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

/*===============================================
●共通
===============================================*/
.headerLead {
	text-align: center;
	color: #0e53a3;
	/* font-family: "ゴシックMB101 M"; */
	line-height: 1.76em;
}

/* videoLinkBox
---------------------------------------- */
#videoLinkBox ul li {
	text-align: center;
	line-height: 1.3em;
}
#videoLinkBox ul li a {
	text-decoration: none;
	background-color: #0052a4;
	/* font-family: "ゴシックMB101 M"; */
	color: #fff;
}
#videoLinkBox ul li a span svg {
	display: inline-block;
	width: 0.7em;
	height: 0.5em;
	transform: rotate(90deg);
	fill: #fff;
	vertical-align: middle;
}

/* videoItemBox
---------------------------------------- */
#videoItemBox h3 {
	font-weight: bold;
	text-align: center;
	line-height: 1.14em;
	position: relative;
}
#videoItemBox h3:after {
	content: "";
	display: inline-block;
	background-color: #deebf9;
	width: 40px;
	height: 4px;
	vertical-align: middle;
	position: absolute;
	bottom: 0;
	left: 50%;
	margin-left: -20px;
}
#videoItemBox ul li .video {
	background-color: #000;
}
#videoItemBox ul li a {
	text-decoration: none;
	border-bottom: 1px solid #000;
	line-height: 1.5em;
}
#videoItemBox ul li a:hover {
	border-bottom: none;
}
#videoItemBox ul li .video,
#videoItemBox #videoBox .video {
	position: relative;
	width: 100%;
	padding-top: 75%;
	margin-bottom: 0.3em;
}
#videoItemBox ul li .video iframe,
#videoItemBox #videoBox .video iframe {
	position: absolute;
	top: 0;
	right: 0;
	width: 100%;
	height: 100%;
}

.videoMp4 video,
.mp4item video {
	width: 100%;
	cursor: pointer;
}
.videoDemo {
	position: relative;
	width: 100%;
	height: 0;
	padding-top: calc(360 / 640 * 100%);
}
.videoDemo > iframe {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 100%;
	height: 100%;
}

/*===============================================
●画面の横幅が729px以下
===============================================*/
@media screen and (max-width: 767px) {
	/* videoLinkBox
	---------------------------------------- */
	#videoLinkBox ul {
		margin: 1em 0 0;
	}
	#videoLinkBox ul li {
		width: 100%;
		margin-bottom: 0.8em;
	}
	#videoLinkBox ul li a {
		display: block;
		padding: 0.8em 0 0.8em 0;
	}
	#videoLinkBox ul li a:hover {
		color: #000;
	}
	#videoLinkBox ul li a span {
		margin-left: 0.5em;
	}

	/* videoItemBox
	---------------------------------------- */
	#videoItemBox {
		padding-top: 4.6em;
	}
	#videoItemBox section {
		margin-bottom: 5.3em;
	}
	#videoItemBox h3 {
		font-size: 1.35em;
		padding-bottom: 0.8em;
	}
	#videoItemBox ul {
		margin-top: 1.5em;
	}
	#videoItemBox ul li {
		margin-bottom: 2.8em;
	}
	#videoItemBox #videoBox {
		margin: 1.5em 0 5em;
	}
	#videoItemBox ul li,
	#videoItemBox #videoBox {
		width: 100%;
	}
	#videoItemBox ul li:not(:nth-child(2n)) {
		margin-right: 0.4em;
	}
	.mp4item {
		margin-top: 2.8em;
	}
}
/*===============================================
●画面の横幅が730px以上
===============================================*/
@media screen and (min-width: 768px) {
	.headerLead {
		font-size: 1.21em;
	}

	/* videoLinkBox
	---------------------------------------- */
	#videoLinkBox {
		margin: 2em 0 4em;
	}
	#videoLinkBox ul {
		display: flex;
		flex-wrap: wrap;
		justify-content: center;
		width: 100%;
	}
	#videoLinkBox ul li {
		font-size: 1.15em;
		margin: 0 2% 3.2% 0;
	}
	#videoLinkBox ul li:first-of-type {
		margin-left: 2%;
	}
	#videoLinkBox ul li:last-of-type {
		margin-right: 0;
	}
	#videoLinkBox ul li a {
		display: inline-block;
		padding: 0.3em 0.5em 0.5em 0.8em;
	}
	#videoLinkBox ul li a span svg {
		margin: 0 0 0.1em 0.8em;
	}

	/* videoItemBox
	---------------------------------------- */
	#videoItemBox section {
		margin-bottom: 3.5em;
	}
	#videoItemBox h3 {
		font-size: 1.5em;
		padding: 1em 0 0.63em;
	}
	#videoItemBox ul {
		display: flex;
		flex-wrap: wrap;
		margin-top: 2.7em;
	}
	#videoItemBox ul li:not(:nth-child(3n)) {
		margin-right: 2%;
	}
	#videoItemBox ul li {
		margin-bottom: 2em;
	}
	#videoItemBox #videoBox {
		margin: 2.7em 0 5.5em;
	}
	#videoItemBox ul li,
	#videoItemBox #videoBox {
		width: 32%;
		max-width: 300px;
	}

	#videoItemBox ul li .video iframe,
	#videoItemBox #videoBox .video iframe {
		max-width: 300px;
		max-height: 225px;
	}
	.videoWrapper {
		margin-top: 2.7em;
		margin-bottom: 5em;
	}
	.videoList {
		display: flex;
		margin: -1em;
		flex-wrap: wrap;
	}
	.mp4item {
		width: 50%;
		padding: 1em;
	}
}