.common-header {
  --common-header-bg: #01203f;
  --common-header-border: #234ca4;
  --common-header-button-start: #234ca4;
  --common-header-button-end: #1d3b83;
  --common-header-button-border: #6688d2;
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  min-width: 1280px;
  z-index: 100;
  background: var(--common-header-bg);
  color: #fff;
  font-family: YuMincho, 'Yu Mincho', 'Noto Serif JP', serif;
}

body.nagoya .common-header {
  --common-header-bg: #143538;
  --common-header-border: #26676c;
  --common-header-button-start: #20889a;
  --common-header-button-end: #1b7281;
  --common-header-button-border: #4ac4d9;
}

body.kyoto .common-header {
  --common-header-bg: #2b2310;
  --common-header-border: #6c5626;
  --common-header-button-start: #9b7020;
  --common-header-button-end: #815e1b;
  --common-header-button-border: #d9ad4a;
}

body.kobe .common-header {
  --common-header-bg: #552020;
  --common-header-border: #6c2626;
  --common-header-button-start: #9a2020;
  --common-header-button-end: #811b1b;
  --common-header-button-border: #d94a4a;
}

body.tokyo .common-header {
  --common-header-bg: #252525;
  --common-header-border: #848484;
  --common-header-button-start: #6b6b6b;
  --common-header-button-end: #454545;
  --common-header-button-border: #848484;
}

body.yokohama .common-header {
  --common-header-bg: #331334;
  --common-header-border: #9562a6;
  --common-header-button-start: #62248a;
  --common-header-button-end: #49256f;
  --common-header-button-border: #9562a6;
}

.common-header__inner {
  display: flex;
  align-items: center;
  height: 70px;
  width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
  justify-content: space-between;
}

.common-header__main {
  display: flex;
  align-items: center;
  min-width: 0;
  flex-shrink: 0;
}

.common-header__brand {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
}

.common-header__brand img {
  display: block;
  width: 120px;
  height: auto;
}

.common-header__title {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-right: 2px solid var(--common-header-border);
  padding: 0 40px 0 28px;
}

.common-header__title-sub {
  font-size: 14px;
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: 0.08em;
}

.common-header__title-main {
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: 0.08em;
  font-weight: bold;
}

.common-header__nav {
  display: flex;
  justify-content: center;
  flex: 1 1 auto;
}

.common-header__nav--mobile {
  display: none;
}

.common-header__nav ul {
  display: flex;
  align-items: center;
  gap: 12px;
}

.common-header__nav li {
  list-style: none;
}

.common-header__nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 84px;
  height: 40px;
  color: #fff;
  font-size: 16px;
  line-height: 1;
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  transition: .2s;
}

.common-header__nav a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--common-header-bg);
  border: 1px solid var(--common-header-bg);
  box-sizing: border-box;
  border-radius: 3px;
  z-index: 2;
  transition: .2s;
}

.common-header__nav a::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(161deg, var(--common-header-button-start) 50%, var(--common-header-button-end) 53%);
  border: 1px solid var(--common-header-button-border);
  box-sizing: border-box;
  border-radius: 3px;
  z-index: 1;
}

.common-header__nav a span {
  position: relative;
  z-index: 4;
}

.common-header__nav li.is-active a::before,
.common-header__nav a:hover::before {
  opacity: 0;
}

.common-header__nav li.is-active a::after,
.common-header__nav a:hover::after {
  border: 1px solid var(--common-header-button-border);
}

.common-header__tel {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 192px;
  color: #b9a050;
  text-decoration: none;
}

.common-header__tel span,
.common-header__menu-tel span {
  display: inline-flex;
  align-items: center;
  padding-left: 42px;
  background: url(../common/img/ico_tel2.svg) no-repeat left center;
  background-size: 32px 20px;
  font-size: 24px;
  line-height: 1;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.common-header__menu {
  display: none;
}