/* Add styles here */
.floating-uso-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    z-index: 1000;
  }
  
  .floating-uso-button img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
  }
  
  .floating-uso-button:hover img {
    transform: scale(1.1);
  }



  /* style.css に共通化推奨 */
body {
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  background: #ffffff;
  color: #333;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.main-content {
  width: 100%;
  max-width: 800px;
  padding: 80px 20px 40px; /* ← 上に余白を確保 */
  box-sizing: border-box;
}


.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #f9f9f9;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 10px 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
  z-index: 999;
}

.home-link img {
  height: 40px;
  margin-left: 8px;
  border-radius: 6px;
  transition: transform 0.2s ease;
}

.home-link img:hover {
  transform: scale(1.1);
}