@charset "UTF-8";

/* --------------------------------
 * index
 * -------------------------------- */

body.top {
	background: #BCE2E5;
}

#main > .container {
	padding-top: 2.5rem;
	padding-bottom: 2.5rem;
}

header {
	background: #eee;
}

header .mainimg {
	position: relative;
	width: 100%;
	max-width: 1600px;
	margin: 0 auto;
}

header .mainimg .logo {
	position: absolute;
	top: 3%;
	left: 3%;
	width: 30%;
	min-width: 9.375rem;
}

header .mainimg .text {
	position: absolute;
	bottom: 0.313rem;
	left: 0.625rem;
	height: 70%;
	max-height: 12.5rem;
	margin: auto;
}

.top .nav {
	position: absolute;
}

.main_inner {
	padding-top: 6.25rem;
}

.top_message {
	padding: 0.313rem;
	border-radius: 0.25em;
	background: #fff;
}

.top_message .inner {
	padding: 0.5rem;
	border: 0.063rem dotted #FFEDB5;
}

.top_message .midashi {
	font-size: 1.1em;
	color: #FC8F8F;
}

.top_message .inner p:last-of-type {
	margin-bottom: 0;
}

.menu_top .card {
	border-radius: 0.5rem;
}
.menu_top .card:hover {
	cursor: pointer;
}

.menu_top a:link,
.menu_top a:visited {
	text-decoration: none;
}

.menu_top .head {
	margin-bottom: 0.875rem;
	padding-left: 0.625rem;
	border-left: 0.25rem solid #cc0033;
	font-size: 1.2em;
	color: #006666;
}

.menu_top .head span {
	display: inline-block;
}

.menu_top .button {
	padding: 0.25rem 0.625rem;
	border: #666 solid 0.125rem;
	border-radius: 3em;
	text-align: center;
}

.topics .topics_frame {
	height: 100%;
	padding: 0.781rem;
	background: rgba(255,255,255,0.70);
}

.topics .head {
	margin-bottom: 0.875rem;
	padding-left: 0.625rem;
	border-left: 0.188rem solid #666;
	font-size: 1.2em;
}

.topics dl {
	display: flex;
	justify-content: flex-start;
	align-items: flex-start;
	flex-wrap: wrap;
	height: auto;
	margin-bottom: 0.781rem;
}

.topics dl dt,
.topics dl dd {
	flex-grow: 0;
	flex-shrink: 0;
	flex-basis: 100%;
	margin: 0;
}

.topics dl dt > span,
.topics dl dd > span {
	display: block;
}

.topics dl dd > span {
	padding-bottom: 0.625rem;
}

.lecture_link {
	position: static;
	text-align: right;
}

@media (min-width:576px){
	
	header .mainimg .text {
		bottom: 0.625rem;
		left: 1.25rem;
		height: 56%;
	}
	
}

@media (min-width:768px){
	
	#main > .container {
		padding-top: 1.875rem;
		padding-bottom: 3.75rem;
	}
	
	header .mainimg .text {
		bottom: 1.25rem;
		left: 1.875rem;
		height: 59%;
	}
	
	.top_message .inner {
		padding: 1.25rem;
	}
	
	.top_message .midashi {
		font-size: 1.2em;
	}
	
	.topics dl dt {
		flex-basis: 7em;
	}
	
	.topics dl dd {
		flex-basis: calc( 100% - 7em );
	}
	
	.topics dl dt > span,
	.topics dl dd > span {
		padding-bottom: 1rem;
	}
	
	.lecture_link {
		position: absolute;
		top: -1.125rem;
		right: 0.625rem;
	}
	
}

@media (min-width:992px){
	
	header .mainimg .text {
		top: 0;
		bottom: 0;
		left: 2.5rem;
		height: 100%;
	}
	
}

@media (min-width:1200px){
}