@charset "UTF-8";
header {
	background-image: url("../image/top-bg1.webp");
}

table{
    border-collapse: collapse;
    border: 1px solid #333;
    width: 100%;
}
tr,td,th{
    border: 1px solid #333;
}
th,td{
    padding: 3px 5px;
}

.koshu tr th:nth-child(1){
    width: 19%;

}
.koshu tr td:nth-child(3),.koshu tr td:nth-child(4){
    width: 15%;

}
.wakaba tr th:nth-child(1){
    width: 19%;
}