@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap');

body {
  font-family: "Noto Sans JP", sans-serif;
  background-color: #FAF4EE;
  color: #4A2C2A;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.page-header {
  background-color: #8C2B2B;
  color: #fff;
  text-align: center;
  padding: 20px 10px;
  border-bottom: 5px solid #D4A373;
}

.page-header h1 {
  font-size: 1.3rem;
  margin: 0;
}

section {
  padding: 20px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.wallpaper-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
}

.wallpaper-img {
  width: 80%;
  max-width: 350px;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  display: block;
}

.btn {
  display: inline-block;
  background-color: #8C2B2B;
  color: #fff;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 25px;
  margin-top: 10px;
  transition: background 0.3s;
}

.btn:hover {
  background-color: #6C1E1E;
}

.back-link {
  text-align: center;
  margin-top: 30px;
}

.back-btn {
  background-color: #D4A373;
}

.back-btn:hover {
  background-color: #B57D4E;
}

.page-footer {
  text-align: center;
  font-size: 0.8rem;
  padding: 15px;
  color: #8C2B2B;
}

/* スマホ調整 */
@media (max-width: 600px) {
  .page-header h1 {
    font-size: 1.1rem;
  }
  .wallpaper-img {
    width: 90%;
  }
}