/* common */
#c4_wrap { width:100%; height: 100vh; background:url('../img/c4_bg.jpg?v=250812') no-repeat center / cover; line-height: 1; overflow: hidden; display: flex; align-items: center;justify-content: center;}
#c4_wrap .c_tit { line-height: 1; text-align: left; }
#c4_wrap .c_tit h2 { font-size: 16px; font-weight: bold; letter-spacing: 1.6px; color: #fff; text-transform: uppercase; }
#c4_wrap .c_tit h1 { font-size: 50px; font-weight: bold; margin-top: 20px; color: #fff; }

#c4_wrap .video_wr {width: 100%; overflow: hidden; padding: 15px; height: 650px; border:3px solid #fff; border-radius:70px 0 70px 0; margin-top: 45px;}
/* #c4_wrap .video_wr > div {width: 100%; position: relative; height: 650px;} */
#c4_wrap .video_wr > div {width: 100%; position: relative; height:0; padding-bottom: 56.25%; border-radius:65px 0 65px 0;  overflow: hidden;}
#c4_wrap .video_wr > div iframe {position: absolute; left: 0; top: 0; width: 100%; height: 100%;}