:root {
	--news-detail-shell: var(--shell);
	--news-detail-ink: #102a5d;
	--news-detail-blue: #0c4f9f;
	--news-detail-line: rgba(18, 27, 55, 0.12);
}

.news-detail-page {
	padding-top: 94px;
	background:
		radial-gradient(circle at 24% 10%, rgba(11, 87, 164, 0.05), transparent 24%),
		linear-gradient(180deg, rgba(244, 247, 252, 0.75) 0%, rgba(255, 255, 255, 0.2) 16%, #fff 34%);
}

.news-detail-shell,
.news-detail-breadcrumb {
	width: var(--news-detail-shell);
	margin: 0 auto;
}

.news-detail-breadcrumb {
	padding: 20px 0 18px;
	border-bottom: 1px solid rgba(16, 42, 93, 0.08);
	font-size: 0.78rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	color: rgba(16, 42, 93, 0.74);
	opacity: 0;
	transform: translateY(14px);
	animation: newsDetailBreadcrumbReveal 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.42s forwards;
}

.news-detail-breadcrumb a {
	color: inherit;
}

.news-detail-breadcrumb span {
	margin: 0 16px;
	color: rgba(16, 42, 93, 0.42);
}

.news-detail-hero {
	padding: 42px 0 64px;
}

.news-detail-hero__title {
	margin: 0;
	font-size: 40px;
	font-family: var(--font-en);
	font-weight: 400;
	line-height: 1;
	letter-spacing: 0.06em;
	color: var(--news-detail-ink);
}

.news-detail-hero__subtitle {
	margin: 18px 0 0;
	font-size: 14px;
	line-height: 1.4;
	letter-spacing: 0.02em;
	color: var(--news-detail-ink);
}

.news-detail-article {
	padding-bottom: 88px;
}

.news-detail-article__header {
	max-width: 960px;
	margin: 0 auto;
	padding-top: 42px;
	overflow: hidden;
	clip-path: inset(0 0 100% 0);
	transform: translateY(42px);
	animation: newsDetailTitleReveal 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.04s forwards;
}

.news-detail-article__category {
	margin: 0 0 12px;
	font-size: 0.84rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	color: var(--news-detail-blue);
}

.news-detail-article__header h1 {
	margin: 0;
	font-size: 35px;
	font-weight: 500;
	line-height: 1.5;
	letter-spacing: 0.02em;
	color: var(--news-detail-ink);
}

.news-detail-article__date {
	display: block;
	margin-top: 18px;
	font-size: 0.84rem;
	font-weight: 500;
	letter-spacing: 0.06em;
	color: rgba(16, 42, 93, 0.72);
}

.news-detail-article__body {
	max-width: 960px;
	margin: 36px auto 0;
	padding-top: 28px;
	border-top: 1px solid var(--news-detail-line);
	opacity: 0;
	transform: translateY(28px);
	animation: newsDetailContentReveal 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.74s forwards;
}

.news-detail-article__body p {
	margin: 0;
	font-size: 0.98rem;
	line-height: 2;
	color: rgba(10, 22, 40, 0.9);
}

.news-detail-article__body p + p {
	margin-top: 18px;
}

.news-detail-back {
	display: flex;
	justify-content: center;
	margin-top: 72px;
	opacity: 0;
	transform: translateY(28px);
	animation: newsDetailContentReveal 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.74s forwards;
}

.news-detail-back__link {
	position: relative;
	display: inline-flex;
	align-items: center;
	gap: 18px;
	width: fit-content;
	padding: 0 0 18px;
	border-bottom: 1px solid rgba(16, 42, 93, 0.16);
	color: rgba(16, 42, 93, 0.46);
	text-decoration: none;
	transition: color 0.25s ease, border-color 0.25s ease;
}

.news-detail-back__link::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -1px;
	width: 100%;
	height: 1px;
	background: var(--news-detail-blue);
	transform: scaleX(0);
	transform-origin: right center;
	transition: transform 0.3s ease;
}

.news-detail-back__link:hover,
.news-detail-back__link:focus-visible {
	color: var(--news-detail-ink);
	border-color: rgba(16, 42, 93, 0.28);
}

.news-detail-back__link:hover::after,
.news-detail-back__link:focus-visible::after {
	transform: scaleX(1);
}

.news-detail-back__arrow {
	font-size: 20px;
	line-height: 1;
	display: inline-block;
	will-change: transform, opacity;
}

.news-detail-back__label {
	font-family: var(--font-en);
	font-size: 18px;
	font-weight: 400;
	letter-spacing: 0.02em;
}

.news-detail-back__link:hover .news-detail-back__arrow,
.news-detail-back__link:focus-visible .news-detail-back__arrow {
	animation: news-detail-back-arrow-pulse 0.55s ease;
}

@keyframes news-detail-back-arrow-pulse {
	0% {
		opacity: 1;
		transform: translateX(0);
	}
	35% {
		opacity: 0;
		transform: translateX(-10px);
	}
	36% {
		opacity: 0;
		transform: translateX(10px);
	}
	100% {
		opacity: 1;
		transform: translateX(0);
	}
}

@keyframes newsDetailTitleReveal {
	from {
		clip-path: inset(0 0 100% 0);
		transform: translateY(42px);
	}
	to {
		clip-path: inset(0 0 0 0);
		transform: translateY(0);
	}
}

@keyframes newsDetailBreadcrumbReveal {
	from {
		opacity: 0;
		transform: translateY(14px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes newsDetailContentReveal {
	from {
		opacity: 0;
		transform: translateY(28px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@media (max-width: 768px) {
	.news-detail-shell,
	.news-detail-breadcrumb {
		width: min(calc(100% - 80px), 100%);
	}

	.news-detail-page {
		padding-top: 38px;
	}

	.news-detail-breadcrumb {
		padding: 16px 0 14px;
		font-size: 0.72rem;
	}

	.news-detail-breadcrumb span {
		margin: 0 10px;
	}

	.news-detail-hero {
		padding: 34px 0 50px;
	}

	.news-detail-article__header {
		padding-top: 34px;
	}

	.news-detail-hero__title {
		font-size: 30px;
		line-height: 1.15;
	}

	.news-detail-hero__subtitle {
		font-size: 13px;
	}

	.news-detail-article__header h1 {
		font-size: 30px;
		line-height: 1.45;
	}

	.news-detail-article__category {
		margin-bottom: 10px;
		font-size: 0.75rem;
	}

	.news-detail-article__body {
		margin-top: 28px;
		padding-top: 22px;
	}

	.news-detail-back {
		margin-top: 52px;
	}

	.news-detail-back__link {
		padding-bottom: 14px;
	}

	.news-detail-back__label {
		font-size: 16px;
	}

	.news-detail-article {
		padding-bottom: 64px;
	}
}