diff --git a/Assets/_DDD/_Scripts/RestaurantEvent/InteractableHighlight.cs b/Assets/_DDD/_Scripts/RestaurantEvent/InteractableHighlight.cs
index e98a86ffc..8c77ccd52 100644
--- a/Assets/_DDD/_Scripts/RestaurantEvent/InteractableHighlight.cs
+++ b/Assets/_DDD/_Scripts/RestaurantEvent/InteractableHighlight.cs
@@ -1,7 +1,7 @@
 using System.Collections.Generic;
 using UnityEngine;
+using Sirenix.OdinInspector;
 using QualityLevel = HighlightPlus.QualityLevel;
-
 using HighlightPlus;
 
 namespace DDD
@@ -15,10 +15,13 @@ public enum InteractionOutlineType
         Objective
     }
 
+    [System.Serializable]
     public struct InteractionOutlineData
     {
         public Color Color;
+        [Range(0.1f, 5f)]
         public float Width;
+        [Range(0f, 1f)]
         public float Opacity;
     }
     
@@ -27,32 +30,77 @@ public struct InteractionOutlineData
     [AddComponentMenu("DDD/Interaction/InteractableHighlight")]
     public class InteractableHighlight : MonoBehaviour
     {
-        public static Dictionary<InteractionOutlineType, InteractionOutlineData> OutlineData = new()
-        {
-            {InteractionOutlineType.Available, new InteractionOutlineData() {Color = Color.white, Width = 0.5f, Opacity = 1f}},
-            {InteractionOutlineType.Focused, new InteractionOutlineData() {Color = Color.yellow, Width = 0.5f, Opacity = 1f}},
-            {InteractionOutlineType.Unavailable, new InteractionOutlineData() {Color = Color.gray, Width = 0.5f, Opacity = 1f}},
-            {InteractionOutlineType.Objective, new InteractionOutlineData() {Color = Color.cyan, Width = 0.5f, Opacity = 1f}},
-            {InteractionOutlineType.None, new InteractionOutlineData() {Color = Color.clear, Width = 0.5f, Opacity = 0f}}
-        };
+        [Title("Outline Styles")]
+        [SerializeField] private InteractionOutlineData _availableStyle = new() {Color = Color.white, Width = 1f, Opacity = 1f};
+        [SerializeField] private InteractionOutlineData _focusedStyle = new() {Color = Color.yellow, Width = 1f, Opacity = 1f};
+        [SerializeField] private InteractionOutlineData _unavailableStyle = new() {Color = Color.gray, Width = 0.5f, Opacity = 1f};
+        [SerializeField] private InteractionOutlineData _objectiveStyle = new() {Color = Color.cyan, Width = 1f, Opacity = 1f};
+        
+        [Title("Animation Settings")]
+        [SerializeField, Range(0.5f, 10f)] private float _breathingSpeed = 2f;
+        [SerializeField, Range(0.1f, 1f)] private float _breathingRange = 0.3f;
+        [SerializeField] private bool _enableBreathingEffect = true;
+        
+        [Title("Highlight Component Settings")]
+        [SerializeField, Range(0f, 1f)] private float _alphaCutOff = 0.5f;
+        [SerializeField] private bool _combineMeshes = true;
+        [SerializeField] private bool _constantWidth = true;
+        [SerializeField] private QualityLevel _outlineQuality = QualityLevel.Highest;
+        [SerializeField] private bool _outlineIndependent = true;
+        [SerializeField, Range(0, 4)] private int _outlineBlurPasses = 1;
+        [SerializeField, Range(1f, 20f)] private float _outlineSharpness = 8f;
+        
+        [Title("Debug")]
+        [SerializeField, ReadOnly] private InteractionOutlineType _currentOutlineType;
+        [SerializeField, ReadOnly] private float _currentOpacityMultiplier = 1f;
 
+        // 런타임에 생성되는 딕셔너리
+        private Dictionary<InteractionOutlineType, InteractionOutlineData> _outlineData;
+        
+        // Private runtime variables
+        private float _opacityMultiply = 1.0f;
+        private float _breathingTime;
         private HighlightEffect _highlightComponent;
         private RestaurantInteractionComponent _interactionComponent;
         private IInteractor _interactor;
+        private InteractionOutlineType _lastAppliedType = InteractionOutlineType.None;
+
         private void Awake()
         {
+            // OutlineData 딕셔너리 초기화
+            InitializeOutlineData();
+            
             // Cache HighlightEffect
             _highlightComponent = GetComponent<HighlightPlus.HighlightEffect>();
             _interactionComponent = GetComponent<RestaurantInteractionComponent>();
             
-            // highlightEffect에 alphaCutoff, constantWidth, combineMeshes, outlineQuality, outlineIndependent 등의 필수 옵션이 켜져있는지 확인
-            _highlightComponent.alphaCutOff = 0.5f;
-            _highlightComponent.combineMeshes = true;
-            _highlightComponent.constantWidth = true;
-            _highlightComponent.outlineQuality = QualityLevel.Highest;
-            _highlightComponent.outlineIndependent = true;
-            _highlightComponent.outlineBlurPasses = 1;
-            _highlightComponent.outlineSharpness = 8;
+            // HighlightEffect 설정 적용
+            ApplyHighlightSettings();
+        }
+
+        private void InitializeOutlineData()
+        {
+            _outlineData = new Dictionary<InteractionOutlineType, InteractionOutlineData>
+            {
+                {InteractionOutlineType.Available, _availableStyle},
+                {InteractionOutlineType.Focused, _focusedStyle},
+                {InteractionOutlineType.Unavailable, _unavailableStyle},
+                {InteractionOutlineType.Objective, _objectiveStyle},
+                {InteractionOutlineType.None, new InteractionOutlineData() {Color = Color.clear, Width = 0.5f, Opacity = 0f}}
+            };
+        }
+
+        private void ApplyHighlightSettings()
+        {
+            if (!_highlightComponent) return;
+            
+            _highlightComponent.alphaCutOff = _alphaCutOff;
+            _highlightComponent.combineMeshes = _combineMeshes;
+            _highlightComponent.constantWidth = _constantWidth;
+            _highlightComponent.outlineQuality = _outlineQuality;
+            _highlightComponent.outlineIndependent = _outlineIndependent;
+            _highlightComponent.outlineBlurPasses = _outlineBlurPasses;
+            _highlightComponent.outlineSharpness = _outlineSharpness;
         }
 
         private void Update()
@@ -60,9 +108,35 @@ private void Update()
             FetchPlayerInteractorComponent();
             
             var currentType = GetCurrentOutlineType();
+            _currentOutlineType = currentType; // 디버그용
+            
+            if (_enableBreathingEffect)
+            {
+                UpdateBreathingEffect(currentType);
+            }
+            else
+            {
+                _opacityMultiply = 1f;
+                _breathingTime = 0f;
+            }
+            
+            _currentOpacityMultiplier = _opacityMultiply; // 디버그용
             ApplyOutlineType(currentType);
-            
-            
+        }
+
+        private void UpdateBreathingEffect(InteractionOutlineType type)
+        {
+            if (type == InteractionOutlineType.Available || type == InteractionOutlineType.Focused)
+            {
+                _breathingTime += Time.deltaTime;
+                float sin01 = (Mathf.Sin(_breathingTime * _breathingSpeed) + 1) / 2;
+                _opacityMultiply = 1f - _breathingRange + sin01 * _breathingRange;
+            }
+            else
+            {
+                _opacityMultiply = 1f;
+                _breathingTime = 0f;
+            }
         }
 
         private void FetchPlayerInteractorComponent()
@@ -108,24 +182,22 @@ private InteractionOutlineType GetCurrentOutlineType()
             }
         }
 
-        private InteractionOutlineType lastAppliedType = InteractionOutlineType.None;
-
         private void ApplyOutlineType(InteractionOutlineType type)
         {
             // 같은 타입이면 불필요한 프로퍼티 세팅을 피함
-            if (lastAppliedType == type)
+            if (_lastAppliedType == type && _enableBreathingEffect == false)
                 return;
 
-            lastAppliedType = type;
+            _lastAppliedType = type;
 
             if (!_highlightComponent)
                 return;
 
             // OutlineData에서 해당 타입의 스타일 가져오기
-            if (!OutlineData.TryGetValue(type, out var data))
+            if (!_outlineData.TryGetValue(type, out var data))
             {
                 // 데이터가 없으면 None 타입 적용
-                data = OutlineData[InteractionOutlineType.None];
+                data = _outlineData[InteractionOutlineType.None];
             }
 
             // HighlightEffect에 적용
@@ -137,9 +209,12 @@ private void ApplyOutlineType(InteractionOutlineType type)
             else
             {
                 _highlightComponent.highlighted = true;
-                _highlightComponent.outlineColor = data.Color;
+                Color color = data.Color;
+                // color.a = data.Opacity * _opacityMultiply;
+                color *= _opacityMultiply;
+                _highlightComponent.outlineColor = color;
                 _highlightComponent.outlineWidth = data.Width;
-                _highlightComponent.outline = data.Opacity * opacityMultiply;
+                _highlightComponent.outline = 1;
             }
         }
 
@@ -161,5 +236,18 @@ private bool CanExecuteInteraction()
             }
             return _interactor.CanInteractTo(_interactionComponent);
         }
+
+        // 런타임에 스타일 변경을 위한 메서드들
+        [Button("Refresh Outline Data")]
+        private void RefreshOutlineData()
+        {
+            InitializeOutlineData();
+        }
+
+        [Button("Apply Highlight Settings")]
+        private void ApplyHighlightSettingsButton()
+        {
+            ApplyHighlightSettings();
+        }
     }
 }
\ No newline at end of file