:root{--bg: #15181f;--bg-card: #1f242e;--bg-card-hover: #2b313d;--accent: #e9b84c;--accent-dark: #c2922e;--text: #f0ede6;--text-sub: #9aa1ad;--board: #2e7d4f;--board-line: rgba(0,0,0,.28);--danger: #e05a4e;--border: #343b48}*{margin:0;padding:0;box-sizing:border-box}html,body{min-height:100%}body{background:var(--bg);color:var(--text);font-family:Zen Kaku Gothic New,Hiragino Kaku Gothic ProN,sans-serif;-webkit-tap-highlight-color:transparent}button,input{font-family:inherit}.pr-btn{display:block;width:100%;padding:12px;border:none;border-radius:9px;background:var(--bg-card-hover);color:var(--text);font-weight:800;font-size:.95rem;cursor:pointer;transition:background .15s,transform 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