diff --git a/src/components/popup/MemberInformationPopup.tsx b/src/components/popup/MemberInformationPopup.tsx
index ff1f9fa..87a8829 100644
--- a/src/components/popup/MemberInformationPopup.tsx
+++ b/src/components/popup/MemberInformationPopup.tsx
@@ -3,6 +3,7 @@
 import { useRouter } from 'next/navigation'
 import { usePopupController } from '@/store/popupController'
 import { useSessionStore } from '@/store/session'
+import Image from 'next/image'
 
 export default function MemberInformationPopup() {
   const popupController = usePopupController()
@@ -22,7 +23,7 @@ export default function MemberInformationPopup() {
             <div className="modal-header-inner">
               <div className="modal-name-wrap">
                 <div className="modal-img">
-                  <img src="/assets/images/layout/modal_header_icon.svg" alt="" />
+                  <Image src="/assets/images/layout/modal_header_icon.svg" width={18} height={20} alt="" />
                 </div>
                 <div className="modal-name">会員情報</div>
               </div>
diff --git a/src/components/ui/common/FloatBtn.tsx b/src/components/ui/common/FloatBtn.tsx
index 766f236..74aa3d0 100644
--- a/src/components/ui/common/FloatBtn.tsx
+++ b/src/components/ui/common/FloatBtn.tsx
@@ -5,9 +5,16 @@ import { usePathname } from 'next/navigation'
 export default function FloatBtn() {
   const pathname = usePathname()
 
+  const scrollToTop = () => {
+    window.scrollTo({
+      top: 0,
+      behavior: 'smooth',
+    })
+  }
+
   if (pathname === '/login' || pathname === '/') {
     return null
   }
 
-  return <button className="top-btn"></button>
+  return <button className="top-btn" onClick={scrollToTop}></button>
 }