/* ============================================
   100匹目の羊 ご予約フォーム スタイル
   ナチュラル・温かみのあるデザイン
   ============================================ */

:root {
  --cream: #faf6ef;
  --cream-dark: #f0e9db;
  --wool: #fffaf0;
  --brown: #6b4f3a;
  --brown-soft: #8a6d55;
  --brown-light: #c9b59a;
  --green: #7a8c5c;
  --green-light: #a8b88a;
  --accent: #d98e5c;
  --text: #4a3a2c;
  --text-soft: #7a6a5c;
  --border: #e5d9c3;
  --error: #c0593a;
  --shadow: 0 6px 24px rgba(107, 79, 58, 0.08);
  --shadow-hover: 0 10px 32px rgba(107, 79, 58, 0.15);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', 'Yu Gothic', sans-serif;
  background: linear-gradient(180deg, #fdfaf3 0%, #f5ecd9 100%);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* 背景の装飾（羊雲） */
.bg-decoration {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.cloud {
  position: absolute;
  font-size: 8rem;
  color: rgba(255, 255, 255, 0.55);
  filter: blur(1px);
}
.cloud.c1 { top: 8%;  left: -3%;  font-size: 10rem; }
.cloud.c2 { top: 40%; right: -5%; font-size: 14rem; }
.cloud.c3 { bottom: 5%; left: 10%; font-size: 9rem; }

/* ヘッダー */
.site-header {
  text-align: center;
  padding: 48px 20px 24px;
  position: relative;
  z-index: 1;
}
.logo-mark {
  font-size: 3.5rem;
  line-height: 1;
  margin-bottom: 8px;
  display: inline-block;
  animation: bob 4s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.shop-name {
  font-family: 'Klee One', 'Zen Maru Gothic', serif;
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--brown);
  margin: 0;
  letter-spacing: 0.08em;
}
.shop-sub {
  color: var(--text-soft);
  font-size: 0.95rem;
  margin: 8px 0 0;
  letter-spacing: 0.05em;
}

/* コンテナ */
.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px 20px 48px;
  position: relative;
  z-index: 1;
}

/* カード */
.card {
  background: var(--wool);
  border-radius: 20px;
  padding: 32px 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.intro {
  text-align: center;
  background: linear-gradient(180deg, #fffdf7 0%, #fdf5e4 100%);
}
.intro h2 {
  font-family: 'Klee One', serif;
  font-size: 1.5rem;
  color: var(--brown);
  margin: 0 0 16px;
  position: relative;
  display: inline-block;
}
.intro h2::before,
.intro h2::after {
  content: '·';
  color: var(--brown-light);
  margin: 0 12px;
  font-size: 1.5rem;
}
.intro p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}
.intro strong {
  color: var(--accent);
  font-weight: 600;
}

/* フォーム */
.form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.field {
  display: flex;
  flex-direction: column;
}
.field label {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--brown);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.required {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.optional {
  display: inline-block;
  background: var(--brown-light);
  color: #fff;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.hint {
  font-size: 0.8rem;
  color: var(--text-soft);
  margin: 6px 0 0;
}

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="date"],
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  -webkit-appearance: none;
  appearance: none;
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(122, 140, 92, 0.12);
  background: var(--wool);
}
input:disabled,
select:disabled {
  background: #f5f0e3;
  color: var(--text-soft);
  cursor: not-allowed;
}
input::placeholder,
textarea::placeholder {
  color: #b8a892;
}
select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'><path fill='%236b4f3a' d='M7 10L2 5h10z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}
textarea {
  resize: vertical;
  min-height: 100px;
}
input.error,
select.error {
  border-color: var(--error);
  background: #fff5f1;
}

/* 送信ボタン */
.submit-btn {
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-light) 100%);
  border: none;
  border-radius: 14px;
  padding: 18px 24px;
  margin-top: 8px;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(122, 140, 92, 0.25);
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
  letter-spacing: 0.05em;
}
.submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(122, 140, 92, 0.35);
}
.submit-btn:active {
  transform: translateY(0);
}
.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-message {
  text-align: center;
  margin: 4px 0 0;
  font-size: 0.9rem;
  min-height: 1.4em;
}
.form-message.error { color: var(--error); }
.form-message.success { color: var(--green); }

/* 案内 */
.info h3 {
  font-family: 'Klee One', serif;
  color: var(--brown);
  font-size: 1.1rem;
  margin: 0 0 12px;
}
.info ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.info li {
  padding: 6px 0;
  color: var(--text-soft);
  font-size: 0.92rem;
}

/* フッター */
.site-footer {
  text-align: center;
  padding: 24px 16px 40px;
  color: var(--text-soft);
  font-size: 0.8rem;
  position: relative;
  z-index: 1;
}

/* オーバーレイ */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(74, 58, 44, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 20px;
}
.overlay[hidden] { display: none; }
.overlay-inner {
  background: var(--wool);
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  max-width: 400px;
  width: 100%;
  box-shadow: var(--shadow-hover);
  animation: pop 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.3);
}
@keyframes pop {
  0% { transform: scale(0.85); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}
.loader {
  font-size: 3rem;
  animation: spin 1.5s linear infinite;
  display: inline-block;
}
@keyframes spin {
  0% { transform: rotate(0) translateX(0); }
  25% { transform: rotate(-15deg) translateX(-4px); }
  50% { transform: rotate(0) translateX(0); }
  75% { transform: rotate(15deg) translateX(4px); }
  100% { transform: rotate(0) translateX(0); }
}
.overlay-inner.done h3 {
  font-family: 'Klee One', serif;
  color: var(--brown);
  font-size: 1.3rem;
  margin: 12px 0 8px;
}
.overlay-inner.done p {
  color: var(--text-soft);
  font-size: 0.92rem;
  margin: 0 0 20px;
}
.done-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 2rem;
  line-height: 64px;
  margin: 0 auto;
  display: block;
  box-shadow: 0 6px 18px rgba(122, 140, 92, 0.3);
}

/* スマホ対応 */
@media (max-width: 520px) {
  .site-header { padding: 32px 16px 16px; }
  .shop-name { font-size: 1.75rem; }
  .shop-sub { font-size: 0.85rem; }
  .card { padding: 24px 20px; border-radius: 18px; }
  .intro h2 { font-size: 1.25rem; }
  .container { padding: 8px 14px 32px; }
  input, select, textarea { font-size: 16px; } /* iOSズーム防止 */
  .submit-btn { font-size: 1rem; padding: 16px; }
}