@font-face{font-family:CornerKR;src:url("/lab/corner/NotoSansKR-corner-bcb56d0b5f3e.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:CornerDigits;src:url("/lab/corner/Inter-corner-c77a639606a7.woff2") format("woff2");font-weight:100 900;font-display:swap}
.lab-corner-page{margin:0;padding:0;font-family:CornerKR,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",sans-serif}
.lab-corner-page *{box-sizing:border-box}.lab-corner-page a{color:inherit}
.lab-corner-page .lab-content{padding:28px 26px 48px}
.lab-corner-page .corner-page{--workbook-ui:CornerKR,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",sans-serif}
.lab-corner-page [hidden]{display:none!important}
@media(max-width:760px){.lab-corner-page .lab-content{padding:18px 12px 30px}}
@media(max-width:370px){.lab-corner-page .lab-content{padding:14px 8px 24px}}

.corner-page{--formula-blue:#477d6b;--formula-ink:#263c33;--formula-muted:#738579;--workbook-digits:"CornerDigits","Inter",sans-serif;color-scheme:light;max-width:1056px;margin:0 auto;color:var(--formula-ink);font-family:var(--workbook-ui,"Noto Sans KR",sans-serif);background:#fff;padding:30px;border:1px solid #e5ebe5;border-radius:18px}
.corner-page *{box-sizing:border-box}.corner-page h1,.corner-page h2,.corner-page p{margin:0}.corner-page button,.corner-page input{font-family:inherit}.corner-page button{cursor:pointer}.corner-page button:disabled{cursor:default}
.corner-page .formula-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 30px}.corner-page .formula-eyebrow{display:block;color:var(--formula-muted);font-size:12px;letter-spacing:.04em;font-weight:500;margin-bottom:10px}.corner-page .formula-eyebrow>span{padding:0 8px;color:#b3bdcb}.corner-page .formula-eyebrow .corner-request-badge{color:#8f693a;background:#f6efdf;border-radius:4px;padding:3px 7px;font-size:11px;letter-spacing:0}
.corner-page .formula-heading h1{font-size:30px;letter-spacing:-.045em;font-weight:650;line-height:1.3;color:var(--formula-ink)}.corner-page .formula-heading p{font-size:14px;color:var(--formula-muted);margin-top:10px;line-height:1.6}
.corner-page .formula-reset{display:flex;align-items:center;gap:8px;flex-shrink:0;padding:8px 0 8px 12px;border:0;background:transparent;color:var(--formula-muted);font-size:13px}.corner-page .formula-reset span{font-size:24px}.corner-page .formula-reset:hover{color:var(--formula-blue)}
.corner-page .formula-bottom{border-top:1px solid #edf0e9;padding-top:14px;display:flex;flex-wrap:wrap;align-items:center;gap:6px;justify-content:space-between}.corner-page .formula-copy{font-size:14px;color:#477d6b;border:0;background:none;padding:5px 0 5px 10px;min-height:44px}.corner-page .formula-copy span{margin-left:7px}.corner-page .formula-copy:disabled{color:#9ca99f}.corner-page .formula-copy-status{min-height:0;font-size:12px;color:#477d6b}.corner-page .formula-copy-status:not(:empty){margin-top:8px}.corner-page .formula-copy-buffer{position:fixed;left:-9999px;top:0}
.corner-page .corner-view-controls [data-corner-turn]{display:inline-flex;align-items:center;justify-content:center}.corner-page .corner-view-controls svg{display:block}
#corner-calculator .corner-field input{background:transparent;color:#375c4e;border:0;box-shadow:none}#corner-calculator .corner-points>summary{color:#627c69}
@media(max-width:760px){.corner-page{padding:20px 14px;border-radius:14px}.corner-page .formula-heading{gap:8px;align-items:flex-start}.corner-page .formula-reset{margin-top:25px;gap:5px}.corner-page .formula-heading p{font-size:12px}.corner-page .formula-heading h1{font-size:25px}}
@media(max-width:370px){.corner-page{padding:18px 10px}.corner-page .formula-heading h1{font-size:23px}.corner-page .formula-reset{font-size:11px;padding-left:5px}.corner-page .corner-setup .corner-field{width:142px}.corner-page .corner-height-row{gap:8px;padding-left:10px;padding-right:10px}.corner-page .corner-height-row .corner-field{width:145px}}

.corner-page{--corner-accent:#477d6b;--corner-line:#dce5df;--formula-muted:#617467}.corner-page .formula-heading{margin-bottom:22px}.corner-setup{display:flex;align-items:center;gap:24px;padding:16px 18px;background:#f7f9f6;border:1px solid var(--corner-line);border-radius:14px}.corner-field{display:block;min-width:0;flex-shrink:0;width:170px;background:#fff;border:1px solid #d9e2dc;border-radius:9px;padding:8px 12px}.corner-field>span:first-child{display:block;font-size:12px;color:#617467;line-height:1.5}.corner-field>span:last-child{display:flex;align-items:center;gap:10px}.corner-field input{width:100%;min-width:0;min-height:32px;padding:0;border:0;background:none;outline:none;font:550 17px var(--workbook-digits,inherit);color:#375c4e;font-variant-numeric:tabular-nums;letter-spacing:-.035em}.corner-field small{color:#617467;font-size:11px}.corner-field:focus-within{border-color:#6f9d8b;box-shadow:0 0 0 3px #6f9d8b10}.corner-field:has([aria-invalid=true]){border-color:#cd806c}.corner-setup>p{margin:0;display:grid;gap:5px;font-size:13px;line-height:1.6;color:#617467}.corner-setup b{font-weight:550;color:#516e5b}.corner-message{font-size:12px;min-height:16px;line-height:1.5;margin:7px 0 12px;color:#617467}.corner-message.is-error{color:#b54e3b}.corner-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:18px;align-items:start}.corner-scene-card,.corner-section-card{min-width:0;border:1px solid var(--corner-line);background:#fff;border-radius:16px;overflow:hidden}.corner-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 18px 10px}.corner-card-top h2{font-size:14px;font-weight:600;color:#516a5c;margin:0}.corner-card-top>span{font:500 12px var(--workbook-digits,inherit);color:#617467}.corner-scene-card .corner-card-top>span{color:#477d6b;background:#e8f0ea;padding:4px 8px;border-radius:5px}.corner-scene-wrap{position:relative;background:linear-gradient(160deg,#f9f8f3,#f0f3ed);margin:0 10px;border-radius:10px;overflow:hidden}#corner-scene{width:100%;height:380px;touch-action:none}#corner-scene canvas{display:block;width:100%;height:100%;touch-action:none}#corner-scene-fallback{height:220px;display:flex;align-items:center;justify-content:center;padding:24px;text-align:center;line-height:1.8;font-size:13px;color:#617467}.corner-page [hidden]{display:none!important}.corner-invalid-cover{position:absolute;inset:0;display:grid;place-items:center;background:#f5f7f3;color:#617467;font-size:13px}.corner-view-controls{display:flex;align-items:center;justify-content:center;gap:6px;padding:13px 12px 8px}.corner-view-controls button{border:1px solid #e1e8e0;border-radius:7px;background:#fff;color:#617467;min-height:36px;padding:6px 13px;font:inherit;font-size:12px}.corner-view-controls button[aria-pressed=true]{background:#eaf1eb;color:#477d6b;border-color:#b7cdbf}.corner-view-controls [data-corner-turn]{font-size:19px;line-height:1;min-width:36px;padding:5px}.corner-scene-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:7px 18px 8px;font-size:11px;color:#617467}.corner-scene-footer label{display:flex;gap:6px;align-items:center;min-height:26px;color:#617467}.corner-scene-footer input{appearance:auto;accent-color:#6b9c85;width:15px;height:15px;margin:0}.corner-caption{display:flex;align-items:center;justify-content:center;gap:6px;margin:0;padding:9px 12px 16px;font-size:11px;color:#805f43}.corner-caption i{display:inline-block;width:14px;height:2px;background:#c46136}.corner-height-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 18px 8px}.corner-height-row .corner-field{width:150px}.corner-height-row>p{color:#617467;font-size:12px;line-height:1.6;margin:0}#corner-height-slider{display:block;width:calc(100% - 36px);height:26px;min-height:26px;margin:2px 18px 0;padding:0;accent-color:#ab7852}.corner-range-label{display:flex;justify-content:space-between;margin:0 18px;font:11px var(--workbook-digits,inherit);color:#617467}#corner-section{display:block;width:100%;height:auto;max-height:310px;margin:4px auto 0;font-family:var(--workbook-digits,inherit)}.corner-svg-label{font-size:11px;fill:#617467}.corner-svg-muted{font-size:10px;fill:#617467}.corner-svg-point{font-size:11px;fill:#9b5939}.corner-results{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 18px;border-top:1px solid #edf0eb;padding-top:14px}.corner-results>div{min-width:0}.corner-results span{font-size:11px;color:#617467;display:block}.corner-results strong{display:flex;align-items:baseline;gap:4px;flex-wrap:wrap;font:550 22px var(--workbook-digits,inherit);color:#54715e;letter-spacing:-.04em;margin-top:7px;overflow-wrap:anywhere}.corner-results small{font-size:10px;color:#617467;letter-spacing:0}.corner-help{color:#617467;font-size:11px;line-height:1.7;word-break:keep-all;overflow-wrap:anywhere}.corner-section-card>.corner-help{margin:13px 18px 17px;min-height:36px}.corner-points{border:1px solid var(--corner-line);border-radius:12px;margin-top:18px;color:#627c69;font-size:13px;background:#fff}.corner-points>summary{cursor:pointer;padding:16px}.corner-points>summary>span{float:right;font-size:11px;color:#617467}.corner-points-body{padding:0 16px 16px}.corner-points-body>p{font-size:12px;color:#617467;line-height:1.8;margin:4px 0 12px;word-break:keep-all}.corner-table-wrap{border:1px solid #e6ebe4;border-radius:9px;overflow:hidden}.corner-table-wrap table{width:100%;table-layout:fixed;border-collapse:collapse;font:12px var(--workbook-digits,inherit);font-variant-numeric:tabular-nums}.corner-table-wrap caption{background:#f6f8f4;padding:10px 12px;text-align:left;color:#617467;font-size:11px}.corner-table-wrap th,.corner-table-wrap td{text-align:right;padding:9px 12px;font-weight:400;color:#617467}.corner-table-wrap th:first-child{width:20%;text-align:left}.corner-table-wrap thead th{font-size:11px;color:#617467}.corner-table-wrap tbody tr{border-top:1px solid #f0f3ee}.corner-scope{font-size:11px;color:#617467;line-height:1.8;margin:16px 2px;word-break:keep-all;overflow-wrap:anywhere}.corner-page .formula-copy{color:#477d6b}.corner-page .formula-bottom>span{font-size:11px;color:#617467}.corner-page button:focus-visible,.corner-page summary:focus-visible,.corner-page input[type=range]:focus-visible,.corner-page input[type=checkbox]:focus-visible{outline:2px solid #6c947e;outline-offset:3px}.corner-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:760px){.corner-page{max-width:540px}.corner-layout{grid-template-columns:minmax(0,1fr);gap:14px}.corner-page .formula-heading{margin-bottom:16px}.corner-page .formula-heading h1{font-size:26px}.corner-page .formula-heading p{font-size:13px;margin-top:6px}.corner-page .formula-eyebrow{font-size:12px;margin-bottom:6px}.corner-setup{gap:14px;padding:12px}.corner-setup .corner-field{width:150px}.corner-setup>p{font-size:11px;gap:4px}.corner-field input{font-size:17px}.corner-field>span:first-child{font-size:11px}#corner-scene{height:300px}.corner-card-top{padding:14px 14px 10px}.corner-scene-footer{padding:6px 14px}.corner-points{margin-top:14px}}
@media(max-width:370px){.corner-setup{gap:10px;padding:10px}.corner-setup .corner-field{width:150px;padding:7px 9px}.corner-field input{font-size:17px}.corner-setup>p{font-size:10px}.corner-setup>p span{line-height:1.7}.corner-view-controls{gap:4px}.corner-view-controls button{padding:6px 10px}.corner-height-row{padding:4px 14px 8px}.corner-height-row .corner-field{width:150px}.corner-height-row>p{font-size:11px}#corner-scene{height:270px}.corner-results{gap:10px;margin:0 14px}.corner-results span{font-size:10px}.corner-results strong{font-size:20px}.corner-page .formula-bottom>span{max-width:55%;font-size:10px}.corner-page .formula-copy{font-size:12px}}
/* Faceted corner net: the same geometry links the assembled view and cut sheet. */
.corner-mode{display:flex;gap:4px;padding:4px;border:1px solid var(--corner-line);border-radius:10px;background:#f3f6f1;margin:0 0 16px;width:fit-content}.corner-mode button{border:0;background:transparent;border-radius:7px;padding:10px 22px;min-height:42px;font:inherit;font-size:13px;font-weight:500;color:#63776a}.corner-mode button[aria-pressed=true]{background:#fff;color:#365f4e;box-shadow:0 1px 5px #29493615}.corner-mode span{font-size:8px;letter-spacing:.08em;margin-left:4px;color:#a5683b}.corner-page .corner-net-notice{font-size:12px;line-height:1.8;color:#617467;margin:0 0 18px;word-break:keep-all}.corner-net-notice b{color:#3f6754;font-weight:600}.corner-net-card{border:1px solid var(--corner-line);border-radius:16px;min-width:0;background:#fff;overflow:hidden}.corner-net-settings{display:flex;gap:12px;margin:5px 18px 0}.corner-net-settings label{display:grid;gap:6px;flex:1;min-width:0;color:#617467;font-size:11px}.corner-net-settings select{width:100%;min-height:42px;background:#f6f8f4;color:#375b4c;border:1px solid #d9e3da;border-radius:7px;padding:8px;font:inherit;font-size:14px;font-weight:500}.corner-page .corner-net-intro{margin:9px 18px 14px;color:#617467;font-size:11px}.corner-net-paper{background:#faf9f4;border-top:1px solid #eeede3;border-bottom:1px solid #eeede3;padding:15px 12px 5px;min-height:160px;display:grid;place-items:center}.corner-net-paper svg{display:block;width:100%;height:auto;max-height:280px;overflow:visible}.corner-net-gore{cursor:pointer}.corner-net-cut{fill:#eef1e7;stroke:#748a78;stroke-width:1;vector-effect:non-scaling-stroke;stroke-linejoin:round}.corner-net-gore.is-selected .corner-net-cut{fill:#f2dec4;stroke:#ae7548;stroke-width:1.5}.corner-net-fold{fill:none;stroke:#879985;stroke-width:.5;vector-effect:non-scaling-stroke}.corner-net-gore text{fill:#526b55;font-size:10px;font-family:var(--workbook-digits,inherit)}.corner-net-gore.is-selected text{fill:#9c6137;font-weight:600}#corner-net-empty{font-size:12px;color:#617467}.corner-net-legend{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:9px 18px;color:#617467;font-size:10px}.corner-net-legend>span,.corner-net-legend label{display:flex;align-items:center;gap:6px;min-height:32px}.corner-net-legend i{width:16px;height:2px;background:#748a78}.corner-net-legend input{appearance:auto;accent-color:#477d6b;width:15px;height:15px;margin:0}.corner-net-pick{display:flex;flex-wrap:wrap;gap:5px;margin:0 18px}.corner-net-pick button{background:#f7f9f4;border:1px solid #dce5da;border-radius:6px;min-width:34px;min-height:36px;color:#617467;font:500 12px var(--workbook-digits,inherit)}.corner-net-pick button[aria-pressed=true]{background:#f3e2cd;border-color:#c4905d;color:#8f562e}.corner-page .corner-net-selection{font-size:10px;color:#926439;margin:8px 18px 16px;min-height:16px}.corner-net-metrics{margin:0 18px;border-top:1px solid #edf0e9;padding-top:14px;display:grid;gap:14px}.corner-net-metrics dt{font-size:11px;color:#617467}.corner-net-metrics dd{margin:5px 0 0;color:#3e6751;font:500 19px var(--workbook-digits,inherit);letter-spacing:-.025em;overflow-wrap:anywhere}.corner-net-metrics>div+div dd{font-size:16px;color:#986536}.corner-net-downloads{display:flex;gap:8px;margin:20px 18px 10px}.corner-net-downloads button{flex:1;border:1px solid #cad9cd;min-height:43px;border-radius:8px;background:#fff;color:#47725b;font:inherit;font-size:11px;font-weight:500;padding:8px;cursor:pointer}.corner-net-downloads button:first-child{background:#46755f;color:#fff;border-color:#46755f}.corner-net-downloads button:disabled{opacity:.45;cursor:default}.corner-page .corner-net-print{font-size:10px;line-height:1.9;color:#617467;margin:0 18px 12px;word-break:keep-all}.corner-net-print b{color:#47725b}.corner-net-how{font-size:12px;color:#597260;border-top:1px solid #e7ece3}#corner-calculator .corner-net-how>summary{color:#597260;padding:14px 18px;cursor:pointer}.corner-net-how ol{margin:0 18px 12px;padding-left:20px;font-size:11px;line-height:1.9;word-break:keep-all}.corner-page .corner-net-how p{margin:0 18px 14px;color:#617467;font-size:11px;line-height:1.85;word-break:keep-all}.corner-net-how dl{margin:0 18px 16px;font-size:10px;line-height:1.7}.corner-net-how dl div{display:flex;justify-content:space-between;gap:10px;margin:6px 0}.corner-net-how dd{margin:0;font-variant-numeric:tabular-nums;white-space:nowrap}#corner-net-status{margin:0 18px 12px;color:#477d6b;font-size:11px;line-height:1.7}#corner-net-status:empty{display:none}.corner-page select:focus-visible{outline:2px solid #6c947e;outline-offset:3px}.corner-page[data-mode=net] .corner-scene-card{position:sticky;top:20px}.corner-page[data-mode=net] .corner-scene-footer{justify-content:flex-end}
@media(max-width:760px){.corner-mode{width:100%}.corner-mode button{flex:1;padding:8px 15px}.corner-page[data-mode=net] .corner-scene-card{position:static}.corner-page[data-mode=net] #corner-scene{height:220px}.corner-page .corner-net-notice{margin-bottom:14px;font-size:11px}.corner-net-card .corner-card-top>span{font-size:10px}.corner-net-paper svg{max-height:250px}.corner-net-settings{margin:5px 14px 0}.corner-net-metrics dd{font-size:18px}}