@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;600;700&display=swap');
:root{--navy:#102e49;--teal:#007b78;--mint:#d6f4e9;--yellow:#f7d55c;--paper:#f5f7f2;--muted:#627481}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--navy);font-family:'DM Sans','Noto Sans JP',sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #cf8700;outline-offset:4px}button[hidden],[hidden]{display:none!important}header{max-width:1240px;margin:auto;padding:28px 42px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dae2de}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--navy);font-size:23px;font-weight:800;letter-spacing:-1px}.logo{background:var(--navy);color:var(--yellow);border-radius:50%;width:37px;height:37px;display:grid;place-items:center}.brand-sub{font-size:9px;letter-spacing:2px;border-left:1px solid #bbc8c8;padding-left:15px;margin-left:10px}.edition{font-size:13px;letter-spacing:2px}.edition b{background:white;padding:8px;border-radius:8px;margin-left:12px}main{max-width:1156px;margin:0 auto;display:grid;grid-template-columns:1fr 1.24fr;gap:32px 60px;padding:52px 20px}.intro{padding-top:30px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.6px;display:block}.eyebrow span{margin-left:12px;background:var(--yellow);padding:6px;border-radius:4px;white-space:nowrap}h1{font-size:48px;font-weight:600;line-height:1.14;letter-spacing:-2.2px;margin:28px 0 20px}h1 em{font-style:normal;color:var(--teal)}.intro p{font-size:15px;line-height:1.8;color:var(--muted)}.tags{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0 40px}.tags span{font-size:11px;padding:8px 12px;border:1px solid #cbd8d3;border-radius:30px}.instructions{display:flex;flex-direction:column;gap:18px;font-size:12px;color:var(--muted)}.instructions b{color:var(--navy);margin-left:13px}.note{margin-top:52px;font-size:20px;color:#8ca49c;letter-spacing:6px}.note span{display:block;font-size:11px;letter-spacing:0;margin-top:10px}.game{border:1px solid #d6e0db;background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 15px 45px #173e3710}.game-top{display:flex;padding:20px 24px;align-items:center;gap:15px}.game-top small{display:block;font-size:9px;letter-spacing:1.2px;color:var(--muted);margin-bottom:4px}.game-top strong{font-size:14px}.score{margin-left:auto;color:var(--teal);font-size:22px;font-weight:700}.score small{display:inline;font-size:9px}.icon{border:1px solid #d6e0db;border-radius:10px;background:white;padding:9px 12px;color:var(--navy)}.progress-track{height:3px;background:#edf2ef}.progress-track div{height:100%;background:var(--teal);width:0;transition:width .25s}#arena{height:326px;position:relative;overflow:hidden;background:#e8f2ed}.arena-grid{position:absolute;inset:0;background-image:radial-gradient(#acc4b8 1px,transparent 1px);background-size:22px 22px;opacity:.35}.arena-label{position:absolute;top:14px;left:20px;font-size:8px;letter-spacing:2px;color:#829b91}.water{position:absolute;bottom:0;height:26px;background:#aedfd6;width:100%;border-radius:50% 45% 0 0;display:flex;justify-content:center;align-items:center;color:#4f8e86;font-size:9px}.water span{opacity:.6}#welcome{text-align:center;position:relative;padding-top:22px}.hero-icon{font-size:44px;margin-bottom:8px}h2{font-size:29px;letter-spacing:-1px;margin:10px 0}#welcome p{color:var(--muted);font-size:13px;line-height:1.6;margin:8px 0 16px}.primary{border:0;border-radius:11px;padding:13px 24px;background:var(--navy);color:white;font-weight:600;font-size:13px}.primary:hover{background:var(--teal)}#welcome .primary{min-width:205px;display:block;margin:auto}#welcome small{display:block;font-size:9px;color:var(--muted);margin-top:12px}#falling{position:absolute;top:34px;left:50%;width:174px;min-height:166px;background:#fff;border-radius:20px;box-shadow:0 8px 15px #173e3710;display:flex;flex-direction:column;align-items:center;padding:10px 8px 13px;transform:translate(-50%,0);border:1px solid #d7e3da}#drawing{font-size:68px;line-height:1.25;font-family:'Apple Color Emoji','Segoe UI Emoji','Noto Color Emoji',sans-serif}#meaning-pt{font-size:16px;margin-top:4px}#meaning-en{font-size:12px;color:var(--muted);margin-top:3px}#time{position:absolute;right:16px;top:15px;background:white;border-radius:20px;padding:7px 11px;font-variant-numeric:tabular-nums;font-size:12px;font-weight:700}#overlay{position:absolute;inset:0;z-index:3;background:#e8f2edee;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}#overlay h2{margin:0}.answer-area{padding:20px 24px 10px}.answer-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:12px;font-weight:600}.answer-heading small{font-size:8px;letter-spacing:.8px;color:#8c9a9f}#answers{display:grid;grid-template-columns:1fr 1fr;gap:10px}.option{position:relative;background:#fff;border:1px solid #d8e0dd;border-radius:12px;padding:12px 10px;color:var(--navy);min-height:76px;transition:background .15s;display:flex;flex-direction:column;align-items:center}.option:hover:not(:disabled){background:#edf6f1;border-color:var(--teal)}.option .number{position:absolute;top:8px;left:9px;font-size:9px;color:#879590}.option .jp{font-family:'Noto Sans JP',sans-serif;font-weight:600;font-size:21px;line-height:1.3}.option .reading{font-size:10px;color:#6a7e86;margin-top:5px}.option:disabled{cursor:default;opacity:1}.option.correct{background:#d8f3e5;border:2px solid #238f65}.option.wrong{background:#fff0ed;border:2px solid #cb6855}#feedback{font-size:11px;color:var(--muted);text-align:center;min-height:39px;padding-top:13px;line-height:1.5}#next{width:100%;margin:5px 0 10px}.game-footer{border-top:1px solid #eef1ed;padding:13px 24px;display:flex;justify-content:space-between;font-size:9px;color:#788b90;gap:10px}.game-footer button{border:0;background:none;color:var(--teal);font-size:10px;padding:0}.vocab-section{grid-column:1/-1;border-top:1px solid #d5dfd9;margin-top:8px}.vocab-section>button{width:100%;display:flex;justify-content:space-between;border:0;background:transparent;padding:22px 0;color:var(--navy);font-weight:600;font-size:13px}.vocab-section>button span{font-size:18px}#vocabulary{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.word{padding:15px;background:white;border:1px solid #dde6df;border-radius:12px;font-size:12px;line-height:1.6}.word b{font-size:18px}.word small{display:block;color:var(--muted)}#results{grid-column:1/-1;padding:30px;background:#fff;border-radius:20px;border:1px solid #d5dfd9}#results h2{margin-top:0}#results .review{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}footer{max-width:1156px;margin:auto;padding:20px 20px 30px;display:flex;justify-content:space-between;font-size:11px;font-weight:700;color:#7a9188}footer span{font-weight:400;font-size:10px}@media(max-width:850px){main{gap:25px;grid-template-columns:1fr;max-width:580px;padding-top:22px}.intro{padding-top:0}.intro h1{font-size:34px;margin:18px 0 12px}.intro h1 br{display:none}.intro p,.instructions,.note{display:none}.tags{margin:16px 0 0}.game{border-radius:20px}.brand-sub{display:none}header{padding:18px 22px}.eyebrow{font-size:9px}#vocabulary,#results .review{grid-template-columns:repeat(2,1fr)}footer{max-width:580px;gap:20px}.answer-heading small{display:none}}@media(max-width:380px){main{padding:18px 12px}.game-top,.answer-area{padding-left:16px;padding-right:16px}.intro h1{font-size:30px}.score small{display:none}#arena{height:300px}.game-footer{padding:12px}.brand{font-size:20px}}

/* Bilingual cover and supplied LEXINORI identity */
.brand-logo{width:43px;height:43px;object-fit:contain}.intro h1{font-size:52px}.intro p span{font-size:13px}.cover-art{height:310px;position:relative;margin-top:14px;overflow:hidden;border-radius:24px;background:linear-gradient(150deg,#e6f2ec00,#d6eee6)}.teacher{position:absolute;height:320px;width:250px;object-fit:contain;object-position:bottom;bottom:-16px;left:0}.welcome-note{position:absolute;right:10px;top:50px;background:white;border:1px solid #d2e2da;padding:15px;border-radius:16px;font-size:14px;font-weight:700;box-shadow:0 6px 20px #102e4908}.welcome-note span{font-size:12px;color:var(--teal)}.welcome-note b{display:block;font-size:11px;margin-top:9px}.watermark{position:absolute;width:260px;height:260px;object-fit:contain;left:50%;top:50%;transform:translate(-50%,-50%);opacity:.065;pointer-events:none}.welcome-logo{width:68px;height:68px;object-fit:contain;margin-bottom:7px}#arena{height:390px}#welcome{padding-top:17px}#welcome h2{font-size:24px;margin:8px 0}#welcome h2 span{font-size:16px;color:var(--teal)}#welcome p{font-size:12px;margin:8px 0 12px}.speed{border:0;padding:0;margin:0 auto 14px;display:flex;justify-content:center;gap:10px}.speed legend{font-size:10px;margin-bottom:8px;color:var(--muted)}.speed label{cursor:pointer;position:relative}.speed input{position:absolute;opacity:0}.speed label>span{display:block;border:1px solid #bfd2c8;border-radius:10px;padding:8px 17px;background:#fff9;min-width:130px;font-size:18px;font-weight:700}.speed small{display:block!important;margin-top:2px!important;font-size:9px!important}.speed input:checked+span{background:var(--navy);color:#fff;border-color:var(--navy)}.speed input:checked+span small{color:#d5e8e5!important}.speed input:focus-visible+span{outline:3px solid #ca9200;outline-offset:3px}.intro .tags{margin-bottom:15px}@media(max-width:850px){.intro h1{font-size:36px;margin:14px 0 8px}.intro h1 br{display:block}.intro p{display:block;font-size:12px;line-height:1.5;margin-bottom:6px}.intro p span{font-size:11px}.intro{position:relative;padding-right:105px;min-height:180px}.intro .eyebrow{font-size:8px;line-height:2}.intro .eyebrow span{margin-left:0}.intro .tags{gap:5px}.intro .tags span{font-size:9px;padding:6px 9px}.cover-art{position:absolute;right:-5px;bottom:0;height:160px;width:112px;margin:0;background:none;border-radius:0}.teacher{height:157px;width:125px;bottom:0;left:0}.welcome-note{display:none}.brand-logo{width:37px;height:37px}.answer-heading{font-size:11px}}@media(max-width:380px){.intro h1{font-size:30px}.intro{padding-right:90px}.cover-art{width:95px}.teacher{width:110px}#arena{height:390px}.speed label>span{min-width:116px;padding:8px 12px}.answer-heading{font-size:10px}}

#answer-signal{position:absolute;left:50%;top:16px;transform:translateX(-50%);z-index:2;display:flex;align-items:center;gap:10px;padding:9px 18px;border-radius:16px;background:#fff;box-shadow:0 5px 25px #102e4925;white-space:nowrap;font-size:12px;font-weight:700;border:2px solid currentColor;pointer-events:none}#answer-signal strong{font-size:32px;line-height:1}.signal-correct{color:#087e4d}.signal-wrong{color:#bc352e}.option.correct::after{content:'✓';position:absolute;right:8px;top:7px;font-size:18px;color:#087e4d}.option.wrong::after{content:'✕';position:absolute;right:8px;top:7px;font-size:18px;color:#bc352e}