diff --git a/articles/uploaded/test.mdx b/articles/uploaded/test.md
similarity index 64%
rename from articles/uploaded/test.mdx
rename to articles/uploaded/test.md
index 2cef00e..ca154db 100644
--- a/articles/uploaded/test.mdx
+++ b/articles/uploaded/test.md
@@ -1,7 +1,7 @@
 ---
 tags:
-- アニメ
-- ゲーム
+  - アニメ
+  - ゲーム
 ---
 
 Blogを表示できたら成功｡
@@ -14,28 +14,24 @@ Blogを表示できたら成功｡
 
 この文が挿入されていたら成功
 
-*ReadItLater* *Youtube*
-
-# [笹川真生 - 日本の九月の気層です / Mao Sasagawa - Japan's September Air Layer](https://www.youtube.com/watch?v=4-3Ogspng1I&list=RDRcDBofJ-_oA&index=12)
+[笹川真生 - 日本の九月の気層です / Mao Sasagawa - Japan's September Air Layer](https://www.youtube.com/watch?v=4-3Ogspng1I&list=RDRcDBofJ-_oA&index=12)
 
 <iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/4-3Ogspng1I" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
 
 Markdownの構文一覧
 
- > 
+ >
  > 引用
- > 
- >  > 
- >  > 引用のネスト
- >  > あふぁds
+ >
+ >  >
+ > > 引用のネスト
+ > > あふぁds
 
 image
 ![test](Test20240406233811738.jpg)
 
 **bold**
 
-*itaric*
-
 `code`
 
 ~~cancel~~
@@ -53,24 +49,27 @@ image
 * aaa
 
 1. number
-1. test
+2. test
    1. i
-   1. ii
-   1. iii
-   1. iv
-   1. v
+   2. ii
+   3. iii
+   4. iv
+   5. v
+
+* [ ] tests
+* [x] aaa
 
 codeblock
 
-````typescript
-const [number,setNumber] =useState(0)
+```typescript filename="test.tsx"
+const [number,setNumber] = useState(0)
 
 export default funciton home ():ReactElement {
-	return(
-		<h1> home page </h1>
-		{number}
-	)
+ return(
+  <h1> home page </h1>
+  {number}
+ )
 }
-````
+```
 
 LinkCard
diff --git a/package.json b/package.json
index e8febf0..812cc03 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,6 @@
     "@mdx-js/react": "^3.0.1",
     "@mdx-js/rollup": "^3.0.1",
     "@nanostores/react": "^0.7.2",
-    "github-markdown-css": "^5.5.1",
     "nanostores": "^0.10.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/src/pages/blogs/+Page.tsx b/src/pages/blogs/+Page.tsx
index cfc5fa0..b222cea 100644
--- a/src/pages/blogs/+Page.tsx
+++ b/src/pages/blogs/+Page.tsx
@@ -1,5 +1,7 @@
 import { type ReactElement } from "react";
-import Test from "../../../articles/uploaded/test.mdx"
+import { styled as p } from "@panda/jsx";
+import "./Layout.css"
+import Test from "../../../articles/uploaded/test.md";
 
 /** @type {import('mdx/types.js').MDXComponents} */
 const components = {
@@ -9,11 +11,18 @@ const components = {
 };
 export default function Blogs(): ReactElement {
   return (
-    <div>
+    <p.div
+      alignItems="center"
+      display="flex"
+      flexDirection="column"
+      justifyContent="center"
+    >
       <h1>Blogs</h1>
-      <div className="markdown-body">
-        <Test components={components} />
-      </div>
-    </div>
+      <p.div w="full">
+        <div className="markdown-body">
+          <Test components={components} />
+        </div>
+      </p.div>
+    </p.div>
   );
 }
diff --git a/src/pages/blogs/Layout.css b/src/pages/blogs/Layout.css
index e69de29..745bb9d 100644
--- a/src/pages/blogs/Layout.css
+++ b/src/pages/blogs/Layout.css
@@ -0,0 +1,1229 @@
+@media (max-width: 767px) {
+  .markdown-body {
+    padding: 15px;
+  }
+}
+
+@media (prefers-color-scheme: dark) {
+  .markdown-body,
+  [data-theme="dark"] {
+    /*dark*/
+    color-scheme: dark;
+    --color-prettylights-syntax-comment: #8b949e;
+    --color-prettylights-syntax-constant: #79c0ff;
+    --color-prettylights-syntax-entity: #d2a8ff;
+    --color-prettylights-syntax-storage-modifier-import: #c9d1d9;
+    --color-prettylights-syntax-entity-tag: #7ee787;
+    --color-prettylights-syntax-keyword: #ff7b72;
+    --color-prettylights-syntax-string: #a5d6ff;
+    --color-prettylights-syntax-variable: #ffa657;
+    --color-prettylights-syntax-brackethighlighter-unmatched: #f85149;
+    --color-prettylights-syntax-invalid-illegal-text: #f0f6fc;
+    --color-prettylights-syntax-invalid-illegal-bg: #8e1519;
+    --color-prettylights-syntax-carriage-return-text: #f0f6fc;
+    --color-prettylights-syntax-carriage-return-bg: #b62324;
+    --color-prettylights-syntax-string-regexp: #7ee787;
+    --color-prettylights-syntax-markup-list: #f2cc60;
+    --color-prettylights-syntax-markup-heading: #1f6feb;
+    --color-prettylights-syntax-markup-italic: #c9d1d9;
+    --color-prettylights-syntax-markup-bold: #c9d1d9;
+    --color-prettylights-syntax-markup-deleted-text: #ffdcd7;
+    --color-prettylights-syntax-markup-deleted-bg: #67060c;
+    --color-prettylights-syntax-markup-inserted-text: #aff5b4;
+    --color-prettylights-syntax-markup-inserted-bg: #033a16;
+    --color-prettylights-syntax-markup-changed-text: #ffdfb6;
+    --color-prettylights-syntax-markup-changed-bg: #5a1e02;
+    --color-prettylights-syntax-markup-ignored-text: #c9d1d9;
+    --color-prettylights-syntax-markup-ignored-bg: #1158c7;
+    --color-prettylights-syntax-meta-diff-range: #d2a8ff;
+    --color-prettylights-syntax-brackethighlighter-angle: #8b949e;
+    --color-prettylights-syntax-sublimelinter-gutter-mark: #484f58;
+    --color-prettylights-syntax-constant-other-reference-link: #a5d6ff;
+    --color-fg-default: #e6edf3;
+    --color-fg-muted: #848d97;
+    --color-fg-subtle: #6e7681;
+    --color-canvas-default: #0d1117;
+    --color-canvas-subtle: #161b22;
+    --color-border-default: #30363d;
+    --color-border-muted: #21262d;
+    --color-neutral-muted: rgba(110, 118, 129, 0.4);
+    --color-accent-fg: #2f81f7;
+    --color-accent-emphasis: #1f6feb;
+    --color-success-fg: #3fb950;
+    --color-success-emphasis: #238636;
+    --color-attention-fg: #d29922;
+    --color-attention-emphasis: #9e6a03;
+    --color-attention-subtle: rgba(187, 128, 9, 0.15);
+    --color-danger-fg: #f85149;
+    --color-danger-emphasis: #da3633;
+    --color-done-fg: #a371f7;
+    --color-done-emphasis: #8957e5;
+  }
+}
+
+@media (prefers-color-scheme: light) {
+  .markdown-body,
+  [data-theme="light"] {
+    /*light*/
+    color-scheme: light;
+    --color-prettylights-syntax-comment: #57606a;
+    --color-prettylights-syntax-constant: #0550ae;
+    --color-prettylights-syntax-entity: #6639ba;
+    --color-prettylights-syntax-storage-modifier-import: #24292f;
+    --color-prettylights-syntax-entity-tag: #116329;
+    --color-prettylights-syntax-keyword: #cf222e;
+    --color-prettylights-syntax-string: #0a3069;
+    --color-prettylights-syntax-variable: #953800;
+    --color-prettylights-syntax-brackethighlighter-unmatched: #82071e;
+    --color-prettylights-syntax-invalid-illegal-text: #f6f8fa;
+    --color-prettylights-syntax-invalid-illegal-bg: #82071e;
+    --color-prettylights-syntax-carriage-return-text: #f6f8fa;
+    --color-prettylights-syntax-carriage-return-bg: #cf222e;
+    --color-prettylights-syntax-string-regexp: #116329;
+    --color-prettylights-syntax-markup-list: #3b2300;
+    --color-prettylights-syntax-markup-heading: #0550ae;
+    --color-prettylights-syntax-markup-italic: #24292f;
+    --color-prettylights-syntax-markup-bold: #24292f;
+    --color-prettylights-syntax-markup-deleted-text: #82071e;
+    --color-prettylights-syntax-markup-deleted-bg: #ffebe9;
+    --color-prettylights-syntax-markup-inserted-text: #116329;
+    --color-prettylights-syntax-markup-inserted-bg: #dafbe1;
+    --color-prettylights-syntax-markup-changed-text: #953800;
+    --color-prettylights-syntax-markup-changed-bg: #ffd8b5;
+    --color-prettylights-syntax-markup-ignored-text: #eaeef2;
+    --color-prettylights-syntax-markup-ignored-bg: #0550ae;
+    --color-prettylights-syntax-meta-diff-range: #8250df;
+    --color-prettylights-syntax-brackethighlighter-angle: #57606a;
+    --color-prettylights-syntax-sublimelinter-gutter-mark: #8c959f;
+    --color-prettylights-syntax-constant-other-reference-link: #0a3069;
+    --color-fg-default: #1f2328;
+    --color-fg-muted: #656d76;
+    --color-fg-subtle: #6e7781;
+    --color-canvas-default: #ffffff;
+    --color-canvas-subtle: #f6f8fa;
+    --color-border-default: #d0d7de;
+    --color-border-muted: hsla(210, 18%, 87%, 1);
+    --color-neutral-muted: rgba(175, 184, 193, 0.2);
+    --color-accent-fg: #0969da;
+    --color-accent-emphasis: #0969da;
+    --color-success-fg: #1a7f37;
+    --color-success-emphasis: #1f883d;
+    --color-attention-fg: #9a6700;
+    --color-attention-emphasis: #9a6700;
+    --color-attention-subtle: #fff8c5;
+    --color-danger-fg: #d1242f;
+    --color-danger-emphasis: #cf222e;
+    --color-done-fg: #8250df;
+    --color-done-emphasis: #8250df;
+  }
+}
+
+.markdown-body {
+  -ms-text-size-adjust: 100%;
+  -webkit-text-size-adjust: 100%;
+  margin: 0;
+  color: var(--color-fg-default);
+  background-color: var(--color-canvas-default);
+  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans JP", Helvetica,
+    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
+  font-size: 16px;
+  line-height: 1.5;
+  word-wrap: break-word;
+  box-sizing: border-box;
+  max-width: 980px;
+  margin: 0 auto;
+  padding: 45px;
+}
+
+.markdown-body .octicon {
+  display: inline-block;
+  fill: currentColor;
+  vertical-align: text-bottom;
+}
+
+.markdown-body h1:hover .anchor .octicon-link:before,
+.markdown-body h2:hover .anchor .octicon-link:before,
+.markdown-body h3:hover .anchor .octicon-link:before,
+.markdown-body h4:hover .anchor .octicon-link:before,
+.markdown-body h5:hover .anchor .octicon-link:before,
+.markdown-body h6:hover .anchor .octicon-link:before {
+  width: 16px;
+  height: 16px;
+  content: " ";
+  display: inline-block;
+  background-color: currentColor;
+  -webkit-mask-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' version='1.1' aria-hidden='true'><path fill-rule='evenodd' d='M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'></path></svg>");
+  mask-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' version='1.1' aria-hidden='true'><path fill-rule='evenodd' d='M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'></path></svg>");
+}
+
+.markdown-body details,
+.markdown-body figcaption,
+.markdown-body figure {
+  display: block;
+}
+
+.markdown-body summary {
+  display: list-item;
+}
+
+.markdown-body [hidden] {
+  display: none !important;
+}
+
+.markdown-body a {
+  background-color: transparent;
+  color: var(--color-accent-fg);
+  text-decoration: none;
+}
+
+.markdown-body abbr[title] {
+  border-bottom: none;
+  -webkit-text-decoration: underline dotted;
+  text-decoration: underline dotted;
+}
+
+.markdown-body b,
+.markdown-body strong {
+  font-weight: var(--base-text-weight-semibold, 600);
+}
+
+.markdown-body dfn {
+  font-style: italic;
+}
+
+.markdown-body h1 {
+  margin: 0.67em 0;
+  font-weight: var(--base-text-weight-semibold, 600);
+  padding-bottom: 0.3em;
+  font-size: 2em;
+  border-bottom: 1px solid var(--color-border-muted);
+}
+
+.markdown-body mark {
+  background-color: var(--color-attention-subtle);
+  color: var(--color-fg-default);
+}
+
+.markdown-body small {
+  font-size: 90%;
+}
+
+.markdown-body sub,
+.markdown-body sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+.markdown-body sub {
+  bottom: -0.25em;
+}
+
+.markdown-body sup {
+  top: -0.5em;
+}
+
+.markdown-body img {
+  border-style: none;
+  max-width: 100%;
+  box-sizing: content-box;
+  background-color: var(--color-canvas-default);
+}
+
+.markdown-body code,
+.markdown-body kbd,
+.markdown-body pre,
+.markdown-body samp {
+  font-family: monospace;
+  font-size: 1em;
+}
+
+.markdown-body figure {
+  margin: 1em 40px;
+}
+
+.markdown-body hr {
+  box-sizing: content-box;
+  overflow: hidden;
+  background: transparent;
+  border-bottom: 1px solid var(--color-border-muted);
+  height: 0.25em;
+  padding: 0;
+  margin: 24px 0;
+  background-color: var(--color-border-default);
+  border: 0;
+}
+
+.markdown-body input {
+  font: inherit;
+  margin: 0;
+  overflow: visible;
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+}
+
+.markdown-body [type="button"],
+.markdown-body [type="reset"],
+.markdown-body [type="submit"] {
+  -webkit-appearance: button;
+  appearance: button;
+}
+
+.markdown-body [type="checkbox"],
+.markdown-body [type="radio"] {
+  box-sizing: border-box;
+  padding: 0;
+}
+
+.markdown-body [type="number"]::-webkit-inner-spin-button,
+.markdown-body [type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+.markdown-body [type="search"]::-webkit-search-cancel-button,
+.markdown-body [type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+  appearance: none;
+}
+
+.markdown-body ::-webkit-input-placeholder {
+  color: inherit;
+  opacity: 0.54;
+}
+
+.markdown-body ::-webkit-file-upload-button {
+  -webkit-appearance: button;
+  appearance: button;
+  font: inherit;
+}
+
+.markdown-body a:hover {
+  text-decoration: underline;
+}
+
+.markdown-body ::placeholder {
+  color: var(--color-fg-subtle);
+  opacity: 1;
+}
+
+.markdown-body hr::before {
+  display: table;
+  content: "";
+}
+
+.markdown-body hr::after {
+  display: table;
+  clear: both;
+  content: "";
+}
+
+.markdown-body table {
+  border-spacing: 0;
+  border-collapse: collapse;
+  display: block;
+  width: max-content;
+  max-width: 100%;
+  overflow: auto;
+}
+
+.markdown-body td,
+.markdown-body th {
+  padding: 0;
+}
+
+.markdown-body details summary {
+  cursor: pointer;
+}
+
+.markdown-body details:not([open]) > *:not(summary) {
+  display: none !important;
+}
+
+.markdown-body a:focus,
+.markdown-body [role="button"]:focus,
+.markdown-body input[type="radio"]:focus,
+.markdown-body input[type="checkbox"]:focus {
+  outline: 2px solid var(--color-accent-fg);
+  outline-offset: -2px;
+  box-shadow: none;
+}
+
+.markdown-body a:focus:not(:focus-visible),
+.markdown-body [role="button"]:focus:not(:focus-visible),
+.markdown-body input[type="radio"]:focus:not(:focus-visible),
+.markdown-body input[type="checkbox"]:focus:not(:focus-visible) {
+  outline: solid 1px transparent;
+}
+
+.markdown-body a:focus-visible,
+.markdown-body [role="button"]:focus-visible,
+.markdown-body input[type="radio"]:focus-visible,
+.markdown-body input[type="checkbox"]:focus-visible {
+  outline: 2px solid var(--color-accent-fg);
+  outline-offset: -2px;
+  box-shadow: none;
+}
+
+.markdown-body a:not([class]):focus,
+.markdown-body a:not([class]):focus-visible,
+.markdown-body input[type="radio"]:focus,
+.markdown-body input[type="radio"]:focus-visible,
+.markdown-body input[type="checkbox"]:focus,
+.markdown-body input[type="checkbox"]:focus-visible {
+  outline-offset: 0;
+}
+
+.markdown-body kbd {
+  display: inline-block;
+  padding: 3px 5px;
+  font:
+    11px ui-monospace,
+    SFMono-Regular,
+    SF Mono,
+    Menlo,
+    Consolas,
+    Liberation Mono,
+    monospace;
+  line-height: 10px;
+  color: var(--color-fg-default);
+  vertical-align: middle;
+  background-color: var(--color-canvas-subtle);
+  border: solid 1px var(--color-neutral-muted);
+  border-bottom-color: var(--color-neutral-muted);
+  border-radius: 6px;
+  box-shadow: inset 0 -1px 0 var(--color-neutral-muted);
+}
+
+.markdown-body h1,
+.markdown-body h2,
+.markdown-body h3,
+.markdown-body h4,
+.markdown-body h5,
+.markdown-body h6 {
+  margin-top: 24px;
+  margin-bottom: 16px;
+  font-weight: var(--base-text-weight-semibold, 600);
+  line-height: 1.25;
+}
+
+.markdown-body h2 {
+  font-weight: var(--base-text-weight-semibold, 600);
+  padding-bottom: 0.3em;
+  font-size: 1.5em;
+  border-bottom: 1px solid var(--color-border-muted);
+}
+
+.markdown-body h3 {
+  font-weight: var(--base-text-weight-semibold, 600);
+  font-size: 1.25em;
+}
+
+.markdown-body h4 {
+  font-weight: var(--base-text-weight-semibold, 600);
+  font-size: 1em;
+}
+
+.markdown-body h5 {
+  font-weight: var(--base-text-weight-semibold, 600);
+  font-size: 0.875em;
+}
+
+.markdown-body h6 {
+  font-weight: var(--base-text-weight-semibold, 600);
+  font-size: 0.85em;
+  color: var(--color-fg-muted);
+}
+
+.markdown-body p {
+  margin-top: 0;
+  margin-bottom: 10px;
+}
+
+.markdown-body blockquote {
+  margin: 0;
+  padding: 0 1em;
+  color: var(--color-fg-muted);
+  border-left: 0.25em solid var(--color-border-default);
+}
+
+.markdown-body ul,
+.markdown-body ol {
+  margin-top: 0;
+  margin-bottom: 0;
+  padding-left: 2em;
+}
+
+.markdown-body ol ol,
+.markdown-body ul ol {
+  list-style-type: lower-roman;
+}
+
+.markdown-body ul ul ol,
+.markdown-body ul ol ol,
+.markdown-body ol ul ol,
+.markdown-body ol ol ol {
+  list-style-type: lower-alpha;
+}
+
+.markdown-body dd {
+  margin-left: 0;
+}
+
+.markdown-body tt,
+.markdown-body code,
+.markdown-body samp {
+  font-family:
+    ui-monospace,
+    SFMono-Regular,
+    SF Mono,
+    Menlo,
+    Consolas,
+    Liberation Mono,
+    monospace;
+  font-size: 12px;
+}
+
+.markdown-body pre {
+  margin-top: 0;
+  margin-bottom: 0;
+  font-family:
+    ui-monospace,
+    SFMono-Regular,
+    SF Mono,
+    Menlo,
+    Consolas,
+    Liberation Mono,
+    monospace;
+  font-size: 12px;
+  word-wrap: normal;
+}
+
+.markdown-body .octicon {
+  display: inline-block;
+  overflow: visible !important;
+  vertical-align: text-bottom;
+  fill: currentColor;
+}
+
+.markdown-body input::-webkit-outer-spin-button,
+.markdown-body input::-webkit-inner-spin-button {
+  margin: 0;
+  -webkit-appearance: none;
+  appearance: none;
+}
+
+.markdown-body .mr-2 {
+  margin-right: var(--base-size-8, 8px) !important;
+}
+
+.markdown-body::before {
+  display: table;
+  content: "";
+}
+
+.markdown-body::after {
+  display: table;
+  clear: both;
+  content: "";
+}
+
+.markdown-body > *:first-child {
+  margin-top: 0 !important;
+}
+
+.markdown-body > *:last-child {
+  margin-bottom: 0 !important;
+}
+
+.markdown-body a:not([href]) {
+  color: inherit;
+  text-decoration: none;
+}
+
+.markdown-body .absent {
+  color: var(--color-danger-fg);
+}
+
+.markdown-body .anchor {
+  float: left;
+  padding-right: 4px;
+  margin-left: -20px;
+  line-height: 1;
+}
+
+.markdown-body .anchor:focus {
+  outline: none;
+}
+
+.markdown-body p,
+.markdown-body blockquote,
+.markdown-body ul,
+.markdown-body ol,
+.markdown-body dl,
+.markdown-body table,
+.markdown-body pre,
+.markdown-body details {
+  margin-top: 0;
+  margin-bottom: 16px;
+}
+
+.markdown-body blockquote > :first-child {
+  margin-top: 0;
+}
+
+.markdown-body blockquote > :last-child {
+  margin-bottom: 0;
+}
+
+.markdown-body h1 .octicon-link,
+.markdown-body h2 .octicon-link,
+.markdown-body h3 .octicon-link,
+.markdown-body h4 .octicon-link,
+.markdown-body h5 .octicon-link,
+.markdown-body h6 .octicon-link {
+  color: var(--color-fg-default);
+  vertical-align: middle;
+  visibility: hidden;
+}
+
+.markdown-body h1:hover .anchor,
+.markdown-body h2:hover .anchor,
+.markdown-body h3:hover .anchor,
+.markdown-body h4:hover .anchor,
+.markdown-body h5:hover .anchor,
+.markdown-body h6:hover .anchor {
+  text-decoration: none;
+}
+
+.markdown-body h1:hover .anchor .octicon-link,
+.markdown-body h2:hover .anchor .octicon-link,
+.markdown-body h3:hover .anchor .octicon-link,
+.markdown-body h4:hover .anchor .octicon-link,
+.markdown-body h5:hover .anchor .octicon-link,
+.markdown-body h6:hover .anchor .octicon-link {
+  visibility: visible;
+}
+
+.markdown-body h1 tt,
+.markdown-body h1 code,
+.markdown-body h2 tt,
+.markdown-body h2 code,
+.markdown-body h3 tt,
+.markdown-body h3 code,
+.markdown-body h4 tt,
+.markdown-body h4 code,
+.markdown-body h5 tt,
+.markdown-body h5 code,
+.markdown-body h6 tt,
+.markdown-body h6 code {
+  padding: 0 0.2em;
+  font-size: inherit;
+}
+
+.markdown-body summary h1,
+.markdown-body summary h2,
+.markdown-body summary h3,
+.markdown-body summary h4,
+.markdown-body summary h5,
+.markdown-body summary h6 {
+  display: inline-block;
+}
+
+.markdown-body summary h1 .anchor,
+.markdown-body summary h2 .anchor,
+.markdown-body summary h3 .anchor,
+.markdown-body summary h4 .anchor,
+.markdown-body summary h5 .anchor,
+.markdown-body summary h6 .anchor {
+  margin-left: -40px;
+}
+
+.markdown-body summary h1,
+.markdown-body summary h2 {
+  padding-bottom: 0;
+  border-bottom: 0;
+}
+
+.markdown-body ul.no-list,
+.markdown-body ol.no-list {
+  padding: 0;
+  list-style-type: none;
+}
+
+.markdown-body ol[type="a s"] {
+  list-style-type: lower-alpha;
+}
+
+.markdown-body ol[type="A s"] {
+  list-style-type: upper-alpha;
+}
+
+.markdown-body ol[type="i s"] {
+  list-style-type: lower-roman;
+}
+
+.markdown-body ol[type="I s"] {
+  list-style-type: upper-roman;
+}
+
+.markdown-body ol[type="1"] {
+  list-style-type: decimal;
+}
+
+.markdown-body div > ol:not([type]) {
+  list-style-type: decimal;
+}
+
+.markdown-body ul ul,
+.markdown-body ul ol,
+.markdown-body ol ol,
+.markdown-body ol ul {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.markdown-body li > p {
+  margin-top: 16px;
+}
+
+.markdown-body li + li {
+  margin-top: 0.25em;
+}
+
+.markdown-body dl {
+  padding: 0;
+}
+
+.markdown-body dl dt {
+  padding: 0;
+  margin-top: 16px;
+  font-size: 1em;
+  font-style: italic;
+  font-weight: var(--base-text-weight-semibold, 600);
+}
+
+.markdown-body dl dd {
+  padding: 0 16px;
+  margin-bottom: 16px;
+}
+
+.markdown-body table th {
+  font-weight: var(--base-text-weight-semibold, 600);
+}
+
+.markdown-body table th,
+.markdown-body table td {
+  padding: 6px 13px;
+  border: 1px solid var(--color-border-default);
+}
+
+.markdown-body table td > :last-child {
+  margin-bottom: 0;
+}
+
+.markdown-body table tr {
+  background-color: var(--color-canvas-default);
+  border-top: 1px solid var(--color-border-muted);
+}
+
+.markdown-body table tr:nth-child(2n) {
+  background-color: var(--color-canvas-subtle);
+}
+
+.markdown-body table img {
+  background-color: transparent;
+}
+
+.markdown-body img[align="right"] {
+  padding-left: 20px;
+}
+
+.markdown-body img[align="left"] {
+  padding-right: 20px;
+}
+
+.markdown-body .emoji {
+  max-width: none;
+  vertical-align: text-top;
+  background-color: transparent;
+}
+
+.markdown-body span.frame {
+  display: block;
+  overflow: hidden;
+}
+
+.markdown-body span.frame > span {
+  display: block;
+  float: left;
+  width: auto;
+  padding: 7px;
+  margin: 13px 0 0;
+  overflow: hidden;
+  border: 1px solid var(--color-border-default);
+}
+
+.markdown-body span.frame span img {
+  display: block;
+  float: left;
+}
+
+.markdown-body span.frame span span {
+  display: block;
+  padding: 5px 0 0;
+  clear: both;
+  color: var(--color-fg-default);
+}
+
+.markdown-body span.align-center {
+  display: block;
+  overflow: hidden;
+  clear: both;
+}
+
+.markdown-body span.align-center > span {
+  display: block;
+  margin: 13px auto 0;
+  overflow: hidden;
+  text-align: center;
+}
+
+.markdown-body span.align-center span img {
+  margin: 0 auto;
+  text-align: center;
+}
+
+.markdown-body span.align-right {
+  display: block;
+  overflow: hidden;
+  clear: both;
+}
+
+.markdown-body span.align-right > span {
+  display: block;
+  margin: 13px 0 0;
+  overflow: hidden;
+  text-align: right;
+}
+
+.markdown-body span.align-right span img {
+  margin: 0;
+  text-align: right;
+}
+
+.markdown-body span.float-left {
+  display: block;
+  float: left;
+  margin-right: 13px;
+  overflow: hidden;
+}
+
+.markdown-body span.float-left span {
+  margin: 13px 0 0;
+}
+
+.markdown-body span.float-right {
+  display: block;
+  float: right;
+  margin-left: 13px;
+  overflow: hidden;
+}
+
+.markdown-body span.float-right > span {
+  display: block;
+  margin: 13px auto 0;
+  overflow: hidden;
+  text-align: right;
+}
+
+.markdown-body code,
+.markdown-body tt {
+  padding: 0.2em 0.4em;
+  margin: 0;
+  font-size: 85%;
+  white-space: break-spaces;
+  background-color: var(--color-neutral-muted);
+  border-radius: 6px;
+}
+
+.markdown-body code br,
+.markdown-body tt br {
+  display: none;
+}
+
+.markdown-body del code {
+  text-decoration: inherit;
+}
+
+.markdown-body samp {
+  font-size: 85%;
+}
+
+.markdown-body pre code {
+  font-size: 100%;
+}
+
+.markdown-body pre > code {
+  padding: 0;
+  margin: 0;
+  word-break: normal;
+  white-space: pre;
+  background: transparent;
+  border: 0;
+}
+
+.markdown-body .highlight {
+  margin-bottom: 16px;
+}
+
+.markdown-body .highlight pre {
+  margin-bottom: 0;
+  word-break: normal;
+}
+
+.markdown-body .highlight pre,
+.markdown-body pre {
+  padding: 16px;
+  overflow: auto;
+  font-size: 85%;
+  line-height: 1.45;
+  color: var(--color-fg-default);
+  background-color: var(--color-canvas-subtle);
+  border-radius: 6px;
+}
+
+.markdown-body pre code,
+.markdown-body pre tt {
+  display: inline;
+  max-width: auto;
+  padding: 0;
+  margin: 0;
+  overflow: visible;
+  line-height: inherit;
+  word-wrap: normal;
+  background-color: transparent;
+  border: 0;
+}
+
+.markdown-body .csv-data td,
+.markdown-body .csv-data th {
+  padding: 5px;
+  overflow: hidden;
+  font-size: 12px;
+  line-height: 1;
+  text-align: left;
+  white-space: nowrap;
+}
+
+.markdown-body .csv-data .blob-num {
+  padding: 10px 8px 9px;
+  text-align: right;
+  background: var(--color-canvas-default);
+  border: 0;
+}
+
+.markdown-body .csv-data tr {
+  border-top: 0;
+}
+
+.markdown-body .csv-data th {
+  font-weight: var(--base-text-weight-semibold, 600);
+  background: var(--color-canvas-subtle);
+  border-top: 0;
+}
+
+.markdown-body [data-footnote-ref]::before {
+  content: "[";
+}
+
+.markdown-body [data-footnote-ref]::after {
+  content: "]";
+}
+
+.markdown-body .footnotes {
+  font-size: 12px;
+  color: var(--color-fg-muted);
+  border-top: 1px solid var(--color-border-default);
+}
+
+.markdown-body .footnotes ol {
+  padding-left: 16px;
+}
+
+.markdown-body .footnotes ol ul {
+  display: inline-block;
+  padding-left: 16px;
+  margin-top: 16px;
+}
+
+.markdown-body .footnotes li {
+  position: relative;
+}
+
+.markdown-body .footnotes li:target::before {
+  position: absolute;
+  top: -8px;
+  right: -8px;
+  bottom: -8px;
+  left: -24px;
+  pointer-events: none;
+  content: "";
+  border: 2px solid var(--color-accent-emphasis);
+  border-radius: 6px;
+}
+
+.markdown-body .footnotes li:target {
+  color: var(--color-fg-default);
+}
+
+.markdown-body .footnotes .data-footnote-backref g-emoji {
+  font-family: monospace;
+}
+
+.markdown-body .pl-c {
+  color: var(--color-prettylights-syntax-comment);
+}
+
+.markdown-body .pl-c1,
+.markdown-body .pl-s .pl-v {
+  color: var(--color-prettylights-syntax-constant);
+}
+
+.markdown-body .pl-e,
+.markdown-body .pl-en {
+  color: var(--color-prettylights-syntax-entity);
+}
+
+.markdown-body .pl-smi,
+.markdown-body .pl-s .pl-s1 {
+  color: var(--color-prettylights-syntax-storage-modifier-import);
+}
+
+.markdown-body .pl-ent {
+  color: var(--color-prettylights-syntax-entity-tag);
+}
+
+.markdown-body .pl-k {
+  color: var(--color-prettylights-syntax-keyword);
+}
+
+.markdown-body .pl-s,
+.markdown-body .pl-pds,
+.markdown-body .pl-s .pl-pse .pl-s1,
+.markdown-body .pl-sr,
+.markdown-body .pl-sr .pl-cce,
+.markdown-body .pl-sr .pl-sre,
+.markdown-body .pl-sr .pl-sra {
+  color: var(--color-prettylights-syntax-string);
+}
+
+.markdown-body .pl-v,
+.markdown-body .pl-smw {
+  color: var(--color-prettylights-syntax-variable);
+}
+
+.markdown-body .pl-bu {
+  color: var(--color-prettylights-syntax-brackethighlighter-unmatched);
+}
+
+.markdown-body .pl-ii {
+  color: var(--color-prettylights-syntax-invalid-illegal-text);
+  background-color: var(--color-prettylights-syntax-invalid-illegal-bg);
+}
+
+.markdown-body .pl-c2 {
+  color: var(--color-prettylights-syntax-carriage-return-text);
+  background-color: var(--color-prettylights-syntax-carriage-return-bg);
+}
+
+.markdown-body .pl-sr .pl-cce {
+  font-weight: bold;
+  color: var(--color-prettylights-syntax-string-regexp);
+}
+
+.markdown-body .pl-ml {
+  color: var(--color-prettylights-syntax-markup-list);
+}
+
+.markdown-body .pl-mh,
+.markdown-body .pl-mh .pl-en,
+.markdown-body .pl-ms {
+  font-weight: bold;
+  color: var(--color-prettylights-syntax-markup-heading);
+}
+
+.markdown-body .pl-mi {
+  font-style: italic;
+  color: var(--color-prettylights-syntax-markup-italic);
+}
+
+.markdown-body .pl-mb {
+  font-weight: bold;
+  color: var(--color-prettylights-syntax-markup-bold);
+}
+
+.markdown-body .pl-md {
+  color: var(--color-prettylights-syntax-markup-deleted-text);
+  background-color: var(--color-prettylights-syntax-markup-deleted-bg);
+}
+
+.markdown-body .pl-mi1 {
+  color: var(--color-prettylights-syntax-markup-inserted-text);
+  background-color: var(--color-prettylights-syntax-markup-inserted-bg);
+}
+
+.markdown-body .pl-mc {
+  color: var(--color-prettylights-syntax-markup-changed-text);
+  background-color: var(--color-prettylights-syntax-markup-changed-bg);
+}
+
+.markdown-body .pl-mi2 {
+  color: var(--color-prettylights-syntax-markup-ignored-text);
+  background-color: var(--color-prettylights-syntax-markup-ignored-bg);
+}
+
+.markdown-body .pl-mdr {
+  font-weight: bold;
+  color: var(--color-prettylights-syntax-meta-diff-range);
+}
+
+.markdown-body .pl-ba {
+  color: var(--color-prettylights-syntax-brackethighlighter-angle);
+}
+
+.markdown-body .pl-sg {
+  color: var(--color-prettylights-syntax-sublimelinter-gutter-mark);
+}
+
+.markdown-body .pl-corl {
+  text-decoration: underline;
+  color: var(--color-prettylights-syntax-constant-other-reference-link);
+}
+
+.markdown-body g-emoji {
+  display: inline-block;
+  min-width: 1ch;
+  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+  font-size: 1em;
+  font-style: normal !important;
+  font-weight: var(--base-text-weight-normal, 400);
+  line-height: 1;
+  vertical-align: -0.075em;
+}
+
+.markdown-body g-emoji img {
+  width: 1em;
+  height: 1em;
+}
+
+.markdown-body .task-list-item {
+  list-style-type: none;
+}
+
+.markdown-body .task-list-item label {
+  font-weight: var(--base-text-weight-normal, 400);
+}
+
+.markdown-body .task-list-item.enabled label {
+  cursor: pointer;
+}
+
+.markdown-body .task-list-item + .task-list-item {
+  margin-top: 4px;
+}
+
+.markdown-body .task-list-item .handle {
+  display: none;
+}
+
+.markdown-body .task-list-item-checkbox {
+  margin: 0 0.2em 0.25em -1.4em;
+  vertical-align: middle;
+}
+
+.markdown-body .contains-task-list:dir(rtl) .task-list-item-checkbox {
+  margin: 0 -1.6em 0.25em 0.2em;
+}
+
+.markdown-body .contains-task-list {
+  position: relative;
+}
+
+.markdown-body .contains-task-list:hover .task-list-item-convert-container,
+.markdown-body
+  .contains-task-list:focus-within
+  .task-list-item-convert-container {
+  display: block;
+  width: auto;
+  height: 24px;
+  overflow: visible;
+  clip: auto;
+}
+
+.markdown-body ::-webkit-calendar-picker-indicator {
+  filter: invert(50%);
+}
+
+.markdown-body .markdown-alert {
+  padding: var(--base-size-8) var(--base-size-16);
+  margin-bottom: 16px;
+  color: inherit;
+  border-left: 0.25em solid var(--color-border-default);
+}
+
+.markdown-body .markdown-alert > :first-child {
+  margin-top: 0;
+}
+
+.markdown-body .markdown-alert > :last-child {
+  margin-bottom: 0;
+}
+
+.markdown-body .markdown-alert .markdown-alert-title {
+  display: flex;
+  font-weight: var(--base-text-weight-medium, 500);
+  align-items: center;
+  line-height: 1;
+}
+
+.markdown-body .markdown-alert.markdown-alert-note {
+  border-left-color: var(--color-accent-emphasis);
+}
+
+.markdown-body .markdown-alert.markdown-alert-note .markdown-alert-title {
+  color: var(--color-accent-fg);
+}
+
+.markdown-body .markdown-alert.markdown-alert-important {
+  border-left-color: var(--color-done-emphasis);
+}
+
+.markdown-body .markdown-alert.markdown-alert-important .markdown-alert-title {
+  color: var(--color-done-fg);
+}
+
+.markdown-body .markdown-alert.markdown-alert-warning {
+  border-left-color: var(--color-attention-emphasis);
+}
+
+.markdown-body .markdown-alert.markdown-alert-warning .markdown-alert-title {
+  color: var(--color-attention-fg);
+}
+
+.markdown-body .markdown-alert.markdown-alert-tip {
+  border-left-color: var(--color-success-emphasis);
+}
+
+.markdown-body .markdown-alert.markdown-alert-tip .markdown-alert-title {
+  color: var(--color-success-fg);
+}
+
+.markdown-body .markdown-alert.markdown-alert-caution {
+  border-left-color: var(--color-danger-emphasis);
+}
+
+.markdown-body .markdown-alert.markdown-alert-caution .markdown-alert-title {
+  color: var(--color-danger-fg);
+}
diff --git a/src/renderer/PageLayout.tsx b/src/renderer/PageLayout.tsx
index 78fa4eb..057c85c 100644
--- a/src/renderer/PageLayout.tsx
+++ b/src/renderer/PageLayout.tsx
@@ -7,7 +7,6 @@ import "@mantine/core/styles.css";
 import "@mantine/charts/styles.css";
 import "@fontsource/noto-serif-jp";
 import "@fontsource/noto-sans-jp";
-import 'github-markdown-css';
 
 const theme = createTheme({
   colors: {
diff --git a/yarn.lock b/yarn.lock
index 838b625..0f716ad 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2584,11 +2584,6 @@ get-tsconfig@^4.7.0:
   dependencies:
     resolve-pkg-maps "^1.0.0"
 
-github-markdown-css@^5.5.1:
-  version "5.5.1"
-  resolved "https://registry.yarnpkg.com/github-markdown-css/-/github-markdown-css-5.5.1.tgz#c2a609ca0b067552c8bfc09e797ace20d614f515"
-  integrity sha512-2osyhNgFt7DEHnGHbgIifWawAqlc68gjJiGwO1xNw/S48jivj8kVaocsVkyJqUi3fm7fdYIDi4C6yOtcqR/aEQ==
-
 glob-parent@6.0.2, glob-parent@^6.0.2:
   version "6.0.2"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-6.0.2.tgz#6d237d99083950c79290f24c7642a3de9a28f9e3"