/* ============================================================
   雑貨屋 ことり堂 - スタイルシート
   テーマ: シンプル・清潔感・北欧セレクトショップ風
   ============================================================ */

/* ---- CSS変数 ---- */
:root {
  --color-primary:    #334155;
  --color-secondary:  #1e293b;
  --color-accent:     #f1f5f9;
  --color-bg:         #ffffff;
  --color-bg-sub:     #f8fafc;
  --color-bg-dark:    #0f172a;
  --color-text:       #1e293b;
  --color-text-sub:   #64748b;
  --color-border:     #cbd5e1;
  --color-white:      #ffffff;
  --color-gift:       #475569;
  --color-warning:    #f59e0b;
  --color-danger:     #e11d48;
  --color-demo-banner: #e2e8f0;
  --color-demo-banner-text: #0f172a;
  --color-overlay:    rgba(15, 23, 42, 0.4);
  --color-hero-grad-start: #ffffff;
  --color-hero-grad-mid: #f8fafc;
  --color-hero-grad-end: #e2e8f0;
  --color-hero-overlay-start: rgba(255, 255, 255, 0.96);
  --color-hero-overlay-mid: rgba(248, 250, 252, 0.78);
  --radius:           4px;
  --radius-sm:        4px;
  --radius-lg:        12px;
  --font-main:        'Noto Sans JP', sans-serif;
  --font-en:          'Lato', sans-serif;
  --shadow-sm:        0 8px 20px rgba(15, 23, 42, 0.06);
  --shadow-md:        0 18px 40px rgba(15, 23, 42, 0.09);
  --shadow-lg:        0 28px 60px rgba(15, 23, 42, 0.12);
  --shadow-primary-sm: 0 10px 24px rgba(51, 65, 85, 0.18);
  --shadow-primary-md: 0 14px 32px rgba(30, 41, 59, 0.22);
  --transition:       0.3s ease;
  --max-width:        1140px;
  --header-height:    72px;
  --demo-banner-height: 40px;
}

/* ---- リセット ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.demo-banner {
  position: sticky;
  top: 0;
  z-index: 1100;
  min-height: var(--demo-banner-height);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  background: var(--color-demo-banner);
  color: var(--color-demo-banner-text);
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.4;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.8; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font-main); border: none; background: none; }

/* ---- レイアウト ---- */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin-inline: auto;
}
.section { padding: 80px 0; }
.section--bg { background: var(--color-bg-sub); }
.section--dark { background: var(--color-bg-dark); color: var(--color-white); }
.section-head { text-align: center; margin-bottom: 56px; }
.section-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-bg-sub);
  border: 1px solid var(--color-accent);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
}
.section-desc {
  margin-top: 16px;
  color: var(--color-text-sub);
  font-size: 0.95rem;
}
.section--dark .section-label {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: var(--color-accent);
}
.section--dark .section-title { color: var(--color-white); }

/* ---- ボタン ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: all var(--transition);
  line-height: 1;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-primary-sm);
}
.btn--primary:hover {
  background: var(--color-secondary);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary-md);
}
.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  opacity: 1;
}
.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.btn--white:hover {
  background: var(--color-bg-sub);
  opacity: 1;
}
.btn--lg { padding: 18px 44px; font-size: 1.05rem; }

/* ---- ヘッダー ---- */
.site-header {
  position: fixed;
  top: var(--demo-banner-height);
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-logo img { height: 44px; width: auto; }
.site-name-text {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}
.global-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-link:hover::after { transform: scaleX(1); }
.nav-link--cta {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px 20px;
  border-radius: var(--radius);
  font-size: 0.85rem;
}
.nav-link--cta::after { display: none; }
.nav-link--cta:hover { background: var(--color-secondary); opacity: 1; }

/* ---- ハンバーガーメニュー ---- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 6px;
  z-index: 1100;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 900;
}
.overlay.active { display: block; }

/* ---- ヒーロー ---- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: calc(var(--header-height) + var(--demo-banner-height));
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-hero-grad-start) 0%, var(--color-hero-grad-mid) 55%, var(--color-hero-grad-end) 100%);
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.85;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, var(--color-hero-overlay-start) 0%, var(--color-hero-overlay-mid) 52%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 580px;
}
.hero-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 100px;
  padding: 5px 16px;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
  color: var(--color-text);
}
.hero-title em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-desc {
  font-size: 1rem;
  color: var(--color-text-sub);
  margin-bottom: 36px;
  line-height: 1.9;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-text-sub);
}
.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollLine 1.5s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0.3); transform-origin: bottom; }
}

/* ---- ギフトバナー ---- */
.gift-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  padding: 20px 0;
}
.gift-banner-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.gift-icon {
  font-size: 1.5rem;
}
.gift-banner-text {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
}
.gift-banner-sub {
  font-size: 0.85rem;
  opacity: 0.9;
}

/* ---- 商品カード ---- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.product-card-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg-sub);
}
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-card-img img {
  transform: scale(1.06);
}
.product-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 100px;
}
.product-card-body { padding: 18px; }
.product-card-category {
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.product-card-name {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.5;
}
.product-card-price {
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-secondary);
}
.product-card-price span {
  font-family: var(--font-main);
  font-size: 0.8rem;
  color: var(--color-text-sub);
  font-weight: 400;
  margin-left: 2px;
}

/* ---- カテゴリタブ ---- */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 44px;
}
.tab-btn {
  padding: 8px 22px;
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 500;
  border: 2px solid var(--color-border);
  color: var(--color-text-sub);
  transition: all var(--transition);
  background: var(--color-white);
}
.tab-btn.active, .tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-bg-sub);
}

/* ---- 特徴 ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-bg-sub);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
}
.feature-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 0.88rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

/* ---- Instagramフィード ---- */
.instagram-section { background: var(--color-bg-sub); }
.instagram-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  border-radius: var(--radius);
  overflow: hidden;
}
.instagram-item {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-border);
}
.instagram-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.instagram-item:hover img { transform: scale(1.08); }
.instagram-follow {
  text-align: center;
  margin-top: 32px;
}
.instagram-embed-wrap {
  max-width: 680px;
  margin: 0 auto;
}

/* ---- お知らせ ---- */
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}
.news-item:hover { background: var(--color-bg-sub); margin-inline: -16px; padding-inline: 16px; border-radius: var(--radius-sm); }
.news-date {
  font-family: var(--font-en);
  font-size: 0.82rem;
  color: var(--color-text-sub);
  white-space: nowrap;
  padding-top: 2px;
}
.news-badge {
  background: var(--color-accent);
  color: var(--color-secondary);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  white-space: nowrap;
}
.news-title {
  font-size: 0.95rem;
  font-weight: 500;
  flex: 1;
}

/* ---- お客様の声 ---- */
.voices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.voice-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-primary);
}
.voice-stars {
  color: var(--color-warning);
  font-size: 1rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.voice-text {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 16px;
}
.voice-name {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  font-weight: 700;
}

/* ---- ページヘッダー ---- */
.page-hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-sub) 100%);
  margin-top: calc(var(--header-height) + var(--demo-banner-height));
}
.page-hero-label {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: 12px;
}
.page-hero-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}
.page-hero-desc {
  color: var(--color-text-sub);
  font-size: 0.95rem;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin-top: 20px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-border); }

/* ---- Aboutページ ---- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-img-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.about-label { color: var(--color-primary); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.1em; margin-bottom: 12px; }
.about-title { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; line-height: 1.4; margin-bottom: 20px; }
.about-text { font-size: 0.95rem; color: var(--color-text-sub); line-height: 2; }
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.value-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--color-bg-sub);
  border-radius: var(--radius-lg);
  border-bottom: 3px solid var(--color-primary);
}
.value-num {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 8px;
}
.value-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.value-desc { font-size: 0.85rem; color: var(--color-text-sub); line-height: 1.8; }

/* ---- フォーム ---- */
.form-wrap { max-width: 720px; margin-inline: auto; }
.form-group { margin-bottom: 28px; }
.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.form-required {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: 8px;
  vertical-align: middle;
}
.form-optional {
  display: inline-block;
  background: var(--color-border);
  color: var(--color-text-sub);
  font-size: 0.68rem;
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: 8px;
  vertical-align: middle;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(51, 65, 85, 0.16);
}
.form-textarea { resize: vertical; min-height: 140px; line-height: 1.8; }
.form-error { color: var(--color-danger); font-size: 0.82rem; margin-top: 6px; display: none; }
.form-error.visible { display: block; }
.form-note { font-size: 0.82rem; color: var(--color-text-sub); margin-top: 6px; }

.privacy-check { display: flex; align-items: flex-start; gap: 10px; }
.privacy-check input[type="checkbox"] { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--color-primary); cursor: pointer; }
.form-submit { text-align: center; margin-top: 40px; }

/* ---- ブログ ---- */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
}
.blog-list { display: flex; flex-direction: column; gap: 24px; }
.blog-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.blog-card-img { aspect-ratio: 4/3; overflow: hidden; background: var(--color-bg-sub); }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.blog-card:hover .blog-card-img img { transform: scale(1.06); }
.blog-card-body { padding: 20px 20px 20px 0; }
.blog-card-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.blog-card-date { font-family: var(--font-en); font-size: 0.8rem; color: var(--color-text-sub); }
.blog-card-badge { background: var(--color-bg-sub); color: var(--color-primary); font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 100px; border: 1px solid var(--color-accent); }
.blog-card-title { font-size: 1rem; font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.blog-card-excerpt { font-size: 0.88rem; color: var(--color-text-sub); line-height: 1.7; }

.blog-sidebar { position: sticky; top: calc(var(--header-height) + var(--demo-banner-height) + 24px); }
.sidebar-widget { background: var(--color-bg-sub); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; }
.sidebar-title { font-size: 0.9rem; font-weight: 700; border-left: 3px solid var(--color-primary); padding-left: 10px; margin-bottom: 16px; }
.sidebar-tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.sidebar-tag { padding: 4px 12px; background: var(--color-white); border: 1px solid var(--color-border); border-radius: 100px; font-size: 0.8rem; color: var(--color-text-sub); transition: all var(--transition); }
.sidebar-tag:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---- ブログ詳細 ---- */
.article-wrap { max-width: 760px; margin-inline: auto; }
.article-header { margin-bottom: 36px; }
.article-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.article-title { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 700; line-height: 1.4; }
.article-hero { border-radius: var(--radius); overflow: hidden; margin-bottom: 40px; aspect-ratio: 16/9; background: var(--color-bg-sub); }
.article-hero img { width: 100%; height: 100%; object-fit: cover; }
.article-body { font-size: 0.97rem; line-height: 2; }
.article-body p { margin-bottom: 1.5em; }
.article-body h2 { font-size: 1.3rem; font-weight: 700; margin: 2em 0 1em; padding-left: 14px; border-left: 4px solid var(--color-primary); }
.article-body h3 { font-size: 1.1rem; font-weight: 700; margin: 1.8em 0 0.8em; }
.article-body img { border-radius: var(--radius-sm); margin: 1.5em 0; }
.article-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--color-border); }
.article-nav a { font-size: 0.88rem; font-weight: 700; color: var(--color-primary); max-width: 40%; }

/* ---- サンクスページ ---- */
.thanks-section {
  padding: 120px 0;
  text-align: center;
}
.thanks-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-bg-sub);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  font-size: 2rem;
}
.thanks-title { font-size: 1.8rem; font-weight: 700; margin-bottom: 16px; }
.thanks-text { color: var(--color-text-sub); font-size: 0.95rem; line-height: 2; margin-bottom: 40px; }

/* ---- フッター ---- */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.8);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo img { height: 40px; width: auto; filter: brightness(2); margin-bottom: 16px; }
.footer-tagline { font-size: 0.82rem; color: rgba(255,255,255,0.5); margin-bottom: 8px; }
.footer-desc { font-size: 0.82rem; color: rgba(255,255,255,0.6); line-height: 1.8; margin-bottom: 20px; }
.instagram-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-size: 0.88rem;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,0.2);
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.instagram-link:hover { background: rgba(255,255,255,0.1); opacity: 1; }
.footer-nav-title { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 16px; }
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-size: 0.88rem; color: rgba(255,255,255,0.7); transition: color var(--transition); }
.footer-nav a:hover { color: var(--color-accent); opacity: 1; }
.footer-dl { font-size: 0.85rem; }
.footer-dl dt { font-weight: 700; color: rgba(255,255,255,0.5); font-size: 0.75rem; letter-spacing: 0.06em; margin-top: 12px; }
.footer-dl dt:first-child { margin-top: 0; }
.footer-dl dd { color: rgba(255,255,255,0.8); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; }
.copyright { font-size: 0.78rem; color: rgba(255,255,255,0.4); }

/* ---- アニメーション ---- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ---- ユーティリティ ---- */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mt-56 { margin-top: 56px; }


/* ============================================================
   レスポンシブ（768px以下）
   ============================================================ */
@media (max-width: 768px) {
  :root { --header-height: 60px; --demo-banner-height: 56px; }

  .global-nav {
    position: fixed;
    top: var(--demo-banner-height);
    right: -100%;
    width: min(80vw, 300px);
    height: calc(100vh - var(--demo-banner-height));
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: calc(var(--header-height) + 24px) 32px 32px;
    z-index: 1000;
    transition: right var(--transition);
    overflow-y: auto;
  }
  .global-nav.open { right: 0; }
  .global-nav .nav-list { flex-direction: column; gap: 0; align-items: stretch; }
  .nav-link { display: block; padding: 16px 0; border-bottom: 1px solid var(--color-border); font-size: 0.95rem; }
  .nav-link--cta { display: inline-flex; margin-top: 20px; text-align: center; justify-content: center; border-bottom: none; }
  .hamburger { display: flex; }

  .hero { height: calc(100svh - var(--header-height) - var(--demo-banner-height)); min-height: 500px; }
  .hero-title { font-size: 1.8rem; }
  .hero-desc { font-size: 0.9rem; }

  .features-grid { grid-template-columns: 1fr; gap: 20px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .voices-grid { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; gap: 36px; }
  .about-values { grid-template-columns: 1fr; gap: 16px; }
  .instagram-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card { grid-template-columns: 1fr; }
  .blog-card-body { padding: 16px; }
  .article-nav { flex-direction: column; }
  .article-nav a { max-width: 100%; }
  .section { padding: 60px 0; }
}

/* ============================================================
   レスポンシブ（480px以下）
   ============================================================ */
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .instagram-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
}