@charset "utf-8";

/* ==========================================================================
   1. COMMON / SUB NAV LAYOUT
   ========================================================================== */
#sub-nav {
    height: 568px;
}

#sub-nav .visual__wrap {
    height: 568px;
    overflow: hidden;
}

#sub-nav .visual__wrap .nav-title {
    text-align: left;
    max-width: 1400px;
    width: 100%;
    left: 50%;
    bottom: 231px;
    text-align: center;
    text-shadow: 0px 0px 20px rgba(0, 0, 0, 0.70)
}

#sub-nav .visual__wrap .nav-sub-title {
    text-align: left;
    max-width: 1400px;
    width: 100%;
    left: 50%;
    bottom: 341px;
    transform: translate(-50%, -70%);
    color: #58DDFF;
    position: absolute;
    font-size: clamp(18px, 2vw, 20px);
    text-align: center;
}

.nav-sub-title {
    letter-spacing: 1em;
    text-shadow: 0px 0px 20px rgba(0, 0, 0, 0.70)
}

#sub-nav .nav-route {
    background: #fff;
    border-bottom: 1px solid #d1d1d1;
}

#sub-nav .nav-route>ul {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

#sub-nav .nav-route>ul>li:first-child {
    width: auto;
    padding: 0 44px 0 0;
}

#sub-nav .nav-route>ul>li {
    padding: 0 44px;
    height: 15px;
    font-size: 20px;
    border-right: 1px solid #000;
    margin: 33px 0px;
    width: 270px;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

#sub-nav .nav-route>ul>li:last-child {
    border-right: none;
}

.nav-route>ul>li .pnav-ul,
.nav-route>ul>li .pnav-2ul {
    position: absolute;
    left: 0;
    top: 48px;
    border: 1px solid #ededed;
    background-color: #fff;
    z-index: 1;
    width: 100%;
    text-align: left;
    border-top: none;
}

.nav-route>ul>li .pnav-ul li ul.pnav-1ul li,
.nav-route>ul>li .pnav-2ul li ul.pnav-2ul li {
    border-bottom: 1px solid #e3e3e3;
    border-right: 1px solid #e3e3e3;
    transition: 0.3s;
    background: #fff;
    height: 50px;
    z-index: 99;
    padding: 0 30px;
    display: flex;
    align-items: center;
}

.nav-route>ul>li .pnav-ul li ul.pnav-1ul li a,
.nav-route>ul>li .pnav-2ul li ul.pnav-2ul li a {
    width: 100%;
}

.nav-route>ul>li .pnav-ul li ul.pnav-1ul li:first-child,
.nav-route>ul>li .pnav-2ul li ul.pnav-2ul li:first-child {
    border-top: 1px solid #e3e3e3;
}

.nav-route>ul>li .pnav-ul li .pnav-1a,
.nav-route>ul>li .pnav-2ul li .pnav-2a {
    display: block;
    font-size: 18px;
    height: 50px;
    line-height: 48px;
    font-weight: 400;
    cursor: pointer;
    padding: 0 25px;
    letter-spacing: -2px;
    position: relative;
}

.nav-route>ul>li .pnav-ul li .pnav-1a>span,
.nav-route>ul>li .pnav-2ul li .pnav-2a>span {
    display: block;
    content: '';
    position: absolute;
    background: url('../img/sub/nav-plus.png') no-repeat center;
    right: 15px;
    top: 50%;
    width: 16px;
    height: 12px;
    margin-top: -6px;
    transition: all 0.5s;
}

.nav-route>ul>li .pnav-ul li .pnav-1a .on,
.nav-route>ul>li .pnav-2ul li .pnav-2a .on {
    transform: rotate(180deg);
}

/* Common Responsive for Nav */
#sub-nav.sub2_1_bg {
    background-image: url('../img/sub/sub_visual_1.jpg');
}

#sub-nav.sub2_2_bg {
    background-image: url('../img/sub/sub_visual_1.jpg');
}

#sub-nav.sub2_3_bg {
    background-image: url('../img/sub/sub_visual_1.jpg');
}

#sub-nav.sub2_4_bg {
    background-image: url('../img/sub/sub_visual_1.jpg');
}

#sub-nav.sub2_5_bg {
    background-image: url('../img/sub/sub_visual_1.jpg');
}

@media screen and (max-width: 1440px) {
    #sub-nav.nav02 {
        background-size: auto;
    }

    #sub-nav .visual__wrap .nav-title,
    #sub-nav .visual__wrap .nav-sub-title {
        text-align: center;
    }

    #sub-nav .nav-route>ul>li {
        padding: 0 20px !important;
    }
}

@media screen and (max-width: 768px) {
    #sub-nav {
        height: 400px;
    }

    #sub-nav .visual__wrap {
        height: 400px;
    }

    #sub-nav .visual__wrap .nav-title {
        text-align: center;
        left: 50%;
        transform: translate(-50%, -50%);
        top: 70%;
    }

    #sub-nav .visual__wrap .nav-sub-title {
        text-align: center;
        left: 50%;
        transform: translate(-50%, -50%);
        top: 60%;
    }
}

@media screen and (max-width: 500px) {
    #sub-nav .visual__wrap .nav-title {
        text-align: left;
        left: calc(50% + 20px);
        top: 70%;
    }

    #sub-nav .visual__wrap .nav-sub-title {
        text-align: left;
        left: calc(50% + 20px);
        top: 80%;
    }
}


/* ==========================================================================
   2. SUB 2-1: CERTIFICATION & SLIDES
   ========================================================================== */
.sub2_1 {
    margin-top: clamp(40px, 4.4vw, 80px);
    margin-bottom: clamp(40px, 10vw, 140px);
}

.sub_content2_1 {
    text-align: center;
}

.sub_content2_1 .text_box .title {
    font-weight: bold;
    font-size: clamp(26px, 2vw, 50px);
    margin: 100px 0 45px 0;
    color: #091a2e;
}

.sub_content2_1 .text_box .sub-title {
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 300;
    line-height: 35px;
}

.sub_content2_1 .text_box .sub-title>.bold {
    font-weight: bold;
    color: #091a2e;
    display: inline;
}

.sub_content2_1 .content_box {
    margin-top: 67px;
}

.sub_content2_1 .content_box .switch {
    position: relative;
    width: 123px;
    padding: 30px 0 0 35px;
}

.sub_content2_1 .content_box .switch>span {
    color: #4089eb;
    font-weight: bold;
    position: absolute;
    right: 16%;
    top: 57%;
    transform: translate(-10%, -7%);
}

.sub_content2_1 .content_box.blue {
    background-color: #e5edf8;
    border-radius: 35px;
}

.sub_content2_1 .content_box.gray {
    background-color: #f7f7f7;
    border-radius: 35px;
}

.sub_content2_1 .content_box .img_box {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px 80px;
    gap: 55px;
    flex-wrap: wrap;
    position: relative;
}

.sub_content2_1 .content_box.blue .img_box>img {
    width: calc(50%);
    object-fit: contain;
    max-width: 677px;
    height: 434px;
}

.sub_content2_1 .content_box.gray .img_box>img {
    width: calc(50%);
    object-fit: contain;
    max-width: 642px;
    height: 371px;
}

.sub_content2_1 .content_box .detail_box {
    background: #fff;
    width: calc(50% - 55px);
    height: 340px;
    border-radius: 26px;
}

.sub_content2_1 .content_box .info_box {
    margin: 0 80px;
    display: flex;
}

.sub_content2_1 .content_box .info_box>div {
    border: 1px solid #000;
    border-radius: 35px;
    background-color: #fff;
    display: flex;
    flex: 1 1 40%;
}

.sub_content2_1 .content_box .info_box p.bg {
    background-color: #091a2e;
    border-radius: 35px;
    color: #fff;
    line-height: 70px;
    font-size: clamp(20px, 2vw, 24px);
    font-weight: 600;
    padding-left: 0;
    display: block;
    flex: 50%;
}

.sub_content2_1 .content_box .info_box p {
    text-align: center;
    font-size: clamp(18px, 2vw, 20px);
    font-weight: 300;
    padding-left: clamp(20px, 5.2vw, 100px);
    display: flex;
    gap: 17px;
    flex: 50%;
    align-items: center;
    line-height: 1.6em;
}

.sub_content2_1 .content_box .more {
    color: #3b78c9;
    font-weight: bold;
    padding: clamp(22px, 2vw, 55px) 0 clamp(22px, 2vw, 55px) 0;
    font-size: clamp(22px, 2vw, 24px);
    cursor: pointer;
}

.sub_content2_1 .content_box+.text_box {
    margin-top: 50px;
}

/* Sub 2-1 Slider & Certification */
.sub2_1 .slick-slider div {
    height: 100%;
}

.sub2_1 .slide_list .slick-slide>div,
.sub2_1 .slide_list2 .slick-slide>div {
    display: flex;
    justify-content: center;
    align-items: center;
}

.sub2_1 .is-dragging {
    pointer-events: none;
}

.sub2_1 .certification-wrap {
    height: 100%;
}

.sub2_1 .certification-wrap>.inner {
    position: relative;
    height: 100%;
}

.sub2_1 .certification-wrap>.img-wrap {
    display: none;
    height: 100%;
    justify-content: center;
    align-items: center;
}

.sub2_1 .slide_list .slick-slide,
.sub2_1 .slide_list2 .slick-slide {
    margin: 0 60px;
    transition: all ease 0.3s;
}

.sub2_1 .slide_list .img,
.sub2_1 .slide_list2 .img {
    box-sizing: border-box;
    padding: 0 30px;
}

.sub2_1 .slide_list .img img,
.sub2_1 .slide_list2 .img img {
    width: 100%;
    max-height: 490px;
}

.sub2_1 .slide_list .slick-center .img,
.sub2_1 .slide_list2 .slick-center .img {
    padding: 0;
}

.sub2_1 .slide_list .slick-center .img img,
.sub2_1 .slide_list2 .slick-center .img img {
    transform: scale(1);
}

.sub2_1 .slide_list .slick-center .cer-info .title,
.sub2_1 .slide_list2 .slick-center .cer-info .title {
    font-size: 38px;
    padding-top: 50px;
}

.sub2_1 .inner .cer__slide-prev.slick-arrow>img,
.sub2_1 .inner .cer__slide-next.slick-arrow>img,
.sub2_1 .inner .cer__slide-prev2.slick-arrow>img,
.sub2_1 .inner .cer__slide-next2.slick-arrow>img {
    width: 62px;
    height: 133px;
}

.sub2_1 .certification-wrap .slick-arrow {
    border-radius: 100%;
    position: absolute;
    z-index: 100;
    top: calc(50% - 0px);
    transform: translateY(-50%);
    cursor: pointer;
    background: rgb(186 186 186 / 10%);
    border-radius: 10px;
    height: 100%;
    width: 100%;
    max-width: 36px;
    max-height: 96px;
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.sub2_1 .certification-wrap .cer__slide-prev,
.sub2_1 .certification-wrap .cer__slide-prev2 {
    left: 50px;
}

.sub2_1 .certification-wrap .cer__slide-next,
.sub2_1 .certification-wrap .cer__slide-next2 {
    right: 50px;
}

.sub2_1 .inner .explan {
    position: absolute;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.67);
    text-align: center;
    width: 100%;
    z-index: 999;
    height: 150px;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 29px;
}

.sub2_1 .inner .explan h5 {
    font-size: 2em;
}

.sub2_1 .inner .explan p {
    font-weight: 400;
}

.sub2_1 .slick-slider div .img img {
    object-fit: none;
}

.slider-nav .slide-con,
.slider-nav2 .slide-con {
    padding: 15px 15px 0 0;
    position: relative;
}

/* Sub 2-1 Responsive */
@media screen and (max-width: 1440px) {
    .sub_content2_1 .content_box {
        flex-direction: column;
        padding: 0 120px;
    }
}

@media screen and (max-width: 1024px) {

    .sub_content2_1 .content_box.blue .img_box>img,
    .sub_content2_1 .content_box.gray .img_box>img {
        max-width: 632px;
        flex: 100%;
        width: 100%;
    }

    .sub_content2_1 .content_box .detail_box {
        width: 100%;
        height: 340px;
    }

    .sub2_1 .certification-wrap .slick-arrow {
        top: 50%;
    }

    .sub2_1 .slide_list .img img,
    .sub2_1 .slide_list2 .img img {
        max-height: 300px;
    }

    .sub_content2_1 .text_box .sub-title br {
        display: none;
    }

    .sub_content2_1 .content_box {
        overflow: hidden;
        min-height: auto;
    }

    .sub_content2_1 .content_box.blue,
    .sub_content2_1 .content_box.gray {
        border-radius: 0;
    }

    .sub_content2_1 .content_box .img_box {
        padding: 20px 40px;
        gap: 25px;
    }

    .sub_content2_1 .content_box .info_box {
        margin: 0 40px;
    }

    .sub_content2_1 .content_box .info_box p {
        padding-left: 0;
        font-size: clamp(18px, 2vw, 20px);
        display: flex;
        justify-content: center;
        padding: 12px 0;
    }

    .sub_content2_1 .content_box .info_box p.bg {
        border-radius: 0;
        padding: 0;
    }

    .sub_content2_1 .content_box .info_box>div {
        border-radius: 0;
        flex-direction: column;
    }
}

@media screen and (max-width: 768px) {

    .sub2_1 .slide_list .img img,
    .sub2_1 .slide_list2 .img img {
        max-height: 180px;
    }

    .sub2_1 .slick-slider div .img img {
        object-fit: cover;
    }

    .sub_content2_1 .content_box .switch {
        display: none;
    }

    .sub_content2_1 .content_box .info_box p {
        display: none !important;
    }

    .sub_content2_1 .content_box .info_box p.bg {
        display: block !important;
    }

    .sub_content2_1 .content_box .detail_box {
        width: 100%;
        height: 220px;
    }

    .sub_content2_1 .content_box .info_box {
        margin: 0;
    }

    .sub_content2_1 .content_box .info_box p:last-child {
        padding-left: 0;
        font-size: clamp(18px, 2vw, 20px);
        display: flex;
        justify-content: center;
    }

    .sub_content2_1 .text_box .title {
        margin: clamp(40px, 2vw, 100px) 0 clamp(20px, 2vw, 45px) 0;
    }

    .sub_content2_1 .content_box .img_box {
        gap: 20px;
        flex-direction: column;
    }

    .sub_content2_1 .content_box .img_box>img {
        width: 100%;
    }

    .sub2_1 .inner .explan {
        height: 100px;
        gap: 11px;
    }

    .sub2_1 .inner .explan h5 {
        font-size: 1.5em;
    }

    .sub2_1 .inner .explan p {
        font-size: 0.8em;
    }

    .sub2_1 .inner .cer__slide-prev.slick-arrow>img,
    .sub2_1 .inner .cer__slide-next.slick-arrow>img,
    .sub2_1 .inner .cer__slide-prev2.slick-arrow>img,
    .sub2_1 .inner .cer__slide-next2.slick-arrow>img {
        width: 40px;
        height: 90px;
    }
}

@media screen and (max-width: 600px) {

    .sub2_1 .inner .cer__slide-prev.slick-arrow>img,
    .sub2_1 .inner .cer__slide-next.slick-arrow>img,
    .sub2_1 .inner .cer__slide-prev2.slick-arrow>img,
    .sub2_1 .inner .cer__slide-next2.slick-arrow>img {
        display: none;
    }

    .sub2_1 .inner .explan {
        height: 80px;
    }

    .sub2_1 .inner .explan h5 {
        font-size: 1.2em;
    }

    .sub2_1 .inner .explan p {
        font-size: 0.6em;
    }

    .sub_content2_1 .content_box {
        padding: 0;
    }
}

@media screen and (max-width: 425px) {
    .sub2_1 {
        padding: 0;
    }

    .sub2_1 .inner .explan {
        height: 50px;
        gap: 5px;
    }

    .sub2_1 .inner .explan h5 {
        font-size: 1em;
    }

    .sub2_1 .inner .explan p {
        font-size: 0.5em;
    }
}


/* ==========================================================================
   3. SUB 2-1-1 / 2-1-2: DISTRIBUTION & HOTSPOTS
   ========================================================================== */
.dist-wrap {
    max-width: 1500px;
    margin: 0 auto;
    padding: clamp(30px, 5vw, 60px) 20px clamp(50px, 5vw, 100px);
}

.dist-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
}

.dist-title {
    font-size: 40px;
    font-weight: 800;
    color: #000;
    position: relative;
    padding-left: 25px;
    line-height: 1.2;
}

.dist-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 13px;
    height: 13px;
    background: #1f448e;
    border-radius: 5px;
}

.dist-subtitle {
    font-size: 22px;
    color: #a9a9a9;
    font-weight: 400;
    letter-spacing: 1px;
    margin-top: 8px;
}

/* Visual & Hotspots */
/* Visual & Hotspots */
.dist-visual {
    position: relative;
    width: 100%;
    height: 577px;
    border-radius: 20px;
    margin-bottom: 50px;
    background: #eef;
}

.dist-visual img.bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

/* Base Hotspot Style (Dot Style - Default for Sub 2-1-1) */
.hotspot {
    position: absolute;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transform: translate(-50%, -50%);
    transition: transform 0.3s, background 0.3s;
    padding: 0;
}

.hotspot .hs-icon {
    display: none;
}

/* Hide icon by default */
.hotspot .hs-num {
    display: none;
}

/* Hide number by default */

/* Active State for Dot: Expand & Show Number */
.hotspot:hover,
.hotspot.active {
    width: clamp(30px, 2vw, 45px);
    height: clamp(30px, 2vw, 45px);
    transform: translate(-50%, -50%);
    background: #1f448e !important;
    z-index: 10;
}

.hotspot:hover .hs-num,
.hotspot.active .hs-num {
    display: block !important;
    color: #fff;
    font-weight: 700;
    font-size: clamp(14px, 2vw, 20px);
}

/* Icon mode overrides removed to unify dot style across all pages */

/* Hotspot Positions */
.hotspot.pos-1 {
    left: 42%;
    top: 34%;
}

.hotspot.pos-2 {
    left: 50%;
    top: 38%;
}

.hotspot.pos-3 {
    left: 58%;
    top: 34%;
}

.hotspot.pos-4 {
    left: 64%;
    top: 50%;
}

.hotspot.pos-5 {
    left: 38%;
    top: 50%;
}

.hotspot.pos-6 {
    left: 30%;
    top: 65%;
}

.hotspot.pos-7 {
    left: 46%;
    top: 60%;
}

.hotspot.pos-8 {
    left: 44%;
    top: 80%;
}

.hotspot.pos-9 {
    left: 80%;
    top: 60%;
}

.hotspot.pos-10 {
    left: 42%;
    top: 74%;
}

/* Sub 2-1-2 Specific Hotspot Positions (Override) */
.sub2_1_2 .hotspot.pos-1 {
    left: 40%;
    top: 40%;
}

.sub2_1_2 .hotspot.pos-2 {
    left: 48%;
    top: 30%;
}

/* Sub 2-1-3 Specific Hotspot Positions (Override) */
.sub2_1_3 .hotspot.pos-1 {
    left: 30%;
    top: 60%;
}

/* Sub 2-1-4 Specific Hotspot Positions (Override) */
.sub2_1_4 .hotspot.pos-1 {
    left: 52%;
    top: 22%;
}

.sub2_1_4 .hotspot.pos-2 {
    left: 52%;
    top: 60%;
}

.sub2_1_4 .hotspot.pos-3 {
    left: 58%;
    top: 36%;
}

/* Sub 2-1-5 Specific Hotspot Positions (Override) */
.sub2_1_5 .hotspot.pos-1 {
    left: 46%;
    top: 38%;
}


/* Detail Section */
.dist-detail {
    background: #fff;
    border-radius: 20px;
    padding: 48px 47px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    align-items: flex-start;
    box-shadow: 0 0 20px rgba(31, 68, 142, 0.2);
}

.detail-header {
    display: flex;
    gap: 15px;
    align-items: center;
    width: 100%;
    flex-wrap: wrap;
}

.sample-title-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 200px;
    height: 52px;
    background: #1f448e;
    color: #fff;
    font-size: 25px;
    font-weight: 700;
    border-radius: 5px;
    padding: 10px 0;
    flex-shrink: 0;
}

.detail-content-text {
    width: 100%;
}

.item-title {
    font-size: 20px;
    font-weight: 700;
    color: #000;
    margin-bottom: 5px;
    margin-top: 20px;
}

.item-title:first-child {
    margin-top: 0;
}

.item-desc {
    font-size: 20px;
    font-weight: 400;
    color: #000;
    line-height: 1.6;
    margin-bottom: 0;
    letter-spacing: -0.8px;
    word-break: keep-all;
}

.mobile-num {
    display: none;
}

/* Guide Tooltip */
.guide-tooltip {
    position: absolute;
    top: 30px;
    right: 50px;
    background: #FFFFFF;
    padding: 15px 30px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.sub2_1_3 .guide-tooltip {
    right: auto;
    left: 50px;
}

.hand-icon {
    width: 82px;
    height: 82px;
    background: #EEF1F7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.guide-text {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

/* Mobile Nav Slider (Shared mostly detailed here) */
.mobile-nav-slider {
    display: block;
    margin-bottom: 30px;
    padding: 0 20px;
}

/* Slider enabled for all subpages */

.nav-track {
    display: flex;
    gap: clamp(10px, 2vw, 26px);
    overflow-x: auto;
    padding-bottom: 10px;
    padding-right: 20px;
    scrollbar-width: none;
    justify-content: center;
}

.nav-track::-webkit-scrollbar {
    display: none;
}

.nav-btn {
    flex: 0 0 50px;
    height: 50px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #ddd;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    font-weight: 700;
    color: #333;
    cursor: pointer;
    transition: all 0.3s;
}

.nav-btn.active {
    background: #1f448e;
    color: #fff;
    border-color: #1f448e;
}

/* Category Menu (Sub2_1_1, Sub2_1_2) */
.sub2-category-menu {
    max-width: 1500px;
    margin: 0 auto;
    padding: clamp(30px, 5vw, 60px) 20px;
}

.sub2-category-menu ul {
    display: flex;
    justify-content: center;
    gap: 18px;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
}

.sub2-category-menu ul li {
    flex: 0 1 calc(100%/6 - 18px);
    height: 68px;
}

.sub2-category-menu ul li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: #eef1f7;
    border-radius: 7px;
    font-size: 22px;
    font-weight: 500;
    color: #000;
    text-decoration: none;
    transition: all 0.3s;
}

.sub2-category-menu ul li.active a,
.sub2-category-menu ul li a:hover {
    background: #1f448e;
    color: #fff;
    font-weight: 700;
}

.sub_content2_1 .grid3 {
    display: flex;
    flex-wrap: wrap;
    gap: 0 30px;
}

/* Used in sub2_1_2 */
.sub_content2_1 .grid3 .box {
    width: calc(100% / 3 - 30px);
}

.sub_content2_1 .grid3 .box a>img {
    border-radius: 25px;
    max-height: 392px;
    width: 50vmin;
    height: 50vmin;
    object-fit: cover;
    border: 1px solid #bac7d9;
}

.sub_content2_1 .grid3 .box a>img:hover {
    border: 10px solid #3b78c9;
}

.sub_content2_1 .grid3 .box .txt-box {
    margin: 26px 0;
}

.sub_content2_1 .grid3 .box .txt-box>p.title {
    font-size: clamp(22px, 2vw, 24px);
    font-weight: bold;
    padding-top: 0;
}

.sub_content2_1 .grid3 .box:hover .txt-box>p.title {
    color: #3b78c9;
}

.sub_content2_1 .grid3 .box .txt-box>p {
    font-weight: 200;
    padding-top: 10px;
}

/* Hotspot Tooltip (Logo Style) */
.hs-tooltip {
    position: absolute;
    left: 60px;
    /* Positioned to the right of the expanded hotspot */
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    height: auto;
    min-height: 70px;
    /* Base height */
    padding: 15px 30px;
    /* Padding for pill shape */
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    white-space: normal;
    /* Allow wrapping */
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 20;
    pointer-events: none;
    border: 1px solid #e1e1e1;

    display: flex;
    flex-wrap: wrap;
    /* Allow wrapping */
    align-items: center;
    justify-content: center;
    gap: 10px 15px;
    /* Reduced horizontal gap slightly */
    width: max-content;
    max-width: 450px;
    /* Increased to comfortably fit 3 items (100*3 + 15*2 + 60padding = 390px) */
}

.hs-tooltip span {
    font-size: 18px;
    font-weight: 800;
    color: #cc0000;
    display: block;
    font-family: 'Arial', sans-serif;
    letter-spacing: -0.5px;
    width: 100%;
    /* Text spans full width */
    text-align: center;
}

.hs-tooltip img {
    height: 40px;
    width: auto;
    display: block;
    object-fit: contain;
    max-width: 100px;
    /* Limit logo width */
    flex: 0 0 auto;
}

/* Removed has-image padding override as standard padding works for both */

.hotspot:hover .hs-tooltip,
.hotspot.active .hs-tooltip {
    opacity: 1;
    visibility: visible;
    /* left is fixed, no sliding needed or maybe slight slide for effect */
    left: 60px;
}

/* Specific Override for Hotspot 1: Position Bottom instead of Right */
.hotspot[data-id="1"]:hover .hs-tooltip,
.hotspot[data-id="1"].active .hs-tooltip {
    left: 50%;
    top: 100%;
    transform: translate(-50%, 15px);
}

/* Responsive Tooltip */
/* Responsive Tooltip */
@media (max-width: 1200px) {
    .hs-tooltip {
        /* Allow 3 columns on tablet/laptop as well */
        max-width: 450px;

        /* Laptop/Tablet: Position ABOVE hotspot to prevent covering */
        left: 50% !important;
        top: auto !important;
        bottom: 100% !important;
        transform: translate(-50%, -15px) !important;
        /* Move up by 15px */
    }
}

@media (max-width: 768px) {
    .hs-tooltip {
        /* Mobile Specific Adjustments */
        gap: 8px 15px;
        padding: 12px 20px;

        /* Ensure it doesn't overflow screen width too easily */
        width: max-content;
        max-width: 80vw;
    }

    .hs-tooltip img {
        height: 35px;
        /* Slightly smaller images */
        max-width: 80px;
    }
}

/* Sub 2-1-1/2 Responsive */
@media (max-width: 1200px) {
    .dist-detail {
        padding: 30px;
        flex-wrap: wrap;
        gap: 40px;
    }

    .detail-img {
        width: 100%;
        max-width: 500px;
    }
}

@media (max-width: 1024px) {
    .dist-visual {
        height: 400px;
        min-height: 300px;
    }

    .dist-detail {
        flex-direction: column;
        padding: 30px;
    }

    .sample-title-btn {
        width: 100%;
    }

    .detail-img {
        width: 100%;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .dist-visual {
        height: auto;
        min-height: auto;
        margin-bottom: 20px;
    }

    .dist-visual .bg-img {
        position: relative;
    }

    .sample-title-btn {
        width: 100%;
        font-size: 20px;
    }

    .item-title,
    .item-desc {
        font-size: 16px;
    }

    .mobile-num {
        display: inline-block;
        margin-right: 5px;
        color: #1f448e;
    }

    .guide-tooltip {
        display: none;
    }

    .mobile-nav-slider {
        display: block;
    }

    .detail-header {
        width: 100%;
    }

    .sub2-category-menu ul {
        gap: 10px;
    }

    .sub2-category-menu ul li {
        flex: 1 1 45%;
        height: 50px;
    }

    .sub2-category-menu ul li a {
        font-size: 18px;
    }

    .sub_content2_1 .grid3 .box {
        flex: 0 1 calc(100% / 2 - clamp(16px, 2vw, 20px));
    }

    .sub_content2_1 .grid3 .box a>img {
        width: auto;
        height: auto;
    }

    /* Mobile Hotspots: Now utilizing global dot style */
    /* Only overrides for icon-mode below */


    /* Icon mode overrides removed to unify dot style across all pages */
}

@media (max-width: 600px) {

    /* Mobile Nav Grid Fix */
    .nav-btn {
        flex: 0 0 38px;
        width: 38px;
        height: 38px;
        font-size: 14px;
    }

    .nav-track {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px 0;
        justify-items: center;
        padding-right: 0;
        overflow-x: visible;
    }
}

@media (max-width: 500px) {
    .sub_content2_1 .grid3 .box {
        flex: 100%;
    }
}

@media (max-width: 425px) {
    .sub_content2_1 .grid3 .box {
        /* transform: scale(0.8); */
    }
}


/* ==========================================================================
   4. SUB 2-2: EQUIPMENT & STRUCTURAL DESIGN
   ========================================================================== */
.equipment-wrap {
    max-width: 1500px;
    margin: 0 auto;
    padding: 60px 20px 100px;
}

.equipment-header {
    margin-bottom: 60px;
    padding-bottom: 30px;
    border-bottom: 1px solid #ddd;
}

.equipment-title {
    font-size: 40px;
    font-weight: 800;
    color: #000;
    position: relative;
    padding-left: 20px;
    display: inline-block;
}

.equipment-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 13px;
    height: 13px;
    background: #1f448e;
    border-radius: 5px;
}

.equipment-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.equipment-item {
    display: flex;
    align-items: center;
    gap: 80px;
}

.equipment-visual {
    width: 50%;
    background: #fff;
    border: 1px solid #e1e1e1;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0px 0px 20px rgba(31, 68, 142, 0.20);
}

.equipment-visual .img-box {
    width: 100%;
    height: 350px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.equipment-info {
    width: 50%;
}

.model-name {
    font-size: 30px;
    font-weight: 700;
    color: #000;
    line-height: 1.2;
    margin-bottom: 30px;
}

.model-spec p {
    font-size: 22px;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.5;
}

.sub2_2 {
    margin-top: clamp(40px, 4.4vw, 80px);
    margin-bottom: clamp(40px, 10vw, 140px);
}

.sub_content2>.bg_img {
    background-image: url(../img/sub/sub_visual2_2.png);
}

.sub_content2>.sub2_2>.content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 50px 0;
}

.sub_content2>.sub2_2>.content>.img_box {
    position: relative;
    display: flex;
    width: calc(50%);
    text-align: center;
    justify-content: center;
    align-items: center;
}

.sub_content2>.sub2_2>.content>.img_box:after {
    content: 'Aircraft Structural Design';
    position: absolute;
    top: 50%;
    left: 42%;
    color: #fff;
    width: 50px;
    text-align: center;
    display: inline-flex;
    font-size: clamp(28px, 2vw, 40px);
    font-weight: bold;
    transform: translate(-50%, -50%);
}

.sub_content2>.sub2_2>.content>.img_box .round>div {
    font-size: clamp(18px, 2vw, 20px);
    display: flex;
    border: 1px solid #3b78c9;
    background-color: #fff;
    border-radius: 50%;
    width: 140px;
    height: 140px;
    text-align: center;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.sub_content2>.sub2_2>.content>.img_box>.round {
    position: absolute;
    display: flex;
    flex-direction: column;
}

/* Round Positions */
.sub_content2>.sub2_2>.content>.img_box>.round>.p_12 {
    transform: translate(0%, 115%);
}

.sub_content2>.sub2_2>.content>.img_box>.round>.p_1 {
    transform: translate(130%, 64%);
}

.sub_content2>.sub2_2>.content>.img_box>.round>.p_3 {
    transform: translate(250px, 107%);
}

.sub_content2>.sub2_2>.content>.img_box>.round>.p_5 {
    transform: translate(115%, 136%);
}

.sub_content2>.sub2_2>.content>.img_box>.round>.p_7 {
    transform: translate(-113%, 44%);
}

.sub_content2>.sub2_2>.content>.img_box>.round>.p_9 {
    transform: translate(-185%, -195%);
}

.sub_content2>.sub2_2>.content>.img_box>.round>.p_11 {
    transform: translate(-138%, -430%);
}

.sub_content2>.sub2_2>.content>.text {
    border-top: 1px solid rgba(0, 0, 0, 0.12);
}

.sub_content2>.sub2_2>.content>.text>.text-group {
    display: flex;
    padding: 56px 10px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.12);
    align-items: center;
}

.sub_content2>.sub2_2>.content>.text>.text-group>.number {
    font-size: clamp(35px, 2vw, 50px);
    font-weight: bold;
    color: #3b78c9;
}

.sub_content2>.sub2_2>.content>.text>.text-group>.txt {
    font-size: clamp(20px, 2vw, 30px);
    padding-left: 50px;
    font-weight: 300;
    white-space: pre-line;
}

.sub_content2>.sub2_2 .text_box .title {
    font-weight: bold;
    font-size: clamp(26px, 3.4vw, 50px);
    margin: clamp(40px, 4.8vw, 100px) 0 clamp(20px, 2.8vw, 45px) 0;
    text-align: center;
}

.sub_content2>.sub2_2 .img_box {
    display: flex;
    gap: clamp(12px, 2vw, 30px);
    flex-wrap: wrap;
}

.sub_content2>.sub2_2 .img_box>img {
    width: calc(100% / 3 - clamp(8px, 2vw, 20px));
    border-radius: 26px;
    border: 1px solid #bac7d9;
}

.sub_content2>.sub2_2 .img_box:last-child>img {
    width: calc(100% / 2 - clamp(8px, 2vw, 20px));
}

.sub_con .prod-fixed2 .prod_list2 {
    border-radius: 60px;
}

.sub_con .prod-fixed2 .prod_list_wrap2 ul li.active a {
    color: #3b78c9;
}

.sub_con .prod-fixed2 .prod_list_wrap2 ul li a {
    color: #b2bdcd;
    font-size: clamp(20px, 1.2vw, 30px);
}

.prod-fixed2 .prod_list_wrap2 ul {
    justify-content: center;
    gap: unset;
    margin: 18px 50px;
    flex-wrap: wrap;
}

.prod-fixed2 .prod_list_wrap2 ul li {
    padding: 0 clamp(12px, 3.2vw, 55px);
    border-right: 1px solid #ababab;
}

.prod-fixed2 .prod_list_wrap2 ul li:last-child {
    border-right: none;
}

.prod-fixed2 .prod_list_wrap2 ul li:after {
    display: none;
}

.prod-fixed2 .prod_list_wrap2 ul li:last-child:after {
    display: none;
}

/* Sub 2-2 Responsive */
@media (max-width: 1440px) {
    .sub_content2>.sub2_2>.content {
        transform: scale(0.8);
        margin: 50px 0;
        gap: 100px;
    }
}

@media (max-width: 1024px) {
    .equipment-item {
        flex-direction: column;
        gap: 30px;
        align-items: flex-start;
    }

    .equipment-visual,
    .equipment-info {
        width: 100%;
    }

    .model-name {
        font-size: 30px;
    }

    .sub_content2>.bg_img {
        height: 280px;
    }

    .sub_content2>.sub2_2>.content {
        transform: scale(1);
        flex-direction: column;
        gap: 50px;
    }

    .sub_content2>.sub2_2>.content>.img_box:after {
        left: 40%;
    }

    .sub_content2>.sub2_2>.content>.text {
        width: 90%;
    }

    .sub_content2>.sub2_2>.content>.text>.text-group {
        padding: 15px 10px;
    }

    .sub_content2>.sub2_2>.content>.text>.text-group>.txt {
        white-space: normal;
    }

    .sub_content2>.sub2_2>.content>.img_box>.round {
        transform: scale(0.6);
    }
}

@media (max-width: 860px) {
    .prod-fixed2 .prod_list2 {
        height: auto;
    }

    .prod-fixed2 .prod_list_wrap2 ul {
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px 25px;
        margin: 10px 40px;
    }
}

@media (max-width: 768px) {
    .sub_content2>.bg_img {
        height: 200px;
    }

    .sub_con .prod-fixed2 .prod_list_wrap2 ul li a:after {
        position: absolute;
        width: 2px;
        height: 25px;
        background: #ababab;
        content: '';
        top: 50%;
        transform: translateY(-50%);
        left: -10px;
        height: 1px;
        width: 10px;
    }

    .sub_content2>.sub2_2>.content>.img_box:after {
        left: 35%;
    }

    .sub_content2>.sub2_2>.content>.img_box2:after {
        left: 35%;
    }

    .prod-fixed2 .prod_list_wrap2 ul {
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px 25px;
        margin: 10px 40px;
        width: 100%;
    }
}

@media (max-width: 500px) {
    .sub_content2>.sub2_2 .img_box>img {
        width: 100%;
        max-height: 120px;
        object-fit: contain;
    }

    .sub_content2>.sub2_2 .img_box:last-child>img {
        width: 100%;
        max-height: 120px;
        object-fit: cover;
    }
}


/* ==========================================================================
   5. SUB 2-3: PRODUCTION & PROCESS
   ========================================================================== */
.production-wrap {
    max-width: 1500px;
    margin: 0 auto;
    padding: 60px 20px 100px;
}

.production-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.production-item {
    display: flex;
    justify-content: center;
}

.production-item .img-box {
    width: 100%;
    height: 391px;
    background: #fff;
    border: 1px solid #d1d1d1;
    border-radius: 11px;
    box-shadow: 0 0 11px rgba(0, 70, 82, 0.2);
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.production-item .img-box:hover {
    transform: translateY(-5px);
}

.production-item .img-box img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.sub_content2_3 {
    text-align: center;
}

.sub_content2_3 .text_box .title {
    font-weight: bold;
    font-size: clamp(40px, 2vw, 50px);
    margin: clamp(40px, 4.8vw, 100px) 0 clamp(20px, 2vw, 45px) 0;
}

.sub_content2_3 .text_box .sub-title {
    font-size: clamp(22px, 2vw, 24px);
    font-weight: 300;
}

.sub_content2_3 .text_box .sub-title>.bold {
    font-weight: bold;
}

.sub_content2_3 .grid3 {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.sub_content2_3 .grid3 .box {
    position: relative;
    width: calc(100% / 3 - 30px);
}

.sub_content2_3 .grid3 .box img {
    border-radius: 25px;
    width: 50vmin;
    min-height: 392px;
    object-fit: none;
    border: 1px solid #bac7d9;
}

.sub_content2_3 .grid3 .box img:hover {
    border: none;
    filter: brightness(0.3);
}

.sub_content2_3 .grid3 .box .txt-box {
    margin: 26px 0;
}

.sub_content2_3 .grid3 .box .txt-box>p.title {
    font-size: clamp(22px, 2vw, 24px);
    font-weight: bold;
    padding-top: 0;
}

.sub_content2_3 .grid3 .box .txt-box>p {
    font-weight: 200;
    padding-top: 10px;
}

.sub_content2_3 .grid3 .box:hover .txt-box>p.title {
    color: #000;
}

.sub_content2_3 .grid3 .box:hover::before {
    content: '';
    position: absolute;
    bottom: 25%;
    left: 10%;
    font-size: 45px;
    font-weight: bold;
    color: #fff;
    z-index: 1;
}

.sub_content2_3 .grid3 .box:hover::after {
    content: '';
    position: absolute;
    top: 30px;
    right: 40px;
    background-image: url('../img/sub/sub2_3_1_img_hover.png');
    z-index: 9;
    width: 45px;
    height: 45px;
    background-repeat: no-repeat;
}

.sub_content2_3.sub2_3_1 .text_box .title {
    font-weight: bold;
    font-size: clamp(26px, 2vw, 50px);
    margin: clamp(40px, 4.8vw, 100px) 0 clamp(20px, 2vw, 45px) 0;
}

.sub_content2_3.sub2_3_1 .content_box {
    display: flex;
    margin: 30px 0;
    gap: clamp(40px, 4.8vw, 100px);
    align-items: center;
}

.sub_content2_3.sub2_3_1 .content_box .box {
    flex: 0 1 calc(50% - clamp(25px, 4.8vw, 50px));
    height: 30rem;
    object-fit: none;
    border: 1px solid #cfd6de;
    border-radius: 26px;
    overflow: hidden;
}

.sub_content2_3.sub2_3_1 .content_box .box>img {
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.sub_content2_3.sub2_3_1 .content_box .txt-box {
    flex: 0 1 calc(50% - clamp(25px, 4.8vw, 50px));
}

.sub_content2_3.sub2_3_1 .content_box .txt-box>table {
    width: 100%;
}

.sub_content2_3.sub2_3_1 .content_box .txt-box tr {
    border-bottom: 1px solid #000;
}

.sub_content2_3.sub2_3_1 .content_box .txt-box tr>th {
    width: 200px;
}

.sub_content2_3.sub2_3_1 .content_box .txt-box tr>th,
.sub_content2_3.sub2_3_1 .content_box .txt-box tr>td {
    padding: 20px 30px;
    text-align: left;
    font-size: clamp(16px, 2vw, 22px);
    white-space: nowrap;
}

.sub_content2_3.sub2_3_1 .content_box .txt-box tr>td {
    font-weight: 200;
}

.sub_content2_3.sub2_3_1 .content_box .txt-box tr>td>strong {
    line-height: 35px;
}

.sub_content2_3 .navigation_footer {
    margin: 50px 0;
    border-top: 1px solid #000;
    border-bottom: 1px solid #000;
    display: flex;
    justify-content: space-between;
    height: 70px;
    align-items: center;
    padding: 0 70px;
}

.sub_content2_3 .navigation_footer>.next>a,
.sub_content2_3 .navigation_footer>div>a,
.sub_content2_3 .navigation_footer>.prev>a {
    font-weight: bold;
}

.sub_content2_3 .navigation_footer>.next img,
.sub_content2_3 .navigation_footer>.prev img {
    padding: 10px 12px;
}

/* Sub 2-3 Responsive */
@media (max-width: 1200px) {
    .production-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .sub_content2_3.sub2_3_1 .content_box {
        flex-direction: column;
    }

    .sub_content2_3.sub2_3_1 .content_box .txt-box {
        flex: 100%;
    }
}

@media (max-width: 768px) {
    .production-list {
        grid-template-columns: 1fr;
    }

    .production-item .img-box {
        height: 300px;
    }

    .sub_content2_3 .grid3 .box {
        transform: scale(0.9);
    }

    .sub_content2_3 .grid3 .box img {
        min-width: 50vw;
        min-height: auto;
    }

    .sub_content2_3.sub2_3_1 .content_box .txt-box {
        width: auto;
    }

    .sub_content2_3 .grid3 .box {
        flex: calc(100% / 2 - clamp(8px, 2vw, 12px));
        transform: scale(0.9);
    }
}

@media (max-width: 600px) {
    .sub_content2_3 .grid3 .box {
        flex: 100%;
    }

    .sub_content2_3 .grid3 .box a {
        width: 100%;
    }

    .sub_content2_3 .grid3 .box img {
        width: 100%;
        object-fit: cover;
        height: 180px;
    }
}

@media (max-width: 500px) {
    .sub_content2_3.sub2_3_1 .content_box .txt-box tr>th {
        width: auto;
    }

    .sub_content2_3.sub2_3_1 .content_box .txt-box tr>th,
    .sub_content2_3.sub2_3_1 .content_box .txt-box tr>td {
        display: block;
        text-align: left;
        width: max-content;
    }
}


/* ==========================================================================
   6. SUB 4: FACILITY & INFO
   ========================================================================== */
.prod-info-line>h1 {
    font-size: clamp(26px, 3.4vw, 50px);
    text-align: center;
}

.prod-info-line>h1.left {
    font-size: clamp(26px, 3.4vw, 50px);
    text-align: left;
}

.sub_content4>.bg_img {
    height: 280px;
    position: relative;
    overflow: hidden;
    margin: 87px 0;
}

.sub_content4>.bg_img>img {
    top: -100%;
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0%);
}

.sub_content4 .content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 100px;
    padding: 50px 0;
}

.sub_content4 .content+.content {
    border-top: 1px solid #e1e1e1;
}

.sub_content4 .content>.text>.title {
    font-size: clamp(48px, 2vw, 50px);
    font-weight: bold;
}

.sub_content4 .content>.text>.sub-title {
    font-size: clamp(30px, 2vw, 32px);
    color: #3b78c9;
    font-weight: bold;
    padding: 100px 0 60px 0;
}

.sub_content4 .content>.text>p {
    line-height: 28px;
    font-size: clamp(20px, 2vw, 25px);
}

.sub_content4 .content>.img_box {
    width: 80vmin;
}

/* Sub 4-3 */
.sub4_3 .cer-info .title {
    font-size: 30px;
    font-weight: 800;
    text-align: center;
    padding-top: 30px;
    transition: all ease 0.7s;
}

.sub4_3 .certification-wrap {
    background: url('../img/sub/sub4_img_bg.png') no-repeat top center;
    padding: 100px 0;
    position: relative;
    background-size: 700px;
    height: 800px;
}

.sub4_3 .is-dragging {
    pointer-events: none;
}

.sub4_3 .slide_list .slick-slide {
    margin: 0 60px;
    transition: all ease 0.3s;
}

.sub4_3 .slide_list .img {
    box-sizing: border-box;
    padding: 0 30px;
}

.sub4_3 .slide_list .img img {
    width: 100%;
    transform: scale(0.8);
    max-height: 490px;
    box-shadow: 1px 1px 20px #00000021;
}

.sub4_3 .slide_list .slick-center .img {
    padding: 0;
}

.sub4_3 .slide_list .slick-center .img img {
    transform: scale(1);
}

.sub4_3 .slide_list .slick-center .cer-info .title {
    font-size: 38px;
    padding-top: 50px;
}

.sub4_3 .certification-wrap .slick-arrow {
    border-radius: 100%;
    position: absolute;
    z-index: 100;
    top: calc(50% - 140px);
    transform: translateY(-50%);
    cursor: pointer;
}

.sub4_3 .certification-wrap .cer__slide-prev {
    left: calc(0% - 0px);
}

.sub4_3 .certification-wrap .cer__slide-next {
    right: calc(0% - 0px);
}

/* Sub 4 Responsive */
@media screen and (max-width: 1660px) {
    .sub4_3 {
        padding: 0 20px;
    }
}

@media screen and (max-width: 1500px) {
    .sub4_3 .certification-wrap .slick-arrow {
        width: 30px;
        top: calc(50% - 80px);
    }

    .sub4_3 .certification-wrap .cer__slide-prev {
        left: calc(0% + 10px);
    }

    .sub4_3 .certification-wrap .cer__slide-next {
        right: calc(0% + 10px);
    }
}

@media screen and (max-width: 1460px) {
    .sub_content4_3 .content {
        padding: clamp(20px, 2.8vw, 50px) 20px;
    }
}

@media screen and (max-width: 1440px) {
    .sub4_3 .certification-wrap {
        padding: 30px 0;
        background-size: 600px;
        min-height: 660px;
    }

    .sub4_3 .certification-wrap .slide_list .slick-slide {
        margin: 0 30px;
    }

    .sub4_3 .certification-wrap .slide_list .slick-center .cer-info .title {
        padding-top: 60px;
        font-size: 36px;
    }

    .sub4_3 .certification-wrap .cer-info .title {
        padding-top: 15px;
        font-size: 28px;
    }
}

@media screen and (max-width: 1200px) {
    .sub4_3 .certification-wrap {
        height: auto;
    }
}

@media screen and (max-width: 1024px) {
    .sub_content4 .content>.text>p br {
        display: none;
    }

    .prod-info-line>h1 br {
        display: none;
    }

    .sub4_3 .certification-wrap {
        min-height: 500px;
        background-size: 500px;
    }

    .sub4_3 .certification-wrap .cer-info .title {
        font-size: 22px;
    }

    .sub4_3 .certification-wrap .slide_list .slick-center .cer-info .title {
        padding-top: 50px;
        font-size: 30px;
    }

    .sub4_3 .certification-wrap .slide_list .img {
        padding: 0 20px;
    }

    .sub4_3 .certification-wrap .slide_list .slick-slide {
        margin: 0;
    }

    .sub4_3 .certification-wrap .slick-arrow {
        top: calc(50% - 80px);
    }

    .sub4_3 .certification-wrap .cer__slide-prev {
        left: 0;
    }

    .sub4_3 .certification-wrap .cer__slide-next {
        right: 0;
    }
}

@media screen and (max-width: 768px) {
    .sub_content4_3>.bg_img {
        height: 35vw;
    }

    .sub_content4_3 .content {
        flex-direction: column;
    }

    .sub_content4_3 .content>.img_box>img {
        max-height: 300px;
    }

    .sub4_3 .certification-wrap {
        min-height: unset;
        background-position: center;
    }

    .sub4_3 .certification-wrap .slide_list .slide-con {
        text-align: center;
    }

    .sub4_3 .certification-wrap .slide_list .cer-info .title {
        padding-top: 30px;
        font-size: 24px;
    }

    .sub4_3 .certification-wrap .slide_list .slick-center .cer-info .title {
        padding-top: 30px;
        font-size: 24px;
    }

    .sub4_3 .certification-wrap .slick-arrow {
        width: 25px;
        top: calc(50% - 60px);
    }
}

@media screen and (max-width: 500px) {
    .sub_content4_3 .content>.img_box>img {
        max-height: 160px;
    }

    .sub4_3 .certification-wrap {
        padding: 0;
        background-size: 350px;
    }

    .sub4_3 .certification-wrap .slick-arrow {
        width: 15px;
    }

    .sub4_3 .certification-wrap .cer__slide-prev {
        left: -10px;
    }

    .sub4_3 .certification-wrap .cer__slide-next {
        right: -10px;
    }

    .sub4_3 .certification-wrap .slide_list .img {
        padding: 0;
    }

    .sub4_3 .certification-wrap .slide_list .img img {
        max-height: unset;
        width: 200px;
        transform: unset;
        height: 284px;
        object-fit: contain;
        box-shadow: none;
    }

    .sub4_3 .certification-wrap .slide_list .slick-center .img img {
        max-height: unset;
    }
}

@media screen and (max-width: 400px) {
    .sub4_3 .certification-wrap {
        background-size: 280px;
    }

    .sub4_3 .certification-wrap .slick-arrow {
        top: calc(50% - 30px);
    }

    .sub4_3 .certification-wrap .slide_list .img img {
        width: 200px;
        height: 100%;
    }
}


/* ==========================================================================
   7. SUB 5-2: TABLES
   ========================================================================== */
.sub5_2 .sub_content5 .table-style {
    width: 100%;
    min-width: 520px;
}

.sub5_2 .sub_content5 .table-style .thead .tr {
    display: flex;
    height: 126px;
    align-items: center;
    justify-content: space-between;
    border-top: 2px solid #000;
}

.sub5_2 .sub_content5 .table-style .thead .tr.th {
    text-align: right;
    width: 100%;
    font-weight: bold;
    padding: clamp(12px, 2vw, 25px);
    border-top: 2px solid #000;
}

.sub5_2 .sub_content5 .table-style .thead .tr.th>div {
    padding: 0;
    width: 100%;
    position: relative;
    display: flex;
    padding: 0 0 0 clamp(25px, 2vw, 35px);
    flex-direction: row;
    flex: 0 1 calc(100% / 4);
    justify-content: flex-start;
    font-size: clamp(22px, 2vw, 30px);
    color: #091a2e;
}

.sub5_2 .sub_content5 .table-style .tr.th>div.open {
    display: flex;
    justify-content: flex-end;
    gap: 55px;
    padding-right: clamp(20px, 2.8vw, 60px);
    align-items: center;
    font-size: clamp(18px, 2vw, 20px);
    font-weight: 100;
}

.sub5_2 .sub_content5 .table-style .tr.th>div.close {
    display: none;
}

.sub5_2 .sub_content5 .table-style .thead .tr.th>div.close p {
    border: 1px solid #cdcdcd;
    border-radius: 50%;
    position: absolute;
    width: 50px;
    height: 50px;
    background-color: #fff;
    right: 0;
    top: -85%;
    position: relative;
}

.sub5_2 .sub_content5 .table-style .thead .tr.th>div.close p::before {
    content: '';
    width: 17px;
    height: 2px;
    background: #000;
    transform: rotate(-50deg);
    position: absolute;
    top: 50%;
    left: 23%;
}

.sub5_2 .sub_content5 .table-style .thead .tr.th>div.close p::after {
    content: '';
    width: 17px;
    height: 2px;
    background: #000;
    transform: rotate(50deg);
    position: absolute;
    top: 50%;
    left: 44%;
}

.sub5_2 .sub_content5 .table-style .thead .tr.th>div.open p {
    border: 1px solid #000;
    border-radius: 50%;
    position: absolute;
    width: 50px;
    height: 50px;
    background-color: #fff;
    right: 0;
    top: -85%;
    position: relative;
}

.sub5_2 .sub_content5 .table-style .thead .tr.th>div.open p::before {
    content: '';
    width: 25px;
    height: 1px;
    background: #000;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    left: 50%;
}

.sub5_2 .sub_content5 .table-style .thead .tr.th>div.open p::after {
    content: '';
    width: 24px;
    height: 1px;
    background: #000;
    transform: translate(-50%, -50%) rotate(90deg);
    position: absolute;
    top: 50%;
    left: 50%;
}

.sub5_2 .sub_content5 .table-style .tbody {
    display: none;
}

.sub5_2 .sub_content5 .table-style .tbody .tr {
    border-bottom: 1px solid #000;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.sub5_2 .sub_content5 .table-style .tbody .tr.th {
    font-weight: bold;
    padding: clamp(12px, 2vw, 25px);
}

.sub5_2 .sub_content5 .table-style .tbody .tr.th>div {
    width: 100%;
    text-align: center;
    flex: 0 1 calc(100% / 4);
    font-size: clamp(22px, 2vw, 25px);
}

.sub5_2 .sub_content5 .table-style .tbody .tr>.td {
    padding: 15px 0;
}

.sub5_2 .sub_content5 .table-style.action .thead {
    background-color: #e5edf9;
    border-bottom: 2px solid;
}

.sub5_2 .sub_content5 .table-style.action .tr.th>div.open {
    display: none;
}

.sub5_2 .sub_content5 .table-style.action .tr.th>div.close {
    display: flex;
    justify-content: flex-end;
    gap: 55px;
    padding-right: clamp(20px, 2.8vw, 60px);
    align-items: center;
    font-size: clamp(18px, 2vw, 20px);
    font-weight: 100;
}

.sub5_2 .sub_content5 .table-style.action .tbody {
    display: block;
}

.sub5_2 .sub_content5 .table-style .tbody .tr.th>div:nth-child(1) {
    padding: 0 0 0 clamp(20px, 2vw, 35px);
    text-align: left;
}

.sub5_2 .sub_content5 .table-style .tbody .tr>.td:nth-child(1) {
    padding: 15px 0 15px clamp(20px, 2vw, 35px);
    text-align: left;
}

.sub5_2 .sub_content5 .table-style .tbody .tr:last-child {
    border-bottom: 0px;
}

.sub5_2 .sub_content5 .table-style:nth-child(3) .tr.th {
    border-bottom: 2px solid;
}

.sub5_2 .sub_content5 .table-style:nth-child(3) .tr.tr:last-child {
    border-bottom: 1px solid;
}

@media screen and (max-width: 500px) {
    .sub5_2 .sub_content5 {
        overflow: scroll;
    }

    .sub5_2 .x-scr-view {
        background: url(../img/swipe.png) no-repeat top 160px center rgba(255, 255, 255, .8);
        display: block;
        padding-top: 30px;
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
        z-index: 999;
    }
}


/* ==========================================================================
   8. SUB 6: CONTACT & LOCATION
   ========================================================================== */
.sub_content6 {
    text-align: center;
}

.sub_content6 .text_box .title {
    font-weight: bold;
    font-size: clamp(40px, 2vw, 50px);
}

.sub_content6 .text_box .sub-title {
    font-size: clamp(22px, 2vw, 24px);
    font-weight: 500;
}

.sub_content6 .sub6 {
    display: flex;
    flex-direction: column;
    margin: 96px auto;
}

.sub_content6 .sub6 .content {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.sub_content6 .sub6 .content .text {
    background-color: #f9f9f9;
    width: 50%;
    padding: 99px 92px;
    text-align: left;
}

.sub_content6 .sub6 .content .text>.title {
    font-size: clamp(30px, 2vw, 35px);
    font-weight: bold;
    padding-bottom: 44px;
}

.sub_content6 .sub6 .content .text>.sub-title {
    font-size: clamp(22px, 2vw, 24px);
    line-height: 30px;
    font-weight: 400;
}


/* ==========================================================================
   9. MODAL
   ========================================================================== */
#modal {
    display: none;
    position: relative;
    z-index: 9;
}

#modal>.bg {
    background-color: #000;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

#modal>.bg>div {
    position: absolute;
    padding: 55px;
    box-sizing: border-box;
    border-radius: 15px;
    max-width: 40vw;
    width: 100%;
    max-height: 65vh;
    height: 100%;
    background: #fff;
    top: 54%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 7px 7px 5px rgba(0, 0, 0, 0.2);
}

#modal>.bg>div>.close::before {
    content: '';
    width: 25px;
    height: 5px;
    background: #3b78c9;
    transform: rotate(-45deg);
    position: absolute;
    top: 22px;
    right: 22px;
}

#modal>.bg>div>.close::after {
    content: '';
    width: 25px;
    height: 5px;
    background: #3b78c9;
    transform: rotate(45deg);
    position: absolute;
    top: 22px;
    right: 22px;
}

#modal>.bg>div>img {
    object-fit: contain;
    height: 100%;
    width: 100%;
}

#modal.img02>.bg>div {
    max-height: 80vh;
    max-width: 50vw;
}

@media screen and (max-width: 1200px) {
    #modal>.bg>div {
        max-width: 80vw;
        max-height: 60vw;
    }

    #modal.img02>.bg>div {
        max-width: 80vw;
        max-height: 70vw;
    }
}

@media screen and (max-width: 500px) {
    #modal>.bg>div {
        max-width: 96vw;
        max-height: 80vw;
    }

    #modal.img02>.bg>div {
        max-width: 90vw;
        max-height: 100vw;
    }
}

/* ==========================================================================
   10. SUB 2-2 & 2-3: GEAR PUMPS
   ========================================================================== */
.business-wrap {
    max-width: 1500px;
    margin: 0 auto;
    padding: clamp(40px, 5vw, 80px) 20px;
}

.biz-section {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: stretch;
    justify-content: center;
}

.biz-section>img {
    flex: 1 1 350px;
    max-width: 600px;
    width: 100%;
    border-radius: 10px;
    object-fit: cover;
}

.biz-section>div.biz-item-title {
    flex: 1 1 350px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.biz-item-title dl {
    border: 1px solid #eaeaea;
    border-radius: 10px;
    padding: clamp(20px, 3vw, 30px);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.biz-item-title dt {
    font-size: clamp(20px, 2.5vw, 24px);
    font-weight: 700;
    color: #1f448e;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #1f448e;
}

.spec-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.spec-list li {
    font-size: clamp(15px, 1.8vw, 16px);
    color: #444;
    line-height: 1.6;
    margin-bottom: 12px;
    position: relative;
    padding-left: 15px;
    word-break: keep-all;
}

.spec-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: #1f448e;
    border-radius: 50%;
}

@media (max-width: 1024px) {
    .biz-section {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .biz-section>img,
    .biz-section>div.biz-item-title {
        flex: 1 1 auto;
        width: 100%;
        max-width: 100%;
    }
}