/* ============================================
   AIの実践活用術 — 経営者が知るべき"設計思考"
   ライトテーマ / 37枚スライド
   ============================================ */

:root {
  --bg: #F5F8FC;
  --card: #FFFFFF;
  --ink: #1B2B4B;
  --navy: #20417F;
  --navy-deep: #003067;
  --blue: #0677C8;
  --blue-dark: #045A9C;
  --blue-soft: #E9F2FA;
  --blue-line: #C9DDF0;
  --orange: #E8590C;
  --orange-soft: #FDEFE4;
  --yellow: #FCF69E;
  --green: #0E9F6E;
  --green-soft: #E4F5EE;
  --red: #D64545;
  --red-soft: #FBECEC;
  --amber: #B45309;
  --amber-soft: #FEF3E2;
  --purple: #6D4FC4;
  --purple-soft: #F0EBFB;
  --muted: #5D6B84;
  --faint: #8B97AC;
  --line: #DFE7F1;
  --shadow: 0 10px 30px rgba(32, 65, 127, 0.08), 0 2px 8px rgba(32, 65, 127, 0.05);
  --shadow-sm: 0 1px 4px rgba(32, 65, 127, 0.08);
  --font: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
  --mono: 'Consolas', 'Courier New', monospace;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  overflow: hidden;
  height: 100dvh;
  width: 100vw;
}

#three-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
}

/* --- プログレスバー --- */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  z-index: 10001;
  transition: width .4s ease;
  border-radius: 0 2px 2px 0;
}

/* --- フレームラベル --- */
.frame-label {
  position: fixed;
  z-index: 10000;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--faint);
  text-transform: uppercase;
  pointer-events: none;
}
.frame-label.tl { top: 16px; left: 24px; }
.frame-label.tr { top: 16px; right: 24px; }
.frame-label.bl { bottom: 14px; left: 24px; color: var(--blue); }
.frame-label.br { bottom: 14px; right: 24px; }

/* --- ナビ矢印 --- */
.nav-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10000;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.85);
  color: var(--navy);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all .2s;
  display: flex; align-items: center; justify-content: center;
  padding-bottom: 4px;
}
.nav-arrow:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.nav-prev { left: 14px; }
.nav-next { right: 14px; }

/* --- ナビドット --- */
.nav-bar {
  position: fixed;
  bottom: 34px; left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: flex;
  gap: 5px;
  background: rgba(255,255,255,.8);
  backdrop-filter: blur(6px);
  padding: 6px 10px;
  border-radius: 20px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  max-width: 86vw;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-bar::-webkit-scrollbar { display: none; }
.nav-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--blue-line);
  cursor: pointer;
  font-size: 0;
  flex-shrink: 0;
  transition: all .2s;
}
.nav-dot:hover { background: var(--blue); transform: scale(1.3); }
.nav-dot.active { background: var(--orange); width: 20px; border-radius: 4px; }

/* --- スクロールコンテナ --- */
.scroll-container {
  display: flex;
  height: 100dvh;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  position: relative;
  z-index: 1;
}
.scroll-container::-webkit-scrollbar { display: none; }

/* --- スライド共通 --- */
.slide {
  flex: 0 0 100vw;
  height: 100dvh;
  scroll-snap-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.slide-inner {
  width: min(92vw, 78vh * 16 / 9);
  aspect-ratio: 16 / 9;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 42px 54px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.slide-inner.bare {
  background: rgba(255,255,255,.55);
  border: none;
  box-shadow: none;
  backdrop-filter: blur(3px);
}
.slide-inner.center {
  align-items: center;
  text-align: center;
}

/* スライド番号は左下のフレームカウンターに集約（右下ラベルとの重なり回避） */
.slide-number { display: none; }

/* --- 見出し・テキスト --- */
.kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.slide-title {
  font-size: 27px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.3;
  padding-left: 18px;
  position: relative;
  margin-bottom: 6px;
}
.slide-title::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 6px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--blue), var(--navy));
}
.slide-title .q { color: var(--orange); }

.lead {
  font-size: 16px;
  color: var(--muted);
  padding-left: 18px;
  margin-bottom: 8px;
}

.hl-orange { color: var(--orange); }
.hl-blue { color: var(--blue); }
.hl-marker {
  background: linear-gradient(transparent 55%, var(--yellow) 55%);
  padding: 0 2px;
}

.takeaway {
  margin-top: auto;
  padding: 13px 18px;
  background: var(--blue-soft);
  border-left: 5px solid var(--blue);
  border-radius: 0 10px 10px 0;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 10px;
}
.takeaway.warm {
  background: var(--orange-soft);
  border-left-color: var(--orange);
  color: #9A3E08;
}
.takeaway .lucide-icon { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; }

.note {
  margin-top: 10px;
  font-size: 12px;
  color: var(--faint);
}

.callout {
  background: linear-gradient(135deg, var(--orange) 0%, #C74A08 100%);
  border-radius: 12px;
  padding: 16px 22px;
  color: #fff;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  box-shadow: 0 6px 18px rgba(232, 89, 12, .25);
}
.callout .lucide-icon { width: 22px; height: 22px; opacity: .75; flex-shrink: 0; margin-top: 2px; }

.warnbox {
  background: var(--red-soft);
  border-left: 4px solid var(--red);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
}
.warnbox-title {
  font-weight: 700;
  color: var(--red);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.infoband {
  background: linear-gradient(90deg, var(--blue), var(--blue-dark));
  border-radius: 10px;
  padding: 13px 20px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
}
.infoband .lucide-icon { width: 20px; height: 20px; flex-shrink: 0; }

/* --- グリッド --- */
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.g4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.g-45-55 { display: grid; grid-template-columns: 45fr 55fr; gap: 18px; }
.g-55-45 { display: grid; grid-template-columns: 55fr 45fr; gap: 18px; }
.g-60-40 { display: grid; grid-template-columns: 60fr 40fr; gap: 18px; }
.g-40-30-30 { display: grid; grid-template-columns: 40fr 30fr 30fr; gap: 16px; }

/* --- カード --- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.card.flat { box-shadow: none; }
.card.t-blue { border-top: 4px solid var(--blue); }
.card.t-green { border-top: 4px solid var(--green); }
.card.t-orange { border-top: 4px solid var(--orange); }
.card.t-purple { border-top: 4px solid var(--purple); }
.card.t-navy { border-top: 4px solid var(--navy); }

.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 17px;
  font-weight: 800;
  color: var(--navy);
}

.tile {
  background: var(--blue-soft);
  border-radius: 12px;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
.tile .lucide-icon { width: 30px; height: 30px; color: var(--blue); }
.tile-title { font-weight: 700; color: var(--navy); font-size: 15px; }
.tile-sub { font-size: 12.5px; color: var(--muted); }

.chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #FBFCFE;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
}
.chip .lucide-icon { width: 18px; height: 18px; color: var(--blue); flex-shrink: 0; }
.chip.warm .lucide-icon { color: var(--orange); }
.chip.warm { background: var(--orange-soft); border-color: #F5CDB0; color: #9A3E08; }

.icon-disc {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-disc .lucide-icon { width: 23px; height: 23px; color: #fff; }
.icon-disc.blue { background: var(--blue); }
.icon-disc.green { background: var(--green); }
.icon-disc.orange { background: var(--orange); }
.icon-disc.purple { background: var(--purple); }
.icon-disc.navy { background: var(--navy); }

/* --- バッジ --- */
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.badge-done { background: var(--green-soft); color: var(--green); }
.badge-wip { background: var(--blue-soft); color: var(--blue); }
.badge-next { background: #EEF1F6; color: var(--muted); }
.badge-wait { background: var(--amber-soft); color: var(--amber); }
.badge-required { background: var(--red-soft); color: var(--red); }
.badge-challenge { background: var(--orange-soft); color: var(--orange); }

/* --- 数値 --- */
.stat-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.stat.soft { background: var(--blue-soft); border-color: var(--blue-line); box-shadow: none; }
.stat-num {
  font-size: 30px;
  font-weight: 900;
  color: var(--navy);
  line-height: 1.1;
}
.stat-num.orange { color: var(--orange); }
.stat-num.green { color: var(--green); }
.stat-label { font-size: 12px; color: var(--muted); font-weight: 600; margin-top: 4px; }

.bignum {
  background: linear-gradient(135deg, var(--red) 0%, #B03030 100%);
  border-radius: 14px;
  padding: 18px 28px;
  color: #fff;
  text-align: center;
  flex-shrink: 0;
  box-shadow: 0 6px 18px rgba(214, 69, 69, .25);
}
.bignum .n { font-size: 38px; font-weight: 900; line-height: 1; }
.bignum .l { font-size: 13px; opacity: .85; margin-top: 5px; }
.bignum.blue { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%); box-shadow: 0 6px 18px rgba(6, 119, 200, .25); }

/* --- テーブル --- */
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; border-radius: 12px; overflow: hidden; }
.table-wrap { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.table thead tr { background: var(--navy); color: #fff; }
.table th { padding: 10px 14px; text-align: left; font-weight: 700; font-size: 12.5px; }
.table td { padding: 12px 14px; color: var(--ink); border-bottom: 1px solid var(--line); }
.table tbody tr:nth-child(even) { background: #F8FAFD; }
.table tbody tr:last-child td { border-bottom: none; }
.table .cat { font-weight: 700; color: var(--blue); white-space: nowrap; }
.table .trigger { font-family: var(--mono); font-size: 12px; color: var(--navy); background: var(--blue-soft); border-radius: 6px; padding: 3px 8px; white-space: nowrap; }

/* --- モックウィンドウ (コードエディタ風・ダークのまま) --- */
.mock-window {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(15, 30, 60, .18);
}
.mock-window-bar {
  background: #2D3748;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mock-dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.mock-dot.r { background: #FF5F57; }
.mock-dot.y { background: #FEBC2E; }
.mock-dot.g { background: #28C840; }
.mock-window-title { color: #A0AEC0; font-family: var(--mono); font-size: 12px; margin-left: 8px; }
.mock-window-body {
  background: #1A202C;
  padding: 16px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: #E2E8F0;
}
.mock-window-body .c-green { color: #68D391; }
.mock-window-body .c-blue { color: #90CDF4; }
.mock-window-body .c-gray { color: #718096; }
.mock-window-body .c-text { color: #CBD5E0; }
.mock-window-body .c-yellow { color: #F6E05E; }

/* --- モックアプリ (ライトUI) --- */
.mock-app {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  background: var(--card);
  display: flex;
  flex-direction: column;
}
.mock-app-header {
  background: var(--navy);
  padding: 10px 16px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 13px;
}
.mock-app-header .lucide-icon { width: 15px; height: 15px; }
.mock-app-body { background: #F8FAFD; padding: 14px; }
.mock-app-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
}

/* --- チャット --- */
.chat {
  border-radius: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  background: #F8FAFD;
}
.chat.good { background: var(--green-soft); border-color: #BCE5D4; }
.chat-msg { display: flex; gap: 8px; margin-bottom: 10px; align-items: flex-start; }
.chat-msg.ai { flex-direction: row-reverse; }
.chat-msg:last-child { margin-bottom: 0; }
.chat-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.chat-avatar .lucide-icon { width: 14px; height: 14px; color: #fff; }
.chat-avatar.user { background: var(--blue); }
.chat-avatar.bot { background: var(--faint); }
.chat-bubble {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12.5px;
  color: var(--ink);
  max-width: 82%;
  line-height: 1.5;
}
.chat-bubble.bad { background: var(--red-soft); border-color: #F1C6C6; }
.chat-label { font-size: 11px; color: var(--faint); margin-bottom: 6px; font-weight: 600; }

/* --- 吹き出し --- */
.speech {
  background: var(--blue-soft);
  border: 1px solid var(--blue-line);
  color: var(--navy);
  border-radius: 16px 16px 16px 4px;
  padding: 15px 18px;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.6;
}
.speech-by {
  font-size: 11px;
  color: var(--faint);
  margin-top: 6px;
  margin-left: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --- タイムライン (横7ステップ) --- */
.tl-row { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; position: relative; }
.tl-row::before {
  content: '';
  position: absolute;
  top: 22px;
  left: calc(100% / 14);
  right: calc(100% / 14);
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--blue), var(--orange));
  z-index: 0;
}
.tl-item { display: flex; flex-direction: column; align-items: center; gap: 8px; position: relative; z-index: 1; }
.tl-step {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  background: var(--blue);
  border: 3px solid #fff;
  box-shadow: var(--shadow-sm);
}
.tl-step.late { background: var(--orange); }
.tl-name { font-weight: 700; color: var(--ink); font-size: 12px; text-align: center; }
.tl-time {
  font-size: 11px;
  font-weight: 700;
  color: var(--amber);
  background: var(--amber-soft);
  padding: 2px 8px;
  border-radius: 4px;
}
.tl-time.bad { color: var(--red); background: var(--red-soft); }

/* --- パイプライン --- */
.pipe-row { display: flex; align-items: center; justify-content: center; gap: 4px; }
.pipe-node {
  background: var(--blue-soft);
  border: 1px solid var(--blue-line);
  border-radius: 10px;
  padding: 11px 15px;
  text-align: center;
  min-width: 104px;
}
.pipe-node .s { font-size: 10.5px; color: var(--faint); font-weight: 700; margin-bottom: 2px; }
.pipe-node .t { font-weight: 700; font-size: 13px; color: var(--navy); }
.pipe-node .d { font-size: 10px; color: var(--muted); margin-top: 2px; }
.pipe-link { width: 22px; height: 3px; background: var(--blue); border-radius: 2px; flex-shrink: 0; }
.pipe-star {
  background: linear-gradient(135deg, var(--orange), #C74A08);
  color: #fff;
  border-radius: 14px;
  padding: 15px 30px;
  text-align: center;
  position: relative;
  box-shadow: 0 8px 22px rgba(232, 89, 12, .3);
}
.pipe-star .tag {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: #fff;
  color: var(--orange);
  font-size: 11px;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: 20px;
  white-space: nowrap;
  border: 2px solid var(--orange);
}
.pipe-star .s { font-size: 11px; opacity: .85; }
.pipe-star .t { font-weight: 800; font-size: 18px; }
.pipe-star .d { font-size: 11px; opacity: .85; margin-top: 3px; }

/* --- ステップカード (縦) --- */
.steps { display: flex; flex-direction: column; gap: 10px; }
.step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 18px;
  box-shadow: var(--shadow-sm);
}
.step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
  background: var(--blue);
}
.step-num.n2 { background: var(--navy); }
.step-num.n3 { background: var(--orange); }
.step-num.n4 { background: var(--purple); }
.step-title { font-weight: 700; color: var(--ink); font-size: 14px; }
.step-sub { font-size: 12px; color: var(--muted); margin-top: 3px; }
.step > .lucide-icon { width: 18px; height: 18px; color: var(--blue); flex-shrink: 0; margin-top: 4px; margin-left: auto; }

/* --- ネスト (Level 1-3) --- */
.level {
  border-radius: 14px;
  padding: 16px 20px;
}
.level .lv-label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.level .lv-label .lucide-icon { width: 17px; height: 17px; }
.level .lv-title { font-weight: 800; font-size: 15px; color: var(--navy); }
.level .lv-sub { font-size: 12px; color: var(--muted); margin-top: 3px; }
.level.l3 { border: 2.5px solid var(--orange); background: var(--orange-soft); }
.level.l3 .lv-label { color: var(--orange); }
.level.l2 { border: 2px solid var(--blue); background: var(--blue-soft); margin: 12px 14px 0; }
.level.l2 .lv-label { color: var(--blue); }
.level.l1 { border: 1.5px solid var(--line); background: var(--card); margin: 10px 14px 0; }
.level.l1 .lv-label { color: var(--muted); }

/* --- プログレスバー (改善結果) --- */
.bar-row { display: flex; align-items: center; gap: 12px; }
.bar-label { font-size: 12px; color: var(--muted); width: 92px; flex-shrink: 0; text-align: right; font-weight: 600; }
.bar-val { font-size: 12px; font-weight: 700; width: 72px; flex-shrink: 0; }
.bar {
  flex: 1;
  height: 16px;
  border-radius: 8px;
  overflow: hidden;
  background: #EEF1F6;
  border: 1px solid var(--line);
}
.bar-fill { height: 100%; border-radius: 8px; }

/* --- Before/After --- */
.bfa {
  display: grid;
  grid-template-columns: 1fr 30px 1fr;
  gap: 8px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 16px;
  box-shadow: var(--shadow-sm);
}
.bfa .b-label { font-size: 10.5px; font-weight: 800; margin-bottom: 2px; }
.bfa .before .b-label { color: var(--red); }
.bfa .after .b-label { color: var(--green); }
.bfa .b-text { font-size: 13px; font-weight: 600; color: var(--ink); }
.bfa .arrow { text-align: center; color: var(--orange); font-size: 16px; font-weight: 800; }

/* --- セクションヒーロー --- */
.section-hero { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; }
.section-hero-icon {
  width: 84px; height: 84px;
  border-radius: 24px;
  background: var(--blue-soft);
  border: 1px solid var(--blue-line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.section-hero-icon .lucide-icon { width: 40px; height: 40px; color: var(--blue); }
.section-hero-icon.orange { background: var(--orange-soft); border-color: #F5CDB0; }
.section-hero-icon.orange .lucide-icon { color: var(--orange); }
.section-hero-icon.purple { background: var(--purple-soft); border-color: #DCD2F2; }
.section-hero-icon.purple .lucide-icon { color: var(--purple); }
.section-hero-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .28em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-hero-title {
  font-size: 42px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.25;
}
.section-hero-sub {
  font-size: 19px;
  color: var(--muted);
  font-weight: 500;
  margin-top: 14px;
}

/* --- アニメーション --- */
.animate-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.animate-in.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .15s; }
.delay-2 { transition-delay: .3s; }
.delay-3 { transition-delay: .45s; }
.delay-4 { transition-delay: .6s; }

/* --- 汎用 --- */
.mt-8 { margin-top: 8px; } .mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; } .mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; } .mb-12 { margin-bottom: 12px; } .mb-16 { margin-bottom: 16px; }
.col { display: flex; flex-direction: column; }
.gap-8 { gap: 8px; } .gap-10 { gap: 10px; } .gap-14 { gap: 14px; }
.center-text { text-align: center; }