:root{color-scheme:light;--fol-paper:#f4efe4;--fol-sheet:#fbf8f1;--fol-ink:#1e1a15;--fol-ink-2:#5a5045;--fol-ink-3:#857a6b;--fol-rule:#cfc4ae;--fol-rule-2:#e3dac8;--fol-stamp:#a8321f;--fol-stamp-wash:#f3ddd3;--fol-pencil:#36598a;--fol-pencil-wash:#dfe6ee;--fol-shadow:#2a1d0f66;--fol-paper-deep:var(--fol-rule-2);--fol-ink-soft:var(--fol-ink-2);--fol-mark:var(--fol-ink);--fol-face-text:"Literata", Georgia, "Times New Roman", serif;--fol-face-title:"Fraunces", "Literata", Georgia, serif;--fol-face-form:"Courier Prime", "Courier New", monospace;--fol-face-kana:"Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;--fol-gutter:16px;--fol-measure:40rem;--fol-wide:1280px;--fol-cell-h:58px;--fol-panel-h:112px}:root:lang(ru),:root:lang(el){--fol-face-title:"Literata", Georgia, serif}:root[data-fol-lamp=night]{color-scheme:dark;--fol-paper:#1c1915;--fol-sheet:#25211b;--fol-ink:#f0d6a6;--fol-ink-2:#c9ae86;--fol-ink-3:#9a8566;--fol-rule:#4d4336;--fol-rule-2:#352f27;--fol-stamp:#f08a6c;--fol-stamp-wash:#43261d;--fol-pencil:#9dbbe0;--fol-pencil-wash:#26303b;--fol-shadow:#0009}@font-face{font-family:Literata;src:url(/_astro/literata-latin.DLxlUchJ.woff2)format("woff2");font-weight:200 900;font-display:swap;unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Literata;src:url(/_astro/literata-latin-ext.BnEbWgdZ.woff2)format("woff2");font-weight:200 900;font-display:swap;unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Fraunces;src:url(/_astro/fraunces-latin.ukD16Tqj.woff2)format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Fraunces;src:url(/_astro/fraunces-latin-ext.Ca2vKHc0.woff2)format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Courier Prime;src:url(/_astro/courier-prime-latin-400.BbyBr73r.woff2)format("woff2");font-weight:400;font-display:swap;unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Courier Prime;src:url(/_astro/courier-prime-latin-ext-400.B-EsvyE4.woff2)format("woff2");font-weight:400;font-display:swap;unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Courier Prime;src:url(/_astro/courier-prime-latin-700.D1YCjmaD.woff2)format("woff2");font-weight:700;font-display:swap;unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Courier Prime;src:url(/_astro/courier-prime-latin-ext-700.ByMJlNdM.woff2)format("woff2");font-weight:700;font-display:swap;unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Literata;src:url(/_astro/literata-cyrillic.DLqwHbi6.woff2)format("woff2");font-weight:200 900;font-display:swap;unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Literata;src:url(/_astro/literata-greek.CO1l-giJ.woff2)format("woff2");font-weight:200 900;font-display:swap;unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}*,:before,:after{box-sizing:border-box}html{background:var(--fol-paper);color:var(--fol-ink);font-family:var(--fol-face-text);-webkit-text-size-adjust:100%;text-size-adjust:100%;font-size:100%;line-height:1.55}body{background:var(--fol-paper);font-optical-sizing:auto;min-block-size:100vh;margin:0}a{color:var(--fol-pencil);text-underline-offset:3px;text-decoration-thickness:1px}code{font-family:var(--fol-face-form)}:focus-visible{outline:2px solid var(--fol-stamp);outline-offset:2px}.fol-hidden{clip-path:inset(50%);white-space:nowrap;block-size:1px;inline-size:1px;position:absolute;overflow:hidden}.fol-skip{background:var(--fol-paper);z-index:10;padding:.5rem .75rem;position:absolute;inset-block-start:-4rem;inset-inline-start:var(--fol-gutter)}.fol-skip:focus{inset-block-start:.5rem}.fol-frame{max-inline-size:calc(var(--fol-measure) + 2 * var(--fol-gutter));padding-inline:var(--fol-gutter);margin-inline:auto}.fol-frame-wide{max-inline-size:var(--fol-wide)}.fol-icon{fill:none;stroke:currentColor;stroke-width:1.25px;stroke-linecap:round;stroke-linejoin:round;flex:none;block-size:20px;inline-size:20px}.fol-masthead{border-block-end:1px solid var(--fol-ink);justify-content:space-between;align-items:center;gap:1rem;block-size:48px;display:flex}.fol-wordmark{font:600 20px/1 var(--fol-face-title);letter-spacing:-.01em;color:var(--fol-ink);text-decoration:none}.fol-masthead-tools{align-items:center;gap:4px;display:flex}.fol-masthead-link{min-block-size:44px;color:var(--fol-ink);align-items:center;gap:6px;padding-inline:6px;font-size:15px;font-weight:500;text-decoration:none;display:inline-flex}.fol-iconbtn{block-size:44px;inline-size:44px;color:var(--fol-ink);cursor:pointer;background:0 0;border:0;border-radius:2px;place-items:center;display:inline-grid}.fol-iconbtn .fol-icon{block-size:22px;inline-size:22px}.fol-iconbtn[hidden]{visibility:hidden;display:inline-grid}.fol-iconbtn[aria-pressed=true]{color:var(--fol-stamp)}.fol-sheet{padding-block:0 2rem}.fol-crumbs ol{color:var(--fol-ink-2);flex-wrap:wrap;gap:.35rem;margin:0;padding:.5rem 0 0;font-size:.875rem;list-style:none;display:flex}.fol-crumbs li+li:before{content:"›";margin-inline-end:.35rem}.fol-rhead{font:11px/1.4 var(--fol-face-form);letter-spacing:.16em;text-transform:uppercase;color:var(--fol-ink-2);justify-content:space-between;gap:1rem;margin:0;padding-block-start:7px;display:flex}.fol-rhead a{color:inherit}.fol-h1{font:600 30px/1.08 var(--fol-face-title);letter-spacing:-.015em;margin:8px 0 4px}.fol-h2{font:600 22px/1.2 var(--fol-face-title);border-block-end:1px solid var(--fol-rule);flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin:0 0 12px;padding-block-end:6px;display:flex}.fol-h2 small{font:12px var(--fol-face-form);color:var(--fol-ink-2);margin-inline-start:auto}.fol-num{font:13px var(--fol-face-form);letter-spacing:.06em;color:var(--fol-stamp)}.fol-note{color:var(--fol-ink-2);margin:8px 0 0;font-size:14px}.fol-stub{border-inline-start:3px solid var(--fol-stamp);color:var(--fol-ink-2);margin:1.5rem 0 1rem;padding-inline-start:.75rem;font-size:.95rem}.fol-seg{border:0;align-items:center;min-inline-size:0;margin:0;padding:0;display:inline-flex}.fol-seg-input{opacity:0;block-size:1px;inline-size:1px;margin:0;position:absolute}.fol-seg-label{cursor:pointer;user-select:none;align-items:center;min-block-size:40px;padding-inline:11px;font-size:15px;font-weight:500;display:inline-flex}.fol-seg-boxed{border:1.5px solid var(--fol-ink);border-radius:2px}.fol-seg-boxed .fol-seg-label+.fol-seg-input+.fol-seg-label{border-inline-start:1.5px solid var(--fol-ink)}.fol-seg-boxed .fol-seg-input:checked+.fol-seg-label{background:var(--fol-ink);color:var(--fol-paper)}.fol-seg-text{color:var(--fol-ink-2);gap:0}.fol-seg-text .fol-seg-label{color:var(--fol-ink-2);padding-inline:5px;font-weight:400}.fol-seg-text .fol-seg-input:checked+.fol-seg-label{color:var(--fol-ink);text-decoration:underline 2px var(--fol-stamp);text-underline-offset:5px;font-weight:600}.fol-seg-text .fol-icon{block-size:18px;inline-size:18px}.fol-seg-input:focus-visible+.fol-seg-label{outline:2px solid var(--fol-pencil);outline-offset:-3px}.fol-btn{border:1.5px solid var(--fol-ink);background:var(--fol-ink);min-block-size:44px;color:var(--fol-paper);font:600 16px var(--fol-face-text);cursor:pointer;border-radius:2px;align-items:center;gap:10px;padding:0 18px;text-decoration:none;display:inline-flex}.fol-btn .fol-icon{block-size:18px;inline-size:18px}.fol-btn:disabled{color:var(--fol-ink-2);border-color:var(--fol-rule);cursor:not-allowed;background:0 0}.fol-button{font:inherit;color:var(--fol-ink);border:1px solid var(--fol-ink-2);cursor:pointer;background:0 0;border-radius:2px;min-block-size:44px;padding-inline:.85rem}.fol-colophon{border-block-start:3px double var(--fol-rule);color:var(--fol-ink-2);margin-block-start:36px;padding-block:22px 8px;font-size:13.5px}.fol-colophon p{max-inline-size:66ch;margin:0 0 8px}.fol-colophon-title,.fol-colophon-sub{font:600 11px var(--fol-face-form);letter-spacing:.18em;text-transform:uppercase;color:var(--fol-ink);margin:0 0 8px}.fol-sources{margin:0 0 12px;padding-inline-start:18px;font-size:12.5px}.fol-sources li{margin-block-end:6px}.fol-sources a{margin-inline-end:4px;padding-block:2px;display:inline-block}.fol-folio{border-block-start:1px solid var(--fol-ink);padding-block:1.25rem 2rem;font-size:.95rem}.fol-contents-title{font:600 11px var(--fol-face-form);letter-spacing:.18em;text-transform:uppercase;margin:0 0 6px}.fol-contents ul{grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:0 1.5rem;margin:0;padding:0;list-style:none;display:grid}.fol-contents li a{border-block-end:1px solid var(--fol-rule-2);color:var(--fol-ink);padding-block:10px;text-decoration:none;display:block}.fol-index{flex-wrap:wrap;gap:.25rem;margin-block-start:.75rem;display:flex}.fol-index a{justify-content:center;align-items:center;min-block-size:44px;min-inline-size:44px;font-size:1.1rem;display:inline-flex}.fol-update{align-items:center;gap:1rem;margin-block-start:1rem;display:flex}.fol-update[hidden]{display:none}@media (width<=999.98px){.fol-desk{display:none!important}}@media (width>=1000px){.fol-frame-wide{padding-inline:48px}.fol-masthead{block-size:60px}.fol-wordmark{font-size:24px}.fol-rhead{padding-block-start:14px}.fol-h1{letter-spacing:-.02em;margin:30px 0 14px;font-size:50px}.fol-h2{font-size:26px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.fol-bar{block-size:auto;inline-size:100%;display:block;overflow:visible}.fol-bar .fol-m,.fol-ribbon .fol-m{fill:var(--fol-ink)}.fol-bar [data-fol-diff]{fill:var(--fol-pencil)}.fol-bar [data-fol-state=done],.fol-bar [data-fol-state=now],.fol-ribbon [data-fol-state=done],.fol-ribbon [data-fol-state=now]{fill:var(--fol-stamp)}.fol-ribbon{block-size:auto;inline-size:100%;display:block;overflow:visible}.fol-ribbon .fol-ticks line{stroke:var(--fol-ink-3);stroke-width:.06px}.fol-ribbon text{font:italic .72px var(--fol-face-text);fill:var(--fol-ink-2);text-anchor:middle}.fol-ribbon .fol-gap{font:.55px var(--fol-face-form);font-style:normal}.fol-lede{color:var(--fol-ink-2);margin:0 0 10px;font-size:15px;line-height:1.4}.fol-more{display:none}.fol-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 4px;margin-block-end:10px;display:flex}.fol-plate{border-block-start:2px solid var(--fol-ink);border-block-end:1px solid var(--fol-ink);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.fol-cell{appearance:none;border:0;border-block-end:1px solid var(--fol-rule-2);color:inherit;font:inherit;text-align:start;block-size:var(--fol-cell-h);cursor:pointer;background:0 0;border-radius:0;flex-direction:column;justify-content:space-between;margin:0;padding:6px 10px 10px 8px;display:flex;position:relative}.fol-cell:not(:nth-child(4n+1)){border-inline-start:1px solid var(--fol-rule-2)}.fol-glyph{font:500 28px/1 var(--fol-face-text)}.fol-cell:focus-visible{outline:2px solid var(--fol-pencil);outline-offset:-2px}@media (hover:hover){.fol-cell:hover{background:var(--fol-stamp-wash)}}.fol-cell[data-fol-on]{background:var(--fol-stamp-wash)}.fol-cell[data-fol-on] .fol-glyph{color:var(--fol-stamp)}.fol-cell[data-fol-on]:after{content:"";background:var(--fol-stamp);inline-size:3px;position:absolute;inset-block:0;inset-inline-start:0}.fol-legend{border-inline-start:1px solid var(--fol-rule-2);border-block-end:1px solid var(--fol-rule-2);font:12px/1.35 var(--fol-face-form);color:var(--fol-ink-2);flex-wrap:wrap;grid-column:span 2;align-content:center;align-items:center;gap:2px 12px;padding:6px 8px;display:flex}.fol-legend span{align-items:center;gap:6px;display:inline-flex}.fol-legend .fol-bar{inline-size:22px}.fol-legend em{flex-basis:100%;font-size:10.5px;font-style:normal}.fol-set-american .fol-legend em{font-size:11px}.fol-set-american,.fol-pace-american,.fol-t-slow{display:none}body:has(#fol-script-american:checked) .fol-set-american{display:grid}body:has(#fol-script-american:checked) .fol-set-itu,body:has(#fol-script-american:checked) .fol-pace-itu{display:none}body:has(#fol-script-american:checked) .fol-pace-american,body:has(#fol-speed-slow:checked) .fol-t-slow{display:inline}body:has(#fol-speed-slow:checked) .fol-t-normal{display:none}.fol-panel{z-index:5;padding:8px 8px calc(10px + env(safe-area-inset-bottom)) 16px;background:var(--fol-sheet);border-block-start:2px solid var(--fol-ink);box-shadow:0 -10px 24px -14px var(--fol-shadow);grid-template-columns:48px minmax(0,1fr) auto;align-items:center;gap:0 12px;display:grid;position:fixed;inset-block-end:0;inset-inline:0}body:has(.fol-panel){padding-block-end:var(--fol-panel-h)}.fol-panel-kicker{display:none}.fol-panel-glyph{font:500 52px/1 var(--fol-face-text);color:var(--fol-stamp)}.fol-panel-code{align-items:baseline;gap:12px;margin:0;display:flex}.fol-panel-code code{letter-spacing:.08em;font-size:18px;font-weight:700}.fol-panel-code span{color:var(--fol-ink-2);font-size:15px;font-style:italic}.fol-panel-ribbon{max-inline-size:210px;margin-block:2px 0}.fol-panel-facts{color:var(--fol-ink-2);margin:0;font-size:12.5px}.fol-panel-facts span+span:before{content:" · "}.fol-panel-about{white-space:nowrap;align-self:end;align-items:center;gap:6px;min-block-size:44px;padding-inline-end:8px;font-size:15px;font-weight:600;display:inline-flex}.fol-panel-about .fol-icon{block-size:16px;inline-size:16px}.fol-section{padding-block:28px 8px}.fol-plate-digits .fol-cell:nth-child(4n+1){border-inline-start:0}.fol-onward{color:var(--fol-pencil);align-items:center;gap:6px;margin:12px 0 0;font-size:15px;display:flex}.fol-onward .fol-icon{block-size:16px;inline-size:16px}.fol-answer{margin:0 0 14px;font-size:17px}.fol-card{background:var(--fol-sheet);border:1px solid var(--fol-rule);border-block-start:2px solid var(--fol-ink);grid-template-columns:auto minmax(0,1fr);align-items:center;gap:6px 18px;margin:0;padding:14px 16px 16px;display:grid}.fol-card-glyph{font:500 92px/.9 var(--fol-face-text)}.fol-card-code code{letter-spacing:.1em;font-size:22px;font-weight:700;display:block}.fol-card-code span{color:var(--fol-ink-2);font-size:17px;font-style:italic}.fol-card-ribbon{grid-column:1/-1;margin-block-start:6px}.fol-card-tools{flex-wrap:wrap;grid-column:1/-1;align-items:center;gap:10px;margin-block-start:8px;display:flex}.fol-facts{border-block-start:1px solid var(--fol-ink);grid-template-columns:104px minmax(0,1fr);margin:18px 0 0;display:grid}.fol-facts dt,.fol-facts dd{border-block-end:1px solid var(--fol-rule-2);margin:0;padding-block:8px}.fol-facts dt{font:12px/1.9 var(--fol-face-form);letter-spacing:.06em;text-transform:uppercase;color:var(--fol-ink-2)}.fol-facts dd{font-size:15.5px}.fol-facts code{letter-spacing:.06em;font-weight:700}.fol-facts b{color:var(--fol-stamp)}sup a{font:11px var(--fol-face-form);padding-inline:2px;text-decoration:none}.fol-kin{margin:0;padding:0;list-style:none}.fol-kin li{border-block-end:1px solid var(--fol-rule-2);grid-template-columns:36px minmax(0,150px) minmax(0,1fr);align-items:center;gap:4px 14px;padding-block:10px;display:grid}.fol-kin-glyph{font:500 26px/1 var(--fol-face-text);color:var(--fol-ink);align-items:center;min-block-size:44px;text-decoration:none;display:inline-flex}a.fol-kin-glyph{color:var(--fol-pencil)}.fol-kin-text{font-size:14.5px;line-height:1.4}.fol-kin-text i{font:11px var(--fol-face-form);letter-spacing:.08em;text-transform:uppercase;color:var(--fol-pencil);display:block}.fol-kin-self{background:var(--fol-stamp-wash)}.fol-kin-self .fol-kin-glyph{color:var(--fol-stamp);padding-inline-start:6px}.fol-kin-self .fol-kin-text i{color:var(--fol-stamp)}.fol-pager{border-block-start:1px solid var(--fol-ink);justify-content:space-between;gap:10px;margin-block-start:22px;padding-block-start:10px;display:flex}.fol-pager a{min-inline-size:120px;color:var(--fol-ink);flex-direction:column;text-decoration:none;display:flex}.fol-pager a:last-child{align-items:flex-end}.fol-pager small{font:11px var(--fol-face-form);letter-spacing:.12em;text-transform:uppercase;color:var(--fol-ink-2);align-items:center;gap:4px;display:inline-flex}.fol-pager .fol-icon{block-size:14px;inline-size:14px}.fol-pager span{font:500 26px var(--fol-face-text)}@media (width>=1000px){.fol-spread{grid-template-columns:1fr 1fr;min-block-size:840px;display:grid;position:relative}.fol-spread:before{content:"";background:linear-gradient(var(--fol-rule), var(--fol-rule) 92%, transparent);inline-size:1px;position:absolute;inset-block:0;inset-inline-start:50%}.fol-page-l{flex-direction:column;padding-inline-end:56px;display:flex}.fol-page-r{padding-inline-start:56px}.fol-lede{color:var(--fol-ink);max-inline-size:40ch;font-size:20px;line-height:1.45}.fol-more{color:var(--fol-ink-2);max-inline-size:44ch;margin:0 0 22px;font-size:15.5px;display:block}.fol-controls{justify-content:flex-start;gap:20px;margin:6px 0 24px}.fol-toc ul{max-inline-size:440px;margin:4px 0 0;padding:0;font-size:15px;list-style:none}.fol-toc li{align-items:baseline;gap:8px;padding-block:3px;display:flex}.fol-toc li:after{content:"";border-block-end:1px dotted var(--fol-ink-3);flex:1;order:2}.fol-toc a{color:var(--fol-ink);order:1;text-decoration:none}.fol-toc span{font:12px var(--fol-face-form);color:var(--fol-stamp);order:3}.fol-panel{z-index:auto;border:1px solid var(--fol-rule);border-block-start:2px solid var(--fol-ink);box-shadow:none;grid-template-columns:84px minmax(0,1fr) auto;margin-block:auto 22px;padding:16px 12px 16px 18px;position:relative;inset:auto}body:has(.fol-panel){padding-block-end:0}.fol-panel-kicker{font:11px var(--fol-face-form);letter-spacing:.16em;text-transform:uppercase;color:var(--fol-ink-2);margin:0;display:block;position:absolute;inset-block-start:-24px;inset-inline-start:0}.fol-panel-glyph{font-size:80px}.fol-panel-ribbon{max-inline-size:300px}.fol-plate-letters{margin-block-start:22px}.fol-cell{--fol-cell-h:82px;padding:10px 18px 16px 14px}.fol-cell .fol-bar{max-inline-size:150px}.fol-glyph{font-size:34px}.fol-folio-no{font:12px var(--fol-face-form);color:var(--fol-ink-2);margin:10px 0 0}.fol-page-r .fol-folio-no{text-align:end}.fol-below{max-inline-size:780px;margin-inline-start:180px}.fol-below .fol-h2{display:block;position:relative}.fol-below .fol-num{text-align:end;inline-size:140px;font-size:14px;position:absolute;inset-block-start:10px;inset-inline-start:-180px}.fol-below .fol-h2 small{margin:2px 0 0;display:block}.fol-plate-digits{grid-template-columns:repeat(5,minmax(0,1fr))}.fol-plate-digits .fol-cell:nth-child(4n+1){border-inline-start:1px solid var(--fol-rule-2)}.fol-plate-digits .fol-cell:nth-child(5n+1){border-inline-start:0}.fol-spread-sign{min-block-size:0}.fol-spread-sign .fol-page-l,.fol-spread-sign .fol-page-r{padding-block-end:40px}.fol-spread-sign .fol-page-r .fol-section:first-child{padding-block-start:40px}.fol-answer{font-size:20px}.fol-card{padding:20px 24px 22px}.fol-card-glyph{font-size:150px}.fol-card-code code{font-size:30px}.fol-card-code span{font-size:21px}}.fol-bar [data-fol-state=now],.fol-ribbon .fol-m[data-fol-state=now]{stroke:var(--fol-stamp);stroke-width:.2px}.fol-plate[hidden],.fol-panel [hidden]{display:none}.fol-cell-code{color:var(--fol-ink-2);letter-spacing:.08em;font-size:12px;line-height:1}.fol-plate .fol-cell:has(.fol-cell-code){--fol-cell-h:84px}.fol-plate-marks .fol-cell:nth-child(4n+1){border-inline-start:0}.fol-cell[data-fol-std] .fol-glyph:after{content:"†";font:13px var(--fol-face-form);color:var(--fol-stamp);vertical-align:super;margin-inline-start:2px}.fol-dagger{font:13px var(--fol-face-form);color:var(--fol-stamp)}.fol-cell[data-fol-std=old] .fol-glyph:after{content:none}.fol-cell[data-fol-std=old] .fol-glyph{color:var(--fol-ink-2)}.fol-cell[data-fol-hit]{background:var(--fol-stamp-wash)}.fol-cell[data-fol-hit]:before{content:attr(data-fol-hit);background:var(--fol-stamp);block-size:20px;min-inline-size:20px;color:var(--fol-sheet);font:700 12px/20px var(--fol-face-form);text-align:center;border-radius:10px;padding-inline:5px;position:absolute;inset-block-start:4px;inset-inline-end:4px}.fol-find{background:var(--fol-sheet);border:1px solid var(--fol-rule);max-inline-size:560px;padding:16px}.fol-find-label{color:var(--fol-ink-2);margin-block-end:8px;font-size:14px;display:block}.fol-find-row{border-block-end:2px solid var(--fol-ink);align-items:center;gap:10px;padding-block:6px;display:flex}.fol-find-row .fol-icon{flex:none;block-size:20px;inline-size:20px}.fol-find-row input{min-block-size:40px;min-inline-size:0;color:var(--fol-ink);font:500 22px var(--fol-face-text);letter-spacing:.12em;background:0 0;border:0;flex:1}.fol-find-row input:focus-visible{outline:2px solid var(--fol-pencil);outline-offset:2px}.fol-find-count{font:13px var(--fol-face-form);color:var(--fol-ink-2);white-space:nowrap}.fol-p{max-inline-size:62ch;margin:0 0 14px}.fol-tree-wrap{border-block:1px solid var(--fol-rule);padding-block:10px}.fol-tree{block-size:auto;inline-size:100%;display:block}.fol-tree-v{max-inline-size:360px}.fol-tree-h{display:none}@media (width>=700px){.fol-tree-h{display:block}.fol-tree-v{display:none}}.fol-tr-edge{stroke:var(--fol-rule);stroke-width:1.25px}.fol-tr-dah{stroke-dasharray:6 3}.fol-tr-root{fill:var(--fol-ink)}.fol-tr-node circle{fill:var(--fol-sheet);stroke:var(--fol-ink-3);stroke-width:1px}.fol-tr-node .fol-tr-hit{fill:#0000;stroke:none}.fol-tr-node text{font:600 13px var(--fol-face-text);fill:var(--fol-ink);text-anchor:middle;dominant-baseline:central;pointer-events:none}.fol-tr-node[role=button]{cursor:pointer}.fol-tr-node[role=button]:focus-visible{outline:none}.fol-tr-node[role=button]:focus-visible circle:not(.fol-tr-hit){stroke:var(--fol-pencil);stroke-width:3px}.fol-tr-void circle{fill:var(--fol-rule);stroke:none}.fol-tr-edge[data-fol-state]{stroke:var(--fol-stamp);stroke-width:2px}.fol-tr-edge[data-fol-state=path]{stroke-opacity:.45}.fol-tr-node[data-fol-state] circle:not(.fol-tr-hit){fill:var(--fol-stamp);stroke:var(--fol-stamp)}.fol-tr-node[data-fol-state=path] circle:not(.fol-tr-hit){fill:var(--fol-stamp-wash)}.fol-tr-node[data-fol-state=now] circle:not(.fol-tr-hit){stroke:var(--fol-ink);stroke-width:2px}.fol-tr-node[data-fol-state=done] text,.fol-tr-node[data-fol-state=now] text{fill:var(--fol-sheet)}.fol-panel-tools{flex-direction:column;justify-content:space-between;align-self:stretch;align-items:flex-end;display:flex}.fol-controls-chart{justify-content:flex-start;gap:8px 16px}.fol-seg:disabled .fol-seg-label{cursor:default;opacity:.6}[data-fol-showing]:not([data-fol-showing=itu]) [data-fol-set=itu],[data-fol-showing=itu] [data-fol-alt]{display:none}.fol-plate-chart .fol-cell:nth-child(4n+1),.fol-plate-five .fol-cell:nth-child(4n+1){border-inline-start:0}[data-fol-script=wabun] .fol-glyph{font-family:var(--fol-face-kana);font-weight:400}.fol-plate-five{grid-template-columns:repeat(5,minmax(0,1fr))}.fol-plate-five .fol-cell{border-inline-start:1px solid var(--fol-rule-2);padding-inline:6px}.fol-plate-five .fol-cell:nth-child(5n+1){border-inline-start:0}@media (width>=700px){.fol-plate-chart{grid-template-columns:repeat(6,minmax(0,1fr))}.fol-plate-chart .fol-cell:nth-child(4n+1){border-inline-start:1px solid var(--fol-rule-2)}.fol-plate-chart .fol-cell:nth-child(6n+1){border-inline-start:0}.fol-plate-marks{grid-template-columns:repeat(5,minmax(0,1fr))}.fol-plate-marks .fol-cell:nth-child(4n+1){border-inline-start:1px solid var(--fol-rule-2)}.fol-plate-marks .fol-cell:nth-child(5n+1){border-inline-start:0}}.fol-cuts{border-collapse:collapse;inline-size:100%;max-inline-size:560px;margin-block:4px 14px}.fol-cuts th,.fol-cuts td{border-block-end:1px solid var(--fol-rule-2);text-align:start;vertical-align:middle;padding:6px 8px}.fol-cuts thead th{font:12px var(--fol-face-form);letter-spacing:.06em;text-transform:uppercase;color:var(--fol-ink-2);border-block-end:1px solid var(--fol-ink)}.fol-cuts tbody th{font:500 22px var(--fol-face-text)}.fol-cuts .fol-bar{max-inline-size:120px}.fol-cuts code{color:var(--fol-ink-2);font-size:12px;display:block}@media (width>=1000px){.fol-plate .fol-cell:has(.fol-cell-code){--fol-cell-h:100px}.fol-panel.fol-panel-dock{z-index:5;max-inline-size:720px;box-shadow:0 10px 30px -14px var(--fol-shadow);margin:0 auto;position:fixed;inset-block-end:12px;inset-inline:0}.fol-panel-dock .fol-panel-kicker{display:none}body:has(.fol-panel-dock){padding-block-end:150px}}.fol-kin-play{min-block-size:44px;inline-size:100%;color:inherit;cursor:pointer;background:0 0;border:0;align-items:center;padding:0;display:flex}.fol-kin-play:disabled{cursor:default}.fol-path [data-fol-state]{color:var(--fol-stamp)}.fol-path [data-fol-state=now]{text-underline-offset:4px;text-decoration:underline 2px}.fol-words-list{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.fol-word{border:1px solid var(--fol-ink-2);min-block-size:44px;color:var(--fol-ink);font:600 17px var(--fol-face-form);letter-spacing:.08em;cursor:pointer;background:0 0;border-radius:2px;align-items:center;gap:8px;padding-inline:14px;display:inline-flex}.fol-word .fol-icon{block-size:16px;inline-size:16px}.fol-word[data-fol-on]{border-color:var(--fol-stamp);color:var(--fol-stamp)}.fol-faq dt{margin-block-start:12px;font-weight:600}.fol-faq dd{margin:4px 0 0}.fol-facts-wide{grid-template-columns:minmax(96px,max-content) minmax(0,1fr);column-gap:16px;max-inline-size:62ch}.fol-facts dt code{text-transform:none;letter-spacing:0;font-weight:700}.fol-table-wrap{overflow-x:auto}.fol-table{border-collapse:collapse;inline-size:100%;min-inline-size:36rem;font-size:15px}.fol-table th,.fol-table td{border-block-end:1px solid var(--fol-rule-2);text-align:start;vertical-align:top;padding:8px 12px 8px 0}.fol-table thead th{font:12px var(--fol-face-form);letter-spacing:.06em;text-transform:uppercase;color:var(--fol-ink-2);border-block-end-color:var(--fol-ink)}.fol-table tbody th{font-weight:600}.fol-table-list{margin:0;padding:0;list-style:none}.fol-table-list li+li{margin-block-start:6px}.fol-table-list span{color:var(--fol-ink-2);font-size:14px;display:block}.fol-refs{max-inline-size:62ch}@media (width<=40rem){.fol-table{min-inline-size:0}.fol-table thead{clip-path:inset(50%);block-size:1px;inline-size:1px;position:absolute;overflow:hidden}.fol-table tr,.fol-table th,.fol-table td{display:block}.fol-table tbody tr{border-block-end:1px solid var(--fol-ink);padding-block:10px}.fol-table th,.fol-table td{border:0;padding:4px 0}.fol-table td:before{content:attr(data-fol-label);font:11px var(--fol-face-form);letter-spacing:.06em;text-transform:uppercase;color:var(--fol-ink-2);display:block}}.fol-refs li+li{margin-block-start:12px}.fol-chart .fol-section+.fol-section+.fol-section,.fol-colophon,.fol-folio{content-visibility:auto;contain-intrinsic-size:auto 480px}@media print{:root{--fol-paper:#fff;--fol-sheet:#fff;--fol-ink:#000;--fol-ink-2:#333;--fol-stamp-wash:#fff}@page{margin:14mm}body{padding:0!important}.fol-masthead-tools,.fol-controls,.fol-card-tools,.fol-folio,.fol-skip,.fol-toc,.fol-panel{display:none!important}.fol-cell,.fol-card,.fol-kin li,.fol-facts dd{break-inside:avoid}a{color:inherit;text-decoration:none}}.fol-koch [hidden],.fol-trainer [hidden]{display:none}.fol-mode{padding-block:18px 8px;display:none}.fol-trainer:has(#fol-mode-receive:checked) .fol-mode-receive,.fol-trainer:has(#fol-mode-quiz:checked) .fol-mode-quiz,.fol-trainer:has(#fol-mode-send:checked) .fol-mode-send,.fol-trainer:has(#fol-mode-progress:checked) .fol-mode-progress{display:block}.fol-trainer>.fol-seg{border-block-end:1px solid var(--fol-ink);flex-wrap:wrap;inline-size:100%;display:flex}.fol-itp{border-inline-start:3px solid var(--fol-pencil);background:var(--fol-pencil-wash);margin:0 0 12px;padding:10px 12px;font-size:15px}.fol-itp[hidden]{display:none}.fol-koch-set{border:0;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px 14px;min-inline-size:0;margin:0 0 12px;padding:0;display:grid}.fol-field{font:12px var(--fol-face-form);letter-spacing:.06em;text-transform:uppercase;color:var(--fol-ink-2);flex-direction:column;gap:4px;display:flex}.fol-field-wide,.fol-check{grid-column:1/-1}.fol-field select,.fol-input{box-sizing:border-box;border:1px solid var(--fol-ink-2);background:var(--fol-sheet);min-block-size:44px;color:var(--fol-ink);font:16px var(--fol-face-text);letter-spacing:normal;text-transform:none;border-radius:2px;padding-inline:8px}.fol-check{align-items:center;gap:8px;min-block-size:44px;display:flex}.fol-check input{block-size:20px;inline-size:20px;accent-color:var(--fol-ink)}.fol-koch-run{flex-wrap:wrap;align-items:center;gap:12px;margin-block:12px;display:flex}.fol-koch-run [hidden]{display:none}.fol-koch-status{color:var(--fol-ink-2);margin:0;font-size:15px}.fol-lamp{border:2px solid var(--fol-rule);border-radius:50%;block-size:26px;inline-size:26px}.fol-lamp[data-fol-on]{background:var(--fol-stamp);border-color:var(--fol-stamp)}.fol-input{inline-size:100%;font:20px var(--fol-face-form);letter-spacing:.12em;text-transform:uppercase;margin-block-start:4px}.fol-keypad{grid-template-columns:repeat(auto-fill,minmax(48px,1fr));gap:6px;margin-block:10px;display:none}@media (pointer:coarse){.fol-keypad:not(:empty){display:grid}}.fol-key,.fol-choice{border:1px solid var(--fol-rule);background:var(--fol-sheet);min-block-size:48px;color:var(--fol-ink);font:500 22px var(--fol-face-text);cursor:pointer;border-radius:2px}.fol-koch-result{background:var(--fol-sheet);border:1px solid var(--fol-rule);border-block-start:2px solid var(--fol-ink);margin-block-start:16px;padding:14px 16px}.fol-koch-score{font:600 20px var(--fol-face-title);margin:0 0 6px}.fol-koch-table{border-collapse:collapse;min-inline-size:240px;margin-block:12px}.fol-koch-table caption{text-align:start;font:12px var(--fol-face-form);letter-spacing:.06em;text-transform:uppercase;color:var(--fol-ink-2);padding-block-end:4px}.fol-koch-table th,.fol-koch-table td{border-block-end:1px solid var(--fol-rule-2);text-align:start;padding:4px 12px 4px 0}.fol-koch-table tbody th{font:500 20px var(--fol-face-text)}.fol-koch-table tr[data-fol-miss] th{color:var(--fol-stamp)}.fol-koch-copyback dt{font:12px var(--fol-face-form);letter-spacing:.06em;text-transform:uppercase;color:var(--fol-ink-2)}.fol-koch-copyback dd{font-family:var(--fol-face-form);overflow-wrap:anywhere;margin:2px 0 8px}.fol-choices{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;max-inline-size:420px;margin-block:12px;display:grid}.fol-choice[data-fol-state=right]{border-color:var(--fol-pencil);background:var(--fol-pencil-wash)}.fol-choice[data-fol-state=wrong]{border-color:var(--fol-stamp);background:var(--fol-stamp-wash)}.fol-key-set{flex-wrap:wrap;align-items:flex-end;gap:10px 16px;display:flex}.fol-key-code{align-items:center;gap:10px;margin:0;display:flex}.fol-key-desk{flex-wrap:wrap;align-items:center;gap:16px 24px;margin-block:16px;display:flex}.fol-key-target,.fol-key-out{min-inline-size:90px;margin:0}.fol-key-target small,.fol-key-out small{font:11px var(--fol-face-form);letter-spacing:.12em;text-transform:uppercase;color:var(--fol-ink-2);display:block}.fol-key-target span{font:500 44px/1.2 var(--fol-face-text);display:block}.fol-key-out span{min-block-size:1.4em;font:22px var(--fol-face-form);letter-spacing:.1em;overflow-wrap:anywhere;display:block}.fol-key-button{border:2px solid var(--fol-ink);background:var(--fol-sheet);block-size:132px;inline-size:132px;color:var(--fol-ink);font:600 16px var(--fol-face-text);cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:6px;display:flex}.fol-key-button .fol-icon{block-size:28px;inline-size:28px}.fol-key-button[data-fol-on]{background:var(--fol-ink);color:var(--fol-paper)}.fol-key-verdict{min-block-size:1.5em;margin:8px 0}.fol-key-verdict[data-fol-state=wrong]{color:var(--fol-stamp)}.fol-key-answer{margin:8px 0}.fol-key-answer figcaption{color:var(--fol-ink-2);font-size:14px}.fol-key-ruler{block-size:auto;inline-size:100%;max-inline-size:520px;margin-block-end:6px;display:block}.fol-key-ideal{fill:var(--fol-pencil)}.fol-key-keyed{fill:var(--fol-ink)}.fol-ledger-tools,.fol-ledger-found{flex-wrap:wrap;align-items:center;gap:10px;margin-block:12px;display:flex}.fol-ledger-found[hidden]{display:none}.fol-ledger-found p{flex-basis:100%;margin:0}.fol-file{align-items:center;display:inline-flex}.fol-file:focus-within{outline:2px solid var(--fol-pencil);outline-offset:2px}.fol-ledger-message[data-fol-bad]{color:var(--fol-stamp)}.fol-weeks-out output{font:600 22px var(--fol-face-title)}