@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100;200;300;400;500;600;700;900&display=swap");body,html{padding:0;margin:0;font-family:Noto Sans JP,sans-serif;background-color:#faf6f1}.split{display:flex;flex-direction:row}.gutter{background-color:#fff;background-repeat:no-repeat;background-position:50%}.gutter.gutter-horizontal{background-image:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAeCAYAAADkftS9AAAAIklEQVQoU2M4c+bMfxAGAgYYmwGrIIiDjrELjpo5aiZeMwF+yNnOs5KSvgAAAABJRU5ErkJggg==");cursor:col-resize}