/* 99 Club Studio · v1.43 Shikaku / Rectangle Division */
.tt99-shikaku-wrap{display:flex;flex-direction:column;align-items:center;min-width:0}
.tt99-shikaku-grid{--shikaku-cols:6;--shikaku-rows:6;display:grid;grid-template-columns:repeat(var(--shikaku-cols),1fr);grid-template-rows:repeat(var(--shikaku-rows),1fr);width:min(100%,405px);aspect-ratio:1;margin:9px auto 6px;background:#fff;border:2px solid #4f7075;box-sizing:border-box}
.tt99-shikaku-cell{display:grid;place-items:center;position:relative;min-width:0;min-height:0;box-sizing:border-box;border-right:1px solid #b6c9cb;border-bottom:1px solid #b6c9cb;background:#fff;color:#294b51}
.tt99-shikaku-cell:nth-child(var(--shikaku-cols)n){border-right:0}
.tt99-shikaku-cell b{display:grid;place-items:center;width:58%;height:58%;max-width:30px;max-height:30px;min-width:17px;min-height:17px;border-radius:50%;background:#edf7f5;color:#1b5f5a;font:900 clamp(9px,1.22vw,17px)/1 Arial,sans-serif}
.tt99-shikaku-grid.is-answer .tt99-shikaku-cell.region-1{background:#f7fbfa}
.tt99-shikaku-grid.is-answer .tt99-shikaku-cell.sol-top{box-shadow:inset 0 2.4px 0 #158278}
.tt99-shikaku-grid.is-answer .tt99-shikaku-cell.sol-bottom{border-bottom-color:#158278;border-bottom-width:2.4px}
.tt99-shikaku-grid.is-answer .tt99-shikaku-cell.sol-left{border-left:2.4px solid #158278}
.tt99-shikaku-grid.is-answer .tt99-shikaku-cell.sol-right{border-right:2.4px solid #158278!important}
.tt99-shikaku-note{margin:2px auto 0;text-align:center;color:#657c80;font-size:clamp(5px,.57vw,7.6px);line-height:1.3}
.tt99-game-activities.count-2 .tt99-shikaku-grid{width:min(100%,278px);margin-top:5px}
.tt99-game-activities.count-3 .tt99-shikaku-grid{width:min(100%,188px);margin-top:3px;border-width:1.6px}
.tt99-game-activities.count-3 .tt99-shikaku-cell b{min-width:12px;min-height:12px;font-size:7px}.tt99-game-activities.count-3 .tt99-shikaku-note{display:none}
@media print{.tt99-shikaku-cell,.tt99-shikaku-cell b{background:#fff!important}.tt99-shikaku-grid.is-answer .tt99-shikaku-cell.region-1{background:#f6f9f8!important}}