diff --git a/components/NoScript.vue b/components/NoScript.vue
index 48c46eed..a3a0d4ed 100644
--- a/components/NoScript.vue
+++ b/components/NoScript.vue
@@ -11,8 +11,8 @@
         }
       </style>
       <div class="noscript-heading">
-        <img src="/logo.svg" :alt="$t('東京都')" />
-        {{ $t('新型コロナウイルス感染症') }}<br />{{ $t('対策サイト') }}
+        <img src="/logo.gif" :alt="$t('栃木県')" />
+        {{ $t('新型コロナウイルス感染症') }}<br />{{ $t('非公式対策サイト') }}
       </div>
       <div class="noscript-body">
         {{ $t('当サイトではJavaScriptを使用しております。') }}<br />
diff --git a/components/SideNavigation.vue b/components/SideNavigation.vue
index bc0798b9..3c1046c5 100644
--- a/components/SideNavigation.vue
+++ b/components/SideNavigation.vue
@@ -12,8 +12,8 @@
         <nuxt-link :to="localePath('/')" class="SideNavigation-HeaderLink">
           <img
             class="SideNavigation-HeaderLogo"
-            src="/logo.svg"
-            :alt="$t('東京都')"
+            src="/logo.gif"
+            :alt="$t('栃木県')"
           />
           <div class="SideNavigation-HeaderText">
             {{ $t('menu/新型コロナウイルス感染症') }}<br />{{
@@ -51,18 +51,7 @@
       <footer class="SideNavigation-Footer">
         <div class="SideNavigation-Social">
           <a
-            href="https://line.me/R/ti/p/%40822sysfc"
-            target="_blank"
-            rel="noopener noreferrer"
-            class="SideNavigation-SocialLink"
-          >
-            <picture>
-              <source srcset="/line.webp" type="image/webp" />
-              <img src="/line.png" alt="LINE" />
-            </picture>
-          </a>
-          <a
-            href="https://twitter.com/tokyo_bousai"
+            href="https://twitter.com/pref_tochigi"
             target="_blank"
             rel="noopener noreferrer"
             class="SideNavigation-SocialLink"
@@ -73,18 +62,7 @@
             </picture>
           </a>
           <a
-            href="https://www.facebook.com/tochokoho"
-            target="_blank"
-            rel="noopener noreferrer"
-            class="SideNavigation-SocialLink"
-          >
-            <picture>
-              <source srcset="/facebook.webp" type="image/webp" />
-              <img src="/facebook.png" alt="Facebook" />
-            </picture>
-          </a>
-          <a
-            href="https://github.com/tokyo-metropolitan-gov/covid19"
+            href="https://github.com/origamium/covid19"
             target="_blank"
             rel="noopener noreferrer"
             class="SideNavigation-SocialLink"
diff --git a/layouts/default.vue b/layouts/default.vue
index b8a0310c..a910244d 100644
--- a/layouts/default.vue
+++ b/layouts/default.vue
@@ -2,7 +2,7 @@
   <v-app class="app">
     <v-overlay v-if="loading" color="#F8F9FA" opacity="1" z-index="9999">
       <div class="loader">
-        <img src="/logo.svg" alt="東京都" />
+        <img src="/logo.gif" alt="栃木県" />
         <scale-loader color="#00A040" />
       </div>
     </v-overlay>
@@ -34,8 +34,8 @@
 <script lang="ts">
 import Vue from 'vue'
 import { MetaInfo } from 'vue-meta'
-import Data from '@/data/data.json'
 import ScaleLoader from 'vue-spinner/src/ScaleLoader.vue'
+import Data from '@/data/data.json'
 import SideNavigation from '@/components/SideNavigation.vue'
 import NoScript from '@/components/NoScript.vue'
 import DevelopmentModeMark from '@/components/DevelopmentModeMark.vue'
diff --git a/layouts/print.vue b/layouts/print.vue
index 0e230e72..5034271b 100644
--- a/layouts/print.vue
+++ b/layouts/print.vue
@@ -1,14 +1,14 @@
 <template>
   <v-app class="app-print">
     <div v-if="loading" class="loader">
-      <img src="/logo.svg" :alt="$t('東京都')" />
+      <img src="/logo.gif" :alt="$t('栃木県')" />
       <scale-loader color="#00A040" />
     </div>
     <div v-else class="print-container">
       <div class="PrintMeta">
         <div class="PrintMeta-HeadingWrapper">
           <div class="PrintMeta-Logo">
-            <img src="/logo.svg" :alt="$t('東京都')" />
+            <img src="/logo.gif" :alt="$t('栃木県')" />
           </div>
           <h1 class="PrintMeta-Heading">
             {{ $t('新型コロナウイルス感染症') }}
diff --git a/static/logo.gif b/static/logo.gif
new file mode 100644
index 00000000..b67cd5f8
Binary files /dev/null and b/static/logo.gif differ