/* 認証フォームスタイル */
.hikarigaoka-auth-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-form-wrapper {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
    overflow: hidden;
}

.auth-header {
    background: var(--primary-color, #007cba);
    color: white;
    padding: 2rem;
    text-align: center;
}

.auth-header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.auth-form {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e5e9;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color, #007cba);
}

.btn-auth {
    width: 100%;
    padding: 12px;
    background: var(--primary-color, #007cba);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-auth:hover {
    background: var(--secondary-color, #005a87);
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-links a {
    color: var(--primary-color, #007cba);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
}

.step-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.step {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #e1e5e9;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 10px;
    font-weight: 600;
}

.step.active {
    background: var(--primary-color, #007cba);
    color: white;
}

.step.completed {
    background: #28a745;
    color: white;
}

/* エラーメッセージ */
.error-message {
    color: #dc3545;
    font-size: 14px;
    margin-top: 5px;
}

.success-message {
    color: #28a745;
    font-size: 14px;
    margin-top: 5px;
}

/* レスポンシブ */
@media (max-width: 480px) {
    .auth-form-wrapper {
        margin: 10px;
    }
    
    .auth-form {
        padding: 1.5rem;
    }
}