:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #1a1f2b;
  --sub: #5b6470;
  --line: #e6e9ee;
  --accent: #ff6b6b;
  --accent-soft: #fff0f0;
  --accent-2: #4da3ff;
  --accent-2-soft: #eef6ff;
  --tag: #eef2f7;
  --tag-ink: #4a5363;
  --warn: #b3001b;
  --warn-soft: #fff5f5;
  --ok: #137a3d;
  --ok-soft: #effaf2;
  --gold: #d4a056;
  --gold-soft: #f9f5ef;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}
.wrap.wide { max-width: 1080px; }

.crumb {
  font-size: 13px;
  color: var(--sub);
  margin-bottom: 18px;
}
.crumb a { color: var(--sub); }
.crumb a:hover { color: var(--ink); text-decoration: underline; }

header.hero {
  border-radius: 20px;
  padding: 36px 32px;
  margin-bottom: 32px;
}
header.hero.pink { background: linear-gradient(135deg, #ffe5e5 0%, #ffd6c1 100%); }
header.hero.pink .label { color: #b34a4a; }
header.hero.blue { background: linear-gradient(135deg, #dbeafe 0%, #c7e2ff 100%); }
header.hero.blue .label { color: #2563eb; }
header.hero.dark { background: linear-gradient(135deg, #1a1f2b 0%, #2d3445 100%); color: #fff; }
header.hero.dark .label { color: #ffb38a; }
header.hero.dark .meta { color: rgba(255,255,255,0.7); }
header.hero.dark .meta strong { color: #fff; }
header.hero .label {
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 700;
  margin-bottom: 8px;
}
header.hero h1 {
  font-size: 28px;
  margin: 0 0 12px;
  line-height: 1.4;
}
header.hero .meta {
  color: var(--sub);
  font-size: 14px;
}
header.hero .meta strong { color: var(--ink); margin-right: 16px; }

section.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 32px;
  margin-bottom: 20px;
}
section.card h2 {
  font-size: 18px;
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}
section.card h2 .num {
  font-size: 12px;
  background: var(--ink);
  color: #fff;
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 500;
  letter-spacing: 0.05em;
}
section.card h3 {
  font-size: 15px;
  margin: 24px 0 8px;
}

dl.kv { margin: 0; }
dl.kv > div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}
dl.kv > div:last-child { border-bottom: none; }
dl.kv dt {
  color: var(--sub);
  font-size: 14px;
  font-weight: 500;
}
dl.kv dd {
  margin: 0;
  font-size: 15px;
  white-space: pre-wrap;
  word-break: break-word;
}
dl.kv dd a { color: #2563eb; text-decoration: none; word-break: break-all; }
dl.kv dd a:hover { text-decoration: underline; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--tag);
  color: var(--tag-ink);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
}
.tag.accent { background: var(--accent-soft); color: var(--accent); }
.tag.blue { background: var(--accent-2-soft); color: var(--accent-2); }

.point {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: 14.5px;
  white-space: pre-wrap;
}
.point.blue {
  background: var(--accent-2-soft);
  border-left-color: var(--accent-2);
}
.point.blue .pt-label { color: var(--accent-2); }
.point .pt-label {
  display: inline-block;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
  font-size: 13px;
  letter-spacing: 0.05em;
}

.ng {
  background: var(--warn-soft);
  border-left: 4px solid var(--warn);
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: 14px;
  white-space: pre-wrap;
}
.ng .ng-label {
  display: inline-block;
  font-weight: 700;
  color: var(--warn);
  margin-bottom: 6px;
  font-size: 13px;
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
}
.stage {
  background: var(--gold-soft);
  padding: 16px;
  border-radius: 12px;
}
.stage .stage-num {
  font-size: 11px;
  background: var(--gold);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 6px;
}
.stage .stage-age { font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.stage .stage-desc { font-size: 13px; line-height: 1.6; color: var(--sub); }

.note {
  background: #f8fafc;
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 13px;
  color: var(--sub);
  line-height: 1.7;
  white-space: pre-wrap;
}
.agreement {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ok-soft);
  color: var(--ok);
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 16px;
}
.agreement::before {
  content: "✓";
  width: 22px; height: 22px;
  background: var(--ok); color: #fff;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px;
}

details.special {
  background: #fafbfc;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 20px;
}
details.special summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  color: var(--sub);
}
details.special[open] summary { margin-bottom: 12px; }
details.special .body {
  font-size: 13px;
  line-height: 1.8;
  color: var(--sub);
  white-space: pre-wrap;
}

footer {
  text-align: center;
  color: var(--sub);
  font-size: 12px;
  padding: 32px 0 0;
}

/* ============ Hub Cards ============ */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.hub-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  display: block;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.hub-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  border-color: var(--ink);
}
.hub-card .hc-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sub);
  font-weight: 700;
  margin-bottom: 8px;
}
.hub-card .hc-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.5;
}
.hub-card .hc-desc {
  font-size: 13px;
  color: var(--sub);
  line-height: 1.6;
  margin-bottom: 12px;
}
.hub-card .hc-cta {
  font-size: 12px;
  color: var(--ink);
  font-weight: 700;
}
.hub-card.pink { border-top: 4px solid #ff6b6b; }
.hub-card.blue { border-top: 4px solid #4da3ff; }
.hub-card.pink .hc-label { color: #b34a4a; }
.hub-card.blue .hc-label { color: #2563eb; }

/* ============ Storyboard Timeline ============ */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.scene {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  position: relative;
}
.scene .scene-time {
  font-family: "Space Mono", monospace;
  font-size: 13px;
  color: var(--ink);
  font-weight: 700;
  background: var(--gold-soft);
  padding: 8px 10px;
  border-radius: 8px;
  height: fit-content;
  text-align: center;
}
.scene .scene-body { }
.scene .scene-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.scene .scene-aim {
  font-size: 13px;
  color: var(--sub);
  margin-bottom: 14px;
}
.scene .scene-grid {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 8px 12px;
  font-size: 13px;
}
.scene .scene-grid dt {
  color: var(--sub);
  font-weight: 500;
}
.scene .scene-grid dd {
  margin: 0;
  line-height: 1.7;
  white-space: pre-wrap;
}
.scene .scene-grid dd.warn {
  color: var(--warn);
  font-size: 12px;
}

.principle-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.principle-list li {
  background: var(--gold-soft);
  border-left: 4px solid var(--gold);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.6;
}

table.ng-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.ng-table th, table.ng-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.ng-table th {
  background: var(--warn-soft);
  color: var(--warn);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.05em;
  width: 110px;
}

ul.adjust-list {
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
ul.adjust-list li {
  background: #f8fafc;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.6;
  padding-left: 40px;
  position: relative;
}
ul.adjust-list li::before {
  content: "▸";
  position: absolute;
  left: 16px;
  top: 12px;
  color: var(--accent);
  font-weight: 700;
}

@media (max-width: 640px) {
  .wrap { padding: 24px 16px 64px; }
  header.hero { padding: 24px 20px; }
  header.hero h1 { font-size: 22px; }
  section.card { padding: 20px; }
  dl.kv > div { grid-template-columns: 1fr; gap: 4px; }
  .stage-grid { grid-template-columns: 1fr; }
  .hub-grid { grid-template-columns: 1fr; }
  .scene { grid-template-columns: 1fr; gap: 12px; padding: 16px; }
  .scene .scene-grid { grid-template-columns: 1fr; gap: 4px 0; }
  .scene .scene-grid dt { margin-top: 8px; font-size: 12px; }
  .principle-list { grid-template-columns: 1fr; }
}