diff --git a/_data/sponsors.yml b/_data/sponsors.yml
index d4c6c47..d8556ad 100644
--- a/_data/sponsors.yml
+++ b/_data/sponsors.yml
@@ -74,21 +74,21 @@
   logo: /img/sponsors/ProtoPedia.png
   link: https://protopedia.net/
   type: inkind
-  message:
-  logo_scale: 1
 
 - name: 株式会社<wbr>ヌーラボ
   tool: Backlog
   logo: /img/sponsors/Nulab.png
   link: https://nulab.com/ja/
   type: inkind
-  message:
-  logo_scale: 0.8
 
 - name: YassLab <wbr>株式会社
   tool: Doorkeeper
   logo: /img/sponsors/YassLab.png
   link: https://yasslab.jp/
   type: inkind
-  message:
-  logo_scale: 0.9
+
+- name: 株式会社<wbr>ステラリンク
+  tool: 会場ネットワーク
+  logo: /img/sponsors/stellalink.png
+  link: https://www.stellalink.co.jp/
+  type: inkind
diff --git a/_includes/top/sections/sponsor.html b/_includes/top/sections/sponsor.html
index 04696f5..10514a3 100644
--- a/_includes/top/sections/sponsor.html
+++ b/_includes/top/sections/sponsor.html
@@ -101,7 +101,7 @@ <h3 class="text-2xl mt-20 text-center mb-4">インカインドスポンサー
     {% for sponsor in inkind_sponsors %}
       {% if sponsor.link %}
         <a
-          class="max-w-[{{270 | times:sponsor.logo_scale | round}}px] w-full flex flex-col transition-all duration-200 hover:scale-105 cursor-pointer"
+          class="w-[270px] flex flex-col transition-all duration-200 hover:scale-105 cursor-pointer"
           style="transform-style: preserve-3d;"
           href="{{ sponsor.link }}"
           target="_blank" rel="noopener noreferrer"
@@ -112,7 +112,7 @@ <h3 class="text-2xl mt-20 text-center mb-4">インカインドスポンサー
           <p class="w-full text-center break-keep">{{ sponsor.tool }}<wbr>のご提供</p>
         </a>
       {% else %}
-        <div class="max-w-[{{270 | times:sponsor.logo_scale | round}}px] w-full flex flex-col">
+        <div class="w-[270px] flex flex-col">
           <div class="flex-grow w-full flex items-center justify-center">
             <img class="w-full mx-auto mb-3" src="{{ sponsor.logo }}" alt="{{ sponsor.name | append: "(" | append: sponsor.tool | append:")" | strip_html }}のロゴ">
           </div>
diff --git a/_pages/sponsors.md b/_pages/sponsors.md
index ec81e24..18ffbc3 100644
--- a/_pages/sponsors.md
+++ b/_pages/sponsors.md
@@ -118,11 +118,11 @@ title: スポンサーのご紹介
           target="_blank"
           rel="noopener noreferrer"
         >
-          <img class="max-w-[{{270 | times:sponsor.logo_scale | round}}px] w-full mx-auto mb-3" src="{{ sponsor.logo }}" alt="{{ sponsor.name | append: "(" | append: sponsor.tool | append:")" | strip_html }}のロゴ">
+          <img class="w-[270px] mx-auto mb-3" src="{{ sponsor.logo }}" alt="{{ sponsor.name | append: "(" | append: sponsor.tool | append:")" | strip_html }}のロゴ">
         </a>
       {% else %}
         <div class="flex-grow w-full flex items-center justify-center">
-          <img class="w-full mx-auto mb-3" src="{{ sponsor.logo }}" alt="{{ sponsor.name | append: "(" | append: sponsor.tool | append:")" | strip_html }}のロゴ">
+          <img class="w-[270px] mx-auto mb-3" src="{{ sponsor.logo }}" alt="{{ sponsor.name | append: "(" | append: sponsor.tool | append:")" | strip_html }}のロゴ">
         </div>
       {% endif %}
       <p class="w-full text-center break-keep">{{ sponsor.name }}</p>
diff --git a/img/sponsors/stellalink.png b/img/sponsors/stellalink.png
new file mode 100644
index 0000000..f271f37
Binary files /dev/null and b/img/sponsors/stellalink.png differ