.subpage-wrap {
  display: flex;
  width: 100rem;
  margin: 0 auto;
  min-height: 100vh;
  gap: 2.5rem;
}
@media only screen and (max-width: 1599px) and (min-width: 1280px) {
  .subpage-wrap {
    width: 100%;
    padding-inline: 2.5rem;
  }
}
@media only screen and (max-width: 1279px) {
  .subpage-wrap {
    flex-direction: column;
    width: 100%;
  }
}

.subpage-sidebar {
  position: relative;
  width: 14.5625rem;
  flex-shrink: 0;
}
@media only screen and (max-width: 1279px) {
  .subpage-sidebar {
    display: none;
  }
}
.subpage-sidebar__title {
  position: relative;
  display: flex;
  align-items: center;
  height: 7.5rem;
}
.subpage-sidebar__title::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100vw;
  height: 100%;
  background: var(--primary);
  z-index: -1;
}
.subpage-sidebar__title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
}
.subpage-sidebar__menu {
  display: flex;
  flex-direction: column;
}
.subpage-sidebar__item {
  display: flex;
  align-items: center;
  width: 14.5625rem;
  padding: 0.75rem 0;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--g70);
  letter-spacing: -0.02em;
  cursor: pointer;
  transition: color 0.2s;
}
.subpage-sidebar__item:hover {
  color: var(--primary);
}
.subpage-sidebar__item.is-active {
  font-weight: 700;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

.subpage-content {
  flex: 1;
  min-width: 0;
  padding: 1.875rem 0 10rem 0;
}
@media only screen and (max-width: 1279px) and (min-width: 768px) {
  .subpage-content {
    padding-top: 1.25rem;
    padding-bottom: 3rem;
    padding-inline: 2.5rem;
  }
}
@media only screen and (max-width: 767px) {
  .subpage-content {
    padding: 0 1.25rem 1.25rem;
  }
}

.subpage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 0;
  margin-bottom: 2.4375rem;
}
@media only screen and (max-width: 767px) {
  .subpage-header {
    flex-flow: column-reverse nowrap;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 0.625rem;
  }
}
.subpage-header__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.subpage-header__title h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--font1);
  line-height: 1.5;
}
@media only screen and (max-width: 767px) {
  .subpage-header__title h3 {
    font-size: 1rem;
  }
}
.subpage-header .subpage-header__symbol {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.subpage-header .subpage-header__symbol span {
  display: block;
  width: 0.625rem;
  height: 0.625rem;
  transform: rotate(45deg);
}
.subpage-header .subpage-header__symbol span:nth-child(1) {
  background: var(--primary);
}
.subpage-header .subpage-header__symbol span:nth-child(2) {
  background: var(--secondary);
}
.subpage-header .subpage-header__symbol span:nth-child(3) {
  background: var(--tertiary);
}
@media only screen and (max-width: 767px) {
  .subpage-header .subpage-header__symbol span {
    width: 0.5rem;
    height: 0.5rem;
  }
}

.subpage-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0;
}
.subpage-breadcrumb__item {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--g60);
}
.subpage-breadcrumb__item::after {
  content: "";
  display: block;
  width: 1.5rem;
  height: 1.5rem;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23767676" stroke-width="2"><polyline points="9 18 15 12 9 6"/></svg>') no-repeat center/contain;
}
.subpage-breadcrumb__item:last-child::after {
  display: none;
}

.subpage-mobile-nav {
  display: none;
}
@media only screen and (max-width: 1279px) {
  .subpage-mobile-nav {
    display: none;
    background: var(--primary);
    padding: 1.25rem 2.5rem;
  }
  .subpage-mobile-nav__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
  }
  .subpage-mobile-nav__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .subpage-mobile-nav__tab {
    padding: 0.625rem 1.25rem;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    cursor: pointer;
  }
  .subpage-mobile-nav__tab.is-active {
    color: var(--primary);
    background: #fff;
    border-color: #fff;
  }
}
@media only screen and (max-width: 767px) {
  .subpage-mobile-nav {
    padding: 1rem 1.25rem;
  }
  .subpage-mobile-nav__title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }
  .subpage-mobile-nav__tab {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}