@charset "UTF-8";
* {
  box-sizing: border-box;
}

html, body {
  font-family: "Helvetica Neue", Helvetica, Arial, "Heiti TC", "Apple LiGothic Medium", "\5FAE\8EDF\6B63\9ED1\9AD4", sans-serif;
  font-size: 16px;
}

.center {
  left: 50%;
  top: 40%;
  position: absolute;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
}

.main {
  width: 300px;
}

.main .logo {
  font-family: sans-serif;
  font-size: 46px;
  color: #ffffff;
  background-color: #4cade2;
  width: 100%;
  height: 150px;
  text-align: center;
  line-height: 150px;
}

.main .logo .text-logo {
  line-height: 1;
  /* display: inline; */
  display: none;
}

.main .logo .text-logo sup {
  font-size: 30px;
}

.main .logo .image-logo {
  background: url(http://stadium.pbplus.me/img/common/pbplus_logo.svg) no-repeat 50% 50%;
  width: 100%;
  height: 100%;
}

.main .nav {
  width: 80%;
  text-align: center;
  margin: 30px auto 0;
  padding-top: 20px;
  border-top: 1px solid #dddddd;
}

.main .nav a {
  color: #121212;
  text-decoration: none;
  border-bottom: 2px solid #eeeeee;
  padding: 3px 6px;
  display: inline-block;
}

.main .nav a:hover {
  border-bottom: 2px solid #4cade2;
}