/*
 Theme Name:   Twenty Twenty-One Child
 Theme URI:    https://example.com/
 Description:  Twenty Twenty-One Child Theme
 Author:       Your Name
 Author URI:   https://example.com/
 Template:     twentytwentyone
 Version:      1.0.0
*/

body {
    background-color: #ffffff !important; /* 背景を白に変更 */
}