html,
body {
  font-family:Meiryo,"Hiragino Kaku Gothic Pro";
  min-height: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  position: relative;
}
header {
  overflow:hidden;
  width: 100%;
  margin: 0;
  padding: 0;
}
h1 {
  float: left;
  padding: 0;
  margin: 10px 0 0 0;
}
h2 {
  clear: both;
}
h3 {
  margin: 40px 0;
  padding: 40px 0;
}
nav {
  float: right;
  text-align: center;
}
footer {
  width: 100%;
  margin: 40px 0;
  padding: 0;
}
input,
textarea {
  width: calc(100% - 20px);
  padding: 0;
  margin: 5px 10px;
}
button {
  width: 200px;
  padding: 0;
  margin: 5px 10px;
}
input[type="submit"] {
  width: 200px;
}
select {
  margin: 10px 0 0 0;
}
#select {
  margin: 20px;
}
a {
  color: #000;
  text-decoration: underline;
}
a:hover {
  color: #fff;
  background-color: #000;
  text-decoration: none;
}
nav a {
  float: left;
  margin: 0;
  padding: 20px 10px;
  font-size: 80%;
  text-decoration: none;
  font-weight: bold;
  max-width: 100px;
}
#select_num {
  color: #fff;
  background-color: #000;
}
#CanvasAnimation {
  position: -webkit-fixed;
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 0;
}
#container {
  position: relative;
  z-index: 1;
  padding: 0 10px;
}
ul {
  clear: both;
}
li {
  width: 100%;
  padding: 5px 0;
}
#space {
  clear: both;
  height: 600px;
}