@charset "UTF-8";
:root{--ink:#172b3a;--muted:#586a75;--line:#dce4e7;--paper:#fff;--bg:#f3f6f7;--teal:#087d79;--teal-light:#e6f4f1;--blue:#417fae;--gold:#b27924;--navy:#102d3c}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;color:var(--ink);background:var(--bg);font-family:"BIZ UDPGothic","Yu Gothic UI","Meiryo",system-ui,sans-serif;font-size:15px;line-height:1.8}
a{color:#006a76;text-decoration-thickness:1px;text-underline-offset:4px}
a:hover{color:#004550}
button,input,select{font:inherit}
button,select{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #cf8409;outline-offset:4px}
[hidden]{display:none!important}
.skip{position:fixed;left:20px;top:-100px;z-index:99;background:white;padding:12px}
.skip:focus{top:10px}
.shell{max-width:1280px;margin:auto;padding:0 40px}
.site-header{background:#ffffffed;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:15px;font-weight:800;line-height:1.45;white-space:nowrap}
.brand-mark{height:34px;width:34px;display:flex;gap:3px;align-items:end;padding:8px;background:var(--navy);border-radius:8px}
.brand-mark i{width:4px;background:#7bddd0}.brand-mark i:nth-child(1){height:8px}.brand-mark i:nth-child(2){height:13px}.brand-mark i:nth-child(3){height:18px}
.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:.12em;color:var(--muted)}
.nav{display:flex;gap:28px;align-items:center;font-size:13px;font-weight:700}.nav a{color:var(--muted);text-decoration:none}.nav a:hover{color:var(--teal)}
.hero{padding:44px 0 30px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:center}
.eyebrow{display:flex;gap:10px;align-items:center;color:var(--teal);font-size:11px;letter-spacing:.14em;font-weight:800;margin:0 0 14px}
.eyebrow:before{content:"";height:7px;width:7px;background:var(--teal);border-radius:50%}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(27px,3.4vw,43px);letter-spacing:-.035em;line-height:1.5;margin-bottom:16px;font-weight:800}
.hero p{margin:0;color:var(--muted);font-size:14px}
.hero-aside{padding:20px 22px;border-left:2px solid #b8d7d3;font-size:13px;color:var(--muted)}
.hero-aside strong{display:block;color:var(--ink);font-size:14px}
.hero-aside a{display:inline-block;margin-top:9px;font-weight:700}
.date{font-size:11px;color:var(--muted);margin:0 0 9px}
.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0 0 36px}
.kpi{position:relative;padding:22px 26px;border-radius:12px;background:white;border:1px solid var(--line)}
.kpi.primary{background:var(--navy);color:white;border-color:var(--navy)}
.kpi-label{font-size:12px;color:var(--muted);margin:0 0 6px;display:flex;align-items:center;gap:9px}
.primary .kpi-label,.primary .kpi-model{color:#c1d9df}
.kpi-value{font-size:36px;line-height:1.3;font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.04em}
.kpi-value small{font-size:14px;font-weight:500;letter-spacing:0;margin-left:8px}
.kpi-model{font-size:12px;margin:7px 0 0;color:var(--muted)}
.kpi-icon{margin-left:auto;font-size:11px;border:1px solid #a8bbc3;border-radius:99px;line-height:1.2;padding:4px 8px}
section{margin-bottom:44px}
.section-title{display:flex;gap:20px;justify-content:space-between;align-items:end;margin-bottom:18px}
.section-title h2{font-size:23px;line-height:1.4;margin:0;letter-spacing:-.02em}
.section-title p{color:var(--muted);font-size:12px;margin:0}
.section-no{font-size:11px;color:var(--teal);font-weight:800;letter-spacing:.15em;display:block;margin-bottom:5px}
.panel{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.comparison-top{padding:18px 22px 15px;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}
.tabs{display:flex;gap:4px;background:#edf2f3;border-radius:8px;padding:4px}
.tabs button{background:transparent;border:0;padding:8px 17px;border-radius:5px;color:var(--muted);font-size:13px;font-weight:700}
.tabs button[aria-pressed="true"]{background:white;color:var(--teal);box-shadow:0 1px 5px #17334213}
.search-wrap{position:relative;min-width:210px;flex:0 1 255px}
.search-wrap input{width:100%;border:1px solid var(--line);border-radius:7px;padding:9px 12px;font-size:12px;background:#fbfcfc;color:var(--ink)}
.toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:14px 22px}
.toolbar label{font-size:12px;color:var(--muted)}.toolbar select{font-size:12px;padding:5px 28px 5px 8px;border:1px solid var(--line);border-radius:5px;background:white;color:var(--ink);margin-left:8px}
.count{font-size:12px;color:var(--muted)}
.table-scroll{overflow-x:auto;max-width:100%;overscroll-behavior-x:contain}
table{border-collapse:collapse;width:100%;text-align:left}
.compare-table{font-size:13px;min-width:920px}
th{font-weight:600;color:var(--muted);background:#f7f9fa;font-size:11px;line-height:1.6;padding:13px 15px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);vertical-align:middle}
td{padding:17px 15px;border-bottom:1px solid #e9eef0;vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover{background:#f5faf9}
.rank{width:54px;text-align:center;color:var(--muted);font-size:13px}
.rank span{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:7px}
.rank-1 span{background:var(--teal);color:white;font-weight:800}
.model-cell{min-width:210px}.model-cell>a{font-weight:750;color:var(--ink);text-decoration:none}.model-cell>a:hover{color:var(--teal)}
.model-cell small{display:block;font-size:10px;color:var(--muted);margin-top:2px;font-weight:400}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.score-cell{min-width:175px}
.score{font-size:23px;line-height:1.2;font-weight:800;letter-spacing:-.03em}
.score small{font-size:10px;color:var(--muted);font-weight:400;margin-left:5px}
.bar{height:5px;background:#edf1f2;display:flex;overflow:hidden;border-radius:4px;margin-top:9px;width:100%}
.bar i{height:100%;display:block;min-width:1px}.bar .quality{background:var(--teal)}.bar .speed{background:var(--blue)}.bar .size{background:#cf9b48}
.link-arrow{font-size:12px;white-space:nowrap;text-decoration:none;font-weight:700}
.table-foot{border-top:1px solid var(--line);padding:16px 22px;font-size:11px;color:var(--muted);display:flex;gap:20px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.legend{display:flex;gap:15px;align-items:center;flex-wrap:wrap}.legend span{white-space:nowrap}.dot{display:inline-block;width:7px;height:7px;border-radius:2px;margin-right:5px}
.note{margin:13px 2px 0;color:var(--muted);font-size:12px;line-height:1.9}
.notice{background:#edf4f5;border-left:3px solid #709da6;padding:15px 18px;color:#425e68;font-size:12px;border-radius:0 6px 6px 0}
.empty{padding:30px;text-align:center;color:var(--muted)}
.reason-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.reason-card{background:white;border:1px solid var(--line);border-radius:10px;padding:23px}
.card-top{display:flex;justify-content:space-between;align-items:start;gap:15px}
.card-top h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.card-rank{font-size:10px;color:var(--teal);font-weight:800;margin-bottom:6px;display:block;letter-spacing:.1em}
.card-score{font-size:23px;font-weight:800;line-height:1.4;white-space:nowrap}.card-score small{display:block;font-size:9px;font-weight:400;color:var(--muted);text-align:right}
.reason-card p{font-size:12px;color:var(--muted);margin-bottom:16px}
.card-links{display:flex;flex-wrap:wrap;gap:20px;border-top:1px solid #edf1f2;padding-top:14px;font-size:12px}
.card-links a{font-weight:700;text-decoration:none}
.method-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}
.method-card{border:1px solid var(--line);border-radius:10px;background:white;padding:25px}
.method-card h3{font-size:16px;margin-bottom:13px}
.method-card p,.method-card li{font-size:12px;color:var(--muted)}
.formula{background:#f4f7f8;padding:15px;border-radius:6px;font-size:13px;margin-bottom:14px}
.formula strong{display:block;font-size:16px;color:var(--ink)}
.formula span{font-size:11px;color:var(--muted)}
dl{display:grid;grid-template-columns:95px 1fr;gap:8px 14px;font-size:12px;margin:0}
dt{color:var(--muted)}dd{margin:0}
.prompt{font-size:12px;padding:14px 16px;background:#f5f8f9;border-left:3px solid #b1c9cd;margin:0 0 16px;line-height:1.9}
.download-panel{background:var(--navy);color:white;border-radius:12px;padding:28px 30px;display:flex;gap:30px;align-items:center;justify-content:space-between}
.download-panel h2{font-size:21px;margin-bottom:8px}.download-panel p{color:#bfd4dc;font-size:12px;margin:0}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:6px;padding:10px 18px;text-decoration:none;font-size:12px;font-weight:700;white-space:nowrap;border:1px solid #bdd4da;color:var(--ink);background:white}
.button:hover{background:#eef7f7;color:#005c61}.button.teal{background:var(--teal);border-color:var(--teal);color:white}
.download-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px;font-size:12px}
footer{border-top:1px solid var(--line);padding:24px 0 30px;font-size:11px;color:var(--muted)}
.footer-inner{display:flex;justify-content:space-between;gap:20px}.footer-inner p{margin:0}
.breadcrumb{margin:27px 0 20px;font-size:12px;color:var(--muted)}.breadcrumb a{text-decoration:none}
.doc-hero{padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:24px}.doc-hero h1{font-size:30px;margin-bottom:10px}.doc-hero p{font-size:13px;color:var(--muted)}
.doc-actions{display:flex;gap:10px;flex-wrap:wrap}
.doc-layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:32px;margin:28px 0 50px}
.doc-nav{align-self:start;position:sticky;top:106px;max-height:calc(100vh - 126px);overflow:auto;font-size:12px;border-left:2px solid var(--line);padding-left:15px}
.doc-nav strong{display:block;margin-bottom:10px}.doc-nav a{display:block;text-decoration:none;color:var(--muted);padding:5px 0}.doc-nav a:hover{color:var(--teal)}
.doc-body{background:white;border:1px solid var(--line);border-radius:10px;padding:30px 34px;min-width:0;overflow-wrap:anywhere}
.prose{font-size:14px;line-height:1.95}.prose h1{font-size:25px}.prose h2{font-size:22px;margin:38px 0 18px;border-top:1px solid var(--line);padding-top:26px;line-height:1.6}.prose h2:first-child{margin-top:0;border:0;padding-top:0}
.prose h3{font-size:18px;margin:28px 0 13px}.prose h4{font-size:15px;margin:22px 0 10px}.prose p{margin-bottom:16px}.prose ul,.prose ol{padding-left:24px}.prose li{margin-bottom:6px}.prose blockquote{margin:16px 0;background:#f4f7f8;border-left:3px solid #94b7bd;padding:14px 18px;color:var(--muted)}.prose blockquote p:last-child{margin-bottom:0}
.prose td,.prose th{font-size:12px;min-width:100px;vertical-align:top;padding:11px 13px}.prose th{white-space:normal}.prose .table-scroll{margin:18px 0}.prose table{min-width:550px}.prose hr{border:0;border-top:1px solid var(--line);margin:26px 0}
.prose pre{overflow:auto;background:#f1f5f6;padding:15px;border-radius:5px;font-size:12px}
.report-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:25px 0}
.report-metrics>div{padding:16px;background:white;border:1px solid var(--line);border-radius:8px}.report-metrics strong{display:block;font-size:24px;line-height:1.4}.report-metrics span{font-size:11px;color:var(--muted)}
.assessment{border:1px solid #bbd4d2;background:#f0f8f6;padding:20px;border-radius:8px;margin-bottom:30px;font-size:13px}.assessment h2{font-size:17px;margin:0 0 10px}.assessment p{margin:0}
.doc-label{font-size:11px;color:var(--teal);letter-spacing:.06em;margin-bottom:13px;font-weight:700}
.report-foot{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:12px}
@media(max-width:1000px){.shell{padding:0 24px}.hero{grid-template-columns:1fr 250px;gap:24px}.nav{gap:18px}.compare-table{min-width:900px}.doc-layout{grid-template-columns:165px minmax(0,1fr);gap:20px}.doc-body{padding:24px}.method-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.shell{padding:0 18px}.header-inner{min-height:66px;gap:12px}.brand{font-size:12px;gap:9px}.brand small{font-size:8px}.brand-mark{width:30px;height:30px;padding:6px}.nav{gap:14px;font-size:11px}.nav .optional{display:none}.hero{display:block;padding:28px 0 22px}.hero h1{font-size:27px}.hero-aside{margin-top:19px;padding:0 0 0 14px;font-size:11px}.hero-aside strong{font-size:12px}.hero-aside a{margin-top:4px}.hero p{font-size:12px}.eyebrow{font-size:9px}.kpis{gap:8px;margin-bottom:28px}.kpi{padding:14px 10px;border-radius:8px}.kpi-label{font-size:10px;gap:0;line-height:1.6}.kpi-icon{display:none}.kpi-value{font-size:25px}.kpi-value small{font-size:10px;margin-left:3px}.kpi-model{font-size:9px;overflow-wrap:anywhere;line-height:1.7}.section-title{align-items:start;gap:12px;flex-direction:column;margin-bottom:14px}.section-title h2{font-size:21px}.section-title p{font-size:11px}.comparison-top{padding:14px;gap:12px}.tabs{width:100%;justify-content:space-between}.tabs button{padding:7px 10px;flex:1;font-size:12px}.search-wrap{flex-basis:100%;min-width:0}.toolbar{padding:10px 14px;gap:8px;flex-wrap:wrap}.toolbar select{max-width:205px;font-size:11px;margin-left:4px}.table-foot{padding:13px 14px;gap:8px}.reason-grid,.method-grid{grid-template-columns:1fr}.reason-card{padding:20px}.download-panel{display:block;padding:22px}.download-panel .button{margin-top:18px}.footer-inner{display:block}.footer-inner p+p{margin-top:7px}.doc-hero h1{font-size:25px;overflow-wrap:anywhere}.doc-layout{display:block;margin-top:20px}.doc-nav{position:static;max-height:none;margin-bottom:20px}.doc-nav a{display:inline-block;margin-right:14px;padding:4px 0}.doc-body{padding:20px 16px}.prose{font-size:13px}.prose h2{font-size:20px}.prose h3{font-size:17px}.report-metrics{grid-template-columns:1fr 1fr}.report-metrics strong{font-size:22px}.report-foot{flex-direction:column;gap:8px}section{margin-bottom:32px}.notice{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:white;font-size:11px}.site-header,.nav,.doc-nav,.doc-actions,.comparison-top,.toolbar,.download-panel,.download-links,.skip{display:none!important}.shell{padding:0;max-width:none}.hero{padding-top:0}.doc-layout{display:block}.doc-body{border:0;padding:0}.table-scroll{overflow:visible}.compare-table,.prose table{min-width:0;font-size:9px}.compare-table td,.compare-table th{padding:7px;font-size:9px}.panel{overflow:visible}.kpi.primary{-webkit-print-color-adjust:exact;print-color-adjust:exact}.reason-card,.kpi{break-inside:avoid}a{color:inherit}.score{font-size:17px}.model-cell,.score-cell{min-width:0}section{margin-bottom:24px}}

.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}.compare-table tbody th{background:transparent;border-top:0;border-bottom:1px solid #e9eef0;font-size:13px;padding:17px 15px;vertical-align:middle}.compare-table tbody tr:last-child th{border-bottom:0}
/* Internet-learning comparison additions */
.filter-controls{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.type-tag{font-weight:700;color:var(--teal)}.type-tag.cloud{color:#5d62a3}.group-title{font-size:16px;margin:25px 0 14px}.takeaways{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:22px}.takeaways article{padding:20px;border-left:3px solid #93c9c0;background:#eaf3f2;border-radius:0 8px 8px 0}.takeaways h3{font-size:14px;margin:0 0 8px}.takeaways p{font-size:12px;color:var(--muted);margin:0}.doc-body section>h2{font-size:22px}.doc-body>section+section{border-top:1px solid var(--line);padding-top:28px}.prose h5,.prose h6{font-size:14px;margin:20px 0 10px}.report-metrics strong{font-size:22px;overflow-wrap:anywhere}.doc-body dd{min-width:0;overflow-wrap:anywhere}.doc-body .prose{overflow-wrap:anywhere}#quality-detail th{font-size:12px}#quality-detail td{font-size:13px}.compare-table{min-width:980px}.toolbar{align-items:center}.table-scroll table{width:100%}@media(max-width:700px){.takeaways{grid-template-columns:1fr;gap:10px}.filter-controls{gap:10px}.toolbar label{font-size:11px}.toolbar select{max-width:190px}.report-metrics strong{font-size:21px}.brand{white-space:normal}.nav{flex-shrink:0}.doc-body section>h2{font-size:20px}}

/* Full prompt source text, readable without horizontal scrolling. */
.prompt-source{white-space:pre-wrap;overflow-wrap:anywhere;word-break:normal;tab-size:2;max-width:100%;min-width:0;font-family:inherit;font-size:13px;line-height:1.9;background:#f4f7f8;border:1px solid var(--line);border-radius:6px;padding:18px;margin:16px 0;color:var(--ink)}@media(max-width:700px){.prompt-source{font-size:12px;padding:14px}}