/* common */
#c4_wrap { width:100%; padding: 60px 0; background:url('../img/c4_bg.jpg?v=250812') no-repeat center / cover; line-height: 1; overflow: hidden; text-align: center;}
#c4_wrap .c_tit { line-height: 1; }
#c4_wrap .c_tit h2 { font-size: 13px; font-weight: bold; letter-spacing: 1.6px; color: #fff; text-transform: uppercase; }
#c4_wrap .c_tit h1 { font-size: 30px; font-weight: bold; margin-top: 20px; color: #fff; }

#c4_wrap .video_wr {width: 100%; overflow: hidden; padding: 15px;  border:3px solid #fff; border-radius:30px 0 30px 0; margin-top: 40px;}
#c4_wrap .video_wr > div {width: 100%; position: relative; height:0; padding-bottom: 56.25%; border-radius:25px 0 25px 0;  overflow: hidden;}
#c4_wrap .video_wr > div iframe {position: absolute; left: 0; top: 0; width: 100%; height: 100%;}