:root{--green:#21594b;--ink:#243a34;--muted:#748079;--paper:#f7f8f2;--border:#e1e7dd;--lime:#e8edcf;--orange:#ba7144}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 'Segoe UI',Arial,sans-serif}a{color:var(--green);text-decoration:none}button,input,select{font:inherit}button,.button{cursor:pointer;border:1px solid var(--border);background:white;color:var(--ink);border-radius:9px;padding:10px 17px;display:inline-block;font-weight:600}button:hover,.button:hover{border-color:var(--green);background:#eff4e9}button:disabled{opacity:.55;cursor:default}button.primary,.button.primary{background:var(--green);color:white;border-color:var(--green)}button.primary:hover{background:#174437}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #ba7144;outline-offset:3px}.sidebar{position:fixed;inset:0 auto 0 0;width:246px;padding:35px 24px;background:#fff;border-right:1px solid var(--border);display:flex;flex-direction:column}.brand{display:flex;gap:11px;align-items:center;font-family:Georgia,serif;font-size:27px;font-weight:bold;letter-spacing:-1px}.brand-icon{background:var(--green);color:#e6edca;border-radius:13px;font:29px/1.5 Georgia;width:48px;text-align:center}.brand small{display:block;letter-spacing:1.7px;font:8px/2 'Segoe UI',sans-serif;color:var(--muted)}.nav-label{font-size:10px;font-weight:700;letter-spacing:1.8px;color:#929a8d;margin:50px 12px 15px}nav a{display:flex;gap:16px;align-items:center;padding:13px 15px;margin:4px 0;color:#758079;border-radius:9px;font-size:20px}nav a span{font-size:14px;font-weight:600}nav a.active{color:var(--green);background:#eaf0df}nav a:hover{background:var(--paper)}.side-bottom{margin-top:auto;padding:20px 12px 0}.side-bottom p{font:18px/1.5 Georgia;color:#697668}.side-bottom a{font-size:12px;color:var(--muted)}.shell{margin-left:246px}header{height:84px;padding:0 46px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:#fff9}header>div{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}#breadcrumb{font-size:13px;color:var(--muted)}.status-dot{height:7px;width:7px;border-radius:50%;background:#699359}.avatar{background:#eee9dc;border-radius:50%;height:35px;width:35px;display:grid;place-items:center;margin-left:17px;color:var(--green)}main{max-width:1320px;padding:36px 46px 60px;margin:auto;min-height:calc(100vh - 160px)}h1,h2,h3,p{margin-top:0}h1{font:44px/1.15 Georgia,serif;letter-spacing:-1.1px;margin-bottom:14px}h2{font:27px/1.3 Georgia,serif;letter-spacing:-.5px}h3{font-size:17px;line-height:1.4;margin-bottom:8px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;color:var(--orange);text-transform:uppercase;margin-bottom:12px}.muted{color:var(--muted)}.lede{max-width:600px;color:var(--muted);font-size:16px}.tag{display:inline-block;padding:4px 9px;background:var(--lime);border-radius:5px;font-size:10px;letter-spacing:1px;font-weight:700;color:var(--green)}.hero{background:#e9eedf;border-radius:18px;padding:34px 38px;position:relative;overflow:hidden;margin:27px 0}.hero .hero-text{position:relative;z-index:2;max-width:64%}.hero h2{font-size:33px}.hero p{max-width:470px;color:#61715e}.hero-art{position:absolute;right:20px;top:5px;width:260px;height:250px}.hero-art .sun{position:absolute;width:98px;height:98px;border-radius:50%;background:#d3dba9;left:120px;top:20px}.hero-art .hill{position:absolute;bottom:-26px;right:-35px;width:270px;height:165px;border-radius:100% 0 0 0;background:#b9cba5;transform:rotate(-9deg)}.hero-art .hill.second{background:#7b9a76;right:-96px;bottom:-52px;transform:rotate(16deg)}.hero-art .glyph{position:absolute;left:73px;top:52px;font:90px Georgia;color:#476b4a;writing-mode:vertical-rl;opacity:.85}.hero-art .stalk{position:absolute;background:#476b4a;width:3px;height:154px;right:25px;top:23px;transform:rotate(20deg)}.hero-art .leaf{position:absolute;width:38px;height:16px;border-radius:0 100% 0 100%;background:#476b4a;right:23px;top:61px;transform:rotate(5deg)}.hero-art .leaf.two{right:35px;top:92px;transform:rotate(100deg)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0 30px}.stat{padding:19px 23px;border:1px solid var(--border);background:#fff;border-radius:12px}.stat strong{display:block;font:29px/1.4 Georgia;margin:3px 0}.stat small{color:var(--muted)}.row{display:flex;align-items:center;justify-content:space-between;gap:15px}.section-heading{margin-top:33px;margin-bottom:18px}.section-heading h2{margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.two-col{display:grid;grid-template-columns:1.65fr 1fr;gap:22px}.card{background:white;border:1px solid var(--border);border-radius:13px;padding:24px}.card p{color:var(--muted);margin-bottom:16px}.card-icon{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;font-size:22px;background:#eef0dd;color:var(--green);margin-bottom:20px}.card-icon.orange{background:#f7eadd;color:var(--orange)}.card-icon.blue{background:#e6edf1;color:#547786}.bar{height:7px;border-radius:8px;overflow:hidden;background:#edf0e8;margin:13px 0}.bar span{display:block;height:100%;background:#7b9871}.steps{list-style:none;padding:0;margin:0}.steps li{display:flex;align-items:center;gap:15px;padding:16px 0;border-bottom:1px solid var(--border)}.steps li:last-child{border:0}.step-num{border:1px solid var(--border);border-radius:50%;width:29px;height:29px;text-align:center;color:#77866e}.steps strong{font-size:14px}.steps small{display:block;color:var(--muted)}.steps .button{margin-left:auto;padding:6px 11px;font-size:12px}.quote{background:#f1efdf;border:0}.quote .jp{font-size:24px;margin:15px 0}.jp{font-family:'Yu Gothic','Meiryo',sans-serif;line-height:2;letter-spacing:.06em}.unit{margin-top:25px}.unit-head{border-left:3px solid #a4b887;padding-left:15px;margin-bottom:14px}.unit-head h2{font-size:23px;margin:0}.lesson-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.lesson-tile{padding:21px 24px;display:flex;align-items:center;gap:18px}.lesson-tile h3{margin:3px 0;font-size:16px}.lesson-tile small{color:var(--muted)}.lesson-tile .number{font:24px Georgia;color:#a7b79a;min-width:28px}.lesson-tile .chevron{margin-left:auto;color:#829476}.tabs{display:flex;gap:7px;border-bottom:1px solid var(--border);padding-bottom:12px;margin:24px 0;flex-wrap:wrap}.tabs button{background:transparent;border-color:transparent;font-weight:500}.tabs button.active{background:var(--green);color:white}.reading-text{font-size:24px;line-height:2.2;background:#f5f7ee;padding:25px;border-radius:12px;margin:20px 0}.translation{border-left:3px solid #b6c497;padding:14px 20px;color:var(--muted)}.vocab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.vocab-item{padding:15px;border:1px solid var(--border);border-radius:8px;background:white}.vocab-item strong{font-size:20px}.vocab-item small{display:block;color:var(--muted)}.resource{padding:19px;border:1px solid var(--border);border-radius:9px;background:white;margin:10px 0}.resource .title{font-weight:600;overflow-wrap:anywhere}.resource small{display:block;color:var(--muted);font-size:11px;overflow-wrap:anywhere}.resource button,.resource .button{font-size:12px;padding:7px 12px;margin-top:10px}.filters{display:flex;gap:10px;margin:20px 0;flex-wrap:wrap}input,select{border:1px solid var(--border);border-radius:8px;background:#fff;padding:10px 13px;color:var(--ink)}input[type=search]{flex:1;min-width:170px}label{color:var(--muted);font-size:13px}.flashcard{width:100%;min-height:270px;background:#fff;border:1px solid var(--border);border-radius:18px;padding:35px;text-align:center;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--ink)}.flashcard .jp{font-size:57px}.flashcard .meaning{font:25px Georgia;margin-top:14px}.flashcard small{color:var(--muted);margin-top:18px}.review-wrap{max-width:680px;margin:25px auto}.center{text-align:center}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.center.actions{justify-content:center}.quiz{max-width:780px;margin:25px auto}.quiz .question{font-size:22px;line-height:1.7;margin:25px 0}.options{display:grid;grid-template-columns:1fr 1fr;gap:12px}.option{text-align:left;font-size:18px;padding:18px}.option.correct{background:#e7f0df;border:2px solid #608058;opacity:1}.option.wrong{background:#fae6e2;border:2px solid #b47566;opacity:1}.feedback{margin-top:20px;padding:18px;background:#eef3e6;border-radius:10px}.feedback.bad{background:#f8eee5}.note{padding:16px 20px;background:#eef1e2;border-radius:10px;color:#68745d;font-size:13px;margin:18px 0}.kana-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:7px}.kana-grid button{padding:10px 2px;font-size:21px}.kana-grid small{display:block;font-size:10px;color:var(--muted)}canvas{display:block;touch-action:none;background:#fff;border:1px solid var(--border);border-radius:12px;max-width:100%;margin:15px auto}.builder{display:flex;gap:8px;flex-wrap:wrap;padding:20px;min-height:78px;background:#edf2e4;border-radius:9px;margin:15px 0}.pill{background:white;border:1px solid var(--border);padding:8px 15px;border-radius:8px}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);padding:12px;font-size:13px}.table th{color:var(--muted)}details{margin:15px 0}summary{cursor:pointer;color:var(--green);font-weight:600}.big-score{font:70px Georgia;color:var(--green)}#player{position:fixed;bottom:20px;right:25px;width:395px;z-index:10;background:white;border:1px solid var(--border);border-radius:15px;box-shadow:0 10px 50px #1d37222a;padding:19px}#player[hidden]{display:none}#player strong{font-size:12px;display:block;line-height:1.4;margin:10px 0}audio{width:100%;height:38px}.player-top{display:flex;justify-content:space-between;align-items:center;font-size:9px;letter-spacing:1.3px;color:var(--muted)}.player-top button{padding:0 8px;border:0;font-size:22px}.player-actions{display:flex;align-items:center;gap:5px;margin:10px 0}.player-actions button{padding:6px;font-size:11px}.player-actions select{padding:3px;font-size:11px}.player-actions label{font-size:10px}#audio-note{font-size:10px;color:var(--muted)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:13px 23px;border-radius:10px;z-index:30;max-width:90%;box-shadow:0 4px 20px #0002}footer{padding:22px 46px;border-top:1px solid var(--border);color:#89917e;font-size:11px;display:flex;justify-content:space-between}.history{display:flex;gap:5px;flex-wrap:wrap;margin-top:20px}.day{width:20px;height:24px;border-radius:4px;background:#e7eddf}.day.done{background:#6a8b62}.danger{color:#a54d3e}.spacer{margin-top:22px}.check{color:var(--green)}.small{font-size:12px}#timer{font-variant-numeric:tabular-nums}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.auth-main{max-width:1120px;padding:55px 45px}.auth-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;margin-top:95px}.auth-layout h1{font-size:55px}.auth-card{padding:35px}.auth-card input{display:block;width:100%;margin:7px 0 20px}.auth-card button{width:100%;margin-top:5px}.auth-card [hidden]{display:none}#auth-message{font-size:13px;color:#a54d3e;margin-top:14px}#sync-status{font-size:10px;color:var(--muted);white-space:nowrap}@media(max-width:700px){.auth-main{padding:25px}.auth-layout{grid-template-columns:1fr;gap:20px;margin-top:35px}.auth-layout h1{font-size:39px}.auth-card{padding:25px}#sync-status{display:none}}
@media(min-width:1500px){main{padding-top:48px}.hero{padding:45px}.hero-art{right:60px}}@media(max-width:1100px){.sidebar{width:210px;padding:30px 18px}.brand{font-size:23px}.shell{margin-left:210px}main{padding:30px}.hero-art{right:-20px;opacity:.7}.stats{gap:10px}.stat{padding:14px}.grid{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.vocab-grid{grid-template-columns:repeat(2,1fr)}header{padding:0 30px}.lesson-list{grid-template-columns:1fr}.hero .hero-text{max-width:75%}}@media(max-width:700px){.sidebar{position:relative;width:auto;padding:17px;border-right:0;border-bottom:1px solid var(--border)}.brand{font-size:23px}.brand-icon{font-size:24px;width:40px}.nav-label,.side-bottom{display:none}nav{display:flex;overflow-x:auto;margin-top:14px;gap:7px}nav a{white-space:nowrap;padding:8px 12px;gap:7px;margin:0;font-size:17px}nav a span{font-size:12px}.shell{margin:0}header{height:55px;padding:0 20px}.avatar{display:none}main{padding:25px 20px}h1{font-size:34px}.hero{padding:25px;margin:20px 0}.hero h2{font-size:27px}.hero .hero-text{max-width:100%}.hero-art{display:none}.stats{grid-template-columns:1fr 1fr}.grid{grid-template-columns:1fr}.card{padding:21px}.kana-grid{grid-template-columns:repeat(5,1fr)}.options{grid-template-columns:1fr}.reading-text{font-size:20px;padding:19px}.vocab-grid{grid-template-columns:1fr 1fr}.row{flex-wrap:wrap}footer{padding:20px;gap:15px;flex-wrap:wrap}#player{right:10px;bottom:10px;width:calc(100% - 20px)}.table{display:block;overflow-x:auto}h2{font-size:24px}.flashcard .jp{font-size:46px}}

.level-picker{display:block;margin:24px 0 16px;font-size:11px;letter-spacing:1.2px;color:var(--muted)}.level-picker select{display:block;width:100%;margin-top:8px;font-size:13px;letter-spacing:0;padding:10px 8px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:8px}.reading-text{white-space:pre-line}