/* コメント */
@media screen and (max-width:3000px){

section {
  height: 0;padding-top:calc(100%/3);
  position: relative;
  overflow: hidden;
  background-size: cover;
  background: rgba(0,0,0,0.0);
  .content{
    position: relative;
    display:block;
    color: #FFFFFF;
    top: 50%;
    left: 50%;
    text-align:center;
    transform: translate(-50%, -50%);
    /*text-shadow: 0px 0px 5px rgba(0, 0, 0, 1);*/
    h1{}
    h3{}
  }
}

.background_trade01 {
  display:block;
  position: fixed;
  width: 100%;
  height: 0;padding-top:calc(100%/3);
  top: 0;
  left: 0;
  background: url('../img/index27_L.jpg') center center no-repeat;
  background-size: 100%;
  -moz-transition: 0.1s;-o-transition: 0.1s;-webkit-transition: 0.1s;transition: 0.1s;
  z-index: -2;
}

}

@media screen and (max-width:768px){

section {
  height: 0;padding-top:100%;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background: rgba(0,0,0,0.0);
  .content{
    position: relative;
    display:block;
    color: #FFFFFF;
    top: 50%;
    left: 50%;
    text-align:center;
    transform: translate(-50%, -50%);
    /*text-shadow: 0px 0px 5px rgba(0, 0, 0, 1);*/
    h1{}
    h3{}
  }
}

.background_trade01 {
  display:block;
  position: fixed;
  width: 100%;
  height: 0;padding-top:100%;
  top: 0;
  left: 0;
  background: url('../img/index27_s.jpg') center center no-repeat;
  background-size: 100%;
  -moz-transition: 0.1s;-o-transition: 0.1s;-webkit-transition: 0.1s;transition: 0.1s;
  z-index: -2;
}

}