h1{font-size:clamp(27px, calc(27px + (28) * ((100vw - 320px) / (1680))), 55px)}h2{font-size:clamp(25px, calc(25px + (15) * ((100vw - 320px) / (1680))), 40px)}h3{font-size:clamp(20px, calc(20px + (5) * ((100vw - 320px) / (1680))), 25px)}h4{font-size:clamp(13px, calc(13px + (7) * ((100vw - 320px) / (1680))), 20px)}body{font-size:clamp(14px, calc(14px + (2) * ((100vw - 320px) / (1680))), 16px)}