Index: /branches/version-2/html/install/sql/insert_data.sql
===================================================================
--- /branches/version-2/html/install/sql/insert_data.sql	(revision 17143)
+++ /branches/version-2/html/install/sql/insert_data.sql	(revision 17145)
@@ -803,4 +803,5 @@
 INSERT INTO mtb_constants VALUES ('CREDIT_HTTP_ANALYZE_URL','CREDIT_HTTP_DOMAIN . CREDIT_HTTP_ANALYZE_PROGRAM',38,'決済受信用URL');
 INSERT INTO mtb_constants VALUES ('CHAR_CODE','"UTF-8"',39,'文字コード');
+INSERT INTO mtb_constants VALUES ('LOCALE','"ja_JP.UTF-8"',40,'ロケール設定');
 INSERT INTO mtb_constants VALUES ('ECCUBE_PAYMENT','"EC-CUBE"',41,'決済モジュール付与文言');
 INSERT INTO mtb_constants VALUES ('PEAR_DB_DEBUG','9',42,'PEAR::DBのデバッグモード');
Index: /branches/version-2/data/class/SC_Initial.php
===================================================================
--- /branches/version-2/data/class/SC_Initial.php	(revision 17059)
+++ /branches/version-2/data/class/SC_Initial.php	(revision 17145)
@@ -119,4 +119,6 @@
         ini_set("mbstring.detect_order", "auto");
         ini_set("mbstring.substitute_character", "none");
+        //ロケールを明示的に設定
+        setlocale(LC_ALL, LOCALE);
     }
 
Index: /branches/version-2/data/mtb_constants_init.php
===================================================================
--- /branches/version-2/data/mtb_constants_init.php	(revision 17118)
+++ /branches/version-2/data/mtb_constants_init.php	(revision 17145)
@@ -68,4 +68,6 @@
 /** 文字コード */
 define('CHAR_CODE', "UTF-8");
+/** ロケール設定 */
+define('LOCALE', "ja_JP.UTF-8");
 /** 決済モジュール付与文言 */
 define('ECCUBE_PAYMENT', "EC-CUBE");