/* ホーム画面への追加 — 手順の案内（install-app.js がサイドバーの項目から開く） */

/* サイドバーの .sb-item は display:flex なので、hidden 属性だけでは消えない */
#appInstallMenuItem[hidden] { display: none; }

.app-install-guide {
  position: fixed;
  z-index: 10030;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, .72);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, visibility .2s;
}

.app-install-guide.is-visible {
  opacity: 1;
  visibility: visible;
}

.app-install-guide-card {
  width: min(410px, 100%);
  padding: 26px 22px 22px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 24px;
  background: linear-gradient(155deg, #1a151b, #0d0c0f);
  color: #fff;
  box-shadow: 0 28px 80px rgba(0, 0, 0, .6);
}

.app-install-guide-head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 20px;
}

.app-install-guide-head img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
}

.app-install-guide-head h2 {
  margin: 0 0 4px;
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  font-size: 19px;
}

.app-install-guide-head p {
  margin: 0;
  color: #aaa7ae;
  font-size: 12px;
}

.app-install-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: install-step;
}

.app-install-steps li {
  counter-increment: install-step;
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
  color: #dedce1;
  font-size: 14px;
  line-height: 1.65;
}

.app-install-steps li::before {
  content: counter(install-step);
  width: 24px;
  height: 24px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(240, 50, 63, .15);
  color: #ff6470;
  font-size: 12px;
  font-weight: 800;
}

.app-install-guide-done {
  width: 100%;
  height: 48px;
  margin-top: 14px;
  border: 0;
  border-radius: 13px;
  background: #f0323f;
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  .app-install-guide { transition: none; }
}