.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .98);
  border-bottom: 1px solid #d9e7f4;
}

.site-nav-inner {
  box-sizing: border-box;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: nowrap;
}

.site-brand {
  display: flex !important;
  align-items: center;
  flex: 0 0 auto;
  color: #003b70 !important;
  text-decoration: none;
  font-size: 1rem !important;
  font-weight: 900 !important;
  line-height: 1.2;
  white-space: nowrap;
}

.site-brand img {
  width: 32px !important;
  height: 32px !important;
  margin: 0 7px 0 0 !important;
  object-fit: cover;
  border-radius: 8px;
  vertical-align: middle;
}

.site-brand-sub {
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid #cbd5e1;
  color: #64748b;
  font-size: .76rem;
  font-weight: 750;
}

.site-nav-links {
  display: flex !important;
  align-items: center;
  min-width: 0;
  gap: 14px !important;
  flex-wrap: nowrap !important;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.site-nav-links::-webkit-scrollbar {
  display: none;
}

.site-nav-links a {
  flex: 0 0 auto;
  padding: 6px 0 !important;
  border-bottom: 2px solid transparent;
  color: #16395c !important;
  text-decoration: none;
  font-size: .95rem !important;
  font-weight: 900 !important;
  line-height: 1.2;
  white-space: nowrap;
}

.site-nav-links a:hover,
.site-nav-links a[aria-current="page"] {
  color: #0067b1 !important;
  border-bottom-color: #0067b1;
}

/* Keep Japanese phrases readable while still allowing long URLs and numbers to wrap. */
body p,
body li,
body figcaption,
body .lead,
body .site-data-notice,
body .hero p,
body .header p {
  min-width: 0;
  word-break: normal !important;
  overflow-wrap: anywhere !important;
  line-break: strict;
}

body h1,
body h2,
body h3,
body .hero h1,
body .header h1 {
  min-width: 0;
  word-break: auto-phrase !important;
  overflow-wrap: normal !important;
  line-break: strict;
  text-wrap: balance;
}

img,
video,
iframe {
  max-width: 100%;
}

@media (max-width: 720px) {
  .site-nav-inner {
    display: block;
    padding: 9px 12px;
  }

  .site-brand {
    margin-bottom: 7px;
  }

  .site-brand img {
    width: 30px !important;
    height: 30px !important;
    border-radius: 7px;
  }

  .site-brand-sub {
    margin-left: 7px;
    padding-left: 7px;
    font-size: .72rem;
  }

  .site-nav-links {
    gap: 13px !important;
  }
}

@media (max-width: 360px) {
  .site-brand {
    font-size: .94rem !important;
  }

  .site-brand-sub {
    display: none;
  }
}