/* sub_visual */
.sub_visual {position:relative; max-width:1850px; height:536px; margin:0 auto; border-radius:20px; z-index:10;}
.sub_visual .visual_img {position:absolute; inset:0; overflow:hidden; border-radius:20px;}

/* bg */
.sub_visual .bg {position:absolute; top:0; left:0; width:100%; height:100%; background:center center/cover no-repeat; transition:.5s;}
.sub_visual.sub1 .bg {background-image:url('../img/sub_visual01.jpg');}
.sub_visual.sub2 .bg {background-image:url('../img/sub_visual02.jpg');}
.sub_visual.sub3 .bg {background-image:url('../img/sub_visual03.jpg');}
.sub_visual.sub4 .bg {background-image:url('../img/sub_visual04.jpg');}
.sub_visual:hover .bg {transform:scale(1.05);}

/* title_page */
.sub_visual .title_page {position:absolute; top:50%; left:50%; width:100%; z-index:2; text-align:center; transform:translate(-50%,-50%);}
.sub_visual .title_page .eng {display:block; margin-bottom:18px; font-size:19px; font-weight:700; letter-spacing:.38px; color:rgba(255,255,255,.5);}
.sub_visual h3 {margin:0; font-size:80px; font-weight:700; line-height:1; letter-spacing:-1.6px; color:#fff;}
.sub_visual h3::before {display:none;}