#form{
    margin: auto;
}

#form h2{
    color:#FF0000;
    font-size: 20px;
}

.login_header h2{
    color: #a9a9a9;
}

.footer{
    width: 100%;
    background: #333;
    postion:absolute;
    bottom:0;
    height: 5%;
}

.copyright{
    padding-top: 1%;
    color: #fff;
    font-size: 12px;
    text-align: center;
}

body,
#wrapper {
  display: flex;
  flex-direction: column;
  min-height: 600px;
  min-width: 800px;
}

html {
    height: 100%;
}

body {
    height: 100%;
    margin: 0;
}

#wrapper {
    height: 100%;
}

footer {
  margin-top: auto;
}

input{
    width: 300px !important;
}

#form h2{
    margin-left: 25px;
}

#form a{
    margin-left: 25px;
}

form{
    margin-left: 25px !important;
}

button{
    width: 300px;
}

/* フォント表示固定 */
@media screen and (max-width: 640px) { 
    .login_header h2 {
        font-size: 2.3125rem !important;
    }

    #form h2{
        font-size: 20px;
    }
}