/* 全体のベース */
body {
  margin: 0;
  padding: 0;
  background: #fafafa;
  color: #222;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue",
               "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
               "Noto Sans JP", sans-serif;
  text-align: center;

  /* ② ページ左右の極薄シャドウ（高級紙っぽさ） */
  box-shadow:
    inset 40px 0 60px -60px rgba(0,0,0,0.05),
    inset -40px 0 60px -60px rgba(0,0,0,0.05);
}

/* ロゴ */
.logo {
  width: min(90%, 420px);
  margin: 70px auto 20px;
  display: block;
}

/* ① ロゴ下の金ライン（極細・ロイヤル系） */
.logo-line {
  width: 80px;
  height: 2px;
  margin: 20px auto 50px;
  background: linear-gradient(90deg, #d1b892, #f4e8c9, #d1b892);
  border-radius: 2px;
  opacity: 0.85;
}

/* メニュー部分 */
nav {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 20px;
}

nav a {
  font-size: 1.1rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: #444;
  font-weight: 400;
  position: relative;
  padding-bottom: 4px;
}

/* 下にうっすら線が出るミニマル演出 */
nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: #bbb;
  opacity: 0;
  transition: opacity 0.2s;
}

nav a:hover::after {
  opacity: 1;
}