// server.js (Node + Express の簡易例)
const express = require('express');
const fetch = require('node-fetch');
const app = express();
const API_KEY = process.env.YT_API_KEY;

app.get('/api/search', async (req, res) => {
  const q = encodeURIComponent(req.query.q || '');
  const url = `https://www.googleapis.com/youtube/v3/search?part=snippet&type=video&maxResults=10&q=${q}&key=${API_KEY}`;
  const r = await fetch(url);
  const data = await r.json();
  const items = (data.items || []).map(i => ({
    id: i.id.videoId,
    title: i.snippet.title,
    thumb: i.snippet.thumbnails.medium.url
  }));
  res.json({ items });
});

app.listen(3000);


<script defer data-domain="html.cafe" src="https://milkymouse.com/js/script.js"></script>