/* =========================================================
   日本少女导航 · Global Stylesheet
   Minimalism & Swiss Style · Playfair Display + Inter
   ========================================================= */

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

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: #111;
  background: #fff;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 220ms ease;
}

a:hover {
  opacity: 0.65;
}

ul, ol {
  list-style: none;
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.75rem, 5vw, 3rem); }
h2 { font-size: clamp(1.25rem, 3vw, 1.875rem); margin-bottom: 0.75rem; }
h3 { font-size: 1.125rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* h2 decoration: hr immediately after h2 */
h2 + hr {
  border: none;
  border-top: 2px solid #000;
  margin: 0.5rem 0 1.5rem;
}

/* ---- Grid & Layout ---- */
.page-wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Site Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #000;
  color: #fff;
  border-bottom: 1px solid #222;
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem 0.5rem;
  border-bottom: 1px solid #222;
}

.brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  text-align: center;
}

.brand:hover {
  opacity: 0.8;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
  padding: 0 1rem;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  color: #ccc;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.75rem 0.875rem;
  min-height: 44px;
  border-right: 1px solid #222;
  transition: color 220ms ease, background 220ms ease;
  letter-spacing: 0.02em;
}

.main-nav a:first-child {
  border-left: 1px solid #222;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: #fff;
  background: #222;
  opacity: 1;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  padding: 1rem 0 0;
  font-size: 0.8125rem;
  color: #555;
}

.breadcrumb a {
  color: #555;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms;
}

.breadcrumb a:hover {
  border-bottom-color: #000;
  opacity: 1;
}

.breadcrumb span[aria-hidden] {
  color: #aaa;
}

/* ---- Hero (Home) ---- */
.hero-block {
  position: relative;
  min-height: 45vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: 2rem 0;
  border: 1px solid #000;
}

.hero-dot-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #bbb 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.hero-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border: 2px solid #000;
  padding: 0.5rem;
  background: #fff;
}

.hero-h1 {
  font-size: clamp(1.75rem, 5vw, 3rem);
  color: #000;
  max-width: 700px;
}

.hero-lead {
  font-size: 1rem;
  color: #333;
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ---- Category Hero ---- */
.cat-hero {
  position: relative;
  padding: 2.5rem 0 2rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid #000;
  overflow: hidden;
}

.cat-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, #e8e8e8 1px, transparent 1px),
    linear-gradient(to bottom, #e8e8e8 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
  pointer-events: none;
}

.cat-h1 {
  position: relative;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.cat-lead {
  position: relative;
  font-size: 1rem;
  color: #444;
  margin-top: 0.75rem;
  max-width: 700px;
  margin-bottom: 0;
}

/* ---- About Hero ---- */
.about-hero {
  position: relative;
  padding: 2.5rem 0 2rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid #000;
  overflow: hidden;
}

.about-grid-deco {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    #e0e0e0 0px,
    #e0e0e0 1px,
    transparent 1px,
    transparent 20px
  );
  opacity: 0.3;
  pointer-events: none;
}

.about-h1 {
  position: relative;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.about-lead {
  position: relative;
  color: #444;
  margin-top: 0.75rem;
  max-width: 700px;
  margin-bottom: 0;
}

/* ---- Privacy Header ---- */
.privacy-header {
  padding: 2.5rem 0 2rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid #000;
}

.privacy-h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.privacy-meta {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: #555;
}

.privacy-lead {
  margin-top: 0.75rem;
  color: #444;
  max-width: 700px;
  margin-bottom: 0;
}

/* ---- Entry Header ---- */
.entry-header {
  padding: 2rem 0 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid #000;
}

.entry-h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.entry-lead {
  color: #444;
  margin-top: 0.75rem;
  max-width: 700px;
  margin-bottom: 0;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.875rem;
  font-size: 0.8125rem;
  color: #555;
}

.meta-label {
  font-weight: 500;
  color: #000;
}

.meta-sep {
  color: #aaa;
}

.entry-hero-img {
  margin-top: 1.25rem;
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border: 1px solid #ddd;
}

.entry-img {
  width: 100%;
  margin: 1.5rem 0;
  border: 1px solid #ddd;
}

/* ---- Content Body ---- */
.content-body {
  max-width: 800px;
  font-size: 1rem;
  line-height: 1.8;
  color: #1a1a1a;
  padding: 1.5rem 0 2rem;
}

.content-body h2 {
  margin-top: 2rem;
  margin-bottom: 0;
}

.content-body h2 + hr {
  border: none;
  border-top: 2px solid #000;
  margin: 0.5rem 0 1.25rem;
}

.content-body h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.content-body ul,
.content-body ol {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.content-body ol {
  list-style: decimal;
}

.content-body li {
  margin-bottom: 0.375rem;
  line-height: 1.7;
}

.content-body a {
  border-bottom: 1px solid #000;
  transition: opacity 200ms;
}

.content-body a:hover {
  opacity: 0.6;
}

.content-body blockquote {
  border-left: 4px solid #000;
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: #f7f7f7;
  font-style: italic;
}

.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
}

.content-body th,
.content-body td {
  border: 1px solid #ddd;
  padding: 0.625rem 0.875rem;
  text-align: left;
}

.content-body th {
  background: #000;
  color: #fff;
  font-weight: 600;
}

/* ---- Glass Cards ---- */
.card {
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid #000;
  border-radius: 4px;
  padding: 1.25rem;
  transition: transform 220ms ease, box-shadow 220ms ease;
  height: 100%;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 4px 4px 0 #000;
}

.card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  font-family: 'Playfair Display', serif;
}

.card h3 a {
  border-bottom: 1px solid transparent;
  transition: border-color 200ms;
}

.card h3 a:hover {
  border-bottom-color: #000;
  opacity: 1;
}

.card p {
  font-size: 0.875rem;
  color: #444;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.card time {
  font-size: 0.75rem;
  color: #777;
  display: block;
  margin-top: 0.5rem;
}

/* ---- Home Cards / Entries ---- */
.home-cards,
.home-entries {
  margin: 2.5rem 0;
}

.home-cards ul,
.home-entries ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 0;
}

/* ---- Category Children ---- */
.cat-children {
  margin: 2.5rem 0;
}

.child-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

/* ---- Related Block ---- */
.related-block {
  margin: 2.5rem 0 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid #e0e0e0;
}

.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

/* ---- About Nav List ---- */
.about-links {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #e0e0e0;
}

.about-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.about-nav-list li a {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid #000;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 200ms, color 200ms;
  border-radius: 2px;
}

.about-nav-list li a:hover {
  background: #000;
  color: #fff;
  opacity: 1;
}

/* ---- Privacy Footer Links ---- */
.privacy-footer-links {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e0e0e0;
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 0.875rem;
  color: #555;
}

.privacy-footer-links a {
  border-bottom: 1px solid #ccc;
  color: #000;
  transition: border-color 200ms;
}

.privacy-footer-links a:hover {
  border-bottom-color: #000;
  opacity: 1;
}

/* ---- Entry Back Button ---- */
.entry-back {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #e0e0e0;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-bottom: 1px solid #000;
  padding-bottom: 1px;
  transition: opacity 200ms;
}

.btn-back:hover {
  opacity: 0.6;
}

/* ---- Main Layout Wrappers ---- */
.home-main,
.cat-main,
.entry-main,
.about-main,
.privacy-main {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.home-article,
.cat-article,
.entry-article,
.about-article,
.privacy-article {
  width: 100%;
}

/* ---- Footer ---- */
.site-footer {
  background: #000;
  color: #fff;
  padding: 3rem 1.5rem 1.5rem;
  margin-top: auto;
}

.footer-brand {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  text-align: center;
  letter-spacing: -0.02em;
  color: #fff;
  padding-bottom: 2rem;
  border-bottom: 1px solid #333;
  margin-bottom: 2rem;
  word-break: break-all;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 2rem;
}

.footer-cols dl {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-cols dt {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #aaa;
  margin-bottom: 0.25rem;
}

.footer-cols dd {
  margin: 0;
}

.footer-cols dd a {
  color: #ccc;
  font-size: 0.8125rem;
  transition: color 200ms;
  line-height: 1.6;
  display: inline-block;
  min-height: 1.6em;
}

.footer-cols dd a:hover {
  color: #fff;
  opacity: 1;
}

.footer-note {
  font-size: 0.75rem;
  color: #666;
}

.footer-bottom {
  border-top: 1px solid #222;
  padding-top: 1.25rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: #666;
  margin: 0;
}

/* ---- Stagger Animation ---- */
@media (prefers-reduced-motion: no-preference) {
  .child-list li,
  .home-cards ul li,
  .home-entries ul li,
  .related-list li {
    animation: fadeUp 350ms ease both;
  }

  .child-list li:nth-child(1),
  .home-cards ul li:nth-child(1),
  .home-entries ul li:nth-child(1),
  .related-list li:nth-child(1) { animation-delay: 0ms; }

  .child-list li:nth-child(2),
  .home-cards ul li:nth-child(2),
  .home-entries ul li:nth-child(2),
  .related-list li:nth-child(2) { animation-delay: 60ms; }

  .child-list li:nth-child(3),
  .home-cards ul li:nth-child(3),
  .home-entries ul li:nth-child(3),
  .related-list li:nth-child(3) { animation-delay: 120ms; }

  .child-list li:nth-child(4),
  .home-cards ul li:nth-child(4),
  .home-entries ul li:nth-child(4),
  .related-list li:nth-child(4) { animation-delay: 180ms; }

  .child-list li:nth-child(n+5),
  .home-cards ul li:nth-child(n+5),
  .home-entries ul li:nth-child(n+5) { animation-delay: 240ms; }

  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(16px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .main-nav {
    padding: 0;
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }

  .main-nav::-webkit-scrollbar {
    display: none;
  }

  .main-nav a {
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 0.75rem;
    padding: 0.75rem 0.75rem;
  }

  .footer-cols {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-brand {
    font-size: 2rem;
  }

  .home-cards ul,
  .home-entries ul,
  .child-list,
  .related-list {
    grid-template-columns: 1fr;
  }

  .hero-block {
    min-height: 42vh;
  }

  .page-wrap,
  .home-main,
  .cat-main,
  .entry-main,
  .about-main,
  .privacy-main {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .home-cards ul,
  .home-entries ul,
  .child-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }

  .brand {
    font-size: 0.9375rem;
  }

  .content-body {
    font-size: 0.9375rem;
  }
}