/* ========================================
   リセット & ベース
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --accent: #06c755;
    --text: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;
    --gray: #f1f5f9;
}

html {
    scroll-behavior: smooth;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   ナビゲーション
======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo img {
    height: 40px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-cta {
    background: var(--primary);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

/* ========================================
   ヒーロー
======================================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 70px;
}

.hero-image {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.8), rgba(59, 130, 246, 0.6));
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    max-width: 900px;
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    font-weight: 400;
}



.btn-hero {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 1.25rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-hero:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ========================================
   3つの価値
======================================== */
.values {
    max-width: 1400px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.value-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.value-item.reverse {
    direction: rtl;
}

.value-item.reverse > * {
    direction: ltr;
}

.value-visual {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.value-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.value-item:hover .value-visual img {
    transform: scale(1.05);
}

.value-text h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.value-text p {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* ========================================
   ビジュアル機能
======================================== */
.visual-showcase {
    background: var(--gray);
    padding: 6rem 2rem;
}

.showcase-header {
    text-align: center;
    margin-bottom: 4rem;
}

.showcase-header h2 {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary);
}

.showcase-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.showcase-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.showcase-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.showcase-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.showcase-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 1.5rem;
    color: var(--primary);
}

.showcase-item p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
}

/* ========================================
   強み
======================================== */
.strengths {
    max-width: 1400px;
    margin: 0 auto;
    padding: 6rem 2rem;
    text-align: center;
}

.strengths h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 4rem;
    color: var(--primary);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 2rem;
}

.strength-item {
    padding: 2rem 1rem;
    background: var(--gray);
    border-radius: 15px;
    transition: all 0.3s ease;
}

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

.strength-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.strength-item h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
}

/* ========================================
   ハイブリッドAI
======================================== */
.hybrid-ai {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 6rem 2rem;
    text-align: center;
    color: white;
}

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

.hybrid-container h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
}

.hybrid-container p {
    font-size: 1.25rem;
    margin-bottom: 4rem;
    opacity: 0.95;
}

.hybrid-image {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

/* ========================================
   管理画面
======================================== */
.admin-section {
    padding: 6rem 2rem;
    text-align: center;
}

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

.admin-text h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--primary);
}

.admin-text p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.admin-visual {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.admin-visual img {
    width: 100%;
    height: auto;
}

/* ========================================
   導入実績
======================================== */
.case-studies {
    background: var(--gray);
    padding: 6rem 2rem;
}

.case-studies h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 4rem;
    color: var(--primary);
    text-align: center;
}

.cases-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.case-card {
    background: white;
    padding: 0;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.case-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.case-card h3 {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    margin: 1.5rem 2rem 0.5rem;
}

.case-url {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0 2rem 1.5rem;
}

.case-effect {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text);
    margin: 0 2rem 1.5rem;
}

.case-effect strong {
    color: var(--primary);
    font-weight: 700;
}

.case-point {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
    padding: 1rem;
    margin: 0 2rem 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary);
}

/* ========================================
   FAQ
======================================== */
.faq {
    max-width: 900px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.faq h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 3rem;
    color: var(--primary);
    text-align: center;
}

.faq-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.faq-item {
    background: var(--gray);
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.faq-item p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* ========================================
   料金
======================================== */
.pricing {
    background: var(--gray);
    padding: 6rem 2rem;
    text-align: center;
}

.pricing h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 4rem;
    color: var(--primary);
}

.pricing-grid {
    max-width: 1200px;
    margin: 0 auto 3rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border: 3px solid var(--primary);
}

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
}

.pricing-card h3 {
    font-size: 1.75rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--primary);
}

.plan-feature {
    font-size: 0.9375rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    min-height: 1.5rem;
}

.price {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--gray);
}

.price-label {
    font-weight: 700;
    color: var(--text-light);
}

.price-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary);
    margin: 0.5rem 0;
}

.price-tax {
    font-size: 0.875rem;
    color: var(--text-light);
}

.btn-pricing {
    display: block;
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s ease;
    margin-top: 2rem;
}

.btn-pricing:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.pricing-note {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.pricing-note p {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.pricing-small {
    font-size: 0.875rem !important;
    color: var(--text-light) !important;
}

.pricing-note strong {
    color: var(--primary);
    font-size: 1.5rem;
}

/* ========================================
   お問い合わせ
======================================== */
.contact {
    max-width: 900px;
    margin: 0 auto;
    padding: 6rem 2rem;
    text-align: center;
}

.contact h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--primary);
}

.contact > p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.contact-form {
    background: var(--gray);
    padding: 3rem;
    border-radius: 20px;
    margin-bottom: 3rem;
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid transparent;
    border-radius: 10px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.contact-form textarea {
    margin-bottom: 1rem;
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 1.25rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.contact-info {
    text-align: left;
    padding: 2rem;
    background: var(--gray);
    border-radius: 15px;
}

.contact-info p {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.contact-info strong {
    color: var(--primary);
}

/* ========================================
   フッター
======================================== */
.footer {
    background: var(--primary);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-logo img {
    height: 40px;
}

.footer-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

.footer-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-content p {
    opacity: 0.8;
}

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .value-item,
    .value-item.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .strengths-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    

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

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.25rem;
    }
    
    .value-text h2,
    .showcase-header h2,
    .strengths h2,
    .pricing h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .strengths-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .btn-hero {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .values,
    .visual-showcase,
    .strengths,
    .pricing,
    .contact {
        padding: 3rem 1rem;
    }
    
    .value-text h2 {
        font-size: 1.5rem;
    }
    
    .value-text p {
        font-size: 1rem;
    }
}