/* 
  LifeHarmonize - Design System
  Theme: Bright, Clean, Premium
*/

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Outfit:wght@300;400;600&display=swap');

:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-bg-sub: #f9fafb;
  --color-primary: #FF9F67; /* Warm Orange */
  --color-primary-dark: #e68a50;
  --color-secondary: #E8F5E9; /* Soft Green */
  --color-text-main: #1f2937;
  --color-text-sub: #6b7280;
  --color-border: #e5e7eb;
  --color-white: #ffffff;
  
  /* Spacing */
  --space-unit: 1rem;
  --container-width: 1100px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Transition */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .font-en {
  font-family: 'Outfit', sans-serif;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
header {
  padding: 1.5rem 0;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 36px;
  width: auto;
}

.logo span {
  color: var(--color-text-main);
  font-weight: 300;
}

.nav-links {
  display: flex;
  gap: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--color-primary);
}

/* Hero Section - Premium */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(232, 245, 233, 0.6) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 0%, rgba(255, 247, 237, 0.6) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(255, 159, 103, 0.08) 0%, transparent 50%),
    var(--color-bg);
  position: relative;
  overflow: hidden;
}

/* ヒーロー背景に浮遊する装飾 */
.hero::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 159, 103, 0.06);
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(46, 125, 50, 0.05);
  animation: float 10s ease-in-out infinite reverse;
}

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

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-logo {
  max-width: 420px;
  width: 80%;
  height: auto;
  margin: 0 auto 1.5rem;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.06));
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--color-text-sub);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.9;
}

.hero-tag {
  display: inline-block;
  padding: 0.25rem 1rem;
  background-color: var(--color-secondary);
  color: #2e7d32;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

/* ヒーロー注目記事ピックアップ */
.hero-picks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 750px;
  margin: 0 auto;
}

.hero-pick {
  background: var(--color-white);
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  text-align: left;
}

.hero-pick:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.hero-pick img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.hero-pick-info {
  padding: 0.75rem;
}

.hero-pick-cat {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.2rem;
}

.hero-pick-title {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero p {
  font-size: 1.1rem;
  color: var(--color-text-sub);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

/* Article List */
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  padding-top: 4rem;
}

.section-title h2 {
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-bottom: 4rem;
}

/* Card Style */
.card {
  background: var(--color-white);
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--color-bg-sub);
  position: relative;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-meta {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin-bottom: 0.75rem;
  display: flex;
  gap: 1rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--color-text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1rem;
}

.card-price {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: auto;
}

.card-price span {
  font-size: 0.8rem;
  margin-left: 0.2rem;
}

/* Footer & Expanded Footer */
.footer {
  background-color: var(--color-bg-sub);
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 0;
  color: var(--color-text-main);
  text-align: left;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--color-text-main);
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--color-primary);
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-top: 1rem;
}

.footer-links-list {
  padding: 0;
}

.footer-links-list li {
  margin-bottom: 0.75rem;
}

.footer-links-list a {
  font-size: 0.875rem;
  color: var(--color-text-sub);
  transition: var(--transition);
}

.footer-links-list a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-latest-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-article-item:hover .footer-article-title {
  color: var(--color-primary);
  transition: var(--transition);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  background: #f3f4f6;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin-right: 1.5rem;
  transition: var(--transition);
}

.footer-bottom-links a:hover {
  color: var(--color-primary);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-sub);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-bottom-links {
    margin-bottom: 0.5rem;
  }
  .footer-bottom-links a {
    margin: 0 0.75rem;
  }
}

/* Breadcrumbs Style */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-sub);
  margin: 1.5rem 0;
  padding: 0.5rem 0;
}

.breadcrumb a {
  color: var(--color-text-sub);
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-separator {
  color: var(--color-border);
}

.breadcrumb-current {
  color: var(--color-text-main);
  font-weight: 600;
}

/* TOC Style */
.toc-box {
  background: var(--color-bg-sub);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 1.5rem;
  margin: 2rem auto;
  max-width: 700px;
}

.toc-title {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--color-text-main);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
  padding-bottom: 0.2rem;
}

.toc-box ul {
  list-style: decimal inside;
  padding-left: 0.5rem;
}

.toc-box li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.toc-box a {
  color: var(--color-text-main);
  text-decoration: none;
  transition: var(--transition);
}

.toc-box a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Rich Product Card Style */
.product-card-rich {
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  border-radius: 1.25rem;
  padding: 2rem;
  margin: 3rem auto;
  max-width: 700px;
  position: relative;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  text-align: left;
}

.product-card-rich-badge {
  position: absolute;
  top: 0;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.4rem 1.2rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-bottom-right-radius: 1rem;
}

.product-card-rich-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 2rem;
  align-items: center;
  margin-top: 0.5rem;
}

.product-card-rich-img {
  width: 100%;
  aspect-ratio: 1;
  background: var(--color-bg-sub);
  border-radius: 0.75rem;
  overflow: hidden;
}

.product-card-rich-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card-rich-info {
  display: flex;
  flex-direction: column;
}

.product-card-rich-maker {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  margin-bottom: 0.25rem;
}

.product-card-rich-title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  color: var(--color-text-main);
}

.product-card-rich-rating {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.product-card-rich-rating .stars {
  color: #ffb703;
  font-size: 1rem;
}

.product-card-rich-rating .rating-num {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  font-weight: 600;
}

.product-card-rich-price {
  font-family: 'Outfit', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.product-card-rich-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-sub);
  margin-left: 0.25rem;
}

.btn-rakuten-rich {
  display: inline-block;
  text-align: center;
  padding: 0.85rem 2rem;
  background: var(--color-primary);
  color: var(--color-white) !important;
  border-radius: 99px;
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 0 4px 12px rgba(255, 159, 103, 0.3);
  transition: var(--transition);
}

.btn-rakuten-rich:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 159, 103, 0.4);
}

@media (max-width: 600px) {
  .product-card-rich-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }
  .product-card-rich-img {
    max-width: 200px;
    margin: 0 auto;
  }
  .product-card-rich-rating {
    justify-content: center;
  }
}

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

.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero-logo {
    max-width: 280px;
  }
  .hero-picks {
    grid-template-columns: 1fr;
    max-width: 320px;
  }
  .hero-pick {
    display: flex;
    gap: 0.75rem;
    align-items: center;
  }
  .hero-pick img {
    width: 80px;
    height: 60px;
    aspect-ratio: auto;
    border-radius: 0.5rem;
    flex-shrink: 0;
  }
  .hero-pick-info {
    padding: 0.5rem 0.5rem 0.5rem 0;
  }
  .article-grid {
    grid-template-columns: 1fr;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .category-bar {
    gap: 0.5rem !important;
  }
  .cat-btn {
    font-size: 0.8rem !important;
    padding: 0.4rem 0.8rem !important;
  }
  .nav-links {
    display: none;
  }
  .logo-img {
    height: 36px;
  }
}

/* =========================================
   ランキング記事用の追加スタイル
   ========================================= */
.ranking-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 1rem;
  margin: 1.5rem 0;
  display: block;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.btn-rakuten-sm {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: var(--color-primary);
  color: white !important;
  border-radius: 99px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  margin-top: 1rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.btn-rakuten-sm:hover {
  transform: translateY(-2px);
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

/* =========================================
   カテゴリフィルターバー
   ========================================= */
.category-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 1.5rem 0;
}

.cat-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: 99px;
  background: var(--color-white);
  color: var(--color-text-sub);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: 'Noto Sans JP', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.cat-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.cat-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.cat-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.4rem;
  height: 1.4rem;
  padding: 0 0.35rem;
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(0,0,0,0.08);
  font-family: 'Outfit', sans-serif;
}

.cat-btn.active .cat-count {
  background: rgba(255,255,255,0.3);
  color: white;
}

/* =========================================
   セクションヘッダー（タイトル＋切替ボタン）
   ========================================= */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  padding-top: 2rem;
}

/* =========================================
   表示モード切替ボタン
   ========================================= */
.view-toggle {
  display: flex;
  gap: 0.25rem;
  background: var(--color-bg-sub);
  padding: 0.25rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  border-radius: 0.35rem;
  background: transparent;
  color: var(--color-text-sub);
  cursor: pointer;
  transition: var(--transition);
}

.view-btn:hover {
  color: var(--color-primary);
}

.view-btn.active {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* =========================================
   「すべての記事を表示する」ボタン
   ========================================= */
.show-all-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin: 2rem 0 4rem;
}

.btn-show-all {
  padding: 0.9rem 2.5rem;
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: 99px;
  font-size: 1rem;
  font-weight: 700;
  font-family: 'Noto Sans JP', sans-serif;
  cursor: pointer;
  transition: var(--transition);
}

.btn-show-all:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.article-count-label {
  font-size: 0.8rem;
  color: var(--color-text-sub);
}

/* =========================================
   一覧表示モード
   ========================================= */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 4rem;
}

.list-item {
  display: flex;
  gap: 1.25rem;
  padding: 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  transition: var(--transition);
  align-items: center;
}

.list-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.list-thumb {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 0.75rem;
  flex-shrink: 0;
}

.list-body {
  flex: 1;
  min-width: 0;
}

.list-cat {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background: var(--color-bg-sub);
  border-radius: 0.3rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-sub);
  margin-bottom: 0.3rem;
}

.list-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.3rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.list-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--color-text-sub);
}

.list-price {
  font-weight: 600;
  color: var(--color-primary);
  font-family: 'Outfit', sans-serif;
}