:root{--sumi: #14100e;--tatami: #1d1815;--line: #34291f;--kinari: #e8ddcb;--usu: #8a7a68;--beni: #b5342c;--kin: #c9a227}*{box-sizing:border-box;margin:0}body{background:var(--sumi);color:var(--kinari);font-family:Hiragino Mincho ProN,Yu Mincho,serif;display:flex;justify-content:center;padding:24px 16px 64px}.board{width:100%;max-width:420px;display:flex;flex-direction:column;gap:16px}header{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding-bottom:12px}.seat{display:flex;align-items:flex-end;gap:10px;min-width:0}.crash{background:var(--sumi);border:1px solid var(--line);padding:10px;white-space:pre-wrap;font-size:11px;line-height:1.6;max-height:40vh;overflow:auto;font-family:ui-monospace,SFMono-Regular,monospace;color:var(--usu)}.portrait{position:relative;flex:none;aspect-ratio:3 / 4;background:var(--sumi);border:1px solid var(--line);overflow:hidden;display:flex;align-items:center;justify-content:center}.portrait 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