:root{--bg:#fff;--ink:#1a1a1a;--ink-sub:#424242;--win:#1b5e20;--lose:#b71c1c;--btn-fg:#fff;--btn-bg:#1a237e}*{box-sizing:border-box}html,body{touch-action:manipulation;margin:0}body{background:var(--bg);color:var(--ink);font-family:system-ui,sans-serif;font-size:16px}#app{flex-direction:column;gap:12px;width:100%;max-width:440px;min-height:100dvh;margin:0 auto;padding:16px;display:flex}.title{text-align:center;color:var(--ink);margin:0;font-size:24px}.result{flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:190px;display:flex}.guide{color:var(--ink-sub);margin:0;font-size:20px}.versus{justify-content:space-around;align-items:center;width:100%;display:flex}.versus[hidden]{display:none}.side{flex-direction:column;align-items:center;gap:4px;min-width:112px;display:flex}.who{color:var(--ink-sub);font-size:16px}.hand{color:var(--ink);font-size:28px;font-weight:700}.vs{color:var(--ink-sub);font-size:16px;font-weight:700}.outcome{margin:0;font-size:32px;font-weight:700}.outcome[data-outcome=win]{color:var(--win)}.outcome[data-outcome=lose]{color:var(--lose)}.outcome[data-outcome=draw]{color:var(--ink-sub)}.counts{text-align:center;grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.count{flex-direction:column;align-items:center;gap:4px;display:flex}.count-label{color:var(--ink);font-size:16px}.count-num{font-variant-numeric:tabular-nums;min-width:4ch;color:var(--ink);font-size:28px;font-weight:700}.buttons{gap:8px;margin-top:auto;display:flex}.hand-button{background:var(--btn-bg);min-width:48px;height:72px;color:var(--btn-fg);font:inherit;touch-action:manipulation;cursor:pointer;border:0;border-radius:8px;flex:1;font-size:20px;font-weight:700}