@charset "UTF-8";
html{
      	background-color:#aaa;
	font-family:"HG明朝E",游明朝,"Yu Mincho",YuMincho,"Hiragino Mincho ProN",serif;
}
body {
	text-align: left;
	margin:0;
	padding: 0;
	width:100%;
}

h1{
	position:fixed;
	top:3vh;
	left:0;
	margin:0;
	width:100%;
	text-align:center;
	color: #fff;
	font-size:min(4vw, 28pt);
	text-shadow:0 0 20px #4ff;
font-family:"BIZ UDPGothic", Meiryo,sans-serif;
}

h1 a{        
	color: #fff;
	text-shadow:0 0 0.2em #00f;
	text-decoration: under-line;
}
h1 a:hover{
	background-color:#f0f;
	border-radius:1em;
	padding:0.5em;
	box-shadow:0 0 0.2em 0.2em #eaf;
}

nav{
	position:fixed ;
	bottom:0.2em;
	margin:0;
	right: 0.2em;
	font-size:max(3vw, 20pt);
}


article{
	position:fixed;
	top:0;
	bottom:0;
	background-color:#888;
	text-align: center;

	display:flex;
	justify-content:center;

	width:100%;
	height:100vh;
}

article a{
	margin:auto;
}

article img{
	width:100%;
	max-width:calc(80vh * 1.778);
}
article img:hover{
	cursor:context-menu;
}


.楕円{
	color: #00A; 
	text-decoration:none ; 
	border:1px solid blue; 
	background-color: white; 
	padding:0.2em 0.5em;
	opacity:0.2;
	border-radius:0.5em;
	z-index:10;
}

.楕円:hover {
	color: #f08; 
	 background-color:#ffe;
	opacity:1;
	border:1px solid red; 
	text-decoration:none ; 
}

a#TopRow,a#EndRow{
	color:white;
	text-shadow:2px 2px 2px #fff;
	opacity:0;
}

#前{
	position:fixed;
	bottom:0.1em;
	left:0.1em;
}
#次{
	position:fixed;
	bottom:0.1em;
	right:0.1em;
}

#戻る{
	position:fixed;
	top:0.1em;
	left:0.1em;
	font-size: 24pt;
}
#youtube{
	position:fixed;
	bottom:0;
	left:calc(50% - 50px);
	opacity:0.3;

}
#youtube:hover{
	opacity:1;
}
#youtube img{
	border-radius:10px;
	width:100px;
}