.page-contact {
  overflow-x: clip;
  background: var(--ink-900);
  color: var(--ice);
}

.page-contact .breadcrumb {
  padding-block: 18px;
}

.page-contact .contact-hero {
  position: relative;
  display: grid;
  gap: 32px;
  padding: clamp(20px, 4vw, 48px) 0 clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--grid);
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.12;
}

.page-contact .contact-hero__copy {
  max-width: 760px;
}

.page-contact .contact-title {
  margin: 0 0 20px;
  color: var(--ice);
  font-size: clamp(2.25rem, 5.4vw, 4.35rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: 0.04em;
  text-wrap: balance;
}

.page-contact .contact-hero .lede {
  max-width: 46ch;
  margin: 0;
  color: var(--mist);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.8;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .hero-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  color: var(--mist);
  font-size: 0.8125rem;
  line-height: 1.7;
}

.page-contact .service-console {
  position: relative;
  align-self: start;
  padding: 22px;
  border: 1px solid var(--grid);
  background: linear-gradient(180deg, var(--ink-800), #08182b);
}

.page-contact .service-console::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 36px;
  height: 36px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
}

.page-contact .service-console__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--grid);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.page-contact .console-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-contact .console-list > div {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--grid);
}

.page-contact .console-list > div:last-child {
  border-bottom: 0;
}

.page-contact .console-list dt {
  color: var(--mist);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.page-contact .console-list dd {
  margin: 0;
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.page-contact .console-foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--grid);
  color: var(--mist);
  font-size: 0.75rem;
  line-height: 1.7;
}

.page-contact .section {
  padding-block: clamp(48px, 7vw, 88px);
}

.page-contact .section-head {
  display: grid;
  gap: 10px;
  max-width: 68ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .section-head h2 {
  margin: 0;
  color: var(--ice);
  font-size: clamp(1.75rem, 3.2vw, 2.8rem);
  line-height: 1.16;
  letter-spacing: 0.03em;
}

.page-contact .section-head p {
  margin: 0;
  color: var(--mist);
  font-size: 0.975rem;
  line-height: 1.8;
}

.page-contact .feedback-layout {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-contact .switch-hint {
  margin: 0 0 4px;
  color: var(--mist);
  font-size: 0.8125rem;
  line-height: 1.7;
}

.page-contact .feedback-switch {
  border-top: 1px solid var(--grid);
}

.page-contact .feedback-item {
  border-bottom: 1px solid var(--grid);
  background: rgba(11, 31, 56, 0.35);
}

.page-contact .feedback-item summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 16px;
  color: var(--ice);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .feedback-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .feedback-item summary::after {
  content: "+";
  flex: none;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
}

.page-contact .feedback-item[open] summary::after {
  content: "−";
}

.page-contact .feedback-item summary:hover {
  background: rgba(53, 240, 207, 0.06);
  color: var(--cyan);
}

.page-contact .feedback-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .feedback-item[open] summary {
  color: var(--cyan);
  background: rgba(53, 240, 207, 0.04);
}

.page-contact .feedback-body {
  padding: 0 16px 20px;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-contact .feedback-body p {
  margin: 0 0 10px;
}

.page-contact .feedback-body p:last-child {
  margin-bottom: 0;
}

.page-contact .feedback-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .feedback-figure,
.page-contact .cooperation-figure {
  margin: 0;
}

.page-contact .feedback-figure .media-frame,
.page-contact .cooperation-figure .media-frame {
  border: 1px solid var(--grid);
}

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

.page-contact .media-caption {
  margin-top: 10px;
  color: var(--mist);
  font-size: 0.75rem;
  line-height: 1.7;
}

.page-contact .cooperation {
  border-block: 1px solid var(--grid);
}

.page-contact .cooperation .section-head p {
  color: rgba(234, 246, 255, 0.74);
}

.page-contact .cooperation-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--grid);
  background: var(--grid);
}

.page-contact .cooperation-card {
  position: relative;
  padding: 24px;
  background: rgba(6, 19, 36, 0.55);
  border-top: 2px solid transparent;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .cooperation-card:hover {
  background: rgba(6, 19, 36, 0.78);
  border-top-color: var(--cyan);
}

.page-contact .cooperation-card__index {
  display: block;
  margin-bottom: 14px;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
}

.page-contact .cooperation-card h3 {
  margin: 0 0 10px;
  color: var(--ice);
  font-size: 1.2rem;
  letter-spacing: 0.04em;
}

.page-contact .cooperation-card p {
  margin: 0 0 16px;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.8;
}

.page-contact .cooperation-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .cooperation-card li {
  position: relative;
  padding-left: 16px;
  color: rgba(234, 246, 255, 0.84);
  font-size: 0.8125rem;
  line-height: 1.65;
}

.page-contact .cooperation-card li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--cyan-dim);
}

.page-contact .cooperation-figure {
  margin-top: 32px;
}

.page-contact .reach {
  border-bottom: 1px solid var(--grid);
}

.page-contact .reach-grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-contact .contact-card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--grid);
  background: var(--ink-900);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 32px;
  height: 32px;
  border-top: 2px solid var(--amber);
  border-right: 2px solid var(--amber);
}

.page-contact .contact-row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--grid);
}

.page-contact .contact-row__label {
  color: var(--mist);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.page-contact .contact-row__value {
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.7vw, 1.15rem);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.page-contact .copy-hint {
  display: inline-block;
  color: var(--cyan);
  font-size: 0.75rem;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .contact-row:hover .copy-hint {
  opacity: 1;
  transform: none;
}

.page-contact .contact-row__note {
  color: var(--mist);
  font-size: 0.8125rem;
  line-height: 1.7;
}

.page-contact .contact-note {
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--amber);
  color: var(--mist);
  font-size: 0.8125rem;
  line-height: 1.75;
}

.page-contact .reply-timeline {
  padding: 4px 0;
}

.page-contact .reply-timeline > h3 {
  margin: 0 0 18px;
  color: var(--ice);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.page-contact .reply-timeline ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .timeline-step {
  position: relative;
  margin-left: 4px;
  padding: 0 0 24px 28px;
  border-left: 1px solid var(--grid);
}

.page-contact .timeline-step:last-child {
  padding-bottom: 0;
}

.page-contact .timeline-step::before {
  content: "";
  position: absolute;
  top: 4px;
  left: -5px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 240, 207, 0.08);
}

.page-contact .timeline-step h3 {
  margin: 0 0 6px;
  color: var(--ice);
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.page-contact .timeline-step p {
  margin: 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.75;
}

.page-contact .preparation {
  border-top: 1px solid var(--grid);
}

.page-contact .preparation-grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

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

.page-contact .checklist li {
  position: relative;
  padding: 13px 14px 13px 36px;
  border: 1px solid var(--grid);
  background: rgba(11, 31, 56, 0.4);
  color: rgba(234, 246, 255, 0.88);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 14px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
}

.page-contact .checklist strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ice);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

.page-contact .legal-links {
  display: grid;
  gap: 10px;
  padding-left: 18px;
  border-left: 2px solid var(--cyan);
}

.page-contact .legal-links p {
  margin: 0 0 4px;
  color: var(--mist);
  font-size: 0.875rem;
  line-height: 1.8;
}

.page-contact .legal-links a {
  color: var(--ice);
  font-size: 0.875rem;
  line-height: 1.65;
  text-decoration: none;
  border-bottom: 1px solid var(--grid);
  padding-bottom: 6px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .legal-links a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .legal-links a:focus-visible,
.page-contact .feedback-body a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 720px) {
  .page-contact .contact-hero {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-contact .feedback-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 36px;
  }

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

  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
  }

  .page-contact .preparation-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 40px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
    gap: clamp(40px, 6vw, 88px);
  }

  .page-contact .service-console {
    padding: 28px;
  }

  .page-contact .contact-card {
    padding: 32px;
  }

  .page-contact .feedback-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .feedback-item summary,
  .page-contact .cooperation-card,
  .page-contact .copy-hint,
  .page-contact .legal-links a {
    transition: none;
  }
}