diff --git a/app/Http/Controllers/RegularContractCreateController.php b/app/Http/Controllers/RegularContractCreateController.php
index 64edca5..c269d6a 100644
--- a/app/Http/Controllers/RegularContractCreateController.php
+++ b/app/Http/Controllers/RegularContractCreateController.php
@@ -82,21 +82,16 @@ class RegularContractCreateController extends Controller
         // 並び替えパラメータ取得
         $sort = request()->input('sort', 'park_id');
         $order = request()->input('order', 'asc');
-        \Log::info('sort param: ' . $sort);
         $sortable = [
             'park_ruby' => 'park.park_ruby',
             'city_id' => 'city.city_id',
             'station_name_ruby' => 'station.station_name_ruby',
             'park_id' => 'park.park_id',
         ];
-        if (isset($sortable[$sort])) {
-            $query->orderBy($sortable[$sort], $order);
-        } else {
-            $query->orderBy('park.park_id', 'asc');
-        }
+        $query->orderBy('park.park_id', 'asc');
 
         $total = $query->count();
-        $parks_table = $query->skip(($page - 1) * $perPage)->take($perPage)->get();
+        $parks_table = $query->get();
 
         if ($sort === 'park_ruby' || $sort === 'station_name_ruby') {
             $collator = new \Collator('ja_JP');
@@ -107,7 +102,15 @@ class RegularContractCreateController extends Controller
                     ? $collator->compare($a_val, $b_val)
                     : $collator->compare($b_val, $a_val);
             })->values();
+        } else {
+            // park_id, city_idなどはSQLのorderByで十分なので、ここでPHPソートは不要
+            if (isset($sortable[$sort])) {
+                $parks_table = $parks_table->sortBy($sort, SORT_REGULAR, $order === 'desc')->values();
+            }
         }
+        $page = request()->input('page', 1);
+        $perPage = 10;
+        $parks_table = $parks_table->slice(($page - 1) * $perPage, $perPage)->values();
 
         // zoneテーブルデータを取得（psectionテーブルとJOINしてpsection_subjectも取得）
         $zones = DB::table('zone')
@@ -140,7 +143,7 @@ class RegularContractCreateController extends Controller
         }
 
         return view('regular_contract.create', [
-            'active_menu' => $active_menu, // 画面ID
+            'active_menu' => $active_menu, // この画面のID
             'user_name' => $user ? $user->user_name : '', // ユーザー名（ヘッダー用）
             'cities' => $cities,
             'stations' => $stations,