:root {
  --paper: #FCF8F1;
  --card: #FFFFFF;
  --ink: #2C4793;
  --ink-soft: #5A6B97;
  --pink: #E0567F;
  --line: #E8E0D2;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
}
a { color: var(--pink); }
main { max-width: 640px; margin: 0 auto; padding: 32px 16px 48px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: bold; letter-spacing: .08em; font-size: 18px; color: var(--ink); text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
h1 { font-size: 24px; margin: 12px 0 8px; line-height: 1.4; }
.lead { color: var(--ink-soft); margin: 0 0 24px; }
section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 20px 16px;
  margin: 0 0 16px;
}
h2 { font-size: 18px; margin: 0 0 8px; line-height: 1.4; }
h3 { font-size: 16px; margin: 16px 0 4px; }
ol, ul { margin: 8px 0; padding-left: 1.4em; }
li { margin: 4px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 8px 0; }
th, td { text-align: left; vertical-align: top; padding: 8px 6px; border-top: 1px solid var(--line); }
th { white-space: nowrap; }
.note { font-size: 14px; color: var(--ink-soft); }
.mail { word-break: break-all; font-weight: bold; }
footer { text-align: center; font-size: 13px; color: var(--ink-soft); margin-top: 24px; }
footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 16px; margin-bottom: 8px; }
footer a { color: var(--ink-soft); }