/* ==========================================================================
   Concerts archive & single
   ========================================================================== */

.site-main--concerts,
.site-main--concert-single,
.site-main--news,
.site-main--news-single,
.site-main--videos {
	padding: 0;
	background: transparent;
}

.site-main--concerts > .container,
.site-main--news > .container,
.site-main--concert-single > .container,
.site-main--news-single > .container,
.site-main--videos > .container {
	max-width: none;
	padding: 0;
}

body.has-ambient-bg .site-main--videos,
body.has-ambient-bg .site-main--news,
body.has-ambient-bg .site-main--news-single {
	padding-top: 0;
}

.site-main--news.site-main--ambient,
.site-main--news-single.site-main--ambient {
	position: relative;
}

.concerts-page-shell {
	max-width: 1180px;
	margin: 0 auto;
	padding: var(--page-section-top) 20px 4rem;
}

.concerts-page__jump {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 1rem 1.5rem;
	margin-top: 2rem;
	margin-bottom: 3rem;
}

.concerts-page-shell > .concerts-section:first-of-type {
	margin-top: 0;
}

.concerts-page__jump-btn {
	display: block;
	line-height: 0;
	transition: transform 0.22s ease, filter 0.22s ease;
}

.concerts-page__jump-btn img {
	display: block;
	width: min(280px, 42vw);
	height: auto;
}

.concerts-page__jump-btn:hover,
.concerts-page__jump-btn:focus-visible {
	transform: translateY(-4px);
	filter: brightness(1.08) drop-shadow(0 10px 24px rgba(0, 0, 0, 0.35));
	outline: none;
}

.concerts-page__empty {
	margin: 0;
	text-align: center;
	color: var(--cyber-text-muted);
}

.concerts-section {
	scroll-margin-top: calc(var(--header-height) + 1.5rem);
}

.concerts-section + .concerts-section {
	margin-top: 3.5rem;
	padding-top: 3.5rem;
	border-top: 1px solid rgba(122, 162, 202, 0.2);
}

/* Flyer grid — borderless */
.concerts-page-shell .concert-flyer-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 1.25rem;
}

.concerts-page-shell .concert-flyer__frame {
	background: transparent;
	border: none;
	border-radius: 0;
	box-shadow: none;
	overflow: visible;
	transition: transform 0.22s ease, filter 0.22s ease;
}

.concerts-page-shell .concert-flyer:hover .concert-flyer__frame,
.concerts-page-shell .concert-flyer:focus-visible .concert-flyer__frame {
	transform: translateY(-6px);
	box-shadow: none;
	filter: drop-shadow(0 16px 28px rgba(0, 0, 0, 0.38));
}

.concerts-page-shell .concert-flyer__img {
	border-radius: 4px;
}

.concerts-page-shell .concert-flyer__placeholder {
	background: rgba(12, 26, 46, 0.55);
	border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Single concert
   -------------------------------------------------------------------------- */

.concert-single-shell {
	max-width: 1080px;
}

.concert-single__layout {
	display: flex;
	flex-direction: column;
	gap: 1.75rem;
}

.concert-single__flyer {
	margin: 0;
	flex: 0 0 auto;
}

.concert-single-shell .concert-flyer--single {
	max-width: min(400px, 92vw);
	margin: 0 auto;
}

.concert-single-shell .concert-flyer__frame {
	background: transparent;
	border: none;
	border-radius: 0;
	box-shadow: none;
	overflow: visible;
}

.concert-single-shell .concert-flyer__img {
	border-radius: 4px;
	filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.32));
}

.concert-single__body {
	min-width: 0;
}

.concert-single__header {
	margin: 0 0 1.25rem;
}

.concert-single__date {
	margin: 0 0 0.625rem;
	font-size: 0.875rem;
	font-weight: 400;
	line-height: 1.6;
	letter-spacing: 0.04em;
	color: rgba(242, 246, 251, 0.68);
}

.concert-single__title {
	margin: 0;
	font-family: "Noto Sans JP", sans-serif;
	font-size: clamp(1.375rem, 3.2vw, 1.75rem);
	font-weight: 700;
	line-height: 1.55;
	letter-spacing: 0.02em;
	color: #ffffff;
}

.concert-single__info {
	margin: 0 0 1.75rem;
	padding-bottom: 1.5rem;
	border-bottom: 1px solid rgba(242, 246, 251, 0.1);
}

.concert-single__info-line {
	margin: 0;
	font-size: 0.875rem;
	font-weight: 400;
	line-height: 1.85;
	letter-spacing: 0.02em;
	color: rgba(242, 246, 251, 0.86);
}

.concert-single__info-line + .concert-single__info-line {
	margin-top: 0.375rem;
}

.concert-single__info-sep {
	margin: 0 0.625em;
	color: rgba(242, 246, 251, 0.35);
}

.concert-single__info-line a {
	color: inherit;
	text-decoration: underline;
	text-decoration-color: rgba(242, 246, 251, 0.35);
	text-underline-offset: 3px;
}

.concert-single__info-line a:hover {
	color: #ffffff;
	text-decoration-color: rgba(242, 246, 251, 0.65);
}

.concert-single__cta {
	margin-bottom: 1.5rem;
}

.concert-single__content {
	margin-bottom: 0;
	font-size: 0.9375rem;
	line-height: 2;
	letter-spacing: 0.03em;
	color: rgba(242, 246, 251, 0.9);
}

.concert-single__block {
	margin-top: 2.25rem;
}

.concert-single__block-title {
	margin: 0 0 0.875rem;
	padding-left: 0.625rem;
	font-size: 1rem;
	font-weight: 700;
	line-height: 1.5;
	letter-spacing: 0.04em;
	color: #7ee8ff;
	border-left: 3px solid var(--cyber-cyan);
}

.concert-single__block-body {
	margin: 0;
	padding: 0;
	font-size: 0.9375rem;
	line-height: 2;
	letter-spacing: 0.03em;
	color: rgba(242, 246, 251, 0.9);
}

.concert-single__back {
	margin-top: 2.5rem;
	padding-top: 0;
}

.concert-single__back .btn-text-3d,
.news-single__nav .btn-text-3d {
	display: inline-block;
}

/* News single – title treatment aligned with concert single */
.news-single-shell {
	max-width: 800px;
}

.news-single__date {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	align-items: center;
}

.news-single__tag {
	padding: 0.2em 0.55em;
	border: 1px solid var(--header-teal);
	font-family: var(--font-oswald);
	font-size: 0.6875rem;
	font-weight: 500;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--header-teal);
}

.news-single__thumbnail {
	margin-bottom: 1.75rem;
	border: 1px solid rgba(242, 246, 251, 0.1);
	border-radius: 4px;
	overflow: hidden;
}

.news-single__thumbnail img {
	display: block;
	width: 100%;
	height: auto;
}

.news-single__content {
	font-size: 0.9375rem;
	line-height: 2;
	letter-spacing: 0.03em;
	color: rgba(242, 246, 251, 0.9);
}

.news-single__nav {
	margin-top: 2.5rem;
}

.site-main--concert-single.site-main--ambient,
.site-main--news-single.site-main--ambient {
	position: relative;
}

.news-archive-shell {
	max-width: 800px;
}

.news-archive__list {
	margin: 0;
}

@media (min-width: 900px) {
	.concert-single__layout {
		flex-direction: row;
		align-items: flex-start;
		gap: 2.5rem;
	}

	.concert-single__flyer {
		flex: 0 0 min(42%, 420px);
		position: sticky;
		top: calc(var(--header-height) + 1.5rem);
	}

	.concert-single-shell .concert-flyer--single {
		margin: 0;
		max-width: 100%;
	}

	.concert-single__header {
		margin-bottom: 1.5rem;
	}

	.concert-single__info {
		margin-bottom: 2rem;
		padding-bottom: 1.75rem;
	}

	.concert-single__body {
		flex: 1 1 auto;
	}
}

@media (max-width: 599px) {
	.concerts-page-shell {
		padding-inline: 16px;
	}

	.concerts-page__jump-btn img {
		width: min(240px, 78vw);
	}
}

@media (prefers-reduced-motion: reduce) {
	.concerts-page__jump-btn,
	.concerts-page-shell .concert-flyer__frame {
		transition: none;
	}
}