:root {
  color-scheme: light;
  --ink: #16241f;
  --muted: #63706b;
  --paper: #fffdf7;
  --green: #12372a;
  --mint: #dcece4;
  --line: #e1e5df;
  --gold: #c99136;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 5%, rgba(201, 145, 54, .13), transparent 30%),
    linear-gradient(180deg, #f4f0e6 0, #faf8f2 38%, #f5f6f2 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

.page {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: calc(28px + env(safe-area-inset-top)) 20px calc(28px + env(safe-area-inset-bottom));
}

.hero {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.brand-mark {
  width: 62px;
  height: 62px;
  flex: 0 0 62px;
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(18, 55, 42, .2);
  object-fit: cover;
}

.eyebrow { margin: 0 0 4px; color: var(--gold); font-size: 13px; font-weight: 700; letter-spacing: .08em; }
h1 { margin: 0; font-size: clamp(28px, 7vw, 42px); line-height: 1.12; letter-spacing: -.02em; }
.subtitle { margin: 6px 0 0; color: var(--muted); font-size: 15px; }

.notice {
  display: flex;
  gap: 13px;
  padding: 18px;
  border: 1px solid #c9ddd2;
  border-radius: 18px;
  background: rgba(220, 236, 228, .68);
}

.notice-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  color: #fff;
  background: var(--green);
  font-family: Georgia, serif;
  font-weight: 700;
}

.notice h2, .step h2 { margin: 0; font-size: 16px; }
.notice p, .step p { margin: 6px 0 0; color: var(--muted); font-size: 14px; line-height: 1.65; }

.steps {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.step {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 253, 247, .9);
  box-shadow: 0 7px 24px rgba(25, 44, 36, .045);
}

.step-no {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: var(--green);
  background: #eef2ed;
  font-weight: 800;
}

.done .step-no { color: #fff; background: var(--green); }
.tag { padding: 5px 9px; border-radius: 999px; color: #6f5b36; background: #f2eadb; font-size: 12px; white-space: nowrap; }
.done .tag { color: #195039; background: #dcece4; }
.footnote { margin: 20px 4px 0; color: #7b817d; font-size: 12px; line-height: 1.7; text-align: center; }

@media (max-width: 520px) {
  .page { padding-left: 16px; padding-right: 16px; }
  .hero { align-items: flex-start; }
  .brand-mark { width: 54px; height: 54px; flex-basis: 54px; border-radius: 15px; }
  .step { grid-template-columns: 38px 1fr; }
  .tag { grid-column: 2; justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}