/* 左端タッチエリア（透明） */
#leftEdgeTouchArea {
  position: fixed;
  top:0;
  left:0;
  width:30px;
  height:100%;
  z-index:9999;
  background-color:transparent;
}

/* カスタムモーダル */
.popup {
  display:none;
  position:fixed;
  top:50%;
  left:50%;
  transform:translate(-50%, -50%);
  background-color:#fff;
  padding:20px;
  box-shadow:0 0 10px rgba(0,0,0,0.1);
  z-index:10000;
  border-radius:10px;
}
.popup ul {
  list-style:none;
  padding:0;
  display:flex;
  justify-content:space-around;
}
.popup ul li {
  margin:0 5px;
}
.popup ul li button {
  padding:10px 20px;
  border:none;
  background-color:#0073aa;
  color:#fff;
  cursor:pointer;
  border-radius:5px;
}
.popup ul li button:hover {
  background-color:#005f8a;
}
.popup .close-btn {
  position: absolute;
  top: 5px;
  right: 5px;
  font-size: 18px;
  border: none;
  background: transparent;
  cursor: pointer;
}