@font-face {
	font-family: "Noto Sans KR";
	src: url("../fonts/NotoSansKR-Regular.woff");
}

@font-face {
	font-family: "Nanum Square EB";
	src: url("../fonts/NanumSquareEB.woff");
}

@font-face {
	font-family: "Nanum Square R";
	src: url("../fonts/NanumSquareR.woff");
}

@font-face {
	font-family: "Nanum Square B";
	src: url("../fonts/NanumSquareB.woff");
}

.Header_container {
	z-index: 999;
}

html {
	scroll-behavior: smooth;
}

.sub-visual {
	position: relative;
	width: 100%;
	height: 270px;
	text-align: center;
}

.sub-visual-about {
    -webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-size: cover;
	z-index: -1;
}

.mid_nav {
	height: 50px;
	width: 100%;
	background-color: #009ea7;
	display: flex;
	justify-content: center;
	color: white;
}

.none {
	display: none;
}

#mainNav > a {
	color: white;
	text-decoration: none;
}

.active{
	background-color: #4cbbc2;
}

.mid_nav_box--home {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 50px;
	height: 50px;
	border-right: 1px solid #4cbbc2;
	border-left: 1px solid #4cbbc2;
}

.mid_nav_box--cur {
	display: flex;
	width: 230px;
	height: 50px;
	align-items: center;
	justify-content: space-around;
	font-size: 18px;
	border-right: 1px solid #4cbbc2;
}

.mid_nav_box--tab {
	display: flex;
	width: 230px;
	height: 50px;
	align-items: center;
	justify-content: center;
	font-size: 17px;
	border-right: 1px solid #4cbbc2;
}

.mid_nav_ {
	color: white;
	background-color: #009ea7;
}

.fixed_nav {
	position: fixed;
	top: 100px;
	z-index: 701;
}

.mid_nav_elem {
	width: 230px;
	text-align: center;
	line-height: 50px;
	font-size: 20px;
}

.title-box--padding {
	padding-top: 150px;
}

@media all and (min-width:991px) and (max-width:1400px) {
	.sub-visual {
		height: 310px;
	}
	.title-box--padding {
		padding-top: 100px;
	}
}

@media (min-width: 641px) and (max-width: 990px) {
	.sub-visual {
		height: 310px;
	}
	.mid_nav_box--tab {
		width: auto;
	}
	.flex-grow {
		flex-grow: 1;
		width: 50%;
	}
	.mid_nav_box {
		justify-content: center;
	}
	.mid_nav_box--home {
		display: none;
	}
	.mid_nav_box--cur {
		display: none;
	}
	.title-box--padding {
		padding-top: 100px;
	}
	
}

@media(max-width: 640px) {
	.mid_nav_box--tab {
		width: auto;
	}
	.flex-grow {
		flex-grow: 1;
		width: 50%;
	}
	
	.sub-visual {
		height: 310px;
	}

	.sub-visual-about {
		background-size: auto 100%;
	}

	.mid_nav_box {
		justify-content: center;
	}

	.mid_nav_box--home {
		display: none;
	}

	.mid_nav_box--cur {
		display: none;
	}
	.title-box--padding {
		padding-top: 100px;
	}
}