@charset "UTF-8";
[hidden]{display:none!important}
:root{--ink:#29323b;--muted:#5c6873;--line:#b8c6d0;--rule:#dce4e9;--paper:#fff;--desk:#edf0f2;--blue:#285675;--cut:#a34b31;--error:#a12d22;font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;color:var(--ink);background:var(--desk);line-height:1.6;font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}a{color:var(--blue);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}button,input,summary{-webkit-tap-highlight-color:transparent}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.5}h2{font-size:1.05rem}h3{font-size:1rem}button{color:var(--ink);background:white;border:1px solid var(--line);border-radius:0;min-height:40px;padding:5px 12px}button:hover:not(:disabled){background:#edf3f8;border-color:var(--blue)}:focus-visible{outline:2px solid var(--blue);outline-offset:3px}input{width:100%;min-width:0;min-height:40px;border:0;border-bottom:1px solid #859baa;background:#f5f8fa;color:var(--ink);border-radius:0;padding:6px 8px;font-size:1rem;font-variant-numeric:tabular-nums}input:focus{background:#edf4f9}input[type=number]{appearance:textfield;-moz-appearance:textfield;font-family:Consolas,monospace;text-align:right}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=checkbox]{width:18px;height:18px;min-height:18px;accent-color:var(--blue);flex-shrink:0}input[aria-invalid=true]{outline:2px solid var(--error)}label{font-size:.875rem;min-width:0}.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{position:fixed;top:-80px;left:12px;z-index:5;background:white;padding:10px}.skip:focus{top:8px}
.site-header{max-width:1440px;margin:auto;display:flex;align-items:center;gap:18px;padding:11px 28px;border-bottom:1px solid var(--line);background:white}.brand{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:700;font-size:1.4rem;letter-spacing:.08em;color:var(--ink);text-decoration:none;white-space:nowrap}.header-description{font-size:.8rem;color:var(--muted);padding-left:17px;border-left:1px solid var(--line)}.site-header nav{display:flex;gap:22px;margin-left:auto;font-size:.875rem}.site-header nav a{color:var(--ink);text-decoration:none}.site-header nav a:hover{text-decoration:underline}main{max-width:1440px;margin:auto;padding:0 28px}.work-title{display:flex;align-items:baseline;gap:18px;padding:16px 0 14px}.work-title h1{font-size:1.25rem;letter-spacing:.025em}.work-title p{font-size:.875rem;color:var(--muted)}.jump-plan{margin-left:auto;font-size:.875rem}.workspace{display:grid;grid-template-columns:minmax(365px,430px) minmax(0,1fr);gap:24px;align-items:start;scroll-margin-top:16px}.input-panel,.result-panel{min-width:0;background:white}.input-panel{padding:0 18px 12px;border:1px solid var(--line)}.result-panel{padding:0 18px 14px;border-top:2px solid var(--ink);border-bottom:1px solid var(--line)}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--ink);padding:10px 0;margin-bottom:12px}.panel-heading h2{font-size:1.05rem}.unit-label,.calculation-state{font-size:.8rem;color:var(--muted)}.calculation-state.is-dirty{color:var(--error);text-decoration:underline;text-underline-offset:4px}.result-panel>.panel-heading{margin-bottom:0;border-bottom:1px solid var(--line)}#result-heading{scroll-margin-top:14px}fieldset{margin:0 0 18px;padding:0;border:0;min-width:0}legend{font-size:.875rem;font-weight:700;padding:0;margin-bottom:7px}.fabric-fields{display:grid;grid-template-columns:1fr 1fr;gap:22px}.fabric-fields>label{display:flex;align-items:center;gap:10px;white-space:nowrap}.input-unit{display:flex;align-items:center;gap:5px;min-width:0;flex:1}.input-unit input{min-width:52px}.input-unit span{font-size:.8rem;color:var(--muted)}.field-help{font-size:.8125rem;color:var(--muted);margin:7px 0;line-height:1.65}.parts-section>.field-help{margin:0 0 9px}.parts-heading,.part-row{display:grid;grid-template-columns:minmax(85px,1fr) 58px 12px 58px 40px 28px;gap:4px;align-items:center}.parts-heading{font-size:.8rem;padding:6px 2px;border-top:1px solid var(--ink);border-bottom:1px solid var(--line);color:var(--muted)}.dimensions-label{grid-column:2/5;text-align:center}.part-row{border-bottom:1px solid var(--rule);padding:5px 0}.part-row input{padding:5px 4px;background:transparent;border-bottom:1px dotted #9aacb7}.part-row input:focus{background:#edf4f9}.part-name input{font-family:inherit;font-size:.9375rem}.times{font-size:.8rem;text-align:center;color:var(--muted)}.remove-part{border:0;background:none;min-height:40px;padding:0;font-size:1.1rem;color:var(--muted)}.add-button{background:none;border:0;padding:4px 0;min-height:38px;font-size:.875rem;color:var(--blue);text-decoration:underline;text-underline-offset:4px}.check-line{display:flex;align-items:center;gap:9px;margin:4px 0 12px}.check-line small{display:block;font-size:.8rem;color:var(--muted)}.three-fields{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.three-fields label{display:flex;flex-direction:column;gap:5px}.three-fields input{margin-top:auto}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;background:var(--blue);color:white;border:1px solid var(--blue);padding:10px 16px;min-height:44px;text-decoration:none;font-size:.9375rem;font-weight:600}.button:hover{background:#1e435d;color:white}.button.primary{width:100%;justify-content:space-between}.button.primary:hover{background:#1e435d;color:white}.update-note{font-size:.8rem;margin-bottom:10px}.examples{border-top:1px solid var(--line);font-size:.875rem;padding-top:5px}.examples summary{min-height:36px}.examples p{font-size:.8125rem;color:var(--muted);margin:7px 0}.example-buttons{display:flex;flex-wrap:wrap;gap:5px}.example-buttons button{font-size:.8rem;padding:5px 8px}summary{cursor:pointer;align-content:center;min-height:40px}
.diagram-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 0;font-size:.8125rem}.diagram-toolbar>div{display:flex;gap:6px;flex-shrink:0}.diagram-toolbar button{font-size:.8rem;min-height:34px;padding:4px 8px}.diagram-board{overflow-x:auto;overscroll-behavior-x:contain;border:1px solid var(--rule);background:#fff;scrollbar-color:#94a6b3 #edf0f2}.cutting-diagram{display:block;width:100%;height:auto;min-height:240px}.diagram-board.enlarged .cutting-diagram{min-width:900px}.cutting-diagram text{font-family:Consolas,"Yu Gothic UI",sans-serif;fill:var(--ink)}.fabric-surface{fill:#fcfdfe;stroke:#7a91a0;stroke-width:1}.grid-line{fill:none;stroke:#dce6ee;stroke-width:1}.ruler-tick,.dimension-line{fill:none;stroke:#667e8d;stroke-width:1}.ruler-number{font-size:16px;fill:var(--muted)}.dimension-label{font-size:18px}.ear-hatch{stroke:#8b9fae;stroke-width:1}.cut-edge{fill:#f5f8fb;fill-opacity:.82;stroke:var(--cut);stroke-width:1.6}.piece-index{font-size:19px;font-weight:700;fill:var(--cut)!important}.piece-name{font-size:20px;font-weight:600}.piece-size{font-size:18px}.piece-copy{font-size:16px;fill:var(--muted)!important}.piece-direction,.grain-direction{fill:none;stroke:var(--blue);stroke-width:1.6}.piece-direction{stroke-dasharray:9 3 2 3}.arrow-head{fill:none;stroke:var(--blue);stroke-width:1.5}.diagram-note{font-size:.8rem;padding:5px 10px;color:var(--muted);border-top:1px solid var(--rule)}.diagram-measure{font-size:.875rem;margin-top:8px;font-variant-numeric:tabular-nums}.diagram-footer{display:flex;flex-wrap:wrap;gap:4px 18px;margin-top:6px;font-size:.75rem;color:var(--muted);align-items:center}.line-key{display:inline-block;width:20px;border-top:2px solid var(--cut);vertical-align:middle}.grain-note{font-size:.8125rem;color:var(--muted);margin:5px 0 12px}.purchase{border-top:2px solid var(--ink);border-bottom:1px solid var(--line);padding:10px 0;margin-top:12px}.purchase>p:first-child{font-size:.9375rem}.purchase strong{font-size:1.15rem;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}.purchase>p>span{color:var(--muted);font-size:.8125rem}.purchase-detail{font-size:.8125rem;margin-top:5px;color:var(--muted);font-variant-numeric:tabular-nums}.purchase-detail span{margin-left:12px}.result-caveat{font-size:.8125rem;color:var(--muted);margin-top:6px}.width-compare{margin-top:17px}.comparison-title{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:5px}.comparison-title h3{font-size:.875rem}.comparison-title>span{font-size:.75rem;color:var(--muted)}.comparison-grid{display:flex;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.comparison{flex:1;min-width:0;border:0;border-right:1px solid var(--rule);padding:6px 10px;display:flex;flex-direction:column;align-items:flex-start;gap:1px;font-size:.8125rem;position:relative}.comparison:last-child{border-right:0}.comparison.selected{background:#eaf1f6;box-shadow:inset 0 2px var(--blue)}.comparison strong{font-size:.9375rem;font-weight:600;font-variant-numeric:tabular-nums}.comparison small{font-size:.8rem;font-weight:400;margin-left:3px}.comparison>span:last-child{font-size:.75rem;color:var(--blue)}.piece-register{margin-top:17px}.piece-register p{display:grid;grid-template-columns:55px minmax(70px,1fr) auto 35px;gap:10px;border-bottom:1px solid var(--rule);padding:7px 0;font-size:.875rem;align-items:baseline}.piece-register p>span:first-child{font-family:Consolas,monospace;color:var(--cut);font-size:.8rem;overflow-wrap:anywhere}.piece-register strong{font-weight:500;overflow-wrap:anywhere}.piece-register p>span:nth-last-child(2){font-variant-numeric:tabular-nums}.piece-register p>span:last-child{text-align:right}.cut-list{border-bottom:1px solid var(--line);font-size:.875rem}.cut-list summary{min-height:42px;font-size:.875rem}.cut-list summary span{color:var(--muted);margin-left:12px}.cut-list p{font-size:.8125rem;color:var(--muted);margin:5px 0}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.8125rem;white-space:nowrap}td,th{padding:7px 6px;text-align:left;border-bottom:1px solid var(--rule);font-weight:400}thead th{font-weight:600;border-bottom:1px solid var(--ink)}th small{display:block;color:var(--muted);font-size:.75rem}tbody th{white-space:normal;overflow-wrap:anywhere;min-width:80px}.result-actions{display:flex;justify-content:space-between;gap:12px;font-size:.8125rem;color:var(--muted);margin-top:10px}.print-condition{display:none}.final-check{font-size:.8125rem;color:var(--muted);margin-top:8px}.empty-result,.cannot-fit{padding:25px 15px;min-height:280px;border-bottom:1px solid var(--line);align-content:center}.empty-result h3,.cannot-fit h3{font-size:1.1rem;margin:10px 0}.empty-result p,.cannot-fit p{font-size:.875rem;overflow-wrap:anywhere}.error-message{border-left:3px solid var(--error);color:var(--error);background:#fff4f2;font-size:.875rem;padding:8px;margin:8px 0}.error-message[hidden]{display:none}.reference-notes{margin:26px 0 22px;padding-top:12px;border-top:1px solid var(--line)}.reference-notes>h2{font-size:1rem;margin-bottom:12px}.notes-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px}.reference-notes h3{font-size:.875rem;margin-bottom:6px}.reading dl{margin:0}.reading dt{font-size:.875rem;margin:9px 0 4px}.reading dd{margin:0 0 12px;font-size:.8125rem;color:var(--muted)}.faq details{border-bottom:1px solid var(--line)}.faq summary{font-size:.875rem}.faq details p{font-size:.875rem;margin:5px 0 12px}.site-footer{max-width:1384px;margin:0 auto;padding:14px 0 20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}.site-footer .brand{font-size:1rem}.site-footer nav{display:flex;flex-wrap:wrap;gap:16px;font-size:.8rem}.site-footer>small{font-size:.75rem;color:var(--muted);margin-left:auto}.article{max-width:850px;background:#fff;padding:24px 38px 40px;min-height:60vh;margin:20px auto 30px;border-top:2px solid var(--ink)}.breadcrumbs{font-size:.8125rem;margin-bottom:18px;color:var(--muted)}.eyebrow{font-size:.8125rem;color:var(--muted);margin-bottom:6px}.article h1{font-size:1.65rem;line-height:1.65;margin-bottom:20px}.article h2{font-size:1.15rem;border-bottom:1px solid var(--line);padding-bottom:7px;margin:25px 0 12px}.article p,.article li{font-size:1rem;line-height:1.9}.article p{margin-bottom:14px}.article .lead{font-size:1.05rem}.article .example{border-left:2px solid var(--blue);padding:10px 18px;background:#f1f5f8;margin:20px 0}.article .example p{margin:7px 0}.article .example .button{margin-top:8px}.article li{margin-bottom:7px}
.piece-compact{font-size:16px}
/* Input boundaries must remain distinguishable without relying on pale fills. */
input,.part-row input{border-bottom-color:var(--muted)}
.project-section{border-bottom:1px solid var(--line);padding-bottom:12px}.project-section>label{display:flex;align-items:center;gap:12px;min-width:0}.project-section select{width:100%;min-width:0;max-width:100%;min-height:40px;border:1px solid var(--muted);border-radius:0;background:#f5f8fa;color:var(--ink);padding:6px 8px}.project-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;margin:10px 0}.project-fields label{display:flex;flex-direction:column;gap:4px}.project-fields input{margin-top:auto}.project-assumption{border-left:2px solid var(--blue);padding-left:9px}.project-generate{width:100%;justify-content:center;background:white;color:var(--blue);border-color:var(--blue);margin-top:2px}.project-generate:hover{background:#edf3f8;color:var(--blue)}.project-status{min-height:0}
@media(max-width:540px){.project-section>label{display:block}.project-section select{margin-top:4px}.project-fields{grid-template-columns:1fr;gap:8px}.project-fields label{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:8px}.project-fields .input-unit{margin-top:0;flex:0 1 155px}}
@media(max-width:350px){.project-fields .input-unit{flex-basis:132px}.project-assumption{font-size:.78rem}}
@media(max-width:1100px){.site-header{padding:10px 18px}main{padding:0 18px}.workspace{grid-template-columns:minmax(345px,395px) minmax(0,1fr);gap:16px}.input-panel,.result-panel{padding-left:12px;padding-right:12px}.parts-heading,.part-row{grid-template-columns:minmax(78px,1fr) 52px 10px 52px 37px 27px;gap:3px}.fabric-fields{gap:14px}.fabric-fields>label{gap:6px}.work-title{flex-wrap:wrap;gap:4px 15px}.site-footer{margin:0 18px}.diagram-toolbar{flex-wrap:wrap}.diagram-toolbar>div{margin-left:auto}.piece-register p{grid-template-columns:37px minmax(60px,1fr) auto 28px;gap:6px;font-size:.8125rem}.comparison{padding:6px}.comparison-title{flex-wrap:wrap;gap:3px}.purchase strong{font-size:1.05rem}}
@media(max-width:860px){.workspace{grid-template-columns:1fr}.input-panel{padding:0 16px 12px}.result-panel{padding:0 16px 15px}.parts-heading,.part-row{grid-template-columns:minmax(100px,1fr) 72px 16px 72px 52px 34px;gap:6px}.fabric-fields{max-width:480px}.allowances-section{margin-bottom:13px}.three-fields{max-width:480px}.input-panel .panel-heading{margin-bottom:10px}.work-title p{margin-right:15px}.notes-layout{gap:20px}.cutting-diagram{min-height:0}.diagram-toolbar{flex-wrap:nowrap}.piece-register p{grid-template-columns:50px minmax(90px,1fr) auto 35px;font-size:.875rem}.button.primary{max-width:480px}.input-panel .field-help{margin:5px 0}.examples{margin-top:10px}.purchase strong{font-size:1.15rem}.comparison{padding:7px 12px}}
@media(max-width:540px){.site-header{padding:9px 12px;gap:10px;flex-wrap:wrap}.brand{font-size:1.2rem}.header-description{font-size:.75rem;padding-left:10px}.site-header nav{width:100%;gap:4px 12px;font-size:.8125rem;margin:0;flex-wrap:wrap}.site-header nav a{min-height:28px;align-content:center}main{padding:0 10px}.work-title{padding:11px 2px;gap:2px 10px}.work-title h1{font-size:1.1rem}.work-title p{font-size:.8125rem;width:100%;order:3}.jump-plan{font-size:.8125rem}.input-panel,.result-panel{padding-left:10px;padding-right:10px}.parts-heading,.part-row{grid-template-columns:minmax(54px,1fr) 40px 8px 40px 28px 22px;gap:2px}.part-row input{font-size:1rem;padding:6px 2px;min-height:44px}.part-name input{font-size:.875rem}.remove-part{min-height:44px}.fabric-fields{gap:12px}.fabric-fields>label{display:block}.input-unit{margin-top:3px}.three-fields{gap:12px}.three-fields label{font-size:.8125rem}.panel-heading h2{font-size:1rem}.diagram-toolbar{flex-wrap:wrap;gap:6px}.diagram-toolbar>div{margin-left:auto}.diagram-toolbar>span{font-size:.75rem}.diagram-toolbar button{min-height:40px}.diagram-board.enlarged .cutting-diagram{min-width:700px}.diagram-measure{font-size:.8125rem}.diagram-footer{gap:2px 10px}.grain-note{font-size:.8rem}.purchase strong{font-size:1.05rem}.purchase>p:first-child{font-size:.875rem}.purchase-detail{font-size:.8rem}.purchase-detail span{display:block;margin:2px 0 0}.comparison{padding:7px 8px}.comparison-grid{flex-wrap:wrap}.comparison{flex-basis:30%}.comparison strong{font-size:.875rem}.comparison>span:last-child{font-size:.75rem}.piece-register p{grid-template-columns:30px minmax(66px,1fr) auto 26px;gap:5px;font-size:.8125rem}.piece-register p>span:first-child{font-size:.75rem}.notes-layout{display:block}.reference-notes{margin-top:20px}.faq{margin-top:18px}.site-footer{margin:0 12px;gap:10px 18px}.site-footer nav{gap:8px 14px}.site-footer>small{margin-left:0;width:100%}.article{margin:12px 10px 20px;padding:18px}.article h1{font-size:1.35rem}.article h2{font-size:1.1rem}}
@media(max-width:350px){.parts-heading,.part-row{grid-template-columns:minmax(42px,1fr) 34px 6px 34px 24px 20px;gap:1px}.input-panel,.result-panel{padding-left:8px;padding-right:8px}.diagram-toolbar>div{margin-left:0}.purchase strong{display:inline-block}.piece-register p{grid-template-columns:25px minmax(65px,1fr) auto;gap:5px}.piece-register p>span:last-child{grid-column:2;text-align:left}.notes-layout{display:block}}
@media print{@page{size:A4;margin:12mm}body{background:white;color:black;font-size:10pt}.site-header{padding:0 0 6px;border-bottom:1px solid #333}.header-description,.site-header nav,.site-footer,.input-panel,.work-title,.reference-notes,.diagram-toolbar,.width-compare,.result-actions,.skip{display:none!important}main{padding:0;max-width:none}.workspace{display:block}.result-panel{padding:0;border:0}.panel-heading{padding:7px 0}.diagram-board{border:0;overflow:visible;break-inside:avoid}.cutting-diagram,.diagram-board.enlarged .cutting-diagram{min-width:0!important;width:100%;max-height:140mm}.diagram-note,.grain-note,.diagram-footer,.diagram-measure,.purchase-detail,.final-check,.print-condition{font-size:9pt}.purchase{margin-top:10px;padding:8px 0;break-inside:avoid}.purchase strong{font-size:13pt}.purchase>p:first-child{font-size:11pt}.piece-register{display:none}.print-condition{display:block;margin:8px 0}.table-scroll{overflow:visible}table{white-space:normal;font-size:9pt}tr{break-inside:avoid}thead{display:table-header-group}.cut-list summary{list-style:none}.article{margin:0;padding:0;border:0;max-width:none}.article .button{display:none}}
/* Footer links stay compact while keeping service and operator information separate. */
.footer-links{display:flex;flex-wrap:wrap;gap:8px 24px}
.site-status{font-size:.8125rem!important;color:var(--muted);margin:0 0 14px!important}
@media(max-width:540px){.site-footer .footer-links{width:100%;gap:8px 16px}}