:root {
  color-scheme: light;
  --bg: #f5f0e8;
  --bg-wash: #ebe4d8;
  --surface: #fffcf7;
  --surface-ink: #1c2a3a;
  --text: #1c2a3a;
  --muted: #5a6572;
  --indigo: #3d5a80;
  --indigo-deep: #293241;
  --gold: #c9a227;
  --gold-soft: #f0e6c8;
  --sakura: #e8b4b8;
  --border: rgba(28, 42, 58, 0.12);
  --shadow: 0 16px 48px rgba(41, 50, 65, 0.1);
  --radius: 8px;
  --font-display: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif", Georgia, serif;
  --font-body:
    "Hiragino Sans",
    "SF Pro Text",
    system-ui,
    -apple-system,
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, var(--bg-wash) 0%, var(--bg) 35%, #faf8f4 100%);
}

.backdrop__circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(61, 90, 128, 0.15);
}

.backdrop__circle--1 {
  width: min(420px, 90vw);
  height: min(420px, 90vw);
  top: -120px;
  right: -80px;
  background: radial-gradient(circle at 30% 30%, rgba(232, 180, 184, 0.35), transparent 65%);
}

.backdrop__circle--2 {
  width: 200px;
  height: 200px;
  bottom: 15%;
  left: -40px;
  background: rgba(201, 162, 39, 0.08);
}

.page {
  position: relative;
  z-index: 1;
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0 72px;
}

.hero {
  position: relative;
  margin-bottom: 36px;
  padding: 40px 36px 44px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  top: 20px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gold-soft);
  border: 1px solid rgba(201, 162, 39, 0.35);
}

.hero__row {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.brand-kanji {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--indigo-deep);
  background: linear-gradient(160deg, #fff 0%, var(--gold-soft) 100%);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: inset 0 0 0 3px var(--surface);
}

.hero__copy {
  flex: 1;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--indigo);
}

.brand-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--indigo-deep);
}

.brand-sub {
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

h1 {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--indigo);
}

.lead {
  margin-top: 12px;
  max-width: 54ch;
  font-size: 0.98rem;
  color: var(--muted);
}

.updated {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--indigo-deep);
  background: var(--gold-soft);
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.highlights li {
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 4px solid var(--indigo);
}

.highlights li:nth-child(2) {
  border-left-color: var(--gold);
}

.highlights li:nth-child(3) {
  border-left-color: var(--sakura);
}

.highlights strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--indigo-deep);
}

.highlights span {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.55;
}

.cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  padding: 24px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card:nth-child(even) {
  margin-left: 24px;
  background: linear-gradient(90deg, var(--surface) 0%, rgba(235, 228, 216, 0.5) 100%);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--indigo);
}

.card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.card p + p {
  margin-top: 11px;
}

a {
  color: var(--indigo);
  font-weight: 600;
}

a:hover {
  color: var(--gold);
}

.footer {
  margin-top: 40px;
  padding: 20px 0;
  text-align: center;
  font-size: 0.84rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.footer strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  color: var(--indigo-deep);
}

@media (max-width: 700px) {
  .highlights {
    grid-template-columns: 1fr;
  }

  .card:nth-child(even) {
    margin-left: 0;
  }

  .hero__row {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .lead {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .page {
    padding: 28px 0 52px;
  }

  .hero {
    padding: 28px 22px 32px;
  }
}