confirm-modal.html

<div class="modal fade" id="confirm-modal" tabindex="-1" role="dialog">
    <div class="modal-dialog modal-dialog-centered" role="document">
      <div class="modal-content">
        <div class="modal-header bg-dark10">
            <h5 class="modal-title lang" lang="confirmation"></h5>
            <button type="button" class="close" data-dismiss="modal" aria-label="Close">
              <span aria-hidden="true">&times;</span>
            </button>
        </div>
        <div class="modal-body" id="msgModel">
        </div>
        <div class="modal-footer">
            <button type="button" class="btn btn-primary lang" lang="confirmYes">はい</button>
            <button type="button" class="btn btn-tertiary lang" lang="confirmNo" data-dismiss="modal"></button>
        </div>
      </div>
    </div>
  </div>