:root{--bg: #f4efe6;--paper: #fffaf3;--ink: #2a241c;--muted: #7a6f63;--line: #e6dccb;--brand: #e06b4f;--brand-dark: #c45339;--ok: #2f9e6b;--bad: #d64545;--locked: #c9c0b4;--shadow: 0 10px 30px rgba(80, 52, 32, .08);font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,Noto Sans JP,sans-serif;color:var(--ink);background:var(--bg);line-height:1.4}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;height:100%}body{background:radial-gradient(circle at top,#fff8ee,transparent 42%),var(--bg)}button,a{font:inherit}.app-shell{width:min(430px,100%);min-height:100dvh;margin:0 auto;padding-top:max(16px,env(safe-area-inset-top,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-bottom:max(28px,env(safe-area-inset-bottom,0px));padding-left:max(16px,env(safe-area-inset-left,0px));display:flex;flex-direction:column}html.is-native .app-shell{padding-top:max(16px,env(safe-area-inset-top,0px),52px)}html.is-native 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0;color:var(--muted);font-size:14px;line-height:1.6}.listen-explain{margin:12px 0 0;font-size:14px;line-height:1.6}.listen-script .primary-btn{margin-top:16px}.speak-jp{margin:0;font-size:26px;font-weight:800;line-height:1.45}.speak-reading{margin:0;color:var(--muted);font-size:16px;line-height:1.5}.speak-warn{margin:0;padding:14px 16px;border-radius:16px;background:#fdecec;color:var(--bad);font-size:14px;line-height:1.6}.speak-score{background:var(--paper);border:2px solid var(--line);border-radius:16px;padding:16px}.speak-score.is-pass{border-color:var(--ok)}.speak-score.is-close{border-color:#d4a017}.speak-score.is-fail{border-color:var(--bad)}.speak-heard{margin:0 0 8px;font-size:18px;font-weight:700;line-height:1.5}.speak-actions{display:grid;gap:10px;margin-top:14px}.speak-take .listen-replay,.speak-take>.primary-btn{box-sizing:border-box;width:260px;max-width:86%;align-self:center;min-height:44px;padding:8px 14px;border-radius:14px}.speak-take .listen-replay{min-height:48px;font-size:17px}.exam-options .option-btn:disabled{cursor:default}