@charset "UTF-8";
html{
     	background-color:#cdd;
      margin:0px;
	padding:0px;
	font-family: "BIZ UDPGothic",Meiryo,"Hiragino Sans",sans-serif;
}
body {
	text-align: left;
	margin:0;
	padding: 0;
	width:100%;

}

header{
	position:relative;

}
header img{
	width:100%;
}
header nav{
	text-align:center;
	margin-top:1em;

	margin-bottom:1em;
}
header nav a{
	font-size:20pt;
	padding:0.5em 1em;

	width:3.5em;
	border:2px solid gray;
	text-align:center;
	border-radius:0.3em;
	background-color:white;
	line-height:200%;
	word-break:keep-all;
}
header nav a:hover{
	background-color:#fef;
	border-color:#f0f;
}

h1{
	position:absolute;
	top:0.2em;
	left:2em;
	text-align:left;
	width:100%;
	color:white;
	text-shadow:3px 3px 3px #0a0;
	font-size:4vw;
}


main{
	background-color:white;
	width:100%;
	margin:0 auto;

}


article{
	text-align:center;
	width:100%;
	font-size:110%;
	line-height: 200%;
	background-color:#ddd;

}

section{
	vertical-align:top;
	display:inline-block;
	max-width:480px;
	width:100%;
	background-color: #fff;
	box-shadow: 0 0 8px 2px #bbb;
	text-align:left;
	margin: 0.5em 0.5em;
}
section a{
	width:100%;
}

section a:hover{
	border-color:red;
	text-shadow:3px 3px 3px #C9C9F8;
	color:red;
}

section a img{
	margin:0;
	padding:0;
	max-width:1200px;	
	width:100%;
}

.w50{
	width:45%;
	float:right;
	margin:2.5%;
}
.w30{
	width:25%;
	float:right;
	margin:2.5%;
}

section a img:hover{
	box-shadow: 0 0 8px 2px #00f;
}
p {
	font-family:"BIZ UDPGothic", Meiryo,sans-serif;
 	text-indent: 1em;
	text-align: left;
	margin: 0.5em 1em 0.5em 1em;
}


#戻る:after{
	content:"戻る";
	position:fixed;
	top:0.1em;
	left:0.1em;
	font-size:20pt;
	padding:0.2em;
	width:3.5em;
	border:2px solid gray;
	text-align:center;
	border-radius:0.5em;
	opacity:0.2;
	font-family:"HG明朝E",游明朝,"Yu Mincho",YuMincho,"Hiragino Mincho ProN",serif;
	text-decoration:none;
	color:blue;
}

#戻る:hover::after{
	opacity:1;
	color:red;
	border-color:red;
	background-color:white;
	text-shadow:3px 3px 3px #C9C9F8;
}