diff --git a/src/components/ui/input/input.stories.tsx b/src/components/ui/input/input.stories.tsx
new file mode 100644
index 0000000..c6b68c4
--- /dev/null
+++ b/src/components/ui/input/input.stories.tsx
@@ -0,0 +1,84 @@
+// src/components/ui/input/input.stories.tsx
+import Button from '@/components/ui/button/button';
+import type { Meta, StoryObj } from '@storybook/nextjs';
+import { useState } from 'react';
+import Input from './input';
+
+const meta: Meta<typeof Input> = {
+  title: 'Form/Input',
+  component: Input,
+  tags: ['autodocs'],
+};
+export default meta;
+
+type Story = StoryObj<typeof Input>;
+
+export const Email: Story = {
+  args: { id: 'email', label: '이메일', placeholder: '입력', type: 'email' },
+};
+
+export const Password: Story = {
+  args: { id: 'pw', label: '비밀번호', type: 'password', placeholder: '••••••••' },
+};
+
+export const PasswordConfirm_Error: Story = {
+  args: {
+    id: 'pw2',
+    label: '비밀번호 확인',
+    type: 'password',
+    placeholder: '••••••••',
+    error: '비밀번호가 일치하지 않습니다.',
+  },
+};
+
+/** 시급(원) — 스토리 내부에서 숫자만 허용(컴포넌트 변경 없음) */
+export const WageWithSuffix: Story = {
+  render: () => {
+    const [v, setV] = useState('');
+    return (
+      <Input
+        id='wage'
+        label='시급*'
+        requiredMark
+        placeholder='입력'
+        inputMode='numeric'
+        suffix='원'
+        value={v}
+        onChange={e => setV(e.currentTarget.value.replace(/\D+/g, ''))} // 숫자만
+      />
+    );
+  },
+};
+
+/** 미니 폼 데모 */
+export const MiniFormDemo: Story = {
+  render: () => {
+    const [wage2, setWage2] = useState('');
+    return (
+      <div className='max-w-md space-y-5'>
+        <Input id='email2' label='이메일' placeholder='입력' type='email' />
+        <Input id='pw3' label='비밀번호' type='password' placeholder='••••••••' />
+        <Input
+          id='pw4'
+          label='비밀번호 확인'
+          type='password'
+          placeholder='••••••••'
+          error='비밀번호가 일치하지 않습니다.'
+        />
+        <Input
+          id='wage2'
+          label='시급*'
+          requiredMark
+          inputMode='numeric'
+          placeholder='입력'
+          suffix='원'
+          value={wage2}
+          onChange={e => setWage2(e.currentTarget.value.replace(/\D+/g, ''))} // 숫자만
+        />
+        <Button variant='primary' size='md' full>
+          제출
+        </Button>
+      </div>
+    );
+  },
+};
diff --git a/src/components/ui/input/input.tsx b/src/components/ui/input/input.tsx
index e69de29..c7cb212 100644
--- a/src/components/ui/input/input.tsx
+++ b/src/components/ui/input/input.tsx
@@ -0,0 +1,91 @@
+import { cn } from '@/lib/utils/cn';
+import { InputHTMLAttributes, ReactNode } from 'react';
+
+type Props = {
+  label?: string;            // 라벨 텍스트
+  requiredMark?: boolean;    // 라벨 옆 * 표시
+  error?: string;            // 에러 문구(있으면 빨간 테두리/문구)
+  suffix?: ReactNode;        // 우측 단위/아이콘(예: '원')
+  className?: string;        // 외부 커스텀 클래스
+} & InputHTMLAttributes<HTMLInputElement>;
+
+export default function Input({
+  label,
+  requiredMark,
+  error,
+  suffix,
+  className,
+  id,
+  disabled,
+  ...rest // (type, placeholder, value, onChange 등)
+}: Props) {
+  const hasError = Boolean(error);
+  const isDisabled = Boolean(disabled);
+  const errorId = id && hasError ? `${id}-error` : undefined;
+
+  return (
+    <div className={cn('flex w-full flex-col gap-1', className)}>
+      {/* Label */}
+      {label && (
+        <label
+          htmlFor={id}
+          className={cn(
+            'text-black text-sm',
+            // 팀 토큰의 line-height 반영 (Body-S)
+            'leading-[var(--lh-body-s)]'
+          )}
+        >
+          {label}
+          {requiredMark && <span className="ml-0.5 text-red-500">*</span>}
+        </label>
+      )}
+
+      {/* Field */}
+      <div className="relative">
+        <input
+          id={id}
+          disabled={isDisabled}
+          aria-invalid={hasError || undefined}
+          aria-describedby={errorId}
+          {...rest}
+          className={cn(
+            // 전역 공통 (tailwind.config에 정의됨)
+            'base-input',
+            'w-full outline-none transition',
+            hasError && 'border-red-500',
+            !hasError && 'focus:border-red-500',
+            isDisabled && 'cursor-not-allowed bg-gray-100',
+            // suffix가 있을 때 오른쪽 여백 확보
+            suffix && 'pr-10'
+          )}
+        />
+
+        {/* Suffix (예: 단위/아이콘) */}
+        {suffix && (
+          <span
+            className={cn(
+              'pointer-events-none absolute right-5 top-1/2 -translate-y-1/2',
+              'text-sm text-gray-500'
+            )}
+          >
+            {suffix}
+          </span>
+        )}
+      </div>
+
+      {/* Error message */}
+      {hasError && (
+        <p
+          id={errorId}
+          className={cn(
+            'text-xs text-red-500',
+            // 팀 토큰의 caption line-height 반영
+            'leading-[var(--lh-caption)]'
+          )}
+        >
+          {error}
+        </p>
+      )}
+    </div>
+  );
+}
diff --git a/src/components/ui/modal/modal.stories.tsx b/src/components/ui/modal/modal.stories.tsx
new file mode 100644
index 0000000..852c59a
--- /dev/null
+++ b/src/components/ui/modal/modal.stories.tsx
@@ -0,0 +1,92 @@
+import type { Meta, StoryObj } from '@storybook/nextjs';
+import { useState } from 'react';
+import Modal from './modal';
+
+const meta: Meta<typeof Modal> = {
+  title: 'UI/Modal',
+  component: Modal,
+  tags: ['autodocs'],
+};
+export default meta;
+
+type Story = StoryObj<typeof Modal>;
+
+/** 1) 경고(Alert) */
+export const AlertWarning: Story = {
+  render: () => {
+    const [open, setOpen] = useState(false);
+    return (
+      <>
+        <button
+          className='rounded-lg bg-red-500 px-3 py-2 text-white'
+          onClick={() => setOpen(true)}
+        >
+          모달 열기
+        </button>
+
+        <Modal
+          open={open}
+          onClose={() => setOpen(false)}
+          variant='warning'
+          title='가게 정보를 먼저 등록해 주세요.'
+          primaryText='확인'
+          onPrimary={() => setOpen(false)}
+        />
+      </>
+    );
+  },
+};
+
+/** 2) 확인/취소(Confirm) */
+export const ConfirmSuccess: Story = {
+  render: () => {
+    const [open, setOpen] = useState(false);
+    return (
+      <>
+        <button
+          className='rounded-lg bg-red-500 px-3 py-2 text-white'
+          onClick={() => setOpen(true)}
+        >
+          모달 열기
+        </button>
+
+        <Modal
+          open={open}
+          onClose={() => setOpen(false)}
+          variant='success'
+          title='신청을 거절하시겠어요?'
+          secondaryText='아니오'
+          onSecondary={() => setOpen(false)}
+          primaryText='예'
+          onPrimary={() => setOpen(false)}
+        />
+      </>
+    );
+  },
+};
+
+/** 3) 수정(correction) */
+export const Correction: Story = {
+  render: () => {
+    const [open, setOpen] = useState(false);
+    return (
+      <>
+        <button
+          className='rounded-lg bg-red-500 px-3 py-2 text-white'
+          onClick={() => setOpen(true)}
+        >
+          모달 열기
+        </button>
+
+        <Modal
+          open={open}
+          onClose={() => setOpen(false)}
+          variant='success'
+          title='수정이 완료되었습니다.'
+          primaryText='확인'
+          onPrimary={() => setOpen(false)}
+        />
+      </>
+    );
+  },
+};
diff --git a/src/components/ui/modal/modal.tsx b/src/components/ui/modal/modal.tsx
index e69de29..c11bb02 100644
--- a/src/components/ui/modal/modal.tsx
+++ b/src/components/ui/modal/modal.tsx
@@ -0,0 +1,122 @@
+import { Icon } from '@/components/ui';
+import Button from '@/components/ui/button/button';
+import type { IconName } from '@/constants/icon';
+import { ReactNode, useEffect } from 'react';
+import { createPortal } from 'react-dom';
+
+type Variant = 'success' | 'warning'; //체크 아이콘 | 느낌표 아이콘
+
+type ModalProps = {
+  open: boolean; // 모달 열림 여부
+  onClose: () => void; // 닫기 함수
+  title: string; // 타이틀 (필수)
+  description?: ReactNode; // 본문 (선택)
+  variant?: Variant; // success | warning (기본 warning)
+  primaryText: string; // 주 버튼 라벨
+  onPrimary: () => void; // 주 버튼 핸들러
+  secondaryText?: string; // 보조 버튼 라벨 (선택)
+  onSecondary?: () => void; // 보조 버튼 핸들러
+  closeOnDimmed?: boolean; // 딤 클릭 닫기 여부 (기본 true)
+  disablePortal?: boolean; // 포털 비활성화 (기본 false)
+  className?: string; // 커스텀 class 추가
+};
+
+const ICON_MAP: Record<Variant, { circle: IconName; glyph: IconName }> = {
+  success: { circle: 'successCircle', glyph: 'success' },
+  warning: { circle: 'warningCircle', glyph: 'warning' },
+};
+
+export default function Modal({
+  open,
+  onClose,
+  title,
+  description,
+  variant = 'warning',
+  primaryText,
+  onPrimary,
+  secondaryText,
+  onSecondary,
+  closeOnDimmed = true,
+  disablePortal = false,
+  className = '',
+}: ModalProps) {
+  useEffect(() => {
+    if (!open) return;
+    const onKey = (e: KeyboardEvent) => e.key === 'Escape' && onClose();
+    window.addEventListener('keydown', onKey);
+    return () => window.removeEventListener('keydown', onKey);
+  }, [open, onClose]);
+
+  if (!open) return null;
+
+  const node = (
+    <div
+      aria-modal='true'
+      role='dialog'
+      className='fixed inset-0 z-[1000] flex items-center justify-center p-4'
+    >
+      {closeOnDimmed ? (
+        <button
+          type='button'
+          aria-label='모달 닫기'
+          className='absolute inset-0 bg-[var(--modal-dimmed)]'
+          onClick={onClose}
+        />
+      ) : (
+        <div className='absolute inset-0 bg-[var(--modal-dimmed)]' aria-hidden />
+      )}
+
+      <div
+        className={[
+          'relative w-full max-w-md rounded-2xl bg-[var(--modal-frame)]',
+          'flex flex-col',
+          className,
+        ].join(' ')}
+      >
+        {/* Header (아이콘, 제목) */}
+        <div className='flex flex-col items-center gap-3 px-6 pt-6 text-center'>
+          <span className='relative inline-flex items-center justify-center'>
+            <Icon
+              iconName={ICON_MAP[variant].circle}
+              iconSize='lg'
+              className='bg-[var(--red-500)]'
+              ariaLabel={`${variant} circle`}
+              decorative
+            />
+            <Icon
+              iconName={ICON_MAP[variant].glyph}
+              iconSize='x-sm'
+              className='absolute bg-white'
+              ariaLabel={`${variant} glyph`}
+              decorative
+            />
+          </span>
+          <h2 className='font-medium leading-[var(--lh-modal)] text-[var(--black)] text-[var(--fs-modal)]'>
+            {title}
+          </h2>
+        </div>
+
+        {/* Body(description ->선택) */}
+        {description && (
+          <div className='px-6 py-4 leading-[var(--lh-body-m)] text-[var(--black)] text-[var(--fs-body-m)]'>
+            {description}
+          </div>
+        )}
+
+        {/* Footer (버튼)*/}
+        <div className='flex items-center justify-center gap-3 px-6 pb-6 pt-6'>
+          {secondaryText && (
+            <Button size='md' variant='secondary' onClick={onSecondary}>
+              {secondaryText}
+            </Button>
+          )}
+          <Button size='md' variant='primary' onClick={onPrimary}>
+            {primaryText}
+          </Button>
+        </div>
+      </div>
+    </div>
+  );
+
+  return disablePortal ? node : createPortal(node, document.body);
+}