@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');
@charset "utf-8";
/* CSS Document */

*{
  margin: 0;
  padding: 0;
}

body{
  background-color: #DCE9EB;
	font-family: 'Noto Sans JP', sans-serif;
}

br.hide{
	display: none;
}

.contents{
  max-width: 1000px;
  width: 100%;
  margin:auto;
	background-color: #ffffff;
}

.contents ul.col2{
	display: flex;
	list-style: none;
	align-items: center;
	padding: 0 0 20px;

}

.contents ul.col2 li{
	width: 50%;
	padding: 1%;
	background-color: #ffffff;
}

.contents ul.col2 li img{
	display:block;
	width: 100%;
}

.contents ul.col2 li span{
	display: block;
  padding: 10px 0;
	margin: auto 20px;
  border-bottom: 1px solid #999999;
}

.contents ul.col2 li span p{
	text-indent: 80px;
}

.contents ul.col2 li small{
  color: #ff0000;
}

.contents ul.col2 li span iframe{
	max-width: 800px;
	max-height: 300px;
	aspect-ratio: 10 / 8;
	width: 100%;
	height: 100%;
}

.contents .box ul.col3{
	display: flex;
	list-style: none;
	margin-left: 1%;
  margin-right: 1%;
}

.contents .box{
	text-align: center;
	margin-bottom:50px;
}

.contents .box p{
  margin: auto 2%;
	line-height: 1.8em;
	margin-bottom: 20px;
}

.contents .box h3{
	font-size: 30px;
	display: inline-block;
	color: #003366;
  border-bottom: 1px solid #cccccc;
  margin-bottom: 20px;
}

.contents .box ul.col2.wrap{
	flex-wrap: wrap;
	justify-content: center;
}

.contents .box ul.col2 li{
	width: 47%;
}

.contents .box ul.col3 li{
	width: calc(100% / 3);
	margin: 1%;
	display: block;
}

.contents .box ul.col3 li img{
	width: 100%;
}

header{
	width: 100%;
	position: relative;
	text-align: right;
	border-bottom:5px solid #036;
}

header img.base{
	object-fit: cover;
	object-position: center;
	min-height: 100px;
	max-width: 300px;
	width: 100%;
}

header img.gradient{
	position: absolute;
	left: 0;
	opacity: 0.5;
	z-index: 1;
}

ul.link{
	display: flex;
	list-style: none;
	flex-wrap: wrap;
	justify-content: center;
	text-align: center;
	padding: 10px;
	border-top: 1px solid #cccccc;
}

ul.link li{
	margin: auto 10px;
}

@media screen and (max-width:800px) {
	.contents ul.col2,
	.contents .box ul.col3{
		display: block;
		margin: 0;
	}

	.contents ul.col2 li,
	.contents .box ul.col3 li,
	.contents .box ul.col2 li{
		width: 96%;
		padding: 2%;
		margin: 0;
	}
	
	.contents ul.col2 li img{
		max-height: 600px;
		object-fit: cover;
		object-position: top;
	}

}

@media screen and (max-width:640px) {
	header img.gradient{
		display: none;
	}
	
	header{
		text-align: center;
	}
	
	br.hide{
		display: block;
	}
}
@media screen and (max-width:480px) {
	ul.link li{
		width: 50%;
		margin: auto;
	}

}