/* デザインサンプル共通（リセット・サンプル表示・メニュー） */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; overflow-wrap: anywhere; line-break: strict; font-feature-settings: "palt" 1; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.nw { white-space: nowrap; }
:focus-visible { outline: 3px solid #f0b43c; outline-offset: 3px; }

/* 架空サイトである表示（常時） */
.ds-pill {
  position: fixed; left: 12px; bottom: 12px; z-index: 999;
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px 7px 8px; border-radius: 999px;
  background: rgba(14, 31, 58, .92); color: #fff; text-decoration: none;
  font: 700 11px/1.3 "Noto Sans JP", system-ui, sans-serif; letter-spacing: .04em;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .5);
}
.ds-pill b { background: #f2b33d; color: #0e1f3a; border-radius: 999px; padding: 2px 8px; font-size: 10px; letter-spacing: .12em; }
.is-shot .ds-pill { display: none; }

/* mobile menu */
.menu-btn { width: 44px; height: 44px; border: 0; background: transparent; position: relative; padding: 0; color: inherit; }
.menu-btn i, .menu-btn i::before, .menu-btn i::after { content: ""; position: absolute; left: 11px; width: 22px; height: 1.5px; background: currentColor; transition: transform .25s, background-color .25s; }
.menu-btn i { top: 21px; }
.menu-btn i::before { left: 0; top: -7px; }
.menu-btn i::after { left: 0; top: 7px; }
.menu-btn[aria-expanded="true"] i { background: transparent; }
.menu-btn[aria-expanded="true"] i::before { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] i::after { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 899px) {
  .gnav { display: none; }
  .gnav.is-open { display: block; }
}
@media (min-width: 900px) { .menu-btn { display: none; } }