.startup-screen {
  box-sizing: border-box;
  max-width: 42rem;
  margin: 8vh auto;
  padding: max(1.5rem, env(safe-area-inset-top)) max(1.5rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom)) max(1.5rem, env(safe-area-inset-left));
  color: #24362e;
  background: #f7f8f6;
  border: 1px solid #dce3dc;
  border-radius: 1rem;
  font: 1rem/1.6 system-ui, sans-serif;
  overflow-wrap: anywhere;
}
.startup-screen h1 { font-size: 1.4rem; }
.startup-screen h2 { font-size: 1.25rem; line-height: 1.4; }