/* ベースレイアウト（topstyle.cssを踏襲） */
body {
  background: #000000;
  color: #fff;
  font-family: "Poppins", "Kosugi", "Helvetica Neue", "Meiryo", sans-serif;
  margin: 0;
  padding: 0;
  -webkit-text-size-adjust: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#container {
  width: calc(90vw - 64px);
  max-width: 540px;
  margin: 32px auto 0 auto;
  background: #1b1b1b;
  border-radius: 18px;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.18);
  padding: 32px 32px 32px 32px;
}

main h1 {
  font-size: 2rem;
  font-family: "Poppins", "Kosugi", sans-serif;
  margin-bottom: 18px;
  text-align: center;
  letter-spacing: 0.04em;
}

section {
  margin-bottom: 32px;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

section p {
  font-size: 1.1rem;
  color: #e0e0e0;
  margin-bottom: 48px;
  text-align: center;
}

ul {
  list-style-position: outside;
  padding: 0;
  margin-left: 10px;
}

ul li {
  margin: 16px 8px;
  font-size: 1rem;
  color: #fff;
}

#bkportal {
  display: block;
  margin-top: 48px;
  text-align: center;
}

a {
  color: #bbbbbb;
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #fff;
  text-decoration: underline;
}

main > a {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 20px;
  background: #1b1b1b;
  color: #fff;
  border-radius: 20px;
  font-size: 1rem;
  text-decoration: none;
  transition: background-color 0.3s;
}

main > a:hover {
  background: #333;
}