:root{--ink:#0F1B26;--ink2:#1C2B38;--paper:#F3F5F6;--line:#D9DFE3;--cyan:#14B4C8;--cyan-d:#0b7f8e;--cta:#FF6B1A;--cta-d:#e55a0c;--kk:#FEE500;--kk-t:#191600;--mut:#4d5d69;--w:1180px;--f:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Noto Sans KR','Noto Sans CJK KR','Malgun Gothic','Apple SD Gothic Neo',system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--f);color:var(--ink);background:#fff;line-height:1.7;font-size:16px;word-break:keep-all;overflow-wrap:break-word}
img,svg{max-width:100%;height:auto;display:block}a{color:inherit}
h1,h2,h3{line-height:1.3;margin:0 0 .5em;letter-spacing:-.01em}p{margin:0 0 1em}ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--cta);color:#fff;padding:10px 14px;z-index:100}.skip:focus{left:0}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand img{width:168px;height:36px}
.menu-btn{display:none;width:44px;height:44px;border:0;background:none;padding:10px;cursor:pointer}
.menu-btn span{display:block;height:2px;background:var(--ink);margin:6px 0;transition:.2s}
.gnav{display:flex;align-items:center;gap:20px}.gnav>ul{display:flex;gap:4px}
.nav-link{font:inherit;font-size:15px;font-weight:600;text-decoration:none;color:var(--ink);background:none;border:0;padding:10px 12px;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.nav-link:hover,.nav-link.is-active{color:var(--cyan-d)}
.has-sub{position:relative}.sub{display:none;position:absolute;top:100%;left:0;min-width:190px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px rgba(15,27,38,.12);padding:6px}
.sub a{display:block;padding:10px 12px;text-decoration:none;font-size:15px}.sub a:hover{background:var(--paper)}
.has-sub:hover .sub,.has-sub.open .sub,.has-sub:focus-within .sub{display:block}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;text-decoration:none;border:2px solid transparent;border-radius:4px;padding:12px 22px;min-height:44px;line-height:1.2;text-align:center;transition:.15s;cursor:pointer;font-family:inherit;font-size:16px}
.btn-lg{padding:16px 28px;font-size:17px}.btn-sm{padding:8px 16px;font-size:14px;min-height:40px}
.btn-kakao{background:var(--kk);color:var(--kk-t)}.btn-kakao:hover{background:#f2da00}
.btn-cta{background:var(--cta);color:#fff}.btn-cta:hover{background:var(--cta-d)}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:var(--ink2)}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}.btn-ghost-light:hover{background:rgba(255,255,255,.1)}
.btn-line{border-color:var(--ink);color:var(--ink)}.btn-line:hover{background:var(--ink);color:#fff}
/* hero */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;
background-image:linear-gradient(rgba(20,180,200,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(20,180,200,.09) 1px,transparent 1px);background-size:40px 40px}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:72px 20px 64px}
.eyebrow{display:inline-block;font-size:14px;font-weight:700;color:var(--cyan);letter-spacing:.02em;margin-bottom:14px;border:1px solid rgba(20,180,200,.5);padding:5px 12px}
.hero h1{font-size:clamp(32px,4.6vw,56px);font-weight:800;margin-bottom:.45em}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero .lead{font-size:clamp(16px,1.5vw,19px);color:#cbd8e0;max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 28px}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chips li{font-size:14px;font-weight:600;color:#dbe7ee;border:1px solid rgba(255,255,255,.22);padding:6px 12px;background:rgba(255,255,255,.04)}
.hero-art{position:relative}.hero-art img{width:100%;border:1px solid rgba(20,180,200,.35)}
.hero-sm .hero-in{grid-template-columns:1fr;padding:56px 20px 48px}.hero-sm h1{font-size:clamp(28px,4vw,44px)}
.crumb{font-size:13px;color:#8ea4b3;margin-bottom:12px}.crumb a{text-decoration:none}.crumb a:hover{color:var(--cyan)}
/* sections */
.sec{padding:72px 0}.sec-alt{background:var(--paper)}.sec-dark{background:var(--ink);color:#fff}
.sec-head{max-width:760px;margin-bottom:36px}.sec-head .kicker{color:var(--cyan-d);font-weight:800;font-size:14px;letter-spacing:.06em;margin-bottom:8px}
.sec-dark .kicker{color:var(--cyan)}
.sec h2{font-size:clamp(25px,3vw,36px);font-weight:800}.sec h3{font-size:19px;font-weight:700}
.sec-head p{color:var(--mut);font-size:17px}.sec-dark .sec-head p{color:#b9c9d4}
.prose{max-width:780px}.prose p,.prose li{font-size:17px}.prose ul{list-style:disc;padding-left:1.3em}.prose li{margin-bottom:.4em}
.two{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.two.top{align-items:start}.two>*,.equip>*,.hero-in>*{min-width:0}.proc.c2{grid-template-columns:repeat(2,1fr)}
/* pain */
.pain{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);background:#fff}
.pain li{padding:24px 26px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);font-size:17px;font-weight:600;display:flex;gap:14px}
.pain li:nth-child(2n){border-right:0}.pain li:nth-last-child(-n+2){border-bottom:0}
.pain b{color:var(--cyan-d);font-variant-numeric:tabular-nums;font-size:14px;padding-top:3px}
.answer{margin-top:28px;font-size:22px;font-weight:800;display:flex;align-items:center;gap:14px}.answer::before{content:"";width:40px;height:3px;background:var(--cta)}
/* material cards: 판재 견본 */
.mat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mcard{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;text-decoration:none;transition:.2s}
.mcard:hover{border-color:var(--cyan);transform:translateY(-3px);box-shadow:0 10px 26px rgba(15,27,38,.1)}
.swatch{height:132px;position:relative;background:linear-gradient(135deg,#e8edf0,#fff);overflow:hidden;border-bottom:1px solid var(--line);
background-image:linear-gradient(rgba(15,27,38,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(15,27,38,.05) 1px,transparent 1px);background-size:16px 16px}
.pl{position:absolute;border:1.5px solid;width:96px;height:78px}
.sw-ac .p1{left:26px;top:22px;background:rgba(20,180,200,.28);border-color:#14B4C8}.sw-ac .p2{left:62px;top:40px;background:rgba(255,255,255,.55);border-color:#7f94a3}.sw-ac .p3{left:98px;top:30px;background:rgba(255,107,26,.25);border-color:#FF6B1A}
.sw-pc .p1{left:30px;top:26px;background:rgba(15,27,38,.14);border-color:#33485a}.sw-pc .p2{left:70px;top:44px;background:rgba(20,180,200,.22);border-color:#14B4C8}.sw-pc .p3{left:104px;top:24px;background:rgba(255,255,255,.6);border-color:#8aa0af}
.sw-fx .p1{left:24px;top:24px;background:#fff;border-color:#8aa0af}.sw-fx .p2{left:56px;top:38px;background:#2b3640;border-color:#2b3640}.sw-fx .p3{left:90px;top:26px;background:#d5463c;border-color:#d5463c;width:60px}.sw-fx .p4{left:126px;top:50px;background:#2f6fd0;border-color:#2f6fd0;width:60px;height:60px}.sw-fx .p5{left:150px;top:22px;background:#f1c232;border-color:#f1c232;width:50px;height:50px}
.sw-ot{background-color:#eef2f4}.sw-ot .p1{left:34px;top:30px;border-style:dashed;background:transparent;border-color:#7f94a3}.sw-ot .p2{left:84px;top:46px;border-style:dashed;background:transparent;border-color:#7f94a3}
.mbody{padding:20px;display:flex;flex-direction:column;gap:6px;flex:1}.mbody h3{margin:0}.mbody p{font-size:15px;color:var(--mut);margin:0}
.mmore{margin-top:auto;padding-top:10px;font-weight:700;font-size:14px;color:var(--cyan-d)}
/* equipment band */
.equip{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.equip .plate{border:1px solid rgba(20,180,200,.4);background:#0c1721}
.dia-note{font-size:12px;color:#8ea4b3;margin-top:8px}
.proc{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
.proc li{border:1px solid rgba(255,255,255,.18);padding:18px 20px;background:rgba(255,255,255,.03)}
.proc b{display:block;font-size:17px;margin-bottom:4px}.proc span{font-size:14.5px;color:#b9c9d4}.proc i{font-style:normal;font-size:12px;color:var(--cyan);font-weight:800;letter-spacing:.08em;display:block;margin-bottom:6px}
.light .proc li{border-color:var(--line);background:#fff}.light .proc span{color:var(--mut)}.light .proc i{color:var(--cyan-d)}
.proc.light li{border-color:var(--line);background:#fff}.proc.light span{color:var(--mut)}.proc.light i{color:var(--cyan-d)}
/* strengths */
.str{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:20px}
.str li{background:#fff;border:1px solid var(--line);padding:28px}
.str li:first-child{background:var(--ink);color:#fff;border-color:var(--ink)}.str li:first-child .ev{color:#b9c9d4;border-color:rgba(255,255,255,.2)}
.str .no{font-weight:800;color:var(--cyan);font-size:14px;letter-spacing:.06em;display:block;margin-bottom:8px}
.str h3{font-size:21px}.ev{margin:14px 0 0;padding-top:14px;border-top:1px dashed var(--line);font-size:15px;color:var(--mut)}
/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;position:relative}
.steps li{position:relative;padding:0 24px 0 0}.steps li::before{counter-increment:s;content:"0" counter(s);display:block;font-weight:800;font-size:34px;color:var(--cyan-d);line-height:1;padding-bottom:14px;border-bottom:3px solid var(--ink);margin-bottom:14px}
.steps h3{margin-bottom:.3em}.steps p{font-size:15px;color:var(--mut);margin:0}
.check{background:#fff;border:1px solid var(--line);padding:26px 28px}.check h3{margin-bottom:12px}.check li{padding:8px 0 8px 32px;position:relative;border-bottom:1px solid var(--paper)}
.check li::before{content:"";position:absolute;left:2px;top:14px;width:16px;height:16px;border:2px solid var(--cyan-d);}
.check li:last-child{border:0}
/* table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:15.5px}th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--ink);color:#fff;font-weight:700;border-bottom:0}tbody th{background:var(--paper);font-weight:700;white-space:nowrap}tbody tr:last-child>*{border-bottom:0}
.note{font-size:14px;color:var(--mut);margin-top:10px}
/* faq */
.faq-list{max-width:860px;border-top:2px solid var(--ink)}
.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;list-style:none;padding:20px 40px 20px 4px;font-weight:700;font-size:17.5px;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"Q.";color:var(--cyan-d);margin-right:10px;font-weight:800}
.faq-item summary::after{content:"";position:absolute;right:8px;top:50%;width:10px;height:10px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:translateY(-70%) rotate(45deg);transition:.2s}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-a{padding:0 4px 22px 32px;color:#2c3a45}.faq-a p{margin:0}
/* blog */
.blog-block{max-width:1000px}.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);padding:22px;text-decoration:none}.post-card:hover{border-color:var(--cyan)}
.post-cat{font-size:13px;font-weight:700;color:var(--cyan-d)}.post-ex{font-size:14.5px;color:var(--mut)}.post-more{margin-top:auto;font-weight:700;font-size:14px}
.blog-empty p{font-size:17px;max-width:640px}.blog-cats{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 24px}
.chip-link{text-decoration:none;font-weight:700;font-size:15px;border:1.5px solid var(--ink);padding:9px 16px;background:#fff;min-height:44px;display:inline-flex;align-items:center}.chip-link:hover{background:var(--ink);color:#fff}
/* cta band */
.cta-band{background:var(--ink2);color:#fff;border-top:4px solid var(--cyan);
background-image:linear-gradient(rgba(20,180,200,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(20,180,200,.07) 1px,transparent 1px);background-size:40px 40px}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:30px;padding-top:56px;padding-bottom:56px}
.cta-in h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:.3em}.cta-in p{margin:0;color:#b9c9d4}.cta-btns{display:flex;flex-wrap:wrap;gap:12px}
/* info */
.dl{display:grid;grid-template-columns:130px 1fr;border:1px solid var(--line);background:#fff}
.dl dt,.dl dd{margin:0;padding:14px 18px;border-bottom:1px solid var(--line)}.dl dt{background:var(--paper);font-weight:700}.dl dt:nth-last-of-type(1),.dl dd:last-of-type{border-bottom:0}
.photo{border:1px solid var(--line);background:#fff;padding:8px}.photo img{width:100%;aspect-ratio:3/2;object-fit:cover}.photo figcaption{font-size:13px;color:var(--mut);padding:8px 4px 0}
.brandlist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.brandlist a{display:block;border:1px solid var(--line);background:#fff;padding:18px 20px;text-decoration:none}
.brandlist a:hover{border-color:var(--cyan)}.brandlist b{display:block;font-size:17px}.brandlist span{font-size:14px;color:var(--mut)}
.callout{border:1px solid var(--cyan);background:rgba(20,180,200,.07);padding:20px 24px;margin:24px 0}.callout p{margin:0}
.spec-art{background:var(--ink);padding:0;border:1px solid var(--ink2)}
/* footer */
.site-footer{background:var(--ink);color:#b9c9d4;padding-top:56px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px}
.site-footer h2{color:#fff;font-size:15px;margin-bottom:12px}.site-footer li{margin-bottom:6px}.site-footer a{text-decoration:none}.site-footer a:hover{color:var(--cyan)}
.foot-contact a{color:#fff;font-size:20px;font-weight:800}
.foot-legal{border-top:1px solid rgba(255,255,255,.14);padding-top:22px;padding-bottom:90px;line-height:1.8}.foot-legal p{margin:0 0 .7em}.foot-legal strong{color:#fff}.copy{font-size:13px;color:#7f94a3}
/* mobile bar */
.mbar{display:none}
@media (max-width:1024px){
.mat{grid-template-columns:repeat(2,1fr)}.str{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr);row-gap:30px}.proc{grid-template-columns:repeat(2,1fr)}.post-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
.menu-btn{display:block}.gnav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 20px 20px;gap:10px;max-height:calc(100vh - 64px);overflow:auto}
.gnav.open{display:flex}.gnav>ul{flex-direction:column}.nav-link{width:100%;justify-content:space-between;padding:14px 4px;border-bottom:1px solid var(--paper)}
.sub{position:static;box-shadow:none;border:0;padding:0 0 0 14px;min-width:0}.has-sub:hover .sub{display:none}.has-sub.open .sub{display:block}
.hero-in,.two,.equip{grid-template-columns:1fr}.hero-in{padding:48px 20px 44px;gap:28px}.two,.equip{gap:28px}
.pain{grid-template-columns:1fr}.pain li{border-right:0}.pain li:nth-last-child(2){border-bottom:1px solid var(--line)}
.cta-in{flex-direction:column;align-items:flex-start}.foot-grid{grid-template-columns:1fr;gap:28px}.brandlist{grid-template-columns:1fr}
.sec{padding:52px 0}.dl{grid-template-columns:100px 1fr}
.mbar{display:grid;grid-template-columns:1fr 1.7fr;position:fixed;left:0;right:0;bottom:0;z-index:60;box-shadow:0 -4px 16px rgba(0,0,0,.18)}
.mbar a{display:flex;align-items:center;justify-content:center;min-height:56px;font-weight:800;text-decoration:none;font-size:15.5px}
.mbar-tel{background:var(--ink);color:#fff}.mbar-kakao{background:var(--kk);color:var(--kk-t)}
}
@media (max-width:560px){.mat,.post-grid,.steps,.proc,.proc.c2{grid-template-columns:1fr}.hero-cta .btn,.cta-btns .btn{width:100%}.answer{font-size:19px}.pain li{padding:18px}.str li{padding:22px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.steps li,.check li,.proc li,.pain li,.str li{list-style:none}.check ul{list-style:none;padding:0}

/* 모바일 표: 옆으로 밀어 보는 안내 (독립검수 M-9) */
.tbl-hint{display:none;font-size:13px;color:var(--mut);margin:0 0 6px}
@media (max-width:640px){.tbl-hint{display:block}.tbl-wrap{box-shadow:inset -14px 0 12px -12px rgba(15,27,38,.35)}}

/* v2: 히어로 소재 칩 */
.hero-sub{font-size:13px;font-weight:700;color:#8ea4b3;margin:6px 0 8px;letter-spacing:.04em}
.mchips{display:flex;flex-wrap:wrap;gap:8px}.mchips a{display:inline-flex;align-items:center;min-height:36px;font-size:14px;font-weight:600;color:#dbe7ee;border:1px solid rgba(255,255,255,.28);padding:6px 12px;text-decoration:none;background:rgba(255,255,255,.04)}
.mchips a:hover{border-color:var(--cyan);color:#fff}
/* v2: 많이 묻는 4가지 */
.asks{list-style:none;margin:0;padding:0;max-width:860px;border-top:2px solid var(--ink)}
.asks a{display:grid;grid-template-columns:1.3fr 1fr 64px;gap:18px;align-items:center;padding:18px 4px;border-bottom:1px solid var(--line);text-decoration:none}
.asks a:hover .q{color:var(--cyan-d)}.asks .q{font-weight:700;font-size:18px}.asks .q::after{content:" →";color:var(--cyan-d)}
.asks .bar{height:10px;background:var(--paper);position:relative}.asks .bar i{position:absolute;left:0;top:0;bottom:0;background:var(--cyan)}
.asks .n{font-weight:800;text-align:right;font-variant-numeric:tabular-nums}
/* v2: 되는 것/하지 않는 것/도면 보고 */
.tri{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tri-col{background:#fff;border:1px solid var(--line);border-top:4px solid var(--cyan);padding:24px 24px 18px}
.tri-col.no{border-top-color:var(--cta)}.tri-col.ask{border-top-color:var(--ink)}
.tri-col h3{margin-bottom:10px}.tri-col li{list-style:none;padding:9px 0;border-bottom:1px solid var(--paper);font-size:15.5px}.tri-col li:last-child{border:0}
/* v2: 소재 그리드 */
.mgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.mg{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);padding:18px;text-decoration:none;min-height:150px}
.mg:hover{border-color:var(--cyan);box-shadow:0 8px 22px rgba(15,27,38,.08)}.mg b{font-size:17px}.mg span{font-size:14px;color:var(--mut)}.mg i{margin-top:auto;font-style:normal;font-weight:700;font-size:13.5px;color:var(--cyan-d)}
table.need td a{font-weight:700;color:var(--cyan-d)}table.need tbody th{white-space:normal;font-weight:600}
/* v2: 일하는 방식 */
.ways{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:2px solid var(--ink);counter-reset:w}
.ways li{padding:24px 26px 24px 64px;border-bottom:1px solid var(--line);position:relative}
.ways li::before{counter-increment:w;content:counter(w);position:absolute;left:18px;top:22px;width:30px;height:30px;border:2px solid var(--cyan-d);color:var(--cyan-d);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
.ways b{display:block;font-size:18px;margin-bottom:6px}.ways span{color:var(--mut);font-size:15.5px}
/* v2: 견적 요소 */
.factors{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.factors li{list-style:none;background:#fff;border:1px solid var(--line);padding:18px 20px}.factors b{display:block;font-size:17px;margin-bottom:4px}.factors span{font-size:14.5px;color:var(--mut)}
/* v2: 참고 자료 */
.srcs{margin-top:28px;max-width:860px;border:1px solid var(--line);background:#fff;padding:14px 18px}.srcs summary{cursor:pointer;font-weight:700;font-size:15px}
.srcs p{font-size:14px;color:var(--mut);margin:10px 0 6px}.srcs li{list-style:disc;margin-left:1.2em;font-size:14px}
@media (max-width:1024px){.mgrid{grid-template-columns:repeat(3,1fr)}.tri{grid-template-columns:1fr}.factors{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.mgrid{grid-template-columns:repeat(2,1fr)}.ways{grid-template-columns:1fr}.factors{grid-template-columns:1fr}
.asks a{grid-template-columns:1fr 48px;gap:8px}.asks .bar{grid-column:1/-1;grid-row:2}.asks .q{font-size:16px}}

thead th{white-space:nowrap}