.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 88px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background-color: #ffffff;
}

.logo-block {
  width: 346px;
  height: 88px;
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 25px;
}

.logo-block img {
  width: 280px;
  height: auto;
  cursor: pointer;
}

.navbar-block {
  flex: 1;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 40px;
  padding-right: 60px;
}

.navbar {
  display: flex;
  align-items: center;
  height: 40px;
}

.navbar ul {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.navbar ul li {
  list-style: none;
}

.navbar ul li a {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #4a4459;
  line-height: 28px;
  text-decoration: none;
  transition: color 0.3s ease;
}

.navbar ul li:first-child a {
  font-family: "Inter", sans-serif;
  font-weight: 500;
}

.navbar ul li a:hover {
  color: #2b39d5;

  text-decoration-line: underline;
  text-decoration-style: solid;
  text-decoration-skip-ink: auto;
  text-decoration-thickness: auto;
  text-underline-offset: auto;
  text-underline-position: from-font;
}

.navbar ul li a.active {
  text-decoration-line: underline;
}

.contact-button {
  background-color: #e6ff25;
  border-radius: 20px;
  padding: 6px 22px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  font-weight: 500;
  color: #4a4459;
  text-decoration: none;
  display: inline-block;
  transition: background-color 0.3s ease;
}

.contact-button:hover {
  background-color: #d4ed1a;
}

.language-block {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #4a4459;
  line-height: 28px;
}

.language-block a {
  color: #4a4459;
  text-decoration: none;
  transition: color 0.3s ease;
}

.language-block a:hover {
  color: #2b39d5;
}

.language-block .separator {
  color: #4a4459;
  font-family: "Inter", sans-serif;
  font-size: 16px;
  letter-spacing: 3.2px;
}

.hamburger-menu {
  display: none;
}

@media (max-width: 1300px) {
  .navbar-block {
    display: none;
  }

  .hamburger-menu {
    display: block;
    background: #2b39d5;
    width: 64px;
    height: 64px;
    min-width: 64px;
    min-height: 64px;
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.3s ease;
  }

  .hamburger-menu:hover {
    background: #1e2a9e;
  }

  .hamburger-menu .line1,
  .hamburger-menu .line2 {
    position: absolute;
    background: white;
    border: 1px solid white;
    height: 3px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    transition: all 0.3s ease;
  }

  .hamburger-menu .line3 {
    position: absolute;
    background: white;
    border: 1px solid white;
    height: 3px;
    left: 50%;
    transform: translateX(-12px);
    width: 19px;
    transition: all 0.3s ease;
  }

  .hamburger-menu .line1 {
    top: 22px;
  }

  .hamburger-menu .line2 {
    top: 30px;
  }

  .hamburger-menu .line3 {
    top: 38px;
  }

  .header {
    height: 64px;
  }

  .logo-block {
    height: 64px;
    width: auto;
    padding-left: 16px;
  }

  .logo-block img {
    width: 220px;
  }
}