:root{--bg: #08080c;--bg2: #0d0d13;--panel: rgba(255, 255, 255, .025);--panel2: #14141c;--line: rgba(255, 255, 255, .08);--line2: rgba(255, 255, 255, .14);--fg: #edecf2;--dim: #a7a3b6;--mut: #6d6a7e;--acc: #b9a6ff;--acc2: #8d6fff;--acc-soft: rgba(155, 131, 255, .14);--good: #8ce0b4;--bad: #ff9b9b;--sans: "Zen Kaku Gothic New", -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;--serif: "Shippori Mincho B1", serif;--mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}html.light-pre body{background:#f3f1fa;color:#161420}body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;letter-spacing:.01em;min-height:100vh;position:relative;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;z-index:-3;background:radial-gradient(60rem 40rem at 12% -8%,rgba(141,111,255,.2),transparent 60%),radial-gradient(50rem 35rem at 100% 0%,rgba(185,166,255,.1),transparent 55%),linear-gradient(180deg,var(--bg),var(--bg2))}#petals{position:fixed;inset:0;z-index:-1;pointer-events:none}body:after{content:"";position:fixed;inset:0;z-index:-2;opacity:.035;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}::selection{background:var(--acc-soft);color:#fff}header{position:sticky;top:0;z-index:20;padding:20px 26px 14px;backdrop-filter:blur(14px);background:linear-gradient(180deg,#08080cdb,#08080c66);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.brand-home{text-decoration:none;color:inherit;flex:1 1 auto}.brand-home h1{margin:0;transition:color .2s}.brand-home:hover h1{color:var(--acc)}h1{margin:2px 0 0;font-family:var(--serif);font-weight:600;font-size:24px;letter-spacing:.04em}h1 .en{font-family:var(--mono);font-size:12px;color:var(--dim);letter-spacing:.18em;margin-left:10px;text-transform:uppercase}#counts{display:block;font-family:var(--mono);font-size:11px;color:var(--mut);margin-top:6px;letter-spacing:.08em}.tabs{display:flex;gap:5px;margin-top:16px;flex-wrap:wrap}.tab{position:relative;background:transparent;border:1px solid transparent;color:var(--dim);padding:6px 12px;border-radius:10px;cursor:pointer;font-size:14px;font-weight:500;transition:.22s ease;letter-spacing:.02em;text-decoration:none;display:inline-block}.tab:hover{color:var(--fg);background:#ffffff08}.tab.active{color:#fff;background:var(--acc-soft);border-color:#9b83ff59;box-shadow:0 0 0 1px #9b83ff1f,0 8px 30px -12px #8d6fff99}.tab .ten{font-size:12px;opacity:.6;letter-spacing:.08em;margin-left:3px}main{max-width:820px;margin:0 auto;padding:30px 22px 80px}@keyframes fade{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.page-enter{animation:fade .4s ease}.controls{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px;align-items:center}.filter-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}.filter-start{display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex:1 1 auto}.filter-end{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}.search-row{margin-bottom:20px}.search-row input{width:100%;box-sizing:border-box}.mode-toggle{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.mode-toggle button{background:transparent;border:none;color:var(--mut);padding:6px 11px;font-size:12px;font-family:var(--mono);cursor:pointer;transition:.15s;white-space:nowrap}.mode-toggle button+button{border-left:1px solid var(--line)}.mode-toggle button:hover:not(:disabled){color:var(--fg);background:#ffffff0a}.mode-toggle button.active{color:var(--acc);background:var(--acc-soft)}body.light .mode-toggle button.active{color:var(--acc2);background:var(--acc-soft)}.mode-toggle.disabled{opacity:.35}.mode-toggle button:disabled{cursor:default}select,input{background:var(--panel2);border:1px solid var(--line);color:var(--fg);padding:9px 12px;border-radius:10px;font-size:13.5px;font-family:var(--sans);transition:.2s}select{appearance:none;-webkit-appearance:none;-moz-appearance:none;cursor:pointer;padding-right:32px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5L6 8l3.5-3.5' fill='none' stroke='%239a96ad' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;background-size:12px}input::placeholder{color:var(--mut)}select:focus,input:focus{outline:none;border-color:var(--acc2);box-shadow:0 0 0 3px var(--acc-soft)}select option{background:var(--panel2);color:var(--fg)}.muted{color:var(--dim);font-size:13px;display:inline-flex;align-items:center;gap:6px}.muted input{accent-color:var(--acc2)}.btn{background:#ffffff08;border:1px solid var(--line);color:var(--fg);padding:9px 16px;border-radius:10px;cursor:pointer;font-size:13.5px;font-family:var(--sans);transition:.2s ease}.btn:hover{border-color:var(--line2);background:#ffffff0f;transform:translateY(-1px)}.btn.primary{background:linear-gradient(135deg,var(--acc2),var(--acc));color:#0a0612;border:none;font-weight:700;box-shadow:0 10px 30px -12px #8d6fffcc}.btn.primary:hover{filter:brightness(1.08);transform:translateY(-1px)}.stat{color:var(--mut);font-size:12px;font-family:var(--mono);margin-left:auto;letter-spacing:.04em}.card{position:relative;background:linear-gradient(180deg,#ffffff0a,#ffffff03);border:1px solid var(--line);border-radius:22px;padding:54px 26px;text-align:center;min-height:260px;display:flex;flex-direction:column;justify-content:center;cursor:pointer;user-select:none;backdrop-filter:blur(6px);transition:.25s ease;overflow:hidden}.card:before{content:"";position:absolute;inset:0;border-radius:22px;padding:1px;background:linear-gradient(135deg,rgba(155,131,255,.5),transparent 40%,transparent 60%,rgba(185,166,255,.25));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.5;transition:.25s}.card:hover{transform:translateY(-2px);box-shadow:0 30px 70px -40px #8d6fffb3}.card:hover:before{opacity:.9}.front{font-size:56px;font-weight:500;line-height:1.15}.reading{font-size:23px;color:var(--acc);margin-top:16px;font-family:var(--serif)}.meaning{font-size:20px;margin-top:10px;color:var(--fg)}.ex{font-size:17px;color:var(--dim);margin-top:20px;line-height:1.75}.exen{font-size:13.5px;color:var(--mut);margin-top:5px;font-style:italic}.hint{color:var(--mut);font-size:12.5px;margin-top:18px;font-family:var(--mono);letter-spacing:.05em}.lbadge{display:inline-block;margin-top:16px;font-family:var(--mono);font-size:11px;color:var(--good);border:1px solid rgba(140,224,180,.4);border-radius:999px;padding:3px 12px;letter-spacing:.08em}.row{display:flex;gap:10px;margin-top:16px;justify-content:center;flex-wrap:wrap}.note{color:var(--mut);font-size:12.5px;margin-top:16px;line-height:1.7;text-align:center}.note b{color:var(--dim)}.q{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px;backdrop-filter:blur(6px)}.qtext{font-size:22px;line-height:1.85;margin-bottom:20px}.opt{display:block;width:100%;text-align:left;background:var(--panel2);border:1px solid var(--line);color:var(--fg);padding:14px 17px;border-radius:13px;margin-bottom:11px;cursor:pointer;font-size:18px;font-family:var(--sans);transition:.18s}.opt:hover{border-color:var(--acc2);background:#9b83ff12;transform:translate(2px)}.opt.correct{background:#8ce0b424;border-color:var(--good)}.opt.wrong{background:#ff9b9b1f;border-color:var(--bad)}.fb{margin-top:10px;font-size:14.5px;min-height:24px;line-height:1.7}.fb .pt{color:var(--acc);font-family:var(--mono);font-size:13px}.fb .tr{color:var(--dim)}.g{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin-bottom:11px;transition:.2s}.g:hover{border-color:var(--line2);background:#ffffff09}.gpoint{font-size:20px;font-weight:700;font-family:var(--serif)}.gbadge{font-family:var(--mono);font-size:10px;background:var(--acc-soft);border:1px solid rgba(155,131,255,.3);padding:2px 9px;border-radius:6px;color:var(--acc);margin-left:10px;vertical-align:middle;letter-spacing:.06em}.gform{color:var(--acc);font-size:13.5px;margin-top:6px;font-family:var(--mono)}.gmean{margin-top:7px;color:var(--fg)}.gex{margin-top:10px;color:var(--dim)}.gexen{color:var(--mut);font-size:13.5px;font-style:italic}rt{font-size:.65em;color:var(--acc);font-weight:400}.nofuri rt{display:none}.error-msg{color:var(--bad);font-size:14px;padding:24px 0;line-height:1.7}.error-msg code{font-family:var(--mono);font-size:12px;opacity:.75;display:block;margin-top:6px}.foot{text-align:center;padding:34px 20px 46px;color:var(--mut);font-family:var(--mono);font-size:12px;letter-spacing:.1em;border-top:1px solid var(--line);margin-top:30px}.foot b{color:var(--acc);font-weight:500}.foot .astflower{color:var(--acc);vertical-align:-3px;margin-right:6px;filter:drop-shadow(0 0 6px rgba(155,131,255,.7));animation:spin 16s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.themebtn{margin-left:auto;font-size:12px;padding:6px 13px;font-family:var(--mono);letter-spacing:.04em}.kgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:11px}.kc{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:15px;transition:.2s}.kc:hover{border-color:#9b83ff66;transform:translateY(-2px);box-shadow:0 20px 44px -30px #8d6fffb3}.kc .kch{font-size:38px;font-weight:500;line-height:1;font-family:var(--serif)}.kc .kmean{font-size:13px;margin-top:8px;color:var(--fg)}.kc .kr{font-size:11.5px;color:var(--mut);margin-top:7px;line-height:1.6;font-family:var(--mono)}.kc .kr b{color:var(--acc);font-weight:500}.kc .kex{font-size:11px;color:var(--dim);margin-top:8px;border-top:1px solid var(--line);padding-top:8px}.kc .klv{float:right;font-family:var(--mono);font-size:9.5px;border:1px solid var(--line2);border-radius:5px;padding:1px 7px;color:var(--mut);letter-spacing:.06em}#kflash .kch{font-size:104px;font-weight:500;font-family:var(--serif);line-height:1}#kflash .kr{font-size:18px;margin-top:16px;color:var(--fg);font-family:var(--mono)}#kflash .kr b{color:var(--acc)}#kflash .ex{font-size:15px;margin-top:14px}.wgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:11px}.synw{font-size:26px;font-weight:500;font-family:var(--serif);line-height:1.1}.synr{font-size:12.5px;color:var(--acc);margin-top:4px;font-family:var(--mono)}.synm{font-size:13.5px;color:var(--dim);margin-top:4px}.synlist{margin-top:12px;border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:11px}.synj{font-size:16.5px;font-weight:500}.synrd{font-size:11.5px;color:var(--mut);font-family:var(--mono);margin-left:7px}.synnote{font-size:12px;color:var(--dim);margin-top:2px;line-height:1.5}.kgw{font-size:24px;font-weight:500;font-family:var(--serif);line-height:1.15}.kgw .kgr{font-size:12.5px;color:var(--acc);font-family:var(--mono);margin-left:8px;font-weight:400}.kgm{font-size:13px;color:var(--dim);margin-top:4px}.kgrows{margin-top:12px;border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:9px}.kgrow{display:flex;align-items:baseline;gap:9px}.kglbl{flex:0 0 auto;font-family:var(--mono);font-size:10px;padding:2px 8px;border-radius:6px;letter-spacing:.05em;border:1px solid var(--line2);color:var(--mut)}.kglbl.son{color:var(--good);border-color:#8ce0b466}.kglbl.ken{color:var(--acc);border-color:#9b83ff66}.kgf{font-size:15px}.kgf .kgfr{font-size:11px;color:var(--mut);font-family:var(--mono);margin-left:6px}.kgf.na{color:var(--mut);opacity:.55}.kgnote{margin-top:11px;font-size:11.5px;color:var(--mut);line-height:1.55;border-top:1px solid var(--line);padding-top:10px}.qhint{font-size:13.5px;color:var(--mut);margin-top:9px;font-family:var(--sans);font-style:italic}.qtype{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--acc);border:1px solid rgba(155,131,255,.3);border-radius:6px;padding:2px 8px;margin-bottom:14px;display:inline-block}.cjw{font-size:24px;font-weight:500;font-family:var(--serif);line-height:1.15}.cjw .cjr{font-size:12.5px;color:var(--acc);font-family:var(--mono);margin-left:8px;font-weight:400}.cjm{font-size:13px;color:var(--dim);margin-top:4px}.cjt{margin-top:12px;border-top:1px solid var(--line);padding-top:12px;display:grid;grid-template-columns:auto 1fr;gap:7px 11px;align-items:baseline}.cjlbl{font-family:var(--mono);font-size:9.5px;color:var(--mut);letter-spacing:.04em;white-space:nowrap;padding-top:1px}.cjf{font-size:15px;line-height:1.3}.cjf .cjfr{font-size:10.5px;color:var(--mut);font-family:var(--mono);margin-left:6px}.cjf.na{color:var(--mut);opacity:.55}.nofuri .cjfr{display:none}body.light{--bg: #f3f1fa;--bg2: #e6e3f2;--panel: #ffffff;--panel2: #ffffff;--line: rgba(26, 20, 44, .14);--line2: rgba(26, 20, 44, .26);--fg: #161420;--dim: #3d394d;--mut: #696579;--acc: #6a44ef;--acc2: #5733de;--acc-soft: rgba(106, 68, 239, .12);--good: #177a52;--bad: #cf403d}body.light:before{background:radial-gradient(60rem 40rem at 12% -8%,rgba(120,88,255,.16),transparent 60%),radial-gradient(50rem 35rem at 100% 0%,rgba(150,120,255,.1),transparent 55%),linear-gradient(180deg,var(--bg),var(--bg2))}body.light:after{opacity:.02}body.light header{border-bottom-color:#1a142c1f;background:linear-gradient(180deg,#f3f1faf0,#f3f1fa99)}body.light .card{background:linear-gradient(180deg,#fff,#f6f4ff);box-shadow:0 22px 52px -34px #6a44ef6b}body.light .card:before{opacity:.6}body.light .btn{background:#fff;color:var(--fg)}body.light .btn:hover{background:#efebfb;border-color:var(--line2)}body.light .opt{background:#fff}body.light .opt:hover{background:#6a44ef12}body.light .tab{color:var(--dim)}body.light .tab:hover{background:#1a142c0d;color:var(--fg)}body.light .tab.active{color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--acc2),var(--acc));box-shadow:0 10px 26px -14px #6a44efb3}body.light .btn.primary{color:#fff;background:linear-gradient(135deg,var(--acc2),var(--acc));border:none}body.light .brand-home:hover h1,body.light .gbadge{color:var(--acc2)}body.light .lbadge{color:var(--good);border-color:#177a5273}body.light rt{color:var(--acc2)}body.light .opt.correct{background:#177a521f}body.light .opt.wrong{background:#cf403d1a}@media(max-width:600px){header{padding:14px 16px 10px}h1{font-size:19px}h1 .en{display:none}.tabs{flex-wrap:nowrap;overflow-x:auto;gap:5px;padding-bottom:5px;-webkit-overflow-scrolling:touch}.tab{flex:0 0 auto;padding:7px 12px;font-size:13px}main{padding:20px 14px 70px}.controls{gap:7px}.controls .btn,.controls select,.controls input{font-size:13px;padding:8px 10px}.filter-row{gap:6px}.filter-end{width:100%;margin-left:0;justify-content:flex-end}.mode-toggle button{padding:5px 9px;font-size:11px}.stat{width:100%;margin-left:0;order:9}.card{padding:38px 18px;min-height:210px;border-radius:18px}.front{font-size:44px}.reading{font-size:19px}.meaning{font-size:18px}.ex{font-size:15px}.row{gap:7px}.row .btn{flex:1 1 auto;min-width:0;padding:11px 8px;font-size:13px}.opt{font-size:16px;padding:12px 14px}.qtext{font-size:19px}.kgrid{grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:9px}.kc .kch{font-size:32px}#kflash .kch{font-size:78px}.wgrid{grid-template-columns:1fr;gap:9px}.level-bar{gap:4px}.feat-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:9px}.hero-title{font-size:30px}.level-btns{gap:8px}.level-btns .level-btn{padding:10px 18px;font-size:13px}}.level-bar{display:flex;gap:5px;margin-top:12px;flex-wrap:wrap}.level-chip{background:transparent;border:1px solid var(--line);color:var(--mut);padding:5px 13px;border-radius:999px;cursor:pointer;font-size:12px;font-family:var(--mono);letter-spacing:.06em;transition:.18s ease}.level-chip:hover{color:var(--fg);border-color:var(--line2);background:#ffffff08}.level-chip.active{color:var(--acc);border-color:#b9a6ff73;background:var(--acc-soft)}body.light .level-chip.active{color:var(--acc2);border-color:var(--acc2)}.landing{max-width:700px;margin:0 auto;padding:10px 0 70px}.hero{text-align:center;padding:28px 0 12px}.hero-title{font-family:var(--serif);font-size:40px;font-weight:600;letter-spacing:.04em;margin:0;line-height:1.2}.hero-title rt{font-size:.42em;color:var(--acc);font-weight:400}.hero-sub{font-size:17px;color:var(--dim);margin:16px auto 0;max-width:520px;line-height:1.75}.level-pick{margin-top:34px}.level-pick-label{display:block;font-family:var(--mono);font-size:13px;color:var(--mut);letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;text-align:center}.level-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.level-btns .level-btn{font-family:var(--mono);font-weight:700;font-size:14px;letter-spacing:.05em;padding:11px 24px;border-radius:12px;border:1px solid var(--line2);color:var(--dim);background:#ffffff08;text-decoration:none;transition:.22s ease;display:inline-block}.level-btns .level-btn:hover{color:var(--fg);border-color:#b9a6ff80;background:var(--acc-soft);transform:translateY(-2px)}.level-btns .level-btn.active{color:var(--acc);border-color:#b9a6ff80;background:var(--acc-soft)}body.light .level-btns .level-btn{background:#fff;color:var(--dim)}body.light .level-btns .level-btn:hover{background:#6a44ef14;color:var(--acc2)}body.light .level-btns .level-btn.active{color:var(--acc2);background:#6a44ef1a;border-color:var(--acc2)}.features{margin-top:54px}.section-title{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:.04em;margin:0 0 18px}.feat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(175px,1fr));gap:11px}.feat-card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:17px;text-decoration:none;color:inherit;transition:.2s ease;display:block}.feat-card:hover{border-color:#9b83ff66;transform:translateY(-2px);box-shadow:0 16px 38px -26px #8d6fff99}.feat-jp{font-family:var(--serif);font-size:22px;font-weight:500;line-height:1}.feat-en{font-family:var(--mono);font-size:10.5px;color:var(--acc);letter-spacing:.08em;margin-top:5px;text-transform:uppercase}.feat-desc{font-size:12.5px;color:var(--dim);margin-top:8px;line-height:1.55}body.light .feat-card{background:#fff}body.light .feat-en{color:var(--acc2)}.how-to{margin-top:54px}.steps{padding:0;margin:0;color:var(--dim);font-size:14px;line-height:1.9;list-style:none;counter-reset:step}.steps li{counter-increment:step;position:relative;padding-left:28px;margin-bottom:6px}.steps li:before{content:counter(step);position:absolute;left:0;font-family:var(--mono);font-size:11px;color:var(--acc);font-weight:700;top:4px}.disclaimer{margin-top:54px;padding:18px 22px;border:1px solid var(--line);border-radius:14px;background:#ffffff04;font-size:15px;color:var(--dim);line-height:1.75}.disclaimer b{color:var(--fg)}.disclaimer em{color:var(--acc);font-style:normal}body.light .disclaimer{background:#1a142c0a}body.light .disclaimer em{color:var(--acc2)}
