:root {
  --color-bg: #f7f7f8;
  --color-surface: #ffffff;
  --color-border: #d3d3d6;
  --color-text: #1f2024;
  --color-text-muted: #5b5d66;
  --color-notice: #b3261e;
  --color-notice-bg: #fdecea;
  --color-accent: #0b5fff;
  --color-accent-hover: #0a4fd6;
  --color-success-bg: #e7f6ec;
  --color-success-text: #1e7e34;
  --color-error-bg: #fdecea;
  --color-error-text: #b3261e;
  --radius: 6px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  margin: 0;
  padding: 24px 16px 64px;
  line-height: 1.5;
}

.form-wrapper {
  max-width: 760px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 36px 40px;
}

.form-header h1 {
  text-align: center;
  font-size: 1.5rem;
  margin: 0 0 20px;
}

.notice-box {
  background: var(--color-notice-bg);
  border: 1px solid #f3c2bf;
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 24px;
  color: var(--color-notice);
  font-size: 0.92rem;
}

.notice-box p {
  margin: 0 0 8px;
}

.notice-box p:last-child {
  margin-bottom: 0;
}

.form-section {
  border-top: 1px solid var(--color-border);
  padding-top: 22px;
  margin-top: 22px;
}

.form-section:first-of-type {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

.form-section h2 {
  font-size: 1.05rem;
  margin: 0 0 14px;
}

.field-label {
  display: block;
  font-weight: 600;
  margin: 16px 0 6px;
  font-size: 0.92rem;
}

.field-label:first-child {
  margin-top: 0;
}

.field-label.required::after {
  content: " *";
  color: var(--color-notice);
}

.field-hint {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0 0 8px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="file"],
textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.12);
}

textarea {
  resize: vertical;
}

.radio-group,
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 6px 0 4px;
}

.radio-label,
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.95rem;
  cursor: pointer;
}

.radio-label input,
.checkbox-label input {
  margin-top: 3px;
  flex-shrink: 0;
}

.plain-list {
  margin: 0 0 12px;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.contact-section p {
  margin: 4px 0;
}

.submit-row {
  margin-top: 28px;
  text-align: center;
}

.btn-submit {
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: 12px 36px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-submit:hover {
  background: var(--color-accent-hover);
}

.alert {
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 20px;
  font-size: 0.92rem;
}

.alert-error {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  border: 1px solid #f3c2bf;
}

.alert-error ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success-text);
  border: 1px solid #b6e3c3;
  text-align: center;
}

@media (max-width: 600px) {
  .form-wrapper {
    padding: 22px 18px 28px;
  }
}