:root {
  --adk-shell-navy: #0b1d35;
  --adk-shell-ink: #22334a;
  --adk-shell-muted: #69778b;
  --adk-shell-orange: #f76b1c;
  --adk-shell-orange-dark: #e75e12;
  --adk-shell-line: #dde7f1;
  --adk-shell-footer-bg: #f6fafd;
  --adk-shell-white: #fff;
  --adk-shell-max: 1280px;
}

.adk-header,
.adk-footer,
.adk-header *,
.adk-footer * {
  box-sizing: border-box;
}

.adk-header a,
.adk-footer a {
  color: inherit;
  text-decoration: none;
}

.adk-header img,
.adk-footer img {
  display: block;
  max-width: 100%;
  height: auto;
}

.adk-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  height: 76px;
  margin: 0;
  padding: 0;
  border: 0;
  border-bottom: 1px solid rgba(221, 231, 241, 0.8);
  background: var(--adk-shell-white);
  box-shadow: 0 3px 18px rgba(11, 29, 53, 0.08);
  color: var(--adk-shell-navy);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.adk-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  width: min(100% - 40px, var(--adk-shell-max));
  height: 100%;
  margin: 0 auto;
  padding: 0;
}

.adk-header__logo {
  flex: 0 0 auto;
}

.adk-header .adk-header__logo img {
  width: auto;
  height: 40px;
}

.adk-header__nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 0 0 0 auto;
  padding: 0;
  list-style: none;
}

.adk-header__nav li {
  margin: 0;
  padding: 0;
}

.adk-header__nav a {
  position: relative;
  display: block;
  margin: 0;
  padding: 8px 0;
  color: var(--adk-shell-navy);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.5;
  white-space: nowrap;
}

.adk-header__nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--adk-shell-orange);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.adk-header__nav a:hover,
.adk-header__nav a[aria-current="page"],
.adk-header__mobile a:hover,
.adk-header__mobile a[aria-current="page"] {
  color: var(--adk-shell-orange);
}

.adk-header__nav a:hover::after,
.adk-header__nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.adk-header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin: 0;
  padding: 0 20px;
  border: 0;
  border-radius: 10px;
  background: var(--adk-shell-orange);
  box-shadow: 0 10px 22px rgba(247, 107, 28, 0.22);
  color: var(--adk-shell-white);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.4;
  white-space: nowrap;
}

.adk-header .adk-header__cta:hover {
  background: var(--adk-shell-orange-dark);
  color: var(--adk-shell-white);
}

.adk-header__burger {
  display: none;
  width: 44px;
  height: 44px;
  margin: 0 0 0 auto;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--adk-shell-navy);
  cursor: pointer;
  font: inherit;
}

.adk-header__burger span {
  display: block;
  width: 23px;
  height: 2.5px;
  margin: 5px auto;
  border-radius: 99px;
  background: currentColor;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.adk-header__burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.adk-header__burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.adk-header__burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

.adk-header__mobile {
  position: absolute;
  top: 76px;
  right: 0;
  left: 0;
  z-index: 1;
  display: none;
  flex-direction: column;
  max-height: calc(100vh - 76px);
  margin: 0;
  padding: 10px 24px 24px;
  overflow: auto;
  border-top: 1px solid var(--adk-shell-line);
  background: var(--adk-shell-white);
  box-shadow: 0 16px 26px rgba(11, 29, 53, 0.12);
}

.adk-header__mobile.is-open {
  display: flex;
}

.adk-header__mobile a {
  display: block;
  margin: 0;
  padding: 13px 4px;
  border-bottom: 1px solid var(--adk-shell-line);
  color: var(--adk-shell-navy);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
}

.adk-header__mobile .adk-header__cta {
  display: inline-flex;
  margin-top: 16px;
  padding: 0 20px;
  border: 0;
  color: var(--adk-shell-white);
}

.adk-header :focus-visible,
.adk-footer :focus-visible {
  outline: 3px solid rgba(247, 107, 28, 0.45);
  outline-offset: 3px;
}

.adk-footer {
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  border-top: 1px solid var(--adk-shell-line);
  background: var(--adk-shell-footer-bg);
  color: var(--adk-shell-ink);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.adk-footer__inner {
  width: min(100% - 48px, 1120px);
  margin: 0 auto;
  padding: 0;
}

.adk-footer__grid {
  display: grid;
  grid-template-columns: 1.08fr 1.72fr 0.9fr 0.9fr;
  gap: 36px;
  margin: 0;
  padding: 56px 0 42px;
}

.adk-footer__brand,
.adk-footer nav {
  display: block;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.adk-footer .adk-footer__logo img {
  width: 184px;
  height: auto;
}

.adk-footer__address,
.adk-footer__summary,
.adk-footer__bottom p {
  margin: 0;
}

.adk-footer__address {
  margin-top: 22px;
  color: var(--adk-shell-muted);
  font-size: 13px;
  line-height: 1.8;
}

.adk-footer__summary {
  margin-top: 16px;
  color: var(--adk-shell-muted);
  font-size: 13px;
  line-height: 1.9;
}

.adk-footer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 18px;
}

.adk-footer__actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--adk-shell-line);
  border-radius: 999px;
  background: var(--adk-shell-white);
  color: var(--adk-shell-navy);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.4;
}

.adk-footer__actions a:first-child {
  border-color: var(--adk-shell-orange);
  background: var(--adk-shell-orange);
  color: var(--adk-shell-white);
}

.adk-footer h2 {
  margin: 0 0 14px;
  padding: 0;
  color: var(--adk-shell-navy);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
}

.adk-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.adk-footer li {
  margin: 7px 0;
  padding: 0;
  color: var(--adk-shell-muted);
  font-size: 13px;
  line-height: 1.5;
}

.adk-footer a:hover {
  color: var(--adk-shell-orange);
}

.adk-footer__service-list {
  column-count: 2;
  column-gap: 26px;
  column-width: 150px;
}

.adk-footer li.adk-footer__group {
  break-inside: avoid;
  margin-top: 13px;
  color: var(--adk-shell-navy);
  font-size: 12px;
  font-weight: 900;
}

.adk-footer li.adk-footer__group:first-child {
  margin-top: 0;
}

.adk-footer__bottom {
  margin: 0;
  padding: 20px 0 26px;
  border-top: 1px solid var(--adk-shell-line);
  color: var(--adk-shell-muted);
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
}

.adk-footer__legal {
  margin-top: 7px;
}

@media (max-width: 1180px) {
  .adk-header__nav,
  .adk-header__inner > .adk-header__cta {
    display: none;
  }

  .adk-header__burger {
    display: block;
  }
}

@media (max-width: 900px) {
  .adk-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .adk-header {
    height: 70px;
  }

  .adk-header__inner {
    width: min(100% - 32px, var(--adk-shell-max));
  }

  .adk-header .adk-header__logo img {
    height: 34px;
  }

  .adk-header__mobile {
    top: 70px;
    max-height: calc(100vh - 70px);
    padding-right: 18px;
    padding-left: 18px;
  }

  .adk-footer__inner {
    width: min(100% - 36px, 1120px);
  }

  .adk-footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 42px 0 32px;
  }

  .adk-footer__service-list {
    column-count: 2;
    column-gap: 20px;
  }

  .adk-footer__bottom {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .adk-header__nav a::after,
  .adk-header__burger span {
    transition: none;
  }
}

@media print {
  .adk-header,
  .adk-footer {
    display: none !important;
  }
}