:root {
  color-scheme: light dark;
  --canvas: #f7f0e7;
  --surface: rgba(255, 253, 249, 0.84);
  --ink: #2b2520;
  --muted: #73695e;
  --accent: #a75232;
  --accent-soft: #f1d7bf;
  --rule: rgba(58, 44, 32, 0.14);
  --shadow: 0 18px 46px rgba(84, 51, 30, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #171411;
    --surface: rgba(35, 30, 26, 0.88);
    --ink: #fbf3e9;
    --muted: #c4b7a9;
    --accent: #ffad7d;
    --accent-soft: rgba(196, 99, 60, 0.28);
    --rule: rgba(255, 241, 225, 0.16);
    --shadow: 0 18px 46px rgba(0, 0, 0, 0.26);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 4% 0%, rgba(232, 173, 102, 0.26), transparent 31rem),
    radial-gradient(circle at 96% 6%, rgba(163, 176, 224, 0.22), transparent 28rem),
    var(--canvas);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.7;
}

a {
  color: var(--accent);
  font-weight: 650;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

a:hover { text-decoration-thickness: 0.13em; }

.shell {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 72px;
}

.topbar,
.page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.topbar { margin-bottom: 24px; }

.brand {
  color: var(--ink);
  font-size: 15px;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  font-size: 14px;
}

.hero,
.language-block,
.notice {
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
}

.hero {
  padding: clamp(28px, 6vw, 54px);
  border-radius: 30px;
  background: var(--surface);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 760;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1, h2, h3 { color: var(--ink); line-height: 1.2; }

h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(40px, 8vw, 68px);
  letter-spacing: -0.045em;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 4vw, 32px);
  letter-spacing: -0.025em;
}

h3 {
  margin: 28px 0 10px;
  font-size: 19px;
}

p { margin: 0 0 14px; }

.lede {
  max-width: 42rem;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.meta {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.content { margin-top: 24px; }

.language-block {
  padding: clamp(26px, 5vw, 44px);
  border-radius: 26px;
  background: var(--surface);
}

.language-block + .language-block { margin-top: 20px; }

.language-label {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 720;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

ul { margin: 0 0 14px; padding-left: 1.3em; }
li + li { margin-top: 8px; }

.notice {
  margin-top: 22px;
  padding: 18px 20px;
  border-radius: 18px;
  background: var(--accent-soft);
}

.notice p:last-child,
.language-block > :last-child { margin-bottom: 0; }

.contact-address {
  display: inline-block;
  margin: 2px 0 16px;
  font-size: clamp(22px, 4vw, 30px);
  letter-spacing: -0.02em;
}

.page-footer {
  margin-top: 26px;
  padding: 0 4px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 560px) {
  .shell { width: min(100% - 24px, 900px); padding-top: 22px; }
  .topbar, .page-footer { align-items: flex-start; flex-direction: column; }
  .nav { justify-content: flex-start; }
  .hero { border-radius: 24px; }
  .language-block { border-radius: 22px; }
}