body,
dl,
dt,
dd,
form {
  margin: 0;
}
.photo {
  background: no-repeat center fixed;
  height: 100vh;
  -webkit-background-size: auto 100%;
  background-size: auto 100%;
}
.logo_box {
  position: fixed;
  width: 100%;
  top: 30%;
}
.logo_box .logo {
  width: 5%;
  max-width: 200px;
  min-width: 100px;
  margin: auto;
  display: block;
}
.logo_box .logo path,
.logo_box .logo rect {
  stroke: white;
  stroke-width: 1;
}
.logo_box .domain {
  text-align: center;
  color: white;
  font-size: 60px;
  font-family: Georgia, sans-serif;
  text-shadow: 3px 3px 5px rgba(0, 0, 0, 0.5);
}
.logo_box .sign {
  text-align: center;
}
.logo_box .sign span {
  color: white;
  padding: 0 .5em;
  font-size: 12px;
  background: rgba(0, 0, 0, 0.3);
  -webkit-border-radius: 1em;
  -moz-border-radius: 1em;
  border-radius: 1em;
  white-space: nowrap;
}
.footer {
  background: #333;
  line-height: 2em;
  color: white;
  text-align: center;
  font-size: 12px;
  padding: 3em 0;
}
.footer a {
  color: white;
}