/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Noto Sans JP', sans-serif; color: #222; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
[id] { scroll-margin-top: 120px; }
.wrap { width: 1440px; margin: 0 auto; position: relative; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1376px, calc(100% - 64px));
  min-width: 960px;
  height: 72px;
  background: #fff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 100;
}
.header-logo {
  margin-right: auto;
}
.header-logo img {
  height: 32px;
  width: auto;
}
.header-nav {
  display: flex;
  gap: 32px;
  margin-right: 2em;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.27;
}
.header-nav a:hover { opacity: 0.7; }
.has-dropdown { position: relative; }
    .dropdown {
      display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
      width: 260px; z-index: 100; padding-top: 10px;
    }
    .dropdown-inner {
      background: #fff; border-radius: 6px; padding: 8px 16px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    .has-dropdown:hover .dropdown { display: block; }
.dropdown-item { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid #e0e0e0; font-size: 14px; font-weight: 700; color: #575757; }
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover { opacity: 0.7; }
.dropdown-item .arrow { width: 20px; height: 20px; }
.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  border-radius: 40px;
  padding: 0 20px;
  height: 56px;
  font-size: 15px;
  font-weight: 700;
  transition: opacity 0.3s;
}
.header-cta:hover { opacity: 0.8; }
.header-cta .arrow {
  width: 33px;
  height: 33px;
}