/* ヘッダー */
.header-container header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header-container header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff22" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,133.3C960,128,1056,96,1152,90.7C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: bold;
    color: white;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background: #ff6b6b;
    color: white;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
    color: white;
    text-decoration: none;
}

.badge {
    display: inline-block;
    background: #ffd93d;
    color: #333;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    font-weight: bold;
}

/* セクション共通 */
section {
    padding: 60px 20px;
}

h2 {
    font-size: 2rem;
    margin-bottom: 40px;
    text-align: center;
    color: #667eea;
    position: relative;
    padding-bottom: 15px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

/* 特徴セクション */
.features {
    background: #f8f9fa;
}

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

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.feature-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #667eea;
}

/* なぜPythonか */
.why-python {
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.benefit-item {
    padding: 20px;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.benefit-title {
    font-weight: bold;
    margin-bottom: 10px;
    color: #667eea;
}

/* カリキュラム */
.curriculum {
    background: #f8f9fa;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    margin-bottom: 30px;
    align-items: flex-start;
}

.timeline-marker {
    background: #667eea;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    margin-right: 20px;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.timeline-title {
    font-weight: bold;
    margin-bottom: 10px;
    color: #667eea;
}

/* 講師紹介 */
.instructor {
    background: white;
}

.instructor-profile {
    display: flex;
    align-items: center;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.instructor-image {
    width: 250px;
    height: 250px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.instructor-image img {
    border-radius: 50%;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.instructor-info {
    flex: 1;
    min-width: 300px;
}

.instructor-name {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #667eea;
}

.highlight-box {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #667eea;
    margin: 20px 0;
}

/* 料金 */
.pricing {
    background: #f8f9fa;
}

.pricing-table {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.pricing-row {
    display: flex;
    border-bottom: 1px solid #e0e0e0;
}

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

.pricing-label {
    background: #667eea15;
    padding: 20px;
    font-weight: bold;
    width: 40%;
    color: #667eea;
}

.pricing-value {
    padding: 20px;
    width: 60%;
}

/* FAQ */
.faq {
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    background: #f8f9fa;
    padding: 20px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '▼';
    color: #667eea;
    transition: transform 0.3s;
}

.faq-answer {
    padding: 20px;
    background: white;
    display: none;
}

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

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

/* 保護者の声 */
.testimonials {
    background: #f8f9fa;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 3rem;
    color: #667eea30;
}

.testimonial-author {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    font-weight: bold;
    color: #667eea;
}

/* 無料体験 */
.trial {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.trial h2 {
    color: white;
}

.trial h2::after {
    background: white;
}

.trial-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.trial-feature {
    text-align: center;
}

.trial-feature-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.schedule-button-container button {
    background: white !important;
    color: #667eea !important;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: bold;
    display: inline-block;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.schedule-button-container button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

/* アクセス */
.access {
    background: white;
}

.access-info {
    max-width: 600px;
    margin: 0 auto;
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
}

.access-item {
    display: flex;
    margin-bottom: 20px;
}

.access-label {
    font-weight: bold;
    width: 100px;
    color: #667eea;
}

.access-value {
    flex: 1;
}

/* レスポンシブ */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .instructor-profile {
        text-align: center;
    }

    .trial-features {
        flex-direction: column;
        gap: 20px;
    }
}