#header {
  width: 100%;
  z-index: 10;
  position: fixed;
  top: 0;
  left: 0;
  background: none;
  transition: background-color 1s, transform 0.5s;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

#header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1280px;
  height: 80px;
  margin: 0 auto;
}

#header .inner .logo {
  display: flex;
  margin: 0;
}

#header .logo a {
  display: block;
}

#header .logo-img {
  width: 180px;
  transition: opacity 0.3s ease;
}

#header .gnb > ul {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

#header .gnb > ul > li > a {
  display: block;
  padding: 20px 35px;
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  font-family: "Roboto", sans-serif;
  text-decoration: none;
}

#header .gnb > ul > li > a:hover {
  color: #007aff;
}

/* 스크롤 후 */
#header.scrolled {
  background: #ffffff;
}

#header.scrolled .gnb > ul > li > a {
  color: #000;
}

#header.scrolled .gnb > ul > li > a:hover {
  color: #007aff;
}

#header.scrolled .logo-img {
  content: url("/assets/img/logo_b.png");
}