*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #1f2933;
    background: #ffffff;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    padding: 24px 16px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: center;
}

.header-logo img {
    height: 60px;
    width: auto;
    display: block;
}

.content {
    flex: 1 0 auto;
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
    padding: 40px 24px 80px;
    text-align: center;
}

.illustration {
    margin: 0 auto 24px;
    width: 180px;
    height: 180px;
}

.illustration svg {
    display: block;
    width: 100%;
    height: 100%;
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    margin: 0 0 16px;
    color: #d4202c;
}

.lead {
    font-size: 1.125rem;
    margin: 0 0 12px;
    color: #334155;
}

.note {
    font-size: 0.9rem;
    color: #64748b;
    margin: 0;
}

@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    .lead { font-size: 1rem; }
    .illustration { width: 140px; height: 140px; }
    .content { padding: 24px 16px 48px; }
}