:root {
  --bg: #ffffff;
  --surface: #f0f0f2;
  --surface-soft: #f7f7f8;
  --text: #111114;
  --text-secondary: #666670;
  --divider: #e6e6ea;
  --liquid: #1b2040;
  --green: #2e9e6b;
  --red: #b4291e;
  --radius: 18px;
  --maxw: 760px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

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

/* Header */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; max-width: var(--maxw); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; text-decoration: none; }
.brand .cup { width: 22px; height: 26px; }
.nav a { margin-left: 20px; text-decoration: none; color: var(--text-secondary); font-size: 14px; }
.nav a:hover { color: var(--text); }

/* Hero */
.hero { text-align: center; padding: 56px 24px 64px; }
.hero .cup-lg { width: 110px; height: 132px; margin: 0 auto 28px; }
.hero h1 { font-size: 34px; font-weight: 800; letter-spacing: .02em; line-height: 1.35; }
.hero .tagline { color: var(--text-secondary); font-size: 16px; margin-top: 10px; }
.hero .lead { max-width: 540px; margin: 22px auto 0; color: var(--text); font-size: 16px; }

.cta {
  display: inline-block; margin-top: 28px; padding: 14px 28px;
  background: var(--text); color: #fff; text-decoration: none;
  border-radius: 14px; font-weight: 700; font-size: 16px;
}
.cta:hover { opacity: .88; }
.cta-note { display:block; margin-top: 10px; color: var(--text-secondary); font-size: 12px; }

/* Sections */
section { padding: 40px 0; }
h2 { font-size: 22px; font-weight: 700; margin-bottom: 20px; }
h3 { font-size: 16px; font-weight: 700; margin: 22px 0 6px; }
p { color: var(--text); }
.muted { color: var(--text-secondary); }

.features { display: grid; gap: 14px; }
.feature {
  background: var(--surface-soft); border: 1px solid var(--divider);
  border-radius: var(--radius); padding: 18px 20px;
}
.feature .t { font-weight: 700; font-size: 16px; }
.feature .d { color: var(--text-secondary); font-size: 14px; margin-top: 4px; }

.legal h2 { margin-top: 8px; }
.legal .updated { color: var(--text-secondary); font-size: 13px; margin-bottom: 24px; }
.legal h3 { font-size: 15px; }
.legal p { color: var(--text-secondary); font-size: 15px; }

.faq .q { font-weight: 700; margin-top: 22px; }
.faq .a { color: var(--text-secondary); margin-top: 4px; }

.contact-box {
  background: var(--surface-soft); border: 1px solid var(--divider);
  border-radius: var(--radius); padding: 20px; margin-top: 16px;
}

/* Footer */
footer { border-top: 1px solid var(--divider); margin-top: 40px; padding: 28px 24px 56px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
footer a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
footer a:hover { color: var(--text); }
footer .copy { color: var(--text-secondary); font-size: 13px; }
footer nav a { margin-right: 18px; }

@media (max-width: 520px) {
  .hero h1 { font-size: 28px; }
  .nav a { margin-left: 14px; }
}