diff --git a/cypress/e2e/basic.cy.js b/cypress/e2e/basic.cy.js
index b0c3d4c19a..e271894ec1 100644
--- a/cypress/e2e/basic.cy.js
+++ b/cypress/e2e/basic.cy.js
@@ -53,7 +53,6 @@ describe('After setup instance', () => {
 
 		cy.get('[data-cy-signup]').click();
 		cy.get('[data-cy-signup-rules-continue]').should('be.disabled');
-		cy.get('[data-cy-signup-rules-notes] [data-cy-folder-header]').click();
 		cy.get('[data-cy-signup-rules-notes-agree] [data-cy-switch-toggle]').click();
 		cy.get('[data-cy-signup-rules-continue]').should('not.be.disabled');
 		cy.get('[data-cy-signup-rules-continue]').click();
@@ -78,7 +77,6 @@ describe('After setup instance', () => {
 		// ユーザー名が重複している場合の挙動確認
 		cy.get('[data-cy-signup]').click();
 		cy.get('[data-cy-signup-rules-continue]').should('be.disabled');
-		cy.get('[data-cy-signup-rules-notes] [data-cy-folder-header]').click();
 		cy.get('[data-cy-signup-rules-notes-agree] [data-cy-switch-toggle]').click();
 		cy.get('[data-cy-signup-rules-continue]').should('not.be.disabled');
 		cy.get('[data-cy-signup-rules-continue]').click();
diff --git a/packages/frontend/src/components/MkSignupDialog.rules.vue b/packages/frontend/src/components/MkSignupDialog.rules.vue
index be1c7f8c35..3b39b72d37 100644
--- a/packages/frontend/src/components/MkSignupDialog.rules.vue
+++ b/packages/frontend/src/components/MkSignupDialog.rules.vue
@@ -18,7 +18,7 @@
 				<MkSwitch v-model="agreeServerRules" style="margin-top: 16px;">{{ i18n.ts.agree }}</MkSwitch>
 			</MkFolder>
 
-			<MkFolder v-if="availableTos">
+			<MkFolder v-if="availableTos" :default-open="true">
 				<template #label>{{ i18n.ts.termsOfService }}</template>
 				<template #suffix><i v-if="agreeTos" class="ti ti-check" style="color: var(--success)"></i></template>
 
@@ -27,7 +27,7 @@
 				<MkSwitch v-model="agreeTos" style="margin-top: 16px;">{{ i18n.ts.agree }}</MkSwitch>
 			</MkFolder>
 
-			<MkFolder data-cy-signup-rules-notes>
+			<MkFolder :default-open="true">
 				<template #label>{{ i18n.ts.basicNotesBeforeCreateAccount }}</template>
 				<template #suffix><i v-if="agreeNote" class="ti ti-check" style="color: var(--success)"></i></template>