:root {
  --bg: #181410;
  --terra: #c45c40;
  --terra-deep: #6c2418;
  --brass: #f4d05a;
  --text: #f3ede4;
  --muted: #a9a098;
  --line: rgba(255, 255, 255, 0.10);
  --link: #f4d05a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ----- hero ----- */
.hero {
  max-width: 640px;
  margin: 0 auto;
  padding: 96px 28px 60px;
  text-align: center;
}
.mark {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  background: linear-gradient(180deg, var(--terra) 0%, var(--terra-deep) 100%);
  margin: 0 auto 24px;
  position: relative;
  box-shadow: 0 8px 24px rgba(0,0,0,0.45);
}
.pointer {
  position: absolute;
  left: 50%;
  top: 46%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-left: 24px solid transparent;
  border-right: 24px solid transparent;
  border-top: 38px solid #fbf2e4;
}
.hero h1 {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.hero .tag {
  color: var(--brass);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 0 0 18px;
}
.hero .desc {
  color: var(--muted);
  font-size: 15px;
  max-width: 460px;
  margin: 0 auto 28px;
}
.hero nav {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 20px;
}
.hero nav a {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ----- inner pages ----- */
.page {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 28px 100px;
}
.page header {
  margin-bottom: 36px;
}
.page .back {
  display: inline-block;
  font-size: 13px;
  color: var(--brass);
  margin-bottom: 18px;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.page h1 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.page .updated {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}
.page section { margin-bottom: 36px; }
.page h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 12px;
  color: var(--text);
}
.page h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 18px 0 6px;
  color: var(--text);
}
.page p {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 12px;
}
.page ul {
  margin: 0 0 12px;
  padding-left: 22px;
  color: var(--muted);
}
.page li { margin-bottom: 8px; font-size: 15px; }
.page strong { color: var(--text); font-weight: 600; }