diff --git a/apps/pyconkr-2025/src/components/layout/CartBadgeButton/index.tsx b/apps/pyconkr-2025/src/components/layout/CartBadgeButton/index.tsx
index b3ac586..abd1033 100644
--- a/apps/pyconkr-2025/src/components/layout/CartBadgeButton/index.tsx
+++ b/apps/pyconkr-2025/src/components/layout/CartBadgeButton/index.tsx
@@ -3,27 +3,26 @@ import { ShoppingCart } from "@mui/icons-material";
 import { Badge, badgeClasses, IconButton, styled } from "@mui/material";
 import { ErrorBoundary, Suspense } from "@suspensive/react";
 import { FC } from "react";
-import { useNavigate } from "react-router-dom";
+import { Link as RouterLink } from "react-router-dom";
 
 type InnerCartBadgeButtonPropType = {
   loading?: boolean;
   count?: number;
 };
 
+// `as typeof IconButton`으로 styled가 잃어버린 polymorphic 타입(component/to)을 복원한다.
 const ColoredIconButton = styled(IconButton)(({ theme }) => ({
   color: theme.palette.primary.nonFocus,
   "&:hover": { color: theme.palette.primary.dark },
   "&:active": { color: theme.palette.primary.main },
   transition: "color 0.4s ease, background-color 0.4s ease",
-}));
+})) as typeof IconButton;
 
 const InnerCartBadge = styled(Badge)({ [`& .${badgeClasses.badge}`]: { top: "-12px", right: "-3px" } });
 
 const InnerCartBadgeButton: FC<InnerCartBadgeButtonPropType> = ({ loading, count }) => {
-  const navigate = useNavigate();
-
   return (
-    <ColoredIconButton loading={loading} onClick={() => navigate("/store/cart")}>
+    <ColoredIconButton loading={loading} component={RouterLink} to="/store/cart">
       <ShoppingCart />
       {count !== undefined && count > 0 && <InnerCartBadge badgeContent={count} color="primary" overlap="circular" />}
     </ColoredIconButton>
diff --git a/apps/pyconkr-2025/src/components/layout/SignInButton/index.tsx b/apps/pyconkr-2025/src/components/layout/SignInButton/index.tsx
index 6fd174e..e2dacdd 100644
--- a/apps/pyconkr-2025/src/components/layout/SignInButton/index.tsx
+++ b/apps/pyconkr-2025/src/components/layout/SignInButton/index.tsx
@@ -2,7 +2,7 @@ import { useShopClient, useSignOutMutation, useUserStatus } from "@frontend/shop
 import { Login, Logout } from "@mui/icons-material";
 import { Button, Stack } from "@mui/material";
 import { ErrorBoundary, Suspense } from "@suspensive/react";
-import { useNavigate } from "react-router-dom";
+import { Link as RouterLink } from "react-router-dom";
 
 import { useAppContext } from "@apps/pyconkr-2025/contexts/app_context";
 
@@ -23,24 +23,20 @@ const InnerSignInButtonImpl: React.FC<InnerSignInButtonImplPropType> = ({
   isMainPath = true,
   onClose,
 }) => {
-  const navigate = useNavigate();
   const { language } = useAppContext();
 
   const signInBtnStr = language === "ko" ? "로그인" : "Sign In";
   const signOutBtnStr = language === "ko" ? "로그아웃" : "Sign Out";
 
-  const handleClick = () => {
-    if (signedIn) {
-      onSignOut?.();
-    } else {
-      onClose?.();
-      navigate("/account/sign-in");
-    }
-  };
+  // 로그인 상태에 따라: 로그아웃은 클릭 액션, 로그인은 Ctrl+클릭(새 탭)이 동작하도록 Link로 이동.
+  const navProps = signedIn
+    ? { onClick: () => onSignOut?.() }
+    : ({ component: RouterLink, to: "/account/sign-in", onClick: () => onClose?.() } as const);
 
   if (isMobile) {
     return (
       <Button
+        {...navProps}
         variant="text"
         sx={{
           color: isMainPath ? "white" : "rgba(18, 109, 127, 0.9)",
@@ -56,7 +52,6 @@ const InnerSignInButtonImpl: React.FC<InnerSignInButtonImplPropType> = ({
           },
         }}
         loading={loading}
-        onClick={handleClick}
       >
         <Stack direction="row" alignItems="center" sx={{ gap: "3px" }}>
           {signedIn ? <Logout fontSize="small" /> : <Login fontSize="small" />}
@@ -68,10 +63,10 @@ const InnerSignInButtonImpl: React.FC<InnerSignInButtonImplPropType> = ({
 
   return (
     <Button
+      {...navProps}
       variant="text"
       sx={({ palette }) => ({ color: palette.primary.dark })}
       loading={loading}
-      onClick={() => (signedIn ? onSignOut?.() : navigate("/account/sign-in"))}
       children={signedIn ? signOutBtnStr : signInBtnStr}
     />
   );
diff --git a/apps/pyconkr-2026/src/components/layout/CartBadgeButton/index.tsx b/apps/pyconkr-2026/src/components/layout/CartBadgeButton/index.tsx
index fc83b0e..e134b81 100644
--- a/apps/pyconkr-2026/src/components/layout/CartBadgeButton/index.tsx
+++ b/apps/pyconkr-2026/src/components/layout/CartBadgeButton/index.tsx
@@ -3,7 +3,7 @@ import { ShoppingCart } from "@mui/icons-material";
 import { Badge, badgeClasses, IconButton, styled } from "@mui/material";
 import { ErrorBoundary, Suspense } from "@suspensive/react";
 import { FC } from "react";
-import { useNavigate } from "react-router-dom";
+import { Link as RouterLink } from "react-router-dom";
 
 type CartBadgeButtonProps = { onClose?: () => void };
 
@@ -12,27 +12,21 @@ type InnerCartBadgeButtonPropType = CartBadgeButtonProps & {
   count?: number;
 };
 
+// `as typeof IconButton`으로 styled가 잃어버린 polymorphic 타입(component/to)을 복원한다.
 const ColoredIconButton = styled(IconButton)(({ theme }) => ({
   color: theme.palette.primary.nonFocus,
   "&:hover": { color: theme.palette.primary.dark },
   "&:active": { color: theme.palette.primary.main },
   transition: "color 0.4s ease, background-color 0.4s ease",
-}));
+})) as typeof IconButton;
 
 const InnerCartBadge = styled(Badge)({ [`& .${badgeClasses.badge}`]: { top: "-12px", right: "-3px" } });
 
 const InnerCartBadgeButton: FC<InnerCartBadgeButtonPropType> = ({ loading, count, onClose }) => {
-  const navigate = useNavigate();
-
   if (!loading && (count === undefined || count <= 0)) return null;
 
-  const handleClick = () => {
-    onClose?.();
-    navigate("/store/cart");
-  };
-
   return (
-    <ColoredIconButton loading={loading} onClick={handleClick}>
+    <ColoredIconButton loading={loading} component={RouterLink} to="/store/cart" onClick={() => onClose?.()}>
       <ShoppingCart />
       {count !== undefined && count > 0 && <InnerCartBadge badgeContent={count} color="primary" overlap="circular" />}
     </ColoredIconButton>
diff --git a/apps/pyconkr-2026/src/components/layout/UserMenuButton/index.tsx b/apps/pyconkr-2026/src/components/layout/UserMenuButton/index.tsx
index f5f88d0..d60e756 100644
--- a/apps/pyconkr-2026/src/components/layout/UserMenuButton/index.tsx
+++ b/apps/pyconkr-2026/src/components/layout/UserMenuButton/index.tsx
@@ -5,7 +5,7 @@ import { AccountCircle, Login, Logout, Receipt } from "@mui/icons-material";
 import { Button, Divider, IconButton, ListItemIcon, ListItemText, Menu, MenuItem, styled, Typography } from "@mui/material";
 import { ErrorBoundary, Suspense } from "@suspensive/react";
 import { FC, MouseEvent, useState } from "react";
-import { useNavigate } from "react-router-dom";
+import { Link as RouterLink } from "react-router-dom";
 
 import { useAppContext } from "@apps/pyconkr-2026/contexts/app_context";
 
@@ -42,7 +42,6 @@ type InnerUserMenuButtonPropType = UserMenuButtonProps & {
 };
 
 const InnerUserMenuButton: FC<InnerUserMenuButtonPropType> = ({ loading, user, onSignOut, onClose, showLabel }) => {
-  const navigate = useNavigate();
   const { language } = useAppContext();
   const [anchorEl, setAnchorEl] = useState<HTMLElement | null>(null);
   const open = Boolean(anchorEl);
@@ -54,10 +53,9 @@ const InnerUserMenuButton: FC<InnerUserMenuButtonPropType> = ({ loading, user, o
   const orderHistoryLabel = language === "ko" ? "결제 내역" : "Order History";
   const signOutLabel = language === "ko" ? "로그아웃" : "Sign Out";
 
-  const goTo = (path: string) => {
+  const closeAll = () => {
     handleMenuClose();
     onClose?.();
-    navigate(path);
   };
 
   const handleSignOut = () => {
@@ -102,7 +100,7 @@ const InnerUserMenuButton: FC<InnerUserMenuButtonPropType> = ({ loading, user, o
               </Typography>
             </UserNameItem>,
             <Divider key="divider" sx={{ my: 0.5 }} />,
-            <MenuItem key="orders" onClick={() => goTo("/store/order-histories")}>
+            <MenuItem key="orders" component={RouterLink} to="/store/order-histories" onClick={closeAll}>
               <ListItemIcon>
                 <Receipt fontSize="small" />
               </ListItemIcon>
@@ -116,7 +114,7 @@ const InnerUserMenuButton: FC<InnerUserMenuButtonPropType> = ({ loading, user, o
             </MenuItem>,
           ]
         ) : (
-          <MenuItem onClick={() => goTo("/account/sign-in")}>
+          <MenuItem component={RouterLink} to="/account/sign-in" onClick={closeAll}>
             <ListItemIcon>
               <Login fontSize="small" />
             </ListItemIcon>
diff --git a/apps/pyconkr-participant-portal/src/components/layout.tsx b/apps/pyconkr-participant-portal/src/components/layout.tsx
index 0c7c2a8..b8f6430 100644
--- a/apps/pyconkr-participant-portal/src/components/layout.tsx
+++ b/apps/pyconkr-participant-portal/src/components/layout.tsx
@@ -3,7 +3,7 @@ import { AccountCircle } from "@mui/icons-material";
 import { AppBar, ButtonBase, CircularProgress, IconButton, Menu, MenuItem, Stack, styled, Toolbar, Tooltip, Typography } from "@mui/material";
 import { ErrorBoundary, Suspense } from "@suspensive/react";
 import { FC, MouseEventHandler, useState } from "react";
-import { Link, Outlet, useNavigate } from "react-router-dom";
+import { Link, Outlet } from "react-router-dom";
 
 import { LOCAL_STORAGE_LANGUAGE_KEY } from "@apps/pyconkr-participant-portal/consts/local_stroage";
 import { useAppContext } from "@apps/pyconkr-participant-portal/contexts/app_context";
@@ -59,7 +59,6 @@ type ProfileMenuButtonState = {
 };
 
 const InnerProfileMenuButton: FC<ProfileMenuButtonProps> = ({ loading, signedIn }) => {
-  const navigate = useNavigate();
   const participantPortalClient = useParticipantPortalClient();
   const [btnState, setBtnState] = useState<ProfileMenuButtonState>({});
   const openMenu: MouseEventHandler<HTMLButtonElement> = (evt) => setBtnState((ps) => ({ ...ps, anchorEl: evt.currentTarget }));
@@ -70,16 +69,9 @@ const InnerProfileMenuButton: FC<ProfileMenuButtonProps> = ({ loading, signedIn
   const signOutStr = language === "ko" ? "로그아웃" : "Sign Out";
   const editProfileStr = language === "ko" ? "프로필 편집" : "Edit Profile";
 
-  const goToProfileEditor = () => {
-    navigate("/user");
-    closeMenu();
-  };
-  const goToSignIn = () => navigate("/signin");
   const signOutMutation = useSignOutMutation(participantPortalClient);
-  const onSignInOutClick = () => {
-    if (signedIn) signOutMutation.mutate();
-    else goToSignIn();
-
+  const handleSignOut = () => {
+    signOutMutation.mutate();
     closeMenu();
   };
 
@@ -89,8 +81,12 @@ const InnerProfileMenuButton: FC<ProfileMenuButtonProps> = ({ loading, signedIn
         <IconButton children={loading ? <CircularProgress size={24} /> : <AccountCircle />} disabled={loading} onClick={openMenu} />
       </Tooltip>
       <Menu open={!!btnState.anchorEl} anchorEl={btnState.anchorEl} onClose={closeMenu}>
-        {signedIn && <MenuItem children={editProfileStr} onClick={goToProfileEditor} />}
-        <MenuItem children={signedIn ? signOutStr : signInStr} onClick={onSignInOutClick} />
+        {signedIn && <MenuItem children={editProfileStr} component={Link} to="/user" onClick={closeMenu} />}
+        {signedIn ? (
+          <MenuItem children={signOutStr} onClick={handleSignOut} />
+        ) : (
+          <MenuItem children={signInStr} component={Link} to="/signin" onClick={closeMenu} />
+        )}
       </Menu>
     </>
   );
diff --git a/apps/pyconkr-participant-portal/src/components/pages/home.tsx b/apps/pyconkr-participant-portal/src/components/pages/home.tsx
index b2f5c84..755012b 100644
--- a/apps/pyconkr-participant-portal/src/components/pages/home.tsx
+++ b/apps/pyconkr-participant-portal/src/components/pages/home.tsx
@@ -21,7 +21,7 @@ import {
 } from "@mui/material";
 import { ErrorBoundary, Suspense } from "@suspensive/react";
 import { CSSProperties, FC, useState } from "react";
-import { useNavigate } from "react-router-dom";
+import { Link as RouterLink } from "react-router-dom";
 import { isEmpty } from "remeda";
 
 import { ErrorPage } from "@apps/pyconkr-participant-portal/components/elements/error_page";
@@ -97,7 +97,6 @@ type InnerLandingPageState = {
 };
 
 const InnerLandingPage: FC = () => {
-  const navigate = useNavigate();
   const { language } = useAppContext();
   const isMobile = useMediaQuery((theme) => theme.breakpoints.down("sm"));
   const participantPortalAPIClient = useParticipantPortalClient();
@@ -150,7 +149,7 @@ const InnerLandingPage: FC = () => {
                 <Typography variant="body1" children={emailStr} />
               </Stack>
               <Stack sx={{ width: "100%", maxWidth: "8rem" }}>
-                <Button variant="contained" size="small" onClick={() => navigate("/user")} children={editProfileStr} />
+                <Button variant="contained" size="small" component={RouterLink} to="/user" children={editProfileStr} />
               </Stack>
             </Stack>
           </Stack>
@@ -178,8 +177,9 @@ const InnerLandingPage: FC = () => {
                   return (
                     <ListItem key={audit.id} disablePadding sx={{ cursor: "pointer", border: "1px solid #ccc" }}>
                       <ListItemButton
+                        component={RouterLink}
+                        to={navigateTo}
                         children={<ListItemText primary={audit.str_repr} secondary={TranslatedAuditState[audit.status][language]} />}
-                        onClick={() => navigate(navigateTo)}
                       />
                     </ListItem>
                   );
@@ -196,7 +196,7 @@ const InnerLandingPage: FC = () => {
               <List>
                 {sessions.map((s) => (
                   <ListItem key={s.id} disablePadding sx={{ cursor: "pointer", border: "1px solid #ccc" }}>
-                    <ListItemButton children={<ListItemText primary={s.title} />} onClick={() => navigate(`/session/${s.id}`)} />
+                    <ListItemButton component={RouterLink} to={`/session/${s.id}`} children={<ListItemText primary={s.title} />} />
                   </ListItem>
                 ))}
               </List>