.brief h1 { max-width: 19ch; font-size: clamp(2rem, 4vw, 3.5rem); text-wrap: balance; }
@media (max-width: 600px) {
  .brief h1 { max-width: 15ch; font-size: clamp(2rem, 8.4vw, 3rem); line-height: 1.08; }
}