/* demo/assets/style.css — デモサイト共通スタイル（生成デッキHTMLとは独立） */
:root {
  --d-primary: #0b3c5d;
  --d-primary-70: #527991;
  --d-accent: #d9a404;
  --d-ink: #1a1a1a;
  --d-gray-1: #f2f4f6;
  --d-gray-2: #d8dee4;
  --d-gray-4: #66717d;
  --d-bg: #ffffff;
  --d-paper: #f7f8fa;
  --d-radius: 6px;
  --d-max-w: 1080px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  color: var(--d-ink);
  background: var(--d-bg);
  line-height: 1.7;
}

a {
  color: var(--d-primary);
}

.d-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--d-gray-2);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
  z-index: 10;
}

.d-nav-brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--d-primary);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.d-nav-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
}

.d-nav-links a {
  color: var(--d-ink);
  text-decoration: none;
}

.d-nav-links a:hover {
  color: var(--d-primary);
}

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

.d-hero {
  padding: 72px 24px 48px;
  background: linear-gradient(180deg, var(--d-paper) 0%, #fff 100%);
  text-align: center;
}

.d-hero h1 {
  font-size: 40px;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--d-primary);
}

.d-hero p.d-lead {
  font-size: 17px;
  color: var(--d-gray-4);
  max-width: 640px;
  margin: 0 auto 32px;
}

.d-cta {
  display: inline-block;
  padding: 12px 28px;
  background: var(--d-primary);
  color: #fff;
  text-decoration: none;
  border-radius: var(--d-radius);
  font-weight: 700;
  margin: 0 8px;
}

.d-cta.d-cta-outline {
  background: transparent;
  color: var(--d-primary);
  border: 1px solid var(--d-primary);
}

.d-hero-frame {
  margin: 40px auto 0;
  max-width: 960px;
  aspect-ratio: 1280 / 720;
  border: 1px solid var(--d-gray-2);
  border-radius: var(--d-radius);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(11, 60, 93, 0.08);
  background: #fff;
}

.d-hero-frame iframe {
  width: 1280px;
  height: 720px;
  border: 0;
  transform-origin: top left;
}

.d-section {
  padding: 56px 24px;
}

.d-section h2 {
  font-size: 26px;
  color: var(--d-primary);
  margin-bottom: 8px;
}

.d-section p.d-section-lead {
  color: var(--d-gray-4);
  margin-top: 0;
  margin-bottom: 32px;
}

.d-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.d-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .d-grid-3,
  .d-grid-4 {
    grid-template-columns: 1fr;
  }
  .d-hero h1 {
    font-size: 28px;
  }
}

.d-card {
  border: 1px solid var(--d-gray-2);
  border-radius: var(--d-radius);
  padding: 24px;
  background: #fff;
}

.d-card h3 {
  margin-top: 0;
  color: var(--d-primary);
  font-size: 18px;
}

.d-card .d-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--d-accent);
  display: block;
  margin-bottom: 12px;
}

.d-pack-card {
  border: 1px solid var(--d-gray-2);
  border-radius: var(--d-radius);
  padding: 20px;
  background: var(--d-paper);
}

.d-pack-card h3 {
  margin: 0 0 8px;
  color: var(--d-primary);
}

.d-pack-card ul {
  padding-left: 18px;
  margin: 0;
  font-size: 14px;
  color: var(--d-ink);
}

.d-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  margin-right: 6px;
  vertical-align: middle;
}

.d-footer {
  border-top: 1px solid var(--d-gray-2);
  padding: 32px 24px;
  text-align: center;
  color: var(--d-gray-4);
  font-size: 13px;
}

/* gallery */
.d-gallery-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.d-tab {
  padding: 8px 16px;
  border: 1px solid var(--d-gray-2);
  background: #fff;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
}

.d-tab.active {
  background: var(--d-primary);
  color: #fff;
  border-color: var(--d-primary);
}

.d-gallery-frame-wrap {
  max-width: 960px;
  margin: 0 auto;
  aspect-ratio: 1280/720;
  border: 1px solid var(--d-gray-2);
  border-radius: var(--d-radius);
  overflow: hidden;
}

.d-gallery-frame-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* playground */
.d-pg-toolbar {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  padding: 12px 24px;
  border-bottom: 1px solid var(--d-gray-2);
  background: var(--d-paper);
}

.d-pg-toolbar label {
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.d-pg-body {
  display: flex;
  height: calc(100vh - 64px - 56px);
}

.d-pg-editor,
.d-pg-preview {
  flex: 1;
  min-width: 0;
}

.d-pg-editor textarea {
  width: 100%;
  height: 100%;
  border: 0;
  border-right: 1px solid var(--d-gray-2);
  resize: none;
  font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
  font-size: 13px;
  padding: 16px;
  outline: none;
}

.d-pg-preview iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.d-pg-warnings {
  font-size: 12px;
  color: #b02a2a;
  padding: 8px 24px;
  white-space: pre-wrap;
}

/* docs */
.d-docs-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.d-docs-toc {
  width: 220px;
  flex-shrink: 0;
  position: sticky;
  top: 80px;
  font-size: 14px;
}

.d-docs-toc a {
  display: block;
  padding: 4px 0;
  color: var(--d-ink);
  text-decoration: none;
}

.d-docs-toc a:hover {
  color: var(--d-primary);
}

.d-docs-content {
  flex: 1;
  min-width: 0;
}

.d-layout-catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.d-layout-thumb {
  border: 1px solid var(--d-gray-2);
  border-radius: var(--d-radius);
  overflow: hidden;
  background: #fff;
}

.d-layout-thumb-frame {
  width: 100%;
  aspect-ratio: 1280/720;
  overflow: hidden;
  position: relative;
  background: var(--d-gray-1);
}

.d-layout-thumb-frame iframe {
  width: 1280px;
  height: 720px;
  border: 0;
  transform: scale(0.171875);
  transform-origin: top left;
}

.d-layout-thumb-label {
  padding: 8px 12px;
  font-size: 13px;
  border-top: 1px solid var(--d-gray-2);
}

table.d-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-bottom: 32px;
}

table.d-table th,
table.d-table td {
  border: 1px solid var(--d-gray-2);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}

table.d-table th {
  background: var(--d-paper);
}

pre.d-code {
  background: var(--d-gray-1);
  padding: 16px;
  border-radius: var(--d-radius);
  overflow-x: auto;
  font-size: 13px;
}