.container {
  width: min(calc(100% - var(--container-gutter) * 2), var(--container-max));
  margin-inline: auto;
}

.section {
  padding-block: clamp(64px, 10vw, 140px);
  position: relative;
}

.section--compact {
  padding-block: clamp(48px, 6vw, 80px);
}

.section__header {
  margin-bottom: clamp(32px, 5vw, 64px);
}

.section__label {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 4px 12px;
  margin-bottom: 16px;
  border: var(--border);
  background: var(--color-yellow);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section__title {
  font-size: clamp(36px, 5vw, 64px);
  margin-bottom: 16px;
  word-break: keep-all;
}

.section__desc {
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.7;
  color: var(--color-gray-700);
  max-width: 720px;
  word-break: keep-all;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  background: var(--color-white);
  border-bottom: var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: min(calc(100% - 80px), 1440px);
  margin: 0 auto;
  gap: 32px;
}

.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  height: 100%;
}

.site-logo img {
  display: block;
  height: 90px;
  width: auto;
  max-width: 460px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  margin-left: auto;
}

.gnb {
  display: flex;
  align-items: stretch;
  gap: 8px;
  height: var(--header-height);
  font-family: var(--font-display);
}

.gnb__item {
  position: relative;
  display: flex;
  align-items: center;
}

.gnb__link {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 16px;
  font-family: var(--font-display);
  font-size: 30px;
  position: relative;
}

.gnb__link::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 22px;
  height: 3px;
  background: var(--color-orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.gnb__item:hover .gnb__link::after,
.gnb__item.is-current .gnb__link::after {
  transform: scaleX(1);
}

.gnb__sub {
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  min-width: 260px;
  background: var(--color-white);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: var(--transition);
  z-index: 20;
}

.gnb__item:hover .gnb__sub,
.gnb__item:focus-within .gnb__sub {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.gnb__sub a {
  display: block;
  padding: 10px 20px;
  font-family: var(--font-display);
  font-size: 26px;
}

.gnb__sub a:hover,
.gnb__sub a.is-current {
  background: var(--color-yellow);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: var(--border);
  background: var(--color-yellow);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  z-index: 110;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-black);
  transition: var(--transition);
}

.menu-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-dim {
  display: none;
}

/* Sub visual */
.sub-visual {
  margin-top: var(--header-height);
  padding: 64px 0 48px;
  background: var(--color-white);
  border-bottom: var(--border);
  position: relative;
  overflow: hidden;
}

.sub-visual::before {
  content: '';
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  background: var(--color-yellow);
  border: var(--border);
  transform: rotate(12deg);
  pointer-events: none;
}

.sub-visual::after {
  content: '';
  position: absolute;
  right: 80px;
  bottom: -30px;
  width: 90px;
  height: 90px;
  background: var(--color-orange);
  border: var(--border);
  border-radius: 50%;
  pointer-events: none;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--color-gray-700);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb__sep {
  color: var(--color-gray-500);
}

.sub-visual__label {
  display: inline-flex;
  padding: 4px 10px;
  margin-bottom: 12px;
  border: var(--border);
  background: var(--color-blue);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.06em;
  position: relative;
  z-index: 1;
}

.sub-visual__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 60px);
  position: relative;
  z-index: 1;
  word-break: keep-all;
}

.sub-visual__desc {
  margin-top: 16px;
  font-size: 18px;
  color: var(--color-gray-700);
  max-width: 640px;
  position: relative;
  z-index: 1;
  word-break: keep-all;
}

/* Footer */
.site-footer {
  background: var(--color-black);
  color: #d9d9d9;
  padding: 64px 0 32px;
}

.site-footer a {
  color: #f2f2f2;
}

.site-footer a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
}

.footer__info strong {
  display: block;
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__info p {
  font-size: 14px;
  line-height: 1.6;
}

.footer__orgs {
  display: flex;
  gap: 16px;
}

.footer__orgs span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 39px;
  padding: 0 16px;
  border: 1px solid var(--color-white);
  border-radius: 2px;
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 13px;
}

.footer__links {
  display: flex;
  gap: 24px;
}

@media (max-width: 1199px) {
  .site-header__inner {
    width: min(calc(100% - 48px), 1440px);
  }

  .gnb__link {
    padding: 0 12px;
    font-size: 27px;
  }
}

@media (max-width: 1023px) {
  :root {
    --container-gutter: 24px;
    --header-height: 72px;
  }

  .site-header__inner {
    width: min(calc(100% - 32px), 1440px);
    gap: 12px;
  }

  .site-logo {
    flex: 1 1 auto;
    flex-shrink: 1;
    min-width: 0;
    max-width: calc(100% - 56px);
  }

  .site-logo img {
    height: 48px;
    width: auto;
    max-width: min(220px, 100%);
    object-fit: contain;
  }

  .menu-toggle {
    display: flex;
    flex-shrink: 0;
    margin-left: auto;
  }

  .nav-dim {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(17, 17, 17, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 90;
  }

  .nav-dim.is-open {
    opacity: 1;
    visibility: visible;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(100%, 360px);
    height: 100vh;
    height: 100dvh;
    margin: 0;
    background: var(--color-cream);
    border-left: var(--border-strong);
    padding: calc(var(--header-height) + 16px) 24px 40px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 105;
    align-items: flex-start;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .gnb {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    height: auto;
    width: 100%;
  }

  .gnb__item {
    display: block;
    border-bottom: var(--border);
  }

  .gnb__link {
    height: auto;
    padding: 16px 0;
    font-size: 22px;
    font-family: var(--font-display);
  }

  .gnb__link::after {
    display: none;
  }

  .gnb__sub {
    position: static;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    border: 0;
    box-shadow: none;
    background: transparent;
    display: none;
    padding: 0 0 12px;
    min-width: 0;
  }

  .gnb__item.is-open .gnb__sub {
    display: block;
  }

  .gnb__sub a {
    padding: 8px 0 8px 8px;
    font-size: 15px;
  }

  .footer__top,
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 72px;
    --container-gutter: 20px;
  }

  .site-header__inner {
    width: min(calc(100% - 32px), 1440px);
    gap: 12px;
  }

  .site-logo img {
    height: 40px;
    max-width: min(200px, 100%);
  }

  .sub-visual {
    padding: 40px 0 32px;
  }

  .sub-visual::before,
  .sub-visual::after {
    display: none;
  }

  .sub-visual__desc {
    font-size: 16px;
  }

  .site-footer {
    padding: 40px 0 24px;
  }

  .footer__bottom {
    margin-top: 32px;
  }

  .footer__links {
    flex-wrap: wrap;
    gap: 12px 16px;
  }
}

@media (max-width: 374px) {
  .site-header__inner {
    width: min(calc(100% - 24px), 1440px);
    gap: 8px;
  }

  .site-logo img {
    height: 36px;
    max-width: min(176px, 100%);
  }
}