.button {
  background-color: #fff;
  color: #2f4f4f;
  padding: 5px 15px;
  text-decoration: none;
  font-size: 2em;
box-shadow: 0px 5px 15px -10px rgba(0,0,0,0.8);
}
.button:hover {
  color: #2f4f4f;
  background-color: #b0e0e6;
}

.Clockbutton{
  background-color: #fff;
  border: solid 2px #2f4f4f;
  color: #2f4f4f;
  padding: 10px 30px;
  text-decoration: none;
  font-size: 2em;
}
.Clockbutton:hover {
  color: #2f4f4f;
  background-color: #b0e0e6;
}

.menu ul {
  width: 700px;/*メニューの幅*/
  margin: 0;
  padding: 0;
  list-style-type: none;
  background-color: #eeeeee;
}
.menu li a {
  display: block;
  padding: 8px 16px;
  text-decoration: none;
  color: #000000;
  transition: all .3s;
}
.menu li {
  text-align: center;
  margin-right: auto;
  margin-left: auto;
}
.cp_navi01 li:last-child {
  border-bottom: none;
}
.menu li a.active {
  color: #ffffff;
  background-color: #da3c41;
}
.menu li a:hover:not(.active) {
  color: #ffffff;
  background-color: #1b2538;
}
.menu{
display: flex;
justify-content: center;
align-items: center;
height: 100%; /* 親要素の高さを指定 */

}

.center{

  text-align: center;
  margin-right: auto;
  margin-left: auto;
}