@import url("basic_css.css");

.contents {
	position: relative;
  width: 100%;
	/* margin-top: 44px; */
  overflow: hidden;
}


/*
*
* ==========================================
*  데스크탑
* ==========================================
*
*/
@media screen and (min-width:911px){

/* ============================================================================================================================= */
/* 메인화면1 - 소개 */

.content1 {
	position: relative;
	margin-top: 75px;
	width: 100%;
	height: 200px;
	/* background-image: url(../img/background/sejong.jpg); */
	overflow: hidden;
	background: linear-gradient(-45deg, #1d2c41, #B7C9D9, #4FA3F0, #22131a);
	background-size: 400% 400%;
	animation: AnimationName 20s ease infinite;
	-webkit-animation: AnimationName 20s ease infinite;
	-moz-animation: AnimationName 20s ease infinite;
	-o-animation: AnimationName 20s ease infinite;
}

@-webkit-keyframes AnimationName {
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
@-moz-keyframes AnimationName {
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
@-o-keyframes AnimationName {
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
@keyframes AnimationName { 
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}

.content1 .where{
	position: absolute;
	right: 30px;
	top: 20px;
	font-size: 12px;
	width: 200px;
	height: 20px;
}

.content1_text_wrap {
	overflow: hidden;
	width: 100%;
	height: 100%;
	position: relative;
	z-index: 10;
	color: #fff;
}

.content1 span:nth-child(1){
  display: block;
  width: 100%;
  height: 50px;
  font-size: 24px;
  float: left;
  margin-top: 30px;
  line-height: 70px;
  letter-spacing: -2px;
}
  
.content1_text{
	position: absolute;	
	width: 100%;
	height: 100%;
	top: calc(50% - 100px);
	text-align: center;
}

.content1 .underline_wrap{
	width: 100%;
	height: 30px;
	position: relative;
	float: left;
}
  
.content1 .underline1{
	position: absolute;
	left: calc(50% - 10px);
	width: 20px;
	height: 1px;
	background-color: #fbd784;
	float: left;
	top: 15px;
}
  
.content1 span:nth-child(2){
	display: block;
	width: 100%;
	height: 30px;
	font-size: 14px;
	float: left;
	line-height: 25px;
	margin-top: 30px;
	letter-spacing: -1px;
}


/* ============================================================================================================================= */
/* 메인화면2 */

.content2{
  position: relative;
  width: 100%;
  height: 50px;
  z-index: 13;
	background: white;
	box-sizing: border-box;
	border-bottom: 1px solid rgba(128, 128, 128, 0.3);
	color: #4a5160;
}

.content2_active{
	position: fixed;
	top: 0px;
	z-index: 7900;
}

.content2 img{
 position: absolute;
 display: block;
 width: 180px;
 height: 40px;
 margin: 5px 0px;
 left: -220px; 
 transition: all 0.5s;
}

.menu_plus2{
  transition: all 0.5s;
  position: absolute;
  width: 50px;
  float:right;
  height: 50px;
  right: -60px;
  text-align: center;
  z-index: 11;
	cursor: pointer;
}

.menu_plus2 .i{
  position: absolute;
  color: white;
  left: 0px;
  width: 21px;
  height: 21px;
  margin: 14.5px 14.5px;
  background-repeat: no-repeat;
	background-image: cover;
}

.x_img{
	background-image: url(../image/icon/x_black.png);
}

.list_img{
	background-image: url(../image/icon/list_black.png);
}

.menu_plus2_active{
  width: 200px;
}

.content2 .text_wrap{
  width: 1000px;
  min-width: 1000px;
  max-width: 1000px;
  height: 100%;
  margin: 0 auto;
}

.content2 .text1{
  width: 100%;
  height: 100%;
}

.content2 .text1 ul{
  width: 1000px;
  height: 100%;
  margin: 0 auto;
}

.content2 .text1 li{
  display: block;
  width: calc(100% / 5);
  float: left;
  box-sizing: border-box;
  height: 50px;
  text-align: center;
}

.content2 .text1 a{
	display: block;
  color: #4a5160;
  font-size: 14px;
  position: relative;
	margin-top: 16px;
	height: 18px;
	border-right: 1px solid #4a516056;
}

.content2 .text1 li:last-child a{
	border-right: none;
}

.content2 .text1 a:hover{
	color: #0070c9;
}

.content2 li:nth-child(1) a{
  color: #0070c9;
}

.content2 li:nth-child(1) a:after {
  content: "";
  position: absolute;
  bottom: -16px;
  left: 0;
  z-index: 8000;
  width: 100%;
  height: 1px;
  background: #0070c9;
}


/* ============================================================================================================================= */
/* 메인화면3 (배경 섹션) */

.content3{
	position: relative;
	width: 100%;
	height: 1000px;
	min-height: 1000px;
	background-image: url(../image/background/association_intro/content3.jpg);
	background-repeat: no-repeat;
	background-size: cover;
	z-index: 12;
	background-position: 60% 60%;
}

.content3_box{
	width: 100%;
	height: 100%;
	position: relative;
	background-image: linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.35)) !important;
}

/* 가운데 메인 카피 */
.content3_text_wrap{
	width: 1000px;
	max-width: 1000px;
	margin: 0 auto;
	height: 100%;
	color: #ffffff;
	text-align: center;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 20px;
	box-sizing: border-box;
}

.hero_main_text{
	font-size: 26px;
	line-height: 2;
	font-weight: 600;
	letter-spacing: -1.5px;
}

/* 중앙 하단 작은 이미지 링크 */
.hero_bottom_link{
	position: absolute;
	left: 50%;
	bottom: 40px;
	transform: translateX(-50%);
}

.hero_bottom_link a{
	display: inline-block;
}

.hero_bottom_link img{
	max-width: 120px;
	height: auto;
}


/* ============================================================================================================================= */
/* 메인화면4 : 소개 + 비전/추진방향 공통 섹션 */

.intro_section{
	width: 100%;
	padding: 100px 0 0px;
	background-color: #ffffff;
}

.intro_inner{
	width: 1000px;
	max-width: 1000px;
	margin: 0 auto;
	text-align: center;
}

/* 소개 문단 */
.intro_text_block p{
	font-size: 16px;
	line-height: 1.9;
	color: #333333;
	letter-spacing: -0.5px;
	margin-bottom: 12px;
}

.intro_text_block p:last-child{
	margin-bottom: 0;
}

/* 이미지 3개 가로 배치 */
.intro_images{
	margin: 100px auto 100px;
	display: flex;
	justify-content: center;
	gap: 10px;
}

.intro_img_box{
	position: relative;
	width: 330px;
	height: 660px; /* 세로 = 가로 2배 */
	overflow: hidden;
	background-color: #000; /* 기본도 살짝 어둡게 */
	box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.intro_img_box img{
	width: 100%;
	height: 100%;
	object-fit: cover;
}

/* 👉 이미지 전체를 진하게 어둡게 + 텍스트는 아래쪽 */
.intro_img_overlay{
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	padding: 24px 22px;
	box-sizing: border-box;
	background: rgba(0, 0, 0, 0.5); /* 전체 어두운 오버레이 */
	color: #ffffff;
	text-align: left;
	font-size: 18px;
	line-height: 1.9;

	display: flex;
	align-items: flex-end; /* 아래쪽 정렬 */
}

/* 비전 제목 */
.vision_title{
	font-size: 20px;
	font-weight: 700;
	color: #222222;
	margin: 0;
	margin-bottom: 30px;
	position: relative;
	display: inline-block;
}

/* 밑줄 */
.vision_title::after{
	content: "";
	position: absolute;
	left: 50%;
	bottom: -50px;
	transform: translateX(-50%);
	width: 60px;
	height: 1px;
	background-color: #3160D5;
}

/* 3x4 그리드 박스 */
.vision_grid{
	margin-top: 80px;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
	text-align: center;

	/* 👉 12개 박스 영역을 더 가운데로 모으기 */
	max-width: 840px;
	margin-left: auto;
	margin-right: auto;
}

.vision_item{
	display: flex;
	align-items: center;
	justify-content: center;

	min-height: 90px;
	padding: 18px 20px;
	box-sizing: border-box;
	border-radius: 10px;
	border: 1px solid #e0e4ee;
	background-color: #EBEBEB;
	font-size: 14px;
	line-height: 1.8;
	color: #333333;
	text-align: center;
	word-break: keep-all;
}

/* 1~3번 진한 배경 */
.vision_item:nth-child(-n+3){
	background-color: #445171;
	color: #ffffff;
	border-color: #445171;
	font-weight: 600;
}

/* circle_gray 3열 세로 - 각 세로 컬럼 중앙 정렬 */
/* circle_gray 3열 세로 - 각 세로 컬럼 중앙 정렬 */
.vision_circles{
	margin-top: 40px;
	width: 100%;
	max-width: 840px;              /* ✅ 위의 vision_grid 와 동일한 폭 */
	margin-left: auto;
	margin-right: auto;

	display: grid;
	grid-template-columns: repeat(3, 1fr);  /* ✅ 위 박스와 같은 3열 기준 */
	gap: 20px;
}

.circle_col{
	display: flex;
	flex-direction: column;
	align-items: center;            /* ✅ 각 열 안에서 가운데 정렬 */
	gap: 10px;
}

.circle_col img{
	width: 18px;
	height: 18px;
}


/* 풀사이즈 배너 (데스크탑) */
.intro_full_banner{
	width: 100%;
	margin-top: 200px;
	background-image: url(../image/background/as4.png);
	background-size: cover;
	background-position: center center;
	height: 1000px;
	position: relative;
}

.intro_full_overlay{
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 20px;
	box-sizing: border-box;
	text-align: center;
}

.intro_full_overlay p{
	font-size: 20px;
	line-height: 1.9;
	color: #333333;
	letter-spacing: -0.5px;
	margin: 0;
}

.intro_full_overlay strong{
	font-weight: 700;
	color: #445171;
}

} /* 데스크탑 끝 */


/*
*
* ==========================================
*  모바일 0 ~ 910
* ==========================================
*
*/
@media screen and (min-width:0px) and (max-width:910px){

/* ============================================================================================================================= */
/* 메인화면1 - 소개 */

.content1 {
	position: relative;
	width: 100%;
	height: 210px;
	background-image: url(../image/background/sejong.jpg);
	background-size: 100% auto;
	background-image: cover;
	background-repeat: no-repeat;
	overflow: hidden;
	background-position: center center;
}

.content1 .where{
	display: none;
}

.content1_text_wrap {
	overflow: hidden;
	width: 100%;
	height: 100%;
	position: relative;
	color: #fff;
	background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
}

.content1 span:nth-child(1){
  display: block;
  width: 100%;
  height: 25px;
  font-size: 18px;
  float: left;
  margin-top: 70px;
  letter-spacing: -2px;
}
  
.content1_text{
	position: absolute;	
	width: calc(100% - 50px);
	padding: 0px 25px;
	height: 100%;
	top: calc(50% - 100px);
	text-align: center;
}

.content1 .underline_wrap{
	width: 100%;
	height: 15px;
	position: relative;
	float: left;
}
  
.content1 .underline1{
	position: absolute;
	left: calc(50% - 5px);
	width: 10px;
	height: 1px;
	background-color: #fbd784;
	float: left;
	top: 7.5px;
}
  
.content1 span:nth-child(2){
	display: block;
	width: 100%;
	height: 40px;
	font-size: 11px;
	float: left;
	line-height: 20px;
	margin-top: 20px;
	letter-spacing: -1px;
}


/* ============================================================================================================================= */
/* 메인화면2 */

.content2{
	position: relative;
  width: 100%;
  height: 50px;
  z-index: 13;
	background: white;
	box-sizing: border-box;
	border-bottom: 1px solid rgba(128, 128, 128, 0.3);
	color: #4a5160;
  -ms-overflow-style: none;
	overflow-y: hidden;
}

.content2::-webkit-scrollbar{
  display:none;
}

.content2_active{
	display: none;
}

.content2 img{ display: none; }
.menu_plus2{ display: none; }
.menu_plus2 .i{ display: none; }
.x_img{ display: none; }
.list_img{ display: none; }
.menu_plus2_active{ display: none; }

.content2 .text_wrap{
  width: 100%;
  height: 100%;
  margin: 0 auto;
}

.content2 .text1{
  width: 100%;
  height: 100%;
}

.content2 .text1 ul{
  width: 1000px;
  height: 100%;
  margin: 0 auto;
}

.content2 .text1 li{
  display: block;
  width: calc(100% / 5);
  float: left;
  box-sizing: border-box;
  height: 50px;
  text-align: center;
}

.content2 .text1 a{
	display: block;
  color: #4a5160;
  font-size: 14px;
  position: relative;
	margin-top: 16px;
	height: 18px;
	border-right: 1px solid #4a516056;
}

.content2 .text1 li:last-child a{
	border-right: none;
}

.content2 .text1 a:hover{
	color: #0070c9;
}

.content2 li:nth-child(1) a{
  color: #0070c9;
}

.content2 li:nth-child(1) a:after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 0;
  z-index: 9000;
  width: 100%;
  height: 1px;
  background: #0070c9;
}


/* ============================================================================================================================= */
/* 메인화면3 (배경 섹션) */

.content3{
	position: relative;
	width: 100%;
	overflow: hidden;
	z-index: 12;
	background-image: url(../image/background/association_intro/content3.jpg);
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center center;
}

.content3_box{
	width: 100%;
	height: 400px;
	position: relative;
	background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)) !important;
}

/* 중앙 텍스트 */
.content3_text_wrap{
	width: calc(100% - 40px);
	margin: 0 auto;
	height: 100%;
	padding: 0 20px;
	color: #ffffff;
	text-align: center;
	display: flex;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
}

.hero_main_text{
	font-size: 16px;
	line-height: 2;
	font-weight: 600;
	letter-spacing: -1px;
}

/* 하단 이미지 링크 */
.hero_bottom_link{
	position: absolute;
	left: 50%;
	bottom: 16px;
	transform: translateX(-50%);
}

.hero_bottom_link img{
	max-width: 50px;
	height: auto;
}


/* ============================================================================================================================= */
/* 메인화면4 : 소개/비전 */

.intro_section{
	width: 100%;
	padding: 40px 0 0px;
	background-color: #ffffff;
}

.intro_inner{
	width: calc(100% - 40px);
	max-width: 1000px;
	margin: 0 auto;
	text-align: center;
}

/* 소개 문단 */
.intro_text_block p{
	font-size: 13px;
	line-height: 1.8;
	color: #333333;
	letter-spacing: -0.5px;
	margin-bottom: 10px;
}

.intro_text_block p:last-child{
	margin-bottom: 0;
}

/* 이미지 3개 - 모바일에서는 줄바꿈 허용 */
.intro_images{
	margin: 40px auto 40px;
	display: flex;
	justify-content: center;
	gap: 10px;
	flex-wrap: wrap;
}

.intro_img_box{
	position: relative;
	width: 30%;
	min-width: 90px;
	max-width: 130px;
	height: calc(30% * 2); /* 세로 = 가로 2배 느낌 유지 */
	aspect-ratio: 1/2;
	overflow: hidden;
	background-color: #000;
	box-shadow: 0 3px 8px rgba(0,0,0,0.08);
}

.intro_img_box img{
	width: 100%;
	height: 100%;
	object-fit: cover;
}

/* 👉 모바일도 이미지 전체를 어둡게 */
.intro_img_overlay{
	position: absolute;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	width: 100%;
	padding: 10px 8px;
	box-sizing: border-box;
	background: rgba(0, 0, 0, 0.5);
	color: #ffffff;
	text-align: left;
	font-size: 10px;
	line-height: 1.6;

	display: flex;
	align-items: flex-end;
}

/* 비전 제목 */
.vision_title{
	font-size: 15px;
	font-weight: 700;
	color: #222222;
	margin: 0;
	margin-bottom: 30px;
	position: relative;
	display: inline-block;
}

.vision_title::after{
	content: "";
	position: absolute;
	left: 50%;
	bottom: -50px;
	transform: translateX(-50%);
	width: 48px;
	height: 1px;
	background-color: #3160D5;
}

.vision_grid{
	margin-top: 80px;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 14px;
	text-align: center;
}

.vision_item{
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 70px;
	padding: 14px 12px;
	box-sizing: border-box;
	border-radius: 10px;
	border: 1px solid #e0e4ee;
	background-color: #EBEBEB;
	font-size: 10px;
	line-height: 1.7;
	color: #333333;
	text-align: center;
	word-break: keep-all;
}

/* 1~3번 진한 배경 */
.vision_item:nth-child(-n+3){
	background-color: #445171;
	color: #ffffff;
	border-color: #445171;
	font-weight: 600;
}

/* circle_gray 세로 3개 × 3열 - 각 세로 중앙 */
/* circle_gray 3열 세로 - 각 세로 컬럼 중앙 정렬 */
.vision_circles{
	margin-top: 40px;
	width: 100%;
	max-width: 840px;              /* ✅ 위의 vision_grid 와 동일한 폭 */
	margin-left: auto;
	margin-right: auto;

	display: grid;
	grid-template-columns: repeat(3, 1fr);  /* ✅ 위 박스와 같은 3열 기준 */
	gap: 20px;
}

.circle_col{
	display: flex;
	flex-direction: column;
	align-items: center;            /* ✅ 각 열 안에서 가운데 정렬 */
	gap: 10px;
}

.circle_col img{
	width: 14px;
	height: 14px;
}

/* 풀사이즈 배너 (모바일) */
.intro_full_banner{
	width: 100%;
	margin-top: 50px;
	background-image: url(../image/background/as4.png);
	background-size: cover;
	background-position: center center;
	height: 400px;
	position: relative;
}

.intro_full_overlay{
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 16px;
	box-sizing: border-box;
	text-align: center;
}

.intro_full_overlay p{
	font-size: 13px;
	line-height: 1.8;
	color: #333333;
	letter-spacing: -0.5px;
	margin: 0;
}

.intro_full_overlay strong{
	font-weight: 700;
	color: #445171;
}

}