/*
Theme Name: コスプレ坂69
Theme URI: https://coszaka69.com/
Author: コスプレ坂69
Description: コスプレAVメーカー「コスプレ坂69」公式サイトテーマ
Version: 1.0.0
License: Private
Text Domain: coszaka69
*/

/* ===========================
   CSS Variables
   =========================== */
:root {
  --pink:        #E4007F;
  --pink-light:  #f0559f;
  --pink-pale:   #fde8f3;
  --blue:        #00AADF;
  --blue-light:  #33bde8;
  --blue-pale:   #e0f5fc;
  --dark:        #1a1a2e;
  --text:        #222;
  --text-light:  #777;
  --gray:        #f7f7f9;
  --gray-mid:    #e4e4ea;
  --white:       #ffffff;
  --radius:      12px;
  --radius-sm:   8px;
  --shadow:      0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.15);
  --transition:  0.2s ease;
  --header-h:    72px;
  --container:   1200px;
}

/* ===========================
   Reset & Base
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', 'M PLUS Rounded 1c', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===========================
   Layout
   =========================== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 64px 0; }
.section--sm { padding: 40px 0; }

/* ===========================
   Header
   =========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--pink), var(--blue)) 1;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  height: var(--header-h);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 100%;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.site-logo img { width: 44px; height: 44px; object-fit: contain; }
.site-logo__text {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
  background: linear-gradient(90deg, var(--pink), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.site-nav { flex: 1; }
.site-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav__link {
  display: block;
  padding: 8px 14px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.88rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.site-nav__link:hover,
.site-nav__link.current {
  background: var(--pink-pale);
  color: var(--pink);
}
/* ドロップダウン */
.has-dropdown { position: relative; }
.dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  padding: 8px 0;
  z-index: 200;
  border: 1px solid var(--gray-mid);
}
.dropdown li a {
  display: block;
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 700;
  transition: background var(--transition);
}
.dropdown li a:hover { background: var(--pink-pale); color: var(--pink); }
.has-dropdown:hover .dropdown { display: block; }
/* 検索 */
.header-search {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--gray);
  border-radius: 50px;
  padding: 0 4px 0 14px;
  border: 2px solid var(--gray-mid);
  transition: border-color var(--transition);
}
.header-search:focus-within { border-color: var(--pink); }
.search-input {
  border: none;
  background: none;
  outline: none;
  font-size: 0.85rem;
  width: 180px;
  font-family: inherit;
  padding: 6px 0;
}
.search-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  color: #fff;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ===========================
   Page Hero (パンくず付きヘッダー)
   =========================== */
.page-hero {
  background: linear-gradient(90deg, var(--pink) 0%, var(--blue) 100%);
  padding: 28px 0;
  color: #fff;
}
.page-hero__title { font-size: 1.5rem; font-weight: 900; margin-bottom: 4px; }
.breadcrumb { font-size: 0.82rem; opacity: 0.8; margin-bottom: 8px; }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { opacity: 0.7; margin: 0 6px; }

/* ===========================
   Section Header
   =========================== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.section-title {
  font-size: 1.3rem;
  font-weight: 900;
  position: relative;
  padding-bottom: 10px;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--pink), var(--blue));
  border-radius: 2px;
}
.section-more {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--pink);
  transition: opacity var(--transition);
}
.section-more:hover { opacity: 0.7; }

/* ===========================
   Work Card
   =========================== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.works-grid--3col { grid-template-columns: repeat(3, 1fr); }
.works-grid--5col { grid-template-columns: repeat(5, 1fr); }

.work-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.work-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.work-card__link { display: block; }
.work-card__img-wrap {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--gray);
}
.work-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.work-card:hover .work-card__img-wrap img { transform: scale(1.04); }
.work-card__img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
  color: #bbb;
  font-size: 0.85rem;
}
.work-card__body { padding: 14px; }
.work-card__title {
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.work-card__date { font-size: 0.75rem; color: var(--text-light); margin-bottom: 8px; }
.work-card__shops { display: flex; flex-wrap: wrap; gap: 4px; }

/* ===========================
   Shop Buttons (small)
   =========================== */
.shop-btn {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
}
.shop-btn--fanza      { background: #d0021b; }
.shop-btn--sokmil     { background: #e67e00; }
.shop-btn--mgs        { background: #1a7a3c; }
.shop-btn--dl         { background: #7b2d8b; }
.shop-btn--fanza-dvd  { background: #8b0000; }

/* ===========================
   Badge (シリーズラベル)
   =========================== */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.4;
}
.badge--series { position: absolute; top: 10px; left: 10px; }
.badge--otaku  { background: linear-gradient(90deg, var(--pink), #c0006a); }
.badge--coscos { background: linear-gradient(90deg, var(--blue), #007fb0); }

/* ===========================
   Filter Bar (絞り込み)
   =========================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  padding: 18px 20px;
  background: var(--gray);
  border-radius: var(--radius);
}
.filter-btn {
  padding: 7px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 700;
  border: 2px solid var(--gray-mid);
  background: var(--white);
  color: var(--text-light);
  transition: all var(--transition);
}
.filter-btn:hover,
.filter-btn.is-active {
  border-color: var(--pink);
  color: var(--pink);
  background: var(--pink-pale);
}

/* ===========================
   Pagination
   =========================== */
.pagination {
  display: flex;
  flex-direction: row;   /* 必ず横並び */
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 48px;
}
/* WordPressが生成する <ul> タイプのページネーションも横並びに */
.pagination ul {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.pagination li { display: block; }
.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 0.88rem;
  font-weight: 700;
  border: 2px solid var(--gray-mid);
  background: var(--white);
  transition: all var(--transition);
  white-space: nowrap;
}
.pagination a:hover { border-color: var(--pink); color: var(--pink); }
.pagination .current,
.pagination .page-numbers.current {
  background: linear-gradient(135deg, var(--pink), var(--blue));
  color: #fff;
  border-color: transparent;
}

/* ===========================
   Detail Page: Gallery
   =========================== */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 36px;
  align-items: start;
}
/* メイン画像 */
.gallery-main {
  width: 100%;
  background: #111;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  position: relative;
  cursor: zoom-in;
}
.gallery-main img {
  width: 100%;
  height: auto;
  display: block;
}
.gallery-main__placeholder {
  aspect-ratio: 16/9;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 0.95rem;
  background: linear-gradient(135deg, #e8e8e8, #d8d8d8);
}
.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 2;
}
.gallery-nav:hover { background: rgba(228,0,127,0.8); }
.gallery-nav--prev { left: 10px; }
.gallery-nav--next { right: 10px; }
.gallery-counter {
  position: absolute;
  bottom: 10px;
  right: 12px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
}
/* サムネイルグリッド */
.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin-bottom: 20px;
}
.gallery-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}
.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.gallery-thumb:hover { border-color: var(--pink-light); }
.gallery-thumb:hover img { transform: scale(1.06); }
.gallery-thumb.is-active {
  border-color: var(--pink);
  box-shadow: 0 0 0 2px rgba(228,0,127,0.3);
}
.gallery-thumb--package { border-color: var(--blue); }
.gallery-thumb--package.is-active {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(0,170,223,0.35);
}
.gallery-thumb__label {
  position: absolute;
  bottom: 3px;
  left: 3px;
  font-size: 0.58rem;
  font-weight: 700;
  background: var(--blue);
  color: #fff;
  padding: 1px 5px;
  border-radius: 3px;
  line-height: 1.4;
}
/* サンプル動画 */
.gallery-video__title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #555;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.gallery-video__title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 16px;
  background: linear-gradient(180deg, var(--pink), var(--blue));
  border-radius: 2px;
}
.gallery-video__wrap {
  width: 100%;
  padding-top: 75%;
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow);
}
.gallery-video__wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}

/* ===========================
   Detail Page: Right Column
   =========================== */
.detail-info { position: sticky; top: 90px; }
.detail-info__series {
  display: inline-block;
  margin-bottom: 10px;
}
.detail-info__title {
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 6px;
}
.detail-info__meta {
  color: var(--text-light);
  font-size: 0.82rem;
  margin-bottom: 20px;
}
/* 購入ボタン */
.buy-section {
  background: var(--gray);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 20px;
}
.buy-section__title {
  font-size: 0.88rem;
  font-weight: 700;
  color: #555;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.buy-section__title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 15px;
  background: linear-gradient(180deg, var(--pink), var(--blue));
  border-radius: 2px;
}
.buy-buttons { display: flex; flex-direction: column; gap: 7px; }
.buy-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border-radius: 9px;
  font-weight: 700;
  font-size: 0.88rem;
  color: #fff;
  transition: all var(--transition);
}
.buy-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 16px rgba(0,0,0,0.2); }
.buy-btn__icon { font-size: 1rem; flex-shrink: 0; }
.buy-btn__text { flex: 1; }
.buy-btn__label { font-size: 0.68rem; opacity: 0.85; display: block; }
.buy-btn--fanza     { background: linear-gradient(90deg, #d0021b, #e8003a); }
.buy-btn--sokmil    { background: linear-gradient(90deg, #e67e00, #ff9500); }
.buy-btn--mgs       { background: linear-gradient(90deg, #1a7a3c, #22a050); }
.buy-btn--dl        { background: linear-gradient(90deg, #7b2d8b, #9b3dab); }
.buy-btn--fanza-dvd { background: linear-gradient(90deg, #8b0000, #b00020); }
.buy-divider {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
  color: #aaa;
  font-size: 0.75rem;
  font-weight: 700;
}
.buy-divider::before, .buy-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-mid);
}
/* 作品情報テーブル */
.work-info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}
.work-info-table th,
.work-info-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--gray-mid);
  font-size: 0.85rem;
  vertical-align: top;
}
.work-info-table th {
  width: 80px;
  color: var(--text-light);
  font-weight: 700;
  white-space: nowrap;
}
.work-info-table tr:last-child th,
.work-info-table tr:last-child td { border-bottom: none; }
/* タグ */
.tag-list { display: flex; flex-wrap: wrap; gap: 5px; }
.tag {
  display: inline-block;
  background: var(--pink-pale);
  color: var(--pink);
  border: 1px solid rgba(228,0,127,0.2);
  border-radius: 50px;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  transition: all var(--transition);
}
.tag:hover { background: var(--pink); color: #fff; }
/* 作品説明（全幅） */
.work-description-section {
  margin-top: 40px;
  padding-top: 36px;
  border-top: 2px solid var(--gray-mid);
}
.work-description-section h3 {
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.work-description-section h3::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 20px;
  background: linear-gradient(180deg, var(--pink), var(--blue));
  border-radius: 2px;
}
.work-description {
  background: var(--gray);
  border-radius: var(--radius);
  padding: 28px 32px;
  font-size: 0.95rem;
  line-height: 2.1;
}

/* ===========================
   Actress List
   =========================== */

/* 出演者ソートバー */
.actress-sort-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}
.actress-sort-btn {
  padding: 7px 20px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 700;
  border: 2px solid var(--gray-mid);
  background: var(--white);
  color: var(--text-light);
  transition: all var(--transition);
}
.actress-sort-btn:hover,
.actress-sort-btn--active {
  border-color: var(--pink);
  color: var(--pink);
  background: var(--pink-pale);
}

.actress-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr); /* PC版: 5列表示 */
  gap: 20px;
}
.actress-card {
  text-align: center;
  transition: transform var(--transition);
}
.actress-card:hover { transform: translateY(-3px); }
.actress-card__name {
  font-size: 0.82rem;
  font-weight: 700;
  margin-top: 8px;
  color: var(--text);
}
.actress-card__count {
  font-size: 0.72rem;
  color: var(--text-light);
}

/* ===========================
   Archive List
   =========================== */
.archive-list { display: flex; flex-direction: column; gap: 32px; }
.archive-month__title {
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gray-mid);
  display: flex;
  align-items: center;
  gap: 8px;
}
.archive-month__title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--pink), var(--blue));
  border-radius: 2px;
}

/* ===========================
   Hero (トップページ)
   =========================== */
.hero {
  background: linear-gradient(135deg, var(--pink) 0%, #c0007a 40%, var(--blue) 100%);
  padding: 80px 0;
  color: #fff;
  overflow: hidden;
  position: relative;
  min-height: 480px;
}

/* ヒーロー背景動画・画像 */
.hero__bg-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
}
.hero__bg-media--image {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
/* グラデーションオーバーレイ（動画・画像の上に重ねる） */
.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--pink) 0%, #c0007a 40%, var(--blue) 100%);
  z-index: 1;
  pointer-events: none;
}
/* メディアありの場合、元のグラデーション背景を透明にしてオーバーレイで表現 */
.hero--has-media {
  background: transparent;
}
.hero--has-media::before {
  z-index: 2;
}
.hero--has-media .hero__bg-deco {
  z-index: 2;
}
.hero--has-media .hero-inner {
  z-index: 3;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: center;
}
.hero-text__eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--pink-light);
  margin-bottom: 12px;
}
.hero-text__title {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero-text__title span {
  color: #ffffff;
  -webkit-text-fill-color: #ffffff;
}
.hero-text__desc {
  font-size: 0.95rem;
  opacity: 0.8;
  margin-bottom: 28px;
  line-height: 1.8;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(90deg, var(--pink), var(--blue));
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: 50px;
  box-shadow: 0 6px 24px rgba(228,0,127,0.4);
  transition: all var(--transition);
}
.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(228,0,127,0.5);
}
.hero-visual {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.hero-visual__item {
  aspect-ratio: 3/4;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255,255,255,0.08);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.hero-visual__item:first-child {
  grid-column: span 2;
  aspect-ratio: 16/9;
}
.hero-visual__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===========================
   Footer
   =========================== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 32px;
  margin-top: 80px;
}
.footer-inner { text-align: center; }
.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}
.footer-logo img { width: 40px; height: 40px; object-fit: contain; }
.footer-logo span {
  font-family: 'M PLUS Rounded 1c', sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
  background: linear-gradient(90deg, var(--pink), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  margin-bottom: 24px;
}
.footer-nav a {
  font-size: 0.85rem;
  font-weight: 700;
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--pink); }
.footer-copy {
  font-size: 0.78rem;
  opacity: 0.5;
  margin-bottom: 4px;
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1100px) {
  .detail-layout { grid-template-columns: 1fr 320px; }
  .works-grid { grid-template-columns: repeat(3, 1fr); }
  .actress-grid { grid-template-columns: repeat(4, 1fr); }
  .hero-text__title { font-size: 2.2rem; }
}
@media (max-width: 860px) {
  .detail-layout { grid-template-columns: 1fr; }
  .detail-info { position: static; }
  .gallery-thumbs { grid-template-columns: repeat(4, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .actress-grid { grid-template-columns: repeat(3, 1fr); }
  .actress-grid--top { grid-template-columns: repeat(3, 1fr); } /* スマホ: 3列×2行=6人 */
  .actress-card--top-hidden-sp { display: none; } /* 7・8人目を非表示 */
  .actress-card__photo { max-width: 90px; } /* 出演者一覧ページのスマホ時は元のサイズ */
  .site-nav { display: none; }
  .site-logo__text { font-size: 0.9rem !important; } /* スマホ時にロゴ文字が右にはみ出る問題を修正 */
}
@media (max-width: 560px) {
  .gallery-thumbs { grid-template-columns: repeat(3, 1fr); }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .actress-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-text__title { font-size: 1.8rem; }
  .container { padding: 0 16px; }
}

/* ===========================
   News（お知らせ）
   =========================== */
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-mid);
  transition: background var(--transition);
}
.news-item:first-child { border-top: 1px solid var(--gray-mid); }
.news-item__date {
  font-size: 0.82rem;
  color: var(--text-light);
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 700;
}
.news-item__cat {
  display: inline-block;
  background: var(--pink-pale);
  color: var(--pink);
  border: 1px solid rgba(228,0,127,0.2);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}
.news-item__title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  transition: color var(--transition);
  flex: 1;
}
.news-item:hover .news-item__title { color: var(--pink); }

/* お知らせ詳細ページ */
.news-content {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  line-height: 2;
  font-size: 0.95rem;
}
.news-content h2, .news-content h3 { margin: 1.5em 0 0.5em; font-weight: 900; }
.news-content p { margin-bottom: 1em; }
.news-content img { max-width: 100%; border-radius: var(--radius-sm); margin: 1em 0; }

/* ===========================
   Footer SNS
   =========================== */
.footer-sns {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}
.footer-sns__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  transition: all var(--transition);
}
.footer-sns__btn--x {
  background: #000;
  border: 1px solid rgba(255,255,255,0.15);
}
.footer-sns__btn--x:hover {
  background: #333;
  transform: translateY(-2px);
}

/* ===========================
   Footer Sub Nav（プライバシー・会社概要）
   =========================== */
.footer-sub-nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
}
.footer-sub-nav a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer-sub-nav a:hover { color: rgba(255,255,255,0.85); }

/* ===========================
   会社概要・プライバシーポリシーページ
   =========================== */
.static-page-content {
  max-width: 800px;
  margin: 0 auto;
}
.company-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 48px;
}
.company-table th,
.company-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--gray-mid);
  font-size: 0.92rem;
  vertical-align: top;
  text-align: left;
}
.company-table th {
  width: 160px;
  font-weight: 700;
  color: var(--text-light);
  background: var(--gray);
  white-space: nowrap;
}
.company-table tr:last-child th,
.company-table tr:last-child td { border-bottom: none; }

/* お問い合わせフォーム */
.contact-form { margin-top: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 6px;
}
.form-group label .required {
  color: var(--pink);
  font-size: 0.75rem;
  margin-left: 4px;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--gray-mid);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--pink); }
.form-group textarea { min-height: 160px; resize: vertical; }
.form-submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(90deg, var(--pink), var(--blue));
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
  padding: 14px 36px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(228,0,127,0.3);
}
.form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(228,0,127,0.4);
}
.privacy-text {
  font-size: 0.88rem;
  line-height: 2;
  color: var(--text);
}
.privacy-text h2 {
  font-size: 1rem;
  font-weight: 900;
  margin: 2em 0 0.5em;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--gray-mid);
}
.privacy-text p { margin-bottom: 1em; }

/* ===========================
   お問い合わせフォーム（改善版）
   =========================== */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}
.form-group {
  margin-bottom: 24px;
  position: relative;
}
.form-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.88rem;
  margin-bottom: 8px;
  color: var(--text);
}
.form-required {
  display: inline-block;
  background: var(--pink);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 3px;
  letter-spacing: 0.03em;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--gray-mid);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  color: var(--text);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--pink);
  box-shadow: 0 0 0 3px rgba(228,0,127,0.1);
}
.form-group.has-error input,
.form-group.has-error textarea {
  border-color: #e00;
  box-shadow: 0 0 0 3px rgba(220,0,0,0.08);
}
.form-group textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.7;
}
.form-error-msg {
  display: block;
  color: #e00;
  font-size: 0.78rem;
  font-weight: 700;
  margin-top: 5px;
}
.form-alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 24px;
}
.form-alert--error {
  background: #fff0f0;
  border: 2px solid #e00;
  color: #c00;
}
.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.recaptcha-note {
  font-size: 0.75rem;
  color: var(--text-light);
  line-height: 1.6;
  flex: 1;
}
.recaptcha-note a {
  color: var(--blue);
  text-decoration: underline;
}
.form-submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(90deg, var(--pink), var(--blue));
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
  padding: 15px 40px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(228,0,127,0.3);
  text-decoration: none;
  white-space: nowrap;
}
.form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(228,0,127,0.4);
}
.form-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.btn-arrow { transition: transform var(--transition); }
.form-submit-btn:hover .btn-arrow { transform: translateX(4px); }

/* 送信完了 */
.contact-success {
  text-align: center;
  padding: 60px 40px;
  background: linear-gradient(135deg, rgba(228,0,127,0.04), rgba(0,170,223,0.04));
  border: 2px solid var(--gray-mid);
  border-radius: var(--radius);
}
.contact-success__icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
  margin: 0 auto 20px;
}
.contact-success__title {
  font-size: 1.3rem;
  font-weight: 900;
  margin-bottom: 10px;
}
.contact-success__text {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

/* ===========================
   Hero: 背景装飾
   =========================== */
.hero__bg-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero__bg-deco::before,
.hero__bg-deco::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}
.hero__bg-deco::before {
  width: 600px; height: 600px;
  background: var(--pink);
  top: -200px; left: -100px;
}
.hero__bg-deco::after {
  width: 500px; height: 500px;
  background: var(--blue);
  bottom: -150px; right: -80px;
}

/* ===========================
   Hero: ピックアップ作品
   =========================== */
.hero-pickup {
  position: relative;
}
.hero-pickup__label {
  display: inline-block;
  background: linear-gradient(90deg, var(--pink), var(--blue));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  padding: 4px 14px;
  border-radius: 50px 50px 0 0;
  margin-bottom: 0;
}
.hero-pickup__card {
  display: block;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  backdrop-filter: blur(4px);
}
.hero-pickup__card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}
.hero-pickup__img-wrap {
  aspect-ratio: 471 / 671;
  overflow: hidden;
  background: rgba(0,0,0,0.3);
}
.hero-pickup__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.hero-pickup__card:hover .hero-pickup__img-wrap img {
  transform: scale(1.04);
}
.hero-pickup__info {
  padding: 16px 18px 18px;
}
.hero-pickup__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hero-pickup__date {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
}
.hero-pickup__btn {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--pink-light);
}

/* ===========================
   Work Card: アイキャッチ比率修正 (471:671)
   =========================== */
.work-card__img-wrap {
  aspect-ratio: 471 / 671;
}

/* ===========================
   Series Card (トップページ)
   =========================== */
.series-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.series-card {
  display: block;
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--transition);
  text-decoration: none;
}
.series-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.series-card--otaku {
  background: linear-gradient(135deg, var(--pink) 0%, #c0007a 100%);
}
.series-card--coscos {
  background: linear-gradient(135deg, var(--blue) 0%, #0080b0 100%);
}
.series-card__inner {
  padding: 40px 36px;
  color: #fff;
}
.series-card__icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}
.series-card__title {
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 8px;
  color: #fff;
}
.series-card__desc {
  font-size: 0.95rem;
  opacity: 0.9;
  margin-bottom: 16px;
  line-height: 1.6;
  color: #fff;
}
.series-card__count {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border-radius: 50px;
  padding: 4px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
  white-space: nowrap;
}
.series-card__btn {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  opacity: 0.9;
  color: #fff;
}

/* ===========================
   Actress: 写真対応スタイル
   =========================== */
.actress-card__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--pink-pale), var(--blue-pale));
  margin: 0 auto;
  max-width: 140px; /* 出演者一覧ページ用に拡大 */
  border: 3px solid transparent;
  background-clip: padding-box;
  box-shadow: 0 0 0 3px rgba(228,0,127,0.15);
  transition: all var(--transition);
}
.actress-card:hover .actress-card__photo {
  box-shadow: 0 0 0 3px var(--pink);
}
.actress-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.actress-card__photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
}

/* トップページ出演者グリッド */
.actress-grid--top {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 16px;
}
.actress-card--top {
  text-align: center;
  transition: transform var(--transition);
  color: var(--text);
}
.actress-card--top:hover { transform: translateY(-3px); }
.actress-card--top .actress-card__photo { max-width: 80px; }
.actress-card--top .actress-card__name {
  font-size: 0.78rem;
  font-weight: 700;
  margin-top: 8px;
}
.actress-card--top .actress-card__count {
  font-size: 0.68rem;
  color: var(--text-light);
}

/* ===========================
   Gallery: サムネイルズームボタン
   =========================== */
.gallery-thumb__zoom {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  background: rgba(228,0,127,0.85);
  color: #fff;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
  cursor: pointer;
  z-index: 2;
}
.gallery-thumb:hover .gallery-thumb__zoom { opacity: 1; }

/* ===========================
   Lightbox
   =========================== */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.lightbox.is-open {
  display: flex;
}
.lightbox__content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
  text-align: center;
}
.lightbox__content img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 48px rgba(0,0,0,0.6);
}
.lightbox__counter {
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
  margin-top: 10px;
}
.lightbox__close {
  position: fixed;
  top: 20px;
  right: 24px;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  background: rgba(255,255,255,0.1);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 10000;
}
.lightbox__close:hover { background: rgba(228,0,127,0.7); }
.lightbox__prev,
.lightbox__next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  font-size: 2.5rem;
  background: rgba(255,255,255,0.1);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 10000;
}
.lightbox__prev { left: 20px; }
.lightbox__next { right: 20px; }
.lightbox__prev:hover,
.lightbox__next:hover { background: rgba(228,0,127,0.7); }

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1024px) {
  .actress-grid--top { grid-template-columns: repeat(4, 1fr); }
  .series-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-pickup { display: none; }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .actress-grid { grid-template-columns: repeat(3, 1fr); }
  .actress-grid--top { grid-template-columns: repeat(3, 1fr); } /* スマホ: 3列×2行=6人 */
  .actress-card--top-hidden-sp { display: none; } /* 7・8人目を非表示 */
  .actress-card__photo { max-width: 90px; } /* 出演者一覧ページのスマホ時は元のサイズ */
  .detail-layout { grid-template-columns: 1fr; }
  .gallery-thumbs { grid-template-columns: repeat(4, 1fr); }
  .series-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .actress-grid { grid-template-columns: repeat(2, 1fr); }
  .actress-grid--top { grid-template-columns: repeat(3, 1fr); } /* スマホ小: 3列×2行=6人 */
  .actress-card--top-hidden-sp { display: none; }
  .actress-card__photo { max-width: 80px; }
  .gallery-thumbs { grid-template-columns: repeat(3, 1fr); }
}

/* ===========================
   ハンバーガーボタン
   =========================== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--pink);
  border-radius: 2px;
  transition: all 0.25s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===========================
   モバイルドロワーナビ
   =========================== */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 300;
}
.nav-overlay.is-open { display: block; }

.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(320px, 85vw);
  height: 100%;
  background: var(--white);
  z-index: 400;
  overflow-y: auto;
  transition: right 0.3s ease;
  padding: 0 0 40px;
  box-shadow: -4px 0 24px rgba(0,0,0,0.15);
}
.mobile-nav.is-open { right: 0; }

.mobile-nav__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 56px;
  font-size: 1.6rem;
  color: var(--text-light);
  background: var(--gray);
  border: none;
  cursor: pointer;
  font-family: inherit;
  border-bottom: 1px solid var(--gray-mid);
}
.mobile-nav__close:hover { color: var(--pink); }

.mobile-nav__list {
  list-style: none;
  padding: 8px 0;
}
.mobile-nav__list li a {
  display: block;
  padding: 14px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  border-bottom: 1px solid var(--gray-mid);
  transition: all var(--transition);
}
.mobile-nav__list li a:hover {
  background: var(--pink-pale);
  color: var(--pink);
}
.mobile-nav__sub a {
  padding-left: 40px !important;
  font-size: 0.88rem !important;
  color: var(--text-light);
}

.mobile-nav__search {
  display: flex;
  align-items: center;
  margin: 20px 16px 0;
  background: var(--gray);
  border-radius: 50px;
  padding: 0 4px 0 16px;
  border: 2px solid var(--gray-mid);
  box-sizing: border-box;  /* ボーダーを幅に含める */
  overflow: hidden;        /* 内容がはみ出ないように */
  min-width: 0;            /* flex子要素が縮むように */
}
.mobile-nav__search input {
  flex: 1;
  min-width: 0;  /* 入力欄が縮むように */
  border: none;
  background: none;
  outline: none;
  font-size: 0.88rem;
  padding: 10px 0;
  font-family: inherit;
}
.mobile-nav__search button {
  width: 36px;
  height: 36px;
  min-width: 36px;  /* ボタン幅が縮まないように */
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--blue));
  color: #fff;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: none;
  cursor: pointer;
}

/* ===========================
   スマホ時のヘッダー修正
   =========================== */
@media (max-width: 860px) {
  .hamburger { display: flex; }
  .header-search { display: none; }
  .site-header { overflow: visible; }
  .header-inner { gap: 12px; }
}

/* 動画ラッパー（FANZAのiframe自体にpaddingがあるため外側は不要）*/
.gallery-video__outer {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow);
  line-height: 0;
  font-size: 0;
}
.gallery-video__outer > div {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 0 !important;
  /* FANZAのiframeコードはdiv自体にpadding-top:75%が設定されているためそのまま使う */
  line-height: 0;
  font-size: 0;
}