.sub-visual-box{margin:120px 0 0;background:url(/_res/ajou/ace/img/main/img-main-vi01.jpg) no-repeat 50% 50%/cover;position:relative;}
.sub-visual-box:after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);}
.sub-visual-txt-box{display:block;margin:0 auto;max-width:1200px;}
.sub-visual-txt-box h2{padding:100px 0;font-weight:600;font-size:44px;color:#fff;line-height:48px;text-align:center;position:relative;z-index:1;}

@media screen and (max-width:1024px){
	.sub-visual-box{margin:70px 0 0;}
}

@media screen and (max-width:768px) {
	.sub-visual-txt-box h2{padding:50px 0;font-size:28px;line-height:32px;}
}