<!DOCTYPE html> <html lang="ja"> <head> <title>心のタイマー</title> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> </head> <body> <h1 style="text-align: center;">心のタイマーと電子タイマーでJAAST TIME!!!</h1> <form action="path/to/your_cgi_script.rb" method="post"> <label for="timer">タイマー値:</label> <input type="text" id="timer" name="timer" required> <input type="submit" value="送信"> </form> </body> </html>