/* GogaQ LP — minimal modern CSS */
:root {
  --primary: #6366F1;
  --primary-dark: #4F46E5;
  --text: #0F172A;
  --text-muted: #475569;
  --bg: #FFFFFF;
  --bg-alt: #F8FAFC;
  --border: #E2E8F0;
  --radius: 12px;
  --max-w: 1120px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

header.site {
  position: sticky; top: 0; background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}
header.site .bar { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
header.site .brand { font-weight: 800; font-size: 20px; letter-spacing: -0.01em; color: var(--text); }
header.site nav a { margin-left: 24px; color: var(--text-muted); font-size: 14px; }
header.site .cta { background: var(--primary); color: #fff; padding: 8px 16px; border-radius: 999px; font-size: 14px; margin-left: 24px; }
header.site .cta:hover { background: var(--primary-dark); text-decoration: none; }

.hero { padding: 96px 0 64px; text-align: center; background: linear-gradient(180deg, #F5F3FF 0%, #FFFFFF 100%); }
.hero h1 { font-size: clamp(32px, 5vw, 56px); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 20px; }
.hero .tagline { font-size: clamp(16px, 2vw, 20px); color: var(--text-muted); margin: 0 0 32px; }
.hero .ctas a { display: inline-block; padding: 14px 28px; border-radius: 999px; font-weight: 600; margin: 0 6px; }
.hero .ctas .primary { background: var(--primary); color: #fff; }
.hero .ctas .secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }

section { padding: 72px 0; }
section h2 { font-size: clamp(24px, 3vw, 36px); margin: 0 0 12px; letter-spacing: -0.01em; }
section .lead { color: var(--text-muted); margin: 0 0 40px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.card { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--text-muted); font-size: 14px; }

.pricing { background: var(--bg-alt); }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.plan { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.plan.featured { border-color: var(--primary); box-shadow: 0 8px 24px rgba(99,102,241,0.15); transform: translateY(-4px); }
.plan .name { font-weight: 700; font-size: 14px; color: var(--primary); letter-spacing: 0.04em; text-transform: uppercase; }
.plan .price { font-size: 32px; font-weight: 800; margin: 12px 0; }
.plan .price .unit { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.plan ul { list-style: none; padding: 0; margin: 16px 0 0; }
.plan li { padding: 6px 0; color: var(--text-muted); font-size: 14px; }

.faq details { border-bottom: 1px solid var(--border); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq details[open] summary { color: var(--primary); }
.faq p { margin: 12px 0 0; color: var(--text-muted); }

footer.site { background: #0F172A; color: #CBD5E1; padding: 48px 0 32px; }
footer.site a { color: #E2E8F0; }
footer.site .row { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; }
footer.site .links a { margin-right: 20px; font-size: 14px; }
footer.site .copy { font-size: 13px; color: #94A3B8; margin-top: 24px; }

.doc { padding: 64px 0; }
.doc h1 { font-size: 32px; margin: 0 0 8px; }
.doc .meta { color: var(--text-muted); font-size: 14px; margin-bottom: 32px; }
.doc h2 { font-size: 20px; margin: 32px 0 8px; }
.doc p, .doc li { color: var(--text); }
.doc table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.doc th, .doc td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }