diff --git a/backend/public/js/app.js b/backend/public/js/app.js
index 7350d0a4..3766aceb 100644
--- a/backend/public/js/app.js
+++ b/backend/public/js/app.js
@@ -35515,8 +35515,8 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var _mui_material_Dialog__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! @mui/material/Dialog */ "./node_modules/@mui/material/Dialog/Dialog.js");
 /* harmony import */ var _mui_material_DialogActions__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! @mui/material/DialogActions */ "./node_modules/@mui/material/DialogActions/DialogActions.js");
 /* harmony import */ var _mui_material_DialogContent__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! @mui/material/DialogContent */ "./node_modules/@mui/material/DialogContent/DialogContent.js");
-/* harmony import */ var _mui_material_DialogContentText__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! @mui/material/DialogContentText */ "./node_modules/@mui/material/DialogContentText/DialogContentText.js");
 /* harmony import */ var _mui_material_Slide__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! @mui/material/Slide */ "./node_modules/@mui/material/Slide/Slide.js");
+/* harmony import */ var _mui_material_Container__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! @mui/material/Container */ "./node_modules/@mui/material/Container/Container.js");
 /* harmony import */ var react_jsx_runtime__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! react/jsx-runtime */ "./node_modules/react/jsx-runtime.js");
 function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
 
@@ -35536,6 +35536,7 @@ function _defineProperty(obj, key, value) { if (key in obj) { Object.definePrope
 
 
 
+
 var Transition = /*#__PURE__*/react__WEBPACK_IMPORTED_MODULE_0__.forwardRef(function Transition(props, ref) {
   return /*#__PURE__*/(0,react_jsx_runtime__WEBPACK_IMPORTED_MODULE_2__.jsx)(_mui_material_Slide__WEBPACK_IMPORTED_MODULE_3__.default, _objectSpread({
     direction: "up",
@@ -35553,8 +35554,7 @@ function ModalPdf(_ref) {
     "aria-describedby": "alert-dialog-slide-description",
     onClose: handleClose,
     children: [/*#__PURE__*/(0,react_jsx_runtime__WEBPACK_IMPORTED_MODULE_2__.jsx)(_mui_material_DialogContent__WEBPACK_IMPORTED_MODULE_5__.default, {
-      children: /*#__PURE__*/(0,react_jsx_runtime__WEBPACK_IMPORTED_MODULE_2__.jsx)(_mui_material_DialogContentText__WEBPACK_IMPORTED_MODULE_6__.default, {
-        id: "alert-dialog-slide-description",
+      children: /*#__PURE__*/(0,react_jsx_runtime__WEBPACK_IMPORTED_MODULE_2__.jsx)(_mui_material_Container__WEBPACK_IMPORTED_MODULE_6__.default, {
         style: {
           fontSize: '20px',
           minHeight: '200px',
diff --git a/backend/resources/js/component/admin/pdf_modal_admin.jsx b/backend/resources/js/component/admin/pdf_modal_admin.jsx
index 25db0f28..1a39e604 100644
--- a/backend/resources/js/component/admin/pdf_modal_admin.jsx
+++ b/backend/resources/js/component/admin/pdf_modal_admin.jsx
@@ -9,6 +9,7 @@ import DialogContent from '@mui/material/DialogContent';
 import DialogContentText from '@mui/material/DialogContentText';
 import DialogTitle from '@mui/material/DialogTitle';
 import Slide from '@mui/material/Slide';
+import Container from '@mui/material/Container';
 
 const Transition = React.forwardRef(function Transition(props, ref) {
   return <Slide direction="up" ref={ref} {...props} />;
@@ -26,9 +27,9 @@ export default function ModalPdf({ show, pdfPath, handleClose }){
         onClose={handleClose}
         >
             <DialogContent>
-                <DialogContentText id="alert-dialog-slide-description" style={{fontSize:'20px', minHeight:'200px', padding:'20px'}}>
+                <Container style={{fontSize:'20px', minHeight:'200px', padding:'20px'}}>
                     {show && <PDFViewer pdf={pdfPath} /> }
-                </DialogContentText>
+                </Container>
             </DialogContent>
             <DialogActions>
                 <Button onClick={handleClose} style={{fontSize:'18px', color:'black'}}>閉じる</Button>