body.airplane-alert-layout {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--airplane-alert-bg);
  color: var(--tool-dark-text);
  font-family: Inter, 'Noto Sans TC', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.airplane-alert-main {
  flex: 1;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 5vw, 4rem);
  background: var(--airplane-alert-bg);
}

.airplane-alert-heading {
  max-width: 960px;
  margin: 0 auto 1.5rem;
}

.airplane-alert-heading h1 {
  font-size: clamp(2rem, 3vw + 1rem, 3rem);
  margin: 0 0 0.75rem;
  color: var(--airplane-alert-heading);
}

.airplane-alert-heading p {
  margin: 0;
  color: var(--airplane-alert-paragraph);
  line-height: 1.6;
}

.airplane-alert-app-shell {
  max-width: 960px;
  margin: 0 auto;
}

html.is-embedded #header-placeholder,
html.is-embedded .airplane-alert-heading,
html.is-embedded #footer-placeholder {
  display: none;
}

html.is-embedded .airplane-alert-main {
  padding: 0;
  background: transparent;
}

html.is-embedded body.airplane-alert-layout {
  background-color: transparent;
}