3@charset "utf-8";


body {
  display: flex;
  flex-direction: column;
  min-height: 100vh; /* 최소 높이를 뷰포트 전체(100%)로 설정 */
}

.container {
	position:relative;
    width: 1140px;
    margin: 200px auto 100px auto;
    padding: 0px 0 30px 0;
	transition: 0.3s;
	transition: all 0.3s ease;
}
.nav-menu {
	z-index:22
}
.menu-backdrop {
	background: rgba(255, 255, 255, 0.5); /* 어두운 불투명도 설정 (필요시 수치 조절) */
	backdrop-filter: blur(8px); /* 고급스러운 블러 효과 */
}


.nav-menu a {
	color: #333;
}
.hamburger span {
	background-color: #333;
}
.nav-menu li a:before {
    background-color: rgba(0, 0, 0, 0.5);
}

	

/* 5. 하단 푸터 */
.footer {
	position: relative;
	top: 0px;
	right: 0px;
	color: rgba(0, 0, 0, 0.6);
}



#container_title {
	display:table;
	margin:50px auto 80px auto;
	padding:0 30px 0px 30px;
	font-family: 'proxima-nova-wide', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
	font-optical-sizing: auto;
	line-height:1.2;
	border-bottom:none;
	text-transform: uppercase;
	
}
#container_title em	{display:block;font-style:normal;font-size:30px;font-weight:400;text-align:center;}
#container_title span {
	font-size:30px;font-weight:400;
}

/* 4. 중앙 메인 콘텐츠 */
#ctt {
	width:100%;
	display: flex;
	flex-direction: column;
	justify-content: top;
	align-items: center;
	height: 50vh;
	height: 50dvh;
	padding: 0 auto;
	text-align: center;
}

.sub-content {text-align:center;margin:50px 0;}
.sub-content h1.en {
	font-family: 'proxima-nova-wide', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
	font-optical-sizing: auto;
	font-size: 2rem;
	font-weight: 300;
	margin-bottom: 1.5rem;
	word-break: keep-all;
	transition: all 0.3s ease;
}
.sub-content h3.en {
	font-family: 'proxima-nova-wide', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
	font-optical-sizing: auto;
	font-size: .9rem;
	font-weight: 300;
	margin-bottom: 0.75rem;
	word-break: keep-all;
	transition: all 0.3s ease;
}

.sub-content h1.ko {
	font-family: 'proxima-nova-wide', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
	font-size: 2.5rem;
	font-weight: 900;
	margin-bottom: 1.5rem;
	letter-spacing:-0.025em;
	word-break: keep-all;
	transition: all 0.3s ease;
}
.sub-content h3.ko {
	font-family: 'proxima-nova-wide', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
	font-size: 1rem;
	font-weight: 300;
	margin-bottom: 2rem;
	word-break: keep-all;
	transition: all 0.3s ease;
}

.sub-content .contactus {

	font-family: 'proxima-nova-wide', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
	font-optical-sizing: auto;
	font-size: 1rem;
	font-weight: 500;
	margin-top: 8rem;
	word-break: keep-all;
	transition: all 0.3s ease;

}

.lang-content .logo_about {width:calc(150px);margin:0px auto 80px auto;text-align:center;transition: all 0.3s ease;}
.lang-content .logo_about img {width:100%;height:auto;}


/* --- 반응형 (해상도 1400px 이하) --- */
@media (max-width: 1400px) {
	.sub-content h1.en, .sub-content h1.ko {
		font-size: 2rem;
	}		

		

/* --- 반응형 (해상도 1200px 이하) --- */
@media (max-width: 1200px) {

	.container {
		position:relative;
		width: 100%;
		margin: 200px auto 100px auto;
		padding: 0px 30px;
	}


}		

/* --- 반응형 (해상도 767px 이하) --- */
@media (max-width: 767px) {

	.container {
		margin: 100px auto 100px auto;
	}

	#container_title {
		display:table;
		margin:30px auto 30px auto;
		padding:0 30px 0px 30px;
	}

	.sub-content h1.en, .sub-content h1.ko {
		font-size: 1.5rem;
		font-weight: 300;
		margin-bottom: 1rem;
	}
	.sub-content h3.en, .sub-content h3.ko {
		font-size: 1rem;
		margin-bottom: 1rem;
	}

	.sub-content .contactus {

		margin-top: 5rem;

	}

	.lang-content .logo_about {width:calc(150px);margin:0px auto 80px auto;text-align:center;transition: all 0.3s ease;}

}	


@media (max-width: 576px) {

	#container_title {
		padding:0 20px 0px 20px;
	}

	.container {
		padding: 0px 20px;
	}


	
}