#tenpai-install-banner{box-sizing:border-box;position:absolute;z-index:30;top:var(--install-safe-top,0px);left:0;right:0;display:flex;align-items:center;height:44px;padding:0 env(safe-area-inset-right,0px) 0 env(safe-area-inset-left,0px);background:var(--paper,#f0ede4);color:var(--ink,#23382f);border-bottom:1px solid var(--line,#2a453326)}
#tenpai-install-banner[hidden]{display:none}
.tenpai-install-banner-open,.tenpai-install-banner-close{display:flex;align-items:center;justify-content:center;flex:none;box-sizing:border-box;min-height:44px;height:44px;margin:0;border:0;border-radius:0;background:transparent;color:inherit;font:inherit;touch-action:manipulation}
.tenpai-install-banner-open{flex:1;min-width:0;gap:8px;padding:0 12px;font-size:13px;font-weight:600;white-space:nowrap}
.tenpai-install-banner-arrow{font-size:20px;font-weight:400;line-height:1}
.tenpai-install-banner-close{width:44px;min-width:44px;padding:0;font-size:24px;line-height:1}
.tenpai-install-banner-open:focus-visible,.tenpai-install-banner-close:focus-visible{outline:2px solid var(--accent,#375b43);outline-offset:-4px}
#play-dialog.tenpai-install-dialog{width:760px;padding:26px;max-width:calc(100vw - 24px);color:var(--ink);background:var(--paper)}
.tenpai-install{max-width:720px;margin:0 auto}
.tenpai-install .tenpai-install-eyebrow{margin:0 52px 12px 0;font-size:10px;line-height:1.4;font-weight:700;letter-spacing:1.4px;color:var(--muted)}
.tenpai-install h2{font-size:29px;line-height:1.15;margin:0 36px 12px 0;outline:none}
.tenpai-install .tenpai-install-intro{max-width:590px;margin:0 0 22px;font-size:14px;line-height:1.55}
.tenpai-install-columns{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:28px;align-items:start;clear:both}
.tenpai-install h3{margin:0 0 12px;font-size:11px;line-height:1.4;letter-spacing:1px;text-transform:uppercase}
.tenpai-install-steps{margin:0;padding:0 0 0 22px}
.tenpai-install .tenpai-install-steps li{padding-left:4px;margin:0 0 11px;font-size:14px;line-height:1.5;color:var(--ink)}
.tenpai-install-steps li::marker{font-weight:700;color:var(--accent)}
.tenpai-install .tenpai-install-small{font-size:12px;line-height:1.5;color:var(--muted);margin:12px 0}
.tenpai-install-source{display:inline-flex;align-items:center;min-height:44px;font-size:12px;color:var(--accent);text-underline-offset:3px}
.tenpai-install-options{display:flex;flex-direction:column;gap:12px;padding:18px;background:var(--table);border:1px solid var(--line);border-radius:14px}
.tenpai-install-preference{display:flex;align-items:flex-start;gap:10px;min-height:44px;cursor:pointer;font-size:13px;line-height:1.5;color:var(--ink)}
.tenpai-install-preference input{flex:0 0 20px;width:20px;height:20px;margin:1px 0 0;accent-color:var(--accent)}
.tenpai-install-preference:focus-within{outline:3px solid #dd9f46;outline-offset:4px;border-radius:3px}
.tenpai-install-options .tenpai-install-small{margin:0}
.tenpai-install-primary,.tenpai-install-later{width:100%;min-height:46px;padding:12px 14px;border:1px solid var(--accent);border-radius:10px;font:inherit;font-size:13px;line-height:1.35;background:var(--accent);color:var(--accent-text)}
.tenpai-install-later{background:var(--paper);color:var(--ink);border-color:var(--line)}
.tenpai-install .tenpai-install-notice{font-size:12px;line-height:1.5;margin:0;color:var(--ink)}
@media(max-width:600px),(max-height:500px){
 #play-dialog.tenpai-install-dialog{position:fixed;inset:0;margin:0;width:100%;max-width:100%;height:var(--app-height,100dvh);max-height:var(--app-height,100dvh);border:0;border-radius:0;padding:max(18px,env(safe-area-inset-top,0px)) max(20px,env(safe-area-inset-right,0px)) max(18px,env(safe-area-inset-bottom,0px)) max(20px,env(safe-area-inset-left,0px));overflow:auto;overscroll-behavior:contain}
 #play-dialog.tenpai-install-dialog>.close-dialog{position:sticky;top:0;margin:-5px -5px 0 8px;background:var(--paper);z-index:2}
 .tenpai-install h2{font-size:26px}
 .tenpai-install .tenpai-install-intro{margin-bottom:18px}
}
@media(max-width:600px){
 .tenpai-install-columns{grid-template-columns:minmax(0,1fr);gap:18px}
 .tenpai-install-options{padding:15px}
}
@media(min-width:601px) and (max-height:500px){
 .tenpai-install .tenpai-install-eyebrow{margin-bottom:7px}
 .tenpai-install h2{font-size:25px;margin-bottom:8px}
 .tenpai-install-columns{gap:22px}
 .tenpai-install .tenpai-install-steps li{font-size:13px;margin-bottom:9px}
}