/* One header for the directory, both event categories and event details. */
html { scroll-padding-top: 110px; scroll-behavior: smooth; }
.channel-skip { position: fixed; top: -100px; left: 20px; padding: 12px; z-index: 30; background: #f4f1e9; color: #080809; font-family: system-ui,sans-serif; }
.channel-skip:focus { top: 12px; }
.site-header.channel-header {
  box-sizing: border-box;
  --header-ink: #f4f1e9;
  --header-paper: #080809;
  --header-accent: #ff2a70;
  --header-signal: #ffed38;
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 80px;
  padding: 18px max(4vw,24px);
  border-bottom: 1px solid #66535d;
  background: #080809f5;
  color: var(--header-ink);
  font-family: 'Noto Sans JP',system-ui,sans-serif;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.75;
  font-synthesis: none;
}
.site-header.channel-header * { box-sizing: border-box; }
.site-header.channel-header a { color: inherit; text-decoration: none; }
.site-header.channel-header .wordmark {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  font-family: 'Barlow Condensed','Arial Narrow',Arial,sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: .035em;
  white-space: nowrap;
}
.site-header.channel-header .wordmark-channels { color: #efede8; }
.site-header.channel-header .mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--header-accent);
  background: var(--header-accent);
  color: var(--header-paper);
  font-size: 1.75rem;
  font-weight: 800;
  transform: rotate(-7deg);
}
.site-header.channel-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  padding: 0;
  font-size: .875rem;
  font-weight: 700;
}
.site-header.channel-header nav a:not(.nav-register) { padding: 10px 0; }
.site-header.channel-header nav a:hover { color: var(--header-accent); }
.site-header.channel-header nav .nav-register {
  min-height: 44px;
  padding: 9px 16px;
  border: 1px solid var(--header-signal);
  background: var(--header-signal);
  color: var(--header-paper);
  font-size: .875rem;
  font-weight: 700;
}
.site-header.channel-header nav .event-register {
  background: var(--header-accent);
  border-color: var(--header-accent);
  color: var(--header-paper);
}
.site-header.channel-header nav .nav-register:hover {
  background: var(--header-ink);
  border-color: var(--header-ink);
  color: var(--header-paper);
}
.site-header.channel-header .menu-toggle {
  display: none;
  width: 48px;
  min-height: 46px;
  padding: 11px 10px;
  align-content: center;
  gap: 5px;
  border: 1px solid #efede8;
  background: #171417;
  color: inherit;
  font: inherit;
  cursor: pointer;
}
.site-header.channel-header .menu-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--header-ink);
}
.site-header.channel-header .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}
.site-header.channel-header a:focus-visible,
.site-header.channel-header button:focus-visible,
.site-header.channel-header summary:focus-visible {
  outline: 3px solid var(--header-accent);
  outline-offset: 5px;
}
@media(max-width:1100px) {
  .site-header.channel-header nav { gap: 14px; font-size: .8125rem; }
  .site-header.channel-header nav .nav-register { padding: 9px 11px; font-size: .8125rem; }
}
@media(max-width:940px) {
  .site-header.channel-header .menu-toggle { display: grid; }
  .site-header.channel-header nav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 5px;
    padding-top: 10px;
  }
  .site-header.channel-header.menu-open nav { display: flex; }
  .site-header.channel-header nav a:not(.nav-register) { padding: 9px 0; }
  .site-header.channel-header nav .nav-register { text-align: center; font-size: .9375rem; margin-bottom: 6px; }
  .site-header.channel-header .event-type-menu { width: 100%; }
  .site-header.channel-header .event-type-menu summary { width: 100%; padding: 8px 0; }
  .site-header.channel-header .event-type-menu .event-type-links { position: static; min-width: 0; box-shadow: none; }
}
@media(max-width:760px) {
  html { scroll-padding-top: 100px; }
  .site-header.channel-header .mark { width: 38px; height: 38px; font-size: 1.5rem; }
}
@media(max-width:600px) {
  .site-header.channel-header { padding: 16px 18px; min-height: 78px; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } }