*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0b0c10;
  --surface: #13151c;
  --border: #1e2130;
  --text: #e4e6f0;
  --muted: #7a7f99;
  --accent: #6c8fff;
}

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
.site-header {
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #0e1020 0%, var(--bg) 100%);
}

.header-inner {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.logo-mark {
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.2em;
}

.logo-text {
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  line-height: 1;
}

.logo-text em {
  font-style: normal;
  color: var(--accent);
}

.logo-sub {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  margin-top: 0.2rem;
}

/* ── Section label ── */
.section-label {
  display: block;
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--muted);
  text-transform: uppercase;
  margin: 3rem 0 1.5rem;
}

/* ── Cards ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(108, 143, 255, 0.12);
}

.card-img-wrap {
  position: relative;
  aspect-ratio: 460 / 215;
  overflow: hidden;
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}

.card:hover .card-img-wrap img {
  transform: scale(1.04);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(11,12,16,0.7) 100%);
}

.card-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(108, 143, 255, 0.85);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  text-transform: uppercase;
}

.card-body {
  padding: 1.1rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}

.card-cta {
  margin-top: auto;
  padding-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* ── Footer ── */
footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
}

.footer-nav {
  margin-bottom: 0.6rem;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  margin: 0 0.75rem;
  transition: color 0.15s;
}

.footer-nav a:hover { color: var(--text); }

.copyright {
  font-size: 0.75rem;
  color: #3a3d52;
}