/* ==========================================================================
   Liberisia（リベリシア）公式ウェブサイト スタイルシート
   ========================================================================== */

/* --------------------------------------------------------------------------
   カスタムプロパティ（デザインシステム）
   -------------------------------------------------------------------------- */
:root {
  /* メインカラー：深い緑と清潔な白 */
  --c-primary: #0F6E56;
  --c-primary-hover: #0c5945;
  --c-primary-dark: #083c2f;
  --c-primary-soft: rgba(15, 110, 86, 0.08);

  /* アクセントカラー（セクション切り替え用無地面） */
  --c-mint: #E1F5EE;
  --c-mint-hover: #d2f0e6;
  --c-cream: #FAEEDA;
  --c-cream-hover: #f5e5c7;

  /* Relatime 限定カラー（藍色の面） */
  --c-relatime: #4f46e5;
  --c-relatime-hover: #4338ca;
  --c-relatime-bg: #EEF2FF;
  --c-relatime-border: #C7D2FE;

  /* ベース背景・カード・境界線 */
  --c-bg: #FAFBF9;
  --c-card-bg: #FFFFFF;
  --c-border: #E5E7EB;
  --c-border-card: #D1E7DF;
  --c-border-card-hover: #0F6E56;

  /* テキスト色（WCAG AAA/AA 準拠のコントラスト） */
  --c-text-main: #1F2937;
  --c-text-sub: #4B5563;
  --c-text-muted: #6B7280;
  --c-text-white: #FFFFFF;

  /* 角丸 */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  /* 影（控えめで自然なシャドウ） */
  --shadow-subtle: 0 2px 10px rgba(15, 110, 86, 0.04);
  --shadow-card: 0 4px 18px rgba(0, 0, 0, 0.06);

  /* タイポグラフィ */
  --font-family: 'Zen Maru Gothic', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;

  /* 余白・コンテナ */
  --container-max: 1080px;
  --container-pad: 20px;
}

@media (max-width: 480px) {
  :root {
    --container-pad: 16px;
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--c-text-main);
  background-color: #FAFBF9;
  /* 1. 背景の四つ葉のクローバー：薄く・小さめ・少なめに配置 */
  background-image: url('../images/clover-bg.svg');
  background-repeat: repeat;
  background-size: 420px 420px;
  overflow-x: hidden;
  overflow-wrap: break-word;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}

/* 色の付いたセクションにもクローバーを重ねる（深い緑の帯とフッターには出さない） */
.troubles,
.relatime-section,
.other-projects,
.about-section {
  background-image: url('../images/clover-bg.svg');
  background-repeat: repeat;
  background-size: 420px 420px;
}

/* スマホではクローバーの間隔をさらに広げて数を大幅に減らす */
@media (max-width: 640px) {
  body,
  .troubles,
  .relatime-section,
  .other-projects,
  .about-section {
    background-size: 640px 640px;
  }
}

/* 見出し共通：文字詰め（palt）とバランス改行 */
h1, h2, h3, h4,
.section__title,
.hero__title,
.relatime-header__title,
.monitor-banner__title {
  font-feature-settings: "palt";
  letter-spacing: 0;
  text-wrap: balance;
  /* 文節の途中で改行しない（本文は自然な折り返しに任せる） */
  word-break: auto-phrase;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease, color 0.2s ease;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --------------------------------------------------------------------------
   ユーティリティ
   -------------------------------------------------------------------------- */
.u-phrase {
  display: inline-block;
  max-width: 100%;
}

.u-nowrap {
  white-space: nowrap;
}

.u-pc-only {
  display: none;
}

@media (min-width: 768px) {
  .u-pc-only {
    display: inline;
  }
}

/* --------------------------------------------------------------------------
   レイアウト共通
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  box-sizing: border-box;
}

.section {
  padding-top: 72px;
  padding-bottom: 72px;
}

@media (min-width: 768px) {
  .section {
    padding-top: 96px;
    padding-bottom: 96px;
  }
}

.section__header {
  text-align: center;
  margin-bottom: 44px;
}

.section__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--c-primary);
  background-color: var(--c-mint);
  border: 1px solid var(--c-border-card);
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.4rem, 4.5vw, 2.15rem);
  font-weight: 700;
  color: var(--c-primary-dark);
  line-height: 1.45;
}

.section__desc {
  margin-top: 14px;
  font-size: 1.05rem;
  color: var(--c-text-sub);
  max-width: 35em;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
  text-align: center;
}

/* --------------------------------------------------------------------------
   UI パーツ（ボタン、バッジ）
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  user-select: none;
  box-sizing: border-box;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background-color: var(--c-primary);
  color: var(--c-text-white);
  box-shadow: 0 4px 14px rgba(15, 110, 86, 0.22);
}

.btn--primary:hover {
  background-color: var(--c-primary-hover);
  box-shadow: 0 6px 18px rgba(15, 110, 86, 0.3);
}

.btn--light {
  background-color: #FFFFFF;
  color: var(--c-primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.btn--light:hover {
  background-color: var(--c-mint);
  color: var(--c-primary-dark);
}

.btn--relatime {
  background-color: var(--c-relatime);
  color: var(--c-text-white);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25);
}

.btn--relatime:hover {
  background-color: var(--c-relatime-hover);
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.35);
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
}

.badge--gray {
  background-color: #F3F4F6;
  color: #6B7280;
  border: 1px solid #E5E7EB;
}

/* --------------------------------------------------------------------------
   1. ヘッダー
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-header__logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--c-primary);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.site-header__logo-sub {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  font-weight: 500;
  display: none;
}

@media (min-width: 480px) {
  .site-header__logo-sub {
    display: inline-block;
  }
}

.site-header__btn {
  font-size: 0.9rem;
  min-height: 42px;
  padding: 8px 18px;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   2. メインの見出し（ヒーローセクション）
   -------------------------------------------------------------------------- */
.hero {
  padding-top: 48px;
  padding-bottom: 64px;
  position: relative;
}

@media (min-width: 768px) {
  .hero {
    padding-top: 72px;
    padding-bottom: 88px;
  }
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 880px) {
  .hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--c-primary);
  background-color: var(--c-mint);
  border: 1px solid var(--c-border-card);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
}

.hero__label-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--c-primary);
}

.hero__title {
  font-size: clamp(1.4rem, 5.2vw, 2.5rem);
  font-weight: 700;
  color: var(--c-primary-dark);
  line-height: 1.45;
  margin-bottom: 20px;
}

.hero__desc {
  font-size: 1.05rem;
  color: var(--c-text-sub);
  line-height: 1.85;
  margin-bottom: 30px;
  max-width: 35em;
  text-align: left;
}

.hero__action {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

@media (min-width: 480px) {
  .hero__action {
    width: auto;
  }
}

.hero__action .btn {
  width: 100%;
}

@media (min-width: 480px) {
  .hero__action .btn {
    width: auto;
  }
}

.hero__note {
  font-size: 0.85rem;
  color: var(--c-text-muted);
  text-align: center;
}

@media (min-width: 480px) {
  .hero__note {
    text-align: left;
  }
}

/* スマホモックアップ */
.hero__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.phone-mockup {
  position: relative;
  width: 250px;
  height: 500px;
  background-color: #1F2937;
  border-radius: 40px;
  padding: 10px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.14);
  border: 3px solid #CBD5E1;
}

@media (min-width: 480px) {
  .phone-mockup {
    width: 265px;
    height: 530px;
  }
}

.phone-mockup__notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 72px;
  height: 14px;
  background-color: #1F2937;
  border-radius: 10px;
  z-index: 10;
}

.phone-mockup__screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 30px;
  overflow: hidden;
  background-color: #F8FAFC;
  padding-top: 24px;
  box-sizing: border-box;
}

.phone-mockup__img-wrap {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.phone-mockup__img {
  width: 100%;
  height: auto;
  position: absolute;
  top: -68px;
  left: 0;
  animation: phoneScroll 12s ease-in-out infinite;
}

@keyframes phoneScroll {
  0%, 20% {
    transform: translateY(0);
  }
  50%, 70% {
    transform: translateY(-90px);
  }
  90%, 100% {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .phone-mockup__img {
    animation: none;
    transform: translateY(0);
  }
}

.phone-mockup__caption {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  margin-top: 12px;
  text-align: center;
}

/* --------------------------------------------------------------------------
   3. 「こんな“めんどう”、ありませんか？」
   -------------------------------------------------------------------------- */
.troubles {
  background-color: var(--c-mint);
  border-top: 1px solid var(--c-border-card);
  border-bottom: 1px solid var(--c-border-card);
}

.troubles__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 768px) {
  .troubles__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

/* カードの背景は不透明な白（クローバーが文字下に重ならない） */
.trouble-card {
  background-color: #FFFFFF !important;
  border: 2px solid var(--c-border-card);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.trouble-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--c-border-card-hover);
}

.trouble-card__badge {
  align-self: flex-start;
  font-size: 0.8rem;
  font-weight: 700;
  color: #DC2626;
  background-color: #FEF2F2;
  border: 1px solid #FECACA;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.trouble-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-text-main);
  line-height: 1.5;
  margin-bottom: 12px;
}

.trouble-card__desc {
  font-size: 0.975rem;
  color: var(--c-text-sub);
  line-height: 1.8;
  text-align: left;
}

/* --------------------------------------------------------------------------
   4. Relatime の紹介（藍色の面）
   -------------------------------------------------------------------------- */
.relatime-section {
  background-color: var(--c-relatime-bg);
  border-bottom: 1px solid var(--c-relatime-border);
  position: relative;
}

.relatime-header {
  text-align: center;
  margin-bottom: 44px;
}

.relatime-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: #FFFFFF;
  padding: 6px 18px 6px 8px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 10px rgba(79, 70, 229, 0.08);
  border: 1.5px solid var(--c-relatime-border);
  margin-bottom: 16px;
}

.relatime-header__icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.relatime-header__name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-relatime);
}

.relatime-header__title {
  font-size: clamp(1.4rem, 4.5vw, 2.15rem);
  font-weight: 700;
  color: #1E1B4B;
  line-height: 1.4;
  margin-bottom: 12px;
}

.relatime-header__desc {
  font-size: 1.05rem;
  color: var(--c-text-sub);
  max-width: 35em;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  line-height: 1.8;
}

/* 3ステップ（不透明な白カード） */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 44px;
}

@media (min-width: 840px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.step-card {
  background-color: #FFFFFF !important;
  border-radius: var(--radius-md);
  border: 2px solid var(--c-relatime-border);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.05);
  display: flex;
  flex-direction: column;
}

.step-card__media {
  position: relative;
  background-color: #F8FAFC;
  border-bottom: 2px solid var(--c-relatime-border);
  height: 250px;
  overflow: hidden;
  clip-path: inset(0);
  cursor: pointer;
}

@media (max-width: 640px) {
  .step-card__media {
    height: 270px;
  }
}

.step-card__media picture {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.step-card__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: opacity 0.2s ease;
}

/* 3. 画像の切り取り
   ① スタッフ画面：カレンダーの「12・13 に希」「24 に有」が入っている部分が見えるように
*/
.step-card--step1 .step-card__media img {
  object-fit: cover;
  object-position: center 51%;
}

/* ② 管理者一覧：名前と印の部分だけ（下部の余白・フッターを完全に除外） */
.step-card--step2 .step-card__media img {
  object-fit: cover;
  object-position: left top;
}

/* ③ シフト表：左上（名前と最初の2週間くらい） */
.step-card--step3 .step-card__media img {
  object-fit: cover;
  object-position: 0% 12%;
}

.step-card__zoom-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background-color: rgba(30, 27, 75, 0.85);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 4px;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.step-card__body {
  padding: 24px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.step-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background-color: var(--c-relatime);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1E1B4B;
  line-height: 1.45;
  margin-bottom: 8px;
}

.step-card__desc {
  font-size: 0.95rem;
  color: var(--c-text-sub);
  line-height: 1.8;
  text-align: left;
}

/* 特長リスト */
.relatime-features {
  background-color: #FFFFFF !important;
  border-radius: var(--radius-md);
  border: 2px solid var(--c-relatime-border);
  padding: 32px 24px;
  max-width: 800px;
  margin: 0 auto 36px;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.04);
}

.relatime-features__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1E1B4B;
  text-align: center;
  margin-bottom: 20px;
}

.relatime-features__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.relatime-features__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1rem;
  color: var(--c-text-main);
  line-height: 1.8;
  text-align: left;
}

.relatime-features__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--c-relatime);
  margin-top: 3px;
}

.relatime-action {
  text-align: center;
}

.relatime-note {
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--c-text-muted);
  text-align: center;
}

/* --------------------------------------------------------------------------
   5. ほかの取り組み
   -------------------------------------------------------------------------- */
.other-projects {
  position: relative;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  background-color: #FFFFFF !important;
  border: 2px solid var(--c-border-card);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-subtle);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-border-card-hover);
}

.project-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.project-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--c-primary-dark);
}

.project-card__catch {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-text-main);
  margin-bottom: 12px;
  line-height: 1.5;
}

.project-card__desc {
  font-size: 0.95rem;
  color: var(--c-text-sub);
  line-height: 1.8;
  margin-bottom: 24px;
  flex: 1;
  text-align: left;
}

.project-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn--sns {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  background-color: #FFFFFF;
  color: var(--c-text-main);
  border: 1.5px solid var(--c-border-card);
  min-height: 42px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.btn--sns:hover {
  background-color: var(--c-mint);
  border-color: var(--c-primary);
}

/* --------------------------------------------------------------------------
   6. モニター募集（深い緑の帯：クローバー背景は出さない）
   -------------------------------------------------------------------------- */
.monitor-banner {
  position: relative;
  background-color: var(--c-primary);
  background-image: linear-gradient(rgba(15, 110, 86, 0.94), rgba(15, 110, 86, 0.94)), url('../images/okinawa-sea.webp');
  background-size: cover;
  background-position: center;
  color: #FFFFFF;
  text-align: center;
  padding-top: 72px;
  padding-bottom: 72px;
  overflow: hidden;
}

.monitor-banner__inner {
  max-width: 680px;
  margin: 0 auto;
}

.monitor-banner__badge {
  display: inline-block;
  background-color: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  backdrop-filter: blur(4px);
}

.monitor-banner__title {
  font-size: clamp(1.35rem, 4.8vw, 2.2rem);
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 18px;
}

.monitor-banner__desc {
  font-size: 1.05rem;
  line-height: 1.85;
  opacity: 0.95;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 32px;
  max-width: 35em;
  text-align: left;
}

.monitor-banner__action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 100%;
}

.monitor-banner__btn {
  white-space: nowrap;
  width: 100%;
  max-width: 380px;
  font-size: clamp(1rem, 4.2vw, 1.2rem);
  padding: 16px 20px;
  min-height: 56px;
  box-sizing: border-box;
}

.monitor-banner__subnote {
  font-size: 0.85rem;
  opacity: 0.88;
  line-height: 1.6;
}

.monitor-banner__copy-btn {
  font-size: 0.825rem;
  text-decoration: underline;
  opacity: 0.9;
  color: #FFFFFF;
  cursor: pointer;
  background: none;
  border: none;
  margin-top: 4px;
}

.monitor-banner__copy-btn:hover {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   7. Liberisia について（やさしいクリームの面）
   -------------------------------------------------------------------------- */
.about-section {
  background-color: var(--c-cream);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding-top: 64px;
  padding-bottom: 64px;
}

.about-card {
  max-width: 680px;
  margin: 0 auto;
  padding: 36px 28px;
  background-color: #FFFFFF !important;
  border-radius: var(--radius-md);
  border: 2px solid var(--c-border-card);
  box-shadow: var(--shadow-subtle);
  text-align: center;
}

.about-card__title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 14px;
}

.about-card__text {
  font-size: 1.05rem;
  color: var(--c-text-sub);
  line-height: 1.85;
  text-align: left;
  max-width: 35em;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   8. フッター（クローバー背景は出さない、CSS Gridで並びをそろえる）
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #1A2E26;
  background-image: none; /* クローバーは絶対に出さない */
  color: #D1D5DB;
  font-size: 0.95rem;
  line-height: 1.8;
  padding-top: 52px;
  padding-bottom: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

@media (min-width: 768px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.site-footer__left {
  display: flex;
  flex-direction: column;
}

.site-footer__brand-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
  line-height: 1.2;
}

/* <dl> と CSS Grid で、見出しの列と内容の列を分けてそろえる（見出しの列は幅を固定、「：」は付けない） */
.site-footer__meta-list {
  display: grid;
  grid-template-columns: 110px 1fr;
  row-gap: 12px;
  column-gap: 16px;
  margin: 0;
  padding: 0;
  line-height: 1.8;
}

.site-footer__meta-label {
  color: #9CA3AF;
  font-weight: 500;
  margin: 0;
  padding: 0;
}

.site-footer__meta-value {
  color: #E5E7EB;
  margin: 0;
  padding: 0;
}

/* 「メールで問い合わせる」：文字の大きさ・太さは周りと同じ、リンクだと分かる程度の下線 */
.site-footer__contact-link {
  color: #E1F5EE;
  font-weight: inherit;
  font-size: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s ease;
}

.site-footer__contact-link:hover {
  opacity: 0.8;
}

/* 右側ナビゲーション */
.site-footer__right {
  display: flex;
  flex-direction: column;
}

/* 左の「Liberisia」の見出しの下の1行目と、右の1行目の高さをそろえる */
@media (min-width: 768px) {
  .site-footer__nav-title-spacer {
    display: block;
    height: 1.35rem;
    margin-bottom: 16px;
    line-height: 1.2;
  }
}

@media (max-width: 767px) {
  .site-footer__nav-title-spacer {
    display: none;
  }
}

/* 行の間隔も左右で同じにする（row-gap: 12px、line-height: 1.8） */
.site-footer__nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  line-height: 1.8;
}

.site-footer__link {
  color: #E5E7EB;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-footer__link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* スマホでは左右を縦に並べ、左端をそろえる */
@media (max-width: 767px) {
  .site-footer__inner {
    align-items: flex-start;
  }
  .site-footer__right {
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
  }
}

.site-footer__bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 0.825rem;
  color: #9CA3AF;
}

/* --------------------------------------------------------------------------
   9. 画像拡大用ライトボックス（モーダル）
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  box-sizing: border-box;
}

.lightbox.is-active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
}

.lightbox__content {
  position: relative;
  z-index: 10;
  max-width: 94vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.96);
  transition: transform 0.25s ease;
}

.lightbox.is-active .lightbox__content {
  transform: scale(1);
}

.lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  background-color: #FFFFFF;
}

.lightbox__caption {
  color: #FFFFFF;
  margin-top: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
}

.lightbox__close {
  position: absolute;
  top: -44px;
  right: 0;
  color: #FFFFFF;
  font-size: 1.6rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  cursor: pointer;
}

.lightbox__close:hover {
  background-color: rgba(255, 255, 255, 0.35);
}

/* --------------------------------------------------------------------------
   10. 下層ページ（プライバシーポリシー等）
   -------------------------------------------------------------------------- */
.legal-page {
  padding-top: 48px;
  padding-bottom: 80px;
  background-color: transparent;
}

.legal-card {
  background-color: #FFFFFF !important;
  border-radius: var(--radius-md);
  border: 2px solid var(--c-border-card);
  padding: 36px 24px;
  box-shadow: var(--shadow-subtle);
  max-width: 800px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .legal-card {
    padding: 48px 40px;
  }
}

.legal-card h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--c-primary-dark);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--c-mint);
}

.legal-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-text-main);
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-card p, .legal-card ul {
  font-size: 0.975rem;
  color: var(--c-text-sub);
  line-height: 1.85;
  margin-bottom: 16px;
  text-align: left;
}

.legal-card ul {
  padding-left: 20px;
}

.legal-card li {
  margin-bottom: 8px;
}

.legal-card a {
  color: var(--c-primary);
  text-decoration: underline;
}

.legal-card .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 36px;
  font-weight: 700;
  text-decoration: none;
  color: var(--c-primary);
}