:root{
  --ink:#16201b;--muted:#5b6660;--line:#e3e7e4;--bg:#fbfaf6;--alt:#f1f4ef;
  --green:#0f7a4a;--green-d:#0a5a37;--accent:#f2b134;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Hiragino Sans","Noto Sans JP","Yu Gothic",system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:16px}
a{color:var(--green)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:10;background:rgba(251,250,246,.95);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.logo{font-weight:800;text-decoration:none;color:var(--ink);letter-spacing:.02em;white-space:nowrap}
.logo span{color:var(--green)}
.site-header nav{display:flex;gap:18px;overflow-x:auto}
.site-header nav a{color:var(--muted);text-decoration:none;font-size:14px;white-space:nowrap}
.site-header nav a:hover{color:var(--green)}
.hero{padding:64px 0 48px;background:linear-gradient(180deg,#eef5ef 0%,var(--bg) 100%)}
.eyebrow{display:inline-block;margin:0 0 12px;padding:4px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--green-d);font-weight:700}
.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.3;margin:0 0 16px;letter-spacing:.01em}
.lead{max-width:680px;color:#2c3732;margin:0 0 28px}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:680px}
.stats div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.stats b{display:block;font-size:30px;line-height:1.2;color:var(--green-d)}
.stats small{font-size:15px;margin-left:2px}
.stats span{font-size:13px;color:var(--muted)}
.note{font-size:12px;color:var(--muted);margin-top:12px}
.block{padding:56px 0}
.block.alt{background:var(--alt)}
.block h2{font-size:26px;margin:0 0 20px}
.sub{color:var(--muted);margin:-8px 0 20px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column}
.card h3{font-size:17px;line-height:1.5;margin:8px 0}
.card p{font-size:14px;color:var(--muted);margin:0}
.card a{text-decoration:none;color:inherit}
.tag{align-self:flex-start;font-size:12px;font-weight:700;color:var(--green-d);background:#e3f1e8;border-radius:6px;padding:2px 8px}
.card.soon{opacity:.85}
.status{margin-top:12px;font-size:12px;color:#8a6200;font-weight:700}
.invite{background:#123b2a;color:#eef5ef}
.invite h2{color:#fff}
.invite p{max-width:720px}
.code-box{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin:20px 0;padding:16px 20px;background:rgba(255,255,255,.08);border:1px dashed rgba(255,255,255,.35);border-radius:12px;max-width:520px}
.code-box .label{font-size:13px;opacity:.8}
.code-box b{font-size:28px;letter-spacing:.08em;color:var(--accent);font-family:ui-monospace,Menlo,monospace}
.code-box .checked{font-size:12px;opacity:.75}
.btn{display:inline-block;background:var(--accent);color:#1d1600;font-weight:800;text-decoration:none;padding:14px 22px;border-radius:12px}
.btn:hover{filter:brightness(1.05)}
.about p{max-width:720px}
.site-footer{border-top:1px solid var(--line);padding:28px 0;font-size:13px;color:var(--muted)}
.copy{margin:0}
@media (max-width:640px){
  .site-header nav{display:none}
  .hero{padding:44px 0 36px}
  .stats b{font-size:24px}
  .stats div{padding:12px}
  .block{padding:44px 0}
}
.signup{font-size:14px;color:var(--muted)}
.signup small{font-size:12px}