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

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fdf8f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(135deg, #f7c6c7 0%, #ffeaa7 100%);
    padding: 30px 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #5f3a3a;
    margin-bottom: 10px;
}

.tagline {
    font-size: 1.1rem;
    color: #7d5a5a;
    font-weight: 300;
}

.hero {
    background-color: #fff;
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid #f0e5e5;
}

.hero h2 {
    font-size: 2rem;
    color: #d63031;
    margin-bottom: 20px;
    font-weight: 500;
}

.hero p {
    font-size: 1.1rem;
    color: #636e72;
    line-height: 1.8;
}

.videos {
    padding: 80px 0;
    background-color: #fdf8f5;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: #5f3a3a;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #f7c6c7, #ffeaa7);
    border-radius: 2px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.video-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-card h3 {
    padding: 20px 20px 10px;
    font-size: 1.3rem;
    color: #d63031;
    font-weight: 500;
}

.video-card p {
    padding: 0 20px 20px;
    color: #636e72;
    font-size: 0.95rem;
    line-height: 1.6;
}

.cta {
    background: linear-gradient(135deg, #ffeaa7 0%, #f7c6c7 100%);
    padding: 80px 0;
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    color: #5f3a3a;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.1rem;
    color: #7d5a5a;
    line-height: 1.8;
}

footer {
    background-color: #5f3a3a;
    color: #fff;
    text-align: center;
    padding: 30px 0;
}

footer p {
    font-size: 0.9rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .cta h2 {
        font-size: 1.5rem;
    }
    
    .hero, .videos, .cta {
        padding: 40px 0;
    }
}