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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #fafafa;
    color: #333;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    line-height: 1.6;
}

main {
    text-align: center;
    max-width: 600px;
}

h1 {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    color: #222;
}

h1 span {
    color: #999;
}

.intro {
    font-size: 1.5rem;
    color: #555;
    text-align: justify;
    margin-bottom: 1.5rem;
}

.intro strong {
    color: #222;
    font-weight: 500;
}