body {
    margin: 0;
}

.back-ground {
    height: 100vh;
    background-color: var(--light-gray-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    background: var(--white-color);
    width: 600px;
    padding: 60px 40px;
    text-align: center;

    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.login-container h1 {
    margin-bottom: 24px;
}

.sub-text {
    color: var(--darkgray-hover-color);
    margin-bottom: 40px;
}

.note {
    margin-top: 30px;
    font-size: 14px;
    color: var(--gray-hover-color);
}

/* ログインボタン */
.login-btn {
    width: 40%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: bold;
    color: var(--white-color);
    background: var(--main-color);
    cursor: pointer;
    transition: 0.3s;
}

.login-btn:hover {
    transform: translateY(-2px);
    background-color: var(--main-hover-color);
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
}

input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-top: 6px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--light-gray-color);
    font-size: 14px;
    transition: border-color 0.2s;
    flex: 1;

}

.form-row {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.form-row label {
    width: 120px;
    margin-right: 8px;
    text-align: right;
}

.login-btn{
    margin-top: 30px;
    padding: 2% 0;
    width: 30%;
}