.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--c-content);
  color: var(--c-main);
}

.site-header__inner {
  max-width: none;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5); /* 24px */
  padding-block: var(--space-3); /* 12px */
  padding-inline-start: var(--edge);
  padding-inline-end: var(--edge);
}
.site-logo__icon {
  display: inline-block;
  width: 350px;
  height: 70px;
  background-color: var(--c-main);
  -webkit-mask-image: url("../img/common/logo.svg");
  mask-image: url("../img/common/logo.svg");

  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;

  -webkit-mask-size: contain;
  mask-size: contain;

  -webkit-mask-position: left;
  mask-position: left;
}
.site-nav {
  display: block;
  margin-left: auto;
}

.site-nav__list {
  list-style: none;
  display: flex;
  gap: clamp(1rem, 2.5vw, 1.75rem); /* 16px ~ 28px */
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

.site-nav__list > li > a {
  position: relative;
  display: inline-block;
  padding: 0.5rem 0.375rem; /* 8px 6px */
  color: var(--c-main);
  text-decoration: none;
  font-weight: 600;
  line-height: 1;
}
.site-nav__list > li > a:hover {
  opacity: 0.7;
}
.site-nav__list > li > a::after {
  content: "";
  position: absolute;
  left: 0.375rem;
  right: 0.375rem;
  bottom: -0.375rem;
  height: 2px;
  background: var(--c-accent);
  border-radius: 2px;
  opacity: 0.9;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s ease;
}
.site-nav__list > li > a:hover::after {
  transform: scaleX(1);
}

/* アイコン（色はcurrentColorに追従） */
.ico {
  width: 1.25rem; /* 20px */
  height: 1.25rem; /* 20px */
  display: inline-block;
  margin-right: 0.5rem; /* 8px */
  background-color: currentColor;
  -webkit-mask-size: cover;
  mask-size: cover;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}
.ico--calendar {
  -webkit-mask-image: url("/wp-content/themes/tokyo-profile/assets/img/svg/calendar-days.svg");
  mask-image: url("/wp-content/themes/tokyo-profile/assets/img/svg/calendar-days.svg");
}

/* CTA */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem; /* 8px */
  padding: 0.625rem 1.125rem; /* 10px 18px */
  border-radius: 9999px;
  border: 2px solid var(--c-main);
  background: var(--c-main);
  color: var(--c-content);
  text-decoration: none;
  font-weight: 700;
  line-height: 1;
}
.btn-cta:hover,
.btn-cta:focus-visible {
  background: var(--c-content);
  color: var(--c-main);
  outline: none;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: var(--c-main);
  padding: 0.5rem;
}
.nav-toggle .bar {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 4px 0;
  border-radius: 2px;
}
.drawer-close {
  display: none;
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 1002;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 1.75rem;
  line-height: 1;
  padding: 0.25rem 0.5rem;
}

@media (max-width: 48em) {
  .site-header {
    --sp-header-h: 90px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1100;
    background: var(--c-content);
  }
  body {
    padding-top: 90px;
  }
  .site-header__inner {
    min-height: var(--sp-header-h);
    padding-block: 0;
  }
  .nav-toggle {
    position: relative;
    z-index: 1002;
    width: 40px;
    height: 32px;
    padding: 0;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: transparent;
  }

  .nav-toggle .bar {
    position: absolute;
    left: 8px;
    width: 24px;
    height: 2px;
    background: var(--c-main);
    border-radius: 999px;
    transition: transform 0.25s ease, opacity 0.2s ease,
      background-color 0.2s ease;
  }
  .nav-toggle .bar:nth-child(2) {
    top: 7px;
  }
  .nav-toggle .bar:nth-child(3) {
    top: 15px;
  }
  .nav-toggle .bar:nth-child(4) {
    top: 23px;
  }

  .nav-toggle .bar:nth-child(3)::before,
  .nav-toggle .bar:nth-child(3)::after {
    content: "";
    position: absolute;
    inset: 0;
    background: currentColor;
    border-radius: inherit;
    transform-origin: center;
    opacity: 0;
    transform: rotate(0deg);
    transition: transform 0.25s ease, opacity 0.2s ease;
  }

  .nav-toggle.is-open .bar:nth-child(2),
  .nav-toggle.is-open .bar:nth-child(4) {
    opacity: 0;
  }
  .nav-toggle.is-open .bar:nth-child(3) {
    background: transparent;
  }
  .nav-toggle.is-open .bar:nth-child(3)::before {
    opacity: 1;
    transform: rotate(45deg);
  }
  .nav-toggle.is-open .bar:nth-child(3)::after {
    opacity: 1;
    transform: rotate(-45deg);
  }
  .site-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    padding: 1.5rem var(--edge 2.5rem);
    background: var(--c-main);
    transform: translateY(100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 1000;
    transition: transform 0.35s ease, opacity 0.35s ease,
      visibility 0s linear 0.35s;
  }
  .site-header.is-nav-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: transform 0.35s ease, opacity 0.35s ease;
  }
  .site-header.is-nav-closing .site-nav {
    transform: translateY(100%);
    opacity: 0;
    visibility: visible;
  }
  .site-nav__list {
    list-style: none;
    margin: 2rem;
    padding: 0;
    display: block;
  }

  .site-nav__list > li + li {
    margin-top: 1.5rem;
  }

  .site-nav__list > li > a {
    display: block;
    padding: 0.75rem 0;
    color: var(--c-content);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
  }
  .site-logo__icon {
    width: 150px;
    height: 60px;
  }
  .btn-cta {
    display: none;
  }
  .no-scroll,
  .no-scroll body {
    overflow: hidden;
  }
}