/* イーアンドワイ 問い合わせフォーム 共通スタイル */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --main: #1a5fb4;
  --main-dark: #14487f;
  --bg: #f4f6f9;
  --border: #d5dce4;
  --text: #2b3440;
  --danger: #c0392b;
}

body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

.site-header {
  background: var(--main);
  color: #fff;
  text-align: center;
  padding: 24px 16px;
}
.site-header h1 { font-size: 1.4rem; }
.site-header p { font-size: .85rem; opacity: .9; }

.container {
  max-width: 720px;
  margin: 24px auto 48px;
  padding: 0 16px;
}

.lead { margin-bottom: 24px; font-size: .95rem; }

fieldset {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}
legend {
  font-weight: bold;
  padding: 0 10px;
  color: var(--main-dark);
}

.field { margin-bottom: 20px; }
.field > label {
  display: block;
  font-weight: bold;
  margin-bottom: 6px;
  font-size: .95rem;
}
label.required::after {
  content: "必須";
  background: var(--danger);
  color: #fff;
  font-size: .7rem;
  font-weight: normal;
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: 8px;
  vertical-align: middle;
}

input[type=text], input[type=email], input[type=tel], select, textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--main);
  border-color: var(--main);
}

.radio-group { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-item {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  background: #fff;
  font-size: .95rem;
}
.radio-item:has(input:checked) {
  border-color: var(--main);
  background: #eaf1fb;
  font-weight: bold;
}

.product-select { display: grid; gap: 8px; }
@media (min-width: 560px) {
  .product-select { grid-template-columns: 1fr 2fr 1fr; }
}

.hint { font-size: .8rem; color: #667; margin-top: 4px; }

.zip-row { display: flex; gap: 8px; }
.zip-row input { flex: 1; }

.btn-main {
  display: block;
  width: 100%;
  background: var(--main);
  color: #fff;
  font-size: 1.1rem;
  font-weight: bold;
  border: none;
  border-radius: 10px;
  padding: 16px;
  cursor: pointer;
}
.btn-main:hover { background: var(--main-dark); }
.btn-sub {
  background: #fff;
  border: 1px solid var(--main);
  color: var(--main);
  border-radius: 8px;
  padding: 0 16px;
  cursor: pointer;
  white-space: nowrap;
}

.error-box {
  background: #fdecea;
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: .9rem;
}
.error-box ul { margin: 6px 0 0 20px; }

.hp-field { position: absolute; left: -9999px; }

.conditional[hidden] { display: none; }

.site-footer {
  text-align: center;
  font-size: .8rem;
  color: #778;
  padding: 24px;
}

/* ---- 確認画面 ---- */
.confirm-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.confirm-table th, .confirm-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: .95rem;
  vertical-align: top;
}
.confirm-table th { width: 34%; background: #f0f4f9; font-weight: bold; }
.confirm-actions { display: flex; gap: 12px; margin-top: 24px; }
.confirm-actions form { flex: 1; }
.btn-back {
  display: block; width: 100%;
  background: #fff; color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 16px;
  font-size: 1rem; cursor: pointer;
}

/* ---- 完了画面 ---- */
.thanks-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
  padding: 48px 24px;
}
.thanks-box h2 { color: var(--main-dark); margin-bottom: 12px; }