diff --git a/app.py b/app.py
index a1e8896..4a8ca74 100644
--- a/app.py
+++ b/app.py
@@ -30,6 +30,45 @@ CATEGORIES = [
 ]
 PRIZE_PRIORITY = ["utility_team", "polish_team", "fun_team"]
 
+SHOW_CSS = """
+<style>
+.show-stage-title { font-size: 64px; text-align: center; padding: 16px 0; font-weight: 800; }
+.show-stage-sub { font-size: 24px; text-align: center; color: #888; padding-bottom: 24px; }
+.show-team-card {
+  font-size: 24px;
+  padding: 18px 14px;
+  border-radius: 14px;
+  background: #1a1a2a;
+  border: 1px solid #333;
+  min-height: 220px;
+}
+.show-team-name { font-size: 32px; font-weight: 700; text-align: center; margin-bottom: 12px; color: #ffb84d; }
+.show-team-member { font-size: 22px; line-height: 1.6; text-align: center; }
+.show-info-box {
+  font-size: 26px;
+  padding: 22px;
+  border-radius: 12px;
+  background: #1f1f2f;
+  margin-top: 24px;
+}
+.show-cat-card {
+  border-radius: 14px;
+  padding: 18px;
+  min-height: 480px;
+}
+.show-cat-T1 { background: linear-gradient(135deg, #ffb84d, #ff8c00); color: #222; }
+.show-cat-T2 { background: linear-gradient(135deg, #4dffd2, #2a8e7e); color: #1a1a1a; }
+.show-cat-T3 { background: linear-gradient(135deg, #ff4d6d, #b83a55); color: white; }
+.show-cat-T4 { background: linear-gradient(135deg, #a64dff, #6a2eaf); color: white; }
+.show-cat-title { font-size: 32px; font-weight: 800; margin-bottom: 4px; }
+.show-cat-tagline { font-size: 16px; font-style: italic; margin-bottom: 4px; }
+.show-cat-tone { font-size: 14px; opacity: 0.85; margin-bottom: 12px; }
+.show-cat-item { font-size: 17px; line-height: 1.45; padding: 4px 0; }
+.show-vote-counter { font-size: 96px; text-align: center; font-weight: 900; padding: 16px 0; }
+.show-vote-caption { font-size: 36px; text-align: center; color: #ccc; padding: 12px 0; }
+</style>
+"""
+
 _lock = threading.RLock()
 
 
@@ -324,6 +363,34 @@ def archive_results():
 # --- UI ---
 
 
+def render_show():
+    data = load_data()
+    st.markdown(SHOW_CSS, unsafe_allow_html=True)
+    stage = data.get("settings", {}).get("current_stage", "intro")
+    if stage == "topics":
+        render_stage_topics(data)
+    elif stage == "vote":
+        render_stage_vote(data)
+    else:
+        render_stage_intro(data)
+
+
+def render_stage_intro(data):
+    st.markdown('<div class="show-stage-title">🚀 해커톤</div>', unsafe_allow_html=True)
+    st.markdown('<div class="show-stage-sub">팀 편성</div>', unsafe_allow_html=True)
+    st.info("Task 9에서 구현")
+
+
+def render_stage_topics(data):
+    st.markdown('<div class="show-stage-title">💡 예시 주제</div>', unsafe_allow_html=True)
+    st.info("Task 10에서 구현")
+
+
+def render_stage_vote(data):
+    st.markdown('<div class="show-stage-title">🗳 투표 시작</div>', unsafe_allow_html=True)
+    st.info("Task 11에서 구현")
+
+
 def render_voter():
     if not can_accept_votes(load_data()):
         st.title("🗳 해커톤 투표")
@@ -817,16 +884,18 @@ def render_raw():
 
 
 def main():
-    st.set_page_config(page_title="해커톤 투표", page_icon="🗳", layout="wide")
-    mode = st.query_params.get("mode", "vote")
+    st.set_page_config(page_title="해커톤", page_icon="🚀", layout="wide")
+    mode = st.query_params.get("mode", "show")
     if mode == "admin":
         render_admin()
     elif mode == "ceremony":
         render_ceremony()
     elif mode == "raw":
         render_raw()
-    else:
+    elif mode == "vote":
         render_voter()
+    else:
+        render_show()
 
 
 if __name__ == "__main__":