/*Content CSS*/
#about1{margin-top: 50px; overflow: hidden;}
#about1 > article{}
#about1 > article:nth-child(1){padding: 120px 0;}
#about1 > article:nth-child(3){padding: 80px 0;}
#about1 > article:nth-child(4){padding: 80px 0 150px;}


#about1 .sub_inner{width: 100%; max-width: 1500px; padding: 0 50px; margin: 0 auto; position: relative;}
#about1 br.mob{display: none;}

/* font-style */
.fs_70{font-size: 70px; line-height: 1; font-family: 'SUIT';}
.fs_35{font-size: 35px; line-height: 1.5; font-family: 'SUIT';}
.fs_30{font-size: 30px; line-height: 1.5; }
.fs_25{font-size: 25px; line-height: 1.2; }
.fs_23{font-size: 23px; line-height: 1;}
.fs_21{font-size: 21px; line-height: 1;}
.fs_20{font-size: 20px; line-height: 40px; color: #333;}
.fs_18{font-size: 18px;  color: #333;}
.fs_16{font-size: 16px; line-height: 1; color: #333;}
.fs_15{font-size: 15px; line-height: 1; color: #333;}
.fs_14{font-size: 14px; line-height: 1; color: #333;}
/* bar_wrap */
.bar_wrap h4{position: relative; padding-left: 13px; font-weight: 700; margin-bottom: 30px; font-family: 'Pretendard'}
.bar_wrap h4::before{content: ''; display: block; width: 4px; height: 90%; position: absolute; top: 2.5px; left: 0; background-color: #001a85;}
.bar_wrap p + p{margin-top: 48px;}
.bar_wrap + .bar_wrap{margin-top: 60px;}

.bar{position: relative; font-weight: 800; font-family: 'Pretendard'; text-align: center;}
.bar::before{content: ''; display: block; width: 45px; height: 4px; background-color: #001a85; margin: 0 auto 15px;}


/* table_wrap */
.table_wrap{}
.table_wrap table{border-collapse: collapse; width: 100%; text-align: center;}
.table_wrap table thead th{background-color: #fffdf8; border: solid 1px rgba(255,255,255,.3); font-weight: 600; padding: 12.5px 10px; color: #fff;}
.table_wrap table tbody td{background-color: #fff; border: solid 1px #ddd; padding: 12.5px 10px; font-weight: 300; height: 41px;}
.table_wrap table tfoot td{background-color: #e6e6e6; border: solid 1px #ddd;  padding: 12.5px 10px;  font-weight: 300; color: #000; }
.table_wrap table.tb1 th{background-color: #000033;}
.table_wrap table.tb2 th{background-color: #333333;}

/* bor_box */
.bor_box{border-top: solid 4px #000033; background-color: #fff; padding: 55px 48px; position: relative;}
.bor_box::before{content: ''; display: block; width: 155px; height: 162px; position: absolute; bottom: 0; right: 0; background: url('../img/ab2_icon1.png') 50% / cover no-repeat;}
.bor_box h6{border-bottom: solid 1px #ddd; padding-bottom: 30px; margin-bottom: 30px; font-weight: 800; line-height: 1;}
.bor_box p{}
.bor_box p + p{margin-top: 12px;}
.bor_box p span{display: inline-block; width: 81px; height: 28px; line-height: 28px; text-align: center; background-color: #333; border-radius: 14px; margin-right: 11px; font-size: 14px; color: #fff; }



/* his_box */
.his_box{padding-top: 65px; margin-top: 53px; border-top: solid 3px #000; }
.his_box ul{position: relative;}
.his_box ul::before{content: ''; display: block; width: 3px; height: calc(100% - 30px); background-color: #ddd; position: absolute; top: 15px; left: 221.5px; }

.his_box li{display: flex;}
.his_box li .major{opacity: 0; width: 174px; height: 44px; line-height: 44px; border-radius: 5px; margin-right: 35px; text-align: center; font-size: 21px; font-weight: 800; color: #fff; font-family: 'SUIT'; flex-shrink: 0;}
.his_box li.new .major{opacity: 1;}

.his_box li.new:not(:first-child){margin-top: 65px;}
.his_box li + li{margin-top: 36.5px;}

.his_box li i{display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0; position: relative; top: 8px; z-index: 2;}
.his_box li i::before{content: ''; display: block; width:93px; height: 2px;  position: absolute; top: 50%; right: -93px; transform: translateY(-50%); z-index: 1;}
.his_box li:not(.new) i::after{content: ''; display: block; width: 16px; height: 16px; border-radius: 50%; }
.his_box li.new i::before{width: 158px; z-index: 0;}
.his_box li.new i::after{content: ''; display: block; width: 9px; height: 16px; background: url('../img/ab2_arrow.png') 50% / cover no-repeat; position: relative; left: -1.5px;}


.his_box li .year{font-size: 30px; font-weight: 700; font-family: 'Poppins'; min-width: 75px; position: relative; margin-right: 25px;flex-shrink: 0; margin-left: 110px;}
.his_box li .year::after{content: ''; display: block; width: 4px; height: 22px; position: absolute; top: 13px; right: -25px;}

.his_box li p{font-size: 20px; line-height: 1.7; color: #333; position: relative; top: 5px; margin-left: 17px;}

.his_box li.red{}
.his_box li.red .major{background-color: #ee6907;}
.his_box li.red i{background-color: #ffddc4;}
.his_box li.red.new i{background-color: #ee6907;}
.his_box li.red:not(.new) i::after{background-color: #ee6907;}
.his_box li.red i::before{background-color: #ee6907;}

.his_box li.red .year{color: #ee6907;}
.his_box li.red .year::after{background-color: #ee6907;}

.his_box li.blue{}
.his_box li.blue .major{background-color: #001a85;}
.his_box li.blue i{background-color: #cfd6f0;}
.his_box li.blue.new i{background-color: #001a85;}
.his_box li.blue:not(.new) i::after{background-color: #001a85;}
.his_box li.blue i::before{background-color: #001a85;}

.his_box li.blue .year{color: #001a85;}
.his_box li.blue .year::after{background-color: #001a85;}

.his_box li.black{}
.his_box li.black .major{background-color: #000;}
.his_box li.black i{background-color: #e3e3e3;}
.his_box li.black.new i{background-color: #000;}
.his_box li.black:not(.new) i::after{background-color: #000;}
.his_box li.black i::before{background-color: #000;}

.his_box li.black .year{color: #000;}
.his_box li.black .year::after{background-color: #000;}

.his_box li.red + li.red{margin-top: 0;}
.his_box li.blue + li.blue{margin-top: 0;}
.his_box li.black + li.black{margin-top: 0;}

.his_box li.red + li.red i{opacity: 0;}
.his_box li.blue + li.blue i{opacity: 0;}
.his_box li.black + li.black i{opacity: 0;}

.his_mob{display: none;}

/* sec1 */
.sec1{background: linear-gradient(to left, #000033, #001670); position: relative;}
.sec1::before{content: ''; display: block; width: 636px; height: 100%; background: url('../img/ab1_bg.png') 50% / cover no-repeat; position: absolute; top: 0; right: 145px;}
.sec1 .txt p + p{margin-top: 25px;}

.sec1 .txt p{color: #fff;}
.sec1 .txt p b{font-weight: 800;}
.sec1 .txt .fs_70{font-weight: 900;}
.sec1 .txt .fs_35{font-weight: 300;}

/* sec2 */
.sec2{}
.sec2 .box1{padding: 75px 0 65px;}
.sec2 .box1 .fs_35{font-weight: 800; color: #000033; display: flex; align-items: center; margin-bottom: 6px;}
.sec2 .box1 .fs_30{font-weight: 700;}
.sec2 .box1 .fs_35::after{content: ''; display: block; height: 1px; background-color: #ddd; flex-grow: 1; margin-left: 60px;}
.sec2 .box1 .sub_inner::after{content: ''; display: block; position: absolute; z-index: 1; width: 137px; height: 101px; background: url('../img/ab1_quo.png') 50% / cover no-repeat; bottom: -115px; right: 50px;}


.sec2 .box2{position: relative; padding: 94px 0 100px;}
.sec2 .box2::before{content: ''; display: block; width: 100%; height: 100%; position: absolute; top: 0; left: 0; background: #f7f7f7;}

.sec2 .bot{padding-top: 35px; margin-top: 105px; border-top: solid 1px #ddd; text-align: right; position: relative; }
.sec2 .bot::before{content: ''; display: block; width: 15%; max-width: 206px; height: 3px; background-color: #001a85; position: absolute; top: -1.5px; right: 0;}
.sec2 .bot.fs_23{font-weight: 700;}

.sec3{position: relative;}
.sec3::before{content: ''; display: block; position: absolute; width: 100%; height: 60%; max-height: 313px; bottom: 0; left: 0; background-color: #f7f7f7}
.sec3 .img{margin-top: 50px; text-align: center;}

@media screen and (min-width:1025px){
    .sec3 .img{margin-top: 80px;}
}


@media screen and (max-width:1600px){
    #about1 br:not(.space){display: none;}
    #about1 > article:nth-child(1){padding: 80px 0;}
    #about1 > article:nth-child(3){padding: 80px 0;}
    #about1 > article:nth-child(4){padding: 80px 0;}

    .sec1::before{right: 0; background-position: left; width: 500px;}

    .sec2 .box2{position: relative; padding: 80px 0;}
    .sec2 .bot{margin-top: 80px;}
}



@media screen and (max-width:1400px){
    /* font-style */
    .fs_70{font-size: 65px;}
    .fs_35{font-size: 33px;}
    .fs_30{font-size: 28px;}
    .fs_25{font-size: 24px;}
    .fs_23{font-size: 21px;}
    .fs_21{font-size: 19px; }
    .fs_20{font-size: 18px; line-height: 1.7;}
    .fs_18{font-size: 17px;}
    .fs_16{font-size: 15px;}
    .fs_15{font-size: 14px;}


    /* bar_wrap */
    .bar_wrap h4{padding-left: 12px; margin-bottom: 25px;}
    .bar_wrap h4::before{height: 85%; top: 2.5px; }
    .bar_wrap p + p{margin-top: 30px;}
    .bar_wrap + .bar_wrap{margin-top: 50px;}

    /* his_box */
    .his_box ul::before{left: 208.5px;}
    .his_box li .year{font-size: 28px; min-width: 70px; margin-right: 20px; margin-left: 90px;}
    .his_box li .year::after{right: -20px; top: 10px}
    .his_box li p{font-size: 18px;}
    .his_box li i::before{right: -75px; width: 75px;}
    .his_box li.new:not(:first-child){margin-top: 55px;}
    .his_box li + li{margin-top: 30px;}

    .his_box li .major{font-size: 19px; width: 160px; height: 40px; line-height: 40px;}

    .bor_box{padding: 30px ;}
    .bor_box h6{padding-bottom: 20px; margin-bottom: 20px;}

    .sec1 .logo img{width: 350px;}

    .sec2 .bot{margin-top: 70px;}
    .sec2 .box1 .fs_35::after{margin-left: 50px;}


}

@media screen and (max-width:1280px){
    /* font-style */
    .fs_70{font-size: 60px;}
    .fs_35{font-size: 31px;}
    .fs_30{font-size: 26px;}

    /* bar_wrap */
    .bar_wrap h4{margin-bottom: 20px;}


    .his_box{padding-top: 40px; margin-top: 40px;}
    .bor_box{padding: 20px;}


    #about1 > article:nth-child(1){padding: 60px 0;}
    .sec1 .txt p + p{margin-top: 15px;}
    .sec2 .box1 .sub_inner::after{width: 120px; height: 88px; bottom: -120px;}
    .sec2 .box1 .fs_35::after{margin-left: 40px;}

}


@media screen and (max-width:1024px){
    #about1 .sub_inner{padding: 0 30px;}
    #about1 > article:nth-child(1){padding: 50px 0;}
    #about1 > article:nth-child(3){padding: 50px 0;}
    #about1 > article:nth-child(4){padding: 50px 0;}


    /* font-style */
    .fs_70{font-size: 48px;}
    .fs_35{font-size: 29px;}
    .fs_30{font-size: 25px;}
    .fs_25{font-size: 23px;}
    .fs_23{font-size: 20px;}
    .fs_21{font-size: 18px; }
    .fs_20{font-size: 17px; }
    .fs_18{font-size: 16px;}
    .fs_16{font-size: 14px;}
    .fs_14{font-size: 13px;}

    /* bar_wrap */
    .bar_wrap h4{padding-left: 10px;}
    .bar_wrap h4::before{top: 2px; height: 80%; max-height: 22px;}
    .bar_wrap p + p{margin-top: 25px;}
    .bar_wrap + .bar_wrap{margin-top: 40px;}

    .bar::before{width: 40px; margin-bottom: 15px;}

    /* sec1 */
    .sec1::before{height: 50%;}

    /* his_box */
    .his_box{padding-top: 30px; margin-top: 30px;}
    .his_box ul::before{left: 11px;}
    .his_box li .major{display: none;}
    .his_box li i{width: 25px; height: 25px;}
    .his_box li i::before{display: none;}
    .his_box li.new i::after{transform: rotateY(180deg); left: 0; width: 7px; height: 12px;}
    .his_box li:not(.new) i::after{width: 12px; height: 12px;}
    .his_box li .year{margin: 0 20px; font-size: 25px; min-width: 62px; }
    .his_box li .year::after{right: -15px; top: 8px; height: 20px;}
    .his_box li p{font-size: 17px; top: 4px; margin-left: 10px;}

    .his_box li.new:not(:first-child){margin-top: 30px;}

    .his_mob{display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px;}
    .his_mob span{width: calc(33.3% - 7px); height: 45px; line-height: 45px; color: #fff; font-weight: 800; text-align: center; border-radius: 5px;}
    .his_mob span:nth-child(1){background-color: #000}
    .his_mob span:nth-child(2){background-color: #001a85}
    .his_mob span:nth-child(3){background-color: #ee6907}

    .bor_box::before{width: 120px; height: 125px;}

    .sec1::before{width: 40%;}
    .sec1 .logo{text-align: center;}
    .sec1 .logo img{ width: 300px;}
    .sec1 .txt{text-align: center;}
    .sec1 .txt p + p{margin-top: 12px;}


    .sec2 .box1{padding: 50px 0;}
    .sec2 .box1 .sub_inner::after{width: 80px; height: 59px; bottom: 30px;; right: 30px;}
    .sec2 .box1 .fs_35::after{margin: 0 100px 0 20px;}

    .sec2 .box2{padding: 50px 0 70px;}
    .sec2 .bot{margin-top: 50px;}

    /* sec3 */
    .sec3::before{height: 50%;}



}
@media screen and (max-width:768px){
    .sec2 .box1{text-align: center;}
    .sec2 .box1 .sub_inner::after{display: none;}
    .sec2 .box1 .fs_35{display: block;}
    .sec2 .box1 .fs_35::after{display: none;}


}
@media screen and (max-width:640px){
    #about1 .sub_inner{padding: 0 20px;}
    #about1 br.mob{display: block;}

    .fs_70{font-size: 40px;}
    .fs_35{font-size: 25px;}
    .fs_30{font-size: 22px;}
    .fs_25{font-size: 20px;}
    .fs_23{font-size: 19px;}
    .fs_21{font-size: 17px; }
    .fs_20{font-size: 16px; }
    .fs_18{font-size: 15px;}

    /* bar_wrap */
    .bar_wrap h4{padding-left: 9px; margin-bottom: 15px; line-height: 1.5;}
    .bar_wrap h4::before{width: 3px; top: 5px; max-height: 20px;}
    .bar_wrap p + p{margin-top: 15px;}

    .his_box li{flex-wrap: wrap;}
    .his_box li p{margin-left: 0; width: 100%; margin-top: 0; padding-left: 35px; font-size: 16px; top: 0;}
    .his_box li .year::after{display: none;}
    .his_box li .year{margin: 0 0 0 10px; font-size: 22px;}

    .his_box li + li{margin-top: 15px !important}

    .sec1 .logo img{width: 230px;}
    .sec2 .box1{padding: 30px 0;}
    .sec2 .box1 .fs_35{margin-bottom: 5px;}
    .sec2 .box1 .fs_30{line-height: 1.4;}

    .sec2 .box2{padding: 50px 0;}
    .sec2 .bot{line-height: 1.5;}
}

@media screen and (max-width:480px){
    .his_mob{flex-wrap: wrap;}
    .his_mob span{width: 100%;}
    .his_mob span + span{margin-top: 7px;}

}