header {
	display: flex;
	max-width: 1000px;
	margin: 0 auto;

	position: relative; /* 説明文を右下に配置するための基準 */
	padding: 10px 20px;
}
.header-title {
	font-family: serif;
	font-size: 3.0em;
	color: #000000;

	text-decoration: none;
}
.header-title:hover {
	color: #000000;
}
.header-title:visited {
	color: #000000;
}
.header-title:active {
	color: #000000;
}
.header-description {
	position: absolute;
	bottom: 5px;
	right: 20px;
	font-size: 0.9em;
	color: #666;
}
.wiki-style {
	font-style: italic;
	color: #2980b9;
}

body {
	font-family: Arial, sans-serif;
	margin: 0;
	padding: 0;
	line-height: 1.6;
}
.container {
	display: flex;
	max-width: 1000px;
	margin: 0 auto;
}
.sidebar {
	width: 200px;
	background-color: #f2f2f2;
	padding: 20px;
	min-height: 100vh;
}
.content {
	flex: 1;
	padding: 20px;
}
h1 {
	font-size: 2em;
	color: #2c3e50;
	border-bottom: 2px solid #3498db;
	padding-bottom: 5px;
}
table {
	width: 100%;
	border-collapse: collapse;
	margin: 20px 0;
}
th, td {
	border: 1px solid #ddd;
	padding: 8px;
	text-align: left;
}
th {
	background-color: #f2f2f2;
}
a {
	color: #e74c3c;
	text-decoration: none;
}
a:hover {
	text-decoration: underline;
}