.top_summary_title {
	padding: 4px 0px;
	border-radius: 0.5rem;
	background-color: rgba(0, 0, 0, 0.6);
	color: white;
	text-align: center;
	font-size: 1.77rem;
}

.top_summary_detail {
	font-size: 1.55rem;
	margin: 2px auto 20px;
}

#top_contents {
	width: 95%;
	margin: 0px auto 20px;
}

#top_schedule {
	margin: 0px auto 20px;
	padding: 10px;
	border-radius: 0.5rem;
	background-color: rgba(42, 137, 219, 0.3);
	text-align: center;
}

.top_schedule_title {
	font-size: 1.77rem;
	font-weight: bold;
	margin-bottom: 0.5rem;
}

.top_schedule_detail {
	font-size: 1.55rem;
}

#top_news {
	margin: 0px auto 20px;
	padding: 5px 20px;
	border: 1px solid black;
	border-radius: 0.5rem;
}

.top_news_title {
	font-size: 1.77rem;
	padding-bottom: 5px;
	border-bottom: 1px solid black;
}

#top_sponsor {
	padding: 10px;
	margin-bottom: 1rem;
	border-radius: 0.5rem;
	background-color: rgba(0, 0, 0, 0.6);
	color: white;
	text-align: center;
}

.top_sponsor_title {
	font-weight: bold;
	font-size: 1.77rem;
}

.top_sponsor_detail {
	font-size: 1.55rem;
}

.top_pamphlet_title {
	margin-bottom: 0.5rem;
	font-weight: bold;
	font-size: 1.77rem;
	color: rgba(42, 137, 219, 1);
	text-align: center;
}

.top_pamphlet_image {
	width: 50%;
	margin: 0px auto 20px;
}

#top_banner {
	margin-bottom: 1rem;
}

.top_banner_detail {
	color: red;
	font-size: 1.55rem;
	text-align: center;
}

.top_video_detail {
	color: red;
	font-size: 1.55rem;
	text-align: center;
}

.top_video_iframe {
	display: flex;
	justify-content: space-between;
	width: 100%;
}

.top_video_iframe iframe {
	width: 49%;
	height: auto;
	aspect-ratio: 16 / 9;
	/* アスペクト比を設定 */
}