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

:root {
  --bg-primary: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-card: #222;
  --bg-hover: #2a2a2a;
  --text-primary: #e0e0e0;
  --text-secondary: #999;
  --accent: #e63946;
  --accent-hover: #ff4d5a;
  --border: #333;
  --header-bg: #111;
}

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

body {
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", "メイリオ", Meiryo, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

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

/* ========== Age Gate ========== */
.age-gate {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
}

.age-gate__logo {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
}

.age-gate__warning {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.age-gate__text {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 500px;
}

.age-gate__buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  text-align: center;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn--secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* ========== Header ========== */
.header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  padding: 0.8rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header__logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.header__logo:hover {
  color: var(--accent-hover);
}

.header__search {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.header__search input {
  width: 100%;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.header__search input::placeholder {
  color: var(--text-secondary);
}

/* ========== Navigation ========== */
.nav {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 0;
}

.nav__item {
  padding: 0.7rem 1.2rem;
  color: var(--text-secondary);
  white-space: nowrap;
  font-size: 0.9rem;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav__item:hover,
.nav__item--active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}

/* ========== Breadcrumb ========== */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.8rem 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

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

.breadcrumb__sep {
  margin: 0 0.4rem;
}

/* ========== Main Content ========== */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
  flex: 1;
  width: 100%;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 1.5rem 0 1rem;
  color: var(--text-primary);
}

.description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

/* ========== Category Grid ========== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  transition: background 0.2s, border-color 0.2s;
}

.category-card:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

.category-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.category-card__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.category-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.category-card__link {
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
  background: var(--bg-secondary);
  border-radius: 4px;
  color: var(--text-secondary);
}

.category-card__link:hover {
  color: var(--accent);
}

/* ========== Tag List ========== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tag {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: background 0.2s, color 0.2s;
}

.tag:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--accent);
}

/* ========== Placeholder Grid (items coming soon) ========== */
.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.item-placeholder {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.item-placeholder__image {
  width: 100%;
  aspect-ratio: 7 / 10;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.item-placeholder__info {
  padding: 0.8rem;
}

.item-placeholder__title {
  height: 0.9rem;
  background: var(--bg-secondary);
  border-radius: 3px;
  margin-bottom: 0.4rem;
}

.item-placeholder__date {
  height: 0.7rem;
  width: 60%;
  background: var(--bg-secondary);
  border-radius: 3px;
}

/* ========== Item Card (Real) ========== */
.item-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
}

.item-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.item-card__image-wrap {
  position: relative;
  width: 100%;
  background: var(--bg-secondary);
  overflow: hidden;
}

.item-card__image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity 0.3s;
}

.item-card__maker {
  font-size: 0.65rem;
  color: var(--text-secondary);
  margin-bottom: 0.2rem;
}

.item-card__info {
  padding: 0.6rem 0.7rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.item-card__title {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.4rem;
}

.item-card__meta {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: auto;
}

.item-card__actress {
  color: var(--accent);
  font-size: 0.72rem;
  margin-bottom: 0.2rem;
}

.item-card__date {
  font-size: 0.68rem;
  color: var(--text-secondary);
}

.item-card__genres {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-top: 0.3rem;
}

.item-card__genre {
  font-size: 0.6rem;
  padding: 1px 5px;
  background: var(--bg-secondary);
  border-radius: 3px;
  color: var(--text-secondary);
}

.item-card__cid {
  font-size: 0.6rem;
  color: #555;
  margin-top: 0.2rem;
}

/* ========== Sort Bar ========== */
.sort-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.sort-bar__label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.sort-bar__item {
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
}

.sort-bar__item--active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ========== Coming Soon Notice ========== */
.coming-soon {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-secondary);
}

.coming-soon__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.coming-soon__text {
  font-size: 1.1rem;
}

/* ========== Footer ========== */
.footer {
  background: var(--header-bg);
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  margin-top: auto;
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.footer__nav a {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

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

.footer__credit {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.footer__copyright {
  color: var(--text-secondary);
  font-size: 0.75rem;
  margin-top: 0.5rem;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .header__inner {
    flex-wrap: wrap;
  }

  .header__search {
    max-width: 100%;
    order: 3;
    width: 100%;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .item-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .item-card__title {
    font-size: 0.75rem;
  }

  .page-title {
    font-size: 1.2rem;
  }

  .age-gate__logo {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .nav__item {
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
  }

  .item-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }
}