:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f9;
  --accent: #ff5c8d;
  --accent-soft: rgba(255, 92, 141, 0.12);
  --ink: #1f1f24;
  --muted: #6d6d78;
  --white: #ffffff;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-soft: 0 14px 34px rgba(0, 0, 0, 0.08);
  --container: 1200px;
  --header-h: 60px;
}

@media (min-width: 900px) {
  :root { --header-h: 84px; }
}

* { box-sizing: border-box; }
html, body { padding: 0; margin: 0; overflow-x: hidden; }
body {
  font-family: "Noto Sans JP", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
h1,h2,h3,h4,h5,h6{ margin: 0; font-weight: 900; }
h2{ text-align: center; font-size: clamp(26px, 7vw, 36px); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.is-hidden{ display: none !important; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
}
@media (min-width: 900px) { .container { padding: 0 32px; } }