/* 開発者一覧ページ全体 */
.main-content {
    width: 100%;

    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 開発者一覧の白いカード */
.developers-card {
    position: relative;

    width: min(370px, calc(100% - 40px));
    padding: 36px 38px 30px;

    background-color: #ffffff;

    /* 外側の赤い枠線 */
    border: 4px solid #ff1e1e;
}

/*内側の赤い枠線*/
.developers-card::before {
    content: "";

    position: absolute;
    inset: 5px;

    border: 2px solid #ff1e1e;
    /*内容のクリックを邪魔しないようにする*/
    pointer-events: none;
}

/*見出し*/
.developers-title {
    position: relative;

    margin: 0 0 28px;

    color: #df3548;
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    letter-spacing: 0.08em;
}

/* 開発者一覧 */
.developers-list {
    position: relative;

    width: max-content;
    margin: 0 auto;
    padding: 0;

    list-style-type: none;
}

/* 各開発者 */
.developers-list li {
    display: grid;
    grid-template-columns: 8px 1fr;
    align-items: center;
    column-gap: 10px;

    margin-bottom: 22px;
}

.developers-list li:last-child {
    margin-bottom: 0;
}

/* 四角形のマーク */
.developers-list li::before {
    content: "";

    width: 8px;
    height: 8px;

    background-color: #df3548;
}

/* GitHubのリンク */
.developers-list a {
    color: #181cff;
    font-size: 18px;
    letter-spacing: 0.12em;
    text-align: left;

    transition:
        color 0.2s ease,
        opacity 0.2s ease;
}

.developers-list a:hover {
    color: #df3548;
    text-decoration: underline;
}

/*Tabキーでリンクを選択するときのエフェクト*/
.developers-list a:focus-visible {
    outline: 2px solid #df3548;
    outline-offset: 4px;
}

/*戻るボタン*/
.back-button {
    min-width: 82px;
    margin-top: 22px;
    padding: 11px 20px;

    background-color: #df3548;
    color: #ffffff;

    border-radius: 9999px;

    font-size: 17px;
    font-weight: bold;
    text-align: center;
    letter-spacing: 0.08em;

    transition:
        background-color 0.2s ease,
        transform 0.2s ease;
}

.back-button:hover {
    background-color: #bf2639;
    transform: translateY(-2px);
}

.back-button:active {
    transform: translateY(0);
}

.back-button:focus-visible {
    outline: 3px solid #ffffff;
    outline-offset: 3px;
}

/* スマートフォン向け */
@media (max-width: 480px) {
    body {
        padding: 30px 0;
    }

    .developers-card {
        width: calc(100% - 32px);
        padding: 32px 30px 28px;
    }

    .developers-title {
        font-size: 22px;
    }

    .developers-list a {
        font-size: 17px;
    }

    .footer {
        margin-top: 26px;
    }
}