@charset "UTF-8";

/* ==================================================
   Pieces Single Page
   Classical / Editorial Theme
================================================== */

/* ---------- Page Base ---------- */

body.single-pieces {
	background: #f5f0e8;
}

body.single-pieces #main_content,
body.single-pieces .l-mainContent__inner {
	background: transparent;
}

.piece-single {
	--piece-color-text: #2d2722;
	--piece-color-muted: #786d62;
	--piece-color-border: #d8ccba;
	--piece-color-border-strong: #bda77f;
	--piece-color-paper: #fffdf8;
	--piece-color-paper-soft: #f3ece1;
	--piece-color-ivory: #f7f1e6;
	--piece-color-wine: #4b1019;
	--piece-color-wine-dark: #321015;
	--piece-color-gold: #a9854f;
	--piece-color-gold-light: #d6c39b;
	--piece-color-dark: #171310;
	--piece-color-white: #ffffff;
	--piece-shadow-soft: 0 10px 30px rgba(42, 31, 22, 0.07);
	--piece-shadow-dark: 0 18px 45px rgba(18, 12, 9, 0.22);

	color: var(--piece-color-text);
	font-size: 1rem;
	line-height: 1.9;
	letter-spacing: 0.015em;
}

.piece-single,
.piece-single *,
.piece-single *::before,
.piece-single *::after {
	box-sizing: border-box;
}

.piece-single a {
	text-decoration: none;
	transition:
		color 0.18s ease,
		background-color 0.18s ease,
		border-color 0.18s ease,
		box-shadow 0.18s ease,
		transform 0.18s ease;
}

.piece-single a:hover {
	opacity: 1;
}

.piece-single a:focus-visible,
.piece-single button:focus-visible {
	outline: 2px solid var(--piece-color-gold);
	outline-offset: 3px;
}


/* ==================================================
   Back to Piece List
================================================== */

.piece-back-nav {
	margin: 0 0 1rem;
}

.piece-back-link {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	min-height: 2.55rem;
	padding: 0.48rem 0.9rem;
	border: 1px solid var(--piece-color-border-strong);
	border-radius: 2px;
	background: rgba(255, 253, 248, 0.72);
	color: var(--piece-color-wine-dark);
	font-size: 0.88rem;
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: 0.025em;
	box-shadow: 0 4px 12px rgba(42, 31, 22, 0.04);
}

.piece-back-link:hover {
	border-color: var(--piece-color-gold);
	background: #fffdf8;
	color: var(--piece-color-wine);
	box-shadow: 0 6px 16px rgba(42, 31, 22, 0.08);
	transform: translateY(-1px);
}

.piece-back-link__arrow {
	color: var(--piece-color-gold);
	font-size: 1.1em;
	line-height: 1;
}

.piece-back-link__arrow--right {
	order: 2;
}


/* ==================================================
   Hero
================================================== */

.piece-hero {
	position: relative;
	overflow: hidden;
	margin-bottom: 2.8rem;
	padding: clamp(2rem, 5vw, 3.4rem) clamp(1.4rem, 5vw, 3.2rem);
	border: 1px solid #624b38;
	border-radius: 2px;
	background:
		radial-gradient(circle at 88% 18%, rgba(169, 133, 79, 0.14), transparent 24rem),
		radial-gradient(circle at 8% 110%, rgba(101, 25, 36, 0.56), transparent 30rem),
		linear-gradient(135deg, #171310 0%, #261417 48%, #3c1018 100%);
	box-shadow: var(--piece-shadow-dark);
	color: var(--piece-color-ivory);
}

.piece-hero::before {
	content: "";
	position: absolute;
	inset: 8px;
	border: 1px solid rgba(214, 195, 155, 0.18);
	pointer-events: none;
}

.piece-hero::after {
	content: "";
	position: absolute;
	left: clamp(1.4rem, 5vw, 3.2rem);
	bottom: 0;
	width: 92px;
	height: 3px;
	background: linear-gradient(90deg, var(--piece-color-gold), rgba(169, 133, 79, 0));
}

.piece-title {
	position: relative;
	z-index: 1;
	margin: 0;
	color: #f2e5ca;
	font-family: Georgia, "Times New Roman", "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
	font-size: clamp(2rem, 4.8vw, 3.35rem);
	font-weight: 600;
	line-height: 1.24;
	letter-spacing: 0.035em;
	text-wrap: balance;
	text-shadow: 0 2px 15px rgba(0, 0, 0, 0.25);
}

.piece-subtitle {
	position: relative;
	z-index: 1;
	margin: 0.8rem 0 0;
	color: #c9baa1;
	font-family: Georgia, "Times New Roman", "Noto Serif JP", "Yu Mincho", serif;
	font-size: 1.04rem;
	line-height: 1.7;
	letter-spacing: 0.035em;
}


/* ---------- Difficulty Badge ---------- */

.piece-badges {
	position: relative;
	z-index: 1;
	display: flex;
	flex-wrap: wrap;
	gap: 0.55rem;
	margin-top: 1.3rem;
}

.piece-badge {
	display: inline-flex;
	align-items: center;
	min-height: 2rem;
	padding: 0.28rem 0.78rem;
	border: 1px solid rgba(214, 195, 155, 0.6);
	border-radius: 2px;
	background: rgba(16, 12, 10, 0.32);
	color: #ead9b7;
	font-size: 0.86rem;
	font-weight: 600;
	line-height: 1.4;
	letter-spacing: 0.04em;
}


/* ---------- Status Message ---------- */

.piece-status {
	position: relative;
	z-index: 1;
	margin-top: 1rem;
	padding: 0.9rem 1rem;
	border: 1px solid var(--piece-color-border-strong);
	border-left: 4px solid var(--piece-color-wine);
	border-radius: 2px;
	background: var(--piece-color-paper-soft);
	color: var(--piece-color-text);
	font-size: 0.94rem;
}

.piece-hero .piece-status {
	border-color: rgba(214, 195, 155, 0.35);
	border-left-color: var(--piece-color-gold);
	background: rgba(255, 253, 248, 0.08);
	color: #eadfca;
}


/* ---------- Mini Links ---------- */

.piece-mini-links {
	position: relative;
	z-index: 1;
	display: flex;
	flex-wrap: wrap;
	gap: 0.65rem;
	margin-top: 1.45rem;
}

.piece-mini-links a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 2.35rem;
	padding: 0.42rem 0.85rem;
	border: 1px solid rgba(214, 195, 155, 0.46);
	border-radius: 2px;
	background: rgba(255, 255, 255, 0.035);
	color: #ddcba7;
	font-size: 0.86rem;
	font-weight: 600;
	letter-spacing: 0.035em;
}

.piece-mini-links a:hover {
	border-color: var(--piece-color-gold-light);
	background: rgba(214, 195, 155, 0.1);
	color: #fff4dc;
}


/* ---------- Anchor Offset ---------- */

#sheet-music,
#free-downloads,
#individual-scores,
#included-books {
	scroll-margin-top: 100px;
}


/* ==================================================
   Section Base
================================================== */

.piece-section {
	position: relative;
	margin: 2.2rem 0;
	padding: clamp(1.5rem, 4vw, 2.25rem);
	border: 1px solid var(--piece-color-border);
	border-top: 3px solid var(--piece-color-gold);
	border-radius: 2px;
	background: var(--piece-color-paper);
	box-shadow: var(--piece-shadow-soft);
}

.piece-section > h2 {
	position: relative;
	margin: 0 0 1.55rem;
	padding: 0 0 0.85rem;
	border-bottom: 1px solid var(--piece-color-border);
	color: var(--piece-color-wine);
	font-family: Georgia, "Times New Roman", "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
	font-size: clamp(1.4rem, 3vw, 1.68rem);
	font-weight: 600;
	line-height: 1.45;
	letter-spacing: 0.035em;
}

.piece-section > h2::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -1px;
	width: 72px;
	height: 2px;
	background: var(--piece-color-wine);
}

.piece-subsection {
	margin-top: 1.9rem;
	padding-top: 1.75rem;
	border-top: 1px solid var(--piece-color-border);
}

.piece-subsection:first-of-type {
	margin-top: 0;
	padding-top: 0;
	border-top: 0;
}

.piece-subsection h3,
.piece-video-block h3 {
	position: relative;
	margin: 0 0 0.95rem;
	padding-left: 0.85rem;
	color: var(--piece-color-wine-dark);
	font-family: Georgia, "Times New Roman", "Noto Serif JP", "Yu Mincho", serif;
	font-size: 1.12rem;
	font-weight: 600;
	line-height: 1.55;
	letter-spacing: 0.025em;
}

.piece-subsection h3::before,
.piece-video-block h3::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0.25em;
	bottom: 0.25em;
	width: 3px;
	background: var(--piece-color-gold);
}


/* ==================================================
   Video
================================================== */

.piece-video-block + .piece-video-block {
	margin-top: 2rem;
	padding-top: 1.8rem;
	border-top: 1px solid var(--piece-color-border);
}

.piece-embed {
	overflow: hidden;
	border: 1px solid #3c3028;
	border-radius: 2px;
	background: #000;
	box-shadow: 0 10px 28px rgba(32, 22, 16, 0.14);
}

.piece-embed iframe {
	display: block;
	width: 100%;
	max-width: 100%;
	height: auto;
	aspect-ratio: 16 / 9;
}


/* ==================================================
   Buttons
================================================== */

.piece-button-list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}

.piece-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 2.75rem;
	padding: 0.6rem 1.15rem;
	border: 1px solid var(--piece-color-wine);
	border-radius: 2px;
	background: linear-gradient(180deg, #5a1722 0%, var(--piece-color-wine) 100%);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
	color: #fff8ea;
	font-size: 0.9rem;
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: 0.025em;
	text-align: center;
}

.piece-button:hover {
	border-color: var(--piece-color-wine-dark);
	background: var(--piece-color-wine-dark);
	box-shadow: 0 5px 14px rgba(75, 16, 25, 0.18);
	color: #ffffff;
	transform: translateY(-1px);
}

/* Free downloads use a quieter outlined button. */

.piece-sheet-music .piece-subsection:first-of-type .piece-button {
	border-color: var(--piece-color-gold);
	background: transparent;
	box-shadow: none;
	color: var(--piece-color-wine-dark);
}

.piece-sheet-music .piece-subsection:first-of-type .piece-button:hover {
	border-color: var(--piece-color-wine);
	background: var(--piece-color-wine);
	color: #fff8ea;
}


/* ==================================================
   Platform Cards
================================================== */

.piece-platform-list {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1rem;
}

.piece-platform-card {
	display: flex;
	align-items: center;
	gap: 0.95rem;
	min-height: 5.6rem;
	padding: 1rem;
	border: 1px solid var(--piece-color-border-strong);
	border-top: 2px solid var(--piece-color-gold);
	border-radius: 2px;
	background: linear-gradient(145deg, #fffdf8 0%, #f5eee3 100%);
	color: var(--piece-color-text);
	box-shadow: 0 6px 16px rgba(55, 40, 28, 0.05);
}

.piece-platform-card:hover {
	border-color: var(--piece-color-gold);
	background: #fffaf1;
	box-shadow: 0 10px 22px rgba(55, 40, 28, 0.09);
	color: var(--piece-color-wine-dark);
	transform: translateY(-2px);
}

.piece-platform-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	flex: 0 0 3rem;
	width: 3rem;
	height: 3rem;
	border: 1px solid var(--piece-color-gold);
	border-radius: 2px;
	background: var(--piece-color-wine);
	color: #f5e8ce;
	font-family: Georgia, "Times New Roman", serif;
	font-size: 1.28rem;
	font-weight: 700;
	line-height: 1;
}

.piece-platform-body {
	display: flex;
	flex-direction: column;
	gap: 0.15rem;
	min-width: 0;
}

.piece-platform-name {
	color: var(--piece-color-wine-dark);
	font-family: Georgia, "Times New Roman", "Noto Serif JP", serif;
	font-size: 1.05rem;
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: 0.02em;
}

.piece-platform-note {
	color: var(--piece-color-muted);
	font-size: 0.82rem;
	line-height: 1.45;
}

/* Keep every platform within the same classical palette. */

.piece-platform-card--stores,
.piece-platform-card--piascore,
.piece-platform-card--mymusic5 {
	border-color: var(--piece-color-border-strong);
}

.piece-platform-card--stores .piece-platform-icon,
.piece-platform-card--piascore .piece-platform-icon,
.piece-platform-card--mymusic5 .piece-platform-icon {
	background: var(--piece-color-wine);
	color: #f5e8ce;
}

.piece-platform-card--stores:hover,
.piece-platform-card--piascore:hover,
.piece-platform-card--mymusic5:hover {
	border-color: var(--piece-color-gold);
	background: #fffaf1;
}


/* ==================================================
   Book Cards
================================================== */

.piece-book-list {
	display: grid;
	gap: 1.25rem;
}

.piece-book-card {
	display: grid;
	grid-template-columns: 150px minmax(0, 1fr);
	gap: 1.35rem;
	align-items: start;
	padding: 1.35rem;
	border: 1px solid var(--piece-color-border-strong);
	border-radius: 2px;
	background:
		linear-gradient(135deg, rgba(169, 133, 79, 0.045), transparent 50%),
		var(--piece-color-paper-soft);
}

.piece-book-card--no-cover {
	grid-template-columns: 1fr;
}

.piece-book-cover {
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	width: 150px;
	margin: 0;
	aspect-ratio: 3 / 4;
	border: 1px solid #a99370;
	border-radius: 1px;
	background: #e9dfd0;
	color: var(--piece-color-muted);
	box-shadow: 0 8px 20px rgba(45, 31, 21, 0.18);
}

.piece-book-cover img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.piece-book-content {
	min-width: 0;
}

.piece-book-content h4 {
	margin: 0 0 1rem;
	padding-bottom: 0.65rem;
	border-bottom: 1px solid var(--piece-color-border);
	color: var(--piece-color-wine-dark);
	font-family: Georgia, "Times New Roman", "Noto Serif JP", "Yu Mincho", serif;
	font-size: clamp(1.1rem, 2.2vw, 1.32rem);
	font-weight: 600;
	line-height: 1.55;
	letter-spacing: 0.025em;
}

.piece-book-action-list {
	display: grid;
	gap: 0.75rem;
	margin-top: 0.9rem;
}

.piece-book-action {
	display: grid;
	grid-template-columns: minmax(155px, 0.36fr) 1fr;
	gap: 0.9rem;
	align-items: center;
}

.piece-book-action .piece-button {
	width: 100%;
	min-height: 2.55rem;
	padding-inline: 0.9rem;
}

.piece-book-action-note {
	color: var(--piece-color-muted);
	font-size: 0.84rem;
	line-height: 1.6;
}


/* ==================================================
   Text Sections
================================================== */

.piece-text {
	color: var(--piece-color-text);
	font-size: 1rem;
	line-height: 1.95;
}

.piece-text > *:first-child {
	margin-top: 0;
}

.piece-text > *:last-child {
	margin-bottom: 0;
}

.piece-text p {
	margin: 0 0 1.15em;
}

.piece-text a {
	color: var(--piece-color-wine);
	text-decoration: underline;
	text-decoration-color: rgba(75, 16, 25, 0.35);
	text-underline-offset: 0.18em;
}

.piece-text a:hover {
	color: var(--piece-color-wine-dark);
	text-decoration-color: currentColor;
}


/* ==================================================
   Piece Information
================================================== */

.piece-info-list {
	display: grid;
	gap: 0;
	overflow: hidden;
	margin: 0;
	border: 1px solid var(--piece-color-border-strong);
	border-radius: 2px;
	background: var(--piece-color-paper);
}

.piece-info-list > div {
	display: grid;
	grid-template-columns: minmax(140px, 0.34fr) 1fr;
	margin: 0;
	border-bottom: 1px solid var(--piece-color-border);
}

.piece-info-list > div:last-child {
	border-bottom: 0;
}

.piece-info-list dt,
.piece-info-list dd {
	margin: 0;
	padding: 0.85rem 1rem;
}

.piece-info-list dt {
	border-right: 1px solid var(--piece-color-border);
	background: #eee5d8;
	color: var(--piece-color-wine-dark);
	font-family: Georgia, "Times New Roman", "Noto Serif JP", serif;
	font-weight: 600;
	letter-spacing: 0.02em;
}

.piece-info-list dd {
	background: #fffdf8;
	color: var(--piece-color-text);
}


/* ==================================================
   Related Cards
================================================== */

.piece-card-list {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1rem;
}

.piece-link-card {
	display: flex;
	flex-direction: column;
	gap: 0.45rem;
	min-height: 8rem;
	padding: 1.15rem;
	border: 1px solid var(--piece-color-border);
	border-top: 2px solid var(--piece-color-gold);
	border-radius: 2px;
	background: var(--piece-color-paper-soft);
	color: var(--piece-color-text);
}

.piece-link-card:hover {
	border-color: var(--piece-color-gold);
	background: #fffaf1;
	box-shadow: 0 8px 18px rgba(55, 40, 28, 0.07);
	color: var(--piece-color-wine-dark);
	transform: translateY(-2px);
}

.piece-link-card span {
	color: var(--piece-color-muted);
	font-size: 0.78rem;
	font-weight: 700;
	line-height: 1.5;
	letter-spacing: 0.075em;
	text-transform: uppercase;
}

.piece-link-card strong {
	color: var(--piece-color-wine-dark);
	font-family: Georgia, "Times New Roman", "Noto Serif JP", "Yu Mincho", serif;
	font-size: 1rem;
	font-weight: 600;
	line-height: 1.6;
}


/* ==================================================
   Related Pieces
================================================== */

.piece-related-piece-list {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1rem;
}

.piece-related-piece-card {
	display: flex;
	flex-direction: column;
	min-height: 9.2rem;
	padding: 1.15rem;
	border: 1px solid var(--piece-color-border);
	border-top: 2px solid var(--piece-color-gold);
	border-radius: 2px;
	background:
		linear-gradient(145deg, rgba(169, 133, 79, 0.045), transparent 58%),
		var(--piece-color-paper-soft);
	color: var(--piece-color-text);
	box-shadow: 0 5px 14px rgba(55, 40, 28, 0.04);
}

.piece-related-piece-card:hover {
	border-color: var(--piece-color-gold);
	background: #fffaf1;
	color: var(--piece-color-wine-dark);
	box-shadow: 0 9px 20px rgba(55, 40, 28, 0.08);
	transform: translateY(-2px);
}

.piece-related-piece-card__title {
	color: var(--piece-color-wine-dark);
	font-family: Georgia, "Times New Roman", "Noto Serif JP", "Yu Mincho", serif;
	font-size: 1.04rem;
	font-weight: 600;
	line-height: 1.55;
	letter-spacing: 0.02em;
}

.piece-related-piece-card__composer {
	margin-top: 0.4rem;
	color: var(--piece-color-muted);
	font-size: 0.84rem;
	line-height: 1.5;
}

.piece-related-piece-card__difficulty {
	align-self: flex-start;
	margin-top: auto;
	padding-top: 0.75rem;
	color: var(--piece-color-gold);
	font-size: 0.79rem;
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: 0.025em;
}

.piece-related-pieces__footer {
	display: flex;
	justify-content: center;
	margin-top: 1.35rem;
}

.piece-back-link--footer {
	background: transparent;
}


/* ==================================================
   Sheet Music Emphasis
================================================== */

.piece-sheet-music {
	border-color: var(--piece-color-border-strong);
	border-top-color: var(--piece-color-wine);
	background:
		radial-gradient(circle at 100% 0%, rgba(169, 133, 79, 0.08), transparent 22rem),
		linear-gradient(145deg, #fffdf8 0%, #f8f2e9 100%);
}

.piece-sheet-music > h2::after {
	background: var(--piece-color-gold);
}


/* ==================================================
   Responsive
================================================== */

@media (max-width: 960px) {
	.piece-card-list,
	.piece-related-piece-list {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.piece-platform-list {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 600px) {
	.piece-single {
		line-height: 1.85;
	}

	.piece-hero {
		margin-bottom: 1.7rem;
		padding: 2rem 1.25rem;
	}

	.piece-hero::before {
		inset: 6px;
	}

	.piece-hero::after {
		left: 1.25rem;
	}

	.piece-title {
		font-size: clamp(1.9rem, 9vw, 2.45rem);
	}

	.piece-subtitle {
		font-size: 0.98rem;
	}

	.piece-section {
		margin: 1.5rem 0;
		padding: 1.35rem 1.1rem;
	}

	.piece-section > h2 {
		margin-bottom: 1.3rem;
		font-size: 1.35rem;
	}

	.piece-mini-links,
	.piece-badges,
	.piece-button-list {
		gap: 0.55rem;
	}

	.piece-mini-links a,
	.piece-button {
		width: 100%;
	}

	.piece-platform-card {
		min-height: auto;
		padding: 0.9rem;
	}

	.piece-platform-icon {
		flex-basis: 2.8rem;
		width: 2.8rem;
		height: 2.8rem;
	}

	.piece-info-list > div {
		grid-template-columns: 1fr;
	}

	.piece-info-list dt {
		padding-bottom: 0.35rem;
		border-right: 0;
		border-bottom: 0;
	}

	.piece-info-list dd {
		padding-top: 0.35rem;
	}

	.piece-card-list,
	.piece-related-piece-list {
		grid-template-columns: 1fr;
	}

	.piece-related-piece-card {
		min-height: 0;
	}

	.piece-back-link {
		min-height: 2.45rem;
		padding-inline: 0.78rem;
		font-size: 0.84rem;
	}

	.piece-book-card {
		grid-template-columns: 105px minmax(0, 1fr);
		gap: 0.95rem;
		padding: 1rem;
	}

	.piece-book-card--no-cover {
		grid-template-columns: 1fr;
	}

	.piece-book-cover {
		width: 105px;
	}

	.piece-book-content h4 {
		margin-bottom: 0.8rem;
		font-size: 1.02rem;
	}

	.piece-book-action {
		display: block;
	}

	.piece-book-action + .piece-book-action {
		margin-top: 0.65rem;
	}

	.piece-book-action-note {
		display: none;
	}

	.piece-book-action .piece-button {
		width: 100%;
	}
}

@media (max-width: 420px) {
	.piece-book-card {
		grid-template-columns: 1fr;
	}

	.piece-book-cover {
		width: min(170px, 62%);
	}
}

@media (prefers-reduced-motion: reduce) {
	.piece-single a {
		transition: none;
	}
}