@charset "UTF-8";
/* 新田忠弘 公式サイト：共通 */
:root {
  --bg: #0b0b0e;
  --bg2: #141419;
  --panel: #17171d;
  --line: #2a2a33;
  --text: #e8e6e1;
  --sub: #a9a49b;
  --accent: #ff7a1a;
  --accent2: #ffb03a;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  line-height: 1.8;
}
a { color: var(--accent2); }
img { max-width: 100%; }

/* ヘッダー */
header {
  text-align: center;
  padding: 48px 16px 8px;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, #241108 0%, var(--bg) 70%);
}
header .logo { width: min(760px, 92vw); height: auto; }
header .tagline {
  color: #ffd23a;
  letter-spacing: 0.35em;
  font-size: 14px;
  margin: 10px 0 0;
}
nav {
  display: flex; justify-content: center; gap: 28px; flex-wrap: wrap;
  padding: 18px 12px;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(11,11,14,.92); backdrop-filter: blur(6px); z-index: 5;
}
nav a { color: var(--text); text-decoration: none; font-size: 15px; letter-spacing: .12em; }
nav a:hover { color: var(--accent2); }

main { max-width: 960px; margin: 0 auto; padding: 0 20px 64px; }
section { padding: 48px 0 8px; }
h2 {
  font-size: 24px; letter-spacing: .2em; margin: 0 0 20px;
  border-left: 4px solid var(--accent); padding-left: 12px;
}
h3 { font-size: 18px; margin: 28px 0 8px; color: var(--accent2); }
p { margin: 10px 0; }
.sub { color: var(--sub); }

footer {
  border-top: 1px solid var(--line); color: var(--sub);
  text-align: center; padding: 28px 16px 36px; font-size: 13px;
}
@media (max-width: 640px) {
  header { padding-top: 32px; }
}