:root {
  --bg: #faf7ff;
  --bg-elevated: #ffffff;
  --text: #2d2a3d;
  --text-muted: #7a7690;
  --border: #ece6f7;
  --accent: #b5a8f0;
  --accent-2: #f5b8d0;
  --accent-3: #a8e6cf;
  --accent-4: #ffe0a8;
  --shadow-tint: rgba(181, 168, 240, 0.25);
  --max-width: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1e1b2e;
    --bg-elevated: #272341;
    --text: #ece9f7;
    --text-muted: #a49dc2;
    --border: #38315a;
    --accent: #c9bdff;
    --accent-2: #ffb8d9;
    --accent-3: #a8f0d1;
    --accent-4: #ffd699;
    --shadow-tint: rgba(201, 189, 255, 0.18);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a { color: var(--text); text-decoration: none; border-bottom: 2px solid var(--accent); }
a:hover { color: var(--accent); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}

.logo {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 56px 0 28px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: inline-block;
}

main section {
  margin-bottom: 72px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.work-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.work-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px var(--shadow-tint);
  border-color: var(--accent);
}

.work-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--border);
}

.work-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.work-card-body h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 800;
}

.work-card-body p {
  margin: 0 0 14px;
  color: var(--text-muted);
  font-size: 0.95rem;
  flex: 1;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--text);
}

.tag:nth-child(4n+1) { background: color-mix(in srgb, var(--accent) 35%, var(--bg-elevated)); }
.tag:nth-child(4n+2) { background: color-mix(in srgb, var(--accent-2) 35%, var(--bg-elevated)); }
.tag:nth-child(4n+3) { background: color-mix(in srgb, var(--accent-3) 40%, var(--bg-elevated)); }
.tag:nth-child(4n+4) { background: color-mix(in srgb, var(--accent-4) 40%, var(--bg-elevated)); }

.work-card[data-href] {
  cursor: pointer;
}

.work-card[data-href]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.work-links a {
  font-size: 0.9rem;
  font-weight: 700;
  border-bottom: 2px solid var(--accent-2);
}

.work-links a + a {
  margin-left: 16px;
}


.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
}