/* ========================================
   CSS Variables - カラーパレット
======================================== */
:root {
  /* メインカラー */
  --primary-color: #2B7A8B;
  --primary-light: #A3D5E8;
  --primary-dark: #1B5E6F;
  
  /* アクセントカラー */
  --accent-yellow: #FFD54F;
  --accent-red: #E74C3C;
  --accent-blue: #3498DB;
  --accent-purple: #667eea;
  
  /* 背景カラー */
  --bg-light: #F8F9FA;
  --bg-hero: linear-gradient(135deg, #E8EAED 0%, #D5E3E8 100%);
  --bg-contact: linear-gradient(135deg, #E8EAED 0%, #D5E3E8 100%);
  
  /* テキストカラー */
  --text-primary: #2C3E50;
  --text-secondary: #555;
  --text-light: #666;
  --text-muted: #999;
  
  /* モバイル動画LP用カラー */
  --mobile-text-color: #ffffff;
  --mobile-text-light: rgba(255, 255, 255, 0.7);
  --mobile-text-muted: rgba(255, 255, 255, 0.6);
  --mobile-highlight: #FFD54F;
  --mobile-case1-bg: linear-gradient(135deg, rgba(43, 122, 139, 0.3) 0%, rgba(27, 94, 111, 0.3) 100%);
  --mobile-case2-bg: linear-gradient(135deg, rgba(27, 94, 111, 0.3) 0%, rgba(13, 58, 71, 0.3) 100%);
  --mobile-case-title: rgba(163, 213, 232, 0.9);
  --mobile-overlay: rgba(0, 0, 0, 0.4);
  --mobile-pagination-bg: rgba(0, 0, 0, 0.5);
  --mobile-dot-inactive: rgba(255, 255, 255, 0.4);
  --mobile-dot-hover: rgba(255, 255, 255, 0.6);
  --mobile-dot-active: #ffffff;
  
  /* その他 */
  --white: #ffffff;
  --border-color: #E0E0E0;
  
  /* フォント */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Yu Gothic UI', sans-serif;
  
  /* スペーシング */
  --section-padding: 5rem 0;
  --container-max-width: 1200px;
}

/* ========================================
   リセット & ベーススタイル
======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  line-height: 1.7;
  color: var(--text-primary);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ========================================
   コンテナ
======================================== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   ヘッダー
======================================== */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  z-index: 100;
  padding: 1rem 0;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--text-primary);
}

.logo a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
}

.logo-image {
  height: 40px;
  width: auto;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: bold;
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.3s;
}

.nav a:hover {
  color: var(--primary-color);
}

.nav-cta {
  background: var(--accent-blue);
  color: var(--white) !important;
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ========================================
   セクション共通
======================================== */
section {
  padding: var(--section-padding);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 3rem;
}

/* ========================================
   ヒーローセクション
======================================== */
.hero {
  padding: 8rem 0;
  background-image: url('../images/hero/hero.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  max-width: 1000px;
  text-align: center;
}

.hero-content-box {
  /* ボックススタイル削除 */
  padding: 3rem;
}

.hero-subtitle {
  font-size: 0.9rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  color: var(--white);
}

.hero-title {
  font-size: 2.8rem;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.hero-title-line {
  white-space: nowrap;
}

.highlight {
  background: var(--accent-yellow);
  color: var(--primary-dark);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.hero-description {
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.8;
  color: var(--white);
}

.hero-description strong {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: var(--white);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--white);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--primary-light);
  box-shadow: 0 10px 30px rgba(43, 122, 139, 0.1);
}

.placeholder-text {
  font-size: 5rem;
  margin-bottom: 1rem;
}

.image-placeholder p {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--text-primary);
  text-align: center;
  line-height: 1.4;
}

.image-placeholder small {
  font-size: 0.9rem;
  font-weight: normal;
  color: var(--text-light);
}

/* ========================================
   ボタン
======================================== */
.btn {
  padding: 1rem 2rem;
  border-radius: 30px;
  font-weight: bold;
  transition: transform 0.3s, box-shadow 0.3s;
  display: inline-block;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary {
  background: var(--accent-blue);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-large {
  font-size: 1.2rem;
  padding: 1.2rem 3rem;
  background: var(--accent-blue);
  color: var(--white);
  display: block;
  margin: 2rem auto;
  max-width: 400px;
}

/* ========================================
   プロフィールセクション
======================================== */
.profile {
  background: var(--bg-light);
}

.profile-content {
  display: flex;
  gap: 4rem;
  margin-top: 3rem;
  align-items: flex-start;
}

.profile-image {
  flex: 0 0 300px;
}

.profile-image img {
  width: 300px;
  height: 300px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.profile-image .image-placeholder {
  width: 300px;
  height: 300px;
  background: var(--white);
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.profile-image .placeholder-text {
  font-size: 6rem;
}

.profile-text {
  flex: 1;
}

.profile-name {
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.profile-kana {
  font-size: 1rem;
  color: var(--text-light);
  font-weight: normal;
  margin-left: 0.5rem;
}

.profile-title {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 2rem;
  font-weight: bold;
}

.profile-description p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.profile-message {
  background: transparent;
  padding: 2.5rem 0;
  margin-top: 2rem;
}

.profile-message p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.9;
}

.profile-catchphrase {
  color: var(--text-primary);
  font-size: 1.6rem;
  line-height: 1.8;
  font-weight: normal;
  background: var(--accent-yellow);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  display: inline-block;
}

/* ========================================
   選ばれる理由セクション
======================================== */
.reasons {
  background: var(--bg-light);
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.reason-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s;
}

.reason-card:hover {
  transform: translateY(-5px);
}

.reason-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
}

.reason-icon img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.reason-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.reason-card p {
  color: var(--text-light);
  line-height: 1.8;
}

/* ========================================
   実績数値セクション
======================================== */
.stats {
  background: var(--bg-light);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.stat-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.stat-number {
  font-size: 3.5rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.stat-note {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ========================================
   過去実績セクション
======================================== */
.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.result-card {
  background: var(--white);
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.result-header {
  margin-bottom: 1.5rem;
}

.badge {
  display: inline-block;
  background: linear-gradient(135deg, #8a3ab9, #e95950, #fccc63);
  color: var(--white);
  padding: 0.3rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  box-shadow: 0 2px 8px rgba(138, 58, 185, 0.3);
}

.result-header h3 {
  font-size: 1.3rem;
  color: var(--text-primary);
}

.result-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.result-stats.single {
  justify-content: center;
}

.result-stat {
  flex: 1;
  text-align: center;
}

.result-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--accent-red);
  margin-bottom: 0.5rem;
}

.result-label {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 0.3rem;
}

.result-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.result-note.highlight-text {
  color: var(--accent-red);
  font-weight: bold;
}

.result-divider {
  width: 1px;
  background: var(--border-color);
}

.result-footer {
  background: #FFF3CD;
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  font-weight: bold;
  color: #856404;
}

/* ========================================
   プラットフォームセクション
======================================== */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.platform-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.platform-icon {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
}

.platform-icon img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.platform-card h3 {
  text-align: center;
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.platform-card ul {
  list-style: none;
  padding: 0;
}

.platform-card li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.platform-card li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.platforms-note {
  text-align: center;
  margin-top: 2rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

/* ========================================
   お問い合わせセクション
======================================== */
.contact {
  background: var(--bg-contact);
  color: var(--primary-dark);
}

.contact .section-title {
  color: inherit;
}

.contact-description {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 3rem;
  opacity: 0.85;
}

.contact-box {
  background: var(--white);
  color: var(--text-primary);
  padding: 3rem;
  border-radius: 20px;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.contact-box h3 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.contact-list {
  list-style: none;
  margin-bottom: 2rem;
}

.contact-list li {
  padding: 0.8rem 0;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.contact-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ========================================
   フッター
======================================== */
.footer {
  background: var(--text-primary);
  color: var(--white);
  padding: 2rem 0;
  text-align: center;
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--white);
  font-size: 0.9rem;
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.footer-links a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ========================================
   フロートボタン
======================================== */
.float-button {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--accent-blue);
  color: var(--white);
  padding: 1rem 1.5rem;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 20px rgba(52, 152, 219, 0.4);
  transition: all 0.3s;
  z-index: 1000;
  font-weight: bold;
  text-decoration: none;
}

.float-button:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(52, 152, 219, 0.6);
}

.float-icon {
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.float-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.float-text {
  font-size: 1rem;
}

/* ========================================
   PC版コンテンツ（デフォルト表示）
======================================== */
.desktop-content {
  display: block;
}