/* ICT showcase design system. Independent implementation; no reference assets copied. */
:root{--bg:#11181d;--panel:#182229;--panel2:#1d2b32;--line:#304049;--text:#f4f1ea;--muted:#aab9c1;--lime:#ff956e;--cyan:#8dd6cf;--warm:#ff956e;--paper:#eee9df;--ink:#1d302f;--max:1200px;--ease:180ms ease-out;color-scheme:dark}
html{scroll-behavior:smooth}body{font-family:Arial,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;letter-spacing:-.018em;line-height:1.75}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2,h3{word-break:keep-all}button,input,select{font:inherit}button,a,input,summary,select{-webkit-tap-highlight-color:transparent}a,button,summary{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}button:focus-visible,input:focus-visible,select:focus-visible{outline-offset:2px}[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}.skip-link{position:fixed;z-index:100;left:18px;top:10px;padding:12px 18px;transform:translateY(-160%);background:var(--paper);color:var(--ink);border-radius:6px}.skip-link:focus{transform:none}.shell,.site-header,.site-footer{width:min(var(--max),calc(100% - 80px))}section[id]{scroll-margin-top:24px}
.site-header{height:92px;border-color:var(--line);gap:30px}.brand{gap:12px}.brand-mark{width:42px;height:42px;border:0;border-radius:3px;box-shadow:none;background:var(--lime);color:#201b17;font-size:12px;letter-spacing:.02em}.brand-name{display:block;font-size:16px;line-height:1.3;letter-spacing:-.02em}.brand-name small{display:block;font:9px/1.7 ui-monospace,Consolas,monospace;letter-spacing:.12em;color:var(--muted);margin-top:3px}.site-header .nav{gap:30px;font-size:14px;margin-left:auto}.site-header .nav a{display:inline-flex;min-height:44px;align-items:center}.header-tools{display:flex;align-items:center;gap:10px}.account-link{background:none;border-color:#4b5e68;color:var(--text);height:40px;min-width:62px;font-size:12px}.mobile-menu{display:none}.eyebrow,.kicker{font-size:11px;letter-spacing:.12em;font-weight:700;color:var(--lime)}.edition-dot{display:inline-block;width:6px;height:6px;background:var(--lime);border-radius:50%;margin-right:8px}.button{border-radius:5px;height:auto;min-height:48px;line-height:1.5;padding:13px 20px;gap:25px}.button.primary{background:var(--lime);border-color:var(--lime);color:#211b17}.button.primary:hover{background:#ffab8d;border-color:#ffab8d}.button.secondary{background:transparent;color:var(--text);border:1px solid #56717b;gap:0}.text-link{display:inline-flex;gap:18px;align-items:center;color:var(--text);font-size:14px;font-weight:700;min-height:44px;text-decoration:underline;text-decoration-color:#63767e;text-underline-offset:6px}.text-link:hover{color:var(--lime)}
.showcase-hero{padding:76px 0 58px;display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:64px}.hero-story{min-width:0}.hero-story .eyebrow{margin:0 0 26px}.hero-story h1{font-size:clamp(46px,4.75vw,70px);letter-spacing:-.06em;line-height:1.18;font-weight:750;margin:0 0 28px}.hero-story h1 span{color:var(--lime)}.hero-deck{font-size:18px;color:var(--muted);max-width:475px;line-height:1.9;margin:0}.hero-deck strong{display:block;color:var(--text);font-weight:400}.hero-actions{gap:23px;margin-top:30px;align-items:center;flex-wrap:wrap}.hero-small{font-size:12px;color:var(--muted);margin:16px 0 0}.receipt{background:var(--paper);color:var(--ink);padding:27px 30px 25px;position:relative;border-radius:4px;box-shadow:14px 14px 0 #263840;min-width:0;color-scheme:light}.receipt:before{content:"";position:absolute;inset:0;pointer-events:none;border-top:3px solid var(--lime)}.receipt-top{display:flex;justify-content:space-between;align-items:center;font:10px/1.7 ui-monospace,Consolas,monospace;letter-spacing:.12em}.receipt-stamp{padding:3px 9px;border:1px solid #70817b;font-family:inherit;letter-spacing:0}.receipt h2{font-size:34px;line-height:1.2;letter-spacing:-.055em;margin:24px 0 10px}.receipt-intro{font-size:14px;color:#485d58;line-height:1.75;margin:0 0 18px}.receipt-switch{display:flex;background:#d7dfd9;border:1px solid #b7c4bd;padding:3px;border-radius:4px;gap:4px;margin-bottom:19px}.receipt-switch button{flex:1;background:transparent;border:0;min-height:40px;padding:5px 10px;border-radius:2px;font-size:12px;color:#384e47}.receipt-switch button[aria-pressed="true"]{background:#244f46;color:#fff}.receipt-values{display:grid;grid-template-columns:1fr 1fr;gap:24px}.receipt-values>div+div{border-left:1px solid #b8c4bc;padding-left:24px}.receipt-values span{display:block;font-size:12px;color:#40594f}.receipt-values strong{display:block;font-size:clamp(30px,3vw,42px);font-variant-numeric:tabular-nums;line-height:1.18;letter-spacing:-.04em;margin-top:8px}.receipt-values small{font-size:11px;color:#50665e}.receipt-bars{display:grid;gap:5px;margin-top:15px}.receipt-bars span{height:5px;background:#316c5b;transition:width var(--ease)}.receipt-bars span+span{background:#9eafa5;width:100%}.receipt-verdict{display:flex;justify-content:space-between;align-items:center;margin-top:19px;padding-top:13px;border-top:1px dashed #869d91;gap:10px}.receipt-verdict span{font-size:12px}.receipt-verdict strong{font-size:22px;line-height:1.4;letter-spacing:-.025em}.receipt-context{font-size:12px;color:#3f584c;margin:6px 0 16px;min-height:22px}.receipt-bottom{border-top:1px dashed #869d91;padding-top:14px;display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:10px;color:#4c6259;line-height:1.8}.receipt-bottom a{font-size:12px;white-space:nowrap;color:#254d40;font-weight:bold;min-height:44px;display:inline-flex;align-items:center}.receipt :focus-visible{outline-color:#185949}
.question-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.question-strip a{padding:20px 22px;display:flex;gap:14px;align-items:center;font-size:13px;min-width:0}.question-strip a:first-child{padding-left:0}.question-strip a+a{border-left:1px solid var(--line)}.question-strip a>span:first-child{font:11px ui-monospace,Consolas,monospace;color:var(--lime)}.question-strip b{font-weight:500;flex:1}.question-strip a>span:last-child{color:var(--muted)}.question-strip a:hover b{color:var(--lime)}
.notes-section,.lab-section,.tools-section{padding-top:84px;padding-bottom:60px}.section-head{grid-template-columns:1.1fr .9fr;gap:48px;margin-bottom:32px;align-items:end}.section-head h2{font-size:clamp(30px,3.2vw,43px);line-height:1.3;letter-spacing:-.045em;margin-top:10px}.section-head p{font-size:15px;line-height:1.9;max-width:425px}.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.case-card{min-width:0;border-bottom:1px solid var(--line);background:transparent}.case-visual-link{display:block}.note-visual{min-height:215px;padding:23px 24px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;color:#253e37;background:#e4e9df;border-radius:3px}.visual-label{font-size:10px;font-weight:700;letter-spacing:.03em;color:#426055}.note-visual p{font-size:12px;margin:9px 0 0;color:#426055}.visual-price{background:#efe4d9}.visual-camp{background:#cbded6}.visual-quote{background:#e5e2ed}.visual-market{background:#d8e4ee}.visual-auction{background:#e4dbc8}.visual-video{background:#dce2e4}.pair-numbers{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:center}.pair-numbers>div+div{border-left:1px solid #c3b5a6;padding-left:16px}.pair-numbers small,.pair-numbers span{display:block;font-size:11px}.pair-numbers strong{display:block;font-size:clamp(24px,2.5vw,35px);line-height:1.3;font-variant-numeric:tabular-nums;letter-spacing:-.04em}.zero-proof{display:flex;align-items:center;justify-content:center;gap:28px}.zero-proof code{font-size:76px;line-height:1.1;letter-spacing:-.08em}.zero-proof>span{font-size:40px;font-weight:300;color:#527969}.zero-proof strong{font-size:25px;line-height:1.35}.quote-path{display:flex;align-items:center;justify-content:center;gap:10px}.quote-path span{font-size:17px;font-weight:600;border-bottom:1px solid #8b8d95;padding-bottom:7px;white-space:nowrap}.quote-path b{font-size:17px;font-weight:400;color:#66766d}.value-proof{display:flex;align-items:center;gap:18px;justify-content:space-between}.value-proof strong{font-size:44px;letter-spacing:-.05em}.value-proof span{font-size:13px}.scope-proof{display:flex;align-items:center;gap:14px;justify-content:space-around}.scope-proof b{font-size:21px}.scope-proof span{font-size:30px}.stream-proof{font-size:13px;display:grid;gap:8px}.stream-proof>div{display:flex;gap:10px;justify-content:space-between;border-bottom:1px solid #afc0bf;padding:5px 0}.stream-proof span{font-family:ui-monospace,Consolas,monospace}.case-copy{padding:23px 0 22px}.case-index{font:10px/1.8 ui-monospace,Consolas,monospace;letter-spacing:.08em;color:var(--lime)}.case-copy h3,.case-copy h2{font-size:24px;letter-spacing:-.035em;line-height:1.45;margin:11px 0 12px}.case-copy p{font-size:14px;line-height:1.9;color:var(--muted);margin:0 0 17px}.case-meta{display:block;font-size:11px;color:#adbbc0;margin-bottom:10px}.section-end{display:flex;justify-content:space-between;gap:25px;align-items:center;padding-top:22px}.section-end>span,.section-footnote{font-size:12px;color:var(--muted);line-height:1.85}.section-footnote{margin-top:21px}
.lab-section{border-top:1px solid var(--line);margin-top:26px}.lab-layout{display:grid;grid-template-columns:1.08fr .92fr;border:1px solid #40555f;border-radius:5px;overflow:hidden;background:#17232a}.lab-input{padding:30px}.panel-label{font:700 11px/1.6 ui-monospace,Consolas,monospace;letter-spacing:.06em;color:var(--cyan)}.lab-help{font-size:13px;color:var(--muted);margin:12px 0 20px;line-height:1.85}.lab-help strong{color:var(--text);font-weight:600}.form-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;align-items:center;margin:12px 0}.form-head{font-size:12px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:15px}.form-head strong{color:var(--text)}.field-label{font-size:13px;color:var(--text)}.field-label small{display:block;font-size:10px;color:var(--muted);line-height:1.6;margin-top:2px}.input-cell{display:flex;gap:4px;min-width:0}.input-cell input{display:block;width:100%;min-width:0;background:#10191e;border:1px solid #607680;border-radius:4px;color:var(--text);padding:9px 8px;min-height:44px;font-size:14px;font-variant-numeric:tabular-nums;appearance:textfield}.input-cell input::-webkit-inner-spin-button{appearance:none}.input-cell select{width:48px;flex:0 0 48px;padding:4px;border:1px solid #607680;background:#24343e;color:var(--text);font-size:12px;border-radius:4px}.input-cell input[aria-invalid="true"]{border:2px solid #ff956e}.same-product{display:flex;align-items:flex-start;gap:11px;margin-top:24px;font-size:13px;line-height:1.75;cursor:pointer}.same-product input{width:18px;height:18px;flex:0 0 18px;margin:3px 0 0;accent-color:var(--lime)}.same-product small{display:block;color:var(--muted);font-size:11px;margin-top:6px}.form-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.form-actions .button{font-size:12px;padding:10px 13px;min-height:44px}.lab-privacy{font-size:10px;color:var(--muted);margin:19px 0 0;line-height:1.9}.lab-result{padding:30px;background:#1e3437;border-left:1px solid #40555f}.result-columns{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:25px}.result-columns>div{min-width:0}.result-columns>div+div{border-left:1px solid #47615e;padding-left:22px}.result-columns>div>span{font-size:11px;color:#bbd1ca;display:block}.result-columns strong{font-size:clamp(18px,1.75vw,25px);font-variant-numeric:tabular-nums;display:block;line-height:1.5;margin:10px 0 20px;letter-spacing:-.035em}.result-columns dl{display:grid;grid-template-columns:1fr;gap:1px;margin:0}.result-columns dt{font-size:10px;color:#b2c5c0}.result-columns dd{font-size:13px;margin:0 0 12px;color:var(--text);font-variant-numeric:tabular-nums}.result-conclusion{font-size:18px;line-height:1.7;color:#f2eee5;border-top:1px solid #47615e;padding-top:20px;margin:20px 0 12px}.result-context{font-size:13px;color:#c6d8d1;line-height:1.9}.formula-details{margin-top:20px;border-top:1px solid #47615e;border-bottom:1px solid #47615e;padding:12px 0;font-size:12px;color:#d4e2dd}.formula-details summary{min-height:32px;cursor:pointer;line-height:2.5}.formula-details p{font-size:12px;line-height:1.9}.example-disclosure{font-size:11px;line-height:1.85;color:#c6d8d1;margin-top:20px}.lab-result .text-link{font-size:12px;color:#c5eee3}.static-notice{padding:18px;background:#25383e;font-size:13px;color:var(--text)}#calc-error{font-size:14px;color:#ffb79b;line-height:1.9}#calc-error p{border-bottom:1px solid #58706c;padding-bottom:15px}
.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px 22px}.tool-card{border:1px solid var(--line);border-radius:4px;overflow:hidden;min-width:0}.tool-image{height:158px;position:relative;background:var(--panel);overflow:hidden}.tool-image img{display:block;width:100%;height:100%;object-fit:cover;object-position:top}.tool-image>span{position:absolute;left:10px;bottom:10px;background:#15252de8;color:#eff3ed;padding:2px 7px;border:1px solid #7a8d91;border-radius:3px;font-size:9px}.tool-copy{padding:23px}.tool-copy h3{font-size:20px;line-height:1.5;margin:10px 0 12px}.tool-copy p{font-size:13px;color:var(--muted);line-height:1.95;margin:0}.tool-actions{border-top:1px solid var(--line);margin-top:20px;padding-top:12px;display:grid;gap:0}.tool-actions>a{display:inline-flex;min-height:36px;align-items:center;font-size:12px}.tool-actions>a+a{color:var(--muted)}.method-section{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:80px 0 95px;border-top:1px solid var(--line)}.method-section h2{font-size:36px;line-height:1.4;letter-spacing:-.035em;margin:12px 0 23px}.method-list{padding:0;margin:0;list-style:none}.method-list li{display:flex;gap:20px;border-top:1px solid var(--line);padding:20px 0}.method-list li>b{font:11px ui-monospace,Consolas,monospace;color:var(--lime);padding-top:8px}.method-list h3{font-size:17px;margin:0 0 7px}.method-list p{font-size:13px;color:var(--muted);line-height:1.9;margin:0}.site-footer{padding-top:30px;gap:30px}.footer-links{flex-wrap:wrap;gap:7px 20px;max-width:540px}.footer-links a{display:inline-flex;min-height:36px;align-items:center}.footer-legal{display:flex;justify-content:space-between;gap:20px;color:var(--muted);border-color:var(--line);font-size:10px}
.catalog-hero{padding:68px 0 30px;max-width:820px}.catalog-hero h1{font-size:clamp(36px,5vw,62px);line-height:1.22;letter-spacing:-.045em;margin:18px 0}.catalog-hero>p{font-size:17px;color:var(--muted);line-height:1.9;max-width:660px}.catalog-intro{display:flex;align-items:center;gap:24px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.catalog-intro strong{font-size:28px;color:var(--lime);white-space:nowrap}.catalog-intro p{font-size:13px;color:var(--muted);margin:0}.topic-links{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 0}.topic-links a{border:1px solid #465a65;padding:8px 14px;border-radius:5px;min-height:44px;font-size:13px}.topic-links a:hover{border-color:var(--lime)}.catalog-group{padding:56px 0 8px}.catalog-group>h2{font-size:27px;margin:0 0 24px;line-height:1.45}.catalog-group>h2 small{color:var(--lime);font:11px ui-monospace,Consolas,monospace;margin-left:12px}.catalog-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.catalog-grid .note-visual{min-height:235px}.catalog-grid .pair-numbers strong{font-size:44px}.catalog-grid .case-copy h3{font-size:27px}.catalog-guide{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;margin:55px 0 80px;padding:26px;border:1px solid var(--line);border-radius:4px;align-items:center}.catalog-guide h2{font-size:25px;margin:0 0 10px;line-height:1.45}.catalog-guide p{font-size:14px;color:var(--muted)}.catalog-guide .note-visual{min-height:195px}.review-state{font-size:11px;line-height:1.8;color:var(--muted);border-left:2px solid var(--lime);padding-left:12px;margin:20px 0 0}
/* Shared reading pages use the same typography and navigation. */
.article-header h1{line-height:1.24;letter-spacing:-.04em}.article-page{max-width:980px}.article-header{max-width:850px}.article-body p,.article-body li{line-height:1.95}.article-body h2{line-height:1.45}.article-meta{color:#b2bfc5}.article-meta .review-badge{background:#293a34;border-color:#688777;font-size:10px}.article-figure{border-radius:4px}.article-note{border-radius:3px}.related-link{border-radius:4px}.content h2,.page-hero h1{line-height:1.3}.breadcrumbs{color:var(--muted)}.article-category{color:var(--muted)}.article-series b{color:var(--muted)}
@media(max-width:1100px){.site-header .nav{gap:18px}.showcase-hero{gap:35px}.hero-story h1{font-size:52px}.receipt{padding:24px}.result-columns{gap:12px}.result-columns>div+div{padding-left:12px}.lab-input,.lab-result{padding:24px}.case-copy h3{font-size:22px}.tool-copy{padding:20px}.question-strip a{padding:18px 14px;gap:10px}.question-strip a b{font-size:12px}}
@media(max-width:850px){.shell,.site-header,.site-footer{width:calc(100% - 48px)}.site-header{height:82px}.site-header .nav{gap:14px;font-size:12px}.brand-name{font-size:14px}.brand-name small{font-size:8px}.showcase-hero{grid-template-columns:1fr 1fr;gap:25px;padding:50px 0}.hero-story h1{font-size:40px}.hero-deck{font-size:15px}.hero-actions{gap:14px}.hero-actions .button{font-size:12px;padding:11px 13px}.hero-actions .text-link{font-size:12px}.receipt{padding:22px;box-shadow:8px 8px 0 #263840}.receipt h2{font-size:27px}.receipt-values{gap:12px}.receipt-values>div+div{padding-left:12px}.receipt-values strong{font-size:30px}.receipt-verdict strong{font-size:20px}.receipt-bottom{display:block}.receipt-bottom a{margin-top:3px}.case-grid{grid-template-columns:1fr 1fr;gap:22px}.case-grid>.case-card:last-child{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:25px}.case-grid>.case-card:last-child .note-visual{height:100%}.section-head{gap:25px}.section-head h2{font-size:32px}.section-head p{font-size:13px}.lab-layout{grid-template-columns:1fr}.lab-result{border-left:0;border-top:1px solid #40555f}.result-columns strong{font-size:28px}.form-row{grid-template-columns:.75fr 1fr 1fr}.tool-grid{grid-template-columns:1fr 1fr}.method-section{gap:35px}.method-section h2{font-size:29px}.footer-links{max-width:370px}}
@media(max-width:640px){.shell,.site-header,.site-footer{width:calc(100% - 36px)}.site-header{height:76px;min-height:76px;flex-wrap:nowrap;padding:0;gap:14px}.site-header .nav{display:none}.brand-mark{width:36px;height:36px;font-size:11px}.brand-name{display:block;font-size:14px}.brand-name small{font-size:8px}.account-link{height:36px;min-width:48px;font-size:11px;padding:0 10px}.header-tools{gap:10px}.mobile-menu{display:block;position:relative}.mobile-menu summary{cursor:pointer;list-style:none;border:1px solid #4b5e68;border-radius:4px;padding:8px 10px;min-height:40px;font-size:12px;line-height:1.8}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary:after{content:' +';color:var(--lime)}.mobile-menu[open] summary:after{content:' −'}.mobile-menu nav{position:absolute;z-index:20;top:50px;right:0;width:195px;background:#1d2d35;border:1px solid #5d737b;padding:10px;box-shadow:0 10px 25px #0006;border-radius:4px}.mobile-menu nav a{display:block;padding:10px;font-size:13px;min-height:44px}.showcase-hero{grid-template-columns:1fr;padding:39px 0 36px;gap:30px}.hero-story .eyebrow{font-size:10px;letter-spacing:.05em;margin-bottom:19px}.hero-story h1{font-size:clamp(34px,9.6vw,56px);line-height:1.22;margin-bottom:19px;letter-spacing:-.06em}.hero-deck{font-size:14px;line-height:1.95;max-width:440px}.hero-actions{gap:20px;margin-top:23px}.hero-actions .button{font-size:12px;min-height:46px;padding:12px 15px;gap:14px}.hero-small{margin-top:12px;font-size:11px}.receipt{margin-right:7px;padding:24px;box-shadow:7px 7px 0 #263840}.receipt h2{font-size:30px;margin-top:21px}.receipt-values strong{font-size:37px}.receipt-bottom{display:flex}.receipt-bottom a{margin-top:0}.receipt-intro{font-size:13px}.receipt-context{min-height:0}.question-strip{grid-template-columns:1fr}.question-strip a,.question-strip a:first-child{padding:15px 0;gap:15px}.question-strip a+a{border-left:0;border-top:1px solid var(--line)}.question-strip a b{font-size:13px}.notes-section,.lab-section,.tools-section{padding-top:51px;padding-bottom:40px}.section-head{grid-template-columns:1fr;gap:15px;margin-bottom:27px}.section-head h2{font-size:30px;line-height:1.36}.section-head p{font-size:14px}.case-grid{grid-template-columns:1fr;gap:30px}.case-grid>.case-card:last-child{display:block;grid-column:auto}.note-visual{min-height:210px}.pair-numbers strong{font-size:37px}.case-copy{padding-top:18px}.case-copy h3,.case-copy h2{font-size:23px}.case-copy p{font-size:14px}.section-end{display:block;padding-top:19px}.section-end .text-link{margin-top:10px}.lab-layout{border-radius:4px}.lab-input,.lab-result{padding:21px 17px}.lab-help{font-size:12px}.form-row{grid-template-columns:.8fr 1fr 1fr;gap:8px}.field-label{font-size:12px}.field-label small{font-size:9px}.input-cell input{font-size:13px;padding:8px 6px}.input-cell select{width:42px;flex-basis:42px;font-size:11px;padding:3px}.same-product{font-size:12px;gap:9px}.same-product small{font-size:10px}.form-actions{gap:8px}.form-actions .button{font-size:11px;padding:10px 11px}.result-columns{gap:14px}.result-columns>div+div{padding-left:14px}.result-columns strong{font-size:23px;overflow-wrap:anywhere}.result-conclusion{font-size:17px}.section-footnote{font-size:11px}.tool-grid{grid-template-columns:1fr}.tool-card{display:grid;grid-template-columns:105px 1fr}.tool-image{height:100%}.tool-image img{height:100%;object-fit:cover;object-position:left top}.tool-image>span{font-size:8px;left:6px;right:6px;bottom:6px;padding:3px 4px;line-height:1.5}.tool-copy{padding:18px 16px}.tool-copy h3{font-size:17px}.tool-copy p{font-size:12px;line-height:1.9}.tool-actions{margin-top:14px}.tool-actions>a{font-size:11px;min-height:36px}.method-section{grid-template-columns:1fr;padding:45px 0 55px;gap:25px}.method-section h2{font-size:29px}.method-list h3{font-size:16px}.method-list p{font-size:13px}.footer-legal{display:block;line-height:2}.footer-legal>span{display:block}.site-footer{grid-template-columns:1fr;gap:17px}.footer-links{max-width:none;gap:3px 18px}.catalog-hero{padding-top:40px}.catalog-hero h1{font-size:36px}.catalog-hero>p{font-size:14px}.catalog-intro{gap:17px;align-items:flex-start}.catalog-intro strong{font-size:25px}.catalog-intro p{font-size:12px}.topic-links{gap:8px}.topic-links a{font-size:12px;padding:8px 11px}.catalog-grid{grid-template-columns:1fr;gap:26px}.catalog-group{padding-top:43px}.catalog-group>h2{font-size:24px}.catalog-grid .note-visual{min-height:215px}.catalog-grid .case-copy h3{font-size:24px}.catalog-guide{grid-template-columns:1fr;gap:22px;padding:19px;margin-bottom:55px}.catalog-guide h2{font-size:22px}.catalog-guide .note-visual{min-height:160px}.article-page{padding:0;max-width:none}.article-header h1{font-size:31px;line-height:1.3}.article-deck{font-size:15px}.article-body p,.article-body li{font-size:15px}.article-body h2{font-size:25px}.article-series{font-size:9px}.article-meta{font-size:10px}.article-meta>*+*::before{margin:0 5px}}
@media(max-width:360px){.shell,.site-header,.site-footer{width:calc(100% - 28px)}.brand-name{font-size:12px}.brand-name small{font-size:7px}.header-tools{gap:7px}.account-link{padding:0 7px;min-width:42px}.hero-story h1{font-size:32px}.hero-actions{gap:12px}.hero-actions .text-link{font-size:11px}.receipt{padding:21px 18px}.receipt-values strong{font-size:32px}.receipt-verdict strong{font-size:19px}.receipt-bottom{gap:9px}.receipt-bottom a{font-size:11px}.result-columns strong{font-size:20px}.input-cell select{width:38px;flex-basis:38px}.form-row{grid-template-columns:.7fr 1fr 1fr;gap:6px}.tool-card{grid-template-columns:82px 1fr}.tool-copy{padding:17px 13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{body{background:white;color:black}.site-header,.site-footer,.hero-actions,.receipt-switch,form,.topic-links{display:none!important}.shell{width:100%}.showcase-hero,.lab-layout,.case-grid,.catalog-grid{display:block}.receipt,.lab-result{box-shadow:none;background:#eee;color:black}.case-card,.lab-section{break-inside:avoid}a{color:inherit}.article-body p,.article-body li,.article-deck{color:black}}

/* Visual review: keep Korean words together and bring the first case into view sooner. */
.hero-deck,.case-copy p,.catalog-hero>p,.section-head p,.tool-copy p,.result-context,.method-list p{word-break:keep-all;overflow-wrap:anywhere}
.catalog-hero{padding-top:45px;padding-bottom:22px}.catalog-hero h1{font-size:clamp(34px,3.6vw,50px);line-height:1.18;margin:15px 0}.catalog-hero .review-state{font-size:11px;line-height:1.8;margin-top:14px}.catalog-group{padding-top:36px}.catalog-intro{padding:18px 0}
@media(max-width:640px){.catalog-hero{padding-top:34px}.catalog-hero h1{font-size:34px}.catalog-group{padding-top:34px}}

/* Carbon palette / 2026-10-11 — follows the live ict-terminator.com brand tokens.
   Charcoal first, original lime/cyan as small accents, no green or mint surfaces.
   Presentation only; calculator, article copy, auth and ad gates unchanged. */
:root{
  --bg:#0b0d10;--panel:#12161b;--panel2:#171c22;--line:#303944;
  --text:#f3f5f7;--muted:#9ba6b2;--lime:#c7ff5b;--cyan:#64d7ff;
  --warm:#ffb967;--paper:#f2f4f7;--ink:#182330;--max:1180px;
  --ease:180ms ease-out; color-scheme:dark;
}
html{scroll-behavior:smooth}
body{background:#0b0d10;color:var(--text);
  font-family:Inter,Pretendard,"Apple SD Gothic Neo","Malgun Gothic",Arial,sans-serif;
  letter-spacing:-.021em;line-height:1.75;
}
.shell,.site-header,.site-footer{width:min(var(--max),calc(100% - 72px))}
.site-header{height:84px;gap:30px;border-bottom:1px solid #252c35}
.brand{gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:11px;
  border:1px solid #3e4854;background:linear-gradient(145deg,#1c2229,#0d1014);
  color:#edf1f4;box-shadow:inset 0 1px 0 #ffffff0f;letter-spacing:.06em;
}
.brand-mark.small{width:34px;height:34px;border-radius:9px}
.brand-name{font-size:16px;font-weight:750;line-height:1.3}
.brand-name small{font-size:9px;letter-spacing:.13em;color:#a9b2bc}
.site-header .nav{gap:30px;font-size:13px;margin-left:auto}
.site-header .nav a{display:inline-flex;align-items:center;min-height:44px;color:#c8d1db;transition:color var(--ease)}
.site-header .nav a:hover{color:var(--lime)}
.header-tools{gap:10px}
.account-link{
  height:40px;min-width:63px;padding:0 14px;
  border:1px solid #3e4854;border-radius:999px;
  color:#e4eaf0;background:#12161b;font-size:12px;
}
.account-link:hover{border-color:#657180;background:#1a222b}
.eyebrow,.kicker{color:var(--lime);font-size:11px;letter-spacing:.17em;font-weight:750}
.edition-dot{width:5px;height:5px;margin-right:8px;background:var(--lime);box-shadow:none}
.button{
  border-radius:10px;min-height:48px;padding:12px 18px;line-height:1.5;
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.button:hover{transform:translateY(-1px)}
.button.primary{background:var(--lime);border-color:var(--lime);color:#101318;box-shadow:none}
.button.primary:hover{background:#dcff9e;border-color:#dcff9e}
.button.secondary{background:#151b22;color:var(--text);border:1px solid #3e4854;gap:10px}
.button.secondary:hover{background:#1f2730;border-color:#66727e}
.text-link{color:#e6ecf3;text-decoration:underline;text-decoration-color:#5b6a7b;text-underline-offset:6px}
.text-link:hover{color:var(--lime)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline-color:var(--cyan)}
.showcase-hero{
  padding:86px 0 66px;display:grid;grid-template-columns:minmax(0,1.09fr) minmax(0,.91fr);
  gap:72px;align-items:center;
}
.hero-story{min-width:0}
.hero-story .eyebrow{display:block;margin:0 0 29px;font-size:11px;letter-spacing:.13em}
.hero-story h1{
  font-size:clamp(46px,5vw,69px);line-height:1.18;letter-spacing:-.062em;
  font-weight:760;margin:0 0 32px;text-wrap:balance;
}
.hero-story h1 span{color:#939eac;-webkit-text-fill-color:initial;background:none}
.hero-deck{font-size:17px;max-width:475px;color:#b5c0cb;line-height:1.92;margin:0}
.hero-deck strong{color:#e3eaf1;font-weight:500}
.hero-actions{margin-top:32px;gap:20px;align-items:center;flex-wrap:wrap}
.hero-small{font-size:12px;color:#99a6b3;margin-top:15px}
.receipt{
  min-width:0;padding:29px 30px 27px;background:#f2f4f7;color:#1b2634;
  border:1px solid #dfe4ea;border-radius:15px;
  box-shadow:0 24px 56px #00000050,0 4px 14px #00000030;
  color-scheme:light;
}
.receipt:before{border-top:3px solid var(--lime);border-radius:15px 15px 0 0}
.receipt-top{font:10px/1.7 ui-monospace,Consolas,monospace;letter-spacing:.11em;color:#4b596a}
.receipt-stamp{border:1px solid #b8c2cd;color:#424d5c;border-radius:999px;padding:3px 10px}
.receipt h2{font-size:clamp(29px,2.9vw,36px);margin:22px 0 11px;line-height:1.2;color:#182330}
.receipt-intro{font-size:14px;line-height:1.72;color:#4b5b6c;margin:0 0 19px}
.receipt-switch{border:1px solid #ccd3db;border-radius:10px;background:#e3e8ee;padding:4px;gap:4px;margin-bottom:22px}
.receipt-switch button{min-height:41px;border-radius:7px;color:#485766;font-size:12px}
.receipt-switch button[aria-pressed="true"]{
  background:#263340;color:#f3f7fc;box-shadow:0 1px 4px #14203029;
}
.receipt-values{gap:20px}
.receipt-values>div+div{border-left:1px solid #cbd3dc;padding-left:20px}
.receipt-values span{color:#4d5b6a}
.receipt-values strong{color:#152330;font-size:clamp(30px,3vw,42px)}
.receipt-values small{color:#606e7a}
.receipt-bars{gap:5px;margin-top:17px}
.receipt-bars span{height:4px;background:#97c91e;border-radius:6px}
.receipt-bars span+span{height:4px;background:#bbc5d0}
.receipt-verdict{border-top:1px dashed #bac5d0;margin-top:21px;padding-top:16px}
.receipt-verdict span{color:#455365}
.receipt-verdict strong{color:#192f42;font-size:21px}
.receipt-context{color:#566476}
.receipt-bottom{border-top:1px dashed #bac5d0;color:#5b6979}
.receipt-bottom a{color:#294e78}
.receipt :focus-visible{outline-color:#4276a8}
.question-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;border-top:0;border-bottom:0;
}
.question-strip a,.question-strip a:first-child{
  display:flex;align-items:center;gap:15px;min-width:0;min-height:79px;
  padding:18px 20px;border:1px solid #28313b;border-radius:11px;
  background:#12161b;transition:border-color var(--ease),background var(--ease);
}
.question-strip a+a{border-left:1px solid #28313b}
.question-strip a:hover{border-color:#627080;background:#1a2028}
.question-strip a>span:first-child{color:var(--lime)}
.question-strip a>span:last-child{color:#9aa7b3}
.question-strip b{font-weight:500;color:#ecf0f5}
.notes-section,.lab-section,.tools-section{padding-top:83px;padding-bottom:56px}
.section-head{gap:42px;margin-bottom:30px}
.section-head h2{font-size:clamp(31px,3.2vw,43px);letter-spacing:-.045em;line-height:1.26}
.section-head p{color:#adb8c5}
.case-grid{gap:22px}
.case-card{
  border:1px solid #27313a;border-radius:13px;overflow:hidden;
  background:#12161b;transition:border-color var(--ease),transform var(--ease);
}
.case-card:hover{border-color:#52606f;transform:translateY(-2px)}
.note-visual{min-height:220px;padding:25px;border-radius:12px 12px 0 0;color:#1a293b;background:#e2e7ef}
.visual-label,.note-visual p{color:#47586a}
.visual-price{background:#e5ebf2}
.visual-camp{background:#dce5ef}
.visual-quote{background:#e9e6f2}
.visual-market{background:#d9e6f3}
.visual-auction{background:#e9e3d8}
.visual-video{background:#dde4eb}
.pair-numbers>div+div{border-color:#bbc4d0}
.zero-proof>span,.quote-path b{color:#65778c}
.quote-path span{border-color:#8292a5}
.value-proof strong{color:#24384c}
.stream-proof>div{border-color:#b1c0d1}
.case-copy{padding:23px 24px 25px}
.case-index{color:var(--lime)}
.case-copy h3,.case-copy h2{font-size:23px;line-height:1.45;letter-spacing:-.035em}
.case-copy p{color:#aab6c3}
.case-meta,.section-end>span,.section-footnote{color:#a0acb9}
.lab-section{border-top:1px solid #303944}
.lab-layout{
  border:1px solid #303d4b;border-radius:14px;background:#131920;overflow:hidden;
  box-shadow:0 24px 44px #0000002d;
}
.lab-input,.lab-result{padding:33px}
.lab-result{background:#1a2330;border-left:1px solid #374454}
.panel-label{color:var(--cyan)}
.lab-help{color:#aab9c7}
.lab-help strong{color:#e9eef4}
.form-head{border-color:#3a4654}
.field-label{color:#eef3f8}
.field-label small{color:#a4afbc}
.input-cell input,.input-cell select{
  background:#0d1218;border:1px solid #566274;border-radius:8px;color:#f3f5f7;
  font-size:14px;min-height:44px;
}
.input-cell select{background:#202936}
.input-cell input:focus-visible{border-color:var(--cyan)}
.input-cell input[aria-invalid="true"]{border-color:#ffb967}
.same-product input{accent-color:var(--cyan)}
.lab-privacy{color:#99a8b6}
.result-columns>div+div{border-color:#3d4b5b}
.result-columns>div>span{color:#b4d9ef}
.result-columns strong{color:#f4f7fb}
.result-columns dt{color:#9fbece}
.result-columns dd{color:#e4edf6}
.result-conclusion{border-color:#4a5869;color:#f3f5f7}
.result-context{color:#c0cfda}
.formula-details{border-color:#455466;color:#cbd7e2}
.example-disclosure{color:#bac9d5}
.lab-result .text-link{color:var(--cyan)}
.static-notice{background:#1c2835}
#calc-error{color:#ffcc99}
#calc-error p{border-color:#566578}
.tool-grid{gap:24px 20px}
.tool-card{
  border:1px solid #2d3742;border-radius:13px;overflow:hidden;
  background:#12161b;transition:border-color var(--ease),transform var(--ease);
}
.tool-card:hover{border-color:#617081;transform:translateY(-2px)}
.tool-image{height:171px;background:#19202a}
.tool-image>span{background:#121821eb;border:1px solid #758393;border-radius:6px;color:#eaf0f5}
.tool-copy{padding:23px}
.tool-copy h3{color:#edf1f6}
.tool-copy p{color:#adb8c6}
.tool-actions{border-color:#303944}
.tool-actions>a+a{color:#aebbc7}
.method-section{gap:62px;padding:84px 0 100px;border-color:#303944}
.method-section h2{font-size:35px}
.method-list li{border-color:#303944}
.method-list li>b{color:var(--lime)}
.method-list h3{color:#edf0f4}
.method-list p{color:#abb8c6}
.site-footer{padding-top:33px;border-color:#303944}
.footer-links a,.footer-legal{color:#9ba6b2}
.catalog-hero{padding:68px 0 30px}
.catalog-hero h1{font-size:clamp(36px,5vw,62px)}
.catalog-hero>p{color:#b4c0cd}
.catalog-intro{border-color:#364351}
.catalog-intro strong{color:var(--lime)}
.catalog-grid .case-copy{padding:25px}
.catalog-guide{padding:27px;border-radius:12px;border-color:#354251;background:#131a22}
.catalog-guide p{color:#a9b6c3}
.topic-links a{border-color:#394653;border-radius:9px}
.topic-links a:hover{border-color:var(--lime)}
.article-header{border-bottom:1px solid #303944}
.article-header h1{line-height:1.22;letter-spacing:-.045em;color:#f4f6f9}
.article-deck,.article-body p,.article-body li{color:#b8c4d0}
.article-body h2{color:#eaf0f7;line-height:1.38}
.article-meta,.article-category,.article-series b,.breadcrumbs{color:#9caab8}
.article-figure{border-radius:12px;border-color:#3d4957}
.article-note{border-left-color:var(--lime);background:#171e27;border-radius:0 11px 11px 0}
.article-note strong{color:var(--lime)}
.article-note span{color:#b5c3cf}
.review-state{border-left-color:var(--lime)}
.article-meta .review-badge{border-color:#606d80;background:#202b39;color:#d8e2ee}
.article-service-cta,.related-link{background:#171e26;border-color:#303e4e}
.article-service-cta a{color:var(--lime)}
.article-figure-label{color:#dfe9f3}
@media(max-width:1100px){
  .site-header .nav{gap:18px}
  .showcase-hero{gap:36px}
  .hero-story h1{font-size:clamp(45px,5.15vw,59px)}
  .receipt{padding:26px}
  .receipt-values{gap:12px}
  .receipt-values>div+div{padding-left:12px}
  .lab-input,.lab-result{padding:25px}
}
@media(max-width:850px){
  .shell,.site-header,.site-footer{width:calc(100% - 48px)}
  .site-header{height:82px}
  .showcase-hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px;padding:55px 0}
  .hero-story h1{font-size:clamp(38px,4.7vw,45px)}
  .hero-deck{font-size:15px}
  .receipt{padding:23px}
  .receipt h2{font-size:28px}
  .receipt-values strong{font-size:30px}
  .lab-layout{grid-template-columns:1fr}
  .lab-result{border-left:0;border-top:1px solid #374454}
  .question-strip{gap:8px}
  .question-strip a,.question-strip a:first-child{padding:16px}
  .case-grid{grid-template-columns:1fr 1fr}
  .notes-section,.lab-section,.tools-section{padding-top:65px}
  .method-section{gap:32px}
}
@media(max-width:640px){
  .shell,.site-header,.site-footer{width:calc(100% - 36px)}
  .site-header{height:76px;min-height:76px;gap:11px}
  .brand-mark{width:36px;height:36px;border-radius:9px}
  .brand-name{font-size:13px}
  .account-link{min-width:47px;height:36px;padding:0 10px;font-size:11px}
  .mobile-menu summary{border-color:#536171;border-radius:9px}
  .mobile-menu nav{background:#171e27;border-color:#435161;border-radius:9px;box-shadow:0 14px 32px #0009}
  .showcase-hero{grid-template-columns:minmax(0,1fr);padding:45px 0 36px;gap:34px}
  .hero-story,.receipt{min-width:0}
  .hero-story .eyebrow{font-size:10px;margin-bottom:18px}
  .hero-story h1{font-size:clamp(35px,9vw,52px);line-height:1.2;margin-bottom:20px}
  .hero-deck{font-size:14px;line-height:1.9}
  .hero-actions{gap:18px;margin-top:26px}
  .hero-actions .button{font-size:12px;padding:10px 14px}
  .hero-actions .text-link{font-size:12px}
  .receipt{padding:24px 21px 22px;border-radius:13px;box-shadow:0 14px 32px #00000040}
  .receipt:before{border-radius:13px 13px 0 0}
  .receipt h2{font-size:29px}
  .receipt-values strong{font-size:31px}
  .question-strip{grid-template-columns:minmax(0,1fr);gap:7px}
  .question-strip a,.question-strip a:first-child{min-height:61px;padding:13px 15px;border-radius:9px}
  .notes-section,.lab-section,.tools-section{padding-top:62px;padding-bottom:48px}
  .section-head h2{font-size:29px}
  .case-card,.tool-card{border-radius:12px}
  .note-visual{min-height:204px}
  .case-copy{padding:20px}
  .lab-layout{border-radius:12px}
  .lab-input,.lab-result{padding:22px}
  .tool-copy{padding:20px}
  .catalog-guide{padding:22px}
  .article-body p,.article-body li{font-size:15px}
}
@media(prefers-reduced-motion:reduce){
  .button,.case-card,.tool-card,.question-strip a{transition:none!important}
  .button:hover,.case-card:hover,.tool-card:hover{transform:none}
}
