diff --git a/.gitignore b/.gitignore
index 186a405..c09a7da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,3 +28,5 @@ CLAUDE.md
 # 로컬 리서치 노트(크롤링 라이브러리·안티스크래핑 조사) — 추적 안 함, 로컬 참고용
 /Temp.md
 /new.md
+
+/mobile.mov
diff --git a/landing/app/components/sections/hero-neumorphic.tsx b/landing/app/components/sections/hero-neumorphic.tsx
index 648afae..8793f8f 100644
--- a/landing/app/components/sections/hero-neumorphic.tsx
+++ b/landing/app/components/sections/hero-neumorphic.tsx
@@ -57,8 +57,8 @@ export function HeroNeumorphic() {
             className="w-full flex justify-center"
           >
             <video
-              src="/gifs/negotiation_annotated.mp4"
-              poster="/gifs/negotiation_annotated.jpg"
+              src="/gifs/negotiation_annotated_3d.mp4?v=w3"
+              poster="/gifs/negotiation_annotated_3d.jpg?v=w3"
               autoPlay
               muted
               loop
diff --git a/landing/app/components/sections/how-it-works-demo.tsx b/landing/app/components/sections/how-it-works-demo.tsx
index 6810537..64dbbd2 100644
--- a/landing/app/components/sections/how-it-works-demo.tsx
+++ b/landing/app/components/sections/how-it-works-demo.tsx
@@ -241,8 +241,6 @@ const DEMO_TABS: DemoTab[] = [
     checks: ["1:1 비대면 협상 포털 제공", "불필요한 실랑이를 예방하여 파트너십 보호"],
     mockup: "phone",
     gif: "/gifs/negotiation.gif",
-    video: "/gifs/negotiation.mp4",
-    poster: "/gifs/negotiation.jpg",
     gifAlt: "AI 모바일 자동 협상 시연",
     fallback: {
       icon: Smartphone,
diff --git a/landing/app/components/ui/device-mockups.tsx b/landing/app/components/ui/device-mockups.tsx
index 3e3781e..cad6f64 100644
--- a/landing/app/components/ui/device-mockups.tsx
+++ b/landing/app/components/ui/device-mockups.tsx
@@ -23,11 +23,11 @@ function BrowserFrame({ url, children }: { url: string; children: React.ReactNod
 function PhoneFrame({ children }: { children: React.ReactNode }) {
   return (
     <div className="relative bg-black rounded-[48px] p-3 shadow-[0_20px_50px_rgba(0,0,0,0.15)] border-4 border-line-strong w-full max-w-[290px] aspect-[9/18] overflow-hidden flex flex-col">
-      <div className="absolute top-4 left-1/2 -translate-x-1/2 bg-black h-5 w-28 rounded-full z-20 flex items-center justify-around px-4">
-        <span className="w-1.5 h-1.5 rounded-full bg-[#1F2022]" />
-        <span className="w-10 h-1 bg-[#1F2022] rounded-full" />
+      {/* 노치는 화면 '안쪽'에 작은 아일랜드로 — 베젤과 붙으면 검은 덩어리처럼 보인다 */}
+      <div className="bg-white rounded-[36px] flex-1 overflow-hidden relative flex flex-col justify-center items-center">
+        <div className="absolute top-1 left-1/2 -translate-x-1/2 bg-black/70 h-0.5 w-3.5 rounded-full z-20" />
+        {children}
       </div>
-      <div className="bg-white rounded-[36px] flex-1 overflow-hidden relative flex flex-col justify-center items-center">{children}</div>
     </div>
   )
 }
diff --git a/landing/app/routes/home.tsx b/landing/app/routes/home.tsx
index 749f85c..af4aaae 100644
--- a/landing/app/routes/home.tsx
+++ b/landing/app/routes/home.tsx
@@ -1,5 +1,3 @@
-import { useState } from "react";
-
 import { Comparison } from "@/components/sections/comparison";
 import { Contact } from "@/components/sections/contact";
 import { CoreValues } from "@/components/sections/core-values";
@@ -7,8 +5,6 @@ import { Faq } from "@/components/sections/faq";
 import { FinalCTA } from "@/components/sections/final-cta";
 import { Footer } from "@/components/sections/footer";
 import { Header } from "@/components/sections/header";
-import { HeroConsole } from "@/components/sections/hero-console";
-import { HeroGlassmorphic } from "@/components/sections/hero-glassmorphic";
 import { HeroNeumorphic } from "@/components/sections/hero-neumorphic";
 import { HowItWorksDemo } from "@/components/sections/how-it-works-demo";
 import { NegotiationConsole } from "@/components/sections/negotiation-console";
@@ -30,23 +26,11 @@ export function meta() {
   ];
 }
 
-type HeroTheme = "neumorphic" | "glassmorphic" | "console";
-
 export default function Home() {
-  // 히어로 디자인 비교용 — 스위처는 dev 에서만 노출, 배포본은 console(Live Console) 고정
-  const [heroTheme, setHeroTheme] = useState<HeroTheme>("console");
-
   return (
     <div className="min-h-screen bg-white text-ink font-sans antialiased selection:bg-primary/10 selection:text-primary">
       <Header />
-
-      <div className="relative">
-        {import.meta.env.DEV && <HeroThemeSwitcher value={heroTheme} onChange={setHeroTheme} />}
-        {heroTheme === "neumorphic" && <HeroNeumorphic />}
-        {heroTheme === "glassmorphic" && <HeroGlassmorphic />}
-        {heroTheme === "console" && <HeroConsole />}
-      </div>
-
+      <HeroNeumorphic />
       <NegotiationConsole />
       <HowItWorksDemo />
       <Reinforcement />
@@ -59,28 +43,3 @@ export default function Home() {
     </div>
   );
 }
-
-const HERO_OPTIONS: { value: HeroTheme; label: string }[] = [
-  { value: "neumorphic", label: "Phone Demo" },
-  { value: "glassmorphic", label: "Soft Ambient" },
-  { value: "console", label: "Live Console" },
-];
-
-function HeroThemeSwitcher({ value, onChange }: { value: HeroTheme; onChange: (theme: HeroTheme) => void }) {
-  return (
-    <div className="absolute top-24 left-1/2 -translate-x-1/2 z-30 flex items-center gap-1.5 p-1 rounded-full shadow-[0_4px_20px_rgba(0,0,0,0.06)] border border-line-strong bg-white/95 text-ink-soft backdrop-blur-md text-xs font-semibold">
-      <span className="pl-3.5 pr-1.5 text-[10px] uppercase tracking-wider text-ink-muted font-bold">Hero Design:</span>
-      {HERO_OPTIONS.map((option) => (
-        <button
-          key={option.value}
-          onClick={() => onChange(option.value)}
-          className={`px-3.5 py-1.5 rounded-full transition-all cursor-pointer ${
-            value === option.value ? "bg-primary text-white shadow-sm font-bold" : "hover:text-ink"
-          }`}
-        >
-          {option.label}
-        </button>
-      ))}
-    </div>
-  );
-}
diff --git a/landing/public/gifs/negotiation_annotated_3d.jpg b/landing/public/gifs/negotiation_annotated_3d.jpg
index 54dfd87..6f0d01a 100644
Binary files a/landing/public/gifs/negotiation_annotated_3d.jpg and b/landing/public/gifs/negotiation_annotated_3d.jpg differ
diff --git a/landing/public/gifs/negotiation_annotated_3d.mp4 b/landing/public/gifs/negotiation_annotated_3d.mp4
index db711ee..d8598cd 100644
Binary files a/landing/public/gifs/negotiation_annotated_3d.mp4 and b/landing/public/gifs/negotiation_annotated_3d.mp4 differ