/* common */
.subpage { overflow: hidden; position:relative; text-align: left; }
.subpage > section {padding: 90px 0; position: relative; }
.subpage > section:nth-of-type(even) {background: #f7f7f7;}
.sub_inner { padding: 0 50px; margin: 0 auto; max-width: 1400px; width: 100%; }

.line_tit {text-align: left; position: relative;  padding-left: 15px;  }
.line_tit::before {content: ''; display: block; width: 4px; height: 60%; background-color: #1b1b7f; position: absolute; left: 0; top:20%; }

/* font size */
.fs_55 {font-size: 55px; font-weight :600; line-height: 1.2; color:#000; }
.fs_37 {font-size: 37px; font-weight :700; line-height: 1.2; color:#000; }
.fs_34 {font-size: 34px; font-weight:500; line-height: 1.32;  color:#000;  }
.fs_32 {font-size: 32px; font-weight:700; line-height: 1.57;  color:#000;  }
.fs_30 {font-size: 30px; font-weight:700; line-height: 1.57;  color:#000;  }
.fs_26 {font-size: 26px; font-weight:700; line-height: 1.57;  color:#000;  }
.fs_23 {font-size: 23px; font-weight:700; line-height: 1.61; color:#000; letter-spacing: -.46px;}
.fs_22 {font-size: 22px; font-weight:600; line-height: 1.4; color:#000;  }
.fs_21 {font-size: 21px; font-weight:700; line-height: 1.4; color:#000;  }
.fs_20 {font-size: 20px; font-weight:300; line-height: 1.67; color:#000;  }
.fs_19 {font-size: 19px; font-weight: 400; color: #333; line-height: 1.67; letter-spacing: -.36px; }
.fs_18 {font-size: 18px; font-weight: 400; color: #333; line-height: 1.83; letter-spacing: -.36px; }
.fs_17 {font-size: 17px; font-weight: 400; color: #333; line-height: 1.72; letter-spacing: -.36px; }
.fs_16 {font-size: 16px; font-weight: 400; color: #444; line-height: 1.72; letter-spacing: -.36px; }
.fs_15 {font-size: 15px; font-weight: 400; color: #666; line-height: 1.72; letter-spacing: -.36px; }

/*Content CSS*/
.line_tit {margin-bottom: 30px;}

.img_box {display: flex ;align-items: center; justify-content: center; border: 1px solid #ddd; height: 300px; width: 100%; }

#sec1 .list {display: flex; justify-content: space-between; text-align: center; margin-top: 70px;}
#sec1 .list > li {width: calc(100% / 3); border:1px solid #ddd; border-width: 0 1px;  padding: 20px 40px; }



#sec1 .list .txt h3 {font-weight: 700; color:#000; line-height: 1.61; letter-spacing: -.46px; margin-bottom: 25px; min-height: 125px;}
#sec1 .list .txt h3::before {content: ''; display: block; width: 30px; height: 3px; background-color: #000; margin: 40px auto 10px;}

#sec1 .list i { display: flex; align-items: center; justify-content: center;  height: 71px;  }
#sec1 .list i img {transition: transform .5s; }
#sec1 .list li:hover i img {transform: rotateY(180deg);}




@media screen and (max-width:1400px) {
    /* common */
    .subpage br:not(.space) {display: none;}

    /* content */
    .img_box {height: auto; padding: 80px;}

}

@media screen and (max-width:1199px) {
    #sec1 .list > li {padding: 20px 30px;}

}


@media screen and (max-width: 1024px) {
    /* common */
    .subpage {text-align: center;}
    .subpage > section {padding: 70px 0; }
    .sub_inner {padding:0 30px;}

    /* font size */
    .fs_55 {font-size:40px; }
    .fs_37 {font-size:30px; }
    .fs_34 {font-size: 27px;}
    .fs_32 {font-size: 26px;}
    .fs_30 {font-size: 25px;}
    .fs_26 {font-size: 21px;}
    .fs_23 {font-size: 19px;}
    .fs_22 {font-size: 19px;}
    .fs_21 {font-size: 18px; line-height: 1.4;}
    .fs_20 {font-size: 17px; line-height: 1.65;}
    .fs_19 {font-size: 17px; line-height: 1.65;}
    .fs_18 {font-size: 16px; line-height: 1.65;}
    .fs_17 {font-size: 15px; line-height: 1.65;}
    .fs_16 {font-size: 14px; line-height: 1.65;}
    .fs_15 {font-size: 13px; line-height: 1.65;}

    /* content */
    .img_box { padding:50px 30px;}
    .img_box img {max-height: 80px;}

    #sec1 .list {flex-direction: column; align-items: center; margin-top: 40px;}
    #sec1 .list > li {width: 100%; border-width: 1px 0; padding: 30px; border-top: 0;}
    #sec1 .list .txt h3 {min-height: 0; margin-bottom:15px;}
    /* #sec1 .list > li:nth-child(n+2) {margin-top:30px;} */

}

@media screen and (max-width: 640px) {
    /* common */
    .subpage > section {padding: 50px 0;}
    .sub_inner {padding:0 20px;}
    .sub_tit {margin-bottom: 20px; }

    /* font size */
    .fs_55 {font-size:32px; }
    .fs_37 {font-size:22px; }
    .fs_34 {font-size: 21px;}
    .fs_32 {font-size: 20px;}
    .fs_30 {font-size: 20px;}
    .fs_26 {font-size: 18px;}
    .fs_23 {font-size: 17px;}
    .fs_22 {font-size: 17px;}
    .fs_21 {font-size: 16px;}
    .fs_20 {font-size: 15px;}
    .fs_19 {font-size: 15px;}
    .fs_18 {font-size: 14px;}
    .fs_17 {font-size: 14px;}
    .fs_16 {font-size: 13px;}
    .fs_15 {font-size: 12px;}

    /* content */
    .line_tit {margin-bottom: 20px;}

    .img_box { padding:30px 20px;}

    #sec1 .list { margin-top: 20px;}
    #sec1 .list i {height: auto; }
    #sec1 .list i img {max-height: 55px; }

    #sec1 .list .txt h3::before {  margin: 25px auto 15px;}


}
