diff --git a/src/components/Main/MainView/QallView/QallView.vue b/src/components/Main/MainView/QallView/QallView.vue
index 38c007b00..32e0777af 100644
--- a/src/components/Main/MainView/QallView/QallView.vue
+++ b/src/components/Main/MainView/QallView/QallView.vue
@@ -70,7 +70,6 @@ const toggleVideo = async () => {
       isCameraOn.value = false
     }
   } catch (err) {
-    // eslint-disable-next-line no-console
     console.error('Failed to toggle video:', err)
   }
 }
@@ -93,7 +92,6 @@ const toggleScreen = async () => {
       isScreenSharing.value = false
     }
   } catch (err) {
-    // eslint-disable-next-line no-console
     console.error('Failed to toggle screen sharing:', err)
   }
 }
@@ -191,120 +189,98 @@ const showShareScreenSettingDetail = ref(false)
         :class="$style.closeButton"
         @click="isSubView = true"
       />
-      <UserList />
-
-      <div :class="$style.TrackContainer">
-        <div :class="$style.controlBar">
-          <div :class="$style.smallButtonGroup">
-            <div :class="$style.soundBoardButton">
-              <CallControlButtonSmall
-                icon="sound_detection_loud_sound"
-                :on-click="handleSound"
+
+      <!-- 縦並び用のラッパ -->
+      <div :class="$style.stackContainer">
+        <UserList :class="$style.userList" />
+
+        <div :class="$style.controlBarContainer">
+          <div :class="$style.controlBar">
+            <div :class="$style.smallButtonGroup">
+              <div :class="$style.soundBoardButton">
+                <CallControlButtonSmall
+                  icon="sound_detection_loud_sound"
+                  :on-click="handleSound"
+                />
+                <ClickOutside @click-outside="showSoundBoard = false">
+                  <SoundBoard v-if="showSoundBoard" />
+                </ClickOutside>
+              </div>
+              <div ref="reactionButton">
+                <CallControlButtonSmall
+                  icon="add_reaction"
+                  :on-click="handleReaction"
+                />
+              </div>
+            </div>
+            <div :class="$style.verticalBar"></div>
+            <div :class="$style.buttonWithDetail">
+              <CallControlButton
+                :icon="screenShareIcon"
+                :is-on="isScreenSharing"
+                :on-click="toggleScreen"
+                :mdi="false"
+                :inverted="isScreenSharing"
+              />
+              <DetailButton @click="showShareScreenSettingDetail = true" />
+              <ScreenShareDetailSetting
+                :open="showShareScreenSettingDetail"
+                @add="isScreenSharing = true"
+                @close="showShareScreenSettingDetail = false"
               />
-              <ClickOutside @click-outside="showSoundBoard = false">
-                <SoundBoard v-if="showSoundBoard" />
-              </ClickOutside>
             </div>
-            <div ref="reactionButton">
-              <CallControlButtonSmall
-                icon="add_reaction"
-                :on-click="handleReaction"
+            <div :class="$style.buttonWithDetail">
+              <CallControlButton
+                :icon="cameraIcon"
+                :is-on="isCameraOn"
+                :on-click="toggleVideo"
+                :inverted="isCameraOn"
+              />
+              <DetailButton
+                :inverted="isCameraOn"
+                @click="showCameraDetailSetting = true"
+              />
+              <CameraDetailSetting
+                :open="showCameraDetailSetting"
+                :video-inputs="videoInputs"
+                @save="handleBackgroundSave"
+                @add="isCameraOn = true"
+                @close="showCameraDetailSetting = false"
               />
             </div>
-          </div>
-          <div :class="$style.verticalBar"></div>
-          <div :class="$style.buttonWithDetail">
             <CallControlButton
-              :icon="screenShareIcon"
-              :is-on="isScreenSharing"
-              :on-click="toggleScreen"
-              :mdi="false"
-              :inverted="isScreenSharing"
-            />
-            <DetailButton
-              @click="
-                () => {
-                  showShareScreenSettingDetail = true
-                }
-              "
-            />
-            <ScreenShareDetailSetting
-              :open="showShareScreenSettingDetail"
-              @add="
-                () => {
-                  isScreenSharing = true
-                }
-              "
-              @close="
-                () => {
-                  showShareScreenSettingDetail = false
-                }
-              "
+              :icon="micIcon"
+              :is-on="isMicOn"
+              :on-click="toggleAudio"
+              :inverted="isMicOn"
             />
-          </div>
-          <div :class="$style.buttonWithDetail">
             <CallControlButton
-              :icon="cameraIcon"
-              :is-on="isCameraOn"
-              :on-click="toggleVideo"
-              :inverted="isCameraOn"
-            />
-            <DetailButton
-              :inverted="isCameraOn"
-              @click="
-                () => {
-                  showCameraDetailSetting = true
-                }
-              "
-            />
-            <CameraDetailSetting
-              :open="showCameraDetailSetting"
-              :video-inputs="videoInputs"
-              @save="handleBackgroundSave"
-              @add="
-                () => {
-                  isCameraOn = true
-                }
-              "
-              @close="
-                () => {
-                  showCameraDetailSetting = false
-                }
-              "
+              icon="phone-hangup"
+              is-on
+              :on-click="leaveQall"
+              :on-background-color="'#F26451'"
             />
-          </div>
-          <CallControlButton
-            :icon="micIcon"
-            :is-on="isMicOn"
-            :on-click="toggleAudio"
-            :inverted="isMicOn"
-          />
-          <CallControlButton
-            icon="phone-hangup"
-            is-on
-            :on-click="leaveQall"
-            :on-background-color="'#F26451'"
-          />
-          <div :class="$style.verticalBar"></div>
-          <div :class="$style.smallButtonGroup">
-            <div :class="$style.participantsContainer">
-              <ClickOutside @click-outside="showParticipants = false">
-                <div v-if="showParticipants" :class="$style.participantsList">
-                  <div :class="$style.participantsContent">
-                    <participant-list
-                      v-for="participant in filteredParticipants"
-                      :key="participant.user.id"
-                      :participant="participant.user"
-                      :track-info="getParticipantTrackInfo(participant)!"
-                    />
+            <div :class="$style.verticalBar"></div>
+            <div :class="$style.smallButtonGroup">
+              <div :class="$style.participantsContainer">
+                <ClickOutside @click-outside="showParticipants = false">
+                  <div v-if="showParticipants" :class="$style.participantsList">
+                    <div :class="$style.participantsContent">
+                      <participant-list
+                        v-for="participant in filteredParticipants"
+                        :key="participant.user.id"
+                        :participant="participant.user"
+                        :track-info="getParticipantTrackInfo(participant)!"
+                      />
+                    </div>
                   </div>
-                </div>
-              </ClickOutside>
-              <CallControlButtonSmall
-                icon="account-multiple"
-                :on-click="handleGroup"
-                mdi
-              />
+                </ClickOutside>
+                <CallControlButtonSmall
+                  icon="account-multiple"
+                  :on-click="handleGroup"
+                  mdi
+                />
+              </div>
             </div>
           </div>
         </div>
@@ -314,55 +290,33 @@ const showShareScreenSettingDetail = ref(false)
 </template>
 
 <style lang="scss" module>
-.participantsContainer {
+.Block {
+  height: 100%;
+  width: 100%;
   position: relative;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
 }
 
-.participantsList {
-  position: absolute;
-  bottom: 100%;
-  right: 50%;
-  width: 450px;
-  height: 300px;
-  @include background-primary;
-  border-radius: 8px;
-  margin-bottom: 8px;
-  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
-  transform: translateX(50%);
-  @include color-ui-primary;
-}
-
-.participantsContent {
+.stackContainer {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 16px;
   height: 100%;
-  overflow-y: auto;
-  padding: 16px;
-  border: 2px solid $theme-background-secondary-default;
-  border-radius: 8px;
-}
-
-.TrackContainer {
-  height: fit-content;
-}
-
-.channelView {
-  position: absolute;
-  width: 30%;
-  right: 0;
-  bottom: 0;
 }
 
-.Block {
-  height: 100%;
-  height: 100%;
+.userList {
+  flex-grow: 1;
 }
 
-.Header {
-  font: {
-    size: 30px;
-    weight: bold;
-  }
-  color: green;
-  text-align: center;
+.controlBarContainer {
+  width: 100%;
+  display: flex;
+  justify-content: end;
+  flex-grow: 0;
+  margin-bottom: 24px;
 }
 
 .controlBar {
@@ -373,13 +327,6 @@ const showShareScreenSettingDetail = ref(false)
   width: 100%;
 }
 
-.verticalBar {
-  width: 1px;
-  height: 64px;
-  background-color: #ced6db;
-  margin: 0 16px;
-}
-
 .smallButtonGroup {
   display: flex;
   align-items: center;
@@ -395,6 +342,39 @@ const showShareScreenSettingDetail = ref(false)
   position: relative;
 }
 
+.participantsContainer {
+  position: relative;
+}
+
+.participantsList {
+  position: absolute;
+  bottom: 100%;
+  right: 50%;
+  width: 450px;
+  height: 300px;
+  @include background-primary;
+  border-radius: 8px;
+  margin-bottom: 8px;
+  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
+  transform: translateX(50%);
+  @include color-ui-primary;
+}
+
+.participantsContent {
+  height: 100%;
+  overflow-y: auto;
+  padding: 16px;
+  border: 2px solid $theme-background-secondary-default;
+  border-radius: 8px;
+}
+
+.verticalBar {
+  width: 1px;
+  height: 64px;
+  background-color: #ced6db;
+  margin: 0 16px;
+}
+
 .closeButton {
   position: absolute;
   top: 1rem;
diff --git a/src/components/Main/MainView/QallView/UserList.vue b/src/components/Main/MainView/QallView/UserList.vue
index 73078e732..a8520b3d6 100644
--- a/src/components/Main/MainView/QallView/UserList.vue
+++ b/src/components/Main/MainView/QallView/UserList.vue
@@ -15,55 +15,106 @@ onMounted(async () => {
 })
 const selectedVideoInput = ref<MediaDeviceInfo>()
 const selectedSid = ref<string>()
+const showAllTracks = ref(false)
 </script>
 
 <template>
   <div
     v-if="selectedTrack !== undefined"
     :key="selectedTrack.trackPublication?.trackSid"
-    :class="$style.largeCard"
+    :class="$style.parentContainer"
   >
-    <VideoComponent
-      v-if="
-        selectedTrack.trackPublication?.kind === 'video' &&
-        !screenShareTrackSidMap.has(selectedSid ?? '')
-      "
-      :track-info="selectedTrack"
-    />
-    <ScreenShareComponent
-      v-else-if="selectedTrack.trackPublication?.kind === 'video'"
-      :track-info="selectedTrack"
-      :audio-track-info="
-        tracksMap.get(screenShareTrackSidMap.get(selectedSid ?? '') ?? '')
-      "
-      not-mute
-    />
-    <UserCard
-      v-else-if="
-        selectedTrack.trackPublication?.kind === 'audio' &&
-        !screenShareTrackSidMap
-          .values()
-          ?.some?.(valueSid => valueSid === selectedSid)
-      "
-      :track-info="selectedTrack"
-    />
+    <div :class="$style.flexContainer">
+      <div :class="$style.largeCard">
+        <VideoComponent
+          v-if="
+            selectedTrack.trackPublication?.kind === 'video' &&
+            !screenShareTrackSidMap.has(selectedSid ?? '')
+          "
+          :track-info="selectedTrack"
+        />
+        <ScreenShareComponent
+          v-else-if="selectedTrack.trackPublication?.kind === 'video'"
+          :track-info="selectedTrack"
+          :audio-track-info="
+            tracksMap.get(screenShareTrackSidMap.get(selectedSid ?? '') ?? '')
+          "
+          not-mute
+        />
+        <UserCard
+          v-else-if="
+            selectedTrack.trackPublication?.kind === 'audio' &&
+            !screenShareTrackSidMap
+              .values()
+              ?.some?.(valueSid => valueSid === selectedSid)
+          "
+          :track-info="selectedTrack"
+        />
+      </div>
+
+      <div :class="$style.subViewContainer">
+        <template
+          v-for="([sid, track], index) in tracksMap.entries()"
+          :key="sid"
+        >
+          <div
+            v-if="index < 5"
+            :class="$style.card"
+            @click="[selectedTrack, selectedSid] = [track, sid]"
+          >
+            <VideoComponent
+              v-if="
+                track.trackPublication?.kind === 'video' &&
+                !screenShareTrackSidMap.has(sid)
+              "
+              :track-info="track"
+            />
+            <ScreenShareComponent
+              v-else-if="track.trackPublication?.kind === 'video'"
+              :track-info="track"
+              :audio-track-info="
+                tracksMap.get(screenShareTrackSidMap.get(sid) ?? '')
+              "
+            />
+            <UserCard
+              v-else-if="
+                track.trackPublication?.kind === 'audio' &&
+                !screenShareTracks.some?.(([_, valueSid]) => valueSid === sid)
+              "
+              :track-info="track"
+            />
+          </div>
+        </template>
+        <div v-if="tracksMap.size > 5" :class="$style.card">
+          <button
+            @click="
+              () => {
+                selectedTrack = undefined
+              }
+            "
+          >
+            +{{ tracksMap.size - 5 }}
+          </button>
+        </div>
+      </div>
+    </div>
   </div>
-  <div :class="$style.TrackContainer">
+
+  <div v-else :class="$style.gridContainer">
     <template v-for="[sid, track] in tracksMap.entries()" :key="sid">
       <div
         v-if="
           track.trackPublication?.kind === 'video' &&
           !screenShareTrackSidMap.has(sid)
         "
-        :class="$style.card"
+        :class="$style.smallCard"
         @click="[selectedTrack, selectedSid] = [track, sid]"
       >
         <VideoComponent :track-info="track" />
       </div>
-
       <div
         v-else-if="track.trackPublication?.kind === 'video'"
-        :class="$style.card"
+        :class="$style.smallCard"
         @click="[selectedTrack, selectedSid] = [track, sid]"
       >
         <ScreenShareComponent
@@ -78,7 +129,7 @@ const selectedSid = ref<string>()
           track.trackPublication?.kind === 'audio' &&
           !screenShareTracks.some?.(([_, valueSid]) => valueSid === sid)
         "
-        :class="$style.card"
+        :class="$style.smallCard"
         @click="[selectedTrack, selectedSid] = [track, sid]"
       >
         <UserCard :track-info="track" />
@@ -86,22 +137,59 @@ const selectedSid = ref<string>()
     </template>
   </div>
 </template>
-
 <style lang="scss" module>
-.TrackContainer {
+.parentContainer {
   display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  gap: 4px;
+  height: 100%;
+  width: 100%;
+}
 
+.flexContainer {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  height: 100%;
+  width: 100%;
+}
+
+.largeCard {
+  flex-grow: 1;
+  width: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+.subViewContainer {
+  flex-grow: 0;
+  height: 108px;
+  display: flex;
   justify-content: center;
   align-items: center;
+  gap: 4px;
+  width: 100%;
+}
+
+.gridContainer {
+  display: grid;
+  grid-template-columns: repeat(5, 192px);
+  grid-auto-rows: 108px;
   gap: 8px;
-  align-self: stretch;
+  overflow-y: auto;
+  max-height: calc(100vh - 200px);
+  margin: 0 auto;
 }
-.card {
+
+.smallCard {
   height: 108px;
   width: 192px;
 }
-.largeCard {
-  height: 50%;
-  width: 66%;
+
+.card {
+  height: 108px;
+  width: 192px;
 }
 </style>