h3 {
    margin: 16px 0 4px;
}

form {
    margin-bottom: 12px;
}

.regist-button {
    margin: 21px 0;
    background: linear-gradient(to bottom right, #EF4765, #FF9A5A);
    border: 0;
    border-radius: 12px;
    color: #FFFFFF;
    cursor: pointer;
    display: inline-block;
    font-family: -apple-system,system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    font-size: 16px;
    font-weight: 500;
    line-height: 2.5;
    outline: transparent;
    padding: 0 1rem;
    text-align: center;
    text-decoration: none;
    transition: box-shadow .2s ease-in-out;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    white-space: nowrap;
}

.regist-button[disabled]{
    background: linear-gradient(to bottom right, #5f5f5f, #c2c2c2);
}
  
.regist-button:not([disabled]):focus {
    box-shadow: 0 0 .25rem rgba(0, 0, 0, 0.5), -.125rem -.125rem 1rem rgba(239, 71, 101, 0.5), .125rem .125rem 1rem rgba(255, 154, 90, 0.5);
}
  
.regist-button:not([disabled]):hover {
    box-shadow: 0 0 .25rem rgba(0, 0, 0, 0.5), -.125rem -.125rem 1rem rgba(239, 71, 101, 0.5), .125rem .125rem 1rem rgba(255, 154, 90, 0.5);
}