:root {
  --ink: #1c1917;
  --muted: #57534e;
  --paper: #f4efe6;
  --card: #fffcf7;
  --line: #e7e0d4;
  --accent: #4f46e5;
  --rose: #9f1239;
  --rose-bg: #fff1f2;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Source Sans 3", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
}
a { color: var(--accent); text-decoration: none; }
header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(244, 239, 230, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  gap: 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}
.brand img { height: 34px; }
.mark {
  display: none;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: var(--accent);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-family: Fraunces, serif;
}
#nav-toggle { display: none; }
.burger {
  display: flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--ink);
}
nav {
  display: none;
  flex-direction: column;
  padding: 8px 20px 16px;
  gap: 4px;
  border-top: 1px solid var(--line);
}
nav a {
  display: block;
  padding: 12px 4px;
  color: var(--muted);
  font-size: 1.05rem;
}
nav a.on,
nav a:hover { color: var(--ink); font-weight: 600; }
#nav-toggle:checked ~ nav { display: flex; }
@media (min-width: 820px) {
  .burger { display: none; }
  nav {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 22px;
    padding: 0;
    border: 0;
  }
  nav a { padding: 0; font-size: 0.95rem; }
  header .wrap {
    max-width: 880px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .bar { flex: 1; }
}
.hero { padding: 40px 0 8px; }
h1 {
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(2rem, 6vw, 2.8rem);
  line-height: 1.12;
  margin: 0 0 12px;
  letter-spacing: -0.03em;
}
.lead,
.meta,
p,
li { color: var(--muted); line-height: 1.65; }
h2 {
  font-family: Fraunces, serif;
  font-size: 1.35rem;
  margin: 32px 0 8px;
}
h2 + p { margin-top: 0; margin-bottom: 14px; }
.item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  margin: 0 0 10px;
}
.item strong { display: block; color: var(--ink); margin-bottom: 4px; }
.item.ok { background: #ecfdf3; border-color: #bbf7d0; }
.warn {
  background: var(--rose-bg);
  border-left: 4px solid var(--rose);
  border-radius: 0 14px 14px 0;
  padding: 16px 18px;
  margin: 24px 0;
}
.warn strong { color: var(--rose); }
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  margin: 12px 0;
}
ul, ol { margin: 8px 0 0; padding-left: 1.2rem; }
form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  margin: 22px 0 12px;
}
label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin: 14px 0 6px;
}
input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  background: #fff;
}
textarea { min-height: 150px; resize: vertical; }
button {
  margin-top: 18px;
  border: 0;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 13px 22px;
  border-radius: 999px;
  cursor: pointer;
  width: 100%;
}
@media (min-width: 520px) {
  button { width: auto; }
}
.ok-msg {
  background: #ecfdf3;
  border: 1px solid #bbf7d0;
  color: #166534;
  border-radius: 14px;
  padding: 12px 16px;
}
.err-msg {
  background: #fff1f2;
  border: 1px solid #fecdd3;
  color: #9f1239;
  border-radius: 14px;
  padding: 12px 16px;
}
footer {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding: 24px 0 36px;
  color: var(--muted);
  font-size: 0.85rem;
}
.store {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.store img {
  height: 48px;
  width: auto;
  display: block;
}