/* =====================================================
   きくホーム - メインスタイルシート
   ===================================================== */

/* ---------- CSS カスタムプロパティ ---------- */
:root {
  --color-primary:   #E07B3A;   /* オレンジ（ロゴアクセント） */
  --color-secondary: #3A7AB8;   /* ブルー（ロゴ屋根） */
  --color-bg:        #FFFFFF;
  --color-bg-alt:    #f6f6f6;   /* ライトベージュ */
  --color-bg-card:   #FAFAF8;
  --color-text:      #2d2d2d;
  --color-text-mid:  #5c5c5c;
  --color-text-light:#8a8a8a;
  --color-border:    #E8E4DC;
  --color-btn-hover: #c96828;
  --font-main: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Sans JP', serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 6px 24px rgba(0,0,0,.10);
  --transition: 0.22s ease;
  --container: 1120px;
}

/* ---------- リセット ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1,h2,h3,h4 { line-height: 1.4; }

/* ---------- コンテナ ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* =====================================================
   HEADER
   ===================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

/* ロゴ */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon { display: flex; align-items: center; }
.logo-text {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.04em;
}
.logo-text strong { color: var(--color-primary); font-weight: 700; }

/* ナビゲーション */
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-mid);
  padding: 4px 0;
  position: relative;
  transition: color var(--transition);
}
.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}
.site-nav a:hover { color: var(--color-primary); }
.site-nav a:hover::after { width: 100%; }

.btn-nav {
  background: var(--color-primary) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: var(--radius-sm) !important;
  transition: background var(--transition) !important;
}
.btn-nav::after { display: none !important; }
.btn-nav:hover { background: var(--color-btn-hover) !important; }

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* モバイルナビ */
.mobile-nav {
  display: none;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 16px 24px;
}
.mobile-nav ul { display: flex; flex-direction: column; gap: 0; }
.mobile-nav a {
  display: block;
  padding: 14px 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-mid);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition);
}
.mobile-nav a:hover { color: var(--color-primary); }
.mobile-nav.is-open { display: block; }

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero-section {
  background: var(--color-bg-alt);
  padding: 64px 0 48px;
}

.hero-title-area {
  text-align: center;
  margin-bottom: 48px;
}
.section-main-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.section-main-desc {
  font-size: 0.95rem;
  color: var(--color-text-mid);
  line-height: 1.8;
}

/* ヒーロー横並び */
.hero-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.hero-highlight__image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.hero-highlight__body {
  padding: 40px 40px 40px 0;
}
.hero-highlight__body h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
}
.hero-highlight__body p {
  font-size: 0.9rem;
  color: var(--color-text-mid);
  line-height: 1.9;
  margin-bottom: 28px;
}

/* =====================================================
   ボタン共通
   ===================================================== */
.btn-primary {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
  letter-spacing: 0.04em;
}
.btn-primary:hover {
  background: var(--color-btn-hover);
  transform: translateY(-1px);
}
.btn-primary.btn-lg { padding: 16px 40px; font-size: 1rem; border-radius: var(--radius-md); }

.btn-outline {
  display: inline-block;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  letter-spacing: 0.03em;
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}
.btn-outline.btn-sm { padding: 7px 16px; font-size: 0.8rem; }

.btn-mini {
  display: inline-block;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  transition: background var(--transition), color var(--transition);
}
.btn-mini:hover { background: var(--color-primary); color: #fff; }

/* =====================================================
   3列グリッド スタイルカード
   ===================================================== */
.style-cards-section {
  padding: 72px 0;
  background: var(--color-bg);
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.style-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.style-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.style-card__img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.style-card:hover .style-card__img img { transform: scale(1.04); }
.style-card__img { overflow: hidden; }
.style-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.style-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}
.style-card__desc {
  font-size: 0.85rem;
  color: var(--color-text-mid);
  line-height: 1.8;
  flex: 1;
}

/* =====================================================
   4列グリッド ミニカード
   ===================================================== */
.grid4-section {
  padding: 0 0 72px;
  background: var(--color-bg);
}

.grid-4col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.mini-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.mini-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.mini-card__img { overflow: hidden; }
.mini-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.mini-card:hover .mini-card__img img { transform: scale(1.05); }
.mini-card__body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mini-card__body h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
}
.mini-card__body p {
  font-size: 0.78rem;
  color: var(--color-text-mid);
  line-height: 1.7;
  flex: 1;
}

/* =====================================================
   横長フィーチャーリスト
   ===================================================== */
.feature-list-section {
  background: var(--color-bg-alt);
  padding: 72px 0;
}
.feature-list-section .container {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.feature-row:hover { box-shadow: var(--shadow-md); }
.feature-row--reverse { direction: rtl; }
.feature-row--reverse > * { direction: ltr; }

.feature-row__image img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}
.feature-row__body {
  padding: 40px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.feature-row__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  text-transform: uppercase;
}
.feature-row__title {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 600;
  color: var(--color-text);
}
.feature-row__body p {
  font-size: 0.875rem;
  color: var(--color-text-mid);
  line-height: 1.9;
}

/* =====================================================
   製品カタログセクション
   ===================================================== */
.products-section {
  padding: 80px 0;
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.section-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-mid);
}

.products-category {
  margin-bottom: 56px;
}
.products-category__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  border-left: 4px solid var(--color-primary);
  padding-left: 14px;
  margin-bottom: 24px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.product-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.product-card--featured {
  background: #FFF8F3;
  border-color: var(--color-primary);
}

.product-card__img { overflow: hidden; }
.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.product-card:hover .product-card__img img { transform: scale(1.06); }

.product-card__body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.product-card__name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
}

.product-card__spec {
  font-size: 0.72rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.product-card__name2 {
  font-size: 0.82rem;
  color: var(--color-text);
margin-bottom: -8px;
}

.product-card__spec2 {
  font-size: 0.72rem;
  color: var(--color-text-light);
margin-bottom: -8px;
}







/* カラードット */
.color-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}
.color-dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid rgba(0,0,0,0.12);
  cursor: pointer;
  transition: transform var(--transition);
}
.color-dot:hover { transform: scale(1.25); }

/* =====================================================
   CTAセクション
   ===================================================== */
.contact-section {
  background: linear-gradient(135deg, #E07B3A 0%, #c96828 100%);
  padding: 80px 0;
}
.contact-inner {
  text-align: center;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.contact-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}
.contact-inner p {
  font-size: 0.95rem;
  opacity: 0.92;
  line-height: 1.9;
}
.contact-inner .btn-primary {
  background: #fff;
  color: var(--color-primary);
  margin-top: 8px;
}
.contact-inner .btn-primary:hover {
  background: #f5f5f5;
}

/* =====================================================
   FOOTER
   ===================================================== */
/* =====================================================
   FOOTER
   ===================================================== */
.site-footer {
  font-family: var(--font-main);
}

/* --- フッター上部：会社紹介 --- */
.footer-about {
  background: var(--color-bg);
  padding: 56px 0 48px;
  border-top: 1px solid var(--color-border);
}
.footer-about__block {
  margin-bottom: 36px;
}
.footer-about__block:last-child { margin-bottom: 0; }

.footer-about__heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-border);
}
.footer-about__text {
  font-size: 0.875rem;
  color: var(--color-text-mid);
  line-height: 1.9;
}

/* --- フッター下部：ナビゲーション --- */
.footer-nav-area {
  background: #f0ede8;
  padding: 48px 0 40px;
}
.footer-nav-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-nav-group__title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid #d0ccc4;
}

/* 商品情報の2列 */
.footer-nav-group--wide .footer-nav-group__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav-list li::before {
  content: '› ';
  color: var(--color-text-mid);
  font-size: 0.8rem;
}
.footer-nav-list a {
  font-size: 0.82rem;
  color: var(--color-text-mid);
  transition: color var(--transition);
}
.footer-nav-list a:hover { color: var(--color-primary); }

/* SNSアイコン */
.footer-sns {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}
.footer-sns__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #888;
  color: #fff;
  font-size: 0.85rem;
  transition: background var(--transition), transform var(--transition);
}
.footer-sns__btn:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

/* --- コピーライト --- */
.footer-copy-bar {
  background: #2a2a2a;
  padding: 18px 0;
}
.footer-copy {
  text-align: center;
  font-size: 0.78rem;
  color: #888;
  margin: 0;
}

/* =====================================================
   画像2枚並びセクション
   ===================================================== */
.duo-image-section {
  padding: 64px 0;
  background: var(--color-bg);
}

.duo-image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.duo-image-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.duo-image-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.duo-image-card__img {
  overflow: hidden;
  width: 100%;
}
.duo-image-card__img img {
  width: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.duo-image-card:hover .duo-image-card__img img {
  transform: scale(1.04);
}

.duo-image-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.duo-image-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
}
.duo-image-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-mid);
  line-height: 1.85;
  flex: 1;
}

/* スマホ：縦積み */
@media (max-width: 640px) {
  .duo-image-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  /* スマホでも画像を全体表示（トリミングしない） */
  .duo-image-card__img img {
   /*  aspect-ratio: 16 / 9; */
    object-fit: cover;
  }
}

/* =====================================================
   スクロールアニメーション
   ===================================================== */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =====================================================
   レスポンシブ
   ===================================================== */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(4, 1fr); }
  .grid-4col { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .site-nav { display: none; }
  .hamburger { display: flex; }

  .hero-highlight {
    grid-template-columns: 1fr;
    gap: 0;
  }
  /* スマホ：画像をアスペクト比で全体表示（トリミングしない） */
  .hero-highlight__image {
    width: 100%;
  }
  .hero-highlight__image img {
    width: 100%;
    height: auto;
    min-height: unset;
    object-fit: contain;
    object-position: center;
    background: var(--color-bg-alt);
  }
  .hero-highlight__body { padding: 24px 20px 28px; }

  .grid-3col { grid-template-columns: 1fr; }
  .grid-4col { grid-template-columns: repeat(2, 1fr); }

  .feature-row {
    grid-template-columns: 1fr;
    direction: ltr !important;
  }
  .feature-row__body { padding: 28px; }

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

  /* フッター レスポンシブ */
  .footer-nav-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .footer-nav-group--wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .grid-4col { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .hero-section { padding: 40px 0 32px; }

  /* フッター レスポンシブ（スマホ） */
  .footer-nav-grid {
    grid-template-columns: 1fr;
  }
  .footer-nav-group--wide .footer-nav-group__cols {
    grid-template-columns: 1fr;
  }
  .footer-about__heading { font-size: 1.05rem; }
}