.container {
                max-width: 1980px;
                padding: 20px;
                margin-left: 20px;
            }

            .vertical-tabs-container {
                display: flex;
                flex-wrap: nowrap;
            }

            .nav-subjects {
                width: 350px;
                display: flex;
                flex-direction: column;
                gap: 8px;
                margin-right: 30px;
                flex-shrink: 0;
            }

            .subject-tab {
                padding: 15px 20px;
                cursor: pointer;
                border: 1px solid #ddd;
                border-radius: 8px;
                background-color: #f9f9f9;
                transition: background-color 0.3s, color 0.3s;
                text-align: left;
            }

            .subject-tab.active {
                background-color: #367c39;
                color: white;
                border-color: #ffffff;
            }

            .subject-tab:hover {
                transform: translateY(-5px);
                box-shadow: 0 12px 20px rgba(0, 0, 0, 0.2);
                transition: transform 0.6s ease, opacity 0.6s ease, box-shadow 0.6s ease !important;
            }

            .subject-info {
                padding: 25px;
                border: 1px solid #ddd;
                border-radius: 8px;
                background-color: #fff;
                box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
                display: none;
                max-width: 74vw;
                height: auto;
                flex-grow: 1;
            }

            .subject-info.active {
                display: block;
            }
            .subject-info > .couresName {
                color: #333;
                text-align: center;
                margin-bottom: 15px;
                font-size: 2em;

            }
            .subject-info > .courseNameSeparate {
                position: relative;
                width: 1010px;
                height: 2px;
                background-color: #4CAF50;
                margin-left: auto;
                margin-right: auto;
                margin-bottom: 45px;

            }
            .subject-info > .courseInfo {
                width: 95%;
                max-width: 1100px;
                margin: 40px auto;
                padding: 30px;
               

            }

            .courseInfoContainer {
                display: flex;
                flex-wrap: wrap;
                justify-content: space-between;
                gap: 2%;
            }

            .info-box {
                width: calc(50% - 1%);
                margin-bottom: 25px;
                border-top: 3px solid #367c39;
                padding: 25px;
                box-sizing: border-box;
                background-color: #fff;
                border-radius: 8px;
                box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
                transition: transform 0.3s ease, box-shadow 0.3s ease;
            }

            .info-box h2 {
                margin-top: 0;
                margin-bottom: 12px;
                color: #367c39;
                font-size: 1.4em;
                font-weight: 600;

            }
            .info-box p {
                color: #555;
                line-height: 1.6;
                font-size: 1.05em;
            }
            @media (max-width: 768px) {
                .info-box,
                .info-box-blue {
                    width: 100%;
                }
            }
            .subject-info > .couresText1 {
                color: #333;
                margin-bottom: 10px;
                font-size: 1.5em;
                margin-bottom: 45px;
                padding-left: 12px;
            }
            .subject-info > .couresText2 {
                margin-bottom: 45px;
                padding-left: 40px;
            }

            .roadmap-container {
                width: 100%;
                overflow: hidden;
                white-space: nowrap;
                position: relative;
                padding-left: 10px;
                margin-bottom: 15px;
                height: 170px;

            }

            .roadmap-item {
                display: inline-block;
                width: 160px;
                height: 150px;
                margin-right: 40px;
                padding: 15px;
                border-radius: 10px;
                background-color: #fff;
                box-shadow: 2px 5px rgba(0, 0, 0, 0.2);
                text-align: center;
                vertical-align: top;
                opacity: 0;
                animation: slideIn 0.8s ease-out forwards;
                animation-delay: calc(var(--delay) * 0.4s);
                position: relative;
            }

            .roadmap-item::after {
                content: '';
                position: absolute;
                top: 50%;
                right: -30px;
                transform: translateY(-50%);
                border-top: 15px solid transparent;
                border-bottom: 15px solid transparent;
                border-left: 15px solid #ddd;
            }

            .roadmap-item:last-child::after {
                display: none;
            }

            .roadmap-item:nth-child(1) {
                --delay: 1;
            }
            .roadmap-item:nth-child(2) {
                --delay: 2;
            }
            .roadmap-item:nth-child(3) {
                --delay: 3;
            }
            .roadmap-item:nth-child(4) {
                --delay: 4;
            }
            .roadmap-item:nth-child(5) {
                --delay: 5;
            }
            .roadmap-item:nth-child(6) {
                --delay: 6;
            }
            .roadmap-item:nth-child(7) {
                --delay: 7;
            }

            @keyframes slideIn {
                from {
                    opacity: 0;
                    transform: translateX(-60px);
                }
                to {
                    opacity: 1;
                    transform: translateX(0);
                }
            }

            .month {
                font-weight: bold;
                font-size: 1.1em;
                color: #367c39;
                margin-bottom: 8px;
            }

            .content {
                line-height: 1.4em;
                color: #555;
            }
            .courseIn {
                display: flex;
                position: relative;
                align-items: center;
                gap: 15px;
            }
            .courseIn > .courseNum {
                font-size: 25px;
                color: #367c39;
            }

            .courseIn > .separate {
                background-color: #D8D8D8;
                width: 2px;
                height: 18px;
            }
            .courseIn > .courseInName {
                font-size: 18px;
                position: relative;
                top: 3px;
                color: #367c39;
            }
            .benefits {
                width: 100%;
                background-color: #fff;

            }

            .benefit-group {
                margin-bottom: 30px;
                padding: 20px;
                border-radius: 8px;
                width: 100%;

            }

            .benefit-group:last-child {
                margin-bottom: 0;
            }

            .benefit-group ul li {
                margin-bottom: 10px;
                padding-left: 30px;
                position: relative;
                text-indent: -10px;

            }
           
            .benefit-group ul ul {
                margin-top: 5px;
                padding-left: 20px;
                margin-bottom: 5px;
            }

            .benefit-group ul li strong {
                font-weight: 600;
                color: #444;
            }
            .benefit-group > ul,
            .benefit-group > ul > li > ul {
                list-style: none;
                padding-top: 10px;
            }
            .itButtons {
                margin-top: 40px;
                max-width: 90%;
                position: relative;

            }

            .itButtons > .itButton1 {
                border-radius: 15px;
                text-decoration: none;
                position: relative;
                overflow: hidden;
                transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
                padding: 10px 20px;
                color: #4CAF50;
                font-weight: bold;
                box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
                z-index: 1;
                display: inline-block;
                text-align: center;
                line-height: 40px;
                background-color: transparent;
                border: 2px solid #4CAF50;

            }

            .itButtons > .itButton1:hover {
                background-color: #4CAF50;
                color: white;
                cursor: pointer;
                transform: translateY(-5px) scale(1.05);
                box-shadow: 0 8px 12px rgba(0, 0, 0, 0.3);
            }

            .itButtons > .itButton1 .fa-arrow-right {
                margin-left: 8px;
                transition: transform 0.3s ease;
            }

            .itButtons > .itButton1:hover .fa-arrow-right {
                transform: translateX(5px);
            }

            .inItButton1 {
                width: 100px;
                text-align: center;
                color: white;
                border-radius: 15px 0 0 15px;
                border: 1px solid #fff;
            }

            
            @media (max-width: 1600px) {

               

                .vertical-tabs-container {
                    flex-direction: row; 
                }

                .nav-subjects {
                    width: 300px;
                    margin-right: 0;
                    margin-bottom: 20px;
                }

                .subject-tab {
                    padding: 10px 15px;
                }

                .subject-info {
                    flex: 1;
        max-width: calc(100% - 320px);

                }
                .subject-info > .couresName {
                    font-size: 1.8em;
                }

                .subject-info > .courseNameSeparate {
                    width: 90%;
                    margin-bottom: 25px;
                }
                .subject-info > .couresText1 {
                    font-size: 1.2em;
                    margin-bottom: 25px;
                    padding-left: 0;

                }
                .subject-info > .couresText2 {
                    padding-left: 10px;
                }

                .roadmap-container {

                    height: auto;
                    padding-bottom: 0;
                    display: flex;
                    flex-direction: row;
                    align-items: center;
                }

                .roadmap-item {
                    width: 160px;
                    margin-right: 20px;
                    margin-bottom: 10px;
                    display: block;
                    height: 140px;
                    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
                }

                .roadmap-item::after {
                    display: none;
                }

                .benefit-group h3 {
                    font-size: 1.3em;
                }
                .benefit-group ul li {
                    font-size: 0.95em;
                    padding-left: 20px;
                }
                .benefit-group ul li i {
                    top: 2px;

                }
                
            }

            @media (max-width: 480px) {

               

                .subject-info > .couresName {
                    font-size: 1.5em;
                }
                .subject-info > .couresText1 {
                    font-size: 1.1em;
                }

                .roadmap-item {
                    width: 120px;
                    margin-right: 10px;
                }
                .courseIn > .courseNum {
                    font-size: 20px;
                }
                .courseIn > .courseNum > i {
                    font-size: 25px;
                }
                .courseIn > .courseInName {
                    font-size: 16px;
                }
                .benefit-group h3 {
                    font-size: 1.2em;
                }
                .benefit-group ul li {
                    font-size: 0.9em;
                }

            }
            /* 태블릿 (1024px 이하) */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 15px;
        margin-left: 0;
    }

    .nav-subjects {
        width: 280px;
        margin-right: 20px;
    }

    .subject-info {
        max-width: calc(100% - 300px);
        padding: 20px;
    }

    .subject-info > .couresName {
        font-size: 1.7em;
    }

    .subject-info > .courseNameSeparate {
        width: 100%;
        max-width: 800px;
    }

    .subject-info > .courseInfo {
        padding: 20px;
    }

    .roadmap-container {
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 10px;
    }

    .roadmap-item {
        width: 140px;
        height: 130px;
        margin-right: 20px;
    }
}

/* 중간 태블릿 (768px 이하) */
@media (max-width: 768px) {
    .vertical-tabs-container {
        flex-direction: column;
    }

    .nav-subjects {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        margin-right: 0;
        margin-bottom: 20px;
        gap: 10px;
        padding-bottom: 10px;
        white-space: nowrap;
    }

    .subject-tab {
        min-width: 150px;
        flex-shrink: 0;
        padding: 12px 16px;
        text-align: center;
    }

    .subject-info {
        max-width: 100%;
        padding: 15px;
    }

    .subject-info > .couresName {
        font-size: 1.5em;
    }

    .subject-info > .couresText1 {
        font-size: 1.2em;
        padding-left: 0;
        margin-bottom: 25px;
    }

    .subject-info > .couresText2 {
        padding-left: 15px;
        margin-bottom: 25px;
    }

    .courseInfoContainer {
        gap: 15px;
    }

    .info-box {
        width: 100%;
        margin-bottom: 15px;
        padding: 20px;
    }

    .roadmap-container {
        height: auto;
        padding-left: 0;
    }

    .roadmap-item {
        width: 130px;
        height: 120px;
        margin-right: 15px;
    }

    .roadmap-item::after {
        display: none;
    }

    .benefit-group {
        padding: 15px;
        margin-bottom: 20px;
    }

    .courseIn > .courseNum {
        font-size: 22px;
    }

    .courseIn > .courseInName {
        font-size: 16px;
    }
}

/* 모바일 (480px 이하) */
@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .nav-subjects {
        gap: 8px;
    }

    .subject-tab {
        min-width: 120px;
        padding: 10px 12px;
        font-size: 0.9em;
    }

    .subject-info {
        padding: 12px;
    }

    .subject-info > .couresName {
        font-size: 1.3em;
        margin-bottom: 10px;
    }

    .subject-info > .courseNameSeparate {
        margin-bottom: 20px;
    }

    .subject-info > .couresText1 {
        font-size: 1.1em;
        margin-bottom: 20px;
    }

    .subject-info > .couresText2 {
        padding-left: 10px;
        margin-bottom: 20px;
        font-size: 0.95em;
    }

    .subject-info > .courseInfo {
        margin: 20px auto;
        padding: 15px;
    }

    .info-box {
        padding: 15px;
        margin-bottom: 12px;
    }

    .info-box h2 {
        font-size: 1.2em;
        margin-bottom: 8px;
    }

    .info-box p {
        font-size: 0.95em;
    }

    .roadmap-item {
        width: 110px;
        height: 100px;
        margin-right: 10px;
        padding: 10px;
    }

    .month {
        font-size: 1em;
        margin-bottom: 5px;
    }

    .content {
        font-size: 0.85em;
        line-height: 1.3;
    }

    .courseIn {
        gap: 10px;
    }

    .courseIn > .courseNum {
        font-size: 20px;
    }

    .courseIn > .courseInName {
        font-size: 15px;
    }

    .benefit-group {
        padding: 12px;
        margin-bottom: 15px;
    }

    .benefit-group ul li {
        font-size: 0.9em;
        padding-left: 20px;
        margin-bottom: 8px;
    }

    .benefit-group ul ul {
        padding-left: 15px;
    }

    .itButtons {
        margin-top: 20px;
    }

    .itButtons > .itButton1 {
        padding: 8px 16px;
        line-height: 35px;
        font-size: 0.9em;
    }
}

/* 작은 모바일 (360px 이하) */
@media (max-width: 360px) {
    .container {
        padding: 8px;
    }

    .subject-tab {
        min-width: 100px;
        padding: 8px 10px;
        font-size: 0.85em;
    }

    .subject-info {
        padding: 10px;
    }

    .subject-info > .couresName {
        font-size: 1.2em;
    }

    .subject-info > .couresText1 {
        font-size: 1em;
    }

    .subject-info > .couresText2 {
        font-size: 0.9em;
        padding-left: 5px;
    }

    .roadmap-item {
        width: 95px;
        height: 90px;
        margin-right: 8px;
        padding: 8px;
    }

    .month {
        font-size: 0.9em;
    }

    .content {
        font-size: 0.8em;
    }

    .courseIn > .courseNum {
        font-size: 18px;
    }

    .courseIn > .courseInName {
        font-size: 14px;
    }

    .info-box {
        padding: 12px;
    }

    .info-box h2 {
        font-size: 1.1em;
    }

    .info-box p {
        font-size: 0.9em;
    }

    .benefit-group ul li {
        font-size: 0.85em;
        padding-left: 15px;
    }
}