@font-face {
  font-family: 'Instrument Sans';
  src: url(fonts/instrument-sans.woff2) format('woff2');
  font-weight: 400 700;
  font-display: swap;
}
* { box-sizing: border-box; }
:root {
  --edge: clamp(24px, 5vw, 64px);
  --head: 96px;
}
html { background: #fff; color: #111; }
body {
  margin: 0;
  padding: 0 var(--edge) var(--edge);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  display: grid;
  grid-template-columns: fit-content(200px) minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  column-gap: clamp(24px, 4vw, 64px);
}
header {
  grid-column: 1 / -1;
  position: sticky;
  top: 0;
  z-index: 1;
  height: var(--head);
  display: flex;
  align-items: center;
  background: #fff;
}
h1 {
  margin: 0;
  font-size: clamp(16px, 1.4vw, 19px);
  font-weight: 500;
  letter-spacing: -0.02em;
}
nav {
  position: sticky;
  top: var(--head);
  align-self: start;
  max-height: calc(100vh - var(--head));
  overflow-y: auto;
}
nav ol { margin: 0; padding: 0; list-style: none; }
nav a {
  display: block;
  padding: 2px 0;
  color: #aaa;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  text-decoration: none;
  transition: color .15s;
}
nav a:hover, nav a[aria-current] { color: #111; }
main { display: grid; gap: clamp(16px, 3vw, 40px); }
main a, main .live-art {
  display: block;
  aspect-ratio: 16 / 9;
  opacity: .25;
  filter: grayscale(1);
  transition: opacity .5s, filter .5s;
  background: #f4f4f4;
  scroll-margin-top: var(--head);
}
main a.main, main .live-art.main { opacity: 1; filter: none; }
main img { display: block; width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 640px) {
  body { grid-template-columns: minmax(0, 1fr); }
  nav { display: none; }
  :root { --head: 72px; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

main iframe { display:block; width:100%; height:100%; border:0; }