@font-face{font-family:IBM Plex Sans;font-style:normal;font-weight:400 600;font-display:swap;src:url(/fonts/v2/plex-sans-var-cyrillic.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-weight:400 600;font-display:swap;src:url(/fonts/v2/plex-sans-var-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-weight:400 600;font-display:swap;src:url(/fonts/v2/plex-sans-var-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:IBM Plex Sans Fallback;font-style:normal;font-weight:400;src:local("Arial"),local("ArialMT");size-adjust:100.8%;ascent-override:101.69%;descent-override:27.28%;line-gap-override:0%}@font-face{font-family:IBM Plex Sans Fallback;font-style:normal;font-weight:600 700;src:local("Arial Bold"),local("Arial-BoldMT");size-adjust:96.68%;ascent-override:106.02%;descent-override:28.44%;line-gap-override:0%}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400 500;font-display:swap;src:url(/fonts/v2/jetbrains-mono-var-cyrillic.woff2) format("woff2");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400 500;font-display:swap;src:url(/fonts/v2/jetbrains-mono-var-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400 500;font-display:swap;src:url(/fonts/v2/jetbrains-mono-var-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}[data-theme=v2]{color-scheme:light;--ink: #111111;--paper: #FAFAF7;--field: #FFFFFF;--muted: #474743;--hairline: #D4D4CE;--rule: #111111;--accent: #E8410C;--font-sans: "IBM Plex Sans", "IBM Plex Sans Fallback", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--font-ja: "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;--measure: 39.6em;--measure-h1: 12em;--measure-deck: 31.2em;--step-number: 1.8em}[data-theme=v2]:lang(ja){--font-sans: var(--font-ja);--measure: 66ch;--measure-h1: 20ch;--measure-deck: 52ch;--step-number: 3ch;--font-mono: "JetBrains Mono", "Hiragino Sans", "Noto Sans JP", ui-monospace, monospace}[data-theme=v2] body{background:var(--paper)}[data-theme=v2] .v2-page{color:var(--ink);font:400 17px/1.55 var(--font-sans);-webkit-text-size-adjust:100%}[data-theme=v2] .v2-page :where(h1,h2,h3,p,li,td,th){margin:0;color:inherit;font-family:inherit;font-style:normal;font-size:inherit;line-height:inherit}[data-theme=v2] .v2-page :is(h1,h2,h3,p,div,li,td,th){-webkit-hyphens:manual;hyphens:manual}[data-theme=v2] .v2-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}[data-theme=v2] .v2-page [hidden]{display:none}[data-theme=v2] .v2-page a{color:inherit;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}[data-theme=v2] .v2-page :focus-visible{outline:2px solid var(--accent);outline-offset:2px}[data-theme=v2] .v2-wrap{width:min(1200px,100% - 32px);margin-inline:auto}[data-theme=v2] .v2-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums lining-nums}[data-theme=v2] .v2-label{font:500 12px/1.2 var(--font-mono);letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}[data-theme=v2] .v2-page-head{padding:18px 0 16px}[data-theme=v2] .v2-kicker{margin:0 0 8px;font:500 12px/1.2 var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}[data-theme=v2] .v2-page-head h1{max-width:var(--measure-h1);font-weight:600;font-size:clamp(28px,4.4vw,56px);line-height:1.06;letter-spacing:-.025em}[data-theme=v2] .v2-deck{margin-top:8px;max-width:var(--measure-deck);font-size:16px;line-height:1.4;color:var(--muted)}[data-theme=v2]:lang(ja) .v2-page :is(h1,h2){letter-spacing:0;word-break:keep-all;overflow-wrap:anywhere}@supports (word-break: auto-phrase){[data-theme=v2]:lang(ja) .v2-page :is(h1,h2){word-break:auto-phrase}}[data-theme=v2] .v2-tool{border:1px solid var(--rule);background:var(--field)}[data-theme=v2] .v2-tabs{display:flex;border-bottom:1px solid var(--rule)}[data-theme=v2] .v2-tab{flex:1 1 0;min-width:0;min-height:44px;padding:8px;border:0;border-right:1px solid var(--hairline);background:transparent;color:var(--muted);cursor:pointer;font:500 12px/1.25 var(--font-mono);letter-spacing:.04em;text-transform:uppercase}[data-theme=v2] .v2-tab:last-child{border-right:0}[data-theme=v2] .v2-tab[aria-selected=true]{color:var(--ink);box-shadow:inset 0 -3px 0 var(--accent)}[data-theme=v2] .v2-tool-body{display:grid;gap:12px;padding:14px 16px 16px}[data-theme=v2] .v2-field{display:grid;gap:6px;min-width:0;margin:0;padding:0;border:0}[data-theme=v2] .v2-field legend{padding:0;margin-bottom:6px}[data-theme=v2] .v2-io{display:grid;gap:12px}[data-theme=v2] .v2-io-inputs{display:grid;gap:12px;min-width:0}[data-theme=v2] .v2-io-arrow{display:none;font:400 32px/1 var(--font-mono);color:var(--muted)}[data-theme=v2] .v2-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}[data-theme=v2] .v2-dial{position:relative;display:block;min-width:0}[data-theme=v2] .v2-dial input{width:100%;height:60px;padding:0 3.6em 0 10px;border:1px solid var(--rule);border-radius:0;background:var(--paper);color:var(--ink);font:500 28px/1 var(--font-mono);font-variant-numeric:tabular-nums}[data-theme=v2] .v2-dial-unit{position:absolute;right:10px;bottom:12px;font:400 13px/1 var(--font-mono);color:var(--muted);pointer-events:none}[data-theme=v2] .v2-page input[type=number]{-moz-appearance:textfield;-webkit-appearance:textfield;appearance:textfield}[data-theme=v2] .v2-page input:focus{border-color:var(--rule);box-shadow:none}[data-theme=v2] .v2-page input::-webkit-outer-spin-button,[data-theme=v2] .v2-page input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}[data-theme=v2] .v2-controls{display:grid;gap:12px;padding-top:4px}[data-theme=v2] .v2-control{width:100%;height:44px;padding:0 10px;border:1px solid var(--rule);border-radius:0;background:var(--paper);color:var(--ink);font:400 16px/1 var(--font-sans)}[data-theme=v2] .v2-range-row{display:flex;align-items:center;gap:8px;height:44px}[data-theme=v2] .v2-range-row input[type=range]{flex:1 1 0;width:0;min-width:0;height:44px;margin:0;accent-color:var(--ink)}[data-theme=v2] .v2-range-row .v2-control{flex:0 0 auto;width:6.5ch;padding:0 6px;font:500 16px/1 var(--font-mono);text-align:right}[data-theme=v2] .v2-range-suffix{font:400 16px/1 var(--font-mono);color:var(--muted)}[data-theme=v2] .v2-readout{display:grid;gap:6px;min-width:0}[data-theme=v2] .v2-readout-value{display:block;min-height:60px;font-weight:500;font-size:58px;line-height:60px;letter-spacing:-.04em}[data-theme=v2] .v2-readout-parts{display:flex;flex-wrap:wrap;align-items:baseline;-moz-column-gap:.11em;column-gap:.11em;-webkit-user-select:none;-moz-user-select:none;user-select:none}[data-theme=v2] .v2-readout-part{white-space:nowrap}[data-theme=v2] .v2-readout-unit{margin-left:.12em;font-size:.36em;letter-spacing:0;color:var(--muted)}[data-theme=v2] .v2-gauge{position:relative;height:34px}[data-theme=v2] .v2-gauge-track{position:absolute;inset:0 0 auto;height:12px;border:1px solid var(--rule);background:var(--field)}[data-theme=v2] .v2-gauge-fill{height:100%;width:0;background:var(--accent);transition:width .2s ease-out}[data-theme=v2] .v2-gauge-ticks span{position:absolute;top:12px;width:1px;height:5px;background:var(--ink);transform:translate(-.5px)}[data-theme=v2] .v2-gauge-ticks span.v2-major{height:8px}[data-theme=v2] .v2-gauge-labels span{position:absolute;top:21px;font:400 12px/1 var(--font-mono);color:var(--muted);white-space:nowrap;transform:translate(-50%)}[data-theme=v2] .v2-gauge-labels span:first-child{transform:none}[data-theme=v2] .v2-gauge-labels span:last-child{transform:translate(-100%)}[data-theme=v2] .v2-readout-details{min-height:2.9em;font:400 13px/1.45 var(--font-mono);color:var(--muted)}[data-theme=v2] .v2-readout[data-state=error] .v2-readout-value{color:var(--muted)}[data-theme=v2] .v2-readout[data-state=error] .v2-readout-details{color:var(--ink)}[data-theme=v2] .v2-copy{justify-self:start;min-height:44px;padding:0 14px;border:1px solid var(--rule);border-radius:0;background:transparent;color:var(--ink);cursor:pointer;font:500 12px/1 var(--font-mono);letter-spacing:.04em;text-transform:uppercase}[data-theme=v2] .v2-copy:hover:not(:disabled){background:var(--ink);color:var(--paper)}[data-theme=v2] .v2-copy:disabled{border-color:var(--hairline);color:var(--muted);cursor:default}[data-theme=v2] .v2-button{justify-self:start;min-height:44px;padding:0 16px;border:1px solid var(--rule);border-radius:0;background:var(--ink);color:var(--paper);cursor:pointer;font:500 12px/1 var(--font-mono);letter-spacing:.04em;text-transform:uppercase}[data-theme=v2] .v2-stages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;padding:0;list-style:none;border:1px solid var(--hairline)}[data-theme=v2] .v2-stage{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:baseline;-moz-column-gap:6px;column-gap:6px;padding:8px 10px;border-right:1px solid var(--hairline)}[data-theme=v2] .v2-stage:last-child{border-right:0}[data-theme=v2] .v2-stage[aria-current=step]{box-shadow:inset 0 -3px 0 var(--accent)}[data-theme=v2] .v2-stage-index{font-size:12px;color:var(--muted)}[data-theme=v2] .v2-stage-name{min-width:0;-webkit-hyphens:auto;hyphens:auto;overflow-wrap:anywhere;font-size:14px;font-weight:500}[data-theme=v2] .v2-stage-score{grid-column:2;font-size:13px;color:var(--muted)}[data-theme=v2] .v2-level-intro{display:grid;gap:12px}[data-theme=v2] .v2-level-intro p{max-width:var(--measure);font-size:16px;color:var(--muted)}[data-theme=v2] .v2-passage{display:grid;gap:16px}[data-theme=v2] .v2-passage-title{display:grid;gap:4px;font-size:20px;font-weight:600;line-height:1.25}[data-theme=v2] .v2-passage-text{max-width:var(--measure);white-space:pre-line;font-size:17px;line-height:1.6}[data-theme=v2] .v2-question{display:grid;gap:4px;min-width:0;margin:0;padding:12px 0 0;border:0;border-top:1px solid var(--hairline)}[data-theme=v2] .v2-question legend{float:left;width:100%;margin-bottom:4px;padding:0;font-weight:600;line-height:1.4}[data-theme=v2] .v2-choice{display:flex;align-items:center;gap:10px;min-height:44px;padding:4px 8px;border:1px solid transparent;cursor:pointer}[data-theme=v2] .v2-choice:not(:has(input:disabled)):hover{border-color:var(--hairline)}[data-theme=v2] .v2-choice:has(input:disabled){cursor:default}[data-theme=v2] .v2-choice input[type=radio]{flex:0 0 auto;width:20px;height:20px;margin:0;-webkit-appearance:radio;-moz-appearance:auto;appearance:auto;border:0;background:none;accent-color:var(--ink)}[data-theme=v2] .v2-choice[data-mark=correct]{border-color:var(--rule);box-shadow:inset 3px 0 0 var(--ink)}[data-theme=v2] .v2-choice[data-mark=wrong]{border-color:var(--hairline);color:var(--muted);text-decoration:line-through}[data-theme=v2] .v2-feedback{font:400 15px/1.45 var(--font-mono)}[data-theme=v2] .v2-question[data-missing]{box-shadow:inset 3px 0 0 var(--accent);padding-left:10px}[data-theme=v2] .v2-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding-top:4px}[data-theme=v2] .v2-level-score{font:500 15px/1.4 var(--font-mono)}[data-theme=v2] .v2-level-error{flex-basis:100%;font-size:15px;font-weight:600}[data-theme=v2] .v2-level-result{display:grid;gap:12px;scroll-margin-top:16px}[data-theme=v2] .v2-score-table :is(th,td){-webkit-hyphens:auto;hyphens:auto;overflow-wrap:anywhere}[data-theme=v2] .v2-level-result .v2-readout-value{min-height:0;font-size:clamp(32px,8vw,72px);line-height:1.1;letter-spacing:-.03em}[data-theme=v2] .v2-level-result .v2-readout-part{white-space:normal;-webkit-hyphens:auto;hyphens:auto;overflow-wrap:anywhere}[data-theme=v2] .v2-level-note{max-width:var(--measure);padding-left:12px;border-left:3px solid var(--accent);font-size:15px}@media (forced-colors: active){[data-theme=v2] .v2-stage[aria-current=step],[data-theme=v2] .v2-choice[data-mark=correct]{outline:2px solid CanvasText;outline-offset:-2px}}[data-theme=v2] .v2-method{display:grid;gap:8px;padding:16px 0 0}[data-theme=v2] .v2-method p{max-width:var(--measure);font-size:15px;line-height:1.5}[data-theme=v2] .v2-method .v2-formula{font:500 15px/1.45 var(--font-mono)}[data-theme=v2] .v2-content{padding:40px 0 64px}[data-theme=v2] .v2-section{display:grid;gap:12px;padding:28px 0;border-top:1px solid var(--rule)}[data-theme=v2] :is(.v2-section-head,.v2-section-body){min-width:0}[data-theme=v2] .v2-section-index{font-size:12px;color:var(--muted)}[data-theme=v2] .v2-section h2{margin-bottom:12px;font-weight:600;font-size:clamp(22px,2.4vw,30px);line-height:1.15;letter-spacing:-.015em}[data-theme=v2] .v2-section h3{margin-bottom:6px;font-size:16px;font-weight:600;line-height:1.35}[data-theme=v2] .v2-section-body>*+*{margin-top:16px}[data-theme=v2] .v2-section-body p{max-width:var(--measure)}[data-theme=v2] .v2-steps{padding:0;list-style:none;counter-reset:v2-step;max-width:var(--measure)}[data-theme=v2] .v2-steps li{display:grid;grid-template-columns:var(--step-number) 1fr;gap:8px;padding:9px 0;border-top:1px solid var(--hairline);font-size:16px;counter-increment:v2-step}[data-theme=v2] .v2-steps li:before{content:counter(v2-step,decimal-leading-zero);font:500 12px/1.9 var(--font-mono);color:var(--muted)}[data-theme=v2] .v2-list{padding-left:1.1em;list-style:square;max-width:var(--measure)}[data-theme=v2] .v2-list li+li{margin-top:6px}[data-theme=v2] .v2-table-wrap{overflow-x:auto}[data-theme=v2] .v2-page table{width:100%;border-collapse:collapse;font-size:15px}[data-theme=v2] .v2-page caption{padding-bottom:8px;text-align:left}[data-theme=v2] .v2-page th{padding:8px 12px 8px 0;border-bottom:1px solid var(--rule);text-align:left;font:500 11px/1.3 var(--font-mono);letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}[data-theme=v2] .v2-page td{padding:12px 12px 12px 0;border-bottom:1px solid var(--hairline);vertical-align:top}[data-theme=v2] .v2-conclusion{max-width:var(--measure);padding-left:12px;border-left:3px solid var(--accent)}[data-theme=v2] .v2-faq-item+.v2-faq-item{padding-top:16px;border-top:1px solid var(--hairline)}[data-theme=v2] .v2-sources{margin:0;padding-left:1.1em;font-size:14px;color:var(--muted)}@media (min-width: 960px){[data-theme=v2] .v2-page-head{padding:48px 0 32px}[data-theme=v2] .v2-deck{margin-top:14px;font-size:19px}[data-theme=v2] .v2-tab{flex:0 0 auto;padding:0 20px;font-size:12px}[data-theme=v2] .v2-tool-body{gap:18px;padding:28px}[data-theme=v2] .v2-io{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:start;gap:24px}[data-theme=v2] .v2-io-arrow{display:block;padding-top:52px}[data-theme=v2] .v2-dial input{height:104px;padding:0 3.2em 0 20px;font-size:64px}[data-theme=v2] .v2-dial-unit{right:16px;bottom:20px;font-size:16px}[data-theme=v2] .v2-readout-value{min-height:104px;font-size:112px;line-height:104px}[data-theme=v2] .v2-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}[data-theme=v2] .v2-content{padding-top:72px}[data-theme=v2] .v2-section{grid-template-columns:repeat(12,minmax(0,1fr));-moz-column-gap:24px;column-gap:24px;padding:40px 0}[data-theme=v2] .v2-section-head{grid-column:1 / 3}[data-theme=v2] .v2-section-body{grid-column:3 / 12}[data-theme=v2] .v2-page td.v2-num{white-space:nowrap}}