site-header,
site-footer {
  display: block;
}
.common-header {
  background: #fff;
  border-bottom: 1px solid #ddd6d5;
}
.common-header__inner {
  width: min(1180px, calc(100% - 48px));
  min-height: 90px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.common-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: #201d1e;
  text-decoration: none;
}
.common-brand img {
  width: 44px;
  height: 44px;
}
.common-brand span {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  display: grid;
  line-height: 1.4;
}
.common-brand small {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.common-brand strong {
  color: #701428;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
}
.common-nav {
  align-self: stretch;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.common-nav a {
  position: relative;
  height: 100%;
  display: grid;
  place-items: center;
  color: #201d1e;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}
.common-nav a::after {
  content: "";
  position: absolute;
  right: 50%;
  bottom: 0;
  left: 50%;
  height: 3px;
  background: #701428;
  transition:
    right 0.2s,
    left 0.2s;
}
.common-nav a:hover::after,
.common-nav a:focus-visible::after,
.common-nav a[aria-current="page"]::after {
  right: 0;
  left: 0;
}
.common-footer {
  color: #eee;
  background: #221e1f;
  border-top: 5px solid #701428;
}
.common-footer__inner {
  width: min(1080px, calc(100% - 48px));
  min-height: 165px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.common-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: #eee;
  text-decoration: none;
}
.common-footer__brand img {
  width: 40px;
  height: 40px;
  filter: grayscale(1) brightness(3);
}
.common-footer__brand span {
  display: grid;
  line-height: 1.6;
}
.common-footer__brand strong {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}
.common-footer__brand small {
  font-size: 0.78rem;
}
.common-footer__inner > p {
  margin: 0;
  color: #aaa;
  font-size: 0.72rem;
}
@media (max-width: 760px) {
  body::-webkit-scrollbar {
    display: hidden;
  }
  .common-header__inner {
    padding: 1rem 0 0.6rem;
    flex-direction: column;
    gap: 0.6rem;
  }
  .common-brand {
    align-self: center;
  }
  .common-nav {
    width: 100%;
    height: 42px;
    overflow-x: auto;
    gap: 1.4rem;
  }
  .common-nav a {
    min-width: max-content;
  }
  .common-footer__inner {
    padding: 2.5rem 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.5rem;
  }
}
@media (max-width: 500px) {
  .common-header__inner,
  .common-footer__inner {
    width: min(100% - 32px, 1080px);
  }
  .common-brand small {
    font-size: 0.69rem;
  }
  .common-brand strong {
    font-size: 0.93rem;
  }
}