/* リセットとベーススタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* ヒーローヘッダー */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 600px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    min-height: 600px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-text {
    flex: 1;
    padding-right: 40px;
    z-index: 2;
    position: relative;
}

.hero-badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin: 30px 0;
    line-height: 1.2;
}

.hero-title .highlight {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.hero-image {
    flex: 1;
    position: relative;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay-badge {
    background: rgba(255, 255, 255, 0.9);
    padding: 15px 25px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    color: #667eea;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: pulse 2s infinite;
}

.overlay-badge i {
    font-size: 1.5rem;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        padding: 40px 20px;
    }
    
    .hero-text {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .hero-image {
        height: 300px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}

.device-mockup {
    position: relative;
}

.phone-mockup {
    width: 200px;
    height: 400px;
    background: #333;
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 20px;
    overflow: hidden;
}

.app-interface {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.app-icon {
    font-size: 1.5rem;
}

.app-content {
    flex: 1;
}

.ai-chat {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    background: #f0f0f0;
    padding: 8px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    max-width: 80%;
}

.message.user {
    background: #667eea;
    color: white;
    align-self: flex-end;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    top: 10%;
    right: -20px;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 50%;
    left: -30px;
    animation-delay: 1s;
}

.floating-icon:nth-child(3) {
    bottom: 20%;
    right: -10px;
    animation-delay: 2s;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.5)); }
    to { filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.8)); }
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 500;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-3px);
}

.hero-image {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.floating-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    animation: float 3s ease-in-out infinite;
}

.floating-card:nth-child(2) {
    animation-delay: 1s;
}

.floating-card:nth-child(3) {
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.floating-card i {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

/* 共感セクション */
.empathy-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: #2c3e50;
}

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

.problem-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
}

.problem-card:hover {
    transform: translateY(-10px);
}

.problem-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 10px 20px rgba(255, 107, 107, 0.3);
}

.problem-icon i {
    font-size: 2rem;
    color: white;
}

.problem-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.solution-arrow {
    text-align: center;
    margin: 30px 0;
}

.solution-arrow i {
    font-size: 2rem;
    color: #667eea;
    animation: bounce 2s infinite;
}

.solution-box {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    font-size: 1.3rem;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
    position: relative;
}

.solution-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.solution-icon i {
    font-size: 1.5rem;
    color: white;
}

.btn-solution {
    background: white;
    color: #667eea;
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn-solution:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 初心者安心セクション */
.beginner-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    position: relative;
    overflow: hidden;
}

.beginner-section::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 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.5;
}

.beginner-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.beginner-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.support-illustration {
    display: flex;
    align-items: center;
    gap: 30px;
    background: rgba(255, 255, 255, 0.8);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.beginner-person,
.instructor-person {
    text-align: center;
}

.person-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}

.person-text {
    font-weight: 600;
    color: #2c3e50;
}

.support-arrow {
    font-size: 2rem;
    color: #667eea;
    animation: pulse 2s infinite;
}

.support-message {
    background: rgba(255, 255, 255, 0.9);
    padding: 20px 30px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: #2c3e50;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.support-message i {
    color: #667eea;
    font-size: 1.2rem;
}

.beginner-content {
    text-align: left;
}

.experience-badge {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #333;
    padding: 15px 25px;
    border-radius: 25px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

.beginner-icon {
    margin-bottom: 30px;
}

.beginner-icon i {
    font-size: 4rem;
    color: #667eea;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.beginner-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: #2c3e50;
}

.beginner-quote {
    background: rgba(255, 255, 255, 0.8);
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.beginner-quote p {
    font-size: 1.3rem;
    font-weight: 600;
    color: #e74c3c;
    margin-bottom: 10px;
}

.beginner-quote p:last-child {
    margin-bottom: 0;
}

.beginner-reassurance {
    background: rgba(255, 255, 255, 0.9);
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.beginner-reassurance p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #2c3e50;
    margin-bottom: 15px;
}

.beginner-reassurance p:last-child {
    margin-bottom: 0;
    font-weight: 600;
    color: #27ae60;
}

.beginner-explanation {
    background: rgba(255, 255, 255, 0.9);
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.beginner-explanation p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #2c3e50;
    margin-bottom: 15px;
}

.beginner-explanation p:last-child {
    margin-bottom: 0;
}

.beginner-explanation strong {
    color: #667eea;
    font-weight: 700;
}

.beginner-features {
    background: rgba(255, 255, 255, 0.9);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1.2rem;
    color: #2c3e50;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-icon {
    font-size: 1.5rem;
    color: #27ae60;
    font-weight: bold;
}

/* 実績・信頼セクション */
.credibility-section {
    padding: 80px 0;
    background: white;
}

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

.author-info {
    display: flex;
    gap: 40px;
    align-items: center;
}

.author-image {
    flex-shrink: 0;
}

.author-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #667eea;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: transform 0.3s ease;
}

.author-photo:hover {
    transform: scale(1.05);
}

/* 講師プロフィール写真 */
.instructor-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #667eea;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    transition: transform 0.3s ease;
}

.instructor-photo:hover {
    transform: scale(1.05);
}

/* 講師セクション */
.instructor-section {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.instructor-info {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.instructor-image {
    flex-shrink: 0;
}

.instructor-details {
    flex: 1;
}

.instructor-intro h3 {
    font-size: 1.8rem;
    color: #667eea;
    margin-bottom: 20px;
}

.instructor-name {
    font-size: 1.2rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.instructor-background {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 30px;
    color: #555;
}

.achievements-section {
    margin: 30px 0;
}

.achievements-section h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 15px;
}

.achievements {
    list-style: none;
    padding: 0;
}

.achievements li {
    padding: 8px 0;
    font-size: 1rem;
    color: #555;
}

.achievements li i {
    color: #667eea;
    margin-right: 10px;
    width: 20px;
}

.books-showcase, .app-showcase {
    margin: 30px 0;
}

.books-showcase h4, .app-showcase h4 {
    font-size: 1.3rem;
    color: #333;
    margin-bottom: 20px;
}

.instructor-section .books-grid, 
.instructor-section .apps-grid {
    display: flex !important;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
    justify-content: flex-start;
}

/* 講師セクション内の著書・アプリアイテム */
.instructor-section .book-item, 
.instructor-section .app-item {
    flex: 0 0 auto !important;
    width: 200px !important;
    text-align: center;
    display: block !important;
}

/* 講師セクション内のshowcaseを上書き */
.instructor-section .books-showcase,
.instructor-section .app-showcase {
    display: block !important;
}

.instructor-message, .instructor-encouragement {
    margin: 30px 0;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.instructor-message h4, .instructor-encouragement h4 {
    font-size: 1.2rem;
    color: #667eea;
    margin-bottom: 15px;
}

.instructor-encouragement blockquote {
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
    border-left: 4px solid #667eea;
    padding-left: 20px;
    margin: 0;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .instructor-info {
        flex-direction: column;
        text-align: center;
    }
    
    .instructor-image {
        align-self: center;
    }
    
    .instructor-section .books-grid, 
    .instructor-section .apps-grid {
        justify-content: center;
    }
    
    .instructor-section .book-item, 
    .instructor-section .app-item {
        width: 150px !important;
    }
}

@media (max-width: 480px) {
    .instructor-section .books-grid, 
    .instructor-section .apps-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .instructor-section .book-item, 
    .instructor-section .app-item {
        width: 200px !important;
    }
}

.author-image i {
    font-size: 8rem;
    color: #667eea;
}

.author-details h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.achievements {
    list-style: none;
    margin: 20px 0;
}

.achievements li {
    padding: 10px 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.achievements i {
    color: #667eea;
    font-size: 1.2rem;
}

.app-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.app-link:hover {
    color: #5a6fd8;
    border-bottom-color: #667eea;
    transform: translateY(-1px);
}

.app-link::after {
    content: '↗';
    font-size: 0.8rem;
    margin-left: 5px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.app-link:hover::after {
    opacity: 1;
}

/* アプリショーケース */
.app-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.app-item {
    text-align: center;
    background: white;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.app-screenshot {
    position: relative;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.screenshot-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.app-screenshot:hover .screenshot-img {
    transform: scale(1.05);
}

.app-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.app-screenshot:hover .app-overlay {
    opacity: 1;
}

.app-link-btn {
    background: white;
    color: #667eea;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.app-link-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.app-item h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 8px;
}

.app-item p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

/* 著書ショーケース */
.books-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.book-item {
    text-align: center;
    background: white;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.book-cover {
    position: relative;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.book-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.book-cover:hover .book-image {
    transform: scale(1.05);
}

.book-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.book-cover:hover .book-overlay {
    opacity: 1;
}

.book-link-btn {
    background: white;
    color: #667eea;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.book-link-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.book-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
}

.app-badge {
    background: linear-gradient(45deg, #01875f, #4caf50);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 8px;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.app-badge i {
    font-size: 0.9rem;
}

/* ウェブサービスショーケース */
.web-service-showcase {
    margin: 40px 0;
    padding: 30px 0;
    border-top: 2px solid #e9ecef;
}

.web-service-showcase h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.web-service-url {
    font-size: 0.85rem;
    color: #667eea;
    font-weight: 600;
    margin-top: 5px;
    font-family: 'Courier New', monospace;
    display: block;
}

blockquote {
    background: #f8f9fa;
    padding: 30px;
    border-left: 5px solid #667eea;
    margin: 30px 0;
    font-style: italic;
    font-size: 1.2rem;
    border-radius: 0 15px 15px 0;
}

/* 講座の紹介 */
.course-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.course-subtitle {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 50px;
    opacity: 0.9;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.step-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-10px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.step-content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.step-content ul {
    list-style: none;
    text-align: left;
}

.step-content li {
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.step-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
}

.course-highlight {
    text-align: center;
    font-size: 1.3rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

/* 受講者の声 */
.testimonials-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content i {
    color: #667eea;
    font-size: 2rem;
    margin-bottom: 15px;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.testimonial-author {
    color: #667eea;
    font-weight: 600;
}

/* 料金・プラン */
.pricing-section {
    padding: 80px 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border-color: #667eea;
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.price {
    margin-bottom: 30px;
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #667eea;
}

.period {
    font-size: 1rem;
    color: #666;
}

.lifetime-support {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #333;
    padding: 10px 20px;
    border-radius: 25px;
    margin: 15px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 3px 10px rgba(255, 215, 0, 0.3);
}

.lifetime-support i {
    font-size: 1.1rem;
    animation: pulse 2s infinite;
}

.monthly-support {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    margin: 15px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 3px 10px rgba(102, 126, 234, 0.3);
}

.monthly-support i {
    font-size: 1.1rem;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

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

.features li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.features i {
    color: #28a745;
    font-size: 1.1rem;
}

.btn-pricing {
    width: 100%;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #e9ecef;
    color: #333;
}

.btn-pricing.primary {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* クロージング */
.closing-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    text-align: center;
}

.closing-content h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    font-weight: 700;
}

.closing-content p {
    font-size: 1.2rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.closing-cta {
    font-size: 1.3rem;
    margin: 30px 0;
    color: #ffd700;
}

.btn-primary.large {
    padding: 20px 40px;
    font-size: 1.2rem;
}

/* お問い合わせフォーム */
.contact-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

/* フッター */
.footer {
    background: #2c3e50;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: #ffd700;
}

.footer-section p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #ffd700;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
    opacity: 0.8;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-features {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .phone-mockup {
        width: 150px;
        height: 300px;
    }
    
    .beginner-layout {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .beginner-content {
        text-align: center;
    }
    
    .support-illustration {
        flex-direction: column;
        gap: 20px;
    }
    
    .author-info {
        flex-direction: column;
        text-align: center;
    }
    
    .author-photo {
        width: 150px;
        height: 150px;
    }
    
    .beginner-title {
        font-size: 2rem;
    }
    
    .beginner-quote p,
    .beginner-reassurance p,
    .beginner-explanation p {
        font-size: 1.1rem;
    }
    
    .feature-item {
        font-size: 1.1rem;
    }
    
    .app-showcase {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .app-badge {
        font-size: 0.7rem;
        padding: 4px 10px;
    }
    
    .app-item {
        padding: 15px;
    }
    
    .screenshot-img {
        height: 150px;
    }
    
    .books-showcase {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .book-item {
        padding: 15px;
    }
    
    .book-image {
        height: 150px;
    }
    
    .author-image i {
        font-size: 6rem;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .closing-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* スクロールアニメーション用 */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* コミュニティ紹介セクション */
.community-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.community-header {
    text-align: center;
    margin-bottom: 40px;
}

.community-pricing-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: 25px 40px;
    display: inline-block;
    margin-top: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.price-badge-top {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 10px;
}

.price-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.price-display .currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.price-display .amount {
    font-size: 3.5rem;
    font-weight: 700;
    color: #ffd700;
}

.price-display .period {
    font-size: 1rem;
    opacity: 0.9;
}

.community-subtitle {
    text-align: center;
    margin-bottom: 50px;
}

.community-subtitle h3 {
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.community-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.community-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px 35px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: #2c3e50;
}

.community-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.community-card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid #667eea;
}

.community-card-header i {
    font-size: 2rem;
    color: #667eea;
}

.community-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
    line-height: 1.4;
}

.community-card-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.community-feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon-wrapper {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.feature-content {
    flex: 1;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #444;
}

.feature-content strong {
    color: #667eea;
    font-weight: 700;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .community-cards-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .community-card {
        padding: 30px 25px;
    }
    
    .community-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .community-card-title {
        font-size: 1.2rem;
    }
    
    .community-feature-item {
        flex-direction: column;
        gap: 15px;
    }
    
    .feature-icon-wrapper {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    
    .feature-content {
        font-size: 1rem;
    }
    
    .community-subtitle h3 {
        font-size: 1.5rem;
    }
    
    .price-display .amount {
        font-size: 2.5rem;
    }
}