<script src="https://code.jquery.com/jquery-3.7.1.min.js"
integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo="
crossorigin="anonymous"></script>
<script>
$(function() {
const nameCard = $("div[data-tistory-react-app='Namecard']");
nameCard.css({
"display": "none",
});
});
</script>
</head> 위에 추가