<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Redirecting</title>
    <!-- Google tag (gtag.js) -->
    <script async src="https://www.googletagmanager.com/gtag/js?id=G-PGN7ZDNMV1"></script>
    <script>
      window.dataLayer = window.dataLayer || [];
      function gtag(){dataLayer.push(arguments);}
      gtag('js', new Date());
    
      gtag('config', 'G-PGN7ZDNMV1');
    </script>
    

</head>
<body>
    <script>
        function readTextFile(file, callback) {
            var rawFile = new XMLHttpRequest();
            rawFile.overrideMimeType("application/json");
            rawFile.open("GET", file, true);
            rawFile.onreadystatechange = function() {
                if (rawFile.readyState === 4 && rawFile.status == "200") {
                    callback(rawFile.responseText);
                }
            }
            rawFile.send(null);
        }

        readTextFile("/ko-url.txt", function(text){
            var urls = text.split("\n");
            var randomUrl = urls[Math.floor(Math.random() * urls.length)];
            setTimeout(function() {
                window.location.href = randomUrl;
            }, 200); // 0.2秒延迟
        });
    </script>
</body>
</html>
