.page-contact {
  --contact-ink: #20242C;
  --contact-muted: #5E6672;
  --contact-card: #FFFFFF;
  background: var(--paper-2);
  color: var(--contact-ink);
  min-height: calc(100vh - var(--header-h));
}

.page-contact a {
  color: var(--brand);
  text-decoration: none;
}

.page-contact a:hover {
  color: var(--brand-highlight);
  text-decoration: underline;
}

.page-contact .contact-shell {
  max-width: 1160px;
  margin: 0 auto;
  padding: 32px 20px 96px;
}

.page-contact .contact-breadcrumb {
  margin-bottom: 40px;
}

.page-contact .contact-hero {
  display: grid;
  gap: 32px;
  margin-bottom: 72px;
}

.page-contact .contact-kicker {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--contact-muted);
  margin: 0 0 12px;
}

.page-contact .contact-hero h1 {
  font-size: clamp(2rem, 7vw, 4rem);
  font-weight: 100;
  line-height: 1.06;
  letter-spacing: -0.04em;
  margin: 0 0 20px;
}

.page-contact .contact-hero h1 em {
  display: block;
  font-style: normal;
  font-weight: 800;
  color: var(--brand);
}

.page-contact .contact-lead {
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 30em;
  color: var(--contact-muted);
  margin: 0;
}

.page-contact .contact-lead a,
.page-contact .contact-lead a:hover {
  border-bottom: 1px solid currentColor;
  text-decoration: none;
  font-weight: 700;
  color: var(--brand);
}

.page-contact .contact-hero-figure {
  margin: 0;
  border: 2px solid var(--ink);
  background: var(--contact-card);
  box-shadow: 6px 6px 0 rgba(10, 11, 16, 0.18);
}

.page-contact .contact-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-hero-figure figcaption {
  padding: 10px 14px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--contact-muted);
  border-top: 2px solid var(--ink);
}

.page-contact .contact-section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 30px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}

.page-contact .contact-section-no {
  display: inline-block;
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
  padding: 6px 10px;
  color: var(--ink);
  background: var(--accent-gold);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(10, 11, 16, 0.55);
}

.page-contact .contact-section-head h2 {
  margin: 0;
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.page-contact .contact-section-head p {
  margin: 4px 0 0;
  font-size: 0.95rem;
  color: var(--contact-muted);
}

.page-contact .contact-channels {
  background: var(--ink);
  color: var(--text-primary);
  padding: 40px 24px;
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 rgba(10, 11, 16, 0.35);
  margin-bottom: 80px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.page-contact .contact-channels a {
  color: var(--text-primary);
}

.page-contact .contact-channels a:hover {
  color: var(--accent-gold);
  text-decoration: none;
}

.page-contact .channels-main {
  order: 1;
}

.page-contact .channels-sidebar {
  order: 2;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  margin-top: 8px;
}

.page-contact .channels-sidebar-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.page-contact .channels-sidebar-no {
  font-size: 5.4rem;
  font-weight: 100;
  line-height: 1;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.page-contact .channels-sidebar-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .channels-sidebar-list li {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.page-contact .channels-sidebar-list a {
  display: inline-block;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}

.page-contact .channels-sidebar-list a:hover {
  border-bottom-color: var(--accent-gold);
  color: var(--accent-gold);
}

.page-contact .channels-sidebar-note {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.page-contact .channels-main .contact-section-head {
  border-bottom-color: var(--line);
}

.page-contact .channels-main .contact-section-head h2 {
  color: var(--text-primary);
}

.page-contact .channels-main .contact-section-head p {
  color: var(--text-secondary);
}

.page-contact .rack-stack {
  display: grid;
  gap: 24px;
}

.page-contact .rack-unit {
  background: var(--panel);
  border: 2px solid var(--line);
  border-left-width: 8px;
  padding: 22px 20px;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.45);
  display: grid;
  gap: 16px;
}

.page-contact .unit-mail { border-left-color: var(--brand-highlight); }
.page-contact .unit-tel { border-left-color: var(--accent-gold); }
.page-contact .unit-post { border-left-color: var(--signal-red); }

.page-contact .rack-unit-body h3 {
  margin: 10px 0 6px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-contact .rack-unit-topline {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .rack-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 8px;
}

.page-contact .led-green { background: var(--brand-highlight); box-shadow: 0 0 8px var(--brand-highlight); }
.page-contact .led-gold { background: var(--accent-gold); box-shadow: 0 0 8px var(--accent-gold); }
.page-contact .led-red { background: var(--signal-red); box-shadow: 0 0 8px var(--signal-red); }

.page-contact .rack-tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.page-contact .rack-value {
  display: inline-block;
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.page-contact .rack-value-post {
  font-family: "SFMono-Regular", Consolas, "Noto Sans SC", monospace;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.page-contact .rack-desc {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 8px 0 0;
  max-width: 32em;
}

.page-contact .rack-unit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .rack-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  background: transparent;
  border: 2px solid var(--line);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
  line-height: 1;
}

.page-contact .rack-action:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: rgba(201, 162, 39, 0.06);
}

.page-contact .rack-action-go {
  background: var(--brand-highlight);
  border-color: var(--brand-highlight);
  color: var(--white);
}

.page-contact .rack-action-go:hover {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.page-contact .rack-post-note {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .rack-post-note::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--signal-red);
  border-radius: 50%;
}

.page-contact .contact-response {
  margin-bottom: 80px;
}

.page-contact .response-grid {
  display: grid;
  gap: 24px;
}

.page-contact .response-card {
  background: var(--contact-card);
  border: 2px solid var(--ink);
  box-shadow: 5px 5px 0 rgba(10, 11, 16, 0.15);
  display: grid;
  gap: 0;
  margin: 0;
}

.page-contact .response-img-wrap {
  border-bottom: 2px solid var(--ink);
}

.page-contact .response-img-wrap img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .response-card-body {
  padding: 0 20px 20px;
}

.page-contact .response-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--brand);
  background: rgba(11, 61, 46, 0.08);
  border: 1px solid var(--brand);
  padding: 4px 8px;
  margin-bottom: 10px;
}

.page-contact .response-card h3 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .response-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--contact-muted);
}

.page-contact .response-card-dark {
  background: var(--ink);
  color: var(--text-primary);
  border-color: var(--ink);
}

.page-contact .response-card-dark .response-card-body {
  padding-top: 20px;
}

.page-contact .response-card-dark .response-tag {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
  background: rgba(201, 162, 39, 0.1);
}

.page-contact .response-card-dark h3 {
  color: var(--text-primary);
}

.page-contact .response-card-dark p {
  color: var(--text-secondary);
}

.page-contact .response-tel-visual {
  background: var(--ink);
  border-bottom: 2px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 20px;
  gap: 4px;
}

.page-contact .response-tel-no {
  font-size: 3.6rem;
  font-weight: 100;
  letter-spacing: 0.02em;
  color: var(--accent-gold);
  line-height: 1;
}

.page-contact .response-tel-line {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.page-contact .contact-cooperation {
  margin-bottom: 80px;
}

.page-contact .coop-grid {
  display: grid;
  gap: 20px;
}

.page-contact .coop-card {
  border: 2px solid var(--ink);
  background: transparent;
  padding: 24px 22px;
  box-shadow: 4px 4px 0 rgba(10, 11, 16, 0.12);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .coop-card:hover {
  box-shadow: 6px 6px 0 rgba(10, 11, 16, 0.2);
  transform: translate(-2px, -2px);
}

.page-contact .coop-num {
  display: inline-block;
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
  padding: 6px 10px;
  color: var(--ink);
  background: var(--accent-gold);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(10, 11, 16, 0.18);
  margin-bottom: 14px;
}

.page-contact .coop-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--contact-muted);
}

.page-contact .contact-help {
  margin-bottom: 40px;
}

.page-contact .help-links {
  display: grid;
  gap: 16px;
}

.page-contact .help-link-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--contact-card);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 rgba(10, 11, 16, 0.15);
  color: var(--contact-ink);
  text-decoration: none;
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .help-link-card:hover {
  box-shadow: 5px 5px 0 rgba(10, 11, 16, 0.25);
  transform: translate(-2px, -2px);
  text-decoration: none;
  color: var(--brand);
}

.page-contact .help-link-index {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--brand);
  background: rgba(11, 61, 46, 0.08);
  border: 1px solid var(--brand);
  padding: 5px 8px;
  white-space: nowrap;
  flex: 0 0 auto;
}

.page-contact .help-link-title {
  flex: 1 1 auto;
  font-size: 1rem;
  font-weight: 600;
}

.page-contact .help-link-arrow {
  font-size: 1.4rem;
  color: var(--contact-muted);
  transition: color 0.2s var(--ease);
  flex: 0 0 auto;
}

.page-contact .help-link-card:hover .help-link-arrow {
  color: var(--brand);
}

.page-contact .help-footnote {
  margin: 24px 0 0;
  font-size: 0.9rem;
  color: var(--contact-muted);
  padding-left: 2px;
}

@media (min-width: 768px) {
  .page-contact .contact-shell {
    padding: 40px 32px 120px;
  }

  .page-contact .response-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact .help-links {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: center;
  }

  .page-contact .contact-channels {
    display: grid;
    grid-template-columns: 260px 1fr;
    align-items: start;
    gap: 48px;
    padding: 56px 48px;
  }

  .page-contact .channels-main {
    order: 0;
  }

  .page-contact .channels-sidebar {
    order: -1;
    border-top: 0;
    padding-top: 0;
    margin-top: 0;
    border-right: 1px solid var(--line);
    padding-right: 36px;
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-contact .rack-unit {
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 26px 28px;
  }

  .page-contact .rack-unit-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 160px;
    border-left: 1px solid var(--line);
    padding-left: 24px;
  }

  .page-contact .unit-tel {
    margin-left: 32px;
  }

  .page-contact .unit-post {
    margin-left: 64px;
  }
}