/* Anigma ページ - スタイル */

.anigma-container {
	padding: 3rem 0;
}

/* ===== Hero セクション ===== */
.anigma-hero {
	margin-bottom: 4rem;
}

.back-link {
	display: inline-block;
	color: var(--md-sys-color-link);
	text-decoration: none;
	margin-bottom: 1.5rem;
	font-size: 0.95rem;
	transition: color 0.2s;
}

.back-link:hover {
	color: var(--md-sys-color-link-hover);
}

.anigma-hero h1 {
	font-size: clamp(2.5rem, 7vw, 4rem);
	margin: 1rem 0;
	color: var(--md-sys-color-on-background);
}

.hero-subtitle {
	font-size: 1.3rem;
	color: var(--md-sys-color-primary);
	margin-bottom: 1rem;
	font-weight: 500;
}

.hero-description {
	font-size: 1.1rem;
	color: var(--md-sys-color-on-surface-variant);
	max-width: 600px;
	line-height: 1.6;
}

/* ===== 分岐セクション ===== */
.branching-section {
	margin-bottom: 4rem;
}

.branching-section h2 {
	font-size: 2rem;
	text-align: center;
	margin-bottom: 0.5rem;
	color: var(--md-sys-color-on-background);
}

.branching-description {
	text-align: center;
	color: var(--md-sys-color-on-surface-variant);
	margin-bottom: 3rem;
	font-size: 1.05rem;
}

.branching-cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
	gap: 2rem;
	max-width: 900px;
	margin: 0 auto;
}

.branching-card {
	padding: 2.5rem 2rem;
	background: var(--md-sys-color-surface-container-low);
	border: 1.5px solid var(--md-sys-color-outline-variant);
	border-radius: var(--md-sys-shape-corner-large);
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	display: flex;
	flex-direction: column;
}

.branching-card:hover {
	border-color: var(--md-sys-color-primary);
	box-shadow: var(--elevation-3);
	transform: translateY(-4px);
}

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

.branching-card h3 {
	font-size: 1.5rem;
	margin: 0.5rem 0 0;
	color: var(--md-sys-color-on-background);
}

.card-subtitle {
	font-size: 0.9rem;
	color: var(--md-sys-color-primary);
	font-weight: 600;
	margin: 0.25rem 0 1rem;
}

.card-description {
	color: var(--md-sys-color-on-surface-variant);
	line-height: 1.6;
	margin-bottom: 1.5rem;
	flex-grow: 1;
}

.card-features {
	list-style: none;
	padding: 0;
	margin: 1.5rem 0;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.card-features li {
	color: var(--md-sys-color-on-surface-variant);
	font-size: 0.95rem;
}

.branching-card .btn {
	align-self: flex-start;
	margin-top: auto;
	padding: 0.75rem 1.5rem;
}

/* ===== FAQ セクション ===== */
.quick-faq {
	max-width: 800px;
	margin: 0 auto;
	padding: 3rem 2rem;
	background: var(--md-sys-color-surface-container-low);
	border-radius: var(--md-sys-shape-corner-large);
	border: 1px solid var(--md-sys-color-outline-variant);
}

.quick-faq h2 {
	font-size: 1.8rem;
	margin-bottom: 2rem;
	color: var(--md-sys-color-on-background);
}

.faq-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 1.5rem;
}

.faq-item {
	padding: 1.5rem;
	background: var(--md-sys-color-surface);
	border: 1px solid var(--md-sys-color-outline-variant);
	border-radius: var(--md-sys-shape-corner-medium);
	cursor: pointer;
	transition: all 0.2s;
}

.faq-item:hover {
	border-color: var(--md-sys-color-primary);
	background: var(--md-sys-color-surface-container);
}

.faq-item summary {
	font-weight: 600;
	color: var(--md-sys-color-on-background);
	outline: none;
	user-select: none;
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 2rem;
}

.faq-item summary::marker {
	color: var(--md-sys-color-primary);
	font-size: 1.2rem;
}

.faq-item[open] summary {
	margin-bottom: 1rem;
}

.faq-item p {
	color: var(--md-sys-color-on-surface-variant);
	line-height: 1.6;
	margin: 0;
}

.faq-item a {
	color: var(--md-sys-color-link);
	text-decoration: none;
	font-weight: 500;
}

.faq-item a:hover {
	text-decoration: underline;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
	.anigma-hero {
		margin-bottom: 3rem;
	}

	.anigma-hero h1 {
		margin-bottom: 0.75rem;
	}

	.branching-cards {
		gap: 1.5rem;
	}

	.branching-card {
		padding: 2rem 1.5rem;
	}

	.quick-faq {
		padding: 2rem 1.5rem;
	}

	.faq-grid {
		grid-template-columns: 1fr;
	}
}

/* ===== アニメーション ===== */
@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.branching-card {
	animation: fadeInUp 0.6s ease;
}

.branching-card:nth-child(2) {
	animation-delay: 0.1s;
}