* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f5f5;
  color: #333;
  min-height: 100vh;
}

/* ===== 画面切り替え ===== */
.screen { width: 100%; }
.hidden { display: none !important; }

/* ===== 設定画面 ===== */
header {
  background: #e53e3e;
  color: #fff;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

header h1 {
  font-size: 1.2rem;
  font-weight: bold;
}

.section {
  background: #fff;
  margin: 12px;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.section h2 {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 12px;
  color: #e53e3e;
  border-bottom: 2px solid #e53e3e;
  padding-bottom: 6px;
}

.form-group {
  margin-bottom: 10px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 4px;
}

input[type="text"],
input[type="tel"],
input[type="date"],
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  appearance: auto;
}

input:focus, select:focus {
  outline: 2px solid #e53e3e;
  border-color: #e53e3e;
}

/* ===== アイテムリスト ===== */
.item-list {
  margin-bottom: 10px;
}

.item-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: #f8f8f8;
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.item-row .item-text {
  flex: 1;
}

.item-row .item-sub {
  font-size: 0.8rem;
  color: #888;
}

.btn-delete {
  background: none;
  border: none;
  color: #ccc;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  line-height: 1;
}

.btn-delete:hover { color: #e53e3e; }

/* ===== 追加フォーム ===== */
.add-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.add-form input {
  flex: 1;
  min-width: 120px;
}

/* ===== ボタン ===== */
.btn {
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: bold;
  white-space: nowrap;
}

.btn-primary {
  background: #fff;
  color: #e53e3e;
  font-weight: bold;
  padding: 8px 14px;
  font-size: 0.9rem;
}

.btn-primary:hover { background: #ffecec; }

.btn-add {
  background: #e53e3e;
  color: #fff;
}

.btn-add:hover { background: #c53030; }

.save-bar {
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
}

.btn-save {
  background: #2d6a4f;
  color: #fff;
  font-size: 1rem;
  padding: 12px 32px;
}

.btn-save:hover { background: #1b4332; }

.save-msg {
  font-size: 0.9rem;
  color: #2d6a4f;
  font-weight: bold;
}

/* ===== カード画面 ===== */
#cardScreen {
  min-height: 100vh;
  background: #fff;
  display: flex;
  flex-direction: column;
}

.card {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
  padding: 0 0 24px;
}

.card-header {
  background: #e53e3e;
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.emergency-badge {
  flex: 1;
  font-size: 1.1rem;
  font-weight: bold;
  letter-spacing: 1px;
}

.btn-icon {
  background: rgba(255,255,255,0.2);
  border: none;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  line-height: 1;
}

.btn-icon:hover { background: rgba(255,255,255,0.35); }

.card-body {
  padding: 16px;
}

.card-name {
  font-size: 2rem;
  font-weight: bold;
  color: #1a1a1a;
  margin-bottom: 4px;
  text-align: center;
}

.card-meta {
  font-size: 1.1rem;
  color: #555;
  text-align: center;
  margin-bottom: 20px;
}

.card-section {
  margin-bottom: 20px;
  border: 2px solid #e53e3e;
  border-radius: 10px;
  overflow: hidden;
}

.card-section-title {
  background: #e53e3e;
  color: #fff;
  font-size: 1rem;
  font-weight: bold;
  padding: 8px 14px;
}

.card-section-body {
  padding: 10px 14px;
}

.contact-card-item {
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
}

.contact-card-item:last-child { border-bottom: none; }

.contact-card-name {
  font-size: 1.1rem;
  font-weight: bold;
  color: #1a1a1a;
}

.contact-card-relation {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 2px;
}

.contact-card-phone {
  font-size: 1.4rem;
  font-weight: bold;
  color: #e53e3e;
  letter-spacing: 1px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 14px;
}

.tag {
  background: #fff5f5;
  border: 1px solid #e53e3e;
  color: #e53e3e;
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.95rem;
  font-weight: bold;
}

/* ===== フルスクリーン時 ===== */
:fullscreen #cardScreen,
:-webkit-full-screen #cardScreen {
  background: #fff;
  overflow-y: auto;
}

/* ===== レスポンシブ ===== */
@media (max-width: 480px) {
  .add-form input { min-width: 100px; }
  .card-name { font-size: 1.6rem; }
  .contact-card-phone { font-size: 1.2rem; }
}