.practice-site{--paper:#f7f5ef;--ink:#202b35;--muted:#596774;--line:#c8d0d0;--accent:#227a8b;background:var(--paper);min-height:100vh;color:var(--ink);font-family:Hiragino Kaku Gothic ProN,Yu Gothic,system-ui,sans-serif;line-height:1.7}.practice-site *{box-sizing:border-box}.practice-site a{color:inherit}.practice-site button,.practice-site input,.practice-site select,.practice-site textarea{font:inherit}.practice-shell{width:min(1160px,100% - 32px);margin:auto}.practice-header{border-bottom:2px solid var(--ink);justify-content:space-between;align-items:center;gap:16px;padding:22px 0;font-size:.9rem;display:flex}.practice-brand{letter-spacing:.05em;font-weight:900;text-decoration:none}.practice-brand b{color:#157f95}.practice-hero{max-width:800px;padding:58px 0 40px}.practice-eyebrow{letter-spacing:.18em;color:var(--accent);margin:0 0 14px;font-size:.78rem;font-weight:800}.practice-hero h1{letter-spacing:-.04em;text-wrap:balance;margin:0 0 20px;font-size:clamp(2rem,5vw,4.4rem);line-height:1.25}.practice-hero h1 em{background:linear-gradient(#0000 68%,#b8e6e9 68%);font-style:normal}.practice-hero p:not(.practice-eyebrow){color:#33424b;font-size:1.08rem}.practice-section-heading{margin:18px 0 24px}.practice-section-heading span{color:var(--accent);font-size:.8rem;font-weight:800}.practice-section-heading h2{margin:3px 0;font-size:2rem}.practice-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.practice-card,.practice-panel,.practice-info,.practice-faq,.practice-note,.practice-work-panel{border:2px solid var(--ink);background:#fff;box-shadow:5px 5px #d8ddda}.practice-card{border-top:8px solid var(--accent);flex-direction:column;gap:10px;padding:23px;display:flex}.practice-volume{color:var(--accent);font-size:.78rem;font-weight:900}.practice-card h3{margin:0;font-size:1.27rem;line-height:1.4}.practice-card p{color:#4d5b64;margin:0}.practice-card dl{margin:auto 0 0;padding-top:12px}.practice-card dt{color:#64717a;font-size:.75rem;font-weight:800}.practice-card dd{margin:0 0 9px}.practice-book-status{color:#69747b;font-size:.76rem}.practice-link{background:var(--ink);justify-content:space-between;align-items:center;padding:11px 15px;font-weight:800;text-decoration:none;display:flex;color:#fff!important}.practice-link:hover{background:var(--accent)}.practice-info,.practice-faq{margin-top:38px;padding:30px}.practice-info h2,.practice-faq h2{margin-top:0}.practice-info ol{counter-reset:steps;gap:12px;padding:0;list-style:none;display:flex}.practice-info li{counter-increment:steps;background:#eaf1ef;flex:1;padding:18px;font-weight:700}.practice-info li:before{content:counter(steps);color:var(--accent);font-size:1.7rem;font-weight:900;display:block}.practice-faq details{border-top:1px solid var(--line);padding:14px 0}.practice-faq summary{cursor:pointer;font-weight:700}.practice-faq p{color:#495760;margin-bottom:0}.practice-footer{color:#56636d;flex-wrap:wrap;gap:24px;padding:36px 0 46px;font-size:.85rem;display:flex}.practice-footer span{margin-left:auto}.practice-intro-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.practice-panel{padding:28px}.practice-panel h2{margin:0 0 10px;font-size:1.35rem}.practice-panel h2:not(:first-child){margin-top:28px}.practice-sample{margin-top:22px}.practice-note{margin:22px 0;padding:18px 24px}.practice-note p{margin:5px 0}.practice-form{gap:10px;display:grid}.practice-form>label{font-weight:700}.practice-form input[type=password],.practice-site input:not([type=checkbox]):not([type=file]),.practice-site select,.practice-site textarea{width:100%;color:var(--ink);background:#fff;border:1.5px solid #829198;border-radius:4px;min-height:44px;padding:10px 12px}.practice-site textarea{resize:vertical;min-height:105px}:is(.practice-site input:focus-visible,.practice-site textarea:focus-visible,.practice-site select:focus-visible,.practice-site button:focus-visible,.practice-site a:focus-visible){outline-offset:2px;outline:3px solid #f89523}.practice-check{align-items:center;gap:9px;display:flex;font-weight:400!important}.practice-check input{width:20px;height:20px}.practice-help{color:var(--muted);margin:0;font-size:.82rem}.practice-button{border:2px solid var(--ink);background:var(--accent);color:#fff;cursor:pointer;min-height:44px;padding:9px 16px;font-weight:800}.practice-button:hover{filter:brightness(.92)}.practice-button:disabled{opacity:.6;cursor:wait}.practice-secondary{background:#fff;justify-content:center;align-items:center;text-decoration:none;display:inline-flex;color:var(--ink)!important}.practice-error{color:#a12035;min-height:1.5em;margin:0;font-weight:700}.practice-workspace{padding-bottom:70px}.practice-work-head{justify-content:space-between;align-items:flex-start;gap:20px;padding:30px 0;display:flex}.practice-work-head h1{text-wrap:balance;margin:0;font-size:clamp(1.5rem,3vw,2.3rem);line-height:1.3}.practice-work-head p{color:var(--muted);margin:4px 0}.practice-work-actions{flex-wrap:wrap;gap:8px;display:flex}.practice-work-actions button{border:1px solid var(--ink);cursor:pointer;background:#fff;padding:7px 11px}.practice-work-grid{grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);align-items:start;gap:20px;display:grid}.practice-work-panel{padding:23px}.practice-work-panel h2{margin:0 0 12px;font-size:1.3rem}.practice-work-panel h3{margin:22px 0 9px;font-size:1.06rem}.practice-work-panel p{margin:8px 0}.practice-fields{gap:12px;display:grid}.practice-fields label,.practice-field{gap:5px;font-weight:700;display:grid}.practice-field small{color:var(--muted);font-weight:400}.practice-row{align-items:center;gap:10px;display:flex}.practice-row>*{min-width:0}.practice-row .practice-button{flex:none}.practice-list{gap:9px;padding:0;list-style:none;display:grid}.practice-list li{border:1px solid var(--line);background:#fafbf9;padding:12px}.practice-list label{font-size:.85rem}.practice-list-actions{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.practice-list-actions button,.practice-tiny-button{cursor:pointer;background:#fff;border:1px solid #95a5a5;padding:4px 9px;font-size:.82rem}.practice-tiny-button.danger{color:#ae2f40}.practice-result{border-left:5px solid var(--accent);white-space:pre-wrap;overflow-wrap:anywhere;background:#eef4f2;max-height:440px;padding:18px;font-size:.92rem;overflow:auto}.practice-message{border-left:4px solid var(--accent);background:#e6f0ec;padding:9px 12px}.practice-message.error{background:#fff0f0;border-color:#b13a4b}.practice-toolbar{flex-wrap:wrap;gap:8px;margin:12px 0;display:flex}.practice-toolbar button,.practice-toolbar label{border:1px solid var(--ink);cursor:pointer;background:#fff;padding:7px 10px}.practice-toolbar input[type=file]{display:none}.practice-stack{gap:18px;display:grid}.practice-mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.practice-stat{border:1px solid var(--line);background:#eaf1ef;padding:10px}.practice-stat b{font-size:1.2rem;display:block}.practice-print{display:none}.practice-site table{border-collapse:collapse;width:100%}.practice-site th,.practice-site td{border:1px solid var(--line);text-align:left;padding:7px}.practice-site th{background:#eef3f2}.practice-site details{margin:12px 0}.practice-site details summary{cursor:pointer;font-weight:700}.practice-site .muted{color:var(--muted);font-size:.86rem}.practice-ai-review{border:1px solid var(--line);background:#fff8e8;padding:12px}.practice-ai-review textarea{min-height:170px}.practice-loading{text-align:center;padding:60px}@media (max-width:900px){.practice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.practice-work-grid,.practice-intro-grid{grid-template-columns:1fr}}@media (max-width:600px){.practice-grid,.practice-info ol,.practice-mini-grid{grid-template-columns:1fr}.practice-hero{padding:35px 0 25px}.practice-hero h1{font-size:clamp(1.65rem,6vw,2rem)}.practice-shell{width:min(100% - 24px,1160px)}.practice-panel,.practice-work-panel,.practice-info,.practice-faq{padding:18px}.practice-work-head{display:block}.practice-work-actions{margin-top:14px}.practice-row{flex-wrap:wrap}}@media print{.practice-site{background:#fff}.practice-header,.practice-footer,.practice-work-head,.practice-editor,.practice-toolbar,.practice-work-actions{display:none!important}.practice-work-grid{display:block}.practice-work-panel{box-shadow:none;border:0;padding:0}.practice-result{white-space:pre-wrap;background:#fff;border:0;max-height:none;overflow:visible}.practice-print{display:block}.practice-stack>section:nth-child(2),.practice-workspace>.practice-message{display:none!important}}