:root{--blue:#0758ac;--ink:#16364a;--muted:#5e7481;--light:#eff7fb;--paper:#fff;--line:#d6e3eb;--accent:#bdeaff;--r:24px;--wide:1200px;--p:0}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:var(--paper);font-family:'Pretendard Variable','Pretendard','Malgun Gothic','Apple SD Gothic Neo',sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:5px}.skip{position:fixed;top:-100px}.skip:focus{top:10px;z-index:100;background:white;padding:10px}header{position:fixed;z-index:20;top:18px;left:3%;width:94%;height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;border-radius:60px;transition:background .25s,box-shadow .25s}body.scrolled header{background:rgba(255,255,255,.94);box-shadow:0 8px 35px #16364a10;backdrop-filter:blur(16px)}.brand{display:flex;gap:10px;align-items:center;font-size:27px;letter-spacing:-1.4px;font-weight:800}.brand small{font-size:11px;display:block;letter-spacing:3px;margin-top:-5px}.symbol{font-size:45px;color:var(--blue)}nav{display:flex;gap:35px;font-weight:600;font-size:15px}nav a.active{color:var(--blue)}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;border:0;padding:15px 25px;border-radius:50px;background:var(--blue);color:white;font-size:14px;font-weight:700}.button.light{background:white;color:var(--blue)}#menu{display:none}.hero-shell{padding:0 calc(var(--p)*24px)}.hero{position:relative;min-height:720px;height:100svh;max-height:1000px;overflow:hidden;border-radius:calc(var(--p)*36px);background:var(--light);isolation:isolate}.hero:before{content:'';position:absolute;inset:0;z-index:-2;background:var(--hero-image,url(assets/hero.jpg)) center/cover;transform:scale(calc(1.05 - var(--p)*.05))}.hero:after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#eaf4faef 0%,#eaf4faaa 38%,#d1e7f50d 75%)}.hero-copy{position:absolute;top:30%;left:max(6%,calc((100% - 1200px)/2));max-width:650px}.eyebrow{color:var(--blue);font-size:14px;font-weight:700;margin-bottom:22px}h1{font-size:clamp(42px,5.2vw,76px);line-height:1.22;letter-spacing:-4px;margin:0 0 28px;font-weight:700}h2{font-size:clamp(30px,3.3vw,46px);line-height:1.4;letter-spacing:-2px;margin:0 0 24px}h3{font-size:25px;margin:0 0 15px;letter-spacing:-1px}p{color:var(--muted)}.hero-copy p{margin-bottom:32px;font-size:18px}.scroll-hint{position:absolute;bottom:35px;left:6%;font-size:12px;display:flex;gap:20px}.scroll-hint span{font-size:20px}.wrap{width:min(88%,var(--wide));margin:auto}.section{padding:110px 0}.section-title{display:flex;justify-content:space-between;align-items:end;margin-bottom:40px}.section-title p{max-width:370px}.pair{display:grid;grid-template-columns:1fr 1fr;gap:26px}.card{display:block;border-radius:var(--r);overflow:hidden;background:var(--light)}.card .visual{height:310px;background:url(room.svg) center/cover;transition:background-size .3s}.card:nth-child(2) .visual{background-position:right;filter:hue-rotate(15deg)}.card-content{padding:30px 34px}.card p{margin:8px 0 18px}.arrow{float:right;color:var(--blue)}.soft{background:var(--light)}.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.tile{padding:32px 24px;background:white;border-radius:18px;transition:transform .2s}.tile:hover{transform:translateY(-5px)}.tile b{display:block;font-size:21px;margin:24px 0 12px}.tile .icon{font-size:36px;color:var(--blue)}.tile p{font-size:14px}.business{display:grid;grid-template-columns:1fr 1fr;gap:40px}.business a{padding:35px 0;border-top:1px solid var(--line)}.promises{padding:55px 6%;background:var(--light);display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.promises span{display:block;font-size:28px;color:var(--blue);margin-bottom:10px}.promises strong{font-size:16px}.promises p{font-size:13px;margin-bottom:0}footer{padding:60px 6% 100px}footer>div{display:flex;gap:28px;margin:28px 0}footer p,footer small{font-size:12px}.floating{position:fixed;z-index:25;bottom:26px;right:28px;display:flex;gap:8px;opacity:0;transform:translateY(90px);transition:.3s}.scrolled .floating{opacity:1;transform:none}.floating button{width:52px;border:1px solid var(--line);background:white;border-radius:50%;color:var(--ink)}.subhero{height:390px;min-height:0;max-height:none}.subhero .hero-copy{top:48%;left:6%;}.subhero h1{font-size:52px}.tabs{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;padding:28px 5%;border-bottom:1px solid var(--line)}.tabs a{padding:10px 24px;border-radius:50px;font-size:14px}.tabs a.active{background:var(--blue);color:white}.crumb{font-size:12px;text-align:right;color:var(--muted);padding:25px 0}.intro{display:grid;grid-template-columns:1fr 1.5fr;gap:70px;align-items:start}.intro p{margin-top:0;font-size:17px}.ranges{display:grid;grid-template-columns:1fr 1fr;gap:20px}.range{padding:30px;background:var(--light);border-radius:18px}.range p{margin:0;font-size:15px}.cta{margin-top:50px;display:flex;justify-content:space-between;align-items:center;padding:32px;border-radius:var(--r);background:var(--ink);color:white}.cta p{color:var(--accent);margin:0}.about-art{border-radius:var(--r);width:100%;margin-top:50px}.form-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.form-layout h2{font-size:36px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}label{font-size:14px;font-weight:600;display:block}input:not([type=checkbox]),textarea{display:block;width:100%;margin-top:10px;border:1px solid var(--line);border-radius:10px;padding:13px;background:white;color:var(--ink)}textarea{min-height:100px;resize:vertical}.full{grid-column:1/-1}fieldset{border:0;padding:0;margin:0}legend{font-size:14px;font-weight:600;margin-bottom:14px}.checks{display:flex;gap:12px 20px;flex-wrap:wrap}.checks label{font-weight:400}input[type=checkbox]{accent-color:var(--blue)}.note{font-size:12px;color:var(--muted)}#result{padding:20px;background:var(--light);border-radius:10px;margin-top:20px}#result:empty{display:none}#toast{position:fixed;bottom:100px;right:30px;background:var(--ink);color:white;padding:0;border-radius:12px;z-index:40}#toast:not(:empty){padding:16px 24px}@media(max-width:760px){header{height:66px;top:10px;padding:0 18px}.brand{font-size:22px}.symbol{font-size:33px}.navcta{display:none}#menu{display:block;border:0;background:transparent;padding:10px;color:var(--ink)}nav{display:none;position:absolute;top:76px;left:0;right:0;background:white;border-radius:22px;padding:25px;box-shadow:0 12px 30px #16364a22}nav.open{display:flex;flex-direction:column;gap:22px}.hero{min-height:680px;max-height:850px}.hero-copy{left:7%;right:7%;top:27%}h1{font-size:44px;letter-spacing:-2.5px}.hero:before{background-position:65% center}.hero:after{background:linear-gradient(90deg,#eaf4faeb,#eaf4fa70)}.hero-copy p{font-size:15px}.hero-shell{padding:0 calc(var(--p)*12px)}.section{padding:65px 0}.section-title{display:block}.pair,.business,.intro,.form-layout{grid-template-columns:1fr;gap:26px}.card .visual{height:220px}.tiles,.ranges,.promises{grid-template-columns:1fr 1fr}.tile{padding:23px 18px}.tile b{font-size:18px}.promises{padding:35px 6%;gap:25px 15px}.promises strong{font-size:14px}.subhero{height:320px;min-height:0}.subhero h1{font-size:38px}.subhero .hero-copy{top:47%}.tabs{gap:3px;padding:18px 3%}.tabs a{padding:8px 12px;font-size:13px}.range{padding:23px}.range h3{font-size:21px}.cta{display:block;padding:25px}.cta .button{margin-top:20px}.form-grid{grid-template-columns:1fr}.form-layout h2{font-size:30px}footer>div{gap:15px;flex-wrap:wrap;font-size:13px}.floating{bottom:18px;right:16px}.floating .button{padding:12px 20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before{transition:none!important;animation:none!important}.hero-shell{padding:0}.hero{border-radius:0}.hero:before{transform:none}}
nav.tabs{display:flex;position:static;box-shadow:none;border-radius:0;background:var(--paper);flex-direction:row}

/* AI sample photography */
.card .visual{display:block;width:100%;object-fit:cover;background:none}.card:nth-child(2) .visual{filter:none}.tile-photo{display:block;width:calc(100% + 48px);max-width:none;height:170px;object-fit:cover;margin:-32px -24px 24px;border-radius:18px 18px 0 0}.tile{overflow:hidden}.service-photo{display:block;width:100%;height:290px;object-fit:cover;border-radius:18px;margin-bottom:28px}.detail-photo{display:block;width:100%;height:420px;object-fit:cover;border-radius:24px}.image-note{font-size:12px;margin:12px 0 45px}.about-art{height:auto}.hero:after{background:linear-gradient(90deg,#eaf4facc 0%,#eaf4fa55 42%,#d1e7f500 75%)}@media(max-width:760px){.tile-photo{width:calc(100% + 36px);height:130px;margin:-23px -18px 20px}.service-photo{height:230px}.detail-photo{height:260px}.hero:after{background:linear-gradient(90deg,#eaf4fae6,#eaf4fa65)}}

/* Social buttons: lower edge 40% above viewport bottom; inside scrollbar gutter. */
html{scrollbar-gutter:stable}
.social-rail{position:fixed;z-index:25;right:max(20px,env(safe-area-inset-right));bottom:40%;display:flex;flex-direction:column;gap:12px;opacity:0;visibility:hidden;pointer-events:none;transform:translateX(100px);transition:transform .45s cubic-bezier(.22,1,.36,1),opacity .3s,visibility .3s}
.social-visible .social-rail{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(0)}
.social-button{position:relative;display:grid;place-items:center;width:52px;height:52px;border:0;border-radius:50%;box-shadow:0 5px 18px #16364a20;cursor:pointer;padding:11px}
.social-button svg{width:30px;height:30px}.kakao{background:#fee500;color:#3b1e1e}.blog{background:#03c75a;color:white}.naver-symbol{font-family:'Pretendard Variable',sans-serif;font-size:27px;font-weight:900;line-height:1}.instagram{background:radial-gradient(circle at 25% 110%,#ffd776 0%,#fa8a27 24%,#e1306c 55%,#833ab4 85%);color:white}
.social-label{position:absolute;right:64px;white-space:nowrap;padding:7px 12px;border-radius:8px;background:var(--ink);color:white;font-size:12px;opacity:0;visibility:hidden;transition:opacity .15s;pointer-events:none}.social-button:hover .social-label,.social-button:focus-visible .social-label{opacity:1;visibility:visible}
.footer-top{display:block;margin:0 6% 90px auto;padding:10px 18px;background:white;border:1px solid var(--line);border-radius:30px;color:var(--ink)}
#toast{right:88px;bottom:32%;max-width:min(320px,calc(100vw - 110px))}
@media(max-width:760px){.social-rail{right:max(14px,env(safe-area-inset-right));gap:10px}.social-button{width:44px;height:44px;padding:9px}.social-button svg{width:26px;height:26px}.social-label{right:54px}.wrap{width:calc(94% - 76px);margin-left:6%;margin-right:76px}.promises{padding-right:76px}.hero-copy{right:76px}.hero-copy h1{font-size:clamp(32px,9vw,44px)}#toast{right:70px}}
@media(prefers-reduced-motion:reduce){.social-rail{transition:none;transform:none}}
.social-button.show-hint .social-label{opacity:1;visibility:visible}.social-button.hint-dismissed .social-label{opacity:0;visibility:hidden}

.comparison{position:relative;overflow:hidden;isolation:isolate;cursor:ew-resize;touch-action:pan-y;user-select:none;background:var(--light)}
.comparison img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.comparison .before-image{clip-path:polygon(0 0,calc(var(--split) + 12%) 0,calc(var(--split) - 12%) 100%,0 100%)}
.compare-line{position:absolute;inset:0;background:white;clip-path:polygon(calc(var(--split) + 12% - 1px) 0,calc(var(--split) + 12% + 1px) 0,calc(var(--split) - 12% + 1px) 100%,calc(var(--split) - 12% - 1px) 100%);pointer-events:none}
.compare-handle{position:absolute;left:var(--split);top:50%;transform:translate(-50%,-50%);width:32px;height:32px;display:grid;place-items:center;background:white;border-radius:50%;color:var(--blue);box-shadow:0 2px 12px #0003;pointer-events:none}
.compare-before,.compare-after{position:absolute;top:12px;padding:4px 9px;background:#16364ad9;color:white;border-radius:20px;font-size:11px;pointer-events:none}.compare-before{left:10px}.compare-after{right:10px;background:#0758acd9}
.compare-caption{position:absolute;bottom:0;left:0;right:0;text-align:center;font-size:10px;color:white;background:#16364ab8;padding:5px;pointer-events:none}
.tile:has(.comparison):hover{transform:none}.tile-link{display:block}.tile-link:hover span{color:var(--blue)}
.comparison[aria-valuenow="0"] .before-image,.comparison[aria-valuenow="0"] .compare-line,.comparison[aria-valuenow="0"] .compare-handle{visibility:hidden}
.comparison[aria-valuenow="100"] .before-image{clip-path:none}.comparison[aria-valuenow="100"] .compare-line,.comparison[aria-valuenow="100"] .compare-handle{visibility:hidden}

/* Raised contact buttons: preserve opaque brand colors. */
.social-button{box-shadow:0 4px 8px rgba(0,0,0,.22),0 10px 24px rgba(0,0,0,.28);transition:box-shadow .2s ease,transform .2s ease}
@media(hover:hover){.social-button:hover{box-shadow:0 6px 12px rgba(0,0,0,.26),0 14px 30px rgba(0,0,0,.32)}}
.social-button:focus-visible{box-shadow:0 4px 8px rgba(0,0,0,.22),0 10px 24px rgba(0,0,0,.28);outline:2px solid currentColor;outline-offset:4px}
@media(prefers-reduced-motion:reduce){.social-button{transition:none}}