chore: Edit mail, twitter username.

index.html

@@ -393,8 +393,8 @@
                                         <i class="fas fa-envelope text-lg text-[#05d9e8] mr-3"></i>
                                         <div>
                                             <h4 class="font-bold">Encrypted Mail</h4>
-                                            <a href="mailto:contact@neonportal.dev"
-                                                class="text-sm hover:underline block">contact@neonportal.dev</a>
+                                            <a href="mailto:"
+                                                class="text-sm hover:underline block">daisuke at duck.com</a>
                                         </div>
                                     </div>
                                 </div>
@@ -414,7 +414,7 @@
                                         <i class="fab fa-twitter text-lg text-[#1DA1F2] mr-3"></i>
                                         <div>
                                             <h4 class="font-bold">Twitter</h4>
-                                            <a href="https://twitter.com/neonportal" target="_blank" class="text-sm hover:underline block">@neonportal</a>
+                                            <a href="https://twitter.com/daisuke" target="_blank" class="text-sm hover:underline block">@daisuke</a>
                                         </div>
                                     </div>
                                 </div>