- 이름,이메일,계좌번호 등 마스킹정책 적용

- 권한 체크 오 기입 수정
- 다국어 누락 부분 수정

src/entities/transaction/ui/cash-receipt-hand-written-issuance-step1.tsx

@@ -6,6 +6,7 @@ import { CashReceiptPurposeType } from '../model/types';
 import { PatternFormat } from 'react-number-format';
 import { useTranslation } from 'react-i18next';
 import { useKeyboardAware } from '@/shared/lib/hooks/use-keyboard-aware';
+import { MaskedNameInput, MaskedEmailInput, MaskedPhoneInput } from '@/shared/ui/masked-input';
 
 export interface CashReceiptHandWrittenIssuanceStep1Props {
   businessNumber?: string;
@@ -95,11 +96,10 @@ export const CashReceiptHandWrittenIssuanceStep1 = ({
         <div className="issue-row">
           <div className="issue-label">{t('transaction.fields.buyer')}</div>
           <div className="issue-field">
-            <input
-              type="text"
+            <MaskedNameInput
+              value={buyerName || ''}
+              onChange={setBuyerName}
               placeholder={t('transaction.handWrittenIssuance.buyerNamePlaceholder')}
-              value={buyerName}
-              onChange={(e: ChangeEvent<HTMLInputElement>) => setBuyerName(e.target.value)}
               onFocus={handleInputFocus}
             />
           </div>
@@ -120,11 +120,10 @@ export const CashReceiptHandWrittenIssuanceStep1 = ({
         <div className="issue-row">
           <div className="issue-label">{t('account.emailAddress')}</div>
           <div className="issue-field">
-            <input
-              type="email"
+            <MaskedEmailInput
+              value={email || ''}
+              onChange={setEmail}
               placeholder={t('transaction.handWrittenIssuance.emailPlaceholder')}
-              value={email}
-              onChange={(e: ChangeEvent<HTMLInputElement>) => setEmail(e.target.value)}
               onFocus={handleInputFocus}
             />
           </div>
@@ -132,14 +131,12 @@ export const CashReceiptHandWrittenIssuanceStep1 = ({
         <div className="issue-row" style={keyboardAwarePadding}>
           <div className="issue-label">{t('account.phoneNumber')}</div>
           <div className="issue-field">
-            <PatternFormat
+            <MaskedPhoneInput
+              value={phoneNumber || ''}
+              onChange={setPhoneNumber}
               placeholder={t('transaction.handWrittenIssuance.phoneNumberPlaceholder')}
-              value={phoneNumber}
-              valueIsNumericString
-              format="###########"
-              onChange={(e: ChangeEvent<HTMLInputElement>) => setPhoneNumber(e.target.value)}
               onFocus={handleInputFocus}
-            ></PatternFormat>
+            />
           </div>
         </div>
       </div>

src/locales/en.json

@@ -774,7 +774,23 @@
     "billing": {
         "title": "Billing",
         "detailTitle": "Billing Details",
-        "charge": "Billing Charge"
+        "charge": "Billing Charge",
+        "paymentInfoInput": "Enter Payment Information",
+        "billKey": "Bill Key",
+        "productAmount": "Product Amount",
+        "paymentRequestDate": "Payment Request Date",
+        "selectDate": "Select Date",
+        "installmentMonth": "Installment Months",
+        "lumpSum": "Lump Sum",
+        "months": "{{count}} Months",
+        "chargeRequest": "Request Payment",
+        "billKeyRequired": "Bill key is required.",
+        "productNameRequired": "Product name is required.",
+        "productAmountRequired": "Product amount is required.",
+        "productAmountMinimum": "Product amount must be greater than 0.",
+        "orderNumberRequired": "Order number is required.",
+        "buyerNameRequired": "Buyer name is required.",
+        "chargeSuccess": "Payment request was successful."
     },
     "payment": {
         "title": "Payment Management",

src/locales/ko.json

@@ -774,7 +774,23 @@
     "billing": {
         "title": "빌링",
         "detailTitle": "빌링 상세",
-        "charge": "빌링 청구"
+        "charge": "빌링 청구",
+        "paymentInfoInput": "결제 정보 입력",
+        "billKey": "빌키",
+        "productAmount": "상품금액",
+        "paymentRequestDate": "결제 요청일자",
+        "selectDate": "날짜 선택",
+        "installmentMonth": "할부 개월",
+        "lumpSum": "일시불",
+        "months": "{{count}}개월",
+        "chargeRequest": "결제 신청",
+        "billKeyRequired": "빌키는 필수 입력 항목입니다.",
+        "productNameRequired": "상품명은 필수 입력 항목입니다.",
+        "productAmountRequired": "상품금액은 필수 입력 항목입니다.",
+        "productAmountMinimum": "상품금액은 0보다 커야 합니다.",
+        "orderNumberRequired": "주문번호는 필수 입력 항목입니다.",
+        "buyerNameRequired": "구매자명은 필수 입력 항목입니다.",
+        "chargeSuccess": "결제 신청을 성공하였습니다."
     },
     "payment": {
         "title": "결제 관리",

src/pages/additional-service/account-holder-search/request-page.tsx

@@ -11,11 +11,11 @@ import {
 import { useExtensionAccountHolderSearchRequestMutation } from '@/entities/additional-service/api/account-holder-search/use-extension-account-holder-search-reqeust-mutation';
 import { ExtensionAccountHolderSearchRequestParams, ExtensionAccountHolderSearchRequestResponse } from '@/entities/additional-service/model/account-holder-search/types';
 import { useStore } from '@/shared/model/store';
-import { NumericFormat } from 'react-number-format';
 import { snackBar } from '@/shared/lib';
 import { useTranslation } from 'react-i18next';
 import { showAlert } from '@/widgets/show-alert';
 import { AccountHolderSearchDetail } from '@/entities/additional-service/ui/account-holder-search/detail/account-holder-search-detail';
+import { MaskedAccountNumberInput } from '@/shared/ui/masked-input';
 
 export const AccountHolderSearchRequestPage = () => {
     const { navigate } = useNavigate();
@@ -145,18 +145,11 @@ export const AccountHolderSearchRequestPage = () => {
                                 <div className="billing-row">
                                     <div className="billing-label">{t('transaction.fields.accountNo')}</div>
                                     <div className="billing-field">
-                                        <NumericFormat
+                                        <MaskedAccountNumberInput
                                             value={formData.accountNo}
-                                            valueIsNumericString
-                                            allowNegative={false}
-                                            decimalScale={0}
-                                            isAllowed={(values) => {
-                                                const { value } = values;
-                                                return !value || value.length <= 14;
-                                            }}
-                                            onValueChange={(values) => {
-                                                setFormData({ ...formData, accountNo: values.value });
-                                            }}
+                                            placeholder=''
+                                            onChange={(value) => setFormData({ ...formData, accountNo: value })}
+                                            maxLength={14}
                                         />
                                     </div>
                                 </div>

src/pages/support/qna/register-page.tsx

@@ -11,7 +11,6 @@ import {
 } from '@/widgets/sub-layout/use-sub-layout';
 import { useStore } from '@/shared/model/store';
 import { useTranslation } from 'react-i18next';
-import { PatternFormat } from 'react-number-format';
 import { overlay } from 'overlay-kit';
 import { Dialog } from '@/shared/ui/dialogs/dialog';
 import { QnaSaveParams, QnaSaveResponse } from '@/entities/support/model/types';
@@ -19,6 +18,7 @@ import { checkGrant } from '@/shared/lib/check-grant';
 import { useKeyboardAware } from '@/shared/lib/hooks/use-keyboard-aware';
 import { snackBar } from '@/shared/lib';
 import { showAlert } from '@/widgets/show-alert';
+import { MaskedNameInput, MaskedPhoneInput, MaskedEmailInput } from '@/shared/ui/masked-input';
 
 export enum QnaRegisterPropsName {
   Mid = 'Mid',
@@ -189,11 +189,10 @@ export const QnaRegisterPage = () => {
                   {t('support.qna.formLabels.requesterName')} <span className="red">{t('support.qna.formLabels.required')}</span>
                 </div>
                 <div className="inq-control">
-                  <input
-                    type="text"
+                  <MaskedNameInput
                     value={requestName}
-                    required={true}
-                    onChange={(e: ChangeEvent<HTMLInputElement>) => setInputValue(e, QnaRegisterPropsName.RequestName)}
+                    placeholder=''
+                    onChange={setRequestName}
                     onFocus={handleInputFocus}
                   />
                 </div>
@@ -203,24 +202,21 @@ export const QnaRegisterPage = () => {
                   {t('support.qna.formLabels.phoneNumber')} <span className="red">{t('support.qna.formLabels.required')}</span>
                 </div>
                 <div className="inq-control">
-                  <PatternFormat
+                  <MaskedPhoneInput
                     placeholder={t('support.qna.formLabels.phonePlaceholder')}
                     value={requestTel}
-                    valueIsNumericString
-                    format="###########"
-                    onChange={(e: ChangeEvent<HTMLInputElement>) => setInputValue(e, QnaRegisterPropsName.RequestTel)}
+                    onChange={setRequestTel}
                     onFocus={handleInputFocus}
-                  ></PatternFormat>
+                  />
                 </div>
               </div>
               <div className="inq-field">
                 <div className="inq-label">{t('support.qna.formLabels.emailAddress')}</div>
                 <div className="inq-control">
-                  <input
-                    type="email"
+                  <MaskedEmailInput
                     placeholder={t('support.qna.formLabels.emailPlaceholder')}
                     value={requestEmail}
-                    onChange={(e: ChangeEvent<HTMLInputElement>) => setInputValue(e, QnaRegisterPropsName.RequestEmail)}
+                    onChange={setRequestEmail}
                     onFocus={handleInputFocus}
                   />
                 </div>

src/pages/transaction/billing/charge-page.tsx

@@ -19,6 +19,7 @@ import { notiBar, snackBar } from '@/shared/lib';
 import { BillingChargeParams, BillingChargeResponse } from '@/entities/transaction/model/types';
 import { useKeyboardAware } from '@/shared/lib/hooks/use-keyboard-aware';
 import { checkGrant } from '@/shared/lib/check-grant';
+import { MaskedNameInput } from '@/shared/ui/masked-input';
 
 const menuId = 34;
 export const BillingChargePage = () => {
@@ -56,23 +57,23 @@ export const BillingChargePage = () => {
   const onClickToBillingCharge = () => {
     if(checkGrant(menuId, 'W')){
       if (!billKey) {
-        showAlert('빌키는 필수 입력 항목입니다.');
+        showAlert(t('billing.billKeyRequired'));
         return;
       }
       else if (!productName) {
-        showAlert('상품명은 필수 입력 항목입니다.');
+        showAlert(t('billing.productNameRequired'));
       }
       else if (!productAmount) {
-        showAlert('상품금액은 필수 입력 항목입니다.');
+        showAlert(t('billing.productAmountRequired'));
       }
       else if (productAmount <= 0) {
-        showAlert('상품금액은 0보다 커야 합니다.');
+        showAlert(t('billing.productAmountMinimum'));
       }
       else if (!orderNumber) {
-        showAlert('주문번호는 필수 입력 항목입니다.');
+        showAlert(t('billing.orderNumberRequired'));
       }
       else if (!buyerName) {
-        showAlert('구매자명은 필수 입력 항목입니다.');
+        showAlert(t('billing.buyerNameRequired'));
       }
 
       let params: BillingChargeParams = {
@@ -85,7 +86,7 @@ export const BillingChargePage = () => {
         installmentMonth: installmentMonth
       };
       billingCharge(params).then((rs: BillingChargeResponse) => {
-        snackBar('결제 신청을 성공하였습니다.', function () {
+        snackBar(t('billing.chargeSuccess'), function () {
           navigate(PATHS.transaction.billing.list);
         }, 3000);
 
@@ -98,8 +99,8 @@ export const BillingChargePage = () => {
     }
     else{
       showAlert(t('common.nopermission'));
-    } 
-    
+    }
+
   };
 
   const onChangeBillKey = (value: string) => {
@@ -116,13 +117,13 @@ export const BillingChargePage = () => {
       <option
         key={`key-installment`}
         value=''
-      >선택</option>
+      >{t('common.select')}</option>
     );
     rs.push(
       <option
         key={`key-installment-0`}
         value='00'
-      >일시불</option>
+      >{t('billing.lumpSum')}</option>
     );
     for (let i = 2; i <= 33; i++) {
       let val = (i < 10) ? '0' + i : '' + i;
@@ -130,7 +131,7 @@ export const BillingChargePage = () => {
         <option
           key={`key-installment-${i}`}
           value={val}
-        >{i}개월</option>
+        >{t('billing.months', { count: i })}</option>
       );
     };
     return rs;
@@ -142,10 +143,10 @@ export const BillingChargePage = () => {
         <div className="tab-content">
           <div className="tab-pane sub active">
             <div className="option-list">
-              <div className="billing-title">결제 정보 입력</div>
+              <div className="billing-title">{t('billing.paymentInfoInput')}</div>
               <div className="billing-form">
                 <div className="billing-row">
-                  <div className="billing-label">빌키 <span>*</span></div>
+                  <div className="billing-label">{t('billing.billKey')} <span>*</span></div>
                   <div className="billing-field">
                     <input
                       type="text"
@@ -156,7 +157,7 @@ export const BillingChargePage = () => {
                   </div>
                 </div>
                 <div className="billing-row">
-                  <div className="billing-label">상품명 <span>*</span></div>
+                  <div className="billing-label">{t('transaction.fields.productName')} <span>*</span></div>
                   <div className="billing-field">
                     <input
                       type="text"
@@ -167,7 +168,7 @@ export const BillingChargePage = () => {
                   </div>
                 </div>
                 <div className="billing-row">
-                  <div className="billing-label">상품금액 <span>*</span></div>
+                  <div className="billing-label">{t('billing.productAmount')} <span>*</span></div>
                   <div className="billing-field">
                     <NumericFormat
                       value={productAmount}
@@ -179,7 +180,7 @@ export const BillingChargePage = () => {
                   </div>
                 </div>
                 <div className="billing-row">
-                  <div className="billing-label">주문번호 <span>*</span></div>
+                  <div className="billing-label">{t('transaction.fields.orderNumber')} <span>*</span></div>
                   <div className="billing-field">
                     <input
                       type="text"
@@ -190,24 +191,24 @@ export const BillingChargePage = () => {
                   </div>
                 </div>
                 <div className="billing-row">
-                  <div className="billing-label">구매자명 <span>*</span></div>
+                  <div className="billing-label">{t('transaction.fields.buyer')} <span>*</span></div>
                   <div className="billing-field">
-                    <input
-                      type="text"
+                    <MaskedNameInput
                       value={buyerName}
-                      onChange={(e: ChangeEvent<HTMLInputElement>) => setBuyerName(e.target.value)}
+                      placeholder=''
+                      onChange={setBuyerName}
                       onFocus={handleInputFocus}
                     />
                   </div>
                 </div>
 
                 <div className="billing-row">
-                  <div className="billing-label">결제 요청일자</div>
+                  <div className="billing-label">{t('billing.paymentRequestDate')}</div>
                   <div className="billing-field">
                     <div className="input-wrapper date wid-100">
                       <input
                         type="text"
-                        placeholder="날짜 선택"
+                        placeholder={t('billing.selectDate')}
                         value={paymentRequestDate}
                         readOnly={true}
                       />
@@ -226,7 +227,7 @@ export const BillingChargePage = () => {
                 </div>
 
                 <div className="billing-row" style={keyboardAwarePadding}>
-                  <div className="billing-label">할부 개월</div>
+                  <div className="billing-label">{t('billing.installmentMonth')}</div>
                   <div className="billing-field">
                     <select
                       value={installmentMonth}
@@ -242,7 +243,7 @@ export const BillingChargePage = () => {
               <button
                 className="btn-50 btn-blue flex-1"
                 onClick={() => onClickToBillingCharge()}
-              >결제 신청</button>
+              >{t('billing.chargeRequest')}</button>
             </div>
           </div>
         </div>

src/pages/transaction/cash-receipt/list-page.tsx

@@ -247,7 +247,7 @@ export const CashReceiptListPage = () => {
 		setTransactionType(val);
 	};
 	const onClickToNavigate = () => {
-		if(checkGrant(menuId, 'X')){
+		if(checkGrant(menuId, 'W')){
     	navigate(PATHS.transaction.cashReceipt.handWrittenIssuance);
 		}
 		else{

src/shared/lib/masking-utils.ts

@@ -0,0 +1,66 @@
+/**
+ * 마스킹 유틸리티 함수
+ * 개인정보 보호를 위한 데이터 마스킹 처리
+ */
+
+/**
+ * 이름 마스킹
+ * - 1글자: 그대로 표시
+ * - 2글자: 첫 글자 + * (홍*, j*)
+ * - 3글자: 첫 글자 + * + 마지막 글자 (홍*동, j*n)
+ * - 4글자 이상: 첫 글자 + *** + 마지막 글자 (선**녀, j***n)
+ */
+export const getMaskedName = (name?: string): string => {
+  if (!name) return '';
+  const length = name.length;
+  if (length <= 1) return name;
+  if (length === 2) return name[0] + '*';
+  if (length === 3) return name[0] + '*' + name[2];
+  const firstChar = name[0];
+  const lastChar = name[length - 1];
+  const maskedLength = length - 2;
+  const masked = '*'.repeat(maskedLength);
+  return firstChar + masked + lastChar;
+};
+
+/**
+ * 전화번호 마스킹
+ * - 마지막 4자리 마스킹
+ * - 예: 0101234****
+ */
+export const getMaskedPhoneNumber = (phone?: string): string => {
+  if (!phone) return '';
+  if (phone.length <= 7) return phone;
+  const visiblePart = phone.slice(0, -4);
+  return visiblePart + '****';
+};
+
+/**
+ * 이메일 마스킹
+ * - 앞 2자리만 표시, @ 이전 부분 마스킹
+ * - 예: te**@nicepay.co.kr
+ */
+export const getMaskedEmail = (email?: string): string => {
+  if (!email) return '';
+  const atIndex = email.indexOf('@');
+  if (atIndex === -1 || atIndex <= 2) return email;
+  const visiblePart = email.slice(0, 2);
+  const domainPart = email.slice(atIndex);
+  const maskedLength = atIndex - 2;
+  const masked = '*'.repeat(maskedLength);
+  return visiblePart + masked + domainPart;
+};
+
+/**
+ * 계좌번호 마스킹
+ * - 마지막 5자리만 표시
+ * - 예: *********74018
+ */
+export const getMaskedAccountNumber = (accountNo?: string): string => {
+  if (!accountNo) return '';
+  if (accountNo.length <= 5) return accountNo;
+  const visiblePart = accountNo.slice(-5);
+  const maskedLength = accountNo.length - 5;
+  const masked = '*'.repeat(maskedLength);
+  return masked + visiblePart;
+};

src/shared/ui/masked-input/index.ts

@@ -0,0 +1,8 @@
+export { MaskedNameInput } from './masked-name-input';
+export { MaskedPhoneInput } from './masked-phone-input';
+export { MaskedEmailInput } from './masked-email-input';
+export { MaskedAccountNumberInput } from './masked-account-number-input';
+export type { MaskedNameInputProps } from './masked-name-input';
+export type { MaskedPhoneInputProps } from './masked-phone-input';
+export type { MaskedEmailInputProps } from './masked-email-input';
+export type { MaskedAccountNumberInputProps } from './masked-account-number-input';

src/shared/ui/masked-input/masked-account-number-input.tsx

@@ -0,0 +1,54 @@
+import { ChangeEvent } from 'react';
+import { getMaskedAccountNumber } from '@/shared/lib/masking-utils';
+
+export interface MaskedAccountNumberInputProps {
+  value: string;
+  onChange: (value: string) => void;
+  placeholder?: string;
+  onFocus?: (e: React.FocusEvent<HTMLInputElement>) => void;
+  className?: string;
+  maxLength?: number;
+}
+
+export const MaskedAccountNumberInput = ({
+  value,
+  onChange,
+  placeholder = '*********74018',
+  onFocus,
+  className = '',
+  maxLength = 14
+}: MaskedAccountNumberInputProps) => {
+  return (
+    <input
+      type="tel"
+      className={className}
+      value={getMaskedAccountNumber(value)}
+      placeholder={placeholder}
+      onKeyDown={(e) => {
+        // 백스페이스 처리
+        if (e.key === 'Backspace') {
+          e.preventDefault();
+          onChange(value.slice(0, -1));
+        }
+        // 숫자 입력 처리
+        else if (/^[0-9]$/.test(e.key)) {
+          e.preventDefault();
+          if (value.length < maxLength) {
+            onChange(value + e.key);
+          }
+        }
+      }}
+      onChange={(e: ChangeEvent<HTMLInputElement>) => {
+        // Android 등에서 한글 키보드로 입력 시 대비
+        const input = e.target.value;
+        const digitsOnly = input.replace(/\*/g, '').replace(/[^0-9]/g, '');
+        if (digitsOnly.length <= maxLength) {
+          onChange(digitsOnly);
+        }
+      }}
+      inputMode="numeric"
+      pattern="[0-9]*"
+      onFocus={onFocus}
+    />
+  );
+};

src/shared/ui/masked-input/masked-email-input.tsx

@@ -0,0 +1,61 @@
+import { ChangeEvent } from 'react';
+import { getMaskedEmail } from '@/shared/lib/masking-utils';
+
+export interface MaskedEmailInputProps {
+  value: string;
+  onChange: (value: string) => void;
+  placeholder?: string;
+  onFocus?: (e: React.FocusEvent<HTMLInputElement>) => void;
+  className?: string;
+  isValid?: (value: string) => boolean;
+}
+
+export const MaskedEmailInput = ({
+  value,
+  onChange,
+  placeholder = 'te**@nicepay.co.kr',
+  onFocus,
+  className = '',
+  isValid
+}: MaskedEmailInputProps) => {
+  const validationClass = isValid && value ? (isValid(value) ? '' : 'error') : '';
+
+  return (
+    <input
+      type="text"
+      className={`${className} ${validationClass}`.trim()}
+      value={getMaskedEmail(value)}
+      placeholder={placeholder}
+      onKeyDown={(e) => {
+        // 백스페이스 처리
+        if (e.key === 'Backspace') {
+          e.preventDefault();
+          onChange(value.slice(0, -1));
+        }
+        // 영문, 숫자, @, ., - 등 이메일에 허용되는 문자만 입력 가능
+        else if (e.key.length === 1 && !e.ctrlKey && !e.metaKey) {
+          if (/^[a-zA-Z0-9@._-]$/.test(e.key)) {
+            e.preventDefault();
+            onChange(value + e.key);
+          } else {
+            e.preventDefault();
+          }
+        }
+      }}
+      onChange={(e: ChangeEvent<HTMLInputElement>) => {
+        // 복사/붙여넣기 등 특수 입력 대비
+        const input = e.target.value;
+        const filteredInput = input.replace(/[^a-zA-Z0-9@._-]/g, '');
+        const atIndex = filteredInput.indexOf('@');
+        if (atIndex !== -1) {
+          const beforeAt = filteredInput.slice(0, atIndex).replace(/\*/g, '');
+          const afterAt = filteredInput.slice(atIndex);
+          onChange(beforeAt + afterAt);
+        } else {
+          onChange(filteredInput.replace(/\*/g, ''));
+        }
+      }}
+      onFocus={onFocus}
+    />
+  );
+};

src/shared/ui/masked-input/masked-name-input.tsx

@@ -0,0 +1,66 @@
+import { ChangeEvent, useState } from 'react';
+import { getMaskedName } from '@/shared/lib/masking-utils';
+
+export interface MaskedNameInputProps {
+  value: string;
+  onChange: (value: string) => void;
+  placeholder?: string;
+  onFocus?: (e: React.FocusEvent<HTMLInputElement>) => void;
+  className?: string;
+}
+
+export const MaskedNameInput = ({
+  value,
+  onChange,
+  placeholder = '홍*동',
+  onFocus,
+  className = ''
+}: MaskedNameInputProps) => {
+  const [isComposing, setIsComposing] = useState<boolean>(false);
+
+  return (
+    <input
+      type="text"
+      className={className}
+      value={isComposing ? value : getMaskedName(value)}
+      placeholder={placeholder}
+      onKeyDown={(e) => {
+        // 스페이스바 입력 차단
+        if (e.key === ' ') {
+          e.preventDefault();
+        }
+        // 백스페이스 처리 (composition 중이 아닐 때만)
+        else if (e.key === 'Backspace' && !isComposing) {
+          e.preventDefault();
+          onChange(value.slice(0, -1));
+        }
+        // 영문자 입력 처리 (composition 중이 아닐 때만)
+        else if (!isComposing && e.key.length === 1 && !e.ctrlKey && !e.metaKey) {
+          if (/^[a-zA-Z]$/.test(e.key)) {
+            e.preventDefault();
+            onChange(value + e.key);
+          }
+          // 한글이 아닌 다른 문자는 차단
+          else if (!/^[ㄱ-ㅎㅏ-ㅣ가-힣]$/.test(e.key)) {
+            e.preventDefault();
+          }
+        }
+      }}
+      onCompositionStart={() => setIsComposing(true)}
+      onCompositionEnd={(e: any) => {
+        setIsComposing(false);
+        // 스페이스 제거 후 저장
+        const valueWithoutSpace = e.target.value.replace(/\s/g, '');
+        onChange(valueWithoutSpace);
+      }}
+      onChange={(e: ChangeEvent<HTMLInputElement>) => {
+        if (isComposing) {
+          // composition 중에는 스페이스 제거
+          const valueWithoutSpace = e.target.value.replace(/\s/g, '');
+          onChange(valueWithoutSpace);
+        }
+      }}
+      onFocus={onFocus}
+    />
+  );
+};

src/shared/ui/masked-input/masked-phone-input.tsx

@@ -0,0 +1,59 @@
+import { ChangeEvent } from 'react';
+import { getMaskedPhoneNumber } from '@/shared/lib/masking-utils';
+
+export interface MaskedPhoneInputProps {
+  value: string;
+  onChange: (value: string) => void;
+  placeholder?: string;
+  onFocus?: (e: React.FocusEvent<HTMLInputElement>) => void;
+  className?: string;
+  maxLength?: number;
+  isValid?: (value: string) => boolean;
+}
+
+export const MaskedPhoneInput = ({
+  value,
+  onChange,
+  placeholder = '0101234****',
+  onFocus,
+  className = '',
+  maxLength = 11,
+  isValid
+}: MaskedPhoneInputProps) => {
+  const validationClass = isValid && value ? (isValid(value) ? '' : 'error') : '';
+
+  return (
+    <input
+      type="tel"
+      className={`${className} ${validationClass}`.trim()}
+      value={getMaskedPhoneNumber(value)}
+      placeholder={placeholder}
+      onKeyDown={(e) => {
+        // 백스페이스 처리
+        if (e.key === 'Backspace') {
+          e.preventDefault();
+          onChange(value.slice(0, -1));
+        }
+        // 숫자 입력 처리
+        else if (/^[0-9]$/.test(e.key)) {
+          e.preventDefault();
+          if (value.length < maxLength) {
+            onChange(value + e.key);
+          }
+        }
+      }}
+      onChange={(e: ChangeEvent<HTMLInputElement>) => {
+        // Android 등에서 한글 키보드로 입력 시 대비
+        const input = e.target.value;
+        const digitsOnly = input.replace(/\*/g, '').replace(/[^0-9]/g, '');
+        if (digitsOnly.length <= maxLength) {
+          onChange(digitsOnly);
+        }
+      }}
+      inputMode="numeric"
+      pattern="[0-9]*"
+      maxLength={15}
+      onFocus={onFocus}
+    />
+  );
+};