:root {
  --bg-color: #f8f8f8;
}

body.contact {
  background-color: var(--bg-color);
}

.contact-page {
  background-color: var(--bg-color);
}

.contact-section {
  padding: 24px 20px 72px;
}

.contact-card {
  max-width: 900px;
  margin: 0 auto;
  padding: 22px 18px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(6px);
}

.contact-note {
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.8;
  opacity: 0.9;
}

.contact-form-frame {
  width: 100%;
  border: 0;
}

.contact-form-frame iframe {
  width: 100%;
  max-width: 900px;
  height: clamp(900px, 120vh, 1500px);
  border: 0;
  display: block;
}

.contact-fallback {
  margin: 14px 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
}

.contact-fallback a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 640px) {
  .contact-section {
    padding: 18px 14px 56px;
  }
  .contact-card {
    padding: 18px 14px 14px;
    border-radius: 12px;
  }
  .contact-form-frame iframe {
    height: clamp(980px, 140vh, 1700px);
  }
}