/* グローバルスタイル */
:root {
    --primary-color: #7c3aed;
    --secondary-color: #3b82f6;
    --accent-color: #ec4899;
    --dark-bg: #0f172a;
    --light-bg: #ffffff;
    --text-dark: #1e293b;
    --text-light: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ナビゲーション */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-menu a:hover {
    opacity: 0.8;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    margin: 5px 0;
    transition: 0.3s;
}

/* ヒーローセクション */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    padding: 3rem 2rem;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-problems {
    margin: 2rem 0;
    text-align: left;
    display: inline-block;
}

.hero-problems p {
    margin: 0.5rem 0;
    font-size: 1.1rem;
}

.hero-solution {
    font-size: 1.2rem;
    margin: 2rem 0;
    font-weight: 600;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #db2777;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(236, 72, 153, 0.6);
}

.cta-button-large {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 1.2rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
    border: none;
    cursor: pointer;
}

.cta-button-large:hover {
    background-color: #db2777;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(236, 72, 153, 0.6);
}

/* セクション共通 */
section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: #64748b;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* 商品セクション */
.products {
    background-color: #f8fafc;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.6s ease-out;
}

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

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.product-header h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.product-level {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.product-details {
    margin: 1.5rem 0;
    color: #64748b;
}

.product-details p {
    margin: 0.5rem 0;
}

.product-price {
    margin: 1.5rem 0;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border-radius: 8px;
}

.price-amount {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.product-cta {
    display: block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.product-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}

/* セクションディバイダー */
.section-divider {
    width: 100%;
    height: 200px;
    overflow: hidden;
    margin: 2rem 0;
}

.divider-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* USPセクション */
.usp {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.usp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.usp-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.6s ease-out;
}

.usp-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

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

.usp-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--primary-color);
}

.usp-card p {
    color: #64748b;
    line-height: 1.6;
}

/* プロセスセクション */
.process {
    background-color: #f8fafc;
}

.process-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin: 3rem 0;
}

.step {
    flex: 1;
    min-width: 150px;
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.6s ease-out;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.step p {
    color: #64748b;
    font-size: 0.9rem;
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
}

.process-note {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    margin-top: 2rem;
    color: #64748b;
}

/* お客様の声セクション */
.testimonials {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.6s ease-out;
    transition: all 0.3s ease;
}

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

.testimonial-content {
    margin-bottom: 1.5rem;
    color: #64748b;
    font-style: italic;
    line-height: 1.8;
}

.testimonial-content p {
    margin: 0;
}

.testimonial-author {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.testimonial-author p {
    margin: 0.3rem 0;
    color: var(--text-dark);
}

.testimonial-author strong {
    color: var(--primary-color);
}

.testimonial-date {
    font-size: 0.85rem;
    color: #94a3b8;
}

/* Q&Aセクション */
.faq {
    background-color: #f8fafc;
}

.faq-container {
    max-width: 800px;
    margin: 3rem auto;
}

.faq-item {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.6s ease-out;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-lg);
}

.faq-question {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    cursor: pointer;
}

.faq-answer {
    color: #64748b;
    line-height: 1.8;
    margin: 0;
}

/* クロージングセクション */
.closing {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    text-align: center;
    padding: 4rem 2rem;
}

.closing h2 {
    color: var(--text-light);
    -webkit-text-fill-color: unset;
    background: none;
    font-size: 2.5rem;
}

.closing-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.closing-cta {
    margin: 2rem 0;
}

.closing-note {
    margin-top: 1.5rem;
    opacity: 0.8;
    font-size: 0.95rem;
}

/* フッター */
.footer {
    background-color: var(--dark-bg);
    color: var(--text-light);
    padding: 3rem 2rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.footer-section p {
    color: #cbd5e1;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    text-align: center;
    color: #94a3b8;
}

/* 要件リスト */
.requirements-list {
    list-style: none;
    text-align: left;
    color: #64748b;
}

.requirements-list li {
    padding: 0.5rem 0;
    margin: 0.5rem 0;
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    section {
        padding: 2rem 1rem;
    }

    section h2 {
        font-size: 1.8rem;
    }

    .products-grid,
    .usp-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .nav-logo {
        font-size: 1.2rem;
    }

    .faq-container {
        padding: 0;
    }

    .closing h2 {
        font-size: 1.8rem;
    }

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

    .footer-section ul {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-button,
    .cta-button-large {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
    }

    section h2 {
        font-size: 1.5rem;
    }

    .product-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .product-level {
        margin-top: 0.5rem;
    }

    .nav-logo span {
        display: none;
    }

    .hero-problems {
        text-align: center;
    }

    .closing h2 {
        font-size: 1.5rem;
    }
}