/* Keep the original diagram on wide screens; readable steps on phones. */
.flow-scroll { overflow: visible; max-width: 100%; }
.flow-scroll img { width: 100%; min-width: 0; height: auto; }
.flow-mobile { display: none; }
@media (max-width: 720px) {
  .flow-scroll img { display: none; }
  .source-content .flow-mobile {
    display: flex;
    flex-direction: column;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .source-content .flow-mobile li {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    margin: 0;
    padding: 14px 18px;
    border: 1px solid #527ff0;
    border-radius: 10px;
    background: #e8eefc;
    color: var(--ink);
    font-size: 14px;
    line-height: 1.7;
    text-align: center;
  }
  .flow-mobile li:not(:last-child)::after {
    content: "↓";
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 28px;
    line-height: 28px;
    font-size: 22px;
    color: #7181a2;
  }
}