/* banner */
#banner { z-index: 3; }
#banner:after {position: absolute;left: 0;width: 100%;padding-top: 25vw;top: auto;bottom: 0px;z-index: 10;content: "";}
##banner .item img { height: 85vh; }
#banner .item iframe { position: absolute; width: 100%; height: 100%; top: 0; left: 0; }
#banner .item video { overflow: hidden; position: absolute; width: 100%; height: auto; top: 50%; left: 50%;  }
#banner .item .info >div {margin: auto;width: 75%;display: none;}
#banner .item .info >div .txt { -webkit-transition-delay: .2s; transition-delay: .2s; }
#banner .item .info >div .txt:nth-child(2) { -webkit-transition-delay: .4s; transition-delay: .4s; }
#banner .item .info >div >* { padding: 10px 15px; max-width: calc(100% - 30px); font-size: 18px; }
#banner .item .info >div h3 { margin-bottom: 15px; line-height: 120%; font-size: 35px; }

.webBox #banner .item .img_box{
	    position: relative;
	    background: no-repeat 50% / cover;
}
@media screen and (min-width: 1281px){
.webBox #banner .item .img_box{
	    margin: 20px;
}
}
@media screen and (max-width: 1280px){
	#banner .item img { height: 75vw; }
}
@media screen and (max-width: 640px){
	#banner:before { padding-top: 0; height: 100px; background-position: 50%; background-size: auto 100px; }
	#banner .item img {height: 24vh;}
}