.faq-section {
            max-width: 900px;
            margin: 60px auto;
            padding: 0 20px;
        }

        .section-title {
            font-size: 28px;
            color: #ffffff;
            margin-bottom: 40px;
            text-align: center;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .section-title::before,
        .section-title::after {
            content: "";
            display: inline-block;
            width: 30px;
            height: 4px;
            background-color: #e60000;
            transform: skewX(-30deg);
            margin: 0 15px;
        }

        /* ==============================
           アコーディオンFAQ
           ============================== */
        .faq-container {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background-color: #1a1a1a;
            border-left: 3px solid #333333;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
            transition: border-color 0.3s ease, background-color 0.3s ease;
            overflow: hidden;
        }

        /* 開いた状態のスタイル */
        .faq-item[open] {
            border-left-color: #e60000;
            background-color: #1f1f1f;
        }

        /* 質問（見出し部分） */
        .faq-question {
            padding: 20px 25px;
            font-size: 16px;
            font-weight: bold;
            color: #ffffff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none; /* デフォルトの矢印を非表示 */
            user-select: none;
            transition: color 0.3s ease;
        }

        .faq-question::-webkit-details-marker {
            display: none; /* Webkit系ブラウザのデフォルト矢印消去 */
        }

        .faq-question:hover {
            color: #e60000;
        }

        /* Qバッジ */
        .q-badge {
            display: inline-block;
            background-color: #e60000;
            color: #ffffff;
            font-weight: 900;
            font-size: 14px;
            padding: 2px 10px;
            margin-right: 15px;
            transform: skewX(-15deg);
            flex-shrink: 0;
        }

        .q-badge span {
            display: inline-block;
            transform: skewX(15deg);
        }

        .q-text {
            flex: 1;
            line-height: 1.5;
        }

        /* プラス/マイナス切り替えアイコン */
        .toggle-icon {
            position: relative;
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            margin-left: 15px;
        }

        .toggle-icon::before,
        .toggle-icon::after {
            content: "";
            position: absolute;
            background-color: #ffffff;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .toggle-icon::before {
            top: 7px;
            left: 0;
            width: 16px;
            height: 2px;
        }

        .toggle-icon::after {
            top: 0;
            left: 7px;
            width: 2px;
            height: 16px;
        }

        /* 開いているときは縦線を消してマイナス（ー）にする */
        .faq-item[open] .toggle-icon::after {
            transform: rotate(90deg);
            opacity: 0;
        }

        .faq-item[open] .toggle-icon::before {
            background-color: #e60000;
        }

        /* 回答部分 */
        .faq-answer {
            padding: 0 25px 25px 25px;
            color: #cccccc;
            line-height: 1.8;
            border-top: 1px solid #2a2a2a;
            margin-top: 5px;
            padding-top: 20px;
            display: flex;
            align-items: flex-start;
            animation: fadeIn 0.3s ease;
        }

        .a-badge {
            display: inline-block;
            background-color: #333333;
            color: #ffffff;
            font-weight: 900;
            font-size: 14px;
            padding: 2px 10px;
            margin-right: 15px;
            transform: skewX(-15deg);
            flex-shrink: 0;
        }

        .a-badge span {
            display: inline-block;
            transform: skewX(15deg);
        }

        .a-text {
            flex: 1;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-5px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* レスポンシブ対応 */
        @media (max-width: 768px) {
            .faq-question {
                padding: 15px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 15px 18px 20px 18px;
            }
        }