@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&family=Noto+Sans+JP:wght@400;500;700;800&display=swap");

body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;

    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;

    background-image: url("../../images/lunags-login_pc.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    -webkit-text-size-adjust: 100%;
}

@media screen and (max-width: 959px) {
    body {
        background-image: url("../../images/lunags-login_tb.jpg");
    }
}

@media screen and (max-width: 480px) {
    body {
        background-image: url("../../images/lunags-login_sp.jpg");
        padding: 0 16px;
    }

    /* スマホ時は余白を20pxに縮小 */
    .box,
    .card {
        padding: 20px;
    }
}


body.home {
    background: none;
}

.box,
.card {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    box-sizing: border-box;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.card {
    max-height: 90vh;
    overflow-y: auto;
}

.birthday-group {
    display: flex;
    gap: 10px;
    margin-top: 0;
}

.birthday-group select {
    flex: 1;
}

h2 {
    margin-top: 0;
    text-align: center;
}

p {
    font-size: 14px;
    color: #555;
    text-align: center;
}

select:invalid {
    color: #555;
}

select,
input,
button {
    width: 100%;
    box-sizing: border-box;
    padding: 12px;
    margin-top: 12px;
    border-radius: 8px;
    border: 1px solid #d9d9d9;
    color: #333;
    background-color: #fff;
    font-size: 16px6
}

select option {
    color: #333;
}

select option[value=""] {
    color: #666;
}

button {
    border: none;
    background: #00aaff;
    color: #fff;
    cursor: pointer;
}

button:hover {
    background: #35a4cc;
}

.secondary {
    background: #eef2f7;
    color: #333;
}

.secondary:hover {
    background: #dde5ee;
}

.message {
    min-height: 24px;
    margin-top: 12px;
    font-size: 14px;
}

.error {
    color: #d93025;
}

.success {
    color: #0b8043;
}