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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    padding: 40px 0;
    background: linear-gradient(135deg, #81d4fa 0%, #4fc3f7 100%);
    color: white;
    border-radius: 10px;
    margin-bottom: 40px;
}

.app-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: block;
    border-radius: 16px;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.tagline {
    font-size: 1rem;
    opacity: 0.9;
}

main {
    flex: 1;
}

.intro {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.intro p {
    font-size: 1.1rem;
    color: #555;
}

h2 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.features {
    margin-bottom: 40px;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.feature-item {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.feature-item h3 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.feature-item p {
    color: #666;
    font-size: 0.95rem;
}

.coming-soon {
    text-align: center;
    margin: 40px 0;
}

.notice {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.notice h2 {
    color: #2d3436;
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.notice p {
    color: #2d3436;
    font-size: 1.1rem;
    font-weight: 500;
}

footer {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 8px;
    margin-top: auto;
}

footer p {
    color: #666;
    margin: 5px 0;
    font-size: 14px;
}

.legal-links {
    margin-top: 10px;
}

.legal-links a {
    color: #666;
    text-decoration: none;
}

.legal-links a:hover {
    color: #333;
    text-decoration: underline;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .app-icon {
        width: 60px;
        height: 60px;
        border-radius: 12px;
    }
}