:root {
  color-scheme: light;
  --nagi: #f4516e;
  --panya: #f9be4b;
  --chichi: #76a170;
  --rei: #0087fb;
  --ink: #26252b;
  --muted: #65646b;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  padding: 1.25rem 1.25rem max(1rem, env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  background: #fff;
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-align: center;
}

.landing {
  background:
    radial-gradient(circle at 72% 28%, color-mix(in srgb, var(--nagi) 10%, transparent), transparent 32%),
    radial-gradient(circle at 72% 72%, color-mix(in srgb, var(--panya) 12%, transparent), transparent 32%),
    radial-gradient(circle at 28% 72%, color-mix(in srgb, var(--chichi) 10%, transparent), transparent 32%),
    radial-gradient(circle at 28% 28%, color-mix(in srgb, var(--rei) 9%, transparent), transparent 32%),
    #fff;
}

.landing::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url('/assets/background.webp') center / min(85vw, 82vh) no-repeat;
  filter: grayscale(1);
  opacity: 0.48;
  pointer-events: none;
}

main {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.message {
  width: min(100%, 38rem);
  padding: clamp(2rem, 6vw, 3.25rem);
  border: 2px solid transparent;
  border-radius: 1rem;
  background:
    radial-gradient(circle at 85% 15%, color-mix(in srgb, var(--nagi) 7%, transparent), transparent 43%) padding-box,
    radial-gradient(circle at 85% 85%, color-mix(in srgb, var(--panya) 9%, transparent), transparent 43%) padding-box,
    radial-gradient(circle at 15% 85%, color-mix(in srgb, var(--chichi) 8%, transparent), transparent 43%) padding-box,
    radial-gradient(circle at 15% 15%, color-mix(in srgb, var(--rei) 7%, transparent), transparent 43%) padding-box,
    linear-gradient(rgb(255 255 255 / 96%), rgb(255 255 255 / 96%)) padding-box,
    conic-gradient(from -30deg, var(--rei), var(--nagi) 60deg, var(--panya) 180deg, var(--chichi) 240deg, var(--rei) 360deg) border-box;
  box-shadow: 0 1rem 3rem rgb(38 37 43 / 8%);
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 650;
  line-height: 1.15;
}

p { margin: 0; }

footer {
  position: relative;
  width: min(100%, 76rem);
  margin-inline: auto;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem 2rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.55;
  text-align: left;
}

.footer-notes { display: grid; gap: 0.375rem; }

@media (max-width: 720px) {
  footer { flex-direction: column; align-items: flex-start; }
}