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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
.header {
    background: #ffffff;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-bottom: 1px solid #e2e8f0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-wrapper {
    display: flex;
    align-items: center;
}

.logo {
    height: 80px;
    width: auto;
    max-width: 300px;
    object-fit: contain;
}

/* ボタン */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 10px 25px;
}

.btn-header:hover {
    background: linear-gradient(135deg, #5568d3 0%, #6941a5 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background: #667eea;
    color: #fff;
}

.btn-lg {
    padding: 15px 40px;
    font-size: 18px;
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-title .highlight {
    color: #ffd700;
}

.hero-subtitle {
    font-size: 22px;
    margin-bottom: 40px;
    opacity: 0.95;
}

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

/* セクション共通 */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 38px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: #2d3748;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: #718096;
    margin-bottom: 50px;
}

/* 緊急課題セクション */
.crisis {
    background: #f7fafc;
}

.crisis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.crisis-item {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.crisis-number {
    font-size: 60px;
    font-weight: 700;
    color: #e53e3e;
    margin-bottom: 10px;
}

.crisis-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2d3748;
}

.crisis-warning {
    background: linear-gradient(135deg, #fc8181 0%, #e53e3e 100%);
    color: #fff;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
}

.crisis-warning h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.crisis-warning p {
    font-size: 18px;
    margin-bottom: 10px;
}

/* 購買プロセスの変化 */
.transformation {
    background: #fff;
}

.comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.comparison-item {
    background: #f7fafc;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.comparison-item.new {
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f5ff 100%);
    border: 3px solid #667eea;
}

.comparison-item h3 {
    font-size: 24px;
    margin-bottom: 30px;
    text-align: center;
    color: #2d3748;
}

.process-steps {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step {
    background: #fff;
    padding: 15px 30px;
    border-radius: 10px;
    margin: 5px 0;
    width: 100%;
    text-align: center;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.step.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.arrow {
    font-size: 24px;
    color: #667eea;
    margin: 10px 0;
}

.process-note {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    color: #718096;
}

/* AIに選ばれる条件 */
.conditions {
    background: #f7fafc;
}

.conditions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.conditions-box {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.conditions-box.selected {
    border: 3px solid #48bb78;
}

.conditions-box.rejected {
    border: 3px solid #e53e3e;
}

.conditions-box h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.conditions-box ul {
    list-style: none;
}

.conditions-box li {
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
}

.conditions-box li:last-child {
    border-bottom: none;
}

/* ソリューションセクション */
.solution {
    background: #fff;
}

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

.solution-logo {
    height: 80px;
    width: auto;
    margin-bottom: 20px;
}

.solution-description {
    text-align: center;
    font-size: 18px;
    color: #718096;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background: #f7fafc;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2d3748;
}

/* データフロー */
.dataflow {
    background: #f7fafc;
}

.dataflow-diagram {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.dataflow-step {
    display: flex;
    align-items: center;
    margin: 10px 0;
}

.dataflow-box {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    min-width: 200px;
    text-align: center;
}

.dataflow-box.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.dataflow-box h4 {
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 700;
}

.dataflow-arrow {
    font-size: 30px;
    color: #667eea;
    margin: 0 10px;
}

.dataflow-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.dataflow-feature {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.dataflow-feature h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #2d3748;
}

/* 料金プラン */
.pricing {
    background: #fff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.pricing-card {
    background: #f7fafc;
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    position: relative;
    transition: transform 0.3s ease;
}

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

.pricing-card.featured {
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f5ff 100%);
    border: 3px solid #667eea;
}

.pricing-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
}

.pricing-header h3 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #2d3748;
}

.pricing-price {
    margin-bottom: 20px;
}

.price-amount {
    font-size: 36px;
    font-weight: 700;
    color: #667eea;
}

.pricing-description {
    font-size: 15px;
    color: #718096;
    margin-bottom: 30px;
    min-height: 60px;
}

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

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
    font-size: 14px;
}

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

.pricing-cta {
    text-align: center;
}

/* カスタマイズ見積例 */
.customization-pricing {
    background: #f7fafc;
    padding: 40px;
    border-radius: 15px;
    margin-top: 40px;
}

.customization-pricing h3 {
    font-size: 24px;
    margin-bottom: 30px;
    text-align: center;
    color: #2d3748;
}

.customization-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.customization-item {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.customization-item h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #2d3748;
}

.customization-price {
    font-size: 22px;
    font-weight: 700;
    color: #667eea;
}

/* ラボ共同利用 */
.lab-model {
    background: #f7fafc;
}

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

.lab-benefit {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
}

.lab-benefit h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2d3748;
}

/* ローンチカスタマー */
.launch-customer {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    padding: 80px 0;
}

.launch-customer .section-title {
    color: #2d3748;
}

.launch-benefits, .launch-conditions {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.launch-benefits h3, .launch-conditions h3 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #2d3748;
}

.launch-list {
    list-style: none;
}

.launch-list li {
    padding: 10px 0;
    font-size: 16px;
    color: #2d3748;
}

/* リスクセクション */
.risk {
    background: #fff;
}

.risk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.risk-item {
    background: #fff5f5;
    padding: 40px 30px;
    border-radius: 15px;
    border: 2px solid #fc8181;
    text-align: center;
}

.risk-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #e53e3e;
}

.risk-warning {
    background: linear-gradient(135deg, #fc8181 0%, #e53e3e 100%);
    color: #fff;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
}

.risk-warning p {
    font-size: 18px;
    margin-bottom: 15px;
}

/* お問い合わせ */
.contact {
    background: #f7fafc;
}

.contact-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

/* まとめ */
.summary {
    background: #fff;
}

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

.summary-point {
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f5ff 100%);
    padding: 40px 30px;
    border-radius: 15px;
    border: 3px solid #667eea;
}

.summary-point h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2d3748;
}

/* フッター */
.footer {
    background: #2d3748;
    color: #fff;
    padding: 60px 0 20px;
}

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

.footer-company h3 {
    font-size: 22px;
    margin-bottom: 20px;
}

.footer-company p {
    margin-bottom: 10px;
}

.footer-company a {
    color: #90cdf4;
    text-decoration: none;
}

.footer-company a:hover {
    text-decoration: underline;
}

.footer-cta {
    text-align: right;
}

.footer-copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #4a5568;
    color: #a0aec0;
}

/* ページトップへ戻るボタン */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 24px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }

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

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

    .comparison {
        grid-template-columns: 1fr;
    }

    .conditions-grid {
        grid-template-columns: 1fr;
    }

    .dataflow-diagram {
        flex-direction: column;
    }

    .dataflow-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-cta {
        text-align: center;
    }

    .logo {
        height: 40px;
    }

    .btn-lg {
        padding: 12px 30px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }

    section {
        padding: 60px 0;
    }

    .crisis-number {
        font-size: 48px;
    }

    .dataflow-box {
        min-width: 150px;
        padding: 20px;
    }

    .scroll-to-top {
        width: 40px;
        height: 40px;
        font-size: 20px;
        bottom: 20px;
        right: 20px;
    }
}
/* Hero features */
.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.hero-feature-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 15px 25px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
}

.hero-icon {
    font-size: 24px;
}

/* Section intro */
.section-intro {
    text-align: center;
    font-size: 17px;
    color: #4a5568;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* Crisis detail text */
.crisis-detail-text {
    margin-top: 15px;
    font-size: 14px;
    color: #4a5568;
    line-height: 1.7;
}

/* Impact grid */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.impact-item {
    padding: 20px;
    border-radius: 10px;
    color: #2d3748;
}

.impact-item strong {
    color: #1a202c;
    font-size: 16px;
}

.impact-item p {
    color: #4a5568;
}

.impact-item.high {
    background: #fff5f5;
    border-left: 4px solid #e53e3e;
}

.impact-item.medium {
    background: #fffaf0;
    border-left: 4px solid #ed8936;
}

.impact-reason {
    margin-top: 10px;
    font-size: 13px;
    color: #718096;
    font-style: italic;
}

.crisis-emphasis {
    margin-top: 30px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    line-height: 1.8;
}

/* Advisor examples */
.advisor-examples {
    margin: 30px 0;
}

.advisor-example {
    background: white;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.user-query {
    background: #e6f7ff;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    font-size: 15px;
}

.ai-response {
    background: #f0f5ff;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    font-size: 15px;
}

.example-explanation {
    font-size: 14px;
    color: #718096;
    font-style: italic;
    margin-top: 10px;
}

.transformation-emphasis {
    margin-top: 30px;
    font-size: 17px;
    font-weight: 600;
    text-align: center;
    padding: 25px;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe4e4 100%);
    border-radius: 10px;
    line-height: 1.8;
}

/* Future vision */
.future-vision {
    margin-top: 50px;
    padding: 40px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 15px;
}

.future-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.future-feature {
    background: white;
    padding: 20px;
    border-radius: 10px;
}

.future-feature h5 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #2d3748;
}

.future-emphasis {
    margin-top: 20px;
    font-weight: 600;
    text-align: center;
    font-size: 16px;
}

/* Winning positions */
.positions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.position-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.position-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.position-detail {
    margin-top: 20px;
    padding: 20px;
    background: #f7fafc;
    border-radius: 10px;
}

.position-detail ul {
    margin-top: 10px;
    padding-left: 20px;
}

.position-detail li {
    margin: 8px 0;
    font-size: 14px;
}

.positions-emphasis {
    margin-top: 30px;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    padding: 20px;
    background: #fffaf0;
    border-radius: 10px;
}

/* Key success formula */
.key-success-formula {
    margin-top: 50px;
    padding: 40px;
    background: linear-gradient(135deg, #fefcbf 0%, #faf089 100%);
    border-radius: 15px;
}

.formula-elements {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.formula-element {
    background: white;
    padding: 25px;
    border-radius: 10px;
    flex: 1;
    min-width: 200px;
}

.formula-element h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2d3748;
}

.formula-impact {
    margin-top: 15px;
    padding: 10px;
    background: #f0f9ff;
    border-radius: 5px;
    font-size: 13px;
}

.formula-operator {
    font-size: 36px;
    font-weight: 700;
    color: #667eea;
}

.formula-result {
    margin-top: 30px;
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    padding: 20px;
    background: white;
    border-radius: 10px;
}

/* SEO comparison */
.seo-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.seo-old, .seo-new {
    padding: 30px;
    border-radius: 15px;
}

.seo-old {
    background: #f7fafc;
    border: 2px solid #cbd5e0;
}

.seo-new {
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f5ff 100%);
    border: 3px solid #667eea;
}

.seo-old h4, .seo-new h4 {
    font-size: 22px;
    margin-bottom: 20px;
}

.seo-old ul, .seo-new ul {
    list-style: disc;
    padding-left: 20px;
}

.seo-old ul li, .seo-new ul li {
    margin: 10px 0;
    font-size: 15px;
}

.seo-old-focus, .seo-new-focus {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
}

.seo-old-focus {
    background: #edf2f7;
}

.seo-new-focus {
    background: rgba(102, 126, 234, 0.1);
}

.seo-emphasis {
    margin-top: 30px;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    padding: 25px;
    background: #fff5f5;
    border-radius: 10px;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .logo {
        height: 60px;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .formula-elements {
        flex-direction: column;
    }
    
    .formula-operator {
        transform: rotate(90deg);
    }
}