@charset "utf-8";
@import url('webfonts.css');
/*==============================================================
* Generated by somangLee on 2021-07-01
==============================================================*/

.pretendard {font-family: 'Pretendard', sans-serif !important;}
body {color: #000;}

/* header */
header {width: 100%; background: #fff; position: fixed; top: 0; left: 0; right: 0; z-index: 200;  border-bottom: 1px solid #dfe0e1; }
.headerWrap {/*width: 1450px;*/ padding:0 90px; height: 95px;margin: 0 auto; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between; -webkit-box-align: center; -ms-flex-align: center; align-items: center; font-family: 'Pretendard'; -webkit-transition: all .3s ease; -o-transition: all .3s ease; transition: all .3s ease; }
header::after {content: "";opacity: 0; position: absolute; z-index: -1; width: 100%; top: -95px; -webkit-transition: top .2s ease-in-out; -o-transition: top .2s ease-in-out; transition: top .2s ease-in-out; }
.headerWrap .logo {background: url(/resources/images/webfront/logo/by_logo2.png) no-repeat; width: 148px; height: 43px; background-position: left; -webkit-transition: background .35s; -o-transition: background .35s; transition: background .35s;}

/* gnb */
.gnb {position: absolute; left: 50%; -webkit-transform: translateX(-50%); -ms-transform: translateX(-50%); transform: translateX(-50%);}
.gnb li { float: left; margin-left: 74px;}
.gnb li:first-child {margin-left: 0;}
.gnb li a {font-size: 1.19rem; font-weight: 600; color: #000; position: relative;} /*change*/
.gnb li a::after {content: ""; position: absolute; bottom: -5px; background: #000; width: 0; height: 1px; left: 50%; opacity: 0; -webkit-transition: width .3s ease; -o-transition: width .3s ease; transition: width .3s ease; -webkit-transform: translateX(-50%); -ms-transform: translateX(-50%); transform: translateX(-50%); margin: 0;}
.gnb li a:hover::after {opacity: 1; width: 100%;}
.gnb li.active a::after {opacity: 1; width: 100%;}

/* 관련사이트 select */
header .select-wrap {position: relative; width: 140px; border: 1px solid #dfe0e1; border-radius: 20px; -webkit-transition: border-color .3s step-start, border-radius .1s, background-color .3s; -o-transition: border-color .3s step-start, border-radius .1s, background-color .3s; transition: border-color .3s step-start, border-radius .1s, background-color .3s; -webkit-box-sizing: content-box; box-sizing: content-box;}
header .select-wrap .select-btn {position: relative; width: 100%; height: 38px; line-height: 38px; color: #333;  padding: 0 17px; font-size: .85rem; cursor: pointer; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between; -webkit-transition: color .3s, background-color .3s; -o-transition: color .3s, background-color .3s; transition: color .3s, background-color .3s;}
header .select-lst { visibility: hidden; opacity: 0; width: calc(140px + 2px); height: 0; background: #fff; border-bottom-right-radius: 20px; border-bottom-left-radius: 20px; position: absolute; top: 38px; left: 50%; -webkit-transform: translateX(-50%); -ms-transform: translateX(-50%); transform: translateX(-50%); border: 1px solid #dfe0e1; -webkit-transition: height .3s, border-color .3s, background-color .3s; -o-transition: height .3s, border-color .3s, background-color .3s; transition: height .3s, border-color .3s, background-color .3s; border-top: 0; overflow: hidden;}
header .select-lst::before {content: ""; width: 100%; height: 1px; background: #f5f5f5; opacity: 0;  position: absolute; top: 0; left: 50%; -webkit-transform: translateX(-50%); -ms-transform: translateX(-50%); transform: translateX(-50%); }
header ul.select-lst li a {display: block; height: 38px; line-height: 38px; color: #000; padding: 0 17px; font-size: .85rem;}
header .select-wrap:hover { opacity: 1; border-bottom: 0;border-bottom-right-radius: 0;border-bottom-left-radius: 0; }
header .select-wrap:hover .select-btn span::after {content: ""; width: 100%; border-top: 1px solid #ccc; }
header .select-wrap:hover .select-lst {visibility: visible; opacity: 1; height: auto;}
header .select-wrap:hover .select-lst::before {opacity: 1;}
header .select-wrap:hover .select-lst li {-webkit-transition-delay: .3s;-o-transition-delay: .3s;transition-delay: .3s; -webkit-transition-timing-function: linear; -o-transition-timing-function: linear; transition-timing-function: linear; }
header .select-lst li a:hover {background: #f5f5f5;}
header .hd-sitemap {margin-left: 30px;}
header .hd-sitemap a.sitemap-open {display: inline-block; width: 26px; height: 21px; background: url(/resources/images/webfront/icon/menu_icon2.png) no-repeat; vertical-align: middle;;}

header.fixed {-webkit-box-shadow: 0 4px 30px -5px rgba(0, 0, 0, 0.2);box-shadow: 0 4px 30px -5px rgba(0, 0, 0, 0.2); border-bottom: none;}
header.fixed::after {opacity: 1; top: 0; }

/* visual common */
.visual {width: 100%; padding-top: 95px;}
.visual .top-box { height: 323px; position: relative; padding: 0 0 40px 0; text-align: center; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; -webkit-box-pack: end; -ms-flex-pack: end; justify-content: flex-end; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column;}
.visual .top-box .txt {font-size: 3rem;}
.visual .top-box .txt.bottom {padding-bottom: 57px;} 
.visual .top-box .txt strong {font-weight: 600;}
.visual .top-box .sub-txt {position: absolute; font-weight: 200; font-size: 18px; padding-bottom: 7px;}
.visual .top-box .sub-txt em {display: inline-block; position: relative; margin-right: 27px;}
.visual .top-box .sub-txt em:last-child {margin-right: 0;}
.visual .top-box .sub-txt em::after {content: ""; width: 1px; height: 12px; background: #ccc; position: absolute; top: 50%; right: -18px; -webkit-transform: translateY(-50%); -ms-transform: translateY(-50%); transform: translateY(-50%);}
.visual .top-box .sub-txt em:last-child::after {content: none;}
.visual .top-box .sub-txt strong {font-weight: 600;}
.visual.research-list .txt {font-size: 2.3rem; font-weight: 200; line-height: 1.45;}

/* visual - 소식 */
.visual.sosic .top-box {height: 460px; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;}
.visual.sosic .top-box::after {content: ""; background: url(/resources/images/webfront/sub_bg07.jpg) no-repeat center bottom 71%/cover; width: 100%; height: 100%; position: absolute; top: 0; left: 0; z-index: -1; }
.visual.sosic .top-box .txt {color: #fff; font-weight: 200; line-height: 1.4; padding-top: 25px;}

.visual .bg-box {display: -webkit-box;display: -ms-flexbox;display: flex;  -webkit-box-align: center;  -ms-flex-align: center;  align-items: center;  -webkit-box-pack: center;  -ms-flex-pack: center;  justify-content: center; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column;height: 538px; background: #f5f5f5; position: relative; z-index: 0; padding: 0 30px; overflow: hidden;}
.visual .bg-box .txt p {font-size: 1.2rem;  color: #fff; text-align: center; line-height: 1.9; font-weight: 300; letter-spacing: -0.25px;}
.visual .bg-box .txt p.last {padding-top: 14px;}

.visual .both-bg-box {display: -webkit-box;display: -ms-flexbox;display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center;overflow: hidden;height: 539px}
.visual .both-bg-box .box {overflow: hidden; width: 50%; height: 100%;}
.visual .both-bg-box .box {display: -webkit-box;display: -ms-flexbox;display: flex; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between; overflow: hidden; padding: 87px 80px; height: 100%; color: #fff; -webkit-transition: -webkit-transform .3s ease-out; transition: -webkit-transform .3s ease-out; -o-transition: transform .3s ease-out; transition: transform .3s ease-out; transition: transform .3s ease-out, -webkit-transform .3s ease-out; position: relative;z-index: 1;}
.visual .both-bg-box .box .num {font-size: 1.188rem; font-weight: 300;}
.visual .both-bg-box .box .tit {font-size: 2.2rem; font-weight: 500; line-height: 1.4;}
.visual .both-bg-box .box .date {font-size: 1.125rem; font-weight: 300;}
.visual .both-bg-box .box .date::before {content: "\e9a0"; font-family: 'xeicon'; font-size: 1rem; color: #fff; margin-right: 5px;}
.visual .both-bg-box .box .date .state{color: #ffffff; background: rgb(255 255 255 / 30%); padding: 3px 6px; font-size: 0.9rem; border-radius: 3px; margin-left: 6px;}
.visual .both-bg-box .box::before { content: ""; position: absolute; z-index: -1; top: 0; left: 0;width: 100%; height: 539px; -webkit-transition: all .3s ease-out; -o-transition: all .3s ease-out; transition: all .3s ease-out; -webkit-transform: scale(1.1); -ms-transform: scale(1.1); transform: scale(1.1);}
.visual .both-bg-box .box1::before {background: url(/resources/images/webfront/sub_bg03.jpg) no-repeat 0 0/cover;}
.visual .both-bg-box .box2::before {background: url(/resources/images/webfront/sub_bg04.jpg) no-repeat 0 0/cover;}
.visual .both-bg-box .box:hover::before {-webkit-transform: scale(1.05);-ms-transform: scale(1.05);transform: scale(1.05);}

.visual.intro .bg-box::after, 
.visual.research1 .bg-box::after,
.visual.research2 .bg-box::after {content: ""; width: 100%; max-width: 100%; height: 539px; position: absolute; top: 0; left: 0; right:0; bottom:0; z-index: -1;}
.visual.intro .bg-box::after {background: url(/resources/images/webfront/sub_bg01.jpg) no-repeat center center/cover}
.visual.research1 .bg-box::after {background: url(/resources/images/webfront/sub_bg05.jpg) no-repeat center 84%/cover}
.visual.research2 .bg-box::after {background: url(/resources/images/webfront/sub_bg06.jpg) no-repeat center 77%/cover}

.visual.intro .top-box .txt {padding-bottom: 0; line-height: 1.4; font-weight: 300; letter-spacing: -0.2px;}
.bg-box .keyword { padding: 17px 33px; background: rgba(0, 0, 0, .6); border-radius: 30px; color: #fff; margin-top: 40px;}
.bg-box .keyword .tit {font-size: 1.063rem; position: relative; padding-right: 7px; font-weight: 600;}
.bg-box .keyword .tit::after {content: ""; width: 1px; height: 14px; background: rgba(255, 255, 255, .3); position: absolute; top: 54%; right: -13px; -webkit-transform: translateY(-50%); -ms-transform: translateY(-50%); transform: translateY(-50%); }
.bg-box .keyword span {font-size: 1rem; margin-left: 28px;}

/*.side-motion .left {position: absolute; top: 0; left: 0; z-index: 1; width: 80px; height: 100%; background-color: #fff; -webkit-transition: width .1s ease; -o-transition: width .1s ease; transition: width .1s ease;}
.side-motion .right {position: absolute; top: 0; right: 0; z-index: 1; width: 80px; height: 100%; background-color: #fff; -webkit-transition: width .1s ease; -o-transition: width .1s ease; transition: width .1s ease;}
.side-motion .left, .side-motion .right {-webkit-animation: ani-side 1s .5s forwards;animation: ani-side 1s .5s forwards;}*/

@-webkit-keyframes ani-side {
  0% {width: 80px;}
  100% {width: 0;}
}

@keyframes ani-side {
  0% {width: 80px;}
  100% {width: 0;}
}

/* content */
.contents {width: 1450px; margin: 0 auto; padding: 57px 0 153px; }
.contents.type2 {width: 100%; margin: auto; padding: 0;}

/* footer */
footer {height: 100px; padding: 0 90px; background: #f5f6f7; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between; -webkit-box-align: center; -ms-flex-align: center; align-items: center;} 
footer strong, footer span { display: inline-block; color: #5e5e5e; font-size: 1rem;}
footer strong {font-weight: 700; padding-right: 14px; color: #222;}
footer span {font-weight: 400; letter-spacing: -.5px;}
footer ul li {float: left; margin-right: 35px; position: relative;}
footer ul li:last-child {margin-right: 0;}
footer ul li:last-child::after{content: none;}
footer ul li::after {content: ""; width: 1px; height: 12px; background: #d8d8d8; position: absolute; right: -18px; top: 50%; -webkit-transform: translateY(-50%); -ms-transform: translateY(-50%); transform: translateY(-50%);}
footer .copy {font-weight: 300; font-family: 'Play';}
footer .copy .company { color: #3d6bc7; font-weight: 600;}

/* hidden-select-wrap 관련사이트 */
.hidden-select-wrap {display: none; position: relative; }
.hidden-select-wrap .select {width: 100%; height: 67px; line-height: 67px; position: relative; padding: 0 20px; background: #f5f5f5; color: #000; font-weight: 500; border-bottom: 1px solid #ddd; cursor: pointer;}
.hidden-select-wrap .select::after {content: "\e936"; font-family: 'xeicon'; font-size: 1.3rem; color: #000; position: absolute; right: 20px; top: 50%; -webkit-transform: translateY(-50%); -ms-transform: translateY(-50%); transform: translateY(-50%);}
.hidden-select-wrap ul {display: none; position: absolute; top: 67px; width: 100%; z-index: 999;border-bottom: 1px solid #ddd;}
.hidden-select-wrap ul li a {display: block; width: 100%; height: 50px; line-height: 50px; padding: 0 20px; background: #eee; color: #000;font-weight: 500;}
.hidden-select-wrap ul li a:hover, .hidden-select-wrap ul li a:active {background: #e9e9e9;}

@media screen and (max-width:1460px) {
  /*footer*/
  footer {height: auto; padding: 0; -webkit-box-pack: start; -ms-flex-pack: start; justify-content: flex-start; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column;}
  footer ul {display: -webkit-box;display: -ms-flexbox;display: flex; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;}
  footer ul li {margin: 30px 26px 30px 0; }
  footer ul li::after {right: -14px;}
  footer .copy {display: block; width: 100%; text-align: center; border-top: 1px solid #e5e5e5; padding: 10px 0;} 
}
@media screen and (max-width: 1150px) {
  /*footer*/
  footer ul {display: block; text-align: center; padding: 10px 0;}
  footer ul li {margin: 10px 0;}
  footer ul li.address {width: 100%;}
  footer ul li.row {width: 33.3333%;}
  footer ul li.row1 {text-align: right;}
  footer ul li.row3 {text-align: left;}
  footer ul li::after {content: unset;}
}
@media screen and (max-width:744px) {
  /*footer*/
  footer ul li {width: 100% !important; text-align: center !important; margin: 5px 0;}
  footer strong, footer span {font-size: 1rem;}
}

.dot {position: relative;}
.dot::before {content: ""; width: 5px; height: 5px; background: #b9c0cd; border-radius: 50%; display: inline-block; vertical-align: middle; margin-right: 8px;}

/* ==================== intro 소개 ========================= */

.intro-section .section1 {display: -webkit-box;display: -ms-flexbox;display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center;-webkit-box-pack: center;-ms-flex-pack: center;justify-content: center; gap: 9.7em;height: 952px; }
.intro-section .section1 .txt-box .tit {font-size: 2.5rem; white-space: nowrap;} 
.intro-section .section1 .txt-box .tit span {color: #3e52c4;} 
.intro-section .section1 .txt-box .txt {padding: 35px 0 40px; line-height: 1.65; font-size: 1.2rem;white-space: nowrap;}
.intro-section .section1 .txt-box .txt .num {color: #222222; background: #ececec; padding: 5px 8px; font-size: 1.0rem; border-radius: 3px;}

.intro-section .section2 {position: relative; overflow: hidden;}
.intro-section .section2::after {content: "";background: url(/resources/images/webfront/sub_bg02.jpg) no-repeat center/cover; position: absolute; top: 0; left: 0;width: 100%; height: 830px; z-index: -1;}
.intro-section .section2.aos-animate::after {-webkit-animation: imgani 1.4s;animation: imgani 1.4s; -webkit-animation-fill-mode: forwards; animation-fill-mode: forwards; -webkit-animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1); animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);-webkit-transform: scale(1.1);-ms-transform: scale(1.1);transform: scale(1.1); }
.intro-section .section2 ul {width: 100%; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center;-webkit-box-pack: center;-ms-flex-pack: center;justify-content: center; }
.intro-section .section2 ul li {height: 830px; cursor: pointer; -webkit-box-flex: 1; -ms-flex: 1; flex: 1;-webkit-transition: -webkit-box-flex .3s ease-out;transition: -webkit-box-flex .3s ease-out;-o-transition: flex .3s ease-out;transition: flex .3s ease-out;transition: flex .3s ease-out, -webkit-box-flex .3s ease-out, -ms-flex .3s ease-out; overflow: hidden; position: relative;}

.intro-section .section2 ul li:hover {-webkit-box-flex: 1.1;-ms-flex: 1.1;flex: 1.1;background: rgba(5, 12, 28, .8);}
.intro-section .section2 ul li .wrap {max-width: 420px; margin: 0 auto; position: relative; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center; -webkit-box-align: center; -ms-flex-align: center; align-items: center; height: 100%;}
.intro-section .section2 ul li .tit {display: block;text-align: center;font-size: 2.4vw; white-space: nowrap; color: #fff; font-weight: 600; position: relative; -webkit-transition: -webkit-transform 300ms ease-out; transition: -webkit-transform 300ms ease-out; -o-transition: transform 300ms ease-out; transition: transform 300ms ease-out; transition: transform 300ms ease-out, -webkit-transform 300ms ease-out;}
.intro-section .section2 ul li .tit::before {content: ""; width: 1px; height: 0; background: #8e8e8e; position: absolute; top: 80px; left: 50%; -webkit-transform: translateX(-50%); -ms-transform: translateX(-50%); transform: translateX(-50%); visibility: hidden; -webkit-transition: all 300ms; -o-transition: all 300ms; transition: all 300ms;}
.intro-section .section2 ul li .hide-txt {opacity: 0; -webkit-transform: translateY(0); -ms-transform: translateY(0); transform: translateY(0); height: 0; position: absolute; -webkit-transition: all 200ms ease-out; -o-transition: all 200ms ease-out; transition: all 200ms ease-out;}
.intro-section .section2 ul li:hover .tit {-webkit-transform: translateY(-120px);-ms-transform: translateY(-120px);transform: translateY(-120px);}
.intro-section .section2 ul li:hover .tit::before {visibility: visible; height: 57px;}
.intro-section .section2 ul li:hover .hide-txt {-webkit-transform: translateY(112px);-ms-transform: translateY(112px);transform: translateY(112px); opacity: 1; height: auto; }

.intro-section .section2 ul li .hide-txt p {font-size: 1.125rem; color: #fff; line-height: 1.7;}
.intro-section .section2 ul li .hide-txt p::before {content: ""; width: 5px; height: 5px; background: #fff; border-radius: 50%; display: inline-block; vertical-align: middle; margin-right: 10px;}  

.intro-section .section2 ul li:nth-child(1)::before {content: ""; opacity: 0; width: 1px; height: 0; background: rgba(255, 255, 255, .15); position: absolute; right: 0; top: 0; -webkit-transition: 1.4s ease-in-out; -o-transition: 1.4s ease-in-out; transition: 1.4s ease-in-out;}
.intro-section .section2 ul li:nth-child(2)::before {content: ""; opacity: 0; width: 1px; height: 0; background: rgba(255, 255, 255, .15); position: absolute; right: 0; bottom: 0; -webkit-transition: 1.4s ease-in-out; -o-transition: 1.4s ease-in-out; transition: 1.4s ease-in-out;}
.intro-section .section2.aos-animate ul li:nth-child(1)::before {height: 100%; opacity: 1;}
.intro-section .section2.aos-animate ul li:nth-child(2)::before {height: 100%; opacity: 1;}

@-webkit-keyframes imgani {
  0% {-webkit-transform: scale(1.1);transform: scale(1.1);}
  100% {-webkit-transform: scale(1);transform: scale(1);}
}

@keyframes imgani {
  0% {-webkit-transform: scale(1.1);transform: scale(1.1);}
  100% {-webkit-transform: scale(1);transform: scale(1);}
}

.intro-section .section3 {overflow: hidden; padding-bottom: 149px;}
.intro-section .section3 .wrap { padding: 175px 30px 0;}
.intro-section .section3 .table-scroll {width: 1450px; margin: 0 auto; overflow-x: auto;}
.intro-section .section3 .table-scroll table {min-width: 767px; overflow-x: auto; -ms-touch-action: pan-x; touch-action: pan-x;}
.intro-section .section3 .tit {font-size: 2.938rem; font-weight: 300; text-align: center;}
.intro-section .section3 .tit strong.st1 {font-weight: 600;}
.intro-section .section3 .tit strong.st2 {font-weight: 600; color: #3e52c4;}

.intro-section .section3 table {margin-top: 76px;}
.intro-section .section3 table thead th {padding: 25px 0; background: #eff0f5; text-align: center; color: #222; font-size: 1.13rem; font-weight: 600;}
.intro-section .section3 table thead th.th1 {border-right: 2px solid #fff;}
.intro-section .section3 table thead th.arrow {position: relative;}
.intro-section .section3 table thead th.arrow::after {content: ""; position: absolute; right: 0; top: 50%; width: 0; height: 0; border-top: 37px solid transparent; border-bottom: 37px solid transparent; border-left: 37px solid #eff0f5; -webkit-transform: translate(36px, -50%); -ms-transform: translate(36px, -50%); transform: translate(36px, -50%); -webkit-transition: all .3s; -o-transition: all .3s; transition: all .3s;}
.intro-section .section3 table thead th.th3 {background: #caccdb;}
.intro-section .section3 table tbody tr {border-bottom: 1px solid #d9d9d9;}
.intro-section .section3 table tbody td {padding: 45px 30px;}
.intro-section .section3 table tbody tr td:last-child { padding: 27px 20px 27px 60px;}
.intro-section .section3 table p {font-size: 1.16rem;}
.intro-section .section3 table tbody td p {line-height: 1.7;}
.intro-section .section3 table tbody .td-tit p {text-align: center; font-weight: 600;}

/* ==================== research 연구과제 ========================= */

/* research_view1 */
.research-section h2 {font-size: 2.4rem;font-weight: 300; text-align:center; margin-bottom: 15px;}
.research-section .section1 {padding-top: 40px;}
.research-section .cont {padding: 20px 0 130px;}
.research-section .section3 .cont {padding: 20px 0 0;}

.box-wrap {display: -ms-grid;display: grid; -ms-grid-columns: 1fr 1rem 1fr 1rem 1fr; grid-template-columns: repeat(3, 1fr); grid-auto-rows: minmax(322px, 473px); gap: 1rem;}
.box-wrap li { padding: 70px 56px; position: relative; overflow: hidden; color: #fff; background: #f5f5f5;}
.box-wrap li::before {content: "";  opacity: 0; background: #354db0 !important; width: 675px;height: 675px; position: absolute; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); -ms-transform: translate(-50%, -50%); transform: translate(-50%, -50%); border-radius: 50%;margin-left: -337.5px; margin-top: -337.5px;-webkit-animation: bgout 300ms;animation: bgout 300ms; -webkit-transition: opacity 300ms cubic-bezier(0.39, 0.575, 0.565, 1) 0ms; -o-transition: opacity 300ms cubic-bezier(0.39, 0.575, 0.565, 1) 0ms; transition: opacity 300ms cubic-bezier(0.39, 0.575, 0.565, 1) 0ms;}
/*.box-wrap li:hover::before {opacity: 1; -webkit-animation: bgin 300ms; animation: bgin 300ms; -webkit-transition: opacity 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms, -webkit-transform 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms; transition: opacity 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms, -webkit-transform 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms; -o-transition: opacity 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms, transform 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms; transition: opacity 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms, transform 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms; transition: opacity 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms, transform 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms, -webkit-transform 300ms cubic-bezier(0.23, 1, 0.32, 1) 0ms; -webkit-transform: scale(1); -ms-transform: scale(1); transform: scale(1);} 임시삭제*/
.box-wrap .front {-webkit-transform: translateY(0);-ms-transform: translateY(0);transform: translateY(0);-webkit-transition: -webkit-transform .3s cubic-bezier(0, 0, 0.2, 1);transition: -webkit-transform .3s cubic-bezier(0, 0, 0.2, 1);-o-transition: transform .3s cubic-bezier(0, 0, 0.2, 1);transition: transform .3s cubic-bezier(0, 0, 0.2, 1);transition: transform .3s cubic-bezier(0, 0, 0.2, 1), -webkit-transform .3s cubic-bezier(0, 0, 0.2, 1);}
.box-wrap .front h3 {font-size: 1.93vw; font-weight: 600; line-height: 1.45;}
/*.box-wrap li:hover .front {opacity: 0; height: 0; -webkit-transform: translateY(-8px); -ms-transform: translateY(-8px); transform: translateY(-8px);} 임시삭제*/
.box-wrap .back {opacity: 0; height: 0; -webkit-transform: translateY(0); -ms-transform: translateY(0); transform: translateY(0); -webkit-transition: -webkit-transform .2s ease-in; transition: -webkit-transform .2s ease-in; -o-transition: transform .2s ease-in; transition: transform .2s ease-in; transition: transform .2s ease-in, -webkit-transform .2s ease-in;}
.box-wrap .back p {font-size: 1rem; line-height: 1.45;}
.box-wrap .back p::before {content: ""; width: 3px; height: 3px; background: #fff; border-radius: 50%; display: inline-block; vertical-align: middle; margin-right: 5px;}
/*.box-wrap li:hover .back {opacity: 1; height: auto; -webkit-transform: translateY(-5px); -ms-transform: translateY(-5px); transform: translateY(-5px);} 임시삭제*/ 

.box-wrap .plus-circle {width: 61px; height: 61px; text-align: center; border: 1px solid #fff; border-radius: 50%; position: absolute; bottom: 42px; right: 42px; overflow: hidden; cursor: default;display: none;}
.box-wrap .plus-circle i {font-size: 1.8rem; -webkit-transition: -webkit-transform .3s ease; transition: -webkit-transform .3s ease; -o-transition: transform .3s ease; transition: transform .3s ease; transition: transform .3s ease, -webkit-transform .3s ease; -webkit-transform: rotate(0deg); -ms-transform: rotate(0deg); transform: rotate(0deg); line-height: 60px; display: inline-block;}
.box-wrap li:hover .plus-circle i {-webkit-transform: rotate(225deg);-ms-transform: rotate(225deg);transform: rotate(225deg);}



@-webkit-keyframes bgin {
  0% {opacity: 0; -webkit-transform: scale(0.1); transform: scale(0.1);}
  100% {opacity: 1; -webkit-transform: scale(1); transform: scale(1);}
}

@keyframes bgin {
  0% {opacity: 0; -webkit-transform: scale(0.1); transform: scale(0.1);}
  100% {opacity: 1; -webkit-transform: scale(1); transform: scale(1);}
}
@-webkit-keyframes bgout {
  0% {opacity: 1; -webkit-transform: scale(1); transform: scale(1);}
  100% {opacity: 0; -webkit-transform: scale(1); transform: scale(1);}
}
@keyframes bgout {
  0% {opacity: 1; -webkit-transform: scale(1); transform: scale(1);}
  100% {opacity: 0; -webkit-transform: scale(1); transform: scale(1);}
}

.research1-section .box-wrap .bg1 {background: url(/resources/images/webfront/img01.jpg) no-repeat right 64% top 32%;}
.research1-section .box-wrap .bg2 {background: url(/resources/images/webfront/img02.jpg) no-repeat right 64% top 32%;}
.research1-section .box-wrap .bg3 {background: url(/resources/images/webfront/img03.jpg) no-repeat center;}
.research1-section .box-wrap .bg4 {background: url(/resources/images/webfront/img04.jpg) no-repeat center/cover;}
.research1-section .box-wrap .bg5 {background: url(/resources/images/webfront/img05.jpg) no-repeat left 16% center/cover;}
.research1-section .box-wrap .bg6 {background: url(/resources/images/webfront/img06.jpg) no-repeat top center;}
.research1-section .box-wrap .bg7 {background: url(/resources/images/webfront/img07.jpg) no-repeat center/cover;}
.research1-section .box-wrap .bg8 {background: url(/resources/images/webfront/img08.jpg) no-repeat center/cover;}
.research2-section .box-wrap .bg1 {background: url(/resources/images/webfront/img09.jpg) no-repeat left center/cover;}
.research2-section .box-wrap .bg2 {background: url(/resources/images/webfront/img10.jpg) no-repeat center/cover;}
.research2-section .box-wrap .bg3 {background: url(/resources/images/webfront/img11.jpg) no-repeat center/cover;}
.research2-section .box-wrap .bg4 {background: url(/resources/images/webfront/img12.jpg) no-repeat center/cover;}
.research2-section .box-wrap .bg5 {background: url(/resources/images/webfront/img13.jpg) no-repeat center/cover;}


/* 참여기관 */
.section3 .logo-box { display: -webkit-box; display: -ms-flexbox; display: flex;-ms-flex-flow: wrap;flex-flow: wrap; -webkit-box-pack: start; -ms-flex-pack: start; justify-content: flex-start;}
.section3 .logo-box li {height: 98px;line-height: 98px;text-align: center; -webkit-box-sizing: border-box; box-sizing: border-box;margin: 1px -1px 0 0;}
.section3 .logo-box li a { display: block;border: 1px solid #dbdbdb; padding: 0 15px; cursor: default;}
.section3 .logo-box.item3 li {width: calc(100% / 3);}
.section3 .logo-box.item5 li {width: calc(100% / 5);}

/* ==================== sosic_list 소식 ========================= */

/* tab */
.tab {background: #fff; padding-bottom: 12px; border-bottom: 1px solid #ddd;}
.tab li {color: #8a8a8a; padding: 0 28px; cursor: pointer; font-weight: 700; float: left; height: 31px; line-height: 31px; font-size: 1rem;}
.tab li:first-child {margin-right: 10px;}
.tab li.current { color: #fff; background: #000; border-radius: 15px;}
.tab-content {display: none; padding: 2.5rem 0 0 0;} /*modify*/
.tab-content.current {display: inherit;} 
.hidden-total {display: none; padding-bottom: 10px; border-bottom: 1px solid #cdd2e5;}
.hidden-total p {font-size: 1rem; font-weight: 600; text-align: left; line-height: 1;}
.hidden-total p strong {font-weight: 800; margin: 0 .3em;}

.board {display: -ms-grid;display: grid; -ms-grid-columns: 1fr 3rem 1fr 3rem 1fr; grid-template-columns: repeat(3, 1fr); grid-gap: 4rem 1rem; grid-auto-rows: minmax(430px, auto); }
.board li {overflow: hidden;}
.board .tit-wrap {font-size: 20px; font-weight: 600;  line-height: 1.35; height: 27px;}
.board .tit-wrap .txt { overflow: hidden; -o-text-overflow: ellipsis; text-overflow: ellipsis; white-space: normal;  -webkit-line-clamp: 1; -webkit-box-orient: vertical; display: -webkit-inline-box; max-width: calc(100% - 25px); vertical-align: middle; word-break: break-all; font-family: 'Pretendard';}

.board .new {display: inline-block; vertical-align: middle;}
.board .new::after {content: "N"; font-size: .78rem; display: inline-block; vertical-align: middle; color: #fff; background: #697ef1; width: 19px; height: 19px; border-radius: 15px; line-height: 19px; text-align: center; } /*change*/
.board p {padding: 24px 0 18px; line-height: 1;}
.board p span {font-size: 1.063rem; font-weight: 400; color: #333;}
.board p .subtit {font-weight: 600; position: relative; margin-right: 15px;}
.board p .subtit::after {content: ""; width: 1px; height: 12px; position: absolute; right: -10px;  top: 50%; -webkit-transform: translateY(-50%); -ms-transform: translateY(-50%); transform: translateY(-50%); background: #e6e6e8; cursor: pointer;}
.board .imgbox {overflow: hidden; height: 341px;}
.board .imgbox img {display: block;width: 100%; height: 100%; max-width: 100%; background: #ececec; cursor: pointer; -webkit-transition: -webkit-transform .5s; transition: -webkit-transform .5s; -o-transition: transform .5s; transition: transform .5s; transition: transform .5s, -webkit-transform .5s; -webkit-transform: scale(1); -ms-transform: scale(1); transform: scale(1);}
.board li:hover img {-webkit-transform: scale(1.1); -ms-transform: scale(1.1); transform: scale(1.05);}
.btn-style1 {display: block; margin:50px auto 0 auto; border: 1px solid #ddd; width:370px; height: 53px; line-height: 53px; text-align: center; color: #000; font-size: 1rem; font-weight: 500; -webkit-transition: all .3s ease; -o-transition: all .3s ease; transition: all .3s ease; cursor: pointer; letter-spacing:-0.5px;} /*change*/
.btn-style1:hover {background: #455fee; color: #fff; border-color: #455fee;}
.page-num {font-weight: 600;}

/* =============== sosic_view 소식 ================ */

.util-wrap {height: 31px; padding-bottom: 22px; border-bottom: 1px solid #dfe0e1; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between; -webkit-box-align: center; -ms-flex-align: center; align-items: center;}
.util-wrap button {display: inline-block; font-size: 1.6rem; color: #010101;}
.util-wrap .prev-btn {font-size: 1.85rem;}
.util-wrap h2 {font-size: 1.875rem; padding-bottom: 20px;}

.board-inner {width: 900px; margin: 0 auto; padding: 92px 0 0;}
.board-inner .tit {font-size: 1.8rem;}
.board-inner .sub {padding: 28px 0 30px;}
.board-inner .sub span {font-size: 1.063rem; font-weight: 400; color: #333;}
.board-inner .subtit {font-weight: 600; position: relative; margin-right: 15px;}
.board-inner .subtit::after {content: ""; width: 1px; height: 12px; position: absolute; right: -10px;  top: 50%; -webkit-transform: translateY(-50%); -ms-transform: translateY(-50%); transform: translateY(-50%); background: #e6e6e8;}
.board-inner .img {overflow: hidden;}
.board-inner .img img {display: block;width: 100% !important;  }/*modify*/
.board-inner .img img ~ img {margin-top: 30px;}
.board-txt {padding: 37px 0 97px; line-height: 2.0; letter-spacing: -0.25px;}
.board-txt p {font-size: 1.063rem; line-height: 1.6; margin-bottom: 20px;} 
.board-txt p strong{font-weight:600;}
.board-inner pre {overflow: auto; white-space: pre-wrap; word-break: break-all;}
.board-inner pre code {font-size: 1.063rem; line-height: 1.6;}
.board-inner .box + .box {margin-top: 37px;}
.board-inner .box strong {font-size: 1.063rem; font-weight: 600; margin-bottom: 12px; display: inline-block;}
.board-inner .cover {padding: 0 12px; height: 50px; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between; border: 1px solid #e5e5e5; overflow: hidden;} 
.attach .file-info {overflow: hidden; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; cursor:default}
.attach .file-info .txt, 
.attach .file-info .extension {font-size: 15px; color: #323232;}
.attach .file-info .txt::before {content: "\ea8d"; font-family: 'xeicon'; font-size: 1.2rem; color: #4d4d4d; vertical-align: middle; display: inline-block; margin-right: 7px;}
.attach .file-info .txt {max-width: 83%; overflow: hidden; -o-text-overflow: ellipsis; text-overflow: ellipsis; white-space: nowrap; display: inline-block;}
.attach .file-info .unit {font-size: 15px; color: #b3b3b3; margin-left: 19px; font-weight: 300;}
.attach .down-btn i {color: #bebebe; font-size: 1.3rem; display: inline-block;vertical-align: middle;}

.attach-file-warp { border-bottom: 1px solid #d9d9d9; }
.attach-file {position: relative; width: 74px;}
.attach-file .file-panel {display: inline-block; background: #000; cursor: pointer; width: inherit; height: 31px; line-height: 31px; color: #fff; text-align: center; font-size: 13px; margin-bottom: 7px;}
.attach-file input {position: absolute; left: -9999px;}
.file-name { display: inline-block; width: calc(100% - 78px); color: #555; font-size: 13px; vertical-align: bottom;}

/* ==================== 반응형 ========================= */
@media screen and (min-width:1921px) and (max-width:2560px) {
  .box-wrap .front h3 {font-size: 2.23rem;}
}

@media screen and (max-width:1477px) {
  /*header*/
  .headerWrap {width: 100%; padding: 0 30px;height: 75px;}

  /*common*/
  .contents {width: 100%; padding: 57px 30px 153px;}

  /*intro 소개*/
  .intro-section .section1 {padding: 0 50px; gap: 2.5rem;}
  .intro-section .section1 .txt-box .tit {font-size: 2rem;}
  .intro-section .section2 ul li {height: 650px;}
  .intro-section .section2 ul li .hide-txt p {font-size: 1rem;}
  .intro-section .section3 .wrap { padding: 100px 30px 0;}
  .intro-section .section3 .tit {font-size: 2.5rem;}
  .intro-section .section3 .table-scroll {width: 100%;}
  .intro-section .section3 table {margin-top: 50px;}
  .intro-section .section3 table tbody td p {line-height: 1.5;}
  .intro-section .section3 table tbody td {padding: 20px;}
  .intro-section .section3 table tbody tr td:last-child {padding: 20px 20px 20px 40px;}

  /* research 연구과제 */
  .box-wrap .front h3 {font-size: 1.8vw;} 
  .visual .both-bg-box .box { padding: 67px 60px;}
}


@media screen and (max-width:1256px) {
  /*header*/
  .gnb li {margin-left: 56px;}
  .gnb li a {font-size: 1.1rem;}
  
  /*visual*/
  .visual .top-box {height: auto; padding: 80px 0 30px 0;}
  .visual.sosic .top-box {height: auto; }
  .visual .top-box .txt {font-size: 2.1rem;}
  .visual .top-box .txt.bottom {padding-bottom: 45px;}
  .visual .top-box .sub-txt {padding-bottom: 0;}
  .visual .bg-box {height: 400px; }
  .visual.intro .bg-box::after, .visual.research1 .bg-box::after, .visual.research2 .bg-box::after {height: 400px;}
  .visual .bg-box .txt p {font-size: 1.1rem; }
  .visual .both-bg-box {height: 400px;}
  .visual .both-bg-box .box .tit {white-space: pre;}
  .visual.research1 .bg-box::after {background-position-y: -36px;}
  .visual.research2 .bg-box::after {background-position-x: center;}

  /*intro 소개*/
  .intro-section .section2 ul li {height: 600px; padding: 0 30px;-webkit-transition: background .3s;-o-transition: background .3s;transition: background .3s;}
  .intro-section .section2 ul li .wrap {min-width: 100%;width: 100%;-webkit-box-orient: vertical;-webkit-box-direction: normal;-ms-flex-direction: column;flex-direction: column; gap: 45px; }
  .intro-section .section2 ul li .tit::before {visibility: visible;top: 48px;height: 19px;}
  .intro-section .section2 ul li .hide-txt {opacity: 1; -webkit-transform: translateY(0); -ms-transform: translateY(0); transform: translateY(0); height: auto; visibility: visible; position: unset;}
  .intro-section .section2 ul li:hover {-webkit-box-flex: 1;-ms-flex: 1;flex: 1;}
  .intro-section .section2 ul li:hover .tit {-webkit-transform: translateY(0);-ms-transform: translateY(0);transform: translateY(0);}
  .intro-section .section2 ul li:hover .tit::before {visibility: visible; height: 19px;}
  .intro-section .section2 ul li:hover .hide-txt {-webkit-transform: translateY(0);-ms-transform: translateY(0);transform: translateY(0); visibility: visible;}

  .intro-section .section2 ul li .hide-txt p {font-size: 1rem; color: #b5b5b5; line-height: 1.7; text-align: center;}
  .intro-section .section2 ul li .hide-txt p::before {content: ""; width: 5px; height: 5px; background: #b5b5b5; border-radius: 50%; display: inline-block; vertical-align: middle; margin-right: 5px;}  

  .intro-section .section3 table thead th{font-size:1rem;}
  .intro-section .section3 table p{font-size:1rem;}
  
  /* research 연구과제 */
  .research-section .section1 {padding-top: 0;}
  .research-section h2 {font-size: 2rem;}
  .box-wrap {-ms-grid-columns: (1fr)[2];grid-template-columns: repeat(2, 1fr);grid-auto-rows: minmax(322px, 350px);}
  .box-wrap li {padding: 40px;}
  .box-wrap .front h3 {font-size: 1.8rem; } 

  .side-motion .left {width: 0}
  .side-motion .right {width: 0;}
  @-webkit-keyframes ani-side {
    0% {width: 0;}
    100% {width: 0;}
  }
  @keyframes ani-side {
    0% {width: 0;}
    100% {width: 0;}
  }
  
}


@media screen and (max-width:1024px) {
  /*intro 소개*/
  .intro-section .section1 {-webkit-box-orient: vertical;-webkit-box-direction: reverse;-ms-flex-direction: column-reverse;flex-direction: column-reverse; height: auto; padding: 50px; }
  .intro-section .section1 .txt-box {display: -webkit-box;display: -ms-flexbox;display: flex; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column; text-align: center;}
  .intro-section .section1 .txt-box img.mark {width: 21%; margin: auto;}
  .intro-section .section1 .img-box {width: 44%;}
  .intro-section .section1 .txt-box .txt {padding: 30px 0;}
  .intro-section .section2 ul li .hide-txt p {font-size: 0.95rem;}
  .intro-section .section2 ul li .tit::before {top: 40px;}
  .intro-section .section3 {padding-bottom: 100px;}
  .intro-section .section3 table thead th {font-size: 1rem;}
  .intro-section .section3 table p { font-size: 1rem;}

  /*sosic 소식*/
  .board {grid-gap: 2.7rem 1.3rem; -ms-grid-columns: 1fr 1.3rem 1fr; grid-template-columns: repeat(2, 1fr); grid-auto-rows: minmax(322px,auto);}
  .board .tit-wrap {font-size: 1.125rem; height: auto;}
  .board p {padding: 18px 0 13px;}
  .board p span {font-size: 1rem;}
  .board img {height: 300px;}
  .board-inner {width: 100%;}
}

@media screen and (max-width:890px) {
  /*header*/
  .gnb {display: none;}
  header .hd-sitemap {margin-left: 0;}
  header .select-wrap {display: none;}
  .headerWrap .logo, header.fixed .logo {background-size: 90%;}

  /*common*/
  .contents {padding: 57px 30px 140px;}

  /*intro 소개*/
  .intro-section .section2 ul li .tit {margin:0 auto;}
  .intro-section .section2 ul li .hide-txt{margin:0 auto;}
  
  .intro-section .section3 table thead th {padding: 15px;}
  .intro-section .section3 table thead th.arrow::after {border-top: 25px solid #0000; border-bottom: 25px solid #0000; border-left: 25px solid #eff0f5; -webkit-transform: translate(24px, -50%); -ms-transform: translate(24px, -50%); transform: translate(24px, -50%);}
  .intro-section .section3 table tbody td {padding: 15px;}
  .intro-section .section3 table tbody tr td:last-child {padding: 15px 15px 15px 30px;}
  
  /* research 연구과제 */
  .intro-section .section1 .txt-box .tit {font-size: 1.8rem;}
  .intro-section .section1 .txt-box .txt {font-size: 1rem;}
  .intro-section .section2 ul {-webkit-box-orient: vertical;-webkit-box-direction: normal;-ms-flex-direction: column;flex-direction: column; -webkit-box-align: start; -ms-flex-align: start; align-items: flex-start; padding: 50px 0px 30px 0px; gap: 40px;}
  .intro-section .section2 ul li {width: 100%; height: auto; padding: 0 0 30px 0; cursor: default; border-bottom: 1px solid rgba(255, 255, 255, .15);}
  .intro-section .section2 ul li:nth-child(1)::before {content: none;}
  .intro-section .section2 ul li:nth-child(2)::before {content: none;}
  .intro-section .section2 ul li:last-child {border-bottom: 0;}
  .intro-section .section2 ul li .wrap {-webkit-box-align: start;-ms-flex-align: start;align-items: flex-start; gap: 10px;}
  .intro-section .section2 ul li .tit::before {content: none;}
  .intro-section .section2 ul li:hover {background: none;}
  .intro-section .section2 ul li .tit {font-size: 1.8rem;}

  /*visual*/
  .bg-box .keyword {width: 100%;margin-top: 20px; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column; -webkit-box-align: center; -ms-flex-align: center; align-items: center; gap: 8px; padding: 17px;}
  .bg-box .keyword .tit {padding-right: 0;}
  .bg-box .keyword span {font-size: .9rem; white-space: nowrap; line-height: 1.5; margin: 0 6px;}
  .bg-box .keyword .tit::after {content: none;}
  .bg-box .keyword em {display: -webkit-box;display: -ms-flexbox;display: flex; -ms-flex-line-pack: center; align-content: center; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center; -ms-flex-wrap: wrap; flex-wrap: wrap;}

  /*research 연구과제*/
  .visual .both-bg-box {-webkit-box-orient: vertical;-webkit-box-direction: normal;-ms-flex-direction: column;flex-direction: column; height: 600px;}
  .visual .both-bg-box .box {width: 100%; padding: 30px;}
  .visual .both-bg-box .box .tit {font-size: 1.35rem;}
  .visual .both-bg-box .box .num {font-size: 1rem;}
  .visual .both-bg-box .box .date {font-size: 1rem;}
  .visual .both-bg-box .box::before {height: 300px;}
  
  /*sosic 소식*/
  .tab-content {padding: 3rem 0 0 0;}
  
  /*관련사이트*/
  .hidden-select-wrap {display: -webkit-box;display: -ms-flexbox;display: flex;}
}

/* tablet */
@media screen and (max-width:834px) {
  
  /*common*/
  .contents {padding: 40px 30px 100px;} 

  /*visual*/
  .visual .top-box .sub-txt {width: 90%;}
  .visual .top-box .sub-txt em {margin-right: 20px;}
  .visual .top-box .sub-txt em::after {right: -12px;}
  .visual .top-box .txt {font-size: 1.8rem;}
  .visual .bg-box .txt p {font-size: 1rem; line-height: 1.6;}
  .visual.research1 .bg-box::after {background-attachment: unset; background-position: left 51% bottom;}
  .visual.research2 .bg-box::after {background-attachment: unset; background-position: center;}

  /*intro 소개*/
  .intro-section .section3 .wrap {padding: 55px 30px 0;}
  .intro-section .section3 .tit {font-size: 1.7rem;}
  .intro-section .section3 table {margin-top: 30px;} 

  /*research 연구과제*/
  .research-section h2 {font-size: 1.7rem;}
  .research-section .cont {padding: 30px 0 60px;}
  .research-section .section1 .cont {padding: 30px 0 60px;}
  .research1-section .box-wrap .bg6 {background-position-y: center;}
  .box-wrap {-ms-grid-columns: (1fr)[1];grid-template-columns: repeat(1, 1fr); grid-auto-rows: minmax(250px, auto);}
  .box-wrap li {display: -webkit-box;display: -ms-flexbox;display: flex; -webkit-box-orient: vertical; -webkit-box-direction: normal; -ms-flex-direction: column; flex-direction: column; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between; gap: 17px; padding: 30px;}
  .box-wrap li::before {content: none;}
  .box-wrap li:hover .front {height: auto; opacity: 1; visibility: visible; -webkit-transform: translateY(0); -ms-transform: translateY(0); transform: translateY(0);}
  .box-wrap li:hover .back {-webkit-transform: translateY(0);-ms-transform: translateY(0);transform: translateY(0);}
  .box-wrap .front h3 {line-height: 1.3; font-size: 1.6rem;}
  .box-wrap .back {opacity: 1; height: auto; visibility: visible;}
  .box-wrap .back p::before {content: none;}
  .box-wrap .plus-circle {display: none;}
  .research1-section .box-wrap .bg1,  .research1-section .box-wrap .bg2 {background-size: cover; }
  .section3 .logo-box li {height: 70px; line-height: 70px;}

  /*sosic 소식*/
  .board .imgbox {height: 300px;}
  .util-wrap .print-btn {display: none;}
  .board-inner .tit {font-size: 25px; line-height: 1.6; font-weight: 600;}
  .board-inner {padding: 50px 0 0 0;}
  .board-inner .sub {padding: 15px 0 20px;}
  .board-inner .board-txt {font-size: .9375rem; line-height: 1.9; padding: 37px 0;}
  .btn-style1 {display: block; width: 100%;} /*change*/
  .util-wrap { position: relative;}
  .util-wrap h2 {font-size: 1.563rem; position: absolute; left: 50%; bottom: 11px; -webkit-transform: translateX(-50%); -ms-transform: translateX(-50%); transform: translateX(-50%); padding-bottom: 0; font-weight: 600;}
  .board-inner .tit {font-size: 1.3rem;}
  .board-txt p {font-size: 1rem;}
  .board-inner pre code {font-size: 1rem;}

  .register li {-webkit-box-orient: vertical;-webkit-box-direction: normal;-ms-flex-direction: column;flex-direction: column; line-height: 38px;}
  .register .title {margin-right: 0;}
  .register-group {display: block; height: 43px;}
  .attach-wrap {display: none;}
  .hidden-attach {display: block;}
}

@media screen and (max-width:600px) {
  /*visual*/
  .visual .top-box .txt {font-size: 1.5rem; font-weight: 500;}
  .visual .top-box .txt strong {font-weight: 700;}

  /* intro 소개 */
  .intro-section .section1 {padding: 50px 20px; }
  .intro-section .section1 .img-box {width: 50%;}
  .intro-section .section1 .txt-box .tit {white-space: normal;font-size: 1.7rem;}
  .intro-section .section1 .txt-box .txt {white-space: normal; font-size: 1rem; font-weight: 500; padding: 20px 0 25px;}

  /* research 연구과제 */
  .section3 .logo-box.item3 li {width: 100%;}
  .section3 .logo-box.item5 li {width: 100%;}

  /*sosic 소식*/
  .tab-content {padding: 2.3rem 0 0 0;}
  .board {grid-gap: 3rem; -ms-grid-columns: 1fr; grid-template-columns: repeat(1, 1fr); grid-auto-rows: minmax(360px,auto);}  
  .board .tit-wrap {font-size: 1.2rem;}
  .board p {padding: 15px 0 10px;}
  .board p span {font-size: 15px;}
  .board img {height: 313px;}
}

/* mobile */
@media screen and (max-width:500px) {
  /*header*/    
  .headerWrap {padding: 0 20px;} 
  .headerWrap .logo, header.fixed .logo {background-size: 70%;}

  /*common*/
  .contents {padding: 40px 20px 100px;}
  
  /*visual*/
  .visual .bg-box {padding: 0 20px;}
  .visual .bg-box .txt p {line-height: 1.5;}

  /* intro 소개 */
  .intro-section .section1 .txt-box .txt {font-size: .95rem;}
  .intro-section .section2 ul {padding: 50px 20px;}
  .intro-section .section2 ul li .tit {font-size: 1.5rem;}
  .intro-section .section3 .wrap {padding: 55px 20px 0;}
  .intro-section .section3 .tit {font-size: 1.5rem; font-weight: 600;}

  /* research 연구과제 */
  .visual .both-bg-box .box {padding: 30px 20px;}
  .research-section h2 {font-size: 1.5rem;}
  .research-section .cont {padding: 15px 0 50px;}
  .box-wrap li {padding: 30px 20px;}
  .box-wrap .front h3 {font-size: 1.3rem;}
  .box-wrap .back p {font-size: .95rem;}

  /* sosic 소식 */
  .tab {display: none;}
  .hidden-total {display: block;}
  .board-inner .box strong {font-size: .95rem;}
  .attach .file-info .unit {font-size: .7rem; margin-right: 3px;}
  .util-wrap h2 {font-size: 1.2rem;}
  .register-group input::-webkit-input-placeholder {font-size: .85rem;}
  .register-group input::-moz-placeholder {font-size: .85rem;}
  .register-group input:-ms-input-placeholder {font-size: .85rem;}
  .register-group input::-ms-input-placeholder {font-size: .85rem;}
  .register-group input,
  .register-group input::placeholder {font-size: .85rem;}
  .btn-style1 {margin-top: 35px; height: 50px; line-height: 50px;}

}