/* ========================================
   ランディングページ専用スタイル
   ======================================== */

:root {
	--color-primary: #1e3a8a;
	--color-secondary: #7c3aed;
	--color-accent: #f59e0b;
	--color-bg-dark: #0f172a;
	--color-bg-light: #f8fafc;
	--color-text: #1e293b;
	--color-text-light: #64748b;
	--color-white: #ffffff;
	--gradient-hero: linear-gradient(135deg, #1e3a8a 0%, #312e81 50%, #1e1b4b 100%);
	--gradient-card: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
	--shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: 'Noto Sans JP', sans-serif;
	color: var(--color-text);
	line-height: 1.7;
	background: var(--color-bg-light);
	overflow-x: hidden;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 2rem;
}

/* ========================================
   ヒーローセクション
   ======================================== */

.hero {
	position: relative;
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--gradient-hero);
	overflow: hidden;
}

.hero-background {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-image:
		radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
		radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
	animation: twinkle 10s ease-in-out infinite;
}

@keyframes twinkle {

	0%,
	100% {
		opacity: 0.5;
	}

	50% {
		opacity: 1;
	}
}

.hero-content {
	position: relative;
	z-index: 1;
	text-align: center;
	color: var(--color-white);
	padding: 2rem;
	animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}

	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.hero-logo {
	margin-bottom: 2rem;
	animation: fadeIn 1.5s ease-out;
}

.logo-image {
	max-width: 500px;
	width: 100%;
	height: auto;
	filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}

.hero-title {
	margin-bottom: 1.5rem;
	animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-title-main {
	display: block;
	font-size: 3rem;
	font-weight: 900;
	letter-spacing: 0.05em;
	text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
	margin-bottom: 0.5rem;
}

.hero-title-sub {
	display: block;
	font-size: 1.8rem;
	font-weight: 700;
	color: #fbbf24;
	text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
	font-size: 1.2rem;
	line-height: 1.8;
	margin-bottom: 3rem;
	opacity: 0.95;
	animation: fadeInUp 1s ease-out 0.4s backwards;
}

.hero-buttons {
	display: flex;
	gap: 1.5rem;
	justify-content: center;
	flex-wrap: wrap;
	animation: fadeInUp 1s ease-out 0.6s backwards;
}

.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 1rem 2rem;
	font-size: 1.1rem;
	font-weight: 700;
	text-decoration: none;
	border-radius: 50px;
	transition: all 0.3s ease;
	box-shadow: var(--shadow-lg);
}

.btn-primary {
	background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
	color: var(--color-white);
}

.btn-primary:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-xl);
	background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

.btn-secondary {
	background: rgba(255, 255, 255, 0.2);
	color: var(--color-white);
	backdrop-filter: blur(10px);
	border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
	background: rgba(255, 255, 255, 0.3);
	transform: translateY(-3px);
	box-shadow: var(--shadow-xl);
}

.btn-icon {
	font-size: 1.3rem;
}

.scroll-indicator {
	position: absolute;
	bottom: 2rem;
	left: 50%;
	transform: translateX(-50%);
	color: var(--color-white);
	text-align: center;
	animation: bounce 2s infinite;
}

@keyframes bounce {

	0%,
	20%,
	50%,
	80%,
	100% {
		transform: translateX(-50%) translateY(0);
	}

	40% {
		transform: translateX(-50%) translateY(-10px);
	}

	60% {
		transform: translateX(-50%) translateY(-5px);
	}
}

.scroll-arrow {
	width: 2px;
	height: 40px;
	background: var(--color-white);
	margin: 0.5rem auto;
	opacity: 0.6;
}

/* ========================================
   セクション共通スタイル
   ======================================== */

section {
	padding: 5rem 0;
}

.section-title {
	text-align: center;
	font-size: 2.5rem;
	font-weight: 900;
	margin-bottom: 3rem;
	color: var(--color-text);
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 1rem;
}

.title-icon {
	font-size: 2.5rem;
}

/* ========================================
   企画概要セクション
   ======================================== */

.about-section {
	background: var(--color-white);
}

.about-content {
	max-width: 900px;
	margin: 0 auto;
}

.about-text {
	margin-bottom: 3rem;
}

.lead-text {
	font-size: 1.2rem;
	line-height: 2;
	margin-bottom: 1.5rem;
	color: var(--color-text);
}

.about-text p {
	font-size: 1.1rem;
	line-height: 1.9;
	color: var(--color-text-light);
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 2rem;
	margin-top: 3rem;
}

.stat-card {
	text-align: center;
	padding: 2rem;
	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	border-radius: 20px;
	color: var(--color-white);
	box-shadow: var(--shadow-lg);
	transition: transform 0.3s ease;
}

.stat-card:hover {
	transform: translateY(-5px);
}

.stat-number {
	display: block;
	font-size: 3rem;
	font-weight: 900;
	margin-bottom: 0.5rem;
}

.stat-label {
	font-size: 1.1rem;
	opacity: 0.9;
}

/* ========================================
   コンテンツセクション
   ======================================== */

.contents-section {
	background: var(--color-bg-light);
}

.contents-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
}

.content-card {
	position: relative;
	display: block;
	background: var(--color-white);
	border-radius: 20px;
	padding: 2.5rem;
	box-shadow: var(--shadow-md);
	transition: all 0.3s ease;
	text-decoration: none;
	color: var(--color-text);
	overflow: hidden;
}

.content-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 5px;
	background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
	transition: height 0.3s ease;
}

.content-card:hover {
	transform: translateY(-10px);
	box-shadow: var(--shadow-xl);
}

.content-card:hover::before {
	height: 100%;
	opacity: 0.05;
}

.card-badge {
	position: absolute;
	top: 1rem;
	right: 1rem;
	background: #ef4444;
	color: var(--color-white);
	padding: 0.4rem 1rem;
	border-radius: 20px;
	font-size: 0.85rem;
	font-weight: 700;
	animation: pulse 2s infinite;
}

@keyframes pulse {

	0%,
	100% {
		opacity: 1;
	}

	50% {
		opacity: 0.7;
	}
}

.card-icon {
	font-size: 3rem;
	margin-bottom: 1rem;
}

.card-title {
	font-size: 1.5rem;
	font-weight: 700;
	margin-bottom: 1rem;
	color: var(--color-text);
}

.card-description {
	font-size: 1rem;
	line-height: 1.8;
	color: var(--color-text-light);
	margin-bottom: 1.5rem;
}

.card-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-bottom: 1rem;
}

.tag {
	background: #e0e7ff;
	color: #4338ca;
	padding: 0.4rem 0.8rem;
	border-radius: 15px;
	font-size: 0.85rem;
	font-weight: 600;
}

.card-cta {
	margin-bottom: 1rem;
}

.cta-text {
	display: inline-block;
	color: var(--color-secondary);
	font-weight: 700;
	font-size: 1.1rem;
}

.card-info {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.info-item {
	font-size: 0.95rem;
	color: var(--color-text-light);
}

.card-highlight {
	background: #fef3c7;
	color: #92400e;
	padding: 0.8rem;
	border-radius: 10px;
	text-align: center;
	font-weight: 600;
}

.card-link-arrow {
	position: absolute;
	bottom: 1.5rem;
	right: 1.5rem;
	font-size: 2rem;
	color: var(--color-secondary);
	transition: transform 0.3s ease;
}

.content-card:hover .card-link-arrow {
	transform: translateX(5px);
}

/* カード個別スタイル */
.card-primary::before {
	background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
}

.card-vote::before {
	background: linear-gradient(90deg, #10b981 0%, #059669 100%);
}

.card-photos::before {
	background: linear-gradient(90deg, #3b82f6 0%, #2563eb 100%);
}

.card-events::before {
	background: linear-gradient(90deg, #ec4899 0%, #db2777 100%);
}

/* ========================================
   カテゴリーセクション
   ======================================== */

.categories-section {
	background: var(--color-white);
}

.categories-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
}

.category-card {
	background: var(--color-bg-light);
	padding: 2rem;
	border-radius: 15px;
	text-align: center;
	transition: all 0.3s ease;
	border: 2px solid transparent;
}

.category-card:hover {
	border-color: var(--color-secondary);
	transform: translateY(-5px);
	box-shadow: var(--shadow-md);
}

.category-icon {
	font-size: 3rem;
	margin-bottom: 1rem;
}

.category-card h3 {
	font-size: 1.3rem;
	font-weight: 700;
	margin-bottom: 1rem;
	color: var(--color-text);
}

.category-card p {
	font-size: 0.95rem;
	line-height: 1.7;
	color: var(--color-text-light);
}

/* ========================================
   CTAセクション
   ======================================== */

.cta-section {
	background: var(--gradient-hero);
	color: var(--color-white);
	text-align: center;
}

.cta-content {
	max-width: 800px;
	margin: 0 auto;
}

.cta-title {
	font-size: 2.5rem;
	font-weight: 900;
	margin-bottom: 1.5rem;
	text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.cta-text {
	font-size: 1.2rem;
	line-height: 1.9;
	margin-bottom: 2.5rem;
	opacity: 0.95;
}

.btn-cta {
	background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
	color: var(--color-white);
	font-size: 1.2rem;
	padding: 1.2rem 2.5rem;
}

.btn-cta:hover {
	transform: translateY(-5px);
	box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

/* ========================================
   フッター
   ======================================== */

.site-footer {
	background: var(--color-bg-dark);
	color: var(--color-white);
	padding: 3rem 0 1rem;
}

.footer-content {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 3rem;
	margin-bottom: 3rem;
}

.footer-section h3 {
	font-size: 1.2rem;
	font-weight: 700;
	margin-bottom: 1rem;
	color: #fbbf24;
}

.footer-section p {
	color: #94a3b8;
	line-height: 1.7;
}

.footer-links {
	list-style: none;
}

.footer-links li {
	margin-bottom: 0.7rem;
}

.footer-links a {
	color: #cbd5e1;
	text-decoration: none;
	transition: color 0.3s ease;
}

.footer-links a:hover {
	color: #fbbf24;
}

.footer-bottom {
	text-align: center;
	padding-top: 2rem;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	color: #94a3b8;
	font-size: 0.9rem;
}

/* ========================================
   レスポンシブ
   ======================================== */

@media (max-width: 768px) {
	.container {
		padding: 0 1.5rem;
	}

	.hero-title-main {
		font-size: 2rem;
	}

	.hero-title-sub {
		font-size: 1.3rem;
	}

	.hero-subtitle {
		font-size: 1rem;
	}

	.hero-buttons {
		flex-direction: column;
	}

	.btn {
		width: 100%;
		justify-content: center;
	}

	.section-title {
		font-size: 1.8rem;
	}

	.contents-grid,
	.categories-grid {
		grid-template-columns: 1fr;
	}

	.cta-title {
		font-size: 1.8rem;
	}

	.cta-text {
		font-size: 1rem;
	}

	.logo-image {
		max-width: 300px;
	}
}

@media (max-width: 480px) {
	section {
		padding: 3rem 0;
	}

	.hero-title-main {
		font-size: 1.5rem;
	}

	.card-title {
		font-size: 1.2rem;
	}

	.stat-number {
		font-size: 2.5rem;
	}
}