/* 背景グラデーション */
.background-gradient {
  position: fixed;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 30%, #ffe6f0, #fdf4f6, #fffaf8);
  z-index: -2;
}

/* Liquid Glass Header */
.liquid-glass {
  background: rgba(255, 255, 255, 0.2);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 2rem;
  margin: 2em auto;
  padding: 3em 2em;
  text-align: center;
  max-width: 800px;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

/* ヘッダーテキスト */
.liquid-glass h1 {
  font-family: 'Marcellus', serif;
  font-size: 2.5em;
  color: #8a3e58;
  margin: 0;
}

.liquid-glass .tagline {
  font-style: italic;
  font-size: 1.2em;
  color: #5e3a46;
  margin-top: 0.5em;
}

/* ナビゲーション */
nav ul.menu {
  display: flex;
  justify-content: center;
  gap: 1.5em;
  padding: 1em 0;
  margin: 0;
  list-style: none;
  background-color: #fdf4f6;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

nav ul.menu li a {
  font-weight: bold;
  color: #7a2c3d;
  text-decoration: none;
  transition: color 0.3s;
}

nav ul.menu li a:hover {
  color: #c84e68;
}

/* セクションなどはそのまま */