/* ********************** */
/* HEADER */
/* ********************** */
.header {
  width: 100%;
  height: calc(100vw * 118 / 1920);
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  z-index: 999;

  background: white;

  box-shadow: 0 0 2rem rgba(0, 0, 0, 0.1);
}

.header-box {
  display: flex;
  align-items: center;
  gap: calc(100vw * 94 / 1920);
}

.logo {
  width: calc(100vw * 145 / 1920);
}

.main-nav {
  width: calc(100vw * 880 / 1920);
  height: 100%;
  display: flex;
  justify-content: space-between;
}

.shell {
    width: calc(100vw * 108 / 1920);
    display: flex;
    flex-direction: column;
    position: relative;
}

.nav-link-box {
    width: 100%;
    height: calc(100vw * 38 / 1920);
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.shell ul {
    list-style: none;
    position: absolute;
    top: calc(100vw * 38 / 1920);
    text-align: center;
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 0 1rem rgba(0, 0, 0, 0.1);
}

.shell ul li {
    width: calc(100vw * 108 / 1920);
    height: 0;
    opacity: 0;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: calc(100vw * 18 / 1920);
    color: #696969;
    transition: all 0.3s;
}

.shell ul li:hover {
    background-color: #e10914;
    color: #fff;
}

.shell:hover ul li {
    height: calc(100vw * 38 / 1920);
    opacity: 1;
}

.nav-link-box::before {
    content: "";
    background: #e10914;
    width: 0;
    height: calc(100vw * 5 / 1920);
    position: absolute;
    left: 50%;
    bottom: 0;
    transition: all 0.4s;
}

.nav-link-box.active::before {
    width: 100%;
    left: 0;
}

.nav-link-box.selected::before {
    width: 100%;
    left: 0;
}

.main-nav-link:link,
.main-nav-link:visited {
    font-size: calc(100vw * 24 / 1920);
    line-height: calc(100vw * 24 / 1920);
    font-weight: 400;
    color: #000;
    letter-spacing: calc(100vw * 3 / 1920);
}