diff --git a/src/features/product/repositories/product.repository.spec.ts b/src/features/product/repositories/product.repository.spec.ts
index 89d29aa3..32d00e8f 100644
--- a/src/features/product/repositories/product.repository.spec.ts
+++ b/src/features/product/repositories/product.repository.spec.ts
@@ -235,18 +235,18 @@ describe('ProductRepository (real DB)', () => {
     });
   });
 
-  describe('findProductById (active만)', () => {
-    it('is_active: false면 반환 안함', async () => {
+  describe('findProductByIdIncludingInactive', () => {
+    it('inactive 상품도 반환', async () => {
       const store = await createStore(prisma);
       const inactive = await createProduct(prisma, {
         store_id: store.id,
         is_active: false,
       });
-      const result = await repo.findProductById({
+      const result = await repo.findProductByIdIncludingInactive({
         productId: inactive.id,
         storeId: store.id,
       });
-      expect(result).toBeNull();
+      expect(result?.id).toBe(inactive.id);
     });
 
     it('store_id 불일치면 null', async () => {
@@ -254,7 +254,7 @@ describe('ProductRepository (real DB)', () => {
       const storeB = await createStore(prisma);
       const product = await createProduct(prisma, { store_id: storeA.id });
 
-      const result = await repo.findProductById({
+      const result = await repo.findProductByIdIncludingInactive({
         productId: product.id,
         storeId: storeB.id,
       });
@@ -303,7 +303,7 @@ describe('ProductRepository (real DB)', () => {
         data: { deleted_at: new Date() },
       });
 
-      const result = await repo.findProductById({
+      const result = await repo.findProductByIdIncludingInactive({
         productId: product.id,
         storeId: store.id,
       });
@@ -314,21 +314,6 @@ describe('ProductRepository (real DB)', () => {
     });
   });
 
-  describe('findProductByIdIncludingInactive', () => {
-    it('inactive 상품도 반환', async () => {
-      const store = await createStore(prisma);
-      const inactive = await createProduct(prisma, {
-        store_id: store.id,
-        is_active: false,
-      });
-      const result = await repo.findProductByIdIncludingInactive({
-        productId: inactive.id,
-        storeId: store.id,
-      });
-      expect(result?.id).toBe(inactive.id);
-    });
-  });
-
   describe('createProduct / updateProduct / softDeleteProduct', () => {
     it('createProduct는 store_id를 결합하여 생성', async () => {
       const store = await createStore(prisma);
diff --git a/src/features/product/repositories/product.repository.ts b/src/features/product/repositories/product.repository.ts
index 89ad152f..24da236a 100644
--- a/src/features/product/repositories/product.repository.ts
+++ b/src/features/product/repositories/product.repository.ts
@@ -264,55 +264,6 @@ export class ProductRepository {
     return Boolean(found);
   }
 
-  async findProductById(args: { productId: bigint; storeId: bigint }) {
-    return this.prisma.product.findFirst({
-      where: {
-        id: args.productId,
-        store_id: args.storeId,
-        is_active: true,
-      },
-      // soft-delete extension은 root만 patch하므로 nested relation에 가드를 명시한다
-      include: {
-        images: {
-          where: activeWhere,
-          orderBy: { sort_order: 'asc' },
-        },
-        product_categories: {
-          // 링크·대상 카테고리의 soft-delete 가드. is_active는 셀러 화면에서
-          // 기존 지정을 계속 보여줘야 하므로 걸지 않는다.
-          where: { ...activeWhere, category: activeWhere },
-          include: {
-            category: true,
-          },
-        },
-        product_tags: {
-          where: { ...activeWhere, tag: activeWhere },
-          include: {
-            tag: true,
-          },
-        },
-        option_groups: {
-          where: activeWhere,
-          orderBy: { sort_order: 'asc' },
-          include: {
-            option_items: {
-              where: activeWhere,
-              orderBy: { sort_order: 'asc' },
-            },
-          },
-        },
-        custom_template: {
-          include: {
-            text_tokens: {
-              where: activeWhere,
-              orderBy: { sort_order: 'asc' },
-            },
-          },
-        },
-      },
-    });
-  }
-
   async findProductByIdIncludingInactive(args: {
     productId: bigint;
     storeId: bigint;
diff --git a/src/features/product/services/product-seller-query.service.spec.ts b/src/features/product/services/product-seller-query.service.spec.ts
index a7ebc615..45c0a4fb 100644
--- a/src/features/product/services/product-seller-query.service.spec.ts
+++ b/src/features/product/services/product-seller-query.service.spec.ts
@@ -175,6 +175,27 @@ describe('SellerProductQueryService (real DB)', () => {
       expect(result.images).toHaveLength(1);
     });
 
+    it('soft-delete된 상품이면 404', async () => {
+      const { account, store } = await setupSellerWithStore(prisma);
+      const deleted = await createSellerProduct(store.id, {
+        deleted_at: new Date(),
+      });
+
+      await expect(
+        service.sellerProduct(account.id, deleted.id),
+      ).rejects.toThrowDomain('PRODUCT_NOT_FOUND');
+    });
+
+    it('숨김(is_active=false) 본인 상품도 상세를 반환한다', async () => {
+      const { account, store } = await setupSellerWithStore(prisma);
+      const hidden = await createSellerProduct(store.id, { is_active: false });
+
+      const result = await service.sellerProduct(account.id, hidden.id);
+
+      expect(result.id).toBe(hidden.id.toString());
+      expect(result.isActive).toBe(false);
+    });
+
     it('soft-delete된 이미지·옵션 그룹·옵션 아이템은 상세에서 제외한다', async () => {
       const { account, store } = await setupSellerWithStore(prisma);
       const product = await createSellerProduct(store.id);
diff --git a/src/features/product/services/product-seller-query.service.ts b/src/features/product/services/product-seller-query.service.ts
index 2d76889e..34216c31 100644
--- a/src/features/product/services/product-seller-query.service.ts
+++ b/src/features/product/services/product-seller-query.service.ts
@@ -70,7 +70,8 @@ export class SellerProductQueryService extends SellerBaseService {
     productId: bigint,
   ): Promise<SellerProductOutput> {
     const ctx = await this.requireSellerContext(accountId);
-    const row = await this.productRepository.findProductById({
+    // 목록이 숨김 상품도 보여주므로 상세도 is_active와 무관하게 연다
+    const row = await this.productRepository.findProductByIdIncludingInactive({
       productId,
       storeId: ctx.storeId,
     });