:root { color-scheme: light; font-family: system-ui, sans-serif; color: #182620; background: #f4f7f5; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
.app-header { min-height: 56px; display: flex; align-items: center; padding: 0 24px; background: #244c3d; }
.brand { color: white; font-size: 1.25rem; font-weight: 700; text-decoration: none; }
.page { max-width: 1120px; margin: 0 auto; padding: 24px; }
.notice { padding: 12px 16px; border-left: 4px solid #527b69; background: white; }