:root {
  --ink: #1b2430;
  --muted: #566170;
  --line: #d9dee5;
  --bg: #ffffff;
  --soft: #f4f6f8;
  --accent: #1f5fbf;
  --accent-dark: #174a96;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  font-size: 17px;
  line-height: 1.85;
}

a { color: var(--accent); }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.site-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.brand {
  white-space: nowrap;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
}

.header-link { font-size: 15px; white-space: nowrap; }

.hero { padding-top: 56px; padding-bottom: 40px; }

.hero h1 {
  margin: 0 0 18px;
  font-size: 32px;
  line-height: 1.45;
}

.hero .lead {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 18px;
}

.button {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.button:hover { background: var(--accent-dark); }

.note-small {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

section { padding: 36px 0; border-top: 1px solid var(--line); }

section h2 {
  margin: 0 0 18px;
  font-size: 24px;
  line-height: 1.5;
}

section h3 {
  margin: 22px 0 6px;
  font-size: 18px;
}

section p { margin: 0 0 14px; }

ul.plain { margin: 0 0 14px; padding-left: 1.3em; }
ul.plain li { margin-bottom: 6px; }

ol.steps { margin: 0 0 14px; padding-left: 1.5em; }
ol.steps li { margin-bottom: 8px; }

.panel {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 22px;
  margin-bottom: 16px;
}

.panel h3 { margin-top: 0; }

.price {
  font-size: 22px;
  font-weight: 700;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 14px;
  font-size: 16px;
}

th, td {
  border: 1px solid var(--line);
  padding: 12px 14px;
  vertical-align: top;
  text-align: left;
}

th {
  width: 30%;
  background: var(--soft);
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer a { margin-right: 18px; }

.draft-note {
  background: #fff8e1;
  border: 1px solid #ecd98a;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 14px;
  margin: 24px 0 0;
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero { padding-top: 36px; padding-bottom: 28px; }
  .hero h1 { font-size: 26px; }
  .hero .lead { font-size: 16px; }
  th, td { display: block; width: 100%; }
  th { border-bottom: 0; }
}