body {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  margin: 0;
  background: #fafbfc;
  color: #222;
  line-height: 1.6;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #2B3A67;
  padding: 0.8rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  color: #fff;
  font-weight: 600;
  font-size: 1.1rem;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
}

.nav-links a {
  color: #E6E8F0;
  text-decoration: none;
  transition: 0.2s;
}

.nav-links a:hover {
  color: #FFB800;
}

#lang-toggle {
  background: #FFB800;
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}

.hero {
  text-align: center;
  padding: 6rem 1rem 4rem;
  background: linear-gradient(180deg, #ffffff, #f0f2f8);
}

.highlight {
  color: #2B3A67;
}

.btn {
  background: #2B3A67;
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  margin-right: 0.6rem;
}

.btn-outline {
  border: 2px solid #2B3A67;
  background: transparent;
  color: #2B3A67;
}

section {
  padding: 3rem 1rem;
  max-width: 800px;
  margin: auto;
}

h2 {
  border-left: 5px solid #2B3A67;
  padding-left: 0.5rem;
}

.card {
  background: #fff;
  border-radius: 8px;
  padding: 1rem;
  margin: 1rem 0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.skills-list li {
  margin: 0.5rem 0;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #2B3A67;
  color: #E6E8F0;
  font-size: 0.9rem;
}

/* === Japanese Mode === */
.jp * {
  font-family: 'Noto Sans JP', sans-serif;
}
.jp #about h2::after {
  content: "（自己紹介）";
  color: #555;
  font-weight: 400;
  font-size: 0.9rem;
}