/* CHERIE RISE ウェブサイト スタイルシート */

/* 基本設定 */
:root {
  /* カラースキーム - クール・高級感・プロフェッショナル */
  --primary-color: #1a1a2e; /* ダークネイビー - 背景色 */
  --secondary-color: #16213e; /* ミッドナイトブルー - セクション背景 */
  --accent-color: #0f3460; /* ディープブルー - アクセント */
  --highlight-color: #4a6fa5; /* スチールブルー - ハイライト */
  --text-color: #e6e6e6; /* ライトグレー - 基本テキスト */
  --light-text: #ffffff; /* 白 - 明るい背景上のテキスト */
  --dark-text: #1a1a2e; /* ダークネイビー - 暗い背景上のテキスト */
  --border-color: rgba(255, 255, 255, 0.1); /* 半透明白 - 境界線 */
  --overlay-color: rgba(10, 15, 30, 0.7); /* 半透明ダークブルー - オーバーレイ */
  
  /* フォント */
  --heading-font: 'Montserrat', sans-serif;
  --body-font: 'Noto Sans JP', 'Roboto', sans-serif;
  
  /* アニメーション */
  --transition-speed: 0.3s;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  background-color: var(--primary-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

a {
  color: var(--highlight-color);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover {
  color: var(--text-color);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  text-align: center;
  position: relative;
}

.section-title:after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: var(--highlight-color);
}

/* ヘッダー */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: background-color var(--transition-speed) ease, padding var(--transition-speed) ease;
}

.header.scrolled {
  background-color: var(--primary-color);
  padding: 1rem 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

.logo {
  height: 40px;
  transition: height var(--transition-speed) ease;
}

.scrolled .logo {
  height: 35px;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: 2rem;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  position: relative;
  padding-bottom: 0.5rem;
}

.nav-link:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--highlight-color);
  transition: width var(--transition-speed) ease;
}

.nav-link:hover:after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger .bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--text-color);
  transition: all 0.3s ease-in-out;
}

.hamburger.active .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ヒーローセクション */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
}

.hero-carousel {
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.carousel-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}

.carousel-item.active {
  opacity: 1;
}

.carousel-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-color);
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 80%;
  max-width: 800px;
  z-index: 1;
}

.logo-hero {
  height: 130px;
  margin-bottom: 0.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards 0.5s;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards 0.5s;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards 0.8s;
}

.hero-philosophy {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards 1.1s;
}

.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background-color: var(--highlight-color);
  color: var(--light-text);
  border: none;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards 1.4s;
}

.btn:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
  color: var(--light-text);
}

/* カルーセルコントロール */
.carousel-controls {
  position: absolute;
  bottom: 0px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
}

.carousel-prev,
.carousel-next {
  background: none;
  border: none;
  color: var(--light-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 10px;
  opacity: 0.7;
  transition: opacity var(--transition-speed) ease;
}

.carousel-prev:hover,
.carousel-next:hover {
  opacity: 1;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  margin: 0 15px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  margin: 0 6px;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease;
}

.dot.active {
  background-color: var(--light-text);
}

/* スクロールダウンボタン */
.scroll-down {
  position: absolute;
  bottom: 35px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--light-text);
  font-size: 0.9rem;
  letter-spacing: 1px;
  opacity: 0.7;
  transition: opacity var(--transition-speed) ease;
  z-index: 5;
}

.scroll-down:hover {
  opacity: 1;
  color: var(--light-text);
}

.scroll-down i {
  margin-top: 8px;
  font-size: 1.2rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}


/* サービスセクション */
.services {
  background-color: var(--primary-color);
}

.services-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 2.5rem;
  text-align: center;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  opacity: 0;
  transform: translateY(30px);
}

.service-card.fade-in {
  animation: fadeInUp 1s forwards;
}

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

.service-icon {
  font-size: 3rem;
  color: var(--highlight-color);
  margin-bottom: 1.5rem;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-description {
  color: var(--text-color);
  font-size: 1rem;
}

/* 研修コースセクション */
.courses {
  background-color: var(--primary-color);
}

.courses-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
}

.course-card {
  background-color: var(--secondary-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-speed) ease;
  opacity: 0;
  transform: translateY(30px);
}

.course-card.fade-in {
  animation: fadeInUp 1s forwards;
}

.course-card:hover {
  transform: translateY(-10px);
}

.course-header {
  background-color: var(--accent-color);
  padding: 1.5rem;
  text-align: center;
}

.course-title {
  font-size: 1.5rem;
  color: var(--light-text);
}

.course-content {
  padding: 2rem;
}

.course-description {
  margin-bottom: 1.5rem;
}

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

.course-detail {
  display: flex;
  align-items: center;
}

.course-detail-icon {
  color: var(--highlight-color);
  margin-right: 0.5rem;
  font-size: 1.2rem;
}

.course-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--highlight-color);
  margin-top: 1.5rem;
  text-align: center;
}

/* 企業理念セクション */
.philosophy {
  background-color: var(--accent-color);
  text-align: center;
}

.philosophy-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.philosophy-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 2.5rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
  opacity: 0;
  transform: translateY(50px);
  position: relative;
  overflow: hidden;
  height: 330px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.philosophy-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background-color: var(--highlight-color);
  transition: height 0.5s ease 0.3s;
}

.philosophy-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.philosophy-item.visible::before {
  height: 100%;
}

.philosophy-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.philosophy-title {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--highlight-color);
  position: relative;
  display: inline-block;
}

.philosophy-title::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--highlight-color);
  transition: width 0.5s ease 0.5s;
}

.philosophy-item.visible .philosophy-title::after {
  width: 100%;
}

.philosophy-description {
  color: var(--text-color);
}

.philosophy-icon {
  font-size: 2.5rem;
  color: var(--light-text);
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease;
}

.philosophy-item:hover .philosophy-icon {
  transform: scale(1.3);
}

/* 会社概要セクション */
.company {
  background-color: var(--secondary-color);
}

.company-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.company-info {
  opacity: 0;
  transform: translateY(30px);
}

.company-info.fade-in {
  animation: fadeInUp 1s forwards;
}

.company-details {
  list-style: none;
}

.company-detail {
  display: flex;
  margin-bottom: 1.5rem;
}

.company-detail-label {
  font-weight: 700;
  width: 120px;
  color: var(--highlight-color);
}

.company-map {
  border-radius: 10px;
  overflow: hidden;
  height: 400px;
  opacity: 0;
  transform: translateY(30px);
}

.company-map.fade-in {
  animation: fadeInUp 1s forwards 0.3s;
}

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

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(30px);
}

.contact-form.fade-in {
  animation: fadeInUp 1s forwards;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-color);
  border-radius: 5px;
  font-family: var(--body-font);
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--highlight-color);
  box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.submit-btn {
  background-color: var(--highlight-color);
  color: var(--light-text);
  border: none;
  padding: 1rem 2rem;
  border-radius: 5px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease;
  width: 100%;
}

.submit-btn:hover {
  background-color: var(--accent-color);
}

/* フッター */
.footer {
  background-color: var(--primary-color);
  padding: 4rem 0 2rem;
  text-align: center;
}

.footer-logo {
  height: 50px;
  margin-bottom: 2rem;
}

.footer-nav {
  display: flex;
  justify-content: center;
  list-style: none;
  margin-bottom: 2rem;
}

.footer-nav-item {
  margin: 0 1rem;
}

.footer-nav-link {
  color: var(--text-color);
  transition: color var(--transition-speed) ease;
}

.footer-nav-link:hover {
  color: var(--highlight-color);
}

.social-links {
  display: flex;
  justify-content: center;
  list-style: none;
  margin-bottom: 2rem;
}

.social-item {
  margin: 0 0.5rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--text-color);
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.social-link:hover {
  background-color: var(--highlight-color);
  color: var(--light-text);
}

.copyright {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

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

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* レスポンシブデザイン */
@media (max-width: 992px) {
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .hero-philosophy {
    font-size: 2rem;
  }
  
  .company-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .company-map {
    height: 300px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--primary-color);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: right var(--transition-speed) ease;
    z-index: 1001;
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-item {
    margin: 1.5rem 0;
  }
  
  .hamburger {
    display: block;
    z-index: 1002;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-philosophy {
    font-size: 1.5rem;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .courses-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-philosophy {
    font-size: 1.2rem;
  }
  
  .btn {
    padding: 0.8rem 2rem;
  }
  
  .services-container {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
}