.visual {position: relative; width: 100%; height: 100vh; overflow: hidden;}
.visual .img-box {width: 100%; height: 100%;}
.visual .img-box img {width: 100%; height: 100%; object-fit: cover;}
.visual .txt-box {position: absolute; top: 50%; left: 0;transform: translateY(-50%); width: 100%; text-align: center; z-index: 3;}
.visual .txt-box p {font-size: 40px; font-weight: 300; line-height: 1.2; color: var(--wt);}
.visual .txt-box p b {font-weight: bold; font-size: 48px; color: var(--wt);}

/* sub_kv */
.sub_kv {position: relative; width: 100%; height: 406px;}
.sub_kv .img-box {width: 100%; height: 100%;}
.sub_kv .img-box img {width: 100%; height: 100%; object-fit: cover;}
.sub_kv .txt-box {position: absolute; top: 50%; left: 0; transform: translateY(-50%); width: 100%; text-align: center;}
.sub_kv .txt-box .tit {margin-bottom: 16px; font-size: 48px; font-weight: bold; line-height: 1; color: var(--wt);}
.sub_kv .txt-box .sub {font-size: 21px; font-weight: 500; line-height: 1; letter-spacing: 3.15px; color: var(--wt);}