@charset "UTF-8";

:root {
  --background: #f5f3ef;
  --surface: #ffffff;
  --text: #292724;
  --muted: #77716a;
  --border: #d9d4cd;
  --shadow: 0 12px 32px rgba(37, 33, 28, 0.05);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--text);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    "Yu Gothic",
    "YuGothic",
    "Noto Sans JP",
    sans-serif;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

.site-main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 64px 24px 40px;
}

.notice {
  width: min(720px, 100%);
  padding: 72px 64px;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.brand {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  font-weight: 400;
  letter-spacing: 0.18em;
}

.divider {
  width: 48px;
  height: 1px;
  margin: 30px auto;
  background: var(--text);
}

h1 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.08em;
}

.brand {
  display: flex;
  justify-content: center;
  margin: 0;
}

.brand-logo {
  display: block;
  width: min(100%, 420px);
  height: auto;
}

.message {
  margin-top: 38px;
  font-size: 1rem;
}

.message p {
  margin: 0;
}

.message p + p {
  margin-top: 24px;
}

.thanks {
  margin: 42px 0 0;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.95rem;
  font-style: italic;
  letter-spacing: 0.08em;
}

.site-footer {
  padding: 0 24px 28px;
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 640px) {
  .site-main {
    padding: 32px 16px 24px;
  }

  .notice {
    padding: 52px 24px;
  }

  .desktop-break {
    display: none;
  }
}