/* =============================================
   池町侑子(YUKO)公式サイト｜デザインシステム
   v0.5.1 PartJ (2026-05-16)
   ベースカラー：オフホワイト × テラコッタ × 淡水色 × ベージュゴールド
   v0.4.1 からの変更：プロトタイプ表記を本番表示から除去
   v0.5.1 PartJ：MailerLite フォームのデザインを YUKO ブランドに整える
   ============================================= */

:root {
  /* オフホワイト系 (朝の光) */
  --color-bg: #f8f5ef;
  --color-bg-warm: #f0ebe0;
  --color-paper: #fbf8f2;

  /* 墨色 */
  --color-ink: #2a2622;
  --color-ink-soft: #4a4239;
  --color-ink-light: #8a8074;

  /* 淡水色 (朝の空・余白・繊細) */
  --color-mizu: #a4c2d6;
  --color-mizu-deep: #6b8ea3;
  --color-mizu-soft: #d4e2ec;

  /* くすみテラコッタ (人肌・控えめな情熱) */
  --color-terra: #b87560;
  --color-terra-soft: #d4a594;

  /* 温かいベージュゴールド (差し色) */
  --color-gold: #c6a875;
  --color-gold-deep: #a08550;

  --font-display: "Shippori Mincho", "游明朝", "Yu Mincho", serif;
  --font-body: "Noto Sans JP", "游ゴシック", "Yu Gothic", sans-serif;
  --font-en: "Cormorant Garamond", "Shippori Mincho", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.85;
  font-size: 16px;
  font-feature-settings: "palt";
  overflow-x: hidden;
}

/* ノイズテクスチャ(和紙感) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.3 0 0 0 0 0.25 0 0 0 0 0.2 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

/* ===== Prototype Banner (v0.5.0で本番表示から除去。ステージング再利用のためclass定義は保持) ===== */
.proto-banner {
  background: #b87560;
  color: #fbf8f2;
  text-align: center;
  padding: 10px;
  font-size: 12px;
  letter-spacing: 0.15em;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
}

/* ===== Header ===== */
header {
  position: fixed;
  top: 32px; left: 0; right: 0;
  background: rgba(248, 245, 239, 0.92);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid rgba(42, 38, 34, 0.08);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--color-ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 12px;
  line-height: 1;
}
.logo .ja {
  color: var(--color-ink);
  font-weight: 500;
}
.logo .en {
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--color-ink-light);
  letter-spacing: 0.3em;
  font-style: italic;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  color: var(--color-ink-soft);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.1em;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}
.nav-links a:hover { color: var(--color-terra); }
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--color-terra);
  transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--color-terra); }
.nav-links a.active::after { width: 100%; }

/* ===== Common Section ===== */
section { padding: 120px 0; position: relative; }

.section-label {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.4em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
  font-style: italic;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--color-ink);
  margin-bottom: 24px;
}

.section-lead {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 2.1;
  color: var(--color-ink-soft);
  max-width: 700px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 16px 40px;
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.15em;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--color-ink);
  color: var(--color-bg);
}
.btn-primary:hover {
  background: var(--color-terra);
  transform: translateY(-2px);
}
.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn-secondary:hover {
  background: var(--color-ink);
  color: var(--color-bg);
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Page Hero (Sub-page用) ===== */
.page-hero {
  padding-top: 180px;
  padding-bottom: 80px;
  position: relative;
}
.page-hero-bg {
  position: absolute;
  top: 80px; right: -100px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(164, 194, 214, 0.15), transparent 60%);
  z-index: 0;
  pointer-events: none;
}
.breadcrumb {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-ink-light);
  margin-bottom: 24px;
  font-style: italic;
}
.breadcrumb a {
  color: var(--color-ink-light);
  text-decoration: none;
  transition: color 0.3s;
}
.breadcrumb a:hover { color: var(--color-terra); }

.page-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: var(--color-ink);
  margin-bottom: 24px;
}
.page-subtitle {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 2;
  color: var(--color-ink-soft);
  max-width: 700px;
}

/* ===== Body Content ===== */
.body-section {
  padding: 80px 0;
}
.body-section h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-ink);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-mizu);
}
.body-section h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-terra);
  margin-top: 40px;
  margin-bottom: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.body-section p {
  font-size: 16px;
  line-height: 2.1;
  color: var(--color-ink-soft);
  margin-bottom: 20px;
}
.body-section ul {
  margin: 20px 0;
  padding-left: 24px;
  color: var(--color-ink-soft);
}
.body-section ul li {
  margin-bottom: 12px;
  line-height: 1.9;
}
.body-section strong {
  color: var(--color-ink);
  font-weight: 600;
  background: linear-gradient(transparent 60%, rgba(164, 194, 214, 0.4) 60%);
}

/* ===== Quote Box ===== */
.quote-box {
  background: var(--color-paper);
  border-left: 3px solid var(--color-terra);
  padding: 32px 40px;
  margin: 40px 0;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 2.1;
  color: var(--color-ink);
  letter-spacing: 0.03em;
}

/* ===== Service detail price box ===== */
.price-box {
  background: var(--color-paper);
  padding: 40px;
  border: 1px solid rgba(42, 38, 34, 0.08);
  margin: 32px 0;
}
.price-box .price-label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  margin-bottom: 12px;
  font-style: italic;
}
.price-box .price-value {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--color-ink);
  letter-spacing: 0.03em;
  font-weight: 500;
  margin-bottom: 8px;
}
.price-box .price-note {
  font-size: 13px;
  color: var(--color-ink-light);
  line-height: 1.8;
}

/* ===== Detail CTA Section ===== */
.detail-cta {
  background: linear-gradient(135deg, var(--color-mizu-soft), var(--color-mizu) 100%);
  padding: 64px;
  text-align: center;
  margin-top: 80px;
  border: 1px solid rgba(107, 142, 163, 0.2);
}
.detail-cta h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 28px);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
  color: var(--color-ink);
}
.detail-cta p {
  font-size: 15px;
  line-height: 2;
  color: var(--color-ink-soft);
  max-width: 600px;
  margin: 0 auto 32px;
}

/* ===== Footer ===== */
footer {
  background: var(--color-ink);
  color: rgba(248, 245, 239, 0.7);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-tagline {
  font-family: var(--font-display);
  font-size: 14px;
  line-height: 2;
  color: rgba(248, 245, 239, 0.6);
}
.footer-col h5 {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  margin-bottom: 20px;
  text-transform: uppercase;
  font-style: italic;
  font-weight: 500;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a {
  color: rgba(248, 245, 239, 0.7);
  text-decoration: none;
  font-size: 13.5px;
  transition: color 0.3s;
}
.footer-col a:hover { color: var(--color-terra-soft); }
.footer-bottom {
  border-top: 1px solid rgba(248, 245, 239, 0.1);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 12px;
  color: rgba(248, 245, 239, 0.4);
}

/* ===== Annotations (v0.5.0で本番表示から除去。ステージング再利用のためclass定義は保持) ===== */
.annotation {
  position: relative;
  border: 1px dashed var(--color-terra);
  background: rgba(184, 117, 96, 0.04);
}
.annotation::before {
  content: attr(data-note);
  position: absolute;
  top: -28px; left: 0;
  background: var(--color-terra);
  color: white;
  font-size: 11px;
  padding: 4px 10px;
  letter-spacing: 0.1em;
  font-family: var(--font-body);
  z-index: 10;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .detail-cta { padding: 40px 24px; }
  section, .body-section { padding: 80px 0; }
  .page-hero { padding-top: 140px; padding-bottom: 60px; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .quote-box { padding: 24px; }
}

/* ===== Newsletter Section (MailerLite) ===== */
.newsletter-section {
  background: var(--color-bg-warm);
  padding: 80px 0;
  border-top: 1px solid rgba(42, 38, 34, 0.06);
}
.newsletter-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 0 32px;
}
.newsletter-label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--color-gold);
  font-style: italic;
  margin-bottom: 16px;
  display: block;
}
.newsletter-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: 0.06em;
  line-height: 1.6;
  margin-bottom: 20px;
}
.newsletter-title .em {
  color: var(--color-terra);
}
.newsletter-lead {
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 2.1;
  color: var(--color-ink-soft);
  margin-bottom: 36px;
}
.newsletter-form-slot {
  margin: 24px 0;
}
/* MailerLite Embed Form
   v0.5.1 PartA: JS Snippet方式で実装
   v0.5.1 PartE: CSS上書き全撤去
   v0.5.1 PartG: 静的HTML方式に切替。フォーム本体は描画確実、
                MailerLite側の見出し・説明文だけサイト側と重複するため非表示化。
                入力欄(ml-form-formContent)とボタン(ml-form-embedSubmit)はそのまま表示される。
   v0.5.1 PartJ (2026-05-16): YUKOブランド(オフホワイト×テラコッタ×ベージュゴールド×明朝)に
                合わせて MailerLite 既定スタイルを上書き。
                セレクタは .newsletter-form-slot 配下に厳密限定。
                これは PartE で動的DOMに広域CSSが噛み合ってフォームが消えた事故の再発回避策。
                PartG 以降は静的<form>がHTMLに直書きされているため上書き安全。 */
.newsletter-form-slot .ml-form-embedContent {
  display: none;
}

/* --- 外側コンテナのリセット: MailerLite既定のpadding/border/影を消す --- */
.newsletter-form-slot .ml-form-embedContainer,
.newsletter-form-slot .ml-form-align-center,
.newsletter-form-slot .ml-form-embedWrapper,
.newsletter-form-slot .ml-form-embedBody {
  max-width: 560px;
  margin: 0 auto;
  padding: 0;
  background: none;
  border: 0;
  box-shadow: none;
}

/* --- フォーム全体: デスクトップは横並び、モバイルは縦積み --- */
.newsletter-form-slot .ml-block-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: stretch;
  margin: 0;
  padding: 0;
}
.newsletter-form-slot .ml-form-formContent {
  flex: 1 1 240px;
  min-width: 0;
  margin: 0;
  padding: 0;
}
.newsletter-form-slot .ml-form-fieldRow,
.newsletter-form-slot .ml-field-group {
  margin: 0;
  padding: 0;
}

/* --- 入力欄: 和紙色背景 × 薄いベージュゴールド枠 × 凛とした角ゼロ --- */
.newsletter-form-slot input[type="email"].form-control {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1px solid rgba(198, 168, 117, 0.4);
  border-radius: 0;
  padding: 16px 18px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  box-shadow: none;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.newsletter-form-slot input[type="email"].form-control::placeholder {
  color: var(--color-ink-light);
  letter-spacing: 0.06em;
  opacity: 1;
}
.newsletter-form-slot input[type="email"].form-control:hover {
  border-color: var(--color-gold);
}
.newsletter-form-slot input[type="email"].form-control:focus {
  border-color: var(--color-mizu-deep);
  background: var(--color-bg);
  box-shadow: 0 0 0 3px rgba(164, 194, 214, 0.25);
}

/* --- 登録ボタン: .btn-primary と同じ墨色→テラコッタhover の世界観 --- */
.newsletter-form-slot .ml-form-embedSubmit {
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  position: relative;
}
.newsletter-form-slot .ml-form-embedSubmit button.primary {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-bg);
  background: var(--color-ink);
  border: 1px solid var(--color-ink);
  border-radius: 0;
  padding: 16px 32px;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s, transform 0.3s, color 0.3s;
  -webkit-appearance: none;
  appearance: none;
  white-space: nowrap;
  line-height: 1.4;
}
.newsletter-form-slot .ml-form-embedSubmit button.primary:hover {
  background: var(--color-terra);
  border-color: var(--color-terra);
  transform: translateY(-2px);
}
.newsletter-form-slot .ml-form-embedSubmit button.primary:active {
  transform: translateY(0);
}
.newsletter-form-slot .ml-form-embedSubmit button.primary:focus-visible {
  outline: 2px solid var(--color-mizu-deep);
  outline-offset: 3px;
}
/* MailerLiteが送信中に切り替えるローディングボタン */
.newsletter-form-slot .ml-form-embedSubmit button.loading {
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--color-bg);
  background: var(--color-ink-light);
  border: 1px solid var(--color-ink-light);
  border-radius: 0;
  padding: 16px 32px;
  cursor: not-allowed;
  white-space: nowrap;
}

/* --- 成功画面: 明朝見出し＋柔らかい墨色本文 --- */
.newsletter-form-slot .ml-form-successBody {
  text-align: center;
  padding: 28px 20px;
  background: var(--color-paper);
  border: 1px solid rgba(198, 168, 117, 0.3);
}
.newsletter-form-slot .ml-form-successContent h4 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-terra);
  margin: 0 0 10px;
  line-height: 1.6;
}
.newsletter-form-slot .ml-form-successContent p {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--color-ink-soft);
  line-height: 2;
  margin: 0;
}

/* --- バリデーション赤メッセージはビビッドすぎるのでテラコッタへ --- */
.newsletter-form-slot .ml-error,
.newsletter-form-slot .ml-form-fieldRow.ml-error label.error,
.newsletter-form-slot label.error {
  color: var(--color-terra);
  font-size: 12px;
  font-family: var(--font-body);
  letter-spacing: 0.03em;
  margin-top: 6px;
}

/* --- モバイル: 縦積み＆ボタンも横幅いっぱい --- */
@media (max-width: 560px) {
  .newsletter-form-slot .ml-block-form {
    flex-direction: column;
    gap: 10px;
  }
  .newsletter-form-slot .ml-form-formContent {
    flex: 1 1 auto;
  }
  .newsletter-form-slot .ml-form-embedSubmit {
    flex: 1 1 auto;
  }
  .newsletter-form-slot .ml-form-embedSubmit button.primary,
  .newsletter-form-slot .ml-form-embedSubmit button.loading {
    width: 100%;
  }
}

.newsletter-promise {
  font-size: 12px;
  color: var(--color-ink-light);
  margin-top: 16px;
  line-height: 1.9;
  font-style: italic;
}