diff --git a/resources/views/business/pages/financial-operations/labor-expenses.blade.php b/resources/views/business/pages/financial-operations/labor-expenses.blade.php
index f3762dc7..7f10951e 100644
--- a/resources/views/business/pages/financial-operations/labor-expenses.blade.php
+++ b/resources/views/business/pages/financial-operations/labor-expenses.blade.php
@@ -887,6 +887,11 @@
                 return moneyFormatter.format(value);
             };
 
+            const amountInputText = (value) => {
+                const number = Number(value);
+                return Number.isFinite(number) ? number.toFixed(2) : String(value);
+            };
+
             const headerKeys = () => {
                 const headerRow = table.tHead?.rows?.[table.tHead.rows.length - 1];
                 return [...(headerRow?.cells || [])]
@@ -996,7 +1001,7 @@
                 input.setAttribute('aria-label', `${field.label}，第 ${index + 1} 行`);
                 if (field.kind === 'number') {
                     input.type = 'number';
-                    input.step = 'any';
+                    input.step = '0.01';
                     input.inputMode = 'decimal';
                     input.classList.remove('labor-expense-input--text');
                     input.classList.add('labor-expense-input--number');
@@ -1004,8 +1009,10 @@
                 }
                 const storedValue = rows[index]?.[field.key];
                 if (storedValue !== '' && storedValue !== null && storedValue !== undefined) {
-                    input.value = String(storedValue);
-                    cell.dataset.exportValue = String(storedValue);
+                    input.value = field.kind === 'number' ? amountInputText(storedValue) : String(storedValue);
+                    cell.dataset.exportValue = field.kind === 'number' && Number.isFinite(Number(storedValue))
+                        ? moneyFormatter.format(Number(storedValue))
+                        : String(storedValue);
                 }
                 cell.appendChild(input);
                 return cell;
@@ -1160,6 +1167,26 @@
                 markDirty();
             });
 
+            tbody.addEventListener('change', (event) => {
+                const input = event.target.closest('[data-labor-field]');
+                if (!input) return;
+                const field = fieldMap[input.dataset.laborField];
+                if (field?.kind !== 'number') return;
+                const parsed = Number(input.value);
+                if (input.value.trim() === '' || !Number.isFinite(parsed)) return;
+
+                const rowElement = input.closest('tr[data-labor-row]');
+                const index = Number(rowElement?.dataset.laborRow);
+                const formatted = parsed.toFixed(2);
+                input.value = formatted;
+                input.closest('td').dataset.exportValue = moneyFormatter.format(parsed);
+                if (Number.isInteger(index) && rows[index]) rows[index][field.key] = formatted;
+                if (Number.isInteger(index) && rowElement) {
+                    updateOutputs(rowElement, index);
+                    updateSummary();
+                }
+            });
+
             tbody.addEventListener('click', (event) => {
                 const remove = event.target.closest('[data-labor-remove]');
                 if (!remove) return;
diff --git a/tests/Feature/Business/LaborExpensePageAccessTest.php b/tests/Feature/Business/LaborExpensePageAccessTest.php
index d2cff6ec..9995f2c8 100644
--- a/tests/Feature/Business/LaborExpensePageAccessTest.php
+++ b/tests/Feature/Business/LaborExpensePageAccessTest.php
@@ -146,6 +146,18 @@ class LaborExpensePageAccessTest extends FeatureTestCase
             "const fixedStartColumns = ['A', 'B', 'C', 'D', 'E'];",
             $html
         );
+        $this->assertStringContainsString(
+            'const amountInputText = (value) => {',
+            $html
+        );
+        $this->assertStringContainsString(
+            "input.value = field.kind === 'number' ? amountInputText(storedValue) : String(storedValue);",
+            $html
+        );
+        $this->assertStringContainsString(
+            'const formatted = parsed.toFixed(2);',
+            $html
+        );
         foreach ([
             'base' => 'base',
             'original' => 'original',