.reading-lesson{max-width:760px;margin:0 auto;color:var(--ink)}
.course-case{min-width:0;max-width:760px;color:var(--ink)}
.course-case h2{font-size:clamp(24px,2.5vw,32px);line-height:1.3;letter-spacing:-.025em;margin:14px 0 24px;text-wrap:balance}
.course-case h3{font-size:20px;line-height:1.4;margin:28px 0 14px}
.course-case p{font-size:16px;line-height:1.85;max-width:66ch;margin:0 0 20px}
.course-case .reading-selfcheck{font-size:14px;color:var(--muted)}
.course-case .reading-comparison{margin-inline:0}
.course-case .reading-comparison figcaption{grid-column:1/-1;font-size:12px;line-height:1.6;color:var(--muted)}
.course-case-check{border-block:1px solid var(--line);padding:18px 0;margin:24px 0}
.course-case-check summary{cursor:pointer;font-size:14px;line-height:1.6;color:var(--course-violet)}
.course-case-check[open] summary{margin-bottom:16px}
.course-case-sources{font-size:12px;line-height:1.7;color:var(--muted)}
.course-case-sources ul{padding-left:18px;margin:8px 0}.course-case-sources li{margin-block:8px}
.course-case-sources a{text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.reading-lesson h1{font-size:clamp(32px,3.5vw,48px);line-height:1.2;letter-spacing:-.035em;margin:20px 0}
.reading-lesson h2{font-size:clamp(24px,2.5vw,32px);line-height:1.3;letter-spacing:-.025em;margin:14px 0 24px;text-wrap:balance}
.reading-lesson h3{font-size:22px;line-height:1.4;margin:36px 0 16px;letter-spacing:-.015em}
.reading-lesson p{font-size:16px;line-height:1.85;color:var(--ink);max-width:66ch;margin:0 0 20px}
.reading-lesson .reading-lead{font-size:18px;color:var(--muted);line-height:1.75}
.reading-lesson strong{font-weight:650}.reading-goal{margin:28px 0;padding:18px 22px;border-left:2px solid var(--course-violet);background:var(--course-tint)}
.reading-goal>span,.reading-principle>span,.reading-comparison span,.reading-diagnosis span{display:block;font-size:10px;line-height:1.7;letter-spacing:.09em;color:var(--course-violet);font-weight:700;margin-bottom:8px}
.reading-goal p{font-size:15px;margin:0}.reading-toc{display:flex;flex-wrap:wrap;gap:12px 24px;padding:24px 0;border-block:1px solid var(--line)}
.reading-toc a{font-size:12px;line-height:1.6;color:var(--muted);text-decoration:underline;text-underline-offset:5px}.reading-toc a:hover{color:var(--ink)}
.reading-section{padding:44px 0 24px;scroll-margin-top:28px;border-bottom:1px solid var(--line)}.reading-section-number{font-size:10px;letter-spacing:.12em;line-height:1.7;color:var(--muted)}
.reading-principle{margin:26px 0;padding:24px;border:1px solid var(--line);border-radius:10px}.reading-principle ol{padding-left:20px;margin:15px 0 0}.reading-principle li{font-size:15px;line-height:1.8;padding:6px 0 6px 5px}
.reading-lesson .reading-case-label{font-size:12px;color:var(--muted);line-height:1.6}.reading-comparison{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin:28px 0;padding-block:24px;border-block:1px solid var(--line)}.reading-comparison p{font-size:15px;margin:0}.reading-comparison>div+div{padding-left:26px;border-left:1px solid var(--line)}
.reading-journey{list-style:none;padding:0;margin:28px 0;counter-reset:journey}.reading-journey li{position:relative;padding:0 0 26px 48px;counter-increment:journey}.reading-journey li::before{content:counter(journey);position:absolute;left:0;top:1px;width:28px;height:28px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:11px;color:var(--course-violet);background:var(--bg)}.reading-journey li:not(:last-child)::after{content:'';position:absolute;left:14px;top:36px;bottom:7px;width:1px;background:var(--line)}.reading-journey strong{display:block;font-size:17px;line-height:1.6;margin-bottom:7px}.reading-journey p{font-size:15px;color:var(--muted);margin:0;line-height:1.8}
.reading-diagnosis{margin:26px 0;background:var(--panel);border-radius:10px;padding:6px 24px}.reading-diagnosis>div{padding:20px 0}.reading-diagnosis>div+div{border-top:1px solid var(--line)}.reading-diagnosis p{font-size:15px;margin:0}
.reading-practice ol{list-style:decimal;padding-left:24px;margin:24px 0}.reading-practice li{padding:7px 0 14px 8px;font-size:16px;line-height:1.7}.reading-practice li>span{display:block;color:var(--muted);font-size:14px;margin-top:4px}.reading-lesson .reading-selfcheck{font-size:14px;color:var(--muted)}
.reading-takeaway{padding:32px 0}.reading-test{padding:28px;border:1px solid var(--line);background:var(--course-tint);border-radius:12px;margin-bottom:30px}.reading-test h2{font-size:25px;margin:0 0 12px}.reading-test p{font-size:14px}.reading-test form{margin:24px 0 0}
@media(max-width:760px){.reading-section{padding-top:34px}.reading-lesson p{font-size:15px}.reading-lesson .reading-lead{font-size:16px}.reading-comparison{grid-template-columns:1fr;gap:20px}.reading-comparison>div+div{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.reading-goal,.reading-principle,.reading-test{padding:18px}.reading-toc{display:grid;gap:13px}.reading-journey li{padding-left:41px}.reading-lesson h2 br{display:none}}