/* Home Page Styles */

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

/* パーティクル背景 */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* コンテンツ */
.content {
    position: relative;
    z-index: 1;
}

/* ヒーローセクション */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 900;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.5));
    }
    to {
        filter: drop-shadow(0 0 40px rgba(118, 75, 162, 0.8));
    }
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.cta-secondary {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* 特徴セクション */
.features {
    padding: 6rem var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.features h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: all 0.4s ease;
}

.feature-card:hover {
    background: var(--card-bg-hover);
    border-color: var(--card-border-hover);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: #fff;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* スタッツセクション */
.stats {
    padding: 5rem var(--spacing-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item h3 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    background: linear-gradient(135deg, #667eea 0%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-weight: 900;
}

.stat-item p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

/* フッター */
footer {
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    border-top: 1px solid var(--card-border);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .features {
        padding: var(--spacing-2xl) 1.5rem;
    }
    
    .stats-container {
        gap: var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }
    
    .cta-button {
        width: 100%;
    }
}