:root {
  --Black: #000;
  --Purple: #AE8CFA;
  --White: #FEFCFF;
  --Gray: #d1d1d1;
}
/* bold font */
@font-face {
  font-family: 'Bold';
  src: url(./../fonts/the_bold_font/THE\ BOLD\ FONT\ -\ FREE\ VERSION\ -\ 2023.otf);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--Black);
  color: var(--Gray);
  font-family: 'Bold';
  line-height: 1.8;
  padding: 60px 20px;
}

.container {
  max-width: 780px;
  margin: 0 auto;
}

header {
  border-bottom: 2px solid var(--White);
  padding-bottom: 32px;
  margin-bottom: 56px;
}

.label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--Purple);
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--White);
  letter-spacing: -0.02em;
}

.updated {
  margin-top: 16px;
  font-size: 13px;
  color: var(--Gray);
  opacity: 0.6;
}

section {
  margin-bottom: 48px;
}

h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--White);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--Purple);
}

p {
  margin-bottom: 12px;
  font-size: 15px;
}

.card {
  background: #0d0d0d;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 24px 28px;
  margin-top: 8px;
}

.card p {
  margin-bottom: 6px;
}

.card strong {
  color: var(--White);
  font-weight: 600;
}

ul {
  margin: 0 0 12px 24px;
  font-size: 15px;
}

ul li::marker {
  color: var(--Purple);
}

a {
  color: var(--Purple);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.7;
  text-decoration: underline;
}

.field {
  display: inline-block;
  background: rgba(174, 140, 250, 0.1);
  border: 1px solid var(--Purple);
  border-radius: 2px;
  padding: 3px 10px 0px 10px;
  font-size: 13px;
  color: var(--Purple);
  font-style: italic;
  white-space: nowrap;
}

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid #2a2a2a;
  font-size: 12px;
  color: var(--Gray);
  opacity: 0.5;
  text-align: center;
}

@media (max-width: 480px) {
  body {
    padding: 32px 16px;
  }

  h1 {
    font-size: 1.8rem;
  }

  .card {
    padding: 16px 18px;
  }
}