#header{position:relative;z-index:99;}
@media screen and (max-height : 812px) {
.main .visual {
    height:60dvh;
}	
}
@media screen and (max-width: 900px) {
    .main .visual {
        height: 60dvh;
    }
    .bak_ico img{filter: brightness(0);}
    .main section .sub_tit{letter-spacing: normal;}
    .main .visual .visual_swiper .swiper_controler{display:none;}
}
@media screen and (max-width: 500px) {
    .main .visual {
        height: 50dvh;
    }
   .main{padding-bottom:0;}
}