@charset "utf-8";

* {
	margin: 0;
	padding: 0;
	color: white;
	font-size: 16px;
	font-family:"ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
	line-height: 2;
}

body {
	background: black url(../images/background.jpg) fixed no-repeat;
	background-size: cover;
}

a {
	transition: 0.5s;
}

h2 {
	margin: 20px auto;
	padding: 5px 20px;
	font-size: 20px;
	background: gray;
}

h3 {
	padding: 5px 20px;
	font-size: 100%;
	border-radius: 20px;
	background: white;
	color: black;
}

h4 {
	margin-top: 10px;
	font-weight: bold;
	line-height: normal;
}

p, dl {
	margin: 20px;
}

p.user {
	margin: 0 auto 20px;
}

ul, ol {
	margin: 20px auto 20px 50px;
}

ul.box {
	display: flex;
	margin: 20px auto 0;
	flex-wrap: wrap;
	justify-content: space-between;
	list-style-type: none;
}

ul.box li {
	width: 23%;
	margin-bottom: 20px;
}

ul.box a {
	display: block;
	padding: 15px;
	border: solid 1px black;
	border-radius: 20px;
	background: rgba(255, 255, 255, 0.1);
	text-decoration: none;
}

ul.box a:hover {
	background: white;
}

ul.box a:hover h4 {
	color: black;
}

ul.box img {
	margin: 0;
}

table {
	margin: 20px auto;
	border-collapse: collapse;
}

th, td {
	padding: 10px;
	border: solid 1px;
}

img {
	display: block;
	margin: 20px;
	max-width: 100%;
}

img.top {
	margin: 20px auto;
}

#container {
	margin: 20px 20px 0;
	display: flex;
	justify-content: space-between;
}

#sub {
	margin-right: 20px;
	width: 20%;
}

#title {
	margin-bottom: 20px;
	width: 100%;
	height: 100px;
	background: url(../images/logo.png) no-repeat center top;
	background-size: contain;
}

#title a {
	display: block;
	width: 100%;
	height: 100%;
}

#menu_button {
	display: none;
}

#menu ul {
	margin-left: 0;
	list-style-type: none;
}

#menu li {
	margin: 20px auto;
	text-align: center;
}

#menu a {
	display: block;
	padding: 10px;
	border: solid 1px;
	border-radius: 10px;
	text-decoration: none;
}

#menu a:hover {
	background: white;
	color: black;
}

#main {
	width: 100%;
}

.name {
	padding: 3px;
	background: white;
	border-radius: 5px;
	color: black;
}

.content {
	overflow: hidden;
	margin: 20px auto;
	background: rgba(255, 255, 255, 0.1);
	border-radius: 20px;
}

.content h3 {
	border-radius: 20px 20px 0 0;
}

#news dt {
	float: left;
	margin-right: 15px;
	font-weight: bold;
}

.new {
	padding: 3px;
	background: red;
	border-radius: 5px;
}

footer {
	margin: 0 auto 30px;
	text-align: center;
}

.center {
	text-align: center;
}

@media screen and (max-width: 720px){

	#container {
		display: block;
		margin: 0;
	}

	#sub {
		display: flex;
		justify-content: space-between;
		margin: 0;
		width: 100%;
		height: 95px;
		background: rgba(0, 0, 0, 0.9);
	}

	#title {
		background: url(../images/logo_s.png) no-repeat;
		background-size: contain;
		width: 80%;
		height: 55px;
		margin: 20px 20px 0;
	}

	#title a {
		display: block;
		width: 100%;
	}

	#menu_button {
		display: block;
		width: 40px;
		margin: 20px 20px 20px auto;
		border: solid 2px white;
		border-radius: 5px;
		padding: 12px 10px 38px;
	}

	#menu_button span {
		display: block;
		border: solid 1px white;
		border-radius: 2px;
		margin-bottom: 10px;
	}

	#menu {
		position: absolute;
		top: 95px;
		width: 100%;
		background: rgba(0, 0, 0, 0.9);
	}

	#menu ul {
		margin-top: 0;
	}

	#menu li {
		margin: 0 20px 20px;
	}

	#main {
		margin: 20px auto;
	}

	#news dt {
		float: none;
	}
	
	ul.box li {
		width: 47%;
	}
}