@import url(https://fonts.googleapis.com/earlyaccess/notosansjp.css);

body {
    font-family: Noto Sans JP,sans-serif;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    margin: 0;
    min-width:100vw;
    min-height:100vh;
    background: linear-gradient(-135deg, #E5E8FF,#F5F8FF);
}

h1,h2,h3,p,a,ul,li,table,tr,th,td{
    margin:0;
    padding:0;
}

li{
    list-style: none;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width:100vw;
    min-height:100vh;
}
.box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width:30vw;
    min-height:50vh;
    margin-top:-50px;
}
.box img{
    filter: drop-shadow(1px 1px 3px #AAA);
}
input{
    font-family: Noto Sans JP,sans-serif;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    box-shadow:0px 0px 3px 1px #CCC inset;
    background: linear-gradient(-135deg, #E5E8FF,#F5F8FF);
    border: none;
    border-radius: 5px;
    height:30px;
    margin:5px auto;
    padding:10px;
}
input[type="submit"] {
    padding:0px;
    height:50px;
    width:100%;
    background: linear-gradient(-135deg, #CD2272,#861878);
    box-shadow:0px 0px 3px 1px #CCC;
    color:#FFF;
    transition: background-color 1.5s
}
input[type="submit"]:hover{
    background:  #CD2272;
}