.fly_thum1{
  background-image : url(../img_flyer/thum/omote1.jpg);
  background-repeat : no-repeat;
  background-position : center center;
  width : 350px;
  height : 495px;
  border-width : 1px;
  border-style : solid;
  border-color : #d9d9d9;
}
.fly_thum2{
  background-image : url(../img_flyer/thum/ura1.jpg);
  background-repeat : no-repeat;
  background-position : center center;
  width : 350px;
  height : 495px;
  border-width : 1px;
  border-style : solid;
  border-color : #d9d9d9;
}
.fly_vis1{
  background-image : url(../img_flyer/omote1.jpg);
  background-repeat : no-repeat;
  background-position : center center;
  /*  width : 500px;
  height : 708px;
  */
  min-height:90vh;
  background-size: contain;
}
.fly_vis2{
  background-image : url(../img_flyer/ura1.jpg);
  background-repeat : no-repeat;
  background-position : center center;
  /*  width : 500px;
  height : 708px;
  */
  min-height:90vh;
  background-size: contain;
}