.page-contact {
  --contact-grid-line: rgba(122, 136, 150, 0.12);
  --contact-plate-skew: -5deg;
  background: var(--ink);
  color: var(--fog);
  padding-top: calc(var(--header-h) + 8px);
  overflow-x: hidden;
}

.page-contact .channels-anchor {
  display: block;
  height: 0;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-contact .contact-crumbs {
  padding-top: 18px;
  padding-bottom: 6px;
}

.page-contact .breadcrumbs {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
  display: flex;
  gap: 8px;
  align-items: center;
}

.page-contact .breadcrumbs a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .breadcrumbs a:hover {
  color: var(--electric-soft);
  border-bottom-color: var(--electric);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--fog);
}

/* ---------- hero split ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(40px, 6vw, 72px);
  background-image:
    radial-gradient(120% 90% at 10% -10%, rgba(47, 124, 255, 0.22), transparent 62%),
    linear-gradient(90deg, var(--contact-grid-line) 1px, transparent 1px),
    linear-gradient(180deg, var(--contact-grid-line) 1px, transparent 1px);
  background-size: auto, 72px 72px, 72px 72px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
}

.page-contact .contact-hero__left {
  position: relative;
  padding: clamp(20px, 4vw, 40px);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(47, 124, 255, 0.12), rgba(8, 24, 38, 0) 58%),
    var(--ink-2);
}

.page-contact .contact-hero__left::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 96px;
  background: linear-gradient(180deg, var(--electric), var(--flame));
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
  color: var(--fog);
}

.page-contact .contact-lead {
  margin: 16px 0 0;
  font-size: clamp(15px, 3.4vw, 18px);
  line-height: 1.85;
  color: rgba(242, 245, 248, 0.82);
  max-width: 42ch;
}

.page-contact .contact-channel {
  margin-top: clamp(24px, 4vw, 34px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-channel__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-contact .contact-channel__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--electric-soft);
  border: 1px solid var(--line);
  padding: 2px 6px;
}

.page-contact .contact-channel__value {
  display: block;
  text-decoration: none;
  color: var(--fog);
  transition: color 160ms var(--ease);
}

.page-contact .contact-channel__value--tel {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(34px, 9.5vw, 62px);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-contact .contact-channel__value--mail {
  font-family: var(--font-mono);
  font-size: clamp(15px, 4vw, 24px);
  line-height: 1.4;
  letter-spacing: 0.01em;
  word-break: break-all;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}

.page-contact .contact-channel__value--tel:hover,
.page-contact .contact-channel__value--mail:hover {
  color: var(--amber);
}

.page-contact .channel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.page-contact .copy-btn {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 10px 16px;
  border: 1px solid rgba(47, 124, 255, 0.4);
  background: rgba(47, 124, 255, 0.1);
  color: var(--fog);
  cursor: pointer;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .copy-btn:hover {
  border-color: var(--electric);
  background: rgba(47, 124, 255, 0.2);
  color: var(--electric-soft);
}

.page-contact .copy-btn[data-copied="true"] {
  border-color: var(--grass);
  color: var(--grass);
  background: rgba(47, 191, 113, 0.12);
}

/* address plate */
.page-contact .addr-plate {
  position: relative;
  margin-top: clamp(24px, 4vw, 34px);
  padding: 20px 22px 22px;
  background: var(--ink-3);
  border-top: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .addr-plate::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: var(--flame);
  transform: skewY(var(--contact-plate-skew));
  transform-origin: top left;
}

.page-contact .addr-plate__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-contact .addr-plate__text {
  margin: 0;
  font-size: clamp(15px, 3.6vw, 18px);
  line-height: 1.7;
  font-weight: 500;
  color: var(--fog);
}

.page-contact .addr-plate__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--steel);
}

/* first-screen image band */
.page-contact .scope-plate {
  margin: clamp(22px, 4vw, 32px) 0 0;
  position: relative;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .scope-plate img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.82);
  transition: filter 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .scope-plate:hover img {
  filter: saturate(1) brightness(0.94);
  transform: translateY(-2px);
}

.page-contact .scope-plate__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--fog);
  background: rgba(8, 24, 38, 0.86);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

/* ---------- right column: matters + prep ---------- */
.page-contact .matters__title,
.page-contact .prep__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 4vw, 22px);
  line-height: 1.4;
  margin: 0 0 16px;
  color: var(--fog);
}

.page-contact .matter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .matter-list li {
  border-bottom: 1px solid var(--line);
}

.page-contact .matter-link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 12px;
  padding: 16px 4px 16px 0;
  text-decoration: none;
  color: rgba(242, 245, 248, 0.9);
  border-left: 2px solid transparent;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease), padding-left 160ms var(--ease);
}

.page-contact .matter-link:hover {
  border-left-color: var(--flame);
  background: rgba(47, 124, 255, 0.08);
  padding-left: 12px;
  color: var(--fog);
}

.page-contact .matter-link__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--electric-soft);
  letter-spacing: 0.06em;
}

.page-contact .matter-link__txt {
  font-size: clamp(14px, 3.4vw, 16px);
  line-height: 1.6;
}

.page-contact .matter-link__arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--steel);
  transition: color 160ms var(--ease), transform 160ms var(--ease);
}

.page-contact .matter-link:hover .matter-link__arrow {
  color: var(--flame);
  transform: translateX(2px);
}

.page-contact .prep {
  margin-top: clamp(30px, 5vw, 44px);
}

.page-contact .prep__item {
  border: 1px solid var(--line);
  border-bottom: 0;
  background: rgba(14, 34, 51, 0.72);
}

.page-contact .prep__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .prep__summary {
  cursor: pointer;
  padding: 16px 18px;
  font-size: clamp(14px, 3.4vw, 16px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--fog);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .prep__summary::-webkit-details-marker {
  display: none;
}

.page-contact .prep__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--flame);
}

.page-contact .prep__item[open] .prep__summary::after {
  content: "−";
}

.page-contact .prep__summary:hover {
  background: rgba(47, 124, 255, 0.1);
}

.page-contact .prep__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .prep__list {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

.page-contact .prep__list li {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 245, 248, 0.76);
}

.page-contact .prep__list strong {
  color: var(--amber);
  font-weight: 600;
}

/* ---------- cooperation ---------- */
.page-contact .coop {
  padding: clamp(40px, 7vw, 88px) 0;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-contact .coop__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
}

.page-contact .section-head__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  color: var(--fog);
}

.page-contact .coop__intro {
  margin: 16px 0 26px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 245, 248, 0.78);
}

.page-contact .coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .coop__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 18px 0;
  background: var(--ink-2);
  border-left: 2px solid transparent;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-contact .coop__item:hover {
  border-left-color: var(--grass);
  background: #10283C;
}

.page-contact .coop__index {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4.6vw, 26px);
  font-weight: 700;
  color: var(--electric-soft);
  letter-spacing: -0.02em;
  text-align: right;
  line-height: 1.2;
}

.page-contact .coop__name {
  margin: 0 0 6px;
  font-size: clamp(16px, 3.8vw, 19px);
  font-weight: 700;
  color: var(--fog);
  letter-spacing: 0.01em;
}

.page-contact .coop__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 245, 248, 0.74);
}

.page-contact .coop__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .coop__foot a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 177, 138, 0.45);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .coop__foot a:hover {
  color: var(--fog);
  border-bottom-color: var(--fog);
}

.page-contact .coop__frame {
  align-self: start;
}

.page-contact .coop__frame img {
  transition: filter 200ms var(--ease);
  filter: saturate(0.9);
}

.page-contact .coop__frame:hover img {
  filter: saturate(1.05);
}

/* ---------- response ---------- */
.page-contact .resp {
  padding: clamp(40px, 7vw, 84px) 0;
  background:
    linear-gradient(180deg, rgba(47, 124, 255, 0.08), rgba(8, 24, 38, 0) 70%),
    var(--ink-3);
  border-bottom: 1px solid var(--line);
}

.page-contact .resp__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .resp__lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 245, 248, 0.76);
}

.page-contact .shift {
  border: 1px solid var(--line);
  padding: 18px 16px 12px;
  background: rgba(8, 24, 38, 0.6);
}

.page-contact .shift__bar {
  position: relative;
  height: 40px;
  background:
    repeating-linear-gradient(90deg, rgba(122, 136, 150, 0.28) 0 1px, transparent 1px 12.5%),
    linear-gradient(90deg, rgba(47, 124, 255, 0.55), rgba(255, 107, 44, 0.5));
  border-left: 2px solid var(--electric);
  border-right: 2px solid var(--flame);
}

.page-contact .shift__mark {
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: var(--p);
  width: 2px;
  background: var(--fog);
  opacity: 0.55;
}

.page-contact .shift__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-contact .resp__list {
  list-style: none;
  margin: clamp(20px, 4vw, 28px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .resp__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 160ms var(--ease);
}

.page-contact .resp__row:hover {
  background: rgba(47, 124, 255, 0.07);
}

.page-contact .resp__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--electric-soft);
}

.page-contact .resp__val {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(242, 245, 248, 0.82);
}

/* ---------- address section ---------- */
.page-contact .addr {
  padding: clamp(40px, 7vw, 84px) 0;
  background: var(--fog);
  color: var(--ink);
}

.page-contact .addr .eyebrow {
  color: var(--clay);
}

.page-contact .addr .section-head__title {
  color: var(--ink);
}

.page-contact .addr__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
}

.page-contact .addr__text {
  margin: 18px 0 0;
  font-size: clamp(18px, 4.2vw, 26px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  border-left: 4px solid var(--clay);
  padding-left: 16px;
}

.page-contact .addr__note {
  margin: 16px 0 0;
  max-width: 50ch;
  font-size: 14px;
  line-height: 1.9;
  color: #3C4C5C;
}

.page-contact .addr__facts {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(8, 24, 38, 0.16);
}

.page-contact .addr__fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(8, 24, 38, 0.16);
}

.page-contact .addr__fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-contact .addr__fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #22323F;
}

/* ---------- closing ---------- */
.page-contact .closing {
  padding: clamp(36px, 6vw, 64px) 0 0;
  background: var(--ink);
  color: var(--fog);
}

.page-contact .closing__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 4.4vw, 26px);
  line-height: 1.35;
  color: var(--fog);
}

.page-contact .closing__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .closing__links li {
  background: var(--ink-2);
}

.page-contact .closing__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  font-size: 14px;
  text-decoration: none;
  color: rgba(242, 245, 248, 0.88);
  border-left: 2px solid transparent;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .closing__links a:hover {
  border-left-color: var(--electric);
  background: rgba(47, 124, 255, 0.1);
  color: var(--fog);
}

.page-contact .closing__links a span {
  font-family: var(--font-mono);
  color: var(--steel);
}

.page-contact .closing__links a:hover span {
  color: var(--flame);
}

.page-contact .closing__legal {
  margin: 24px 0 0;
  padding: 18px 0 26px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.9;
  color: var(--steel);
}

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-contact .closing__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .resp__row,
  .page-contact .addr__fact {
    grid-template-columns: 128px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact {
    padding-top: calc(var(--header-h) + 16px);
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 44fr) minmax(0, 56fr);
    column-gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }

  .page-contact .coop__grid {
    grid-template-columns: minmax(0, 62fr) minmax(0, 38fr);
    align-items: start;
  }

  .page-contact .resp__grid {
    grid-template-columns: minmax(0, 40fr) minmax(0, 60fr);
    align-items: start;
  }

  .page-contact .addr__grid {
    grid-template-columns: minmax(0, 56fr) minmax(0, 44fr);
    align-items: start;
  }

  .page-contact .contact-hero__left {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1200px) {
  .page-contact .coop__item {
    grid-template-columns: 72px minmax(0, 1fr);
    padding: 22px 24px 22px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<PAGE_CSS_END>>>
</main>

.page-contact {
  --p: inherit;
}