@charset "utf-8";
/* CSS Document */

.infobox {
	position: relative;
	width: 100%;
	padding: 100% 0 0 0; 
}
iframe{
	position: absolute;
	top: 0;
	left: 0;	
	width: 100%;
	height: 100%;
	border: none;
}
.introduce-articles li{
	margin: 0 0 10px 0;
	padding: 10px;
	text-align: center;
}
.introduce-articles li img{
	width: 50%;
	border-radius: 50%;
}
@media screen and (min-width:640px){
	.introduce-articles li{
		overflow: hidden;
		padding: 30px;
		text-align: left;
	}
	.introduce-articles li img{
		float: left;
		margin-right: 20px;
		width: 50%;
	}
}
/*由来*/
.history-contents{
	list-style: none;
	display: -webkit-box;
	display: -moz-box;
	display: box;
	display: -webkit-flex;
	display: flex;
	flex-flow: row wrap;
	justify-content: space-between;
	margin: 0;
	padding: 0;
}
.history-contents img{
	width: 100%;
}
.history-contents li{
	flex: 0 0 42%;
	padding: 0 0 0 7%;
	margin-bottom: 5px;
	font-size: 10px;
/*	border: 1px solid #dadada;*/
	border: none 
}
@media screen and (min-width:640px){
	.history-contents li{
		flex: 0 0 42%;
		padding: 0 0 0 7%;
		margin-bottom: 5px;
		font-size: 20px;
		border: none 
	}
}
.history-contents li:empty{
	border: none;
}