/* ===== ログイン全体 ===== */
.list {
    max-width: 420px;
    margin: 0 auto;
    background: #ffffff;
    padding: 32px 28px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* ===== テーブル ===== */
.list table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 16px;
    border: none;
}

.list th {
    text-align: left;
    font-weight: 600;
    color: #333;
    padding-bottom: 6px;
    border: none;
}

.list td {
    border: none;
}

/* ===== 入力欄 ===== */
.list input[type="text"],
.list input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    border-radius: 8px;
    border: 1px solid #ccc;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.list input[type="text"]:focus,
.list input[type="password"]:focus {
    outline: none;
    border-color: #005f7b;
    box-shadow: 0 0 0 3px rgba(0, 95, 123, 0.15);
}

/* ===== ログインボタン ===== */
.list input[type="submit"] {
    width: 100%;
    margin-top: 8px;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #005f7b, #008fb3);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.list input[type="submit"]:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* ===== 説明文 ===== */
.t_center {
    text-align: center;
    color: #555;
    font-size: 14px;
    margin-top: 12px;
}

/* ===== スマホ対応 ===== */
@media screen and (max-width: 480px) {
    .list {
        padding: 24px 20px;
    }
}

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