.app-install{position:fixed;z-index:45;left:50%;bottom:76px;transform:translateX(-50%);display:flex;align-items:center;gap:11px;width:min(calc(100% - 28px),430px);padding:12px 14px;background:rgba(23,21,20,.96);color:#fff;border:1px solid rgba(255,255,255,.2);box-shadow:0 14px 38px rgba(0,0,0,.25);backdrop-filter:blur(12px)}
.app-install[hidden]{display:none}.app-install__mark{display:grid;place-items:center;flex:0 0 43px;height:43px;border:1px solid #c9a978;border-radius:10px;color:#c9a978;font:500 11px Georgia,serif;letter-spacing:.08em}.app-install__copy{min-width:0;flex:1}.app-install__copy b{display:block;font-size:12px;letter-spacing:.06em}.app-install__copy small{display:block;margin-top:2px;color:#ccc;font-size:10px;letter-spacing:.03em}.app-install__button{border:1px solid #c9a978;background:#c9a978;color:#171514;padding:9px 11px;font-size:11px;font-weight:600;white-space:nowrap}.app-install__close{border:0;background:transparent;color:#aaa;padding:6px 2px;font-size:19px;line-height:1}.app-install-help{position:fixed;z-index:60;inset:0;display:grid;place-items:end center;padding:18px;background:rgba(0,0,0,.55)}.app-install-help[hidden]{display:none}.app-install-help__panel{width:min(100%,480px);padding:28px 24px 22px;background:#fff;color:#171514;border-radius:20px 20px 8px 8px}.app-install-help h2{margin:0 0 16px;font:400 24px/1.4 "Noto Serif JP",serif}.app-install-help ol{margin:0;padding-left:1.4em;line-height:2}.app-install-help p{color:#655f5a;font-size:12px}.app-install-help button{width:100%;margin-top:14px;padding:13px;border:0;background:#171514;color:#fff}@media(min-width:761px){.app-install{bottom:24px}}