/* --------------------------------------------
モーダル表示 */
.modal {
  display: none;
}
.modal-show {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999999;
}
.modal-background {
  position: absolute;top :0;
  z-index: -1;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, .6);
}