:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
}

body {
  margin: 0;
  padding: 24px 16px 48px;
  background: #f5f8f8;
  color: #23302f;
}

main {
  max-width: 560px;
  margin: 0 auto;
  border: 1px solid #d9e1e1;
  border-radius: 12px;
  padding: 24px 20px;
  background: #fff;
  box-shadow: 0 1px 2px rgb(0 0 0 / 6%);
}

h1 {
  margin: 0 0 8px;
  font-size: 20px;
}

h2 {
  margin: 0 0 8px;
  font-size: 16px;
}

.lead,
.note {
  color: #536465;
  font-size: 13px;
  line-height: 1.7;
}

.note {
  margin-top: 24px;
  border-top: 1px solid #eef2f2;
  padding-top: 14px;
}

label {
  display: block;
  margin: 18px 0 6px;
  font-size: 12px;
  color: #536465;
}

input {
  box-sizing: border-box;
  width: 100%;
  min-height: 44px;
  border: 1px solid #cdd8d8;
  border-radius: 8px;
  padding: 0 12px;
  font-size: 15px;
}

input:focus-visible {
  border-color: #1c7c70;
  outline: 2px solid rgb(28 124 112 / 20%);
}

button {
  width: 100%;
  min-height: 44px;
  margin-top: 14px;
  border: 0;
  border-radius: 8px;
  background: #1c7c70;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
}

button:disabled {
  opacity: .6;
}

.message {
  min-height: 20px;
  margin: 12px 0 0;
  font-size: 13px;
  color: #536465;
}

.message.is-error {
  color: #b4342c;
}