diff --git a/frontend/src/index.css b/frontend/src/index.css
index 2b3fff3..704a8da 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -70,7 +70,7 @@ html, body, #root {
   border-radius: 16px;
   padding: 28px 32px;
   box-shadow: 0 10px 30px rgba(0,0,0,0.25);
-  max-width: 720px;
+  max-width: 1280px;
   width: 100%;
   text-align: center;
   container-type: inline-size;
@@ -511,7 +511,7 @@ kbd {
 .archive-header,
 .archive-row {
   display: grid;
-  grid-template-columns: 70px 80px 1fr 90px 90px 150px 150px;
+  grid-template-columns: 70px 80px 1fr 1fr 90px 90px 150px 150px;
   gap: 10px;
   align-items: center;
   padding: 10px 12px;
@@ -522,7 +522,7 @@ kbd {
   overflow: auto;
 }
 .archive-table {
-  min-width: 860px;
+  min-width: 1040px;
 }
 .archive-header {
   font-weight: 800;
@@ -544,6 +544,8 @@ kbd {
   }
   .archive-header span:nth-child(3),
   .archive-row span:nth-child(3) { grid-column: span 2; }
+  .archive-header span:nth-child(4),
+  .archive-row span:nth-child(4) { grid-column: span 2; }
   .archive-table { min-width: 100%; }
 }
 
diff --git a/frontend/src/pages/ArchivePage.tsx b/frontend/src/pages/ArchivePage.tsx
index 0db2f50..4ccdcf9 100644
--- a/frontend/src/pages/ArchivePage.tsx
+++ b/frontend/src/pages/ArchivePage.tsx
@@ -80,6 +80,7 @@ export default function ArchivePage() {
                             <span>ID</span>
                             <span>話数</span>
                             <span>タイトル</span>
+                            <span>シーズン</span>
                             <span>開始時刻</span>
                             <span>再生時間</span>
                             <span>登録</span>
@@ -90,6 +91,7 @@ export default function ArchivePage() {
                                 <span>#{it.id}</span>
                                 <span>第{it.ep_num}話</span>
                                 <span>{it.ep_title}</span>
+                                <span>{it.season_name}</span>
                                 <span>{it.start_time.slice(0, 5)}</span>
                                 <span>{it.playback_length.slice(0, 5)}</span>
                                 <span className="subtle">{formatTimestamp(it.date_created)}</span>