:root{--bg:#f5f4f0;--paper:#fffefa;--ink:#28332f;--muted:#707c76;--line:#dedfd8;--accent:#3e6a5a;--soft:#e8eee6;--on:#fff;--bad:#a84e3b;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 LingoAppSans,system-ui,sans-serif}button,textarea,select{font:inherit;color:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{opacity:.45;cursor:default}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}.top{border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}.top-in{max-width:820px;margin:auto;padding:14px 20px;display:flex;align-items:center;gap:8px}.brand{flex:1;min-width:0;font-size:21px;font-weight:750}.brand 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var(--line);margin-top:18px;padding-top:12px}summary{font-size:12px;color:var(--muted);cursor:pointer;min-height:32px}.feedback{margin-top:20px;border-top:1px solid var(--line);padding-top:18px}.feedback>b{font-size:16px;color:var(--bad)}.feedback.good>b{color:var(--accent)}.finish{text-align:center}.reward{display:block;font-size:36px;color:var(--accent);margin:20px 0}#status{font-size:13px;color:var(--bad)}#status:empty{display:none}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#141b19;--paper:#1e2823;--ink:#e9eee8;--muted:#a7b6ab;--line:#37433b;--accent:#a4d0b5;--soft:#2b4033;--on:#15271b;--bad:#eda88e;color-scheme:dark}}:root[data-theme=dark]{--bg:#141b19;--paper:#1e2823;--ink:#e9eee8;--muted:#a7b6ab;--line:#37433b;--accent:#a4d0b5;--soft:#2b4033;--on:#15271b;--bad:#eda88e;color-scheme:dark}@media(max-width:550px){main{padding:20px 16px 36px}.top-in{padding:12px 16px}.brand{font-size:19px}h1{font-size:26px}.stage{padding:16px 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@font-face{font-family:LingoJapanese;src:url("../fonts/LingoJapanese.woff2?v=1") format("woff2");font-weight:100 900;font-display:swap}#app [lang=ja],#app [lang=ja] *,#app .reading{font-family:LingoJapanese,LingoAppSans,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif!important}