@charset "utf-8";
/* CSS Document */

html,body {
  height: 100%;
}
body {
  background: url(../imgs/top/login_bg.jpg) no-repeat center center;
  background-size: cover;
  overflow: hidden;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;

  /* 左右中央寄せ */
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  /* 上下中央寄せ */
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

h1,
h1 + p {
  display: block;
  text-align: center;
  margin: 0  0 15px;
}
h1 + p {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 50px;
}
form > div {
  width: 500px;
  margin: 0 auto;
  /*background-color: rgba(0,0,0,0.60);*/
}
.horizon dt,
.horizon dd {
  display: inline-block;
  letter-spacing: normal;
  vertical-align: middle;
  margin-bottom: 10px;
}
.horizon dt {
  width: 30%;
  font-size: 1.5rem;
  font-weight: 700;
}
.horizon dd {
  width: 70%;
}
#error {
  background-color: rgba(0,0,0,0.60);
  color: #FFE500;
  padding: 10px;
  margin-bottom: 20px;
  text-align: center;
}
input {
  width: 100%;
  padding: 7px;
}
button {
  background-color: #000;
  width: 40%;
  border: none;
  padding: 7px 15px;
  display: block;
  color: #fff;
  cursor: pointer;
  margin: 0 auto;
}
button:hover {
  background-color: #FFD600;
  transition: 0.3s;
  color: #000;
}
@media screen and (max-width: 767px) {
  section {
    padding: 0 10px;
  }
  h1,
  h1 + p,
  form > div {
    width: 100%;
  }
  h1 img {
    width: 80%;
    height: auto;
  }
  h1 + p {
    font-size: 2.0rem;
  }
  .horizon dt,
  .horizon dd {
    display: block;
    width: 100%;
  }
  .horizon dt {
    margin-bottom: 0;
  }
  #error {
    font-size: 1.2rem;
  }
  #copyright {
    position: absolute;
    right: inherit;
  }
}