/*
Theme Name: manekineko-lab Corporate (招き猫総合研究所)
Theme URI: https://manekineko-lab.co.jp/
Description: manekineko-lab.co.jp のコーポレートサイト用テーマ（静的デザイン移植）
Version: 1.0.0
Author: manekineko-lab
License: MIT
*/

/* ==========================================================================
   manekineko-lab.co.jp — 共通スタイルシート
   デザインコンセプト: 江戸町民の暮らし × 浮世絵 × 侘び寂び
   ========================================================================== */

/* --------------------------------------------------------------------------
   Google Fonts
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;600&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&display=swap');

/* --------------------------------------------------------------------------
   デザイントークン（カラー・フォント・スペーシング）
   -------------------------------------------------------------------------- */
:root {
  /* カラー */
  --color-bg:           #F5F0E6;   /* 生成り — 和紙の温もり */
  --color-bg-warm:      #EDE7D6;   /* 濃い生成り — セクション区切り */
  --color-bg-dark:      #1A1208;   /* 墨 — ダークセクション */
  --color-bg-dark-2:    #241C0E;   /* 濃い墨 */

  --color-text:         #1A1208;   /* 墨 — メインテキスト */
  --color-text-mid:     #4A3E2C;   /* 薄墨 — サブテキスト */
  --color-text-light:   #7A6A52;   /* 灰茶 — 補足テキスト */
  --color-text-on-dark: #E8E0D0;   /* 生成り on ダーク */

  --color-accent:       #8C1C1C;   /* 朱 — 鳥居の赤 */
  --color-accent-light: #B84040;   /* 薄朱 */
  --color-gold:         #A08540;   /* 金茶 */
  --color-gold-light:   #C4A86A;   /* 薄金 */
  --color-indigo:       #1D2B4E;   /* 藍鼠 — 江戸の藍 */

  --color-border:       #C9B99A;   /* 薄茶 */
  --color-border-dark:  #3A2E1C;   /* 墨縁 */
  --color-border-gold:  #A08540;   /* 金縁 */

  /* フォント */
  --font-ja: 'Noto Serif JP', '游明朝', 'Yu Mincho', 'HG明朝E', serif;
  --font-en: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;

  /* スペーシング */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   2rem;
  --space-lg:   4rem;
  --space-xl:   6rem;
  --space-2xl:  9rem;

  /* レイアウト */
  --container-max: 1100px;
  --container-narrow: 720px;
  --border-radius: 2px;

  /* アニメーション */
  --transition: 0.3s ease;
}

/* --------------------------------------------------------------------------
   リセット & ベース
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-ja);
  font-weight: 300;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   背景パターン（麻の葉・江戸格子）
   -------------------------------------------------------------------------- */
.bg-pattern {
  background-color: var(--color-bg);
  background-image:
    linear-gradient(45deg, rgba(160, 133, 64, 0.06) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(160, 133, 64, 0.06) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(160, 133, 64, 0.06) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(160, 133, 64, 0.06) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0px;
}

/* --------------------------------------------------------------------------
   コンテナ
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* --------------------------------------------------------------------------
   セクション区切り装飾（和風）
   -------------------------------------------------------------------------- */
.section-divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-gold), transparent);
}

.section-divider span {
  font-family: var(--font-ja);
  font-size: 1.2rem;
  color: var(--color-gold);
  letter-spacing: 0.2em;
}

/* 文様区切り線 */
.ornament-line {
  text-align: center;
  margin: var(--space-lg) 0;
  color: var(--color-gold);
  letter-spacing: 0.5em;
  font-size: 0.85rem;
  opacity: 0.8;
}

.ornament-line::before { content: '◆ '; }
.ornament-line::after  { content: ' ◆'; }

/* --------------------------------------------------------------------------
   MV（メインビジュアル）
   全画面写真 · 中央テキスト · 下部NEWSバー
   -------------------------------------------------------------------------- */
.mv {
  position: relative;
  width: 100vw;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
}

/* ── 背景写真（画面いっぱい）── */
.mv__bg {
  position: absolute;
  inset: 0;
  background-image: url('images/hero-edo.jpg');
  background-size: cover;
  background-position: center center;
}

.mv__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(4, 2, 0, 0.5);
}

/* ── 中央テキストブロック ── */
.mv__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 clamp(1rem, 4vw, 4rem);
  max-width: 1100px;
  width: 100%;
}

.mv__deco {
  color: rgba(193, 158, 50, 0.85);
  font-size: 1.1rem;
  margin-bottom: 1.6rem;
  letter-spacing: 0.5em;
  text-shadow: 0 3px 24px rgba(0, 0, 0, 0.45);
}

.mv__title {
  font-family: var(--font-ja);
  font-size: clamp(1.45rem, 3.5vw, 2.9rem);
  font-weight: 300;
  letter-spacing: 0.12em;
  line-height: 1.55;
  color: rgba(252, 248, 238, 0.97);
  text-shadow: 0 3px 52px rgba(0, 0, 0, 0.6);
  margin-bottom: 0;
}

.mv__title-line {
  display: block;
  white-space: nowrap;
}

/* ── 下部 NEWS バー ── */
.mv__news {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  align-items: stretch;
  height: 54px;
}

.mv__news-label {
  background: rgba(148, 116, 28, 0.92);
  color: #fff;
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  min-width: 110px;
  justify-content: center;
  flex-shrink: 0;
}

.mv__news-body {
  background: rgba(18, 12, 2, 0.72);
  display: flex;
  align-items: center;
  padding: 0 1.8rem;
  gap: 1.8rem;
  flex: 1;
  backdrop-filter: blur(4px);
  overflow: hidden;
}

.mv__news-date {
  font-family: var(--font-en);
  font-size: 0.7rem;
  color: rgba(193, 158, 50, 0.88);
  letter-spacing: 0.08em;
  white-space: nowrap;
  flex-shrink: 0;
}

.mv__news-text {
  font-family: var(--font-ja);
  font-size: 0.78rem;
  color: rgba(235, 225, 205, 0.85);
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition);
}

.mv__news-text:hover {
  color: rgba(255, 245, 220, 1);
}

/* ── MV レスポンシブ ── */
@media (max-width: 768px) {
  .mv__inner { padding: 0 1.5rem; }
  .mv__title { font-size: clamp(1.3rem, 6vw, 2rem); letter-spacing: 0.08em; line-height: 1.6; }
  .mv__title-line { white-space: normal; }
  .mv__news-body { padding: 0 1rem; gap: 1rem; }
  .mv__news-date { display: none; }
}

/* --------------------------------------------------------------------------
   ナビゲーション
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
}

/* ▼ トップ透過状態（スクロール前）: ナビを白文字に */
.site-header:not(.scrolled) .main-nav a {
  color: rgba(238, 228, 200, 0.88);
}
.site-header:not(.scrolled) .main-nav a:hover,
.site-header:not(.scrolled) .main-nav a.active {
  color: rgba(210, 170, 60, 1);
}
.site-header:not(.scrolled) .main-nav a::after {
  background: rgba(210, 170, 60, 0.85);
}
.site-header:not(.scrolled) .nav-cta {
  background: transparent !important;
  border-color: rgba(238, 228, 200, 0.5) !important;
  color: rgba(238, 228, 200, 0.9) !important;
}
.site-header:not(.scrolled) .nav-cta:hover {
  background: rgba(238, 228, 200, 0.12) !important;
}
.site-header:not(.scrolled) .hamburger span {
  background: rgba(238, 228, 200, 0.9);
}

.site-header.scrolled {
  background: rgba(245, 240, 230, 0.97);
  box-shadow: 0 1px 20px rgba(26, 18, 8, 0.08);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.2rem var(--space-md);
  gap: var(--space-md);
}

/* ロゴ */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

/* ロゴ画像（PNG） */
.site-logo__img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* ---- 旧SVG・テキスト構成（フォールバック用に残存） ---- */
.site-logo__mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-logo__ja {
  font-family: var(--font-ja);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-text);
  line-height: 1.2;
}

.site-logo__en {
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--color-text-light);
  text-transform: uppercase;
}

/* メインナビ */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.main-nav a {
  font-family: var(--font-ja);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-text-mid);
  position: relative;
  padding-bottom: 2px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  opacity: 1;
  color: var(--color-accent);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

/* CTA ボタン（ナビ内） */
.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 0.5rem 1.2rem !important;
  border: 1px solid var(--color-accent);
  font-size: 0.78rem !important;
  letter-spacing: 0.1em;
  transition: background var(--transition), color var(--transition) !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  background: transparent !important;
  color: var(--color-accent) !important;
  opacity: 1 !important;
}

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: var(--transition);
}

/* --------------------------------------------------------------------------
   ページヘッダー（内部ページ）
   -------------------------------------------------------------------------- */
.page-header {
  padding: calc(var(--space-xl) + 4rem) var(--space-md) var(--space-xl);
  text-align: center;
  background: var(--color-bg-warm);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, rgba(160, 133, 64, 0.05) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(160, 133, 64, 0.05) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(160, 133, 64, 0.05) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(160, 133, 64, 0.05) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0px;
}

.page-header__en {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
  position: relative;
}

.page-header__ja {
  font-family: var(--font-ja);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--color-text);
  position: relative;
}

/* --------------------------------------------------------------------------
   セクション共通
   -------------------------------------------------------------------------- */
.section {
  padding: var(--space-xl) 0;
}

.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.section--warm {
  background: var(--color-bg-warm);
}

.section-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-ja);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  line-height: 1.5;
  color: var(--color-text);
}

.section-title--on-dark {
  color: var(--color-text-on-dark);
}

.section-title--center {
  text-align: center;
}

.section-lead {
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-text-mid);
  margin-top: var(--space-sm);
}

.section-lead--on-dark {
  color: rgba(232, 224, 208, 0.75);
}

/* --------------------------------------------------------------------------
   ボタン
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--font-ja);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  padding: 0.9rem 2.4rem;
  border: 1px solid currentColor;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: transparent;
  color: var(--color-accent);
  opacity: 1;
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}

.btn--outline:hover {
  background: var(--color-text);
  color: var(--color-bg);
  opacity: 1;
}

.btn--outline-light {
  background: transparent;
  color: var(--color-text-on-dark);
  border-color: var(--color-border-gold);
}

.btn--outline-light:hover {
  background: var(--color-gold);
  color: var(--color-bg-dark);
  border-color: var(--color-gold);
  opacity: 1;
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-bg-dark);
  border-color: var(--color-gold);
}

.btn--gold:hover {
  background: transparent;
  color: var(--color-gold);
  opacity: 1;
}

/* --------------------------------------------------------------------------
   テーブル（会社概要）
   -------------------------------------------------------------------------- */
.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  padding: 1.1rem var(--space-sm);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.88rem;
  line-height: 1.8;
  vertical-align: top;
}

.info-table th {
  width: 180px;
  color: var(--color-text-light);
  font-weight: 400;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.info-table td {
  color: var(--color-text-mid);
}

.info-table tr:first-child th,
.info-table tr:first-child td {
  border-top: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   カード
   -------------------------------------------------------------------------- */
.card-grid {
  display: grid;
  gap: var(--space-md);
}

.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-lg) var(--space-md);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(26, 18, 8, 0.08);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
}

.card__label {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.card__title {
  font-family: var(--font-ja);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.card__body {
  font-size: 0.85rem;
  line-height: 2;
  color: var(--color-text-mid);
  margin-bottom: var(--space-md);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-en);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.card__link::after {
  content: '→';
}

/* --------------------------------------------------------------------------
   フォーム
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--color-text-mid);
  margin-bottom: 0.5rem;
}

.form-label .required {
  color: var(--color-accent);
  margin-left: 0.3rem;
  font-size: 0.75rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 0.85rem var(--space-sm);
  font-family: var(--font-ja);
  font-size: 0.88rem;
  color: var(--color-text);
  transition: border-color var(--transition);
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}

.form-textarea {
  height: 160px;
  resize: vertical;
  line-height: 1.8;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237A6A52' d='M0 0l6 8 6-8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* --------------------------------------------------------------------------
   フッター
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: var(--space-xl) 0 var(--space-md);
  border-top: 1px solid var(--color-border-dark);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-xl);
  align-items: start;
  margin-bottom: var(--space-lg);
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-sm);
}

.footer-brand__name-ja {
  font-family: var(--font-ja);
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--color-text-on-dark);
}

.footer-brand__address {
  font-size: 0.78rem;
  color: rgba(232, 224, 208, 0.5);
  line-height: 1.8;
  letter-spacing: 0.05em;
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-align: right;
}

.footer-nav a {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: rgba(232, 224, 208, 0.65);
}

.footer-nav a:hover {
  color: var(--color-text-on-dark);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-top: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.footer-copyright {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: rgba(232, 224, 208, 0.35);
}

.footer-links {
  display: flex;
  gap: var(--space-sm);
  list-style: none;
}

.footer-links a {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(232, 224, 208, 0.4);
}

/* --------------------------------------------------------------------------
   フェードインアニメーション
   -------------------------------------------------------------------------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* --------------------------------------------------------------------------
   レスポンシブ
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }

  .card-grid--2,
  .card-grid--3 {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer-nav {
    text-align: left;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .info-table th {
    width: 120px;
    font-size: 0.82rem;
  }
}

@media (max-width: 600px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4.5rem;
  }

  .info-table {
    display: block;
  }

  .info-table tr {
    display: block;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm) 0;
  }

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
    border: none;
    padding: 0.3rem 0;
  }

  .info-table tr:first-child th { border: none; }
  .info-table tr:first-child td { border: none; }
}

/* --------------------------------------------------------------------------
   ユーティリティ
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-gold    { color: var(--color-gold); }
.text-accent  { color: var(--color-accent); }
.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }