@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&family=Nunito:wght@300;400;500;600;700&display=swap');

/* =====================
   CSS 变量 & 基础重置
   ===================== */
:root {
  --cream: #f5e6c8;
  --caramel: #d4a574;
  --ink: #262117;
  --ink-soft: #3d3425;
  --cream-dark: #e8d4a8;
  --caramel-dark: #b8885a;
  --caramel-light: #e8c49a;
  --glass-bg: rgba(245, 230, 200, 0.18);
  --glass-border: rgba(212, 165, 116, 0.35);
  --glass-shadow: rgba(38, 33, 23, 0.25);
  --radius: 10px;
  --radius-lg: 16px;
  --font-heading: 'Fredoka', 'Nunito', sans-serif;
  --font-body: 'Nunito', sans-serif;
  --header-h: 64px;
  --anchor-h: 40px;
  --max-w: 1100px;
  --content-w: 760px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 17px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--ink);
  color: var(--cream);
  line-height: 1.7;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--caramel); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--cream); }
ul, menu { list-style: none; padding: 0; margin: 0; }

/* =====================
   フィルム粒子 & 光漏れオーバーレイ
   ===================== */
.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 180px 180px;
  mix-blend-mode: overlay;
}

.light-leak {
  position: fixed;
  top: -20%;
  right: -10%;
  width: 55%;
  height: 70%;
  pointer-events: none;
  z-index: 998;
  background: radial-gradient(ellipse at 70% 20%, rgba(212,165,116,0.13) 0%, rgba(245,230,200,0.07) 40%, transparent 70%);
  animation: lightLeakDrift 12s ease-in-out infinite alternate;
}

@keyframes lightLeakDrift {
  0%   { transform: translate(0,0) scale(1); opacity: 0.7; }
  50%  { transform: translate(-3%,4%) scale(1.05); opacity: 1; }
  100% { transform: translate(2%,-2%) scale(0.97); opacity: 0.8; }
}

@media (prefers-reduced-motion: reduce) {
  .light-leak { animation: none; }
  * { transition: none !important; animation: none !important; }
}

/* =====================
   サイトラッパー
   ===================== */
.site-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      rgba(245,230,200,0.018) 3px,
      rgba(245,230,200,0.018) 4px
    ),
    linear-gradient(160deg, #2e2618 0%, #1e1a0e 60%, #262117 100%);
}

/* =====================
   ヘッダー
   ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  background: rgba(38,33,23,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-logo img { border-radius: 6px; }
.brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: 0.02em;
}

/* details > summary + menu > li > a  ナビ構造 */
.nav-details { position: relative; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px 8px;
  list-style: none;
  min-height: 44px;
  min-width: 44px;
  justify-content: center;
  align-items: center;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  transition: background 0.2s;
}
.nav-toggle::-webkit-details-marker { display: none; }
.nav-toggle:hover { background: rgba(212,165,116,0.25); }

.hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--caramel);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-details[open] .hamburger-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-details[open] .hamburger-bar:nth-child(2) { opacity: 0; }
.nav-details[open] .hamburger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: rgba(38,33,23,0.97);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  min-width: 220px;
  padding: 8px 0;
  box-shadow: 0 8px 32px var(--glass-shadow);
  z-index: 300;
}
.nav-menu li { }
.nav-menu li a {
  display: block;
  padding: 12px 20px;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  min-height: 44px;
  line-height: 1.4;
  transition: background 0.15s, color 0.15s;
}
.nav-menu li a:hover {
  background: rgba(212,165,116,0.18);
  color: var(--caramel);
}

/* =====================
   スティッキーアンカーバー
   ===================== */
.sticky-anchor-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 190;
  background: rgba(38,33,23,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(212,165,116,0.2);
  height: var(--anchor-h);
}
.anchor-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
  overflow-x: auto;
  scrollbar-width: none;
}
.anchor-inner::-webkit-scrollbar { display: none; }
.anchor-inner a {
  color: rgba(245,230,200,0.65);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: 0.04em;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.anchor-inner a:hover {
  color: var(--caramel);
  border-bottom-color: var(--caramel);
}

/* =====================
   ガラスカード
   ===================== */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px var(--glass-shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  overflow: hidden;
}
.glass-card:hover {
  transform: translateY(-3px) scale(1.012);
  box-shadow: 0 10px 36px rgba(212,165,116,0.25);
  border-color: var(--caramel);
}

/* =====================
   ポラロイドフレーム
   ===================== */
.polaroid-frame {
  position: relative;
  background: var(--cream-dark);
  padding: 10px 10px 36px 10px;
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(38,33,23,0.6), 0 2px 8px rgba(38,33,23,0.4);
  max-width: 440px;
  animation: polaroidShake 8s ease-in-out infinite;
}
.polaroid-frame img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 2px;
  filter: sepia(0.3) contrast(1.05) saturate(0.82);
}
.article-hero-frame { max-width: 100%; margin: 24px 0; }
.article-hero-frame img { height: 320px; }

@keyframes polaroidShake {
  0%,100% { transform: rotate(-1.2deg); }
  40%      { transform: rotate(1.0deg); }
  70%      { transform: rotate(-0.5deg); }
}

.vhs-scanline {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    180deg,
    transparent 0px,
    transparent 3px,
    rgba(38,33,23,0.06) 3px,
    rgba(38,33,23,0.06) 4px
  );
  border-radius: 2px;
  animation: vhsTracking 6s linear infinite;
}
@keyframes vhsTracking {
  0%   { opacity: 1; clip-path: inset(0 0 100% 0); }
  10%  { clip-path: inset(0 0 0 0); }
  90%  { clip-path: inset(0 0 0 0); opacity: 1; }
  100% { clip-path: inset(100% 0 0 0); opacity: 0.4; }
}

/* =====================
   ヒーローセクション（ホーム）
   ===================== */
.hero-section {
  padding: 64px 20px 48px;
  position: relative;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-text { }
.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--caramel);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-family: var(--font-heading);
}
.hero-h1 {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.25;
  margin-bottom: 18px;
}
.hero-lead {
  font-size: 1.02rem;
  color: rgba(245,230,200,0.8);
  line-height: 1.75;
  margin-bottom: 28px;
  max-width: 480px;
}
.btn-primary {
  display: inline-block;
  padding: 13px 28px;
  background: var(--caramel);
  color: var(--ink);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius);
  min-height: 48px;
  line-height: 1.4;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(212,165,116,0.4);
}
.btn-primary:hover {
  background: var(--caramel-light);
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,165,116,0.5);
}
.hero-media { display: flex; justify-content: center; }
.hero-img-placeholder {
  width: 100%;
  height: 260px;
  background: linear-gradient(135deg, rgba(212,165,116,0.3) 0%, rgba(38,33,23,0.5) 100%);
  border-radius: 2px;
}

/* =====================
   ラップ & メインコンテナ
   ===================== */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* main > div.wrap > section > article  正文構造 */
.content-section {
  padding: 40px 0 24px;
}
.page-content {
  max-width: var(--content-w);
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(245,230,200,0.9);
}
.page-content h2 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--cream);
  margin: 36px 0 14px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--caramel);
}
.page-content h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--caramel);
  margin: 28px 0 10px;
}
.page-content p { margin-bottom: 18px; }
.page-content ul, .page-content ol {
  padding-left: 24px;
  margin-bottom: 18px;
}
.page-content li { margin-bottom: 7px; }
.page-content a { color: var(--caramel); text-decoration: underline; }
.page-content a:hover { color: var(--cream); }
.page-content strong { color: var(--cream); font-weight: 700; }
.page-content blockquote {
  border-left: 3px solid var(--caramel);
  padding: 10px 18px;
  margin: 20px 0;
  background: rgba(212,165,116,0.1);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--caramel-light);
}
.page-content time {
  display: inline-block;
  font-weight: 600;
  color: var(--caramel);
}

/* =====================
   セクション見出し
   ===================== */
.section-heading {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--cream);
  margin: 48px 0 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.count-badge {
  font-size: 0.8rem;
  background: var(--caramel);
  color: var(--ink);
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 700;
  font-family: var(--font-body);
}

/* =====================
   ホームカードグリッド
   ===================== */
.home-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.home-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--cream);
}
.card-thumb {
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
}
.card-thumb .card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  filter: sepia(0.25) saturate(0.85) contrast(1.02);
  transition: transform 0.3s ease, filter 0.3s ease;
}
.home-card:hover .card-img {
  transform: scale(1.04);
  filter: sepia(0.1) saturate(1) contrast(1.05);
}
.card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.4;
}
.card-desc {
  font-size: 0.85rem;
  color: rgba(245,230,200,0.65);
  line-height: 1.55;
}

/* =====================
   ページバナー（カテゴリ/プライバシー）
   ===================== */
.page-banner {
  padding: 52px 20px 40px;
  border-bottom: 1px solid rgba(212,165,116,0.2);
  background: linear-gradient(160deg, rgba(212,165,116,0.12) 0%, transparent 60%);
}
.page-banner-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.page-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--caramel);
  margin-bottom: 10px;
  font-family: var(--font-heading);
}
.page-h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.3;
}

/* =====================
   子ページリスト（カテゴリ）
   ===================== */
.child-list-section { margin-top: 8px; }
.child-blocks {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.child-block {
  display: flex;
  gap: 0;
  text-decoration: none;
  color: var(--cream);
  align-items: stretch;
  overflow: hidden;
}
.child-img-wrap {
  flex-shrink: 0;
  width: 140px;
}
.child-img-wrap .child-thumb {
  width: 140px;
  height: 100%;
  min-height: 90px;
  object-fit: cover;
  filter: sepia(0.3) saturate(0.8);
  transition: filter 0.25s;
}
.child-block:hover .child-thumb {
  filter: sepia(0.1) saturate(1);
}
.child-info {
  padding: 16px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
}
.child-title {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--cream);
  line-height: 1.4;
}
.child-desc {
  font-size: 0.88rem;
  color: rgba(245,230,200,0.65);
  line-height: 1.55;
}
.child-date {
  font-size: 0.78rem;
  color: var(--caramel);
  font-weight: 600;
}
.empty-note {
  color: rgba(245,230,200,0.45);
  font-style: italic;
  padding: 20px 0;
}

/* =====================
   記事レイアウト
   ===================== */
.breadcrumb {
  font-size: 0.8rem;
  color: rgba(245,230,200,0.5);
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}
.breadcrumb a { color: rgba(212,165,116,0.8); }
.breadcrumb a:hover { color: var(--caramel); }
.bc-sep { color: rgba(245,230,200,0.3); }
.bc-current { color: rgba(245,230,200,0.6); }

.article-header-section {
  padding: 36px 0 8px;
}
.article-meta-block { max-width: var(--content-w); }
.article-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--caramel);
  margin-bottom: 10px;
  font-family: var(--font-heading);
}
.article-h1 {
  font-family: var(--font-heading);
  font-size: 1.95rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.3;
  margin-bottom: 16px;
}
.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}
.article-date {
  font-size: 0.82rem;
  color: var(--caramel);
  font-weight: 600;
  font-family: var(--font-heading);
}
.article-modified {
  font-size: 0.78rem;
  color: rgba(212,165,116,0.65);
}
.article-modified time { color: rgba(212,165,116,0.8); }

.article-body { max-width: var(--content-w); }

.related-pages {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid rgba(212,165,116,0.2);
}
.related-heading {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 18px;
}
.related-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.related-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  color: var(--cream);
  text-decoration: none;
}
.related-item strong {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--cream);
}
.related-item span {
  font-size: 0.82rem;
  color: rgba(245,230,200,0.6);
  line-height: 1.5;
}

/* =====================
   アバウトページ
   ===================== */
.about-hero {
  padding: 56px 20px 40px;
}
.about-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.about-lead {
  font-size: 1rem;
  color: rgba(245,230,200,0.75);
  line-height: 1.75;
  margin-top: 14px;
}
.about-hero-media { display: flex; justify-content: center; }
.about-content { max-width: var(--content-w); }

.about-nav-section { margin-top: 12px; }
.about-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.about-nav-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  text-decoration: none;
  color: var(--cream);
}
.about-nav-card strong {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--cream);
}
.about-nav-card span {
  font-size: 0.83rem;
  color: rgba(245,230,200,0.6);
  line-height: 1.5;
}

/* =====================
   プライバシーページ
   ===================== */
.privacy-content { max-width: var(--content-w); }
.privacy-links-section { margin-top: 20px; }
.privacy-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.privacy-link-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  min-height: 48px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--cream);
  text-decoration: none;
}
.privacy-link-card:hover { color: var(--caramel); }

/* =====================
   フッター
   ===================== */
.site-footer {
  margin-top: auto;
  border-top: 1px solid rgba(212,165,116,0.2);
  background: rgba(20,17,10,0.85);
  padding: 40px 20px 0;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
}
.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 8px;
}
.footer-brand-desc {
  font-size: 0.85rem;
  color: rgba(245,230,200,0.5);
  line-height: 1.65;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-start;
}
.footer-nav a {
  color: rgba(245,230,200,0.65);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 7px 0;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  transition: color 0.18s;
}
.footer-nav a:hover { color: var(--caramel); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 0;
  border-top: 1px solid rgba(212,165,116,0.12);
  font-size: 0.78rem;
  color: rgba(245,230,200,0.35);
}

/* =====================
   パラックス風スクロール（CSS only）
   ===================== */
@supports (animation-timeline: scroll()) {
  .hero-media .polaroid-frame {
    animation: parallaxHero linear both;
    animation-timeline: scroll(root);
    animation-range: 0px 400px;
  }
  @keyframes parallaxHero {
    from { transform: rotate(-1.2deg) translateY(0px); }
    to   { transform: rotate(-1.2deg) translateY(-40px); }
  }
}

/* =====================
   レスポンシブ
   ===================== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-media { display: none; }
  .home-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-hero-inner {
    grid-template-columns: 1fr;
  }
  .about-hero-media { display: none; }
  .about-nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 600px) {
  :root { --header-h: 58px; }
  html { font-size: 16px; }

  .hero-h1 { font-size: 1.75rem; }
  .page-h1 { font-size: 1.5rem; }
  .article-h1 { font-size: 1.45rem; }

  .home-cards-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .child-block { flex-direction: column; }
  .child-img-wrap { width: 100%; }
  .child-img-wrap .child-thumb { width: 100%; height: 160px; min-height: unset; }

  .related-list { grid-template-columns: 1fr; }
  .about-nav-grid { grid-template-columns: 1fr; }

  .nav-menu { right: -8px; min-width: 180px; }

  .polaroid-frame { padding: 7px 7px 28px 7px; }
  .polaroid-frame img { height: 190px; }
  .article-hero-frame img { height: 210px; }

  .privacy-links { flex-direction: column; }
  .privacy-link-card { width: 100%; justify-content: center; }

  .anchor-inner { gap: 14px; }
  .anchor-inner a { font-size: 0.76rem; }
}

@media (max-width: 375px) {
  .hero-h1 { font-size: 1.5rem; }
  .brand-name { font-size: 1.05rem; }
}