/*Content CSS*/
#about1{overflow: hidden;}
#about1 br:not(.space){display: none;}
section > article{padding: 50px 0;}
section > article:nth-child(even){background-color: #f7f7f7;}
.sub_inner{width: 100%; max-width: 1400px; padding: 0 20px; margin: 0 auto;}

.fs_50{font-size: 30px; font-weight: 700; line-height: 1.2; color: #000; text-align: center; margin-bottom: 30px;}
.fs_45{font-size: 30px; font-weight: 700; line-height: 1.3; color: #000;}
.fs_17{font-size: 15px; font-weight: 300; line-height: 1.7; color: #1d1d1f;}

.txt_box {border:1px solid #ddd; text-align: center; border-radius: 10px ; padding: 20px; margin-bottom: 30px; }
.video_wr {width: 100%; overflow: hidden; padding-bottom: 0; }
.video_wr > div {width: 100%; position: relative; height:0; padding-bottom: 56.25%;}
.video_wr > div iframe {position: absolute; left: 0; top: 0; width: 100%; height: 100%;}