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

/* 基本設定 */
body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* ヘッダー */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0;
}

.nav-subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 300;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    opacity: 0.8;
}

/* メインビジュアル */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: white;
    color: #667eea;
    border-color: white;
}

.btn-primary:hover {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
}

/* スマートフォンモックアップ */
.phone-mockup {
    width: 300px;
    height: 600px;
    background: #1a1a1a;
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    margin: 0 auto;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.phone-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    display: block;
}

.app-preview {
    padding: 20px;
    height: 100%;
}

.app-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    margin-bottom: 20px;
}

.chart-placeholder {
    height: 200px;
    background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
    border-radius: 10px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.chart-placeholder::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.stat-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
}

/* セクション共通 */
.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
}

/* 機能セクション */
.features {
    padding: 80px 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-image {
    width: 100%;
    height: 200px;
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    background: #f0f0f0;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    display: block;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-image img {
    transform: scale(1.05);
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.feature-description {
    color: #666;
    line-height: 1.6;
}

/* 料金セクション */
.pricing {
    padding: 80px 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

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

.pricing-card.featured {
    border-color: #667eea;
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 30px;
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
}

.pricing-price span {
    font-size: 1rem;
    color: #666;
}

.pricing-features {
    list-style: none;
    text-align: left;
}

.pricing-features li {
    padding: 8px 0;
    color: #666;
}

/* 会社概要セクション */
.about {
    padding: 80px 0;
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.about-text p {
    margin-bottom: 25px;
    color: #666;
    line-height: 1.6;
}

.about-text ul {
    list-style: none;
    padding-left: 0;
}

.about-text li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.about-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stat-item {
    text-align: center;
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 10px;
}

.stat-label {
    color: #666;
    font-weight: 500;
}

/* お問い合わせセクション */
.contact {
    padding: 80px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
}

.contact-info p {
    margin-bottom: 30px;
    color: #666;
    line-height: 1.6;
}

.contact-details {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
}

.contact-item {
    margin-bottom: 20px;
    color: #666;
}

.contact-item strong {
    color: #333;
    display: block;
    margin-bottom: 5px;
}

.contact-item a {
    color: #667eea;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* フォーム */
.contact-form {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* フッター */
.footer {
    background: #333;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.footer-logo p {
    opacity: 0.8;
    color: #ccc;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-section li {
    margin-bottom: 10px;
}

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

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

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 20px;
    text-align: center;
    color: #ccc;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .feature-image {
        height: 150px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .feature-card,
    .pricing-card {
        padding: 30px 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .feature-image {
        height: 120px;
    }
}

/* ヒーロー部の補助テキスト */
.hero-kicker {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 15px;
    opacity: 0.9;
}

.hero-description strong {
    font-weight: 700;
}

.hero-list {
    list-style: none;
    margin: 20px 0 25px;
    padding-left: 0;
}

.hero-list li {
    font-size: 0.95rem;
    margin-bottom: 8px;
    opacity: 0.95;
}

.app-store-badge {
    height: 56px;
    display: block;
}

.hero-note {
    font-size: 0.8rem;
    opacity: 0.9;
    margin-top: 10px;
}

/* 料金セクションの注意書き */
.pricing-note {
    margin-top: 30px;
    text-align: center;
    font-size: 0.9rem;
    color: #666;
}

/* 年額プランバッジ */
.pricing-badge-year {
    background: #ff8f38;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 999px;
    position: absolute;
    top: -12px;
    right: -12px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
}

/* スマホ対応調整 */
@media (max-width: 768px) {
    .hero-kicker {
        text-align: center;
    }

    .hero-list {
        text-align: left;
        margin-left: 10px;
        margin-right: 10px;
    }

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