diff --git a/app/Models/RegularContract.php b/app/Models/RegularContract.php
index 44d0fc5..1c3f96c 100644
--- a/app/Models/RegularContract.php
+++ b/app/Models/RegularContract.php
@@ -4,18 +4,10 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
 
-/**
- * 定期契約モデル - regular_contractテーブル（正式モデル）
- * 旧UsingStatusContractの責務を置き換え
- */
 class RegularContract extends Model
 {
     protected $table = 'regular_contract';
     protected $primaryKey = 'contract_id';
-    public $timestamps = true;
-
-    public const CREATED_AT = 'created_at';
-    public const UPDATED_AT = 'updated_at';
 
     protected $fillable = [
         'contract_qr_id',
@@ -33,8 +25,6 @@ class RegularContract extends Model
         'contract_reduction',
         'contract_periods',
         'contract_periode',
-        'enable_months',
-        'printable_date',
         'contract_taxid',
         'billing_amount',
         'contract_payment_day',
@@ -49,10 +39,8 @@ class RegularContract extends Model
         'settlement_transaction_id',
         'contract_seal_issue',
         'seal_reissue_request',
-        'update_flag',
         'contract_permission',
         'contract_cancel_flag',
-        '800m_flag',
         'tag_qr_flag',
         'tag_change_flag',
         'park_position',
@@ -60,17 +48,61 @@ class RegularContract extends Model
         'contract_manual',
         'contract_notice',
         'contract_payment_number',
+        'created_at',
+        'updated_at'
     ];
 
-    /**
-     * 料金設定
-     */
-    public function price()
+    public static function search($inputs)
     {
-        return $this->belongsTo(PriceA::class, 'price_parkplaceid', 'price_parkplaceid');
+        $list = self::query();
+        // Sort
+        if ($inputs['sort']) {
+            $list->orderBy($inputs['sort'], $inputs['sort_type']);
+        }
+        if ($inputs['isExport']){
+            $list = $list->get();
+        }else{
+            $list = $list->paginate(\App\Utils::item_per_page); // Utilsクラスの定数を使用
+        }
+        return $list;
     }
-}
-
 
+    public static function getByPk($pk)
+    {
+        return self::find($pk);
+    }
+    
+    public static function deleteByPk($arr)
+    {
+        return self::whereIn('contract_id', $arr)->delete();
+    }
+    
+    //TODO 定期契約ID not found in database specs
 
+   //TODO 解約/契約不可フラグ not found in database specs
+    public function userName()
+    {
+        return $this->belongsTo(\App\Models\User::class,'user_id','user_seq')->first();
+    }
+    public function getUserType()
+    {
+        return $this->belongsTo(\App\Models\Usertype::class,'user_categoryid','user_categoryid')->first();
+    }
+    public function getPark()
+    {
+        return $this->belongsTo(\App\Models\Park::class,'park_id','park_id')->first();
+    }
+    public function getPrice()
+    {
+        return $this->belongsTo(\App\Models\Price::class,'price_parkplaceid','price_parkplaceid')->first();
+    }
+//    public function getSettlement()
+//    {
+//        return $this->belongsTo(SettlementTransaction::class,'settlement_transaction_id','settlement_transaction_id')->first();
+//    }
 
+    public function getOpe()
+    {
+        return $this->belongsTo(\App\Models\Ope::class,'ope_id','ope_id')->first();
+    }
+}
\ No newline at end of file