a {
  text-decoration:none;
  color:#808080;
}
a:hover {color:#ff0000}

body,table {
  font-size: 15px;
}

/*  webの余白をなくす */
* {
  padding: 0px;
  margin: 0px;
}

.box {
  margin: auto;
  padding: 15px 0;
  width: 630px;
  background-color: #ffffff;
}
.copy {text-align: center}