@font-face {
  font-family: system-ui;
  src: local("Arial");
}

:root {
  --paper: #fdfcf8;
  --ink: #111111;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

.wall {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(7rem, 16vh, 12rem);
  padding: 3rem 1.5rem;
}

.mark {
  width: clamp(112px, 14vw, 178px);
  height: auto;
  display: block;
  image-rendering: auto;
}

.contact {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  opacity: 0.82;
}

.contact:hover {
  opacity: 1;
}

@media (max-width: 640px) {
  .wall { gap: 7rem; }
  .mark { width: 128px; }
}