diff --git a/src/line/flex-templates/schedule-cards.ts b/src/line/flex-templates/schedule-cards.ts
index 2bf1ab9b4ee..28010d0f160 100644
--- a/src/line/flex-templates/schedule-cards.ts
+++ b/src/line/flex-templates/schedule-cards.ts
@@ -1,6 +1,56 @@
 import type { Action, FlexBox, FlexBubble, FlexComponent, FlexText } from "./types.js";
 import { attachFooterText } from "./common.js";
 
+function buildTitleSubtitleHeader(params: { title: string; subtitle?: string }): FlexComponent[] {
+  const { title, subtitle } = params;
+  const headerContents: FlexComponent[] = [
+    {
+      type: "text",
+      text: title,
+      weight: "bold",
+      size: "xl",
+      color: "#111111",
+      wrap: true,
+    } as FlexText,
+  ];
+
+  if (subtitle) {
+    headerContents.push({
+      type: "text",
+      text: subtitle,
+      size: "sm",
+      color: "#888888",
+      margin: "sm",
+      wrap: true,
+    } as FlexText);
+  }
+
+  return headerContents;
+}
+
+function createMegaBubbleWithFooter(params: {
+  bodyContents: FlexComponent[];
+  footer?: string;
+}): FlexBubble {
+  const bubble: FlexBubble = {
+    type: "bubble",
+    size: "mega",
+    body: {
+      type: "box",
+      layout: "vertical",
+      contents: params.bodyContents,
+      paddingAll: "xl",
+      backgroundColor: "#FFFFFF",
+    },
+  };
+
+  if (params.footer) {
+    attachFooterText(bubble, params.footer);
+  }
+
+  return bubble;
+}
+
 /**
  * Create a receipt/summary card (for orders, transactions, data tables)
  *
@@ -48,27 +98,7 @@ export function createReceiptCard(params: {
   );
 
   // Header section
-  const headerContents: FlexComponent[] = [
-    {
-      type: "text",
-      text: title,
-      weight: "bold",
-      size: "xl",
-      color: "#111111",
-      wrap: true,
-    } as FlexText,
-  ];
-
-  if (subtitle) {
-    headerContents.push({
-      type: "text",
-      text: subtitle,
-      size: "sm",
-      color: "#888888",
-      margin: "sm",
-      wrap: true,
-    } as FlexText);
-  }
+  const headerContents = buildTitleSubtitleHeader({ title, subtitle });
 
   const bodyContents: FlexComponent[] = [
     {
@@ -123,23 +153,7 @@ export function createReceiptCard(params: {
     } as FlexBox);
   }
 
-  const bubble: FlexBubble = {
-    type: "bubble",
-    size: "mega",
-    body: {
-      type: "box",
-      layout: "vertical",
-      contents: bodyContents,
-      paddingAll: "xl",
-      backgroundColor: "#FFFFFF",
-    },
-  };
-
-  if (footer) {
-    attachFooterText(bubble, footer);
-  }
-
-  return bubble;
+  return createMegaBubbleWithFooter({ bodyContents, footer });
 }
 
 /**
@@ -338,27 +352,7 @@ export function createAgendaCard(params: {
   const { title, subtitle, events, footer } = params;
 
   // Header with title and optional subtitle
-  const headerContents: FlexComponent[] = [
-    {
-      type: "text",
-      text: title,
-      weight: "bold",
-      size: "xl",
-      color: "#111111",
-      wrap: true,
-    } as FlexText,
-  ];
-
-  if (subtitle) {
-    headerContents.push({
-      type: "text",
-      text: subtitle,
-      size: "sm",
-      color: "#888888",
-      margin: "sm",
-      wrap: true,
-    } as FlexText);
-  }
+  const headerContents = buildTitleSubtitleHeader({ title, subtitle });
 
   // Event timeline items
   const eventItems: FlexComponent[] = events.slice(0, 6).map((event, index) => {
@@ -472,21 +466,5 @@ export function createAgendaCard(params: {
     } as FlexBox,
   ];
 
-  const bubble: FlexBubble = {
-    type: "bubble",
-    size: "mega",
-    body: {
-      type: "box",
-      layout: "vertical",
-      contents: bodyContents,
-      paddingAll: "xl",
-      backgroundColor: "#FFFFFF",
-    },
-  };
-
-  if (footer) {
-    attachFooterText(bubble, footer);
-  }
-
-  return bubble;
+  return createMegaBubbleWithFooter({ bodyContents, footer });
 }