:root {
  --teal: #2f6f6b;
  --teal-dark: #1e4b48;
  --teal-light: #479a92;
  --tint: rgba(47, 111, 107, 0.1);
  --bg: #f6f7f7;
  --card: #ffffff;
  --text: #1c1c1e;
  --muted: #5f6368;
  --line: #e4e7e7;
  --radius: 20px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111414; --card: #1a1f1f; --text: #f2f4f4; --muted: #a3aaaa; --line: #2a3131; --tint: rgba(124, 198, 190, 0.12); }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--teal); }
@media (prefers-color-scheme: dark) { a { color: #7cc6be; } }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 22px; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; }
header.top .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; }
header.top img { width: 36px; height: 36px; border-radius: 9px; }
header.top nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 15px; }
.hero { background: linear-gradient(155deg, var(--teal-light) 0%, var(--teal) 52%, var(--teal-dark) 100%); color: #fff; border-radius: 28px; padding: 56px 32px; text-align: center; margin: 8px 0 40px; }
.hero h1 { font-size: clamp(34px, 6vw, 54px); line-height: 1.1; margin: 0 0 14px; letter-spacing: -0.02em; }
.hero p { font-size: 20px; max-width: 620px; margin: 0 auto 26px; color: rgba(255, 255, 255, 0.9); }
.btn { display: inline-block; background: #fff; color: var(--teal-dark); font-weight: 700; padding: 14px 26px; border-radius: 16px; text-decoration: none; }
.btn.soon { opacity: 0.95; }
.sub { margin-top: 14px; font-size: 15px; color: rgba(255, 255, 255, 0.8); }
h2 { font-size: 28px; letter-spacing: -0.01em; margin: 48px 0 8px; }
.lead { color: var(--muted); margin: 0 0 24px; max-width: 640px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.pill { display: inline-block; background: var(--tint); color: var(--teal); border-radius: 999px; padding: 3px 12px; font-size: 14px; font-weight: 600; margin-bottom: 10px; }
@media (prefers-color-scheme: dark) { .pill { color: #7cc6be; } }
.notice { background: var(--tint); border-radius: var(--radius); padding: 18px 22px; margin-top: 40px; font-size: 16px; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px 18px; margin-bottom: 10px; }
summary { font-weight: 600; cursor: pointer; }
details p { margin: 10px 0 0; color: var(--muted); }
footer { color: var(--muted); font-size: 14px; padding: 40px 0 60px; text-align: center; }
article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; margin: 20px 0 10px; }
article h1 { margin-top: 0; }
article h2 { font-size: 21px; margin-top: 28px; }
.draft { background: #fff4d6; color: #5b4300; border-radius: 14px; padding: 12px 16px; font-size: 15px; margin-bottom: 18px; }