* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, button {
  font-family: 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
}

.header {
  background-color: #FF6B35;
  padding: 1.5em 0;
}

.container {
  max-width: 900px;
  margin: 2em auto;
  background-color: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #E6E6E6;
}

.title {
  text-align: center;
  padding: 1em;
  font-size: 1.2em;
  font-weight: bold;
  background-color: #fff;
}

.icon-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1em;
  padding-left: 0.5em;
  padding-right: 0.5em;
  padding-top: 1em;
  padding-bottom: 1em;
  background-color: #fafafa;
}

.icon-indicator img {
  height: 50px;
}

.icon-indicator div {
  font-size: 0.9em;
  color: #333;
}

.content {
  padding: 2em;
  background: white;
}

.step {
  background: white;
  margin: 1em 0;
  padding: 1.5em;
  border: 1px solid #E6E6E6;
  border-radius: 8px;
  text-align: center;
}

.step-header {
  color: #FF6B35;
  font-weight: bold;
  margin-bottom: 1em;
}

.step img {
  height: 80px;
  margin-bottom: 1em;
}

.step ol { list-style: none; padding: 0; margin: 12px 0 0; }
.step li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; }

.numbered_list_text  {
  text-align: left; 
}

.numbered_list_num   { 
  width: 28px; 
  height: 28px; 
  border-radius: 999px; 
  display: grid; 
  place-items: center; 
  font-weight: 700;
}


.app-button {
  display: inline-block;
  background-color: #000000;
  color: white;
  text-decoration: none;
  padding: 0.5em 2em;
  border-radius: 22px;
  font-size: 0.9em;
  margin-top: 1em;
}

@media (max-width: 768px) {
  .container {
    margin: 1em;
    border-radius: 4px;
  }

  .content {
    padding: 1em;
  }

  .step {
    padding: 1em;
    margin: 0.5em 0;
    border-radius: 4px;
  }

  .app-button {
    padding: 0.3em 1em;
    font-size: 0.8em;
  }

  .icon-indicator {
    flex-direction: column;
    text-align: center;
  }
}

.download-button {
  max-width: 100%; /* ボタンがコンテナを超えないように設定 */
  height: auto; /* 高さを自動調整 */
  border-radius: 15px; /* 角を丸くする */
  transition: transform 0.3s ease; /* クリック時の効果 */
}

.download-button:hover {
  transform: scale(1.05); /* ホバー時に少し大きくする */
}