:root {
  color-scheme: light;
  --bg: #f7f1e7;
  --bg-accent: #efe2cb;
  --surface: rgba(255, 252, 247, 0.82);
  --surface-strong: #fffaf2;
  --border: rgba(113, 79, 36, 0.14);
  --text: #2f2418;
  --muted: #6f5b48;
  --accent: #ba6a2c;
  --accent-strong: #8a4c1f;
  --shadow: 0 18px 50px rgba(84, 57, 24, 0.08);
  --max-width: 960px;
  --radius-xl: 28px;
  --radius-lg: 22px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(255, 248, 235, 0.95), transparent 32%),
    linear-gradient(180deg, #fbf6ee 0%, var(--bg) 45%, #f2e7d6 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.75;
}

a {
  color: var(--accent-strong);
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 40px 0 72px;
}

.hero,
.subhero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(255, 253, 249, 0.92), rgba(245, 231, 207, 0.84)),
    var(--surface);
  box-shadow: var(--shadow);
  padding: 32px 28px;
}

.hero {
  padding-top: 26px;
}

.hero::after,
.subhero::after {
  content: "";
  position: absolute;
  inset: auto -20% -55% auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(218, 152, 89, 0.22), rgba(218, 152, 89, 0));
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow a {
  color: inherit;
  text-decoration: none;
}

.hero-logo,
.wordmark-logo {
  display: block;
  height: auto;
}

.hero-logo {
  width: min(100%, 780px);
  margin: 8px 0 20px;
}

.hero-logo-with-buddy {
  filter: drop-shadow(0 12px 18px rgba(118, 82, 40, 0.08));
}

.wordmark-link {
  display: inline-block;
  margin-bottom: 12px;
}

.wordmark-logo {
  width: min(100%, 360px);
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.lead,
.meta {
  position: relative;
  z-index: 1;
}

.lead {
  max-width: 42rem;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.meta {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid rgba(138, 76, 31, 0.18);
  border-radius: 999px;
  background: rgba(255, 250, 242, 0.72);
  color: var(--accent-strong);
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, #ca7a35, #a55824);
  color: #fff9f2;
}

.content-grid,
.stack {
  margin-top: 24px;
}

.content-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.stack {
  display: grid;
  gap: 18px;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  padding: 24px 22px;
}

.brand-card {
  background:
    linear-gradient(135deg, rgba(255, 247, 235, 0.98), rgba(247, 234, 213, 0.92)),
    var(--surface-strong);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.prose h2 {
  margin-top: 32px;
  font-size: 1.35rem;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 26px;
  font-size: 1.05rem;
}

ul {
  margin: 0;
  padding-left: 1.2rem;
}

p,
li {
  color: var(--text);
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding: 18px 0 48px;
  }

  .hero,
  .subhero,
  .card {
    padding: 20px 18px;
  }

  .hero-logo {
    margin: 4px 0 18px;
  }

  .wordmark-link {
    margin-bottom: 10px;
  }

  .hero-links {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}