/* common */
#c4_wrap .c_inner {width: 100%; max-width: 1500px; padding: 0 50px; margin: 0 auto; }

/* font size */
#c4_wrap .fs_75 {font-size: 75px; font-weight:700; line-height: 1.1; font-family: 'Play', sans-serif; font-style: italic; }
#c4_wrap .fs_36 {font-size: 36px; font-weight :700; line-height: 1.2; font-family: 'Play', sans-serif; }
#c4_wrap .fs_30 {font-size: 30px; font-weight:700; line-height: 1.3; font-family: 'Play', sans-serif;}
#c4_wrap .fs_24 {font-size: 24px; font-weight:400; line-height: 1.5; font-family: 'Play', sans-serif;}
#c4_wrap .fs_22 {font-size: 22px; font-weight:300; line-height: 1.55;}
#c4_wrap .fs_20 {font-size: 20px; font-weight:600; line-height: 1.5;}
#c4_wrap .fs_18 {font-size: 18px; font-weight: 300; line-height: 1.67; }

/* c_btn */
#c4_wrap .c_btn a { background-color: #000; font-size: 14px; font-weight: 400; color: #fff; display: flex; justify-content:center; align-items: center; width: 220px; height: 50px;transition: all .3s; border-radius: 24.5px; text-transform: uppercase; }
#c4_wrap .c_btn a i { width:12px; height: 12px; background:url("../img/c_btn_arrow.png") 50%/contain no-repeat; transition: background-image .3s;
display: inline-block; margin-left: 23px; }
#c4_wrap .c_btn a:hover {background-color: #1d95cd;  }

/*Content CSS*/
#c4_wrap {padding: 130px 0 130px; position: relative; z-index: 1; overflow: hidden;  overflow: hidden; background:url("../img/c4_bg.jpg") 50%/cover no-repeat; }
#c4_wrap .c_tit h2 {color:#fff;}

#c4_wrap .flex_box {display: flex; align-items: center;justify-content: space-between; text-align: left;}
#c4_wrap .flex_box > div {width: calc(50% - 50px);}

#c4_wrap .flex_box .img { display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 30px; background-color: #fff; height: 550px; }
#c4_wrap .flex_box .img > img {transition: transform .3s; }
#c4_wrap .flex_box .img:hover > img {transform: scale(1.1);}
#c4_wrap .flex_box .txt p {color:#fff; line-height: 1.55; font-weight: 300; letter-spacing: -.22px; margin: 30px 0 45px; white-space: nowrap;}

#c4_wrap .video_wrap {width: 100%; height: 0; position: relative; z-index:1; padding-bottom: 32.15%; background-color: #000; }
@media screen and (min-width:769px) {
    #c4_wrap .video_wrap video {position: absolute; max-width: 100%;left:50%; top:50%; transform: translate(-50%, -50%); }
}

#c4_wrap .down_btn a {display: flex; align-items: center; justify-content: center; align-items: center; border-radius: 35px; background: #2b313c; padding: 18px 30px;
font-weight: 700; letter-spacing: -.3px; color:#fff; transition: background-color .3s; cursor: pointer; }
#c4_wrap .down_btn a:hover {background-color:#1d95cd; }
#c4_wrap .down_btn {margin-top: 60px;}
#c4_wrap .down_btn + .down_btn {margin-top: 15px;}


@media screen and (max-width:1400px) {
    /* common */
    #c4_wrap br {display: none;}

    /*Content CSS*/
    #c4_wrap .fs_22 {font-size:20px; }
    #c4_wrap .flex_box > div {width: calc(50% - 20px);}
    #c4_wrap .flex_box .img {padding: 30px; height: auto; }
    #c4_wrap .flex_box .txt p {white-space: normal; }

}

@media screen and (max-width: 1024px) {
    /* common */
    #c4_wrap {padding: 70px 0; text-align: center; }
    #c4_wrap .c_inner {padding: 0 30px;}
    #c4_wrap .c_tit h3 {font-size: 20px;  }
    /* font size */
    #c4_wrap .fs_75 {font-size: 40px;}
    #c4_wrap .fs_36 {font-size: 28px;}
    #c4_wrap .fs_30 {font-size: 25px;}
    #c4_wrap .fs_24 {font-size: 20px;}
    #c4_wrap .fs_22 {font-size: 18px; }
    #c4_wrap .fs_20 {font-size: 17px; }
    #c4_wrap .fs_18 {font-size: 15px; }

    #c4_wrap .c_btn a {width: 100%; font-size: 13px; height: 40px; }
    #c4_wrap .c_btn a i {margin-left: 15px;}


    /*Content CSS*/
    #c4_wrap .flex_box > div {width: calc(50% - 15px); }
    #c4_wrap .flex_box .txt p {font-size: 15px; margin: 20px 0 30px; }

    #c4_wrap .down_btn {margin-top: 40px ;}
    #c4_wrap .down_btn a {font-size: 18px; padding: 15px 20px; }


}

@media screen and (max-width: 768px) {
    #c4_wrap .flex_box {display: block; text-align: center;}
    #c4_wrap .flex_box > div {width: 100%; }
    #c4_wrap .flex_box .txt {margin-top:30px;}
    #c4_wrap .flex_box .video_wrap {padding:10px; height: auto; }
    #c4_wrap .flex_box .video_wrap video {max-width: 100%;}

    #c4_wrap .down_btn {margin-top: 30px ;  }
}

@media screen and (max-width: 640px) {
    /* common */
    #c4_wrap {padding:50px 0; }
    #c4_wrap .c_inner {padding: 0 20px;}
    #c4_wrap .c_tit h3 {margin-bottom: 10px; font-size: 16px;}
    /* font size */
    #c4_wrap .fs_75 {font-size: 35px;}
    #c4_wrap .fs_36 {font-size: 25px;}
    #c4_wrap .fs_30 {font-size: 22px;}
    #c4_wrap .fs_24 {font-size: 17px;}
    #c4_wrap .fs_22 {font-size: 16px; }
    #c4_wrap .fs_20 {font-size: 16px; }
    #c4_wrap .fs_18 {font-size: 14px; }


    /*Content CSS*/
    #c4_wrap .flex_box .img {border-radius: 20px; padding: 20px; }
    #c4_wrap .flex_box .txt p {font-size: 13px; margin: 15px 0 20px;}

    #c4_wrap .down_btn {margin-top: 20px ;  }
    #c4_wrap .down_btn a {font-size: 15px; padding: 10px 20px ;}
    #c4_wrap .down_btn + .down_btn {margin-top: 10px;}

}