Index: /branches/version-2_5-dev/data/class/pages/frontparts/bloc/LC_Page_FrontParts_Bloc_Cart.php
===================================================================
--- /branches/version-2_5-dev/data/class/pages/frontparts/bloc/LC_Page_FrontParts_Bloc_Cart.php	(revision 19815)
+++ /branches/version-2_5-dev/data/class/pages/frontparts/bloc/LC_Page_FrontParts_Bloc_Cart.php	(revision 20007)
@@ -94,12 +94,10 @@
         $arrCartList[0]['ProductsTotal'] = $ProductsTotal;
         $arrCartList[0]['TotalQuantity'] = $TotalQuantity;
-        /*
-         * FIXME
-         * 商品種別ごとに送料無料までの金額を計算するよう要修正
-         */
+
         $deliv_free = $arrInfo['free_rule'] - $ProductsTotal;
         $arrCartList[0]['free_rule'] = $arrInfo['free_rule'];
         $arrCartList[0]['deliv_free'] = $deliv_free;
 
+        $this->isMultiple = $objCart->isMultiple();
         $this->arrCartList = $arrCartList;
     }
Index: /branches/version-2_5-dev/data/class/SC_CartSession.php
===================================================================
--- /branches/version-2_5-dev/data/class/SC_CartSession.php	(revision 19928)
+++ /branches/version-2_5-dev/data/class/SC_CartSession.php	(revision 20007)
@@ -587,4 +587,8 @@
         return $_SESSION['cartKey'];
     }
+
+    function isMultiple() {
+        return count($this->getKeys()) > 1;
+    }
 }
 ?>
Index: /branches/version-2_5-dev/data/Smarty/templates/default/frontparts/bloc/cart.tpl
===================================================================
--- /branches/version-2_5-dev/data/Smarty/templates/default/frontparts/bloc/cart.tpl	(revision 19983)
+++ /branches/version-2_5-dev/data/Smarty/templates/default/frontparts/bloc/cart.tpl	(revision 20007)
@@ -26,6 +26,9 @@
         <p class="item">商品数：<!--{$arrCartList.0.TotalQuantity|number_format|default:0}-->点</p>
         <p>合計：<span class="price"><!--{$arrCartList.0.ProductsTotal|number_format|default:0}-->円</span><br />
-            <!--{* カゴの中に商品がある場合にのみ表示 *}-->
-            <!--{if $arrCartList.0.TotalQuantity > 0 and $arrCartList.0.free_rule > 0}-->
+            <!--{*************************************
+                  カゴの中に商品がある場合にのみ表示
+                  複数の商品種別が存在する場合は非表示
+                 *************************************}-->
+            <!--{if $arrCartList.0.TotalQuantity > 0 and $arrCartList.0.free_rule > 0 and !$isMultiple}-->
                 <!--{if $arrCartList.0.deliv_free > 0}-->
                     送料手数料無料まであと<!--{$arrCartList.0.deliv_free|number_format|default:0}-->円（税込）です。