@media (max-width: 768px) {
  .opt-btn { min-height: 44px; padding: 12px 16px; }
  .step-btn { width: 44px; height: 44px; }
  aside.card-mi { position: sticky; top: 80px; max-height: calc(100vh - 100px); overflow-y: auto; }
}
[data-format-btn][aria-pressed="true"]::before,
[data-equip-btn][aria-pressed="true"]::before,
[data-serv-btn][aria-pressed="true"]::before {
  content: "✓";
  display: inline-block;
  width: 18px;
  height: 18px;
  line-height: 16px;
  text-align: center;
  border: 2px solid #0a7aff;
  border-radius: 4px;
  margin-right: 8px;
  color: #0a7aff;
  font-weight: bold;
  font-size: 14px;
}