[data-file-drop]{position:relative}
.file-drop-active{outline:3px dashed #587c81;outline-offset:-4px}
.file-drop-active::after{content:'ここにファイルをドロップ';position:absolute;inset:8px;z-index:35;display:grid;place-items:center;border-radius:8px;background:#f5faf2ed;color:#375a51;pointer-events:none;font-weight:700}