:root {
  --bg: #f6f3ee;
  --ink: #1c1b19;
  --muted: #5e5a54;
  --line: #e2ddd4;
  --card: #fffdf9;
  --acc: #0f5c4c;
  --acc2: #1e3a5f;
  --warn: #7a4b00;
  --warnbg: #fff4e0;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Hiragino Sans", "Noto Sans JP", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}
a { color: var(--acc2); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }
.skip {
  position: absolute; left: -999px; top: auto;
}
.skip:focus { left: 12px; top: 12px; background: #fff; padding: 8px; z-index: 10; }
.top { border-bottom: 1px solid var(--line); background: #fff; }
.top-inner { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; }
.brand { font-weight: 700; font-size: 0.92rem; }
.corp { font-size: 0.9rem; }
main.wrap { padding-top: 24px; padding-bottom: 64px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px 22px;
  margin-bottom: 16px;
}
.hero h1 { font-size: clamp(1.35rem, 3.5vw, 1.75rem); line-height: 1.35; margin: 0 0 12px; }
.lead { color: var(--muted); margin: 0 0 18px; }
.pill {
  display: inline-block;
  background: #e8f3ef;
  color: var(--acc);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: 999px;
  margin: 0 0 14px;
}
.three {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
  padding: 0;
}
.three > div {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  background: #fff;
}
.three dt { font-weight: 700; margin: 0 0 4px; }
.three dd { margin: 0; color: var(--muted); }
.ctas { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 10px;
  padding: 12px 16px;
  font-weight: 700;
  border: 1px solid transparent;
  font: inherit;
  cursor: pointer;
}
.btn.primary { background: var(--acc); color: #fff; }
.btn.ghost { background: #fff; color: var(--acc2); border-color: var(--line); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
h3 { font-size: 1rem; margin: 0 0 8px; }
ul, ol { margin: 0; padding-left: 1.2em; }
li { margin: 6px 0; }
.steps { padding-left: 1.2em; }
.note { color: var(--muted); font-size: 0.92rem; }
.cols { display: grid; gap: 16px; }
@media (min-width: 640px) {
  .three { grid-template-columns: repeat(3, 1fr); }
  .cols { grid-template-columns: 1fr 1fr; }
}
form { display: grid; gap: 12px; margin-top: 12px; }
label { display: grid; gap: 6px; font-weight: 600; font-size: 0.92rem; }
input, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #f3f1ec;
}
.banner {
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--warnbg);
  color: var(--warn);
  border-radius: 10px;
  font-size: 0.92rem;
}
.foot {
  border-top: 1px solid var(--line);
  padding: 20px 0 40px;
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
}