.bu-site {
  margin: 0;
  overflow-x: hidden;
  background: var(--bu-bg-paper);
  color: var(--bu-text-ink);
  font-family: var(--font-jp);
  letter-spacing: 0;
}

.bu-legal-page {
  background: var(--bu-bg-warm);
  color: var(--bu-text-primary);
}

.bu-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
  background: var(--bg-base);
}

.bu-header__inner {
  display: flex;
  flex: 1 0 0;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  padding: 0 32px;
}

.bu-header__logo {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.bu-header__mascot {
  width: 56px;
  height: 56px;
  object-fit: cover;
}

.bu-header__wordmark {
  width: 208px;
  height: 40px;
}

.bu-header__right {
  display: flex;
  align-items: center;
}

.bu-header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
  a {
    color: var(--bu-text-primary);
    font-size: var(--fs-md);
    font-weight: var(--weight-bold);
    letter-spacing: 0.04em;
    line-height: 1.6;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    &:focus-visible {
      outline: 3px solid var(--bu-banana-base);
      outline-offset: 3px;
    }
  }
  a:not(.bu-header__download):hover,
  a:not(.bu-header__download):focus-visible {
    color: var(--bu-text-brown);
  }
}

.bu-header__download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 24px;
  border-radius: var(--r-pill);
  background: var(--bu-banana-base);
  color: var(--bu-text-brown) !important;
}

.bu-header__menu {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  background: var(--bg-base);
  cursor: pointer;
  svg {
    width: 24px;
    height: 24px;
  }
}

.bu-mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  justify-content: flex-end;
  background: var(--overlay-dark);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease;
  &.bu-mobile-nav--open {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    .bu-mobile-nav__panel {
      transform: translateX(0);
    }
  }
}

.bu-mobile-nav__panel {
  display: flex;
  width: min(90%, 360px);
  padding: 8px 16px 32px;
  flex-direction: column;
  gap: 16px;
  background: var(--bg-base);
  box-shadow: var(--shadow-drawer);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  .bu-nav-list {
    display: flex;
    width: 100%;
    flex-direction: column;
  }
  .bu-nav-list__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px dashed var(--bu-link);
    color: var(--bu-text-primary);
    text-decoration: none;
    &:last-child {
      border-bottom: none;
    }
    &:hover,
    &:focus-visible {
      color: var(--bu-text-brown);
    }
  }
  .bu-nav-list__label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: var(--fs-sm);
    font-weight: var(--weight-bold);
    line-height: 1.6;
  }
  .bu-nav-list__arrow {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
  }
}

.bu-mobile-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  span {
    color: var(--bu-text-muted);
    font-size: var(--fs-xs);
    font-weight: var(--weight-bold);
  }
}

.bu-mobile-nav__close {
  display: grid;
  width: 40px;
  height: 40px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  background: var(--bg-base);
  cursor: pointer;
  .bu-icon {
    width: 16px;
    height: 16px;
    fill: var(--bu-link);
  }
}

.bu-header__menu,
.bu-mobile-nav__close,
.bu-nav-list__item {
  &:focus-visible {
    outline: 3px solid var(--bu-banana-base);
    outline-offset: 3px;
  }
}

@media (max-width: 1200px) {
  .bu-header {
    padding: 8px 0;
  }
  .bu-header__inner {
    padding: 0 16px;
  }
  .bu-header__logo {
    gap: 0px;
  }
  .bu-header__mascot {
    width: 24px;
    height: 24px;
  }
  .bu-header__wordmark {
    width: 104px;
    height: 16px;
  }
  .bu-header__right {
    display: none;
  }
  .bu-header__menu {
    display: inline-flex;
  }
  .bu-legal-page {
    .bu-footer__primary {
      align-items: center;
      flex-direction: column;
    }
    .bu-footer__brand {
      align-items: center;
    }
    .bu-footer__brand p {
      text-align: center;
    }
  }
}

.bu-download {
  position: relative;
  display: flex;
  min-height: 440px;
  align-items: center;
  justify-content: center;
  padding: 80px 16px;
  background: url("/assets@BananaUnchi/img/bg/bg-cta@pc.webp") center / cover no-repeat;
}

.bu-download__inner {
  position: relative;
  display: flex;
  width: min(1144px, 100%);
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.bu-download__copy {
  display: flex;
  flex-direction: column;
  gap: 24px;
  color: var(--bu-text-brown);
  font-weight: var(--weight-extra-bold);
  paint-order: stroke fill;
  text-align: center;
  text-shadow: 0 3px 0 var(--text-inverse);
  -webkit-text-fill-color: var(--bu-text-brown);
  -webkit-text-stroke-color: var(--text-inverse);
  h2 {
    margin: 0;
    color: var(--bu-text-brown);
    font-size: var(--fs-4xl);
    line-height: 1.4;
    letter-spacing: 0.04em;
    -webkit-text-stroke-width: 4px;
  }
  p {
    margin: 0;
    font-size: var(--fs-xl);
    line-height: 1.7;
    letter-spacing: 0.04em;
    -webkit-text-stroke-width: 2px;
  }
  span {
    display: block;
  }
}

.bu-download__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.bu-store-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  justify-content: center;
  @media (max-width: 480px) {
    width: 100%;
    flex-wrap: nowrap;
    > [data-store-download-button] {
      width: 0;
      flex: 1 1 0;
    }
  }
}

.bu-download__features {
  display: flex;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
  li {
    display: flex;
    align-items: center;
    gap: 0px;
    padding: 8px 8px;
    border-radius: var(--r-md);
    background: var(--bg-base);
    box-shadow: 0 0 16px rgba(0, 0, 0, 0.16);
    color: var(--bu-text-primary);
    font-size: var(--fs-sm);
    font-weight: var(--weight-bold);
    letter-spacing: 0.08em;
    white-space: nowrap;
  }
  img {
    width: 24px;
    height: 24px;
  }
}

.bu-page-tag {
  padding: 8px 24px;
  border-radius: var(--r-pill);
  background: var(--bu-banana-base);
  color: var(--bu-text-brown);
  font-size: var(--fs-md);
  font-weight: var(--weight-extra-bold);
  line-height: 1.2;
  letter-spacing: 0.04em;
}

.bu-page-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  color: var(--bu-text-primary);
  text-align: center;
  h1 {
    margin: 0;
    color: var(--bu-text-primary);
    font-size: var(--fs-3xl);
    font-weight: var(--weight-extra-bold);
    line-height: 1.3;
    letter-spacing: 0.04em;
  }
  p {
    margin: 0;
    font-size: var(--fs-md);
    font-weight: var(--weight-medium);
    line-height: 1.8;
    letter-spacing: 0.04em;
  }
}

.bu-footer {
  min-height: 440px;
  padding: 120px 16px;
  background: var(--bu-bg-paper);
  color: var(--bu-text-primary);
}

.bu-legal-page {
  .bu-footer {
    min-height: 600px;
    background: var(--bu-bg-warm);
  }
}

.bu-footer__inner {
  display: flex;
  width: min(var(--container-max), 100%);
  margin: 0 auto;
  flex-direction: column;
  gap: 120px;
}

.bu-footer__primary {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
}

.bu-footer__brand {
  display: flex;
  width: 480px;
  max-width: 100%;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.bu-footer__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.bu-footer__mascot {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.bu-footer__wordmark {
  width: 208px;
  height: 40px;
}

.bu-footer__brand {
  p {
    margin: 0;
    font-size: var(--fs-md);
    font-weight: var(--weight-bold);
    line-height: 1.8;
    letter-spacing: 0.04em;
  }
}

.bu-footer__nav {
  display: flex;
  align-items: center;
  gap: 0;
  a {
    color: var(--bu-text-brown);
    font-size: var(--fs-sm);
    font-weight: var(--weight-bold);
    line-height: 1.5;
    letter-spacing: 0.04em;
    text-decoration: none;
    white-space: nowrap;
  }
  a + a::before {
    display: inline-block;
    width: 1px;
    height: 8px;
    margin: 0 32px;
    background: var(--bu-text-brown);
    content: "";
    vertical-align: -2px;
  }
}

.bu-footer__copyright {
  margin: 0;
  color: var(--bu-text-primary);
  font-size: var(--fs-md);
  font-weight: var(--weight-bold);
  line-height: 1.8;
  letter-spacing: 0.04em;
  text-align: center;
}

@media (max-width: 768px) {
  .bu-download {
    min-height: 640px;
    align-items: flex-start;
    padding: 80px 16px 200px;
    background-image: url("/assets@BananaUnchi/img/bg/bg-cta@sp.webp");
  }
  .bu-download__inner {
    gap: 24px;
  }
  .bu-download__copy {
    gap: 16px;
    h2 {
      font-size: var(--fs-2xl);
      -webkit-text-stroke-width: 2px;
    }
    p {
      font-size: var(--fs-xs);
      line-height: 2;
      -webkit-text-stroke-width: 1.5px;
    }
  }
  .bu-download__features {
    gap: 8px;
    li {
      gap: 0px;
      padding: 8px 8px;
      font-size: var(--fs-xs);
      letter-spacing: 0.08em;
    }
    img {
      width: 16px;
      height: 16px;
    }
  }
  .bu-page-tag {
    padding: 8px 24px;
  }
  .bu-page-head {
    gap: 16px;
    h1 {
      font-size: var(--fs-26);
    }
    p {
      font-size: var(--fs-sm);
    }
  }
  .bu-footer {
    min-height: 640px;
    padding: 80px 16px;
  }
  .bu-legal-page {
    .bu-footer {
      min-height: 640px;
      padding: 80px 16px;
    }
  }
  .bu-footer__inner {
    gap: 56px;
  }
  .bu-footer__primary {
    align-items: center;
    flex-direction: column;
    gap: 56px;
  }
  .bu-footer__brand {
    width: 100%;
    align-items: center;
    p {
      font-size: var(--fs-sm);
      text-align: center;
    }
  }
  .bu-footer__nav {
    flex-direction: column;
    gap: 16px;
    a + a::before {
      display: none;
    }
  }
  .bu-footer__copyright {
    font-size: var(--fs-xs);
  }
}

@media (max-width: 374px) {
  .bu-download__features {
    li {
      padding-inline: 8px;
    }
  }
}

/* ===== Legal documents ===== */

.bu-doc-head {
  width: min(var(--container-max), 100%);
  padding: 64px 16px 48px;
  margin: 0 auto;
  p {
    max-width: 640px;
  }
}

.bu-doc__layout {
  display: grid;
  width: min(var(--container-max), 100%);
  padding: 0 16px 120px;
  margin: 0 auto;
  grid-template-columns: 260px minmax(0, 1fr);
  align-items: start;
  gap: 48px;
}

.bu-doc-toc {
  position: sticky;
  top: 112px;
  display: flex;
  padding: 24px 0;
  flex-direction: column;
  gap: 8px;
}

.bu-doc-toc__title {
  padding: 0 16px;
  color: var(--bu-text-muted);
  font-size: var(--fs-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.08em;
}

.bu-doc-toc {
  ol {
    display: flex;
    padding: 0;
    margin: 0;
    flex-direction: column;
    list-style: none;
  }
  a {
    display: flex;
    padding: 8px 16px;
    align-items: center;
    border-radius: var(--r-pill);
    color: var(--bu-text-primary);
    font-size: var(--fs-xs);
    font-weight: var(--weight-bold);
    line-height: 1.6;
    text-decoration: none;
    transition: background-color 0.2s ease;
  }
  a:hover,
  a:focus-visible {
    background: rgba(255, 235, 86, 0.45);
    color: var(--bu-text-brown);
  }
  a:focus-visible {
    outline: 3px solid var(--bu-banana-base);
    outline-offset: 2px;
  }
}

.bu-doc-wrapper {
  min-width: 0;
  padding: 48px;
  border-radius: var(--r-2xl);
  background: var(--bg-base);
  box-shadow: var(--shadow-card);
}

.bu-doc-intro {
  margin: 0 0 32px;
  padding: 24px;
  border-radius: var(--r-lg);
  background: var(--bu-bg-note);
  color: var(--bu-text-primary);
  font-size: var(--fs-md);
  font-weight: var(--weight-medium);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.bu-doc-block {
  scroll-margin-top: 120px;
  & + .bu-doc-block {
    margin-top: 32px;
  }
  h2 {
    margin: 0 0 16px;
    color: var(--bu-text-primary);
    font-size: var(--fs-xl);
    font-weight: var(--weight-extra-bold);
    line-height: 1.45;
    letter-spacing: 0.04em;
  }
  p,
  li {
    color: var(--bu-text-primary);
    font-size: var(--fs-md);
    font-weight: var(--weight-medium);
    line-height: 1.8;
    letter-spacing: 0.04em;
  }
  p {
    margin: 0;
  }
  p + p,
  p + ul,
  p + ol {
    margin-top: 8px;
  }
  ul,
  ol {
    padding: 0 0 0 24px;
    margin: 0;
  }
  li + li {
    margin-top: 8px;
  }
  a {
    color: var(--bu-link);
    font-weight: var(--weight-bold);
  }
}

.bu-doc-meta {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px dashed var(--border-light);
  color: var(--bu-text-subtle);
  font-size: var(--fs-sm);
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
}

.bu-doc__retry {
  margin-top: 16px;
  padding: 8px 16px;
  border: 0;
  border-radius: var(--r-pill);
  background: var(--bu-banana-base);
  color: var(--bu-text-brown);
  font: inherit;
  font-weight: var(--weight-bold);
  cursor: pointer;
}

@media (max-width: 1200px) {
  .bu-doc__layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .bu-doc-toc {
    position: static;
    display: none;
  }
}

@media (max-width: 768px) {
  .bu-doc-head {
    padding: 48px 16px 40px;
  }
  .bu-doc__layout {
    padding-bottom: 80px;
  }
  .bu-doc-wrapper {
    padding: 32px 16px;
    border-radius: var(--r-lg);
  }
  .bu-doc-intro {
    padding: 16px;
    font-size: var(--fs-sm);
  }
  .bu-doc-block {
    h2 {
      font-size: var(--fs-lg);
    }
    p,
    li {
      font-size: var(--fs-sm);
    }
  }
}