:root{--bg: #14121b;--card: #1f1b2b;--card2: #292337;--line: #ffffff1a;--text: #f6f3f0;--muted: #a9a6b8;--pink: #ff7a9c;--pink-d: #c94d6f;--green: #3ddc97;--green-d: #22a06b;--red: #ff5d73;--red-d: #b8374a;--gold: #ffc857;--gold-d: #c4952e;font-family:Inter,Nunito,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text);background:var(--bg);font-synthesis:none;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:radial-gradient(ellipse at 50% -10%,#3a2236,transparent 55%),var(--bg)}button{font-family:inherit}.muted{color:var(--muted);line-height:1.5}.small{font-size:12px}.center-text{text-align:center}h2{margin:6px 0;font-size:22px}h3{margin:14px 0 6px;font-size:15px}.big{font-size:68px;font-family:serif}.pulse{animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{50%{transform:scale(1.08);opacity:.8}}.pbtn{border:0;border-radius:16px;padding:14px 20px;font-size:15px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;color:#10241b;transition:transform .06s,box-shadow .06s}.pbtn:active:not(:disabled){transform:translateY(3px);box-shadow:none!important}.pbtn:disabled{opacity:.4;cursor:default}.pbtn.green{background:var(--green);box-shadow:0 4px 0 var(--green-d)}.pbtn.red{background:var(--red);box-shadow:0 4px 0 var(--red-d);color:#2a0b11}.pbtn.gold{background:var(--gold);box-shadow:0 4px 0 var(--gold-d);color:#2c2108}.pbtn.ghost{background:var(--card2);box-shadow:0 4px #17131f;color:var(--text)}.pbtn.wide{width:100%}.pbtn.grow{flex:1}.app{max-width:520px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}.top{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:max(10px,env(safe-area-inset-top)) 16px 10px;background:#14121bee;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:8px;font-size:18px}.mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(145deg,#ff9db4,#a64d7a);font-family:serif;font-size:20px;box-shadow:0 3px #6d2f52}.chips{display:flex;gap:8px}.chip{padding:6px 11px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-weight:800;font-size:14px}.content{flex:1;padding:8px 16px 110px}.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:center;gap:4px;padding:6px 10px max(8px,env(safe-area-inset-bottom));background:#14121bf2;border-top:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.tabbar button{flex:1;max-width:120px;display:grid;justify-items:center;gap:2px;padding:6px 0;background:none;border:1px solid transparent;border-radius:14px;color:var(--muted);cursor:pointer;font-size:20px}.tabbar button small{font-size:11px;font-weight:700}.tabbar button.on{color:var(--text);background:var(--card2);border-color:#ff7a9c55}.screen{max-width:520px;margin:0 auto;padding:max(18px,env(safe-area-inset-top)) 18px 24px;min-height:100vh}.screen.center{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:50}.path{padding-top:6px}.unit{margin-top:10px}.unit.locked .nodes{opacity:.55}.banner{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-radius:18px;box-shadow:0 4px #0004}.banner.b1{background:linear-gradient(135deg,#e0577e,#9b4c9a)}.banner.b2{background:linear-gradient(135deg,#3d8bd9,#6a4cc4)}.banner-sub{font-size:12px;font-weight:800;letter-spacing:.12em;opacity:.85}.banner-title{font-size:19px;font-weight:800;margin-top:2px}.banner-glyph{font-size:46px;font-family:serif;opacity:.35}.lockbtn{margin-top:10px}.nodes{display:flex;flex-direction:column;align-items:center;gap:30px;padding:30px 0 8px}.node-row{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px}.node{width:76px;height:76px;border-radius:50%;border:0;display:grid;place-items:center;font-size:28px;font-weight:900;color:#7f7b90;background:#35304a;box-shadow:0 6px #231f33;cursor:default}.node.open{color:#2a0b16;background:var(--pink);box-shadow:0 6px 0 var(--pink-d);cursor:pointer}.node.done{color:#3a2a05;background:var(--gold);box-shadow:0 6px 0 var(--gold-d)}.node.boss{width:88px;height:88px;border-radius:28px;font-size:38px}.node.cur{animation:bob 1.6s ease-in-out infinite}.node.open:active{transform:translateY(4px);box-shadow:0 2px 0 var(--pink-d)}@keyframes bob{50%{transform:translateY(-5px)}}.bubble{position:absolute;top:-34px;padding:5px 12px;border-radius:12px;background:var(--card);border:2px solid var(--pink);color:var(--pink);font-size:12px;font-weight:900;letter-spacing:.08em;animation:bob 1.6s ease-in-out infinite}.bubble:after{content:"";position:absolute;left:50%;bottom:-7px;width:10px;height:10px;background:var(--card);border-right:2px solid var(--pink);border-bottom:2px solid var(--pink);transform:translate(-50%) rotate(45deg)}.node-label{font-size:12px;font-family:Noto Sans JP,Yu Gothic,serif;color:var(--muted);letter-spacing:.12em}.credit{margin:30px 0 0;text-align:center;font-size:10px;color:#6e6f7d}.tab{padding-top:8px;display:flex;flex-direction:column;gap:10px}.empty{padding:22px;border-radius:18px;background:var(--card);text-align:center;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.tile{display:grid;place-items:center;gap:2px;padding:10px 0;border-radius:14px;background:var(--card);border:1px solid var(--line);color:var(--text);cursor:pointer}.tile.on{border-color:var(--pink)}.tile .g{font-size:26px;font-family:Noto Sans JP,Yu Gothic,serif}.tile .r{font-size:11px;color:var(--muted)}.league{list-style:none;margin:0;padding:0;display:grid;gap:8px}.league li{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;background:var(--card);border:1px solid var(--line)}.league li.me{border-color:var(--pink);background:#2c2036}.league .pos{width:30px;text-align:center;font-weight:900}.league .nm{flex:1;font-weight:700}.avatar{width:84px;height:84px;margin:4px auto;display:grid;place-items:center;border-radius:50%;font-size:38px;font-weight:900;color:#2a0b16;background:var(--pink);box-shadow:0 5px 0 var(--pink-d)}.stats3{display:flex;gap:10px;justify-content:center;width:100%}.stat{flex:1;display:grid;gap:2px;padding:12px 6px;text-align:center;border-radius:16px;background:var(--card);border:1px solid var(--line)}.stat b{font-size:19px}.stat span{font-size:12px;color:var(--muted)}.badges{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.badge{padding:8px 14px;border-radius:999px;background:var(--card2);font-weight:800}.card2{display:grid;gap:8px;width:100%;padding:16px;border-radius:18px;background:var(--card);border:1px solid var(--line);text-align:left}.toggle{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-radius:16px;background:var(--card);border:1px solid var(--line)}.tariffs{display:grid;gap:10px;width:100%}.tariff{display:flex;justify-content:space-between;align-items:center;padding:16px;border-radius:18px;border:2px solid var(--line);background:var(--card);color:var(--text);font-size:17px;cursor:pointer;box-shadow:0 4px #0005}.tariff.best{border-color:var(--gold)}.tariff em{margin-left:8px;font-style:normal;font-size:11px;padding:3px 8px;border-radius:8px;background:var(--gold);color:#2c2108;font-weight:800}.tariff strong{font-size:20px}.perks{list-style:none;padding:0;margin:4px 0;display:grid;gap:6px;color:var(--muted);text-align:left}.perks li:before{content:"✓ ";color:var(--green);font-weight:900}.lesson{display:flex;flex-direction:column;padding-bottom:130px}.topbar{display:flex;align-items:center;gap:12px;margin-bottom:8px}.x{background:none;border:0;color:var(--muted);font-size:22px;cursor:pointer;padding:4px 8px}.bar{flex:1;height:14px;border-radius:9px;background:#ffffff14;overflow:hidden}.bar div{height:100%;border-radius:9px;background:var(--green);transition:width .3s}.hearts{font-size:15px;letter-spacing:2px}.stage{flex:1;display:flex;flex-direction:column;align-items:center;gap:14px;padding-top:10px;text-align:center;animation:slidein .25s ease-out}@keyframes slidein{0%{opacity:0;transform:translate(24px)}}.eyebrow{margin:0;font-size:12px;font-weight:900;letter-spacing:.16em;color:var(--pink)}.glyph{font-family:Noto Sans JP,Hiragino Sans,Yu Gothic,serif;line-height:1.1}.glyph.huge{font-size:110px}.glyph.word{font-size:64px;letter-spacing:.06em}.romaji{font-size:30px;font-weight:900;color:var(--gold)}.romaji.big2{font-size:54px}.prompt{font-size:18px;display:flex;align-items:center;gap:8px}.prompt b{color:var(--gold);font-size:24px}.speaker{border:0;border-radius:50%;width:64px;height:64px;font-size:28px;cursor:pointer;background:#3d8bd9;box-shadow:0 5px #2a63a1}.speaker.xl{width:110px;height:110px;font-size:48px}.speaker.sm{width:42px;height:42px;font-size:18px;box-shadow:0 3px #2a63a1}.speaker:active{transform:translateY(3px);box-shadow:none}.opts{display:grid;gap:10px;width:100%;margin-top:6px}.opts.tiles{grid-template-columns:1fr 1fr}.opt{padding:16px 10px;border-radius:16px;border:2px solid var(--line);background:var(--card);color:var(--text);font-size:19px;font-weight:800;cursor:pointer;box-shadow:0 4px #0006;font-family:inherit}.opts.tiles .opt{font-size:40px;font-family:Noto Sans JP,Yu Gothic,serif;padding:18px 6px}.opt.ok{border-color:var(--green);background:#1b3b2e}.opt.bad{border-color:var(--red);background:#3d1b24}.draw{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%}.canvas{touch-action:none;border-radius:22px;border:2px solid var(--line);background:#191624}.draw-row{display:flex;gap:8px;width:100%}.draw-row .pbtn{padding:12px 14px;font-size:13px}.dock{position:fixed;left:0;right:0;bottom:0;padding:14px 18px max(18px,env(safe-area-inset-bottom));background:linear-gradient(transparent,var(--bg) 40%);max-width:520px;margin:0 auto}.sheet{position:fixed;left:0;right:0;bottom:0;z-index:40;animation:up .22s ease-out}@keyframes up{0%{transform:translateY(100%)}}.sheet.ok{background:#1b3b2e;border-top:2px solid var(--green)}.sheet.bad{background:#3d1b24;border-top:2px solid var(--red)}.sheet-in{max-width:520px;margin:0 auto;padding:16px 18px max(18px,env(safe-area-inset-bottom));display:grid;gap:10px;text-align:left}.sheet-title{font-size:20px;font-weight:900}.sheet.ok .sheet-title{color:var(--green)}.sheet.bad .sheet-title{color:var(--red)}.sheet-detail{color:#e6dfe3;font-size:15px}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#000a;display:grid;place-items:center;padding:20px}.modal-box{width:100%;max-width:380px;display:grid;gap:10px;padding:22px;border-radius:22px;background:var(--card);text-align:center}.modal-box h3{margin:0;font-size:20px}.banner{border:0;width:100%;color:inherit;font:inherit;text-align:left;cursor:pointer}.banner.b3{background:linear-gradient(135deg,#2fa37a,#2a6fb5)}.banner.b4{background:linear-gradient(135deg,#d98a2b,#c24c5a)}.node.wordnode{font-size:17px;font-family:Noto Sans JP,Yu Gothic,serif;border-radius:22px;width:92px}.node-row{max-width:160px;text-align:center}.mnemo{max-width:330px;margin:6px auto 0;line-height:1.45;color:#e6dfe3;font-size:16px;text-align:center}.trans{font-size:30px;font-weight:900;color:var(--gold);text-align:center;padding:0 12px}.chips2{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:6px 0}.chip2{display:grid;place-items:center;padding:6px 10px;border-radius:12px;background:var(--card);border:1px solid var(--line)}.chip2 b{font-size:26px;font-family:Noto Sans JP,Yu Gothic,serif}.chip2 small{color:var(--muted);font-size:11px}.opts.kanaopts .opt{font-size:26px;font-family:Noto Sans JP,Yu Gothic,serif}.slots{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:8px 0}.slot{min-width:46px;height:56px;border-radius:12px;border:2px dashed var(--line);background:transparent;color:var(--text);font-size:28px;font-family:Noto Sans JP,Yu Gothic,serif}.strokeanim{display:grid;gap:10px;justify-items:center}.wordlist{display:grid;gap:8px;width:100%}.wrow{display:grid;grid-template-columns:auto 1fr;gap:0 12px;align-items:center;text-align:left;padding:10px 14px;border-radius:14px;background:var(--card);border:1px solid var(--line);color:var(--text);cursor:pointer}.wrow .g{grid-row:span 2;font-size:24px;font-family:Noto Sans JP,Yu Gothic,serif}.wrow .r{font-size:12px;color:var(--muted)}.wrow .t{font-weight:800}