.page-contact {
  --contact-gap: 24px;
  --contact-radius-lg: 18px;
  --contact-radius-md: 12px;
  --contact-bg-deep: rgba(17, 26, 35, 0.96);
  --contact-bg-soft: rgba(26, 27, 47, 0.88);
  --contact-blue-glow: rgba(0, 229, 255, 0.06);

  position: relative;
  box-sizing: border-box;
  max-width: 100%;
  min-height: 100vh;
  padding: 24px 16px 64px;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-position: 0 0;
  background-size: 44px 44px;
  color: var(--body-text);
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact a {
  text-decoration: none;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  max-width: var(--container-max);
  margin: 0 auto 24px;
  font-size: 13px;
  color: var(--muted-text);
}

.page-contact .breadcrumb a {
  color: var(--accent-blue);
  transition: color 0.2s var(--ease-out);
}

.page-contact .breadcrumb a:hover {
  color: var(--accent-green);
}

.page-contact .breadcrumb-sep {
  color: var(--grid-line);
}

.page-contact .contact-hero {
  display: grid;
  gap: 18px;
  max-width: var(--container-max);
  margin: 0 auto 32px;
  padding: 24px;
  background: linear-gradient(145deg, var(--contact-bg-deep), var(--contact-bg-soft));
  border: 1px solid var(--grid-line);
  border-radius: var(--contact-radius-lg);
}

.page-contact .contact-hero__copy .section-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent-blue);
}

.page-contact .contact-hero h1 {
  margin: 0 0 12px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--body-text);
}

.page-contact .contact-hero__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted-text);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .contact-layout {
  display: grid;
  gap: var(--contact-gap);
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-contact .contact-layout__main {
  display: grid;
  gap: var(--contact-gap);
  min-width: 0;
}

.page-contact .contact-hero-figure {
  margin: 0;
  overflow: hidden;
  background: var(--secondary-bg);
  border: 1px solid var(--grid-line);
  border-radius: var(--contact-radius-lg);
}

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

.page-contact .contact-hero-figure figcaption,
.page-contact .contact-map figcaption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted-text);
  background: rgba(26, 27, 47, 0.6);
  border-top: 1px solid var(--grid-line);
}

.page-contact .contact-map {
  margin: 18px 0 0;
  overflow: hidden;
  background: var(--secondary-bg);
  border: 1px solid var(--grid-line);
  border-radius: var(--contact-radius-md);
}

.page-contact .contact-address {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-style: normal;
  line-height: 1.6;
  color: var(--accent-blue);
}

.page-contact .contact-card {
  position: relative;
  min-width: 0;
  padding: 24px 20px;
  overflow: hidden;
  background: linear-gradient(145deg, var(--contact-bg-deep), var(--contact-bg-soft));
  border: 1px solid var(--grid-line);
  border-radius: var(--contact-radius-lg);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
  opacity: 0.7;
}

.page-contact .contact-card__no {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--grid-line);
}

.page-contact .contact-card h2 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--body-text);
}

.page-contact .contact-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-text);
}

.page-contact .contact-channel-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.page-contact .contact-channel-list div {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 8px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px dashed var(--grid-line);
}

.page-contact .contact-channel-list dt {
  font-size: 13px;
  color: var(--muted-text);
}

.page-contact .contact-channel-list dd {
  min-width: 0;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  word-break: break-all;
  color: var(--body-text);
}

.page-contact .contact-coop-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-coop-list li {
  padding: 10px 12px;
  text-align: center;
  font-size: 13px;
  line-height: 1.4;
  color: var(--body-text);
  background: var(--contact-blue-glow);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-pill);
}

.page-contact .contact-scenarios {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.page-contact .contact-scenario {
  padding: 14px;
  background: var(--contact-blue-glow);
  border-left: 3px solid var(--accent-blue);
  border-radius: var(--radius-md);
}

.page-contact .contact-scenario h3 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--body-text);
}

.page-contact .contact-scenario p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-text);
}

.page-contact .contact-card--composer {
  align-self: start;
}

.page-contact .composer-body {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-contact .composer-row {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  background: rgba(17, 26, 35, 0.55);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius-md);
}

.page-contact .composer-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted-text);
}

.page-contact .composer-value {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
  color: var(--body-text);
}

.page-contact .contact-copy-note {
  margin-top: 14px;
  padding-left: 10px;
  border-left: 2px solid var(--highlight-yellow);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted-text);
}

.page-contact .contact-guide {
  max-width: var(--container-max);
  margin: 32px auto 0;
  padding: 20px 16px;
  text-align: center;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-text);
  border: 1px dashed var(--grid-line);
  border-radius: var(--contact-radius-lg);
}

.page-contact .contact-guide a {
  color: var(--highlight-yellow);
  border-bottom: 1px solid rgba(255, 209, 102, 0.4);
  transition: border-color 0.2s var(--ease-out);
}

.page-contact .contact-guide a:hover {
  border-color: var(--highlight-yellow);
}

@media (min-width: 768px) {
  .page-contact {
    padding: 32px 28px 80px;
    background-size: 52px 52px;
  }

  .page-contact .breadcrumb {
    font-size: 14px;
  }

  .page-contact .contact-hero {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 32px;
  }

  .page-contact .contact-hero h1 {
    font-size: 34px;
  }

  .page-contact .contact-hero__lead {
    max-width: 64ch;
  }

  .page-contact .contact-card {
    padding: 30px 28px;
  }

  .page-contact .contact-card__no {
    font-size: 14px;
  }

  .page-contact .contact-card h2 {
    font-size: 22px;
  }

  .page-contact .contact-channel-list div {
    grid-template-columns: 90px 1fr;
  }

  .page-contact .contact-channel-list dd {
    font-size: 15px;
  }

  .page-contact .contact-coop-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-scenarios {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .composer-row {
    padding: 12px 14px;
  }
}

@media (min-width: 1024px) {
  .page-contact {
    padding: 40px 32px 88px;
  }

  .page-contact .breadcrumb {
    margin-bottom: 32px;
  }

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

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .contact-card--composer {
    position: sticky;
    top: 100px;
  }

  .page-contact .contact-hero-figure figcaption,
  .page-contact .contact-map figcaption {
    padding: 12px 16px;
    font-size: 13px;
  }
}