/* ランディングページ専用スタイル */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

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

/* ヘッダー */
.landing-header {
    text-align: center;
    padding: 60px 20px;
    color: white;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.logo-icon {
    font-size: 3rem;
}

.landing-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-top: 10px;
}

/* メインコンテンツ */
.landing-main {
    padding: 20px 0;
}

.apps-section {
    margin-bottom: 40px;
}

.apps-section h2 {
    text-align: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 30px;
}

/* アプリカード */
.app-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.app-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

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

.app-card.coming-soon {
    opacity: 0.7;
}

.app-icon {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 20px;
}

.app-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.app-badge {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.coming-soon-badge {
    background: linear-gradient(135deg, #ff9a56 0%, #ff6a88 100%);
}

.app-description {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.app-features {
    list-style: none;
    margin: 20px 0;
    padding: 0;
}

.app-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #555;
    font-size: 0.95rem;
}

.app-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* ボタン */
.btn {
    display: block;
    width: 100%;
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    margin-top: 20px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-disabled {
    background: #ddd;
    color: #999;
    cursor: not-allowed;
}

/* 情報セクション */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.info-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.info-card p {
    color: #666;
    line-height: 1.6;
}

.tech-stack {
    list-style: none;
    padding: 0;
}

.tech-stack li {
    padding: 8px 0;
    color: #555;
}

.tech-stack strong {
    color: #667eea;
}

.link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-top: 10px;
}

.link:hover {
    text-decoration: underline;
}

/* フッター */
.landing-footer {
    text-align: center;
    padding: 40px 20px;
    color: white;
    margin-top: 60px;
}

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

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .landing-header h1 {
        font-size: 2rem;
    }

    .logo-icon {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .apps-section h2 {
        font-size: 1.5rem;
    }

    .app-cards {
        grid-template-columns: 1fr;
    }

    .info-section {
        grid-template-columns: 1fr;
    }

    .app-icon {
        font-size: 3rem;
    }
}