.affiliate-container {
    display: flex;
    flex-wrap: wrap;
    max-width: 830px;
    margin: 0;
    padding: 20px;
    border: 1px solid #ccc;
}

.affiliate-container .image-section {
    flex: 1;
    max-width: 160px;
    text-align: center;
    margin-right: 20px;
}

.affiliate-container .image-section a {
    text-decoration: none;
}

.affiliate-container .image-section a img:nth-of-type(2) {
    width: 150px;
    height: auto;
}

.affiliate-container .info-section {
    flex: 2;
    min-width: 300px;
}

.affiliate-container .info-section div.maker-name {
    font-size: 12px;
    margin-bottom: 10px;
}

.affiliate-container .info-section div.product-name {
    font-size: 16px;
    margin-bottom: 10px;
}

.affiliate-container .info-section div.product-code {
    font-size: 12px;
    margin-bottom: 10px;
}

.affiliate-container .buttons {
    margin: 20px 0 0 0;
}

.affiliate-container .store-button {
    display: inline-block; /* ボタンのように見せる */
    padding: 10px 20px;
    margin-right: 10px;
    margin-bottom: 10px;
    border: none;
    border-radius: 4px;
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    text-align: center; /* テキストを中央揃え */
    text-decoration: none; /* 下線を消す */
    background-color: blue; /* 既定のボタン色は青 */
    width: 180px;
    line-height: 20px;
    transition: 0.3s ease-in-out;
}

.affiliate-container .store-button:hover {
    filter: brightness(1.4);
    color: #fff;
}

.affiliate-container .amazon-button {
    background-color: #f79256;
}

.affiliate-container .lenovo-button {
    background-color: #E42022;
}

.affiliate-container .lohaco-button {
    background-color: #998978;
}

@media (max-width: 480px) {
    .affiliate-container {
        width: 300px;
        flex-direction: column; /* 縦方向に配置 */
        align-items: center; /* 中央配置 */
        margin: 0 auto; /* 親要素に対して中央配置 */
        padding: 10px; /* スペースを調整 */
    }

    .affiliate-container .image-section {
        margin: 0 0 20px 0; /* 下にスペースを追加 */
        max-width: 100%; /* 幅を親要素に合わせる */
    }

    .affiliate-container .image-section a img:nth-of-type(2) {
        max-width: 150px;
        height: auto; /* アスペクト比を維持 */
    }

    .affiliate-container .info-section {
        width: 100%;
        text-align: center; /* テキストを中央揃え */
    }

    .affiliate-container .info-section div.maker-name {
        text-align: left;
        width: 280px;
        margin: 0px 10px 10px 10px;
    }

    .affiliate-container .info-section div.product-name {
        text-align: left;
        width: 280px;
        margin: 0px 10px 10px 10px;
    }

    .affiliate-container .info-section div.product-code {
        text-align: left;
        width: 280px;
        margin: 0px 10px 10px 10px;
    }

    .affiliate-container .buttons {
        display: flex;
        flex-direction: column; /* ボタンを縦に並べる */
        align-items: center; /* ボタンを中央揃え */
    }

    .affiliate-container .store-button {
        width: 240px;
        margin-right: 0px;
    }
}