/**
 * Sitemap page – サイトマップ
 * Findability-first, light decoration.
 */

.sitemap-page .js-fade-up {
	opacity: 0;
	transform: translateY(16px);
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* FV */
.sm-fv {
	position: relative;
	background: linear-gradient(180deg, var(--color-bg-lavender-light) 0%, var(--color-bg-white) 100%);
	padding-block: var(--space-3xl) var(--space-2xl);
	border-bottom: 1px solid var(--color-border-divider);
	overflow: hidden;
}

.sm-fv__bg {
	position: absolute;
	inset: 0;
	pointer-events: none;
}

.sm-fv__deco--leaves {
	position: absolute;
	top: 28px;
	left: max(2%, calc((100% - var(--container-max)) / 2 - 10px));
	opacity: 0.55;
	width: 120px;
	height: auto;
}

.sm-fv__deco--bird {
	position: absolute;
	top: 40px;
	right: max(6%, calc((100% - var(--container-max)) / 2));
	opacity: 0.75;
}

.sm-fv__inner {
	position: relative;
	text-align: center;
	max-width: 640px;
	margin-inline: auto;
}

.sm-fv__en {
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-bold);
	color: var(--color-primary);
	letter-spacing: 0.14em;
	margin-bottom: var(--space-sm);
}

.sm-fv__title {
	font-size: clamp(1.75rem, 3.5vw, 2.25rem);
	font-weight: var(--font-weight-bold);
	color: var(--color-text-primary);
	line-height: var(--line-height-tight);
	margin-bottom: var(--space-sm);
}

.sm-fv__lead {
	font-size: var(--font-size-md);
	color: #555;
	line-height: var(--line-height-loose);
}

/* Map grid */
.sm-map {
	position: relative;
	padding-block: var(--space-4xl);
	background:
		radial-gradient(ellipse 40% 30% at 90% 10%, rgba(243, 236, 250, 0.55) 0%, transparent 70%),
		radial-gradient(ellipse 35% 25% at 5% 80%, rgba(251, 249, 244, 0.8) 0%, transparent 65%),
		var(--color-bg-white);
}

.sm-map__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-xl);
	align-items: start;
}

.sm-group {
	background: #FFFEFB;
	border: 1px solid var(--color-border-light);
	border-radius: var(--radius-lg);
	padding: var(--space-xl);
	box-shadow: var(--shadow-sm);
}

.sm-group__title {
	font-size: var(--font-size-base);
	font-weight: var(--font-weight-bold);
	color: var(--color-primary);
	margin-bottom: var(--space-lg);
	padding-bottom: var(--space-sm);
	border-bottom: 2px solid var(--color-bg-lavender);
}

.sm-group__list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.sm-group__item {
	margin-bottom: 0.15rem;
}

.sm-group__item:last-child {
	margin-bottom: 0;
}

.sm-link {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-md);
	min-height: 48px;
	padding: 0.55rem 0.65rem;
	border-radius: var(--radius-sm);
	color: var(--color-text-body);
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-medium);
	line-height: 1.5;
	transition: color var(--transition-fast), background var(--transition-fast);
}

.sm-link:hover {
	color: var(--color-primary);
	background: var(--color-bg-lavender-light);
}

.sm-link__arrow {
	flex-shrink: 0;
	color: var(--color-primary-light);
	transition: transform var(--transition-fast), color var(--transition-fast);
}

.sm-link:hover .sm-link__arrow {
	color: var(--color-primary);
	transform: translateX(3px);
}

/* Nested admission children */
.sm-group__children {
	list-style: none;
	margin: 0 0 var(--space-sm);
	padding: 0 0 0 1.1rem;
	border-left: 2px solid var(--color-border-light);
	margin-left: 0.85rem;
}

.sm-link--child {
	min-height: 44px;
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-normal);
	color: #555;
}

.sm-link--child .sm-link__label::before {
	content: '└ ';
	color: var(--color-primary-light);
	font-weight: var(--font-weight-medium);
}

/* Contact + other can share a visual weight */
.sm-group--contact,
.sm-group--other {
	min-height: auto;
}

/* Responsive */
@media (max-width: 1024px) {
	.sm-map__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 767px) {
	.sm-fv {
		padding-block: var(--space-2xl) var(--space-xl);
	}

	.sm-fv__deco--leaves {
		width: 90px;
		opacity: 0.4;
	}

	.sm-map {
		padding-block: var(--space-3xl);
	}

	.sm-map__grid {
		grid-template-columns: 1fr;
		gap: var(--space-lg);
	}

	.sm-group {
		padding: var(--space-lg);
	}

	.sm-link {
		min-height: 52px;
		font-size: 1rem;
		padding: 0.7rem 0.75rem;
	}

	.sm-link--child {
		min-height: 48px;
	}
}