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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #ffffff;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    padding: 80px 0 60px;
    border-bottom: 1px solid #e5e5e5;
}

.header-content {
    text-align: center;
}

h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: 32px;
}

.contact {
    display: flex;
    justify-content: center;
    gap: 32px;
    font-size: 14px;
    color: #666;
}

main {
    padding: 80px 0;
}

.section-title {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 48px;
    text-align: center;
    letter-spacing: -0.02em;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.card {
    background: #fafafa;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 32px;
    transition: all 0.2s ease;
}

.card:hover {
    border-color: #d0d0d0;
    background: #f5f5f5;
}

.card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.card ul {
    list-style: none;
}

.card li {
    padding: 6px 0;
    color: #4a4a4a;
    position: relative;
    padding-left: 20px;
}

.card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #1a1a1a;
    font-weight: bold;
}

footer {
    border-top: 1px solid #e5e5e5;
    padding: 40px 0;
    text-align: center;
    color: #666;
    font-size: 14px;
}

@media (max-width: 768px) {
    h1 {
        font-size: 36px;
    }

    .contact {
        flex-direction: column;
        gap: 16px;
    }

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

    .container {
        padding: 0 20px;
    }
}