:root{--green:#06c755;--overdue:#d93025;--text:#111;--muted:#666;--border:#e5e5ea;--bg:#fff;--notice:#fff8e1;--tap:44px}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;font-size:15px;line-height:1.5}.app{flex-direction:column;max-width:390px;min-height:100dvh;margin:0 auto;display:flex}button,input,select,textarea,summary{font:inherit}button,.tap,input,select,summary{min-height:var(--tap)}.btn{border:1px solid var(--border);color:var(--text);cursor:pointer;background:#fff;border-radius:8px;justify-content:center;align-items:center;padding:0 16px;display:inline-flex}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--green);border-color:var(--green);color:#fff;width:100%}.btn-danger{color:var(--overdue);border-color:var(--overdue)}.btn-ghost{background:0 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