* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: #fff;
  color: #1a1a1a;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 20px 64px; }
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; padding-top: 16px; border-top: 1px solid #e5e5e5; }
p, ul { margin: 0 0 12px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
a { color: #0066cc; }
.meta { color: #666; font-size: 14px; margin-bottom: 24px; }
form { margin-top: 24px; }
label { display: block; font-weight: 600; margin: 16px 0 6px; }
select, input, textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: #fff;
  color: #1a1a1a;
}
textarea { min-height: 160px; resize: vertical; }
fieldset { border: 1px solid #e5e5e5; border-radius: 6px; padding: 0 16px 16px; margin: 24px 0 0; }
legend { font-weight: 600; padding: 0 6px; }
.hint { color: #666; font-size: 14px; margin: 4px 0 0; }
button {
  margin-top: 24px;
  width: 100%;
  font: inherit;
  font-weight: 600;
  padding: 12px;
  border: 0;
  border-radius: 6px;
  background: #0066cc;
  color: #fff;
  cursor: pointer;
}
button:disabled { opacity: .6; cursor: default; }
.notice { margin-top: 20px; padding: 12px 14px; border-radius: 6px; display: none; }
.notice.ok { display: block; background: #eef7ee; border: 1px solid #b7dcb7; }
.notice.err { display: block; background: #fdeeee; border: 1px solid #e3b4b4; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }