<h2 class="accordion-header">
  <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#flush-board"
    aria-expanded="true" aria-controls="flush-board"><b><?= icon('FOLDER') ?>게시판관리 </b>
  </button>
</h2>
<div id="flush-board" class="accordion-collapse collapse" aria-labelledby="flush-board">
  <div class="accordion-item">
    <a href="/admin/board?category=<?= BOARD['CATEGORY']['NOTICE'] ?>"><?= icon('SERVICE_ITEM_LINE') ?>공지사항</a>
  </div>
  <div class="accordion-item">
    <a href="/admin/board?category=<?= BOARD['CATEGORY']['REQUESTTASK'] ?>"><?= icon('SERVICE_ITEM_SERVER') ?>요청업무</a>
  </div>
</div>