/* ===== 全体中央配置 ===== */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 75vh;
}

/* ===== カード ===== */
.auth-card {
    background: white;
    padding: 50px;
    border-radius: 20px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}

/* タイトル */
.auth-title {
    font-size: 26px;
    margin-bottom: 10px;
    text-align: center;
}

.auth-subtitle {
    text-align: center;
    font-size: 14px;
    color: #666;
    margin-bottom: 30px;
}

/* フォーム */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    margin-bottom: 6px;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ddd;
    transition: 0.3s ease;
    font-size: 14px;
}

.form-group input:focus {
    outline: none;
    border-color: #00c6ff;
    box-shadow: 0 0 0 3px rgba(0,198,255,0.15);
}

/* Remember */
.remember {
    margin-bottom: 20px;
    font-size: 13px;
    color: #555;
}

/* ボタン */
.auth-button {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 30px;
    font-weight: 500;
    background: linear-gradient(90deg, #00c6ff, #0072ff);
    color: white;
    cursor: pointer;
    transition: 0.3s ease;
}

.auth-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,114,255,0.3);
}

/* エラー */
.error {
    font-size: 12px;
    color: #e63946;
}

/* セッション */
.auth-status {
    background: rgba(0,114,255,0.08);
    padding: 10px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
    text-align: center;
}

/* リンク */
.auth-links {
    margin-top: 20px;
    text-align: center;
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.auth-links a {
    color: #0072ff;
    text-decoration: none;
}

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

/* ===== スマホ ===== */
@media (max-width: 768px) {
    .auth-card {
        padding: 35px;
    }
}

/* 同意エリア */
.agree-group {
    margin-top: 10px;
    margin-bottom: 10px;
}

.agree-label {
    display: flex;
    align-items: flex-start;
    font-size: 13px;
    color: #555;
    line-height: 1.6;
    cursor: pointer;
}

.agree-label input {
    margin-right: 8px;
    margin-top: 3px;
    accent-color: #38bdf8; /* Papilio水色 */
}

.agree-label a {
    color: #38bdf8;
    text-decoration: none;
}

.agree-label a:hover {
    text-decoration: underline;
}