.page-contact {
  --pc-line: rgba(201, 217, 227, 0.14);
  --pc-line-strong: rgba(201, 217, 227, 0.28);
  --pc-ink-soft: rgba(7, 16, 24, 0.68);
  background: var(--deep-sea);
  color: var(--text-on-dark);
  font-family: var(--font-body);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.page-contact h2 {
  font-size: clamp(1.5rem, 4.4vw, 2.35rem);
  line-height: 1.08;
  margin: 0.45em 0 0.55em;
  color: inherit;
}

.page-contact h3 {
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  line-height: 1.2;
  margin: 0 0 0.4em;
  color: inherit;
}

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

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--aqua);
  margin: 0;
}

.page-contact .eyebrow--ink {
  color: var(--bay-blue);
}

/* ---------- hero ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(18px, 3.6vw, 32px) 0 clamp(38px, 6vw, 64px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(16, 59, 92, 0.9), transparent 62%),
    linear-gradient(160deg, var(--night-blue), var(--deep-sea) 72%);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--pc-line) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, var(--pc-line) 0 1px, transparent 1px 72px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  pointer-events: none;
}

.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 34px);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact h1 {
  font-size: clamp(2rem, 7.4vw, 3.6rem);
  line-height: 1.02;
  margin: 0.34em 0 0.42em;
  color: #ffffff;
}

.page-contact .hero-sub {
  max-width: 42ch;
  margin: 0 0 clamp(20px, 3vw, 28px);
  font-size: clamp(0.95rem, 1.7vw, 1.06rem);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .mail-card {
  position: relative;
  padding: clamp(20px, 3.4vw, 30px);
  padding-left: clamp(24px, 3.8vw, 34px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, rgba(11, 42, 68, 0.92), rgba(6, 26, 43, 0.62));
  overflow: hidden;
}

.page-contact .mail-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--coral), var(--warm-coral));
}

.page-contact .mail-card::after {
  content: "";
  position: absolute;
  right: -46px;
  top: -46px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(57, 245, 208, 0.22), transparent 68%);
  pointer-events: none;
}

.page-contact .mail-label {
  margin: 0 0 14px;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-contact .mail-address {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.5vw, 1.7rem);
  line-height: 1.35;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 3px solid var(--coral);
  padding-bottom: 5px;
  word-break: break-all;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .mail-address:hover,
.page-contact .mail-address:focus-visible {
  color: var(--aqua);
  border-color: var(--aqua);
}

.page-contact .mail-note {
  margin: 16px 0 0;
  max-width: 40ch;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .mail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- coordinate panel ---------- */
.page-contact .coord-panel {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
  background: rgba(7, 16, 24, 0.5);
}

.page-contact .coord-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .coord-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .coord {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .coord:first-child {
  border-top: 0;
}

.page-contact .coord-idx {
  padding-top: 2px;
  font-size: 0.76rem;
  color: var(--coral);
}

.page-contact .coord-key {
  margin: 0 0 4px;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-contact .coord-val {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .coord-link {
  display: inline-block;
  font-family: var(--font-mono);
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 245, 208, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .coord-link:hover,
.page-contact .coord-link:focus-visible {
  color: #ffffff;
  border-color: var(--coral);
}

.page-contact .coord-foot {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-line-strong);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- coast band ---------- */
.page-contact .coast-band {
  padding: 0 0 clamp(36px, 6vw, 72px);
  background: var(--deep-sea);
}

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

.page-contact .coast-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-l);
  border: 1px solid var(--pc-line);
}

.page-contact .coast-figure figcaption {
  margin-top: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

/* ---------- routing ---------- */
.page-contact .routing {
  position: relative;
  padding: clamp(40px, 7vw, 80px) 0;
  background: var(--paper);
  color: var(--ink);
  overflow: hidden;
}

.page-contact .routing::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(16, 59, 92, 0.08) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(0deg, rgba(16, 59, 92, 0.08) 0 1px, transparent 1px 80px);
  pointer-events: none;
}

.page-contact .routing > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .routing-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .routing-media figure {
  margin: 0;
}

.page-contact .routing-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-light);
}

.page-contact .routing-media figcaption {
  margin-top: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--pc-ink-soft);
}

.page-contact .routing-sub {
  margin: 0;
  max-width: 46ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}

.page-contact .route-list {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .route-item a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 15px 16px;
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--bay-blue);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.66);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .route-item a:hover,
.page-contact .route-item a:focus-visible {
  transform: translateX(4px);
  border-left-color: var(--coral);
  background: #ffffff;
}

.page-contact .route-idx {
  margin-top: 2px;
  padding: 3px 6px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--deep-sea);
  background: var(--salt);
  border-radius: 3px;
}

.page-contact .route-text {
  display: block;
}

.page-contact .route-text strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .route-text span {
  display: block;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--pc-ink-soft);
}

.page-contact .route-go {
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--coral);
}

/* ---------- mailer ---------- */
.page-contact .mailer {
  position: relative;
  padding: clamp(40px, 7vw, 80px) 0;
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(255, 107, 74, 0.14), transparent 62%),
    linear-gradient(170deg, var(--night-blue), var(--deep-sea));
  overflow: hidden;
}

.page-contact .mailer h2,
.page-contact .mailer h3 {
  color: var(--paper);
}

.page-contact .mailer-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .mailer-sub {
  margin: 0;
  max-width: 44ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .mailer-intro h3 {
  margin-top: clamp(24px, 4vw, 34px);
  font-size: 1.05rem;
}

.page-contact .reply-steps {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .reply-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .step-idx {
  font-size: 0.76rem;
  color: var(--signal);
  padding-top: 2px;
}

.page-contact .step-text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .step-text strong {
  color: var(--paper);
  font-weight: 700;
}

.page-contact .template-box {
  align-self: start;
  padding: 0 clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
  background: rgba(7, 16, 24, 0.55);
}

.page-contact .template-box summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--aqua);
}

.page-contact .template-box summary::-webkit-details-marker {
  display: none;
}

.page-contact .template-box summary::after {
  content: "+";
  font-size: 1.15rem;
  line-height: 1;
  color: var(--coral);
}

.page-contact .template-box[open] summary::after {
  content: "–";
}

.page-contact .mail-template {
  margin: 0 0 16px;
  padding: 16px;
  background: rgba(6, 26, 43, 0.85);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius-s);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.95;
  color: var(--text-on-dark);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-contact .template-note {
  margin: 0 0 16px;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- site info ---------- */
.page-contact .site-info {
  position: relative;
  padding: clamp(40px, 7vw, 80px) 0 clamp(48px, 8vw, 88px);
  background: var(--paper);
  color: var(--ink);
  overflow: hidden;
}

.page-contact .site-info::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(16, 59, 92, 0.09) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(16, 59, 92, 0.09) 0 1px, transparent 1px 64px);
  pointer-events: none;
}

.page-contact .site-info > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .info-sub {
  margin: 0;
  max-width: 46ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}

.page-contact .info-grid {
  display: grid;
  gap: 1px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-m);
  background: var(--line-light);
  overflow: hidden;
}

.page-contact .info-cell {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.62);
}

.page-contact .info-cell dt {
  margin: 0 0 6px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bay-blue);
}

.page-contact .info-cell dd {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.65;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .info-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .info-links a {
  padding: 8px 14px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--deep-sea);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line-light);
  border-radius: 999px;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .info-links a:hover,
.page-contact .info-links a:focus-visible {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--deep-sea);
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-contact .info-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: start;
  }

  .page-contact .routing-grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
  }

  .page-contact .routing-media img {
    transform: rotate(-1.2deg);
    box-shadow: 16px 16px 0 rgba(16, 59, 92, 0.12);
  }

  .page-contact .mailer-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

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

@media (min-width: 1100px) {
  .page-contact .coord-panel {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-item a,
  .page-contact .mail-address,
  .page-contact .coord-link,
  .page-contact .info-links a {
    transition-duration: 0.01ms;
  }

  .page-contact .route-item a:hover,
  .page-contact .route-item a:focus-visible {
    transform: none;
  }

  .page-contact .routing-media img {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>