*{box-sizing:border-box}html{color-scheme:light}body{margin:0;background:#fbf4e8;color:#4a3568;font:15px/1.5 system-ui,sans-serif}a{color:inherit}.shell{max-width:466px;margin:auto;padding:12px 14px max(10px,env(safe-area-inset-bottom))}.top{display:flex;align-items:center;gap:10px;height:42px;margin-bottom:12px;font-size:11px;font-weight:800;letter-spacing:.04em}.top img{width:34px;height:34px;border-radius:10px}.top a{margin-left:auto;font-size:12px;letter-spacing:0;font-weight:600}.top a.close{font-size:24px;margin-left:4px;text-decoration:none;padding:0 5px}#phone{position:relative;height:min(730px,calc(100dvh - 113px));min-height:420px;width:100%;border-radius:30px;overflow:hidden;background:#c7ccce;isolation:isolate}canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:none}button{font:800 15px system-ui;min-height:46px;padding:12px 20px;border:1px solid #74a675;border-radius:18px;background:linear-gradient(160deg,#e1fbc5,#9dce8d);color:#283c34;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #4a3568;outline-offset:3px}.panel{position:absolute;inset:0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;background:#fbf4e8ed;backdrop-filter:blur(9px);gap:12px}.panel h1{font-size:clamp(36px,9vw,48px);line-height:1.05;margin:0;font-weight:900;letter-spacing:-.035em}.panel h2{font-size:32px;line-height:1.1;margin:0}.panel p{max-width:310px;margin:0}.eyebrow{font-size:10px;letter-spacing:.12em;font-weight:800}.small{font-size:12px;line-height:1.55;opacity:.78}.key{display:flex;gap:17px;padding:14px 0}.key span{font-size:25px;font-weight:800}.key small{display:block;font-size:12px;font-weight:500}.panel button{width:100%;max-width:292px}.secondary{background:#fff8ee;border-color:#bab0c4}.hud-top{display:grid;grid-template-columns:1fr 1.4fr 1fr;align-items:start;gap:8px;padding:12px}#hud{position:absolute;inset:0 0 auto;pointer-events:none;z-index:2}#hearts,.score,#promptCard{background:#fdfbf7ed;border:1px solid #ffffff60;border-radius:18px;text-align:center;padding:8px;box-shadow:0 4px 8px #51445412}#hearts{font-size:18px;letter-spacing:1px;color:#ee777b}.score span,#modeLabel{font-size:9px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;display:block;opacity:.65}.score strong{font-size:25px;line-height:1.2;font-weight:500}#promptText{font-size:47px;line-height:1.25;display:block;color:#282b30;font-weight:500}.progress{margin:0 18px;display:flex;align-items:center;gap:10px;font-size:10px;font-weight:800;background:#fff9;border-radius:20px;padding:4px 9px}.meter{width:50px;height:4px;margin-left:auto;background:#ada9b9;overflow:hidden;border-radius:4px}#meterFill{height:100%;display:block;background:#67ac71}.pause{position:absolute;bottom:14px;right:14px;z-index:4;min-width:43px;min-height:43px;background:#fbfaf2d9;border:1px solid #fff8;padding:8px;font-size:19px}#toast{position:absolute;top:28%;left:16px;right:16px;text-align:center;z-index:4;pointer-events:none;font-size:17px;font-weight:800;color:#4a3568;text-shadow:0 1px 3px #fff;margin:0}#toast[data-kind=wrong]{color:#993f45}.final-score{font-size:68px;line-height:1.1;color:#457052}.result-back{font-size:13px;margin-top:4px}.note{font-size:10px;line-height:1.5;margin:8px 6px 0;text-align:center;opacity:.65}.sr-only{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}[hidden]{display:none!important}@media(max-height:690px){.shell{padding-top:7px}.top{margin-bottom:7px;height:36px}#phone{height:calc(100dvh - 97px);min-height:350px}.panel{gap:9px;padding:17px}.panel h1{font-size:35px}.key{padding:5px 0}.small{font-size:11px}.panel button{min-height:44px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
canvas:focus-visible{outline:3px solid #4a3568;outline-offset:-5px}
/* A slim device bezel surrounds every screen without covering its controls. */
.device-frame{position:relative;padding:7px;background:#22262c;border:1px solid #54585d;border-radius:38px;box-shadow:inset 0 0 0 1px #ffffff12}
.device-frame::before,.device-frame::after{content:'';position:absolute;pointer-events:none;background:#34383d;width:3px;border-radius:2px}
.device-frame::before{left:-3px;top:112px;height:44px}.device-frame::after{right:-3px;top:134px;height:58px}
.device-frame #phone{height:min(730px,calc(100dvh - 129px));border-radius:30px}
@media(max-height:690px){.device-frame{padding:6px;border-radius:35px}.device-frame #phone{height:calc(100dvh - 111px);border-radius:28px}}
.shell{max-width:632px}.demo-layout{display:grid;grid-template-columns:minmax(0,440px) 140px;gap:24px;justify-content:center;align-items:start}.note{max-width:440px}
.kana-legend{padding:20px 0;color:#4a3568}.kana-legend h2{font-size:10px;letter-spacing:.1em;font-weight:800;margin:0}.kana-legend dl{display:grid;gap:14px;margin:18px 0 0}.kana-legend dl>div{display:flex;align-items:center;gap:10px}.kana-legend dt{font-size:16px;font-weight:600;min-width:32px}.kana-legend dt::after{content:' =';font-weight:400;opacity:.65}.kana-legend dd{font-size:26px;font-weight:700;margin:0;line-height:1.3}
#phone canvas,#hud,#toast{user-select:none;-webkit-user-select:none}
@media(max-width:640px){.shell{max-width:466px}.demo-layout{grid-template-columns:minmax(0,1fr);gap:10px}.kana-legend{order:-1;padding:0 6px}.kana-legend h2{font-size:9px}.kana-legend dl{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;margin:5px 0 0}.kana-legend dl>div{gap:3px}.kana-legend dt{font-size:13px;min-width:0}.kana-legend dd{font-size:22px}.device-frame #phone{height:min(730px,calc(100dvh - 185px));min-height:420px}}
@media(max-width:640px) and (max-height:690px){.device-frame #phone{height:calc(100dvh - 167px);min-height:350px}}