/* 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: 1.6;
    color: #1F2937;
    background-color: #F9FAFB;
    overflow-x: hidden;
}

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

/* ヘッダー */
.header {
    background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    margin: 0;
    line-height: 1;
}

.logo-ai {
    color: #F59E0B;
    text-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.logo-pen {
    color: #FFFFFF;
}

.logo-subtitle {
    font-size: 12px;
    color: #E5E7EB;
    margin-top: 2px;
    font-weight: 400;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #FFFFFF;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #F59E0B;
    transform: translateY(-2px);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #F59E0B;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-cta {
    margin-left: 20px;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
    border: none;
    cursor: pointer;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.6);
}

.cta-btn.large {
    padding: 16px 32px;
    font-size: 16px;
}

.cta-btn.primary {
    background: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #FFFFFF;
    margin: 3px 0;
    transition: 0.3s;
}

/* メインビジュアル */
.hero {
    margin-top: 80px;
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9) 0%, rgba(37, 99, 235, 0.8) 100%);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
}

.hero-text {
    color: white;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.highlight {
    color: #F59E0B;
    text-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
}

.accent {
    color: #10B981;
    text-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    color: #E5E7EB;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #F59E0B;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: #D1D5DB;
}

.hero-cta {
    margin-top: 40px;
}

.cta-note {
    margin-top: 12px;
    font-size: 14px;
    color: #D1D5DB;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-main-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.hero-main-image:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* セクション共通スタイル */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: #6B7280;
    max-width: 600px;
    margin: 0 auto;
}

/* 問題提起セクション */
.problems {
    padding: 100px 0;
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 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;
}

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

.problem-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.problem-icon i {
    font-size: 32px;
    color: white;
}

.problem-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 16px;
}

.problem-card p {
    color: #6B7280;
    line-height: 1.6;
}

/* 解決策セクション */
.solution {
    padding: 100px 0;
    background: white;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.solution-image {
    display: flex;
    justify-content: center;
}

.solution-main-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 24px;
    color: white;
}

.feature-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 8px;
}

.feature-content p {
    color: #6B7280;
    line-height: 1.6;
}

/* 講師紹介セクション */
.instructor {
    padding: 100px 0;
    background: linear-gradient(135deg, #F3F4F6 0%, #E5E7EB 100%);
}

.instructor-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: flex-start;
}

.instructor-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.instructor-photo {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border: 5px solid white;
}

.instructor-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.instructor-name {
    font-size: 32px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 8px;
}

.instructor-title {
    font-size: 18px;
    color: #2563EB;
    font-weight: 600;
    margin-bottom: 30px;
}

.credentials {
    margin-bottom: 30px;
}

.credential-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    padding: 12px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.credential-item i {
    color: #2563EB;
    font-size: 16px;
    width: 20px;
}

.instructor-description {
    margin-bottom: 30px;
}

.instructor-description p {
    margin-bottom: 16px;
    color: #4B5563;
    line-height: 1.7;
}

.instructor-achievements h4 {
    font-size: 20px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 16px;
}

.instructor-achievements ul {
    list-style: none;
}

.instructor-achievements li {
    padding: 8px 0;
    color: #4B5563;
    position: relative;
    padding-left: 20px;
}

.instructor-achievements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10B981;
    font-weight: bold;
}

/* お客様の声セクション */
.testimonials {
    padding: 100px 0;
    background: white;
}

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

.testimonial-card {
    background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border-left: 5px solid #2563EB;
}

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

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-avatar i {
    color: white;
    font-size: 20px;
}

.testimonial-info h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 4px;
}

.testimonial-info p {
    font-size: 14px;
    color: #6B7280;
}

.testimonial-content p {
    color: #4B5563;
    line-height: 1.6;
    margin-bottom: 20px;
    font-style: italic;
}

.result-badge {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

/* サービス内容セクション */
.services {
    padding: 100px 0;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
}

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

.service-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;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #2563EB 0%, #1E40AF 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 32px;
    color: white;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 16px;
}

.service-card p {
    color: #6B7280;
    line-height: 1.6;
}

/* 価格セクション */
.pricing {
    padding: 100px 0;
    background: white;
}

.pricing-content {
    display: flex;
    justify-content: center;
}

.pricing-card {
    background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%);
    color: white;
    padding: 50px 40px;
    border-radius: 30px;
    text-align: center;
    max-width: 500px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    50% { transform: translateX(100%) translateY(100%) rotate(45deg); }
    100% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
}

.pricing-header h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
}

.price-comparison {
    margin-bottom: 40px;
}

.original-price {
    display: block;
    font-size: 18px;
    text-decoration: line-through;
    color: #D1D5DB;
    margin-bottom: 8px;
}

.special-price {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: #F59E0B;
    margin-bottom: 16px;
}

.discount-badge {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    display: inline-block;
}

.pricing-features ul {
    list-style: none;
    text-align: left;
    margin-bottom: 40px;
}

.pricing-features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features i {
    color: #10B981;
    font-size: 16px;
}

.pricing-cta .cta-note {
    margin-bottom: 20px;
    font-size: 16px;
    color: #E5E7EB;
}

.guarantee {
    margin-top: 16px;
    font-size: 14px;
    color: #D1D5DB;
}

/* セミナー申込セクション */
.seminar-signup {
    padding: 100px 0;
    background: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
    color: white;
}

.seminar-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.seminar-info h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.seminar-info > p {
    font-size: 18px;
    margin-bottom: 40px;
    color: #FEF3C7;
}

.seminar-benefits h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
}

.seminar-benefits ul {
    list-style: none;
}

.seminar-benefits li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.seminar-benefits i {
    color: #FEF3C7;
    font-size: 16px;
}

.seminar-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

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

.form-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 8px;
}

.form-header p {
    color: #6B7280;
}

.line-signup {
    text-align: center;
}

.line-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: #00B900;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 185, 0, 0.4);
}

.line-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 185, 0, 0.6);
}

.line-btn i {
    font-size: 20px;
}

.line-note {
    margin-top: 16px;
    font-size: 14px;
    color: #6B7280;
}

/* FAQ セクション */
.faq {
    padding: 100px 0;
    background: #F9FAFB;
}

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

.faq-item {
    background: white;
    margin-bottom: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #F3F4F6;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1F2937;
}

.faq-question i {
    color: #2563EB;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 30px 25px;
    max-height: 200px;
}

.faq-answer p {
    color: #4B5563;
    line-height: 1.6;
}

/* フッター */
.footer {
    background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-tagline {
    color: #9CA3AF;
    font-size: 14px;
    margin-bottom: 20px;
}

.footer-description {
    color: #D1D5DB;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-contact {
    color: #9CA3AF;
    font-size: 14px;
}

.footer-nav h4,
.footer-services h4,
.footer-cta h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #F59E0B;
}

.footer-nav ul,
.footer-services ul {
    list-style: none;
}

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

.footer-nav a {
    color: #D1D5DB;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: #F59E0B;
}

.footer-services li {
    color: #D1D5DB;
    font-size: 14px;
}

.footer-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    margin-bottom: 12px;
}

.footer-cta-btn:hover {
    transform: translateY(-2px);
}

.footer-cta-note {
    color: #9CA3AF;
    font-size: 12px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-legal ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.footer-legal a {
    color: #9CA3AF;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: #F59E0B;
}

.footer-copyright {
    color: #9CA3AF;
    font-size: 14px;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-cta {
        margin-left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
    }
    
    .instructor-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .seminar-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

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

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

/* スムーススクロール */
html {
    scroll-behavior: smooth;
}