@charset "UTF-8";

/* =========================================================
   Initiatives DX Page Style - Final Corrected
   - Typography: PC (2 Lines / Stacked) / Mobile (1 Line / Row)
   - Color Theme: Navy (#1b4b8d) & Cyan (#00a1e9)
========================================================= */

/* --- 1. Section Spacing --- */
.section-lead,
.section-content,
.section-system {
  padding: clamp(80px, 10vw, 120px) 0;
}
.section-header {
  margin-bottom: clamp(60px, 8vw, 100px);
}
.section-subtext {
  margin-top: 24px;
  color: #666;
  font-size: 1.05rem;
  line-height: 1.8;
}

/* 文節保護ロジック */
.lead-heading span,
.ja-title span {
  display: block;
}
@media (max-width: 768px) {
  .lead-text p span,
  .section-subtext p span,
  .v-text span,
  .f-text-box p span,
  .hub-text p span {
    display: inline;
  }
}

/* --- 2. DX 5 Pillars Grid (PC Base) --- */
.dx-values-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.value-item {
  background: #fff;
  padding: 40px 18px;
  border-top: 6px solid #ddd;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.value-item:hover {
  transform: translateY(-8px);
  border-top-color: #00a1e9;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* ★v-head：PC版ベース（2行・縦積み構成） */
.v-head {
  display: flex;
  flex-direction: column; /* 縦積み */
  align-items: flex-start;
  gap: 6px;
  margin-bottom: 30px;
  text-transform: uppercase;
}

.v-acronym {
  font-family: var(--ff-serif, serif);
  font-size: 2.2rem; /* 大きく強調 */
  font-weight: 700;
  color: #1b4b8d;
  line-height: 1.2;
}

.v-en-name {
  font-family: var(--ff-sans, sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  color: #999;
  letter-spacing: 0.03em;
  line-height: 1.2;
}

/* --- Responsive Adjustments (max-width) --- */

/* タブレット：5列を3列へ */
@media (max-width: 1200px) {
  .dx-values-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
}

/* ★モバイル：v-headを1行（横並び）へ切り替え */
@media (max-width: 768px) {
  .dx-values-grid {
    grid-template-columns: 1fr; /* 1列 */
  }

  .value-item {
    padding: 35px 20px;
  }

  .v-head {
    flex-direction: row; /* 横並び */
    align-items: baseline; /* 下端揃え */
    gap: 12px;
    margin-bottom: 24px;
  }

  .v-acronym {
    font-size: 1.8rem; /* 1行に収まるようサイズ抑制 */
  }

  .v-en-name {
    font-size: 0.6rem;
    letter-spacing: 0.02em;
  }

  /* セクションタイトルのレスポンシブ連結ロジック */
  .v-text span {
    display: inline;
  }
}

/* タイトル（h3） */
.v-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: #1b4b8d;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

.v-text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #444;
}

/* --- 3. BV Foundation (Strategic Base / PC Base) --- */
.bv-foundation {
  background: #1b4b8d; /* 深みのあるネイビー */
  padding: clamp(50px, 7vw, 80px) clamp(30px, 5vw, 60px);
  border-radius: 4px;
  margin-top: 20px;
  text-align: left;
  color: #fff; /* 基本文字色を白に */
  position: relative;
  overflow: hidden;
}

/* 左端にアクセントライン（シアン） */
.bv-foundation::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 8px;
  height: 100%;
  background: #00a1e9;
}

/* 上部の "Foundation" ラベル */
.bv-label {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.15); /* 白の透過で馴染ませる */
  color: #00a1e9; /* シアンで文字を立たせる */
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 30px;
  border-radius: 2px;
}

/* ★BVのヘッドライン：PC/モバイル共に横並び（1行）を維持 */
.bv-head {
  display: flex;
  align-items: baseline; /* 下端を揃えて知的な印象に */
  gap: 15px;
  margin-bottom: 25px;
  text-transform: uppercase;
}

.bv-acronym {
  font-family: var(--ff-serif, serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: #00a1e9; /* シアン：暗い背景でもっとも目立つ色 */
  line-height: 1;
}

.bv-en-name {
  font-family: var(--ff-sans, sans-serif);
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7); /* 英語名は少し落として日本語を立てる */
  letter-spacing: 0.05em;
}

/* 日本語タイトル */
.bv-title {
  font-family: var(--ff-serif, serif);
  font-size: clamp(1.6rem, 2.5vw, 2rem); /* PCで存在感を出す */
  font-weight: 700;
  color: #fff; /* 視認性100%の純白 */
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

/* 本文テキスト */
.bv-foundation p {
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.9); /* 読みやすさと高級感を両立する白透過 */
  max-width: 900px; /* 横長になりすぎないよう制限 */
}

/* --- Responsive Adjustments (max-width) --- */
@media (max-width: 768px) {
  .bv-foundation {
    padding: 50px 25px;
    margin-top: 30px;
  }

  .bv-label {
    margin-bottom: 20px;
  }

  .bv-head {
    gap: 10px;
    margin-bottom: 15px;
  }

  .bv-acronym {
    font-size: 1.8rem; /* モバイル画面に合わせてサイズ調整 */
  }

  .bv-en-name {
    font-size: 0.7rem;
  }

  .bv-title {
    font-size: 1.4rem;
    line-height: 1.4;
  }

  /* モバイル連結ロジック */
  .bv-foundation p span {
    display: inline;
  }
}

/* --- 4. DX Promotion System (3 Features) --- */
.section-system {
  padding: clamp(80px, 10vw, 120px) 0;
  background-color: #fff;
}

.dx-system-features-simple {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  margin-bottom: clamp(80px, 12vw, 140px);
}

.feature-simple-item {
  display: flex;
  flex-direction: column;
}

/* ★PC/モバイル共通：数字とサブタイトルを横並びにする（修正済み） */
.f-header-group {
  display: flex;
  flex-direction: row; /* PC・モバイル共に横並び */
  align-items: center; /* 上下中央揃え */
  gap: 15px;
  margin-bottom: 20px;
}

.f-icon-box {
  width: 64px;
  height: 64px;
  background: #f0f7ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e1efff;
  flex-shrink: 0; /* 折り返し防止 */
}

.f-icon-num {
  font-family: var(--ff-serif, serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: #00a1e9;
  line-height: 1;
}

.f-sub-title {
  font-size: 0.9rem;
  color: #00a1e9;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* メインタイトル */
.f-main-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #1b4b8d;
  line-height: 1.4;
  margin-bottom: 24px;
}

.f-text-box p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: #444;
}

/* --- 5. DX Hub Highlight (Meeting / The Engine) --- */
.dx-hub-highlight {
  position: relative;
}

.hub-container {
  display: flex;
  align-items: stretch;
  background: #f8faff;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06);
  border-left: 10px solid #00a1e9;
}

.hub-text {
  flex: 1.2;
  padding: clamp(40px, 6vw, 80px);
}

.m-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: #00a1e9;
  margin-bottom: 15px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hub-text h3 {
  font-family: var(--ff-serif, serif);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  color: #1b4b8d;
  line-height: 1.4;
  margin-bottom: 30px;
}

.hub-text p {
  font-size: 1.05rem;
  line-height: 1.9;
  color: #444;
}

.hub-image {
  flex: 1;
  min-height: 400px;
}

.hub-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hub-container:hover .hub-image img {
  transform: scale(1.05);
}

/* --- Responsive Adjustments (max-width) --- */

@media (max-width: 1024px) {
  .dx-system-features-simple {
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .dx-system-features-simple {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature-simple-item {
    border-top: 1px solid #eee;
    padding-top: 30px;
  }
  .feature-simple-item:first-child {
    border-top: none;
    padding-top: 0;
  }

  /* モバイル版のサイズ・余白微調整 */
  .f-header-group {
    gap: 12px;
    margin-bottom: 15px;
  }

  .f-icon-box {
    width: 48px;
    height: 48px;
  }

  .f-icon-num {
    font-size: 1.3rem;
  }

  .f-main-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
  }

  /* 定例会：縦積み切り替え */
  .hub-container {
    flex-direction: column;
    border-left: none;
    border-top: 8px solid #00a1e9;
  }
  .hub-text {
    padding: 40px 20px;
  }
  .hub-text h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
  }
  .hub-image {
    min-height: 250px;
    order: 2;
  }

  .f-text-box p span,
  .hub-text p span {
    display: inline;
  }
}

/* --- 6. Project Portfolio --- */
.portfolio-list {
  display: flex;
  flex-direction: column;
  gap: clamp(80px, 12vw, 120px);
}

.portfolio-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

.portfolio-item.reverse {
  flex-direction: row-reverse;
}

/* テキストエリアの構造化 */
.p-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* 1. プロジェクト英語名 */
.p-en-title {
  font-family: var(--ff-sans, sans-serif);
  font-size: 0.75rem;
  font-weight: 700;
  color: #999;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* 2. プロジェクト日本語名（ほどよいサイズに調整） */
.p-title {
  font-family: var(--ff-serif, serif);
  font-size: clamp(1.5rem, 2.2vw, 1.8rem); /* 以前より一回り小さく設定 */
  color: #1b4b8d;
  line-height: 1.4;
  margin-bottom: 15px;
  font-weight: 700;
}

/* 3. 戦略カテゴリ（略称タグ） */
.p-strategy-tags {
  display: flex;
  gap: 10px;
  margin-bottom: 25px;
}

.p-strategy-tags .tag {
  font-size: 0.7rem;
  font-weight: 800;
  color: #00a1e9;
  border: 1px solid #00a1e9;
  padding: 2px 10px;
  border-radius: 2px;
  text-transform: uppercase;
  background: transparent;
}

/* 4. プロジェクト説明 */
.p-desc {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #444;
}

.p-desc span {
  display: block;
  margin-bottom: 0.5em;
}

/* 画像エリア */
.p-image {
  flex: 1.1;
}

.p-image img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  transition: transform 0.5s ease;
}

.portfolio-item:hover .p-image img {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(27, 75, 141, 0.12);
}

/* --- Responsive Adjustments (max-width) --- */

@media (max-width: 768px) {
  .portfolio-item,
  .portfolio-item.reverse {
    flex-direction: column;
    gap: 30px;
  }

  .p-info {
    order: 2;
  }

  .p-image {
    order: 1;
    width: 100%;
  }

  .p-title {
    font-size: 1.4rem; /* モバイルでは改行を考慮しさらにコンパクトに */
  }

  .p-strategy-tags {
    margin-bottom: 20px;
  }

  .p-desc span {
    display: inline;
  }
}