.im-welcome{position:fixed;inset:0;z-index:2147483000;background:#fff;display:flex;align-items:center;justify-content:center;overflow:auto;padding:24px 20px calc(24px + env(safe-area-inset-bottom))}
.im-w-box{max-width:420px;width:100%;text-align:left}
.im-w-box h1{margin:4px 0 10px;font-size:1.75rem;line-height:1.15;color:#1f2a6b}
.im-w-lead{font-size:1.02rem;line-height:1.5;margin:0 0 14px}
.im-w-list{margin:0 0 20px;padding-left:20px;line-height:1.5;font-size:.95rem}
.im-w-list li{margin:0 0 10px}
.im-w-box button.primary{width:100%;min-height:48px}
.im-install{position:fixed;left:0;right:0;z-index:2147482900;background:#fff;border-radius:20px 20px 0 0;box-shadow:0 -8px 28px rgba(0,0,0,.22);padding:16px 20px calc(16px + env(safe-area-inset-bottom))}
.im-install p{margin:6px 0 12px;font-size:.92rem;line-height:1.45}
.im-i-row{display:flex;gap:10px;justify-content:flex-end}
.im-i-row button{min-height:44px;padding:0 18px;white-space:nowrap}