.underline_sp{position:relative;display:inline;font-weight:700;z-index:1}.underline_sp::after{content:"";position:absolute;left:-0.08em;right:-0.08em;bottom:0.08em;height:0.62em;background:linear-gradient(90deg,rgba(240,181,71,0.7),rgba(240,181,71,0.5));border-radius:0.25em;z-index:-1;transform:rotate(-1deg)}