diff --git a/app/[locale]/guide/agent/page.tsx b/app/[locale]/guide/agent/page.tsx
index 73987dec..45a524d0 100644
--- a/app/[locale]/guide/agent/page.tsx
+++ b/app/[locale]/guide/agent/page.tsx
@@ -47,11 +47,11 @@ export default async function GuideAgentPage({
     <AppShell>
       <article className="mx-auto max-w-3xl">
         <Link
-          href={`/${locale}`}
+          href={`/${locale}${c.backLink.href}`}
           prefetch={false}
           className="text-sm font-medium text-emerald-700 hover:text-emerald-900"
         >
-          {c.backHome}
+          {c.backLink.label}
         </Link>
 
         <header className="mt-4">
diff --git a/app/[locale]/guide/ai-pay/page.tsx b/app/[locale]/guide/ai-pay/page.tsx
index c1960aef..1dbd81ce 100644
--- a/app/[locale]/guide/ai-pay/page.tsx
+++ b/app/[locale]/guide/ai-pay/page.tsx
@@ -46,11 +46,11 @@ export default async function GuideAiPayPage({
     <AppShell>
       <article className="mx-auto max-w-3xl">
         <Link
-          href={`/${locale}`}
+          href={`/${locale}${c.backLink.href}`}
           prefetch={false}
           className="text-sm font-medium text-emerald-700 hover:text-emerald-900"
         >
-          {c.backHome}
+          {c.backLink.label}
         </Link>
 
         <header className="mt-4">
diff --git a/lib/agentGuide.ts b/lib/agentGuide.ts
index 30de53eb..e6764d3a 100644
--- a/lib/agentGuide.ts
+++ b/lib/agentGuide.ts
@@ -113,7 +113,8 @@ export type AgentGuideContent = {
   readonly ctaButton: string;
   readonly ctaButtonHref: string;
 
-  readonly backHome: string;
+  /** ページ上部のリンク。トップへはヘッダのロゴで戻れるので、文脈上の親 (/agent) を指す。 */
+  readonly backLink: { readonly label: string; readonly href: string };
 };
 
 const ja: AgentGuideContent = {
@@ -280,7 +281,7 @@ const ja: AgentGuideContent = {
   ctaButton: 'AIストアを見る',
   ctaButtonHref: '/discovery',
 
-  backHome: '← トップにもどる',
+  backLink: { label: '← OpenPay Agent', href: '/agent' },
 };
 
 const en: AgentGuideContent = {
@@ -446,7 +447,7 @@ const en: AgentGuideContent = {
   ctaButton: 'Open the AI store',
   ctaButtonHref: '/discovery',
 
-  backHome: '← Back to home',
+  backLink: { label: '← OpenPay Agent', href: '/agent' },
 };
 
 export const AGENT_GUIDE: Record<AgentGuideLocale, AgentGuideContent> = { ja, en };
diff --git a/lib/aiPayGuide.ts b/lib/aiPayGuide.ts
index 73d3184b..e9edc7a3 100644
--- a/lib/aiPayGuide.ts
+++ b/lib/aiPayGuide.ts
@@ -98,7 +98,8 @@ export type AiPayGuideContent = JpycSectionContent & {
   readonly metaDescription: string;
   readonly title: string;
   readonly subtitle: string;
-  readonly backHome: string;
+  /** ページ上部のリンク。トップへはヘッダのロゴで戻れるので、文脈上の親 (/agent) を指す。 */
+  readonly backLink: AiPayGuideLink;
 
   readonly mechanismTitle: string;
   readonly mechanismIntro: string;
@@ -174,7 +175,7 @@ const ja: AiPayGuideContent = {
   title: 'あなたの AI に、支払う力を。',
   subtitle:
     'Claude などの AI エージェントが、AI ストアのデータ・API・AI への相談を JPYC で都度購入できるようになります。数分のセットアップで、支払いは数円から。',
-  backHome: '← トップにもどる',
+  backLink: { label: '← OpenPay Agent', href: '/agent' },
 
   mechanismTitle: '仕組み (30 秒)',
   mechanismIntro:
@@ -292,7 +293,7 @@ const en: AiPayGuideContent = {
   title: 'Give your AI the power to pay.',
   subtitle:
     'AI agents such as Claude can buy data, APIs, and consultations with other AIs from the AI Store, paying JPYC per use. Setup takes minutes, and purchases start at just a few yen.',
-  backHome: '← Back to home',
+  backLink: { label: '← OpenPay Agent', href: '/agent' },
 
   mechanismTitle: 'How it works (30 seconds)',
   mechanismIntro:
diff --git a/tests/lib/agentGuide.test.ts b/tests/lib/agentGuide.test.ts
index 7ae5bcf8..41f33489 100644
--- a/tests/lib/agentGuide.test.ts
+++ b/tests/lib/agentGuide.test.ts
@@ -90,6 +90,14 @@ describe('guideAgentMetadata: メタデータ組立', () => {
 
 // ── (2) ja/en parity + 全 leaf 非空 ───────────────────────────────
 describe('AGENT_GUIDE: ja/en 構造 parity と非空', () => {
+  it.each(LOCALES)('%s: 上部のリンクは文脈上の親 (/agent) を指し、ラベルは「もどる」と言わない', (loc) => {
+    // トップへはヘッダのロゴで戻れる。流入元は複数 (/agent・LP のモバイルオーダー節・店舗ガイド…) なので親ページの名前を出す。
+    const c = AGENT_GUIDE[loc];
+    expect(c.backLink.href).toBe('/agent');
+    expect(c.backLink.label).toBe('← OpenPay Agent');
+    expect(c.backLink.label).not.toMatch(/もどる|戻る|Back/i);
+  });
+
   it('ja と en のトップレベルキーが完全一致', () => {
     expect(Object.keys(AGENT_GUIDE.ja).sort()).toEqual(
       Object.keys(AGENT_GUIDE.en).sort(),
diff --git a/tests/lib/aiPayGuide.test.ts b/tests/lib/aiPayGuide.test.ts
index 48e544c1..8201fdee 100644
--- a/tests/lib/aiPayGuide.test.ts
+++ b/tests/lib/aiPayGuide.test.ts
@@ -128,6 +128,14 @@ describe('AI_PAY_GUIDE: 主要リンク', () => {
     expect(c.sdkLink.href).toBe(expected.sdk);
   });
 
+  it.each(LOCALES)('%s: 上部のリンクは文脈上の親 (/agent) を指し、ラベルは「もどる」と言わない', (loc) => {
+    // トップへはヘッダのロゴで戻れる。流入元は複数 (/agent・AI ストア・LP…) なので「もどる」ではなく親ページの名前を出す。
+    const c = AI_PAY_GUIDE[loc];
+    expect(c.backLink.href).toBe('/agent');
+    expect(c.backLink.label).toBe('← OpenPay Agent');
+    expect(c.backLink.label).not.toMatch(/もどる|戻る|Back/i);
+  });
+
   it.each(LOCALES)('%s: discovery と売り手ガイドの内部リンクが正しい', (loc) => {
     const c = AI_PAY_GUIDE[loc];
     expect(c.ctaButtonHref).toBe('/discovery');