.tguide{--ink:#263332;--muted:#596765;--line:#d8ddd6;--paper:#fbfaf6;--accent:#b94b2e;color:var(--ink);font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;background:var(--paper);padding:32px clamp(18px,4vw,52px);line-height:1.85;max-width:1180px;margin:auto;font-size:15px}.tguide *{box-sizing:border-box}.tguide [hidden]{display:none!important}.tguide a{color:inherit;text-decoration:none}.tguide button,.tguide input{font:inherit}.tguide button{cursor:pointer}.tguide a:focus-visible,.tguide button:focus-visible,.tguide input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.tguide h1,.tguide h2,.tguide h3{background:none;border:0;padding:0;color:var(--ink);line-height:1.5;font-weight:700;box-shadow:none}.tguide h1:before,.tguide h1:after,.tguide h2:before,.tguide h2:after,.tguide h3:before,.tguide h3:after{display:none}.tg-topline{display:flex;justify-content:space-between;gap:16px;font-size:10px;letter-spacing:.12em;border-bottom:1px solid var(--ink);padding-bottom:16px}.tg-hero{display:flex;justify-content:space-between;align-items:center;padding:44px 0 38px;gap:25px}.tg-kicker{font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:600}.tguide .tg-hero h1{font-size:clamp(64px,9vw,108px);letter-spacing:-.07em;line-height:1.05;margin:9px 0 22px}.tg-dot{color:var(--accent)}.tg-hero p{font-size:clamp(19px,2.5vw,28px);font-weight:500;line-height:1.65;margin:0}.tg-hero-side{border-left:1px solid var(--line);padding:20px 0 20px 32px;min-width:215px}.tg-big{display:block;font-size:64px;line-height:1.1;letter-spacing:-.04em}.tg-hero-side>span:nth-child(2){font-size:12px}.tg-hero-side p{font-size:12px;font-weight:400;color:var(--muted);margin-top:16px}.tg-search{background:#e9ede7;padding:22px 25px}.tg-search label{display:block;font-size:13px;font-weight:600;margin-bottom:10px}.tg-search input{width:100%;border:1px solid #b7c1b9;border-radius:0;padding:13px 15px;background:#fff;color:var(--ink);min-height:48px}.tg-search p{font-size:10px;color:var(--muted);margin:8px 0 0}.tg-filters{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 34px}.tg-filters button,.tg-print,#tg-reset{border:1px solid var(--line);background:transparent;color:var(--ink);padding:8px 14px;border-radius:2px;font-size:12px;min-height:42px}.tg-filters button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.tg-list-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--ink);padding-bottom:13px;margin-bottom:0}.tguide .tg-list-head h2{font-size:16px;margin:0}.tg-list-head span{font-size:12px;color:var(--muted)}.tg-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:26px}.tg-card{display:flex;flex-direction:column;padding:23px 0 19px;border-bottom:1px solid var(--line);min-width:0;transition:color .15s}.tg-card:hover h3{color:var(--accent)}.tg-card-top{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.tg-card-top span:first-child{color:var(--accent)}.tguide .tg-card h3{font-size:17px;margin:12px 0 9px}.tg-card p{font-size:12px;color:var(--muted);margin:0 0 20px;line-height:1.8}.tg-card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:auto;font-size:10px}.tg-card-bottom>span:last-child{font-size:22px}.tg-about{margin-top:46px;padding:30px;background:#e9ede7}.tguide .tg-about h2{font-size:25px;margin:12px 0}.tg-about p{font-size:13px;max-width:700px;margin-bottom:0}.tg-footer{font-size:10px;line-height:1.8;color:var(--muted);margin-top:32px;border-top:1px solid var(--line);padding-top:17px}.tg-crumb{font-size:12px;padding:23px 0}.tg-crumb a{text-decoration:underline}.tg-article{max-width:760px;margin:auto}.tg-article-head{padding:20px 0 25px}.tguide .tg-article h1{font-size:clamp(26px,4vw,39px);margin:16px 0;letter-spacing:-.025em}.tg-lead{font-size:16px;color:var(--muted)}.tg-meta{font-size:11px;color:var(--muted)}.tg-answer{background:#e9ede7;padding:23px 27px;border-left:3px solid var(--accent)}.tg-answer>span{font-size:11px;color:var(--accent);font-weight:700}.tg-answer p{margin:9px 0 0;font-size:17px;font-weight:600}.tg-section{margin:34px 0}.tguide .tg-section h2,.tguide .tg-check h2,.tguide .tg-sources h2,.tguide .tg-related h2{font-size:21px;margin:0 0 14px}.tg-section p{margin:0 0 14px}.tg-section ul{padding-left:1.5em}.tg-section li{margin:7px 0}.tg-check{border:1px solid var(--line);padding:23px;margin:32px 0}.tg-check label{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-top:1px solid var(--line)}.tg-check input{margin-top:8px;accent-color:var(--accent);width:17px;height:17px;flex-shrink:0}.tg-sources{padding:26px;background:#e9ede7}.tg-sources>p{font-size:12px}.tg-sources>a{display:flex;justify-content:space-between;gap:16px;padding:15px 0;border-top:1px solid #c8d0c7}.tg-sources strong{font-size:13px;font-weight:600;text-decoration:underline;text-underline-offset:3px}.tg-sources small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.tg-related{margin:30px 0}.tg-related>a{display:block;border-bottom:1px solid var(--line);padding:12px 0;font-size:13px}.tg-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.tsukumi-guide-page .entry-content>.toc,.tsukumi-guide-page .toc,.tsukumi-guide-page .entry-header .entry-title,.tsukumi-guide-page .article-header .entry-title{display:none!important}@media(max-width:800px){.tg-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tg-hero-side{min-width:170px;padding-left:20px}}@media(max-width:520px){.tguide{padding:20px 17px;font-size:14px}.tg-topline{font-size:8px;letter-spacing:.03em}.tg-topline>span:last-child{display:none}.tg-hero{padding:28px 0}.tg-hero-side{min-width:0;padding:10px 0 10px 18px}.tg-big{font-size:43px}.tg-hero-side p{display:none}.tg-hero-side>span:nth-child(2){font-size:10px}.tg-hero p{font-size:19px}.tg-search{padding:16px}.tg-filters{gap:6px;margin:18px 0 25px}.tg-filters button{font-size:11px;padding:7px 10px}.tg-grid{grid-template-columns:1fr}.tg-card{padding:18px 0 14px}.tguide .tg-card h3{font-size:18px;margin:8px 0}.tg-card p{margin-bottom:8px}.tg-card-bottom{line-height:1.4}.tg-about{padding:22px;margin-top:30px}.tg-answer,.tg-sources,.tg-check{padding:19px}.tg-article-head{padding-top:4px}.tg-section{margin:27px 0}}@media print{body *{visibility:hidden}.tguide,.tguide *{visibility:visible}.tguide{position:absolute;left:0;top:0;width:100%;max-width:none;background:white;padding:0;color:black}.tg-topline,.tg-crumb,.tg-related,.tg-print{display:none}.tg-sources a:after{content:attr(href);display:block;font-size:8px;overflow-wrap:anywhere}.tg-sources a{display:block}.tg-section,.tg-check,.tg-sources{break-inside:avoid}.tg-article{max-width:none}}
@media(max-width:360px){.tg-hero{gap:12px}.tg-hero-side{display:none}.tg-search input{min-width:0}.tguide .tg-hero h1{font-size:64px}}
/* v1.1: visually guided reading */
.tg-hero{padding-bottom:28px}.tg-filters{border-top:1px solid var(--line);padding-top:22px}.tg-card .tg-card-top{align-items:center}.tg-card .tg-icon{color:#54766d;padding:5px;box-sizing:content-box;background:#e8efea;border-radius:8px}.tg-card:hover .tg-icon{background:#d9e8df}.tguide .tg-visual h2{font-size:24px;letter-spacing:-.02em;margin:8px 0 22px}.tg-visual{margin:32px 0 28px;border:1px solid var(--line);padding:26px;background:#f2f5ef;border-radius:8px}.tg-visual-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:20px}.tg-visual-card{position:relative;min-width:0;background:white;border:1px solid #cddbd2;border-radius:6px;padding:20px 16px;display:flex;flex-direction:column}.tg-visual-label{font-size:12px;color:#456a5e;font-weight:600;display:block;margin-bottom:12px}.tg-visual-card>strong{font-size:21px;line-height:1.5;display:block}.tg-visual-card>p{font-size:13px;color:var(--muted);line-height:1.75;margin:10px 0 0}.tg-visual-flow .tg-visual-card:after{content:'→';position:absolute;right:-19px;top:43%;color:#54766d;font-size:20px}.tg-visual-flow .tg-visual-card:last-child:after{display:none}.tg-visual-flow .tg-visual-label{font-size:13px;color:var(--accent)}.tg-visual-formula{background:#f5efe4}.tg-visual-formula .tg-visual-card{border-color:#e2d3b8}.tg-visual-formula .tg-visual-card>strong{color:#92512c;font-size:24px;letter-spacing:-.03em}.tg-visual-formula .tg-visual-label{color:#765c40}.tg-visual-note{margin:20px 0 0;padding-top:16px;border-top:1px solid #cdd6ce;font-size:12px;line-height:1.8;color:#42574f}.tg-visual-note>strong{display:block;font-size:11px;letter-spacing:.07em;margin-bottom:5px}.tg-table-wrap{width:100%}.tguide table.tg-compare-table{border-collapse:collapse;width:100%;table-layout:fixed;background:white;margin:0;font-size:13px}.tguide .tg-compare-table th,.tguide .tg-compare-table td{border:0;border-bottom:1px solid #d5dfd7;padding:14px 12px;vertical-align:top;overflow-wrap:anywhere}.tguide .tg-compare-table thead th{background:#344e45;color:white;font-size:11px;font-weight:500}.tguide .tg-compare-table tbody th{background:#edf2ed;font-weight:500;width:30%;text-align:left}.tguide .tg-compare-table td strong{color:#a34428;font-size:15px}.tg-deduction-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}.tg-deduction-case{border:1px solid #ced8cf;background:white;border-radius:6px;padding:20px}.tguide .tg-deduction-case h3{font-size:22px;margin:0}.tg-deduction-case>p{font-size:12px;color:var(--muted)}.tg-calculation-path{display:flex;flex-direction:column;align-items:stretch;text-align:center;gap:21px;margin:24px 0}.tg-calculation-path>*{display:block;border:1px solid #d6dfd9;padding:8px 10px;position:relative;font-size:15px;font-weight:500}.tg-calculation-path>*:not(:last-child):after{content:'↓';position:absolute;left:48%;bottom:-23px;font-weight:400;color:#789080}.tg-calculation-path>b{background:#f6e4d6;border-color:#dbaa88;color:#8f4527}.tg-deduction-case:nth-child(2) .tg-calculation-path>b{background:white;border-color:#d6dfd9;color:var(--ink)}.tg-deduction-case:nth-child(2) .tg-calculation-path>span:nth-child(3){background:#f6e4d6;border-color:#dbaa88;color:#8f4527}.tg-calculation-path .tg-final-step{background:#e7efe9;font-weight:700}.tg-example{border-top:1px solid var(--line);padding-top:14px}.tg-example small{display:block;font-size:11px}.tg-example strong{display:block;font-size:23px;color:#92512c}.tg-detail-label{font-size:12px;color:var(--muted);letter-spacing:.07em;margin:30px 0 10px}.tg-detail{border-bottom:1px solid var(--line);margin:0;background:transparent}.tg-detail>summary{cursor:pointer;list-style:none;position:relative;padding:18px 30px 18px 0;font-size:17px;font-weight:700;line-height:1.6}.tg-detail>summary::-webkit-details-marker{display:none}.tg-detail>summary:after{content:'＋';position:absolute;right:2px;top:17px;color:#647d70}.tg-detail[open]>summary:after{content:'−'}.tg-detail>summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.tg-detail-body{padding:4px 0 16px}.tg-detail-body strong{font-weight:750;background:linear-gradient(transparent 65%,#f1dfb8 65%);padding:0 .08em}.tg-detail-body p{line-height:1.95}.tg-answer{margin-bottom:0}.tg-check label:has(input:checked){color:#54766d;background:#edf2eb}.tg-check input:checked+span{text-decoration:line-through}.tg-article .tg-sources{border-radius:8px}.tg-card-bottom>span:first-child{padding:2px 7px;background:#eceee7;border-radius:3px}.tg-about{padding:24px}.tguide .tg-about h2{font-size:21px}
@media(max-width:760px){.tg-visual-cards{grid-template-columns:1fr}.tg-visual-flow .tg-visual-card:after{content:'↓';top:auto;bottom:-24px;right:50%;font-size:20px}.tg-visual-card{padding:17px 18px}.tg-visual-card>strong{font-size:20px}.tg-visual-label{margin-bottom:5px}.tg-visual-card p{margin-top:5px}.tg-visual-formula .tg-visual-card{display:grid;grid-template-columns:1fr 1.3fr;gap:4px 14px;align-items:center}.tg-visual-formula .tg-visual-card>p{grid-column:1 / -1}.tg-visual-formula .tg-visual-card>strong{font-size:23px;text-align:right}}@media(max-width:520px){.tg-visual{padding:18px 14px}.tguide .tg-visual h2{font-size:21px;margin-bottom:18px}.tg-deduction-pair{grid-template-columns:1fr 1fr;gap:10px}.tg-deduction-case{padding:13px 10px}.tguide .tg-deduction-case h3{font-size:18px}.tg-example strong{font-size:18px}.tg-calculation-path>*{font-size:13px;padding:8px 4px}.tguide .tg-compare-table th,.tguide .tg-compare-table td{padding:10px 7px;font-size:12px}.tguide .tg-compare-table td strong{font-size:13px}.tg-detail>summary{font-size:16px}.tg-card-top>span:first-child{font-size:11px}.tg-visual-note{font-size:12px}.tg-answer p{font-size:16px}.tg-card .tg-icon{width:24px;height:24px}}@media print{.tg-detail-body{display:block!important}.tg-detail>summary:after{display:none}.tg-visual{break-inside:avoid}.tg-visual-note{color:black}}