:root {
  --paper: #f5f1e6; --paper-deep: #ede7d6; --ink: #26221c; --ink-soft: #6b6353;
  --vermilion: #c2422b; --vermilion-deep: #a5341f; --line: #d9d0ba; --card: #fbf8f0;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: var(--sans); color: var(--ink); line-height: 1.8;
  background: linear-gradient(var(--paper), var(--paper-deep)); min-height: 100vh;
  font-size: 15px;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 40px 20px 80px; }
header.site { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.stamp {
  width: 36px; height: 36px; border: 2px solid var(--vermilion); border-radius: 7px;
  color: var(--vermilion); font-family: var(--serif); font-weight: 800; font-size: 18px;
  display: grid; place-items: center; transform: rotate(-4deg);
}
h1 { font-family: var(--serif); font-size: 1.5rem; letter-spacing: 0.06em; }
h2 { font-family: var(--serif); font-size: 1.1rem; margin: 28px 0 10px; letter-spacing: 0.06em; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
  padding: 24px 26px; margin-top: 18px;
  box-shadow: 0 2px 0 rgba(38,34,28,.05), 0 18px 40px -28px rgba(38,34,28,.35);
}
table.spec { width: 100%; border-collapse: collapse; margin: 10px 0; }
table.spec th, table.spec td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.spec th { width: 32%; color: var(--ink-soft); font-weight: 600; font-size: 0.85rem; }
.note { font-size: 0.8rem; color: var(--ink-soft); }
.primary {
  display: inline-block; font-family: var(--serif); font-weight: 700; font-size: 1rem;
  letter-spacing: 0.2em; text-indent: 0.2em; color: var(--paper); background: var(--ink);
  border: none; border-radius: 4px; padding: 13px 34px; cursor: pointer; text-decoration: none;
}
.primary:hover { background: var(--vermilion-deep); }
.primary:disabled { opacity: 0.4; cursor: not-allowed; }
.ghost {
  display: inline-block; font-size: 0.85rem; padding: 9px 18px; background: transparent;
  border: 1px solid var(--ink); border-radius: 4px; color: var(--ink); cursor: pointer; text-decoration: none;
}
a { color: var(--vermilion-deep); }
footer.site { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 0.78rem; color: var(--ink-soft); }
footer.site a { margin-right: 14px; }
ul, ol { padding-left: 1.4em; }
li { margin: 4px 0; }
.banner {
  padding: 11px 16px; border: 1px solid var(--vermilion); border-left-width: 5px;
  background: rgba(194,66,43,.07); border-radius: 4px; font-size: 0.9rem; margin: 14px 0;
}
[hidden] { display: none !important; }