.the-bom-about{
    --sedc-navy:#0f2d44;
    --sedc-navy-2:#113a59;
    --sedc-mint:#02bab4;
    --sedc-mint-hover:#02a7a2;
    --sedc-mint-active:#029590;
    --sedc-ink:#1b1d1f;
    --sedc-gray-800:#232529;
    --sedc-gray-600:#3a3e43;
    --sedc-gray-500:#40444a;
    --sedc-gray-400:#66696e;
    --sedc-gray-300:#7f8286;
    --sedc-light:#f7f7f9;
    --sedc-border:#f0f1f4;
    --sed-ink:#1b1d1f;
    --sed-gray-700:#2d3035;
    --sed-light-1:#fcfcfc;
    --sedb-navy:#0f2d44;
    --sedb-navy-2:#113a59;
    --sedb-mint:#02bab4;
    --sedb-mint-hover:#02a7a2;
    --sedb-mint-active:#029590;
    --sedb-ink:#113a59;
    --sedb-gray-800:#232529;
    --sedb-gray-600:#3a3e43;
    --sedb-gray-500:#40444a;
    --sedb-gray-400:#66696e;
    --sedb-gray-300:#7f8286;
    --sedb-light:#f7f7f9;
    --sedb-border:#ececed;
    --sedb-mint-tint:rgba(230,248,248,0.5);
    padding-top:120px;
    padding-bottom:0;
    background:#fff;
    color:var(--sedc-ink);
    font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",sans-serif;
    letter-spacing:-.03em;
    width:100%;
    max-width:none;
    margin:0;
    overflow-x:hidden;
}
html,body{overflow-x:hidden;}
.the-bom-about *{box-sizing:border-box;}
.the-bom-about a{text-decoration:none;}
.the-bom-about br{display:block !important;}
#top_btn{
    position:fixed !important;
    right:40px !important;
    bottom:40px !important;
    top:auto !important;
    left:auto !important;
    display:flex !important;
    align-items:center;
    justify-content:center;
    width:48px;
    height:48px;
    margin:0;
    padding:0;
    border:1px solid #0f3552;
    border-radius:50% !important;
    background:#113a59 !important;
    color:#fff;
    text-indent:0 !important;
    overflow:hidden;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    box-shadow:1px 4px 8px rgba(100,100,111,.2);
    z-index:1000;
    transition:opacity .25s ease,visibility .25s ease;
}
#top_btn.is-visible{opacity:1;visibility:visible;pointer-events:auto;}
#top_btn .fa{display:none !important;}
#top_btn .sound_only{
    position:absolute !important;
    width:1px !important;
    height:1px !important;
    margin:-1px !important;
    padding:0 !important;
    overflow:hidden !important;
    clip:rect(0,0,0,0) !important;
    white-space:nowrap !important;
    border:0 !important;
    font-size:0 !important;
    line-height:0 !important;
    color:transparent !important;
}
#top_btn::before{
    content:"";
    display:block;
    width:12px;
    height:12px;
    border-top:3px solid #fff;
    border-left:3px solid #fff;
    transform:translateY(2px) rotate(45deg);
}


.the-bom-about .sed-pi__eyebrow {
    opacity: 1;
}

.the-bom-about .te-number {
    border-bottom-color: #029590;
}

.the-bom-about .sed-info,
.the-bom-about .cbs-info p,
.the-bom-about .sedb-info p {
    color: #5f6368;
}

.section {
    padding: 0;
    display: flex;
    justify-content: center;
}
.wrapper {
    width:min(1400px,calc(100% - 60px))
}

.treatment-environment,
.about-consider {
    padding: 130px 0;
}

.faq {
    padding: 60px 0;
}

.sed-consider-zone .wrapper {
    width: 100% !important;
}

.treatment-procedure {
    padding: 100px 0;
    background: linear-gradient(132deg, rgb(230,248,248) 5%, #fff 22%, #fff 74%, rgb(230,248,248) 95%);
}

.sedc-consider__label {
    background-color: #F7F7F9 !important;
}
.sedc-consider__row {
    justify-content: center !important;
}
.sedc-consider__head {
    text-align: center !important;
    align-items: center !important;
}

.treatment-procedure .wrapper {
    display: flex;
    flex-direction: column;
    gap: 100px;
}

.sed-consider-zone {
    padding: 0 !important;
}

.tp-header {
    text-align: center;
}

.tp-heading {
    text-align: center;
}

.tp-steps {
    display: flex;
    flex-direction: column;
    padding: 0 160px;
}

.tp-step {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.tp-step__left {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    width: 131px;
}

.tp-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 24px;
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: -0.48px;
    color: #fff;
    white-space: nowrap;
    text-align: center;
}

.tp-connector {
    width: 2px;
    height: 127px;
    flex-shrink: 0;
    background: #02bab4;
}

.tp-step__content {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding-right: 40px;
}

.tp-step__title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -1.4px;
    color: #232529;
    margin: 0;
}

.tp-step__desc {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: -0.8px;
    color: #40444a;
    margin: 0;
}

.check-by-subject {
    padding: 130px 0;
    background: #fff;
}

.check-by-subject .wrapper {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.cbs-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    width: 100%;
}

.cbs-table-block {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 40px;
    width: 100%;
}

.cbs-title {
    margin: 0;
    padding: 20px 0;
    color: #232529;
    font-size: 30px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.9px;
}

.cbs-table-wrap {
    width: 100%;
}

.cbs-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    table-layout: fixed;
}

.cbs-table th,
.cbs-table td {
    position: relative;
    padding: 20px;
    color: #001422;
    font-size: 17px;
    line-height: 1.3;
    letter-spacing: -0.68px;
    word-break: break-word;
    vertical-align: middle;
}

.cbs-table th {
    height: 64px;
    background: #20313e;
    box-shadow: -1px 0 0 #20313e, 1px 0 0 #20313e;
    color: #fff;
    font-weight: 500;
    text-align: left;
}

.cbs-table th:first-child {
    width: 106px;
    border-radius: 10px 0 0 10px;
    text-align: center;
}

.cbs-table th:nth-child(2) {
    width: calc((100% - 106px) / 2);
}

.cbs-table th:nth-child(3) {
    width: calc((100% - 106px) / 2);
}

.cbs-table th:last-child {
    border-radius: 0 10px 10px 0;
}

.cbs-table thead th:nth-child(2)::before,
.cbs-table thead th:nth-child(3)::before {
    content: '';
    position: absolute;
    left: 0;
    top: calc(50% - 10px);
    z-index: 2;
    width: 1px;
    height: 20px;
    background: #4e5e68;
}

.cbs-table thead th:nth-child(3)::before {
    left: -1px;
}

.cbs-table tbody tr:nth-child(odd) {
    background: #fff;
}

.cbs-table tbody tr:nth-child(even) {
    background: #f7f7f9;
}

.cbs-table td {
    border-bottom: 1px solid #dcdee5;
    font-weight: 500;
}

.cbs-table td:first-child {
    width: 106px;
    text-align: center;
}

.cbs-table td:nth-child(2) {
    min-width: 200px;
    line-height: 1.2;
}

.cbs-table td:nth-child(2) strong {
    font-weight: 600;
}

.cbs-table td:nth-child(3)::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 1px;
    height: 20px;
    background: #bbbdc3;
    transform: translateY(-50%);
}

.cbs-info {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
}

.cbs-info img {
    flex: 0 0 18px;
    width: 18px;
    height: 18px;
    margin-top: 5px;
}

.cbs-info p {
    margin: 0;
    color: #7f8286;
    font-size: 18px;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: 0;
    word-break: break-word;
}

.the-bom-about .ta-only,
.the-bom-about .mo-only,
.the-bom-about .ta-mo-only {
    display:none !important;
}

.the-bom-about .pc-mo-only,
.the-bom-about .pc-only,
.the-bom-about .pc-ta-only
{display:block !important;}

.about-method__note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
    padding: 20px 36px;
    border: 1px solid #fcfcfc;
    border-radius: 10px;
    background: #f7f7f9;
    margin-top: 20px;
}

.about-method__note-dot {
    flex: 0 0 4px;
    width: 4px;
    height: 4px;
    margin-top: 9px;
    border-radius: 50%;
    background: #7f8286;
}

.about-method__note p {
    margin: 0;
    flex: 1 1 auto;
    min-width: 0;
    color: #66696e;
    font-size: 17px;
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: -0.68px;
    word-break: keep-all;
}

.about-maintain__extract {
    display: flex;
    flex-direction: column;
    gap: 30px;
    width: 100%;
    padding: 32px 32px 60px;
    border: 1px solid #f0f1f4;
    border-radius: 20px;
    background: #f7f7f9;
    margin-top: 40px;
}

.about-maintain__extract-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    align-self: flex-start;
    padding: 10px 30px 10px 20px;
    border-radius: 100px;
    background: #0f2d44;
    color: #fff;
}

.about-maintain__extract-badge span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 33px;
    width: 33px;
    height: 33px;
}

.about-maintain__extract-badge img {
    display: block;
    width: 22px;
    height: 16px;
}

.about-maintain__extract-badge strong {
    color: inherit;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.48px;
    white-space: nowrap;
}

.about-maintain__extract p {
    margin: 0;
    color: #232529;
    font-size: 22px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.44px;
    word-break: keep-all;
}

.treatment-environment {
    background-color: var(--sedc-light);
}

.treatment-environment .wrapper {
    display: flex;
    flex-direction: column;
    gap : 80px;
}

.header {
    display: flex;
    flex-direction: column;
    gap : 16px;
}

.heading2 {
    font-size: 40px;
    font-style: normal;
    font-weight: 700;
    line-height: 140%; /* 56px */
    letter-spacing: -1.2px;
    color : #113A59;
}

.label {
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 130%; /* 26px */
    letter-spacing: -0.6px;
    color : #66696E;
}

/* ===== Treatment Environment Items ===== */

.te-conbox {
    border-radius: 10px;
    overflow: hidden;
}

.te-conbox .te-text {
    background: #fff;
    padding: 60px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: flex-end;
}

.te-side {
    display: flex;
    align-items: stretch;
    border-radius: 10px;
    overflow: hidden;
}

.te-side .te-text {
    flex: 1 0 0;
    min-width: 0;
    background: #fff;
    padding: 60px;
    height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-end;
}

.te-img-half {
    flex: 1 0 0;
    min-width: 700px;
    height: 600px;
    position: relative;
    overflow: hidden;
}

.te-img-half img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.te-imgs {
    display: flex;
    gap: 10px;
    overflow: hidden;
}

.te-img-col {
    flex: 1 0 0;
    min-width: 0;
}

.te-img-col--full img {
    display: block;
    width: 100%;
    height: 550px;
    object-fit: cover;
}

.te-img-col--stack {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.te-img-col--stack img {
    display: block;
    width: 100%;
    height: 270px;
    object-fit: cover;
}

.te-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    width: 100%;
}

.te-side .te-content {
    gap: 20px;
}

.te-top {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 30px;
}

.te-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid #029590;
    padding-bottom: 5px;
}

.te-number span {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.68px;
    color: #029590;
}

.te-title {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.9px;
    color: #1b1d1f;
    margin: 0;
}

.te-desc p{
    font-size: 18px;
    font-weight: 500;
    line-height: 1.6;
    color: #1e2b33;
    margin: 0;
}

.te-desc p {
    margin: 0;
}

.te-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 15px 26px;
    border: 1px solid #dcdee5;
    border-radius: 10px;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.68px;
    color: #2d3035;
    flex-shrink: 0;
    transition: border-color .2s, color .2s;
}

.te-arrow {
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
}

@media (hover: hover) and (pointer: fine) {
    .te-btn:hover {
        border-color: #029590;
        color: #029590;
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .the-bom-about br,
    .the-bom-about .ta-only,
    .the-bom-about .pc-ta-only,
    .the-bom-about .ta-mo-only {
        display: block !important;
    }

    .the-bom-about .pc-only,
    .the-bom-about .mo-only,
    .the-bom-about .pc-mo-only {
        display: none !important;
    }

    .te-side {
        flex-direction: column;
        height: auto;
    }
    .te-side--rev {
        flex-direction: column-reverse;
    }
    .te-side .te-text {
        height: 437px;
        width: 100%;
        flex: none;
    }
    .te-img-half {
        height: 400px;
        width: 100%;
        flex: none;
    }
    .te-img-col--full img {
        height: 550px;
    }
    .te-img-col--stack img {
        height: 270px;
    }

    .tp-steps {
        padding: 0 60px;
    }
    .tp-step__content {
        padding-top : 0;
    }

    .sedb-benefit {
        padding: 100px 0 !important;
    }

    .cbs-table th:first-child,
    .cbs-table td:first-child {
        width: 106px;
    }

    .cbs-table th:nth-child(2),
    .cbs-table td:nth-child(2) {
        width: 240px;
        min-width: 240px;
    }

    .cbs-table th:nth-child(3),
    .cbs-table td:nth-child(3) {
        width: auto;
    }

    .tp-steps {
        padding: 0 60px;
    }
    .tp-step__content {
        padding-top : 0;
    }
}

@media (max-width: 767px) {
    .wrapper {
        width: min(335px, calc(100% - 40px));
    }

    .the-bom-about .pc-only,
    .the-bom-about .ta-only,
    .the-bom-about .pc-ta-only {
        display: none !important;
    }

    .the-bom-about br,
    .the-bom-about .mo-only,
    .the-bom-about .pc-mo-only,
    .the-bom-about .ta-mo-only{
        display: block !important;
    }

    .treatment-procedure {
        padding: 60px 0;
        background: linear-gradient(102deg, rgb(230,248,248) 5%, #fff 22%, #fff 74%, rgb(230,248,248) 95%);
    }

    .treatment-procedure .wrapper {
        gap: 40px;
    }

    .tp-header {
        width: 100%;
    }

    .tp-heading {
        font-size: 24px;
        line-height: 1.3;
        letter-spacing: -0.96px;
    }

    .tp-steps {
        align-items: center;
        justify-content: center;
        width: 100%;
        padding: 0;
    }

    .tp-step {
        flex-direction: column;
        align-items: center;
        gap: 0;
        width: 100%;
        text-align: center;
    }

    .tp-step__left {
        display: contents;
    }

    .tp-badge {
        order: 1;
        width: auto;
        padding: 6px 15px;
        border-radius: 80px;
        font-size: 16px;
        line-height: 24px;
        letter-spacing: -0.64px;
    }

    .tp-step__content {
        order: 2;
        align-items: center;
        width: 100%;
        padding: 8px 0;
        gap: 5px;
        text-align: center;
    }

    .tp-connector {
        order: 3;
        width: 2px;
        height: 40px;
    }

    .tp-step__title {
        width: 100%;
        font-size: 16px;
        line-height: 24px;
        letter-spacing: -0.32px;
        text-align: center;
    }

    .tp-step__desc {
        width: 100%;
        font-size: 14px;
        font-weight: 500;
        line-height: 1.5;
        letter-spacing: -1px;
        text-align: center;
    }

        .treatment-environment,
        .about-consider {
            padding: 60px 0;
        }
        .treatment-environment .wrapper {
            gap: 40px;
        }
        .te-side {
            flex-direction: column;
            height: auto;
        }
        .te-side--rev {
            flex-direction: column-reverse;
        }
        .te-side .te-text {
            height: auto;
            width: 100%;
            flex: none;
            padding: 24px;
            gap: 40px;
        }
        .te-img-half {
            height: 220px;
            width: 100%;
            flex: none;
        }
        .te-conbox .te-text {
            padding: 24px;
        }
        .te-content {
            gap: 16px;
        }
        .te-title {
            font-size: 21px;
            line-height: 150%; /* 21px */
            letter-spacing: -1px;
        }
        .te-desc, .te-desc p {
            font-size: 14px;
            font-weight: 500;
            line-height: 150%; /* 21px */
            letter-spacing: -1px;
            word-break: break-all;
        }
    .te-btn {
        font-size: 14px;
        font-style: normal;
        font-weight: 600;
        line-height: 130%; /* 18.2px */
        letter-spacing: -0.56px;
        width: 100%;
        padding: 14px 30px;
        height: 46px;
    }

    .te-top {
        gap : 20px;
    }

    .te-btn svg {
        width: 16px;
        height: 16px;
    }
        .te-number span {
            font-size: 14px;
            font-weight: 700;
            line-height: 130%; /* 18.2px */
            letter-spacing: -0.56px;
        }
        .te-imgs {
            gap: 5px;
            height: 200px;
            min-height: 200px;
        }
        .te-img-col {
            height: 100%;
        }
        .te-img-col--full img {
            height: 200px;
        }
        .te-img-col--stack {
            gap: 5px;
            height: 100%;
        }
        .te-img-col--stack img {
            flex: 1 1 0;
            min-height: 0;
            height: calc((200px - 5px) / 2);
        }
        .heading2 {
            font-size: 24px;
            font-style: normal;
            font-weight: 700;
            line-height: 130%; /* 31.2px */
            letter-spacing: -0.96px;
        }
        .label {
            font-size: 15px;
            font-style: normal;
            font-weight: 500;
            line-height: 130%; /* 19.5px */
            letter-spacing: -0.3px;
        }

    .check-by-subject {
        padding: 60px 0;
    }

    .check-by-subject .wrapper {
        gap: 40px;
    }

    .cbs-content,
    .cbs-table-block {
        gap: 28px;
    }

    .cbs-title {
        padding: 0;
        font-size: 21px;
        line-height: 1.3;
        letter-spacing: -0.63px;
    }

    .cbs-table {
        display: table;
        width: 100%;
        table-layout: fixed;
    }

    .cbs-table thead {
        display: table-header-group;
    }

    .cbs-table tbody {
        display: table-row-group;
    }

    .cbs-table tr {
        display: table-row;
    }

    .cbs-table th,
    .cbs-table td {
        display: table-cell;
        padding: 16px 10px;
        font-size: 14px;
        line-height: 1.3;
        letter-spacing: -0.56px;
        vertical-align: middle;
        text-align: left;
    }

    .cbs-table th {
        height: 44px;
        padding-top: 0;
        padding-bottom: 0;
        border-bottom: 0;
    }

    .cbs-table th:first-child,
    .cbs-table td:first-child {
        width: 38px;
        text-align: center;
    }

    .cbs-table th:nth-child(2),
    .cbs-table td:nth-child(2) {
        width: 120px;
        min-width: 0;
    }

    .cbs-table td:nth-child(2) strong {
        font-weight: 500;
    }

    .cbs-table th:nth-child(3),
    .cbs-table td:nth-child(3) {
        width: auto;
    }

    .cbs-table td::before {
        content: none;
    }

    .cbs-table thead th:nth-child(2)::before,
    .cbs-table thead th:nth-child(3)::before {
        display: block;
        height: 20px;
    }

    .cbs-table td:nth-child(3)::before {
        content: '';
        display: block;
        height: 20px;
    }

    .cbs-info {
        gap: 8px;
    }

    .cbs-info img {
        width: 15px;
        height: 15px;
        flex-basis: 15px;
        margin-top: 1px;
    }

    .cbs-info p {
        font-size: 14px;
        line-height: 1.3;
        letter-spacing: -0.56px;
    }

        .about-maintain__extract {
            gap: 20px;
            padding: 24px 16px;
            border-radius: 14px;
        }

        .about-maintain__extract-badge {
            gap: 6px;
            padding: 8px 18px 8px 14px;
        }

        .about-maintain__extract-badge span {
            flex-basis: 24px;
            width: 24px;
            height: 24px;
        }

        .about-maintain__extract-badge img {
            width: 16px;
            height: 12px;
        }

        .about-maintain__extract-badge strong {
            font-size: 16px;
            letter-spacing: -0.32px;
        }

        .about-maintain__extract p {
            font-size: 15px;
            letter-spacing: -0.3px;
        }

        .about-method__note {
            gap: 8px;
            padding: 16px;
            border-radius: 10px;
        }

        .about-method__note-dot {
            margin-top: 7px;
        }

        .about-method__note p {
            font-size: 13px;
            font-style: normal;
            font-weight: 500;
            line-height: 130%; /* 16.9px */
            letter-spacing: -0.52px;
            word-break: break-word;
        }

        .sedc-container {
            margin-top: 40px;
        }
}