:root{--color-background:#fff;--color-text:#1a1c20;--color-muted:#5b616b;--color-accent:#1f4fd8}*{box-sizing:border-box}body{background:var(--color-background);color:var(--color-text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Malgun Gothic,Segoe UI,Roboto,sans-serif;line-height:1.6}.page{max-width:720px;margin:0 auto;padding:48px 16px}.page h1{margin:0 0 16px;font-size:2rem;line-height:1.3}.page p{color:var(--color-muted);margin:0}.phone{color:var(--color-accent);font-size:1.25rem;font-weight:700;display:inline-block}