/* site.css — 静的ページ共通スタイル */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { visibility: hidden; }
body {
  background: #0a0a1a;
  color: #e0e0e0;
  font-family: sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.site-nav-top {
  width: 100%;
  background: rgba(0,0,0,0.35);
  border-bottom: 1px solid rgba(100,181,246,0.15);
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  justify-content: center;
  align-items: center;
  font-size: 13px;
}
.site-nav-top a {
  color: #8899aa;
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color .15s;
  white-space: nowrap;
}
.site-nav-top a:hover { color: #64b5f6; }
.site-nav-top a.current {
  color: #e0e0e0;
  font-weight: 700;
  background: rgba(100,181,246,0.1);
}
.site-nav-top .nav-sep {
  color: #334455;
  font-size: 11px;
  padding: 0 1px;
}
.container {
  max-width: 600px;
  width: 100%;
  padding: 32px 20px 60px;
  flex: 1;
}
h1 {
  color: #64b5f6;
  font-size: 22px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
h2 {
  color: #64b5f6;
  font-size: 15px;
  margin-bottom: 12px;
  margin-top: 28px;
  letter-spacing: 1px;
  border-bottom: 1px solid rgba(100,181,246,0.3);
  padding-bottom: 4px;
}
p {
  font-size: 14px;
  line-height: 1.9;
  color: #e0e0e0;
  margin-bottom: 10px;
}
a { color: #64b5f6; }
.lang-chips {
  margin-bottom: 20px;
  text-align: center;
  line-height: 1.6;
}
.site-nav-bottom {
  width: 100%;
  border-top: 1px solid rgba(100,181,246,0.1);
  padding: 20px 16px;
  text-align: center;
  font-size: 12px;
  line-height: 2.4;
}
.site-nav-bottom a {
  color: #8899aa;
  text-decoration: none;
  margin: 0 5px;
}
.site-nav-bottom a:hover { color: #64b5f6; }
.site-nav-bottom .copyright {
  display: block;
  color: #445566;
  margin-top: 4px;
  font-size: 11px;
}
.body-ja table, .body-en table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 12px 0 18px;
}
.body-ja th, .body-en th {
  background: rgba(100,181,246,0.1);
  color: #64b5f6;
  font-weight: 700;
  padding: 7px 10px;
  text-align: left;
  border-bottom: 1px solid rgba(100,181,246,0.3);
  white-space: nowrap;
}
.body-ja td, .body-en td {
  padding: 7px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  line-height: 1.6;
  vertical-align: top;
}
.body-ja tr:last-child td, .body-en tr:last-child td { border-bottom: none; }
.body-ja td:first-child, .body-en td:first-child { white-space: nowrap; }
@media (max-width: 480px) {
  .body-ja .scroll-table-wrap, .body-en .scroll-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}