สร้าง Favicon

            
<!-- ブラウザのUIカラーをOS設定に合わせる -->
<meta name="theme-color" content="#ffffff" media="(prefers-color-scheme: light)">
<meta name="theme-color" content="#000000" media="(prefers-color-scheme: dark)">

<!-- Favicon設定 -->
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
<link rel="manifest" href="/site.webmanifest">
<link rel="shortcut icon" href="/favicon.ico">
<meta name="msapplication-TileColor" content="#ffffff">