:root{
  --paper:#f5f0e6; --paper-2:#ece4d4; --card:#fffdf8; --ink:#211d18; --ink-2:#5b5348; --ink-3:#6b6255;
  --line:#dcd2c0; --accent:#b3432c; --accent-2:#8f3321; --accent-soft:#f3dcd3; --blue:#2d4a73; --blue-soft:#dde5f0;
  --gold:#b5862a; --gold-soft:#f3e6c6; --radius:14px; --shadow:0 1px 2px rgba(40,30,20,.06),0 8px 24px rgba(40,30,20,.07);
  --serif:"Nanum Myeongjo","AppleMyungjo","Noto Serif KR","Batang",Georgia,serif; --sans:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR","Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6;word-break:keep-all}
a{color:inherit;text-underline-offset:.18em;text-decoration-thickness:1px}
::selection{background:var(--accent-soft);color:var(--ink)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.3;margin:0;text-wrap:balance}
/* 영어 화면: 명조 글꼴의 라틴 글자 대신 라틴 세리프를 먼저 쓴다 */
html:lang(en){--serif:Georgia,"Iowan Old Style","Palatino Linotype","Nanum Myeongjo",serif}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header.site{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo b{font-family:var(--serif);font-size:24px;letter-spacing:-.5px}
.logo small{color:var(--ink-3);font-size:12px;border-left:1px solid var(--line);padding-left:10px}
nav.main{display:flex;gap:4px;margin-left:auto}
nav.main a{padding:8px 12px;border-radius:999px;text-decoration:none;color:var(--ink-2);font-weight:500}
nav.main a.on,nav.main a:hover{background:var(--paper-2);color:var(--ink)}
main{min-height:70vh}
.hero{padding:44px 0 28px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center}
.hero h1{font-size:40px;letter-spacing:-1px}
.hero p.lead{color:var(--ink-2);font-size:17px;margin:14px 0 22px}
.hero-note{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin:16px 0 0;color:var(--ink-2);font-size:14px}
.hero-figure{background:radial-gradient(ellipse at 50% 60%,#fff 0,var(--paper-2) 70%);border-radius:24px;aspect-ratio:4/3;overflow:hidden;position:relative;border:1px solid var(--line)}
.hero-figure img{width:100%;height:100%;object-fit:cover;display:block}
.hero-figure .cap{position:absolute;left:14px;bottom:12px;background:rgba(255,253,248,.92);padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--card);padding:10px 18px;border-radius:999px;font-weight:600;text-decoration:none;transition:.15s}
.btn:hover{border-color:var(--ink-3)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-2)}
.btn.small{padding:6px 12px;font-size:13px;min-height:34px}
.btn.primary[disabled]{background:var(--paper-2);border-color:var(--line);color:var(--ink-3);opacity:1}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn.toggle.on{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.section{padding:26px 0 40px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.section-head h2{font-size:24px}
.section-head p{margin:4px 0 0;color:var(--ink-3);font-size:14px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--card);padding:6px 13px;border-radius:999px;font-size:14px}
.chip.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chip:hover{border-color:var(--ink-3)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;text-decoration:none;transition:transform .15s}
.card:hover{transform:translateY(-2px)}
.thumb{aspect-ratio:4/3;background:radial-gradient(ellipse at 50% 60%,#fff 0,var(--paper-2) 75%);position:relative}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb .tag{position:absolute;left:10px;top:10px;background:rgba(255,253,248,.95);font-size:12px;padding:3px 9px;border-radius:999px;font-weight:600}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-body h3{font-size:20px}
.card-body .sub{color:var(--ink-3);font-size:13px}
.meta{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--ink-2)}
.meta span{display:inline-flex;gap:4px;align-items:center}
/* 난이도: 스터드 세 개 중 채운 수(색이 아니라 개수로 구분) */
.diff{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink)}
.studs{display:inline-flex;gap:3px}
.studs i{width:9px;height:9px;border-radius:50%;border:1.5px solid var(--ink-3);box-sizing:border-box}
.studs i.on{background:var(--ink);border-color:var(--ink)}
.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);font-size:13px}
.badge{display:inline-flex;align-items:center;gap:4px;font-weight:700;font-size:12px;padding:2px 8px;border-radius:6px}
.badge.A{background:var(--blue-soft);color:var(--blue)}
.badge.B{background:var(--gold-soft);color:#7a5a14}
.badge.C{background:var(--accent-soft);color:var(--accent-2)}
/* 광고 자리: 설정(config.json ads.enabled)으로 켜고 끈다. 광고 코드가 없으면 빈 자리만 둔다. */
.ad{border:1px dashed var(--line);border-radius:10px;background:transparent}
.ad.leader{height:96px;margin:8px 0 28px}
.ad.side{height:250px}
.how{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.how div{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.how b{display:block;font-family:var(--serif);font-size:17px;margin:6px 0 4px}
.how p{margin:0;color:var(--ink-2);font-size:14px}
.how .n{font-size:12px;font-weight:700;color:var(--accent)}
/* detail */
.crumb{font-size:13px;color:var(--ink-3);padding-top:22px}
.crumb a{text-decoration:none}
.d-head{display:flex;justify-content:space-between;align-items:end;gap:16px;padding:8px 0 16px;flex-wrap:wrap}
.d-head h1{font-size:34px}
.d-head .sub{color:var(--ink-2);margin-top:4px}
.d-head .badges{margin-top:10px;gap:6px}
.d-head .badges:empty{display:none}
/* 도면 표제란: 괘선 칸에 부품·단계·난이도·업데이트 */
.titleblock{display:grid;grid-template-columns:repeat(4,auto);margin:0;background:var(--card);border:1px solid var(--ink-3);border-radius:4px}
.titleblock div{padding:8px 16px 9px;border-left:1px solid var(--line)}
.titleblock div:first-child{border-left:0}
.titleblock dt{font-size:12px;color:var(--ink-3);font-weight:600}
.titleblock dd{margin:2px 0 0;font-family:var(--serif);font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;line-height:1.3}
.titleblock dd small{font-family:var(--sans);font-size:12px;font-weight:600;color:var(--ink-3);margin-left:4px}
.titleblock .diff{font-family:var(--sans);font-size:15px}

.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.tabs a{text-decoration:none;border:0;background:none;padding:12px 16px;font-weight:600;color:var(--ink-3);border-bottom:2.5px solid transparent;white-space:nowrap}
.tabs a.on{color:var(--ink);border-color:var(--accent)}
.panel{padding:20px 0 40px}
.split{display:grid;grid-template-columns:1fr 340px;gap:20px;align-items:start}
.stage{position:relative;background:radial-gradient(ellipse at 50% 55%,#fffdf8 0,var(--paper-2) 80%);border:1px solid var(--line);border-radius:18px;height:560px;overflow:hidden}
.stage canvas{display:block;width:100%!important;height:100%!important;touch-action:none}
.stage .hint{position:absolute;left:12px;bottom:10px;font-size:12px;color:var(--ink-3);background:rgba(255,253,248,.85);padding:4px 10px;border-radius:999px;pointer-events:none}
.stage .loading{position:absolute;inset:0;display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;color:var(--ink-2);text-align:center;padding:16px}
.stage .loading p{margin:0}
.spin{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:13px;pointer-events:none}
.callout img{display:block}
.stage .stage-tools{position:absolute;right:10px;top:10px;display:flex;gap:6px}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.box+.box{margin-top:14px}
.box h2{font-size:17px;margin-bottom:8px}
.box .story{margin:0;font-size:14px;color:var(--ink-2)}
.kv small.src{color:var(--ink-3);font-size:12.5px}
.side-actions{margin-bottom:14px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px;margin:0}
.kv dt{color:var(--ink-3)}
.kv dd{margin:0;font-weight:500}
.note{font-size:13px;color:var(--ink-3);margin:8px 0 0;max-width:75ch}
.resume{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:baseline;margin:0 0 12px;padding:8px 12px;background:var(--paper-2);border-radius:10px;font-size:13.5px;color:var(--ink-2)}
.linkbtn{border:0;background:none;padding:0;font-weight:700;color:var(--ink);text-decoration:underline;text-underline-offset:.18em}
.step-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.step-no{font-family:var(--serif);font-size:44px;line-height:1;font-variant-numeric:tabular-nums}
.step-no small{font-size:18px;color:var(--ink-3)}
.step-label{font-weight:700;font-size:17px}
.callout{border:2px solid var(--ink);border-radius:10px;padding:10px;display:flex;flex-wrap:wrap;gap:10px 14px;background:#fff}
.plist-step{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;width:100%}
.plist-step li{display:grid;grid-template-columns:44px 38px 1fr;align-items:center;gap:8px}
.plist-step .q{font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
.plist-step .nm{font-size:14px;line-height:1.35}
.plist-step .nm small{display:block;color:var(--ink-3);font-size:12.5px}
.step-tip{font-size:14px;color:var(--ink-2);margin:10px 0 0}
.step-now{display:none;align-self:center;font-weight:700;font-size:14px;white-space:nowrap;padding:0 4px}
.step-nav{display:flex;gap:8px}
.step-nav .btn{flex:1;justify-content:center}
input[type=range]{width:100%;accent-color:var(--accent);margin:14px 0 0;height:24px}
.progress{font-size:13px;color:var(--ink-3);display:flex;justify-content:space-between;margin-top:4px}
.keys-hint{display:none;font-size:12.5px;color:var(--ink-3);margin:6px 0 0}
@media (hover:hover) and (pointer:fine){.keys-hint{display:block}}
.step-ctrl+.progress{margin-bottom:0}
#stepParts{margin-top:16px}
/* 마지막 단계: 인주로 찍은 '완성' 도장 */
.done{display:flex;gap:14px;align-items:center;margin-top:16px;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.seal{flex:none;display:grid;place-items:center;width:58px;height:58px;border:2.5px solid var(--accent);border-radius:6px;color:var(--accent);font-family:var(--serif);font-weight:700;font-size:17px;line-height:1.05;writing-mode:vertical-rl;letter-spacing:.08em;transform:rotate(-6deg);box-shadow:inset 0 0 0 2px var(--card),inset 0 0 0 3px rgba(179,67,44,.35)}
html:lang(en) .seal{writing-mode:horizontal-tb;font-size:15px;letter-spacing:0}
.done.stamp .seal{animation:stamp .5s cubic-bezier(.2,.9,.3,1.2) both}
@keyframes stamp{0%{transform:rotate(-14deg) scale(1.6);opacity:0}60%{opacity:1}100%{transform:rotate(-6deg) scale(1)}}
.done-title{margin:0;font-family:var(--serif);font-weight:700;font-size:17px}
.done-text{margin:2px 0 10px;font-size:14px;color:var(--ink-2)}
/* 부품 목록: 확보 진행·필터·정렬 줄 */
.parts-bar{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:end;padding:14px 16px;margin-bottom:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.have{display:flex;flex-direction:column;gap:2px;min-width:150px}
.have-label{font-size:13px;color:var(--ink-3);font-weight:600}
.have b{font-family:var(--serif);font-size:22px;font-variant-numeric:tabular-nums;line-height:1.2}
.meter{display:block;height:4px;border-radius:2px;background:var(--paper-2);overflow:hidden;margin-top:4px}
.meter span{display:block;height:100%;width:0;background:var(--accent);transition:width .3s ease-out}
.parts-tools{margin-left:auto;gap:8px}
.sel{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);font-weight:600}
.sel select{font:inherit;font-weight:600;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px;min-height:34px}
.csv-row{margin-bottom:6px}
.csv-row .note{margin:0;flex:1;min-width:220px}
table.parts{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);font-size:14px;margin-top:10px}
table.parts th{background:var(--paper-2);text-align:left;font-weight:600;padding:10px 12px;font-size:13px;color:var(--ink-2)}
/* 긴 목록에서도 열 이름이 보이도록 머리를 사이트 헤더 아래에 고정 */
table.parts thead th{position:sticky;top:64px;z-index:2;border-bottom:1px solid var(--line)}
table.parts thead th:first-child{border-top-left-radius:var(--radius)}
table.parts thead th:last-child{border-top-right-radius:var(--radius)}
table.parts td{padding:8px 12px;border-top:1px solid var(--line);vertical-align:middle}
table.parts tbody tr:first-child td{border-top:0}
table.parts tr.grp th{background:var(--card);font-family:var(--serif);font-size:15px;color:var(--ink);padding:16px 12px 6px;border-top:1px solid var(--line)}
table.parts tr.grp small{font-family:var(--sans);font-size:12.5px;color:var(--ink-3);font-weight:600;margin-left:8px}
.prod-ok{font-size:12.5px;color:var(--ink-3)}
.empty-note{padding:24px 16px;text-align:center;color:var(--ink-2)}
details.about{margin-top:14px}
details.about summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--ink-2);padding:6px 0}
table.parts tr.owned td{background:var(--paper-2)}
table.parts tr.owned .c-part span,table.parts tr.owned .c-qty{text-decoration:line-through;text-decoration-color:var(--ink-3)}
label.own{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;margin:-8px -6px;cursor:pointer}
label.own input{width:20px;height:20px;accent-color:var(--accent)}
table.parts small.en{color:var(--ink-3);font-size:12.5px}
table.parts .x{display:none}
table.parts td.el{font-size:12px;font-variant-numeric:tabular-nums;max-width:150px}
table.parts .el .muted{color:var(--ink-2)}
table.parts td.num{text-align:right;font-variant-numeric:tabular-nums}
.sw{display:inline-block;width:12px;height:12px;border-radius:3px;border:1px solid rgba(0,0,0,.2);vertical-align:-1px;margin-right:6px}
/* print */
.print-pages{display:flex;flex-direction:column;align-items:center;gap:18px;overflow-x:auto;padding-bottom:4px}
.ppage{width:210mm;height:297mm;flex:none;box-sizing:border-box;padding:12mm 12mm 0;background:#fff;color:#211d18;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
.ppage.measure{position:absolute;left:-9999px;top:0;visibility:hidden;height:auto}
.ppage h2{font-size:26px}
.pbody{height:267mm;overflow:hidden;display:flex;flex-direction:column}
.pfoot{height:6mm;font-size:10px;color:#999;display:flex;justify-content:space-between;align-items:center}
.pblock{border:1px solid #e3dccf;border-radius:6px;padding:3mm;display:flex;flex-direction:column;flex:none}
.pblock+.pblock{margin-top:4mm}
.pblock .ph{display:flex;align-items:baseline;gap:3mm}
.pblock .no{font-family:var(--serif);font-size:28px;line-height:1}
.pblock .pl{font-weight:700;font-size:13px}
.pc{display:grid;grid-template-columns:repeat(auto-fill,minmax(19mm,1fr));gap:1mm 2mm;border:1.5px solid #222;border-radius:4px;padding:1.5mm 2mm;margin-top:2mm}
.pp{display:flex;align-items:center;gap:1mm;font-size:11px}
.pp img{width:9mm;height:7mm}
img.shot{width:100%;object-fit:contain;display:block;margin-top:2mm}
.plist{display:grid;grid-template-columns:repeat(4,1fr);gap:2mm 3mm;font-size:10.5px}
.pli{display:flex;align-items:center;gap:1.5mm;height:10mm}
.pli img{width:9mm;height:7mm;flex:none}
.pli small{color:#8a8072}
.pbox{flex:none;width:3.2mm;height:3.2mm;border:1px solid #211d18;border-radius:.6mm}
.pbox.on{background:#211d18;box-shadow:inset 0 0 0 .5mm #fff}
#pinfo.warn{color:var(--accent-2);font-weight:600}
footer.site{border-top:1px solid var(--line);background:var(--paper-2);color:var(--ink-2);font-size:13px;padding:26px 0 40px;margin-top:20px}
footer.site p{margin:4px 0;max-width:75ch}
@media (max-width:980px){
  .hero-grid,.split{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .how{grid-template-columns:repeat(2,1fr)}
  .titleblock{margin-top:4px}
  .stage{height:440px}
  .ad.side{height:100px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  header.site .wrap{height:56px;gap:8px}
  nav.main{margin-left:auto}
  nav.main a{padding:6px 10px;font-size:14px}
  .logo small{display:none}
  .hero{padding-top:26px}
  .hero h1{font-size:30px}
  .cards,.how{grid-template-columns:1fr}
  .stage{height:360px}
  .d-head h1{font-size:28px}
  .stage{height:min(360px,48vh)}
  /* 조립 도면: 이전·현재·다음을 화면 아래에 고정 */
  .step-ctrl{position:fixed;left:0;right:0;bottom:0;z-index:15;margin:0;padding:10px 16px calc(8px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(40,30,20,.08)}
  .step-ctrl input[type=range]{margin-top:8px;height:28px}
  .step-ctrl+.progress{display:none}
  .step-now{display:block}
  body:has(.step-ctrl) footer.site{padding-bottom:140px}
  /* 무대 도구는 엄지가 닿는 아래쪽, 조작 안내는 위쪽 */
  .stage .stage-tools{top:auto;bottom:10px;left:10px;right:10px;justify-content:flex-end;flex-wrap:wrap}
  .stage .hint{bottom:auto;top:10px}
  .titleblock{width:100%;grid-template-columns:repeat(4,1fr)}
  .titleblock div{padding:7px 10px 8px}
  .titleblock dd{font-size:17px}
  .titleblock dd small{display:block;margin:0}
  .parts-tools{margin-left:0}
  table.parts thead th{position:static}
  /* 부품 목록: 표 대신 부품마다 카드 */
  table.parts,table.parts tbody,table.parts tr,table.parts td{display:block}
  table.parts{border:0;background:none}
  table.parts thead{display:none}
  table.parts tr{display:grid;grid-template-columns:44px 1fr auto;grid-template-areas:"own part qty" ". color color" ". prod prod" ". num num" ". el el";gap:2px 10px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:8px}
  table.parts td{border:0;padding:0}
  table.parts tr.grp{display:block;background:none;border:0;padding:14px 2px 4px;margin:0}
  table.parts tr.grp th{display:block;background:none;border:0;padding:0}
  table.parts .c-own{grid-area:own}
  table.parts .c-part{grid-area:part}
  table.parts .c-qty{grid-area:qty;font-size:17px;font-weight:700}
  table.parts .x{display:inline;font-size:13px;color:var(--ink-3);margin-right:1px}
  table.parts .c-color{grid-area:color;font-size:13px}
  table.parts .c-prod{grid-area:prod;margin:2px 0}
  table.parts .c-num,table.parts .c-el{font-size:12.5px;color:var(--ink-2);max-width:none}
  table.parts .c-num{grid-area:num}
  table.parts .c-el{grid-area:el}
  table.parts [data-label]:before{content:attr(data-label) " ";color:var(--ink-3)}
  table.parts tr.owned td{background:none}
  table.parts tr.owned{background:var(--paper-2)}
}
@page{size:A4;margin:0}
@media print{
  body{background:#fff;margin:0}
  main,.wrap,.panel{padding:0!important;margin:0!important;max-width:none!important;min-height:0!important}
  html,body{height:auto!important}
  .print-pages{display:block;overflow:visible;gap:0;padding:0!important}
  .ppage{height:296.5mm!important}
  .ppage{border:0;box-shadow:none;margin:0;break-after:page;page-break-after:always}
  .ppage:last-child{break-after:auto;page-break-after:auto}
  .no-print,header.site,footer.site,.tabs,.crumb,.d-head,.ad{display:none!important}
  .panel{padding:0}
}

/* 공지·언어 */
.lang{padding:6px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:13px;font-weight:600;white-space:nowrap}
.lang:hover{border-color:var(--ink-3)}
.err{padding:60px 0;color:var(--ink-3)}
.refs{margin:6px 0 0;padding-left:18px;font-size:13px;color:var(--ink-2)}
@media (max-width:640px){
  .step-no{font-size:36px}
}
#list{scroll-margin-top:72px}
/* 터치 기기: 누르는 요소는 44px 이상 */
@media (pointer:coarse){
  .btn,.btn.small,.chip,.lang,nav.main a,.sel select{min-height:44px}
  .chip,.lang,nav.main a{display:inline-flex;align-items:center}
  .tabs a{padding:13px 16px}
  .linkbtn{min-height:44px}
}
/* 움직임 줄이기: 전환·도장 애니메이션을 끈다(3D 자동 회전·낙하는 viewer.js에서 끈다) */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .card:hover{transform:none}
}