/* ========== VARIABLES & RESET ========== */
:root {
  --color-primary: #00a0e9;
  --color-secondary: #37b24d;
  --color-accent: #f76707;
  --color-dark: #121212;
  --color-light: #f8f9fa;
  --color-gray: #6c757d;
  --color-text: #212529;
  --color-text-light: #868e96;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-background: #f5f5f7;
  
  --font-primary: 'Noto Sans JP', sans-serif;
  --font-heading: 'Poppins', sans-serif;
  
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s cubic-bezier(0.33, 1, 0.68, 1);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.15);

  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  
  --container-width: 120rem;
  --header-height: 8rem;
  --header-height-scrolled: 6rem;
}

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

html {
  font-size: 62.5%; /* 1rem = 10px */
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
  list-style: none;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  outline: none;
  transition: var(--transition-fast);
}

/* ========== LAYOUT & CONTAINERS ========== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
  position: relative;
}

/* ========== PRELOADER ========== */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-white);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.preloader-hidden {
  opacity: 0;
  visibility: hidden;
}

.loader {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.loader-logo {
  font-family: var(--font-heading);
  font-size: 5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeIn 0.6s ease forwards 0.3s;
}

.loader-bar {
  width: 15rem;
  height: 0.3rem;
  background-color: var(--color-light);
  position: relative;
  overflow: hidden;
  border-radius: 3rem;
}

.loader-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background-color: var(--color-primary);
  animation: loadBar 2s ease infinite;
}

@keyframes loadBar {
  0% { width: 0; }
  50% { width: 100%; }
  100% { width: 0; left: 100%; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== CUSTOM CURSOR ========== */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9999;
  transition: transform 0.1s ease, opacity 0.3s ease;
}

.cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-primary);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 9998;
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease, height 0.3s ease;
}

.cursor.active {
  transform: translate(-50%, -50%) scale(1.5);
  background-color: var(--color-white);
}

.cursor-follower.active {
  transform: translate(-50%, -50%) scale(0.5);
  opacity: 0.6;
}

/* Hide custom cursor on touch devices */
@media (pointer: coarse) {
  .cursor, .cursor-follower {
    display: none;
  }
}
/* ========== HEADER & NAVIGATION ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 2rem 0;
  transition: var(--transition-medium);
  background-color: rgba(255, 255, 255, 0.85); /* 半透明の白背景を追加 */
  backdrop-filter: blur(5px); /* モダンなぼかし効果を追加 */
}

.header.scrolled {
  background-color: var(--color-white);
  padding: var(--space-sm) 0;
  box-shadow: var(--shadow-md);
}

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

.logo {
  width: 12rem;
  z-index: 1001;
  transition: var(--transition-fast);
  /* background-color: rgba(255, 255, 255, 0.8); */
  padding: 5px;
  border-radius: var(--border-radius-sm);
}

.logo-img {
  width: 100%;
  height: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-menu li {
  margin-left: var(--space-md);
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-dark); /* 白から暗い色に変更 */
  position: relative;
  padding: var(--space-xs) 0;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
}
.header.scrolled .nav-link {
  color: var(--color-dark);
}

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

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

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 3rem;
  height: 2.2rem;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 0.2rem;
  background-color: var(--color-dark);
  transition: var(--transition-fast);
}

.header.scrolled .menu-toggle span {
  background-color: var(--color-dark);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* ========== HERO SECTION ========== */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  background-color: var(--color-dark);
}

.hero-slider {
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.hero-slide.active {
  opacity: 1;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.7;
  transform: scale(1.1);
  transition: transform 7s ease;
}

.hero-slide.active .hero-image img {
  transform: scale(1);
}

.hero-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.3));
  z-index: 2;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 80rem;
  text-align: center;
  color: var(--color-white);
  z-index: 3;
  padding: 0 var(--space-md);
}

.hero-text h1 {
  font-size: 7rem;
  font-weight: 700;
  letter-spacing: 0.5rem;
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.hero-text h1 span {
  color: var(--color-primary);
}

.hero-text p {
  font-size: 2.2rem;
  font-weight: 300;
  margin-bottom: var(--space-lg);
  overflow: hidden;
}

.reveal-text {
  position: relative;
  overflow: hidden;
}

.reveal-text::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-primary);
  transform: translateX(-100%);
  animation: revealText 1.5s forwards;
}

@keyframes revealText {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(100%);
  }
}

.hero-btn {
  opacity: 0;
  animation: fadeInUp 1s forwards 1.2s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 3rem;
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.1rem;
  text-transform: uppercase;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255,255,255,0.1);
  transform: translateX(-100%) rotate(45deg);
  transition: var(--transition-medium);
  z-index: -1;
}

.btn:hover::before {
  transform: translateX(100%) rotate(45deg);
}

.btn i {
  margin-left: var(--space-sm);
  transition: var(--transition-fast);
}

.btn:hover i {
  transform: translateX(5px);
}

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

.btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

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

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

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

.btn-light:hover {
  background-color: transparent;
  color: var(--color-white);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-white);
  font-size: 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 3;
  opacity: 0;
  animation: fadeIn 1s forwards 2s;
}

.scroll-icon {
  width: 3rem;
  height: 5rem;
  border: 2px solid var(--color-white);
  border-radius: 2rem;
  margin-bottom: var(--space-xs);
  display: flex;
  justify-content: center;
  padding-top: var(--space-xs);
}

.scroll-wheel {
  width: 0.8rem;
  height: 0.8rem;
  background-color: var(--color-white);
  border-radius: 50%;
  animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(2rem);
    opacity: 0;
  }
}


/* ========== SECTION STYLES ========== */
.section-intro {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.2rem;
  margin-bottom: var(--space-sm);
  position: relative;
}

.section-tag::before,
.section-tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 3rem;
  height: 1px;
  background-color: var(--color-primary);
}

.section-tag::before {
  left: -5rem;
}

.section-tag::after {
  right: -5rem;
}

.section-title {
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
}

/* ========== ABOUT SECTION ========== */
.about {
  background-color: var(--color-background);
}

.about-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  align-items: center;
}

.about-text {
  padding-right: var(--space-lg);
}

.paragraph-large {
  font-size: 2.2rem;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: var(--space-md);
  color: var(--color-dark);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-md);
}

.btn-text i {
  margin-left: var(--space-xs);
  transition: var(--transition-fast);
}

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

.btn-text:hover i {
  transform: translateX(5px);
}

.about-image {
  position: relative;
}

.image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
}

.image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.image-wrapper:hover img {
  transform: scale(1.05);
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.image-wrapper:hover .image-overlay {
  opacity: 1;
}

/* ========== SERVICES SECTION ========== */
.services {
  position: relative;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(28rem, 1fr));
  gap: var(--space-lg);
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.5s cubic-bezier(.25,.75,.5,1.25), box-shadow 0.5s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-image {
  height: 25rem;
  position: relative;
  overflow: hidden;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .service-image img {
  transform: scale(1.1);
}

.service-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
}

.service-content {
  padding: var(--space-md);
}

.service-content h3 {
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
}

.service-content p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.service-link {
  display: inline-flex;
  align-items: center;
  font-weight: 500;
  color: var(--color-primary);
}

.service-link i {
  margin-left: var(--space-xs);
  transition: transform 0.3s ease;
}

.service-link:hover {
  color: var(--color-accent);
}

.service-link:hover i {
  transform: translateX(5px);
}

/* ========== PROJECTS SECTION ========== */
.projects {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.projects .section-title {
  color: var(--color-white);
}

.projects-slider {
  position: relative;
  margin-top: var(--space-lg);
}

.projects-slide {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.project-image {
  height: 45rem;
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.projects-slide:hover .project-image img {
  transform: scale(1.05);
}

.project-info {
  padding: var(--space-lg);
}

.project-category {
  display: inline-block;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  margin-bottom: var(--space-sm);
}

.project-title {
  font-size: 3.2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.project-description {
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.project-link {
  display: inline-flex;
  align-items: center;
  padding: 1.2rem 2.4rem;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-white);
  background-color: transparent;
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-medium);
}

.project-link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.projects-controls {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.prev-btn,
.next-btn {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.1);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.prev-btn:hover,
.next-btn:hover {
  background-color: var(--color-primary);
}


/* ========== NEWS SECTION ========== */
.news {
  background-color: var(--color-white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(35rem, 1fr));
  gap: var(--space-lg);
}

.news-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.5s cubic-bezier(.25,.75,.5,1.25), box-shadow 0.5s ease;
}

.news-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.news-link {
  display: block;
}

.news-image {
  position: relative;
  height: 25rem;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.news-card:hover .news-image img {
  transform: scale(1.1);
}

.news-date {
  position: absolute;
  bottom: 0;
  left: 0;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-top-right-radius: var(--border-radius-sm);
  text-align: center;
}

.news-date .day {
  display: block;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
}

.news-date .month-year {
  display: block;
  font-size: 1.2rem;
  font-weight: 500;
  margin-top: 0.2rem;
}

.news-content {
  padding: var(--space-md);
}

.news-content h3 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.news-content p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.read-more {
  display: inline-flex;
  align-items: center;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
}

.read-more i {
  margin-left: var(--space-xs);
  transition: transform 0.3s ease;
}

.news-card:hover .read-more {
  color: var(--color-accent);
}

.news-card:hover .read-more i {
  transform: translateX(5px);
}

.news-more {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ========== CONTACT CTA ========== */
.contact-cta {
  position: relative;
  overflow: hidden;
  padding: var(--space-xl) 0;
}

.cta-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
  opacity: 0.9;
}

.cta-content {
  max-width: 60rem;
  margin: 0 auto;
  text-align: center;
  color: var(--color-white);
}

.cta-content h2 {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.cta-content p {
  font-size: 1.8rem;
  margin-bottom: var(--space-lg);
}

/* ========== FOOTER ========== */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

/* フッターロゴに白背景を追加 */
.footer-logo {
  max-width: 15rem;
  margin-bottom: var(--space-md);
  background-color: var(--color-white);
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  display: inline-block;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-nav a {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: var(--transition-fast);
}

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

.footer-social {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.1);
  color: var(--color-white);
  transition: var(--transition-fast);
}

.social-link:hover {
  background-color: var(--color-primary);
  transform: translateY(-5px);
}

.footer-middle {
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-lg) 0;
  margin-bottom: var(--space-lg);
}

.company-info {
  max-width: 50rem;
}

.company-info p {
  font-size: 1.4rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 1.4rem;
  color: var(--color-text-light);
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  font-size: 1.4rem;
  color: var(--color-text-light);
  transition: var(--transition-fast);
}

.back-to-top i {
  margin-left: var(--space-xs);
  transition: var(--transition-fast);
}

.back-to-top:hover {
  color: var(--color-white);
}

.back-to-top:hover i {
  transform: translateY(-5px);
}

/* ========== PAGE BANNER ========== */
.page-banner {
  height: 30rem;
  background-color: var(--color-dark);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: var(--header-height);
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
  opacity: 0.8;
}

.page-banner h1 {
  font-size: 4.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  position: relative;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  position: relative;
}

.breadcrumb-item {
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--color-white);
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  margin: 0 var(--space-xs);
}

.breadcrumb-item a {
  color: var(--color-white);
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

.breadcrumb-item.active {
  opacity: 0.7;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 1200px) {
  .hero-text h1 {
    font-size: 6rem;
  }
}

@media (max-width: 992px) {
  html {
    font-size: 56.25%; /* 9px */
  }

  .about-content,
  .projects-slide {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .about-text {
    padding-right: 0;
  }

  .project-image {
    height: 35rem;
  }

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

  .footer-social {
    justify-content: flex-start;
    margin-top: var(--space-md);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 50%; /* 8px */
  }

  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
    z-index: 1000;
  }

  .nav-menu.active {
    right: 0;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
  }

  .nav-menu li {
    margin: var(--space-md) 0;
  }

  .nav-link {
    color: var(--color-dark);
    font-size: 2rem;
  }

  .hero-text h1 {
    font-size: 5rem;
  }

  .hero-text p {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 3.5rem;
  }

  .cta-content h2 {
    font-size: 3.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer-nav ul {
    justify-content: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
  }
}

@media (max-width: 576px) {
  .hero-text h1 {
    font-size: 4rem;
  }

  .section {
    padding: var(--space-lg) 0;
  }

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

  .project-info {
    padding: var(--space-md) 0;
  }

  .project-title {
    font-size: 2.8rem;
  }

  .page-banner {
    height: 25rem;
  }

  .page-banner h1 {
    font-size: 3.5rem;
  }
}

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Poppins:wght@300;400;500;600;700&display=swap');

/* ========== PROJECTS SECTION - IMPROVED LAYOUT ========== */
.projects {
  background-color: var(--color-dark);
  color: var(--color-white);
  position: relative;
  padding: var(--space-xl) 0;
}

.projects .container {
  max-width: 1400px; /* より広いコンテナを使用 */
}

.projects .section-intro {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.projects .section-title {
  color: var(--color-white);
}

.projects-slider-wrapper {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.projects-slider {
  position: relative;
  width: 100%;
  height: 500px; /* 一定の高さを設定 */
  overflow: hidden;
}

.projects-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
  display: flex;
  justify-content: center;
  align-items: center;
}

.projects-slide.active {
  opacity: 1;
  visibility: visible;
}

.project-card {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  background-color: rgba(30, 30, 30, 0.7);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.project-header {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.project-category {
  display: inline-block;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  background-color: rgba(0, 160, 233, 0.1);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
}

.project-content {
  display: flex;
  align-items: center;
  padding: var(--space-lg);
  gap: var(--space-xl);
}

.project-image {
  flex: 1;
  height: 350px;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-white);
  line-height: 1.3;
}

.project-description {
  font-size: 1.6rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.project-info .btn-outline {
  align-self: flex-start;
  color: var(--color-white);
  border: 2px solid var(--color-primary);
  padding: 1.2rem 2.4rem;
  font-size: 1.5rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.project-info .btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.project-info .btn-outline i {
  margin-left: var(--space-sm);
  transition: transform 0.3s ease;
}

.project-info .btn-outline:hover i {
  transform: translateX(5px);
}

/* スライダーコントロール */
.slider-controls {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--space-lg);
  gap: var(--space-lg);
}

.slider-btn {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}

.slider-btn:hover {
  background-color: var(--color-primary);
  transform: translateY(-3px);
}

.slider-indicators {
  display: flex;
  gap: var(--space-sm);
}

.slider-dot {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-dot.active {
  background-color: var(--color-primary);
  transform: scale(1.2);
}

/* レスポンシブ対応 */
@media (max-width: 1200px) {
  .project-content {
    gap: var(--space-lg);
  }
  
  .project-title {
    font-size: 2.6rem;
  }
  
  .project-image {
    height: 300px;
  }
}

@media (max-width: 992px) {
  .projects-slider {
    height: auto;
  }
  
  .projects-slide {
    position: relative;
    height: auto;
  }
  
  .project-content {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .project-image {
    width: 100%;
    height: 300px;
  }
  
  .project-info {
    width: 100%;
    text-align: center;
  }
  
  .project-info .btn-outline {
    align-self: center;
  }
}

@media (max-width: 768px) {
  .project-header {
    text-align: center;
  }
  
  .project-title {
    font-size: 2.4rem;
  }
  
  .project-description {
    font-size: 1.5rem;
  }
  
  .slider-controls {
    gap: var(--space-md);
  }
  
  .slider-btn {
    width: 4.5rem;
    height: 4.5rem;
  }

    /* プロジェクトスライダーコンテナのスタイル */
  .projects-slider-container {
    width: 100%;
    overflow: hidden;
  }
  
  /* スライダー全体の調整 */
  .projects-slider {
    position: relative;
    width: 100%;
    height: auto !important; /* 高さを自動調整に変更 */
    overflow: visible;
  }
  
  /* スライド1つあたりのスタイル */
  .projects-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto !important; /* 高さを自動調整に変更 */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    transform: none !important; /* 変形をリセット */
  }
  
  /* アクティブスライドのスタイル */
  .projects-slide.active {
    position: relative;
    opacity: 1;
    visibility: visible;
    display: block;
  }
  
  /* スライド内のコンテンツ調整 */
  .project-content {
    flex-direction: column !important; /* 強制的に縦並びに */
    gap: 2rem;
  }
  
  /* 画像とテキストの配置 */
  .project-image, 
  .project-info {
    width: 100%;
    padding: 0;
  }
  
  /* 画像の高さ調整 */
  .project-image {
    height: 250px;
    margin-bottom: 1rem;
  }
  
  /* テキスト部分の中央揃え */
  .project-info {
    text-align: center;
  }
  
  /* プロジェクトタイトルとディスクリプション */
  .project-title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
  }
  
  .project-description {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  /* ボタンを中央に */
  .project-link {
    display: inline-block;
    margin: 0 auto;
  }
  
  /* スライドコントロール調整 */
  .slider-controls {
    margin-top: 2rem;
  }
}

@media (max-width: 576px) {
  .project-image {
    height: 220px;
  }
  
  .project-content {
    padding: var(--space-md);
  }
  
  .project-title {
    font-size: 2.2rem;
  }
}