diff --git a/app/Http/Controllers/Api/V1/AuditChecklistController.php b/app/Http/Controllers/Api/V1/AuditChecklistController.php
new file mode 100644
index 0000000..4fb26d7
--- /dev/null
+++ b/app/Http/Controllers/Api/V1/AuditChecklistController.php
@@ -0,0 +1,112 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Helpers\ApiResponse;
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Qms\AuditChecklistStoreRequest;
+use App\Http\Requests\Qms\AuditChecklistUpdateRequest;
+use App\Services\AuditChecklistService;
+use Illuminate\Http\Request;
+
+class AuditChecklistController extends Controller
+{
+    public function __construct(private AuditChecklistService $service) {}
+
+    /**
+     * 점검표 목록
+     */
+    public function index(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->index($request->all());
+        }, __('message.fetched'));
+    }
+
+    /**
+     * 점검표 생성 (카테고리+항목 일괄)
+     */
+    public function store(AuditChecklistStoreRequest $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->store($request->validated());
+        }, __('message.created'));
+    }
+
+    /**
+     * 점검표 상세
+     */
+    public function show(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->show($id);
+        }, __('message.fetched'));
+    }
+
+    /**
+     * 점검표 수정
+     */
+    public function update(AuditChecklistUpdateRequest $request, int $id)
+    {
+        return ApiResponse::handle(function () use ($request, $id) {
+            return $this->service->update($id, $request->validated());
+        }, __('message.updated'));
+    }
+
+    /**
+     * 점검표 완료 처리
+     */
+    public function complete(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->complete($id);
+        }, __('message.updated'));
+    }
+
+    /**
+     * 항목 완료/미완료 토글
+     */
+    public function toggleItem(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->toggleItem($id);
+        }, __('message.updated'));
+    }
+
+    /**
+     * 항목별 기준 문서 조회
+     */
+    public function itemDocuments(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->itemDocuments($id);
+        }, __('message.fetched'));
+    }
+
+    /**
+     * 기준 문서 연결
+     */
+    public function attachDocument(Request $request, int $id)
+    {
+        return ApiResponse::handle(function () use ($request, $id) {
+            return $this->service->attachDocument($id, $request->validate([
+                'title' => 'required|string|max:200',
+                'version' => 'nullable|string|max:20',
+                'date' => 'nullable|date',
+                'document_id' => 'nullable|integer|exists:documents,id',
+            ]));
+        }, __('message.created'));
+    }
+
+    /**
+     * 기준 문서 연결 해제
+     */
+    public function detachDocument(int $id, int $docId)
+    {
+        return ApiResponse::handle(function () use ($id, $docId) {
+            $this->service->detachDocument($id, $docId);
+
+            return null;
+        }, __('message.deleted'));
+    }
+}
diff --git a/app/Http/Requests/Qms/AuditChecklistStoreRequest.php b/app/Http/Requests/Qms/AuditChecklistStoreRequest.php
new file mode 100644
index 0000000..7d3e64c
--- /dev/null
+++ b/app/Http/Requests/Qms/AuditChecklistStoreRequest.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Http\Requests\Qms;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class AuditChecklistStoreRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'year' => 'required|integer|min:2020|max:2100',
+            'quarter' => 'required|integer|in:1,2,3,4',
+            'type' => 'nullable|string|max:30',
+            'categories' => 'required|array|min:1',
+            'categories.*.title' => 'required|string|max:200',
+            'categories.*.sort_order' => 'nullable|integer|min:0',
+            'categories.*.items' => 'required|array|min:1',
+            'categories.*.items.*.name' => 'required|string|max:200',
+            'categories.*.items.*.description' => 'nullable|string',
+            'categories.*.items.*.sort_order' => 'nullable|integer|min:0',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'categories.required' => __('validation.required', ['attribute' => '카테고리']),
+            'categories.*.title.required' => __('validation.required', ['attribute' => '카테고리 제목']),
+            'categories.*.items.required' => __('validation.required', ['attribute' => '점검 항목']),
+            'categories.*.items.*.name.required' => __('validation.required', ['attribute' => '항목명']),
+        ];
+    }
+}
diff --git a/app/Http/Requests/Qms/AuditChecklistUpdateRequest.php b/app/Http/Requests/Qms/AuditChecklistUpdateRequest.php
new file mode 100644
index 0000000..f68811c
--- /dev/null
+++ b/app/Http/Requests/Qms/AuditChecklistUpdateRequest.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Requests\Qms;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class AuditChecklistUpdateRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'categories' => 'sometimes|array|min:1',
+            'categories.*.id' => 'nullable|integer|exists:audit_checklist_categories,id',
+            'categories.*.title' => 'required|string|max:200',
+            'categories.*.sort_order' => 'nullable|integer|min:0',
+            'categories.*.items' => 'required|array|min:1',
+            'categories.*.items.*.id' => 'nullable|integer|exists:audit_checklist_items,id',
+            'categories.*.items.*.name' => 'required|string|max:200',
+            'categories.*.items.*.description' => 'nullable|string',
+            'categories.*.items.*.sort_order' => 'nullable|integer|min:0',
+        ];
+    }
+}
diff --git a/app/Models/Qualitys/AuditChecklist.php b/app/Models/Qualitys/AuditChecklist.php
new file mode 100644
index 0000000..af878d5
--- /dev/null
+++ b/app/Models/Qualitys/AuditChecklist.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Models\Qualitys;
+
+use App\Models\Traits\Auditable;
+use App\Models\Traits\BelongsToTenant;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class AuditChecklist extends Model
+{
+    use Auditable, BelongsToTenant, SoftDeletes;
+
+    protected $table = 'audit_checklists';
+
+    const STATUS_DRAFT = 'draft';
+
+    const STATUS_IN_PROGRESS = 'in_progress';
+
+    const STATUS_COMPLETED = 'completed';
+
+    const TYPE_STANDARD_MANUAL = 'standard_manual';
+
+    protected $fillable = [
+        'tenant_id',
+        'year',
+        'quarter',
+        'type',
+        'status',
+        'options',
+        'created_by',
+        'updated_by',
+        'deleted_by',
+    ];
+
+    protected $casts = [
+        'year' => 'integer',
+        'quarter' => 'integer',
+        'options' => 'array',
+    ];
+
+    public function categories(): HasMany
+    {
+        return $this->hasMany(AuditChecklistCategory::class, 'checklist_id')->orderBy('sort_order');
+    }
+
+    public function isDraft(): bool
+    {
+        return $this->status === self::STATUS_DRAFT;
+    }
+
+    public function isCompleted(): bool
+    {
+        return $this->status === self::STATUS_COMPLETED;
+    }
+}
diff --git a/app/Models/Qualitys/AuditChecklistCategory.php b/app/Models/Qualitys/AuditChecklistCategory.php
new file mode 100644
index 0000000..d0f9a76
--- /dev/null
+++ b/app/Models/Qualitys/AuditChecklistCategory.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Models\Qualitys;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class AuditChecklistCategory extends Model
+{
+    protected $table = 'audit_checklist_categories';
+
+    protected $fillable = [
+        'tenant_id',
+        'checklist_id',
+        'title',
+        'sort_order',
+        'options',
+    ];
+
+    protected $casts = [
+        'sort_order' => 'integer',
+        'options' => 'array',
+    ];
+
+    public function checklist(): BelongsTo
+    {
+        return $this->belongsTo(AuditChecklist::class, 'checklist_id');
+    }
+
+    public function items(): HasMany
+    {
+        return $this->hasMany(AuditChecklistItem::class, 'category_id')->orderBy('sort_order');
+    }
+}
diff --git a/app/Models/Qualitys/AuditChecklistItem.php b/app/Models/Qualitys/AuditChecklistItem.php
new file mode 100644
index 0000000..b94b7bd
--- /dev/null
+++ b/app/Models/Qualitys/AuditChecklistItem.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Models\Qualitys;
+
+use App\Models\User;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class AuditChecklistItem extends Model
+{
+    protected $table = 'audit_checklist_items';
+
+    protected $fillable = [
+        'tenant_id',
+        'category_id',
+        'name',
+        'description',
+        'is_completed',
+        'completed_at',
+        'completed_by',
+        'sort_order',
+        'options',
+    ];
+
+    protected $casts = [
+        'is_completed' => 'boolean',
+        'completed_at' => 'datetime',
+        'sort_order' => 'integer',
+        'options' => 'array',
+    ];
+
+    public function category(): BelongsTo
+    {
+        return $this->belongsTo(AuditChecklistCategory::class, 'category_id');
+    }
+
+    public function completedByUser(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'completed_by');
+    }
+
+    public function standardDocuments(): HasMany
+    {
+        return $this->hasMany(AuditStandardDocument::class, 'checklist_item_id');
+    }
+}
diff --git a/app/Models/Qualitys/AuditStandardDocument.php b/app/Models/Qualitys/AuditStandardDocument.php
new file mode 100644
index 0000000..3dcd63c
--- /dev/null
+++ b/app/Models/Qualitys/AuditStandardDocument.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Models\Qualitys;
+
+use App\Models\Documents\Document;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class AuditStandardDocument extends Model
+{
+    protected $table = 'audit_standard_documents';
+
+    protected $fillable = [
+        'tenant_id',
+        'checklist_item_id',
+        'title',
+        'version',
+        'date',
+        'document_id',
+        'options',
+    ];
+
+    protected $casts = [
+        'date' => 'date',
+        'options' => 'array',
+    ];
+
+    public function checklistItem(): BelongsTo
+    {
+        return $this->belongsTo(AuditChecklistItem::class, 'checklist_item_id');
+    }
+
+    public function document(): BelongsTo
+    {
+        return $this->belongsTo(Document::class);
+    }
+}
diff --git a/app/Services/AuditChecklistService.php b/app/Services/AuditChecklistService.php
new file mode 100644
index 0000000..2c3f48e
--- /dev/null
+++ b/app/Services/AuditChecklistService.php
@@ -0,0 +1,392 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\Qualitys\AuditChecklist;
+use App\Models\Qualitys\AuditChecklistCategory;
+use App\Models\Qualitys\AuditChecklistItem;
+use App\Models\Qualitys\AuditStandardDocument;
+use Illuminate\Support\Facades\DB;
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
+
+class AuditChecklistService extends Service
+{
+    /**
+     * 점검표 목록 (year, quarter 필터)
+     */
+    public function index(array $params): array
+    {
+        $query = AuditChecklist::with(['categories.items']);
+
+        if (! empty($params['year'])) {
+            $query->where('year', (int) $params['year']);
+        }
+        if (! empty($params['quarter'])) {
+            $query->where('quarter', (int) $params['quarter']);
+        }
+        if (! empty($params['type'])) {
+            $query->where('type', $params['type']);
+        }
+
+        $query->orderByDesc('year')->orderByDesc('quarter');
+        $perPage = (int) ($params['per_page'] ?? 20);
+        $paginated = $query->paginate($perPage);
+
+        $items = $paginated->getCollection()->map(fn ($checklist) => $this->transformListItem($checklist));
+
+        return [
+            'items' => $items,
+            'current_page' => $paginated->currentPage(),
+            'last_page' => $paginated->lastPage(),
+            'per_page' => $paginated->perPage(),
+            'total' => $paginated->total(),
+        ];
+    }
+
+    /**
+     * 점검표 생성 (카테고리+항목 일괄)
+     */
+    public function store(array $data): array
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        // 중복 체크
+        $exists = AuditChecklist::where('year', $data['year'])
+            ->where('quarter', $data['quarter'])
+            ->where('type', $data['type'] ?? AuditChecklist::TYPE_STANDARD_MANUAL)
+            ->exists();
+
+        if ($exists) {
+            throw new BadRequestHttpException(__('error.duplicate', ['attribute' => '해당 분기 점검표']));
+        }
+
+        return DB::transaction(function () use ($data, $tenantId, $userId) {
+            $checklist = AuditChecklist::create([
+                'tenant_id' => $tenantId,
+                'year' => $data['year'],
+                'quarter' => $data['quarter'],
+                'type' => $data['type'] ?? AuditChecklist::TYPE_STANDARD_MANUAL,
+                'status' => AuditChecklist::STATUS_DRAFT,
+                'created_by' => $userId,
+                'updated_by' => $userId,
+            ]);
+
+            $this->syncCategories($checklist, $data['categories'], $tenantId);
+
+            return $this->show($checklist->id);
+        });
+    }
+
+    /**
+     * 점검표 상세 (카테고리→항목→문서 중첩)
+     */
+    public function show(int $id): array
+    {
+        $checklist = AuditChecklist::with([
+            'categories.items.standardDocuments.document',
+        ])->findOrFail($id);
+
+        return $this->transformDetail($checklist);
+    }
+
+    /**
+     * 점검표 수정
+     */
+    public function update(int $id, array $data): array
+    {
+        $tenantId = $this->tenantId();
+
+        $checklist = AuditChecklist::findOrFail($id);
+
+        if ($checklist->isCompleted()) {
+            throw new BadRequestHttpException('완료된 점검표는 수정할 수 없습니다.');
+        }
+
+        return DB::transaction(function () use ($checklist, $data, $tenantId) {
+            $checklist->update([
+                'updated_by' => $this->apiUserId(),
+            ]);
+
+            if (isset($data['categories'])) {
+                $this->syncCategories($checklist, $data['categories'], $tenantId);
+            }
+
+            return $this->show($checklist->id);
+        });
+    }
+
+    /**
+     * 점검표 완료 처리
+     */
+    public function complete(int $id): array
+    {
+        $checklist = AuditChecklist::with('categories.items')->findOrFail($id);
+
+        // 미완료 항목 확인
+        $totalItems = 0;
+        $completedItems = 0;
+        foreach ($checklist->categories as $category) {
+            foreach ($category->items as $item) {
+                $totalItems++;
+                if ($item->is_completed) {
+                    $completedItems++;
+                }
+            }
+        }
+
+        if ($completedItems < $totalItems) {
+            throw new BadRequestHttpException("미완료 항목이 있습니다. ({$completedItems}/{$totalItems})");
+        }
+
+        $checklist->update([
+            'status' => AuditChecklist::STATUS_COMPLETED,
+            'updated_by' => $this->apiUserId(),
+        ]);
+
+        return $this->show($checklist->id);
+    }
+
+    /**
+     * 항목 완료/미완료 토글
+     */
+    public function toggleItem(int $itemId): array
+    {
+        $item = AuditChecklistItem::findOrFail($itemId);
+        $userId = $this->apiUserId();
+
+        DB::transaction(function () use ($item, $userId) {
+            $item->lockForUpdate();
+
+            $newCompleted = ! $item->is_completed;
+            $item->update([
+                'is_completed' => $newCompleted,
+                'completed_at' => $newCompleted ? now() : null,
+                'completed_by' => $newCompleted ? $userId : null,
+            ]);
+
+            // 점검표 상태 자동 업데이트: draft → in_progress
+            $category = $item->category;
+            $checklist = $category->checklist;
+            if ($checklist->isDraft()) {
+                $checklist->update([
+                    'status' => AuditChecklist::STATUS_IN_PROGRESS,
+                    'updated_by' => $userId,
+                ]);
+            }
+        });
+
+        $item->refresh();
+
+        return [
+            'id' => (string) $item->id,
+            'name' => $item->name,
+            'is_completed' => $item->is_completed,
+            'completed_at' => $item->completed_at?->toIso8601String(),
+        ];
+    }
+
+    /**
+     * 항목별 기준 문서 조회
+     */
+    public function itemDocuments(int $itemId): array
+    {
+        $item = AuditChecklistItem::findOrFail($itemId);
+
+        return $item->standardDocuments()->with('document')->get()
+            ->map(fn ($doc) => $this->transformStandardDocument($doc))
+            ->all();
+    }
+
+    /**
+     * 기준 문서 연결
+     */
+    public function attachDocument(int $itemId, array $data): array
+    {
+        $item = AuditChecklistItem::findOrFail($itemId);
+        $tenantId = $this->tenantId();
+
+        $doc = AuditStandardDocument::create([
+            'tenant_id' => $tenantId,
+            'checklist_item_id' => $item->id,
+            'title' => $data['title'],
+            'version' => $data['version'] ?? null,
+            'date' => $data['date'] ?? null,
+            'document_id' => $data['document_id'] ?? null,
+        ]);
+
+        $doc->load('document');
+
+        return $this->transformStandardDocument($doc);
+    }
+
+    /**
+     * 기준 문서 연결 해제
+     */
+    public function detachDocument(int $itemId, int $docId): void
+    {
+        $doc = AuditStandardDocument::where('checklist_item_id', $itemId)
+            ->where('id', $docId)
+            ->firstOrFail();
+
+        $doc->delete();
+    }
+
+    // ===== Private: Sync & Transform =====
+
+    private function syncCategories(AuditChecklist $checklist, array $categoriesData, int $tenantId): void
+    {
+        // 기존 카테고리 ID 추적 (삭제 감지용)
+        $existingCategoryIds = $checklist->categories()->pluck('id')->all();
+        $keptCategoryIds = [];
+
+        foreach ($categoriesData as $catIdx => $catData) {
+            if (! empty($catData['id'])) {
+                // 기존 카테고리 업데이트
+                $category = AuditChecklistCategory::findOrFail($catData['id']);
+                $category->update([
+                    'title' => $catData['title'],
+                    'sort_order' => $catData['sort_order'] ?? $catIdx,
+                ]);
+                $keptCategoryIds[] = $category->id;
+            } else {
+                // 새 카테고리 생성
+                $category = AuditChecklistCategory::create([
+                    'tenant_id' => $tenantId,
+                    'checklist_id' => $checklist->id,
+                    'title' => $catData['title'],
+                    'sort_order' => $catData['sort_order'] ?? $catIdx,
+                ]);
+                $keptCategoryIds[] = $category->id;
+            }
+
+            // 하위 항목 동기화
+            $this->syncItems($category, $catData['items'] ?? [], $tenantId);
+        }
+
+        // 삭제된 카테고리 제거 (cascade로 items도 삭제)
+        $deletedIds = array_diff($existingCategoryIds, $keptCategoryIds);
+        if (! empty($deletedIds)) {
+            AuditChecklistCategory::whereIn('id', $deletedIds)->delete();
+        }
+    }
+
+    private function syncItems(AuditChecklistCategory $category, array $itemsData, int $tenantId): void
+    {
+        $existingItemIds = $category->items()->pluck('id')->all();
+        $keptItemIds = [];
+
+        foreach ($itemsData as $itemIdx => $itemData) {
+            if (! empty($itemData['id'])) {
+                $item = AuditChecklistItem::findOrFail($itemData['id']);
+                $item->update([
+                    'name' => $itemData['name'],
+                    'description' => $itemData['description'] ?? null,
+                    'sort_order' => $itemData['sort_order'] ?? $itemIdx,
+                ]);
+                $keptItemIds[] = $item->id;
+            } else {
+                $item = AuditChecklistItem::create([
+                    'tenant_id' => $tenantId,
+                    'category_id' => $category->id,
+                    'name' => $itemData['name'],
+                    'description' => $itemData['description'] ?? null,
+                    'sort_order' => $itemData['sort_order'] ?? $itemIdx,
+                ]);
+                $keptItemIds[] = $item->id;
+            }
+        }
+
+        $deletedIds = array_diff($existingItemIds, $keptItemIds);
+        if (! empty($deletedIds)) {
+            AuditChecklistItem::whereIn('id', $deletedIds)->delete();
+        }
+    }
+
+    private function transformListItem(AuditChecklist $checklist): array
+    {
+        $total = 0;
+        $completed = 0;
+        foreach ($checklist->categories as $category) {
+            foreach ($category->items as $item) {
+                $total++;
+                if ($item->is_completed) {
+                    $completed++;
+                }
+            }
+        }
+
+        return [
+            'id' => (string) $checklist->id,
+            'year' => $checklist->year,
+            'quarter' => $checklist->quarter,
+            'type' => $checklist->type,
+            'status' => $checklist->status,
+            'progress' => [
+                'completed' => $completed,
+                'total' => $total,
+            ],
+        ];
+    }
+
+    private function transformDetail(AuditChecklist $checklist): array
+    {
+        $total = 0;
+        $completed = 0;
+
+        $categories = $checklist->categories->map(function ($category) use (&$total, &$completed) {
+            $subItems = $category->items->map(function ($item) use (&$total, &$completed) {
+                $total++;
+                if ($item->is_completed) {
+                    $completed++;
+                }
+
+                return [
+                    'id' => (string) $item->id,
+                    'name' => $item->name,
+                    'description' => $item->description,
+                    'is_completed' => $item->is_completed,
+                    'completed_at' => $item->completed_at?->toIso8601String(),
+                    'sort_order' => $item->sort_order,
+                    'standard_documents' => $item->standardDocuments->map(
+                        fn ($doc) => $this->transformStandardDocument($doc)
+                    )->all(),
+                ];
+            })->all();
+
+            return [
+                'id' => (string) $category->id,
+                'title' => $category->title,
+                'sort_order' => $category->sort_order,
+                'sub_items' => $subItems,
+            ];
+        })->all();
+
+        return [
+            'id' => (string) $checklist->id,
+            'year' => $checklist->year,
+            'quarter' => $checklist->quarter,
+            'type' => $checklist->type,
+            'status' => $checklist->status,
+            'progress' => [
+                'completed' => $completed,
+                'total' => $total,
+            ],
+            'categories' => $categories,
+        ];
+    }
+
+    private function transformStandardDocument(AuditStandardDocument $doc): array
+    {
+        $file = $doc->document;
+
+        return [
+            'id' => (string) $doc->id,
+            'title' => $doc->title,
+            'version' => $doc->version ?? '-',
+            'date' => $doc->date?->toDateString() ?? '',
+            'file_name' => $file?->original_name ?? null,
+            'file_url' => $file ? "/api/v1/documents/{$file->id}/download" : null,
+        ];
+    }
+}
diff --git a/database/migrations/2026_03_10_110000_create_audit_checklists_tables.php b/database/migrations/2026_03_10_110000_create_audit_checklists_tables.php
new file mode 100644
index 0000000..1c9e332
--- /dev/null
+++ b/database/migrations/2026_03_10_110000_create_audit_checklists_tables.php
@@ -0,0 +1,90 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        // 1) 심사 점검표 마스터
+        Schema::create('audit_checklists', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('tenant_id')->comment('테넌트ID');
+            $table->smallInteger('year')->unsigned()->comment('연도');
+            $table->tinyInteger('quarter')->unsigned()->comment('분기 1~4');
+            $table->string('type', 30)->default('standard_manual')->comment('심사유형');
+            $table->string('status', 20)->default('draft')->comment('draft/in_progress/completed');
+            $table->json('options')->nullable()->comment('추가 설정');
+            $table->unsignedBigInteger('created_by')->nullable()->comment('생성자');
+            $table->unsignedBigInteger('updated_by')->nullable()->comment('수정자');
+            $table->unsignedBigInteger('deleted_by')->nullable()->comment('삭제자');
+            $table->timestamps();
+            $table->softDeletes();
+
+            $table->unique(['tenant_id', 'year', 'quarter', 'type'], 'uq_audit_checklists_tenant_period');
+            $table->index(['tenant_id', 'status'], 'idx_audit_checklists_status');
+            $table->foreign('tenant_id')->references('id')->on('tenants');
+        });
+
+        // 2) 점검표 카테고리
+        Schema::create('audit_checklist_categories', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('tenant_id')->comment('테넌트ID');
+            $table->unsignedBigInteger('checklist_id')->comment('점검표ID');
+            $table->string('title', 200)->comment('카테고리명');
+            $table->unsignedInteger('sort_order')->default(0)->comment('정렬순서');
+            $table->json('options')->nullable();
+            $table->timestamps();
+
+            $table->index(['checklist_id', 'sort_order'], 'idx_audit_categories_sort');
+            $table->foreign('checklist_id')->references('id')->on('audit_checklists')->onDelete('cascade');
+        });
+
+        // 3) 점검표 세부 항목
+        Schema::create('audit_checklist_items', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('tenant_id')->comment('테넌트ID');
+            $table->unsignedBigInteger('category_id')->comment('카테고리ID');
+            $table->string('name', 200)->comment('항목명');
+            $table->text('description')->nullable()->comment('항목 설명');
+            $table->boolean('is_completed')->default(false)->comment('완료여부');
+            $table->timestamp('completed_at')->nullable()->comment('완료일시');
+            $table->unsignedBigInteger('completed_by')->nullable()->comment('완료처리자');
+            $table->unsignedInteger('sort_order')->default(0)->comment('정렬순서');
+            $table->json('options')->nullable();
+            $table->timestamps();
+
+            $table->index(['category_id', 'sort_order'], 'idx_audit_items_sort');
+            $table->index(['category_id', 'is_completed'], 'idx_audit_items_completed');
+            $table->foreign('category_id')->references('id')->on('audit_checklist_categories')->onDelete('cascade');
+            $table->foreign('completed_by')->references('id')->on('users')->onDelete('set null');
+        });
+
+        // 4) 기준 문서 연결
+        Schema::create('audit_standard_documents', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('tenant_id')->comment('테넌트ID');
+            $table->unsignedBigInteger('checklist_item_id')->comment('점검항목ID');
+            $table->string('title', 200)->comment('문서명');
+            $table->string('version', 20)->nullable()->comment('버전');
+            $table->date('date')->nullable()->comment('시행일');
+            $table->unsignedBigInteger('document_id')->nullable()->comment('EAV 파일 FK');
+            $table->json('options')->nullable();
+            $table->timestamps();
+
+            $table->index('checklist_item_id', 'idx_audit_std_docs_item');
+            $table->foreign('checklist_item_id')->references('id')->on('audit_checklist_items')->onDelete('cascade');
+            $table->foreign('document_id')->references('id')->on('documents')->onDelete('set null');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('audit_standard_documents');
+        Schema::dropIfExists('audit_checklist_items');
+        Schema::dropIfExists('audit_checklist_categories');
+        Schema::dropIfExists('audit_checklists');
+    }
+};
diff --git a/routes/api/v1/quality.php b/routes/api/v1/quality.php
index 8100eb7..5edb7ca 100644
--- a/routes/api/v1/quality.php
+++ b/routes/api/v1/quality.php
@@ -7,6 +7,7 @@
  * - 실적신고
  */
 
+use App\Http\Controllers\Api\V1\AuditChecklistController;
 use App\Http\Controllers\Api\V1\PerformanceReportController;
 use App\Http\Controllers\Api\V1\QmsLotAuditController;
 use App\Http\Controllers\Api\V1\QualityDocumentController;
@@ -48,3 +49,16 @@
     Route::get('/documents/{type}/{id}', [QmsLotAuditController::class, 'documentDetail'])->whereNumber('id')->name('v1.qms.lot-audit.documents.detail');
     Route::patch('/units/{id}/confirm', [QmsLotAuditController::class, 'confirm'])->whereNumber('id')->name('v1.qms.lot-audit.units.confirm');
 });
+
+// QMS 기준/매뉴얼 심사 (1일차)
+Route::prefix('qms')->group(function () {
+    Route::get('/checklists', [AuditChecklistController::class, 'index'])->name('v1.qms.checklists.index');
+    Route::post('/checklists', [AuditChecklistController::class, 'store'])->name('v1.qms.checklists.store');
+    Route::get('/checklists/{id}', [AuditChecklistController::class, 'show'])->whereNumber('id')->name('v1.qms.checklists.show');
+    Route::put('/checklists/{id}', [AuditChecklistController::class, 'update'])->whereNumber('id')->name('v1.qms.checklists.update');
+    Route::patch('/checklists/{id}/complete', [AuditChecklistController::class, 'complete'])->whereNumber('id')->name('v1.qms.checklists.complete');
+    Route::patch('/checklist-items/{id}/toggle', [AuditChecklistController::class, 'toggleItem'])->whereNumber('id')->name('v1.qms.checklist-items.toggle');
+    Route::get('/checklist-items/{id}/documents', [AuditChecklistController::class, 'itemDocuments'])->whereNumber('id')->name('v1.qms.checklist-items.documents');
+    Route::post('/checklist-items/{id}/documents', [AuditChecklistController::class, 'attachDocument'])->whereNumber('id')->name('v1.qms.checklist-items.documents.attach');
+    Route::delete('/checklist-items/{id}/documents/{docId}', [AuditChecklistController::class, 'detachDocument'])->whereNumber('id')->whereNumber('docId')->name('v1.qms.checklist-items.documents.detach');
+});