app/Http/Controllers/RegularContractCreateController.php

@@ -97,18 +97,6 @@ class RegularContractCreateController extends Controller
         $total = $query->count();
         $parks_table = $query->skip(($page - 1) * $perPage)->take($perPage)->get();
 
-        if ($sort === 'park_ruby' || $sort === 'station_name_ruby') {
-            setlocale(LC_COLLATE, 'ja_JP.UTF-8');
-            $parks_table = $parks_table->sort(function ($a, $b) use ($order, $sort) {
-                // null対策
-                $a_val = $a->$sort ?? '';
-                $b_val = $b->$sort ?? '';
-                return $order === 'asc'
-                    ? strcoll($a_val, $b_val)
-                    : strcoll($b_val, $a_val);
-            })->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')
             ->leftJoin('psection', 'zone.psection_id', '=', 'psection.psection_id')