*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: #f5f6f8;
  color: #222;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
}
.container { max-width: 720px; margin: 0 auto; padding: 32px 16px; }
.site-header { text-align: center; margin-bottom: 24px; }
.logo { max-width: 200px; height: auto; }
.content { background: #fff; border-radius: 8px; padding: 32px 24px; text-align: center; }
h1 { font-size: 1.5rem; margin: 0 0 8px; }
h2 { font-size: 1.1rem; margin: 32px 0 8px; }
.date { color: #666; font-size: .9rem; margin-top: 0; }
.contact dl { display: inline-block; text-align: left; margin: 0; }
.contact dt { font-weight: bold; margin-top: 12px; }
.contact dd { margin: 0; overflow-wrap: anywhere; }
.contact .addr { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; user-select: all; }
a { color: #0b5cad; }
.caution { border-top: 1px solid #ddd; margin-top: 32px; padding-top: 8px; font-size: .9rem; }
.site-footer { text-align: center; color: #666; font-size: .8rem; margin-top: 24px; }
.contact .note { font-size: .8rem; color: #666; margin-top: 12px; }