브랜드 확장

<div class="extension"><div class="extension-row"><strong>CORE</strong><span id="extension-new">ADJACENT OFFER</span></div><label>FARTHER FROM CORE <input id="extension-range" type="range" min="0" max="100" value="25"></label><div class="extension-metrics"><div>PERCEIVED FIT<i><b id="extension-fit"></b></i></div><div>CONFUSION RISK<i><b id="extension-risk"></b></i></div></div><small>ILLUSTRATIVE RELATIONSHIP</small></div>

.extension{width:min(90%,460px);font:800 clamp(10px,2vmin,14px)/1.2 sans-serif}.extension-row{display:flex;align-items:center;gap:7px}.extension-row>*{flex:1;padding:clamp(8px,2vmin,16px);text-align:center;border:2px solid var(--accent)}.extension-row strong{background:var(--accent);color:white}.extension-row span{background:var(--surface)}.extension label{display:block;margin:clamp(9px,3vmin,20px) 0;color:var(--muted)}.extension input{display:block;width:100%;margin:7px 0;accent-color:var(--accent)}.extension-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px}.extension-metrics>div{min-width:0}.extension-metrics i{display:block;height:clamp(10px,2vmin,17px);margin-top:5px;background:var(--line)}.extension-metrics b{display:block;height:100%;background:var(--accent);transition:width .2s}.extension small{display:block;margin-top:8px;color:var(--muted);font-size:clamp(10px,1.7vmin,12px)}@media(min-width:700px){body>div{transform:scale(1.8)}}

const slider=document.querySelector('#extension-range');let touched=false,value=25;function show(){slider.value=value;document.querySelector('#extension-new').textContent=value<50?'ADJACENT OFFER':'DISTANT CATEGORY';document.querySelector('#extension-fit').style.width=(100-value)+'%';document.querySelector('#extension-risk').style.width=value+'%'}slider.oninput=()=>{touched=true;value=Number(slider.value);show()};show();setInterval(()=>{if(!touched){value=value<50?75:25;show()}},1400);