.detail-main {
  padding-top: 42px;
  padding-bottom: 160px;
}

.detail-section {
  padding: clamp(118px, 10vw, 164px) 0;
  border-bottom-color: var(--line);
}

.detail-main > .detail-section:first-child {
  padding-top: 120px;
}

.section-heading {
  position: relative;
  grid-template-columns: minmax(150px, 0.28fr) minmax(0, 1fr);
  margin-bottom: 86px;
  padding-top: 22px;
  border-top: 1px solid var(--premium-navy);
}

.section-heading::before {
  position: absolute;
  top: -1px;
  left: 0;
  width: 88px;
  height: 2px;
  background: var(--premium-bronze);
  content: "";
}

.section-heading > span {
  padding-top: 5px;
  color: #77542f;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.section-heading h2 {
  color: var(--premium-navy);
  font-size: clamp(42px, 4.3vw, 58px);
  font-weight: 450;
  letter-spacing: -0.045em;
}

.page-company .detail-stats {
  border-color: rgba(255, 255, 255, 0.18);
  background: var(--premium-navy);
  color: #fff;
}

.page-company .detail-stats div {
  display: flex;
  min-height: 132px;
  padding: 22px 24px;
  flex-direction: column;
  justify-content: center;
  border-color: rgba(255, 255, 255, 0.16);
}

.page-company .detail-stats dt {
  color: var(--premium-bronze);
}

.page-company .detail-stats dd {
  margin-top: 22px;
  color: #fff;
  font-size: clamp(27px, 2.2vw, 34px);
}

.page-company .company-message-section {
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1.58fr);
  border-block-color: var(--premium-navy);
}

.page-company .company-message-copy > span,
.page-company .profile-ledger h2,
.page-location .location-ledger h2 {
  color: var(--premium-navy);
}

.page-company .company-message-copy > div strong {
  position: relative;
  padding-right: 56px;
}

.page-company .company-message-copy > div strong::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  width: 42px;
  height: 14px;
  border-bottom: 1px solid var(--premium-bronze);
  content: "";
  transform: rotate(-8deg);
}

.page-location .location-ledger {
  padding: clamp(34px, 4vw, 58px);
  background: var(--premium-navy);
  color: #fff;
}

.page-location .location-ledger > span,
.page-location .location-ledger dt {
  color: var(--premium-bronze);
}

.page-location .location-ledger h2,
.page-location .location-ledger dd,
.page-location .location-ledger a,
.page-location .location-ledger .location-address-note {
  color: #fff;
}

.page-location .location-ledger dl,
.page-location .location-ledger dl div {
  border-color: rgba(255, 255, 255, 0.18);
}

.page-location .location-ledger .detail-link,
.page-location .location-ledger .copy-action {
  border-color: rgba(255, 255, 255, 0.28);
}

.page-location .access-map-label {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(8, 19, 30, 0.92);
}

.page-location .arrival-mode.is-recommended {
  background: var(--premium-navy);
  color: #fff;
}

.page-location .arrival-mode.is-recommended h3,
.page-location .arrival-mode.is-recommended p,
.page-location .arrival-mode.is-recommended strong {
  color: #fff;
}

.related-section,
.project-readiness {
  background: #e9e9e5;
}

.subpage-contact {
  background: var(--premium-deep);
}

@keyframes premium-scroll-line {
  0% { transform: translateY(-100%); }
  50%, 100% { transform: translateY(100%); }
}

@media (max-width: 1100px) {
  .subhero {
    height: 520px;
    min-height: 520px;
  }

  .subhero-content {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 24px 48px;
  }

  .category-nav {
    position: sticky;
    top: var(--header-height);
    margin-top: -28px;
  }

  .category-nav-inner {
    display: block;
    min-height: 62px;
  }

  .category-nav-brand,
  .category-nav-links {
    display: none;
  }

  .category-nav-toggle {
    display: flex;
    width: 100%;
    min-height: 62px;
    padding: 0 22px;
    align-items: center;
    justify-content: space-between;
    border: 0;
    background: transparent;
    color: var(--premium-navy);
    cursor: pointer;
    text-align: left;
  }

  .category-nav-toggle small {
    margin-bottom: 4px;
    color: #77542f;
  }

  .category-nav-toggle strong {
    font-size: 14px;
  }

  .category-nav-toggle > b {
    position: relative;
    width: 28px;
    height: 28px;
    border: 1px solid rgba(18, 33, 49, 0.18);
  }

  .category-nav-toggle > b::before,
  .category-nav-toggle > b::after {
    position: absolute;
    top: 13px;
    left: 8px;
    width: 11px;
    height: 1px;
    background: currentColor;
    content: "";
    transition: transform 300ms var(--ease-premium);
  }

  .category-nav-toggle > b::after {
    transform: rotate(90deg);
  }

  .category-nav-toggle[aria-expanded="true"] > b::before {
    transform: rotate(45deg);
  }

  .category-nav-toggle[aria-expanded="true"] > b::after {
    transform: rotate(-45deg);
  }

  .category-panel:not([hidden]) {
    position: fixed;
    z-index: 110;
    inset: 0;
    display: block;
  }

  .category-panel-backdrop {
    position: absolute;
    inset: 0;
    width: 100%;
    border: 0;
    background: rgba(8, 19, 30, 0.74);
    opacity: 0;
    transition: opacity 420ms var(--ease-premium);
  }

  .category-panel-sheet {
    position: absolute;
    top: 0;
    right: 0;
    display: grid;
    width: min(88vw, 440px);
    height: 100%;
    grid-template-rows: auto 1fr auto;
    background: var(--premium-paper);
    color: var(--premium-navy);
    transform: translateX(100%);
    transition: transform 420ms var(--ease-premium);
  }

  .category-panel.is-open .category-panel-backdrop {
    opacity: 1;
  }

  .category-panel.is-open .category-panel-sheet {
    transform: translateX(0);
  }

  .category-panel-sheet > header {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 20px;
    min-height: 132px;
    padding: 34px 74px 26px 30px;
    border-bottom: 1px solid var(--line);
  }

  .category-panel-sheet > header small,
  .category-panel-sheet > header strong {
    display: block;
  }

  .category-panel-sheet > header small {
    margin-bottom: 8px;
    color: #77542f;
    font-family: var(--font-en);
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .category-panel-sheet > header strong {
    font-size: 28px;
    font-weight: 500;
  }

  .category-panel-sheet > header > span {
    color: var(--premium-bronze);
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 700;
  }

  .category-panel-close {
    position: absolute;
    top: 28px;
    right: 24px;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(18, 33, 49, 0.18);
    background: transparent;
    color: var(--premium-navy);
    cursor: pointer;
    font-size: 28px;
    font-weight: 300;
  }

  .category-panel-sheet > nav {
    overflow-y: auto;
    padding: 8px 30px 30px;
  }

  .category-panel-sheet > nav a {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    min-height: 72px;
    border-bottom: 1px solid var(--line);
    color: #4d555c;
    opacity: 0;
    transform: translateX(16px);
    transition: opacity 360ms ease calc(var(--category-index) * 50ms + 100ms), transform 420ms var(--ease-premium) calc(var(--category-index) * 50ms + 100ms);
  }

  .category-panel-sheet > nav a:nth-child(1) { --category-index: 0; }
  .category-panel-sheet > nav a:nth-child(2) { --category-index: 1; }
  .category-panel-sheet > nav a:nth-child(3) { --category-index: 2; }
  .category-panel-sheet > nav a:nth-child(4) { --category-index: 3; }
  .category-panel-sheet > nav a:nth-child(5) { --category-index: 4; }
  .category-panel-sheet > nav a:nth-child(6) { --category-index: 5; }
  .category-panel-sheet > nav a:nth-child(7) { --category-index: 6; }
  .category-panel-sheet > nav a:nth-child(8) { --category-index: 7; }

  .category-panel.is-open .category-panel-sheet > nav a {
    opacity: 1;
    transform: translateX(0);
  }

  .category-panel-sheet > nav a[aria-current="page"] {
    padding-left: 12px;
    border-left: 2px solid var(--premium-bronze);
    color: var(--premium-navy);
  }

  .category-panel-sheet > nav a > span {
    color: var(--premium-bronze);
    font-family: var(--font-en);
    font-size: 10px;
    font-weight: 700;
  }

  .category-panel-sheet > nav strong,
  .category-panel-sheet > nav small {
    display: block;
  }

  .category-panel-sheet > nav strong {
    font-size: 16px;
    font-weight: 600;
  }

  .category-panel-sheet > nav small {
    margin-top: 4px;
    color: var(--premium-muted);
    font-family: var(--font-en);
    font-size: 8px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .category-panel-sheet > nav b {
    font-size: 16px;
    font-weight: 400;
  }

  .category-panel-sheet > footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 68px;
    border-top: 1px solid var(--line);
    background: var(--premium-navy);
  }

  .category-panel-sheet > footer a {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
  }

  .category-panel-sheet > footer a + a {
    border-left: 1px solid rgba(255, 255, 255, 0.16);
    background: #8a663f;
  }

  .category-panel-sheet .ui-icon {
    width: 15px;
    height: 15px;
  }

  body.category-menu-open {
    overflow: hidden;
  }

  .page-company .company-message-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .subhero {
    height: clamp(340px, 55svh, 380px);
    min-height: 340px;
  }

  .subhero-content {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto 1fr auto;
    gap: 0;
    padding-top: 82px;
    padding-bottom: 34px;
  }

  .breadcrumbs {
    font-size: 8px;
  }

  .subhero-title {
    align-self: end;
  }

  .subhero-index {
    margin-bottom: 18px;
  }

  .subhero-category {
    margin-bottom: 8px;
    font-size: 9px;
  }

  .subhero h1 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .subhero-copy {
    padding: 14px 0 0 16px;
    border-top: 0;
  }

  .subhero-copy strong {
    font-size: 15px;
  }

  .subhero-copy p {
    display: none;
  }

  .subhero-scroll {
    display: none;
  }

  .category-nav {
    top: var(--header-height);
    margin-top: -20px;
  }

  .category-nav-inner {
    min-height: 58px;
  }

  .category-nav-toggle {
    min-height: 58px;
    padding-inline: 18px;
  }

  .detail-main {
    padding-top: 24px;
    padding-bottom: 100px;
  }

  .detail-section,
  .detail-main > .detail-section:first-child {
    padding: 88px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 52px;
    padding-top: 18px;
  }

  .section-heading h2 {
    font-size: clamp(34px, 10.5vw, 44px);
  }

  .page-company .detail-stats div {
    min-height: 112px;
    padding: 18px;
  }

  .page-company .detail-stats dd {
    margin-top: 16px;
    font-size: 21px;
    letter-spacing: -0.02em;
  }

  .page-location .location-ledger {
    padding: 30px 22px;
  }
}

@media (min-width: 1600px) {
  .subpage .shell {
    width: min(calc(100% - (var(--gutter) * 2)), 1480px);
  }

  .subpage .detail-main,
  .subpage .category-nav-inner,
  .subpage .project-readiness > .shell,
  .subpage .related-section > .shell {
    width: min(calc(100% - (var(--gutter) * 2)), 1280px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .subhero-scroll i::after {
    animation: none;
  }

  .category-panel-backdrop,
  .category-panel-sheet,
  .category-panel-sheet > nav a,
  .category-nav-links a::after,
  .category-nav-links small {
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 620px) {
  .subpage .section-heading > span,
  .subpage .project-readiness header > span,
  .subpage .related-section header span,
  .subpage .subpage-contact .shell > span,
  .subpage .subhero-english,
  .subpage .footer-main p,
  .subpage .footer-top,
  .subpage .footer-meta p,
  .page-gallery .gallery-collection-heading > span,
  .page-gallery .gallery-concept-card figcaption > span,
  .page-gallery .company-material-card figcaption > span,
  .page-gallery .gallery-spec-panel > span,
  .page-gallery .gallery-spec-list span,
  .page-gallery .gallery-spec-intro,
  .page-gallery .gallery-spec-note {
    font-size: 12px;
  }
}