diff --git a/src/api/boardApi.js b/src/api/boardApi.js
index ea4ad90..6839e17 100644
--- a/src/api/boardApi.js
+++ b/src/api/boardApi.js
@@ -1,38 +1,51 @@
-// src/api/boardApi.js
-import axios from 'axios';
-import { attachAuthInterceptors } from './attachInterceptors';
+import axios from "axios";
+import { attachAuthInterceptors } from "./attachInterceptors";
 
 const boardApi = axios.create({
   baseURL: process.env.REACT_APP_API_BOARD, // ex) http://localhost:8801/api
   headers: {
-    'Content-Type': 'application/json',
+    "Content-Type": "application/json",
   },
 });
 
-// JWT 인증 토큰 인터셉터 부착
+// ✅ JWT 토큰 자동 포함
 attachAuthInterceptors(boardApi);
 
-// ✅ 게시판 목록 조회
-export const fetchBoards = () => boardApi.get('/api/boards/');
+//
+// ✅ 게시판 관련
+//
 
-// ✅ 특정 게시판의 게시글 목록 조회
+// 게시판 목록 조회
+export const fetchBoards = () => boardApi.get("/api/boards/");
+
+//
+// ✅ 게시글 관련 (게시판 내 nested 구조)
+//
+
+// 특정 게시판의 게시글 목록 조회
 export const fetchPosts = (boardSlug, params = {}) =>
   boardApi.get(`/api/boards/${boardSlug}/posts/`, { params });
 
-// ✅ 특정 게시글 상세 조회
 export const fetchPostDetail = (boardSlug, postId) =>
   boardApi.get(`/api/boards/${boardSlug}/posts/${postId}/`);
 
-// ✅ 게시글 생성
+// 게시글 생성
 export const createPost = (boardSlug, data) =>
   boardApi.post(`/api/boards/${boardSlug}/posts/`, data);
 
-// ✅ 게시글 수정
+// 게시글 수정
 export const updatePost = (boardSlug, postId, data) =>
   boardApi.put(`/api/boards/${boardSlug}/posts/${postId}/`, data);
 
-// ✅ 게시글 삭제
+// 게시글 삭제
 export const deletePost = (boardSlug, postId) =>
   boardApi.delete(`/api/boards/${boardSlug}/posts/${postId}/`);
 
+//
+// ✅ 게시글 단일 조회 (boardSlug 없이 ID만으로 조회)
+//
+
+// 단일 게시글 상세 조회 (id 기반)
+export const getPost = (postId) => boardApi.get(`/api/posts/${postId}/`);
+
 export default boardApi;
diff --git a/src/components/Board/PostDetail.js b/src/components/Board/PostDetail.js
new file mode 100644
index 0000000..8eb46e5
--- /dev/null
+++ b/src/components/Board/PostDetail.js
@@ -0,0 +1,71 @@
+// src/components/Board/PostDetail.js
+import React, { useEffect, useState } from "react";
+import { fetchPostDetail, deletePost } from "../../api/boardApi";
+import { useAuth } from "../../context/AuthContext";
+
+const PostDetail = ({ postId, boardSlug, onClose, onDeleted }) => {
+  const [post, setPost] = useState(null);
+  const { user } = useAuth();
+
+  useEffect(() => {
+    const fetch = async () => {
+      try {
+        const res = await fetchPostDetail(boardSlug, postId); // ✅ boardSlug 포함 요청
+        setPost(res.data);
+      } catch (err) {
+        console.error("❌ 게시물 조회 실패", err);
+        alert("게시글을 불러오지 못했습니다.");
+        onClose();
+      }
+    };
+    fetch();
+  }, [postId, boardSlug, onClose]); // ✅ boardSlug 의존성 포함
+
+  const handleDelete = async () => {
+    if (!window.confirm("정말 삭제하시겠습니까?")) return;
+    try {
+      await deletePost(boardSlug, postId); // ✅ boardSlug 포함
+      alert("✅ 삭제되었습니다.");
+      onDeleted();
+      onClose();
+    } catch (err) {
+      console.error("❌ 삭제 실패", err);
+      alert("삭제에 실패했습니다.");
+    }
+  };
+
+  if (!post) return null;
+
+  const isAuthor = user?.email === post.author_name;
+
+  return (
+    <div className="p-4 border rounded shadow bg-white">
+      <h2 className="text-xl font-bold mb-2">{post.title}</h2>
+      <p className="text-gray-600 mb-1">작성자: {post.author_name}</p>
+      <p className="text-gray-500 text-sm mb-4">
+        작성일: {new Date(post.created_at).toLocaleString()}
+      </p>
+
+      <div className="whitespace-pre-wrap border-t pt-4">{post.content}</div>
+
+      <div className="mt-6 flex justify-end gap-2">
+        <button
+          onClick={onClose}
+          className="px-4 py-1 bg-gray-300 text-black rounded"
+        >
+          닫기
+        </button>
+        {isAuthor && (
+          <button
+            onClick={handleDelete}
+            className="px-4 py-1 bg-red-500 text-white rounded"
+          >
+            삭제
+          </button>
+        )}
+      </div>
+    </div>
+  );
+};
+
+export default PostDetail;
diff --git a/src/components/Board/PostForm.js b/src/components/Board/PostForm.js
index 52eab7e..866bff5 100644
--- a/src/components/Board/PostForm.js
+++ b/src/components/Board/PostForm.js
@@ -1,4 +1,3 @@
-// src/components/Board/PostForm.js
 import React, { useState } from "react";
 import { createPost } from "../../api/boardApi";
 
@@ -34,11 +33,11 @@ const PostForm = ({ boardSlug, onClose, onCreated }) => {
     console.log("✅ 전송할 payload:", payload);
 
     try {
-      await createPost(boardSlug, payload);
+      await createPost(boardSlug, payload); // ✅ 백엔드 호환: slug 사용
       alert("✅ 게시글이 등록되었습니다.");
-      setForm({ title: "", content: "", tags: "" });
-      onCreated();
-      onClose();
+      setForm({ title: "", content: "", tags: "" }); // 폼 초기화
+      onCreated();  // 목록 새로고침 트리거
+      onClose();    // 폼 닫기
     } catch (err) {
       console.error("❌ 게시글 등록 실패", err);
       console.log("🚨 서버 응답 내용:", err.response?.data);
diff --git a/src/components/Board/PostList.js b/src/components/Board/PostList.js
index e6a9f26..c22fa10 100644
--- a/src/components/Board/PostList.js
+++ b/src/components/Board/PostList.js
@@ -1,43 +1,113 @@
-// src/components/Board/PostList.js
-import React, { useEffect, useState } from "react";
+import React, { useEffect, useState, useCallback } from "react";
 import { fetchPosts } from "../../api/boardApi";
+import PostDetail from "./PostDetail";
 
 const PostList = ({ boardSlug, search, tag }) => {
   const [posts, setPosts] = useState([]);
+  const [selectedPostId, setSelectedPostId] = useState(null);
+  const [drawerOpen, setDrawerOpen] = useState(false);
+
+  const loadPosts = useCallback(async () => {
+    try {
+      const params = {};
+      if (tag) params.tag = tag;
+      if (search) params.search = search;
+
+      const res = await fetchPosts(boardSlug, params);
+      setPosts(res.data);
+    } catch (err) {
+      console.error("❌ 게시글 목록 불러오기 실패", err);
+    }
+  }, [boardSlug, tag, search]);
 
   useEffect(() => {
-    if (!boardSlug) return;
+    if (boardSlug) {
+      loadPosts();
+    }
+  }, [boardSlug, loadPosts]);
 
-    const loadPosts = async () => {
-      try {
-        const params = {};
-        if (tag) params.tag = tag;
-        if (search) params.search = search;
-
-        const res = await fetchPosts(boardSlug, params);
-        setPosts(res.data);
-      } catch (err) {
-        console.error("❌ 게시글 목록 불러오기 실패", err);
+  // ✅ ESC 키로 닫기
+  useEffect(() => {
+    const handleKeyDown = (e) => {
+      if (e.key === "Escape") {
+        setDrawerOpen(false);
+        setSelectedPostId(null);
       }
     };
 
-    loadPosts();
-  }, [boardSlug, search, tag]);
+    if (drawerOpen) {
+      window.addEventListener("keydown", handleKeyDown);
+    } else {
+      window.removeEventListener("keydown", handleKeyDown);
+    }
+
+    return () => {
+      window.removeEventListener("keydown", handleKeyDown);
+    };
+  }, [drawerOpen]);
+
+  const handleSelectPost = (postId) => {
+    setSelectedPostId(postId);
+    setDrawerOpen(true);
+  };
+
+  const handleCloseDrawer = () => {
+    setDrawerOpen(false);
+    setSelectedPostId(null);
+  };
 
   if (!boardSlug) return <p>📂 게시판을 선택해주세요.</p>;
 
   return (
-    <div>
+    <div className="relative">
       <h2 className="text-lg font-bold mb-2">📝 게시글 목록</h2>
       <ul className="space-y-2">
         {posts.map((post) => (
-          <li key={post.id} className="border p-2 rounded shadow">
+          <li
+            key={post.id}
+            className="border p-2 rounded shadow cursor-pointer hover:bg-gray-100"
+            onClick={() => handleSelectPost(post.id)}
+          >
             <h3 className="font-semibold">{post.title}</h3>
             <p className="text-sm text-gray-500">작성자: {post.author_name}</p>
             <p className="text-gray-700 line-clamp-2">{post.content}</p>
           </li>
         ))}
       </ul>
+
+      {/* ✅ 슬라이딩 Drawer */}
+      <div
+        className={`fixed top-0 right-0 h-full w-full md:w-[480px] bg-white shadow-lg z-50 transform transition-transform duration-300 ${
+          drawerOpen ? "translate-x-0" : "translate-x-full"
+        }`}
+      >
+        <div className="flex justify-end p-4 border-b">
+          <button
+            onClick={handleCloseDrawer}
+            className="text-gray-500 hover:text-black"
+          >
+            ✖ 닫기
+          </button>
+        </div>
+        <div className="p-4 overflow-y-auto h-[calc(100%-64px)]">
+          {selectedPostId && (
+            <PostDetail
+              postId={selectedPostId}
+              boardSlug={boardSlug} // ✅ 필수
+              onClose={handleCloseDrawer}
+              onDeleted={loadPosts}
+            />
+          )}
+        </div>
+      </div>
+
+      {/* ✅ 배경 오버레이 */}
+      {drawerOpen && (
+        <div
+          className="fixed inset-0 bg-black bg-opacity-30 z-40"
+          onClick={handleCloseDrawer}
+        />
+      )}
     </div>
   );
 };
diff --git a/version b/version
index bc719c4..0e365fb 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-0.0.17-rc1
\ No newline at end of file
+0.0.17-rc2
\ No newline at end of file