.flow-page { padding-top: 77px; }
.flow-page iframe { display: block; width: 100%; height: calc(100vh - 77px); border: 0; border-bottom: 1px solid var(--line); background: var(--bg); }
@media (max-width: 900px) {
  .flow-page { padding-top: 98px; }
  .flow-page iframe { height: calc(100dvh - 98px); }
}