@charset "utf-8";

@media only screen and (max-width:991px) {}
@media only screen and (max-width:767px) {}
@media only screen and (max-width:374px) {}


#mainSlide .ratio-box{
  position: relative;
  width: 100%;
  padding-top: 37.5%; /* 750 ÷ 2000 × 100 */
  overflow: hidden;
}

#mainSlide .ratio-box > *{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#mainSlide .ratio-box img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media only screen and (max-width:767px){

  #mainSlide .ratio-box{
    padding-top: 113.33%; /* 1360 ÷ 1200 × 100 */
  }

}