:root{--paper:#f8f9fc;--white:#fff;--ink:#19263c;--muted:#5b687e;--line:#dfe4ed;--blue:#304bb3;--blue-hover:#243b94;--soft:#edf1ff;--mint:#eaf3e8;--mint-ink:#35604a;--peach:#f9ece2;--peach-ink:#854729;--lavender:#eeebf8;--radius:16px;--shadow:0 12px 30px #24345208;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;font-size:18px;line-height:1.65;word-break:keep-all;overflow-wrap:anywhere}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button,input,select{color:inherit}button{background:none;border:0}a,button,input,select{outline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #657ade}a:hover{color:var(--blue)}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.4}h1{font-size:41px;letter-spacing:-1.5px;line-height:1.3}h2{font-size:27px;letter-spacing:-.8px}h3{font-size:19px;letter-spacing:-.35px}svg{display:block;width:24px;height:24px;flex-shrink:0}.container{max-width:1176px;padding:0 28px;margin:0 auto}.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}.skip-link{position:fixed;top:-100px;left:16px;z-index:100;background:var(--blue);color:#fff;padding:12px 20px;border-radius:8px}.skip-link:focus{top:10px;color:#fff}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;border-radius:10px;padding:11px 23px;font-size:17px;font-weight:700;border:1px solid var(--line);white-space:nowrap}.button.primary{background:var(--blue);color:white;border-color:var(--blue)}.button.primary:hover{background:var(--blue-hover);color:white}.button.secondary{background:white}.text-link{color:var(--blue);font-weight:650;font-size:17px;display:inline-flex;align-items:center;gap:10px;min-height:44px}.text-button{font-size:16px;color:var(--muted);text-decoration:underline;text-underline-offset:4px;padding:8px;min-height:44px}.icon-button{width:44px;height:44px;font-size:32px;line-height:1;border-radius:50%;background:#f2f4f8}.eyebrow{font-size:16px;font-weight:750;color:var(--blue);letter-spacing:.3px;margin-bottom:12px;display:flex;align-items:center;gap:8px}.tiny-dot{display:inline-block;width:7px;height:7px;background:var(--blue);border-radius:50%}.site-header{height:90px;background:#fff;border-bottom:1px solid var(--line)}.header-inner{max-width:1176px;margin:auto;display:flex;align-items:center;gap:56px;height:100%;padding:0 28px}.brand{display:inline-flex;align-items:center;gap:9px;font-size:27px;font-weight:850;letter-spacing:-1px;line-height:1.1;flex-shrink:0}.brand-icon{width:37px;height:43px;border-radius:9px;background:var(--blue);color:#fff;display:grid;place-items:center;transform:rotate(-4deg)}.brand-icon svg{width:29px;height:29px}.brand small{display:block;font-size:12px;letter-spacing:2.2px;font-weight:700;color:#626f85;margin-top:7px}.header-inner nav{display:flex;align-items:center;gap:30px}.header-inner nav a{font-size:17px;display:flex;align-items:center;min-height:44px;font-weight:650}.header-inner nav a[aria-current]{color:var(--blue)}.nav-divider{height:14px;width:1px;background:var(--line);margin:0 -9px}.header-search{margin-left:auto;font-size:16px;color:var(--muted);display:flex;align-items:center;gap:6px;min-height:44px;flex-shrink:0}.header-search svg{width:19px;height:19px}.hero{background:#f8f8f3;border-bottom:1px solid #eceee6;padding:64px 0 56px}.hero-layout{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:65px;align-items:center}.hero-main h1{font-size:46px;line-height:1.4;letter-spacing:-2px;font-weight:780}.hero-main h1 span{color:var(--blue)}.hero-description{color:var(--muted);font-size:18px;line-height:1.8;margin-top:16px}.search-form{margin-top:28px;display:flex;align-items:center;gap:12px;background:#fff;border:1.5px solid #aab6d7;border-radius:13px;padding:7px 7px 7px 19px;box-shadow:0 6px 18px #293f9510;max-width:720px}.search-form:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px #304bb312}.search-form>svg{color:#626f85;width:23px;height:23px}.search-form input{width:100%;min-width:0;border:0;background:transparent;outline:none!important;font-size:18px;height:43px}.search-form input::placeholder{color:#626f85}.search-form .button{min-height:46px;min-width:74px;padding:10px 20px}.search-examples{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:13px;font-size:16px}.search-examples>span{color:#717b8a;margin-right:4px}.search-examples a{border-bottom:1px solid #cfd5e1;color:#52617d;line-height:1.8}.hero-proof{display:flex;gap:14px;align-items:center;margin-top:30px;font-size:16px;color:var(--muted)}.hero-proof b{color:var(--ink);font-variant-numeric:tabular-nums}.proof-divider{height:10px;width:1px;background:#ccd0d7}.hero-guide{border-left:1px solid #dbdfd7;padding-left:35px;align-self:stretch;padding-top:10px}.guide-illustration{height:132px;position:relative;width:185px;margin:0 auto 12px}.illustration-book{position:absolute;left:38px;top:4px;transform:rotate(-9deg);background:#cfdca7;border:1px solid #bdca96;border-left:8px solid #a8be79;box-shadow:7px 9px 0 #e6e8d9;width:93px;height:113px;border-radius:3px 9px 9px 3px;padding:15px 8px 7px 9px;font-size:18px;color:#334b28;line-height:1.5}.illustration-book b{font-size:18px}.illustration-book small{display:block;font-size:11px;margin-top:10px;letter-spacing:.6px}.illustration-sheet{position:absolute;left:102px;top:32px;transform:rotate(8deg);width:65px;height:91px;background:#fff;border:1px solid #d4dbd0;border-radius:4px;box-shadow:4px 5px 0 #dfe4d6;padding:20px 10px}.illustration-sheet>span{display:block;height:2px;background:#dde3d5;margin-bottom:10px}.illustration-sheet>i{position:absolute;bottom:8px;right:12px;font-size:27px;color:#657c36;font-style:normal}.illustration-spark{position:absolute;left:5px;top:24px;color:#9aaa64;font-size:27px}.guide-title{font-weight:750;line-height:1.5;font-size:21px;letter-spacing:-.5px}.hero-guide ol{padding:0;margin:15px 0 0;list-style:none;font-size:16px;color:#5b6875}.hero-guide li{display:flex;gap:10px;align-items:center;padding:5px 0;white-space:nowrap}.hero-guide li>span{font-size:14px;color:#626f85;font-weight:750;font-variant-numeric:tabular-nums}.hero-guide li b{font-size:18px;color:var(--blue)}.home-content{padding-top:30px;padding-bottom:64px}.level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.level-card{display:flex;align-items:center;gap:15px;position:relative;padding:21px 22px;border:1px solid transparent;border-radius:13px;transition:transform .15s}.level-card:hover{transform:translateY(-2px);border-color:#b3bfd6}.mint{background:var(--mint);color:var(--mint-ink)}.blue{background:#eaf0fb;color:#365588}.peach{background:var(--peach);color:var(--peach-ink)}.lavender{background:var(--lavender);color:#67578f}.level-card h2{font-size:20px;letter-spacing:-.5px}.level-card p{font-size:16px;margin-top:2px}.level-card small{display:block;font-size:15px;margin-top:6px;opacity:.85}.level-card-icon{font-family:Georgia,serif;font-size:32px;opacity:.45;letter-spacing:-2px}.level-arrow{font-size:23px;margin-left:auto;align-self:flex-start}.home-books{margin-top:51px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px}.section-heading .eyebrow{margin-bottom:6px;font-size:15px;color:#69768b}.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.book-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:19px 19px 0;box-shadow:var(--shadow);min-width:0;display:flex;flex-direction:column;transition:border-color .15s,box-shadow .15s}.book-card:hover{border-color:#b7c2db;box-shadow:0 9px 22px #2434520d}.card-top{display:flex;align-items:center;gap:8px;font-size:15px;min-width:0}.level-badge{padding:3px 7px;border-radius:5px;font-size:14px;font-weight:750;white-space:nowrap}.publisher-label{color:#68748a;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.compare-check{display:inline-flex;align-items:center;gap:5px;min-height:28px;cursor:pointer;font-size:15px;color:#637087;margin-left:auto;white-space:nowrap}.compare-check input{appearance:none;-webkit-appearance:none;margin:0;width:15px;height:15px;min-width:15px;border:1px solid #aab5c8;border-radius:4px;display:grid;place-content:center;cursor:pointer}.compare-check input:checked{background:var(--blue);border-color:var(--blue)}.compare-check input:checked:after{content:"✓";color:#fff;font-size:15px;font-weight:800;line-height:1}.card-main{display:flex;gap:13px;align-items:flex-start;margin:16px 0 21px;flex:1}.card-main>div{min-width:0}.book-symbol{display:flex;align-items:flex-start;justify-content:center;position:relative;width:45px;min-width:45px;height:62px;padding-top:15px;font-size:14px;font-weight:750;border-radius:3px 7px 7px 3px;border-left:4px solid #6b7eaa70;box-shadow:2px 2px 0 #182b4d07}.book-symbol i{position:absolute;left:9px;right:8px;bottom:15px;height:2px;background:currentColor;opacity:.24}.book-symbol i:after{content:"";position:absolute;left:0;right:7px;top:5px;height:2px;background:currentColor}.book-card h3{font-size:18px;line-height:1.5;font-weight:720;letter-spacing:-.4px;min-height:45px}.book-card h3 a{display:block}.card-meta{font-size:15px;color:#66738a;margin-top:8px;line-height:1.6}.card-edition{font-size:14px;color:#626f85;margin-top:4px;line-height:1.6}.card-bottom{border-top:1px solid #edf0f5;padding:12px 0;display:flex;align-items:center;justify-content:space-between;gap:5px;font-size:14px}.confirmed{color:#3b6956;font-size:15px;white-space:nowrap}.confirmed>span{display:inline-block;font-size:15px;font-weight:800;margin-right:3px}.detail-link{color:var(--blue);font-weight:650;font-size:15px;display:inline-flex;gap:5px;align-items:center;min-height:26px;white-space:nowrap}.publisher-section{margin-top:46px;padding-top:35px;border-top:1px solid var(--line)}.publisher-chips{display:flex;flex-wrap:wrap;gap:9px}.publisher-chips a{display:flex;align-items:center;gap:15px;padding:9px 15px;border:1px solid var(--line);background:white;border-radius:8px;font-size:16px;min-height:44px}.publisher-chips a:hover{border-color:#aab8d6}.publisher-chips span{font-size:15px;color:#626f85}.edition-tip{display:flex;align-items:center;gap:17px;padding:23px 26px;border:1px solid #e4e5d9;border-radius:12px;background:#f1f2e9;margin-top:40px}.tip-icon{width:32px;height:32px;flex-shrink:0;display:grid;place-items:center;background:#e2e6d5;border-radius:50%;color:#657043;font-weight:800}.edition-tip h2{font-size:18px;letter-spacing:-.3px}.edition-tip p{font-size:16px;color:#67705e;margin-top:4px}.edition-tip .text-link{margin-left:auto;flex-shrink:0;font-size:16px}.site-footer{border-top:1px solid var(--line);background:#f1f3f7;padding:37px 0 42px;color:#6d788c}.footer-inner{display:flex;justify-content:space-between;gap:35px}.footer-brand{font-size:22px;letter-spacing:-.8px;color:#536078;font-weight:800;display:flex;gap:11px;align-items:baseline}.footer-brand span{font-size:12px;letter-spacing:.7px;font-weight:650}.footer-inner p{font-size:15px;margin-top:7px;line-height:1.9}.footer-copy nav{display:flex;gap:22px;font-size:15px;min-height:24px}.footer-copy p{font-size:14px}.breadcrumbs{display:flex;align-items:center;gap:10px;color:#626f85;font-size:15px;margin-bottom:25px}.breadcrumbs a{min-height:32px;display:flex;align-items:center}.search-page{padding-top:26px;padding-bottom:72px;min-height:75vh}.search-heading{display:flex;justify-content:space-between;gap:25px;align-items:flex-end}.search-heading h1{font-size:36px}.search-heading p:not(.eyebrow){font-size:16px;color:var(--muted);margin-top:10px}.search-total{font-size:15px;color:var(--muted);display:flex;flex-direction:column;flex-shrink:0;gap:4px;padding-bottom:2px}.search-total b{font-size:18px;color:var(--blue);font-variant-numeric:tabular-nums}.search-page>.search-form{margin-top:24px;max-width:none;box-shadow:none}.filter-panel{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;margin-top:18px;padding:18px}.filter-field{display:flex;flex-direction:column;gap:7px;flex:1;min-width:112px}.filter-field>span{font-size:15px;font-weight:700;color:#67748c}.filter-field select,.sort-field select{min-height:42px;border:1px solid #d7dfea;border-radius:7px;padding:8px 27px 8px 10px;width:100%;font-size:16px;background:#fff;max-width:100%}.reset-filters{white-space:nowrap;text-decoration:none;margin-bottom:0;padding:0 4px;color:#718097;font-size:15px}.filter-explanation{font-size:15px;color:#626f85;margin:9px 0 0}.results-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:31px 0 16px}.results-heading h2{font-size:21px}.results-heading p{font-size:16px;color:#6d7b92;margin-top:5px}.sort-field{font-size:15px;color:#626f85;display:flex;align-items:center;gap:9px}.sort-field select{width:140px;min-height:38px}.active-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.active-filters:empty{margin:0}.active-filter{display:flex;align-items:center;gap:7px;border:1px solid #dbe2f5;background:#edf1fd;padding:6px 10px;border-radius:7px;font-size:15px;color:#405990;min-height:34px}.active-filter span{color:#626f85}.empty-state,.loading-state{grid-column:1/-1;background:#fff;border:1px solid var(--line);border-radius:15px;text-align:center;padding:58px 22px}.empty-state h2{font-size:23px}.empty-state p{color:var(--muted);font-size:16px;margin-top:10px}.empty-state .button{margin-top:22px}.loading-state{color:var(--muted);display:flex;justify-content:center;align-items:center;gap:12px;min-height:200px}.loading-dot{width:10px;height:10px;border-radius:50%;background:var(--blue);animation:pulse 1s infinite alternate}.pagination{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:30px;flex-wrap:wrap}.pagination a,.pagination button,.pagination span{display:flex;align-items:center;justify-content:center;min-width:39px;min-height:42px;border-radius:7px;font-size:16px;padding:5px 9px}.pagination a,.pagination button{background:white;border:1px solid var(--line)}.pagination a[aria-current],.pagination button[aria-current]{background:var(--blue);border-color:var(--blue);color:white}.pagination span{color:#626f85;min-width:15px;padding:0}.compare-bar{position:fixed;z-index:20;bottom:20px;left:50%;transform:translateX(-50%);background:#1c2c4a;color:white;box-shadow:0 8px 30px #12213e35;border:1px solid #405275;border-radius:14px;padding:13px 17px;display:flex;align-items:center;gap:25px;width:max-content;max-width:calc(100% - 28px)}.compare-bar>div{display:flex;flex-direction:column;font-size:16px;gap:2px}.compare-bar>div>span{font-size:14px;color:#c3cde1}.compare-bar .button{background:#e8edff;color:#263b85;border-color:#e8edff;font-size:16px;min-height:42px;padding:9px 17px}.compare-bar .text-button{color:#dce3f2;font-size:15px}.compare-bar:not([hidden])~*{}.site-footer:has(~.compare-bar:not([hidden])){padding-bottom:115px}dialog{padding:28px;border-radius:18px;border:1px solid var(--line);width:min(1000px,calc(100% - 32px));max-height:90vh;color:var(--ink);box-shadow:0 25px 80px #14274435}dialog::backdrop{background:#15213b80;backdrop-filter:blur(2px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:25px}.dialog-head h2{font-size:27px}.dialog-head .eyebrow{margin-bottom:5px}.comparison-scroll{overflow-x:auto}.comparison-table{border-collapse:collapse;width:100%;font-size:16px;table-layout:fixed;min-width:570px}.comparison-table th,.comparison-table td{padding:15px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}.comparison-table thead th{background:#f4f6fb}.comparison-table th:first-child{width:110px;font-size:15px;color:#60708b;font-weight:650}.comparison-table thead a{font-size:17px;color:var(--blue);font-weight:750}.comparison-table td .button{font-size:15px;padding:8px 10px;white-space:normal;min-height:42px}.dialog-note{color:#626f85;font-size:15px;margin-top:18px}.detail-page{padding-top:26px;padding-bottom:60px}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 305px;gap:60px;align-items:start}.detail-layout h1{font-size:37px;line-height:1.45}.detail-subtitle{font-size:17px;color:var(--muted);margin-top:15px}.detail-status{display:flex;gap:15px;align-items:center;font-size:15px;color:#626f85;margin-top:17px}.detail-status .confirmed{background:#edf4ef;border:1px solid #e0e9e3;padding:5px 9px;border-radius:6px}.book-information{margin-top:35px}.book-information .section-heading{margin-bottom:15px}.book-information h2,.how-to h2{font-size:23px}.detail-compare{font-size:16px;min-height:44px}.book-information dl{display:grid;grid-template-columns:120px minmax(0,1fr);margin:0;border-top:2px solid #d4dce8}.book-information dt,.book-information dd{padding:13px 8px;margin:0;border-bottom:1px solid var(--line);font-size:16px}.book-information dt{color:#6f7e94}.book-information dd{font-weight:550;overflow-wrap:anywhere}.metadata-note{font-size:15px;color:#626f85;line-height:1.9;margin-top:17px}.official-panel{background:#fff;border:1px solid #d4deef;border-radius:18px;padding:26px;box-shadow:0 12px 35px #20365c06;margin-top:10px}.panel-icon{display:grid;place-items:center;background:#edf1ff;color:var(--blue);font-size:27px;width:43px;height:43px;border-radius:11px;margin-bottom:24px}.official-panel h2{font-size:25px;line-height:1.5;letter-spacing:-.7px}.official-panel>p:not(.eyebrow){color:var(--muted);font-size:16px;margin-top:12px}.official-panel>.button{margin-top:24px;width:100%;font-size:16px;padding:11px 13px;white-space:normal}.official-host{display:block;font-size:14px;color:#626f85;text-align:center;margin-top:8px;word-break:break-all}.official-panel .login-note{font-size:15px!important;background:#f4f6fa;border-radius:8px;padding:12px;margin-top:19px!important}.panel-footnote{border-top:1px solid var(--line);margin-top:19px;padding-top:15px;font-size:14px;color:#626f85;line-height:1.9}.how-to{margin-top:35px}.how-to ol{padding:0;margin:20px 0 0;list-style:none;counter-reset:step}.how-to li{display:grid;grid-template-columns:28px 1fr;gap:3px 10px;margin-bottom:19px;counter-increment:step}.how-to li:before{content:counter(step,decimal-leading-zero);color:#7383a8;background:#edf1f8;border-radius:5px;width:25px;height:25px;display:grid;place-items:center;font-size:14px;font-weight:750;grid-row:span 2}.how-to b{font-size:16px}.how-to span{font-size:16px;color:#718097}.related-section{margin-top:50px}.publisher-page{padding-top:26px;padding-bottom:65px;min-height:65vh}.publisher-page h1{font-size:37px}.page-intro{font-size:17px;color:var(--muted);margin-top:13px}.publisher-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin-top:30px}.publisher-card{border:1px solid var(--line);background:#fff;border-radius:14px;display:flex;align-items:center;gap:16px;padding:22px}.publisher-card:hover{border-color:#aab8d6}.publisher-card h2{font-size:20px}.publisher-card p{font-size:15px;color:var(--muted);margin-top:4px}.publisher-card>span:last-child{margin-left:auto;color:var(--blue);font-size:23px}.publisher-monogram{width:44px;height:50px;border-radius:5px 10px 10px 5px;background:#eff2f9;border-left:3px solid #c2cce4;color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:22px}.publisher-page>.button{margin-top:23px}.publisher-book-list{padding:0;margin:29px 0 0;list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.publisher-book-list li:not(:last-child){border-bottom:1px solid var(--line)}.publisher-book-list a{display:grid;grid-template-columns:1fr auto;gap:5px 20px;padding:18px 23px}.publisher-book-list strong{font-size:17px;font-weight:650}.publisher-book-list span{font-size:15px;color:var(--muted)}.publisher-book-list i{grid-column:2;grid-row:1/3;align-self:center;font-style:normal;color:var(--blue)}.prose{max-width:850px;padding-top:26px;padding-bottom:70px;min-height:70vh}.prose h1{margin-bottom:26px}.prose h2{font-size:23px;margin:30px 0 12px}.prose>p{color:var(--muted);font-size:17px;line-height:1.95}.prose>.button{margin-top:30px}.error-page{border:0;border-radius:0;min-height:60vh;background:transparent;padding-top:100px}.error-page .eyebrow{justify-content:center}
@keyframes pulse{from{opacity:.35}to{opacity:1}}
@media(min-width:1400px){.hero-main h1{font-size:48px}.hero{padding-top:75px;padding-bottom:66px}}
@media(max-width:1050px){.hero-layout{gap:35px;grid-template-columns:minmax(0,1fr) 225px}.hero-main h1{font-size:39px}.hero-guide{padding-left:24px}.header-inner{gap:35px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.level-card{padding:19px 16px;gap:11px}.level-card-icon{font-size:24px}.level-card h2{font-size:18px}.detail-layout{gap:30px;grid-template-columns:minmax(0,1fr) 290px}.filter-field{min-width:120px}}
@media(max-width:760px){.container{padding-left:20px;padding-right:20px}.site-header{height:auto}.header-inner{height:auto;min-height:77px;flex-wrap:wrap;gap:0;padding:17px 20px 0}.brand{font-size:25px}.brand-icon{width:33px;height:39px}.brand small{font-size:11px}.header-search{margin-left:auto}.header-inner nav{order:3;width:100%;gap:27px;border-top:1px solid #f0f2f6;margin-top:15px;justify-content:flex-start}.header-inner nav a{font-size:16px;min-height:44px}.nav-divider{margin:0 -12px}.hero{padding:34px 0 32px}.hero-layout{display:block}.hero-main h1{font-size:37px;line-height:1.4;letter-spacing:-1.6px}.hero-description{font-size:16px;line-height:1.85;margin-top:14px}.hero-guide{display:none}.eyebrow{font-size:15px;margin-bottom:12px}.search-form{margin-top:23px;padding:5px 5px 5px 13px;gap:8px;border-radius:11px}.search-form>svg{width:20px;height:20px}.search-form input{font-size:18px;height:42px}.search-form .button{font-size:16px;padding:10px 16px;min-width:62px;min-height:44px}.search-examples{font-size:15px;gap:8px;margin-top:13px}.search-examples>span{font-size:14px;margin-right:2px}.hero-proof{font-size:14px;gap:10px;flex-wrap:wrap;margin-top:24px}.home-content{padding-top:22px;padding-bottom:38px}.level-grid{gap:8px}.level-card{padding:15px 10px;display:block;border-radius:10px}.level-card h2{font-size:17px}.level-card p{font-size:14px;line-height:1.5;margin-top:5px;min-height:30px}.level-card small{font-size:14px;margin-top:5px}.level-card-icon{display:none}.level-arrow{position:absolute;right:9px;top:8px;font-size:18px;opacity:.6}.home-books{margin-top:34px}.section-heading{gap:10px;margin-bottom:16px}.section-heading h2{font-size:23px}.section-heading .eyebrow{font-size:14px}.text-link{font-size:15px;gap:6px}.book-card{padding:17px 17px 0;border-radius:13px}.book-card h3{font-size:18px}.card-meta{font-size:15px}.card-edition{font-size:15px}.publisher-section{margin-top:30px;padding-top:26px}.publisher-chips{gap:7px}.publisher-chips a{font-size:16px;padding:9px 12px;gap:10px}.publisher-chips span{font-size:14px}.edition-tip{padding:20px 17px;gap:11px;align-items:flex-start;flex-wrap:wrap;margin-top:28px}.edition-tip>div{flex:1;min-width:0}.edition-tip h2{font-size:17px}.edition-tip p{font-size:15px;margin-top:5px;line-height:1.8}.edition-tip .text-link{margin-left:43px;margin-top:-5px;min-height:28px}.tip-icon{width:29px;height:29px;font-size:16px}.site-footer{padding:28px 0}.footer-inner{display:block}.footer-copy{margin-top:23px}.footer-brand{font-size:21px}.footer-copy nav{gap:23px;font-size:15px}.footer-inner p{font-size:14px}.search-page{padding-top:17px;padding-bottom:42px}.breadcrumbs{font-size:14px;margin-bottom:18px;gap:8px}.search-heading{display:block}.search-heading h1{font-size:31px}.search-heading p:not(.eyebrow){font-size:16px}.search-total{display:none}.filter-panel{padding:14px;gap:13px 10px;margin-top:15px}.filter-field{flex:1 1 calc(50% - 10px);min-width:0}.filter-field:last-of-type{flex-basis:calc(50% - 10px);flex-grow:0}.filter-field>span{font-size:14px}.filter-field select{min-height:44px;font-size:16px}.reset-filters{flex:1 1 calc(50% - 10px);min-height:44px;text-align:right;padding-right:8px}.filter-explanation{font-size:14px;line-height:1.8}.results-heading{margin-top:25px;gap:10px}.results-heading h2{font-size:20px}.results-heading p{font-size:15px}.sort-field{font-size:0;gap:0}.sort-field select{width:124px;min-height:42px;font-size:15px}.active-filter{font-size:14px;min-height:34px}.compare-bar{bottom:10px;gap:10px;padding:10px 12px;border-radius:11px}.compare-bar>div>span{display:none}.compare-bar>div{font-size:15px;white-space:nowrap}.compare-bar .button{font-size:15px;min-height:40px;padding:8px 11px}.compare-bar .text-button{font-size:14px;padding:6px}.detail-page{padding-top:17px;padding-bottom:35px}.detail-layout{display:flex;flex-direction:column;gap:27px}.detail-layout>article{display:contents}.detail-layout h1{font-size:30px;line-height:1.5;order:1}.detail-layout>article>.eyebrow{order:0;margin:0}.detail-subtitle{order:2;margin-top:-15px;font-size:16px}.detail-status{order:3;margin-top:-12px;flex-wrap:wrap;gap:9px}.official-panel{order:4;margin:0;width:100%;padding:21px;border-radius:14px}.book-information{order:5;margin-top:0;width:100%}.how-to{order:6;width:100%;margin-top:0}.panel-icon{display:none}.official-panel h2{font-size:23px}.official-panel h2 br{display:none}.official-panel>.eyebrow{font-size:14px;margin-bottom:8px}.official-panel>p:not(.eyebrow){font-size:15px}.official-panel>.button{margin-top:18px;min-height:48px}.official-panel .login-note{margin-top:13px!important;padding:10px}.panel-footnote{margin-top:13px;padding-top:12px;font-size:14px}.book-information h2,.how-to h2{font-size:21px}.book-information .section-heading{gap:10px}.detail-compare{font-size:14px}.book-information dl{grid-template-columns:95px minmax(0,1fr)}.book-information dt,.book-information dd{font-size:16px;padding:12px 5px}.metadata-note{font-size:14px}.how-to span{font-size:15px}.related-section{margin-top:35px}.publisher-page{padding-top:17px;padding-bottom:40px}.publisher-page h1{font-size:31px}.publisher-grid{gap:10px;grid-template-columns:1fr;margin-top:23px}.publisher-card{padding:17px;gap:13px}.publisher-card h2{font-size:19px}.publisher-card p{font-size:15px}.publisher-monogram{width:39px;height:45px;font-size:20px}.page-intro{font-size:16px}.publisher-book-list a{padding:15px 17px}.publisher-book-list strong{font-size:16px}.publisher-book-list span{font-size:14px}.prose{padding-top:17px;padding-bottom:40px}.prose h1{font-size:32px}.prose h2{font-size:21px}.prose>p{font-size:16px}.dialog-head h2{font-size:23px}dialog{padding:19px;width:calc(100% - 20px);max-height:92vh}.dialog-head{margin-bottom:17px}.dialog-note{font-size:14px}.comparison-table{font-size:15px;min-width:610px}.comparison-table th:first-child{width:80px}.comparison-table th,.comparison-table td{padding:12px 10px}.comparison-table thead a{font-size:16px}}
@media(max-width:580px){.book-grid{grid-template-columns:1fr;gap:12px}.book-card h3{min-height:0}.card-main{margin-top:13px;margin-bottom:16px}.book-symbol{width:42px;min-width:42px;height:57px}.card-bottom{padding:10px 0}.card-top{font-size:15px}.level-card p{max-width:85px}.search-examples>span{display:none}.hero-main h1{font-size:34px}.section-heading h2{font-size:22px}.section-heading .text-link{font-size:14px}.book-card h3{font-size:18px}.card-meta{margin-top:6px}.card-edition{margin-top:3px}.confirmed,.detail-link{font-size:15px}.compare-check{min-height:30px}.compare-check input{width:16px;height:16px}}
@media(max-width:360px){.container{padding-left:16px;padding-right:16px}.hero-main h1{font-size:30px;letter-spacing:-1.4px}.hero-proof{font-size:14px;gap:7px}.header-inner{padding-left:16px;padding-right:16px}.header-inner nav{gap:24px}.level-card h2{font-size:16px}.level-card{padding:14px 8px}.level-arrow{font-size:16px}.level-card p{font-size:14px}.level-card small{font-size:14px}.section-heading h2{font-size:20px}.card-bottom{gap:4px}.confirmed,.detail-link{font-size:14px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.compare-check{min-height:44px}.book-card h3 a{min-height:44px}.detail-link{min-height:34px}.empty-eyebrow{justify-content:center}.toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);z-index:50;max-width:calc(100% - 32px);width:max-content;background:#233552;color:white;border:1px solid #586984;padding:12px 18px;border-radius:10px;font-size:16px;box-shadow:0 5px 22px #12213e30}

.detail-link{min-height:44px}.card-meta{font-size:16px}.card-edition{color:#626f85}.official-host,.metadata-note,.panel-footnote{color:#626f85}

/* Larger type keeps the same reading size across desktop and mobile. */
.hero-proof{flex-wrap:wrap;row-gap:7px}
.hero-guide li{white-space:normal;align-items:flex-start}
.hero-guide li>span{flex-shrink:0}
.card-bottom{flex-wrap:wrap;column-gap:12px;row-gap:0}
.publisher-chips a{flex-wrap:wrap}
.compare-bar{flex-wrap:wrap;justify-content:center}
@media(max-width:760px){
  .level-card p{min-height:44px;max-width:none}
  .level-card h2{padding-right:8px}
  .level-arrow{top:10px;right:7px}
  .header-inner nav{gap:22px;justify-content:space-between}
  .header-inner nav a{font-size:16px}
  .nav-divider{margin:0 -9px}
  .sort-field{font-size:0}
  .sort-field select{width:150px}
  .results-heading{flex-wrap:wrap}
  .filter-field{min-width:0}
  .footer-copy nav{flex-wrap:wrap;gap:12px 22px}
  .detail-status{flex-wrap:wrap}
}
@media(max-width:360px){
  .header-inner nav{gap:14px}
  .header-inner nav a{font-size:15px}
  .level-grid{grid-template-columns:1fr}
  .level-card{padding:17px 20px}
  .level-card h2{font-size:20px}
  .level-card p{min-height:0;font-size:16px}
  .level-card small{font-size:15px}
  .level-arrow{right:17px;top:17px}
  .section-heading{flex-wrap:wrap}
}
.level-card-icon{flex-shrink:0;min-width:2ch;white-space:nowrap}
/* Edition information and source notes use the enlarged reading sizes. */
.breadcrumbs{flex-wrap:wrap;row-gap:0}.edition-overview{margin:0 0 24px;padding:20px 22px;background:#edf1fb;border:1px solid #dbe3f4;border-radius:12px}.edition-overview h3{font-size:18px;color:#304777}.edition-overview ul{padding:0;margin:10px 0 0;list-style:none;font-size:16px;color:#465b7c;line-height:1.9}.edition-overview li{position:relative;padding-left:15px}.edition-overview li:before{content:"·";position:absolute;left:0;font-weight:800}.official-panel .material-types{display:inline-block;background:#edf4ef;color:#3b6956!important;padding:6px 10px;border-radius:7px;margin-top:7px!important;font-size:16px!important}.section-description{font-size:16px;line-height:1.8;color:var(--muted);margin:-8px 0 20px}.edition-table-scroll{position:relative;overflow-x:auto;border:1px solid var(--line);border-radius:13px;background:white}.edition-table{border-collapse:collapse;min-width:900px;width:100%;font-size:16px}.edition-table th,.edition-table td{padding:17px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.edition-table thead th{background:#eef2fa;font-size:15px;color:#596b87}.edition-table tbody th{width:34%;min-width:260px;font-weight:650}.edition-table td{min-width:145px}.edition-table td:last-child{min-width:84px}.edition-table tbody tr:last-child>*{border-bottom:0}.edition-table a{color:var(--blue)}.current-edition{background:#f6f8fd}.current-label{display:block;font-size:14px;font-weight:500;color:#617295;margin-top:7px}.detail-faq{margin-top:44px}.detail-faq h2{font-size:25px;margin-bottom:18px}.detail-faq details{background:#fff;border:1px solid var(--line);border-radius:11px;margin-top:10px;padding:0 20px}.detail-faq summary{cursor:pointer;font-size:17px;font-weight:650;padding:17px 0;line-height:1.7}.detail-faq details p{font-size:16px;line-height:1.9;color:var(--muted);padding:0 0 20px}.source-reference{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:35px;border-top:1px solid var(--line);padding-top:26px}.source-reference h2{font-size:21px}.source-reference p:not(.eyebrow){font-size:15px;color:var(--muted);margin-top:7px}.source-reference .eyebrow{font-size:14px;margin-bottom:7px}.source-reference .text-link{flex-shrink:0}
@media(max-width:760px){.edition-overview{padding:17px}.edition-overview h3{font-size:17px}.edition-overview ul{font-size:16px}.detail-faq{margin-top:32px}.detail-faq h2{font-size:23px}.detail-faq details{padding:0 16px}.detail-faq summary{font-size:17px}.source-reference{flex-wrap:wrap}.source-reference h2{font-size:20px}.source-reference .text-link{font-size:16px}.section-description{font-size:16px}.edition-table{font-size:16px}}

.edition-scroll-hint{display:none}@media(max-width:960px){.edition-scroll-hint{display:block;font-size:16px;color:var(--muted);margin:0 0 14px}}