.page-contact {
  --c-pad: clamp(18px, 4.5vw, 26px);
  --c-cut: 24px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-contact .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--steel);
}

.page-contact .breadcrumbs__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .breadcrumbs__link:hover,
.page-contact .breadcrumbs__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .body-copy {
  color: rgba(245, 241, 232, .78);
  max-width: 62ch;
}

/* ---------- hero ---------- */
.contact-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(40px, 7vw, 78px);
  background:
    radial-gradient(115% 80% at 92% -12%, rgba(228, 87, 46, .26), transparent 60%),
    radial-gradient(90% 70% at -10% 105%, rgba(91, 124, 153, .22), transparent 58%),
    var(--ink-3);
  border-bottom: 1px solid var(--line);
}

.contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 28px);
  opacity: .5;
  pointer-events: none;
}

.contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 44px);
}

.contact-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.05;
  letter-spacing: -.03em;
  color: var(--paper);
}

.contact-hero__copy {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.contact-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.contact-quick__item {
  padding: 12px 0 12px 16px;
  border-left: 2px solid var(--gold);
  background: linear-gradient(90deg, rgba(21, 40, 61, .9), rgba(21, 40, 61, 0));
}

.contact-quick__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--steel);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact-quick__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(13px, 2.6vw, 16px);
  color: var(--gold);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

a.contact-quick__value:hover,
a.contact-quick__value:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--ember);
}

.contact-quick__value--plain {
  color: var(--paper);
  font-family: var(--font-body);
}

.contact-board {
  position: relative;
  padding: var(--c-pad);
  background: linear-gradient(158deg, rgba(21, 40, 61, .95), rgba(14, 27, 44, .95));
  border-top: 2px solid var(--ember);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--c-cut)), calc(100% - var(--c-cut)) 100%, 0 100%);
}

.contact-board__kicker {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--ember);
}

.contact-board__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 241, 232, .8);
}

.contact-board__list li {
  position: relative;
  padding-left: 16px;
}

.contact-board__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

.contact-board__link {
  display: inline-block;
}

/* ---------- section shell ---------- */
.contact-section {
  padding: clamp(44px, 8vw, 88px) 0;
  border-bottom: 1px solid var(--line);
}

.contact-section__head {
  max-width: 720px;
  margin-bottom: clamp(26px, 4vw, 40px);
}

.contact-section h2 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(23px, 4.4vw, 38px);
  line-height: 1.14;
  letter-spacing: -.025em;
  color: var(--paper);
}

/* ---------- contact cards ---------- */
.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.contact-card {
  position: relative;
  padding: calc(var(--c-pad) + 6px) var(--c-pad) var(--c-pad);
  background: linear-gradient(152deg, rgba(21, 40, 61, .98), rgba(14, 27, 44, .98));
  overflow: hidden;
  transition: background .2s var(--ease);
}

.contact-card--mail {
  clip-path: polygon(0 0, calc(100% - var(--c-cut)) 0, 100% var(--c-cut), 100% 100%, 0 100%);
}

.contact-card--phone {
  clip-path: polygon(0 0, 100% 0, 100% 100%, calc(var(--c-cut) + 6px) 100%, 0 calc(100% - var(--c-cut) - 6px));
}

.contact-card--addr {
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.contact-card__bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 3px;
  background: var(--ember);
  transition: width .2s var(--ease), background .2s var(--ease);
}

.contact-card:hover .contact-card__bar {
  width: 100%;
  background: var(--gold);
}

.contact-card__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
}

.contact-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 3vw, 23px);
  letter-spacing: -.02em;
  color: var(--paper);
}

.contact-card__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 241, 232, .74);
}

.contact-card__value {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 2.4vw, 15px);
  line-height: 1.5;
  color: var(--gold);
  word-break: break-all;
}

.contact-card__value--addr {
  font-family: var(--font-body);
  color: var(--paper);
  font-size: 15px;
  line-height: 1.65;
}

/* ---------- preparation list ---------- */
.prep-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.prep-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px 4px;
  background: var(--ink);
}

.prep-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ember);
  padding-top: 2px;
}

.prep-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: -.01em;
  color: var(--paper);
}

.prep-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(245, 241, 232, .72);
}

/* ---------- flow ---------- */
.contact-flow-figure {
  margin: 0 0 clamp(26px, 4vw, 40px);
  border: 1px solid var(--line-strong);
  background: var(--ink-2);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.contact-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.flow-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-node {
  position: relative;
  padding: 22px 0 26px 26px;
  border-left: 1px solid var(--line-strong);
  transition: background .2s var(--ease);
}

.flow-node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 26px;
  width: 9px;
  height: 9px;
  background: var(--ember);
  transform: rotate(45deg);
  transition: background .2s var(--ease);
}

.flow-node:hover::before,
.flow-node:focus-within::before {
  background: var(--gold);
}

.flow-node h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--paper);
}

.flow-node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(245, 241, 232, .74);
}

.flow-node__need {
  margin-top: 10px !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: .02em;
  color: var(--gold) !important;
}

/* ---------- region ---------- */
.contact-region {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  align-items: stretch;
}

.region-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.region-fact {
  padding: 14px 14px 16px;
  background: var(--ink-2);
}

.region-fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 6px;
}

.region-fact dd {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(15px, 2.6vw, 19px);
  letter-spacing: -.01em;
  color: var(--gold);
}

.contact-region__hint {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
  border-left: 2px solid var(--steel);
  padding-left: 14px;
}

.contact-region__visual {
  position: relative;
  min-height: 240px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  background: var(--ink-3);
}

.contact-region__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
}

.contact-region__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(14, 27, 44, .94) 8%, rgba(14, 27, 44, .42) 70%, rgba(228, 87, 46, .22) 100%);
  pointer-events: none;
}

.contact-region__pin {
  position: absolute;
  top: 32%;
  left: 46%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 8px rgba(242, 184, 75, .16), 0 0 0 18px rgba(242, 184, 75, .08);
  z-index: 2;
}

.contact-region__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--paper);
  background: linear-gradient(0deg, rgba(10, 20, 33, .95), rgba(10, 20, 33, 0));
  z-index: 2;
}

/* ---------- cooperation ---------- */
.contact-coop {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
}

.coop-points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.coop-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(245, 241, 232, .78);
  border-bottom: 1px dashed var(--line);
  padding-bottom: 12px;
}

.coop-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 2px;
  background: var(--ember);
}

.mail-draft {
  padding: var(--c-pad);
  background: linear-gradient(160deg, rgba(21, 40, 61, .96), rgba(10, 20, 33, .96));
  border-left: 2px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.mail-draft__kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.mail-draft__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.mail-draft__list li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 241, 232, .78);
}

.mail-draft__list span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel);
  padding-top: 3px;
}

.mail-draft__btn {
  display: inline-block;
}

.mail-draft__note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- tail ---------- */
.contact-tail {
  padding: clamp(40px, 7vw, 72px) 0 clamp(48px, 8vw, 80px);
  background:
    linear-gradient(180deg, rgba(14, 27, 44, 1), rgba(10, 20, 33, 1));
}

.contact-tail__inner {
  border-top: 1px solid var(--line-strong);
  padding-top: clamp(24px, 4vw, 36px);
}

.contact-tail h2 {
  margin: 0 0 22px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(19px, 3.6vw, 26px);
  letter-spacing: -.02em;
  color: var(--paper);
}

.tail-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.tail-link {
  display: block;
  padding: 16px 16px 18px;
  background: var(--ink-2);
  text-decoration: none;
  transition: background .16s var(--ease);
}

.tail-link:hover,
.tail-link:focus-visible {
  background: rgba(228, 87, 46, .14);
}

.tail-link__title {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15px;
  color: var(--paper);
  margin-bottom: 6px;
}

.tail-link:hover .tail-link__title,
.tail-link:focus-visible .tail-link__title {
  color: var(--gold);
}

.tail-link__desc {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.contact-tail__meta {
  margin: 24px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: var(--steel);
  word-break: break-word;
}

@media (min-width: 640px) {
  .contact-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tail-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .contact-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .contact-cards {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px;
  }

  .contact-card--mail {
    grid-column: span 5;
  }

  .contact-card--phone {
    grid-column: span 4;
  }

  .contact-card--addr {
    grid-column: span 3;
  }

  .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .flow-node {
    padding: 28px 20px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line-strong);
  }

  .flow-node::before {
    left: 0;
    top: -5px;
  }

  .contact-region {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .contact-region__visual {
    min-height: 420px;
  }

  .contact-coop {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .tail-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .contact-hero h1 {
    max-width: 15ch;
  }

  .region-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: .001ms !important;
  }
}
<<<PAGE_CSS_END>>>