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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: #2c2c2c;
  line-height: 1.8;
  background: #fafafa;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Navigation ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.05rem;
  font-weight: 900;
  color: #2a4070;
  text-decoration: none;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: #555;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #4a9eed;
}

/* ========== Hero ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #e8f4fd 0%, #d0e8ff 50%, #c4dfff 100%);
  padding-top: 56px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: 0.45;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #4a9eed;
  background: rgba(74, 158, 237, 0.1);
  padding: 6px 20px;
  border-radius: 100px;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2rem, 7vw, 3.6rem);
  font-weight: 900;
  color: #1a2744;
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  color: #5a6a80;
  font-weight: 400;
  letter-spacing: 0.08em;
  margin-bottom: 36px;
}

.hero-cta {
  display: inline-block;
  background: #4a9eed;
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 14px 40px;
  border-radius: 100px;
  letter-spacing: 0.08em;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(74, 158, 237, 0.3);
}

.hero-cta:hover {
  background: #3a8ddd;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(74, 158, 237, 0.4);
}

/* ========== Section Common ========== */
.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: 0.1em;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: #4a9eed;
  margin: 12px auto 0;
  border-radius: 2px;
}

/* ========== About ========== */
.about {
  padding: 100px 0;
  background: #fff;
}

.about-text {
  text-align: center;
  font-size: 1.05rem;
  color: #555;
  margin-bottom: 20px;
  line-height: 2;
}

.about-text:last-child {
  margin-bottom: 0;
}

/* ========== Service ========== */
.service {
  padding: 100px 0;
  background: #f5f8fc;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.service-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.service-img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 16px;
  border-radius: 50%;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #2a4070;
}

.service-card p {
  font-size: 0.88rem;
  color: #666;
  line-height: 1.7;
}

/* ========== Works ========== */
.works {
  padding: 100px 0;
  background: #fff;
}

.coming-soon {
  text-align: center;
  padding: 60px 20px;
  border: 2px dashed #d0d5dd;
  border-radius: 12px;
  color: #999;
}

.coming-soon p {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.coming-soon span {
  font-size: 0.9rem;
}

/* ========== Footer ========== */
.footer {
  padding: 40px 0;
  background: #1a2744;
  color: #fff;
  text-align: center;
}

.footer-links {
  margin-bottom: 16px;
}

.x-link {
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.x-link:hover {
  opacity: 1;
}

.copyright {
  font-size: 0.8rem;
  opacity: 0.5;
}

/* ========== Responsive ========== */
@media (max-width: 600px) {
  .about-text br {
    display: none;
  }

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

  .hero-bg {
    height: 40%;
  }

  .nav-links {
    gap: 16px;
  }

  .nav-links a {
    font-size: 0.8rem;
  }
}

@media (max-width: 400px) {
  .service-grid {
    grid-template-columns: 1fr;
  }
}