*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-family:"Pretendard","Noto Sans KR","Malgun Gothic",Arial,sans-serif;color:#14263d;background:#fff;word-break:keep-all;line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #1687ff;outline-offset:5px}h1,h2,h3,p{margin:0}img{display:block}h2{font-size:clamp(2rem,3.2vw,3rem);font-weight:650;letter-spacing:-.055em;line-height:1.4}h3{letter-spacing:-.035em}.header{height:100px;display:flex;align-items:center;gap:40px;padding:0 5.5%;background:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid #e6eaf0}.brand{display:flex;align-items:center;gap:15px;margin-right:auto}.brand-mark{font-family:Arial,sans-serif;font-size:35px;font-weight:900;letter-spacing:-9px;line-height:1;margin-right:8px;color:#173963}.brand-mark span{color:#2964a8}.brand-name{font-size:23px;letter-spacing:-.05em;font-weight:750;line-height:1.15}.brand-name small{display:block;font-size:10px;letter-spacing:.13em;margin-top:6px}.header nav{display:flex;gap:40px;font-size:15px;font-weight:600}.header nav a:hover{color:#276dc0}.header-contact{font-size:14px;border:1px solid #cad2dc;padding:10px 22px}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:55% 45%;background:#102943;min-height:650px;color:white}.hero-copy{padding:65px 10% 24px;display:flex;flex-direction:column;position:relative}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.15em;color:#306caf;margin-bottom:22px}.eyebrow.light{color:#9cc7ef}h1{font-size:clamp(2.8rem,4.5vw,4.7rem);line-height:1.2;letter-spacing:-.055em;font-weight:650}h1 span{color:#99bfe4}.hero-description{color:#c5d0df;font-size:17px;margin:26px 0 30px;line-height:1.85}.button{display:inline-flex;justify-content:center;align-items:center;min-height:50px;padding:12px 24px;font-size:14px;font-weight:650;border:1px solid transparent}.white{background:#fff;color:#153152;align-self:flex-start}.button:hover{filter:brightness(.94)}.hero-bottom{margin-top:54px;padding-top:24px;border-top:1px solid #ffffff26;display:flex;justify-content:space-between;font-size:11px;letter-spacing:.08em;color:#a1b4cc}.hero-photo{position:relative;overflow:hidden;min-height:650px;background:#65666c}.hero-photo>img{width:100%;height:100%;position:absolute;object-fit:cover;object-position:center 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button{flex-shrink:0;border:0;background:none;padding:16px 0;color:#34465c;font-size:15px;font-weight:600;border-bottom:3px solid transparent}.product-tabs button[aria-selected=true]{color:#153d6b;border-bottom-color:#1e558d;font-weight:700}.product-panel{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;min-height:360px}.product-image{position:relative;background:#f1f3f6;overflow:hidden;height:350px}.product-image img{position:absolute;height:111%;width:auto;max-width:none;left:-6px;top:-20px}.image-label{position:absolute;bottom:0;left:0;right:0;background:#f1f3f6;color:#728195;font-size:11px;letter-spacing:.12em;padding:15px 22px}.product-copy .eyebrow{margin-bottom:8px}.product-copy h3{font-size:32px;font-weight:650;margin-bottom:20px}.product-copy>p:not(.eyebrow){font-size:16px;line-height:1.85;color:#657184;max-width:450px}.product-copy dl{margin:22px 0}.product-copy dl>div{display:flex;font-size:14px;gap:25px;padding:10px 0;border-bottom:1px solid #e7ebf0}.product-copy dt{flex-shrink:0;font-weight:650}.product-copy dd{margin:0;color:#697788}.text-link{font-size:14px;font-weight:650;border-bottom:1px solid #17395f;padding-bottom:5px;display:inline-block;margin-top:6px}.about{background:#f3f6f9;display:grid;grid-template-columns:1fr 1.18fr;gap:80px}.large-copy{font-size:23px;line-height:1.7;letter-spacing:-.035em;font-weight:550;margin-bottom:23px}.about-body>p:not(.large-copy){color:#637083;font-size:16px;line-height:1.9}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;border-top:1px solid #d5dde7;margin-top:40px;padding-top:28px}.facts strong{display:block;font-size:37px;letter-spacing:-.04em;font-weight:550}.facts span{font-size:13px;color:#66778b}.manufacturing{background:#102943;color:white}.manufacturing .section-heading>p{color:#aebed1}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:62px}.process-grid article{border-top:1px solid #52657c;padding:25px 20px 25px 0}.process-grid article+article{border-left:1px solid #344c65;padding-left:25px}.process-number{color:#90b9df;font-size:14px}.process-grid h3{font-size:22px;font-weight:550;margin:35px 0 18px}.process-grid p{font-size:15px;color:#bac9d9;line-height:1.9}.process-en{display:block;font-size:10px;letter-spacing:.08em;color:#839db9;margin-top:35px}.quality-note{border-top:1px solid #344c65;padding-top:24px;display:flex;justify-content:space-between;font-size:14px;margin-top:20px}.quality-note>span{font-size:11px;letter-spacing:.13em;color:#94acc6}.guide{display:grid;grid-template-columns:1fr 1.18fr;gap:80px}.questions details{border-bottom:1px solid #d9e0e8;padding:0 0 23px;margin-bottom:23px}.questions summary{font-size:17px;font-weight:550;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}.questions summary:after{content:"+";font-size:22px;font-weight:400;line-height:1}.questions details[open] summary:after{content:"−"}.questions details p{color:#687689;font-size:15px;margin-top:18px;line-height:1.9}.contact{background:#eef3f8;display:grid;grid-template-columns:1.1fr 1fr;gap:90px}.contact-phone{display:block;font-size:clamp(1.8rem,3vw,2.6rem);font-weight:600;letter-spacing:-.02em;margin-top:32px}.email{display:inline-block;font-size:17px;color:#61748b}.contact-info{border-left:1px solid #ccd7e3;padding-left:65px;align-self:center}.contact-info h3{font-size:22px;font-weight:600;margin-bottom:4px}.contact-info p+h3{margin-top:20px}.contact-info p{font-size:16px}.contact-info .muted{margin-top:18px;color:#6b7c90;font-size:14px;line-height:1.9}.contact-actions{display:flex;gap:12px;margin-top:30px}.navy{background:#15395f;color:#fff}.outline{border:1px solid #b9c8d8;color:#183857;background:transparent}.status{min-height:24px;margin-top:12px;color:#346ba0;font-size:14px!important}footer{padding:40px 5.5%;display:flex;align-items:center;gap:30px;font-size:12px;color:#7b8899}footer .brand{color:#14263d}footer>a:last-child{font-size:13px}.skip{position:fixed;left:12px;top:-100px;padding:10px;background:white;z-index:100}.skip:focus{top:10px}@media(min-width:1600px){.hero{min-height:730px}.hero-photo{min-height:730px}.section{padding-left:max(7%,calc((100vw - 1450px)/2));padding-right:max(7%,calc((100vw - 1450px)/2))}.hero-copy{padding-top:80px}}@media(max-width:1100px){.header{gap:22px;padding:0 4%}.header nav{gap:22px}.hero-copy{padding-left:8%;padding-right:8%}.hero{min-height:600px}.hero-photo{min-height:600px}.section{padding:80px 5%}.product-panel{gap:30px}.product-image{height:300px}.about,.guide{gap:40px}.contact{gap:40px}.contact-info{padding-left:35px}.intro-strip>div{gap:20px}}@media(max-width:760px){html{scroll-padding-top:76px}.header{height:76px;padding:0 6%;gap:16px}.brand-name{font-size:20px}.brand-mark{font-size:30px}.header-contact{margin-left:auto;font-size:13px;padding:7px 12px}.menu-toggle{display:block;border:0;background:none;font-size:13px;padding:8px 0}.header nav{display:none;position:absolute;top:76px;left:0;width:100%;background:white;box-shadow:0 12px 15px #10294312;padding:24px 6%;flex-direction:column;gap:20px}.header nav.open{display:flex}.hero{grid-template-columns:1fr}.hero-copy{padding:47px 7% 25px}h1{font-size:clamp(2.6rem,10vw,4rem)}.hero-description{font-size:16px}.hero-bottom{margin-top:38px}.hero-photo{min-height:390px}.hero-photo>img{object-position:center 49%}.photo-caption{left:7%;bottom:28px}.photo-caption strong{font-size:23px}.intro-strip{align-items:flex-start;padding:22px 7%;gap:13px;flex-direction:column}.intro-strip>div{flex-wrap:wrap;gap:10px 20px;font-size:12px}.section{padding:65px 7%}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:22px;font-size:15px}.eyebrow{margin-bottom:17px;font-size:11px}.product-tabs{gap:24px;margin-bottom:26px}.product-tabs button{font-size:14px}.product-panel{grid-template-columns:1fr;gap:27px}.product-image{height:300px}.product-copy h3{font-size:28px}.product-copy>p:not(.eyebrow){font-size:15px}.about,.guide,.contact{grid-template-columns:1fr;gap:32px}.large-copy{font-size:20px}.facts strong{font-size:31px}.facts span{font-size:12px}.desktop{display:none}.process-grid{grid-template-columns:1fr 1fr;margin-top:32px;row-gap:20px}.process-grid article{padding:20px 12px 22px 0}.process-grid article+article{padding-left:15px}.process-grid article:nth-child(3){border-left:0;padding-left:0}.process-grid h3{font-size:19px;margin-top:22px}.process-grid p{font-size:14px}.process-en{font-size:9px;letter-spacing:0}.quality-note{flex-direction:column;gap:13px;font-size:13px}.questions summary{font-size:16px}.contact-info{border-left:0;border-top:1px solid #ccd7e3;padding:28px 0 0}.contact-phone{font-size:30px}footer{padding:32px 7%;flex-wrap:wrap;gap:20px}footer p{order:3;width:100%;font-size:11px}.brand-name small{font-size:9px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.brand-symbol{width:64px;height:auto;flex-shrink:0;object-fit:contain;filter:url(#brand-navy)}@media(max-width:760px){.brand-symbol{width:51px}}
.equipment{background:#fff;border-top:1px solid #e6eaf0}.equipment-heading{margin-bottom:36px}.equipment-content{max-width:1060px;margin:0 auto}.equipment-process{width:100%;max-width:900px;height:auto;margin:0 auto 36px}.equipment-table-scroll{overflow-x:auto}.equipment-table{border-collapse:collapse;width:100%;min-width:710px;font-size:14px;color:#526170;text-align:center}.equipment-table caption{text-align:left;font-size:18px;font-weight:600;color:#14263d;padding-bottom:16px}.equipment-table th{background:#eee;color:#344454;font-weight:600;padding:12px 10px;border-bottom:2px solid #cbd3da;white-space:nowrap}.equipment-table td{padding:11px 10px;border-bottom:1px solid #e0e5e9;line-height:1.65}.equipment-table th:nth-child(1){width:6%}.equipment-table th:nth-child(2){width:17%}.equipment-table th:nth-child(3){width:29%}.equipment-table th:nth-child(4){width:9%}.equipment-table th:nth-child(5){width:33%}.equipment-table th:nth-child(6){width:6%}.header nav{gap:28px}@media(max-width:1100px) and (min-width:761px){.header{gap:20px;padding-left:3%;padding-right:3%}.header nav{gap:18px}.header-contact{padding:10px 14px}}@media(max-width:760px){.equipment-heading{margin-bottom:24px}.equipment-process{margin-bottom:24px}.equipment-table{font-size:13px}.equipment-table td{padding:10px 8px}}
/* Copy lengths and equipment caption */
.hero h1{font-size:clamp(2.45rem,3.75vw,4rem);line-height:1.3}.equipment-visual{max-width:900px;margin:0 auto 36px}.equipment-visual h3{font-size:18px;margin-bottom:14px}.equipment-image-window{overflow:hidden}.equipment-image-window .equipment-process{margin:-3.45% 0 0;width:100%;max-width:none}.contact-actions{flex-wrap:wrap}@media(max-width:760px){.hero h1{font-size:clamp(1.8rem,7.3vw,3.2rem)}.equipment-visual{margin-bottom:24px}}
/* Original product photography */
.product-image.original-product-photo{height:auto;aspect-ratio:5/4;background:#263b4a}.original-product-photo .image-label{height:40px;padding:10px 18px}.hero-photo>img{object-position:center center;filter:none}@media(max-width:760px){.hero-photo{min-height:0;aspect-ratio:4047/5020}.hero-photo>img{object-position:center center}}
/* Company introduction source documents and compact brand */
.brand-symbol{width:52px}.brand{gap:12px}.company-ceo,.company-history{grid-column:1/-1;min-width:0;border-top:1px solid #d5dde7;padding-top:48px}.company-subheading{font-size:28px;font-weight:650;line-height:1.4;margin-bottom:30px}.ceo-layout{display:grid;grid-template-columns:minmax(240px,.8fr) 1.6fr;gap:54px;align-items:start}.ceo-portrait{margin:0;max-width:380px}.ceo-portrait>img{display:block;width:100%;height:auto}.ceo-portrait figcaption{margin-top:16px;color:#52657a;font-size:15px}.ceo-copy>p{font-size:17px;line-height:2.05;color:#34465c;white-space:pre-wrap}.ceo-signature{display:flex;justify-content:flex-end;align-items:center;gap:20px;margin-top:28px;font-size:16px;color:#34465c}.ceo-signature img{width:135px;height:auto;mix-blend-mode:multiply}.company-history{display:grid;grid-template-columns:.65fr 1.65fr;gap:48px}.history-list{list-style:none;margin:0;padding:0}.history-list li{display:grid;grid-template-columns:115px 1fr;position:relative;gap:25px;padding:0 0 24px 24px;border-left:1px solid #c7d2df;line-height:1.8;font-size:16px}.history-list li:before{content:'';position:absolute;left:-5px;top:9px;width:9px;height:9px;border-radius:50%;background:#32669d}.history-list li:last-child{padding-bottom:0}.history-list time{font-weight:650;color:#173d68;white-space:nowrap}.history-event{color:#44556a;white-space:pre-wrap}.history-gap{display:none}
@media(max-width:1100px){.ceo-layout{gap:32px}.company-history{grid-template-columns:.5fr 1.5fr;gap:24px}}@media(max-width:760px){.brand-symbol{width:44px}.brand{gap:10px}.company-ceo,.company-history{padding-top:32px}.company-subheading{font-size:25px;margin-bottom:24px}.ceo-layout{grid-template-columns:1fr;gap:28px}.ceo-portrait{max-width:340px;width:100%;margin:0 auto}.ceo-copy>p{font-size:16px;line-height:2}.company-history{grid-template-columns:1fr;gap:0}.history-list li{grid-template-columns:1fr;gap:5px;padding-left:20px;font-size:15px}.ceo-signature img{width:120px}}@media(max-width:380px){.header{gap:10px}.brand{gap:8px}.brand-symbol{width:38px}.brand-name{font-size:19px}.brand-name small{font-size:8px;letter-spacing:.08em}.header-contact{padding:7px 8px}.menu-toggle{font-size:12px}}
/* Two grounding product types, stacked photography */
.product-image.grounding-photo{height:auto;aspect-ratio:auto;background:#263b4a;align-self:start}
.grounding-photo>#product-image,.grounding-photo>.image-label{display:none}
.grounding-gallery[hidden],.grounding-variants[hidden]{display:none}
.grounding-gallery figure{margin:0}
.grounding-gallery figure+figure{border-top:12px solid white}
.product-image .grounding-gallery img{display:block;position:static;width:100%;height:auto;aspect-ratio:2.1/1;max-width:100%;object-fit:contain}
.grounding-gallery figcaption{padding:10px 18px;background:#f1f3f6;color:#17395f;font-size:15px;font-weight:650}
.grounding-variants{margin:24px 0;border-top:1px solid #dce4ec}
.grounding-variants>div{padding-top:16px}
.grounding-variants h4{font-size:17px;color:#17395f;margin:0 0 5px;font-weight:650}
.grounding-variants p{font-size:15px;line-height:1.85;color:#657184;margin:0}
/* Contact phone and fax */
.contact-numbers{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px 22px;margin:30px 0 12px;padding-top:24px;border-top:1px solid #ccd7e3}.contact-numbers .contact-phone,.contact-fax{margin:0;font-size:18px;font-weight:400;letter-spacing:normal;white-space:nowrap;color:#34465c}@media(max-width:760px){.contact-numbers{gap:8px 20px;padding-top:20px}.contact-numbers .contact-phone,.contact-fax{font-size:17px}}
.contact-emails{display:grid;grid-template-columns:max-content minmax(0,1fr);column-gap:.3em;width:max-content;max-width:100%;font-size:17px;color:#61748b}.contact-emails .email-label{grid-column:1;grid-row:1 / 3}.contact-emails .email{grid-column:2}
/* Factory photograph beside visitor address */
.factory-location-photo{margin:22px 0 0;max-width:500px}.factory-location-photo img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;object-position:center 70%}.factory-location-photo figcaption{margin-top:8px;font-size:13px;color:#61748b}@media(max-width:760px){.factory-location-photo{max-width:none;margin-top:18px}}
/* Equal contact actions in one row */
.contact-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.contact-actions .button{display:flex;align-items:center;justify-content:center;width:100%;height:56px;min-width:0;padding:8px;font-size:14px;line-height:1.4;text-align:center;white-space:normal;word-break:keep-all}.contact-actions .navy{border:1px solid #15395f}@media(max-width:380px){.contact-actions{gap:6px}.contact-actions .button{padding:6px 4px;font-size:13px}}
/* Selected product: translucent panel plus the existing underline. */
.product-tabs{gap:10px}
.product-tabs button{padding:14px 14px;border-radius:4px 4px 0 0}
.product-tabs button[aria-selected=true]{background:rgba(30,85,141,.02);box-shadow:inset 0 0 0 1px rgba(30,85,141,.07)}
@media(max-width:760px){.product-tabs{gap:6px}.product-tabs button{padding:12px 12px}}