.header-nav .search-box {
  position: relative;
  z-index: 20;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
}

.header-nav .search-box .search-trigger {
  position: absolute;
  z-index: 2;
  top: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  opacity: 1;
  transition: opacity .5s ease;
}

.header-nav .search-box .search-trigger:hover,
.header-nav .search-box.on .search-trigger {
  opacity: 1;
}

.header-nav .search-box .search-trigger img {
  display: block;
  /* width: 20px;
  height: 20px; */
  object-fit: contain;
  transition: filter .5s ease;
}

.header-nav .search-box.on .search-trigger img {
  filter: brightness(0) saturate(100%) invert(13%) sepia(93%) saturate(4940%) hue-rotate(274deg) brightness(74%) contrast(101%);
}

.header-nav .search-box .search-input {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  width: 20px;
  height: 40px;
  background: #fff;
  opacity: 0;
  visibility: hidden;
  transition: width .5s ease, opacity .5s ease, visibility .5s ease;
}

.header-nav .search-box.on .search-input {
  width: 300px;
  opacity: 1;
  visibility: visible;
}

.header-nav .search-box .search-input input {
  display: block;
  width: 100%;
  height: 40px;
  padding: 0 40px 0 12px;
  border: 0;
  border-radius: 0;
  outline: none;
  background: transparent;
  color: #333;
  font-size: 14px;
  line-height: 40px;
  box-sizing: border-box;
}

@media (prefers-reduced-motion: reduce) {
  .header-nav .search-box .search-trigger,
  .header-nav .search-box .search-trigger img,
  .header-nav .search-box .search-input {
    transition: none;
  }
}