/* content css */
#about {width:100%;overflow:hidden;position:relative;  margin: 0 auto;}
#about::before {content: ""; position: absolute; left: 50%; top: 0; width: calc(100% - 35px); height: 1286px; background-color: #002446; transform: translateX(-50%); border-radius: 20px;}
#about > article:nth-child(1) {padding:130px 0 0;}
#about > article:nth-child(2) {padding: 143px 0 0;}
#about > article:nth-child(3) {padding: 100px 0 0;}
#about > article:nth-child(4) {padding: 140px 0 100px;}
#about .sub_inner {width:100%; max-width:1600px; padding:0 50px; margin:0 auto;}

/* font_size */
.fs_60 {font-size: 60px; font-weight: 800; line-height: 1; letter-spacing: -1.2px; color: #fff; font-family: "Google Sans Flex", sans-serif;}
.fs_50 {font-size: 50px; font-weight: 800; line-height: 1.07; letter-spacing: -1px;}
.fs_45 {font-size: 45px; font-weight: 900; line-height: 1.11; color: #fff; font-family:'SUIT', sans-serif;}
.fs_39 {font-size: 39px; font-weight: 800; line-height: 1.37; letter-spacing: -0.78px;}
.fs_35 {font-size: 35px; font-weight: 200; line-height: 1.43; letter-spacing: 0.7px; color: #fff;}
.fs_30 {font-size: 30px; font-weight: 800; line-height: 1.1; letter-spacing: 0.6px; color: #fff;}
.fs_27 {font-size: 27px; font-weight: 800; line-height: 1; color: rgba(0, 0, 0, 0.21); font-family:'SUIT', sans-serif;}
.fs_25 {font-size: 25px; font-weight: 600; line-height: 1.84; color: #222;}
.fs_22 {font-size: 22px; font-weight: 500; line-height: 1.59; letter-spacing: 0.44px; color: #222;}
.fs_21 {font-size: 21px; font-weight: 700; letter-spacing: 0.42px; color: rgba(255, 255, 255, 0.8);}
.fs_20 {font-size: 20px; font-weight: 400; line-height: 1.85; letter-spacing: 0.4px; color: rgba(255, 255, 255, 0.8);}
.fs_19 {font-size: 19px; font-weight: 500; line-height: 1.58; letter-spacing: 0.38px; color: rgba(255, 255, 255, 0.7);}
.fs_17 {font-size: 17px; font-weight: 500; color: #fff;}

/* sec1 */
/* company_box */
#about .sec1 .company_head {position:relative; padding-top:85px;}
#about .sec1 .company_head:after {content:""; position:absolute; top:35px; right: 0; width:908px; height:1px; background:rgba(255,255,255,.5);}

#about .sec1 .company_logo {position:absolute; left:0; top:0;}
#about .sec1 .company_logo img {display:block; width:100%;}

#about .sec1 .company_en {position:absolute; right:0; top:70px;}
#about .sec1 .company_en img {display:block; width:100%;}

#about .sec1 .company_title {margin: 71px auto 75px; display: flex; gap: 28px;}
#about .sec1 .company_title span {display:inline-flex; padding:3px 13px; min-width: 108px; height: 40px; border:1px solid #fff; border-radius:20px; display: flex; justify-content: center; align-items: center; margin-top: 5px;}
#about .sec1 .company_title strong {font-weight: 700;}
#about .sec1 .company_title .txt_wrap p:nth-child(1) {margin-bottom: 40px;}

/* offer_area */
#about .sec1 .offer_area {position:relative;height:706px; width: calc(100% + 288px); top: 0; transform: translateX(-50%); left: 50%; border-radius:20px;overflow:hidden;}
#about .sec1 .offer_area:before {content: ''; display: block; width: 100%; height: 100%; position: absolute; top: 0; left: 50%; transform: translateX(-50%); background:url('../img/about_c1_bg_img.jpg') center/cover no-repeat;}
#about .sec1 .offer_area:after {content:""; position:absolute; left:0; top:0; width:100%; height:100%; background:rgba(0,0,0,.65);}

#about .sec1 .offer_title {position:absolute; top:122px; left:0; width:100%; text-align:center; z-index:2;}
#about .sec1 .offer_title span {position: relative; display: inline-block; margin-bottom: 17px;}
#about .sec1 .offer_title span::before {content: ""; position: absolute; top: -20px; left: 50%; transform: translateX(-50%); width: 35px; height: 5px; background-color: #fff;}

#about .sec1 .offer_list {justify-content: center; position:absolute; bottom:76px; left:50%; transform:translateX(-50%); display:flex; gap:18px; width:calc(100% - 128px); z-index:3;}
#about .sec1 .offer_item {width: 362px; height:362px; padding : 57px 10px; background:rgba(255,255,255,.15); border-radius:12px; text-align:center; backdrop-filter:blur(5px);}
#about .sec1 .offer_item::before {border-radius: 15px; content:""; position:absolute; left:14px; top:14px; right:14px; bottom:14px; border:1px solid rgba(255,255,255,.2); opacity:0; transition:.3s; pointer-events:none;}
#about .sec1 .offer_item:hover::before {opacity:1;}
#about .sec1 .offer_item:hover {background-color: #002446;}

#about .sec1 .offer_item .icon {width:62px; height:62px; margin:0 auto 35px;}
#about .sec1 .offer_item .icon1 {background:url('../img/about_c1_icon1.png') center/cover no-repeat;}
#about .sec1 .offer_item .icon2 {background:url('../img/about_c1_icon2.png') center/cover no-repeat;}
#about .sec1 .offer_item .icon3 {background:url('../img/about_c1_icon3.png') center/cover no-repeat;}
#about .sec1 .offer_item .icon4 {background:url('../img/about_c1_icon4.png') center/cover no-repeat;}

#about .sec1 .offer_item .icon {transition:transform .6s ease; cursor:pointer;}
#about .sec1 .offer_item:hover .icon {transform:rotateY(180deg);}
#about .sec1 .offer_item h4 {margin:0 auto 35px; position: relative;}
#about .sec1 .offer_item h4::before {content: ''; position: absolute; width: 35px; height: 1px; background-color: rgba(255, 255, 255, 0.5); bottom: -20px;  left: 50%; transform: translateX(-50%);}


/* sec2 */
/* txt_list */
#about .sec2 .txt_list {border-top:1px solid #000; border-bottom:1px solid #000; }
#about .sec2 h3 {padding-bottom: 57px;word-break: break-all; position: relative; padding-left: 18px;}
#about .sec2 h3::before {content: ''; position:absolute; top: 8px; left: 0; width: 5px; height: 37px; background-color: #002446;}
#about .sec2 .txt {display: flex; align-items: flex-start; padding: 67px 0 56px;}
#about .sec2 .txt > span {font-weight: 800; line-height: 1.1; letter-spacing: 0.6px; color: #000; font-family: "Google Sans Flex", sans-serif; width: 80px;}
#about .sec2 .txt > .tit {width: 365px;}
#about .sec2 .txt > .tit > p:nth-child(1) {color: #000; font-family:'SUIT', sans-serif; font-weight: 800; margin-bottom: 5px;}
#about .sec2 .txt > .tit > p:nth-child(2) {color: #002446; font-weight: 700;}
#about .sec2 .txt:nth-child(2) {position: relative;}
#about .sec2 .txt:nth-child(2)::before {content: ''; display: block; width: calc(100vw - 40px); max-width: 1850px; height: 100%; position: absolute; top: 0; left: 50%; transform: translateX(-50%); border-radius: 20px; z-index: -1; background-color: #f7f7f7;}
#about .sec2 .txt:nth-child(2) span {color: #002446;}
#about .sec2 .txt:nth-child(2) > .tit > p:nth-child(2) {color: #333;}
#about .sec2 .txt > p {color: #222; font-weight: 400;}


/* sec3 */
/* box_wrap */
#about .sec3 .box_wrap {display:flex; border-radius:20px; overflow:hidden; height:417px;}
#about .sec3 .left {position:relative; width:40%; background:#002446; display:flex; align-items:center;}
#about .sec3 .left::before {content:""; position:absolute; left:0; bottom:0; width:435px; height:332px; background:url("../img/about_c3_bg.png") no-repeat center/contain; transition:transform .6s ease;}
#about .sec3 .left h3 {position:relative; z-index:2; top:-60px; left:166px; color:#fff; font-size:60px; font-weight:700; text-transform:uppercase;}
#about .sec3 .left::before {content:""; position:absolute; left:0; bottom:0; width:435px; height:332px; background:url("../img/about_c3_bg.png") no-repeat center/contain; animation:float 3s ease-in-out infinite;}

/* ani */
@keyframes float {
    0%, 100% {transform:translateY(0);}
    50% {transform:translateY(20px);}
}

#about .sec3 .right {width:60%; background:#f7f7f7; padding: 90px 20px 20px 110px; display:flex; flex-direction:column;}
#about .sec3 .right > span {display:block; margin-bottom:20px; color: rgba(0, 0, 0, 0.21); text-transform:uppercase; font-family:'SUIT', sans-serif; letter-spacing: 4.86px;}
#about .sec3 .right p:nth-of-type(1) {position:relative; padding-bottom:42px; margin-bottom:16px; line-height: 1.49; font-weight: 700; color:#000;}
#about .sec3 .right p:nth-of-type(1) > span {font-weight: 800; color: #002446;}
#about .sec3 .right p:nth-of-type(1)::after{content:""; position:absolute; left:0; bottom:0; width:34px; height:2px; background:#002446;}


/* sec4 */
#about .sec4 h2 {text-align: center; margin-bottom: 70px; position: relative;}
#about .sec4 h2::before {content: ''; position:absolute; left:50%; top:-30px; width:34px; height:5px; background:#002446; transform: translateX(-50%);}
#about .sec4 .img {background-color:  #f7f7f7; width: 100%; height: 100%; position: relative; margin: 70px auto 110px; padding: 100px 0; display: flex; justify-content: center; align-items: center; border-radius: 20px;}
#about .sec4 .img img {transition: .4s ease;}
#about .sec4 .img:hover img {transform: scale(1.02);}

/* box_wrap */
#about .sec4 .box_wrap {position: relative; z-index: 1; padding: 100px 0;}
#about .sec4 .box_wrap::before {content: ''; display: block; width: calc(100vw - 40px); max-width: 1850px; height: 100%; position: absolute; top: 0; left: 50%; transform: translateX(-50%); border-radius: 20px; z-index: -1; background-color: #f7f7f7;}
#about .sec4 .box_wrap .flex {display: flex; gap: 42px;}
#about .sec4 h3 {margin-bottom: 50px; position: relative; padding-left: 18px;}
#about .sec4 h3::before {content: ''; position:absolute; top: 8px; left: 0; width: 5px; height: 37px; background-color: #002446;}

/* logo_box */
#about .sec4 .logo_box {min-height: 167px; gap: 90px; border: solid 3px #fff; display: flex; justify-content: space-between; padding: 35px 52px; align-items: center; border-radius: 20px; background-color: #fff;}
#about .sec4 .logo_box:nth-of-type(1) {margin-bottom: 23px;}

#about .sec4 .arrow {position:relative; display:flex; justify-content:center; align-items:center; width:60px; height:60px; background-color: #f5f5f5; border-radius:50%; transition:.3s;}
#about .sec4 .arrow img {position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); transition:.3s ease;}
#about .sec4 .arrow img:first-child {opacity:1;}
#about .sec4 .arrow img:last-child {opacity:0;}

#about .sec4 .logo_box:hover {border: solid 3px #002446;}
#about .sec4 .logo_box:hover .arrow {background:#002446;}
#about .sec4 .logo_box:hover .arrow img:first-child {opacity:0;}
#about .sec4 .logo_box:hover .arrow img:last-child {opacity:1;}

/* bg_box */
#about .sec4 .bg_box {position:relative; overflow:hidden; border-radius:20px; padding:58px 68px; min-width: 750px; min-height: 357px;}
#about .sec4 .bg_box::before {content:""; position:absolute; top:0; left:0; width:100%; height:100%; background:url("../img/about_c4_bg.jpg") no-repeat center/cover; z-index:0; transition:.4s;}
#about .sec4 .bg_box p {position:relative; z-index:2; color:#fff; font-weight:500; line-height:1.29; font-family: "Google Sans Flex", sans-serif;}

#about .sec4 .arrow_btn {position:absolute; right:68px; bottom:58px; z-index:2;}
#about .sec4 .arrow_btn a {display:flex; justify-content:center; align-items:center; width:98px; height:98px; border-radius:50%; transition:.3s; border: 2px solid #fff;}
#about .sec4 .arrow_btn {transition:.3s;}

#about .sec4 .bg_box:hover::before {transform:scale(1.05);}
#about .sec4 .arrow_btn:hover {transform:translateX(10px);}