diff --git a/apps/cm/src/pages/dashboard/ui/dashboard-page.tsx b/apps/cm/src/pages/dashboard/ui/dashboard-page.tsx
index b19c0d0c6..327689474 100644
--- a/apps/cm/src/pages/dashboard/ui/dashboard-page.tsx
+++ b/apps/cm/src/pages/dashboard/ui/dashboard-page.tsx
@@ -110,12 +110,12 @@ function DashboardPage() {
   };
 
   return (
-    <div className="p-6">
+    <div className="p-2 sm:p-4 md:p-6">
       <div className="flex flex-col gap-1">
         {/* 첫번째 라인 */}
-        <div className="grid grid-cols-8 gap-1">
+        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 xl:grid-cols-8 gap-1">
           {/* 첫번쨰 열 */}
-          <div className="col-span-2 h-250 !p-0">
+          <div className="col-span-1 md:col-span-1 lg:col-span-1 xl:col-span-2 h-250 !p-0">
             {/* 전국 하수처리시설 개소수 및 가동률 */}
             <FoFcltCntRt />
 
@@ -127,7 +127,7 @@ function DashboardPage() {
           </div>
 
           {/* 두번쨰 열 */}
-          <div className="col-span-2 h-250 !p-0">
+          <div className="col-span-1 md:col-span-1 lg:col-span-1 xl:col-span-2 h-250 !p-0">
             {/* 수계별 유입ㆍ방류수질 분석 */}
             <FoWqltInflEffl />
 
@@ -139,14 +139,16 @@ function DashboardPage() {
           </div>
 
           {/* 지도영역 */}
-          <KoreaBasinMap />
+          <div className="col-span-1 md:col-span-2 lg:col-span-1 xl:col-span-3">
+            <KoreaBasinMap />
+          </div>
 
           {/* 사용자 정보 카드 */}
-          <div className="col-span-1  !p-0">
+          <div className="col-span-1 md:col-span-2 lg:col-span-1 xl:col-span-1 !p-0">
             {error && <div className="mb-4 text-red-500">{error}</div>}
             {userInfo ? (
-            <div className="card card_border login_info_box" style={{ height: "150px" }}>
-              <div className="login_header">
+            <div className="card card_border login_info_box" style={{ minHeight: "150px", height: "auto" }}>
+              <div className="login_header" style={{ paddingLeft: "10px", paddingRight: "10px" }}>
                 <div className="login_avatar">
                   <img src="/images/icon_loginID.png" alt="프로필" onError={(e) => {
                     const target = e.target as HTMLImageElement;
@@ -156,15 +158,15 @@ function DashboardPage() {
                 <div className="login_user_info">
                   <div className="user_name">{userInfo.userName || "-"}</div>
                   <div className="user_status">온라인</div>
-                  <div className="user_status">
+                  <div className="user_status text-xs sm:text-sm">
                     <b>2FA 활성화:</b>{" "}
                     {userInfo.twoFactorEnabled ? "예" : "아니오"}
                   </div>
                 </div>
               </div>
-                <div className="login_actions">
-                  <button className="login_btn" onClick={handleLogout}>로그아웃</button>
-                  <button className="signup_btn" onClick={handleChangePassword}>마이페이지</button>
+                <div className="login_actions" style={{ paddingLeft: "10px", paddingRight: "10px" }}>
+                  <button className="login_btn text-xs sm:text-sm" onClick={handleLogout}>로그아웃</button>
+                  <button className="signup_btn text-xs sm:text-sm" onClick={handleChangePassword}>마이페이지</button>
               </div>
             </div>
             ) : (
@@ -172,7 +174,7 @@ function DashboardPage() {
             )}
             <div className="card card-border" style={{ height: "300px" }}>
               <div className="card-header text-foreground">
-                <h3 className="text-2xl font-medium">일정 알림</h3>
+                <h3 className="text-lg sm:text-xl md:text-2xl font-medium">일정 알림</h3>
               </div>
               <div className="card paddingnone">
                   
@@ -180,7 +182,7 @@ function DashboardPage() {
             </div>
             <div className="card card-border" style={{ height: "300px" }}>
               <div className="card-header text-foreground">
-                <h3 className="text-2xl font-medium">내 작성글</h3>
+                <h3 className="text-lg sm:text-xl md:text-2xl font-medium">내 작성글</h3>
               </div>
               <div className="card paddingnone">
                   
@@ -190,7 +192,7 @@ function DashboardPage() {
         </div>
 
         {/* 두번째 라인 */}
-        <div className="grid grid-cols-4 gap-1">
+        <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-1">
           <div className="card card-border" style={{ height: "250px" }}>
             <SupportList />
           </div>
diff --git a/packages/common/components/src/ui/header/index.tsx b/packages/common/components/src/ui/header/index.tsx
index 920e29316..5408cbc4e 100644
--- a/packages/common/components/src/ui/header/index.tsx
+++ b/packages/common/components/src/ui/header/index.tsx
@@ -30,6 +30,7 @@ const isLoggedIn = !!userId;
 export function Header({ viewOnly }: { viewOnly?: boolean }) {
   const [mounted, setMounted] = useState(false);
   const [logoWidth, setLogoWidth] = useState(0);
+  const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false);
   const logoRef = useRef<HTMLImageElement>(null);
 
   const { data: userInfo } = useQuery({
@@ -146,65 +147,126 @@ export function Header({ viewOnly }: { viewOnly?: boolean }) {
   }, []);
 
   return (
-    <header className="sticky top-0 z-30 box-border flex h-[6rem] w-full items-center justify-between border-b border-solid border-border bg-background">
-      <div className="flex items-center px-6">
-        <SidebarTrigger className="size-12 !bg-transparent p-2 hover:!bg-accent [&>svg]:!size-full [&>svg]:text-foreground" />
-        <h1 className="flex flex-col items-center gap-2">
-                     {mounted ? (
-             <img 
-               ref={logoRef}
-               src={getLogoImage()} 
-               className="h-[3rem]" 
-               alt="logo"
-               onLoad={() => {
-                 if (logoRef.current) {
-                   setLogoWidth(logoRef.current.offsetWidth);
-                 }
-               }}
-             />
-           ) : (
-            <Skeleton className="h-[3rem] w-[15rem]" />
-          )}
+    <header className="sticky top-0 z-30 box-border flex flex-col sm:flex-row h-auto sm:h-[6rem] w-full items-center justify-between border-b border-solid border-border bg-background">
+      <div className="flex items-center px-2 sm:px-4 md:px-6 w-full sm:w-auto justify-between sm:justify-start">
+        <div className="flex items-center gap-2 sm:gap-4">
+          <SidebarTrigger className="size-8 sm:size-10 md:size-12 !bg-transparent p-2 hover:!bg-accent [&>svg]:!size-full [&>svg]:text-foreground" />
+          <h1 className="flex flex-col items-center gap-1 sm:gap-2">
+            {mounted ? (
+              <img 
+                ref={logoRef}
+                src={getLogoImage()} 
+                className="h-[2rem] sm:h-[2.5rem] md:h-[3rem]" 
+                alt="logo"
+                onLoad={() => {
+                  if (logoRef.current) {
+                    setLogoWidth(logoRef.current.offsetWidth);
+                  }
+                }}
+              />
+            ) : (
+              <Skeleton className="h-[2rem] sm:h-[2.5rem] md:h-[3rem] w-[10rem] sm:w-[12rem] md:w-[15rem]" />
+            )}
             <span 
-             className="text-[1.2rem] font-semibold text-foreground"
-             style={{
-               letterSpacing: logoWidth > 0 ? `${(logoWidth - 120) / (siteInfo?.siteNm?.length || 1)}px` : '0.05em'
-             }}
+              className="text-xs sm:text-sm md:text-[1.2rem] font-semibold text-foreground"
+              style={{
+                letterSpacing: logoWidth > 0 ? `${(logoWidth - 120) / (siteInfo?.siteNm?.length || 1)}px` : '0.05em'
+              }}
             >
-             {siteInfo?.siteNm}
-           </span>
-        </h1>
+              {siteInfo?.siteNm}
+            </span>
+          </h1>
+        </div>
+        {/* 모바일에서 오른쪽 요소들 */}
+        <div className="flex items-center gap-1 sm:hidden">
+          {/* 모바일 메뉴 토글 버튼 */}
+          {mounted && (
+            <Button
+              onClick={() => setIsMobileMenuOpen(!isMobileMenuOpen)}
+              className="m-0 flex h-[2.5rem] items-center !bg-background px-2 py-0 text-label"
+            >
+              <i className={`diveicon ${isMobileMenuOpen ? 'di-close' : 'di-menu'} static text-xl`} />
+            </Button>
+          )}
+          {mounted && isLoggedIn && (
+            <Popover>
+              <PopoverTrigger asChild>
+                <Button className="group m-0 flex h-[2.5rem] items-center !bg-background px-2 py-0 text-label">
+                  <i className="diveicon di-account-circle static translate-y-0.5 pr-1 text-xl" />
+                  <span className="text-xs hidden xs:inline">{userInfo?.userName}</span>
+                  <i className="diveicon di-chevron-down static p-0 transition-transform group-data-[state=open]:rotate-180" />
+                </Button>
+              </PopoverTrigger>
+              <PopoverContent align="end" className="w-48 border-border p-1">
+                <ul>
+                  <li className="cursor-pointer rounded-sm p-3 text-xl hover:bg-accent">
+                    <NoticePopover />
+                  </li>
+                  <li
+                    onClick={logout}
+                    className="cursor-pointer rounded-sm p-3 text-xl hover:bg-accent"
+                  >
+                    로그아웃
+                  </li>
+                </ul>
+              </PopoverContent>
+            </Popover>
+          )}
+        </div>
       </div>
-      <div className="flex items-center">
+      {/* 모바일에서 네비게이션 (토글 시 표시) */}
+      {isMobileMenuOpen && (
+        <div className="w-full sm:hidden border-t border-border bg-background py-2">
+          {mounted && userSiteList?.content && userSiteList.content.length > 0 && (
+            <nav className="flex flex-col items-center gap-2 px-4">
+              {userSiteList.content.map((site) => (
+                <a
+                  key={site.siteId}
+                  href={site.dmnAddr}
+                  className="text-base font-medium text-foreground hover:text-primary transition-colors w-full text-center py-2"
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  onClick={() => setIsMobileMenuOpen(false)}
+                >
+                  {site.siteNm}
+                </a>
+              ))}
+            </nav>
+          )}
+        </div>
+      )}
+      {/* 데스크톱에서 중간 네비게이션 */}
+      <div className="hidden sm:flex items-center flex-1 justify-center px-2">
         {mounted && userSiteList?.content && userSiteList.content.length > 0 && (
-          <nav className="flex items-center gap-6">
+          <nav className="flex items-center gap-3 md:gap-6 flex-wrap justify-center">
             {userSiteList.content.map((site, index) => (
               <div key={site.siteId} className="flex items-center">
                 <a
                   href={site.dmnAddr}
-                  className="text-2xl font-medium text-foreground hover:text-primary transition-colors header-nav-link"
+                  className="text-sm md:text-lg lg:text-2xl font-medium text-foreground hover:text-primary transition-colors header-nav-link"
                   target="_blank"
                   rel="noopener noreferrer"
                 >
                   {site.siteNm}
                 </a>
                 {index < userSiteList.content.length - 1 && (
-                  <div className="w-px h-6 bg-border ml-6"></div>
+                  <div className="w-px h-4 md:h-6 bg-border ml-3 md:ml-6"></div>
                 )}
               </div>
             ))}
           </nav>
         )}
       </div>
-      <div className="flex items-center gap-2">
+      {/* 데스크톱에서 오른쪽 요소들 */}
+      <div className="hidden sm:flex items-center gap-2 px-2 md:px-4">
         <SearchForm />
         {mounted ? (
           isLoggedIn && (
             <Popover>
               <PopoverTrigger asChild>
-                <Button className="group m-0 flex h-[3rem] items-center !bg-background px-4 py-0 text-label">
-                  <i className="diveicon di-account-circle static translate-y-0.5 pr-2 text-3xl" />
-                  {userInfo?.userName}
+                <Button className="group m-0 flex h-[3rem] items-center !bg-background px-2 md:px-4 py-0 text-label">
+                  <i className="diveicon di-account-circle static translate-y-0.5 pr-1 md:pr-2 text-2xl md:text-3xl" />
+                  <span className="text-sm md:text-base hidden md:inline">{userInfo?.userName}</span>
                   <i className="diveicon di-chevron-down static p-0 transition-transform group-data-[state=open]:rotate-180" />
                 </Button>
               </PopoverTrigger>