diff --git a/src/app/schedule/(components)/empty-state.tsx b/src/app/schedule/(components)/empty-state.tsx
index 98c770a5..b519d45c 100644
--- a/src/app/schedule/(components)/empty-state.tsx
+++ b/src/app/schedule/(components)/empty-state.tsx
@@ -40,7 +40,7 @@ export const EmptyState = ({ type, onButtonClick }: EmptyStateProps) => {
 
       <Button
         className={cn('text-text-sm-bold mt-[18px]', config.buttonWidth)}
-        size='xs'
+        size='sm'
         variant='primary'
         onClick={onButtonClick}
       >
diff --git a/src/components/shared/card/index.tsx b/src/components/shared/card/index.tsx
index 7771f113..bcc58852 100644
--- a/src/components/shared/card/index.tsx
+++ b/src/components/shared/card/index.tsx
@@ -84,8 +84,8 @@ const Card = ({
           {shouldShowButtons && (
             <Button
               className='mt-3'
-              size='xs'
-              variant='leave'
+              size='sm'
+              variant='tertiary'
               onClick={(e) => {
                 e.stopPropagation();
                 leaveAndChatActions.onLeave();
@@ -115,8 +115,8 @@ const Card = ({
           {shouldShowButtons && (
             <Button
               className='mt-3'
-              size='xs'
-              variant='chat'
+              size='sm'
+              variant='primary'
               onClick={(e) => {
                 e.stopPropagation();
                 leaveAndChatActions.onChat();
diff --git a/src/components/ui/button/index.test.tsx b/src/components/ui/button/index.test.tsx
index b5e7fca5..4de8fe8a 100644
--- a/src/components/ui/button/index.test.tsx
+++ b/src/components/ui/button/index.test.tsx
@@ -52,9 +52,7 @@ describe('버튼 컴포넌트 테스트', () => {
 
     const button = screen.getByRole('button');
 
-    expect(button).toHaveClass('text-text-sm-semibold');
-    expect(button).toHaveClass('h-11');
-    expect(button).toHaveClass('max-w-[112px]');
+    expect(button).toHaveClass('h-10');
   });
 
   test('disabled 테스트', () => {
@@ -65,7 +63,7 @@ describe('버튼 컴포넌트 테스트', () => {
     );
     const button = screen.getByRole('button');
 
-    expect(button).toHaveClass('disabled:bg-gray-400');
+    expect(button).toHaveClass('!cursor-not-allowed');
   });
 
   test('onClick event 테스트', () => {
diff --git a/src/components/ui/button/index.tsx b/src/components/ui/button/index.tsx
index fae6388a..768f7b83 100644
--- a/src/components/ui/button/index.tsx
+++ b/src/components/ui/button/index.tsx
@@ -4,33 +4,49 @@ import { cva } from 'class-variance-authority';
 
 import { cn } from '@/lib/utils';
 
-const buttonVariants = cva(
-  'bg-mono-white w-full border transition hover:cursor-pointer hover:opacity-80 disabled:cursor-not-allowed',
-  {
-    variants: {
-      variant: {
-        primary: 'bg-mint-400 text-mono-white disabled:bg-gray-400',
-        secondary: 'border-mint-500 text-mint-500 disabled:border-gray-400 disabled:text-gray-400',
-        tertiary: 'border-gray-400 text-gray-600 disabled:text-gray-400',
-        leave: 'border-gray-200 bg-mono-white text-gray-600 text-text-sm-semibold',
-        chat: 'border-mint-500 bg-mint-500 text-mono-white text-text-sm-bold',
-      },
-      size: {
-        md: 'text-text-md-bold h-14 rounded-[16px]',
-        sm: 'text-text-sm-semibold h-11 max-w-[112px] rounded-[16px]',
-        xs: 'h-10 rounded-xl',
-      },
+const buttonVariants = cva('bg-mono-white w-full border transition', {
+  variants: {
+    variant: {
+      primary: 'bg-mint-400 text-text-md-bold text-mono-white',
+      secondary: 'border-mint-500 text-text-sm-semibold text-mint-500',
+      tertiary: 'border-gray-400 text-text-sm-semibold text-gray-600',
     },
-    defaultVariants: {
+    size: {
+      md: 'h-13 rounded-2xl',
+      sm: 'h-10 rounded-xl',
+    },
+    disabled: {
+      true: '!cursor-not-allowed',
+      false: 'hover:opacity-80',
+    },
+  },
+  compoundVariants: [
+    {
       variant: 'primary',
-      size: 'md',
+      disabled: true,
+      class: 'bg-gray-400',
+    },
+    {
+      variant: 'secondary',
+      disabled: true,
+      class: 'border-gray-400 text-gray-400',
+    },
+    {
+      variant: 'tertiary',
+      disabled: true,
+      class: 'text-gray-400',
     },
+  ],
+  defaultVariants: {
+    variant: 'primary',
+    size: 'md',
+    disabled: false,
   },
-);
+});
 
 interface ButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
-  variant?: 'primary' | 'secondary' | 'tertiary' | 'leave' | 'chat';
-  size?: 'md' | 'sm' | 'xs';
+  variant?: 'primary' | 'secondary' | 'tertiary';
+  size?: 'md' | 'sm';
   type?: 'button' | 'submit' | 'reset';
 }
 
@@ -38,12 +54,18 @@ export const Button = ({
   className,
   variant,
   size,
+  disabled = false,
   children,
   type = 'button',
   ...props
 }: ButtonProps) => {
   return (
-    <button className={cn(buttonVariants({ variant, size }), className)} type={type} {...props}>
+    <button
+      className={cn(buttonVariants({ variant, size, disabled: !!disabled }), className)}
+      disabled={disabled}
+      type={type}
+      {...props}
+    >
       {children}
     </button>
   );