.iroha_loading {
  display: block;
  position: fixed;
  width: 100%;
  height:100%;
  top: 0px;
  left: 0px;
  margin:0;
  padding:0;
  -webkit-transition-property: opacity;
  -moz-transition-property: opacity;
  -ms-transition-property: opacity;
  -o-transition-property: opacity;
  -webkit-transition-duration:1s;
  -moz-transition-duration:1s;
  -ms-transition-duration:1s;
  -o-transition-duration:1s;
  transition-duration:1s;
  background-color: #f2efef;
  z-index: 999999;
}

.iroha_loading.hide {
  opacity: 0;
}

.iroha_loading .loading_img_pc {
  display: block;
  vertical-align: middle;
  width: 73px;
  height: 83px;
  position: absolute;
  top: 50%;
  left:50%;
  margin-left: -36.5px;
  margin-top: -41.5px;
}

.iroha_loading .loading_img_sp {
  display: block;
  vertical-align: middle;
  width: 90px;
  height: 102px;
  position: absolute;
  top: 50%;
  left:50%;
  margin-left: -45px;
  margin-top: -51px;
}

@media screen and (max-width: 639px) {
  .iroha_loading .loading_img_pc {
    display: none;
  }

  .iroha_loading .loading_img_sp {

  }
}

@media screen and (min-width: 640px) {
  .iroha_loading .loading_img_pc {

  }

  .iroha_loading .loading_img_sp {
    display: none;
  }
}