Index: branches/version-2_12-dev/data/class/pages/products/LC_Page_Products_List.php
===================================================================
--- branches/version-2_12-dev/data/class/pages/products/LC_Page_Products_List.php	(revision 21935)
+++ branches/version-2_12-dev/data/class/pages/products/LC_Page_Products_List.php	(revision 21945)
@@ -126,5 +126,6 @@
         // モバイルの場合に検索条件をURLの引数に追加
         if (SC_Display_Ex::detectDevice() === DEVICE_TYPE_MOBILE) {
-            $urlParam .= "&mode={$this->mode}&name=" . urlencode($this->arrSearchData['name']) . "&orderby={$this->orderby}";
+            $searchNameUrl = urlencode(mb_convert_encoding($this->arrSearchData['name'], 'SJIS', 'UTF-8'));
+            $urlParam .= "&mode={$this->mode}&name={$searchNameUrl}&orderby={$this->orderby}";
         }
         $this->objNavi      = new SC_PageNavi_Ex($this->tpl_pageno, $this->tpl_linemax, $this->disp_number, 'fnNaviPage', NAVI_PMAX, $urlParam, SC_Display_Ex::detectDevice() !== DEVICE_TYPE_MOBILE);