/* モデルベースAI開発ページ専用スタイル */

/* ヒーローセクション */
.ai-hero {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.ai-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.ai-hero .hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
}

/* サービス概要 */
.ai-overview {
    padding: 5rem 0;
    background-color: var(--bg-white);
}

.overview-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.overview-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* AI技術の活用領域 */
.ai-applications {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.application-card {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.app-icon {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.application-card h3 {
    color: #7c3aed;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
    padding-bottom: 1rem;
    border-bottom: 2px solid #ede9fe;
}

.application-card > p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.application-card ul {
    list-style: none;
    padding: 0;
}

.application-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.application-card ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #7c3aed;
    font-weight: bold;
}

/* AI開発プロセス */
.ai-process {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
}

.process-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.process-intro p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
}

.process-flow {
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
}

.step-content h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.step-content p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.step-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.step-tools span {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
    color: #7c3aed;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* AI技術スタック */
.ai-tech-stack {
    padding: 5rem 0;
    background-color: var(--bg-white);
}

.tech-stack-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.tech-stack-intro p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
}

.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tech-stack-card {
    background: white;
    border: 2px solid #ede9fe;
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.tech-stack-card:hover {
    border-color: #7c3aed;
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.tech-stack-card h3 {
    color: #7c3aed;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.tech-stack-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tags span {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
    color: #7c3aed;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* 導入メリット */
.ai-benefits {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
}

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

.benefit-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    color: #7c3aed;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* 提供サービス */
.ai-services {
    padding: 5rem 0;
    background-color: var(--bg-white);
}

.ai-services .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.ai-services .service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.ai-services .service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.ai-services .service-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.ai-services .service-card h3 {
    color: #7c3aed;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.ai-services .service-card > p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.ai-services .service-card ul {
    list-style: none;
    padding: 0;
}

.ai-services .service-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.ai-services .service-card ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #7c3aed;
    font-weight: bold;
}

/* UML・アジャイルとの統合 */
.ai-integration {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
}

.integration-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.integration-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
}

.integration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.integration-card {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

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

.integration-card h3 {
    color: #7c3aed;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    text-align: center;
    padding-bottom: 1rem;
    border-bottom: 2px solid #ede9fe;
}

.integration-description p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.integration-description ul {
    list-style: none;
    padding: 0;
}

.integration-description ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.integration-description ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #7c3aed;
    font-weight: bold;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .applications-grid {
        grid-template-columns: 1fr;
    }

    .tech-stack-grid {
        grid-template-columns: 1fr;
    }

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

    .ai-services .services-grid {
        grid-template-columns: 1fr;
    }

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

    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .ai-hero h1 {
        font-size: 2rem;
    }

    .ai-overview,
    .ai-applications,
    .ai-process,
    .ai-tech-stack,
    .ai-benefits,
    .ai-services,
    .ai-integration {
        padding: 3rem 0;
    }

    .application-card,
    .tech-stack-card,
    .benefit-card,
    .integration-card {
        padding: 1.5rem;
    }

    .process-step {
        padding: 1.5rem;
    }
}