/* Common site identity for standalone FX Blog tools. */
.fx-site-header {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
  width: 100%;
  max-width: none;
  min-height: 64px;
  height: auto;
  margin: 0;
  padding: 12px 28px;
  background: #fff;
  border-bottom: 1px solid #e5e8ec;
  font-family: -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.6;
}
.fx-site-header .fx-site-brand {
  display: inline-block;
  flex-shrink: 0;
  margin: 0;
  padding: 0;
  color: #181c25;
  font-family: inherit;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: normal;
  text-decoration: none;
  white-space: nowrap;
}
.fx-site-header nav { flex-wrap: wrap; gap: 12px 20px; }
.fx-site-header .fx-site-brand:hover { color: #181c25; text-decoration: underline; }
.fx-site-header .fx-site-brand:focus-visible { outline: 2px solid #275cec; outline-offset: 5px; }
@media (max-width: 700px) {
  .fx-site-header { min-height: 48px; padding: 10px 14px; gap: 8px 14px; }
  .fx-site-header .fx-site-brand { font-size: 13px; }
  .fx-site-header nav { gap: 8px 12px; }
}