/* 탭 네비게이션 컨테이너 */
.cornerstone_tabs {
	margin: 0;
	padding: 0;
	display: block;
	word-spacing: -5px;
	list-style: none;
	text-align: left;
	border-bottom: none;
}

/* 탭 아이템 기본 스타일 */
.cornerstone_tabs li {
	background: #0e1432;
	color: #fff;
	word-spacing: 0;
	min-width: 50%;
	list-style: none;
	display: inline-block;
	margin: 0;
	padding: 20px 10px 0;
	font-family: inherit;
	letter-spacing: 0;
	cursor: pointer;
	transition: all 0.3s ease;
	position: relative;
}

.cornerstone_tabs li h3{
    color: #e0e0e0;
    font-size: 1.6em;
    font-weight:400;
	text-align: center;
    transition: color 0.3s ease;
}

/* 첫 번째 탭 */
.cornerstone_tabs li:first-of-type {
	border-left: 0px solid #e0e0e0;
}

/* 마지막 탭 */
.cornerstone_tabs li:last-of-type {
	border-right: 0px solid #e0e0e0;
}

/* 탭 호버 효과 */
.cornerstone_tabs li:hover {
	background: #0e1432
}

.cornerstone_tabs li:hover h3 {
	color: #3d6fbe;
}

/* 활성화된 탭 (current_page_item) */
.cornerstone_tabs li.current_page_item {
	background: #fff;
	border-bottom: none;
	margin-bottom: 0;
	color: #061f51;
	z-index: 10;
}

/* 활성 탭 상단 두꺼운 라인 */
.cornerstone_tabs li.current_page_item::before {
	content: '';
	position: absolute;
	top: -2px;
	left: -2px;
	right: -2px;
	height: 5px;
	background-color: #061f51;
	z-index: 1;
}

.cornerstone_tabs li.current_page_item h3 {
	padding-top:10px;
	color: #061f51;
	font-weight: 700;
}

/* 탭 span 스타일 */
.cornerstone_tabs li span {
	font-family: inherit;
	font-size: inherit;
}

/* 탭 콘텐츠 기본 숨김 */
.tab-content {
	display: none;
	position: relative;
	width: 100%;
	background: #fff;
	font-family: inherit;
	border-top: none;
	box-sizing: border-box;
	padding: 60px 10px 0;
}

/* 활성화된 탭 콘텐츠 */
.tab-content.active {
	display: block;
}

/* 반응형 - 모바일 */
@media (max-width: 768px) {
	.cornerstone_tabs {
		display: block;
		width: 100%;
		text-align: left;
		border-bottom: none;
	}
	
	.cornerstone_tabs li {
		display: inline-block;
		width: 50%;
		text-align: center;
		min-width: auto;
		padding: 15px 10px;
		box-sizing: border-box;
	}
	
	.cornerstone_tabs li h3 {
		font-size: 1.2em;
	}
	
	.cornerstone_tabs li.current_page_item {
		position: relative;
	}
	
	.cornerstone_tabs li.current_page_item::before {
		content: '';
		position: absolute;
		top: -2px;
		left: -2px;
		right: -2px;
		height: 4px;
		background-color: #061f51;
	}
	
	.tab-content {
		padding: 20px;
		border-top: none;
	}
}

/* 반응형 - 작은 모바일 */
@media (max-width: 480px) {
	.cornerstone_tabs li {
		padding: 12px 8px;
	}
	
	.cornerstone_tabs li h3 {
		font-size: 1.3em;
	}
}