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

body {
    font-family: 'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro W3', Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

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

/* ヘッダー */
header {
    background: #fff;
    border-bottom: 1px solid #eee;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 1.5em;
    font-weight: bold;
    color: #333;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
}

.nav-links a:hover {
    color: #666;
}

/* ヒーローセクション */
.hero {
    background: #fff;
    padding: 120px 0 80px;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.hero h1 {
    font-size: 3em;
    margin-bottom: 20px;
    color: #333;
    font-weight: bold;
}

.hero .subtitle {
    font-size: 1.3em;
    margin-bottom: 30px;
    color: #666;
}

.hero-points {
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-points ul {
    list-style: none;
    text-align: left;
}

.hero-points li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    font-size: 1.1em;
    color: #555;
}

.hero-points li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #333;
    font-weight: bold;
    font-size: 1.2em;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 30px;
    border: 2px solid #333;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
    background: #fff;
    color: #333;
}

.btn:hover {
    background: #333;
    color: #fff;
}

.btn-primary {
    background: #333;
    color: #fff;
}

.btn-primary:hover {
    background: #555;
}

/* セクション共通スタイル */
.section {
    padding: 60px 0;
    border-bottom: 1px solid #eee;
}

.section-title {
    text-align: center;
    font-size: 2.2em;
    margin-bottom: 20px;
    color: #333;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1em;
    color: #666;
    margin-bottom: 50px;
}

/* 詳細カード */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.detail-card {
    border: 2px solid #eee;
    padding: 30px;
    border-radius: 5px;
    background: #fff;
}

.detail-card h3 {
    font-size: 1.4em;
    margin-bottom: 20px;
    color: #333;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.price {
    font-size: 1.4em;
    font-weight: bold;
    color: #333;
    margin: 20px 0;
}

.price-note {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 15px;
}

.detail-card ul, .detail-card ol {
    margin-left: 20px;
}

.detail-card li {
    margin-bottom: 8px;
    color: #555;
}

/* 講師プロフィール */
.instructor-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.instructor-info {
    border: 2px solid #eee;
    padding: 30px;
    border-radius: 5px;
    background: #fff;
}

.instructor-info h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: #333;
}

.credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.credential {
    background: #f5f5f5;
    color: #333;
    padding: 5px 12px;
    border-radius: 3px;
    font-size: 0.9em;
    border: 1px solid #ddd;
}

/* 開催実績・統計 */
.stats {
    background: #f9f9f9;
    padding: 50px 0;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    max-width: 600px;
    margin: 0 auto;
}

.stat-item {
    padding: 20px;
    border: 2px solid #eee;
    border-radius: 5px;
    background: #fff;
}

.stat-item h3 {
    font-size: 2.5em;
    color: #333;
    margin-bottom: 10px;
}

.stat-item p {
    color: #666;
    font-weight: bold;
}

/* 受講生の声 */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial {
    border: 2px solid #eee;
    padding: 25px;
    border-radius: 5px;
    background: #fff;
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.testimonial-info h4 {
    margin-bottom: 5px;
    color: #333;
}

.testimonial-info .job {
    color: #666;
    font-size: 0.9em;
}

.improvement {
    background: #f0f0f0;
    color: #333;
    padding: 8px 12px;
    border-radius: 3px;
    margin: 10px 0;
    font-weight: bold;
    text-align: center;
    border: 1px solid #ddd;
}

/* FAQ */
.faq-item {
    border: 2px solid #eee;
    margin-bottom: 20px;
    border-radius: 5px;
    background: #fff;
}

.faq-question {
    padding: 20px;
    background: #f9f9f9;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #eee;
}

.faq-question h4 {
    color: #333;
    font-size: 1.1em;
}

.faq-toggle {
    font-size: 1.2em;
    color: #666;
    transition: transform 0.3s;
}

.faq-answer {
    padding: 20px;
    display: none;
    color: #555;
}

.faq-answer.active {
    display: block;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

/* CTA・お問い合わせセクション */
.cta-section {
    background: #f9f9f9;
    padding: 60px 0;
    text-align: center;
}

.cta-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.cta-card {
    border: 2px solid #333;
    padding: 30px;
    border-radius: 5px;
    background: #fff;
}

.cta-card h3 {
    font-size: 1.4em;
    margin-bottom: 15px;
    color: #333;
}

.cta-card p {
    color: #666;
    margin-bottom: 20px;
}

/* フッター */
footer {
    background: #333;
    color: #fff;
    padding: 50px 0 30px;
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-bottom: 30px;
}

.footer-company h3 {
    font-size: 1.3em;
    margin-bottom: 20px;
    color: #fff;
}

.footer-nav h4 {
    font-size: 0.9em;
    margin-bottom: 15px;
    color: #fff;
}

.footer-nav ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.footer-nav li {
    margin-bottom: 8px;
}

.footer-nav a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.8em;
}

.footer-nav a:hover {
    color: #fff;
}

.footer-contact {
    margin: 20px 0;
    color: #ccc;
    line-height: 1.8;
}

.footer-contact a {
    color: #ccc;
    text-decoration: none;
}

.footer-contact a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 20px;
    text-align: center;
    color: #ccc;
    font-size: 0.9em;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2em;
    }
    
    .nav-links {
        display: none;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-options {
        grid-template-columns: 1fr;
    }
}