@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.fixed{position:fixed}.relative{position:relative}.static{position:static}.hidden{display:none}.inline{display:inline}.lowercase{text-transform:lowercase}}:root{--ink:#17231f;--muted:#64736d;--line:#dfe8e2;--paper:#fbfcf8;--card:#fff;--green:#176b52;--green-dark:#0c4b39;--green-soft:#e8f3ed;--yellow:#f5d981;--danger:#b95046}@media (prefers-color-scheme:dark){:root{--ink:#e5f0e9;--muted:#9bb0a5;--line:#2b4237;--paper:#0d1713;--card:#15251e;--green:#53bd91;--green-dark:#9be0bd;--green-soft:#193c2e;--yellow:#d8bd5d;--danger:#ed9589}.site-header{background:#0d1713eb}.level-badge{color:#3f350d}.filter-button,.button{box-shadow:0 4px 16px #0000001f}.button-primary,.button-primary:hover{color:#092117}.inline-input,.inline-select{color:#d9f3e4;background:#20382c;border-color:#547565}.inline-input:focus{background:#294a3a}.notice-warning{color:#f2d977;background:#3d3518}.notice-error{color:#f0a29a;background:#3d211f}.consent-card{border-color:#39745a}.mistake-explanation{color:#f2d977;background:#3d3518}.review-text,.passage-text{color:#d8e9df}.review-word.is-correct{border-bottom-color:#56a77d}.review-word.is-wrong{border-bottom-color:#bf665d}}[data-theme=light]{--ink:#17231f;--muted:#64736d;--line:#dfe8e2;--paper:#fbfcf8;--card:#fff;--green:#176b52;--green-dark:#0c4b39;--green-soft:#e8f3ed;--yellow:#f5d981;--danger:#b95046}[data-theme=dark]{--ink:#e5f0e9;--muted:#9bb0a5;--line:#2b4237;--paper:#0d1713;--card:#15251e;--green:#53bd91;--green-dark:#9be0bd;--green-soft:#193c2e;--yellow:#d8bd5d;--danger:#ed9589}.theme-toggle{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;align-items:center;gap:6px;padding:7px 10px;font-size:.76rem;font-weight:700;transition:all .2s;display:inline-flex}.theme-toggle:hover{border-color:var(--green);color:var(--green)}.theme-toggle span:first-child{font-size:1.2rem;line-height:1}.timer-mode-control{border:1px solid var(--line);background:var(--card);color:var(--muted);border-radius:999px;align-items:center;gap:6px;padding:3px 4px 3px 10px;font-size:.76rem;font-weight:700;display:inline-flex}.timer-mode-control select{background:var(--green-soft);min-width:76px;color:var(--green-dark);cursor:pointer;border:0;border-radius:999px;outline:none;padding:4px 7px;font-weight:800}.timer-mode-control:focus-within{border-color:var(--green);box-shadow:0 0 0 3px #176b521f}[data-theme=dark] .site-header{color:#e5f0e9;background:#101d17;border-color:#294137}[data-theme=dark] .site-footer{border-color:#294137}[data-theme=light] .site-header{background:#fbfcf8eb}[data-theme=dark] .site-nav{color:#b9cec2}[data-theme=dark] .site-nav a:hover{color:#8fe0b8}[data-theme=dark] .brand{color:#a7e5c4}[data-theme=dark] .theme-toggle{color:#d9f3e4;background:#1b3027;border-color:#436455}[data-theme=dark] .theme-toggle:hover{color:#9be0bd;border-color:#72d6a4}[data-theme=dark] .timer-mode-control{color:#b9cec2;background:#1b3027;border-color:#436455}[data-theme=dark] .timer-mode-control select{color:#d9f3e4;background:#244536}[data-theme=dark] .passage-text,[data-theme=dark] .review-text{color:#d8e9df}[data-theme=dark] .inline-input,[data-theme=dark] .inline-select{color:#d9f3e4;background:#1b3027;border-color:#527866}[data-theme=dark] .inline-input:focus{background:#244536;border-bottom-color:#72d6a4}[data-theme=dark] .file-input{color:#d9f3e4;background:#1b3027;border-color:#527866}[data-theme=dark] .timer{color:#f2d977;background:#3d3518;border-color:#8b7830}[data-theme=dark] .item-context{color:#b9cec2;background:#1b3027;border-left-color:#527866}[data-theme=dark] .keyboard-key.is-active{color:#092117}*{box-sizing:border-box}html{background:var(--paper)}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.page-shell{width:min(1120px,100% - 40px);margin:0 auto}.site-header{border-bottom:1px solid var(--line);z-index:20;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fbfcf8eb;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:72px;display:flex}.brand{color:var(--green-dark);align-items:center;display:inline-flex}.brand-logo{filter:drop-shadow(0 4px 8px #0c4b3924);width:102px;height:36px;transition:transform .2s;display:block}.brand:hover .brand-logo{transform:translateY(-1px)rotate(-2deg)}.site-nav{color:var(--muted);align-items:center;gap:22px;font-size:.9rem;font-weight:600;display:flex}.site-nav a:hover{color:var(--green)}.header-timer-slot{align-items:center;display:flex}.header-timer-slot .timer{align-items:center;gap:7px;padding:7px 10px;font-size:.75rem;display:inline-flex}.header-timer-slot .timer span{opacity:.78}.site-footer{border-top:1px solid var(--line);color:var(--muted);margin-top:80px;font-size:.8rem}.footer-inner{justify-content:space-between;gap:20px;padding:24px 0;display:flex}.footer-notice{border-top:1px solid var(--line);padding:14px 0 24px;font-size:.72rem;line-height:1.5}.hero{max-width:720px;padding:76px 0 52px}.eyebrow{color:var(--green);letter-spacing:.15em;text-transform:uppercase;font-size:.75rem;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.065em;margin-bottom:18px;font-size:clamp(2.45rem,6vw,4.7rem);line-height:.98}h2{letter-spacing:-.035em;margin-bottom:10px;font-size:1.55rem}h3{margin-bottom:8px;font-size:1.05rem}.hero p{max-width:600px;color:var(--muted);font-size:1.1rem;line-height:1.7}#available-exams{scroll-margin-top:96px}.section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px;display:flex}.section-heading p{color:var(--muted);margin-bottom:0}.filter-row{flex-wrap:wrap;gap:9px;margin-bottom:26px;display:flex}.filter-button,.button{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:10px 16px;font-size:.87rem;font-weight:700;transition:all .2s}.filter-button:hover,.button:hover{border-color:var(--green);color:var(--green);transform:translateY(-1px)}.filter-button.is-active{background:var(--green);border-color:var(--green);color:#fff}.button-primary{border-color:var(--green);background:var(--green);color:#fff}.button-primary:hover{border-color:var(--green-dark);background:var(--green-dark);color:#fff}.button-secondary{background:0 0}.exam-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.exam-card{border:1px solid var(--line);background:var(--card);border-radius:22px;flex-direction:column;justify-content:space-between;min-height:250px;padding:24px;display:flex;box-shadow:0 10px 30px #17231f09}.exam-card:hover{border-color:#a6c6b6;box-shadow:0 14px 36px #17231f14}.card-topline,.meta-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.level-badge{background:var(--yellow);color:#5e4b10;border-radius:999px;padding:5px 10px;font-size:.72rem;font-weight:800;display:inline-flex}.muted{color:var(--muted)}.exam-card p{color:var(--muted);line-height:1.6}.meta-row{color:var(--muted);justify-content:flex-start;font-size:.82rem}.card-action{color:var(--green);align-items:center;gap:8px;margin-top:22px;font-size:.9rem;font-weight:800;display:inline-flex}.empty-state{color:var(--muted);border:1px dashed #b8cbc0;border-radius:18px;padding:34px}.detail-page,.practice-page,.history-page,.import-page{padding:58px 0 80px}.back-link{color:var(--green);margin-bottom:28px;font-size:.86rem;font-weight:800;display:inline-block}.detail-layout{grid-template-columns:1.4fr .8fr;align-items:start;gap:48px;display:grid}.detail-copy p{max-width:650px;color:var(--muted);font-size:1.05rem;line-height:1.75}.detail-copy>.button{margin-top:10px;display:inline-flex}.info-card{border:1px solid var(--line);background:var(--card);border-radius:22px;padding:24px}.info-list{gap:16px;margin:22px 0;display:grid}.info-list div{border-bottom:1px solid var(--line);justify-content:space-between;gap:14px;padding-bottom:12px;font-size:.9rem;display:flex}.info-list div:last-child{border-bottom:0}.info-list dt{color:var(--muted)}.info-list dd{text-align:right;margin:0;font-weight:700}.practice-intro{justify-content:space-between;align-items:start;gap:20px;margin-bottom:25px;display:flex}.timer{color:#6d5710;white-space:nowrap;background:#fff8d9;border:1px solid #d9c66d;border-radius:999px;padding:10px 15px;font-size:.86rem;font-weight:800}.timer-sticky{z-index:12;width:max-content;margin:-5px 0 20px auto;position:sticky;top:84px;box-shadow:0 6px 18px #17231f1a}.passage-card{border:1px solid var(--line);background:var(--card);border-radius:22px;margin-bottom:18px;padding:clamp(20px,4vw,38px)}.passage-title{color:var(--green);letter-spacing:.12em;text-transform:uppercase;margin-bottom:22px;font-size:.74rem;font-weight:800}.passage-text{color:#24352e;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.08rem,2vw,1.28rem);line-height:2.25}.word-blank{color:var(--green-dark);white-space:nowrap;vertical-align:baseline;align-items:baseline;margin:0 1px;line-height:1;display:inline-flex}.word-prefix{padding:0}.inline-input{height:1.45em;color:var(--green-dark);text-align:left;vertical-align:baseline;background:#f0f6f1;border:0;border-bottom:2px solid #9fb5a8;border-radius:2px 2px 0 0;outline:none;padding:1px 2px 0;line-height:1;transition:all .2s;display:inline-block}.inline-input:focus{border-bottom-color:var(--green);box-shadow:0 2px 0 var(--green);background:#e5f1e8}.word-blank.is-active .inline-input{border-bottom-color:var(--green);box-shadow:0 2px 0 var(--green)}.inline-select{color:var(--green-dark);background:#f0f6f1;border:1px solid #9fb5a8;border-radius:7px;margin:0 4px;padding:4px 7px}.input-assist{border-top:1px solid var(--line);margin-top:26px;padding-top:18px;font-family:Arial,Helvetica,sans-serif}.special-key-row{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.input-assist-label{color:var(--muted);margin-right:3px;font-size:.76rem;font-weight:700}.special-key,.keyboard-toggle,.keyboard-close,.keyboard-key{border:1px solid var(--line);background:var(--card);color:var(--ink);font-weight:750;transition:border-color .16s,background .16s,color .16s,transform .16s}.special-key:hover:not(:disabled),.keyboard-toggle:hover:not(:disabled),.keyboard-close:hover:not(:disabled),.keyboard-key:hover:not(:disabled){border-color:var(--green);color:var(--green-dark);transform:translateY(-1px)}.special-key:focus-visible,.keyboard-toggle:focus-visible,.keyboard-close:focus-visible,.keyboard-key:focus-visible{outline:3px solid var(--green)}@supports (color:color-mix(in lab, red, red)){.special-key:focus-visible,.keyboard-toggle:focus-visible,.keyboard-close:focus-visible,.keyboard-key:focus-visible{outline:3px solid color-mix(in srgb, var(--green) 24%, transparent)}}.special-key:focus-visible,.keyboard-toggle:focus-visible,.keyboard-close:focus-visible,.keyboard-key:focus-visible{outline-offset:2px}.special-key:disabled,.keyboard-toggle:disabled,.keyboard-key:disabled{cursor:not-allowed;opacity:.45}.special-key{background:var(--green-soft);min-width:34px;height:32px;color:var(--green-dark);border-radius:9px;place-items:center;font-size:.95rem;display:grid}.keyboard-toggle{border-radius:10px;align-items:center;gap:7px;min-height:32px;margin-left:4px;padding:5px 10px;font-size:.76rem;display:inline-flex}.keyboard-toggle span{font-size:1rem;line-height:1}.virtual-keyboard{border:1px solid var(--line);background:var(--paper);border-radius:16px;width:min(100%,760px);margin-top:14px;padding:16px;box-shadow:0 14px 35px #17231f14}.virtual-keyboard-heading{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:13px;display:flex}.virtual-keyboard-heading strong{color:var(--ink);font-size:.82rem;display:block}.virtual-keyboard-heading span{color:var(--muted);margin-top:3px;font-size:.7rem;display:block}.keyboard-close{border-radius:8px;flex:none;place-items:center;width:27px;height:27px;padding:0;font-size:1.15rem;line-height:1;display:grid}.keyboard-rows{gap:6px;display:grid}.keyboard-row{justify-content:center;gap:5px;display:flex}.keyboard-key{border-radius:8px;flex:1 1 0;min-width:0;min-height:36px;padding:6px 3px;font-size:.8rem}.keyboard-key.is-active{border-color:var(--green);background:var(--green);color:#fff}.keyboard-action-row{margin-top:2px}.keyboard-key-wide{flex-grow:1.7}.keyboard-space{flex-grow:4}.review-card{margin-bottom:12px}.review-text{color:#24352e;margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.05rem,2vw,1.2rem);line-height:2}.review-word{white-space:nowrap;border-bottom:2px solid #9fb5a8;align-items:baseline;margin:0 1px;line-height:1.05;display:inline-flex}.review-word.is-correct{border-bottom-color:#83b69a}.review-word.is-wrong{border-bottom-color:#d78c82}.review-explained{cursor:help}.review-tooltip-trigger{vertical-align:baseline;outline:none;display:inline-flex;position:relative}.review-tooltip-trigger:focus-visible{border-radius:4px;box-shadow:0 0 0 3px #176b5233}.review-tooltip{z-index:10;color:#f4fbf5;opacity:0;pointer-events:none;text-align:left;visibility:hidden;white-space:normal;background:#123f31;border:1px solid #2c7258;border-radius:11px;width:max-content;max-width:min(290px,70vw);padding:10px 12px;font-family:Arial,Helvetica,sans-serif;font-size:.74rem;font-weight:500;line-height:1.45;transition:opacity .16s,transform .16s;position:absolute;bottom:calc(100% + 11px);left:50%;transform:translate(-50%,5px);box-shadow:0 12px 28px #0a362838}.review-tooltip:after{content:"";background:#123f31;border-bottom:1px solid #2c7258;border-right:1px solid #2c7258;width:10px;height:10px;position:absolute;bottom:-6px;left:50%;transform:translate(-50%)rotate(45deg)}.review-tooltip-trigger:hover .review-tooltip,.review-tooltip-trigger:focus-visible .review-tooltip{opacity:1;visibility:visible;transform:translate(-50%)}.review-answer{padding-left:1px}.review-correction{color:var(--danger);margin-left:4px;font-family:Arial,Helvetica,sans-serif;font-size:.68em;font-weight:700}.practice-actions{justify-content:flex-end;margin-top:20px;display:flex}.notice{border-radius:14px;padding:14px 16px;font-size:.9rem;line-height:1.5}.notice-warning{color:#705812;background:#fff5d4}.notice-error{color:var(--danger);background:#fff0ed}.result-hero{grid-template-columns:1fr auto;align-items:end;gap:30px;margin-bottom:34px;display:grid}.score-display{background:var(--green);color:#fff;text-align:center;border-radius:22px;padding:24px 28px}.score-display strong{letter-spacing:-.06em;font-size:2.8rem;display:block}.score-display span{opacity:.8;font-size:.78rem}.result-list{gap:12px;display:grid}.result-item{border:1px solid var(--line);border-left:4px solid var(--danger);background:var(--card);border-radius:14px;padding:17px 18px}.result-item.is-correct{border-left-color:var(--green)}.result-item-header{justify-content:space-between;gap:14px;margin-bottom:8px;display:flex}.status-correct{color:var(--green);font-weight:800}.status-wrong{color:var(--danger);font-weight:800}.answer-line{color:var(--muted);font-size:.9rem;line-height:1.6}.answer-line strong{color:var(--ink)}.item-context{color:var(--muted);background:#f4f8f4;border-left:3px solid #9fb5a8;border-radius:4px;margin:0 0 12px;padding:9px 12px;font-family:Georgia,Times New Roman,serif;font-size:.93rem;line-height:1.55}.item-context span{color:var(--green);letter-spacing:.1em;text-transform:uppercase;margin-bottom:3px;font-family:Arial,Helvetica,sans-serif;font-size:.68rem;font-weight:800;display:block}.mistake-explanation{color:#705812;background:#fff8e5;border-radius:8px;margin:11px 0 0;padding:9px 11px;font-size:.84rem;line-height:1.5}.consent-card{background:var(--green-soft);border:1px solid #b9d6c5;border-radius:16px;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;padding:18px;display:flex}.consent-card p{color:var(--green-dark);margin-bottom:0;font-size:.88rem;line-height:1.5}.consent-actions{flex-wrap:wrap;gap:8px;display:flex}.history-list{gap:12px;display:grid}.history-item{border:1px solid var(--line);background:var(--card);border-radius:16px;justify-content:space-between;align-items:center;gap:20px;padding:18px;display:flex}.history-item p{color:var(--muted);margin:5px 0 0;font-size:.85rem}.import-page>.detail-copy{margin-bottom:38px}.import-form{border:1px solid var(--line);background:var(--card);border-radius:20px;padding:24px}.file-input{background:#f5faf6;border:1px dashed #a8c4b3;border-radius:12px;width:100%;margin:18px 0;padding:25px;display:block}.import-preview{border-top:1px solid var(--line);margin-top:18px;padding-top:18px}.content-link{color:var(--green);text-underline-offset:3px;font-weight:700;text-decoration:underline}.content-link:hover{color:var(--green-dark)}@media (max-width:720px){.page-shell{width:min(100% - 28px,1120px)}.header-inner{gap:10px;min-height:62px;padding:8px 0}.site-nav{flex-wrap:wrap;justify-content:flex-end;gap:11px;font-size:.76rem}.timer-mode-control>span{display:none}.timer-mode-control{padding-left:4px}.timer-mode-control select{min-width:68px}.input-assist{margin-top:20px;padding-top:15px}.input-assist-label{flex-basis:100%}.keyboard-toggle{margin-left:0}.virtual-keyboard{width:calc(100% + 16px);margin-left:-8px;margin-right:-8px;padding:12px 9px}.keyboard-row{gap:3px}.keyboard-key{min-height:34px;padding:5px 1px;font-size:.7rem}.keyboard-key-wide{font-size:.64rem}.hero{padding:54px 0 42px}.exam-grid,.detail-layout,.result-hero{grid-template-columns:1fr}.score-display{justify-self:start}.timer-sticky{top:70px}.footer-inner,.practice-intro,.consent-card,.history-item{flex-direction:column;align-items:flex-start}}
