/* 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: 1.8;
    color: #333;
    background-color: #fff;
}

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

/* ヒーローセクション */
.hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    padding: 60px 0;
}

.hero-banner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

.hero-banner img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.hero-banner:hover img {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2);
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background-color: #ff6b6b;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255,107,107,0.3);
}

.cta-button:hover {
    background-color: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,107,107,0.4);
}

/* 早期割引セクション */
.early-bird {
    padding: 80px 0;
    background-color: #f8f9fa;
    text-align: center;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: #2c3e50;
}

.early-bird-alert {
    background: #ff6b6b;
    color: #fff;
    padding: 15px 25px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    margin: 0 auto 40px;
    box-shadow: 0 4px 15px rgba(255,107,107,0.3);
}

.early-bird-alert .material-symbols-outlined {
    font-size: 28px;
}

.alert-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
}

.alert-date {
    font-size: 16px;
    margin: 0;
    opacity: 0.95;
}

.price-box {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    max-width: 700px;
    margin: 0 auto;
}

.price-header {
    text-align: center;
    margin-bottom: 30px;
}

.community-tag {
    background: #4a9fc5;
    color: #fff;
    padding: 10px 25px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.community-tag .material-symbols-outlined {
    font-size: 20px;
}

.price-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.original-price,
.discount-price {
    text-align: center;
}

.price-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.price-num {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #333;
}

.discount-price .price-num {
    color: #ff6b6b;
    font-size: 42px;
}

.save-amount {
    display: block;
    margin-top: 10px;
    background: #ffe5e5;
    color: #ff6b6b;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 14px;
    font-weight: 500;
}

.arrow {
    font-size: 32px;
    color: #999;
    font-weight: bold;
}

/* 受講者の声セクション */
.testimonials {
    padding: 80px 0;
    background: #fff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-item {
    background: linear-gradient(135deg, #f8fcff 0%, #f0f8ff 100%);
    padding: 30px;
    border-radius: 20px;
    border-left: 5px solid #4a9fc5;
    transition: transform 0.3s ease;
}

.testimonial-item:hover {
    transform: translateY(-3px);
}

.testimonial-header {
    margin-bottom: 15px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4a9fc5 0%, #5fb3d4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.avatar.female {
    background: linear-gradient(135deg, #ff8a80 0%, #ff5722 100%);
}

.avatar.young {
    background: linear-gradient(135deg, #81c784 0%, #4caf50 100%);
}

.avatar.mature {
    background: linear-gradient(135deg, #9575cd 0%, #673ab7 100%);
}

.avatar.tech {
    background: linear-gradient(135deg, #64b5f6 0%, #2196f3 100%);
}

.avatar.professional {
    background: linear-gradient(135deg, #ffb74d 0%, #ff9800 100%);
}

.avatar .material-symbols-outlined {
    font-size: 28px;
}


.testimonial-text {
    font-size: 16px;
    line-height: 1.7;
    color: #333;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.author-role {
    font-weight: 600;
    color: #4a9fc5;
    font-size: 14px;
}

.author-age {
    font-size: 13px;
    color: #666;
}

.more-testimonials {
    text-align: center;
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid #eee;
}

.more-testimonials-text {
    font-size: 18px;
    color: #666;
    margin-bottom: 20px;
    font-weight: 500;
}

.hashtag-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #1d9bf0 0%, #0984e3 100%);
    color: #fff;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(29, 155, 240, 0.3);
}

.hashtag-button:hover {
    background: linear-gradient(135deg, #0984e3 0%, #0770d1 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(29, 155, 240, 0.4);
    color: #fff;
}

.hashtag-button .material-symbols-outlined {
    font-size: 20px;
}

/* ターゲットオーディエンスセクション */
.target-audience {
    padding: 80px 0;
    background: #fff;
}

.target-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.target-item {
    background: linear-gradient(135deg, #f0f8ff 0%, #e6f4fa 100%);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s ease;
    position: relative;
}

.target-item:hover {
    transform: translateY(-5px);
}

.target-icon {
    font-size: 64px;
    color: #4a9fc5;
    margin-bottom: 20px;
    display: block;
}

.target-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.4;
}

.target-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 講座内容セクション */
.course-content {
    padding: 80px 0;
    background: #f8f9fa;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.content-item {
    background: #fff;
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.06);
    text-align: center;
}

.content-icon {
    font-size: 48px;
    color: #4a9fc5;
    margin-bottom: 20px;
    display: block;
}

.content-item h3 {
    font-size: 22px;
    font-weight: 700;
    color: #4a9fc5;
    margin-bottom: 15px;
}

.content-item p {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

/* 講座詳細セクション */
.course-details-section {
    padding: 80px 0;
    background: #fff;
}

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

.detail-row {
    display: flex;
    padding: 25px 0;
    border-bottom: 1px solid #eee;
}

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

.detail-label {
    flex: 0 0 150px;
    font-weight: 700;
    color: #2c3e50;
    font-size: 18px;
}

.detail-content {
    flex: 1;
    color: #666;
    font-size: 16px;
}

.detail-content p {
    margin-bottom: 8px;
}

.sub-text {
    font-size: 14px;
    color: #999;
}

/* 価格セクション */
.pricing {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

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

.pricing-card.featured {
    position: relative;
    box-shadow: 0 10px 40px rgba(74,159,197,0.2);
}

.card-header {
    background: linear-gradient(135deg, #4a9fc5 0%, #5fb3d4 100%);
    color: #fff;
    padding: 30px;
    text-align: center;
}

.pricing-card.featured .card-header {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff5252 100%);
}

.card-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
}

.recommend {
    font-size: 14px;
    opacity: 0.9;
}

.card-body {
    padding: 40px 30px;
}

.card-body .original-price {
    text-align: center;
    color: #999;
    text-decoration: line-through;
    margin-bottom: 20px;
}

.discount-box {
    background: #fff8e1;
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 30px;
    text-align: center;
}

.discount-label {
    font-size: 14px;
    color: #f57c00;
    margin-bottom: 5px;
}

.discount-box .discount-price {
    font-size: 36px;
    font-weight: 700;
    color: #ff6b6b;
    margin-bottom: 5px;
}

.saving {
    font-size: 16px;
    color: #ff6b6b;
    font-weight: 500;
}

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

.features li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 15px;
    color: #666;
}

.features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4a9fc5;
    font-weight: 700;
}

.card-body .cta-button {
    display: block;
    text-align: center;
    width: 100%;
}

.cta-button.secondary {
    background: #4a9fc5;
}

.cta-button.secondary:hover {
    background: #3a8fb5;
}

/* 募集要項セクション */
.application {
    padding: 80px 0;
    background: #fff;
}

.application-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.info-item {
    text-align: center;
    padding: 30px;
}

.info-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 10px;
}

.info-item p {
    font-size: 18px;
    color: #666;
}

.info-item.important {
    background: #ffe5e5;
    border-radius: 20px;
    max-width: 600px;
}

.highlight {
    color: #ff6b6b;
    font-weight: 700;
}

/* 追加バナーセクション */
.additional-banner {
    padding: 60px 0;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
}

.banner-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.banner-container img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.banner-container:hover img {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2);
}

/* ファイナルCTA */
.final-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #4a9fc5 0%, #5fb3d4 100%);
    color: #fff;
    text-align: center;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
}

.cta-subtitle {
    font-size: 20px;
    margin-bottom: 50px;
    opacity: 0.95;
    line-height: 1.6;
}

.cta-box {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    padding: 50px;
    max-width: 600px;
    margin: 0 auto;
}

.deadline {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.price-summary {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
}

.price-summary .original {
    text-decoration: line-through;
    opacity: 0.7;
}

.price-summary .arrow {
    margin: 0 15px;
}

.price-summary .discounted {
    color: #ffeb3b;
}

.note {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.6;
}

.final-cta-button {
    display: inline-block;
    padding: 18px 50px;
    background: #fff;
    color: #4a9fc5;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.final-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.25);
}

/* フッター */
.footer {
    background: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 30px 0;
}

.footer p {
    font-size: 14px;
    opacity: 0.8;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 48px;
    }
    
    .hero-main {
        font-size: 36px;
    }
    
    .hero-info {
        flex-direction: column;
        gap: 20px;
    }
    
    .instructor-info {
        position: static;
        transform: none;
        margin-top: 40px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .target-list {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-main {
        font-size: 28px;
    }
    
    .date-large {
        font-size: 36px;
    }
}