body {
    font-family: Arial, sans-serif;
    background-color: #2c2f33;
    color: #fff;
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.profile-container {
    background-color: #23272a;
    padding: 20px;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

h1 {
    margin-bottom: 20px;
    color: #7289da;
}

ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    width: 100%;
}

.account {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #2c2f33;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 4px;
}

.account-name {
    color: #fff;
    font-weight: bold;
}

.account-id {
    color: #b9bbbe;
}

.account-link {
    background-color: #7289da;
    color: white;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.account-link:hover {
    background-color: #5b6eae;
}

.account-link:focus {
    outline: none;
}

/* フッター用スタイル */
.footer {
    margin-top: 20px;
    text-align: center;
    background-color: #23272a;
}

.footer p {
    margin: 0;
    font-size: 12px;
    color: #b9bbbe;
}

.footer a {
    color: #7289da;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* SP用スタイル */
@media screen and (max-width: 600px) {
    body {
        justify-content: flex-start;
        padding-top: 50px;
    }

    .profile-container {
        padding: 20px;
        margin-top: 20px;
        max-width: 90%;
    }

    .footer {
        margin-top: 30px;
    }
}