.page-contact {
  --contact-line: rgba(255, 255, 255, 0.12);
  --contact-glow: rgba(255, 46, 108, 0.18);
  position: relative;
  padding-bottom: clamp(3rem, 8vw, 6rem);
  background:
    radial-gradient(circle at 88% 4%, rgba(155, 77, 202, 0.22), transparent 40%),
    radial-gradient(circle at 12% 92%, rgba(255, 46, 108, 0.1), transparent 32%),
    radial-gradient(rgba(255, 46, 108, 0.08) 1px, transparent 1.2px) 0 0 / 28px 28px;
}

.page-contact .page-header {
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.page-contact .page-header__index {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-primary);
  font-weight: 500;
}

.page-contact .page-header__index::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--color-primary);
}

.page-contact .page-header__title {
  margin-top: 1.25rem;
  font-family: var(--font-head);
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.page-contact__title-em {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin-top: 0.5rem;
  font-size: 0.56em;
  font-weight: 900;
  letter-spacing: 0.12em;
  background: linear-gradient(120deg, var(--color-primary), var(--color-secondary) 55%, var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-contact .page-header__description {
  max-width: 40rem;
  margin-top: 1.5rem;
  color: var(--color-text);
}

.page-contact .page-header__description a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 4px;
  transition: color 0.3s var(--ease), text-decoration-color 0.3s var(--ease);
}

.page-contact .page-header__description a:hover {
  color: var(--color-primary);
  text-decoration-color: var(--color-accent);
}

.page-contact__sec-head {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.page-contact__sec-head .section-index {
  color: var(--color-primary);
}

.page-contact__sec-head .section-title {
  margin-top: 0.625rem;
}

.page-contact__mailbox {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--contact-line);
  padding: clamp(1.75rem, 4vw, 3rem);
}

.page-contact__mailbox-main {
  min-width: 0;
}

.page-contact__mailbox-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  color: var(--color-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-contact__mailbox-kicker::before {
  content: "♠";
  color: var(--color-primary);
  font-size: 1.1em;
  letter-spacing: 0;
}

.page-contact__mailbox-link {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 5vw, 3.75rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 4px solid var(--color-accent);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), text-shadow 0.3s var(--ease);
}

.page-contact__mailbox-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-primary);
  text-shadow: 0 0 24px rgba(0, 240, 255, 0.35);
}

.page-contact__mailbox-desc {
  max-width: 30rem;
  margin: 1.25rem 0 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-contact__mailbox-seal {
  display: none;
  align-items: center;
  justify-content: center;
  padding-left: 2rem;
  border-left: 1px solid var(--contact-line);
}

.page-contact__seal-svg {
  width: clamp(96px, 10vw, 136px);
  height: auto;
}

.page-contact__channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}

.page-contact__channel-card {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--contact-line);
  padding: clamp(1.375rem, 3vw, 1.75rem);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact__channel-card:hover,
.page-contact__channel-card:focus-within {
  border-color: rgba(255, 46, 108, 0.65);
  box-shadow: 0 0 0 1px rgba(255, 46, 108, 0.2), 0 18px 36px -18px var(--contact-glow);
  transform: translateY(-3px);
}

.page-contact__channel-num {
  display: block;
  margin-bottom: 1.25rem;
  font-family: var(--font-head);
  font-size: 2.25rem;
  line-height: 1;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px rgba(155, 77, 202, 0.75);
  transition: -webkit-text-stroke-color 0.3s var(--ease);
}

.page-contact__channel-card:hover .page-contact__channel-num {
  -webkit-text-stroke-color: rgba(255, 46, 108, 0.9);
}

.page-contact__channel-title {
  margin: 0 0 0.875rem;
  font-family: var(--font-head);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
}

.page-contact__channel-value {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  line-height: 1.6;
  font-weight: 500;
  color: var(--color-text);
  word-break: break-word;
}

.page-contact__channel-note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-muted);
}

.page-contact__response {
  position: relative;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-top: clamp(2.5rem, 6vw, 4rem);
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
  background:
    linear-gradient(120deg, rgba(155, 77, 202, 0.16) 0%, rgba(255, 255, 255, 0.02) 52%, rgba(255, 46, 108, 0.08) 100%),
    rgba(18, 18, 20, 0.88);
  border-top: 1px solid var(--contact-line);
  border-bottom: 1px solid var(--contact-line);
}

.page-contact__response::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary) 45%, transparent 72%);
}

.page-contact__response-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-contact__response-figure {
  margin: 0;
}

.page-contact__response-img {
  display: block;
  width: 100%;
  max-width: 500px;
  height: auto;
  border: 1px solid var(--contact-line);
  background: var(--color-panel);
}

.page-contact__response-caption,
.page-contact__mood-caption {
  margin: 0.75rem 0 0;
  color: var(--color-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
}

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

.page-contact__response-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.125rem 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact__response-row:last-child {
  border-bottom: 0;
}

.page-contact__response-topic {
  color: var(--color-text);
  font-size: 0.9375rem;
}

.page-contact__response-speed {
  flex-shrink: 0;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.page-contact__response-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--contact-line);
}

.page-contact__response-stat {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
}

.page-contact__response-num {
  font-family: var(--font-head);
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(120deg, var(--color-accent), var(--color-primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-contact__response-unit {
  color: var(--color-muted);
  font-size: 0.875rem;
}

.page-contact__route {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact__route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact__route-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--glass-bg);
  border: 1px solid var(--contact-line);
  padding: clamp(1.5rem, 3vw, 2rem);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact__route-card:hover,
.page-contact__route-card:focus-within {
  border-color: rgba(0, 240, 255, 0.55);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
}

.page-contact__route-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--color-secondary);
}

.page-contact__route-tag::before {
  content: "◇";
  color: var(--color-primary);
}

.page-contact__route-title {
  margin: 0 0 0.875rem;
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-text);
}

.page-contact__route-text {
  flex-grow: 1;
  margin: 0 0 1.5rem;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-contact__route-card .btn {
  align-self: flex-start;
}

.page-contact__mood {
  margin: clamp(2rem, 5vw, 3.5rem) 0 0;
}

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

@media (min-width: 768px) {
  .page-contact__mailbox {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-contact__mailbox-seal {
    display: flex;
  }

  .page-contact__channels-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-contact__response-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact__route-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}