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

:root {
    --primary-color: #0066ff;
    --secondary-color: #00d4ff;
    --dark-blue: #001f3f;
    --light-blue: #e6f2ff;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
    --gradient-dark: linear-gradient(135deg, #001f3f 0%, #003d7a 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

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

/* ナビゲーションバー */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary-color);
}

.logo span {
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.btn-contact {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ヒーローセクション */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://cdn1.genspark.ai/user-upload-image/gpt_image_generated/54fcfc36-01b6-49bb-9924-3b55ddddb5dd.png') center/cover no-repeat;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 31, 63, 0.85) 0%, rgba(0, 102, 255, 0.75) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 1;
}

.hero-subtitle {
    display: block;
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.hero-main {
    display: block;
    font-size: 56px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
}

.hero-description {
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 500;
    animation: fadeInUp 1.2s ease;
}

.hero-subdescription {
    font-size: 18px;
    margin-bottom: 50px;
    opacity: 0.9;
    animation: fadeInUp 1.4s ease;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
    animation: fadeInUp 1.6s ease;
}

.btn {
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(0, 102, 255, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid var(--white);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

.hero-stats {
    display: flex;
    gap: 60px;
    justify-content: center;
    animation: fadeInUp 1.8s ease;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

/* セクション共通スタイル */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.section-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
}

/* 業界の現状セクション */
.crisis-section {
    background: linear-gradient(180deg, var(--white) 0%, var(--light-blue) 100%);
}

.crisis-content {
    display: grid;
    gap: 40px;
}

.crisis-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.crisis-image img {
    width: 100%;
    height: auto;
    display: block;
}

.crisis-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.crisis-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.crisis-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.crisis-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.crisis-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.crisis-stat {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.crisis-stat strong {
    color: #ff4444;
    font-size: 28px;
    font-weight: 900;
}

.crisis-desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

/* AI導入の必要性セクション */
.solution-section {
    background: var(--white);
}

.solution-content {
    display: grid;
    gap: 50px;
}

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

.stat-card {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.stat-card h3 {
    font-size: 18px;
    margin-bottom: 30px;
    font-weight: 600;
}

.large-stat {
    font-size: 64px;
    font-weight: 900;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.large-stat span {
    font-size: 36px;
}

.large-stat.secondary {
    font-size: 48px;
    margin-top: 20px;
}

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

.solution-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.solution-image img {
    width: 100%;
    height: auto;
    display: block;
}

.solution-benefits {
    background: linear-gradient(135deg, #fff5f5 0%, #ffe6e6 100%);
    padding: 40px;
    border-radius: 20px;
    border-left: 5px solid #ff4444;
}

.solution-benefits h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    color: #ff4444;
}

.risk-list {
    list-style: none;
    display: grid;
    gap: 20px;
}

.risk-list li {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.risk-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.risk-list strong {
    display: block;
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.risk-list p {
    font-size: 15px;
    color: var(--text-light);
}

/* プログラムセクション */
.program-section {
    background: linear-gradient(180deg, var(--light-blue) 0%, var(--white) 100%);
}

.program-levels-image {
    margin-bottom: 50px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.program-levels-image img {
    width: 100%;
    height: auto;
    display: block;
}

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

.program-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    position: relative;
    border-top: 5px solid var(--primary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.program-card.level-beginner {
    border-top-color: #4CAF50;
}

.program-card.level-intermediate {
    border-top-color: #FF9800;
}

.program-card.level-advanced {
    border-top-color: #9C27B0;
}

.program-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.level-beginner .program-badge {
    background: #4CAF50;
}

.level-intermediate .program-badge {
    background: #FF9800;
}

.level-advanced .program-badge {
    background: #9C27B0;
}

.program-card h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
}

.program-duration {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.program-topics h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.program-topics ul {
    list-style: none;
    margin-bottom: 30px;
}

.program-topics li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    font-size: 15px;
    color: var(--text-dark);
}

.program-topics li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.program-outcome {
    background: var(--light-blue);
    padding: 20px;
    border-radius: 10px;
    font-size: 15px;
    color: var(--text-dark);
}

.program-outcome strong {
    color: var(--primary-color);
}

/* 対象者セクション */
.target-section {
    background: var(--gradient-dark);
    color: var(--white);
}

.target-content h2 {
    text-align: center;
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 50px;
}

.target-content .highlight {
    color: var(--secondary-color);
}

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

.target-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.target-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.target-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.target-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
}

.target-card p {
    font-size: 15px;
    opacity: 0.9;
}

/* セミナーの特徴セクション */
.benefits-section {
    background: var(--white);
}

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

.benefits-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.benefits-image img {
    width: 100%;
    height: auto;
    display: block;
}

.benefits-list {
    display: grid;
    gap: 25px;
}

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

.benefit-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 20px;
    flex-shrink: 0;
}

.benefit-text h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.benefit-text p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 成功事例セクション */
.success-section {
    background: linear-gradient(180deg, var(--light-blue) 0%, var(--white) 100%);
}

.success-image {
    margin-bottom: 50px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.success-image img {
    width: 100%;
    height: auto;
    display: block;
}

.success-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.success-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.success-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.success-results {
    display: grid;
    gap: 20px;
    margin-bottom: 30px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: var(--light-blue);
    border-radius: 10px;
}

.result-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.result-value {
    font-size: 24px;
    font-weight: 900;
    color: var(--primary-color);
}

.success-comment {
    font-size: 16px;
    font-style: italic;
    color: var(--text-light);
    padding: 20px;
    background: #f9f9f9;
    border-left: 4px solid var(--primary-color);
    border-radius: 5px;
}

/* CTAセクション */
.cta-section {
    background: var(--gradient-dark);
    color: var(--white);
}

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

.cta-content h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
}

.cta-content > p {
    font-size: 20px;
    margin-bottom: 50px;
    opacity: 0.9;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 50px;
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 14px;
}

.required {
    color: #ff4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 16px;
    font-family: 'Noto Sans JP', sans-serif;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--dark-blue);
    color: var(--white);
}

.btn-large {
    width: 100%;
    padding: 20px;
    font-size: 18px;
    margin-top: 20px;
    cursor: pointer;
    border: none;
}

/* フッター */
.footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    margin-bottom: 20px;
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-col p {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.8;
}

.footer-tagline {
    margin-top: 15px;
    font-weight: 600;
    color: var(--secondary-color);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.6;
}

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

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

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* レスポンシブデザイン */
@media (max-width: 1024px) {
    .benefits-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        box-shadow: var(--shadow-md);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
        padding: 20px;
        border-bottom: 1px solid #eee;
    }

    .hamburger {
        display: flex;
    }

    .hero-main {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .section-title {
        font-size: 32px;
    }

    .crisis-cards,
    .solution-stats,
    .program-cards,
    .target-cards {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .success-cards {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-main {
        font-size: 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .cta-content h2 {
        font-size: 32px;
    }
}