Update custom event name

components/page-menu.js

@@ -45,7 +45,7 @@ export class PageMenu extends HTMLElement {
     this.shadowRoot.appendChild(btn)
     btn.addEventListener('click', () => {
       this.dispatchEvent(new CustomEvent(
-        'close', {bubbles: true}
+        'close-menu', {bubbles: true}
       ))
       handler()
     })