/* wireshark modern layout aligned with develop + shared footer */
:root {
  --ws-blue: #003087;
  --ws-blue-strong: #00266d;
  --ws-blue-soft: #0055c8;
  --ws-bg: #f3f7fc;
  --ws-text: #133458;
  --ws-line: #c6d3e8;
  --ws-card: #ffffff;
}

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at 50% -20%, #e7efff 0%, var(--ws-bg) 46%, #edf2fa 100%);
  color: var(--ws-text);
  font-family: "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.65;
}

a { color: #003ea8; }

a:hover { color: #1c6bdd; }

#ws-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 2px solid var(--ws-blue);
  box-shadow: 0 2px 10px rgba(0, 34, 90, 0.13);
}

.ws-header-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 8px 14px 10px;
}

.ws-logo {
  display: block;
  text-align: center;
  margin-bottom: 8px;
}

.ws-logo img {
  max-width: 100%;
  height: auto;
}

.ws-nav-wrap {
  display: flex;
  justify-content: center;
}

.ws-fallback-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.ws-fallback-nav a {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #9cb4db;
  background: linear-gradient(180deg, #fff, #eef4ff);
  text-decoration: none;
  font-size: 13px;
}

.ws-main {
  max-width: 1180px;
  margin: 16px auto 46px;
  padding: 0 12px;
}

.ws-lang-switch {
  text-align: right;
  font-size: 13px;
  margin-bottom: 6px;
}

.ws-breadcrumb {
  margin-bottom: 14px;
  padding: 8px 12px;
  border: 1px solid var(--ws-line);
  background: #fff;
  border-radius: 10px;
  font-size: 13px;
}

.ws-intro {
  border: 1px solid #cfdbef;
  border-radius: 12px;
  padding: 15px 18px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
}

.ws-intro h1 {
  margin: 0 0 8px;
  color: var(--ws-blue-strong);
  font-size: clamp(1.2rem, 2.7vw, 1.85rem);
}

.ws-content {
  border: 1px solid #d3def1;
  border-radius: 12px;
  padding: 14px;
  background: var(--ws-card);
  box-shadow: 0 10px 24px rgba(24, 49, 89, 0.08);
  overflow-x: auto;
}

.legacy-content table {
  width: 100% !important;
  max-width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
}

.legacy-content table[border="1"] td,
.legacy-content table[border="1"] th,
.legacy-content td,
.legacy-content th {
  border: 1px solid var(--ws-line) !important;
  padding: 8px;
  vertical-align: top;
}

.legacy-content tr[bgcolor="#0033CC"] td,
.legacy-content tr[bgcolor="#0033cc"] td {
  background: linear-gradient(90deg, var(--ws-blue), var(--ws-blue-soft));
  color: #fff;
}

.legacy-content img {
  max-width: 100%;
  height: auto;
}

.legacy-content center,
.legacy-content blockquote {
  margin-inline: 0;
}

#ws-footer { margin-top: 22px; }
#ws-footer #footer { max-width: 1000px; width: 100%; margin: 0 auto; }
#ws-footer article { background: linear-gradient(135deg, var(--ws-blue) 0%, var(--ws-blue-soft) 100%) !important; }
#ws-footer footer,
#ws-footer address,
#ws-footer h3,
#ws-footer a,
#ws-footer li { color: #fff !important; }

.ws-backtotop {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 1200;
}

.ws-backtotop a {
  display: inline-block;
  min-width: 52px;
  text-align: center;
  border-radius: 10px;
  padding: 9px 10px;
  color: #fff;
  text-decoration: none;
  font-size: 12px;
  line-height: 1.25;
  background: rgba(0, 48, 135, 0.92);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .ws-header-inner { padding: 8px 10px; }
  .ws-main { margin-top: 12px; padding: 0 8px; }
  .ws-content { padding: 8px; }
  .legacy-content td,
  .legacy-content th { font-size: 13px; }
  .ws-backtotop a { min-width: 48px; font-size: 11px; }
}