diff --git a/src/components/hr/AttendanceManagement/AttendanceInfoDialog.tsx b/src/components/hr/AttendanceManagement/AttendanceInfoDialog.tsx
index 97ecbd8f..80e25776 100644
--- a/src/components/hr/AttendanceManagement/AttendanceInfoDialog.tsx
+++ b/src/components/hr/AttendanceManagement/AttendanceInfoDialog.tsx
@@ -94,20 +94,20 @@ export function AttendanceInfoDialog({
 
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent className="max-w-md">
+      <DialogContent className="max-w-md max-h-[78vh] !grid !grid-rows-[auto_1fr_auto] !overflow-hidden p-4 sm:p-6">
         <DialogHeader>
           <DialogTitle>{title}</DialogTitle>
         </DialogHeader>
 
-        <div className="space-y-4 py-4">
+        <div className="space-y-3 py-2 overflow-y-auto min-h-0">
           {/* 대상 선택 */}
-          <div className="flex items-center justify-between">
-            <Label className="text-sm font-medium min-w-[80px]">대상</Label>
+          <div className="flex items-center gap-3">
+            <Label className="text-sm font-medium shrink-0 w-[90px]">대상</Label>
             <Select
               value={formData.employeeId}
               onValueChange={(value) => handleChange('employeeId', value)}
             >
-              <SelectTrigger className="min-w-[200px] w-auto">
+              <SelectTrigger className="flex-1 min-w-0">
                 <SelectValue placeholder="선택" />
               </SelectTrigger>
               <SelectContent>
@@ -121,25 +121,25 @@ export function AttendanceInfoDialog({
           </div>
 
           {/* 기준일 */}
-          <div className="flex items-center justify-between">
-            <Label className="text-sm font-medium min-w-[80px]">기준일</Label>
+          <div className="flex items-center gap-3">
+            <Label className="text-sm font-medium shrink-0 w-[90px]">기준일</Label>
             <DatePicker
               value={formData.baseDate}
               onChange={(date) => handleChange('baseDate', date)}
-              className="w-[200px]"
+              className="flex-1 min-w-0"
               align="end"
             />
           </div>
 
           {/* 출근 시간 */}
-          <div className="flex items-center justify-between">
-            <Label className="text-sm font-medium min-w-[80px]">출근 시간</Label>
-            <div className="flex items-center gap-2">
+          <div className="flex items-center gap-3">
+            <Label className="text-sm font-medium shrink-0 w-[90px]">출근 시간</Label>
+            <div className="flex items-center gap-2 flex-1 min-w-0">
               <Select
                 value={formData.checkInHour}
                 onValueChange={(value) => handleChange('checkInHour', value)}
               >
-                <SelectTrigger className="min-w-[90px] w-auto">
+                <SelectTrigger className="flex-1 min-w-0">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
@@ -154,7 +154,7 @@ export function AttendanceInfoDialog({
                 value={formData.checkInMinute}
                 onValueChange={(value) => handleChange('checkInMinute', value)}
               >
-                <SelectTrigger className="min-w-[90px] w-auto">
+                <SelectTrigger className="flex-1 min-w-0">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
@@ -169,14 +169,14 @@ export function AttendanceInfoDialog({
           </div>
 
           {/* 퇴근 시간 */}
-          <div className="flex items-center justify-between">
-            <Label className="text-sm font-medium min-w-[80px]">퇴근 시간</Label>
-            <div className="flex items-center gap-2">
+          <div className="flex items-center gap-3">
+            <Label className="text-sm font-medium shrink-0 w-[90px]">퇴근 시간</Label>
+            <div className="flex items-center gap-2 flex-1 min-w-0">
               <Select
                 value={formData.checkOutHour}
                 onValueChange={(value) => handleChange('checkOutHour', value)}
               >
-                <SelectTrigger className="min-w-[90px] w-auto">
+                <SelectTrigger className="flex-1 min-w-0">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
@@ -191,7 +191,7 @@ export function AttendanceInfoDialog({
                 value={formData.checkOutMinute}
                 onValueChange={(value) => handleChange('checkOutMinute', value)}
               >
-                <SelectTrigger className="min-w-[90px] w-auto">
+                <SelectTrigger className="flex-1 min-w-0">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
@@ -206,14 +206,14 @@ export function AttendanceInfoDialog({
           </div>
 
           {/* 야간 연장 시간 */}
-          <div className="flex items-center justify-between">
-            <Label className="text-sm font-medium min-w-[80px]">야간 연장 시간</Label>
-            <div className="flex items-center gap-2">
+          <div className="flex items-center gap-3">
+            <Label className="text-sm font-medium shrink-0 w-[90px]">야간 연장</Label>
+            <div className="flex items-center gap-2 flex-1 min-w-0">
               <Select
                 value={formData.nightOvertimeHours}
                 onValueChange={(value) => handleChange('nightOvertimeHours', value)}
               >
-                <SelectTrigger className="min-w-[90px] w-auto">
+                <SelectTrigger className="flex-1 min-w-0">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
@@ -228,7 +228,7 @@ export function AttendanceInfoDialog({
                 value={formData.nightOvertimeMinutes}
                 onValueChange={(value) => handleChange('nightOvertimeMinutes', value)}
               >
-                <SelectTrigger className="min-w-[90px] w-auto">
+                <SelectTrigger className="flex-1 min-w-0">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
@@ -243,14 +243,14 @@ export function AttendanceInfoDialog({
           </div>
 
           {/* 주말 연장 시간 */}
-          <div className="flex items-center justify-between">
-            <Label className="text-sm font-medium min-w-[80px]">주말 연장 시간</Label>
-            <div className="flex items-center gap-2">
+          <div className="flex items-center gap-3">
+            <Label className="text-sm font-medium shrink-0 w-[90px]">주말 연장</Label>
+            <div className="flex items-center gap-2 flex-1 min-w-0">
               <Select
                 value={formData.weekendOvertimeHours}
                 onValueChange={(value) => handleChange('weekendOvertimeHours', value)}
               >
-                <SelectTrigger className="min-w-[90px] w-auto">
+                <SelectTrigger className="flex-1 min-w-0">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
@@ -265,7 +265,7 @@ export function AttendanceInfoDialog({
                 value={formData.weekendOvertimeMinutes}
                 onValueChange={(value) => handleChange('weekendOvertimeMinutes', value)}
               >
-                <SelectTrigger className="min-w-[90px] w-auto">
+                <SelectTrigger className="flex-1 min-w-0">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
diff --git a/src/components/hr/AttendanceManagement/ReasonInfoDialog.tsx b/src/components/hr/AttendanceManagement/ReasonInfoDialog.tsx
index f15aa96a..70bb1f95 100644
--- a/src/components/hr/AttendanceManagement/ReasonInfoDialog.tsx
+++ b/src/components/hr/AttendanceManagement/ReasonInfoDialog.tsx
@@ -60,20 +60,20 @@ export function ReasonInfoDialog({
 
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
-      <DialogContent className="max-w-md">
+      <DialogContent className="max-w-md p-4 sm:p-6">
         <DialogHeader>
           <DialogTitle>사유 정보</DialogTitle>
         </DialogHeader>
 
-        <div className="space-y-4 py-4">
+        <div className="space-y-3 py-2">
           {/* 대상 선택 */}
-          <div className="flex items-center justify-between">
-            <Label className="text-sm font-medium min-w-[80px]">대상</Label>
+          <div className="flex items-center gap-3">
+            <Label className="text-sm font-medium shrink-0 w-[60px]">대상</Label>
             <Select
               value={formData.employeeId}
               onValueChange={(value) => handleChange('employeeId', value)}
             >
-              <SelectTrigger className="min-w-[200px] w-auto">
+              <SelectTrigger className="flex-1 min-w-0">
                 <SelectValue placeholder="선택" />
               </SelectTrigger>
               <SelectContent>
@@ -87,24 +87,24 @@ export function ReasonInfoDialog({
           </div>
 
           {/* 기준일 */}
-          <div className="flex items-center justify-between">
-            <Label className="text-sm font-medium min-w-[80px]">기준일</Label>
+          <div className="flex items-center gap-3">
+            <Label className="text-sm font-medium shrink-0 w-[60px]">기준일</Label>
             <DatePicker
               value={formData.baseDate}
               onChange={(date) => handleChange('baseDate', date)}
-              className="w-[200px]"
+              className="flex-1 min-w-0"
               align="end"
             />
           </div>
 
           {/* 유형 선택 */}
-          <div className="flex items-center justify-between">
-            <Label className="text-sm font-medium min-w-[80px]">유형</Label>
+          <div className="flex items-center gap-3">
+            <Label className="text-sm font-medium shrink-0 w-[60px]">유형</Label>
             <Select
               value={formData.reasonType}
               onValueChange={(value) => handleChange('reasonType', value)}
             >
-              <SelectTrigger className="min-w-[200px] w-auto">
+              <SelectTrigger className="flex-1 min-w-0">
                 <SelectValue placeholder="선택" />
               </SelectTrigger>
               <SelectContent>
diff --git a/src/components/hr/AttendanceManagement/index.tsx b/src/components/hr/AttendanceManagement/index.tsx
index 87793e34..30fe53e7 100644
--- a/src/components/hr/AttendanceManagement/index.tsx
+++ b/src/components/hr/AttendanceManagement/index.tsx
@@ -335,7 +335,7 @@ export function AttendanceManagement() {
 
   const handleSubmitReason = useCallback((data: ReasonFormData) => {
     // 문서 작성 화면으로 이동
-    router.push(`/ko/hr/documents/new?type=${data.reasonType}`);
+    router.push(`/ko/hr/documents/new?mode=new&type=${data.reasonType}`);
   }, [router]);
 
   // ===== 엑셀 컬럼 정의 =====
diff --git a/src/components/hr/CalendarManagement/index.tsx b/src/components/hr/CalendarManagement/index.tsx
index 5168961d..a17c1d9f 100644
--- a/src/components/hr/CalendarManagement/index.tsx
+++ b/src/components/hr/CalendarManagement/index.tsx
@@ -237,7 +237,7 @@ export function CalendarManagement() {
 
               {/* 테이블 */}
               <div className="rounded-md border overflow-x-auto">
-                <Table className="table-fixed">
+                <Table className="min-w-[700px]">
                   <TableHeader>
                     <TableRow>
                       {visibleColumns.map((col) => (
diff --git a/src/components/hr/CardManagement/CardDetail.tsx b/src/components/hr/CardManagement/CardDetail.tsx
index d9084515..0828d7cd 100644
--- a/src/components/hr/CardManagement/CardDetail.tsx
+++ b/src/components/hr/CardManagement/CardDetail.tsx
@@ -2,7 +2,7 @@
 
 import { useState, useEffect, useCallback } from 'react';
 import { useRouter, useSearchParams } from 'next/navigation';
-import { CreditCard, Save, Trash2, X, Edit, Loader2, ExternalLink } from 'lucide-react';
+import { CreditCard, Save, Trash2, X, Edit, Loader2, ExternalLink, ArrowLeft } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { CardNumberInput } from '@/components/ui/card-number-input';
 import { formatCardNumber } from '@/lib/formatters';
@@ -33,6 +33,7 @@ import {
   deleteCard,
   getActiveEmployees,
 } from './actions';
+import { useMenuStore } from '@/stores/menuStore';
 
 function formatExpiryDate(value: string): string {
   if (value && value.length === 4) {
@@ -102,6 +103,7 @@ interface CardDetailProps {
 export function CardDetail({ card, mode: initialMode, isLoading }: CardDetailProps) {
   const router = useRouter();
   const searchParams = useSearchParams();
+  const sidebarCollapsed = useMenuStore((state) => state.sidebarCollapsed);
   const [mode, setMode] = useState(initialMode);
   const [isSaving, setIsSaving] = useState(false);
   const [employees, setEmployees] = useState<Array<{ id: string; label: string }>>([]);
@@ -234,14 +236,14 @@ export function CardDetail({ card, mode: initialMode, isLoading }: CardDetailPro
       <PageLayout>
         <PageHeader title="카드 상세" description="카드 정보를 관리합니다" icon={CreditCard} />
 
-        <div className="space-y-6">
+        <div className="space-y-6 pb-20">
           {/* 기본 정보 */}
           <Card>
             <CardHeader>
               <CardTitle className="text-base">기본 정보</CardTitle>
             </CardHeader>
             <CardContent>
-              <dl className="grid grid-cols-2 md:grid-cols-4 gap-4">
+              <dl className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-4 gap-4">
                 <div>
                   <dt className="text-sm font-medium text-muted-foreground">카드사</dt>
                   <dd className="text-sm mt-1">{getCardCompanyLabel(card?.cardCompany || '')}</dd>
@@ -306,7 +308,7 @@ export function CardDetail({ card, mode: initialMode, isLoading }: CardDetailPro
               <CardTitle className="text-base">사용자 정보</CardTitle>
             </CardHeader>
             <CardContent>
-              <dl className="grid grid-cols-2 md:grid-cols-4 gap-4">
+              <dl className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-4 gap-4">
                 <div>
                   <dt className="text-sm font-medium text-muted-foreground">부서</dt>
                   <dd className="text-sm mt-1">{card?.user?.departmentName || '-'}</dd>
@@ -346,15 +348,27 @@ export function CardDetail({ card, mode: initialMode, isLoading }: CardDetailPro
             </CardContent>
           </Card>
 
-          {/* 하단 버튼 */}
-          <div className="flex items-center justify-end gap-2">
-            <Button variant="outline" onClick={() => deleteDialog.single.open(card!.id)} className="text-destructive hover:bg-destructive hover:text-destructive-foreground">
-              <Trash2 className="w-4 h-4 mr-2" />
-              삭제
+        </div>
+
+        {/* 하단 버튼 (sticky) */}
+        <div className={`fixed bottom-4 left-4 right-4 px-4 py-3 bg-background/95 backdrop-blur rounded-xl border shadow-lg z-50 transition-all duration-300 md:bottom-6 md:px-6 md:right-[48px] ${sidebarCollapsed ? 'md:left-[156px]' : 'md:left-[316px]'} flex items-center justify-between`}>
+          <Button variant="outline" onClick={handleBack} size="sm" className="md:size-default">
+            <ArrowLeft className="h-4 w-4 md:mr-2" />
+            <span className="hidden md:inline">목록으로</span>
+          </Button>
+          <div className="flex items-center gap-1 md:gap-2">
+            <Button
+              variant="outline"
+              onClick={() => deleteDialog.single.open(card!.id)}
+              size="sm"
+              className="text-destructive hover:bg-destructive hover:text-destructive-foreground md:size-default"
+            >
+              <Trash2 className="h-4 w-4 md:mr-2" />
+              <span className="hidden md:inline">삭제</span>
             </Button>
-            <Button onClick={handleEdit}>
-              <Edit className="w-4 h-4 mr-2" />
-              수정
+            <Button onClick={handleEdit} size="sm" className="md:size-default">
+              <Edit className="h-4 w-4 md:mr-2" />
+              <span className="hidden md:inline">수정</span>
             </Button>
           </div>
         </div>
@@ -387,7 +401,7 @@ export function CardDetail({ card, mode: initialMode, isLoading }: CardDetailPro
         icon={CreditCard}
       />
 
-      <div className="space-y-6">
+      <div className="space-y-6 pb-20">
         {/* 기본 정보 */}
         <Card>
           <CardHeader>
@@ -395,7 +409,7 @@ export function CardDetail({ card, mode: initialMode, isLoading }: CardDetailPro
           </CardHeader>
           <CardContent className="space-y-4">
             {/* Row 1: 카드사 | 종류 | 카드번호 | 카드명 */}
-            <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+            <div className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-4 gap-4">
               <FormField
                 label="카드사"
                 required
@@ -435,7 +449,7 @@ export function CardDetail({ card, mode: initialMode, isLoading }: CardDetailPro
             </div>
 
             {/* Row 2: 카드 별칭 | 유효기간 | CSV | 결제일 */}
-            <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+            <div className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-4 gap-4">
               <FormField
                 label="카드 별칭"
                 value={formData.alias}
@@ -471,7 +485,7 @@ export function CardDetail({ card, mode: initialMode, isLoading }: CardDetailPro
             </div>
 
             {/* Row 3: 총 한도 | 사용 금액 | 잔여한도 | 상태 */}
-            <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+            <div className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-4 gap-4">
               <FormField
                 label="총 한도"
                 type="currency"
@@ -518,7 +532,7 @@ export function CardDetail({ card, mode: initialMode, isLoading }: CardDetailPro
             <CardTitle className="text-base">사용자 정보</CardTitle>
           </CardHeader>
           <CardContent>
-            <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+            <div className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-4 gap-4">
               <FormField
                 label="부서 / 사용자 / 직책"
                 type="select"
@@ -543,21 +557,22 @@ export function CardDetail({ card, mode: initialMode, isLoading }: CardDetailPro
           </CardContent>
         </Card>
 
-        {/* 하단 버튼 */}
-        <div className="flex items-center justify-between">
-          <Button variant="outline" onClick={handleCancel}>
-            <X className="w-4 h-4 mr-2" />
-            취소
-          </Button>
-          <Button onClick={handleSubmit} disabled={isSaving}>
-            {isSaving ? (
-              <Loader2 className="h-4 w-4 mr-2 animate-spin" />
-            ) : (
-              <Save className="w-4 h-4 mr-2" />
-            )}
-            {isCreateMode ? '등록' : '저장'}
-          </Button>
-        </div>
+      </div>
+
+      {/* 하단 버튼 (sticky) */}
+      <div className={`fixed bottom-4 left-4 right-4 px-4 py-3 bg-background/95 backdrop-blur rounded-xl border shadow-lg z-50 transition-all duration-300 md:bottom-6 md:px-6 md:right-[48px] ${sidebarCollapsed ? 'md:left-[156px]' : 'md:left-[316px]'} flex items-center justify-between`}>
+        <Button variant="outline" onClick={handleCancel} size="sm" className="md:size-default">
+          <X className="h-4 w-4 md:mr-2" />
+          <span className="hidden md:inline">취소</span>
+        </Button>
+        <Button onClick={handleSubmit} disabled={isSaving} size="sm" className="md:size-default">
+          {isSaving ? (
+            <Loader2 className="h-4 w-4 md:mr-2 animate-spin" />
+          ) : (
+            <Save className="h-4 w-4 md:mr-2" />
+          )}
+          <span className="hidden md:inline">{isCreateMode ? '등록' : '저장'}</span>
+        </Button>
       </div>
     </PageLayout>
   );
diff --git a/src/components/hr/CardManagement/index.tsx b/src/components/hr/CardManagement/index.tsx
index 3d00550b..59abca3e 100644
--- a/src/components/hr/CardManagement/index.tsx
+++ b/src/components/hr/CardManagement/index.tsx
@@ -75,7 +75,7 @@ export function CardManagement() {
 
   // ===== 핸들러 =====
   const handleRowClick = useCallback((item: CardType) => {
-    router.push(`/ko/hr/card-management/${item.id}`);
+    router.push(`/ko/hr/card-management/${item.id}?mode=view`);
   }, [router]);
 
   const handleCreate = useCallback(() => {
@@ -263,6 +263,7 @@ export function CardManagement() {
               {CARD_STATUS_LABELS[item.status]}
             </Badge>
           }
+          showCheckbox={false}
           isSelected={false}
           onToggleSelection={() => {}}
           onClick={() => handleRowClick(item)}
diff --git a/src/components/hr/DepartmentManagement/DepartmentToolbar.tsx b/src/components/hr/DepartmentManagement/DepartmentToolbar.tsx
index ee0d3e57..5f32fa0b 100644
--- a/src/components/hr/DepartmentManagement/DepartmentToolbar.tsx
+++ b/src/components/hr/DepartmentManagement/DepartmentToolbar.tsx
@@ -30,16 +30,13 @@ export function DepartmentToolbar({
       </div>
 
       {/* 선택 카운트 + 버튼 */}
-      <div className="flex items-center gap-3">
+      <div className="flex items-center gap-2 sm:gap-3 flex-wrap">
         <span className="text-sm text-muted-foreground whitespace-nowrap">
           전체 {totalCount}건
+          {selectedCount > 0 && (
+            <> / <span className="text-primary font-medium">{selectedCount}개 선택</span></>
+          )}
         </span>
-        {selectedCount > 0 && (
-          <>
-            <span className="text-sm text-muted-foreground">/</span>
-            <span className="text-sm text-primary font-medium whitespace-nowrap">{selectedCount}개 항목 선택됨</span>
-          </>
-        )}
         {selectedCount > 0 && (
           <Button
             size="sm"
diff --git a/src/components/hr/DepartmentManagement/DepartmentTree.tsx b/src/components/hr/DepartmentManagement/DepartmentTree.tsx
index 78d7bbde..6879475f 100644
--- a/src/components/hr/DepartmentManagement/DepartmentTree.tsx
+++ b/src/components/hr/DepartmentManagement/DepartmentTree.tsx
@@ -37,7 +37,6 @@ export function DepartmentTree({
             />
             <span className="font-medium text-sm">부서명</span>
           </div>
-          <div className="w-24 text-right font-medium text-sm">작업</div>
         </div>
 
         {/* 트리 아이템 목록 */}
diff --git a/src/components/hr/DepartmentManagement/DepartmentTreeItem.tsx b/src/components/hr/DepartmentManagement/DepartmentTreeItem.tsx
index 8a29a07d..c05b0042 100644
--- a/src/components/hr/DepartmentManagement/DepartmentTreeItem.tsx
+++ b/src/components/hr/DepartmentManagement/DepartmentTreeItem.tsx
@@ -3,7 +3,7 @@
 import { memo } from 'react';
 import { Checkbox } from '@/components/ui/checkbox';
 import { Button } from '@/components/ui/button';
-import { ChevronRight, ChevronDown, Plus, Pencil, Trash2 } from 'lucide-react';
+import { ChevronRight, ChevronDown, Plus, SquarePen, Trash2 } from 'lucide-react';
 import type { DepartmentTreeItemProps } from './types';
 
 /**
@@ -33,15 +33,15 @@ export const DepartmentTreeItem = memo(function DepartmentTreeItem({
     <>
       {/* 현재 행 */}
       <div
-        className="group flex items-center px-4 py-3 hover:bg-muted/50 transition-colors"
+        className="group px-4 py-3 hover:bg-muted/50 transition-colors"
         style={{ paddingLeft: `${paddingLeft + 16}px` }}
       >
-        <div className="flex items-center gap-2 flex-1 min-w-0">
+        <div className="flex items-center gap-2">
           {/* 펼침/접힘 버튼 */}
           <Button
             variant="ghost"
             size="sm"
-            className={`h-6 w-6 p-0 ${!hasChildren ? 'invisible' : ''}`}
+            className={`h-6 w-6 p-0 shrink-0 ${!hasChildren ? 'invisible' : ''}`}
             onClick={() => onToggleExpand(department.id)}
           >
             {isExpanded ? (
@@ -56,42 +56,44 @@ export const DepartmentTreeItem = memo(function DepartmentTreeItem({
             checked={isSelected}
             onCheckedChange={() => onToggleSelect(department.id)}
             aria-label={`${department.name} 선택`}
+            className="shrink-0"
           />
 
           {/* 부서명 */}
-          <span className="truncate">{department.name}</span>
+          <span className="break-words">{department.name}</span>
         </div>
 
-        {/* 작업 버튼 (호버 시 표시) */}
-        <div className="flex items-center gap-1 opacity-0 group-hover:opacity-100 transition-opacity">
-          <Button
-            variant="ghost"
-            size="sm"
-            className="h-7 w-7 p-0"
-            onClick={() => onAdd(department.id)}
-            title="하위 부서 추가"
-          >
-            <Plus className="h-4 w-4" />
-          </Button>
-          <Button
-            variant="ghost"
-            size="sm"
-            className="h-7 w-7 p-0"
-            onClick={() => onEdit(department)}
-            title="수정"
-          >
-            <Pencil className="h-4 w-4" />
-          </Button>
-          <Button
-            variant="ghost"
-            size="sm"
-            className="h-7 w-7 p-0 text-destructive hover:text-destructive"
-            onClick={() => onDelete(department)}
-            title="삭제"
-          >
-            <Trash2 className="h-4 w-4" />
-          </Button>
-        </div>
+        {/* 작업 버튼 (선택 시 부서명 아래에 표시, 데스크톱: 호버 시에도 표시) */}
+        {isSelected && (
+          <div className="flex items-center gap-1 mt-2 ml-10">
+            <Button
+              variant="ghost"
+              size="sm"
+              className="h-7 w-7 p-0"
+              onClick={() => onAdd(department.id)}
+              title="하위 부서 추가"
+            >
+              <Plus className="h-4 w-4" />
+            </Button>
+            <Button
+              size="icon"
+              className="h-7 w-7"
+              onClick={() => onEdit(department)}
+              title="수정"
+            >
+              <SquarePen className="h-4 w-4" />
+            </Button>
+            <Button
+              variant="ghost"
+              size="sm"
+              className="h-7 w-7 p-0 text-destructive hover:text-destructive"
+              onClick={() => onDelete(department)}
+              title="삭제"
+            >
+              <Trash2 className="h-4 w-4" />
+            </Button>
+          </div>
+        )}
       </div>
 
       {/* 하위 부서 (재귀) */}
diff --git a/src/components/hr/EmployeeManagement/EmployeeForm.tsx b/src/components/hr/EmployeeManagement/EmployeeForm.tsx
index 97c03d17..370ca0e0 100644
--- a/src/components/hr/EmployeeManagement/EmployeeForm.tsx
+++ b/src/components/hr/EmployeeManagement/EmployeeForm.tsx
@@ -569,7 +569,7 @@ export function EmployeeForm({
             </CardHeader>
             <CardContent className="pt-6 space-y-4">
               {/* 프로필 사진 + 사원코드/성별 */}
-              <div className="flex gap-6">
+              <div className="flex flex-col md:flex-row gap-6">
                 {/* 프로필 사진 영역 */}
                 {fieldSettings.showProfileImage && (
                   <div className="space-y-2 flex-shrink-0">
@@ -783,47 +783,50 @@ export function EmployeeForm({
                   <div className="space-y-2">
                     {formData.departmentPositions.map((dp) => (
                       <div key={dp.id} className="flex items-center gap-2">
-                        <Select
-                          value={dp.departmentId}
-                          onValueChange={(value) => handleDepartmentSelect(dp.id, value)}
-                          disabled={isViewMode}
-                        >
-                          <SelectTrigger className="flex-1" disabled={isViewMode}>
-                            <SelectValue placeholder="부서 선택">
-                              {dp.departmentName || '부서 선택'}
-                            </SelectValue>
-                          </SelectTrigger>
-                          <SelectContent>
-                            {departments.map((dept) => (
-                              <SelectItem key={dept.id} value={String(dept.id)}>
-                                <span style={{ fontFamily: 'monospace' }}>
-                                  {formatDepartmentName(dept.name, dept.depth)}
-                                </span>
-                              </SelectItem>
-                            ))}
-                          </SelectContent>
-                        </Select>
-                        <Select
-                          value={dp.positionId}
-                          onValueChange={(value) => handlePositionSelect(dp.id, value)}
-                          disabled={isViewMode}
-                        >
-                          <SelectTrigger className="flex-1" disabled={isViewMode}>
-                            <SelectValue placeholder="직책 선택">
-                              {dp.positionName || '직책 선택'}
-                            </SelectValue>
-                          </SelectTrigger>
-                          <SelectContent>
-                            {titles.map((title) => (
-                              <SelectItem key={title.id} value={String(title.id)}>{title.name}</SelectItem>
-                            ))}
-                          </SelectContent>
-                        </Select>
+                        <div className="flex-1 min-w-0 grid grid-cols-1 sm:grid-cols-2 gap-2">
+                          <Select
+                            value={dp.departmentId}
+                            onValueChange={(value) => handleDepartmentSelect(dp.id, value)}
+                            disabled={isViewMode}
+                          >
+                            <SelectTrigger disabled={isViewMode}>
+                              <SelectValue placeholder="부서 선택">
+                                {dp.departmentName || '부서 선택'}
+                              </SelectValue>
+                            </SelectTrigger>
+                            <SelectContent>
+                              {departments.map((dept) => (
+                                <SelectItem key={dept.id} value={String(dept.id)}>
+                                  <span style={{ fontFamily: 'monospace' }}>
+                                    {formatDepartmentName(dept.name, dept.depth)}
+                                  </span>
+                                </SelectItem>
+                              ))}
+                            </SelectContent>
+                          </Select>
+                          <Select
+                            value={dp.positionId}
+                            onValueChange={(value) => handlePositionSelect(dp.id, value)}
+                            disabled={isViewMode}
+                          >
+                            <SelectTrigger disabled={isViewMode}>
+                              <SelectValue placeholder="직책 선택">
+                                {dp.positionName || '직책 선택'}
+                              </SelectValue>
+                            </SelectTrigger>
+                            <SelectContent>
+                              {titles.map((title) => (
+                                <SelectItem key={title.id} value={String(title.id)}>{title.name}</SelectItem>
+                              ))}
+                            </SelectContent>
+                          </Select>
+                        </div>
                         {!isViewMode && (
                           <Button
                             type="button"
                             variant="ghost"
                             size="sm"
+                            className="shrink-0"
                             onClick={() => handleRemoveDepartmentPosition(dp.id)}
                           >
                             <Trash2 className="w-4 h-4 text-destructive" />
diff --git a/src/components/hr/SalaryManagement/SalaryDetailDialog.tsx b/src/components/hr/SalaryManagement/SalaryDetailDialog.tsx
index bd78aa19..93d74b0d 100644
--- a/src/components/hr/SalaryManagement/SalaryDetailDialog.tsx
+++ b/src/components/hr/SalaryManagement/SalaryDetailDialog.tsx
@@ -373,22 +373,22 @@ export function SalaryDetailDialog({
 
           {/* 지급 합계 */}
           <div className="bg-primary/5 border-2 border-primary/20 rounded-lg p-4">
-            <div className="grid grid-cols-3 gap-4 text-center">
+            <div className="grid grid-cols-1 sm:grid-cols-3 gap-3 sm:gap-4 text-center">
               <div>
-                <span className="text-sm text-muted-foreground block">급여 총액</span>
-                <span className="text-lg font-semibold text-blue-600">
+                <span className="text-xs sm:text-sm text-muted-foreground block">급여 총액</span>
+                <span className="text-sm sm:text-lg font-semibold text-blue-600">
                   {formatCurrency(salaryDetail.baseSalary + calculateTotalAllowance())}원
                 </span>
               </div>
               <div>
-                <span className="text-sm text-muted-foreground block">공제 총액</span>
-                <span className="text-lg font-semibold text-red-600">
+                <span className="text-xs sm:text-sm text-muted-foreground block">공제 총액</span>
+                <span className="text-sm sm:text-lg font-semibold text-red-600">
                   -{formatCurrency(salaryDetail.totalDeduction)}원
                 </span>
               </div>
               <div>
-                <span className="text-sm text-muted-foreground block">실지급액</span>
-                <span className="text-xl font-bold text-primary">
+                <span className="text-xs sm:text-sm text-muted-foreground block">실지급액</span>
+                <span className="text-base sm:text-xl font-bold text-primary">
                   {formatCurrency(calculateNetPayment())}원
                 </span>
               </div>
diff --git a/src/components/hr/SalaryManagement/index.tsx b/src/components/hr/SalaryManagement/index.tsx
index c81c6ae4..db2fa45a 100644
--- a/src/components/hr/SalaryManagement/index.tsx
+++ b/src/components/hr/SalaryManagement/index.tsx
@@ -51,6 +51,7 @@ import {
 } from './types';
 import { isNextRedirectError } from '@/lib/utils/redirect-error';
 
+
 export function SalaryManagement() {
   const { canExport } = usePermission();
   // ===== 상태 관리 =====
diff --git a/src/components/hr/VacationManagement/VacationGrantDialog.tsx b/src/components/hr/VacationManagement/VacationGrantDialog.tsx
index 5c63009c..b3ff6d52 100644
--- a/src/components/hr/VacationManagement/VacationGrantDialog.tsx
+++ b/src/components/hr/VacationManagement/VacationGrantDialog.tsx
@@ -114,7 +114,7 @@ export function VacationGrantDialog({
               <SelectTrigger>
                 <SelectValue placeholder="사원을 선택하세요" />
               </SelectTrigger>
-              <SelectContent>
+              <SelectContent position="popper" className="max-h-[200px]">
                 {isLoadingEmployees ? (
                   <div className="flex items-center justify-center py-2">
                     <Loader2 className="h-4 w-4 animate-spin" />
diff --git a/src/components/hr/VacationManagement/VacationRequestDialog.tsx b/src/components/hr/VacationManagement/VacationRequestDialog.tsx
index 8f2066c6..b5422b94 100644
--- a/src/components/hr/VacationManagement/VacationRequestDialog.tsx
+++ b/src/components/hr/VacationManagement/VacationRequestDialog.tsx
@@ -123,7 +123,7 @@ export function VacationRequestDialog({
               <SelectTrigger>
                 <SelectValue placeholder="사원을 선택하세요" />
               </SelectTrigger>
-              <SelectContent>
+              <SelectContent position="popper" className="max-h-[200px]">
                 {isLoadingEmployees ? (
                   <div className="flex items-center justify-center py-2">
                     <Loader2 className="h-4 w-4 animate-spin" />
diff --git a/src/components/hr/VacationManagement/index.tsx b/src/components/hr/VacationManagement/index.tsx
index 36f7fdff..ef6cd17d 100644
--- a/src/components/hr/VacationManagement/index.tsx
+++ b/src/components/hr/VacationManagement/index.tsx
@@ -380,9 +380,9 @@ export function VacationManagement() {
 
   // ===== 탭 옵션 (카드 아래에 표시됨) =====
   const tabs: TabOption[] = useMemo(() => [
-    { value: 'usage', label: MAIN_TAB_LABELS.usage, count: usageData.length, color: 'blue' },
-    { value: 'grant', label: MAIN_TAB_LABELS.grant, count: grantData.length, color: 'green' },
-    { value: 'request', label: MAIN_TAB_LABELS.request, count: requestData.length, color: 'purple' },
+    { value: 'usage', label: MAIN_TAB_LABELS.usage, mobileLabel: '사용', count: usageData.length, color: 'blue' },
+    { value: 'grant', label: MAIN_TAB_LABELS.grant, mobileLabel: '부여', count: grantData.length, color: 'green' },
+    { value: 'request', label: MAIN_TAB_LABELS.request, mobileLabel: '신청', count: requestData.length, color: 'purple' },
   ], [usageData.length, grantData.length, requestData.length]);
 
   // ===== 테이블 컬럼 (탭별) =====