.contact-notice {
  position: fixed;
  z-index: 100;
  inset: auto 0 max(18px, env(safe-area-inset-bottom));
  width: fit-content;
  max-width: calc(100% - 32px);
  margin-inline: auto;
  padding: 12px 18px;
  border: 1px solid #b8c9bf55;
  border-radius: 12px;
  background: #19221eef;
  color: #f1f6f3;
  box-shadow: 0 8px 24px #0004;
  font-size: .95rem;
  line-height: 1.45;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}

.contact-notice.is-visible {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .contact-notice { transition: none; }
}