:root {
  --ink: #111311;
  --muted: #5a605c;
  --line: #d9ddda;
  --paper: #f6f7f6;
  --card: #ffffff;
  --black: #0a0a0a;
  --green: #157a41;
  --green-light: #3cc47c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--green); }

.wrap { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 20px; }

.top { padding: 18px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 600; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }

.hero { background: var(--black); color: #fff; padding: 56px 0 64px; }
.hero .top { padding: 0 0 44px; }
.hero h1 { margin: 0 0 14px; max-width: 640px; font-size: clamp(32px, 6vw, 48px); line-height: 1.12; font-weight: 600; letter-spacing: -0.02em; }
.hero h1 em { color: var(--green-light); font-style: normal; }
.hero p { margin: 0 0 26px; max-width: 560px; color: #c9cdca; font-size: 18px; }
.soon { display: inline-block; border: 1px solid var(--green-light); border-radius: 12px; padding: 10px 16px; color: var(--green-light); font-size: 14px; }

.section { padding: 52px 0; }
.section h2 { margin: 0 0 22px; font-size: 26px; font-weight: 600; letter-spacing: -0.01em; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 16px; font-weight: 600; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.price { margin: 4px 0 10px; font-size: 26px; font-weight: 600; }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 15px; }
.card.pro { border: 1px solid var(--green); }

.note { margin: 16px 0 0; color: var(--muted); font-size: 14px; }

.doc { max-width: 720px; padding: 8px 0 56px; }
.doc h1 { margin: 16px 0 4px; font-size: 32px; line-height: 1.2; font-weight: 600; letter-spacing: -0.01em; }
.doc h2 { margin: 30px 0 6px; font-size: 19px; font-weight: 600; }
.doc .updated { margin: 0 0 22px; color: var(--muted); font-size: 14px; }
.doc li { margin-bottom: 4px; }

footer { border-top: 1px solid var(--line); padding: 24px 0 36px; color: var(--muted); font-size: 14px; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 8px; }