/* ==========================================
 *  [A] デザイン変数 & 基本スタイル
 * ========================================== */
:root {
	--accent: #852541;
	--bg-color: #000;
	--bg-overlay: rgba(0, 0, 0, 0.4);
	--card-bg: #141414;
	--text-color: #fff;
	--nav-glass-bg: rgba(40, 40, 40, 0.6);
	--nav-glass-blur: blur(20px);
	--radius: 12px;
	--transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 140px;
}

body {
	font-family: 'Inter', -apple-system, sans-serif;
	background: var(--bg-color);
	color: var(--text-color);
	margin: 0;
	padding-bottom: 2em;
	overflow-x: hidden;
	position: relative;
}

/* 3. 背景スクロール固定用 */
body.modal-open {
	overflow: hidden;
}

body::before {
	content: '';
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	filter: blur(25px) brightness(1.1);
	transform: scale(1.1);
	z-index: -2;
}

body::after {
	content: '';
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background: var(--bg-overlay);
	z-index: -1;
}

/* ==========================================
 *  [B] 1. レスポンシブGridナビゲーション
 * ========================================== */
.filter-header {
	position: sticky;
	top: var(--scroll-header);
	width: 100%;
	padding: 25px 20px;
	z-index: 500;
	display: flex;
	justify-content: center;
	box-sizing: border-box;
	pointer-events: none;
}

.nav-container {
	display: grid;
	grid-auto-flow: column;
	gap: 10px;
	background: var(--nav-glass-bg);
	backdrop-filter: var(--nav-glass-blur);
	-webkit-backdrop-filter: var(--nav-glass-blur);
	border-radius: 18px;
	padding: 8px;
	border: 1px solid rgba(255, 255, 255, 0.1);
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
	pointer-events: auto;
	max-width: 95vw;
	overflow-x: auto;
	scrollbar-width: none;
	/* 追加：PCドラッグ用 */
	cursor: grab;
	user-select: none;
}

.nav-container::-webkit-scrollbar {
	display: none;
}

.nav-container:active {
	cursor: grabbing;
}

.nav-link {
	text-decoration: none;
	padding: 12px 40px 12px 30px;
	border-radius: 12px;
	color: #fff;
	font-size: 1rem;
	font-weight: 700;
	transition: var(--transition);
	cursor: pointer;
	position: relative;
	white-space: nowrap;
	display: flex;
	align-items: center;
	justify-content: center;
}

.nav-link:hover,
.nav-link[data-active="1"] {
	background-color: #fff;
	color: var(--accent);
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.nav-link::before {
	content: '';
	position: absolute;
	right: 18px;
	width: 6px;
	height: 6px;
	border-top: 2px solid currentColor;
	border-right: 2px solid currentColor;
	transform: translateY(-2px) rotate(135deg);
	transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link[data-active="1"]::before {
	transform: translateY(-2px) rotate(495deg);
}

/* ==========================================
 *  [C] ギャラリー（4. 遅延読み込み対応）
 * ========================================== */
.category-section {
	padding: 60px 0 20px;
	border-bottom: 1px solid #222;
}

.category-title {
	font-size: 2rem;
	font-weight: 800;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 30px;
}

.category-title::before {
	content: '';
	width: 6px;
	height: 1.8rem;
	background: var(--accent);
	margin-right: 15px;
	border-radius: 3px;
}

.gallery {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 20px;
	padding: 0 40px 60px;
}

.gallery-item {
	cursor: pointer;
	border-radius: var(--radius);
	overflow: hidden;
	background: var(--card-bg);
	transition: var(--transition);
	border: 1px solid rgba(255, 255, 255, 0.03);
	display: flex;
	flex-direction: column;
	opacity: 0;
	transform: translateY(20px);
}

.gallery-item.loaded {
	opacity: 1;
	transform: translateY(0);
}

.gallery-item:hover {
	transform: scale(1.03);
	box-shadow: 0 16px 32px rgba(0, 0, 0, 0.7);
}

.media-container {
	width: 100%;
	aspect-ratio: 16/9;
	background: #000;
	position: relative;
	overflow: hidden;
}

.gallery-item img,
.gallery-item video {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: opacity 0.5s ease;
}

.thumb-filename {
	padding: 10px 10px 20px 10px;
	margin: 0 0 10px 0;
	font-size: 0.85rem;
	color: #ccc;
	text-align: left;
	background: var(--card-bg);
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	line-height: 1.4;
	height: 3.79em;
	max-height: 3.79em;
	word-break: break-all;
	box-sizing: border-box;
}

/* ==========================================
 *  [D] モーダル & 2. トップへ戻る
 * ========================================== */
#modalOverlay {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.95);
	display: none;
	align-items: center;
	justify-content: center;
	z-index: 1000;
	backdrop-filter: blur(15px);
}

.slides-container {
	display: grid;
	grid-template-columns: 10vw 80vw 10vw;
	align-items: center;
	width: 100%;
	height: 100%;
}

.media-wrapper {
	position: relative;
	display: flex;
	justify-content: center;
	flex-direction: column;
	align-items: center;
}

#modalMediaContainer img,
#modalMediaContainer video {
	max-width: 100%;
	max-height: 85vh;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
	background: #000;
}

.nav-arrow {
	cursor: pointer;
	background: none;
	border: none;
	outline: none;
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100%;
	width: 100%;
}

.nav-arrow span {
	font-size: 5rem;
	color: rgba(255, 255, 255, 0.2);
	transition: 0.3s;
}

.nav-arrow:hover span {
	color: #fff;
}

.last-arrow span {
	color: var(--accent);
	font-size: 3rem;
	font-weight: bold;
}

.close-btn {
	position: fixed;
	top: 30px;
	right: 30px;
	width: 50px;
	height: 50px;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 2rem;
	color: #fff;
	cursor: pointer;
	z-index: 3000;
	background: rgba(255, 255, 255, 0.1);
	border-radius: 50%;
	border: none;
	transition: 0.3s;
}

.close-btn:hover {
	background: var(--accent);
	transform: rotate(90deg);
}

#modalFileName {
	position: absolute;
	top: -50px;
	left: 0;
	font-size: 1.1rem;
	border-left: 4px solid var(--accent);
	padding-left: 15px;
	color: #fff;
}

#modalCounter {
	position: absolute;
	bottom: -40px;
	color: #888;
	font-size: 0.9rem;
}

#scrollTopBtn {
	position: fixed;
	bottom: 30px;
	right: 30px;
	width: 50px;
	height: 50px;
	background: var(--accent);
	color: #fff;
	border: none;
	border-radius: 50%;
	font-size: 1.5rem;
	cursor: pointer;
	z-index: 400;
	opacity: 0;
	visibility: hidden;
	transition: 0.3s;
	display: flex;
	align-items: center;
	justify-content: center;
}

#scrollTopBtn.show {
	opacity: 1;
	visibility: visible;
}

.mute-toggle {
	position: absolute;
	bottom: -60px;
	right: 20px;
	background: rgba(0, 0, 0, 0.6);
	border: 1px solid rgba(255, 255, 255, 0.3);
	color: #fff;
	padding: 10px 15px;
	border-radius: 30px;
	cursor: pointer;
	z-index: 2000;
	font-size: 0.9rem;
	display: flex;
	align-items: center;
	gap: 8px;
	transition: 0.3s;
}

.mute-toggle:hover {
	background: var(--accent);
}




/* ==========================================
 *  WordPress 追記
 * ========================================== */

.site2023-pagetop {
	display: none !important;
}

.HeroTitle img {
	display: block;
	width: 100%;
	max-width: calc(1280px + var(--screen-gap) * 2);
	margin-inline: auto;
}

.link-titles {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 1em;
	margin-block: 2em;
}

.link-title {
	&.carekarte {
		--color-background: #971926;
	}

	&.careconne {
		--color-background: #213F74;
	}

	display: grid;
	place-content: center;
	width: 100%;
	max-width: 240px;
	height: 60px;
	background-color: var(--color-background);
	border-radius: 0.625em;
}

.contest-2026-lead--result {
	text-align: center;
	word-break: keep-all;

	.thanks-message {
		font-size: 18px;
		text-align: center;
	}

	.thanks-links {
		display: grid;
		grid-template-columns: minmax(0, 500px);
		place-content: center;
		row-gap: 10px;
		margin-block: 30px;
	}

	.thanks-link {
		display: grid;
		place-content: center;
		min-height: 80px;
		padding-block: 0.5em;
		padding-inline: 1em;
		border: 1px solid #00A8CC;
		background-color: #00A8CC;
		font-size: clamp(18px, 4.8vw, 25px);
		color: #FFFFFF;
		filter: drop-shadow(0px 0px 10px #00D2FF);
		transition: all 0.3s ease;

		&:hover {
			background-color: transparent;
		}
	}

	.return-to-top {
		--border-w: 0%;
		display: block;
		width: fit-content;
		margin-block: 45px;
		margin-inline: auto;
		padding-block: 0.25em;
		padding-inline: 0.5em;
		position: relative;
		font-weight: 500;
		font-size: 18px;
		color: #FFFFFF;
		filter: drop-shadow(0px 0px 10px #FFFFFF);
		transition: all 0.3s ease-out;

		&::after {
			content: "";
			position: absolute;
			left: 50%;
			bottom: 0;
			transform: translate(-50%, 0);
			display: block;
			width: 0%;
			height: 1px;
			background-color: #FFFFFF;
			transition: all 0.3s ease-out;
			filter: drop-shadow(0px 0px 10px #00D5FF);
		}

		&:hover::after {
			width: 100%;
		}
	}
}