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

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* ヘッダー */
header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

header h1 {
    color: #2c5aa0;
    font-size: 1.5rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

nav a:hover {
    color: #2c5aa0;
}

/* メインビジュアル */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 120px 0 80px;
    margin-top: 70px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background: #ff6b6b;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #ff5252;
}

/* セクション共通 */
.section {
    padding: 80px 0;
}

.bg-light {
    background: #f8f9fa;
}

.section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #2c5aa0;
}

/* 講師紹介 */
.instructor-profile {
    display: flex;
    gap: 3rem;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.instructor-image img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
}

.instructor-info h3 {
    font-size: 1.5rem;
    color: #2c5aa0;
    margin-bottom: 0.5rem;
}

.credentials {
    color: #666;
    font-weight: bold;
    margin-bottom: 1rem;
}

.achievements {
    list-style: none;
    margin-top: 1.5rem;
}

.achievements li {
    background: #e3f2fd;
    padding: 0.5rem 1rem;
    margin: 0.5rem 0;
    border-left: 4px solid #2c5aa0;
}

/* レッスンプラン */
.lesson-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.lesson-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.lesson-card h3 {
    color: #2c5aa0;
    margin-bottom: 1rem;
}

.lesson-card ul {
    list-style: none;
    margin-top: 1.5rem;
}

.lesson-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

/* 料金 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.price-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    border: 2px solid transparent;
}

.price-card.featured {
    border-color: #ff6b6b;
    transform: scale(1.05);
}

.price-card h3 {
    color: #2c5aa0;
    margin-bottom: 1rem;
}

.price {
    font-size: 2rem;
    font-weight: bold;
    color: #ff6b6b;
    margin: 1rem 0;
}

.price-card ul {
    list-style: none;
    margin-top: 1.5rem;
}

.price-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

/* お問い合わせ */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.booking-button {
    display: inline-block;
    background: #4caf50;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    margin: 1rem 0;
    transition: background 0.3s;
}

.booking-button:hover {
    background: #45a049;
}

.booking-note {
    font-size: 0.9rem;
    color: #666;
}

.contact-methods p {
    margin: 0.5rem 0;
}

/* フッター */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* レスポンシブ */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .instructor-profile {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .price-card.featured {
        transform: none;
    }
}

/* スムーススクロール */
html {
    scroll-behavior: smooth;
}s