/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS変数 */
:root {
    --primary-color: #6B46C1;
    --primary-dark: #553C9A;
    --primary-light: #9F7AEA;
    --secondary-color: #48BB78;
    --text-color: #2D3748;
    --text-light: #718096;
    --bg-light: #F7FAFC;
    --white: #FFFFFF;
    --border-color: #E2E8F0;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-lg: 16px;
}

/* 基本スタイル */
body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ヘッダー */
.header {
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 1.5rem 0;
}

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

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.navbar-brand i {
    font-size: 1.8rem;
}

.navbar-logo {
    height: 50px;
    width: auto;
    display: block;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.navbar-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar-link:hover {
    color: var(--primary-color);
}

/* ヘッダーCTAボタン */
.navbar-cta {
    display: inline-block;
    background: var(--primary-color) !important;
    color: var(--white) !important;
    padding: 8px 20px !important;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: 2px solid var(--primary-color);
    margin-left: 20px;
}

.navbar-cta:hover {
    background: var(--primary-dark) !important;
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(107, 70, 193, 0.3);
}

/* ヒーローセクション */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.text-primary {
    color: #FFD700;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.hero-video {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: contain;
    background: #f8f9fa;
}

/* ボタン */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

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

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* 特徴セクション */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon i {
    font-size: 2rem;
    color: var(--white);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.feature-description {
    color: var(--text-light);
    margin-bottom: 20px;
}

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

.feature-list li {
    padding: 8px 0;
    color: var(--text-light);
}

.feature-list i {
    color: var(--secondary-color);
    margin-right: 8px;
}

/* 導入メリット */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.benefit-item {
    display: flex;
    gap: 24px;
}

.benefit-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.benefit-content {
    flex: 1;
}

.benefit-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.benefit-description {
    color: var(--text-light);
    line-height: 1.8;
}

/* 料金プラン */
.pricing {
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    position: relative;
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--white);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

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

.currency {
    font-size: 1.5rem;
    color: var(--text-light);
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.period {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-description {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 30px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
    flex-grow: 1;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-features i {
    color: var(--secondary-color);
    margin-right: 8px;
}

/* 価格カード内のボタン */
.pricing-card .btn {
    margin-top: auto;
}

.pricing-card .btn-outline {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.pricing-card .btn-outline:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

/* CTA */
.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-description {
    font-size: 1.25rem;
    margin-bottom: 32px;
    opacity: 0.9;
}

/* 始め方ガイド */
.getting-started {
    background: var(--bg-light);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.step-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.step-number span {
    font-size: 0.75rem;
    font-weight: 500;
}

.step-number strong {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.step-content {
    margin-top: 40px;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.step-description {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

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

.step-list li {
    padding: 8px 0;
    color: var(--text-light);
}

.step-list i {
    color: var(--secondary-color);
    margin-right: 8px;
}

/* トライアル情報 */
.trial-info {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 40px;
    text-align: center;
}

.trial-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.trial-title i {
    margin-right: 12px;
}

.trial-benefits {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 30px;
}

.trial-benefit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.trial-benefit i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.trial-benefit span {
    font-weight: 600;
    font-size: 0.875rem;
}

.trial-note {
    color: var(--text-light);
    line-height: 1.8;
}

/* Customize Link */
.customize-link {
    color: var(--primary-color);
    text-decoration: underline;
    font-weight: 600;
    transition: color 0.3s;
}

.customize-link:hover {
    color: var(--primary-dark);
}

/* CTA登録 */
.cta-register {
    text-align: center;
}

.cta-register .btn {
    margin-bottom: 16px;
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.cta-register .btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(107, 70, 193, 0.3);
}

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

/* お問い合わせ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 30px;
}

.contact-item h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--text-light);
}

.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

textarea.form-control {
    resize: vertical;
}

/* フッター */
.footer {
    background: var(--text-color);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-brand img {
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-copyright {
    opacity: 0.6;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-image {
        display: none;
    }
    
    .features-grid,
    .pricing-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .trial-benefits {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .step-number {
        position: static;
        margin: 0 auto 20px;
    }
    
    .step-content {
        margin-top: 0;
    }
}