/* AI事業ページ専用スタイル */

/* AI事業ページの背景画像を固定 */
body .fixed-background {
    opacity: 1;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* ヒーローセクション */
.ai-hero-section {
    min-height: 500px;
    padding: 120px 0;
    position: relative;
    background: rgba(13, 71, 161, 0.7);
    backdrop-filter: blur(1px);
    display: flex;
    align-items: center;
}

.hero-overlay {
    display: none;
}

.hero-content {
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

.hero-badge {
    background: rgba(255, 82, 82, 0.9);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 12px 35px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    box-shadow: 0 6px 20px rgba(255, 82, 82, 0.4);
}

.hero-badge i {
    margin-right: 10px;
    font-size: 18px;
}

.ai-hero-title {
    font-size: 52px;
    line-height: 1.4;
    color: #fff;
    font-weight: 800;
    text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
    margin: 0;
}

.title-accent {
    color: #de620f;
    font-weight: 900;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.4);
}

.hero-description {
    font-size: 20px;
    color: #fff;
    line-height: 1.7;
    max-width: 700px;
    font-weight: 400;
    margin: 0;
    text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.3);
}

/* 講座コースセクション */
.ai-course-section {
    padding: 60px 0 80px;
    background: rgba(245, 247, 250, 0.85);
    backdrop-filter: blur(1px);
    position: relative;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.course-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.course-header {
    padding: 2.5rem;
    text-align: center;
}

.course-card.basic .course-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.course-card.master .course-header {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.course-title {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0;
}

.course-content {
    padding: 3rem;
}

.course-features {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.course-features li {
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    font-weight: 500;
    color: #333;
}

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

.course-features i {
    color: #4fc3f7;
    margin-right: 1rem;
    font-size: 1.2rem;
}

.course-highlight {
    background: rgba(79, 195, 247, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.course-highlight p {
    margin: 0.5rem 0;
    line-height: 1.8;
    color: #1a237e;
    font-weight: 500;
}

.course-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #666;
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.course-price {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.1) 0%, rgba(41, 182, 246, 0.05) 100%);
    border-radius: 15px;
    border: 2px solid rgba(79, 195, 247, 0.3);
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: #1a237e;
}

.price-unit {
    font-size: 1.2rem;
    color: #666;
}

/* 同時購入特典 */
.bundle-offer {
    margin-top: 3rem;
    background: rgba(79, 195, 247, 0.08);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(79, 195, 247, 0.2);
}

.bundle-content {
    text-align: center;
    color: #333;
}

.bundle-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #1a237e;
}

.bundle-description {
    font-size: 1rem;
    color: #666;
    margin-bottom: 1.5rem;
}

.bundle-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.original-price {
    font-size: 1.3rem;
    text-decoration: line-through;
    color: #999;
}

.arrow {
    font-size: 1.2rem;
    color: #666;
}

.final-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1a237e;
}

.discount-amount {
    font-size: 1rem;
    color: #ff5252;
    font-weight: 500;
}

/* 申し込みバナー */
.apply-banner {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem 0;
}

.apply-button {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    color: #fff;
    text-decoration: none;
    padding: 1.5rem 3rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.3rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
    position: relative;
    overflow: hidden;
}

.apply-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.apply-button:hover::before {
    left: 100%;
}

.apply-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 107, 0.5);
    color: #fff;
}

.apply-button i {
    font-size: 1.4rem;
}

.apply-button:active {
    transform: translateY(-1px);
}

/* ケーススタディセクション */
.ai-case-study-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.85) 100%);
    backdrop-filter: blur(1px);
}

.ai-case-study-section h2 {
    color: #fff;
    margin-bottom: 4rem;
}

.case-study-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.case-study-item {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(145deg, #f5f5f5, #e0e0e0);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.case-study-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-study-item i {
    font-size: 3rem;
    color: #4fc3f7;
    margin-bottom: 1.5rem;
}

.case-study-item h4 {
    color: #1a237e;
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.6;
}

/* なぜ必要かセクション */
.ai-why-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(13, 71, 161, 0.8) 0%, rgba(21, 101, 192, 0.75) 100%);
    backdrop-filter: blur(1px);
}

.ai-why-section h2 {
    color: #fff;
    margin-bottom: 4rem;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.why-item {
    text-align: center;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.why-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.why-icon {
    font-size: 4rem;
    color: #4fc3f7;
    margin-bottom: 2rem;
}

.why-item h3 {
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.why-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    font-size: 1.1rem;
}

/* 講師紹介セクション */
.ai-instructor-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(1px);
}

.ai-instructor-section h2 {
    color: #1a237e;
    margin-bottom: 4rem;
}

.instructor-content {
    max-width: 1000px;
    margin: 0 auto;
}

.instructor-profile {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: start;
}

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

.instructor-photo {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 4px solid #fff;
}

.instructor-info {
    padding: 1rem 0;
}

.company-logo {
    margin-bottom: 1.5rem;
}

.company-logo-img {
    height: 50px;
    width: auto;
}

.instructor-name {
    font-size: 2.2rem;
    color: #1a237e;
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.instructor-title {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 2rem;
    font-weight: 600;
}

.instructor-bio,
.instructor-comment,
.youtube-demo {
    margin-bottom: 2.5rem;
}

.instructor-bio h4,
.instructor-comment h4,
.youtube-demo h4 {
    font-size: 1.3rem;
    color: #1a237e;
    margin-bottom: 1rem;
    font-weight: 700;
}

.instructor-bio p {
    color: #333;
    line-height: 1.8;
    font-size: 1.05rem;
}

.instructor-comment blockquote {
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.1) 0%, rgba(41, 182, 246, 0.05) 100%);
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid #4fc3f7;
    margin: 0;
}

.instructor-comment blockquote p {
    color: #1a237e;
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0;
    font-weight: 500;
}

.youtube-link {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    color: #fff;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
}

.youtube-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
    color: #fff;
}

.youtube-link i {
    font-size: 1.3rem;
}

/* 講座を受けるために必要なものセクション */
.ai-requirements-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(227, 242, 253, 0.8) 0%, rgba(243, 229, 245, 0.8) 100%);
    backdrop-filter: blur(1px);
}

.ai-requirements-section h2 {
    color: #1a237e;
    margin-bottom: 3rem;
    position: relative;
}

.ai-requirements-section h2::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(135deg, #1a237e, #4fc3f7);
    border-radius: 3px;
}

.requirements-content {
    max-width: 1000px;
    margin: 0 auto;
}

.requirements-intro {
    font-size: 1.2rem;
    color: #333;
    text-align: center;
    margin-bottom: 3rem;
    line-height: 1.8;
    background: rgba(255, 255, 255, 0.8);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.elearning-highlight {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 255, 0.9) 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    display: grid;
    grid-template-columns: 200px 1fr 200px;
    gap: 2rem;
    align-items: center;
}

.elearning-devices {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.device-icon {
    text-align: center;
    padding: 1.5rem;
    background: rgba(79, 195, 247, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.device-icon:hover {
    background: rgba(79, 195, 247, 0.2);
    transform: translateY(-5px);
}

.device-icon i {
    font-size: 3rem;
    color: #1a237e;
    margin-bottom: 0.8rem;
    display: block;
}

.device-icon span {
    font-size: 1.1rem;
    color: #333;
    font-weight: 600;
}

.elearning-text {
    text-align: center;
    padding: 1rem;
}

.elearning-description {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 1rem;
    font-weight: 500;
}

.elearning-title {
    font-size: 3rem;
    color: #1a237e;
    font-weight: 900;
    margin: 1rem 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #1a237e, #4fc3f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.elearning-subtitle {
    font-size: 1.3rem;
    color: #333;
    font-weight: 600;
    margin-top: 1rem;
}

.elearning-illustration {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.elearning-illustration i {
    font-size: 3rem;
    color: #4fc3f7;
    padding: 1rem;
    background: rgba(79, 195, 247, 0.1);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: all 0.3s ease;
}

.elearning-illustration i:hover {
    background: rgba(79, 195, 247, 0.2);
    transform: rotate(10deg) scale(1.1);
}

/* 受講者の声セクション */
.ai-testimonial-section {
    padding: 100px 0;
    background: rgba(245, 247, 250, 0.85);
    backdrop-filter: blur(1px);
}

.ai-testimonial-section h2 {
    color: #1a237e;
    margin-bottom: 4rem;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.testimonial-item {
    background: #fff;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
}

.testimonial-item::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 4rem;
    color: #4fc3f7;
    opacity: 0.3;
}

.testimonial-content p {
    color: #333;
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    padding-top: 2rem;
}

.testimonial-author {
    text-align: right;
}

.author-name {
    color: #1a237e;
    font-weight: 600;
}

/* CTAセクション */
.ai-cta-section {
    padding: 120px 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.85) 100%);
    backdrop-filter: blur(1px);
    text-align: center;
}

.cta-content h2 {
    color: #fff;
    font-size: 3rem;
    margin-bottom: 2rem;
    font-weight: 800;
    line-height: 1.4;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.4rem;
    margin-bottom: 3rem;
}

.cta-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    align-items: center;
}

.cta-button {
    padding: 1.5rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.cta-button.primary {
    background: #fff;
    color: #667eea;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.cta-button.secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.cta-button.secondary:hover {
    background: #fff;
    color: #667eea;
}

/* お問い合わせセクション */
.ai-contact-section {
    padding: 100px 0;
    background: rgba(13, 71, 161, 0.8);
    backdrop-filter: blur(1px);
}

.ai-contact-section h2 {
    color: #fff;
    margin-bottom: 3rem;
}

.contact-info {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-info > p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #fff;
    font-size: 1.2rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: #4fc3f7;
}

/* アニメーション削除（シンプルに） */

/* 申込フォームセクション */
.ai-application-section {
    padding: 80px 0;
    background: rgba(245, 247, 250, 0.85);
    backdrop-filter: blur(1px);
}

.ai-application-section h2 {
    color: #1a237e;
    margin-bottom: 3rem;
}

.application-form {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    color: #333;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.required {
    color: #ff5252;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #4fc3f7;
    box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.1);
}

.form-actions {
    text-align: center;
    margin-top: 2.5rem;
}

.submit-button,
.confirm-button,
.back-button,
.home-button {
    padding: 15px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.submit-button,
.confirm-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.submit-button:hover,
.confirm-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.back-button {
    background: #e0e0e0;
    color: #333;
    margin-right: 1rem;
}

.back-button:hover {
    background: #d0d0d0;
}

/* 確認画面 */
.confirmation-screen {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.confirmation-screen h3 {
    color: #1a237e;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: center;
}

.confirmation-content dl {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 1rem;
}

.confirmation-content dt {
    font-weight: 600;
    color: #666;
}

.confirmation-content dd {
    color: #333;
    margin: 0;
}

.total-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ff5252;
}

/* 完了画面 */
.completion-screen {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: 4rem 2rem;
}

.completion-icon {
    font-size: 4rem;
    color: #4caf50;
    margin-bottom: 2rem;
}

.completion-screen h3 {
    color: #1a237e;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.completion-screen p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.home-button {
    background: linear-gradient(135deg, #4fc3f7 0%, #29b6f6 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(79, 195, 247, 0.4);
}

.home-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 195, 247, 0.5);
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
    .course-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .case-study-grid,
    .why-grid,
    .testimonial-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .ai-hero-section {
        min-height: 400px;
        padding: 80px 20px;
    }
    
    .ai-hero-title {
        font-size: 32px;
    }
    
    .hero-description {
        font-size: 16px;
        padding: 0 20px;
    }
    
    .hero-badge {
        font-size: 14px;
        padding: 10px 20px;
    }
    
    .application-form,
    .confirmation-screen {
        padding: 2rem;
    }
    
    .confirmation-content dl {
        grid-template-columns: 1fr;
    }
    
    .confirmation-content dt {
        margin-top: 1rem;
    }
    
    .instructor-profile {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .instructor-photo {
        width: 200px;
        height: 200px;
    }
    
    .instructor-name {
        font-size: 1.8rem;
    }
    
    .instructor-title {
        font-size: 1.1rem;
    }
    
    .elearning-highlight {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .elearning-devices {
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
    }
    
    .device-icon {
        flex: 1;
        max-width: 150px;
    }
    
    .elearning-title {
        font-size: 2.2rem;
    }
    
    .elearning-illustration {
        flex-direction: row;
        justify-content: center;
    }
    
    .elearning-illustration i {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .requirements-intro {
        font-size: 1rem;
        padding: 1.5rem;
    }
    
    .apply-button {
        font-size: 1.1rem;
        padding: 1.2rem 2.5rem;
    }
    
    .bundle-price {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 2rem;
    }
    
    .cta-button {
        width: 100%;
        text-align: center;
    }
    
    .contact-details {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .course-content {
        padding: 2rem;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
}