/* =======================================
   経営理念ページ専用スタイル
   ======================================= */

/* ヒーローセクション */
.concept-hero {
  position: relative;
  height: 500px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 80px;
  overflow: hidden;
}

.concept-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.concept-hero-overlay {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
  max-width: 1000px;
  padding: 0 20px;
}

.concept-hero-label {
  font-size: 1.2rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 20px;
  opacity: 0.9;
  font-weight: 300;
}

.concept-hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 25px;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.concept-hero-subtitle {
  font-size: 1.6rem;
  font-weight: 300;
  line-height: 1.6;
  opacity: 0.95;
  animation: fadeInUp 1s ease-out 0.2s;
  animation-fill-mode: both;
}

/* ミッションセクション */
.mission-section {
  padding: 80px 20px;
  background: white;
  text-align: center;
}

.mission-container {
  max-width: 900px;
  margin: 0 auto;
}

.mission-icon {
  font-size: 4rem;
  margin-bottom: 30px;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.mission-title {
  font-size: 2.8rem;
  font-weight: 900;
  color: #2c3e50;
  margin-bottom: 30px;
}

.mission-text {
  font-size: 1.6rem;
  line-height: 2;
  color: #555;
}

/* セクションタイトル */
.section-title-concept {
  font-size: 3rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 60px;
  color: #2c3e50;
}

.section-title-concept-white {
  font-size: 3rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 60px;
  color: white;
}

.highlight-concept {
  color: #667eea;
  position: relative;
}

.highlight-white {
  color: #ffd700;
  position: relative;
}

/* バリューセクション */
.values-section {
  padding: 80px 20px;
  background: #f8f9fa;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.value-card {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s ease;
}

.value-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.value-icon {
  font-size: 4rem;
  margin-bottom: 20px;
}

.value-title {
  font-size: 2rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 15px;
}

.value-description {
  font-size: 1.4rem;
  line-height: 1.8;
  color: #666;
}

/* 課題提起セクション */
.problem-section {
  padding: 80px 20px;
  background: white;
}

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

.problem-content {
  margin-top: 60px;
}

.problem-item {
  display: flex;
  gap: 30px;
  margin-bottom: 50px;
  align-items: flex-start;
}

.problem-number {
  font-size: 3rem;
  font-weight: 900;
  color: #667eea;
  min-width: 80px;
  opacity: 0.3;
}

.problem-text {
  flex: 1;
}

.problem-title {
  font-size: 2rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 15px;
}

.problem-description {
  font-size: 1.5rem;
  line-height: 1.8;
  color: #555;
}

/* ソリューションセクション */
.solution-section {
  padding: 80px 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.solution-container {
  max-width: 1200px;
  margin: 0 auto;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 60px;
}

.solution-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 40px;
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.solution-card:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-10px);
}

.solution-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.solution-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: white;
}

.solution-description {
  font-size: 1.4rem;
  line-height: 1.8;
  opacity: 0.95;
}

/* 社長メッセージセクション */
.message-section {
  padding: 80px 20px;
  background: #f8f9fa;
}

.message-container {
  max-width: 900px;
  margin: 0 auto;
}

.message-header {
  text-align: center;
  margin-bottom: 60px;
}

.message-title {
  font-size: 3rem;
  font-weight: 900;
  color: #2c3e50;
  margin-bottom: 10px;
}

.message-subtitle {
  font-size: 1.2rem;
  color: #999;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.message-content {
  background: white;
  padding: 50px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.message-quote {
  position: relative;
  margin-bottom: 40px;
  padding: 30px;
  background: #f8f9fa;
  border-left: 5px solid #667eea;
  border-radius: 10px;
}

.quote-mark {
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 6rem;
  color: #667eea;
  opacity: 0.2;
  font-family: Georgia, serif;
}

.message-text {
  font-size: 1.6rem;
  line-height: 2;
  color: #2c3e50;
  font-weight: 500;
}

.message-body {
  margin-bottom: 40px;
}

.message-paragraph {
  font-size: 1.5rem;
  line-height: 2;
  color: #555;
  margin-bottom: 25px;
}

.highlight-paragraph {
  font-weight: 700;
  color: #2c3e50;
  font-size: 1.6rem;
  padding: 20px;
  background: linear-gradient(to right, #f8f9fa 0%, white 100%);
  border-left: 4px solid #667eea;
  border-radius: 5px;
}

.message-author {
  text-align: right;
  padding-top: 30px;
  border-top: 2px solid #f0f0f0;
}

.author-name {
  font-size: 1.8rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 5px;
}

.author-title {
  font-size: 1.2rem;
  color: #999;
  letter-spacing: 1px;
}

/* CTAセクション */
.concept-cta-section {
  padding: 100px 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  text-align: center;
  color: white;
}

.concept-cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.concept-cta-title {
  font-size: 3.2rem;
  font-weight: 900;
  margin-bottom: 25px;
  line-height: 1.4;
}

.concept-cta-description {
  font-size: 1.6rem;
  line-height: 1.8;
  margin-bottom: 40px;
  opacity: 0.95;
}

.concept-cta-button {
  display: inline-block;
  padding: 20px 60px;
  background: white;
  color: #667eea;
  font-size: 1.6rem;
  font-weight: 700;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.concept-cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  background: #ffd700;
}

/* 会社沿革セクション */
.history-section {
  padding: 80px 20px;
  background: white;
}

.history-container {
  max-width: 900px;
  margin: 0 auto;
}

.history-timeline {
  margin-top: 60px;
}

.history-item {
  display: flex;
  gap: 40px;
  padding: 30px;
  background: #f8f9fa;
  border-radius: 10px;
  border-left: 5px solid #667eea;
}

.history-year {
  font-size: 2rem;
  font-weight: 700;
  color: #667eea;
  min-width: 150px;
}

.history-content {
  flex: 1;
}

.history-description {
  font-size: 1.5rem;
  line-height: 1.8;
  color: #555;
}

/* アニメーション */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .concept-hero {
    height: 400px;
  }
  
  .concept-hero-title {
    font-size: 2.5rem;
  }
  
  .concept-hero-subtitle {
    font-size: 1.3rem;
  }
  
  .section-title-concept,
  .section-title-concept-white {
    font-size: 2.2rem;
  }
  
  .mission-title {
    font-size: 2.2rem;
  }
  
  .values-grid,
  .solution-grid {
    grid-template-columns: 1fr;
  }
  
  .problem-item {
    flex-direction: column;
    gap: 15px;
  }
  
  .problem-number {
    font-size: 2rem;
  }
  
  .message-content {
    padding: 30px 20px;
  }
  
  .concept-cta-title {
    font-size: 2.5rem;
  }
  
  .concept-cta-button {
    padding: 18px 40px;
    font-size: 1.4rem;
  }
  
  .history-item {
    flex-direction: column;
    gap: 15px;
  }
}