/* closed_style.css - minimal, no WordPress dependencies */

:root{
  --bg: #f6f7f9;
  --text: #1f2328;
  --muted: #5b6472;
  --card: #ffffff;
  --border: rgba(31,35,40,.12);
  --shadow: 0 10px 30px rgba(31,35,40,.08);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
}

img{max-width:100%; height:auto; display:block}

.container{
  width:min(960px, calc(100% - 40px));
  margin-inline:auto;
}

.site-header{
  background:var(--card);
  border-bottom:1px solid var(--border);
}

.header-inner{
  padding:18px 0;
  display:flex;
  align-items:center;
  justify-content:center;
}

.brand-logo{
  width:min(260px, 70vw);
  filter: none;
}

.main{
  padding:40px 0 56px;
}

.notice{
  background:var(--card);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  border-radius:16px;
  padding:28px 24px;
}

.notice h1{
  margin:0 0 12px;
  font-size:clamp(22px, 3vw, 30px);
  letter-spacing:.02em;
}

.lead{
  margin:0 0 10px;
  font-size:1.05rem;
}

.sub{
  margin:0;
  color:var(--muted);
  font-size:.95rem;
}

.site-footer{
  padding:26px 0 34px;
  color:var(--muted);
}

.footer-inner{
  text-align:center;
}

.footer-company{
  margin:0 0 6px;
  font-weight:600;
  color:var(--text);
}

.footer-copy{
  margin:0;
  font-size:.9rem;
}

@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto}
}