body {
    background-image: linear-gradient(90deg, rgba(65, 164, 253, 1), rgba(14, 244, 255, 1));
    font-family: 'Helvetica Neue', sans-serif;
    color: #fff;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

a {
    color: inherit;
    text-decoration: none
}

.login-container {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
}

.form-group {
    margin-bottom: 20px;
}

input {
    width: 100%;
    padding: 15px;
    border: none;
    background-color: rgba(255, 255, 255, 0.4);
    border-radius: 5px;
    color: #fff;
    font-size: 16px;
}

    input::placeholder {
        color: rgba(255, 255, 255, 0.8);
    }

    input:focus {
        outline: none;
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
    }

button {
    width: 100%;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 5px;
    color: #378cec;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

    button:hover {
        background-color: rgba(255, 255, 255, 1);
        letter-spacing: 0.1em;
        transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
    }

.foot-lnk {
    text-align: center;
    color: #fff;
}


/*ログイン画面用*/
.lgintxt {
    width: 100%;
    padding: 15px;
    border: none;
    background-color: rgba(255, 255, 255, 0.4);
    border-radius: 5px;
    color: #fff;
    font-size: 16px;
}

    .lgintxt::placeholder {
        color: rgba(255, 255, 255, 0.8);
    }

    .lgintxt:focus {
        outline: none;
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
    }


.lginbtn {
    width: 100%;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 5px;
    color: #378cec;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}


    .lginbtn:hover {
        background-color: rgba(255, 255, 255, 1);
        letter-spacing: 0.1em;
        transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
    }

.lginfail {
    text-align: left;
}