@charset "UTF-8";

h1{margin-bottom:10px;}
h2{ text-align:center;}
#top_nav {
	display:none;}
#flex_wrap {
	display: flex;
	clear:both;
	height: 100vh;.
	}
.main_bg {
	-webkit-flex: 1;
	flex: 1;
	background-position:center center;
	background-size: cover;
	width:100%;
	height:100%;
	display: flex;
	align-items: center;
	justify-content: center;
	}
	.txtBox img{
		max-width:400px;
		}
#side {
	box-sizing:border-box;
	padding:25px;
	background:#000;
	color:#CCC;
	width:240px;
	}	
#side .side_logo {
	margin-top:30px;
	margin-bottom:30px;
	}
#side ul{
	width:100%;
	}
#side li {
	list-style:none;
    margin-left: 0px;
	margin-bottom:15px;
	}
#side li a{
	display:block;
	font-size: 1.6rem; 
	padding:10px;
	color:#cdcdcd;
	font-family:serif;
	}
#side li a:hover{
	color: #666;
	text-decoration:none;
	}
	.txtBox {text-align:center;}
	.txtBox a {
	display: inline-block;
	padding: 8px 40px 8px 40px;
	text-decoration: none;
	background: #000;
	border: 1px solid #fff;
	color: #fff;
}
.txtBox a:hover {
	color: #333;
	background: #fff;
}
.lnk_box_wrap {
	display: flex;
	justify-content: space-evenly;
	}

.lnk_box {
	box-sizing:border-box;
	width: 100%;
	min-height: 500px;
	padding:60px 30px;
	background:url(../images/artworks_bg.jpg);
	background-position:center center;
	background-size: cover;
	display: flex;
	align-items: center;
	justify-content: center;
	color:#fff;
	}
.profile_lnk {
	background:url(../images/profile_bg.jpg);
	background-position:center center;
	background-size: cover;
	}
		.lnk_box a{
		color:#fff;
		font-size:1.6rem;
		text-align:center;
		border:1px solid #fff;
		display:block;
		box-sizing:border-box;
		width:100%;
		padding:20px;
		max-width: 300px;
		margin:0 auto;
		background-color: rgba(0,0,0,0.5);
		}
		.lnk_box a:hover{
		color:#333;
		text-decoration:none;
		background-color: rgba(255,255,255,1);
		}
@media screen and (max-width:979px) {
	#top_nav {
	display:block;
	}
	#flex_wrap {
	height: calc(100vh - 60px);.
	}
	#side {
	display:none;
	}
	#contents {
		padding-top: 10px;
	}
}
@media screen and (max-width:640px) {
	.txtBox img{
		width:70%;
		max-width:500px;
		}
		.txtBox h1{
		margin-bottom:5px;	 
		}
		.lnk_box {
	min-height: 350px;
	padding:40px 15px;
	}
		.lnk_box a{
		font-size:1.3rem;
		padding:20px 10px;
		}
}