.mobile-install-dialog {
  width: min(28rem, calc(100vw - 2rem));
  max-height: calc(100dvh - 2rem);
  box-sizing: border-box;
  overflow-y: auto;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
}
.mobile-install-dialog::backdrop { background: rgb(0 0 0 / 60%); }
.mobile-install-dialog h2 { margin-top: 0; }
.mobile-install-dialog ol { padding-left: 1.4rem; }
.mobile-install-dialog li { margin-block: .75rem; line-height: 1.5; }
.mobile-install-dialog button { min-height: 44px; width: 100%; }