.heading-line{padding-bottom:.3em;position:relative}.heading-line:after{content:"";background:linear-gradient(90deg, transparent, var(--color-line), transparent);height:1px;position:absolute;inset:auto 0 0;scale:0 1}.heading-line--in:after{scale:1}@media (prefers-reduced-motion:no-preference){.heading-line:after{transition:scale 1.2s var(--ease) .3s}}