:root {
  --color-primary: #2e7d32;
  --color-text: #212121;
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-border: #ddd;
  --color-error: #c62828;
  --max-width: 640px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
}

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px;
}

.event__fv {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 16px;
}

.event__title {
  font-size: 1.4rem;
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: 8px;
}

.event__schedule {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 16px 0;
}

.form {
  margin-top: 24px;
}

.form__field {
  margin-bottom: 20px;
}

.form__field label {
  display: block;
  font-weight: bold;
  margin-bottom: 4px;
}

.form__field .required {
  display: inline-block;
  color: #fff;
  background: var(--color-error);
  font-size: 0.7rem;
  font-weight: normal;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.form__field input[type="text"],
.form__field input[type="email"],
.form__field input[type="tel"],
.form__field input[type="number"],
.form__field textarea,
.form__field select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 1rem;
  background: var(--color-surface);
}

.form__help {
  font-size: 0.85rem;
  color: #666;
  margin: 4px 0 0;
}

.form__error,
.form__errors {
  color: var(--color-error);
  font-size: 0.85rem;
}

.form__honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.form__field--agree label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: normal;
}

.form__field--agree input[type="checkbox"] {
  width: 20px;
  height: 20px;
}

.form__notice {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 20px 0;
  font-size: 0.9rem;
}

.form__submit {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1.1rem;
  cursor: pointer;
}

.form__submit:disabled {
  opacity: 0.6;
}

.thanks__detail dt {
  font-weight: bold;
  margin-top: 12px;
}

.thanks__detail dd {
  margin: 0;
}