@font-face {
	font-family: 'Noto Serif JP';
	src: url('/common/fonts/NotoSerifJP-Regular.woff2') format('woff2');
	font-weight: 400;
	font-style: normal;
	font-display: swap;
}

.noto-serif-jp-400 {
	font-family: "Noto Serif JP", serif;
	font-optical-sizing: auto;
	font-weight: 400;
	font-style: normal;
}

#contents {
	background: -moz-linear-gradient(top, #0D0908, #1C252C, #42616D);
	background: -webkit-linear-gradient(top, #0D0908, #1C252C 70%, #42616D);
	background: linear-gradient(to bottom, #0D0908, #1C252C, #42616D);
}

#footer {
	background-image: none;
	background-repeat: no-repeat;
	background-position: center top;
	padding-top: 16px;
	margin-top: 0;
}

.mv-area {
	height: auto;
	overflow: hidden;
}

.bg-black {
	background-color: #000000;
}

.w-100 {
	width: 100%;
}

.w-50 {
	width: 50%;
}

.min-w-300px {
	min-width: 300px;
}

.pb-100px {
	padding-bottom: 100px;
}

.h-auto {
	height: auto;
}

.mb-20px {
	margin-bottom: 20px;
}

.fs-18px {
	font-size: 18px;
}

.mv-image-area {
	left: 50%;
	transform: translateX(-50%);
}

@media (max-width: 768px) {
	.img-intro01-area {
		position: absolute;
		width: 200px;
		height: 200px;
		top: -260px;
		right: 3%;
		opacity: 0.6;
	}

	.img-intro02-area {
		position: absolute;
		width: 170px;
		height: 170px;
		top: -90px;
		left: 10%;
		opacity: 0.6;
	}
}

@media (max-width: 992px) {

	.intro-text {
		display: flex;
		justify-content: center;
		align-items: center;
		text-align: center;
		font-size: 15px;
		line-height: 2;
	}

	.intro-area {
		padding-bottom: 60px;
	}

	.main-area {
		background-image: url('/activity/jododaira-observatory/img/img_about_frame01_sp.png'),
				url('/activity/jododaira-observatory/img/img_about_frame02_sp.png'),
				url('/activity/jododaira-observatory/img/img_about_frame_sp.png')
				;
		background-repeat: no-repeat, no-repeat, no-repeat;
		background-position: left top, right top, center bottom;
		background-size: auto, auto, 50vw;
		padding-left: 0 !important;
		padding-right: 0 !important;
	}

	.main-inner {
		padding-top: 50px;
		padding-bottom: 70px;
	}

	.about-area {
		padding-left: 20px;
		padding-right: 20px;
		margin-bottom: 30px;
	}

	.about-text-head {
		font-size: 24px;
		margin-top: 25px;
		margin-bottom: 16px;
		text-align: center;
	}

	.about-text {
		font-size: 14px;
		line-height: 2.1;
	}

	.about-image-size-area {
		width: 250px;
		height: 250px;
	}

	.access-area {
		margin-top: 40px;
		padding-left: 25px;
		padding-right: 25px;
	}

	.access-text-head {
		font-size: 30px;
		margin-bottom: 18px;
	}

	.access-width {
		width: 100%;
	}

	.access-map-width {
		width: 100%;
	}

	.access-map-area {
		width: 100%;
		margin-top: 30px;
		border: 2px solid #ffffff;
		padding: 3px;
		display: inline-block;
	}

	.access-map-size-area {
		width: 100%;
		height: 450px;
	}

	dl {
		margin-bottom: 16px;
		font-size: 13px;
	}

	dt {
		text-align: start;
		margin-right: 10px;
	}

	dt span {
		display: inline-block;
		text-align: center;
		border: 1px solid #ffffff;
		border-radius: 15px;
		width: 100px;
		padding-top: 2px;
		padding-bottom: 2px;
	}
}

@media (min-width: 992px) {
	.mv-size-area {
		width: 100vw !important;
	}

	.intro-text {
		display: flex;
		justify-content: center;
		align-items: center;
		text-align: center;
		font-size: 22px;
		line-height: 2;
	}

	.intro-area {
		padding-top: 40px;
		padding-bottom: 40px;
	}

	.main-area {
		background-image: url('/activity/jododaira-observatory/img/img_about_frame01.png'),
				url('/activity/jododaira-observatory/img/img_about_frame02.png'),
				url('/activity/jododaira-observatory/img/img_about_frame03.png'),
				url('/activity/jododaira-observatory/img/img_about_frame04.png')
				;
		background-repeat: no-repeat, no-repeat;
		background-position: left top, right top, right bottom, left bottom;
		background-size: auto, auto;
	}

	.main-inner {
		padding-top: 120px;
		padding-right: 80px;
		padding-bottom: 120px;
		padding-left: 80px;
	}

	.about-area {
		padding-left: 40px;
		padding-right: 40px;
		margin-bottom: 60px;
	}

	.about-image-size-area {
		width: 300px;
		height: 300px;
	}

	.about-text-head {
		font-size: 30px;
		margin-bottom: 16px;
	}

	.about-text {
		font-size: 15px;
		line-height: 2.1;
	}

	.about-text-area {
		padding-left:30px;
	}

	.access-area {
		margin-top: 60px;
	}

	.access-text-head {
		font-size: 30px;
		margin-bottom: 18px;
	}

	.access-width {
		width: 50%;
	}

	.access-map-area {
		border: 2px solid #ffffff;
		padding: 3px;
		display: inline-block;
	}

	.access-map-size-area {
		width: 420px;
		height: 320px;
	}

	dl {
		margin-bottom: 16px;
	}

	dt {
		width: 120px;
		text-align: center;
		margin-right: 10px;
	}

	dt span {
		display: inline-block;
		border: 1px solid #ffffff;
		border-radius: 15px;
		width: 100%;
		padding-top: 2px;
		padding-bottom: 2px;
	}
}

.access-map-area iframe {
	display: block;
}

dd {
	padding-top: 2px;
}