* {
  box-sizing: border-box;
}

:root {
  --bg-1: #03122c;
  --bg-2: #0a2e64;
  --panel: rgba(8, 26, 58, 0.84);
  --panel-border: rgba(255, 255, 255, 0.22);
  --input-bg: rgba(255, 255, 255, 0.96);
  --input-border: rgba(255, 255, 255, 0.88);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.82);
  --dark-text: #10203c;
  --orange-1: #ff8b1f;
  --orange-2: #ff6a00;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(43, 114, 255, 0.22), transparent 24%),
    radial-gradient(circle at bottom left, rgba(255, 122, 0, 0.10), transparent 20%),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
  color: var(--text);
}

.contact-page {
  min-height: 100vh;
  padding: 36px 18px 56px;
}

.contact-wrap {
  max-width: 980px;
  margin: 0 auto;
}

.contact-card {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 30px 28px;
  border-radius: 28px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.28),
    inset 0 0 28px rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.contact-hero {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #9cffd5;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1.18;
  font-weight: 900;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

.field span,
.radio-block legend {
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.5;
}

.field em,
.radio-block em {
  color: #ffb067;
  font-style: normal;
}

.field small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.field input,
.field textarea {
  width: 100%;
  padding: 15px 16px;
  border-radius: 18px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--dark-text);
  font-size: 1rem;
  outline: none;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.field textarea {
  min-height: 152px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: rgba(255, 139, 31, 0.75);
  box-shadow: 0 0 0 3px rgba(255, 139, 31, 0.12);
}

.radio-block {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 22px;
  padding: 18px 18px 12px;
  margin: 0;
  min-width: 0;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 10px;
}

.radio-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.96);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.radio-item input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  margin: 0;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.76);
  background: transparent;
  position: relative;
  flex: 0 0 24px;
}

.radio-item input[type="radio"]:checked::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--orange-1), var(--orange-2));
}

.form-actions {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.submit-btn {
  min-width: 132px;
  border: none;
  border-radius: 12px;
  padding: 15px 24px;
  background: linear-gradient(90deg, var(--orange-1), var(--orange-2));
  color: #fff;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow:
    0 0 0 1px rgba(255,170,70,0.18),
    0 0 18px rgba(255,120,0,0.20),
    0 14px 34px rgba(0,0,0,0.20);
  transition: transform .18s ease, filter .18s ease, box-shadow .18s ease;
}

.submit-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow:
    0 0 0 1px rgba(255,170,70,0.28),
    0 0 24px rgba(255,140,0,0.34),
    0 0 48px rgba(255,120,0,0.18),
    0 16px 36px rgba(0,0,0,0.24);
}

.submit-btn:active {
  transform: scale(0.98);
  filter: brightness(0.98);
}

.reset-btn {
  border: none;
  background: transparent;
  color: rgba(255,255,255,0.78);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.form-note {
  margin: 16px 0 0;
  color: rgba(255,255,255,0.78);
  font-size: 0.92rem;
  line-height: 1.75;
}

.form-status {
  min-height: 24px;
  margin-top: 12px;
  font-size: 0.95rem;
  font-weight: 800;
}

.form-status.success {
  color: #9cf7b3;
}

.form-status.error {
  color: #ffb6b6;
}

@media (max-width: 768px) {
  .contact-page {
    padding: 20px 14px 42px;
  }

  .contact-card {
    max-width: 100%;
    padding: 22px 16px;
    border-radius: 24px;
  }

  .contact-hero h1 {
    font-size: 1.9rem;
    line-height: 1.25;
  }

  .lead {
    font-size: 0.95rem;
    line-height: 1.75;
  }

  .field input,
  .field textarea {
    padding: 14px 14px;
    border-radius: 16px;
    font-size: 0.96rem;
  }

  .radio-block {
    padding: 16px 14px 12px;
    border-radius: 18px;
  }

  .radio-item {
    font-size: 0.96rem;
  }

  .submit-btn {
    width: 100%;
    min-width: 0;
  }

  .form-actions {
    align-items: stretch;
  }
}