@keyframes biz-ring-spin {
    to {
        --biz-angle: 360deg;
    }
}

@media (min-width: 1920px) {
    .prod_carousel {
        margin-left: 0;
        max-width: 100%;
    }
}

@media (max-width: 1600px) {
    .prod_name {
        font-size: 2.8rem;
    }
}
@media (max-width: 1440px) {
    .desktop {
        display: none;
    }

    .biz_diagram {
        margin-top: 8.8rem;
    }
    .es_business .es_label {
        margin-left: 3.3rem;
    }
    .es_intro .intro_row {
        flex-direction: column;
        gap: 2.4rem;
        padding-left: 0;
    }

    .es_switch_item {
        min-height: 64rem;
        padding: 5.8rem 3rem 3.4rem 3rem;
    }

    .switch_head {
        gap: 2.2rem;
    }

    .switch_title {
        font-size: 3.4rem;
    }
    .switch_desc {
        font-size: 2rem;
    }
    .switch_brand_sansu {
        width: 18.3rem;
    }
    .switch_brand_wecycle {
        width: 12.9rem;
    }
    .switch_more {
        font-size: 1.8rem;
    }

    /*  */
    /*  */
    /*  */

    .proc_steps {
        --proc-gap: 6rem;

        grid-template-columns: repeat(2, 1fr);
        row-gap: 6rem;
    }

    /* 기존 4열용 세로선 규칙 초기화 */
    .proc_steps li:not(:first-child)::before {
        display: none;
    }

    /* 세로선: 2열이므로 짝수번째(오른쪽 칸) 왼쪽에만 */
    .proc_steps li:nth-child(2n)::before {
        display: block;
        content: "";
        position: absolute;
        top: 0;
        left: calc(var(--proc-gap) / -2);
        width: 0.1rem;
        height: 100%;
        background-color: var(--whiteCACFCE);
    }

    /* 가로선: 3번째 이후(=두 번째 줄부터) 위쪽에 */
    .proc_steps li:nth-child(n + 3)::after {
        content: "";
        position: absolute;
        top: calc(var(--proc-gap) / -2);
        left: 50%;
        transform: translateX(-50%);
        width: 100%;
        height: 0.1rem;
        background-color: var(--whiteCACFCE);
    }

    /* 2열에서는 줄바꿈 허용 (텍스트가 넘칠 수 있음) */
    .proc_steps li strong,
    .proc_steps li span {
        white-space: normal;
    }

    /* ===== Awards: 4열 → 2열 ===== */
    .award_list {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(4, auto auto auto);
        max-width: 100%;
    }
    .award_list li {
        max-width: 100%;
    }

    /* 세로선: 전부 끄고 → 오른쪽 칸(짝수번째)에만 켜기 */
    .award_list li::before,
    .award_list li:nth-child(4n + 1)::before {
        display: none;
    }
    .award_list li:nth-child(2n)::before {
        display: block;
        height: 100%;
    }

    /* 가로선: 전부 끄고 → 3번째부터(두 번째 줄) 켜기 */
    .award_list li::after,
    .award_list li:nth-child(-n + 4)::after {
        display: none;
    }
    .award_list li:nth-child(n + 3)::after {
        display: block;
        width: 100%;
    }

    .award_list li:nth-child(2n)::before {
        display: block;
        top: 50%;
        transform: translateY(-50%);
        height: 64%;
    }

    /* 가로선: 3번째부터(두 번째 줄), 중간만 */
    .award_list li:nth-child(n + 3)::after {
        display: block;
        width: 80%;
    }

    .origin_title {
        font-size: 3.4rem;
        word-break: keep-all;
    }
    .origin_desc {
        font-size: 2rem;
    }
    .origin_point {
        font-size: 2.6rem;
    }
    .origin_point_sub {
        font-size: 2rem;
    }
    .origin_table .origin_table_head td {
        font-size: 2rem;
    }
    .origin_table .origin_table_data td {
        font-size: 1.8rem;
    }
    .origin_note {
        font-size: 1.8rem;
    }

    .sp_origin .inner {
        gap: 10rem;
        justify-content: space-between;
    }
    .origin_img {
        max-width: 41rem;
    }
    .sp_title {
        font-size: 3.4rem;
    }
    .proc_cycle li .proc_cycle_desc {
        font-size: 1.8rem;
        word-break: keep-all;
    }

    .wp_title {
        font-size: 3.8rem;
    }
    .wp_desc {
        font-size: 2.6rem;
    }
    .wp_note {
        font-size: 2rem;
    }
}

@media (max-width: 1024px) {
    .web {
        display: none;
    }
    .mobile {
        display: block;
    }
    .es_intro .intro_row {
        gap: 2rem;
    }
    .es_intro .en_title {
        font-size: 3.6rem;
    }
    .es_intro .intro_desc {
        font-size: 1.8rem;
    }
    .es_business {
        padding: 14rem 0 19.8rem;
    }
    .wp_item {
        padding: 14rem 3rem;
    }
    .wp_title {
        font-size: 3.4rem;
        margin-bottom: 2.4rem;
    }
    .wp_desc {
        font-size: 2.2rem;
        word-break: keep-all;
    }
    .wp_note {
        font-size: 1.8rem;
        margin-top: 4.2rem;
        word-break: keep-all;
    }
    .es_switch_item {
        min-height: 50rem;
    }
    .switch_title {
        font-size: 3rem;
    }
    .switch_desc {
        font-size: 1.8rem;
    }
    .switch_brand_sansu {
        width: 13.3rem;
    }
    .switch_brand_wecycle {
        width: 7.9rem;
    }
    .switch_more {
        font-size: 1.6rem;
    }
    .sp_products {
        padding: 14.3rem 0 0;
    }
    .sp_title {
        font-size: 3rem;
    }
    .prod_name {
        font-size: 2.4rem;
    }
    .prod_desc {
        font-size: 1.8rem;
    }
    .prod_sub {
        font-size: 1.6rem;
        width: 80%;
        word-break: keep-all;
    }
    .prod_img {
        max-width: 25.5rem;
    }
    .prod_line {
        width: 28rem;
    }
    .prod_progress {
        margin-top: 9.7rem;
        width: 100%;
    }

    .sp_origin {
        padding: 12.7rem 0 13.3rem;
    }
    .origin_title {
        font-size: 2.8rem;
    }
    .origin_desc {
        font-size: 1.6rem;
        margin-bottom: 4.8rem;
    }
    .origin_point {
        font-size: 2.2rem;
    }
    .origin_point_sub {
        font-size: 1.7rem;
        margin-bottom: 4.2rem;
    }
    .origin_table .th-circle {
        width: 5.4rem;
        font-size: 2rem;
    }
    .origin_table .origin_table_head td {
        font-size: 1.6rem;
        padding: 2rem 0 1.2rem;
    }
    .origin_table .origin_table_data td {
        font-size: 1.5rem;
    }
    .sp_origin .inner {
        gap: 4rem;
        padding: 0 3rem;
    }
    .origin_img {
        max-width: 31rem;
    }
    .origin_note {
        font-size: 1.6rem;
    }
    .sp_title {
        font-size: 2.8rem;
    }
    .proc_logo {
        max-width: 35rem;
    }
    .proc_check {
        width: 3.2rem;
        height: 3.2rem;
    }
    .proc_cycle li:not(:first-child)::before {
        right: calc(50% + 2.1rem + 0.9rem);
        width: calc(100% - 2.2rem - 3.8rem);
    }
    .proc_cycle li strong {
        font-size: 1.8rem;
        margin-bottom: 1.2rem;
    }
    .proc_cycle li .proc_cycle_desc {
        font-size: 1.5rem;
        word-break: keep-all;
    }
    .proc_bottle {
        position: absolute;
        top: -26.7rem;
        right: -0.6rem;
        width: 30rem;
        height: 33.3rem;
    }
    .sp_process {
        padding: 12.3rem 0 13.3rem;
    }
    .proc_safety {
        padding-top: 4rem;
    }
    .proc_head .origin_point_wrap {
        margin-top: 5.8rem;
    }
    .proc_zero {
        margin-top: 10.8rem;
        padding-left: 0;
    }
    .proc_zero .origin_point {
        font-size: 2.2rem;
    }
    .proc_steps li strong {
        font-size: 2rem;
    }
    .proc_steps li span {
        font-size: 1.8rem;
    }
    .sp_awards {
        padding: 14.1rem 3rem 10.6rem;
    }
    .award_list li img {
        max-width: 24rem;
        margin-bottom: 1.2rem;
    }
    .award_list li p {
        font-size: 2rem;
    }
    .award_list li span {
        font-size: 1.8rem;
    }
    .sp_awards .inner {
        padding-left: 0;
    }
    .sp_loop .inner {
        padding-left: 0;
        padding: 13.2rem 3rem 16.8rem;
    }
    .loop_title {
        font-size: 3rem;
    }
    .loop_desc {
        font-size: 2rem;
    }
    .loop_head {
        gap: 2.2rem;
    }
    .es_label {
        font-size: 2rem;
    }
    .recycled_list li img {
        width: 6rem;
    }
    .recycled_list li span {
        font-size: 1.7rem;
    }
    .loop_recycled {
        gap: 4.4rem;
    }
}

@media (max-width: 768px) {
    .es_intro {
        aspect-ratio: 375 / 605;
        width: 100%;
        max-height: 86rem;
        background: url("../../images/bg/eco_system_bg_m.png") no-repeat center bottom / cover;
        padding: 38.8666vw 3rem 11.6rem;
    }
    .mobile_del {
        display: none;
    }
    .es_intro .intro_row {
        gap: 0;
        align-items: center;
    }
    .es_intro .en_title {
        font-size: 2.8rem;
        text-align: center;
        color: var(--whiteFFFFFF);
    }
    .intro_label {
        font-size: 1.6rem;
        font-weight: 500;
        color: var(--greenABB9A9);
        margin-bottom: 1.6rem;
    }
    .intro_line {
        width: 5.4rem;
        height: 0.2rem;
        background-color: var(--whiteFFFFFF);
        opacity: 0.5;
        margin: 3.2rem auto;
    }
    .es_intro .intro_desc {
        font-size: 1.8rem;
        color: var(--whiteFFFFFF);
        text-align: center;
    }
    .w-mobile {
        display: block;
    }
    .wp_head {
        margin-bottom: 0;
    }
    .wp_title {
        font-size: 3.2rem;
        margin-bottom: 2.8rem;
    }
    .wp_desc {
        font-size: 2rem;
    }
    .wp_note {
        font-size: 1.6rem;
        margin-top: 4.6rem;
    }
    .wp_item {
        padding: 11rem 3rem;
    }
    .wp_leaf {
        width: 3rem;
        height: 3rem;
    }
    .wp_img {
        aspect-ratio: 326 / 410;
    }

    /*  */
    /*  */
    .sp_intro {
        aspect-ratio: 375 / 604;
        width: 100%;
        max-height: 86rem;
    }
    .sansu_intro {
        background: url(../../images/bg/sansu_bg_m.png) no-repeat center center / cover;
    }
    .wecycle_intro {
        background: url(../../images/bg/wecycle_bg_2.png) no-repeat center center / cover;
    }
    .sp_intro .inner {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.4rem;
        height: 100%;
    }
    .wecycle_intro .inner {
        gap: 0;
    }
    .sp_desc {
        font-size: 1.8rem;
        font-weight: 400;
        line-height: 1.7;
        text-align: center;
        color: var(--whiteFFFFFF);
    }
    .sansu_intro .sp_intro_logo {
        width: 25.4rem;
        height: 5.2rem;
        margin-bottom: 2rem;
    }
    .wecycle_intro .sp_intro_logo {
        width: 27rem;
        height: 19.4rem;
    }

    /*  */
    /*  */
    .es_business {
        padding: 8rem 0 0;
    }
    .es_business .inner {
        text-align: center;
    }
    .es_business .es_label {
        padding-bottom: 0;
        margin-left: 0;
        border-bottom: none;
    }
    .biz_diagram {
        display: none;
    }
    .biz_mobile {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4rem;
        margin-top: 6.5rem;
    }

    /* ---------- 회전하는 원형 링 ---------- */
    .biz_ring {
        position: relative;
        width: 42rem;
        aspect-ratio: 1 / 1;
        border-radius: 50%;
        padding: 0.3rem;
        display: flex;
        align-items: center;
        justify-content: center;
        background: conic-gradient(from var(--biz-angle), #1177b5, #00da60, #1177b5);
        animation: biz-ring-spin 4s linear infinite;
    }

    .biz_ring_inner {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background: var(--whiteF4F8F6);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1.2rem;
    }

    .biz_ring_logo {
        width: 12rem;
        height: 3rem;
        object-fit: contain;
    }
    .biz_ring_text {
        font-size: 1.4rem;
        font-weight: 400;
        color: var(--gray999999);
    }

    /* ---------- 산수음료 | 위사이클 스위처 ---------- */
    .biz_switch_m {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        height: 7rem;
        background-color: var(--whiteFFFFFF);
        margin-top: 6.5rem;
    }
    .biz_switch_btn {
        display: flex;
        flex: 1;
        align-items: center;
        justify-content: center;
        gap: 0.8rem;
        border: none;
        cursor: pointer;
        opacity: 0.4;
        transition: opacity 0.3s ease;
    }
    .biz_switch_btn.is-active {
        opacity: 1; /* 선택된 탭만 선명하게 */
    }
    .biz_switch_symbol {
        width: 4.4rem;
        height: 2.4rem;
        object-fit: contain;
    }
    .biz_switch_name {
        font-size: 1.8rem;
        font-weight: 600;
        color: var(--black0F0F0F);
    }
    .biz_switch_divider {
        width: 0.1rem;
        height: 2.4rem;
        background-color: var(--grayDBDBDB);
    }
    .es_label {
        font-size: 2.4rem;
    }
    .prod_head {
        margin-left: 3rem;
    }
    .prod_carousel {
        padding-left: 0;
    }

    .prod_item {
        display: flex;
        text-align: center;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        opacity: 1;
    }
    .origin_text {
        padding-left: 0;
    }
    .sp_origin .inner {
        display: block;
    }
    .origin_bg {
        width: 100%;
        margin-bottom: 4.5rem;
    }
    .origin_table {
        max-width: 100%;
    }
    .origin_table .th-circle {
        width: 6.8rem;
        font-size: 2.2rem;
    }

    .proc_head {
        padding: 0 3rem;
    }
    .sp_process .inner {
        padding: 0;
    }
    .proc_safety_bg {
        padding-left: 3rem;
        margin-top: 1.6rem;
    }
    .proc_zero {
        padding: 0 3rem;
    }
    .prod_img {
        max-width: 35.5rem;
        margin-bottom: 0.3rem;
    }
    .award_list li {
        padding: 1rem 0rem 3.4rem;
    }
    .award_list li img {
        max-width: 18rem;
        margin-bottom: 1.2rem;
    }
    .award_list li p {
        font-size: 1.8rem;
    }
    .award_list li span {
        font-size: 1.6rem;
    }
    .loop_recycled {
        padding: 0;
    }
    .recycled_list {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 4.4rem;
    }
    .recycled_list li {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2.3rem;
    }
    .loop_infinity_icon {
        width: 10.3rem;
        height: 5rem;
        margin: 5.2rem auto 6.5rem;
    }

    .loop_visual_list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(4, auto auto auto);
        max-width: 100%;
        text-align: center;
        margin-bottom: 8.7rem;
    }
    .loop_visual_list li {
        position: relative;
        display: grid;
        grid-template-rows: subgrid;
        grid-row: span 3;
        justify-items: center;
        align-content: start;
        max-width: 100%;
        padding: 1.4rem 1rem 2.6rem;
    }
    .loop_visual_list li img {
        width: 100%;
        max-width: 6.45rem;
        aspect-ratio: 1 / 1;
        object-fit: contain;
        margin-bottom: 2.5rem;
    }

    .loop_visual_list li p {
        max-width: fit-content;
        font-size: 1.5rem;
        font-weight: 600;
        line-height: 1.6;
        color: var(--green005740);
        align-self: center;
    }
    .loop_visual_list li:nth-child(2n)::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 0.1rem;
        height: 80%;
        background-color: var(--grayDBDBDB);
    }

    .loop_visual_list li:nth-child(n + 3)::after {
        content: "";
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 85%;
        height: 0.1rem;
        background-color: var(--grayDBDBDB);
    }
}

@media (max-width: 480px) {
    .wp_item {
        padding: 6.7rem 3rem 10.8rem;
    }

    .wp_leaf {
        width: 2.4rem;
        height: 2.4rem;
        margin-bottom: 1.3rem;
    }
    .wp_title {
        font-size: 2.2rem;
    }
    .wp_note {
        font-size: 1.5rem;
    }
    .es_intro {
        padding: 45.8666vw 3rem 11.6rem;
    }
    .intro_label {
        font-size: 1.9rem;
        margin-bottom: 0.9rem;
    }
    .es_intro .en_title {
        font-size: 1.9rem;
    }
    .intro_line {
        width: 1.4rem;
        height: 0.1rem;
        margin: 2.6rem auto;
    }

    .es_intro .intro_desc {
        font-size: 1.4rem;
    }
    .es_business {
        padding: 3.8rem 0 0;
    }
    .es_business {
        padding: 3.8rem 0 0;
    }
    .es_label {
        font-size: 1.7rem;
    }
    .loop_label {
        color: var(--whiteFFFFFF);
        border-bottom: 0.2rem solid var(--whiteFFFFFF);
    }
    .biz_switch_name {
        font-size: 1.5rem;
    }

    .biz_ring {
        width: 32.6rem;
    }
    .wecycle_intro .sp_intro_logo {
        width: 13.5rem;
        height: 9.7rem;
    }
    .sansu_intro .sp_intro_logo {
        width: 12.7rem;
        height: 2.6rem;
    }
    .sp_desc {
        font-size: 1.5rem;
    }
    .wp_item {
        padding: 7rem 3rem 10.3rem;
    }
    .sp_title {
        font-size: 1.9rem;
    }
    .prod_img {
        max-width: 26.5rem;
    }
    .prod_name {
        font-size: 1.9rem;
        margin-bottom: 1rem;
    }
    .prod_desc {
        font-size: 1.5rem;
    }
    .prod_sub {
        font-size: 1.5rem;
    }
    .origin_title {
        font-size: 1.9rem;
    }
    .origin_leaf {
        width: 2rem;
        height: 2rem;
    }
    .origin_point_wrap {
        gap: 0.3rem;
    }
    .origin_point {
        font-size: 1.7rem;
    }
    .origin_point_box {
        gap: 1.6rem;
    }
    .origin_point_sub {
        font-size: 1.5rem;
        margin-bottom: 6rem;
    }
    .origin_table .th-circle {
        width: 5.2rem;
        font-size: 1.7rem;
    }
    .origin_table th {
        background: transparent;
        padding-top: 2.5rem;
    }
    .origin_table .origin_table_head td {
        font-size: 1.5rem;
        padding: 1.9rem 0 0.4rem;
    }
    .origin_table .origin_table_data td {
        font-size: 1.4rem;
        padding-bottom: 2.6rem;
    }
    .sp_origin {
        padding: 6.8rem 0 6.4rem;
    }
    .origin_note {
        font-size: 1.2rem;
        margin-top: 0.4rem;
    }
    .sp_process {
        padding: 4.6rem 0 9.4rem;
    }
    .proc_zero {
        margin-top: 9.2rem;
    }
    .proc_zero .origin_point {
        font-size: 1.7rem;
    }

    .proc_ico {
        height: 11rem;
        margin-bottom: 1.4em;
    }
    .proc_steps li strong {
        font-size: 1.6rem;
        margin-bottom: 1.3rem;
    }
    .proc_steps li span {
        font-size: 1.5rem;
    }
    .proc_steps {
        --proc-gap: 4rem;
        row-gap: 4rem;
    }
    .sp_awards {
        padding: 4.6rem 3rem 6rem;
    }
    .recycled_list {
        grid-template-columns: repeat(2, 1fr);
    }
    .award_list li img {
        max-width: 15rem;
        margin-bottom: 0.8rem;
    }
    .award_list li p {
        font-size: 1.5rem;
    }
    .award_list li span {
        font-size: 1.5rem;
        white-space: normal;
    }
    .sp_loop .inner {
        padding: 13.2rem 0 0;
    }

    .loop_leaf {
        width: 2.4em;
        height: 2.4rem;
    }
    .loop_head {
        gap: 1.3rem;
        padding: 0 3rem;
    }
    .loop_title {
        font-size: 2.2rem;
        margin-bottom: 0.7rem;
    }
    .loop_desc {
        font-size: 1.5rem;
    }

    .loop_recycled {
        background: var(--green005740);
        padding: 4.6rem 2.5rem 10.4rem;
    }
    .recycled_list li span {
        color: var(--whiteFFFFFF);
    }
    .recycled_list li img {
        filter: brightness(0) invert(1);
    }

    .loop_visual_list {
        padding: 0 2.5rem;
    }
}