header.hiddenmenu{
  position:fixed;
  z-index: 99;
  width: 1805px;
  background-color: #fff;
  border-bottom: 1px solid #dcdcdc;
  animation: set_fixed_official_gnb .4s linear both;
}
@keyframes headerdown{
  0%{
    transform: translateY(-40px);
    opacity: 0;
  }
  100%{
    transform: translateY(0px);
    opacity: 1;
  }
}
header.hiddenmenu .wrap {
}
@keyframes widthfull{
  100%{
    width: 100%;
  }
}
header.hiddenmenu .wrap nav {
  /*! display: flex; */
  /*! justify-content: space-between; */
  
  align-items: center;
  width: 1070px;
  height: 100%;
  display: grid;
  grid-template-columns: 194px auto 299px;
  grid-template-rows: 57px;
  /*! column-gap: 0px; */
}
header.hiddenmenu .logo_history{
  width: 100%;
  /*! position: relative; */
  /*! display: none; */
  grid-column: 1;
  grid-row: 1;
  /*! padding-right: 50px; */
}
header.hiddenmenu .logo_history h1 {
  width: fit-content;
  padding: 0px;
  padding-right: 50px;
}
header.hiddenmenu .logo_history h1 a {
  color: transparent;
  background: url(../img/logo.png) no-repeat center;
  width: 100%;
  display: inline-block;
  line-height: 75px;
  grid-column: 1;
  grid-row: 1;
  height: 40px;
  width: 144px;
  background-image: url(../img/logo.png);
  background-size: contain;
  padding-top: 8px;
}
header.hiddenmenu .history_museum {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  display: none;
}
header.hiddenmenu .history_museum a {
  display: inline-block;
  overflow: hidden;
  position: relative;
  padding: 12px 24px;
  border: 2px solid #00acec;
  border-radius: 22px;
  background: linear-gradient(to right, #00acec 0%, #00acec 50%, #fff 50%, #fff 100%) no-repeat 100% center / 210% 100%;
  color: #00acec;
  font-weight: 500;
  font-size: 16px;
  letter-spacing: -0.04em;
  line-height: 1;
  box-sizing: border-box;
  transition: background-position .4s linear, color .4s .1s linear;
}
header.hiddenmenu .history_museum a:hover {
  color: #fff; 
  background-position: 0;
}
header.hiddenmenu .history_museum a span{
  position: relative;
  z-index: 10;
  padding-right: 24px;
  background: url(../img/icon_history_museum.png) no-repeat right center;
  transition: background-image .4s .2s linear;
}
header.hiddenmenu .history_museum a:hover span {
  background-image: url(../img/icon_history_museum_active.png);
}
header.hiddenmenu .wrap nav ul.gnb {
  width: 100%;
  font-size: 13px;
}
header.hiddenmenu .wrap nav ul.gnb li {
  box-sizing: border-box;
  display: inline-block;
  outline-width: 0;
  padding: 0 20px;
  min-height: 1px !important;
}
header.hiddenmenu .wrap nav ul.gnb li a{
  width: 100%;
  display: block;
  position: relative;
  height: 13px;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.8px;
  font-weight: 576;
  color: #464545;
  background-position: 0 0;
}
header.hiddenmenu .wrap nav ul.gnb li:nth-child(1) a{
  width: 73px;
  background-position: 0 0;
}
header.hiddenmenu .wrap nav ul.gnb li:nth-child(2) a{
  width: 120px;
  background-position: -203px 0;
}
header.hiddenmenu .wrap nav ul.gnb li:nth-child(3) a{
  width: 30px;
  background-position: -450px 0;
}
header.hiddenmenu .wrap nav ul.gnb li:nth-child(4) a{
  width: 145px;
  background-position: -616px 0;
}
header.hiddenmenu .wrap nav ul.gnb li a:hover::after{
  position: absolute;
  right: 0;
  bottom: -10.5px;
  left: 0;
  height: 3px;
  background: #4576e8;
  content: "";
  transition: background .2s ease;
}
/* 기타메뉴 */
header .wrap nav ul.enb {
  width: 214px;
  position: relative;
  align-items: center;
  grid-column: 3;
  grid-row: 1;
  height: 37px;
  display: block;
  display: flex;
}
header.hiddenmenu .wrap nav ul.enb>li:nth-child(1)::after{
  content:"";
  width: 72px;
  height: 1px;
  border-bottom: 1px solid #d6d6d6;
  display: block;
  transform: translateX(-3px);
  position: absolute
}
header.hiddenmenu .wrap nav ul.enb>li:nth-child(3)::after{
  content:"";
  width: 42px;
  height: 1px;
  border-bottom: 1px solid #d6d6d6;
  display: block;
  transform: translateX(15px);
  position: absolute
}
header.hiddenmenu .wrap nav ul.enb>li:nth-child(4)::after{
  content:"";
  width: 64px;
  height: 1px;
  border-bottom: 1px solid #d6d6d6;
  display: block;
  transform: translateY(0.5px) translateX(15.7px);
  position: absolute;
  right: 4px;
  top: 18px;
}
header.hiddenmenu .wrap nav ul.enb>li:nth-child(4) a:nth-child(2){
 right: -23px;
  top: 2px;
}
header .wrap nav ul.enb>li a {
  line-height: 2;
  display: inline-block;
  position: relative;
  font-weight: 590;
  font-size: 8.7px;
  letter-spacing: 0.4px;
  color: #777777a1;
}
/* language hover */
.languagehover {
  position:absolute;  
  left:20px;     
  background:#fff; 
  box-sizing:border-box;
  flex-direction: column;
  width: 66px;
  top: 22px; 
  padding: 5px 0;
  border: 1px solid #d7d6d6;
  border-top-width: 1px;
  border-top-style: solid;
  border-top-color: rgb(215, 214, 214);
  border-top: 0;
  background: #fff;
  box-sizing: border-box;
  z-index: 99;
}
.languagehover li {
  float:none;padding:5px 0;border:0;
  float: none;
  border: 0;
}
.languagehover a {
  width:100%; 
  height:10px;
  background:none; 
  opacity: 0.6; 
  filter: alpha(opacity=60); 
  font-size: 8px; 
  color: #b1b1b1; 
}
.languagehover a.ko {background:url(../img/gng_lang_ko.png) no-repeat 9px center;}
.languagehover a.en {background:url(../img/gng_lang_en.png) no-repeat 9px center;}
.languagehover a.ja {background:url(../img/gng_lang_ja.png) no-repeat 9px center;}
.languagehover a.ch {background:url(../img/gng_lang_ch.png) no-repeat 9px center;}
.languagehover a:hover,
.languagehover a:active,
.languagehover a:focus,
.languagehover a.on {opacity:1; filter: alpha(opacity=100);}


/* wgnb */
header.hiddenmenu .wrap nav .wgnb{
  background-color: #1253fa;
  width: calc(100vw - 17px);
  position: absolute;
  left: 0;
  right: 0;
  top: 58px;
  z-index: 2;
  height: 270px;
  overflow: hidden;
  max-width: 1805px;
}
header.hiddenmenu .wrap nav .wgnb::before{
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: calc(100% - 210px);
  height: 100%;
  background-color: #1554ed;
  margin-left: 105px;
}
header.hiddenmenu .wrap nav .wgnb .wsub{
  position: relative;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  width: 1200px;
  height: 100%;
  margin-left: 350px;
  margin-right: 350px;
}
header.hiddenmenu .wrap nav .wgnb .wsub ul{
  height: 100%; 
}
a{
  color: white;
}
header.hiddenmenu .wrap nav .wgnb .wsub:not(:first-child){
  display: none;
}
header.hiddenmenu .wrap nav .wgnb .wsub > ul > li > a:hover,header.hiddenmenu .wrap nav .wgnb .wsub > ul > li > span:hover{
  color: #31ffe9;
}
header.hiddenmenu .wrap nav .wgnb .wsub > ul > li > a{
  display: block;
  height: 69px;
  text-align: left;
  padding-top: 35px;
  box-sizing: border-box;
  color: #fff;
  font-weight: 400;
  font-size: 15px;
  vertical-align: top;
  letter-spacing: .05em;
}
/* wsub */
header.hiddenmenu .wsub ul li{
  padding-left: 18px;
  /*! height: 100%; */
}
header.hiddenmenu .wsub ul li span{
  color: #c0d2fcc7;
  font-size: 13px;
  text-align: left;
  line-height: 1.3;
  padding-top: -159px;
  height: 20px;
}
/* company */
header.hiddenmenu .company{
  display: grid;
  grid-template-columns: repeat(7, 150px);
  grid-template-rows: repeat(3, auto);
  grid-row-border: 1px solid black;
}
header.hiddenmenu .company li::before{
  width: 24px;
  height: .5px;
  background: #ffffff9c;
  content: "";
  display: block; 
  margin-bottom: 6px;
  margin-top: 21px;
  z-index: 99;
  position: absolute;
}
header.hiddenmenu .company li:nth-child(-n+3) a{
  position: absolute;
}
header.hiddenmenu .company li a{
  padding-top: 33px !important;;
  height: 65px !important;
}

header.hiddenmenu .company li:nth-child(1){
  grid-column: 1;
  grid-row: 1;
  height: 90px;
}
header.hiddenmenu .company li:nth-child(2){
  grid-column: 1;
  grid-row: 2;
  height: 90px;
}
header.hiddenmenu .company li:nth-child(3){
  grid-column: 1;
  grid-row: 3;
  height: 90px;
}
header.hiddenmenu .company li:nth-child(4){
  grid-column: 2;
  grid-row: 1 / span 3;
}
header.hiddenmenu .company li:nth-child(n+4){
  display: flex;
  flex-direction: column;
  border-left: .5px solid #ffffff3d; 
}
header.hiddenmenu .company li:nth-child(n+4) a:first-child{
  grid-column: 1;
  grid-row: 1;
}
header.hiddenmenu .company li:nth-child(n+4) a:nth-child(2){
  grid-column: 1;
  grid-row: 2;
  font-size: 13px;
  padding-top: 20px;
  letter-spacing: .5px;
  line-height: 1.5;
  color: #ffffffb2;
}
header.hiddenmenu .company li:nth-child(5){
  grid-column: 3;
  grid-row: 1 / span 3;
}
header.hiddenmenu .company li:nth-child(6){
  grid-column: 4;
  grid-row: 1 / span 3;
}
header.hiddenmenu .company li:nth-child(7){
  grid-column: 5;
  grid-row: 1 / span 3;
}
header.hiddenmenu .company li:nth-child(8){
  grid-column: 6;
  grid-row: 1 / span 3;
}
header.hiddenmenu .company li:nth-child(9){
  grid-column: 7;
  grid-row: 1 / span 3;
}
/* social */
header.hiddenmenu .social {
  display: grid;
  grid-template-columns: repeat(3, 295px);
  grid-template-rows: 62px auto;
  height: 270px;
  padding-left: 192px;
}
header.hiddenmenu .social li:nth-child(2n+1):before{
  content: "";
  width: 30px;
  height: 1px;
  background-color: #ffffffcf;
  margin-top: 21px;
  display: block;
}
header.hiddenmenu .social li:nth-child(n+3){
  border-left: 1px solid #cecece4f;
}
header.hiddenmenu .social li:nth-child(1){
  grid-column: 1;
  grid-row: 1;
}
header.hiddenmenu .social li:nth-child(2){  
  grid-column: 1;
  grid-row: 2;
  height: 125px;
}
header.hiddenmenu .social li:nth-child(3){
  grid-column: 2;
  grid-row: 1;
}
header.hiddenmenu .social li:nth-child(4){
  grid-column: 2;
  grid-row: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr;
}
header.hiddenmenu .social li:nth-child(5){
  grid-column: 3;
  grid-row: 1;
}
header.hiddenmenu .social li:nth-child(6){
  grid-column: 3;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.5;
}
header.hiddenmenu .social li a{
  line-height: 2.3;
  padding-top: 0px !important;
}
header.hiddenmenu .social li span{
  padding-top: 
}
/* esg */
header.hiddenmenu .esg{
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-template-rows: auto 1fr;
}
header.hiddenmenu .esg li{
  display: flex;
  flex-direction: column;
}
header.hiddenmenu .esg li a{
  padding-top: 35px;
  padding-bottom: 37px;
}
header.hiddenmenu .esg li a:before{
  content: "";
  top: 20px;
  position: absolute;
  width: 25px;
  height: 1px;
  background-color: #ffffffad;
}
header.hiddenmenu .esg .sub_1{
  grid-column: 1;
  grid-row: 1;
}
header.hiddenmenu .esg .sub_2{
  grid-column: 2;
  grid-row: 1;
}
header.hiddenmenu .esg .sub_3{
  grid-column: 3;
  grid-row: 1;
}
header.hiddenmenu .esg .sub_4{
  grid-column: 4;
  grid-row: 1;
}
header.hiddenmenu .esg .sub_5{
  grid-column: 5;
  grid-row: 1;
}
header.hiddenmenu .esg .sub_5 a{
}
header.hiddenmenu .esg .sub_6{
  grid-column: 6;
  grid-row: 1;
}
header.hiddenmenu .esg .sub_7{
  grid-column: 7;
  grid-row: 1;
}
header.hiddenmenu .esg span{
  padding-top: 4px;
}
header.hiddenmenu .esg .sub_5 span:first-child{
  padding-top: 20px;
}

header.hiddenmenu .customer li{
  display: grid;
  grid-template-columns: 220px 220px;
  grid-template-rows: 70px 70px auto;
  margin-left: 325px;
}
header.hiddenmenu .customer li a{
  padding-top: 20px;
  line-height: 1.3;
}
header.hiddenmenu .customer li a:nth-child(n+4), header.hiddenmenu .customer li span{
  padding-top: 10px;
  border-left: 1px solid #ffffff3b;
  padding-left: 20px;
}
header.hiddenmenu .customer li a:before{
  content: "";
  width: 20px;
  height: 1px;
  background-color: #ffffff96;
  margin-bottom: 11px;
  display: block;
}
header.hiddenmenu .customer a:nth-child(2){
  grid-column: 1;
  grid-row: 2;
}
header.hiddenmenu .customer a:nth-child(3){
  grid-column: 1;
  grid-row: 3;
}
header.hiddenmenu .customer a:nth-child(4){
  grid-column: 2;
  grid-row: 1;
}
header.hiddenmenu .customer a:nth-of-type(5){
  grid-column: 2;
  grid-row: 3;
}
header.hiddenmenu .customer span:nth-of-type(1){
  grid-column: 2;
  grid-row: 2;
}
header.hiddenmenu .customer span:nth-of-type(2){
  padding-top: 30px;
  grid-column: 2;
  grid-row: 2;
}