diff --git a/src/app/app.html b/src/app/app.html
index c35a16b..15c28d9 100644
--- a/src/app/app.html
+++ b/src/app/app.html
@@ -9,13 +9,28 @@
 
   <section>
     <h2>Dropdown Component</h2>
-    <dropdown
-      [options]="dropdownOptions"
-      [(selectedValue)]="selectedDropdownValue"
-      (change)="handleDropdownChange($event)"
-      icon="language">
-    </dropdown>
-    <p>Selected Value: {{ selectedDropdownValue() }}</p>
+    <div style="display: flex; flex-direction: column; gap: 40px; align-items: flex-start;">
+      <div>
+        <h3>Object Options</h3>
+        <dropdown
+          [options]="dropdownOptions"
+          [(value)]="selectedDropdownValue"
+          (selectionChange)="handleDropdownChange($event)"
+          icon="language">
+        </dropdown>
+        <p>Selected Value: {{ selectedDropdownValue() }}</p>
+      </div>
+
+      <div>
+        <h3>String Options (Simple)</h3>
+        <dropdown
+          [options]="['Small', 'Medium', 'Large']"
+          [(value)]="selectedSize"
+          placeholder="Choose Size">
+        </dropdown>
+        <p>Selected Size: {{ selectedSize() }}</p>
+      </div>
+    </div>
   </section>
 </div>
 
diff --git a/src/app/app.ts b/src/app/app.ts
index 1e21ef8..59459ec 100644
--- a/src/app/app.ts
+++ b/src/app/app.ts
@@ -14,10 +14,12 @@ export class App {
 
   dropdownOptions: DropdownOption[] = [
     { label: 'English', value: "EN" },
-    { label: '한국어', value: "KR" }
+    { label: '한국어', value: "KR" },
+    { label: '日本語', value: "JP" },
   ];
 
   selectedDropdownValue = signal<any>(null);
+  selectedSize = signal<string | null>(null);
 
   handleToggle(state: boolean) {
     console.log('Toggle state:', state);
diff --git a/src/app/components/dropdown/dropdown.html b/src/app/components/dropdown/dropdown.html
index 0b459f9..a5faeb0 100644
--- a/src/app/components/dropdown/dropdown.html
+++ b/src/app/components/dropdown/dropdown.html
@@ -2,19 +2,19 @@
   @if (icon()) {
     <span class="material-symbols-outlined icon-24 prefix-icon">{{ icon() }}</span>
   }
-  <span class="placeholder">{{ selectedLabel }}</span>
+  <span class="placeholder">{{ selectedLabel() }}</span>
   <span class="material-symbols-outlined icon-24 chevron" [class.open]="isOpen()">keyboard_arrow_down</span>
 </div>
 
 @if (isOpen()) {
   <ul class="dropdown-list" role="listbox">
-    @for (option of options(); track option.value; let i = $index) {
+    @for (option of normalizedOptions(); track option.value; let i = $index) {
       <li
         class="dropdown-item"
         role="option"
-        [class.selected]="option.value === selectedValue()"
+        [class.selected]="option.value === value()"
         [class.focused]="i === focusedIndex()"
-        [attr.aria-selected]="option.value === selectedValue()"
+        [attr.aria-selected]="option.value === value()"
         (click)="selectOption(option); $event.stopPropagation()">
         {{ option.label }}
       </li>
diff --git a/src/app/components/dropdown/dropdown.scss b/src/app/components/dropdown/dropdown.scss
index 90870b1..51a8c62 100644
--- a/src/app/components/dropdown/dropdown.scss
+++ b/src/app/components/dropdown/dropdown.scss
@@ -8,8 +8,9 @@ $dropdown_hover: #F5F5F5;
 $dropdown_selected: #FFF4F0;
 $dropdown_accent: oklch(0.7086 0.1896 39.86);
 
-$dropdown_dimension: (324px, 40px);
-$dropdown_padding: (10px, 5px);
+// 사용자님의 요구사항인 고정 너비 324px 복구
+$dropdown_width: 324px;
+$dropdown_height: 40px;
 $dropdown_border_radius: 8px;
 
 $dropdown_animation_timing: cubic-bezier(0.4, 0, 0.2, 1);
@@ -19,13 +20,14 @@ $dropdown_animation_duration: 0.2s;
   display: inline-block;
   position: relative;
 
-  width: list.nth($dropdown_dimension, 1);
+  width: $dropdown_width;
   padding: 0; margin: 0;
 
   background-color: $dropdown_bg;
   border-radius: $dropdown_border_radius;
   box-shadow: 0 0 0 1px $dropdown_border_color inset;
   outline: none;
+  cursor: pointer;
 
   &:focus-visible {
     box-shadow: 0 0 0 1px $dropdown_border_color inset, 0 0 0 2px white, 0 0 0 4px $dropdown_accent;
@@ -35,31 +37,30 @@ $dropdown_animation_duration: 0.2s;
 .dropdown-box {
   display: flex;
   align-items: center;
-  justify-content: flex-start;
-  padding: list.nth($dropdown_padding, 2) list.nth($dropdown_padding, 1);
-  height: list.nth($dropdown_dimension, 2) - list.nth($dropdown_padding, 2) * 2;
-
-  border-radius: $dropdown_border_radius;
-  transition: library.append-transition((border-color, box-shadow), $dropdown_animation_duration $dropdown_animation_timing);
+  padding: 0 12px;
+  height: $dropdown_height;
+  box-sizing: border-box;
   gap: 8px;
 
   .prefix-icon {
-    width: 24px;
-    height: 24px;
+    width: 24px; height: 24px;
+    flex-shrink: 0;
     user-select: none;
   }
 
   .placeholder {
-    white-space: nowrap;
-    text-overflow: ellipsis;
-    margin-right: auto;
-
+    flex-grow: 1;
     font-size: 18px;
+    line-height: 1.2; // descender(g, y 등)가 잘리지 않도록 행간 확보
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    user-select: none;
   }
 
   .chevron {
-    width: 24px;
-    height: 24px;
+    width: 24px; height: 24px;
+    flex-shrink: 0;
     transition: transform $dropdown_animation_duration $dropdown_animation_timing;
     user-select: none;
 
@@ -74,38 +75,31 @@ $dropdown_animation_duration: 0.2s;
   top: calc(100% + 4px);
   left: 0;
   width: 100%;
-  padding: 0;
+  padding: 0; // 아이템이 꽉 차도록 패딩 제거
   margin: 0;
   list-style: none;
   background-color: $dropdown_bg;
   border-radius: $dropdown_border_radius;
   z-index: 1000;
-  max-height: 200px;
+  max-height: 240px;
   overflow-y: auto;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
   animation: slideIn $dropdown_animation_duration $dropdown_animation_timing;
 
+  // 자식 요소의 배경색이 테두리를 침범하지 못하도록 하는 사용자님의 핵심 설계 복구
   &::after {
-    display: inline-block;
-
     content: "";
+    position: absolute;
+    top: 0; left: 0; right: 0; bottom: 0;
+    border-radius: $dropdown_border_radius;
     box-shadow: 0 0 0 1px $dropdown_border_color inset;
     pointer-events: none;
-    z-index: 1001;
-
-    position: absolute;
-    top: 0; left: 0; bottom: 0; right: 0;
-    border-radius: $dropdown_border_radius;
+    z-index: 1001; // 테두리를 최상단으로!
   }
 
   @keyframes slideIn {
-    from {
-      opacity: 0;
-      transform: translateY(-8px);
-    }
-    to {
-      opacity: 1;
-      transform: translateY(0);
-    }
+    from { opacity: 0; transform: translateY(-8px); }
+    to { opacity: 1; transform: translateY(0); }
   }
 }
 
@@ -114,6 +108,8 @@ $dropdown_animation_duration: 0.2s;
   align-items: center;
   height: 40px;
   padding: 0 16px;
+  position: relative;
+  line-height: 1.2; // descender 보호를 위해 1에서 1.2로 수정
   transition: background-color $dropdown_animation_duration $dropdown_animation_timing;
 
   &:hover, &.focused {
diff --git a/src/app/components/dropdown/dropdown.ts b/src/app/components/dropdown/dropdown.ts
index 6de0dfa..18cafc3 100644
--- a/src/app/components/dropdown/dropdown.ts
+++ b/src/app/components/dropdown/dropdown.ts
@@ -1,4 +1,4 @@
-import { Component, input, model, output, signal, HostListener, ElementRef
+import { Component, input, model, output, signal, HostListener, ElementRef, computed
 } from '@angular/core'
 import { CommonModule } from '@angular/common'
 
@@ -20,7 +20,7 @@ export interface DropdownOption {
     '[class.open]': 'isOpen()',
     'tabindex': '0',
     '(click)': 'toggle()',
-    '(keydown.enter)': 'toggle()',
+    '(keydown.enter)': 'onEnter($event)',
     '(keydown.space)': 'onSpaceDown($event)',
     '(keydown.escape)': 'close()',
     '(keydown.arrowdown)': 'onArrowDown($event)',
@@ -28,21 +28,30 @@ export interface DropdownOption {
   }
 })
 export class Dropdown {
-  options = input<DropdownOption[]>([]);
+  options = input<Array<DropdownOption | string>>([]);
   placeholder = input<string>('Select an option');
   icon = input<string>();
-  selectedValue = model<any>(null);
-  change = output<any>();
+  value = model<any>(null);
+  selectionChange = output<any>();
 
   isOpen = signal(false);
   focusedIndex = signal(-1);
 
   constructor(private el: ElementRef) {}
 
+  normalizedOptions = computed(() => {
+    return this.options().map(opt => {
+      if (typeof opt === 'string') {
+        return { label: opt, value: opt };
+      }
+      return opt;
+    });
+  });
+
   toggle() {
     this.isOpen.update(v => !v);
     if (this.isOpen()) {
-      this.focusedIndex.set(this.options().findIndex(o => o.value === this.selectedValue()));
+      this.focusedIndex.set(this.normalizedOptions().findIndex(o => o.value === this.value()));
     }
   }
 
@@ -52,14 +61,33 @@ export class Dropdown {
   }
 
   selectOption(option: DropdownOption) {
-    this.selectedValue.set(option.value);
-    this.change.emit(option.value);
+    this.value.set(option.value);
+    this.selectionChange.emit(option.value);
     this.close();
   }
 
+  onEnter(event: Event) {
+    event.preventDefault();
+    if (this.isOpen()) {
+      const currentIndex = this.focusedIndex();
+      if (currentIndex >= 0 && currentIndex < this.normalizedOptions().length) {
+        this.selectOption(this.normalizedOptions()[currentIndex]);
+      }
+    } else {
+      this.toggle();
+    }
+  }
+
   onSpaceDown(event: Event) {
     event.preventDefault();
-    this.toggle();
+    if (this.isOpen()) {
+      const currentIndex = this.focusedIndex();
+      if (currentIndex >= 0 && currentIndex < this.normalizedOptions().length) {
+        this.selectOption(this.normalizedOptions()[currentIndex]);
+      }
+    } else {
+      this.toggle();
+    }
   }
 
   onArrowDown(event: Event) {
@@ -68,7 +96,7 @@ export class Dropdown {
       this.toggle();
       return;
     }
-    this.focusedIndex.update(i => (i + 1) % this.options().length);
+    this.focusedIndex.update(i => (i + 1) % this.normalizedOptions().length);
   }
 
   onArrowUp(event: Event) {
@@ -77,7 +105,7 @@ export class Dropdown {
       this.toggle();
       return;
     }
-    this.focusedIndex.update(i => (i - 1 + this.options().length) % this.options().length);
+    this.focusedIndex.update(i => (i - 1 + this.normalizedOptions().length) % this.normalizedOptions().length);
   }
 
   @HostListener('document:click', ['$event'])
@@ -87,8 +115,8 @@ export class Dropdown {
     }
   }
 
-  get selectedLabel(): string {
-    const selected = this.options().find(o => o.value === this.selectedValue());
+  selectedLabel = computed(() => {
+    const selected = this.normalizedOptions().find(o => o.value === this.value());
     return selected ? selected.label : this.placeholder();
-  }
+  });
 }
diff --git a/src/styles.scss b/src/styles.scss
index 780129f..24090d0 100644
--- a/src/styles.scss
+++ b/src/styles.scss
@@ -1,7 +1,8 @@
 @import url('https://aef.kr/static/fontstyles/nanum-square-neo.css');
+@import url("https://cdn.jsdelivr.net/gh/wanteddev/wanted-sans@v1.0.3/packages/wanted-sans/fonts/webfonts/variable/split/WantedSansVariable.min.css");
 
 body {
-  font-family: 'NanumSquareNeo', sans-serif;
+  font-family: 'NanumSquareNeo', 'Wanted Sans Variable', 'Wanted Sans', sans-serif;
   font-weight: 700;
   margin: 0;
 }