html, body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 90%;
    background:#ebf2f5;
}
#loginArea{
    position: relative;
    width:400px;
    max-width:92%;
    margin:auto;
    padding:1.5rem;
    border-radius:4px;
    background:#FFF;
    /* border:1px solid #666; */
}




/* title */
#loginArea .title{
    display: flex;
    margin-bottom:2rem;
}
#loginArea .title svg#logo{
    width:90px;
    margin-right: 1rem;
}
#loginArea .title .text{
    font-size: 3rem;
    font-weight: bold;
    color: #a1d0eb;
}
#loginArea .title .text strong{
    display: block;
    font-size: 1.1rem;
    color: #555;
}
#loginArea .title .text span{
    display: block;
    line-height: 1;
}
/* form */
#loginArea input[type='text'],#loginArea input[type='password'] {
    display: block;
    width:100%;
    margin:0.5rem 0;
    padding:0.8rem;
    box-sizing: border-box;
    border: 1px solid #0080e9;
    font-size: 1.2rem;
}
#loginArea input::placeholder{
    color: #CCC;
}

#loginArea button[type='submit']{
    width:100%;
    margin:0.5rem 0;
    padding:0.4rem;
    margin:1rem auto;
    background:#363a40;
    color: #FFF;
    font-size: 1.0rem;
    line-height: 1.8;
    cursor: pointer;
}

/* パスワードリセットリンク */
.forgot-password {
    text-align: center;
    margin-top: 1rem;
}

.forgot-link {
    color: #0080e9;
    text-decoration: none;
    font-size: 0.9rem;
}

.forgot-link:hover {
    text-decoration: underline;
}

.back-to-login {
    text-align: center;
    margin-top: 1rem;
}

.back-link {
    color: #0080e9;
    text-decoration: none;
    font-size: 0.9rem;
}

.back-link:hover {
    text-decoration: underline;
}

/* エラー・成功メッセージ */
.error {
    background: #fee;
    border: 1px solid #fcc;
    color: #c33;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.success {
    background: #efe;
    border: 1px solid #cfc;
    color: #3c3;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-4 p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}
@media (max-width: 768px) {

    #loginArea{
        width:92%;
        max-width:92%;
    }

    #loginArea .title .text{
        font-size: 2.3rem;
    }
}