/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基本設定 */
body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 120px;
    justify-content: center;
}

.logo-center {
    margin-bottom: 10px;
}

.logo-img-large {
    height: 80px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #e91e63;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* ヒーローセクション */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.8), rgba(156, 39, 176, 0.6));
    z-index: -1;
}

.hero-logo {
    position: absolute;
    top: 120px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.hero-logo-img {
    height: 150px;
    width: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    color: white;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #e91e63, #ad1457);
    color: white;
    box-shadow: 0 4px 15px rgba(233, 30, 99, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(233, 30, 99, 0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #e91e63;
}

.profile-img {
    width: 100%;
    max-width: 400px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.profile-img:hover {
    transform: scale(1.05);
}

/* セクション共通スタイル */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 15px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #e91e63, #ad1457);
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
}

/* 講師紹介セクション */
.about {
    padding: 100px 0;
    background: #fafafa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
}

.instructor-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.instructor-name {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: #e91e63;
    margin-bottom: 10px;
}

.instructor-title {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 20px;
}

.instructor-description p {
    margin-bottom: 15px;
    line-height: 1.8;
}

.instructor-features {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-icon {
    font-size: 1.2rem;
}

/* サービスセクション */
.services {
    padding: 100px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.service-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.service-content {
    padding: 30px;
}

.service-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: #e91e63;
    margin-bottom: 15px;
}

.service-description {
    color: #666;
    margin-bottom: 25px;
    line-height: 1.7;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.service-price {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #eee;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: #e91e63;
}

.price-unit {
    color: #666;
    margin-left: 5px;
}

/* 料金セクション */
.pricing {
    padding: 100px 0;
    background: #fafafa;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: transform 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured {
    border: 3px solid #e91e63;
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #e91e63, #ad1457);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 20px;
}

.pricing-price {
    margin-bottom: 30px;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: #e91e63;
}

.price-period {
    color: #666;
    font-size: 1rem;
}

.pricing-features ul {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* 神戸AIカフェ連携・楽曲セクション */
.ai-cafe-music {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.ai-cafe-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    max-width: 800px;
    margin: 0 auto;
}

.ai-cafe-info h3 {
    color: #e91e63;
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-align: center;
}

.ai-cafe-info p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    text-align: center;
}

.music-section {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.music-section h3 {
    color: #e91e63;
    font-size: 1.5rem;
    margin-bottom: 30px;
}

.song-title {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.audio-player {
    width: 100%;
    max-width: 400px;
    margin-bottom: 30px;
    border-radius: 10px;
}

.lyrics {
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.lyrics h5 {
    color: #e91e63;
    font-size: 1.2rem;
    margin-bottom: 20px;
    text-align: center;
    border-bottom: 2px solid #e91e63;
    padding-bottom: 10px;
}

.lyrics-content {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    border-left: 4px solid #e91e63;
}

.lyrics-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #444;
    font-size: 1rem;
}

.lyrics-content p:last-child {
    margin-bottom: 0;
}

/* お問い合わせセクション */
.contact {
    padding: 100px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.contact-info h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: #e91e63;
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.contact-icon {
    font-size: 1.2rem;
}

.contact-form {
    background: #fafafa;
    padding: 40px;
    border-radius: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #e91e63;
}

/* フッター */
.footer {
    background: #333;
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-social h4 {
    color: #e91e63;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.social-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.social-link:hover {
    background: rgba(233, 30, 99, 0.8);
    transform: translateY(-2px);
}

.social-link.instagram:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-link.twitter:hover {
    background: #000000;
}

.social-link.facebook:hover {
    background: #1877f2;
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-text {
    text-align: center;
}

.footer-text p {
    margin-bottom: 5px;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-container {
        min-height: 100px;
    }
    
    .logo-img-large {
        height: 60px;
    }
    
    .hero-logo-img {
        height: 100px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .music-section {
        padding: 30px 20px;
    }
    
    .lyrics-content {
        padding: 20px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .service-features {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 25px;
    }
}