@charset "UTF-8";

/* イントロダクション */
.intro-summary {
  padding: 100px 0 60px;
  text-align: center;
  background: #fff;
}
.goukai-lead {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 60px;
  color: var(--dark);
}
.mark-yellow {
  background: linear-gradient(transparent 60%, var(--primary) 60%);
  display: inline-block;
  padding: 0 10px;
}

/* 目次ナビゲーション（黒帯） */
.toc-nav {
  background: var(--dark);
  padding: 20px 0;
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  transform: skew(-10deg); /* 全体を斜めに */
  width: 90%;
  margin: 0 auto;
  box-shadow: 10px 10px 0 rgba(0,0,0,0.2);
}
.toc-nav ul {
  display: flex;
  justify-content: center;
  gap: 40px;
  transform: skew(10deg); /* 文字は戻す */
}
.toc-nav a {
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  text-transform: uppercase;
  font-family: "Impact", sans-serif;
  letter-spacing: 0.1em;
}
.toc-nav a:hover {
  color: var(--primary);
}


/* --- 2. セクション共通デザイン（豪快仕様） --- */
.goukai-section {
  padding: 120px 0;
}
.bg-black { background: #111; color: #fff; }
.bg-white { background: #fff; color: #111; }
.bg-yellow { background: var(--primary); color: #111; }

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 見出しエリア */
.goukai-head {
  display: flex;
  align-items: baseline;
  gap: 30px;
  margin-bottom: 60px;
  border-bottom: 10px solid var(--primary); /* 極太ボーダー */
  padding-bottom: 20px;
}
.huge-num {
  font-size: 120px;
  font-weight: 900;
  font-family: "Impact", sans-serif;
  line-height: 0.8;
  color: var(--primary);
}
.huge-num.text-outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--dark);
}
.huge-num.black { color: #000; }

.goukai-head h2 {
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -0.05em;
}

/* 本文エリア */
.goukai-body h3 {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 40px;
  line-height: 1.4;
  border-left: 10px solid var(--primary);
  padding-left: 20px;
}
.bg-yellow .goukai-body h3 { border-color: #000; }

.goukai-body p {
  font-size: 18px;
  line-height: 2;
  margin-bottom: 60px;
  font-weight: 500;
}


/* --- 3. 豪快な図表デザイン --- */

/* 棒グラフ (Industrial Bar) */
.goukai-chart-box {
  border: 4px solid var(--primary);
  padding: 40px;
  background: rgba(255,255,255,0.05);
}
.goukai-chart-box h4 {
  font-size: 24px;
  font-weight: 900;
  margin-bottom: 30px;
  font-family: "Impact", sans-serif;
  letter-spacing: 0.1em;
}
.industrial-bar {
  margin-bottom: 20px;
}
.industrial-bar .label {
  font-weight: bold;
  margin-bottom: 5px;
  display: block;
}
.industrial-bar .bar-bg {
  width: 100%;
  height: 40px;
  background: #333;
  position: relative;
  transform: skew(-20deg); /* 斜めに */
}
.industrial-bar .bar-in {
  height: 100%;
  background: var(--primary);
  color: #000;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 15px;
  font-size: 18px;
}
.caption { font-size: 12px; margin-top: 20px; opacity: 0.7; }


/* ロードマップ (Road Steps) */
.road-steps {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 60px;
}
.road-item {
  width: 30%;
  background: #111;
  color: #fff;
  padding: 30px;
  text-align: center;
  position: relative;
  box-shadow: 10px 10px 0 var(--primary); /* 黄色い影 */
  border: 2px solid #111;
}
.road-item.active {
  background: var(--primary);
  color: #000;
  border-color: #000;
  transform: scale(1.1);
  box-shadow: 10px 10px 0 #000;
  z-index: 2;
}
.road-item .phase {
  font-family: "Impact", sans-serif;
  font-size: 30px;
  display: block;
  margin-bottom: 10px;
}
.road-item p { font-size: 14px; margin: 0; line-height: 1.5; }

.road-arrow {
  flex: 1;
  height: 10px;
  background: repeating-linear-gradient(
    45deg,
    #000,
    #000 10px,
    #fff 10px,
    #fff 20px
  );
  margin-top: 50px;
  position: relative;
  z-index: 0;
}


/* データグリッド (Spec Grid) */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.spec-card {
  border: 2px solid #333;
  padding: 30px;
  background: #222;
  text-align: center;
}
.spec-card h4 { color: var(--primary); font-weight: bold; margin-bottom: 15px; }
.spec-card ul { text-align: left; list-style: square; padding-left: 20px; }
.spec-card li { margin-bottom: 5px; }
.spec-num { font-size: 60px; font-weight: 900; line-height: 1; color: #fff; }
.spec-num span { font-size: 18px; }


/* スキルツリー (Wiring) */
.skill-tree {
  margin-top: 50px;
  border-left: 10px solid #111; /* 太い線 */
  padding-left: 40px;
}
.tree-item {
  margin-bottom: 40px;
  position: relative;
}
.tree-item::before {
  content: '';
  width: 30px;
  height: 10px;
  background: #111;
  position: absolute;
  left: -50px;
  top: 20px;
}
.lvl {
  background: #111;
  color: #fff;
  padding: 5px 10px;
  font-weight: 900;
  font-family: "Impact", sans-serif;
  display: inline-block;
  margin-bottom: 10px;
}
.tree-content strong {
  font-size: 24px;
  display: block;
  margin-bottom: 5px;
}
.caption-box {
  background: #eee;
  padding: 20px;
  font-weight: bold;
  border-left: 5px solid #111;
}


/* --- 4. 最後のCTA --- */
.final-action {
  text-align: center;
  margin-top: 60px;
  border: 4px solid #000;
  padding: 60px;
  background: #fff;
}
.final-action p {
  font-size: 30px;
  font-weight: 900;
  margin-bottom: 40px;
  color: #000;
}
.action-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
}
.btn.bg-black { background: #000; color: #fff; }
.btn.bg-white { background: #fff; color: #000; }
.btn.border-black { border: 2px solid #000; }


/* --- スマホ対応 --- */
@media (max-width: 900px) {
  .goukai-lead { font-size: 24px; margin-bottom: 30px; }
  
  .toc-nav { width: 100%; transform: none; top: 60px; overflow-x: auto; white-space: nowrap; }
  .toc-nav ul { transform: none; justify-content: flex-start; padding: 0 20px; gap: 20px; }
  
  .huge-num { font-size: 60px; }
  .goukai-head h2 { font-size: 24px; }
  .goukai-body h3 { font-size: 22px; }
  
  .road-steps { flex-direction: column; gap: 20px; }
  .road-item { width: 100%; }
  .road-arrow { display: none; }
  
  .spec-grid { grid-template-columns: 1fr; }
  
  .final-action { padding: 30px; }
  .final-action p { font-size: 20px; }
  .action-btns { flex-direction: column; }
}