diff --git a/packages/frontend-embed/src/boot.ts b/packages/frontend-embed/src/boot.ts
index 9a363ab3e3..fcea7d32ea 100644
--- a/packages/frontend-embed/src/boot.ts
+++ b/packages/frontend-embed/src/boot.ts
@@ -9,20 +9,20 @@ import 'vite/modulepreload-polyfill';
 import '@tabler/icons-webfont/dist/tabler-icons.scss';
 
 import '@/style.scss';
-import '@@/styles/mfm.scss';
 import { createApp, defineAsyncComponent } from 'vue';
 import defaultLightTheme from '@@/themes/l-light.json5';
 import defaultDarkTheme from '@@/themes/d-dark.json5';
 import { MediaProxy } from '@@/js/media-proxy.js';
-import { url } from '@@/js/config.js';
-import { parseEmbedParams } from '@@/js/embed-page.js';
-import type { Theme } from '@/theme.js';
 import { applyTheme, assertIsTheme } from '@/theme.js';
 import { fetchCustomEmojis } from '@/custom-emojis.js';
 import { DI } from '@/di.js';
 import { serverMetadata } from '@/server-metadata.js';
+import { url } from '@@/js/config.js';
+import { parseEmbedParams } from '@@/js/embed-page.js';
 import { postMessageToParentWindow, setIframeId } from '@/post-message.js';
 
+import type { Theme } from '@/theme.js';
+
 console.log('Misskey Embed');
 
 const params = new URLSearchParams(location.search);
diff --git a/packages/frontend-embed/src/style.scss b/packages/frontend-embed/src/style.scss
index 4d169863c8..02008ddbd0 100644
--- a/packages/frontend-embed/src/style.scss
+++ b/packages/frontend-embed/src/style.scss
@@ -307,3 +307,147 @@ rt {
 ._monospace {
 	font-family: Fira code, Fira Mono, Consolas, Menlo, Courier, monospace !important;
 }
+
+// MFM -----------------------------
+
+._mfm_blur_ {
+	filter: blur(6px);
+	transition: filter 0.3s;
+
+	&:hover {
+		filter: blur(0px);
+	}
+}
+
+.mfm-x2 {
+	--mfm-zoom-size: 200%;
+}
+
+.mfm-x3 {
+	--mfm-zoom-size: 400%;
+}
+
+.mfm-x4 {
+	--mfm-zoom-size: 600%;
+}
+
+.mfm-x2, .mfm-x3, .mfm-x4 {
+	font-size: var(--mfm-zoom-size);
+
+	.mfm-x2, .mfm-x3, .mfm-x4 {
+		/* only half effective */
+		font-size: calc(var(--mfm-zoom-size) / 2 + 50%);
+
+		.mfm-x2, .mfm-x3, .mfm-x4 {
+			/* disabled */
+			font-size: 100%;
+		}
+	}
+}
+
+._mfm_rainbow_fallback_ {
+	background-image: linear-gradient(to right, rgb(255, 0, 0) 0%, rgb(255, 165, 0) 17%, rgb(255, 255, 0) 33%, rgb(0, 255, 0) 50%, rgb(0, 255, 255) 67%, rgb(0, 0, 255) 83%, rgb(255, 0, 255) 100%);
+	-webkit-background-clip: text;
+	background-clip: text;
+	color: transparent;
+}
+
+@keyframes mfm-spin {
+	0% { transform: rotate(0deg); }
+	100% { transform: rotate(360deg); }
+}
+
+@keyframes mfm-spinX {
+	0% { transform: perspective(128px) rotateX(0deg); }
+	100% { transform: perspective(128px) rotateX(360deg); }
+}
+
+@keyframes mfm-spinY {
+	0% { transform: perspective(128px) rotateY(0deg); }
+	100% { transform: perspective(128px) rotateY(360deg); }
+}
+
+@keyframes mfm-jump {
+	0% { transform: translateY(0); }
+	25% { transform: translateY(-16px); }
+	50% { transform: translateY(0); }
+	75% { transform: translateY(-8px); }
+	100% { transform: translateY(0); }
+}
+
+@keyframes mfm-bounce {
+	0% { transform: translateY(0) scale(1, 1); }
+	25% { transform: translateY(-16px) scale(1, 1); }
+	50% { transform: translateY(0) scale(1, 1); }
+	75% { transform: translateY(0) scale(1.5, 0.75); }
+	100% { transform: translateY(0) scale(1, 1); }
+}
+
+// const val = () => `translate(${Math.floor(Math.random() * 20) - 10}px, ${Math.floor(Math.random() * 20) - 10}px)`;
+// let css = '';
+// for (let i = 0; i <= 100; i += 5) { css += `${i}% { transform: ${val()} }\n`; }
+@keyframes mfm-twitch {
+	0% { transform: translate(7px, -2px) }
+	5% { transform: translate(-3px, 1px) }
+	10% { transform: translate(-7px, -1px) }
+	15% { transform: translate(0px, -1px) }
+	20% { transform: translate(-8px, 6px) }
+	25% { transform: translate(-4px, -3px) }
+	30% { transform: translate(-4px, -6px) }
+	35% { transform: translate(-8px, -8px) }
+	40% { transform: translate(4px, 6px) }
+	45% { transform: translate(-3px, 1px) }
+	50% { transform: translate(2px, -10px) }
+	55% { transform: translate(-7px, 0px) }
+	60% { transform: translate(-2px, 4px) }
+	65% { transform: translate(3px, -8px) }
+	70% { transform: translate(6px, 7px) }
+	75% { transform: translate(-7px, -2px) }
+	80% { transform: translate(-7px, -8px) }
+	85% { transform: translate(9px, 3px) }
+	90% { transform: translate(-3px, -2px) }
+	95% { transform: translate(-10px, 2px) }
+	100% { transform: translate(-2px, -6px) }
+}
+
+// const val = () => `translate(${Math.floor(Math.random() * 6) - 3}px, ${Math.floor(Math.random() * 6) - 3}px) rotate(${Math.floor(Math.random() * 24) - 12}deg)`;
+// let css = '';
+// for (let i = 0; i <= 100; i += 5) { css += `${i}% { transform: ${val()} }\n`; }
+@keyframes mfm-shake {
+	0% { transform: translate(-3px, -1px) rotate(-8deg) }
+	5% { transform: translate(0px, -1px) rotate(-10deg) }
+	10% { transform: translate(1px, -3px) rotate(0deg) }
+	15% { transform: translate(1px, 1px) rotate(11deg) }
+	20% { transform: translate(-2px, 1px) rotate(1deg) }
+	25% { transform: translate(-1px, -2px) rotate(-2deg) }
+	30% { transform: translate(-1px, 2px) rotate(-3deg) }
+	35% { transform: translate(2px, 1px) rotate(6deg) }
+	40% { transform: translate(-2px, -3px) rotate(-9deg) }
+	45% { transform: translate(0px, -1px) rotate(-12deg) }
+	50% { transform: translate(1px, 2px) rotate(10deg) }
+	55% { transform: translate(0px, -3px) rotate(8deg) }
+	60% { transform: translate(1px, -1px) rotate(8deg) }
+	65% { transform: translate(0px, -1px) rotate(-7deg) }
+	70% { transform: translate(-1px, -3px) rotate(6deg) }
+	75% { transform: translate(0px, -2px) rotate(4deg) }
+	80% { transform: translate(-2px, -1px) rotate(3deg) }
+	85% { transform: translate(1px, -3px) rotate(-10deg) }
+	90% { transform: translate(1px, 0px) rotate(3deg) }
+	95% { transform: translate(-2px, 0px) rotate(-3deg) }
+	100% { transform: translate(2px, 1px) rotate(2deg) }
+}
+
+@keyframes mfm-rubberBand {
+	from { transform: scale3d(1, 1, 1); }
+	30% { transform: scale3d(1.25, 0.75, 1); }
+	40% { transform: scale3d(0.75, 1.25, 1); }
+	50% { transform: scale3d(1.15, 0.85, 1); }
+	65% { transform: scale3d(0.95, 1.05, 1); }
+	75% { transform: scale3d(1.05, 0.95, 1); }
+	to { transform: scale3d(1, 1, 1); }
+}
+
+@keyframes mfm-rainbow {
+	0% { filter: hue-rotate(0deg) contrast(150%) saturate(150%); }
+	100% { filter: hue-rotate(360deg) contrast(150%) saturate(150%); }
+}
diff --git a/packages/frontend-shared/styles/mfm.scss b/packages/frontend-shared/styles/mfm.scss
deleted file mode 100644
index 5ca744bf78..0000000000
--- a/packages/frontend-shared/styles/mfm.scss
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- *
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-._mfm_blur_ {
-	filter: blur(6px);
-	transition: filter 0.3s;
-
-	&:hover {
-		filter: blur(0px);
-	}
-}
-
-.mfm-x2 {
-	--mfm-zoom-size: 200%;
-}
-
-.mfm-x3 {
-	--mfm-zoom-size: 400%;
-}
-
-.mfm-x4 {
-	--mfm-zoom-size: 600%;
-}
-
-.mfm-x2, .mfm-x3, .mfm-x4 {
-	font-size: var(--mfm-zoom-size);
-
-	.mfm-x2, .mfm-x3, .mfm-x4 {
-		/* only half effective */
-		font-size: calc(var(--mfm-zoom-size) / 2 + 50%);
-
-		.mfm-x2, .mfm-x3, .mfm-x4 {
-			/* disabled */
-			font-size: 100%;
-		}
-	}
-}
-
-._mfm_rainbow_fallback_ {
-	background-image: linear-gradient(to right, rgb(255, 0, 0) 0%, rgb(255, 165, 0) 17%, rgb(255, 255, 0) 33%, rgb(0, 255, 0) 50%, rgb(0, 255, 255) 67%, rgb(0, 0, 255) 83%, rgb(255, 0, 255) 100%);
-	-webkit-background-clip: text;
-	background-clip: text;
-	color: transparent;
-}
-
-@keyframes mfm-spin {
-	0% { transform: rotate(0deg); }
-	100% { transform: rotate(360deg); }
-}
-
-@keyframes mfm-spinX {
-	0% { transform: perspective(128px) rotateX(0deg); }
-	100% { transform: perspective(128px) rotateX(360deg); }
-}
-
-@keyframes mfm-spinY {
-	0% { transform: perspective(128px) rotateY(0deg); }
-	100% { transform: perspective(128px) rotateY(360deg); }
-}
-
-@keyframes mfm-jump {
-	0% { transform: translateY(0); }
-	25% { transform: translateY(-16px); }
-	50% { transform: translateY(0); }
-	75% { transform: translateY(-8px); }
-	100% { transform: translateY(0); }
-}
-
-@keyframes mfm-bounce {
-	0% { transform: translateY(0) scale(1, 1); }
-	25% { transform: translateY(-16px) scale(1, 1); }
-	50% { transform: translateY(0) scale(1, 1); }
-	75% { transform: translateY(0) scale(1.5, 0.75); }
-	100% { transform: translateY(0) scale(1, 1); }
-}
-
-// const val = () => `translate(${Math.floor(Math.random() * 20) - 10}px, ${Math.floor(Math.random() * 20) - 10}px)`;
-// let css = '';
-// for (let i = 0; i <= 100; i += 5) { css += `${i}% { transform: ${val()} }\n`; }
-@keyframes mfm-twitch {
-	0% { transform: translate(7px, -2px) }
-	5% { transform: translate(-3px, 1px) }
-	10% { transform: translate(-7px, -1px) }
-	15% { transform: translate(0px, -1px) }
-	20% { transform: translate(-8px, 6px) }
-	25% { transform: translate(-4px, -3px) }
-	30% { transform: translate(-4px, -6px) }
-	35% { transform: translate(-8px, -8px) }
-	40% { transform: translate(4px, 6px) }
-	45% { transform: translate(-3px, 1px) }
-	50% { transform: translate(2px, -10px) }
-	55% { transform: translate(-7px, 0px) }
-	60% { transform: translate(-2px, 4px) }
-	65% { transform: translate(3px, -8px) }
-	70% { transform: translate(6px, 7px) }
-	75% { transform: translate(-7px, -2px) }
-	80% { transform: translate(-7px, -8px) }
-	85% { transform: translate(9px, 3px) }
-	90% { transform: translate(-3px, -2px) }
-	95% { transform: translate(-10px, 2px) }
-	100% { transform: translate(-2px, -6px) }
-}
-
-// const val = () => `translate(${Math.floor(Math.random() * 6) - 3}px, ${Math.floor(Math.random() * 6) - 3}px) rotate(${Math.floor(Math.random() * 24) - 12}deg)`;
-// let css = '';
-// for (let i = 0; i <= 100; i += 5) { css += `${i}% { transform: ${val()} }\n`; }
-@keyframes mfm-shake {
-	0% { transform: translate(-3px, -1px) rotate(-8deg) }
-	5% { transform: translate(0px, -1px) rotate(-10deg) }
-	10% { transform: translate(1px, -3px) rotate(0deg) }
-	15% { transform: translate(1px, 1px) rotate(11deg) }
-	20% { transform: translate(-2px, 1px) rotate(1deg) }
-	25% { transform: translate(-1px, -2px) rotate(-2deg) }
-	30% { transform: translate(-1px, 2px) rotate(-3deg) }
-	35% { transform: translate(2px, 1px) rotate(6deg) }
-	40% { transform: translate(-2px, -3px) rotate(-9deg) }
-	45% { transform: translate(0px, -1px) rotate(-12deg) }
-	50% { transform: translate(1px, 2px) rotate(10deg) }
-	55% { transform: translate(0px, -3px) rotate(8deg) }
-	60% { transform: translate(1px, -1px) rotate(8deg) }
-	65% { transform: translate(0px, -1px) rotate(-7deg) }
-	70% { transform: translate(-1px, -3px) rotate(6deg) }
-	75% { transform: translate(0px, -2px) rotate(4deg) }
-	80% { transform: translate(-2px, -1px) rotate(3deg) }
-	85% { transform: translate(1px, -3px) rotate(-10deg) }
-	90% { transform: translate(1px, 0px) rotate(3deg) }
-	95% { transform: translate(-2px, 0px) rotate(-3deg) }
-	100% { transform: translate(2px, 1px) rotate(2deg) }
-}
-
-@keyframes mfm-rubberBand {
-	from { transform: scale3d(1, 1, 1); }
-	30% { transform: scale3d(1.25, 0.75, 1); }
-	40% { transform: scale3d(0.75, 1.25, 1); }
-	50% { transform: scale3d(1.15, 0.85, 1); }
-	65% { transform: scale3d(0.95, 1.05, 1); }
-	75% { transform: scale3d(1.05, 0.95, 1); }
-	to { transform: scale3d(1, 1, 1); }
-}
-
-@keyframes mfm-rainbow {
-	0% { filter: hue-rotate(0deg) contrast(150%) saturate(150%); }
-	100% { filter: hue-rotate(360deg) contrast(150%) saturate(150%); }
-}
diff --git a/packages/frontend/.storybook/preview.ts b/packages/frontend/.storybook/preview.ts
index b101748397..d000a28232 100644
--- a/packages/frontend/.storybook/preview.ts
+++ b/packages/frontend/.storybook/preview.ts
@@ -13,7 +13,6 @@ import locale from './locale.js';
 import { commonHandlers, onUnhandledRequest } from './mocks.js';
 import themes from './themes.js';
 import '../src/style.scss';
-import '../../frontend-shared/styles/mfm.scss';
 
 const appInitialized = Symbol();
 
diff --git a/packages/frontend/src/_boot_.ts b/packages/frontend/src/_boot_.ts
index fb9d631739..13a97e433c 100644
--- a/packages/frontend/src/_boot_.ts
+++ b/packages/frontend/src/_boot_.ts
@@ -9,7 +9,6 @@ import 'vite/modulepreload-polyfill';
 import '@tabler/icons-webfont/dist/tabler-icons.scss';
 
 import '@/style.scss';
-import '@@/styles/mfm.scss';
 import { mainBoot } from '@/boot/main-boot.js';
 import { subBoot } from '@/boot/sub-boot.js';
 
diff --git a/packages/frontend/src/style.scss b/packages/frontend/src/style.scss
index 5b95864a12..caaf9fca6f 100644
--- a/packages/frontend/src/style.scss
+++ b/packages/frontend/src/style.scss
@@ -541,3 +541,147 @@ html[data-color-mode=dark] ._woodenFrame {
     transform:  scaleX(1.00) scaleY(1.00) ;
   }
 }
+
+// MFM -----------------------------
+
+._mfm_blur_ {
+	filter: blur(6px);
+	transition: filter 0.3s;
+
+	&:hover {
+		filter: blur(0px);
+	}
+}
+
+.mfm-x2 {
+	--mfm-zoom-size: 200%;
+}
+
+.mfm-x3 {
+	--mfm-zoom-size: 400%;
+}
+
+.mfm-x4 {
+	--mfm-zoom-size: 600%;
+}
+
+.mfm-x2, .mfm-x3, .mfm-x4 {
+	font-size: var(--mfm-zoom-size);
+
+	.mfm-x2, .mfm-x3, .mfm-x4 {
+		/* only half effective */
+		font-size: calc(var(--mfm-zoom-size) / 2 + 50%);
+
+		.mfm-x2, .mfm-x3, .mfm-x4 {
+			/* disabled */
+			font-size: 100%;
+		}
+	}
+}
+
+._mfm_rainbow_fallback_ {
+	background-image: linear-gradient(to right, rgb(255, 0, 0) 0%, rgb(255, 165, 0) 17%, rgb(255, 255, 0) 33%, rgb(0, 255, 0) 50%, rgb(0, 255, 255) 67%, rgb(0, 0, 255) 83%, rgb(255, 0, 255) 100%);
+	-webkit-background-clip: text;
+	background-clip: text;
+	color: transparent;
+}
+
+@keyframes mfm-spin {
+	0% { transform: rotate(0deg); }
+	100% { transform: rotate(360deg); }
+}
+
+@keyframes mfm-spinX {
+	0% { transform: perspective(128px) rotateX(0deg); }
+	100% { transform: perspective(128px) rotateX(360deg); }
+}
+
+@keyframes mfm-spinY {
+	0% { transform: perspective(128px) rotateY(0deg); }
+	100% { transform: perspective(128px) rotateY(360deg); }
+}
+
+@keyframes mfm-jump {
+	0% { transform: translateY(0); }
+	25% { transform: translateY(-16px); }
+	50% { transform: translateY(0); }
+	75% { transform: translateY(-8px); }
+	100% { transform: translateY(0); }
+}
+
+@keyframes mfm-bounce {
+	0% { transform: translateY(0) scale(1, 1); }
+	25% { transform: translateY(-16px) scale(1, 1); }
+	50% { transform: translateY(0) scale(1, 1); }
+	75% { transform: translateY(0) scale(1.5, 0.75); }
+	100% { transform: translateY(0) scale(1, 1); }
+}
+
+// const val = () => `translate(${Math.floor(Math.random() * 20) - 10}px, ${Math.floor(Math.random() * 20) - 10}px)`;
+// let css = '';
+// for (let i = 0; i <= 100; i += 5) { css += `${i}% { transform: ${val()} }\n`; }
+@keyframes mfm-twitch {
+	0% { transform: translate(7px, -2px) }
+	5% { transform: translate(-3px, 1px) }
+	10% { transform: translate(-7px, -1px) }
+	15% { transform: translate(0px, -1px) }
+	20% { transform: translate(-8px, 6px) }
+	25% { transform: translate(-4px, -3px) }
+	30% { transform: translate(-4px, -6px) }
+	35% { transform: translate(-8px, -8px) }
+	40% { transform: translate(4px, 6px) }
+	45% { transform: translate(-3px, 1px) }
+	50% { transform: translate(2px, -10px) }
+	55% { transform: translate(-7px, 0px) }
+	60% { transform: translate(-2px, 4px) }
+	65% { transform: translate(3px, -8px) }
+	70% { transform: translate(6px, 7px) }
+	75% { transform: translate(-7px, -2px) }
+	80% { transform: translate(-7px, -8px) }
+	85% { transform: translate(9px, 3px) }
+	90% { transform: translate(-3px, -2px) }
+	95% { transform: translate(-10px, 2px) }
+	100% { transform: translate(-2px, -6px) }
+}
+
+// const val = () => `translate(${Math.floor(Math.random() * 6) - 3}px, ${Math.floor(Math.random() * 6) - 3}px) rotate(${Math.floor(Math.random() * 24) - 12}deg)`;
+// let css = '';
+// for (let i = 0; i <= 100; i += 5) { css += `${i}% { transform: ${val()} }\n`; }
+@keyframes mfm-shake {
+	0% { transform: translate(-3px, -1px) rotate(-8deg) }
+	5% { transform: translate(0px, -1px) rotate(-10deg) }
+	10% { transform: translate(1px, -3px) rotate(0deg) }
+	15% { transform: translate(1px, 1px) rotate(11deg) }
+	20% { transform: translate(-2px, 1px) rotate(1deg) }
+	25% { transform: translate(-1px, -2px) rotate(-2deg) }
+	30% { transform: translate(-1px, 2px) rotate(-3deg) }
+	35% { transform: translate(2px, 1px) rotate(6deg) }
+	40% { transform: translate(-2px, -3px) rotate(-9deg) }
+	45% { transform: translate(0px, -1px) rotate(-12deg) }
+	50% { transform: translate(1px, 2px) rotate(10deg) }
+	55% { transform: translate(0px, -3px) rotate(8deg) }
+	60% { transform: translate(1px, -1px) rotate(8deg) }
+	65% { transform: translate(0px, -1px) rotate(-7deg) }
+	70% { transform: translate(-1px, -3px) rotate(6deg) }
+	75% { transform: translate(0px, -2px) rotate(4deg) }
+	80% { transform: translate(-2px, -1px) rotate(3deg) }
+	85% { transform: translate(1px, -3px) rotate(-10deg) }
+	90% { transform: translate(1px, 0px) rotate(3deg) }
+	95% { transform: translate(-2px, 0px) rotate(-3deg) }
+	100% { transform: translate(2px, 1px) rotate(2deg) }
+}
+
+@keyframes mfm-rubberBand {
+	from { transform: scale3d(1, 1, 1); }
+	30% { transform: scale3d(1.25, 0.75, 1); }
+	40% { transform: scale3d(0.75, 1.25, 1); }
+	50% { transform: scale3d(1.15, 0.85, 1); }
+	65% { transform: scale3d(0.95, 1.05, 1); }
+	75% { transform: scale3d(1.05, 0.95, 1); }
+	to { transform: scale3d(1, 1, 1); }
+}
+
+@keyframes mfm-rainbow {
+	0% { filter: hue-rotate(0deg) contrast(150%) saturate(150%); }
+	100% { filter: hue-rotate(360deg) contrast(150%) saturate(150%); }
+}