.mem-grid{display:grid;grid-template-columns:repeat(var(--cols, 4),1fr);gap:10px;max-width:560px;margin:0 auto}.mem-card{aspect-ratio:1 / 1;display:flex;align-items:center;justify-content:center;border:1px solid var(--c-border-strong);border-radius:var(--r-md);background:var(--c-bg-elevated);font-size:clamp(22px,6vw,34px);cursor:pointer;transition:transform .12s ease,background-color .12s ease,border-color .12s ease;-webkit-tap-highlight-color:transparent}.mem-card:hover{transform:translateY(-2px);border-color:var(--mml)}.mem-card.is-open{background:color-mix(in srgb,var(--mml) 14%,var(--c-bg-elevated));border-color:var(--mml)}.mem-card.is-matched{background:color-mix(in srgb,var(--c-success) 20%,var(--c-bg-elevated));border-color:var(--c-success);cursor:default}.mem-card__face{user-select:none;line-height:1}.mem-hint{text-align:center;color:var(--c-text-muted);font-size:13px;margin-top:var(--sp-4)}