/* ========================================
   common.css  （トップ・単一ページ共通）
======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-size:1.1rem;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #fff;
  /*color: #222;*/
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}


.nav {
  display: flex;
  gap: 1.2rem;
  justify-content: center;  
}

.nav a {
  color: #333;
  font-size: 1.1rem;
  font-weight: 500;
}

.nav a:hover {
  color: #000;
}


/* モバイル */
@media (max-width: 768px) {
  .header {
    padding: 1.1rem 1.5rem;
  }

  .brand {
    padding-left:20px;
    padding-bottom:10px;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    color:#0f0d00 !important;    
  }

  .brand a {
      color:#0f0d00 !important;
  }

  .container {
    grid-template-columns: 1fr;
    padding: 1.4rem 1.5rem 2rem;
  }

  .footer-nav {
    gap: 1.2rem;
  }

  .back-to-top {
    right: 1rem;
    bottom: 5.2rem;
  }
}