.page-contact {
  --pc-sub: #B9C8DC;
  --pc-paper-text: #1A2333;
  --pc-key: #B4480A;
  background:
    radial-gradient(90% 60% at 92% 0%, rgba(255, 106, 26, .14), transparent 60%),
    repeating-linear-gradient(112deg, rgba(217, 185, 140, .05) 0 1px, transparent 1px 18px),
    var(--ink);
  color: var(--paper);
  padding-bottom: clamp(40px, 6vw, 80px);
  overflow-x: hidden;
}

.page-contact [id] {
  scroll-margin-top: 92px;
}

.page-contact .breadcrumb {
  margin-top: clamp(12px, 2vw, 20px);
}

.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
  padding-block: clamp(18px, 3vw, 32px) clamp(28px, 4vw, 48px);
}

.page-contact .hero-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.07;
  letter-spacing: -.015em;
}

.page-contact .contact-hero h1 em {
  font-style: normal;
  color: var(--lime);
  display: inline-block;
}

.page-contact .hero-lead {
  margin: 16px 0 0;
  max-width: 44ch;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .hero-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-contact .hero-visual {
  position: relative;
}

.page-contact .hero-visual::before {
  content: "";
  position: absolute;
  right: -8px;
  bottom: -10px;
  width: 64%;
  height: 52%;
  border: 1px solid var(--line-strong);
  background: rgba(217, 185, 140, .07);
}

.page-contact .hero-visual .hero-frame {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line-strong);
}

.page-contact .hero-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .section-head .lead {
  max-width: 60ch;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .channel-card {
  position: relative;
  padding: 16px 18px 16px 22px;
  background: linear-gradient(158deg, rgba(18, 41, 74, .95), rgba(11, 27, 51, .94));
  border: 1px solid var(--line);
  box-shadow: var(--sheet-shadow);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--pc-accent, var(--orange));
}

.page-contact .channel-card.c1 { --pc-accent: var(--orange); }
.page-contact .channel-card.c2 { --pc-accent: var(--lime); }
.page-contact .channel-card.c3 { --pc-accent: var(--sand); }

.page-contact .channel-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.8vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-value + .channel-value {
  margin-top: 5px;
}

.page-contact .channel-use {
  margin: 9px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--pc-sub);
}

.page-contact .reply-panel {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(170deg, rgba(230, 238, 248, .07), rgba(230, 238, 248, .02));
}

.page-contact .reply-panel::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 46px;
  height: 46px;
  border-top: 3px solid var(--orange);
  border-right: 3px solid var(--orange);
}

.page-contact .reply-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--lime);
}

.page-contact .reply-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(184, 255, 61, .16);
  animation: pc-pulse 2.4s ease-in-out infinite;
}

@keyframes pc-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}

.page-contact .reply-panel h3 {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 800;
  line-height: 1.3;
}

.page-contact .reply-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .reply-panel .reply-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13px;
  color: var(--pc-sub);
}

.page-contact .reply-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 255, 61, .5);
  padding-bottom: 2px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .reply-link:hover,
.page-contact .reply-link:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-contact .flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-contact .flow-figure {
  margin: 0;
}

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

.page-contact .flow-body .section-title {
  margin-top: 8px;
}

.page-contact .flow-steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .flow-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-left: 2px solid var(--line);
  background: linear-gradient(90deg, rgba(18, 41, 74, .78), rgba(18, 41, 74, 0));
  transition: border-color .18s var(--ease), transform .18s var(--ease), background-color .18s var(--ease);
}

.page-contact .flow-step:hover,
.page-contact .flow-step:focus-within {
  border-left-color: var(--lime);
  transform: translateX(4px);
  background-color: rgba(18, 41, 74, .55);
}

.page-contact .step-num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--orange);
}

.page-contact .step-name {
  margin: 0 0 4px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .step-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--pc-sub);
}

.page-contact .checklist {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .check-item {
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid rgba(10, 10, 10, .14);
  box-shadow: 5px 5px 0 -1px rgba(217, 185, 140, .55);
}

.page-contact .check-key {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pc-key);
}

.page-contact .check-val {
  display: block;
  font-size: 14px;
  line-height: 1.72;
  color: var(--pc-paper-text);
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .coop-card {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(18, 41, 74, .92), rgba(11, 27, 51, .92));
  box-shadow: var(--sheet-shadow);
}

.page-contact .coop-card .tag {
  justify-self: start;
}

.page-contact .coop-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--pc-sub);
}

.page-contact .coop-subject {
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--sand) !important;
  overflow-wrap: anywhere;
}

.page-contact .meta-block {
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-strong);
}

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

.page-contact .stamp {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  background: rgba(217, 185, 140, .1);
  color: var(--sand);
  font-size: 12.5px;
  letter-spacing: .02em;
  overflow-wrap: anywhere;
}

.page-contact .stamp.mono {
  font-family: var(--font-mono);
}

.page-contact .meta-note {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--pc-sub);
}

.page-contact .meta-links {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.page-contact .meta-links a {
  color: var(--text-soft);
  font-size: 13.5px;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .meta-links a:hover,
.page-contact .meta-links a:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

@media (min-width: 720px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-contact .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .flow {
    grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .channel-list {
    gap: 14px;
  }

  .page-contact .flow-step {
    padding: 16px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .reply-dot {
    animation: none;
  }

  .page-contact .flow-step,
  .page-contact .reply-link,
  .page-contact .meta-links a {
    transition: none;
  }
}
<<<END>>>