.main {
	min-height: 100vh;
}
.sub-fotter {
	position: relative;
}
.twitter-banner {
	padding: 0.5rem 1rem;
	margin-top: 5rem;
}
.sub-footer .twitter-banner-inner {
	padding: 0;
}
.twitter-account {
	display: flex;
	align-items: center;
	filter: brightness(1) drop-shadow(0 0 3px var(--oa-orange));
	transition-property: filter;
	transition-duration: 0.33s;
}
.twitter-icon {
	width: 1.6rem;
	height: 1.6rem;
	margin-right: 0.5rem;
}
.twitter-banner-text {
	font-size: 1.4rem;
	font-weight: 600;
	color: white;
}
.copyright-text {
	color: var(--oa-grey);
	font-size: 0.6rem;
	margin-left: auto;
	white-space: nowrap;
	text-align: right;
	font-weight: 400;
}
.notice-page,
.covid-page {
	padding: 2rem 4rem 4rem;
	font-size: 0.85rem;
	color: var(--oa-grey);
	line-height: 1.7;
}
.notice-page {
	padding-top: 5rem;
	position: relative;
}
.notice-page-head,
.covid-page-head {
	text-align: center;
	font-weight: 600;
	margin-bottom: 2rem;
	font-size: 1.05rem;
	line-height: 1.6;
}
.notice-page-head {
	margin-top: 1rem;
}
.notice-page-head2,
.covid-page-head2,
.covid-page-head3 {
	font-weight: 600;
	padding-top: 1rem;
	margin-bottom: 0.5rem;
	font-size: 0.95rem;
}
.notice-page-head2,
.covid-page-head2 {
	border-top: 1px solid var(--oa-liteliteblue);
}
.notice-page-text,
.covid-page-text {
	padding-bottom: 1rem;
}
.notice-page li,
.covid-page li {
	margin-top: 0.3rem;
}
.close-page-box {
	text-align: center;
	margin-top: 4rem;
}
.close-page-button {
	padding: 0.5rem;
	border: 1px solid var(--oa-liteblue);
	color: var(--oa-liteblue);
	background-color: var(--oa-white);
	font-size: 0.95rem;
	display: inline-block;
	line-height: 1;
	transition-duration: 0.33s;
}
.close-page-button:hover {
	background-color: var(--oa-liteblue);
	color: var(--oa-white);
}
@media screen and (max-width: 768px) {
	.twitter-icon {
		width: 1.2rem;
		height: 1.2rem;
		margin-right: 0.25rem;
	}
	.twitter-banner-text {
		font-size: 1.1rem;
	}
	.twitter-banner-inner {
		flex-direction: row;
		align-items: center;
	}
	.notice-page,
	.covid-page {
		padding: 2rem 1rem 2rem;
	}
	.notice-page {
		padding-top: 4rem;
	}
	.url-text {
		word-break: break-all;
	}
}