:root {
  --default_height: 100%;
}

body	{
	margin: 0px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	background: #F7BE81;
	color: #000000;
	font-family: Verdana, Roboto, "Droid Sans", "游ゴシック", YuGothic, "メイリオ", Meiryo, "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "ＭＳ Ｐゴシック", sans-serif;
	font-size: 16px;
	vertical-align: baseline;
	line-height: 1.4em;
}

hr	{
	border: solid;
	border-color: #800000;
	border-width: 1px;
}

a:link		{
	color: #0000ee;
	text-decoration: none;
}
a:visited	{
	color: #0000ee;
}
a:hover		{
	color: #ff0000;
}
a:active	{
	color: #0000ee;
}
a:focus		{
	color: #ffff00;
}

div.oblique	{
	font-style: oblique;
}

div#base {
	width: 1080px;
	position: relative;
	margin:0 auto!important;
}

div#intro {
	margin: 16px 0px 0px 16px;
	padding: 0px 16px 0px 16px;
	width: 1080px;
	height: default_height;
	
	float: left;
	position: relative;
	}

div#main {
	margin: 16px 0px 320px 40px;
	padding: 16px 16px 16px 16px;
	width: 720px;
	height: default_height;
	background: #f8cc90;
	float: left;
	position: relative;
}

div#main_code {
	margin: 16px 0px 320px 40px;
	padding: 16px 16px 16px 16px;
	width: 1080px;
	height: default_height;
	background: #f8cc90;
	float: left;
	position: relative;
}

div#sub {
	margin: 16px 16px 16px 16px;
	padding: 16px 8px 16px 8px;
	width: 240px;
	height: default_height;
	background: #f8cc90;
	float: right;
	position: relative;
}

h1	{
	font-size: 24px;
	}

img.ss {
	margin: 4px 4px 4px 4px;
	border: 1px solid #eeeeee;
	text-align: center;
}

img.intro {
	margin: 0px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	border: 1px solid #eeeeee;
}

img.title	{
	padding: 8px 0px 8px 0px;
}
img.thumbnail	{
	margin: 0px 2px 0px 2px;
	padding: 0px 0px 0px 0px;
	width: 30%;
	height: 30%;
}

img.thumbnail_code	{
	margin: 0px 2px 0px 2px;
	padding: 0px 0px 0px 0px;
	width: 50%;
	height: 50%;
}

table {
	width: 640px;
	border: 1px solid #008888;
	border-collapse: collapse;
	margin: 20px 20px 20px 20px;
	font-size: 100%;
}

th {
	background-color: #000066;
	border: 1px solid #008888;
	padding: 0.3em 1em;
	vertical-align: middle;
}

td {
	border: 1px solid #008888;
	padding: 0.3em 1em;
	vertical-align: middle;
}

table.tutorial {
	border: 1px solid #008888;
	border-collapse: collapse;
	margin: 20px 20px 20px 20px;
	font-size: 100%;
}
td.tutorial {
	border: 1px none #008888;
	padding: 1em 1em;
	vertical-align: top;
}