diff --git a/layers/assets/css/base/_theme.css b/layers/assets/css/base/_theme.css
index 5fb8ffd..c697ed1 100644
--- a/layers/assets/css/base/_theme.css
+++ b/layers/assets/css/base/_theme.css
@@ -9,12 +9,12 @@
   --foreground-reversal-40: rgba(0, 0, 0, 0.4);
   --foreground-reversal-70: #666666; /* gray-700 */
 
-  /* 게임별 동적 색상 기본값 (API 로드 실패 시 fallback) */
-  --game-primary: #3b82f6;
-  --game-alternative-01: #64748b;
-  --game-alternative-02: #64748b;
-  --game-text-primary: #1f2937;
-  --game-text-secondary: #6b7280;
+  /* 게임별 동적 색상 기본값 */
+  --game-primary: transparent;
+  --game-alternative-01: transparent;
+  --game-alternative-02: transparent;
+  --game-text-primary: transparent;
+  --game-text-secondary: transparent;
 }
 
 /* 다크 테마 색상 */
@@ -28,12 +28,12 @@
   --foreground-reversal-40: rgba(255, 255, 255, 0.4);
   --foreground-reversal-70: #b2b2b2; /* gray-300 */
 
-  /* 다크 테마 게임별 동적 색상 기본값 (API 로드 실패 시 fallback) */
-  --game-primary: #60a5fa;
-  --game-alternative-01: #94a3b8;
-  --game-alternative-02: #94a3b8;
-  --game-text-primary: #f9fafb;
-  --game-text-secondary: #d1d5db;
+  /* 게임별 동적 색상 기본값 */
+  --game-primary: transparent;
+  --game-alternative-01: transparent;
+  --game-alternative-02: transparent;
+  --game-text-primary: transparent;
+  --game-text-secondary: transparent;
 }
 
 /* 커스텀 컴포넌트 스타일 */
diff --git a/layers/components/atoms/Button.vue b/layers/components/atoms/Button.vue
index 01ee2ee..a110145 100644
--- a/layers/components/atoms/Button.vue
+++ b/layers/components/atoms/Button.vue
@@ -1,29 +1,21 @@
 <script setup lang="ts">
-type ButtonSize = 'large' | 'medium' | 'small' | 'extra-small'
-type ButtonVariant = 'primary' | 'secondary'
+import type {
+  ButtonSize,
+  ButtonConfig,
+  ButtonProps,
+} from '#layers/types/components/button'
 
-interface Props {
-  size?: ButtonSize
-  variant?: ButtonVariant
-  disabled?: boolean
-  icon?: string
-  backgroundColor?: string
-  textColor?: string
-}
-
-const props = withDefaults(defineProps<Props>(), {
+// Props 정의
+const props = withDefaults(defineProps<ButtonProps>(), {
   size: 'medium',
-  variant: 'primary',
-  disabled: false,
+  backgroundColor: 'var(--game-primary)',
+  textColor: 'var(--game-text-primary)',
   icon: '',
-  backgroundColor: '',
-  textColor: '',
+  disabled: false,
 })
 
-const attrs = useAttrs()
-
-// 버튼 크기별 설정
-const buttonConfig = {
+// 버튼 크기별 설정 상수
+const BUTTON_CONFIGS: Record<ButtonSize, ButtonConfig> = {
   large: {
     padding: 'px-10',
     height: 'h-16',
@@ -50,72 +42,46 @@ const buttonConfig = {
   },
 } as const
 
-// 버튼 변형별 기본 스타일
-const variantStyles = {
-  primary: 'bg-game-primary text-game-text-primary',
-  secondary: 'bg-[rgba(255, 255, 255, 0.5)] text-white',
-} as const
-
-// 크기별 클래스 생성
-const getSizeClasses = (size: ButtonSize) => {
-  const config = buttonConfig[size]
-  return `${config.padding} ${config.height} ${config.text} ${config.rounded}`
-}
-
-// 상태별 클래스 생성
-const getStateClasses = (disabled: boolean) => {
-  if (disabled) {
-    return 'bg-white/10 text-gray-400 cursor-not-allowed'
-  }
-  return 'cursor-pointer'
-}
-
-// 호버 효과 클래스 생성
-const getHoverEffectClasses = (
-  size: ButtonSize,
-  disabled: boolean,
-  variant: ButtonVariant
-) => {
-  const config = buttonConfig[size]
-  if (disabled) {
-    // disabled 상태에서 variant에 따라 다른 오버레이 색상
-    const overlayColor = variant === 'primary' ? 'bg-black' : 'bg-white'
-    return `absolute inset-0 -m-px ${overlayColor} opacity-20 transition-opacity duration-200 z-10 ${config.rounded}`
-  }
-  return `absolute inset-0 -m-px bg-white opacity-0 group-hover:opacity-20 transition-opacity duration-200 ${config.rounded}`
-}
+const currentConfig = computed(() => BUTTON_CONFIGS[props.size])
+const buttonClasses = computed(() => [
+  'group relative inline-flex items-center justify-center font-medium border border-gray-600/30 overflow-hidden',
+  `${currentConfig.value.padding} ${currentConfig.value.height} ${currentConfig.value.text} ${currentConfig.value.rounded}`,
+  props.disabled ? 'cursor-default' : 'cursor-pointer',
+])
+const buttonStyles = computed(() => ({
+  backgroundColor: props.backgroundColor,
+  color: props.textColor,
+}))
+const overlayClasses = computed(() => [
+  'absolute inset-0 -m-px transition-opacity duration-200',
+  props.disabled
+    ? 'opacity-20 z-10'
+    : 'bg-white opacity-0 group-hover:opacity-20',
+  currentConfig.value.rounded,
+])
+const overlayDisabledStyles = computed(
+  () =>
+    props.disabled && {
+      backgroundColor: props.textColor,
+    }
+)
+const contentDisabledStyles = computed(() => props.disabled && { opacity: 0.2 })
 </script>
 
 <template>
   <button
-    :class="[
-      // 기본 스타일
-      'group relative inline-flex items-center justify-center font-medium transition-all duration-200 border border-gray-600/30 overflow-hidden',
-      // 크기별 스타일
-      getSizeClasses(props.size),
-      // 변형별 스타일 (disabled 상태가 아닐 때만 적용, 커스텀 색상이 없을 때만)
-      !props.disabled && !props.backgroundColor
-        ? variantStyles[props.variant]
-        : '',
-      // 상태별 스타일
-      getStateClasses(props.disabled),
-      // 외부 클래스 (최우선 적용)
-      attrs.class,
-    ]"
-    :style="{
-      backgroundColor: props.backgroundColor || undefined,
-      color: props.textColor || undefined,
-    }"
+    :class="buttonClasses"
+    :style="buttonStyles"
     :disabled="props.disabled"
-    v-bind="attrs"
   >
     <!-- 호버 효과 / Disabled 오버레이 -->
-    <span
-      :class="getHoverEffectClasses(props.size, props.disabled, props.variant)"
-    />
+    <span :class="overlayClasses" :style="overlayDisabledStyles" />
 
     <!-- 버튼 내용 -->
-    <span class="relative flex items-center gap-2 z-20">
+    <span
+      class="relative flex items-center gap-2"
+      :style="contentDisabledStyles"
+    >
       <slot />
       <span v-if="props.icon" class="flex-shrink-0" v-html="props.icon" />
     </span>
diff --git a/layers/types/components/button.ts b/layers/types/components/button.ts
new file mode 100644
index 0000000..88d0de7
--- /dev/null
+++ b/layers/types/components/button.ts
@@ -0,0 +1,19 @@
+// 버튼 크기 타입
+export type ButtonSize = 'large' | 'medium' | 'small' | 'extra-small'
+
+// 버튼 설정 인터페이스
+export interface ButtonConfig {
+  padding: string
+  height: string
+  text: string
+  rounded: string
+}
+
+// Button 컴포넌트 Props 인터페이스
+export interface ButtonProps {
+  size?: ButtonSize
+  backgroundColor?: string
+  textColor?: string
+  icon?: string
+  disabled?: boolean
+}