main {
	margin-top: 4rem;
}

h2 {
	margin-top: -80px;
	padding-top: 80px;
	margin-bottom: 2rem;
}

hr {
	margin: 3rem 0;
}

#nihongo-class-table td:first-child,
#nihongo-class-table th:first-child {
	word-break: keep-all;
}

.googlemap {
	margin: 2rem 1rem;
	height: 0;
	overflow: hidden;
	padding-bottom: 75%;
	position: relative;
}

.googlemap iframe {
	position: absolute;
	left: 0;
	top: 0;
	height: 100%;
	width: 100%;
}

footer {
	margin-bottom: 30rem;
}

/* ルビ（ふりがな）付きテキストの背景調整 */
.ruby-bg-extend {
	padding-top: 0.35em !important;
	margin-top: 0.35em !important;
	display: inline;
	width: 100%;
	vertical-align: bottom;
}