diff --git a/src/pages/lotto/Functions.jsx b/src/pages/lotto/Functions.jsx
index 9fd5608..53560d2 100644
--- a/src/pages/lotto/Functions.jsx
+++ b/src/pages/lotto/Functions.jsx
@@ -7,7 +7,7 @@ import SwipeableView from '../../components/SwipeableView';
 
 const TABS = [
     { id: 'briefing', label: '🗓 이번 주 브리핑' },
-    { id: 'analysis', label: '📊 분석·통계' },
+    { id: 'analysis', label: '📚 자료실 / Deep Dive' },
     { id: 'purchase', label: '💰 구매·성과' },
 ];
 
diff --git a/src/pages/lotto/Lotto.css b/src/pages/lotto/Lotto.css
index cdb6d45..4c86bd9 100644
--- a/src/pages/lotto/Lotto.css
+++ b/src/pages/lotto/Lotto.css
@@ -1526,3 +1526,8 @@
         font-size: 13px;
     }
 }
+
+.lotto-section-fold { margin-bottom: 14px; }
+.lotto-section-fold > summary { cursor: pointer; padding: 12px 16px; background: rgba(255,255,255,0.03);
+  border-radius: 10px; font-weight: 600; font-size: 14px; opacity: 0.85; }
+.lotto-section-fold[open] > summary { margin-bottom: 12px; opacity: 1; }
diff --git a/src/pages/lotto/tabs/AnalysisTab.jsx b/src/pages/lotto/tabs/AnalysisTab.jsx
index ed98fde..3ef0d5e 100644
--- a/src/pages/lotto/tabs/AnalysisTab.jsx
+++ b/src/pages/lotto/tabs/AnalysisTab.jsx
@@ -40,18 +40,21 @@ export default function AnalysisTab() {
             <PerformanceBanner perf={ld.perfStats} />
 
             {/* 종합 추론 번호 추천 */}
-            <CombinedRecommendPanel
-                combined={ld.combined}
-                history={ld.combinedHistory}
-                loading={ld.combinedLoading}
-                histLoading={ld.combinedHistLoading}
-                onRun={ld.runCombinedRecommend}
-                onCopy={copyNumbers}
-            />
+            <details className="lotto-section-fold">
+                <summary>종합 추론 추천</summary>
+                <CombinedRecommendPanel
+                    combined={ld.combined}
+                    history={ld.combinedHistory}
+                    loading={ld.combinedLoading}
+                    histLoading={ld.combinedHistLoading}
+                    onRun={ld.runCombinedRecommend}
+                    onCopy={copyNumbers}
+                />
+            </details>
 
-            {/* 최신 회차 + 시뮬레이션 추천 */}
-            <div className="lotto-grid">
-                {/* Latest Draw */}
+            {/* 최신 회차 */}
+            <details className="lotto-section-fold">
+                <summary>최신 회차</summary>
                 <section className="lotto-panel">
                     <div className="lotto-panel__head">
                         <div>
@@ -87,8 +90,11 @@ export default function AnalysisTab() {
                         <p className="lotto-empty">최신 회차 데이터가 없습니다.</p>
                     )}
                 </section>
+            </details>
 
-                {/* Simulation Picks */}
+            {/* Simulation Picks */}
+            <details className="lotto-section-fold">
+                <summary>시뮬레이션 추천</summary>
                 <section className="lotto-panel">
                     <div className="lotto-panel__head">
                         <div>
@@ -163,19 +169,24 @@ export default function AnalysisTab() {
                         </>
                     )}
                 </section>
-            </div>
+            </details>
 
             {/* 이번 주 공략 리포트 */}
-            <ReportPanel
-                report={ld.report}
-                history={ld.reportHistory}
-                loading={ld.reportLoading}
-                onRefresh={ld.refreshReport}
-                onSelectDrw={ld.loadSpecificReport}
-            />
+            <details className="lotto-section-fold">
+                <summary>이번 주 공략 리포트</summary>
+                <ReportPanel
+                    report={ld.report}
+                    history={ld.reportHistory}
+                    loading={ld.reportLoading}
+                    onRefresh={ld.refreshReport}
+                    onSelectDrw={ld.loadSpecificReport}
+                />
+            </details>
 
             {/* 통계 분석 */}
-            <section className="lotto-panel lotto-panel--wide">
+            <details className="lotto-section-fold">
+                <summary>통계 분석</summary>
+                <section className="lotto-panel lotto-panel--wide">
                 <div className="lotto-panel__head">
                     <div>
                         <p className="lotto-panel__eyebrow">Analysis</p>
@@ -237,9 +248,12 @@ export default function AnalysisTab() {
                     </p>
                 )}
             </section>
+            </details>
 
             {/* 전체 번호 분포 */}
-            <section className="lotto-panel lotto-panel--wide">
+            <details className="lotto-section-fold">
+                <summary>전체 회차 번호 분포</summary>
+                <section className="lotto-panel lotto-panel--wide">
                 <div className="lotto-panel__head">
                     <div>
                         <p className="lotto-panel__eyebrow">Distribution</p>
@@ -263,12 +277,18 @@ export default function AnalysisTab() {
                     <p className="lotto-empty">통계 데이터를 불러오지 못했습니다.</p>
                 )}
             </section>
+            </details>
 
             {/* 내 번호 패턴 */}
-            <PersonalAnalysisPanel data={ld.personalAnalysis} loading={ld.personalLoading} />
+            <details className="lotto-section-fold">
+                <summary>내 번호 패턴</summary>
+                <PersonalAnalysisPanel data={ld.personalAnalysis} loading={ld.personalLoading} />
+            </details>
 
             {/* 수동 추천 */}
-            <section className="lotto-panel">
+            <details className="lotto-section-fold">
+                <summary>수동 추천</summary>
+                <section className="lotto-panel">
                 <div className="lotto-panel__head">
                     <div>
                         <p className="lotto-panel__eyebrow">Manual Recommendation</p>
@@ -365,9 +385,12 @@ export default function AnalysisTab() {
                     <p className="lotto-empty">아직 추천 결과가 없습니다.</p>
                 )}
             </section>
+            </details>
 
             {/* 추천 히스토리 */}
-            <section className="lotto-panel">
+            <details className="lotto-section-fold">
+                <summary>추천 히스토리</summary>
+                <section className="lotto-panel">
                 <div className="lotto-panel__head">
                     <div>
                         <p className="lotto-panel__eyebrow">History</p>
@@ -423,6 +446,7 @@ export default function AnalysisTab() {
                     </div>
                 )}
             </section>
+            </details>
         </>
     );
 }