:root{--bg: #f2f1ee;--surface: #ffffff;--surface-soft: #faf8f2;--navy: #0e2a47;--navy-2: #16385c;--gold: #b98b2e;--gold-soft: #fbf6ea;--border: #e5e1d8;--border-strong: #ddd6c6;--text: #0e2a47;--muted: #5c6a7a;--faint: #8c97a4;--danger: #b23b3b;--success: #1f8a5b;--shadow: 0 24px 54px -34px rgba(14, 42, 71, .38)}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;background:linear-gradient(rgba(14,42,71,.032) 1px,transparent 1px),linear-gradient(90deg,rgba(14,42,71,.032) 1px,transparent 1px),var(--bg);background-size:36px 36px;color:var(--text);font-family:Noto Sans JP,system-ui,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit}button,input,textarea,select{font:inherit}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.route-progress{position:fixed;top:0;left:0;z-index:30;width:100%;height:3px;background:var(--gold);opacity:0;transform:scaleX(0);transform-origin:left;transition:opacity .12s ease,transform .28s ease}.route-progress.active{opacity:1;transform:scaleX(.72)}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 56px;border-bottom:1px solid var(--border);background:#f2f1eef0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand-link,.topnav,.inline-row{display:flex;align-items:center}.brand-link{gap:14px;text-decoration:none}.brand-mark{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border:1px solid rgba(14,42,71,.12);border-radius:10px;background:var(--navy);box-shadow:inset 0 0 0 4px #ffffff14}.brand-mark span{width:12px;height:12px;border-radius:4px;background:var(--gold)}.brand-text{max-width:min(58vw,520px);font-size:15px;font-weight:900;letter-spacing:0}.topnav{gap:24px}.topnav a{font-size:13.5px;font-weight:700;color:var(--muted);text-decoration:none}.topnav a.active,.topnav a:hover{color:var(--navy)}.nav-button,.primary-button,.secondary-button,.danger-button,.icon-button{display:inline-flex;min-height:42px;align-items:center;justify-content:center;gap:8px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:900;text-decoration:none;cursor:pointer}.nav-button,.primary-button{background:var(--navy);color:#fff!important;padding:10px 18px;box-shadow:0 12px 24px -18px #0e2a47b3}.secondary-button{background:#fff;border-color:var(--border-strong);color:var(--navy);padding:10px 18px}.danger-button{background:#fff;border-color:#e0c4c4;color:var(--danger);padding:10px 18px}.icon-button{width:40px;padding:0;background:var(--gold);color:#fff;border-radius:50%}.admin-nav-signal{display:inline-flex;color:var(--gold)}.page,.page-narrow{width:min(100%,1320px);margin:0 auto;padding:54px 56px 88px;animation:fadeUp .35s ease}.page-narrow{width:min(100%,820px)}.account-page{width:min(100%,940px)}.account-page-header{padding:6px 0 22px}.account-page-header .page-title{font-size:clamp(34px,5vw,46px)}.hero{display:grid;justify-items:center;padding:34px 0 38px;text-align:center}.hero-pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;margin:0 0 18px;border:1px solid var(--border);border-radius:999px;background:#ffffffb8;color:var(--navy);font-size:14px;font-weight:900;padding:9px 15px;box-shadow:0 12px 28px -26px #0e2a4773}.hero-pill svg{color:var(--gold);stroke-width:2.4}.eyebrow{margin:0 0 16px;color:var(--gold);font-size:12px;font-weight:900;letter-spacing:0}.hero h1,.page-title{margin:0;color:var(--navy);font-size:clamp(38px,6vw,54px);font-weight:900;line-height:1.12;letter-spacing:0}.hero h1{max-width:960px;font-size:clamp(42px,7vw,68px);text-wrap:balance}.hero>p:not(.hero-pill),.lead{max-width:880px;color:var(--muted);font-size:16px;line-height:2;text-wrap:pretty}.tabs{display:flex;width:fit-content;justify-content:center;gap:18px;margin:40px auto 0;border-bottom:1px solid var(--border)}.tab{display:flex;flex-direction:column;min-width:180px;gap:6px;align-items:center;padding:6px 12px 17px;border:0;border-bottom:3px solid transparent;margin-bottom:-1px;background:transparent;color:#9aa5b2;cursor:pointer}.tab[aria-selected=true]{border-bottom-color:var(--gold);color:var(--navy)}.tab small{font-size:11px;font-weight:900;letter-spacing:0;opacity:.62;text-align:center}.tab span{display:inline-flex;align-items:center;gap:8px;font-size:20px;font-weight:900;line-height:1.25}.tab svg{flex:0 0 auto;stroke-width:2.3}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:1140px;margin:34px auto 0}.section-head h2{margin:0;font-size:24px}.section-head p{margin:8px 0 0;max-width:680px;color:var(--faint);font-size:14px;line-height:1.7}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;max-width:1140px;margin:26px auto 0}.course-card,.surface-panel{border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:0 10px 30px -28px #0e2a4773}.course-card{overflow:hidden;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}.course-card:hover{border-color:#d5dbe2;box-shadow:var(--shadow);transform:translateY(-4px)}.course-card-static{cursor:default}.course-card-static:hover{border-color:var(--border);box-shadow:0 10px 30px -28px #0e2a4773;transform:none}.course-thumb{position:relative;display:flex;min-height:152px;align-items:flex-end;padding:20px 22px;overflow:hidden;background:radial-gradient(circle at 78% 24%,rgba(185,139,46,.48),transparent 22%),linear-gradient(135deg,var(--navy-2),var(--navy))}.course-thumb span{position:relative;z-index:1;color:#fffffff0;font-size:54px;font-weight:900;line-height:1}.course-cover-image{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover}.course-thumb:after{position:absolute;inset:0;z-index:0;background:linear-gradient(180deg,#0e2a4729,#0e2a47b8);content:""}.course-thumb-with-image:after{content:none}.course-body{display:flex;min-height:220px;flex-direction:column;padding:20px 22px 22px}.course-body h3{margin:0;font-size:18px;line-height:1.45}.course-body p{margin:10px 0 0;color:var(--muted);font-size:13.5px;line-height:1.75}.course-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid #f0f2f5}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:5px;border-radius:999px;background:#f1f0eb;color:var(--muted);font-size:12px;font-weight:700;padding:4px 9px}.coming-chip{border:1px solid rgba(185,139,46,.28);background:var(--gold-soft);color:var(--navy)}.course-duration{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-size:12.5px;font-weight:700}.request-band{content-visibility:auto;contain-intrinsic-size:560px;width:100vw;max-width:none;margin:88px calc(50% - 50vw) -88px;padding:72px 56px 88px;border-top:1px solid rgba(255,255,255,.16);background:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(180deg,var(--navy-2),var(--navy));background-size:36px 36px,36px 36px,auto;box-shadow:inset 0 1px #ffffff1a,0 -28px 64px -54px #0e2a47c2}.request-band h2{margin:0;font-size:22px;line-height:1.45}.request-band p{margin:8px 0 0;color:var(--faint);font-size:14px;line-height:1.8}.request-card>p{min-height:50px}.request-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:stretch;max-width:1140px;margin:0 auto}.request-card{border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:var(--shadow);padding:26px;text-align:left}.request-card-title{display:flex;align-items:center;gap:10px}.request-card-title svg{color:var(--gold);stroke-width:2.4}.request-box{margin-top:22px}.request-card .request-box{padding:0;border:0;background:transparent;box-shadow:none}.request-box textarea,.field textarea,.field input{width:100%;border:1px solid var(--border-strong);border-radius:9px;outline:none;background:#fff;color:var(--navy);font-size:14px;line-height:1.6;padding:12px 14px}.request-box textarea{min-height:116px;resize:vertical}.request-card-question .request-box textarea{min-height:116px}.request-login-box{display:grid;min-height:174px;align-content:center;justify-items:start;gap:16px}.request-login-box p{margin:0;color:var(--muted)}.form-actions{display:flex;align-items:center;justify-content:flex-end;gap:14px;margin-top:18px}.surface-panel{padding:26px 28px}.surface-panel+.surface-panel{margin-top:20px}.account-panel{overflow:hidden;border-color:var(--border);border-radius:18px;box-shadow:var(--shadow)}.account-panel-header{display:flex;align-items:center;gap:12px;padding:24px 26px 0}.account-panel-header h2{margin:0;font-size:18px;line-height:1.4}.account-panel-icon{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:10px;background:var(--gold-soft);color:var(--navy)}.account-panel form{padding:0 26px 26px}.account-panel .field input{border-color:var(--border-strong);background:#fff;transition:border-color .16s ease,box-shadow .16s ease}.account-panel .field input:focus{border-color:var(--gold);box-shadow:0 0 0 3px #b98b2e24}.account-panel .form-actions{padding-top:18px;border-top:1px solid #eff1f4}.account-action-panel{padding:22px 26px}.account-action-panel .section-head{align-items:center}.field{display:grid;gap:8px;margin-top:16px}.field label{color:var(--navy);font-size:13px;font-weight:900}.case-editor-page,.case-reading-page{width:min(100%,1480px);margin:0 auto;padding:38px 44px 88px;animation:fadeUp .35s ease}.case-reading-page{width:min(100%,1280px)}.case-editor-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}.case-editor-hero p:not(.eyebrow){max-width:720px;color:var(--muted);line-height:1.8}.case-editor-shell{display:grid;grid-template-columns:236px minmax(0,1fr) 144px;gap:20px;align-items:start}.case-editor-aside,.case-editor-menu,.case-reading-shell,.draft-strip{border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:0 10px 30px -28px #0e2a4773}.case-editor-canvas{min-width:0}.case-editor-aside{position:sticky;top:92px;padding:16px}.case-editor-menu{position:sticky;top:92px;display:grid;gap:10px;padding:14px}.case-editor-menu button{display:grid;min-height:78px;place-items:center;gap:7px;border:1px solid var(--border);border-radius:12px;background:var(--surface-soft);color:var(--navy);font-size:12px;font-weight:900;cursor:pointer;transition:background .16s ease,border-color .16s ease,transform .16s ease}.case-editor-menu button:hover{border-color:var(--gold);background:var(--gold-soft);transform:translateY(-1px)}.case-editor-menu svg{color:var(--gold)}.editor-side-head{margin-bottom:12px}.editor-side-head h2{margin:0;font-size:18px}.case-editor-menu .editor-side-head h2{font-size:16px;white-space:nowrap}.case-outline-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.case-outline-head button{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border:1px solid var(--gold);border-radius:50%;background:var(--gold-soft);color:var(--navy);cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}.case-outline-head button:hover{box-shadow:0 10px 22px -18px #0e2a47a6;transform:translateY(-1px)}.case-outline-global{display:grid;gap:3px;border:1px solid var(--border);border-radius:12px;background:#fff;margin-bottom:14px;padding:12px}.case-outline-global span,.case-outline-label,.composer-section-label{color:var(--gold);font-size:11px;font-weight:900}.case-outline-global strong{overflow:hidden;color:var(--navy);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.case-outline-global small{color:var(--faint);font-size:11px;font-weight:900}.case-outline-label{margin:0 0 8px 2px}.case-outline-list{display:grid;gap:8px}.case-outline-list button{display:grid;grid-template-columns:auto minmax(0,1fr);gap:3px 9px;width:100%;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--muted);font-size:12px;font-weight:900;padding:10px;text-align:left;cursor:pointer}.case-outline-list button.active{border-color:var(--gold);background:var(--gold-soft);color:var(--navy)}.case-outline-list span{grid-row:span 2;color:var(--gold)}.case-outline-list strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.case-outline-list small{color:var(--faint);font-size:11px}.editor-toolbar,.case-page-editor-head,.case-block-type,.block-add-row,.draft-strip,.case-reading-head,.draft-notice,.case-page-nav{display:flex;align-items:center}.case-page-stack{display:grid;gap:18px;margin-top:20px}.case-page-editor{border:1px solid var(--border);border-radius:14px;background:var(--surface-soft);padding:16px}.case-page-editor-head{gap:12px;margin-bottom:14px}.case-page-editor-head span{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:50%;background:var(--navy);color:#fff;font-size:13px;font-weight:900}.case-page-editor-head input,.case-block-editor input,.case-block-editor textarea{width:100%;border:1px solid var(--border-strong);border-radius:9px;outline:none;background:#fff;color:var(--navy);font-size:14px;line-height:1.6;padding:11px 13px}.case-page-editor-head input{font-size:19px;font-weight:900}.case-block-stack{display:grid;gap:12px}.case-block-editor{border:1px solid var(--border);border-radius:12px;background:#fff;padding:12px}.case-block-type{justify-content:space-between;gap:8px;margin-bottom:10px;color:var(--muted);font-size:12px;font-weight:900}.case-block-type svg{color:var(--gold)}.case-block-type span{margin-right:auto}.case-block-type button,.block-add-row button{display:inline-flex;align-items:center;gap:6px;border:0;border-radius:7px;background:var(--surface-soft);color:var(--muted);font-size:12px;font-weight:900;padding:7px 9px;cursor:pointer}.image-block-fields{display:grid;gap:8px}.block-add-row{flex-wrap:wrap;gap:8px;margin-top:13px}.case-reading-editor{padding:32px}.composer-editable{min-width:2ch;outline:none;border-radius:8px;cursor:text;transition:background .14s ease,box-shadow .14s ease}.composer-editable:empty:before{content:attr(data-placeholder);color:var(--faint)}.composer-editable:focus{background:#fbfaf7;box-shadow:0 0 0 6px #fbfaf7,inset 0 -2px 0 var(--gold)}.composer-section-label{margin-bottom:10px}.case-reading-section .composer-section-label{margin-top:4px;margin-bottom:4px}.case-page-nav-editor button{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:999px;background:var(--surface-soft);color:var(--muted);font-size:13px;font-weight:900;padding:8px 12px;cursor:pointer}.case-page-nav-editor button.active{border-color:var(--gold);background:var(--gold-soft);color:var(--navy)}.case-page-nav-editor button span{color:var(--gold)}.case-reading-editor .case-reading-section.active{scroll-margin-top:96px}.composer-block-frame,.composer-image-block{position:relative;border:1px solid transparent;border-radius:10px;margin:-6px -8px 10px;padding:6px 8px}.composer-block-frame:hover,.composer-block-frame:focus-within,.composer-block-frame.selected,.composer-image-block:hover,.composer-image-block.selected{border-color:var(--border);background:#fffdfa}.case-preview-remove{position:absolute;top:8px;right:8px;opacity:0;border:1px solid var(--border);border-radius:999px;background:#fff;color:var(--danger);font-size:11px;font-weight:900;padding:5px 8px;cursor:pointer}.case-preview-block:hover .case-preview-remove,.case-preview-block:focus-within .case-preview-remove,.composer-block-frame:hover .case-preview-remove,.composer-block-frame:focus-within .case-preview-remove,.composer-block-frame.selected .case-preview-remove,.composer-image-block:hover .case-preview-remove,.composer-image-block.selected .case-preview-remove{opacity:1}.image-placeholder{display:grid;width:100%;min-height:220px;place-items:center;gap:8px;border:1px solid var(--border);border-radius:12px;background:var(--surface-soft);color:var(--faint);font-size:13px;font-weight:900}.composer-image-block img{min-height:240px;background:var(--surface-soft)}.editor-actions{border-top:1px solid var(--border);padding-top:18px}.composer-inspector{display:grid;gap:8px;border-top:1px solid var(--border);margin-top:6px;padding-top:12px}.composer-inspector label{color:var(--faint);font-size:11px;font-weight:900}.composer-inspector input{width:100%;border:1px solid var(--border);border-radius:9px;outline:none;background:#fff;color:var(--navy);font-size:12px;line-height:1.5;padding:8px 9px}.draft-strip{justify-content:space-between;gap:20px;margin-top:24px;padding:20px 22px}.draft-strip h2{margin:0;font-size:20px}.draft-strip p{margin:6px 0 0;color:var(--faint);font-size:13px}.draft-list{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.draft-list a{min-width:220px;border:1px solid var(--border);border-radius:12px;background:var(--surface-soft);padding:11px 12px;text-decoration:none}.draft-list span{display:block;color:var(--gold);font-size:11px;font-weight:900}.draft-list strong{display:block;margin-top:3px;font-size:13.5px;line-height:1.5}.case-reading-shell{padding:32px}.case-reading-head{justify-content:space-between;gap:24px;padding-bottom:28px;border-bottom:1px solid var(--border)}.case-status-panel{display:grid;gap:8px;justify-items:end;color:var(--faint);font-size:12px;font-weight:900;white-space:nowrap}.case-status{border-radius:999px;padding:7px 10px}.case-status.draft{background:var(--gold-soft);color:var(--navy)}.case-status.published{background:#e6f5ee;color:var(--success)}.draft-notice{justify-content:space-between;gap:16px;margin-top:22px;border-radius:12px;background:var(--gold-soft);color:var(--navy);padding:14px 16px}.draft-notice p{margin:0 auto 0 0;font-size:13.5px;font-weight:700}.case-page-nav{flex-wrap:wrap;gap:10px;margin:26px 0}.case-page-nav a{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:999px;background:var(--surface-soft);color:var(--muted);font-size:13px;font-weight:900;padding:8px 12px;text-decoration:none}.case-page-nav span{color:var(--gold)}.case-rich-body{display:grid;gap:24px}.case-reading-section{scroll-margin-top:96px;border-top:1px solid var(--border);padding-top:28px}.case-reading-section:first-child{border-top:0}.case-reading-section-kicker{color:var(--gold);font-size:12px;font-weight:900}.case-reading-section h2{margin:6px 0 20px;font-size:28px}.case-reading-section h3{margin:24px 0 8px;font-size:20px}.case-reading-section p{margin:0 0 16px;color:#374a5c;font-size:16px;line-height:2;white-space:pre-wrap}.case-image-block{margin:24px 0}.case-image-block img{display:block;width:100%;margin-inline:auto;max-height:520px;object-fit:cover;border-radius:12px;border:1px solid var(--border)}.case-image-block figcaption{margin-top:9px;color:var(--faint);font-size:12.5px;line-height:1.6}.form-error{color:var(--danger);font-size:13px;font-weight:700}.form-success{color:var(--success);font-size:13px;font-weight:900}.lesson-shell{display:grid;grid-template-columns:324px minmax(0,1fr);min-height:calc(100vh - 70px)}.lesson-sidebar{position:sticky;top:70px;height:calc(100vh - 70px);overflow-y:auto;border-right:1px solid var(--border);background:#fff}.lesson-sidebar-head{padding:20px 16px 16px;border-bottom:1px solid var(--border)}.lesson-sidebar small{color:var(--faint);font-size:10.5px;font-weight:900}.lesson-sidebar h2{margin:2px 0 0;font-size:17px}.lesson-nav{display:grid;gap:7px;padding:10px 10px 22px}.lesson-nav-group{display:grid;gap:4px}.lesson-course-link,.lesson-subnav a{display:flex;gap:11px;align-items:center;padding:10px 12px;border-radius:9px;color:var(--muted);font-size:13.5px;font-weight:800;text-decoration:none}.lesson-course-link{min-height:42px}.lesson-course-link span:first-child{min-width:22px;color:var(--faint);font-size:12px;font-weight:900}.lesson-course-link:hover,.lesson-subnav a:hover{background:#faf8f2b8;color:var(--navy)}.lesson-course-link.active,.lesson-nav-group.current>.lesson-course-link{background:var(--surface-soft);color:var(--navy)}.lesson-course-link.active span:first-child,.lesson-nav-group.current>.lesson-course-link span:first-child{color:var(--gold)}.lesson-subnav{display:grid;gap:2px;margin:1px 0 12px 28px}.lesson-subnav a{min-height:34px;padding:6px 10px;color:var(--faint);font-size:13px;font-weight:700}.lesson-subnav a span:first-child{width:6px;height:6px;border-radius:50%;background:#c7ced6}.lesson-subnav a.active{color:var(--navy)}.lesson-subnav a.active span:first-child{background:var(--gold)}.lesson-main{min-width:0;padding:26px 52px 76px}.breadcrumb{margin-bottom:16px;color:var(--faint);font-size:13px}.lesson-hero{padding:30px 40px 28px;border-radius:14px;background:linear-gradient(135deg,var(--navy-2),var(--navy));color:#fff}.lesson-hero h1{margin:8px 0 0;font-size:30px;line-height:1.3}.lesson-article{padding:40px 44px 0}.lesson-article p,.lesson-article li{color:#374a5c;font-size:16px;line-height:2}.lesson-article .markdown-list{margin:14px 0 20px;padding-left:1.45rem}.lesson-article .markdown-list .markdown-list{margin:2px 0 4px;padding-left:1.6rem;list-style-type:circle}.lesson-article .markdown-list .markdown-list .markdown-list{list-style-type:square}.lesson-article h2,.lesson-article h3{color:var(--navy);line-height:1.45}.lesson-article h2{clear:both;margin:32px 0 12px;font-size:24px}.lesson-article h3{margin:26px 0 10px;font-size:19px}.lesson-article pre{overflow-x:auto;margin:22px 0;border:1px solid var(--border);border-radius:10px;background:#112c43;padding:18px 20px}.lesson-article code{color:#f4f7fb;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13.5px;line-height:1.8;white-space:pre}.copyable-code{position:relative;overflow:hidden;margin:26px 0 34px;border:1px solid var(--border);border-radius:8px;background:#102b43;box-shadow:0 20px 48px -36px #0e2a477a}.copyable-code-head{position:absolute;top:10px;right:12px;z-index:1;display:flex;align-items:center;justify-content:flex-end;border:0;background:transparent;padding:0}.copyable-code-button{display:inline-flex;min-width:104px;min-height:38px;align-items:center;justify-content:center;gap:7px;border:1px solid var(--border-strong);border-radius:8px;background:#fff;color:var(--navy);font-size:13px;font-weight:900;cursor:pointer}.copyable-code-button:hover{border-color:#0e2a4738;background:var(--surface-soft)}.copyable-code pre{overflow:auto;margin:0;border:0;border-radius:0;background:transparent;padding:22px 144px 22px 20px}.copyable-code code{white-space:pre-wrap;word-break:break-word}.copyable-code.is-collapsed pre{max-height:360px;overflow:auto;overscroll-behavior:contain;padding-bottom:90px}.copyable-code.is-expanded pre{max-height:none;overflow:visible}.copyable-code-expand{position:absolute;right:14px;bottom:14px;z-index:1;display:inline-flex;min-height:38px;align-items:center;justify-content:center;gap:7px;border:1px solid rgba(255,255,255,.26);border-radius:8px;background:#fffffff0;color:var(--navy);font-size:13px;font-weight:900;cursor:pointer;box-shadow:0 12px 28px -20px #0000008c}.copyable-code-expand:hover{background:#fff}.copyable-code.is-collapsed:after{position:absolute;right:0;bottom:0;left:0;height:118px;background:linear-gradient(180deg,#102b4300,#102b43 70%);content:"";pointer-events:none}.lesson-image{margin:30px 0 34px}.lesson-image img{display:block;width:min(100%,860px);height:auto;margin-inline:auto;border:1px solid var(--border);border-radius:12px}.lesson-side-image{width:min(100%,360px);margin:30px auto 34px}.lesson-side-image img{display:block;width:100%;height:auto;margin-inline:auto;border:1px solid var(--border);border-radius:12px;box-shadow:0 18px 38px -28px #0e2a477a}.download-tabs{clear:both;width:fit-content;min-width:min(100%,780px);max-width:100%;margin:30px 0 36px;border:1px solid var(--border);border-radius:12px;background:#ffffff9e;padding:22px 24px}.download-tabs-head{display:block}.download-tabs-head h3{margin:0;color:var(--navy);font-size:18px;line-height:1.45}.download-tabs-head p{margin:6px 0 0;color:var(--muted);font-size:13.5px;line-height:1.7}.download-tab-list{display:inline-flex;gap:4px;margin-top:18px;border:1px solid var(--border);border-radius:10px;background:var(--surface-soft);padding:4px}.download-tab-list button{min-width:112px;border:0;border-radius:7px;background:transparent;color:var(--muted);font-size:13.5px;font-weight:900;padding:9px 13px;cursor:pointer}.download-tab-list button[aria-selected=true]{background:var(--navy);color:#fff}.download-step-list{display:grid;gap:12px;margin:18px 0 0;padding-left:24px}.download-step-list li{padding-left:4px}.dataset-download{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;margin:30px 0 36px;border:1px solid var(--border);border-radius:8px;background:#fffdfa;padding:18px;box-shadow:0 18px 40px -34px #0e2a476b}.dataset-download-icon{display:inline-flex;width:46px;height:46px;align-items:center;justify-content:center;border:1px solid rgba(31,138,91,.2);border-radius:8px;background:#1f8a5b1a;color:var(--success)}.dataset-download-body{min-width:0}.dataset-download-body small{color:var(--gold);font-size:11px;font-weight:900;letter-spacing:0}.dataset-download-body h3{margin:2px 0 6px;font-size:18px;line-height:1.45}.dataset-download-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}.dataset-download-meta{display:flex;flex-wrap:wrap;gap:8px 12px;margin-top:10px;color:var(--faint);font-size:12.5px;font-weight:800;overflow-wrap:anywhere}.dataset-download-button{white-space:nowrap}.lesson-callout{margin-top:24px;border-radius:12px;background:var(--navy);color:#eaeff5;padding:22px 24px}.lesson-callout p{color:#eaeff5;font-size:14.5px}.two-column{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:28px}.mini-panel{border-radius:12px;background:var(--gold-soft);padding:22px}.case-body{white-space:pre-wrap}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th,.admin-table td{border-bottom:1px solid var(--border);padding:12px;text-align:left;vertical-align:top}.admin-table th{color:var(--faint);font-weight:900}@media(max-width:900px){.topbar{align-items:flex-start;flex-direction:column;padding:16px 20px}.topnav{width:100%;flex-wrap:wrap;gap:14px}.page,.page-narrow{padding:36px 20px 72px}.hero{padding:26px 0 34px}.hero h1{font-size:36px}.hero>p:not(.hero-pill){font-size:14.5px}.tabs{width:100%;gap:0}.tab{flex:1 1 0;min-width:0;padding-inline:6px}.tab small{font-size:10px}.tab span{gap:6px;font-size:17px}.card-grid,.request-layout,.two-column,.lesson-shell{grid-template-columns:1fr}.request-band{margin:64px -20px -72px;padding:48px 20px 64px}.request-card{padding:22px}.request-box textarea{min-height:112px}.form-actions{flex-wrap:wrap}.lesson-sidebar{position:static;height:auto;overflow:visible;border-right:0;border-bottom:1px solid var(--border)}.lesson-main{padding:20px}.lesson-side-image{float:none;width:100%;margin:20px auto 24px}.download-tabs{padding:14px}.copyable-code-head{left:auto;align-items:center;flex-direction:row}.copyable-code-button{width:auto}.copyable-code pre{padding:62px 16px 16px}.copyable-code.is-collapsed pre{max-height:360px;padding-bottom:88px}.copyable-code.is-expanded pre{max-height:none}.copyable-code-expand{right:12px;bottom:12px}.download-tab-list,.download-tab-list button{width:100%}.dataset-download{grid-template-columns:auto 1fr;gap:14px;padding:14px}.dataset-download-button{grid-column:1 / -1;width:100%}.section-head{align-items:flex-start;flex-direction:column}.case-editor-page,.case-reading-page{padding:36px 20px 72px}.case-editor-shell{grid-template-columns:1fr}.case-editor-aside,.case-editor-menu{position:static}.case-editor-menu{grid-template-columns:repeat(3,minmax(0,1fr))}.case-editor-menu .editor-side-head,.composer-inspector{grid-column:1 / -1}.case-editor-menu button{min-height:64px}.editor-toolbar,.draft-strip,.case-reading-head,.draft-notice{align-items:flex-start;flex-direction:column}.draft-list{width:100%;justify-content:stretch}.draft-list a{width:100%}.case-reading-shell{padding:22px}.case-status-panel{justify-items:start}.editor-actions{align-items:stretch;flex-direction:column}.case-live-preview{padding:24px 20px 28px}.case-live-title{min-height:96px;font-size:36px}}