@charset "utf-8";
/* layout.css는 전체적인 레이아웃 스타일을 정의합니다. */

#skipToContent a {z-index:100000;position:absolute;overflow:hidden;top:0;left:0;width:1px;height:1px;font-size:0;line-height:0;}
#skipToContent a:focus,
#skipToContent a:active {width:200px;height:50px;background:#21272e;color:#fff;font-size:14px;font-weight:bold;text-align:center;text-decoration:none;line-height:50px}

.only-desktop-tablet {display:block;}
.only-desktop {display:block;}
.only-tablet {display:none;}
.only-mobile {display:none;}

.contain {max-width:1260px; padding-left:var(--container-space); padding-right:var(--container-space); margin:0 auto;}

/* header */
#header {position:fixed; top: 0; width:100%; z-index:100;}
#header .contain {position:relative; display:flex; align-items:center; justify-content:space-between; max-width: 1680px; height:var(--header-height); z-index:10;}

#gnb {text-align:center; flex:1 1 auto; min-width:0; width:1%;}
#gnb>ul {display:flex; justify-content:center;}
#gnb>ul>li {position:relative; padding:0 62px;}
#gnb>ul>li>a {position:relative; display:flex; align-items:center; flex-direction: column; justify-content:center; height:var(--header-height); color:#fff; font-size:20px; font-weight:600; letter-spacing:0; line-height:1.3em;}
#gnb>ul>li.active>a {color: var(--primary-color);}
#gnb .submenu {position:absolute; left:0; width:100%; height:0; overflow:hidden; text-align:center; letter-spacing: -.01em;}
#gnb .submenu>ul {padding:37px 5px;}
#gnb .submenu>ul>li:not(:last-child) {margin-bottom: 7px;}
#gnb .submenu>ul>li>a {display:block; padding:4px 0; color:#fff; font-size:18px; font-weight: 500; line-height:1.5em;}
#gnb .submenu>ul>li:hover>a, #gnb .submenu>ul>li.active>a {text-decoration:underline; text-underline-offset: 4px;}
#gnb .thirdmenu>ul>li>a {color: #d2d2d2;}
#gnb .thirdmenu>ul>li>a:hover {color: #fff;}
.submenu-bg {display:none; position:absolute; width:100%; left:0; background:var(--gradient-color); opacity: .98;}

/* header.active */
#header.active {background: #fff;}
#header.active .sitelogo {background: url('/images/common/logo-dark.png') no-repeat center left; background-size: contain;}
#header.active .sitelogo img {opacity: 0;}
#header.active #gnb>ul>li>a {color: var(--dark-color);}
#header.active .btn-m-menu span,
#header.active .btn-m-menu span:before,
#header.active .btn-m-menu span:after {background: var(--dark-color);}

/* for mobile */
.btn-m-menu {display:block; position:relative; width:30px; height:22px;}
.btn-m-menu span {position:absolute; left:0; right:0; top:50%; height:2px; margin-top:-1px; background:#fff;}
.btn-m-menu span:before,
.btn-m-menu span:after {content:" "; position:absolute; left:0; right:0; height:2px; background:#fff;}
.btn-m-menu span:before {top:-9px;}
.btn-m-menu span:after {bottom:-9px;}

.mobile-navigation {display:block; position:fixed; top:0; right:0; width:300px; height:100%; overflow:auto; transition:.2s linear; -ms-transform:translateX(100%); transform:translateX(100%); background:#fff; z-index:102;}
.mobile-navigation .home {display:flex; align-items:center; height:var(--header-height); padding:0 20px; color:#242424; font-size:19px; font-weight:700; line-height:1.5em;}
.mobile-navigation .nav-menu>ul {border-top:1px solid #ddd;}
.mobile-navigation .nav-menu>ul>li {border-bottom:1px solid #ddd;}
.mobile-navigation .nav-menu>ul>li>a {position:relative; padding:10px 48px 10px 20px; display:block; color:#242424; font-size:19px; font-weight:700; line-height:1.5em;}
.mobile-navigation .nav-menu>ul>li>a:after {content:""; position:absolute; top:50%; right:20px; transform:translateY(-75%) rotate(45deg); width:11px; height:11px; border-right:2px solid #505050; border-bottom:2px solid #505050;}
.mobile-navigation .nav-menu>ul>li.active>a {color:#fff; background:var(--primary-color)}
.mobile-navigation .nav-menu>ul>li.active>a:after {transform:translateY(-35%) rotate(-135deg); border-color:#fff;}
.mobile-navigation .nav-menu .submenu {display:none; background:#f8f8f8; color:#454545; font-size:16px; font-weight:400; line-height:1.5em;}
.mobile-navigation .nav-menu .submenu ul li {border-top:1px solid #e5e5e5;}
.mobile-navigation .nav-menu .submenu ul li a {display:block; padding:12px 20px;}
.mobile-navigation .nav-menu .submenu ul li a:hover {color:var(--primary-color);}
.mobile-navigation .close {position:absolute; top:25px; right:15px; width:26px; height:26px; text-indent:-9999em; overflow:hidden;}
.mobile-navigation .close:before,
.mobile-navigation .close:after {content:" "; position:absolute; top:12px; left:0; width:100%; height:3px; background:#242424; border-radius:3px;}
.mobile-navigation .close:before {transform:rotate(45deg);}
.mobile-navigation .close:after {transform:rotate(-45deg);}
.mobile-overlay {display:none; position:fixed; top:0; left:0; width:100%; height:100%; background:#000; opacity:0.6; z-index:101;}

html.menu-opened {overflow:hidden;}
html.menu-opened .mobile-navigation {-ms-transform:translateX(0); transform:translateX(0);}
html.menu-opened .mobile-overlay {display:block;}

/* main */
.main-visual {position:relative; background:#000; overflow:hidden;}
.main-visual .item {position:relative; height:100vh; overflow:hidden;}
.main-visual .image {position:absolute; top:0; left:0; width:100%; height:100%; overflow:hidden; transition:5s linear; transform:scale(1.15);}
.main-visual .image img {position:absolute; top:50%; left:0; transform:translateY(-50%); -ms-transform:translateY(-50%); -webkit-transform:translateY(-50%); width:100%; height:auto !important; max-width:100%; min-height:100%; object-fit:cover;}
.main-visual .caption {position:absolute; top: 50%; left:50%; width: 100%; max-width: 1500px; padding:0 50px; transform: translate(-50%, -50%); color:#fff; z-index:40; text-align: center;}
.main-visual .caption h2 {font-size: clamp(30px, calc( 76 / var(--inner) * 100vw ), 76px); line-height: 1.05em;}
.main-visual .caption p {margin-top: clamp(12px, calc( 38 / var(--inner) * 100vw ), 38px); font-weight: 500; font-size: clamp(16px, calc( 26 / var(--inner) * 100vw ), 26px);}
.main-visual .controls {position:absolute; bottom: 60px; left:50%; width: 100%; max-width: 1720px; padding:0 50px; transform: translateX(-50%); display:flex; align-items:center; justify-content: space-between; color:#fff; z-index:40;}
.mv-arrows {display: flex; gap:8px;}
.mv-arrows .slick-arrow {width: var(--mv-arrow); height: var(--mv-arrow); overflow: hidden; border: 0; text-indent: -9999em; background: url('/images/main/mv-arrow.png') no-repeat center center; background-size: contain;}
.mv-arrows .slick-next {transform: rotate(180deg);}
.main-visual .pager {display: flex; align-items: center; gap: 12px;color: rgba(255,255,255,.35); font-size: clamp(15px, calc( 18 / var(--inner) * 100vw ), 18px); font-weight: 700;}
.main-visual .pager .line {width: 30px; height: 3px; background: rgba(255,255,255,.36);}
.main-visual .pager .current {display:inline-block; width:1em; text-align: right; color: #fff;}
.main-visual .active .image {transform:scale(1);}
.main-visual .scroll {position:absolute; top: 50%; right: var(--container-space); transform: translateY(-50%); width:16px; animation:scrollDown .9s linear infinite alternate; z-index:40;}

@keyframes scrollDown{
	0%{margin-top: 0;}
	100%{margin-top: 15px;}
}

.main-shortcut {position: relative; padding: clamp(40px, calc( 100 / var(--inner) * 100vw ), 100px) 0;}
.main-shortcut:before, .main-shortcut:after {position: absolute; font-weight: 800; color: var(--dark-color); opacity: .04; font-size: clamp(30px, calc( 250 / var(--inner) * 100vw ), 250px); line-height: .75em; pointer-events: none; z-index: -1;}
.main-shortcut:before {content: 'Network'; right: 0; top: 0;}
.main-shortcut:after {content: 'Solution'; left: 0; bottom: 0;}
.shortcut-items {gap: clamp(15px, calc( 40 / var(--inner) * 100vw ), 40px);}
.shortcut-items .item {padding: clamp(20px, calc( 50 / var(--inner) * 100vw ), 50px) 15px; border-radius: clamp(10px, calc( 20 / var(--inner) * 100vw ), 20px); background: #fff; box-shadow: 8px 8px 15px rgba(0,0,0,.08); transition: all .3s; font-size: clamp(15px, calc( 17 / var(--inner) * 100vw ), 17px); line-height: 1.411em;}
.shortcut-items h3 {margin: clamp(12px, calc( 18 / var(--inner) * 100vw ), 18px) 0 clamp(8px, calc( 12 / var(--inner) * 100vw ), 12px);}
.shortcut-items .item:hover {background: var(--primary-color); box-shadow: none;}
.shortcut-items .item:hover h3, .shortcut-items .item:hover p {color: #fff;}
.shortcut-items .item:hover .icon img {filter: grayscale(1) brightness(10);}

/* sub */
.sub-visual {position:relative; overflow:hidden; height:500px; background:#333; color:#fff; text-align:center;}
.sub-visual .bg {position:absolute; top:0; left:0; overflow:hidden; width:100%; height:100%; background-repeat:no-repeat; background-position:50% 0; background-size:cover; transition:2s; opacity:0; transform:scale(1.1);}
.sub-visual .inner {position:absolute; top:50%; left:0; width:100%; transform:translateY(-50%); padding-top: var(--header-height); padding-bottom: var(--lnb-height);}
.sub-visual h2 {font-size:clamp(30px, calc( 60 / var(--inner) * 100vw ), 60px); font-weight:700; line-height:1.3em; letter-spacing:-.03em;}
.sub-visual p {font-size: clamp(15px, calc( 18 / var(--inner) * 100vw ), 18px); font-weight: 500; color: rgba(255,255,255,.7); margin-top: clamp(10px, calc( 20 / var(--inner) * 100vw ), 20px);}
.sub-visual .bg1 {background-image:url("../images/common/sv1.jpg");}
.sub-visual .bg2 {background-image:url("../images/common/sv2.jpg");}
.sub-visual .bg3 {background-image:url("../images/common/sv3.jpg");}
.sub-visual .bg4 {background-image:url("../images/common/sv4.jpg");}
.sub-visual .bg5 {background-image:url("../images/common/sv5.jpg");}
.sub-visual.none-lnb .inner {padding:0;}
.loaded .sub-visual .bg {transform:scale(1); opacity:1;}

.lnb-wrap {position:relative; margin-top: calc(var(--lnb-height) * -1); background: rgba(0,0,0,.7);}
.lnb {margin:0 auto; max-width:1200px;}
.lnb ul {display:flex;}
.lnb ul li {flex:1; text-align:center;}
.lnb ul li a {display:flex; flex-direction:column; justify-content:center; align-items:center; width:100%; height:var(--lnb-height); padding:0 15px; color:#fff; font-size:18px; font-weight:500; line-height:1.2em; letter-spacing:-.03em;}
.lnb ul li.active {background:#fff; border:0;}
.lnb ul li.active a {color:var(--dark-color);}

.sub-title {padding-bottom:clamp(40px, calc( 80 / var(--inner) * 100vw ), 80px); max-width:1260px; margin:0 auto;}
#contArea.wide .sub-title {padding-left:var(--container-space); padding-right:var(--container-space);}
.sub-title h1 {position: relative; padding-bottom: 25px; font-size:clamp(28px, calc( 38 / var(--inner) * 100vw ), 38px); line-height:1.3em; color:var(--dark-color); text-align: center;}
.sub-title h1:before {position: absolute; content: ''; bottom: 0; left: 50%; margin-left: -25px; width: 50px; height: 5px; background: var(--primary-color);}

#contArea {max-width:1260px; padding-left:var(--container-space); padding-right:var(--container-space); margin:0 auto;}
#contArea.wide {max-width:100%; padding:0;}

.real-cont {padding: clamp(40px, calc( 80 / var(--inner) * 100vw ), 80px) 0 clamp(40px, calc( 100 / var(--inner) * 100vw ), 100px);}
.icon img {vertical-align: middle; margin-top: -.02em;}
.txt-center {text-align: center;}

.flex-wrap {display: flex;}
.flex-center {display: flex; justify-content: center;}
.flex-between {display: flex; justify-content: space-between;}
.flex-mid {display: flex; align-items: center;}
.flex-column {display: flex; flex-direction: column;}
.flex1 {flex: 1;}

.fw400 {font-weight: 400;}
.fw500 {font-weight: 500;}
.fw600 {font-weight: 600;}
.fw700 {font-weight: 700;}

.primary-color {color: var(--primary-color);}
.secondary-color {color: var(--secondary-color);}
.dark-color {color: var(--dark-color);}

.fz17-15 {font-size: clamp(15px, calc(17 / var(--inner) * 100vw ), 17px);}
.fz18-15 {font-size: clamp(15px, calc(18 / var(--inner) * 100vw ), 18px);}
.fz22-18 {font-size: clamp(18px, calc(22 / var(--inner) * 100vw ), 22px);}
.fz28-20 {font-size: clamp(20px, calc(28 / var(--inner) * 100vw ), 28px);}
.fz32-22 {font-size: clamp(22px, calc(32 / var(--inner) * 100vw ), 32px);}
.fz40-24 {font-size: clamp(24px, calc(40 / var(--inner) * 100vw ), 40px); line-height: 1.2em;}

.mb20-12 {margin-bottom: clamp(12px, calc(20 / var(--inner) * 100vw ), 20px);}
.mb27-15 {margin-bottom: clamp(15px, calc(27 / var(--inner) * 100vw ), 27px);}
.mb35-20 {margin-bottom: clamp(20px, calc(35 / var(--inner) * 100vw ), 35px);}
.mb60-30 {margin-bottom: clamp(30px, calc(60 / var(--inner) * 100vw ), 60px);}

/* footer */
#footer {background:#222; padding: clamp(20px, calc( 50 / var(--inner) * 100vw ), 50px) 0; color: #d2d2d2;}
#footer .contain {max-width: 1460px;}
.f-cnt {padding-right: 30px; gap: clamp(20px, calc( 45 / var(--inner) * 100vw ), 45px);}
.f-cnt address {font-style: normal; display: flex; gap: 0 16px; font-size: clamp(13px, calc( 15 / var(--inner) * 100vw ), 15px);}
#footer .copyright {margin-top: clamp(10px, calc( 30 / var(--inner) * 100vw ), 30px); font-size: clamp(12px, calc( 13 / var(--inner) * 100vw ), 13px); color: #666; line-height: 1.5em;}
.f-right {gap: clamp(15px, calc( 40 / var(--inner) * 100vw ), 40px);}
.f-link {gap: clamp(15px, calc( 35 / var(--inner) * 100vw ), 35px);}
.f-link .icon {margin-right: 6px;}
.scroll-top {display:flex; justify-content:center; align-items:center; z-index:80; width:65px; height:60px; background: var(--primary-color); color:#fff; font-size:12px; font-weight: 700; line-height:1em; text-align:center;}
.scroll-top span:before {display:block; content:""; margin:0 auto 10px; width:0; height:0; border-left:6px solid transparent; border-right:6px solid transparent; border-bottom:7px solid #fff;}