.h1_style01 {
	text-align: center;
	font-size: 38px;
	margin-top: 1em;
	margin-bottom: 1em;
	text-decoration: underline;
}

@media screen and (max-width: 767px) {
	.h1_style01 {
		font-size: 100%;
	}
}

.h1_style01:before {
	content: '';
	background-image: url(https://armring.net/common/images/logo.png);
	display: inline-block;
	width: 1em;
	height: 1em;
	background-size: contain;
	vertical-align: middle;
	background-repeat: no-repeat;
	padding-right: 0.5em;
}

.h3_style01 {
	font-size: 200%;
	font-weight: bold;
	padding-left: 1em;
	border-left: 5px solid;
	border-image: linear-gradient(to bottom, #db0631 0%, #db0631 50%, #000000 50%, #000000 100%);
	border-image-slice: 1;
	margin-top: 1em;
	margin-bottom: 1em;
}

@media screen and (max-width: 767px) {
	.h3_style01 {
		font-size: 100%;
	}
}

.youtube_01 {
	width: 720px;
	height: 405px;
}

@media screen and (max-width: 767px) {
	.youtube_01 {
		width: 100%;
		padding-left: 10px;
		padding-right: 10px;
	}
}