// 最初は送信ボタンを無効化 document.addEventListener('DOMContentLoaded', function() { const submitBtn = document.querySelector('.submit'); if (submitBtn) { submitBtn.disabled = true; submitBtn.style.opacity = '0.5'; submitBtn.style.cursor = 'not-allowed'; } });

// reCAPTCHA完了時に送信ボタンを有効化 function enableSubmitButton() { const submitBtn = document.querySelector('.submit'); if (submitBtn) { submitBtn.disabled = false; submitBtn.style.opacity = '1'; submitBtn.style.cursor = 'pointer'; } }

// reCAPTCHAがリセットされた時に再度無効化 function disableSubmitButton() { const submitBtn = document.querySelector('.submit'); if (submitBtn) { submitBtn.disabled = true; submitBtn.style.opacity = '0.5'; submitBtn.style.cursor = 'not-allowed'; } }