.mfn-install-button[hidden] { display: none !important; }
.mfn-install-button {
  margin-left: auto;
  margin-right: 14px;
  padding: 8px 12px;
  border: 1px solid #ffffff66;
  border-radius: 8px;
  background: #ffffff12;
  color: #fff;
  font-size: 12px !important;
  font-weight: 700;
}
.mfn-install-button:hover { background: #ffffff22; }
.mfn-install-help {
  position: fixed;
  z-index: 100000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: #0d211cbb;
  font-family: "Yu Gothic UI", "Hiragino Sans", sans-serif;
}
.mfn-install-card {
  position: relative;
  width: min(420px, 100%);
  padding: 30px;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 24px 70px #07171355;
  color: #172321;
}
.mfn-install-card h2 { margin: 12px 0 8px; text-align: center; font-size: 22px; }
.mfn-install-card p { margin: 0; color: #66736f; font-size: 14px; line-height: 1.8; }
.mfn-install-card ol { margin: 20px 0; padding-left: 24px; line-height: 2; font-weight: 700; }
.mfn-install-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin: auto;
  border-radius: 14px;
  background: #f1b84b;
  color: #123f35;
  font: 800 27px "Yu Gothic UI", "Hiragino Sans", sans-serif;
}
.mfn-install-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: #edf1ef;
  color: #172321;
  font-size: 22px;
}
.mfn-install-done {
  width: 100%;
  padding: 12px;
  border: 0;
  border-radius: 9px;
  background: #176b57;
  color: #fff;
  font-weight: 800;
}
@media (max-width: 760px) {
  .mfn-install-button { margin-right: 0; padding: 7px 9px; font-size: 10px !important; }
  .mfn-install-card { padding: 28px 22px 22px; }
}
@media (display-mode: standalone) {
  html, body { min-height: 100%; }
  .mfn-app { min-height: 100vh; border-radius: 0; }
}