diff --git a/_pages/time-table.html b/_pages/time-table.html
index 954ec8f8..13298a1c 100644
--- a/_pages/time-table.html
+++ b/_pages/time-table.html
@@ -17,13 +17,13 @@
 {% assign total_slots = tte.total_slots %}
 {% assign total_rooms = tte.total_rooms %}
 
-<section class="w-[calc(100dvw-40px)] max-w-7xl mx-auto mt-25 xl:mt-15">
+<section class="w-full mt-25 xl:mt-15">
   <h2 class="text-4xl text-center mb-8">
     タイムテーブル
     <span class="block mt-3 text-2xl">TIME TABLE</span>
   </h2>
-  <div class="overflow-x-auto border-[1px] border-[#e6e6e9]" aria-label="タイムテーブル（横スクロール可）">
-    <table class="ttable" style="--room-count: {{ rooms | size }};">
+  <div class="overflow-x-auto w-[calc(100dvw-2rem)] mx-auto" aria-label="タイムテーブル（横スクロール可）">
+    <table class="ttable border-[1px] border-[#e6e6e9]" style="--room-count: {{ rooms | size }};">
       <thead>
         <tr>
           <th scope="col" class="ttable__th ttable__th--start">時間</th>
diff --git a/_sass/pages/time-table.scss b/_sass/pages/time-table.scss
index d1c1658e..e0e6b5b0 100644
--- a/_sass/pages/time-table.scss
+++ b/_sass/pages/time-table.scss
@@ -1,16 +1,3 @@
-/* ====== スクロール容器 ====== */
-.ttable-wrap{
-  position: relative;
-  width: 100%;
-  max-width: 100%;
-  overflow-x: auto;
-  overflow-y: visible;
-  -webkit-overflow-scrolling: touch;
-  overscroll-behavior-x: contain;
-  contain: content;
-  scrollbar-gutter: stable both-edges;
-}
-
 /* ====== テーブル ======
    PCでも「時間は4桁」「会場は全文表示」できるように
    table-layout: fixed と最小幅制約を組み合わせる