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a:hover{color:var(--color-accent);}.popular-services__list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:var(--space-md);}.popular-services__item{display:flex;flex-direction:column;gap:var(--space-xs);padding:var(--space-md) var(--space-lg);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);text-decoration:none;color:var(--color-text);transition:transform 0.15s,box-shadow 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ease;}.article-themes__pill:hover{background:var(--color-bg-alt);border-color:var(--color-accent);color:var(--color-text);transform:translateY(-1px);}.article-themes__pill-name{}.article-themes__pill-count{font-size:var(--text-xs);color:var(--color-text-light);background:var(--color-bg-alt);padding:1px 6px;border-radius:9999px;min-width:20px;text-align:center;}.article-category-card-nav{display:flex;flex-direction:column;justify-content:space-between;padding:var(--space-lg);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);text-decoration:none;color:var(--color-text);transition:transform 0.25s ease,box-shadow 0.25s ease,background-color 0.25s ease;}.article-category-card-nav:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);filter:brightness(0.98);}.article-category-card-nav__name{font-size:var(--text-base);font-weight:600;margin-bottom:var(--space-xs);}.article-category-card-nav__count{font-size:var(--text-xs);color:var(--color-text-light);}.article__category-badge{display:inline-block;margin-bottom:var(--space-md);padding:var(--space-xs) var(--space-md);font-size:var(--text-xs);font-weight:500;color:var(--color-text-muted);background:var(--color-sand);border-radius:var(--radius-sm);text-decoration:none;transition:background-color 0.2s ease;}.article__category-badge:hover{background:var(--color-border);}.same-category-articles{margin-top:var(--space-3xl);padding-top:var(--space-2xl);border-top:1px solid var(--color-border);}.same-category-articles__heading{font-size:var(--text-xl);font-weight:600;margin-bottom:var(--space-xl);}.same-category-articles__list{display:grid;grid-template-columns:1fr;gap:var(--space-md);}@media (min-width:768px){.same-category-articles__list{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));}}.legal-page{max-width:720px;margin:0 auto;padding:var(--space-xl) var(--space-lg) var(--space-4xl);}.legal-page__title{font-size:var(--text-3xl);font-weight:700;color:var(--color-text);margin-bottom:var(--space-2xl);line-height:var(--leading-tight);}.legal-page__date{font-size:var(--text-sm);color:var(--color-text-muted);margin-bottom:var(--space-2xl);}.legal-page__content h2{font-size:var(--text-xl);font-weight:600;color:var(--color-text);margin-top:var(--space-2xl);margin-bottom:var(--space-md);padding-bottom:var(--space-sm);border-bottom:1px solid var(--color-border);}.legal-page__content h3{font-size:var(--text-lg);font-weight:600;color:var(--color-text);margin-top:var(--space-xl);margin-bottom:var(--space-sm);}.legal-page__content p{font-size:var(--text-base);line-height:var(--leading-loose);color:var(--color-text);margin-bottom:var(--space-md);}.legal-page__content ul,.legal-page__content ol{padding-left:var(--space-lg);margin-bottom:var(--space-md);}.legal-page__content ul{list-style:disc;}.legal-page__content ol{list-style:decimal;}.legal-page__content li{font-size:var(--text-base);line-height:var(--leading-normal);color:var(--color-text);margin-bottom:var(--space-sm);}.legal-page__content a{color:var(--color-link);text-decoration:underline;text-underline-offset:2px;}.legal-page__content a:hover{color:var(--color-link-hover);}.contact-intro{font-size:var(--text-base);line-height:var(--leading-loose);color:var(--color-text);margin-bottom:var(--space-xl);}.contact-form__iframe{width:100%;min-height:900px;border:none;border-radius:var(--radius-md);background:var(--color-surface);}.contact-form__fallback{text-align:center;color:var(--color-text-muted);padding:var(--space-3xl) var(--space-lg);background:var(--color-bg-alt);border-radius:var(--radius-md);}@media (max-width:767px){.legal-page{padding:var(--space-lg) var(--space-md) var(--space-3xl);}.legal-page__title{font-size:var(--text-2xl);}.contact-form__iframe{min-height:700px;}h1{font-size:var(--text-2xl);}h2{font-size:var(--text-xl);}.article__summary{font-size:var(--text-base);}.error-page__title{font-size:var(--text-2xl);}.categories-overview__heading,.article-themes__heading{font-size:var(--text-xl);}.article-themes__pill{font-size:var(--text-xs);padding:var(--space-xs) var(--space-sm);}.article-themes__pills{gap:var(--space-xs);}.hero{padding:var(--space-lg) var(--space-md) var(--space-lg);}.hero__illustration{max-width:240px;margin-bottom:0;}.hero__title{font-size:var(--text-xl);}.hero__lead{font-size:var(--text-sm);}.categories-main{grid-template-columns:repeat(2,1fr);gap:var(--space-sm);}.category-card{padding:var(--space-md);}.category-card__name{font-size:var(--text-base);}.category-card__description{font-size:var(--text-xs);-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden;}.categories-sub__grid{grid-template-columns:repeat(3,1fr);gap:var(--space-xs);}.category-card--compact{padding:var(--space-sm) var(--space-md);}.category-card--compact .category-card__name{font-size:var(--text-sm);}.search-container{margin-top:var(--space-md);}.search-container__input{padding:var(--space-sm) var(--space-md);font-size:var(--text-sm);}}.related-category-link{margin-top:var(--space-xl);text-align:center;}.related-category-link__anchor{display:inline-block;padding:var(--space-sm) var(--space-lg);font-size:var(--text-base);color:var(--color-accent);background:var(--color-bg-alt);border:1px solid var(--color-accent);border-radius:var(--radius-sm);text-decoration:none;transition:background-color 0.2s ease,color 0.2s ease;}.related-category-link__anchor:hover{background:var(--color-accent);color:var(--color-bg);}.contact-form__fieldset{border:none;padding:0;margin:0 0 var(--space-lg);}.contact-form__legend{font-size:var(--text-sm);font-weight:600;color:var(--color-text);margin-bottom:var(--space-sm);}.contact-form__radios{display:flex;flex-wrap:wrap;gap:var(--space-md);}.contact-form__radio-label{display:flex;align-items:center;gap:var(--space-xs);font-size:var(--text-sm);color:var(--color-text);cursor:pointer;}.contact-form__group{margin-bottom:var(--space-lg);}.contact-form__label{display:block;font-size:var(--text-sm);font-weight:600;color:var(--color-text);margin-bottom:var(--space-sm);}.contact-form__textarea{width:100%;resize:vertical;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);padding:var(--space-sm) var(--space-md);font-size:var(--text-base);line-height:var(--leading-normal);font-family:inherit;box-sizing:border-box;}.contact-form__textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 2px rgba(var(--color-accent-rgb,59,130,246),0.15);}.contact-form__counter{text-align:right;font-size:var(--text-xs);color:var(--color-text-muted);margin-top:var(--space-xs);}.contact-form__submit{display:inline-block;padding:var(--space-sm) var(--space-xl);background:var(--color-accent);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:600;cursor:pointer;transition:background-color 0.2s;}.contact-form__submit:hover{opacity:0.9;}.contact-form__submit:disabled{opacity:0.5;cursor:not-allowed;}.contact-form__note{font-size:var(--text-xs);color:var(--color-text-muted);margin-top:var(--space-md);}.contact-form__sent{text-align:center;padding:var(--space-2xl) var(--space-lg);border:1px solid 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rgba(255,255,255,.2)}.sns-share__btn--x:hover{background:#1a1a1a}.sns-share__btn--hatena{background:#00a4de;color:#fff}.sns-share__btn--hatena:hover{background:#008bbf}.sns-share__btn--copy{background:rgba(255,255,255,.1);color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.2)}.sns-share__btn--copy:hover{background:rgba(255,255,255,.15)}.quiz-promo{margin-top:var(--space-2xl);padding:var(--space-xl) 0;}.quiz-promo__intro{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-md);flex-wrap:wrap;margin-bottom:var(--space-lg);}.quiz-promo__heading{font-size:var(--text-2xl);font-weight:800;color:var(--color-text);margin:0;letter-spacing:-0.01em;}.quiz-promo__lead{flex-basis:100%;margin:var(--space-xs) 0 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10px;background:var(--color-text);color:#fff;font-size:var(--text-xs);font-weight:700;border-radius:4px;letter-spacing:0.04em;}.quiz-promo__name{font-size:var(--text-lg);font-weight:700;line-height:1.4;color:var(--color-text);}.quiz-promo__meta{display:flex;flex-wrap:wrap;gap:var(--space-sm);margin-top:auto;}.quiz-promo__meta>span{display:inline-block;padding:2px 8px;font-size:var(--text-xs);color:var(--color-text-light);background:var(--color-bg-alt);border-radius:4px;font-variant-numeric:tabular-nums;}.quiz-promo__cta{font-size:var(--text-sm);font-weight:700;color:var(--color-accent);letter-spacing:0.005em;}.quiz-promo__card:hover .quiz-promo__cta{color:var(--color-accent-hover);}.quiz-promo__index-link{display:inline-block;margin-top:var(--space-sm);padding:0.4rem 0;font-size:var(--text-sm);font-weight:600;color:var(--color-text-muted);text-decoration:none;transition:color 0.15s ease;}.quiz-promo__index-link:hover{color:var(--color-text);}main{max-width:1080px;margin:0 auto;padding:var(--space-xl) var(--space-lg);}main>section+section{margin-top:var(--space-3xl);}.categories-main{display:grid;grid-template-columns:1fr;gap:var(--space-md);}.categories-sub__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-sm);}.service-list{display:grid;grid-template-columns:1fr;gap:var(--space-md);}.related-services__list{display:grid;grid-template-columns:1fr;gap:var(--space-md);}@media (min-width:768px){.categories-main{grid-template-columns:repeat(2,1fr);}.categories-sub__grid{grid-template-columns:repeat(3,1fr);}.service-list{grid-template-columns:repeat(2,1fr);}.related-services__list{grid-template-columns:repeat(2,1fr);}.site-nav__links{display:flex;}}@media (min-width:1024px){.categories-main{grid-template-columns:repeat(3,1fr);}.categories-sub__grid{grid-template-columns:repeat(4,1fr);}.service-list{grid-template-columns:repeat(3,1fr);}.related-services__list{grid-template-columns:repeat(3,1fr);}.site-nav__links{gap:var(--space-xl);}}[data-animate].is-visible{opacity:1 !important;transform:translateY(0) !important;}[data-animate].will-animate{opacity:0;transform:translateY(20px);transition:transform 0.6s ease,opacity 0.6s ease;will-change:transform,opacity;}.service-card:hover{transform:translateY(-2px);box-shadow:0 2px 8px rgba(255,153,0,0.12);}.category-card:hover{transform:translateY(-2px);box-shadow:0 2px 8px rgba(255,153,0,0.12);}:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px;}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px;}.search-container__input:focus-visible{outline:none;}@keyframes logo-bounce{0%,100%{transform:translateY(0);}50%{transform:translateY(-3px);}}@keyframes logo-flame-flicker{0%,100%{opacity:1;transform:scaleY(1);}50%{opacity:0.7;transform:scaleY(0.9);}}@keyframes logo-flame-color{0%,100%{fill:#ff9900;}33%{fill:#ff6600;}66%{fill:#ffcc00;}}.site-nav__logo{animation:logo-bounce 2.5s ease-in-out infinite;}.site-nav__logo-flame{transform-origin:16px 18px;animation:logo-flame-flicker 2s ease-in-out infinite,logo-flame-color 3s ease-in-out infinite;}@media (prefers-reduced-motion:reduce){[data-animate].will-animate{opacity:1;transform:none;transition:none;will-change:auto;}[data-animate].is-visible{opacity:1;transform:none;}.service-card,.category-card{transition:none;}.service-card:hover,.category-card:hover{transform:none;}a,.search-container__input,.amazon-inline-link,.error-page__link{transition:none;}.site-nav__logo{animation:none;}.site-nav__logo-flame{animation:none;}}.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;}.quiz-index{max-width:960px;margin:0 auto;padding:var(--space-xl) var(--space-md);}.quiz-index__header{margin-bottom:var(--space-xl);}.quiz-index__header h1{font-size:var(--text-3xl);font-weight:800;color:var(--color-text);letter-spacing:-0.01em;margin:0 0 var(--space-sm);}.quiz-index__header p{font-size:var(--text-base);color:var(--color-text-light);line-height:1.7;margin:0;}.quiz-exam-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--space-lg);}.quiz-exam-card{display:flex;flex-direction:column;background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:var(--space-lg);transition:border-color 0.2s ease,box-shadow 0.2s ease,transform 0.15s ease;}.quiz-exam-card:hover{border-color:var(--color-accent);box-shadow:0 8px 24px rgba(35,47,62,0.08);transform:translateY(-2px);}.quiz-exam-card__code{align-self:flex-start;display:inline-block;padding:3px 10px;background:var(--color-text);color:#fff;font-size:var(--text-xs);font-weight:700;letter-spacing:0.04em;border-radius:4px;margin-bottom:var(--space-md);}.quiz-exam-card__title{font-size:var(--text-lg);font-weight:700;color:var(--color-text);line-height:1.4;margin:0 0 var(--space-sm);}.quiz-exam-card__desc{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.6;margin:0 0 var(--space-md);flex-grow:1;}.quiz-exam-card__meta{display:flex;flex-wrap:wrap;gap:var(--space-sm);font-size:var(--text-xs);color:var(--color-text-light);margin-bottom:var(--space-md);}.quiz-exam-card__meta>span{display:inline-flex;align-items:center;padding:2px 8px;background:var(--color-bg-alt);border-radius:4px;}.quiz-exam-card__link{align-self:flex-start;display:inline-flex;align-items:center;gap:0.3rem;padding:0.5rem 1rem;font-size:var(--text-sm);font-weight:600;color:#fff;background:var(--color-text);border-radius:6px;text-decoration:none;transition:background-color 0.2s ease,transform 0.15s ease;}.quiz-exam-card__link:hover{background:var(--color-accent);color:#fff;transform:translateX(2px);}.quiz-page{max-width:880px;margin:0 auto;}.quiz-page__header{margin-bottom:var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border);}.quiz-page__header h1{font-size:var(--text-2xl);font-weight:700;color:var(--color-text);margin:var(--space-sm) 0;line-height:1.3;}.quiz-page__header p{font-size:var(--text-sm);color:var(--color-text-light);line-height:1.6;margin:0;}#quiz-app{min-height:400px;}.quiz-mode-selector{max-width:760px;margin:0 auto;padding:var(--space-md) 0;}.quiz-mode-selector__title{font-size:var(--text-xl);font-weight:700;color:var(--color-text);margin:0 0 var(--space-xs);text-align:center;}.quiz-mode-selector__desc{font-size:var(--text-sm);color:var(--color-text-light);line-height:1.7;margin:0 0 var(--space-md);text-align:center;}.quiz-mode-selector__last{display:inline-block;padding:4px 12px;background:var(--color-bg-alt);border-radius:9999px;font-size:var(--text-xs);color:var(--color-text-muted);margin:0 auto var(--space-lg);text-align:center;}.quiz-mode-selector__last+.quiz-mode-grid,.quiz-mode-selector__desc+.quiz-mode-grid{margin-top:var(--space-lg);}.quiz-mode-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-md);margin-top:var(--space-md);}.quiz-mode-btn{display:flex;flex-direction:column;align-items:flex-start;gap:0.35rem;padding:var(--space-md) var(--space-lg);border:1px solid var(--color-border);border-radius:10px;background:var(--color-surface);color:var(--color-text);cursor:pointer;transition:border-color 0.2s ease,box-shadow 0.2s ease,transform 0.15s ease;text-align:left;font-family:inherit;}.quiz-mode-btn:hover{border-color:var(--color-accent);box-shadow:0 6px 18px rgba(35,47,62,0.08);transform:translateY(-2px);}.quiz-mode-btn:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px;}.quiz-mode-btn strong{font-size:var(--text-base);font-weight:700;color:var(--color-text);line-height:1.3;}.quiz-mode-btn span{font-size:var(--text-xs);color:var(--color-text-light);line-height:1.5;}.quiz-history-chart{margin-top:var(--space-xl);padding:var(--space-lg);background:var(--color-bg-alt);border-radius:10px;}.quiz-history-chart h3{font-size:var(--text-sm);font-weight:600;color:var(--color-text-muted);margin:0 0 var(--space-md);letter-spacing:0.02em;}.quiz-history__bars{position:relative;height:100px;border-bottom:1px solid var(--color-border);}.quiz-history__bar{position:absolute;bottom:0;background:var(--color-accent);border-radius:2px 2px 0 0;transition:opacity 0.2s ease;}.quiz-history__bar:hover{opacity:0.75;}.quiz-question{display:block;}.quiz-aria-live{position:absolute;}.quiz-header{display:flex;align-items:center;gap:var(--space-md);flex-wrap:wrap;padding:var(--space-md) 0;margin-bottom:var(--space-lg);border-bottom:1px solid var(--color-border);}.quiz-progress{flex:1 1 220px;min-width:0;display:flex;align-items:center;gap:var(--space-sm);}.quiz-progress__text{font-size:var(--text-xs);font-weight:600;color:var(--color-text-muted);white-space:nowrap;font-variant-numeric:tabular-nums;}.quiz-progress__bar{flex:1;height:6px;background:var(--color-bg-alt);border-radius:3px;overflow:hidden;}.quiz-progress__fill{height:100%;background:var(--color-accent);border-radius:3px;transition:width 0.3s ease;}.quiz-timer{font-size:var(--text-sm);font-weight:700;color:var(--color-text);font-variant-numeric:tabular-nums;padding:0.25rem 0.6rem;background:var(--color-bg-alt);border-radius:6px;white-space:nowrap;}.quiz-timer--warning{color:#fff;background:#d13212;animation:quiz-pulse 1.2s ease-in-out infinite;}@keyframes quiz-pulse{0%,100%{opacity:1;}50%{opacity:0.7;}}.quiz-nav-toggle,.quiz-help-toggle{padding:0.35rem 0.75rem;font-size:var(--text-xs);font-weight:600;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;cursor:pointer;transition:border-color 0.2s ease,color 0.2s ease;font-family:inherit;}.quiz-help-toggle{width:2rem;height:2rem;padding:0;border-radius:50%;font-size:var(--text-base);font-weight:700;display:inline-flex;align-items:center;justify-content:center;}.quiz-nav-toggle:hover,.quiz-help-toggle:hover{border-color:var(--color-accent);color:var(--color-accent);}.quiz-navigator{margin-bottom:var(--space-lg);padding:var(--space-md);background:var(--color-bg-alt);border-radius:10px;}.quiz-navigator__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(36px,1fr));gap:6px;}.quiz-navigator__item{width:100%;aspect-ratio:1;display:inline-flex;align-items:center;justify-content:center;font-size:var(--text-xs);font-weight:600;color:var(--color-text-muted);background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;cursor:pointer;transition:border-color 0.15s ease,background-color 0.15s ease,color 0.15s ease;font-family:inherit;font-variant-numeric:tabular-nums;}.quiz-navigator__item:hover{border-color:var(--color-accent);}.quiz-navigator__item--current{background:var(--color-text);color:#fff;border-color:var(--color-text);}.quiz-navigator__item--answered{background:var(--color-bg);color:var(--color-text);border-color:var(--color-text-light);}.quiz-navigator__item--correct{background:#e8f5e9;color:#2e7d32;border-color:#66bb6a;}.quiz-navigator__item--incorrect{background:#fdecea;color:#c0392b;border-color:#e57373;}.quiz-help-panel{margin-bottom:var(--space-lg);padding:var(--space-md) var(--space-lg);background:var(--color-bg-alt);border-radius:10px;font-size:var(--text-sm);color:var(--color-text-muted);}.quiz-help-panel p{margin:0.4rem 0;line-height:1.6;}.quiz-help-panel kbd{display:inline-block;padding:1px 6px;margin:0 2px;font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,monospace;font-size:0.85em;background:var(--color-surface);border:1px solid var(--color-border);border-bottom-width:2px;border-radius:4px;color:var(--color-text);}.quiz-question__body{margin-bottom:var(--space-xl);}.quiz-question__meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md);}.quiz-question__domain{display:inline-block;padding:3px 10px;font-size:var(--text-xs);font-weight:600;color:var(--color-text-muted);background:var(--color-bg-alt);border-radius:4px;letter-spacing:0.02em;}.quiz-bookmark-btn{width:2rem;height:2rem;padding:0;font-size:var(--text-lg);color:var(--color-text-light);background:transparent;border:none;border-radius:6px;cursor:pointer;transition:color 0.2s ease,background-color 0.2s ease;font-family:inherit;line-height:1;}.quiz-bookmark-btn:hover{background:var(--color-bg-alt);color:var(--color-accent);}.quiz-bookmark-btn--active{color:var(--color-accent);}.quiz-question__text{font-size:var(--text-lg);font-weight:600;color:var(--color-text);line-height:1.6;margin:0 0 var(--space-lg);letter-spacing:-0.005em;}.quiz-question__text:focus{outline:none;}.quiz-question__multi{display:inline-block;padding:1px 8px;margin-left:0.5rem;font-size:var(--text-xs);font-weight:600;color:var(--color-text-muted);background:var(--color-bg-alt);border-radius:4px;vertical-align:middle;}.quiz-choices{display:flex;flex-direction:column;gap:var(--space-sm);}.quiz-choice{display:flex;align-items:flex-start;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;color:var(--color-text);text-align:left;cursor:pointer;transition:border-color 0.15s ease,background-color 0.15s ease,transform 0.1s ease;font-family:inherit;font-size:var(--text-base);line-height:1.6;width:100%;}.quiz-choice:hover{border-color:var(--color-accent);background:var(--color-sand-light);}.quiz-choice:active{transform:scale(0.998);}.quiz-choice:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px;}.quiz-choice--selected{border-color:var(--color-accent);background:#fff7e6;}.quiz-choice--correct{border-color:#66bb6a;background:#e8f5e9;color:#1b5e20;}.quiz-choice--incorrect{border-color:#e57373;background:#fdecea;color:#b71c1c;}.quiz-choice--locked,.quiz-choice[aria-disabled="true"]{cursor:default;pointer-events:none;}.quiz-choice__letter{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;font-weight:700;font-size:var(--text-sm);color:var(--color-text-muted);background:var(--color-bg-alt);border-radius:6px;font-variant-numeric:tabular-nums;}.quiz-choice--selected .quiz-choice__letter{background:var(--color-accent);color:#fff;}.quiz-choice--correct .quiz-choice__letter{background:#66bb6a;color:#fff;}.quiz-choice--incorrect .quiz-choice__letter{background:#e57373;color:#fff;}.quiz-choice__text{flex:1;padding-top:0.3rem;}.quiz-explanation{margin-top:var(--space-lg);padding:var(--space-lg);border-radius:10px;border-left:4px solid;background:var(--color-bg-alt);}.quiz-explanation--correct{border-left-color:#2e7d32;background:#f1f8e9;}.quiz-explanation--incorrect{border-left-color:#c0392b;background:#fdecea;}.quiz-explanation__verdict{font-size:var(--text-base);font-weight:700;margin:0 0 var(--space-sm);}.quiz-explanation--correct .quiz-explanation__verdict{color:#2e7d32;}.quiz-explanation--incorrect .quiz-explanation__verdict{color:#c0392b;}.quiz-explanation__text{font-size:var(--text-sm);color:var(--color-text);line-height:1.7;margin:0 0 var(--space-sm);}.quiz-explanation__wrong{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.7;margin:0 0 var(--space-sm);}.quiz-explanation__wrong strong{color:var(--color-text);}.quiz-explanation__answer{font-size:var(--text-sm);font-weight:600;color:var(--color-text-muted);margin:var(--space-sm) 0 0;padding-top:var(--space-sm);border-top:1px solid var(--color-border);}.quiz-actions{display:flex;gap:var(--space-sm);align-items:center;justify-content:space-between;flex-wrap:wrap;padding-top:var(--space-md);border-top:1px solid var(--color-border);}.quiz-btn{display:inline-flex;align-items:center;justify-content:center;gap:0.4rem;padding:0.65rem 1.4rem;font-size:var(--text-sm);font-weight:600;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;cursor:pointer;transition:border-color 0.15s ease,background-color 0.15s ease,color 0.15s ease,transform 0.1s ease;font-family:inherit;white-space:nowrap;}.quiz-btn:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent);}.quiz-btn:active:not(:disabled){transform:scale(0.98);}.quiz-btn:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px;}.quiz-btn:disabled{opacity:0.45;cursor:not-allowed;}.quiz-btn--submit,.quiz-btn--finish,.quiz-btn--results{background:var(--color-text);color:#fff;border-color:var(--color-text);}.quiz-btn--submit:hover:not(:disabled),.quiz-btn--finish:hover:not(:disabled),.quiz-btn--results:hover:not(:disabled){background:var(--color-accent);color:#fff;border-color:var(--color-accent);}.quiz-btn--retry{background:var(--color-accent);color:#fff;border-color:var(--color-accent);}.quiz-btn--retry:hover:not(:disabled){background:var(--color-accent-hover);color:#fff;border-color:var(--color-accent-hover);}.quiz-results{max-width:720px;margin:0 auto;padding:var(--space-md) 0;text-align:center;}.quiz-results__title{font-size:var(--text-2xl);font-weight:800;color:var(--color-text);margin:0 0 var(--space-lg);letter-spacing:-0.01em;}.quiz-results__score{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);padding:var(--space-xl) var(--space-lg);margin-bottom:var(--space-xl);background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;}.quiz-results__percent{font-size:4rem;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-0.02em;}.quiz-results__percent--pass{color:#2e7d32;}.quiz-results__percent--fail{color:#c0392b;}.quiz-results__detail{font-size:var(--text-base);font-weight:600;color:var(--color-text);font-variant-numeric:tabular-nums;}.quiz-results__time,.quiz-results__passing{font-size:var(--text-sm);color:var(--color-text-light);font-variant-numeric:tabular-nums;}.quiz-results__domains{margin-bottom:var(--space-xl);text-align:left;}.quiz-results__domains h3{font-size:var(--text-base);font-weight:700;color:var(--color-text);margin:0 0 var(--space-md);text-align:center;}.quiz-results__domain{display:grid;grid-template-columns:1fr 2fr auto;align-items:center;gap:var(--space-md);padding:var(--space-sm) 0;border-bottom:1px solid var(--color-border);}.quiz-results__domain:last-child{border-bottom:none;}.quiz-results__domain-name{font-size:var(--text-sm);color:var(--color-text);}.quiz-results__domain-bar{height:8px;background:var(--color-bg-alt);border-radius:4px;overflow:hidden;}.quiz-results__domain-fill{height:100%;background:var(--color-accent);border-radius:4px;transition:width 0.6s ease;}.quiz-results__domain-pct{font-size:var(--text-xs);font-weight:600;color:var(--color-text-muted);font-variant-numeric:tabular-nums;white-space:nowrap;}.quiz-results__actions{display:flex;gap:var(--space-sm);justify-content:center;flex-wrap:wrap;}.quiz--fade-in{animation:quiz-fade-in 0.3s ease;}.quiz--fade-out{opacity:0;transform:translateX(-12px);transition:opacity 0.18s ease,transform 0.18s ease;}@keyframes quiz-fade-in{from{opacity:0;transform:translateX(12px);}to{opacity:1;transform:translateX(0);}}@media (prefers-reduced-motion:reduce){.quiz--fade-in,.quiz--fade-out,.quiz-progress__fill,.quiz-results__domain-fill,.quiz-history__bar,.quiz-timer--warning{animation:none !important;transition:none !important;}}@media (max-width:600px){.quiz-index{padding:var(--space-lg) var(--space-sm);}.quiz-page__header h1{font-size:var(--text-xl);}.quiz-question__text{font-size:var(--text-base);}.quiz-results__percent{font-size:3rem;}.quiz-results__domain{grid-template-columns:1fr;gap:var(--space-xs);}.quiz-actions{justify-content:stretch;}.quiz-actions .quiz-btn{flex:1;}.quiz-choice{padding:var(--space-sm) var(--space-md);}.quiz-choice__letter{width:1.75rem;height:1.75rem;}.quiz-history-chart{padding:var(--space-md);}}