/* ==========================================================================
   一般社団法人ワカツク - スタイルシート (カラーアップデート＆実素材対応版)
   カラーコンセプト: ロゴのフレッシュグリーン & アクアブルーと同調する
                   明快で温かみのあるボタニカル・アースカラーパレット
   ========================================================================== */

/* --- CSS Variables / Custom Properties --- */
:root {
  /* Color Palette (Logo Matched) */
  --color-bg-base: #FCFAF5;          /* 澄んだ生成り色 */
  --color-bg-alt: #F4EFF5;           /* ナチュラルアイボリー */
  --color-surface: #FFFFFF;
  --color-surface-translucent: rgba(255, 255, 255, 0.90);

  --color-text-main: #1D2923;        /* 墨色・クリアなダークグリーンアッシュ */
  --color-text-muted: #53635B;       /* 落ち着いたアッシュ */
  --color-text-light: #83948B;

  --color-primary: #1C8558;         /* ロゴ同調：フレッシュボタニカルグリーン */
  --color-primary-dark: #124A32;    /* 深みのあるダークフォレスト */
  --color-primary-light: #2CB379;
  --color-primary-soft: #EBF7F1;

  --color-accent-blue: #0073A8;     /* ロゴ同調：アクアトラストブルー */
  --color-accent-terracotta: #DF5732; /* ロゴ同調：パッションオレンジ・テラコッタ */
  --color-accent-amber: #E29923;    /* アンバーゴールド */

  --color-border: #E3DDD3;
  --color-border-hover: #C5BCAC;

  /* Typography */
  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Zen Kaku Gothic New', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Plus Jakarta Sans', sans-serif;

  /* Shadows & Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  --shadow-sm: 0 4px 12px rgba(18, 74, 50, 0.06);
  --shadow-md: 0 10px 30px rgba(18, 74, 50, 0.10);
  --shadow-lg: 0 20px 48px rgba(18, 74, 50, 0.15);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  line-height: 1.75;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

img, svg {
  max-width: 100%;
  display: block;
}

/* --- Layout Utility --- */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section {
  padding: 100px 0;
}

.text-center {
  text-align: center;
}

.section-subtitle {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-sans);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-normal);
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-soft);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background-color: transparent;
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}

.btn-outline-dark:hover {
  background-color: var(--color-primary-dark);
  color: #FFFFFF;
}

.btn-large {
  padding: 16px 40px;
  font-size: 1.05rem;
}

/* --- Header & Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-surface-translucent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(227, 221, 211, 0.7);
  transition: all var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  width: 92%;
  max-width: 1280px;
  margin: 0 auto;
}

.site-logo-link {
  display: flex;
  align-items: center;
}

.site-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.nav-desktop ul {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-desktop a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-main);
  position: relative;
}

.nav-desktop a:not(.btn-nav-contact)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav-desktop a:not(.btn-nav-contact):hover::after {
  width: 100%;
}

.btn-nav-contact {
  padding: 8px 20px;
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark) !important;
  border-radius: var(--radius-pill);
  font-weight: 700 !important;
}

.btn-nav-contact:hover {
  background-color: var(--color-primary);
  color: #FFFFFF !important;
}

.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger-btn span {
  width: 100%;
  height: 2px;
  background-color: var(--color-primary-dark);
  transition: all var(--transition-fast);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 84px;
  left: 0;
  width: 100%;
  height: calc(100vh - 84px);
  background-color: var(--color-bg-base);
  z-index: 999;
  display: none;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.mobile-drawer.active {
  display: block;
  opacity: 1;
}

.drawer-inner {
  padding: 40px 24px;
}

.drawer-inner ul {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.drawer-link {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: block;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

/* --- HERO Section --- */
.hero-section {
  position: relative;
  padding-top: 140px;
  padding-bottom: 100px;
  overflow: hidden;
  background-color: var(--color-bg-base);
}

.hero-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.organic-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
}

.shape-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #CDEBDD 0%, rgba(205,235,221,0) 70%);
  top: -100px;
  right: -100px;
}

.shape-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #E1F0F7 0%, rgba(225,240,247,0) 70%);
  bottom: 0;
  left: -100px;
}

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(27, 133, 88, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}

.hero-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent-terracotta);
  border-radius: 50%;
}

.hero-title {
  margin-bottom: 32px;
}

.title-main {
  display: block;
  font-family: var(--font-sans);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.title-sub {
  display: block;
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-accent-blue);
  letter-spacing: 0.05em;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

/* HERO Photo Card */
.hero-photo-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  position: relative;
  background-color: var(--color-surface);
}

.hero-photo-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: center 20%;
  transition: transform var(--transition-normal);
}

.hero-photo-card:hover .hero-photo-img {
  transform: scale(1.03);
}

.photo-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(18, 74, 50, 0.88), transparent);
  color: #FFFFFF;
  padding: 20px 16px 12px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.caption-tag {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 700;
  background-color: var(--color-accent-terracotta);
  padding: 2px 8px;
  border-radius: 4px;
}

/* Statement Card */
.hero-statement-card {
  background-color: var(--color-surface-translucent);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
  position: relative;
}

.statement-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.quote-icon {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.3;
}

.statement-header h3 {
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--color-primary-dark);
}

.statement-lead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.6;
  margin-bottom: 20px;
}

.statement-text p {
  font-size: 0.95rem;
  color: var(--color-text-main);
  margin-bottom: 14px;
  line-height: 1.7;
}

.statement-footer {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-accent-terracotta);
  font-size: 1.05rem;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border);
}

/* --- Entrance Section (3つの入り口) --- */
.entrance-section {
  background-color: var(--color-bg-alt);
}

.entrance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.entrance-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.entrance-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.card-tag {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
  margin-bottom: 16px;
}

.card-image-wrapper {
  margin-bottom: 20px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 180px;
}

.card-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.entrance-card:hover .card-photo-img {
  transform: scale(1.06);
}

.card-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.card-catch {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-accent-blue);
  margin-bottom: 14px;
}

.card-summary {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.card-link-btn {
  background: none;
  border: none;
  color: var(--color-primary);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 0;
}

.entrance-card:hover .card-link-btn {
  color: var(--color-primary-dark);
}

/* --- Challecom Section --- */
.challecom-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.challecom-lead {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}

.challecom-desc {
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.challecom-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 36px;
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stat-number {
  font-family: var(--font-en);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Map & Network Nodes */
.challecom-map-container {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.map-header-with-img {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.map-img-box {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: #ffffff;
  box-shadow: 0 3px 12px rgba(0,0,0,0.08);
  border: 1px solid rgba(0,0,0,0.08);
  padding: 4px;
}

.tohoku-map-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.map-header-text h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 4px;
}

.map-header-text .map-hint {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
}

.prefecture-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.pref-node {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-base);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pref-node:hover, .pref-node.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.network-display {
  min-height: 240px;
  background-color: var(--color-bg-base);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.network-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.03);
}

.network-item-pref {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-blue);
  background-color: #E6F3FA;
  padding: 2px 8px;
  border-radius: 4px;
}

.network-item-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text-main);
}

/* --- Our Current Step Section --- */
.current-section {
  background-color: var(--color-bg-base);
}

.current-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.current-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.current-badge {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-terracotta);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.current-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}

.current-lead {
  font-size: 0.95rem;
  color: var(--color-text-main);
  margin-bottom: 24px;
}

.current-points li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}

.current-points .point-text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.current-inline-link {
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: 700;
  display: inline;
}

.current-points svg {
  flex-shrink: 0;
  margin-top: 3px;
}

/* --- HISTORY Section --- */
.history-section {
  background-color: var(--color-bg-alt);
}

.timeline-container {
  position: relative;
  max-width: 840px;
  margin: 60px auto 0;
  padding: 20px 0;
}

.timeline-line {
  position: absolute;
  top: 0;
  left: 120px;
  width: 2px;
  height: 100%;
  background-color: var(--color-border-hover);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 48px;
  position: relative;
}

.timeline-marker {
  width: 100px;
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: right;
  padding-right: 32px;
  flex-shrink: 0;
  line-height: 1.2;
}

.timeline-content {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 28px;
  margin-left: 40px;
  flex-grow: 1;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 24px;
  left: -21px;
  width: 12px;
  height: 12px;
  background-color: var(--color-primary);
  border: 4px solid var(--color-surface);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-item-highlight .timeline-marker {
  color: var(--color-accent-terracotta);
  font-size: 1.5rem;
}

.timeline-item-highlight .timeline-content {
  border-color: var(--color-accent-terracotta);
  background-color: #FFFBF9;
}

.timeline-item-highlight .timeline-content::before {
  background-color: var(--color-accent-terracotta);
  box-shadow: 0 0 0 2px var(--color-accent-terracotta);
}

.timeline-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* History Interview Note Box */
.history-interview-box {
  margin-top: 80px;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 48px;
  box-shadow: var(--shadow-md);
}

.interview-box-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.interview-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-blue);
  background-color: #E6F3FA;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.interview-box-header h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

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

.interview-card {
  background-color: var(--color-bg-base);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.interview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.interview-card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-terracotta);
  margin-bottom: 8px;
}

.interview-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.4;
  margin-bottom: 10px;
}

.interview-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  flex-grow: 1;
}

.interview-read-more {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* --- UPDATE / NEWS Section --- */
.update-section {
  background-color: var(--color-bg-base);
}

.section-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}

.update-tags {
  display: flex;
  gap: 8px;
}

.tag-btn {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tag-btn:hover, .tag-btn.active {
  background-color: var(--color-primary-dark);
  color: #FFFFFF;
  border-color: var(--color-primary-dark);
}

.update-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.update-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.update-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.update-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.8rem;
}

.update-category {
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
}

.update-meta time {
  color: var(--color-text-light);
  font-family: var(--font-en);
}

.update-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.4;
  margin-bottom: 12px;
}

.update-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.update-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent-blue);
}

/* --- CONTACT Section --- */
.contact-section {
  background-color: var(--color-bg-alt);
}

.contact-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 60px;
  max-width: 880px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
}

.contact-header {
  margin-bottom: 40px;
}

.form-type-selector {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.type-option {
  flex: 1;
  min-width: 220px;
}

.type-option input {
  display: none;
}

.type-option span {
  display: block;
  text-align: center;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-base);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.type-option input:checked + span {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  font-weight: 700;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.required {
  font-size: 0.75rem;
  color: var(--color-accent-terracotta);
  background-color: #FDF2F0;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-base);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text-main);
  transition: border-color var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: #FFFFFF;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #E2ECE7;
  padding: 80px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo-img {
  height: 48px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-tagline {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  margin-top: 20px;
  color: #C5D8CD;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h5 {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--color-accent-amber);
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 0.88rem;
  color: #C5D8CD;
}

.footer-col a:hover {
  color: #FFFFFF;
}

.office-info {
  font-size: 0.85rem;
  line-height: 1.8;
  color: #A1BBAE;
}

.footer-bottom {
  margin-top: 40px;
  font-size: 0.8rem;
  color: #7E9C8E;
}

/* --- Modal Component --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(18, 74, 50, 0.65);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-container {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 760px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 48px;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: modalUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalUp {
  from {
    transform: translateY(30px) scale(0.96);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.modal-close:hover {
  color: var(--color-primary-dark);
}

/* Modal Content Formatting */
.modal-body h3 {
  font-size: 1.8rem;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.modal-body .modal-catch {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-accent-blue);
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.modal-body h4 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin: 24px 0 12px;
}

.modal-body p {
  font-size: 0.95rem;
  color: var(--color-text-main);
  line-height: 1.7;
  margin-bottom: 16px;
}

.modal-body ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 24px;
}

.modal-body li {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.modal-cta-box {
  margin-top: 32px;
  padding: 24px;
  background-color: var(--color-primary-soft);
  border-radius: var(--radius-md);
  text-align: center;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
  }

  .entrance-grid, .update-grid, .interview-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .challecom-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .site-logo-img {
    height: 38px;
  }

  .title-main {
    font-size: 2.3rem;
  }

  .entrance-grid, .current-grid, .update-grid, .interview-cards-grid {
    grid-template-columns: 1fr;
  }

  .timeline-line {
    left: 20px;
  }

  .timeline-marker {
    width: 60px;
    padding-right: 12px;
    font-size: 1rem;
  }

  .timeline-content {
    margin-left: 20px;
    padding: 20px;
  }

  .timeline-content::before {
    left: -17px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 32px 20px;
  }

  .history-interview-box {
    padding: 28px 20px;
  }

  .footer-photo-box {
    width: 100%;
    max-width: 100%;
    margin-bottom: 20px;
  }
}

/* Footer Photo Box (若者と共に地域をつくる) */
.footer-photo-box {
  width: 360px;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.footer-photo-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
}

.footer-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}