:root {
  --bg: #f4efe5;
  --paper: rgba(255, 250, 241, 0.85);
  --ink: #1f2a21;
  --muted: #5f6c62;
  --accent: #0f766e;
  --accent-soft: #d7efe7;
  --line: rgba(31, 42, 33, 0.1);
  --shadow: 0 18px 60px rgba(28, 36, 31, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 30%),
    linear-gradient(180deg, #f7f1e7 0%, #efe5d1 100%);
  font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
}

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

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 72px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
}

.toolbar__eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
}

.toolbar__brand h1 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
}

.toolbar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.toolbar__actions a,
.toolbar__actions span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255,255,255,0.7), rgba(255,248,235,0.92));
  box-shadow: var(--shadow);
}

.hero__visual img,
.photo-card img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.hero__visual img {
  min-height: 320px;
  border-radius: 24px;
  border: 1px solid rgba(31, 42, 33, 0.08);
}

.hero__eyebrow,
.hero__stamp,
.metric__label,
.metric__note,
.card__meta,
.setup-card__label {
  color: var(--muted);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  background: rgba(215, 239, 231, 0.65);
  text-decoration: none;
  font-weight: 700;
}

.hero h2,
.panel h2,
.card h3,
.metric__value {
  margin: 0;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
}

.hero h2 {
  margin-top: 10px;
  font-size: clamp(1.8rem, 5vw, 3.4rem);
  line-height: 1.05;
}

.hero__copy {
  max-width: 52rem;
  font-size: 1.05rem;
}

.metrics,
.cards,
.photo-strip,
.setup-grid {
  display: grid;
  gap: 16px;
}

.metrics {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin: 22px 0;
}

.metric,
.panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.metric {
  padding: 18px;
}

.metric__value {
  font-size: 2rem;
}

.panel {
  padding: 22px;
  margin-top: 18px;
}

.panel__header {
  margin-bottom: 16px;
}

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

.photo-strip {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

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

.setup-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(31, 42, 33, 0.08);
}

.setup-card code {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  background: #f2f5f2;
  overflow-wrap: anywhere;
}

.photo-card {
  margin: 0;
  overflow: hidden;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(31, 42, 33, 0.08);
}

.photo-card figcaption {
  padding: 12px 14px 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

.card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(31, 42, 33, 0.08);
}

.steps {
  display: grid;
  gap: 12px;
  padding-left: 0;
  list-style: none;
  margin: 0;
}

.steps li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.steps span {
  width: 32px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.empty {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 640px) {
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(100% - 20px, 1120px);
    padding-top: 20px;
  }

  .hero,
  .panel,
  .metric,
  .card {
    border-radius: 20px;
  }
}