<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width">
<title>Document</title>
<style>
.Display_Grid {
display: grid;
grid-template-columns: 1fr auto 1fr;
}
.Grid_Left {
grid-column: 1;
}
.Grid_Center {
grid-column: 2;
}
</style>
</head>
<body>
<div class="Display_Grid">
<div class="Grid_Left">
<label><input type="checkbox"> aaaaa</label>
</div>
<div class="Grid_Center">
<button type="button">ボタンA</button>
<button type="button">ボタンB</button>
</div>
</div>
</body>
</html>
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