diff --git a/next.config.ts b/next.config.ts
index e9ffa30..cb55ff1 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -2,6 +2,25 @@ import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
   /* config options here */
+  images: {
+    remotePatterns: [
+      {
+        protocol: "https",
+        hostname: "c.pxhere.com",
+        pathname: "/images/**",
+      },
+      {
+        protocol: "https",
+        hostname: "aromatica.co",
+        pathname: "/**",
+      },
+      {
+        protocol: "https",
+        hostname: "cafe24img.poxo.com",
+        pathname: "/**",
+      },
+    ],
+  },
 };
 
 export default nextConfig;
diff --git a/public/sample.jpg b/public/sample.jpg
new file mode 100644
index 0000000..b5e48e4
Binary files /dev/null and b/public/sample.jpg differ
diff --git a/src/app/components/AppHeader.tsx b/src/app/components/AppHeader.tsx
index 9340244..d9ed2e9 100644
--- a/src/app/components/AppHeader.tsx
+++ b/src/app/components/AppHeader.tsx
@@ -16,6 +16,7 @@ export function AppHeader() {
   const navRefs = React.useRef<Record<string, HTMLAnchorElement | null>>({});
   const panelRef = React.useRef<HTMLDivElement | null>(null);
   const blockRefs = React.useRef<Record<string, HTMLDivElement | null>>({});
+  const navItemRefs = React.useRef<Record<string, HTMLDivElement | null>>({});
   const [leftPositions, setLeftPositions] = React.useState<Record<string, number>>({});
   const [panelHeight, setPanelHeight] = React.useState<number>(0);
   const [blockWidths, setBlockWidths] = React.useState<Record<string, number>>({});
@@ -95,29 +96,15 @@ export function AppHeader() {
       if (!container) return;
       const containerRect = container.getBoundingClientRect();
       const nextPositions: Record<string, number> = {};
+      const nextWidths: Record<string, number> = {};
       categories.forEach((cat) => {
-        const a = navRefs.current[cat.slug];
-        if (a) {
-          const r = a.getBoundingClientRect();
-          nextPositions[cat.slug] = Math.max(0, r.left - containerRect.left);
-        }
+        const itemEl = navItemRefs.current[cat.slug];
+        if (!itemEl) return;
+        const r = itemEl.getBoundingClientRect();
+        nextPositions[cat.slug] = Math.max(0, r.left - containerRect.left);
+        nextWidths[cat.slug] = r.width; // 각 네비 항목의 실제 폭을 사용
       });
       setLeftPositions(nextPositions);
-
-      // 각 블록의 가로 폭 = 다음 항목의 left까지 남은 거리
-      // 마지막 항목은 컨테이너 끝까지 확장되지 않도록 width를 지정하지 않음
-      const nextWidths: Record<string, number> = {};
-      const ordered = categories
-        .filter((c) => typeof nextPositions[c.slug] === "number")
-        .sort((a, b) => (nextPositions[a.slug]! - nextPositions[b.slug]!));
-      ordered.forEach((cat, idx) => {
-        const currentLeft = nextPositions[cat.slug]!;
-        if (idx < ordered.length - 1) {
-          const nextLeft = nextPositions[ordered[idx + 1].slug]!;
-          const width = Math.max(0, nextLeft - currentLeft);
-          nextWidths[cat.slug] = width;
-        }
-      });
       setBlockWidths(nextWidths);
 
       // 패널 높이 = 블록들 중 최대 높이
@@ -166,11 +153,19 @@ export function AppHeader() {
           }}
         >
           <div className="flex items-center gap-8">
-            {categories.map((cat) => (
-              <div key={cat.id} className="relative group min-w-[80px] text-center" onMouseEnter={() => setOpenSlug(cat.slug)}>
+            {categories.map((cat, idx) => (
+              <div
+                key={cat.id}
+                className="relative group min-w-[80px] text-center"
+                onMouseEnter={() => setOpenSlug(cat.slug)}
+                ref={(el) => {
+                  navItemRefs.current[cat.slug] = el;
+                }}
+                style={{ minWidth: idx === categories.length - 1 ? 120 : undefined }}
+              >
                 <Link
                   href={cat.boards?.[0]?.id ? `/boards/${cat.boards[0].id}` : `/boards?category=${cat.slug}`}
-                  className={`px-2 py-2 text-sm font-medium transition-colors duration-200 hover:text-neutral-900 ${
+                  className={`px-2 py-2 text-sm font-medium transition-colors duration-200 hover:text-neutral-900 whitespace-nowrap ${
                     activeCategorySlug === cat.slug ? "text-neutral-900" : "text-neutral-700"
                   }`}
                   ref={(el) => {
@@ -197,7 +192,7 @@ export function AppHeader() {
             onMouseEnter={() => { cancelClose(); setMegaOpen(true); }}
             onMouseLeave={() => { scheduleClose(); }}
           >
-            <div className="px-4 py-4 w-full max-w-7xl mx-auto overflow-x-hidden">
+            <div className="px-4 py-4 w-full  mx-auto overflow-x-hidden">
               <div ref={panelRef} className="relative">
                 {categories.map((cat) => (
                   <div
@@ -206,7 +201,7 @@ export function AppHeader() {
                       blockRefs.current[cat.slug] = el;
                     }}
                     className="absolute top-0"
-                    style={{ left: (leftPositions[cat.slug] ?? 0) + 0, width: blockWidths[cat.slug] ?? undefined }}
+                    style={{ left: (leftPositions[cat.slug] ?? 0), width: blockWidths[cat.slug] ?? undefined }}
                   >
                     {/* <div className="mb-2 font-semibold text-neutral-800">{cat.name}</div> */}
                     <div className="flex flex-col gap-3">
@@ -214,7 +209,7 @@ export function AppHeader() {
                         <Link
                           key={b.id}
                           href={`/boards/${b.id}`}
-                          className={`rounded px-2 py-1 text-sm transition-colors duration-150 hover:bg-neutral-100 hover:text-neutral-900 text-center ${
+                          className={`rounded px-2 py-1 text-sm transition-colors duration-150 hover:bg-neutral-100 hover:text-neutral-900 text-center whitespace-nowrap ${
                             activeBoardId === b.id ? "bg-neutral-100 text-neutral-900 font-medium" : "text-neutral-700"
                           }`}
                           aria-current={activeBoardId === b.id ? "page" : undefined}
diff --git a/src/app/components/HeroBanner.tsx b/src/app/components/HeroBanner.tsx
index 7eb66a8..5a31053 100644
--- a/src/app/components/HeroBanner.tsx
+++ b/src/app/components/HeroBanner.tsx
@@ -1,30 +1,145 @@
 "use client";
-import { useEffect, useState } from "react";
+import { useCallback, useEffect, useMemo, useRef, useState } from "react";
+import Image from "next/image";
 
 type Banner = { id: string; title: string; imageUrl: string; linkUrl?: string | null };
 
 export function HeroBanner() {
   const [banners, setBanners] = useState<Banner[]>([]);
-  const [idx, setIdx] = useState(0);
+  const [activeIndex, setActiveIndex] = useState(0);
+  const [isHovered, setIsHovered] = useState(false);
+  const [progress, setProgress] = useState(0); // 0..1
+  const rotationMs = 5000;
+  const rafIdRef = useRef<number | null>(null);
+  const startedAtRef = useRef<number>(0);
+
   useEffect(() => {
     fetch("/api/banners").then((r) => r.json()).then((d) => setBanners(d.banners ?? []));
   }, []);
+
+  const numSlides = banners.length;
+  const canAutoPlay = numSlides > 1 && !isHovered;
+
+  const startTicker = useCallback(() => {
+    if (!canAutoPlay) return;
+    startedAtRef.current = performance.now();
+    const tick = () => {
+      const now = performance.now();
+      const elapsed = now - startedAtRef.current;
+      const nextProgress = Math.min(1, elapsed / rotationMs);
+      setProgress(nextProgress);
+      if (nextProgress >= 1) {
+        setActiveIndex((i) => (i + 1) % Math.max(1, numSlides));
+        startedAtRef.current = performance.now();
+        setProgress(0);
+      }
+      rafIdRef.current = window.requestAnimationFrame(tick);
+    };
+    rafIdRef.current = window.requestAnimationFrame(tick);
+  }, [canAutoPlay, numSlides, rotationMs]);
+
+  const stopTicker = useCallback(() => {
+    if (rafIdRef.current) {
+      window.cancelAnimationFrame(rafIdRef.current);
+      rafIdRef.current = null;
+    }
+  }, []);
+
   useEffect(() => {
-    if ((banners?.length ?? 0) < 2) return;
-    const t = setInterval(() => setIdx((i) => (i + 1) % banners.length), 3000);
-    return () => clearInterval(t);
-  }, [banners]);
-  const slide = banners[idx];
-  if (!slide) return null;
-  const content = (
-    <div style={{ display: "flex", alignItems: "center", gap: 12 }}>
-      <img src={slide.imageUrl} alt={slide.title} style={{ width: 72, height: 48, objectFit: "cover", borderRadius: 6 }} />
-      <h1 style={{ margin: 0 }}>{slide.title}</h1>
-    </div>
-  );
+    stopTicker();
+    setProgress(0);
+    startTicker();
+    return () => stopTicker();
+  }, [startTicker, stopTicker, activeIndex, isHovered, numSlides]);
+
+  const goTo = useCallback((index: number) => {
+    if (numSlides === 0) return;
+    const next = (index + numSlides) % numSlides;
+    setActiveIndex(next);
+    setProgress(0);
+    startedAtRef.current = performance.now();
+  }, [numSlides]);
+
+  const goPrev = useCallback(() => goTo(activeIndex - 1), [activeIndex, goTo]);
+  const goNext = useCallback(() => goTo(activeIndex + 1), [activeIndex, goTo]);
+
+  const translatePercent = useMemo(() => (numSlides > 0 ? -(activeIndex * 100) : 0), [activeIndex, numSlides]);
+
+  if (numSlides === 0) return null;
+
   return (
-    <section style={{ padding: 16, background: "#f5f5f5", borderRadius: 12, marginBottom: 16 }}>
-      {slide.linkUrl ? <a href={slide.linkUrl}>{content}</a> : content}
+    <section
+      className="relative w-full overflow-hidden rounded-xl bg-neutral-900 text-white"
+      onMouseEnter={() => setIsHovered(true)}
+      onMouseLeave={() => setIsHovered(false)}
+      aria-roledescription="carousel"
+    >
+      <div className="relative h-56 sm:h-72 md:h-[420px]">
+        <div
+          className="flex h-full w-full transition-transform duration-500 ease-out"
+          style={{ transform: `translate3d(${translatePercent}%, 0, 0)`, width: `${numSlides * 100}%` }}
+        >
+          {banners.map((banner) => (
+            <div key={banner.id} className="relative h-full w-full shrink-0">
+              {banner.linkUrl ? (
+                <a href={banner.linkUrl} className="block h-full w-full focus:outline-none focus:ring-2 focus:ring-white/60" aria-label={banner.title}>
+                  <Image src={banner.imageUrl} alt={banner.title} fill priority className="object-cover" />
+                </a>
+              ) : (
+                <Image src={banner.imageUrl} alt={banner.title} fill priority className="object-cover" />
+              )}
+              <div className="pointer-events-none absolute inset-0 bg-gradient-to-t from-black/60 via-black/10 to-transparent" />
+              <div className="absolute bottom-3 left-4 right-4 md:bottom-5 md:left-6 md:right-6">
+                <h2 className="line-clamp-2 text-lg font-semibold md:text-2xl">{banner.title}</h2>
+              </div>
+            </div>
+          ))}
+        </div>
+
+        {/* Controls */}
+        {numSlides > 1 && (
+          <>
+            <button
+              type="button"
+              aria-label="Previous slide"
+              onClick={goPrev}
+              className="absolute left-2 top-1/2 z-10 -translate-y-1/2 rounded-full bg-black/40 p-2 text-white backdrop-blur transition hover:bg-black/60 focus:outline-none focus:ring-2 focus:ring-white/60"
+            >
+              <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" className="h-5 w-5"><path d="M15.75 19.5 8.25 12l7.5-7.5" /></svg>
+            </button>
+            <button
+              type="button"
+              aria-label="Next slide"
+              onClick={goNext}
+              className="absolute right-2 top-1/2 z-10 -translate-y-1/2 rounded-full bg-black/40 p-2 text-white backdrop-blur transition hover:bg-black/60 focus:outline-none focus:ring-2 focus:ring-white/60"
+            >
+              <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" className="h-5 w-5"><path d="M8.25 4.5 15.75 12l-7.5 7.5" /></svg>
+            </button>
+          </>
+        )}
+      </div>
+
+      {/* Progress bar
+      {numSlides > 1 && (
+        <div className="absolute bottom-0 left-0 right-0 z-10 h-1 bg-white/20">
+          <div className="h-full bg-white transition-[width] duration-100" style={{ width: `${progress * 100}%` }} />
+        </div>
+      )} */}
+
+      {/* Pagination */}
+      {numSlides > 1 && (
+        <div className="absolute bottom-3 right-3 z-10 flex gap-2">
+          {banners.map((_, i) => (
+            <button
+              key={i}
+              aria-label={`Go to slide ${i + 1}`}
+              aria-current={activeIndex === i ? "true" : undefined}
+              onClick={() => goTo(i)}
+              className={`h-2 w-2 rounded-full transition ${activeIndex === i ? "bg-white" : "bg-white/40 hover:bg-white/70"}`}
+            />
+          ))}
+        </div>
+      )}
     </section>
   );
 }
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index 9f9b420..1efe4bc 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -23,7 +23,7 @@ export default function RootLayout({
           <ToastProvider>
             <div className="min-h-screen flex flex-col">
               <div className="sticky top-0 z-50 bg-white/80 backdrop-blur">
-                <div className="mx-auto max-w-7xl w-full">
+                <div className="mx-auto w-full">
                   <AppHeader />
                 </div>
               </div>
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 76b5a6d..3eb86f7 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -1,7 +1,8 @@
 import { HeroBanner } from "@/app/components/HeroBanner";
 
-export default function Home({ searchParams }: { searchParams?: { sort?: "recent" | "popular" } }) {
-  const sort = searchParams?.sort ?? "recent";
+export default async function Home({ searchParams }: { searchParams: Promise<{ sort?: "recent" | "popular" } | undefined> }) {
+  const sp = await searchParams;
+  const sort = sp?.sort ?? "recent";
   return (
     <div className="space-y-8">
       {/* 히어로 섹션: 상단 대형 비주얼 영역 */}