/* Content CSS */
.sub_visual {position: relative; width:100%; height:250px;overflow:hidden; background: 50% / cover no-repeat; display: flex; align-items: flex-start; justify-content: center; z-index: 2; padding-top: 190px;}
.sub_visual .bg {border-radius: 20px; position:absolute;left: 50%; top: 0; transform: translateX(-50%); width: calc(100% - 40px); height:100%; max-height: 250px; background-position:center center;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;z-index:0;-webkit-transition:all .5s ease;-moz-transition:all .5s ease;-o-transition:all .5s ease;transition:all .5s ease; z-index: -1;}

/* bg */
.sub_visual .bg {background-image:url('../img/sub_1.jpg');}
.sub_visual.sub3 .bg {background-image:url('../img/sub_3.jpg');}
.sub_visual.sub4 .bg {background-image:url('../img/sub_4.jpg');}
.sub_visual.sub6 .bg {background-image:url('../img/sub_6.jpg');}
.sub_visual.sub8 .bg {background-image:url('../img/sub_8.jpg');}