:root {
  --blue: #1a3e88;
  --red: #c6434b;
  --mist: #f4f5fa;
  --ink: #333333;
  --steel: #666666;
  --white: #ffffff;
  --line: #d6e0e8;
  --shadow: 0 18px 48px rgba(16, 42, 67, 0.1);
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--mist);
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
}
.site-header {
  position: relative;
  overflow: hidden;
  padding: 1.2rem max(1.5rem, calc((100vw - 1050px) / 2));
  border-top: 5px solid var(--red);
  background: var(--white);
}
.brand { position: relative; z-index: 1; max-width: 1050px; margin: auto; }
.brand img { display: block; width: min(100%, 350px); height: auto; }
main { display: grid; place-items: center; min-height: calc(100vh - 70px); padding: clamp(2.5rem, 7vw, 6rem) 1.25rem; }
.notice { width: min(100%, 760px); overflow: hidden; background: var(--white); box-shadow: var(--shadow); }
.notice-intro { padding: clamp(2rem, 6vw, 4.75rem) clamp(1.5rem, 7vw, 5rem) 3rem; }
.eyebrow { display: flex; align-items: center; gap: 0.75rem; margin: 0 0 1.4rem; color: var(--red); font-family: Arial, sans-serif; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.14em; }
.eyebrow::before { width: 2rem; height: 2px; background: var(--red); content: ""; }
h1, h2, p { margin-top: 0; }
h1 { max-width: 17em; margin-bottom: 2.2rem; color: var(--blue); font-size: clamp(1.75rem, 4vw, 2.3rem); font-weight: 600; line-height: 1.45; letter-spacing: 0.035em; }
.message { max-width: 39em; margin-bottom: 0.65rem; font-size: 1rem; line-height: 2; }
.message:last-child { margin-bottom: 0; }
.english { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); }
h2 { margin-bottom: 1rem; color: var(--blue); font-family: Arial, "Hiragino Sans", sans-serif; font-size: 1.125rem; font-weight: 700; letter-spacing: 0.02em; }
.english .message { font-family: Arial, "Hiragino Sans", sans-serif; font-size: 0.97rem; line-height: 1.85; }
.contact { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: end; padding: 2rem clamp(1.5rem, 7vw, 5rem); color: var(--white); background: var(--blue); }
.contact-label { margin-bottom: 0.65rem; color: #c9d8e5; font-family: Arial, sans-serif; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.14em; }
address { font-style: normal; }
.organization { margin-bottom: 0.5rem; font-size: 1rem; font-weight: 700; }
.address, .telephone { margin: 0; font-size: 0.88rem; line-height: 1.75; }
.telephone { margin-top: 0.35rem; }
a { color: inherit; text-underline-offset: 0.2em; }
.map-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0.65rem 1rem; border: 1px solid rgba(255, 255, 255, 0.72); color: var(--white); font-size: 0.82rem; font-weight: 700; line-height: 1.3; text-decoration: none; transition: background-color 180ms ease, color 180ms ease; }
.map-link::after { margin-left: 0.6rem; content: "↗"; }
.map-link:hover { color: var(--blue); background: var(--white); }
a:focus-visible { outline: 3px solid #ffcd5d; outline-offset: 4px; }
@media (max-width: 560px) {
  .site-header { padding-top: 1rem; padding-bottom: 1rem; }
  .brand img { width: min(100%, 300px); }
  .notice-intro { padding-bottom: 2.5rem; }
  .contact { grid-template-columns: 1fr; gap: 1.5rem; }
  .map-link { justify-self: start; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}