diff --git a/css/default.css b/css/default.css
index 240c04076..6f335d9af 100644
--- a/css/default.css
+++ b/css/default.css
@@ -283,4 +283,11 @@ a.btn_admin:focus, a.btn_admin:hover {text-decoration:none}
 
 /*메일인증*/
 .rg_em{margin-top:5px}
-.rg_em caption{padding:0;font-size:0;line-height:0;overflow:hidden}
+
+.rg_em caption{padding:0;font-size:0;line-height:0;overflow:hidden}
+
+/*캡챠 모바일에서 피시버젼*/
+#captcha.m_captcha audio{display:block;margin:5px 0 10px;}
+#captcha.m_captcha #captcha_key{margin-left:3px }
+#captcha.m_captcha #captcha_reload span{background:none;display:inline}
+#captcha.m_captcha  #captcha_reload {position:relative ;width:auto;top:0;left:0;margin:0;padding:0 10px;height:43px;border:0;background:#e4eaec;vertical-align:middle;overflow:hidden;cursor:pointer}
\ No newline at end of file
diff --git a/plugin/kcaptcha/kcaptcha.lib.php b/plugin/kcaptcha/kcaptcha.lib.php
index 511d0352d..fddea6294 100644
--- a/plugin/kcaptcha/kcaptcha.lib.php
+++ b/plugin/kcaptcha/kcaptcha.lib.php
@@ -235,6 +235,9 @@ class KCAPTCHA{
 // 캡챠 HTML 코드 출력
 function captcha_html($class="captcha")
 {
+    if(is_mobile())
+        $class .= ' m_captcha';
+
     $html .= "\n".'<script>var g5_captcha_url  = "'.G5_CAPTCHA_URL.'";</script>';
     //$html .= "\n".'<script>var g5_captcha_path = "'.G5_CAPTCHA_PATH.'";</script>';
     $html .= "\n".'<script src="'.G5_CAPTCHA_URL.'/kcaptcha.js"></script>';
diff --git a/theme/basic/css/default.css b/theme/basic/css/default.css
index 1bbab49dc..9b1f58887 100644
--- a/theme/basic/css/default.css
+++ b/theme/basic/css/default.css
@@ -279,4 +279,10 @@ a.btn_admin:focus, a.btn_admin:hover {text-decoration:none}
 .pg_current {display:inline-block;margin:0 4px 0 0;background:#333;color:#fff;font-weight:normal}
 
 /* Mobile화면으로 */
-#device_change {display:block;margin:0.3em;padding:0.5em 0;border:1px solid #eee;border-radius:2em;background:#fff;color:#000;font-size:2em;text-decoration:none;text-align:center}
\ No newline at end of file
+#device_change {display:block;margin:0.3em;padding:0.5em 0;border:1px solid #eee;border-radius:2em;background:#fff;color:#000;font-size:2em;text-decoration:none;text-align:center}
+
+/*캡챠 모바일에서 피시버젼*/
+#captcha.m_captcha audio{display:block;margin:5px 0 10px}
+#captcha.m_captcha #captcha_key{margin-left:3px }
+#captcha.m_captcha #captcha_reload span{background:none;display:inline}
+#captcha.m_captcha  #captcha_reload {position:relative ;width:auto;top:0;left:0;margin:0;padding:0 10px;height:43px;border:0;background:#e4eaec;vertical-align:middle;overflow:hidden;cursor:pointer}