.feature-section-main {
    .br-sp {
        display: none;
    }

    .main-title {
        margin: 5rem;
        text-align: center;
    }

    .share-title {
        font-size: 1.8rem;
        background: #fff;
        letter-spacing: 0.3rem;
    }

    .section-next_under-right_dis2 {
        ul {
            li {
                margin: 0 0.6rem;
            }
        }
    }

    /* For Good × Oen Tech セクション */
    .oentech-about {
        width: 100%;
        padding: 4rem 0 8rem;
        text-align: center;
    }

    .oentech-about .oentech-container {
        margin: 0 auto;
    }

    /* 注目のプロジェクトセクション */
    .oentech-projects {
        width: 100vw;
        position: relative;
        left: 50%;
        right: 50%;
        margin-left: -50vw;
        margin-right: -50vw;
        background-color: #F2F2F2;
        padding: 8rem 0;
    }

    .oentech-container {
        max-width: 800px;
        width: 100%;
    }

    .oentech-intro {
        display: flex;
        flex-direction: column;
        gap: 4rem;
        align-items: center;
    }

    .oentech-main-image {
        width: 100%;
        height: 420px;
        overflow: hidden;
        border-radius: 10px;

        img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
    }

    .oentech-intro-content {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 4rem;
    }

    .oentech-title {
        font-family: 'Zen Kaku Gothic New', sans-serif;
        font-weight: 900;
        font-size: 3.6rem;
        line-height: 1.4;
        text-align: center;
        color: #2f1b00;
    }

    .oentech-description {
        font-family: 'Noto Sans JP', sans-serif;
        font-weight: 500;
        font-size: 2rem;
        line-height: 4rem;
        text-align: center;
        color: #2f1b00;

        p {
            margin: 0;
        }
    }

    .oentech-support-status {
        border: 2px solid #fc2403;
        border-radius: 10px;
        padding: 2rem 4rem;
        box-shadow: 4px 4px 20px rgba(0, 0, 0, 0.1);
        background: white;
    }

    .support-status-title {
        font-family: 'Noto Sans JP', sans-serif;
        font-weight: 700;
        font-size: 1.6rem;
        text-align: center;
        color: #2f1b00;
        margin-bottom: 1rem;
    }

    .support-status-data {
        display: flex;
        gap: 6rem;
        justify-content: center;
        align-items: center;
        padding-top: 1rem;
        border-top: 1px solid rgba(0, 0, 0, 0.15);
    }

    .support-item {
        display: flex;
        gap: 0.5rem;
        align-items: center;
    }

    .support-icon {
        font-size: 2.4rem;
    }

    .support-label {
        font-family: 'Noto Sans JP', sans-serif;
        font-weight: 500;
        font-size: 1.8rem;
        color: #2f1b00;
        margin: 0;
    }

    .support-value {
        font-family: 'Noto Sans JP', sans-serif;
        font-weight: 700;
        font-size: 2.6rem;
        line-height: 4rem;
        color: #2f1b00;
        margin: 0;
    }

    /* 台湾の社会的インパクトプロジェクト */
    .taiwan-impact-section {
        width: 100%;
        margin: 6rem auto;
        display: flex;
        justify-content: center;
    }

    .taiwan-impact-container {
        max-width: 800px;
        width: 100%;
    }

    .taiwan-impact-content {
        display: flex;
        flex-direction: column;
        gap: 2.5rem;
        margin-bottom: 4rem;
    }

    .taiwan-impact-title {
        font-family: 'Zen Kaku Gothic New', sans-serif;
        font-weight: 900;
        font-size: 4.8rem;
        line-height: 8rem;
        text-align: center;
        color: #2f1b00;
        margin: 0;
    }

    .taiwan-impact-description {
        font-family: 'Noto Sans JP', sans-serif;
        font-weight: 500;
        font-size: 1.8rem;
        line-height: 2.8rem;
        color: #2f1b00;
        margin: 0;
    }

    .taiwan-impact-cta {
        display: flex;
        justify-content: center;
    }

    .taiwan-impact-btn {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.3rem;
        background: #ca4f02;
        color: white;
        font-family: 'Zen Kaku Gothic New', sans-serif;
        font-weight: 900;
        font-size: 2.2rem;
        line-height: normal;
        letter-spacing: -0.44px;
        padding: 1.2rem 4rem 1.5rem;
        border: 2.5px solid white;
        border-radius: 50px;
        box-shadow: 4px 4px 20px rgba(0, 0, 0, 0.1);
        text-decoration: none;
        transition: all 0.3s ease;
        width: 317px;
        height: 63px;
        position: relative;
    }

    .taiwan-impact-btn:hover {
        background: #b44502;
        transform: translateY(-2px);
        box-shadow: 4px 6px 24px rgba(0, 0, 0, 0.15);
    }

    .btn-arrow-circle {
        width: 30px;
        height: 30px;
        flex-shrink: 0;
        position: absolute;
        right: 20px;
        display: block;
    }

    .main-project-npo {
        .achievement-list-favorite {
            max-width: 90%;
            gap: 3rem 2rem;

            .slide-card {
                width: 26rem;

                .project-card {
                    width: 26rem;

                    .project-card-title {
                        height: 90px;
                    }
                }
            }
        }
    }

    .main-flow {
        img {
            width: 80%;
            display: flex;
            margin: auto;
            padding-bottom: 2rem;
        }
    }

    /* メッセージセクション - 新デザイン */
    .message-section {
        width: 100%;
        margin: 6rem auto;
        display: flex;
        justify-content: center;
    }

    .message-wrapper {
        max-width: 800px;
        width: 90%;
        background: rgba(255, 255, 255, 0.95);
        border-radius: 30px;
        padding: 4rem;
        display: flex;
        flex-direction: column;
        gap: 3rem;
    }

    .message-title-border {
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        padding-bottom: 3rem;
        text-align: center;
    }

    .message-section-title {
        font-family: 'Zen Kaku Gothic New', sans-serif;
        font-weight: 900;
        font-size: 3rem;
        line-height: normal;
        color: #2f1b00;
        margin: 0;
    }

    .message-item {
        display: flex;
        gap: 4rem;
        padding-bottom: 3rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    .message-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .message-photo {
        flex-shrink: 0;
        width: 160px;
        height: 160px;
        border-radius: 10px;
        overflow: hidden;

        img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
    }

    .message-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .message-from {
        font-family: 'Noto Sans JP', sans-serif;
        font-weight: 900;
        font-size: 1.8rem;
        line-height: 2.8rem;
        letter-spacing: 0.9px;
        color: #2f1b00;
        margin: 0;
    }

    .message-text {
        font-family: 'Noto Sans JP', sans-serif;
        font-weight: 500;
        font-size: 1.6rem;
        line-height: 2.4rem;
        letter-spacing: 0.8px;
        color: #2f1b00;

        p {
            margin: 0 0 1rem 0;

            &:last-child {
                margin-bottom: 0;
            }
        }
    }

    .message-item-collapsed .message-text {
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
    }

    .message-toggle {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: 1rem;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0;
        align-self: flex-end;
    }

    .toggle-text {
        font-family: 'Noto Sans JP', sans-serif;
        font-weight: 500;
        font-size: 1.6rem;
        line-height: 2.4rem;
        color: #2f1b00;
    }

    .toggle-arrow {
        width: 10px;
        height: 6px;
        transition: transform 0.3s ease;
    }

    .toggle-arrow-up {
        transform: rotate(180deg);
    }

    .message-toggle:hover .toggle-text {
        opacity: 0.7;
    }

    .main-message {
        padding-bottom: 2rem;

        .message-container {
            width: 90%;
            display: flex;
            margin: 2rem auto;
            padding: 4%;
            box-shadow: 0 0 1rem rgba(0, 0, 0, .12);
            border-radius: 1rem;
            gap: 3rem;

            picture {
                margin: auto;

                img {
                    width: 20rem;
                }
            }

            .message-text-area {
                line-height: 2.8rem;

                .message-for {
                    margin: 1rem 0;

                    span {
                        font-weight: 400;
                        padding-left: 0.5rem;
                    }
                }

                p {
                    font-weight: 400;
                }
            }
        }
    }

    /* Oen Tech紹介セクション */
    .oentech-intro-section {
        width: 100%;
        margin: 6rem auto;
        display: flex;
        justify-content: center;
    }

    .oentech-intro-box {
        max-width: 800px;
        width: 90%;
        background: #f2f2f2;
        border-radius: 20px;
        padding: 3rem 4rem;
        display: flex;
        gap: 4rem;
        align-items: flex-start;
    }

    .oentech-logo {
        flex-shrink: 0;
        width: 160px;
        height: 160px;

        img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
    }

    .oentech-info {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .oentech-name {
        font-family: 'Noto Sans JP', sans-serif;
        font-weight: 900;
        font-size: 2rem;
        line-height: normal;
        letter-spacing: 1px;
        color: #2f1b00;
        margin: 0;
    }

    .oentech-detail {
        font-family: 'Noto Sans JP', sans-serif;
        font-weight: 500;
        font-size: 1.6rem;
        line-height: 2.6rem;
        letter-spacing: 0.8px;
        color: #2f1b00;
        margin: 0;
    }

    .oentech-link {
        display: flex;
        justify-content: flex-start;
    }

    .oentech-site-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        background: white;
        color: #2f1b00;
        font-family: 'Zen Kaku Gothic New', sans-serif;
        font-weight: 900;
        font-size: 1.8rem;
        line-height: normal;
        letter-spacing: -0.36px;
        padding: 1.2rem 2.5rem 1.2rem;
        border: 2px solid #2f1b00;
        border-radius: 50px;
        box-shadow: 4px 4px 20px rgba(0, 0, 0, 0.1);
        text-decoration: none;
        transition: all 0.3s ease;
    }

    .oentech-site-btn:hover {
        background: #f5f5f5;
        transform: translateY(-2px);
        box-shadow: 4px 6px 24px rgba(0, 0, 0, 0.15);
    }

    .btn-arrow-black {
        width: 10px;
        height: 15px;
        flex-shrink: 0;
    }

    .main-topic-report {
        .topic-report-list {
            display: flex;
            margin: auto;
            justify-content: center;

            .topic-report {
                width: 30rem;
                margin: auto;

                a {
                    color: black;

                    .topic-report-img {
                        img {
                            width: 30rem;
                        }
                    }

                    .topic-report-date {
                        color: gray;
                    }
                }
            }
        }

        .no-topic-report {
            text-align: center;

            img {
                width: 7rem;
            }

            p {
                padding-top: 1rem;
                color: #B3B3B3;
                font-size: 2rem;
                font-weight: 400;
                letter-spacing: 0.2rem;
            }
        }
    }

    .link-btn::before,
    .link-btn::after {
        content: none;
    }
}

@media (max-width: 768px) {

    .main-message *,
    .main-topic-report * {
        flex-direction: column;
    }

    .feature-section-main {
        .br-sp {
            display: inline;
        }

        .share-title {
            padding-top: 2rem;
        }

        /* Oen Tech セクション - モバイル対応 */
        .oentech-about {
            margin: 2rem auto;
        }

        .oentech-container {
            max-width: 100%;
            padding: 0 1rem;
        }

        .oentech-intro {
            gap: 2rem;
        }

        .oentech-main-image {
            height: 250px;
        }

        .oentech-intro-content {
            gap: 2rem;
        }

        .oentech-title {
            font-size: 2.4rem;
            line-height: 1.5;
        }

        .oentech-description {
            font-size: 1.6rem;
            line-height: 2.8rem;
        }

        .oentech-support-status {
            padding: 2rem;
        }

        .support-status-data {
            flex-direction: column;
            gap: 2rem;
        }

        .support-item {
            width: 100%;
            justify-content: center;
        }

        .support-value {
            font-size: 2.2rem;
        }

        /* 台湾の社会的インパクトプロジェクト - モバイル */
        .taiwan-impact-section {
            margin: 4rem auto;
        }

        .taiwan-impact-container {
            max-width: 100%;
            padding: 0 1.5rem;
        }

        .taiwan-impact-content {
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .taiwan-impact-title {
            font-size: 3rem;
            line-height: 5rem;
        }

        .taiwan-impact-description {
            font-size: 1.6rem;
            line-height: 2.6rem;
        }

        .taiwan-impact-btn {
            width: 100%;
            max-width: 280px;
            font-size: 2rem;
            padding: 1rem 3rem 1.3rem;
            height: auto;
        }

        .main-project-npo {
            .achievement-list-favorite {
                max-width: 95%;

                .slide-card {
                    width: 100%;
                    margin: auto;

                    .project-card {
                        width: 100%;
                    }
                }
            }
        }

        .main-flow {
            img {
                width: 100%;
                padding-bottom: 5rem;
            }
        }

        .main-message {
            padding-top: 0.5rem;
            margin-left: calc(50% - 50vw);
            margin-right: calc(50% - 50vw);
            background-color: #F7F7F7;

            .message-container {
                box-shadow: none;
                border-radius: unset;

                .message-text-area {
                    .message-for {
                        text-align: center;
                    }
                }
            }
        }

        /* Oen Tech紹介 - モバイル */
        .oentech-intro-section {
            margin: 4rem auto;
        }

        .oentech-intro-box {
            width: 95%;
            flex-direction: column;
            padding: 2rem;
            gap: 2rem;
        }

        .oentech-logo {
            width: 120px;
            height: 120px;
            margin: 0 auto;
        }

        .oentech-info {
            gap: 1.2rem;
        }

        .oentech-name {
            font-size: 1.8rem;
            text-align: center;
        }

        .oentech-detail {
            font-size: 1.4rem;
            line-height: 2.4rem;
        }

        .oentech-link {
            justify-content: center;
        }

        .oentech-site-btn {
            width: 100%;
            max-width: 100%;
            font-size: 1.6rem;
            padding: 1rem 2rem;
        }

        /* メッセージセクション - モバイル */
        .message-wrapper {
            width: 95%;
            padding: 2rem 1.5rem;
            gap: 2rem;
        }

        .message-title-border {
            padding-bottom: 2rem;
        }

        .message-section-title {
            font-size: 2rem;
        }

        .message-item {
            flex-direction: column;
            gap: 1.5rem;
            padding-bottom: 2rem;
        }

        .message-photo {
            width: 120px;
            height: 120px;
            margin: 0 auto;
        }

        .message-from {
            font-size: 1.4rem;
            line-height: 2.2rem;
            text-align: center;
        }

        .message-text {
            font-size: 1.3rem;
            line-height: 2rem;
        }

        .toggle-text {
            font-size: 1.4rem;
        }

        /* プロジェクトタブ - モバイル */
        .project-tabs {
            margin: 2rem 0 0 0;
        }

        .tab-container {
            gap: 0;
            max-width: 100%;
            padding: 0 1rem;
        }

        .project-tab {
            flex: 1;
            flex-direction: column;
            padding: 1rem;
            gap: 0.5rem;
            border-radius: 10px 10px 0 0;
        }

        .project-tab.active::after {
            bottom: -10px;
            border-left: 10px solid transparent;
            border-right: 10px solid transparent;
            border-top: 10px solid #fc6203;
        }

        .tab-icon {
            width: 50px;
            height: 50px;
        }

        .tab-icon img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .tab-text {
            font-size: 1.4rem;
            line-height: 2rem;
            font-weight: 700;
        }

        /* プロジェクトリストコンテナ - モバイル */
        .project-list-container {
            margin: 0 1rem;
            border-width: 0 2px 2px;
            border-radius: 0 0 15px 15px;
            padding: 3rem 2rem;
            gap: 3rem;
        }

        .achievement-list-favorite {
            flex-direction: column;
            gap: 2rem;
        }
    }
}

/* プロジェクトタブナビゲーション */
.project-tabs {
    width: 100%;
    margin: 5rem 0 0 0;
}

.tab-container {
    display: flex;
    gap: 0;
    max-width: 1000px;
    margin: 0 auto;
}

.project-tab {
    flex: 1;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 1.5rem 4rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 20px 20px 0 0;
    font-family: 'Noto Sans JP', sans-serif;
    position: relative;
}

.project-tab.active {
    background: #fc6203;
}

.project-tab.active::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 20px solid #fc6203;
    z-index: 1;
}

.project-tab:not(.active) {
    background: #919191;
}

.tab-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
}

.tab-icon svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tab-text {
    font-weight: 900;
    font-size: 2.8rem;
    line-height: 4rem;
    color: white;
    white-space: nowrap;
}

/* プロジェクトリストコンテナ（オレンジボーダー） */
.project-list-container {
    max-width: 1000px;
    margin: 0 auto;
    border: 0 solid #fc6203;
    border-width: 0 3px 3px;
    border-radius: 0 0 20px 20px;
    padding: 4rem;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

/* タブコンテンツ */
.tab-content {
    display: none;
    width: 100%;
}

.tab-content.active {
    display: block;
}

/* 台湾プロジェクトカードの初期表示制御 */
.taiwan-card[data-page="2"] {
    display: none;
}

.taiwan-card[data-page="1"] {
    display: flex;
}

/* プロジェクトなしメッセージ */
.no-projects-message {
    text-align: center;
    padding: 6rem 2rem;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 2rem;
    color: #666;
}

/* プロジェクトカードグリッド */
.achievement-list-favorite {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem 3.33%;
    width: 100%;
}

/* ページネーション */
.project-pagination {
    width: 100%;
    display: flex;
    justify-content: center;
}

.project-pagination .pagination-custom {
    display: flex;
    gap: 1rem;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

#taiwan-page-numbers {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.project-pagination .page-item-custom {
    list-style: none;
}

.project-pagination .page-link-custom {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 3rem;
    height: 3rem;
    padding: 0 0.6rem;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    font-size: 1.8rem;
    line-height: 2.6rem;
    color: white;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.project-pagination .page-item-custom.active .page-link-custom {
    background: #2f1b00;
    color: white;
}

.project-pagination .page-item-custom:not(.active):not(.disabled) .page-link-custom:hover {
    background: rgba(0, 0, 0, 0.5);
}

.project-pagination .page-item-custom.disabled .page-link-custom {
    opacity: 0.5;
    cursor: not-allowed;
}