/* Google reCAPTCHA バッジを完全に非表示にするための包括的な対策 */
.grecaptcha-badge, 
.grecaptcha-badge *,
iframe[src*="recaptcha"], 
iframe[src*="google.com/recaptcha"],
iframe[title*="recaptcha"],
iframe[name*="recaptcha"], 
iframe[title="reCAPTCHA"],
iframe[style*="position: fixed; z-index: 2000000000;"],
div[style*="z-index: 2147483647"],
div[style*="z-index: 2000000000"],
div[class*="g-recaptcha"],
div[id^="rc-"],
div[id^="grecaptcha-"],
div[style*="width: 256px; height: 60px; position: fixed;"],
.grecaptcha-logo, 
.recaptcha-checkbox,
.recaptcha-checkbox-border,
[class*="g-recaptcha"],
.g-recaptcha {
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
  z-index: -9999 !important;
  display: none !important;
  width: 0 !important;
  height: 0 !important;
  position: absolute !important;
  top: -9999px !important;
  left: -9999px !important;
  border: none !important;
  margin: 0 !important;
  padding: 0 !important;
  transform: scale(0) !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  max-width: 0 !important;
  max-height: 0 !important;
}