.np-layout{display:flex;gap:28px;max-width:1080px;margin:24px auto 40px;padding:0 4px;align-items:flex-start}.np-form{width:340px;flex-shrink:0;text-align:left}.np-form .fs-title{font-size:15px;font-weight:700;color:#333;margin:20px 0 8px;padding-bottom:5px;border-bottom:2px solid var(--accent, #2a9d8f)}.np-form .fs-title:first-child{margin-top:0}.np-form .radio-line,.np-form .check-line{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin-top:6px}.np-form .radio-line label,.np-form .check-line label{display:flex;align-items:center;gap:5px;margin:0;font-size:14px;color:#333;cursor:pointer}.np-form .field-hint{font-size:11.5px;color:#888;margin:6px 0 0;line-height:1.6}.np-seed-line{display:flex;gap:8px;align-items:center;margin-top:6px}.np-seed-line input{width:100px;padding:7px 10px;font-size:14px;border:1px solid #ccc;border-radius:6px;color:#333;background:#fff}.np-newseed-btn{padding:8px 14px;font-size:13px;font-weight:600;border:1px solid var(--accent);border-radius:6px;background:#fff;color:var(--accent);cursor:pointer}.np-newseed-btn:hover{background:var(--accent);color:#fff}.np-info{font-size:12.5px;font-weight:600;color:var(--accent, #2a9d8f);margin:16px 0 0}.np-preview{flex:1;min-width:0;position:sticky;top:16px;align-self:flex-start;text-align:center}.np-print-btn{width:100%;background:var(--accent);color:#fff;border:none;border-radius:8px;padding:14px;font-size:16px;font-weight:600;cursor:pointer;transition:opacity .2s ease}.np-print-btn:hover{opacity:.85}.np-print-note{font-size:12px;color:#888;margin:8px 0 12px;line-height:1.5}.np-preview-caption{font-size:12px;color:#888;margin-top:8px}.np-sheet-box{overflow:hidden;border-radius:4px}.np-sheet-box+.np-sheet-box{margin-top:16px}.np-sheet{width:210mm;height:297mm;background:#fff;box-sizing:border-box;position:relative;padding:12mm 12mm 10mm;display:flex;flex-direction:column;transform-origin:top left;overflow:hidden;box-shadow:0 2px 14px #0000002e;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,YuGothic,Meiryo,sans-serif;text-align:left}.np-sheet *{font-size:inherit;color:inherit;font-family:inherit;box-sizing:border-box;margin:0;padding:0}.np-sheet-head{display:flex;align-items:flex-end;gap:7mm;padding-bottom:3mm;border-bottom:.5mm solid #1a1a1a;flex-shrink:0}.np-head-title{flex-shrink:0}.np-title{font-size:16pt;font-weight:700;color:#1a1a1a;letter-spacing:.06em}.np-sub{font-size:10pt;color:#333;margin-top:1mm}.np-head-meta{flex:1;display:flex;align-items:flex-end;gap:5mm;min-width:0}.np-field{flex:1;display:flex;align-items:flex-end;gap:2mm;min-width:0}.np-field-label{font-size:10pt;color:#333;white-space:nowrap;padding-bottom:.5mm}.np-field-line{flex:1;height:8mm;border-bottom:.3mm solid #1a1a1a}.np-field-line-date{max-width:34mm}.np-puzzles{flex:1;display:grid;justify-items:center;align-content:space-around;min-height:0;margin-top:4mm}.np-puzzles[data-per="1"]{grid-template-columns:1fr}.np-puzzles[data-per="2"]{grid-template-columns:1fr;gap:6mm}.np-puzzles[data-per="4"]{grid-template-columns:1fr 1fr;gap:6mm 8mm}.np-puzzle{display:flex;flex-direction:column;align-items:center;gap:2.5mm}.np-puzzle-head{display:flex;align-items:baseline;gap:3mm;width:100%;justify-content:center}.np-num{font-size:12pt;font-weight:700;color:#1a1a1a}.np-puzzle-diff{font-size:9.5pt;color:#555}.np-board{display:grid;grid-template-columns:repeat(9,1fr);grid-template-rows:repeat(9,1fr);border-top:.7mm solid #111;border-left:.7mm solid #111;box-sizing:border-box;margin:0 auto}.np-cell{border-right:.25mm solid #555;border-bottom:.25mm solid #555;display:flex;align-items:center;justify-content:center;font-weight:700;color:#111;line-height:1;box-sizing:border-box}.np-cell.np-thick-r{border-right:.7mm solid #111}.np-cell.np-thick-b{border-bottom:.7mm solid #111}.np-cell.np-filled{color:#c0392b;font-weight:600}.np-sheet[data-per="1"] .np-board{width:168mm;height:168mm}.np-sheet[data-per="1"] .np-cell{font-size:26pt}.np-sheet[data-per="2"] .np-board{width:108mm;height:108mm}.np-sheet[data-per="2"] .np-cell{font-size:17pt}.np-sheet[data-per="4"] .np-board{width:86mm;height:86mm}.np-sheet[data-per="4"] .np-cell{font-size:13pt}.np-answer-grid{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:5mm 8mm;align-content:start;margin-top:4mm}.np-answer-item{display:flex;flex-direction:column;align-items:center;gap:1.5mm}.np-answer-num{font-size:10pt;font-weight:700;color:#1a1a1a}.np-answer-item .np-board{width:56mm;height:56mm}.np-answer-item .np-cell{font-size:8.5pt;font-weight:600}.np-answer-item .np-cell.np-thick-r{border-right:.5mm solid #111}.np-answer-item .np-cell.np-thick-b{border-bottom:.5mm solid #111}.np-answer-item .np-board{border-width:.5mm}.np-footer-note{text-align:center;font-size:7pt;color:#999;margin-top:2mm;flex-shrink:0}.np-play-section{max-width:520px;margin:8px auto 40px;padding:20px;background:#fafafa;border:1px solid #eee;border-radius:12px;text-align:center}.np-play-section h2{font-size:1.1rem;color:#1e293b;margin:0 0 4px}.np-play-lead{font-size:12.5px;color:#888;margin:0 0 14px}.np-play-board{display:grid;grid-template-columns:repeat(9,1fr);width:min(88vw,396px);aspect-ratio:1 / 1;margin:0 auto;border-top:2px solid #111;border-left:2px solid #111;box-sizing:border-box;touch-action:manipulation}.np-play-cell{border-right:1px solid #bbb;border-bottom:1px solid #bbb;display:flex;align-items:center;justify-content:center;font-size:clamp(16px,5vw,24px);font-weight:700;color:#111;background:#fff;box-sizing:border-box;cursor:default;user-select:none}.np-play-cell.np-thick-r{border-right:2px solid #111}.np-play-cell.np-thick-b{border-bottom:2px solid #111}.np-play-cell.np-editable{cursor:pointer;background:#fff}.np-play-cell.np-play-given{color:#111}.np-play-cell.np-play-user{color:#2563eb;font-weight:600}.np-play-cell.np-play-bad{background:#fde8e8;color:#c0392b}.np-play-cell.np-play-sel{background:#d7ecff;box-shadow:inset 0 0 0 2px #2563eb}.np-pad{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;max-width:360px;margin:14px auto 0}.np-pad-btn{padding:10px 0;font-size:17px;font-weight:700;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#1e293b;cursor:pointer}.np-pad-btn:hover{background:#eef2f7}.np-pad-btn.np-pad-erase{grid-column:span 5;color:#64748b;font-size:14px}.np-play-actions{display:flex;gap:10px;justify-content:center;margin-top:12px}.np-play-actions button{padding:8px 16px;font-size:13.5px;font-weight:600;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#334155;cursor:pointer}.np-play-actions button:hover{background:#eef2f7}.np-play-msg{min-height:20px;margin-top:12px;font-size:14px;font-weight:600;color:#64748b}.np-play-msg.np-play-done{color:#16a34a;font-size:16px}@media (max-width: 940px){.np-layout{flex-direction:column}.np-form{width:100%}.np-preview{position:static;width:100%}}@media print{@page{size:A4;margin:0}html,body{margin:0!important;padding:0!important;background:#fff!important;height:auto!important}body>*:not(.container){display:none!important}.container{margin:0!important;padding:0!important;max-width:none!important;width:auto!important}.container>*:not(.np-layout){display:none!important}.np-layout{display:block!important;margin:0!important;padding:0!important;max-width:none!important}.np-layout>*:not(.np-preview){display:none!important}.np-preview{position:static!important;margin:0!important;padding:0!important;width:auto!important}.np-preview>*:not(.np-sheet-wrap){display:none!important}.np-sheet-box{height:auto!important;margin:0!important;overflow:visible!important;border-radius:0!important;break-after:page;page-break-after:always}.np-sheet-box:last-child{break-after:auto;page-break-after:auto}.np-sheet{transform:none!important;box-shadow:none!important;margin:0!important;width:210mm!important;height:296mm!important;overflow:hidden!important}}