.resources-shell{width:min(100% - 40px,1180px)}.resources-shell main{padding:20px 0 40px}.resources-shell .intro{margin-bottom:18px}.sheet-picker{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:20px}.sheet-picker-break{flex-basis:100%;height:0;margin:-5px 0}.sheet-tab{display:inline-flex;justify-self:center;align-items:center;gap:8px;min-height:38px;padding:0 16px 0 8px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink);font:700 13px/1 system-ui,sans-serif}.sheet-tab-icon{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;color:#fff;font:500 15px/1 Noto Sans JP,sans-serif;background:hsl(var(--tab-hue) 50% 40%)}.sheet-tab:hover{border-color:hsl(var(--tab-hue) 50% 50%)}.sheet-tab[aria-pressed=true]{border-color:hsl(var(--tab-hue) 50% 45%);background:hsl(var(--tab-hue) 50% 45% / 16%)}.resources-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}.sheet-stage{min-width:0;padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--soft);box-shadow:var(--shadow)}.sheet-paper{width:min(100%,794px);margin:0 auto;background:#fff;box-shadow:0 8px 28px #00000038;aspect-ratio:210 / 297}.sheet-paper svg{display:block;width:100%;height:auto}.download-panel{position:sticky;top:16px;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--card);box-shadow:var(--shadow)}.download-panel h2{margin:0 0 6px;font-size:18px;line-height:1.3}.download-summary{margin:0 0 14px;color:var(--muted);font-size:13px;line-height:1.5}.sheet-grayscale{display:flex;align-items:center;gap:8px;margin:0 0 14px;font-size:13px}.worksheet-controls{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:14px}.worksheet-controls[hidden],.download-button[hidden]{display:none}.worksheet-controls label{display:grid;gap:4px;font-size:12px;color:var(--muted)}.worksheet-controls .chip-option{display:inline-flex;color:var(--ink)}.worksheet-controls .chip-option input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.worksheet-choices{position:relative;min-width:0;margin:0;padding:0;border:0}.worksheet-choices legend{margin-bottom:4px;color:var(--muted);font-size:12px}.worksheet-choices:disabled{opacity:.5}.worksheet-controls .sheet-grayscale{position:absolute;right:0;top:-19px;display:flex;align-items:center;gap:6px;margin:0;color:var(--ink);font-size:12px}.worksheet-controls input[type=range]{width:100%}.worksheet-controls select{width:100%;min-width:0;min-height:36px}.worksheet-pages{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--ink);font-size:13px}.worksheet-pages[hidden]{display:none}.worksheet-pages button{min-width:36px;min-height:36px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--ink)}.worksheet-pages button:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}.worksheet-pages button:disabled{opacity:.4}.worksheet-print{display:none}.worksheet-notice{grid-column:1 / -1;margin:0;font-size:12px}.worksheet-notice:empty{display:none}.download-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}.download-button{display:grid;align-content:center;gap:2px;min-height:52px;padding:6px 10px;border:1px solid var(--line);border-radius:12px;background:var(--page);color:var(--ink)}body .download-button{text-align:left!important;justify-items:start!important;justify-content:start!important}.download-button strong{font-size:13px}.download-button small{color:var(--muted);font-size:11px;line-height:1.3}.download-button:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}.download-button:disabled{opacity:.6;cursor:progress}.download-button[data-format=print]{grid-column:1 / -1}.download-panel[data-worksheet] .download-button[data-format=png]{grid-column:auto}.download-status:empty{display:none}.download-status{margin:12px 0 0;color:var(--accent-strong);font-size:13px}@media(max-width:960px){.resources-layout{grid-template-columns:1fr}.download-panel{position:static;order:-1}}@media(max-width:520px){.resources-shell{width:min(100% - 24px,1180px)}.sheet-stage{padding:8px}.sheet-picker{gap:6px}.sheet-picker-break{display:none}.sheet-tab{padding-right:12px}}@media print{@page{size:A4;margin:0}body[data-printing] .study-header,body[data-printing] .intro,body[data-printing] .sheet-picker,body[data-printing] .download-panel{display:none!important}body[data-printing],body[data-printing] .resources-shell,body[data-printing] main{margin:0;padding:0;width:auto;background:#fff}body[data-printing] .resources-layout{display:block}body[data-printing] .sheet-stage{padding:0;border:0;box-shadow:none;background:#fff}body[data-printing] .sheet-paper{width:210mm;height:297mm;box-shadow:none}body[data-worksheet-printing] .resources-shell{display:none!important}body[data-worksheet-printing] .worksheet-print{display:block}body[data-worksheet-printing] .worksheet-print svg{display:block;width:100%;height:auto;break-after:page}body[data-worksheet-printing] .worksheet-print svg:last-child{break-after:auto}}.chips-field{display:block;min-width:0}.chips-field>.chips-title{display:block;margin:0 0 6px;font-size:12.5px;font-weight:650;line-height:1.4;color:var(--muted);letter-spacing:.01em}.chips{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-width:0;margin:0;padding:0;border:0}.chips-vertical{flex-direction:column;flex-wrap:nowrap;align-items:stretch}.chips-vertical .chip-option{width:100%}.chips.is-disabled{opacity:.55}.chips .chip-option{position:relative;display:inline-flex;align-items:center;gap:8px;max-width:100%;min-width:0;min-height:34px;margin:0;padding:4px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font:inherit;font-size:13px;font-weight:600;line-height:1.3;cursor:pointer;box-sizing:border-box;transition:background .15s,border-color .15s,box-shadow .15s,transform .15s}.chips .chip-option:hover:not(.is-disabled){border-color:var(--accent);transform:translateY(-1px)}.chips .chip-option:focus-within,.chips button.chip-option:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 40%,transparent);outline-offset:1px}.chips .chip-option.is-active{border-color:var(--accent);color:var(--accent-strong);background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 16%,var(--card)),var(--accent-soft));box-shadow:0 1px color-mix(in srgb,var(--accent) 30%,transparent),0 3px 10px -6px var(--accent)}.chips .chip-option.is-disabled{opacity:.5;cursor:not-allowed}.chips .chip-option input{flex:0 0 auto;width:16px;height:16px;margin:0;accent-color:var(--accent)}.chips .chip-body{display:inline-flex;align-items:center;gap:8px;min-width:0}.chips .chip-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chips .chip-label small{margin-left:6px;font-size:11px;font-weight:400;color:var(--muted)}.chips .chip-exclusive{border-style:dashed}.chips .chip-exclusive.is-active{border-style:solid}.chips-card .chip-option{flex-direction:column;align-items:stretch;gap:6px;padding:8px 10px;min-width:96px}.chips-card .chip-option input{position:absolute;top:8px;left:8px}.chips-card .chip-body{flex-direction:column;align-items:stretch;gap:6px}.chips-card .chip-preview{display:grid;place-items:center;min-height:44px;border-radius:8px;overflow:hidden}.chips-card .chip-label{text-align:center;font-size:12px}.chips.font-picker{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.chips.font-picker .chip-option{padding:6px 12px}.chips.font-picker .chip-body{display:grid;grid-template-columns:minmax(0,1fr);gap:0;min-width:0}.chips.font-picker .chip-preview{display:block;min-height:0;font-size:20px;line-height:1.3;letter-spacing:.06em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chips.font-picker .chip-label{font-size:12px;font-weight:650}.chip-actions{display:inline-flex;flex:0 0 auto;flex-wrap:nowrap;gap:8px;align-items:center}.chips[data-actions=below]+.chip-actions{display:flex;margin-top:8px}.chip-actions .chip-action{min-height:34px;padding:4px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font:inherit;font-size:12px;font-weight:650;cursor:pointer}.chip-actions .chip-action:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong)}.chip-actions .chip-action:disabled{opacity:.5;cursor:not-allowed}@media(prefers-reduced-motion:reduce){.chips .chip-option{transition:none}.chips .chip-option:hover:not(.is-disabled){transform:none}}