* {
	margin: 0;
	padding: 0;
	font-family: 'Noto Sans KR', sans-serif;
	color: #333;
	box-sizing: border-box;
}

a:link, a:visited {
	text-decoration: none;
	color: inherit;
}
/* bootstrap */
.row { --bs-gutter-x: 0;
}

ul {
	padding: 0;
}

/* mousewheel effect */
#scroll-icon-box {
	transition-duration: .4s;
}

#mouse {
	height: 3.125rem;
	width: 2.125rem;
	border-radius: 1.25rem;
	transform: none;
	border: 2px solid #fff;
}

#wheel {
	animation: mouse-wheel 1.2s ease infinite;
	height: 10px;
	width: 2px;
	display: block;
	margin: 5px auto;
	background: #fff;
	position: relative;
}

#scroll-icon-box {
	position: fixed;
	margin: auto;
	bottom: 4%;
	left: calc(50% - 13px);
	width: 26px;
}

@keyframes mouse-wheel { 
	0%{ top: 1px;
		opacity: 1;
		-webkit-transform: translateY(0);
		-ms-transform: translateY(0);
		transform: translateY(0); }
	50%{ 
		top: 2px;	
	}
	100%{ 
		top: 3px; 
		opacity: 0;
		-webkit-transform: translateY(6px);    
		-ms-transform: translateY(6px);
		transform: translateY(6px);
	}
}

/* header */
header {
	height: 6.5rem;
}

#logo {
	position: absolute;
	top: 2rem;
	height: 2.5rem;
}

/* header > nav */
.effect {
	display: flex;
}

#gnb {
	position: absolute;
	top: 2rem;
}

#gnb li {
	padding-left: 3.125rem;
}

#gnb a {
	font-size: 1.2rem;
	font-weight: 700;
	color: #fff;
	position: relative;
}

/* #gnb hover effect */
#gnb>li>a:hover {
	color: #0083CA;
	transition-duration: .6s;
}

#gnb>li>a:after {
	content: "";
	left: 50%;
	bottom: -5px;
	position: absolute;
	transform: translateX(-50%) scale(0);
	-webkit-transform: translateX(-50%) scaleX(0);
	-webkit-transform-origin: 50% 50%;
	transform-origin: 50% 50%;
	width: 100%;
	height: 3px;
	background-color: #0083CA;
	-webkit-transition: transform 250ms;
	transition: transform 250ms;
}

#gnb>li>a:hover:after {
	-webkit-transform: translateX(-50%) scaleX(1);
	transform: translateX(-50%) scaleX(1);
}
/* section */
.section {
	width: 100%;
	height: 100vh;
}

.section h2 {
	font-weight: bold;
	font-size: 3.75rem;
	line-height: 4.375rem;
	color: #fff;
}

.section p {
	font-size: 1rem;
	line-height: 1.625rem;
	color: #fff;
}

.section a {
	position: absolute;
	display: block;
	border: 1px solid #fff;
	padding: 1rem 1.25rem;
	transition-duration: 0.6s;
	color: #fff;
}

.section a:hover {
	color: #333;
	background-color: #fff;
}

/* index.html > #Section */
#firstSection {
	background: url(../img/images/firstsection.png);
	background-size: cover;
}

#secondSection {
	background: url(../img/images/secondsection.png);
	background-size: cover;
}

#thirdSection {
	background: url(../img/images/thirdsection.png);
	background-size: cover;
}

#forthSection {
	background: url(../img/images/forthsection.png);
	background-size: cover;
}

/* about.html */

/* home menu */
.menu {
	color: #0083CA !important;
}

.homeNav {
	height: 4.375rem;
	border-top: 1px solid #cccccc;
}

.homeIcon {
	width: 6.25rem;
	height: 1.875rem;
	margin-top: 1.25rem;
	border-right: 1px solid #cccccc;
}

.homeIcon a {
	display: block;
	width: 1.875rem;
}

.homeMenu {
	cursor: pointer;
	width: 12.5rem;
	text-align: center;
	font-size: 1.375rem;
	color: #333;
	height: 1.375rem;
	border-right: 1px solid #ccc;
	margin: 1.25rem 0;
	font-weight: bold;
}

.gnbHome img {
	margin-left: 0.625rem;
}

.submenu {
	display: none;
	margin-top: 1rem;
}

.submenu a {
	display: block;
	height: 3.75rem;
	line-height: 3.75rem;
	background-color: white;
	text-align: left;
	font-weight: 400;
	padding-left: 1.25rem;
	transition-duration: .4s;
	z-index: 999;
}

.submenu a:hover {
	background-color: #0083CA;
	color: white;
}

.contentsHeader {
	width: 100%;
	background: url(../img/images/about-img.png);
	overflow: hidden;
	background-size: cover;
}

table {
	font-size: 14px;
}
/* about contents */
.contentsHeader h2 {
	color: white;
	font-weight: bold;
	font-size: 3.75rem;
	text-align: center;
	line-height: 24.375rem;
}

.aboutContents {
	text-align: center;
}

.aboutContents>h3 {
	font-size: 2.5rem;
	font-weight: bold;
}

.aboutContents p {
	font-size: 1.125rem;
}

.line {
	height: 5.625rem;
	background-color: #0083CA;
	display: block;
	width: 2px;
	margin: 0 auto;
}

.circle {
	width: 8px;
	height: 8px;
	background-color: #0083CA;
	border-radius: 50%;
	margin: 0 auto;
}

video {
	border: 1px solid #cccccc;
	box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.3);
}

/* footer */
footer {
	height: 200px;
	background-color: #00314b;
}

#flogo {
	width: 50%;
	padding-top: 5rem;
}

#copy {
	width: 50%;
	margin-top: 3rem;
	text-align: right;
}

#copy>p {
	font-size: 1rem;
	color: white;
}

/* works.html */
.aboutContents>p {
	color: #333;
}

.vrBg {
	height: 25rem;
	background: url(../img/images/vrimg.png);
	background-size: cover;
	position: relative;
}

.soundBg {
	position: relative;
	height: 25rem;
	background: url(../img/images/soundimg.png);
	background-size: cover;
}

.black {
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	background-color: rgba(0, 0, 0, 0.6);
	padding-top: 9.375rem;
}

.blackcontents {
	color: white;
}

.featurette>div>h2 {
	text-align: left;
}

.lead {
	color: #333;
	text-align: left;
}

/* information.html */
.contentsHeader {
	z-index: 9;
	height: 400px;
}

.nsIf {
	position: absolute;
	left: 50%;
	top: 434px;
	transform: translateX(-50%);
	bottom: -1rem;
	height: 70px;
}

.infoMenu li {
	width: 100%;
	background-color: #002235;
	color: #fff;
}

.infoMenu li a {
	display: block;
	width: 100%;
	text-align: center;
	font-weight: bold;
	font-size: 1.875rem;
	line-height: 4.375rem;
}

.infoMenu li:last-child>a {
	border: none;
}

.infoMenu li.on {
	background-color: #fff;
	color: #333;
}

.employ {
	display: none;
}

table tr>td>p {
	color: #333;
}

table>thead>tr>th {
	font-size: 1.4rem;
}

table a:hover {
	color: #0083CA;
}

.soundSolution>div>h2 {
	text-align: right;
}

.soundSolution>div>p {
	text-align: right;
}

/* contact.html */
form {
	width: 100%;
}

#news_box>div {
	width: 30%;
}

/* mobile scroll icon */
#mobile-scroll-icon {
	display: none;
}

#mobile-scroll-icon>a {
	padding-top: 60px;
}

#mobile-scroll-icon>a span {
	position: fixed;
	bottom: 10%;
	left: 50%;
	width: 24px;
	height: 24px;
	margin-left: -12px;
	border-left: 1px solid #fff;
	border-bottom: 1px solid #fff;
	-webkit-transform: rotate(-45deg);
	transform: rotate(-45deg);
	-webkit-animation: sdb 1.5s infinite;
	animation: sdb 1.5s infinite;
	box-sizing: border-box;
}

@-webkit-keyframes sdb {
	0% {
		-webkit-transform: rotate(-45deg) translate(0, 0);
		opacity: 0;
	}
	50%{
	opacity: 1;
		}
	100% {
		-webkit-transform: rotate(-45deg) translate(-20px,20px);
		opacity : 0; }
	}
@keyframes sdb { 0% {
	transform: rotate(-45deg) translate(0, 0);
	opacity: 0;
}
50%{
	opacity:1;
}
100%{
	transform: rotate(-45deg) translate(-20px,20px);
	opacity:0;}
}
/* mobile menu */
#mobileMenu {
	display: none;
	position: fixed;
	left: 0;
	z-index: 99;
	width: 100%;
	height: 40%;
	background-color: rgba(255, 255, 255, 1);
	border-top: 1px solid #ccc;
	box-shadow: 0 3px 3px rgba(0, 0, 0, 0.3);
}

#mobileMenu>nav>#gnb {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

#mobileMenu li {
	display: block;
	width: 100%;
	height: 50px;
	text-align: center;
	padding: 0;
	margin: 0 auto;
}

#mobileMenu a {
	font-size: 2rem;
	line-height: 50px;
}

/*wrapper-menu (mobile menu icon) css*/
#hamburger>.line-menu {
	background-color: #fff;
}

.wrapper-menu {
	position: absolute;
	top: 20px;
	right: 15px;
	width: 30px;
	height: 30px;
	display: none;
	flex-direction: column;
	justify-content: space-between;
	cursor: pointer;
	transition: transform 330ms ease-out;
}

.wrapper-menu.open {
	transform: rotate(-45deg);
}

.line-menu {
	background-color: #0083CA;
	border-radius: 5px;
	width: 100%;
	height: 3px;
}

.line-menu.half {
	width: 50%;
}

.line-menu.start {
	transition: transform 330ms cubic-bezier(0.54, -0.81, 0.57, 0.57);
	transform-origin: right;
}

.open .line-menu.start {
	transform: rotate(-90deg) translateX(3px);
}

.line-menu.end {
	align-self: flex-end;
	transition: transform 330ms cubic-bezier(0.54, -0.81, 0.57, 0.57);
	transform-origin: left;
}

.open .line-menu.end {
	transform: rotate(-90deg) translateX(-3px);
}

td:nth-child(4) {
	width: 40%;
}

td:nth-child(5) {
	width: 15%;
}
/* responsive */
@media screen and (max-width : 779px) {
	#mobile-scroll-icon {
		display: block;
	}
	.container {
		max-width: 779px;
	}
	.homeNav {
		display: none;
	}
	.contentsHeader {
		position: relative;
		margin-top: 70px;
	}
	.nsIf {
		top: 330px;
	}
	.contentsHeader h2 {
		font-size: 3rem;
	}
	.effect {
		display: none;
		background-color: white;
		position: relative;
		width: 100%;
		height: 400px;
		top: 70px;
		margin: 0;
		box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.4);
	}
	#gnb {
		display: block !important;
		width: 100%;
	}
	#gnb>li {
		padding: 0;
		text-align: center;
		margin: 40px 0 40px 0;
	}
	#gnb>li>a {
		font-size: 1.6rem;
		color: #0083CA;
	}
	#logo {
		height: 2rem;
	}
	.wrapper-menu {
		display: flex;
	}
	.section h2 {
		font-size: 2rem;
		text-align: center;
		line-height: 2.5rem;
		margin-bottom: 1rem;
	}
	.section p {
		text-align: center;
		font-size: 0.875rem;
	}
	.section a {
		left: 50%;
		transform: translateX(-50%);
	}
	#pp-nav {
		display: none;
	}
	.aboutContents h3 {
		font-size: 1.6rem;
	}
	.aboutContents p {
		font-size: 1rem;
	}
	.featurette-heading {
		font-size: 1.2rem;
	}
	.pe-5 .lead {
		text-align: center;
		font-size: 14px;
	}
	.pe-5, .ps-5 {
		padding: 0 !important;
	}
	.ps-5 .lead {
		text-align: center;
		font-size: 14px;
	}
	.ptsd_vr>div>h2 {
		text-align: center;
	}
	.soundSolution>div>h2 {
		text-align: center;
	}
	.navigation {
		background-color: white;
		position: fixed;
		top: 0;
		z-index: 99;
		height: 70px;
	}
	footer>div {
		margin: 0 auto;
	}
	.mFooter {
		display: block !important;
	}
	#flogo {
		width: 100%;
		padding-top: 30px;
		margin-bottom: 20px;
	}
	#flogo>img {
		display: block;
		margin: 0 auto;
	}
	#copy {
		width: 100%;
		margin: 0 auto;
		padding: 0;
	}
	#copy p {
		text-align: center;
		font-size: 14px;
	}
	#logo {
		top: 1.25rem;
	}
	table {
		font-size: 12px;
	}
	table>thead>tr>th {
		font-size: 1rem;
	}
	#flogo>a>img {
		display: block;
		margin: 0 auto;
	}
	.mobileImg {
		display: block !important;
	}
	#scroll-icon-box {
		display: none;
	}
	#news_box {
		padding-top: 10px !important;
	}
	#news_box>div {
		width: 46%;
	}
	#news_box>div>a {
		font-size: 14px;
	}
}

@media screen and (min-width:1281px)and (max-width:3000px) {
	.effect {
		display: flex !important;
	}
}

@media screen and (min-width:1281px)and (max-width:1399px) {
	#gnb li {
		padding-left: 1rem;
	}
}

@media screen and (min-width:780px)and (max-width:1280px) {
	#scroll-icon-box {
		display: none;
	}
	#mobile-scroll-icon {
		display: block;
	}
	.container {
		max-width: 1280px;
	}
	.navigation {
		background-color: white;
		position: fixed;
		z-index: 99;
		top: 0;
		height: 70px;
	}
	.contentsHeader {
		margin-top: 70px;
	}
	#logo {
		height: 2rem;
		top: 1.25rem;
	}
	#pp-nav {
		display: none;
	}
	.effect {
		display: flex !important;
	}
	#gnb li {
		padding-left: 1rem;
	}
	#gnb a {
		font-size: 1rem;
	}
	.section h2 {
		font-size: 3rem;
		line-height: 3rem;
		margin-bottom: 1rem;
		text-align: center;
	}
	.section p {
		font-size: 1.2rem;
		text-align: center;
	}
	.section a {
		left: 50%;
		transform: translateX(-50%);
	}
	.nsIf {
		top: 400px;
	}
	#mobileMenu a {
		font-size: 2.5rem;
	}
	#mobileMenu li {
		height: 90px;
		line-height: 110px;
	}
	.mobileImg {
		display: block !important;
	}
	.mobileImg>div {
		margin: 0 auto;
	}
}
/*admin_view*/
#adContainer {
	overflow: scroll;
}

.page-link {
	margin-bottom: 200px;
}