.news-single-page,
.news-single-page .lower-main {
	background: #fff;
}

.news-hero .gas-hero--inner {
	min-height: 150px;
}

.news-hero h2 {
	margin: 0;
	font-size: clamp(1.75rem, 3vw, 2.45rem);
	font-weight: 700;
}

.news-article {
	width: min(1120px, calc(100% - 48px));
	margin: 54px auto 80px;
	padding: 52px 64px 58px;
	border: 1px solid #d8d8d8;
	background: #fff;
}

.news-article-header {
	padding-bottom: 28px;
	border-bottom: 2px solid #00a087;
}

.news-article-meta {
	display: flex;
	align-items: center;
	gap: 16px;
	margin-bottom: 18px;
	color: #555;
	font-size: 0.9rem;
}

.news-article-category {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 7.5em;
	padding: 0.3em 0.85em;
	border-radius: 2px;
	background: #777;
	color: #fff;
	font-size: 0.78rem;
	font-weight: 700;
	line-height: 1.35;
}

.news-article-category--event {
	background: #56758a;
}

.news-article-category--press {
	background: #536f82;
}

.news-article-category--important {
	background: #c0272d;
}

.news-article-header h1 {
	margin: 0;
	font-size: clamp(1.4rem, 2vw, 1.75rem);
	font-weight: 700;
	line-height: 1.55;
	overflow-wrap: anywhere;
}

.news-article-content {
	padding: 42px 0 18px;
	font-size: 1rem;
	line-height: 1.9;
}

.news-article-content > :first-child {
	margin-top: 0;
}

.news-article-content > :last-child {
	margin-bottom: 0;
}

.news-article-content img {
	max-width: 100%;
	height: auto;
}

.news-article-content a {
	color: #008b76;
	text-decoration: underline;
	text-underline-offset: 0.18em;
}

.news-article-content a:hover {
	text-decoration-thickness: 2px;
}

.news-page-links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 36px;
}

.news-page-links span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 40px;
	min-height: 40px;
	border: 1px solid #ccc;
}

.news-article-back {
	margin-top: 52px;
	text-align: center;
}

.news-article-back a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 280px;
	min-height: 54px;
	padding: 12px 30px;
	border: 1px solid #00a087;
	border-radius: 999px;
	background: #fff;
	color: #008b76;
	font-weight: 700;
	text-decoration: none;
	transition: background-color 0.2s ease, color 0.2s ease;
}

.news-article-back a:hover {
	background: #00a087;
	color: #fff;
}

@media (max-width: 767px) {
	.news-hero .gas-hero--inner {
		min-height: 105px;
	}

	.news-article {
		width: calc(100% - 28px);
		margin: 28px auto 52px;
		padding: 28px 20px 34px;
	}

	.news-article-header {
		padding-bottom: 20px;
	}

	.news-article-meta {
		flex-wrap: wrap;
		gap: 9px 12px;
		margin-bottom: 13px;
	}

	.news-article-header h1 {
		font-size: 1.25rem;
		line-height: 1.5;
	}

	.news-article-content {
		padding-top: 28px;
		font-size: 0.96rem;
		line-height: 1.85;
	}

	.news-article-back {
		margin-top: 34px;
	}

	.news-article-back a {
		width: 100%;
		min-width: 0;
	}
}

/* ガス機器に関する大切なお知らせ */
.gas-news-archive-page,
.gas-news-archive-page .lower-main {
	background: #fff;
}

.gas-news-hero .gas-hero--inner {
	min-height: 170px;
}

.gas-news-archive-container {
	width: min(1120px, calc(100% - 48px));
	margin: 54px auto 80px;
}

.gas-news-section + .gas-news-section {
	margin-top: 58px;
}

.gas-news-section h2 {
	margin: 0 0 20px;
	padding: 0 0 14px;
	border-bottom: 1px solid #a9262c;
	font-size: var(--lower-section-heading-text);
	font-weight: var(--lower-strong-weight);
	line-height: 1.5;
}

.gas-news-list {
	margin: 0;
	padding: 0;
	border-top: 1px solid #ddd;
	list-style: none;
}

.gas-news-list li {
	margin: 0;
	border-bottom: 1px solid #ddd;
}

.gas-news-list a {
	display: grid;
	grid-template-columns: 9.5em minmax(0, 1fr) auto;
	align-items: center;
	gap: 20px;
	min-height: 68px;
	padding: 12px;
	color: #222;
	font-size: var(--lower-action-text);
	text-decoration: none;
}

.gas-news-list a:hover .gas-news-list__title {
	color: #a9262c;
	text-decoration: underline;
	text-underline-offset: 0.2em;
}

.gas-news-list time {
	color: #555;
	font-size: 0.88rem;
	white-space: nowrap;
}

.gas-news-list__title {
	font-size: var(--lower-action-text);
	line-height: 1.65;
}

.gas-news-list__pdf {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 30px;
	border-radius: 2px;
	background: #b74a4a;
	color: #fff;
	font-size: 0.68rem;
	font-weight: 700;
}

.gas-news-empty {
	margin: 0;
	padding: 28px 18px;
	border: 1px solid #ddd;
	color: #666;
	text-align: center;
}

@media (max-width: 767px) {
	.gas-news-hero .gas-hero--inner {
		min-height: 120px;
	}

	.gas-news-archive-container {
		width: calc(100% - 28px);
		margin: 32px auto 54px;
	}

	.gas-news-section + .gas-news-section {
		margin-top: 42px;
	}

	.gas-news-section h2 {
		font-size: var(--lower-section-heading-text);
	}

	.gas-news-list a {
		grid-template-columns: minmax(0, 1fr) auto;
		gap: 8px 12px;
		padding: 15px 4px;
	}

	.gas-news-list time {
		grid-column: 1 / -1;
	}
}

/* カテゴリー・年別一覧 */
.news-archive-page,
.news-archive-page .lower-main {
	background: #fff;
}

.news-archive-container {
	width: min(1120px, calc(100% - 48px));
	margin: 54px auto 80px;
}

.news-archive-header {
	margin-bottom: 28px;
	padding-bottom: 16px;
	border-bottom: 2px solid #00a087;
}

.news-archive-header h1 {
	display: flex;
	align-items: baseline;
	gap: 18px;
	margin: 0;
	font-size: clamp(1.65rem, 2.6vw, 2.15rem);
	line-height: 1.45;
}

.news-archive-header h1 small {
	color: #666;
	font-size: 0.55em;
	font-weight: 500;
}

.news-year-navigation {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 34px;
}

.news-year-navigation a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 88px;
	min-height: 42px;
	padding: 7px 16px;
	border: 1px solid #ccc;
	border-radius: 999px;
	background: #fff;
	color: #333;
	font-size: 0.9rem;
	font-weight: 600;
	text-decoration: none;
}

.news-year-navigation a:hover,
.news-year-navigation a.is-current {
	border-color: #00a087;
	background: #00a087;
	color: #fff;
}

.news-archive-list {
	margin: 0;
	padding: 0;
	border-top: 1px solid #ddd;
	list-style: none;
}

.news-archive-list li {
	margin: 0;
	border-bottom: 1px solid #ddd;
}

.news-archive-list a {
	display: grid;
	grid-template-columns: 9.5em 9.5em minmax(0, 1fr);
	align-items: center;
	gap: 20px;
	min-height: 82px;
	padding: 16px 12px;
	color: #222;
	text-decoration: none;
}

.news-archive-list a:hover .news-archive-list__title {
	color: #008b76;
	text-decoration: underline;
	text-underline-offset: 0.2em;
}

.news-archive-list time {
	color: #555;
	font-size: 0.9rem;
	white-space: nowrap;
}

.news-archive-list__title {
	line-height: 1.65;
	transition: color 0.2s ease;
}

.news-archive-list .news-pdf-icon {
	display: inline-block;
	margin-right: 0.35em;
	padding: 0.1em 0.35em;
	border: 1px solid currentColor;
	border-radius: 2px;
	color: #c0272d;
	background: #fff;
	font-size: 0.65rem;
	font-weight: 700;
	line-height: 1.3;
	vertical-align: 0.1em;
	white-space: nowrap;
}

.news-pagination {
	margin-top: 42px;
}

.news-pagination .page-numbers {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.news-pagination .page-numbers li {
	margin: 0;
}

.news-pagination a,
.news-pagination span {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 42px;
	min-height: 42px;
	padding: 6px 12px;
	border: 1px solid #ccc;
	background: #fff;
	color: #333;
	text-decoration: none;
}

.news-pagination .current,
.news-pagination a:hover {
	border-color: #00a087;
	background: #00a087;
	color: #fff;
}

.news-archive-empty {
	padding: 52px 20px;
	border: 1px solid #ddd;
	text-align: center;
}

@media (max-width: 767px) {
	.news-archive-container {
		width: calc(100% - 28px);
		margin: 30px auto 54px;
	}

	.news-archive-header {
		margin-bottom: 20px;
	}

	.news-archive-header h1 {
		display: block;
		font-size: 1.45rem;
	}

	.news-archive-header h1 small {
		display: block;
		margin-top: 5px;
		font-size: 0.7em;
	}

	.news-year-navigation {
		gap: 7px;
		margin-bottom: 26px;
	}

	.news-year-navigation a {
		min-width: 76px;
		min-height: 38px;
		padding: 6px 12px;
		font-size: 0.82rem;
	}

	.news-archive-list a {
		grid-template-columns: 1fr auto;
		gap: 8px 12px;
		padding: 16px 4px;
	}

	.news-archive-list .news-article-category {
		min-width: 0;
	}

	.news-archive-list__title {
		grid-column: 1 / -1;
	}
}