html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    font-family: "Segoe UI", "Meiryo", sans-serif;
    background-image: url('/image/login-bg-image.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.login-wrapper {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    width: 340px;
    padding: 30px;
    box-sizing: border-box;
    text-align: center;
    background: rgba(255, 255, 255, 0.88);
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    /*
                対応ブラウザでは背景を少しぼかします。
                古いIE等では無視されます。
            */
    backdrop-filter: blur(6px);
}

.login-logo {
    width: 160px;
    height: auto;
    margin-bottom: 18px;
}

.login-title {
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.login-input {
    width: 100%;
    height: 42px;
    margin-bottom: 14px;
    padding: 8px 10px;
    box-sizing: border-box;
    font-size: 14px;
    border: 1px solid #cfcfcf;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.95);
}

    .login-input:focus {
        border-color: #0078d4;
        box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.20);
        outline: none;
    }

.login-btn {
    width: 100%;
    height: 44px;
    margin-top: 4px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    background: #0078d4;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

    .login-btn:hover {
        background: #106ebe;
    }

.divider {
    margin: 16px 0 14px 0;
    font-size: 12px;
    color: #888;
    display: flex;
    align-items: center;
    text-align: center;
}

    .divider::before,
    .divider::after {
        content: "";
        flex: 1;
        border-bottom: 1px solid #ddd;
    }

    .divider::before {
        margin-right: 10px;
    }

    .divider::after {
        margin-left: 10px;
    }

.ms-btn {
    width: 100%;
    height: 40px;
    font-size: 14px;
    color: #333;
    background: #fff;
    border: 1px solid #cfcfcf;
    border-radius: 6px;
    cursor: pointer;
}

    .ms-btn:hover {
        background: #f5f5f5;
    }

.validation-summary-errors {
    margin-bottom: 12px;
    padding: 8px 10px;
    color: #b00020;
    background: #fdecea;
    border: 1px solid #f5c2c7;
    border-radius: 6px;
    font-size: 13px;
    text-align: left;
}

    .validation-summary-errors ul {
        margin: 0;
        padding-left: 18px;
    }

.field-validation-error {
    display: block;
    margin-top: -8px;
    margin-bottom: 10px;
    color: #b00020;
    font-size: 12px;
    text-align: left;
}

.input-validation-error {
    border-color: #b00020 !important;
    background: #fff8f8;
}