/* ============================================================
   ABOUT PAGE — css/about.css
   一般社団法人 呉観光協会とは？ページ 専用スタイル
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;700;900&display=swap');

/* ─────────────────────────────────────────────
   0. ページ全体：明朝体ベース
───────────────────────────────────────────── */
.main-wrapper {
  font-family: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', '游明朝', 'HG明朝E', serif;
}

/* 見出し類も明朝体 */
.main-wrapper h1,
.main-wrapper h2,
.main-wrapper h3,
.main-wrapper h4,
.main-wrapper p,
.main-wrapper li,
.main-wrapper td,
.main-wrapper th,
.main-wrapper label,
.main-wrapper span:not(.mvv-label):not(.section-sub) {
  font-family: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', '游明朝', serif;
}

/* ─────────────────────────────────────────────
   1. PAGE HEADER
───────────────────────────────────────────── */
.about-page-header {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: linear-gradient(135deg, #051c2c 0%, #0a4f7a 40%, #00aadd 80%, #00c896 100%);
}

.about-header-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 120% 80% at 80% 110%, rgba(0,200,150,0.25) 0%, transparent 55%),
    radial-gradient(ellipse 60% 60% at 10% -10%, rgba(0,170,221,0.4) 0%, transparent 50%);
}

.about-header-bg::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80'%3E%3Cpath fill='%23ffffff' fill-opacity='1' d='M0,40 C360,80 720,0 1080,40 C1260,60 1380,50 1440,48 L1440,80 L0,80 Z'/%3E%3C/svg%3E") no-repeat bottom center / cover;
}

.about-header-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.about-header-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(5,28,44,0.3) 100%);
}

.about-header-inner {
  position: relative;
  z-index: 2;
  padding-bottom: 80px;
  padding-top: 56px;
  width: 100%;
}

.about-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 28px;
  font-family: 'Noto Serif JP', serif;
}
.about-breadcrumb a { color: rgba(255,255,255,0.9); transition: color 0.2s; }
.about-breadcrumb a:hover { color: #fff; }
.about-breadcrumb i.fa-chevron-right { font-size: 0.65rem; opacity: 0.5; }

.about-header-content {
  display: flex;
  align-items: center;
  gap: 24px;
}

.about-header-icon {
  width: 72px;
  height: 72px;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  flex-shrink: 0;
  backdrop-filter: blur(8px);
}

.about-header-en {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.6);
  margin: 0 0 6px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}
.about-header-en::before {
  content: '';
  width: 28px;
  height: 2px;
  background: rgba(255,255,255,0.5);
}

.about-header-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  margin: 0 0 6px;
  line-height: 1.2;
  font-family: 'Noto Serif JP', serif;
}

.about-header-sub {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
  margin: 0;
  font-family: 'Noto Serif JP', serif;
}

/* ─────────────────────────────────────────────
   2. SHARED SECTION STYLES
───────────────────────────────────────────── */
.about-overview-section,
.about-activities-section,
.about-earning-section,
.about-access-section {
  padding: 80px 0;
}

.about-earning-section {
  background: linear-gradient(180deg, #f0f8ff 0%, #e8f5fb 100%);
}

.overview-header,
.section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.section-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  flex-shrink: 0;
}

.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 4px;
  line-height: 1.3;
}

.section-sub {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--primary);
  margin: 0;
  text-transform: uppercase;
}

/* ─────────────────────────────────────────────
   3. MISSION / VISION / VALUES — 統一レイアウト
───────────────────────────────────────────── */

/* ラッパー */
.mvv-wrapper {
  background: #fff;
}

/* 各セクション共通：全て同一の白背景・同一パディング */
.mvv-section {
  padding: 88px 0;
  background: #fff;
  border-top: 1px solid rgba(0,0,0,0.06);
}

/* 偶数番目のセクションにも同じ白背景（背景差なし） */
.mvv-section.mvv-alt {
  background: #fff;
}

/* ── ヘッダー（中央揃え） ── */
.mvv-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

/* バッジラベル（英字サンセリフ） */
.mvv-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.38em;
  color: var(--primary);
  background: rgba(0,170,221,0.07);
  border: 1.5px solid rgba(0,170,221,0.22);
  border-radius: 50px;
  padding: 5px 22px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

/* ─── セクションタイトル：明朝体 ─── */
.mvv-title {
  font-family: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', '游明朝', 'HG明朝E', serif !important;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
  margin: 0 0 20px;
  letter-spacing: 0.08em;
}

/* リードテキスト：明朝体 */
.mvv-lead {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(0.95rem, 1.7vw, 1.1rem);
  font-weight: 400;
  color: var(--mid);
  line-height: 2.1;
  margin: 0 auto;
  max-width: 520px;
}

/* 下線装飾 */
.mvv-header::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border-radius: 2px;
  margin: 24px auto 0;
}

/* ── 3カラムカードグリッド ── */
.mvv-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* カード本体 */
.mvv-card {
  background: #fff;
  border: 1px solid rgba(0,170,221,0.15);
  border-radius: 20px;
  padding: 40px 30px 34px;
  transition: transform 0.3s;
  position: relative;
  overflow: hidden;
}

/* 上部カラーライン */
.mvv-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
}

.mvv-card:hover {
  transform: translateY(-6px);
}

/* カードアイコン */
.mvv-card-icon {
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  color: #fff;
  margin-bottom: 22px;
}

/* カード見出し（明朝体） */
.mvv-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 14px;
  line-height: 1.5;
}

/* カード本文（明朝体） */
.mvv-card p {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.875rem;
  color: var(--mid);
  line-height: 1.95;
  margin: 0;
}

/* ─────────────────────────────────────────────
   4. OVERVIEW（協会概要）
───────────────────────────────────────────── */
.about-overview-section {
  background: #fff;
  border-top: 1px solid rgba(0,0,0,0.05);
}

.overview-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

.overview-table-wrap {
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.07);
  overflow: hidden;
}

.overview-table {
  width: 100%;
  border-collapse: collapse;
}

.overview-table tbody tr {
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: background 0.2s;
}
.overview-table tbody tr:last-child { border-bottom: none; }
.overview-table tbody tr:hover { background: rgba(0,170,221,0.04); }

.overview-table th {
  width: 36%;
  padding: 14px 20px;
  background: rgba(0,170,221,0.05);
  font-family: 'Noto Serif JP', serif;
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--primary-dark);
  text-align: left;
  white-space: nowrap;
  vertical-align: middle;
}
.overview-table th i {
  margin-right: 7px;
  width: 14px;
  text-align: center;
  color: var(--primary);
}

.overview-table td {
  padding: 14px 20px;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.88rem;
  color: var(--dark);
  line-height: 1.7;
  vertical-align: middle;
}
.overview-table td a { color: var(--primary); transition: opacity 0.2s; }
.overview-table td a:hover { opacity: 0.75; text-decoration: underline; }

/* 統計カード */
.overview-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.ov-stat-card {
  background: #fff;
  border: 1px solid rgba(0,170,221,0.15);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  transition: transform 0.3s;
  position: relative;
  overflow: hidden;
}
.ov-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
}
.ov-stat-card.accent::before {
  background: linear-gradient(90deg, #e67e22, #f39c12);
}
.ov-stat-card:hover { transform: translateY(-4px); }

.ov-stat-icon {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.ov-stat-card.accent .ov-stat-icon { color: #e67e22; }

.ov-stat-num {
  font-family: var(--font-en);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--dark);
  line-height: 1;
  margin-bottom: 8px;
}
.ov-stat-num span {
  font-family: 'Noto Serif JP', serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--mid);
  margin-left: 2px;
}

.ov-stat-label {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.78rem;
  color: var(--mid);
  font-weight: 500;
}

/* ─────────────────────────────────────────────
   5. ACTIVITIES（主な活動・事業）
───────────────────────────────────────────── */
.about-activities-section {
  background: #fafbfc;
  border-top: 1px solid rgba(0,0,0,0.05);
}

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

.activity-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 18px;
  padding: 32px 24px 28px;
  transition: transform 0.3s;
  position: relative;
  overflow: hidden;
}
.activity-card:hover { transform: translateY(-6px); }

.activity-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 18px;
}

.activity-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 10px;
  line-height: 1.5;
}
.activity-card p {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.84rem;
  color: var(--mid);
  line-height: 1.85;
  margin: 0;
}

/* ─────────────────────────────────────────────
   6. EARNING MODEL（自走化モデル）
───────────────────────────────────────────── */
.about-earning-section {
  position: relative;
  overflow: hidden;
}
.about-earning-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0,170,221,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.earning-icon {
  background: linear-gradient(135deg, #27ae60, #1e8449) !important;
}

.earning-lead {
  font-family: 'Noto Serif JP', serif;
  font-size: 1rem;
  color: var(--mid);
  line-height: 2;
  margin-bottom: 48px;
  max-width: 720px;
  padding: 22px 26px;
  background: rgba(255,255,255,0.85);
  border-radius: 12px;
  border-left: 4px solid var(--primary);
}
.earning-lead strong {
  font-family: 'Noto Serif JP', serif;
  color: var(--dark);
  font-weight: 800;
}

.earning-flow {
  display: flex;
  align-items: stretch;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.07);
}

.earning-step {
  flex: 1;
  padding: 40px 24px 36px;
  text-align: center;
  transition: background 0.3s;
}
.earning-step:hover { background: rgba(0,170,221,0.04); }
.earning-step + .earning-step { border-left: 1px solid rgba(0,0,0,0.06); }

.earning-arrow { display: none; }

.earning-step-num {
  font-family: var(--font-en);
  font-size: 3.2rem;
  font-weight: 900;
  color: rgba(0,170,221,0.1);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.earning-step-icon {
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: #fff;
  margin: 0 auto 20px;
  transition: transform 0.3s;
}
.earning-step:hover .earning-step-icon { transform: scale(1.08) rotate(-3deg); }

.earning-step h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 10px;
  line-height: 1.5;
}
.earning-step p {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.82rem;
  color: var(--mid);
  line-height: 1.85;
  margin: 0;
}

/* ─────────────────────────────────────────────
   7. ACCESS（アクセス）
───────────────────────────────────────────── */
.about-access-section {
  background: #fff;
  border-top: 1px solid rgba(0,0,0,0.05);
}

.access-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 40px;
  align-items: start;
}

.access-info {
  background: #fff;
  border: 1px solid rgba(0,170,221,0.15);
  border-radius: 18px;
  padding: 32px 28px;
}

.access-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  font-family: 'Noto Serif JP', serif;
  font-size: 0.88rem;
  color: var(--dark);
  line-height: 1.7;
}
.access-item:last-of-type {
  border-bottom: none;
  margin-bottom: 20px;
}
.access-item > i {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
  margin-top: 2px;
}
.access-item a { color: var(--primary); transition: opacity 0.2s; }
.access-item a:hover { opacity: 0.75; text-decoration: underline; }

.access-contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.95rem;
  font-weight: 700;
  margin-top: 8px;
}

.access-map {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
  line-height: 0;
}
.access-map iframe {
  width: 100%;
  height: 400px;
  border: none;
  display: block;
}

/* ─────────────────────────────────────────────
   8. ボタン共通
───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.92rem;
  font-weight: 700;
  transition: transform 0.25s, background 0.25s;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
}
.btn-primary:hover {
  transform: translateY(-2px);
  color: #fff;
}

/* ─────────────────────────────────────────────
   9. スクロールトップ
───────────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 900;
}
.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { transform: translateY(-3px); }

/* ─────────────────────────────────────────────
   10. フェードインアニメーション
───────────────────────────────────────────── */
.mvv-card,
.activity-card,
.ov-stat-card,
.earning-step {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.mvv-card.visible,
.activity-card.visible,
.ov-stat-card.visible,
.earning-step.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─────────────────────────────────────────────
   11. RESPONSIVE
───────────────────────────────────────────── */

/* タブレット (〜 1100px) */
@media (max-width: 1100px) {
  .mvv-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .activities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .overview-layout {
    grid-template-columns: 1fr;
  }
  .overview-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .earning-flow {
    flex-wrap: wrap;
  }
  .earning-step {
    min-width: 45%;
    flex: 0 0 45%;
    border-bottom: 1px solid rgba(0,0,0,0.06);
  }
}

/* モバイル (〜 768px) */
@media (max-width: 768px) {
  .about-page-header { min-height: 240px; }
  .about-header-inner { padding-top: 80px; padding-bottom: 60px; }
  .about-header-icon { width: 54px; height: 54px; font-size: 1.5rem; border-radius: 14px; }
  .about-header-title { font-size: 1.6rem; }

  .mvv-section { padding: 56px 0; }
  .mvv-title { font-size: 2.6rem; }
  .mvv-cards { grid-template-columns: 1fr; gap: 16px; }

  .activities-grid { grid-template-columns: 1fr; gap: 16px; }
  .overview-stats { grid-template-columns: repeat(2, 1fr); }

  .earning-flow { flex-direction: column; }
  .earning-step {
    min-width: 100%;
    flex: 0 0 100%;
    border-left: none !important;
    border-bottom: 1px solid rgba(0,0,0,0.06);
  }
  .earning-step:last-child { border-bottom: none; }

  .access-layout { grid-template-columns: 1fr; }
  .access-map iframe { height: 280px; }

  .about-overview-section,
  .about-activities-section,
  .about-earning-section,
  .about-access-section {
    padding: 48px 0;
  }
}

/* スマートフォン (〜 480px) */
@media (max-width: 480px) {
  .about-header-content { flex-direction: column; align-items: flex-start; gap: 16px; }
  .mvv-title { font-size: 2.2rem; }
  .overview-stats { grid-template-columns: 1fr 1fr; }
  .ov-stat-num { font-size: 1.7rem; }
  .mvv-cards { gap: 14px; }
  .mvv-card { padding: 30px 22px 26px; }
}