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/locales/ja-JP.yml b/locales/ja-JP.yml
index cd9521a9f8..8c1334c6a8 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1013,6 +1013,7 @@ horizontal: "横"
 position: "位置"
 serverRules: "サーバールール"
 pleaseConfirmBelowBeforeSignup: "このサーバーに登録する前に、以下を確認してください。"
+pleaseAgreeAllToContinue: "続けるには、全ての「同意する」にチェックが入っている必要があります。"
 continue: "続ける"
 
 _serverRules:
diff --git a/packages/frontend/src/components/MkRetentionHeatmap.vue b/packages/frontend/src/components/MkRetentionHeatmap.vue
index 85c009f746..f33f68cab7 100644
--- a/packages/frontend/src/components/MkRetentionHeatmap.vue
+++ b/packages/frontend/src/components/MkRetentionHeatmap.vue
@@ -44,7 +44,13 @@ async function renderChart() {
 
 	const data = [];
 	for (const record of raw) {
-		let i = 0;
+		data.push({
+			x: 0,
+			y: record.createdAt,
+			v: record.users,
+		});
+
+		let i = 1;
 		for (const date of Object.keys(record.data).sort((a, b) => new Date(a).getTime() - new Date(b).getTime())) {
 			data.push({
 				x: i,
@@ -61,8 +67,14 @@ async function renderChart() {
 
 	const color = defaultStore.state.darkMode ? '#b4e900' : '#86b300';
 
-	// 視覚上の分かりやすさのため上から最も大きい3つの値の平均を最大値とする
-	const max = raw.map(x => x.users).slice().sort((a, b) => b - a).slice(0, 3).reduce((a, b) => a + b, 0) / 3;
+	const getYYYYMMDD = (date: Date) => {
+		const y = date.getFullYear().toString().padStart(2, '0');
+		const m = (date.getMonth() + 1).toString().padStart(2, '0');
+		const d = date.getDate().toString().padStart(2, '0');
+		return `${y}/${m}/${d}`;
+	};
+
+	const max = (createdAt: string) => raw.find(x => x.createdAt === createdAt)!.users;
 
 	const marginEachCell = 12;
 
@@ -78,7 +90,7 @@ async function renderChart() {
 				borderRadius: 3,
 				backgroundColor(c) {
 					const value = c.dataset.data[c.dataIndex].v;
-					const a = value / max;
+					const a = value / max(c.dataset.data[c.dataIndex].y);
 					return alpha(color, a);
 				},
 				fill: true,
@@ -115,7 +127,7 @@ async function renderChart() {
 						maxRotation: 0,
 						autoSkipPadding: 0,
 						autoSkip: false,
-						callback: (value, index, values) => value + 1,
+						callback: (value, index, values) => value,
 					},
 				},
 				y: {
@@ -150,11 +162,11 @@ async function renderChart() {
 					callbacks: {
 						title(context) {
 							const v = context[0].dataset.data[context[0].dataIndex];
-							return v.d;
+							return getYYYYMMDD(new Date(new Date(v.y).getTime() + (v.x * 86400000)));
 						},
 						label(context) {
 							const v = context.dataset.data[context.dataIndex];
-							return ['Active: ' + v.v];
+							return [`Active: ${v.v} (${Math.round((v.v / max(v.y)) * 100)}%)`];
 						},
 					},
 					//mode: 'index',
diff --git a/packages/frontend/src/components/MkSignupDialog.rules.vue b/packages/frontend/src/components/MkSignupDialog.rules.vue
index be1c7f8c35..ed179ffdeb 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>
 
@@ -36,7 +36,12 @@
 				<MkSwitch v-model="agreeNote" style="margin-top: 16px;" data-cy-signup-rules-notes-agree>{{ i18n.ts.agree }}</MkSwitch>
 			</MkFolder>
 
-			<MkButton primary rounded gradate style="margin: 0 auto;" :disabled="!agreed" data-cy-signup-rules-continue @click="emit('accept')">{{ i18n.ts.continue }} <i class="ti ti-arrow-right"></i></MkButton>
+			<div v-if="!agreed" style="text-align: center;">{{ i18n.ts.pleaseAgreeAllToContinue }}</div>
+
+			<div class="_buttonsCenter">
+				<MkButton inline rounded @click="emit('cancel')">{{ i18n.ts.cancel }}</MkButton>
+				<MkButton inline primary rounded gradate :disabled="!agreed" data-cy-signup-rules-continue @click="emit('done')">{{ i18n.ts.continue }} <i class="ti ti-arrow-right"></i></MkButton>
+			</div>
 		</div>
 	</MkSpacer>
 </div>
@@ -62,7 +67,8 @@ const agreed = computed(() => {
 });
 
 const emit = defineEmits<{
-	(ev: 'accept'): void;
+	(ev: 'cancel'): void;
+	(ev: 'done'): void;
 }>();
 </script>
 
diff --git a/packages/frontend/src/components/MkSignupDialog.vue b/packages/frontend/src/components/MkSignupDialog.vue
index b4fc564d36..17f8b86425 100644
--- a/packages/frontend/src/components/MkSignupDialog.vue
+++ b/packages/frontend/src/components/MkSignupDialog.vue
@@ -17,7 +17,7 @@
 			:leave-to-class="$style.transition_x_leaveTo"
 		>
 			<template v-if="!isAcceptedServerRule">
-				<XServerRules @accept="isAcceptedServerRule = true"/>
+				<XServerRules @done="isAcceptedServerRule = true" @cancel="dialog.close()"/>
 			</template>
 			<template v-else>
 				<XSignup :auto-set="autoSet" @signup="onSignup" @signup-email-pending="onSignupEmailPending"/>