.tile {
	font-size: 400%;
}

.index_title {
	text-decoration: none;
	color: black;
}

.menu {
	border: 1px black solid;
}

.sub_menu {
	border: 1px black solid;
	width: 150px;
	text-align: center;
}

.boder {
	margin-top: 20px;
}

.history {

}

.page_list {
	float: left;
}

.page_img {

}

.hey_img {
	float: inherit
}

footer {
	clear: both;
}

#short_short_iframe {
	border: none;
	height: 900px;
}

#top_menu_iframe{
	border: none;
	height: 120px;
	width: 1000px;
}

/*
 #touhyou{
 display: none;
 }

 #page_image{
 display: none;
 }
 */