html, body {
	width: 100%; 
	height: 100%;
}

body {
	background: url(/images/contents/his_intro_bg.jpg) no-repeat center center; 
	background-size: cover;
}
.wrap_con {
	width: 100%;
	height: 100vh;
	position: relative;
	overflow-x: hidden;
}
.his_intro {
	width: 100%; 
	display: flex; 
	align-items: center; 
	justify-content: center; 
	position: absolute; 
	top: 0;
	left: 0;
	height: 100%;
	transition: transform 0.9s ease-out;
}
.his_intro.hide {
	transform: translateX(-100%);
}
h2.logo {
	position: absolute; 
	top: 30px; 
	left: 50px;
	z-index: 1000;
}
.his_intro_scroll {
	position: absolute;
	bottom: 60px; 
	left: 50%; 
	transform: translateX(-50%); 
	font-family: 'TiroD'; 
	font-size: 14px; 
	color: #fff; 
	padding-top: 45px;
}
.his_intro_scroll span {
	position: absolute; 
	top: 0; 
	left: 50%; 
	transform: translateX(-50%); 
	width: 18px; 
	height: 30px; 
	border: 2px solid #fff; 
	border-radius: 18px; 
	box-sizing: border-box;
}
.his_intro_scroll span::before {
	position: absolute; 
	top: 5px; 
	left: 50%; 
	margin-left: -1px; 
	width: 2px; 
	height: 4px; 
	background: #fff; 
	content: '';
	animation: scroll 0.3s linear 0s infinite alternate;
}
@keyframes scroll {
	0% {
		top: 5px;
	}
	
	100% {
		top: 8px;
	}
}
.intro_txt {
	text-align: center;
}
.intro_txt * {
	font-family: 'Noto Serif KR'; 
	color: #fff;
}
.intro_txt h3 {
	font-size: 60px; 
	font-weight: 600; 
	margin-bottom: 25px;
	line-height: 1;
	opacity: 0;
	animation: intro_txt 1.5s 0s 1 forwards;
}
.intro_txt p {
	font-size: 24px; 
	font-weight: 500;
	opacity: 0;
	animation: intro_txt02 1.5s 0s 1 forwards;
	animation-delay: 1s;
}
.intro_txt span {
	font-size: 100px;
	color: rgba(255,255,255,0.08);
	font-family: 'TiroD'; 
	line-height: 1;
	margin-top: 40px;
	display: block;
	opacity: 0;
	animation: intro_txt03 2s 0s 1 forwards;
	animation-delay: 2s;
}
@keyframes intro_txt {
	0% {
		opacity: 0;
		margin-left: -50px;
	}
	100% {
		opacity: 1;
		margin-left: 0;
	}
}
@keyframes intro_txt02 {
	0% {
		opacity: 0;
		margin-right: -50px;
	}
	100% {
		opacity: 1;
		margin-right: 0;
	}
}
@keyframes intro_txt03 {
	0% {
		opacity: 0;
	}
	100% {
		opacity: 1;
	}
}
@keyframes crossfade {
    /* 시작과 끝: 위 이미지가 완전히 보임 (불투명) */
    0%, 100% {
        opacity: 1;
    }
    /* 중간 지점: 위 이미지가 완전히 사라짐 (투명) */
    50% {
        opacity: 0;
    }
}
.history-museum {
	user-select: none;
	overflow: hidden;
	padding-left: 3.1%;
	overflow: hidden;
	transform: translateX(100%);
	transition: 0.9s ease-out;
}
.history-museum.show {
	transform: translateX(0);
}
.history-museum *, .history-museum *::before, .history-museum *::after {
	box-sizing: border-box;
}
.history-slide {
	height: 100vh;
}
.history-slide .slick-list {
	width: 966px;
	overflow: visible;
}
.history-slide .slick-track {
	padding-top: 200px;	
}
.history-slide .slick-slide {
	width: 866px;
	margin: 0 50px;
}
.history-slide .slick-slide:nth-child(even) {
	margin-top: 120px;
}
.history-slide .item {
	display: flex !important;
}
.history-slide .img {
	width: 470px;
	flex-shrink: 0;
	position: relative;
	z-index: 1;
}
.history-slide .img img {
	position: absolute;
    top: 0;
    left: 0;
	width: 100%;
}
.history-slide .img .bottom-image {
	animation: crossfade 15s ease-in-out infinite;
}
.history-slide .item .content {
	flex-shrink: 0;
	width: 444px;
	min-height: 260px;
	background: #12298b url('/images/contents/symbol-bg.png') no-repeat right 8px bottom;
	border-bottom-right-radius: 40px;
	padding-top: 50px;
	padding-left: 87px;
	margin-left: -48px;
	padding-right: 40px;
	margin-top: 130px;
	padding-bottom: 40px;
	position: relative;
}
.history-slide .item .content .arrows {
	display: flex;
	position: absolute;
	top: 36px;
	right: 35px;
}
.history-slide .item .content .arrow {
	width: 20px;
	height: 20px;
	padding: 5px;
}
.history-slide .item .content .arrow::before {
	content: '';
	display: block;
	width: 100%;
	height: 100%;
	border-left: 1px solid #fff;
	border-bottom: 1px solid #fff;
	transform-origin: center;
}
.history-slide .item .content .prev::before {
	transform: rotate(45deg);
}
.history-slide .item .content .next::before {
	transform: rotate(-135deg);
}
.history-slide .item .content .date {
	font-family: 'TiroD';
	font-size: 40px;
	color: #fff;
	font-style: italic;
	letter-spacing: 0;
}
.prgrp {
	display: none;
}
.prgrp.show {
	display: block;
}
.prgrp .date {
	font-family: 'TiroD';
	font-size: 40px;
	color: #fff;
	font-style: italic;
	letter-spacing: 0;
}
.prgrp .title {
	font-family: 'Noto Sans KR';
	font-size: 20px;
	color: #fff;
	margin-top: 14px;
	margin-bottom: 6px;
	font-weight: 300;
}
.prgrp .txt {
	font-size: 17px;
	color: #fff;
	opacity: 0.9;
	font-weight: 100;
	font-family: 'Noto Sans KR';
	line-height: 24px;
}
.prgrp .txt span {
	opacity: 0.7;
}
.time-line {
	position: absolute;
    bottom: 11.2%;
    left: 13.5%;
    width: calc(100% - 13.5%);
	/* max-width: calc(100% - 80px); */
    height: 2px;
	display: flex;
}
.time-line::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 3000px;
	height: 100%;
	background-color: rgba(255,255,255,0.1);
}
.active-line {
	position: absolute;
	top: 0;
	left: 0;
	height: 100%;
	background-color: #1c5cff;
	transition: width 0.3s ease;
}
.time-line .age {
	display: flex;
	width: calc(100% / 7);
	position: relative;
}
/* .time-line .age:last-child {
	width: 0;
} */
.time-line .year {
	font-family: 'TiroD';
	letter-spacing: 0;
	color: #fff;
	opacity: 0.5;
	font-size: 20px;
	position: absolute;
	top: -30px;
	left: 0;
	line-height: 1;
	transform: translate(-50%, -100%);
	transition: opacity 0.3s ease;
}
.time-line .age.on .year {
	opacity: 1;
}
.time-line .title {
	position: absolute;
	top: -40px;
	bottom: -30px;
	transform: translate(-50%, 100%);
	font-size: 18px;
	opacity: 0.5;
	color: #fff;
	font-weight: 300;
	transition: opacity 0.3s ease;
}
.time-line .age.on .title {
	opacity: 1;
}
.time-line .paging {
	position: absolute;
	top: 50%;
	left: 0;
	width: 20px;
	height: 20px;
	border-radius: 50%;
	transform: translate(-50%, -50%);
	background-color: rgba(255,255,255,0.1);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background-color 0.3s ease;
}
.time-line .paging::before {
	content: '';
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background-color: #fff;
	transition: background-color 0.3s ease;
}
.time-line .age.on .paging {
	background-color: rgba(28,92,255,0.16);
}
.time-line .age.on .paging::before {
	background-color: #1c5cff;	
}
.time-line .line {
	width: 100%;
	display: flex;
}
.time-line .anchor {
	flex-grow: 1;
}
.current-age {
	position: absolute;
	right: 5.2%;
	top: 202px;
	line-height: 1;
	color: #fff;
	font-size: 140px;
	opacity: 0.04;
	font-family: 'TiroD';
	letter-spacing: 0;
	z-index: -1;
}
.current-title {
	display: none;
}
.history-museum .outer {
	position: relative;
}
.controller {
	display: none;
}
.controller .arrow {
	position: absolute;
	top: 0;
	width: 20px;
	height: 20px;
	border-left: 1px solid #fff;
	border-bottom: 1px solid #fff;
}
.controller .prev {
	left: -26px;
	transform: translateY(-50%) rotate(45deg);
}
.controller .next {
	right: -26px;
	transform: translateY(-50%) rotate(-135deg);
}

.energy06_close_bt {position:absolute; top:30px; right:30px; display:block; width:30px; height:30px; font-size:0; line-height:0; text-indent:-999999999px;     z-index: 1000;}
.energy06_close_bt::before {position:absolute; left:50%; top:0; width:3px; height:100%; background:#fff; transform:rotate(45deg);content:'';}
.energy06_close_bt::after {position:absolute; left:50%; top:0; width:3px; height:100%; background:#fff; transform:rotate(-45deg);content:'';}




/* 미디어쿼리 */
@media screen and (max-width: 1336px){
	.history-slide .slick-track {
		padding-top: 160px;
	}
	.history-slide .slick-list {
		width: 896px;
	}
	.history-slide .img {
		width: 400px;
	}
	.history-slide .item .content {
		width: 444px;
	}
	.current-age {
		font-size: 120px;
		top: 170px;
	}
	.time-line .title {
		font-size: 17px;
	}
}
/* 1336 */
@media screen and (max-width: 1024px){
	.history-slide .slick-list {
		width: 724px;
	}
	.history-slide .slick-slide {
		margin: 0 30px;
	}
	.history-slide .img {
		width: 330px;
	}
	.history-slide .item .content {
		width: 374px;
		margin-left: -40px;
		padding-left: 64px;
	}
	.current-age {
		font-size: 100px;
		top: 180px;
	}
	.time-line {
		left: 70px;
		width: calc(100% - 70px);
	}
	.time-line .title {
		font-size: 15px;
	}
}
/* 1024 */
@media screen and (max-width: 820px){
	.controller {
		display: block;
	}
	.time-line {
		flex-wrap: wrap;
		width: 100%;
		height: auto;
		left: 0;
		bottom: 0;
	}
	.time-line::before {
		display: none;
	}
	.active-line {
		display: none;
	}
	.time-line .age {
		display: flex;
		width: calc(100% / 3);
		height: 43px;
		background-color: #3c465f;
	}
	.time-line .age:nth-child(n+5) {
		border-top: 1px solid #26314d;
	}
	.time-line .title {
		display: none;
	}
	.time-line .line {
		display: none;
	}
	.time-line .paging {
		width: 100%;
		height: 100%;
		top: 0;
		left: 0;
		border-radius: 0;
		background-color: transparent;
		transform: none;
	}
	.time-line .age.on .paging {
		background-color: transparent !important;
	}
	.time-line .age .paging::before {
		display: none;
	}
	.time-line .year {
		position: static;
		transform: none;
		opacity: 1 !important;
		color: #fff !important;
		display: flex;
		align-items: center;
		justify-content: center;
		width: 100%;
		font-size: 15px;
	}
	.age.active {
		background-color: #fff;
	}
	.age.active .year {
		color: #222 !important;
	}
	.history-slide .slick-list {
		width: auto;
		overflow: hidden;
	}
	.history-slide .slick-slide {
		margin: 0 auto;
	}
	.history-slide .item {
		flex-direction: column;
		max-height: calc(100vh - 243px);
		overflow-y: auto;
	}
	.history-slide .slick-slide:nth-child(even) {
		margin-top: 0;
	}
	.history-slide .img {
		width: 100%;
	}
	.history-slide .item .content {
		margin-left: 0;
		margin-top: 0;
		width: 100%;
		padding: 0;
		background: none;
		border-radius: 0;
	}
	.history-museum {
		padding: 118px 12vw 0;
	}
	.history-slide {
		height: calc(100vh - 157px);
	}
	.history-slide .item {
		width: 340px !important;
		max-width: 100%;
		margin: 0 auto;
	}
	.history-slide .item .content .arrows {
		display: none;
	}
	.prgrp {
		display: block !important;
		padding-top: 15px;
		padding-bottom: 15px;
	}
	.prgrp:not(:first-child) {
		border-top: 1px solid #999fad;
	}
	.history-slide .item .content .date {
		font-size: 22px;
	}
	.prgrp .title {
		font-size: 17px;
		margin-top: 0;
		margin-bottom: 1px;
	}
	.prgrp .txt {
		font-size: 15px;
		opacity: 0.6;
	}
	h2.logo {
		top: 18px;
		left: 20px;
	}
	h2.logo img {
		width: 96px;
	}
	.history-slide .slick-track {
		padding-top: 0;
	}
	.current-age {
		font-size: 58px;
		top: 70px;
		right: 50%;
		transform: translateX(50%);
	}
	.current-title {
		display: block;
		text-align: center;
		color: #fff;
		font-size: 18px;
		margin-bottom: 14px;
	}
	.intro_txt h3 {
		font-size: 30px;
	}
	.intro_txt p {
		font-size: 16px;
	}
	.intro_txt span {
		font-size: 60px;
	}

	.energy06_close_bt {top:18px; right:20px;}
}



@media screen and (max-width: 767px){
	.energy06_close_bt {top:5vw; right:6vw; width:6vw; height:6vw;}
	h2.logo img {top:5vw; left:6vw; width:27vw;}
}