:root {
  --ink: #31577d;
  --muted: #687b8e;
  --line: #e8edf1;
  --white: #ffffff;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--white);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.site-header {
  position: relative;
  z-index: 5;
  height: 78px;
  padding: 0 clamp(22px, 5vw, 68px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .24em;
}
.menu-toggle {
  width: 34px;
  height: 34px;
  padding: 8px 5px;
  border: 0;
  background: transparent;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.menu-toggle span { display: block; width: 23px; height: 1px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-6px) rotate(-45deg); }
.site-menu {
  position: absolute;
  top: 65px;
  right: clamp(22px, 5vw, 68px);
  min-width: 155px;
  padding: 12px 0;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px rgba(27, 52, 75, .08);
  display: none;
}
.site-menu.is-open { display: flex; flex-direction: column; }
.site-menu a { padding: 11px 20px; color: var(--ink); text-decoration: none; font-size: 13px; letter-spacing: .06em; }
.site-menu a:hover, .site-menu a[aria-current="page"] { background: #f7f9fb; }
.home-main { flex: 1; display: flex; align-items: center; justify-content: center; padding: 34px clamp(18px, 5vw, 72px) 48px; }
.hero-logo { display: block; width: min(100%, 1450px); height: auto; }
.site-footer { padding: 18px 20px 22px; border-top: 1px solid var(--line); text-align: center; }
.social-links { display: flex; align-items: center; justify-content: center; gap: 19px; }
.social-links a { display: inline-flex; width: 18px; height: 18px; color: var(--muted); opacity: .85; }
.social-links a:hover { opacity: 1; color: var(--ink); }
.social-links svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.social-links svg .solid { fill: currentColor; stroke: none; }
.copyright { margin: 12px 0 0; color: #8794a0; font-size: 10px; letter-spacing: .035em; }
.about-main { flex: 1; width: 100%; display: flex; justify-content: center; padding: 42px 24px 70px; }
.about-content { width: min(100%, 760px); }
.about-logo { display: block; width: min(100%, 620px); height: auto; margin: 0 auto 56px; }
.about-content h1 { margin: 0 0 20px; color: var(--ink); font-size: clamp(27px, 4vw, 38px); font-weight: 400; letter-spacing: .035em; }
.about-description { max-width: 650px; margin: 0; color: #526b82; font-size: clamp(17px, 2vw, 20px); line-height: 1.8; font-weight: 300; }
.about-detail { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); }
.about-detail h2 { margin: 0 0 10px; color: var(--ink); font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.about-detail p { margin: 0; color: #526b82; font-size: 15px; }
@media (min-width: 900px) { .home-main { padding-top: 20px; padding-bottom: 34px; } }
@media (max-width: 520px) {
  .site-header { height: 66px; }
  .wordmark { font-size: 11px; letter-spacing: .19em; }
  .home-main { padding: 20px 14px 38px; }
  .about-main { padding-top: 28px; }
  .about-logo { margin-bottom: 42px; }
  .site-footer { padding-bottom: 18px; }
}

.footer-meta { display: flex; flex-direction: column; align-items: center; }
.privacy-link { margin-top: 10px; color: #687b8e; font-size: 10px; letter-spacing: .035em; text-decoration: none; }
.privacy-link:hover { color: var(--ink); text-decoration: underline; }
.policy-main { flex: 1; width: 100%; display: flex; justify-content: center; padding: 64px 24px 80px; }
.policy-content { width: min(100%, 760px); }
.policy-content h1 { margin: 0 0 28px; color: var(--ink); font-size: clamp(27px, 4vw, 38px); font-weight: 400; letter-spacing: .035em; }
.policy-content p { margin: 0 0 20px; color: #526b82; font-size: 16px; line-height: 1.85; font-weight: 300; }
.policy-content .policy-updated { margin-top: 34px; color: #8794a0; font-size: 12px; }
@media (max-width: 520px) { .policy-main { padding: 38px 22px 58px; } }

.about-main { flex: 1; width: 100%; display: flex; justify-content: center; padding: 64px 24px 80px; }
.about-content { width: min(100%, 780px); }
.about-content h1 { margin: 0 0 30px; color: var(--ink); font-size: clamp(28px, 4vw, 40px); font-weight: 400; letter-spacing: .035em; }
.about-content p { margin: 0 0 19px; color: #526b82; font-size: 16px; line-height: 1.85; font-weight: 300; }
.about-section { margin-top: 42px; }
.about-section h2 { margin: 0 0 14px; color: var(--ink); font-size: 19px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; }
.about-content .about-signoff { margin-top: 44px; color: var(--ink); font-size: 15px; letter-spacing: .025em; }
@media (max-width: 520px) { .about-main { padding: 38px 22px 58px; } }
