diff --git a/frontend/src/features/chat/components/ChatMessage.tsx b/frontend/src/features/chat/components/ChatMessage.tsx
index a8d5c8d..281c44d 100644
--- a/frontend/src/features/chat/components/ChatMessage.tsx
+++ b/frontend/src/features/chat/components/ChatMessage.tsx
@@ -36,7 +36,7 @@ function ChatList() {
   if (!chats || chats.length === 0) {
     return (
       <div className="flex items-center justify-center h-full">
-        <p className="text-base text-neutral-60">채팅 내역이 없습니다.</p>
+        <p className="text-sm text-neutral-60">채팅 내역이 없습니다.</p>
       </div>
     )
   }
diff --git a/frontend/src/features/chat/components/ChatSection.tsx b/frontend/src/features/chat/components/ChatSection.tsx
index bd47e77..cbad604 100644
--- a/frontend/src/features/chat/components/ChatSection.tsx
+++ b/frontend/src/features/chat/components/ChatSection.tsx
@@ -1,11 +1,13 @@
 import { useChatStore } from '@/features/chat/stores/useChatStore'
 import { ChatMessage } from '@/features/chat/components/ChatMessage'
 import { UserButton } from '@/features/chat/components/UserButton'
+import { MobileStepBar } from '@/features/chat/components/MobileStepBar'
 
 export function ChatSection() {
   const { userButtonConfig } = useChatStore()
   return (
     <div className="flex flex-1 flex-col w-full h-full min-h-0 bg-surface">
+      <MobileStepBar />
       <ChatMessage />
       {/* 하단 액션 덱 */}
       <div className="shrink-0 border-t border-border bg-white shadow-[0_-4px_20px_rgba(0,0,0,0.03)]">
diff --git a/frontend/src/features/chat/components/MobileStepBar.tsx b/frontend/src/features/chat/components/MobileStepBar.tsx
new file mode 100644
index 0000000..cbb37ea
--- /dev/null
+++ b/frontend/src/features/chat/components/MobileStepBar.tsx
@@ -0,0 +1,46 @@
+import { Check } from 'lucide-react'
+import { cn } from '@/lib'
+import { useChatStore } from '@/features/chat/stores/useChatStore'
+import { STEPS } from '@/features/chat/components/menu/NegoStep'
+
+// 모바일 전용: 협상절차를 채팅 상단에 가로 스텝바로 항상 표시한다. (데스크톱은 우측 패널 사용)
+export function MobileStepBar() {
+  const chats = useChatStore((s) => s.messages)
+  const currentStep = chats[chats.length - 1]?.display_step || STEPS[0].name
+  const idx = Math.max(
+    0,
+    STEPS.findIndex((s) => s.name === currentStep),
+  )
+
+  return (
+    <div className="shrink-0 border-b border-border bg-white px-4 py-2.5 lg:hidden">
+      <div className="flex items-center">
+        {STEPS.map((step, i) => {
+          const done = i < idx
+          const current = i === idx
+          return (
+            <div key={step.name} className={cn('flex items-center', i < STEPS.length - 1 && 'flex-1')}>
+              <div
+                className={cn(
+                  'flex size-5 shrink-0 items-center justify-center rounded-full text-[10px] font-bold transition-colors',
+                  done && 'bg-success text-white',
+                  current && 'bg-brand-600 text-white ring-4 ring-brand-light',
+                  !done && !current && 'border border-border bg-white text-neutral-50',
+                )}
+              >
+                {done ? <Check className="size-3" strokeWidth={3} /> : i + 1}
+              </div>
+              {i < STEPS.length - 1 && (
+                <div className={cn('mx-1 h-0.5 flex-1 rounded-full', i < idx ? 'bg-success' : 'bg-neutral-20')} />
+              )}
+            </div>
+          )
+        })}
+      </div>
+      <p className="mt-1.5 truncate text-[11px] font-bold text-brand-600">
+        {idx + 1}. {STEPS[idx].name}
+        <span className="ml-1 font-normal text-neutral-50">{STEPS[idx].desc}</span>
+      </p>
+    </div>
+  )
+}
diff --git a/frontend/src/features/chat/components/RemainingTime.tsx b/frontend/src/features/chat/components/RemainingTime.tsx
index c631117..b507076 100644
--- a/frontend/src/features/chat/components/RemainingTime.tsx
+++ b/frontend/src/features/chat/components/RemainingTime.tsx
@@ -20,7 +20,7 @@ export function RemainingTime() {
   return (
     <span
       className={cn(
-        'inline-flex items-center gap-1.5 rounded-full px-3 py-1 text-xs font-bold whitespace-nowrap',
+        'inline-flex items-center gap-1.5 rounded-full px-3 py-1 text-xs font-bold whitespace-nowrap tabular-nums',
         ended ? 'bg-neutral-20 text-neutral-60' : 'bg-brand-light text-brand-600',
       )}
     >
diff --git a/frontend/src/features/chat/components/menu/Contact.tsx b/frontend/src/features/chat/components/menu/Contact.tsx
index 4a56ba1..7b2f38a 100644
--- a/frontend/src/features/chat/components/menu/Contact.tsx
+++ b/frontend/src/features/chat/components/menu/Contact.tsx
@@ -1,33 +1,14 @@
-import { useState } from 'react'
-import { interactive, cn } from '@/lib'
-import { ServiceGuidePopup } from '@/features/chat/components/popup/ServiceGuidePopup'
-
-// 헬프데스크 — 이용 가이드 버튼 클릭 시 안내 팝업을 연다.
+// 헬프데스크 — 연락처. (안내 팝업 진입은 상단 '유의사항 및 이용방법' 섹션으로 일원화)
 export function Contact() {
-  const [isOpen, setIsOpen] = useState(false)
-
   return (
     <section className="w-full pt-4">
       <div className="border-b border-border pb-2">
         <span className="text-[11px] font-bold tracking-wide text-neutral-60">헬프데스크</span>
       </div>
-      <div className="flex flex-col gap-2 pt-3">
-        <button
-          type="button"
-          onClick={() => setIsOpen(true)}
-          className={cn(
-            'w-fit rounded-lg border border-border bg-white px-3 py-1.5 text-sm font-semibold text-neutral-70 hover:bg-neutral-10',
-            interactive,
-          )}
-        >
-          이용 가이드
-        </button>
-        <div className="flex flex-col gap-0.5 text-sm text-neutral-60">
-          <span>010-0000-0000</span>
-          <span>o2odev@o2o.kr</span>
-        </div>
+      <div className="flex flex-col gap-1 pt-3 text-sm text-neutral-60">
+        <span>010-0000-0000</span>
+        <span>o2odev@o2o.kr</span>
       </div>
-      {isOpen && <ServiceGuidePopup onClose={() => setIsOpen(false)} />}
     </section>
   )
 }
diff --git a/frontend/src/features/chat/components/menu/NegoStep.tsx b/frontend/src/features/chat/components/menu/NegoStep.tsx
index c813955..26f626f 100644
--- a/frontend/src/features/chat/components/menu/NegoStep.tsx
+++ b/frontend/src/features/chat/components/menu/NegoStep.tsx
@@ -7,7 +7,7 @@ interface Props {
   setIsOpen: (isOpen: boolean) => void
 }
 
-const STEPS = [
+export const STEPS = [
   { name: '서비스안내', desc: '협상 방식과 유의사항을 확인합니다.' },
   { name: '담당자확인', desc: '협상 담당자 본인 여부를 확인합니다.' },
   { name: '협상품목안내', desc: '대상 품목과 기준 단가를 확인합니다.' },
@@ -61,7 +61,7 @@ export function NegoStep({ isOpen, setIsOpen }: Props) {
                   <div className="min-w-0">
                     <p
                       className={cn(
-                        'text-sm leading-tight',
+                        'text-xs leading-tight',
                         current && 'font-extrabold text-brand-600',
                         done && 'font-semibold text-success',
                         !done && !current && 'font-medium text-neutral-80',
@@ -69,7 +69,7 @@ export function NegoStep({ isOpen, setIsOpen }: Props) {
                     >
                       {step.name}
                     </p>
-                    <p className={cn('mt-0.5 text-[11px] leading-snug', current ? 'text-brand-600/80' : 'text-neutral-50')}>
+                    <p className={cn('mt-0.5 text-[10px] leading-snug', current ? 'text-brand-600/80' : 'text-neutral-50')}>
                       {step.desc}
                     </p>
                   </div>
diff --git a/frontend/src/features/chat/components/popup/GuideContent.tsx b/frontend/src/features/chat/components/popup/GuideContent.tsx
index 79ad893..4982d00 100644
--- a/frontend/src/features/chat/components/popup/GuideContent.tsx
+++ b/frontend/src/features/chat/components/popup/GuideContent.tsx
@@ -3,14 +3,13 @@ import { useChatInitStore } from '@/features/chat/stores/useChatInitStore'
 
 // 협상 유의사항 및 서비스 이용 방법 안내 — 팝업 2종(자동 안내/메뉴 가이드)이 공유하는 본문.
 // VAT/배송비 문구는 채팅 init 메타(useChatInitStore)를 읽어 상품별로 동적 표시한다.
-// break-keep: 한국어 단어가 중간에서 잘려 줄바꿈되지 않도록 한다.
-const textStyle = 'text-[17px] font-normal leading-[150%] tracking-[-0.34px] text-neutral-90 break-keep'
+const bodyStyle = 'text-sm font-normal leading-relaxed text-neutral-70 break-keep'
 
 function Bullet({ children }: { children: ReactNode }) {
   return (
-    <div className="flex items-start py-[6px]">
-      <p className="ml-[8px] mr-[6px] flex-shrink-0">•</p>
-      <div className={`${textStyle} flex-1`}>{children}</div>
+    <div className="flex items-start gap-2.5 py-1.5">
+      <span className="mt-[7px] size-1.5 shrink-0 rounded-full bg-brand-600" />
+      <div className={`${bodyStyle} flex-1`}>{children}</div>
     </div>
   )
 }
@@ -23,24 +22,26 @@ export function GuideContent() {
 
   return (
     <div className="flex w-full flex-col">
-      <div className="mb-8 break-keep text-center text-lg font-bold text-neutral-90">
+      <div className="mb-5 break-keep text-center text-base font-bold text-neutral-90">
         협상 유의 사항 및 서비스 이용 방법 안내
       </div>
 
-      <div className="flex flex-col items-start">
-        <div className={`${textStyle} mb-2`}>
-          협상과 관련하여 다음 사항을 참고하여 견적에 참여해 주시기 바랍니다.
-        </div>
+      <div className={`${bodyStyle} mb-2`}>
+        협상과 관련하여 다음 사항을 참고하여 견적에 참여해 주시기 바랍니다.
+      </div>
 
+      <div className="flex flex-col divide-y divide-border/60 rounded-xl border border-border px-4 py-1">
         <Bullet>
           협상 개시는&nbsp;
-          <span className="font-bold">Negosium 시스템의 협상 참여 버튼을 클릭하는 순간부터 시작</span>
+          <span className="font-semibold text-neutral-90">
+            Negosium 시스템의 협상 참여 버튼을 클릭하는 순간부터 시작
+          </span>
           됩니다.
         </Bullet>
 
         <Bullet>
           부여된 협상 시간에&nbsp;
-          <span className="font-bold">
+          <span className="font-semibold text-neutral-90">
             응찰하지 않는 경우, 협상 참여의사가 없는 것으로 간주하여 재견적으로 진행
           </span>
           될 수 있습니다.
@@ -48,25 +49,23 @@ export function GuideContent() {
 
         <Bullet>
           협상에 입력되는 모든 가격은&nbsp;
-          <span className="font-bold text-negative">
+          <span className="font-semibold text-negative">
             {vat} 및 {deliveryFee}
           </span>
           &nbsp;기준이며,&nbsp;
-          <span className="font-bold">
+          <span className="font-semibold text-neutral-90">
             할인을 요청하는 경우 기존 공급가격에 할인율이 적용된 가격으로 환산
           </span>
           되어 제시됩니다.
         </Bullet>
 
         <Bullet>
-          본 협상 결과에 대해서는 협상자와 협상대상자 간의 비밀 유지 조건으로 진행되고, 협상에서
-          얻어진 결과나 내용에 대해서는 당사자를 제외하고 제 3자에 공유할 수 없으며, 비밀 유지를
-          전제로 진행됩니다.
+          본 협상 결과에 대해서는 협상자와 협상대상자 간의 비밀 유지 조건으로 진행되고, 협상에서 얻어진 결과나 내용에
+          대해서는 당사자를 제외하고 제 3자에 공유할 수 없으며, 비밀 유지를 전제로 진행됩니다.
         </Bullet>
 
         <Bullet>
-          협상이 종결되면 특별한 사유 없이 취소 변경이 불가하니, 신중하게 협상에 참여해 주시기
-          바랍니다.
+          협상이 종결되면 특별한 사유 없이 취소 변경이 불가하니, 신중하게 협상에 참여해 주시기 바랍니다.
         </Bullet>
 
         <Bullet>안내된 사항 외 부분은 기존 견적 프로세스와 동일한 부분 유의 바랍니다.</Bullet>
@@ -78,13 +77,12 @@ export function GuideContent() {
 // 하단 문의 안내 박스
 export function GuideContactBox() {
   return (
-    <div className="flex w-full flex-col items-center gap-2 rounded-[16px] bg-neutral-10 p-6">
-      <div className={`${textStyle} text-center`}>
-        기타 협상과정에서 궁금한 사항이나 문의하실 사항은 아래의 연락처로 상담을 부탁드립니다.
+    <div className="flex w-full flex-col items-center gap-1.5 rounded-xl bg-neutral-10 p-4">
+      <div className={`${bodyStyle} text-center`}>
+        기타 협상 과정에서 궁금하거나 문의하실 사항은 아래 연락처로 상담 부탁드립니다.
       </div>
-      {/* textStyle 의 font-normal 과 같은 요소에서 충돌하지 않도록 bold 는 별도 조합으로 준다 */}
-      <div className="break-keep text-center text-[17px] font-bold leading-[150%] tracking-[-0.34px] text-neutral-90">
-        헬프데스크 010-0000-0000, 이메일: o2odev@o2o.kr
+      <div className="break-keep text-center text-sm font-bold text-neutral-90">
+        헬프데스크 010-0000-0000 · o2odev@o2o.kr
       </div>
     </div>
   )
diff --git a/frontend/src/features/chat/components/templates/RejectCM.tsx b/frontend/src/features/chat/components/templates/RejectCM.tsx
index f9d9b41..ded0edf 100644
--- a/frontend/src/features/chat/components/templates/RejectCM.tsx
+++ b/frontend/src/features/chat/components/templates/RejectCM.tsx
@@ -53,7 +53,7 @@ export function RejectCM() {
 
   return (
     <div className="flex flex-col w-full p-8 bg-white rounded-2xl border border-border shadow-sm gap-2 transition-all duration-300">
-      <div className="flex w-full items-center justify-center gap-2 rounded-xl bg-[#FFF1F1] px-4 py-3 text-base font-bold text-[#E5484D]">
+      <div className="flex w-full items-center justify-center gap-2 rounded-xl bg-[#FFF1F1] px-4 py-3 text-sm font-bold text-[#E5484D]">
         <AlertTriangle className="size-5 shrink-0" />
         최종 공급 희망 가격 입력
       </div>
diff --git a/frontend/src/features/chat/components/templates/RejectRSP.tsx b/frontend/src/features/chat/components/templates/RejectRSP.tsx
index b5eadfe..05b6118 100644
--- a/frontend/src/features/chat/components/templates/RejectRSP.tsx
+++ b/frontend/src/features/chat/components/templates/RejectRSP.tsx
@@ -82,7 +82,7 @@ export function RejectRSP() {
 
   return (
     <div className="flex flex-col w-full p-8 bg-white rounded-2xl border border-border shadow-sm gap-2 transition-all duration-300">
-      <div className="flex w-full items-center justify-center gap-2 rounded-xl bg-[#FFF1F1] px-4 py-3 text-base font-bold text-[#E5484D]">
+      <div className="flex w-full items-center justify-center gap-2 rounded-xl bg-[#FFF1F1] px-4 py-3 text-sm font-bold text-[#E5484D]">
         <AlertTriangle className="size-5 shrink-0" />
         협상 합의 불가 사유 및 최종 제안 단가 입력
       </div>
diff --git a/frontend/src/features/chat/components/userInputs.tsx b/frontend/src/features/chat/components/userInputs.tsx
index 793d6f8..ab20e89 100644
--- a/frontend/src/features/chat/components/userInputs.tsx
+++ b/frontend/src/features/chat/components/userInputs.tsx
@@ -32,13 +32,13 @@ function InputWithUnit({
           value={value}
           onChange={onChange}
           onKeyDown={(e) => e.key === 'Enter' && onSubmit()}
-          className="h-[52px] flex-1 bg-neutral-10 rounded-xl outline-none border-2 border-brand-600 text-lg font-bold text-neutral-90 placeholder:text-sm placeholder:font-normal placeholder:text-neutral-50 pl-4 pr-[124px]"
+          className="h-[52px] flex-1 bg-neutral-10 rounded-xl outline-none border-2 border-brand-600 text-base font-bold text-neutral-90 placeholder:text-sm placeholder:font-normal placeholder:text-neutral-50 pl-4 pr-[124px]"
           placeholder={placeholder}
           aria-label={ariaLabel}
           aria-invalid={!!error}
           aria-describedby={error ? errorId : undefined}
         />
-        <div className="absolute left-4 text-lg font-bold text-neutral-70 pointer-events-none">
+        <div className="absolute left-4 text-base font-bold text-neutral-70 pointer-events-none">
           <span className="opacity-0">{value}</span>
           {value && <span className="ml-1">{unit}</span>}
         </div>
diff --git a/landing/app/app.css b/landing/app/app.css
index e83ae98..14df723 100644
--- a/landing/app/app.css
+++ b/landing/app/app.css
@@ -19,9 +19,9 @@
   --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
 
   /* 브랜드 */
-  --color-primary: #3182F6;
-  --color-primary-deep: #1B64DA; /* hover */
-  --color-primary-soft: #E8F3FF; /* 연한 파랑 배경 — 봇 말풍선, 배지 */
+  --color-primary: #476EFF;
+  --color-primary-deep: #2F52E0; /* hover */
+  --color-primary-soft: #ECF0FF; /* 연한 파랑 배경 — 봇 말풍선, 배지 */
 
   /* 텍스트. ink 는 다크 섹션에선 배경색으로도 쓴다 */
   --color-ink: #191F28;
@@ -38,6 +38,10 @@
   --color-line-strong: #E5E8EB; /* 카드 테두리 */
 
   --color-positive: #0B8F57; /* 낙찰·성공 강조 */
+  --color-positive-soft: #E8F7EF; /* 연한 초록 배경 — 낙찰 배지 */
+
+  --color-accent: #8F52FF; /* 보라 강조 — 결과 탭·히어로 장식 */
+  --color-accent-soft: #F4EFFF; /* 연한 보라 배경 */
 }
 
 html {
diff --git a/landing/app/components/sections/comparison.tsx b/landing/app/components/sections/comparison.tsx
index c239f20..af6ea76 100644
--- a/landing/app/components/sections/comparison.tsx
+++ b/landing/app/components/sections/comparison.tsx
@@ -7,22 +7,33 @@ import { SectionHeading } from "@/components/ui/section-heading"
 import { Typography } from "@/components/ui/typography"
 import { useFadeUp } from "@/lib/motion"
 
-/** 기존 방식 ↔ 도입 후 토글 비교 — 화면 진입 시 자동으로 오가고, 사용자가 누르면 수동 고정. */
+/** 기존 방식 ↔ 도입 후 토글 비교 — 화면 진입 시 자동으로 오가고, 누르면 잠시 수동(8초 후 자동 재개). */
 export function Comparison() {
   const fadeUp = useFadeUp()
   const toggleFadeUp = useFadeUp(0.1)
   const [mode, setMode] = useState<Mode>("before")
-  // 사용자가 직접 토글을 누르면 자동 전환 중단
+  // 사용자가 토글을 누르면 잠시 자동 전환 중단, 8초 무조작 시 재개
   const [locked, setLocked] = useState(false)
   const [inView, setInView] = useState(false)
   const sectionRef = useRef<HTMLDivElement>(null)
+  const lockTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
+
+  const selectMode = (key: Mode) => {
+    setMode(key)
+    setLocked(true)
+    if (lockTimerRef.current) clearTimeout(lockTimerRef.current)
+    lockTimerRef.current = setTimeout(() => setLocked(false), 8000)
+  }
 
   useEffect(() => {
     const el = sectionRef.current
     if (!el) return
     const observer = new IntersectionObserver(([entry]) => setInView(entry.isIntersecting), { threshold: 0.35 })
     observer.observe(el)
-    return () => observer.disconnect()
+    return () => {
+      observer.disconnect()
+      if (lockTimerRef.current) clearTimeout(lockTimerRef.current)
+    }
   }, [])
 
   useEffect(() => {
@@ -32,13 +43,13 @@ export function Comparison() {
   }, [inView, locked])
 
   return (
-    <Section id="comparison" bordered>
+    <Section id="comparison">
       <motion.div {...fadeUp} className="mb-12">
         <SectionHeading
           align="center"
           eyebrow="WHY NEGOTIUM"
           title="협상 방식을 바꾸면, 무엇이 달라질까요"
-          description="기존 가격 협상의 문제는 사람이 아니라 구조입니다. 버튼을 눌러 직접 비교해 보세요."
+          description="기존 가격 협상의 문제는 사람이 아니라 구조입니다."
           descriptionClassName="mt-4 text-[17px] max-w-2xl"
         />
       </motion.div>
@@ -49,10 +60,7 @@ export function Comparison() {
           {MODES.map((m) => (
             <button
               key={m.key}
-              onClick={() => {
-                setLocked(true)
-                setMode(m.key)
-              }}
+              onClick={() => selectMode(m.key)}
               className={`px-5 py-2.5 rounded-[10px] text-xs sm:text-sm font-bold transition-all flex items-center gap-2 cursor-pointer ${
                 mode === m.key ? "bg-white text-primary shadow-sm" : "text-ink-soft hover:text-ink"
               }`}
diff --git a/landing/app/components/sections/faq.tsx b/landing/app/components/sections/faq.tsx
index ef608e7..b68fb00 100644
--- a/landing/app/components/sections/faq.tsx
+++ b/landing/app/components/sections/faq.tsx
@@ -13,7 +13,7 @@ export function Faq() {
   const [openIndex, setOpenIndex] = useState<number | null>(0)
 
   return (
-    <Section id="faq" width="sm" bordered>
+    <Section id="faq" width="sm">
       <motion.div {...fadeUp} className="mb-24">
         <SectionHeading
           align="center"
@@ -107,6 +107,7 @@ const FAQS: FaqEntry[] = [
   },
   {
     question: "기존 시스템과 연동되나요?",
-    answer: "견적·발주 데이터 연동을 지원합니다. 도입 상담에서 사내 ERP 환경에 맞는 연동 방식을 안내해 드립니다.",
+    answer:
+      "별도 연동 없이 바로 시작할 수 있습니다. 상품·공급사 데이터는 엑셀 일괄 업로드로 쉽게 등록되고, ERP 연동은 도입 상담에서 사내 환경에 맞춰 협의합니다.",
   },
 ]
diff --git a/landing/app/components/sections/footer.tsx b/landing/app/components/sections/footer.tsx
index 9b59d63..4125419 100644
--- a/landing/app/components/sections/footer.tsx
+++ b/landing/app/components/sections/footer.tsx
@@ -4,12 +4,11 @@ import { Typography } from "@/components/ui/typography"
 export function Footer() {
   return (
     <footer className="bg-white text-ink-soft border-t border-line py-24 font-sans text-sm relative z-10">
-      <div className="max-w-4xl mx-auto px-6 grid grid-cols-1 md:grid-cols-12 gap-12">
+      <div className="max-w-4xl mx-auto px-6 grid grid-cols-1 md:grid-cols-12 gap-12 text-center md:text-left">
         <div className="md:col-span-8">
           <Logo className="mb-6" />
           <Typography variant="caption" className="max-w-sm mb-6 font-medium">
-            negotium은 기업 구매 부서가 통제 가이드라인을 정의해두면 지능형 흥정 봇이 대신하여 다수 공급자와 투명하게 단가를
-            조율하는 B2B 자동 중개 대행 플랫폼입니다.
+            negotium은 협상 봇이 공급사와 1:1로 단가를 조율하고 낙찰까지 처리하는 B2B 구매 협상 자동화 솔루션입니다.
           </Typography>
           <p className="text-xs text-ink-faint font-semibold">
             © {new Date().getFullYear()} negotium Co., Ltd. All rights reserved.
diff --git a/landing/app/components/sections/header.tsx b/landing/app/components/sections/header.tsx
index 075fa70..a38d845 100644
--- a/landing/app/components/sections/header.tsx
+++ b/landing/app/components/sections/header.tsx
@@ -44,9 +44,8 @@ export function Header() {
 }
 
 const NAV_LINKS = [
-  { href: "#how-it-works", label: "실시간 협상" },
+  { href: "#how-it-works", label: "협상 데모" },
   { href: "#how-it-works-demo", label: "이용 가이드" },
-  { href: "#core-values", label: "솔루션 이점" },
-  { href: "#reinforcement", label: "강화학습" },
+  { href: "#comparison", label: "도입 전후 비교" },
   { href: "#faq", label: "자주 묻는 질문" },
 ]
diff --git a/landing/app/components/sections/hero-glassmorphic.tsx b/landing/app/components/sections/hero-glassmorphic.tsx
index a98ab5a..d5ff1b9 100644
--- a/landing/app/components/sections/hero-glassmorphic.tsx
+++ b/landing/app/components/sections/hero-glassmorphic.tsx
@@ -11,8 +11,8 @@ export function HeroGlassmorphic() {
     <section className="relative min-h-screen bg-surface text-ink flex flex-col justify-center pt-32 overflow-hidden">
       {/* 흐릿한 파스텔 블롭 배경 */}
       <div className="absolute top-[10%] right-[15%] w-[480px] h-[480px] bg-primary/10 rounded-full filter blur-[120px] pointer-events-none" />
-      <div className="absolute bottom-[10%] left-[10%] w-[450px] h-[450px] bg-[#8F52FF]/10 rounded-full filter blur-[120px] pointer-events-none" />
-      <div className="absolute top-[30%] left-[30%] w-[380px] h-[380px] bg-sky-300/10 rounded-full filter blur-[100px] pointer-events-none" />
+      <div className="absolute bottom-[10%] left-[10%] w-[450px] h-[450px] bg-accent/10 rounded-full filter blur-[120px] pointer-events-none" />
+      <div className="absolute top-[30%] left-[30%] w-[380px] h-[380px] bg-primary/10 rounded-full filter blur-[100px] pointer-events-none" />
 
       {/* 저채도 그리드 패턴 오버레이 */}
       <div className="absolute inset-0 bg-[linear-gradient(rgba(0,0,0,0.01)_1px,transparent_1px),linear-gradient(90deg,rgba(0,0,0,0.01)_1px,transparent_1px)] bg-[size:40px_40px] pointer-events-none" />
@@ -27,7 +27,7 @@ export function HeroGlassmorphic() {
         <motion.div
           animate={{ rotate: -360 }}
           transition={{ duration: 80, repeat: Infinity, ease: "linear" }}
-          className="absolute bottom-[18%] left-[6vw] lg:left-[12%] w-28 h-28 sm:w-48 sm:h-48 border-2 border-dashed border-[#8F52FF]/30 rounded-full pointer-events-none z-0"
+          className="absolute bottom-[18%] left-[6vw] lg:left-[12%] w-28 h-28 sm:w-48 sm:h-48 border-2 border-dashed border-accent/30 rounded-full pointer-events-none z-0"
         />
         <motion.div
           animate={{ x: [0, 10, 0], y: [0, 10, 0] }}
diff --git a/landing/app/components/sections/hero-neumorphic.tsx b/landing/app/components/sections/hero-neumorphic.tsx
index 92cb3f2..648afae 100644
--- a/landing/app/components/sections/hero-neumorphic.tsx
+++ b/landing/app/components/sections/hero-neumorphic.tsx
@@ -2,14 +2,13 @@ import { motion } from "motion/react"
 import { ArrowDown, ArrowRight } from "lucide-react"
 
 import { Button } from "@/components/ui/button"
-import { PhoneFrame } from "@/components/ui/device-mockups"
 import { Typography } from "@/components/ui/typography"
 
 /** 대안 히어로 — 뉴모피즘 배경 + 실제 모바일 협상 화면(GIF) 폰 목업. */
 export function HeroNeumorphic() {
   return (
     <section className="relative min-h-screen bg-surface-neu text-ink flex flex-col justify-center pt-32 pb-20 overflow-hidden">
-      <div className="mesh-bg absolute top-[-300px] right-[-100px] opacity-40 pointer-events-none" />
+      {/* 우측 상단 메시 제거 — 영상 배경(#F2F4F7)과 섹션 배경을 완전 동일하게 유지해 경계선 없이 블렌딩 */}
 
       <div className="max-w-5xl mx-auto px-6 w-full relative z-10 grid grid-cols-1 lg:grid-cols-12 gap-16 items-center">
         {/* 좌: 카피 + CTA */}
@@ -49,7 +48,7 @@ export function HeroNeumorphic() {
           </motion.div>
         </div>
 
-        {/* 우: 협력사 모바일 협상 실제 화면 (GIF) */}
+        {/* 우: 모바일 협상 채팅 + 외부 설명 UI(제안가·협상카드·낙찰 하이라이트) 합성 영상 */}
         <div className="lg:col-span-5 flex justify-center">
           <motion.div
             initial={{ opacity: 0, scale: 0.95 }}
@@ -57,13 +56,15 @@ export function HeroNeumorphic() {
             transition={{ duration: 0.8, delay: 0.2 }}
             className="w-full flex justify-center"
           >
-            <PhoneFrame>
-              <img
-                src="/gifs/negotiation.gif"
-                alt="협력사 모바일 협상 포털 실제 화면"
-                className="w-full h-full object-cover"
-              />
-            </PhoneFrame>
+            <video
+              src="/gifs/negotiation_annotated.mp4"
+              poster="/gifs/negotiation_annotated.jpg"
+              autoPlay
+              muted
+              loop
+              playsInline
+              className="w-full max-w-[440px] h-auto"
+            />
           </motion.div>
         </div>
       </div>
diff --git a/landing/app/components/sections/how-it-works-demo.tsx b/landing/app/components/sections/how-it-works-demo.tsx
index 54fd11e..6810537 100644
--- a/landing/app/components/sections/how-it-works-demo.tsx
+++ b/landing/app/components/sections/how-it-works-demo.tsx
@@ -44,7 +44,7 @@ export function HowItWorksDemo() {
 
       <div className="grid grid-cols-1 lg:grid-cols-12 gap-12 items-center min-h-[500px]">
         {/* 좌: 단계 설명 */}
-        <div className="lg:col-span-5 space-y-6">
+        <div className="lg:col-span-5 space-y-6 text-center lg:text-left">
           <AnimatePresence mode="wait">
             <motion.div
               key={`${activeTab.key}-text`}
@@ -67,7 +67,7 @@ export function HowItWorksDemo() {
 
               <div className="border-t border-line pt-5 mt-2 space-y-3">
                 {activeTab.checks.map((check, idx) => (
-                  <div key={idx} className="flex items-center gap-2 text-xs font-bold text-ink-soft">
+                  <div key={idx} className="flex items-center gap-2 text-xs font-bold text-ink-soft justify-center lg:justify-start">
                     <Check className={`w-4 h-4 ${activeTab.checkClassName}`} />
                     <span>{check}</span>
                   </div>
@@ -128,6 +128,22 @@ function GifSlot({ tab }: { tab: DemoTab }) {
     )
   }
 
+  // video(mp4)가 있으면 우선 재생 — 줌 스크린캐스트는 GIF보다 용량 1/5·화질 우위. 없으면 GIF.
+  if (tab.video) {
+    return (
+      <video
+        src={tab.video}
+        poster={tab.poster}
+        autoPlay
+        muted
+        loop
+        playsInline
+        onError={() => setError(true)}
+        className="w-full h-full object-cover"
+      />
+    )
+  }
+
   return (
     <img
       src={tab.gif}
@@ -151,6 +167,8 @@ type DemoTab = {
   mockup: "browser" | "phone"
   url?: string
   gif: string
+  video?: string
+  poster?: string
   gifAlt: string
   fallback: {
     icon: LucideIcon
@@ -188,6 +206,8 @@ const DEMO_TABS: DemoTab[] = [
     mockup: "browser",
     url: "https://console.negotium.ai/estimates/new",
     gif: "/gifs/quote_generation.gif",
+    video: "/gifs/quote_generation.mp4",
+    poster: "/gifs/quote_generation.jpg",
     gifAlt: "견적 생성 가이드라인 수립 시연",
     fallback: {
       icon: Monitor,
@@ -201,12 +221,12 @@ const DEMO_TABS: DemoTab[] = [
     key: "negotiate",
     tabIcon: Smartphone,
     tabLabel: "2단계: AI 자동 밀당 협상",
-    badge: { icon: Bot, label: "협력사 모바일 포털 (모바일)", className: "bg-emerald-50 border border-emerald-100 text-positive" },
-    checkClassName: "text-emerald-500",
+    badge: { icon: Bot, label: "협력사 협상 포털 (웹·모바일)", className: "bg-positive-soft border border-positive/15 text-positive" },
+    checkClassName: "text-positive",
     heading: (
       <>
         공급사는 설치 없이 <br />
-        모바일 웹으로 언제든 협상
+        웹·모바일 어디서든 협상
       </>
     ),
     paragraphs: [
@@ -214,11 +234,11 @@ const DEMO_TABS: DemoTab[] = [
         각 파트너사 담당자는 초대 메일로 <b>비대면 협상 모바일 포털</b>에 접속해, 언제든 단가를 조율합니다.
       </>,
       <>
-        단순 마진 깎기가 아닌, <b>"물량 보증"</b> 혹은 <b>"지불 주기 단축"</b> 등의 와일드카드 거래 카드를 연동 제안하여
-        파트너사의 자발적인 마진 타협을 부드럽게 이끌어냅니다.
+        단순 마진 깎기가 아닙니다. 봇은 준비된 협상 카드를 상황에 맞게 꺼내, 파트너사의 자발적인 마진 타협을 부드럽게
+        이끌어냅니다.
       </>,
     ],
-    checks: ["1:1 프라이빗 대화형 역경매 포털 제공", "불필요한 실랑이를 예방하여 파트너십 보호"],
+    checks: ["1:1 비대면 협상 포털 제공", "불필요한 실랑이를 예방하여 파트너십 보호"],
     mockup: "phone",
     gif: "/gifs/negotiation.gif",
     video: "/gifs/negotiation.mp4",
@@ -226,7 +246,7 @@ const DEMO_TABS: DemoTab[] = [
     gifAlt: "AI 모바일 자동 협상 시연",
     fallback: {
       icon: Smartphone,
-      iconWrapClassName: "w-12 h-12 bg-emerald-50 border border-emerald-100 rounded-full text-emerald-500",
+      iconWrapClassName: "w-12 h-12 bg-positive-soft border border-positive/15 rounded-full text-positive",
       codeClassName: "bg-fill text-positive",
       title: "협상 시연 GIF 공간",
       hint: "실제 모바일 협상 시뮬레이션 GIF를 배치해 주세요.",
@@ -236,8 +256,8 @@ const DEMO_TABS: DemoTab[] = [
     key: "result",
     tabIcon: Monitor,
     tabLabel: "3단계: AI 협상 결과 확인",
-    badge: { icon: Monitor, label: "구매 관리자 콘솔 (웹)", className: "bg-purple-50 border border-purple-100 text-purple-600" },
-    checkClassName: "text-purple-500",
+    badge: { icon: Monitor, label: "구매 관리자 콘솔 (웹)", className: "bg-accent-soft border border-accent/15 text-accent" },
+    checkClassName: "text-accent",
     heading: (
       <>
         자동 분석 및 타결 보고서 <br />
@@ -257,11 +277,13 @@ const DEMO_TABS: DemoTab[] = [
     mockup: "browser",
     url: "https://console.negotium.ai/dashboard/reports",
     gif: "/gifs/negotiation_result.gif",
+    video: "/gifs/negotiation_result.mp4",
+    poster: "/gifs/negotiation_result.jpg",
     gifAlt: "협상 결과 분석 대시보드 시연",
     fallback: {
       icon: Monitor,
-      iconWrapClassName: "w-14 h-14 bg-purple-50 rounded-2xl text-purple-600",
-      codeClassName: "bg-white text-purple-600",
+      iconWrapClassName: "w-14 h-14 bg-accent-soft rounded-2xl text-accent",
+      codeClassName: "bg-white text-accent",
       title: "협상 결과 확인 시연 GIF 공간",
       hint: "결과 보고 대시보드 기동 GIF를 배치하시면 이 영역에 자동으로 재생됩니다.",
     },
diff --git a/landing/app/components/sections/negotiation-console.tsx b/landing/app/components/sections/negotiation-console.tsx
index 9330c23..34cdeb5 100644
--- a/landing/app/components/sections/negotiation-console.tsx
+++ b/landing/app/components/sections/negotiation-console.tsx
@@ -2,6 +2,7 @@ import { useEffect, useRef, useState } from "react"
 import { AnimatePresence, motion } from "motion/react"
 import { Bot, Handshake, ShieldCheck } from "lucide-react"
 
+import { PriceSparkline } from "@/components/ui/price-sparkline"
 import { SlateRenderer } from "@/components/ui/slate-renderer"
 import { Typography } from "@/components/ui/typography"
 import { EASE_OUT_EXPO } from "@/lib/motion"
@@ -75,16 +76,16 @@ export function NegotiationConsole() {
             Live Replay
           </Typography>
           <Typography variant="heading" as="h2" className="mt-1">
-            봇이 깎아내는 과정, 그대로 재생
+            봇은 물러서지 않습니다
           </Typography>
         </div>
 
         <div className="max-w-4xl mx-auto grid grid-cols-1 md:grid-cols-12 gap-12 md:gap-16 items-center w-full">
           {/* 좌: 실시간 단가 패널 */}
-          <div className="md:col-span-5 flex flex-col justify-center space-y-6">
+          <div className="md:col-span-5 flex flex-col justify-center space-y-6 text-center md:text-left">
             <div>
               <span className="text-[11px] font-bold text-ink-muted uppercase tracking-wider block mb-1">실시간 협상 단가</span>
-              <div className="flex items-baseline gap-1.5">
+              <div className="flex items-baseline gap-1.5 justify-center md:justify-start">
                 <span className="text-3xl font-bold text-primary">₩</span>
                 <span className="text-4xl md:text-5xl font-black tracking-tight text-primary">
                   {animatedPrice.toLocaleString()}
@@ -105,7 +106,11 @@ export function NegotiationConsole() {
 
             {/* 계단식 하락 스파크라인 + 목표가 기준선 */}
             <div>
-              <PriceSparkline activeStep={activeStep} />
+              <PriceSparkline
+                prices={NEGOTIATION_STEPS.map((step) => step.price)}
+                targetPrice={TARGET_PRICE}
+                progress={activeStep < 0 ? 0 : (activeStep + 1) / NEGOTIATION_STEPS.length}
+              />
               <div className="flex justify-between mt-2">
                 <Typography variant="micro">시작가 {START_PRICE.toLocaleString()}</Typography>
                 <Typography variant="micro" className="text-primary">
@@ -125,7 +130,7 @@ export function NegotiationConsole() {
                     initial={{ scale: 0.95, opacity: 0 }}
                     animate={{ scale: 1, opacity: 1 }}
                     exit={{ scale: 0.95, opacity: 0 }}
-                    className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-xl bg-emerald-50 text-positive border border-emerald-100 text-xs font-bold"
+                    className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-xl bg-positive-soft text-positive border border-positive/15 text-xs font-bold"
                   >
                     <ShieldCheck className="w-4 h-4 shrink-0" />
                     {NEGOTIATION_STEPS[activeStep].badge}
@@ -220,54 +225,6 @@ export function NegotiationConsole() {
 const START_PRICE = 1200000
 const TARGET_PRICE = 1080000
 
-/** 대화 진행에 맞춰 그려지는 계단식 가격 하락 라인 + 목표가 점선. */
-function PriceSparkline({ activeStep }: { activeStep: number }) {
-  const W = 100
-  const H = 44
-  // 위아래 여백을 둔 가격 범위 매핑
-  const MAX = 1215000
-  const MIN = 1035000
-  const y = (price: number) => ((MAX - price) / (MAX - MIN)) * H
-
-  const prices = NEGOTIATION_STEPS.map((step) => step.price)
-  const stepX = (i: number) => (i / (prices.length - 1)) * W
-
-  // step-after 계단 경로
-  let d = `M 0 ${y(prices[0]).toFixed(1)}`
-  for (let i = 1; i < prices.length; i++) {
-    d += ` L ${stepX(i).toFixed(1)} ${y(prices[i - 1]).toFixed(1)} L ${stepX(i).toFixed(1)} ${y(prices[i]).toFixed(1)}`
-  }
-
-  const progress = activeStep < 0 ? 0 : Math.min((activeStep + 1) / prices.length, 1)
-
-  return (
-    <svg viewBox={`0 0 ${W} ${H}`} preserveAspectRatio="none" className="w-full h-16 overflow-visible" aria-hidden>
-      <defs>
-        <clipPath id="nego-spark-clip">
-          <rect x="0" y="-4" width={progress * W} height={H + 8} style={{ transition: "width 0.5s ease-out" }} />
-        </clipPath>
-      </defs>
-      {/* 목표가 기준선 */}
-      <g className="text-primary/40">
-        <line
-          x1="0"
-          y1={y(TARGET_PRICE)}
-          x2={W}
-          y2={y(TARGET_PRICE)}
-          stroke="currentColor"
-          strokeWidth="1"
-          strokeDasharray="4 4"
-          vectorEffect="non-scaling-stroke"
-        />
-      </g>
-      {/* 가격 하락 계단 — 진행률만큼 클립으로 드러남 */}
-      <g clipPath="url(#nego-spark-clip)" className="text-primary">
-        <path d={d} fill="none" stroke="currentColor" strokeWidth="2.5" vectorEffect="non-scaling-stroke" strokeLinejoin="round" />
-      </g>
-    </svg>
-  )
-}
-
 // 데모 대화 시나리오 — 1,200,000원 제시에서 1,050,000원 낙찰까지 6스텝
 const NEGOTIATION_STEPS: DialogueStep[] = [
   {
diff --git a/landing/app/components/sections/reinforcement.tsx b/landing/app/components/sections/reinforcement.tsx
index 9ba7a2e..ec13d4b 100644
--- a/landing/app/components/sections/reinforcement.tsx
+++ b/landing/app/components/sections/reinforcement.tsx
@@ -14,6 +14,7 @@ export function Reinforcement() {
     <Section id="reinforcement" bg="surface" bordered className="border-b border-line">
       <motion.div {...fadeUp} className="mb-20">
         <SectionHeading
+          className="text-center md:text-left"
           eyebrow="REINFORCEMENT LEARNING"
           title="협상할수록, 더 좋은 조건으로"
           description={
diff --git a/landing/app/components/sections/roi-simulator.tsx b/landing/app/components/sections/roi-simulator.tsx
index 8903150..021b8d5 100644
--- a/landing/app/components/sections/roi-simulator.tsx
+++ b/landing/app/components/sections/roi-simulator.tsx
@@ -77,7 +77,7 @@ export function ROISimulator() {
           </div>
 
           <div className="flex gap-3 bg-surface p-5 rounded-2xl border border-line">
-            <ShieldCheck className="w-5 h-5 text-emerald-500 flex-shrink-0 mt-0.5" />
+            <ShieldCheck className="w-5 h-5 text-positive flex-shrink-0 mt-0.5" />
             <Typography variant="caption" className="text-ink-soft">
               본 시뮬레이션은 글로벌 최저가 스캔(LPS) 시장 표준 및 다수 B2B 자율 협상 데이터의 보수적인 평균 수치(3.1% ~ 4.2%
               절감)를 적용하여 산정되었습니다. 실사 수준의 검증은 파일 연동을 통해 무상 지원됩니다.
diff --git a/landing/app/components/ui/button.tsx b/landing/app/components/ui/button.tsx
index e00fb55..887693d 100644
--- a/landing/app/components/ui/button.tsx
+++ b/landing/app/components/ui/button.tsx
@@ -15,11 +15,12 @@ const buttonVariants = cva(
         // 밝은 배경 위 반투명 보조 버튼 (글라스 히어로)
         glass: "bg-white/70 hover:bg-white text-ink-soft hover:text-ink border border-white shadow-sm",
       },
+      // radius 는 사이즈 무관 rounded-2xl(16px) 로 통일 — 알약형 금지
       size: {
-        pill: "px-4.5 py-2.5 text-sm font-semibold rounded-full",
-        md: "px-6 py-2.5 text-xs font-bold rounded-full",
-        lg: "px-8 py-4.5 text-base font-bold rounded-[20px]",
-        xl: "px-10 py-5 text-base font-bold rounded-[22px]",
+        pill: "px-4.5 py-2.5 text-sm font-semibold rounded-2xl",
+        md: "px-6 py-2.5 text-xs font-bold rounded-2xl",
+        lg: "px-8 py-4.5 text-base font-bold rounded-2xl",
+        xl: "px-10 py-5 text-base font-bold rounded-2xl",
       },
     },
     defaultVariants: { variant: "primary", size: "lg" },
diff --git a/landing/app/routes/home.tsx b/landing/app/routes/home.tsx
index 36d825b..749f85c 100644
--- a/landing/app/routes/home.tsx
+++ b/landing/app/routes/home.tsx
@@ -7,6 +7,7 @@ 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";
@@ -29,11 +30,11 @@ export function meta() {
   ];
 }
 
-type HeroTheme = "neumorphic" | "glassmorphic";
+type HeroTheme = "neumorphic" | "glassmorphic" | "console";
 
 export default function Home() {
-  // 히어로 디자인 비교용 — 스위처는 dev 에서만 노출, 배포본은 glassmorphic 고정
-  const [heroTheme, setHeroTheme] = useState<HeroTheme>("glassmorphic");
+  // 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">
@@ -43,6 +44,7 @@ export default function Home() {
         {import.meta.env.DEV && <HeroThemeSwitcher value={heroTheme} onChange={setHeroTheme} />}
         {heroTheme === "neumorphic" && <HeroNeumorphic />}
         {heroTheme === "glassmorphic" && <HeroGlassmorphic />}
+        {heroTheme === "console" && <HeroConsole />}
       </div>
 
       <NegotiationConsole />
@@ -61,6 +63,7 @@ export default function Home() {
 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 }) {