Break words in the inlineCode component

components/Code.module.css

@@ -0,0 +1,6 @@
+.code {
+  padding: 0 calc(4rem / 16);
+  background: var(--code-background);
+  border-radius: calc(5rem / 16);
+  word-wrap: break-word;
+}

components/Code.tsx

@@ -0,0 +1,9 @@
+import React, { HTMLAttributes } from "react";
+
+import styles from "./Code.module.css";
+
+export function Code(props: HTMLAttributes<HTMLElement>) {
+  const classes = [styles.code, props.className ?? ""];
+
+  return <code {...props} className={classes.join(" ")} />;
+}

components/Pre.module.css

@@ -1,6 +1,6 @@
 .pre {
   padding: calc(10rem / 16);
-  background: var(--input-background);
+  background: var(--code-background);
   overflow-x: auto;
   border-radius: calc(5rem / 16);
 }

pages/_app.tsx

@@ -4,6 +4,7 @@ import { AppProps as DefaultAppProps } from "next/app";
 import React, { ComponentType, ReactNode } from "react";
 
 import { Button } from "@/components/Button";
+import { Code } from "@/components/Code";
 import { DefaultLayout } from "@/components/DefaultLayout";
 import { Footer } from "@/components/Footer";
 import { HorizontalLine } from "@/components/HorizontalLine";
@@ -23,7 +24,13 @@ export default function App({ Component, pageProps }: AppProps): JSX.Element {
   return (
     <ThemeProvider>
       <MDXProvider
-        components={{ a: Link, hr: HorizontalLine, button: Button, pre: Pre }}
+        components={{
+          a: Link,
+          hr: HorizontalLine,
+          button: Button,
+          pre: Pre,
+          inlineCode: Code,
+        }}
       >
         <div className={styles.appContainer}>
           <Navbar />