:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --accent-color: #2563eb;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.container {
    max-width: 800px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    animation: fadeIn 1.5s ease-out;
}

.logo {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.slogan {
    font-size: 1.5rem;
    font-weight: 300;
    color: #4a4a4a;
    line-height: 1.5;
}

.brand-meaning {
    font-size: 1.1rem;
    font-weight: 300;
    color: #888;
    margin-top: 1rem;
    letter-spacing: 0.05em;
}

.contact-link {
    display: inline-block;
    font-size: 1.1rem;
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid #ddd;
    padding-bottom: 2px;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
    .logo {
        font-size: 2.5rem;
    }
    .slogan {
        font-size: 1.2rem;
    }
    .brand-meaning {
        font-size: 0.9rem;
    }
}