*,*:before,*:after{box-sizing:border-box}html,body{margin:0;background:#fdf1d6;color:#3b3355;font-family:Hiragino Maru Gothic ProN,Yu Gothic,Meiryo,system-ui,sans-serif;touch-action:manipulation;-webkit-tap-highlight-color:transparent;overflow-x:hidden}#portal{min-height:100dvh;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}h1{margin:0 0 16px;font-size:clamp(24px,6vmin,40px);text-align:center}.portal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px;max-width:900px;margin:0 auto}.portal-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:140px;padding:12px;border-radius:24px;background:#fff;color:inherit;text-decoration:none;box-shadow:0 3px 10px #0000001a}.portal-tile:active{background:#fff3e6}.portal-icon{font-size:56px;line-height:1}.portal-name{font-size:20px;font-weight:700}.portal-empty{grid-column:1 / -1;text-align:center;font-size:20px}