/*
Theme Name: Kawaii Yami（かわいい闇）
Theme URI: https://example.com/
Author: Your Store
Author URI: https://example.com/
Description: 海外コミック・海外漫画の通販アフィリエイトブログ向けオリジナルテーマ。淡いピンクとダークネイビーのコントラストで「かわいい×闇」の世界観を表現したポータル型レイアウト。カテゴリー別ポータル、おすすめ作品ランキング、新着記事グリッドを標準搭載。
Version: 1.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: kawaii-yami
*/

/* ==========================================================================
   0. カラー・変数定義
   ========================================================================== */
:root{
  /* かわいい（ピンク系） */
  --pink-50:  #fff5f8;
  --pink-100: #ffe3ec;
  --pink-200: #ffc2d6;
  --pink-300: #ff9fbf;
  --pink-400: #ff7aa8;
  --pink-500: #ff5c96;

  /* 闇（ダークネイビー系） */
  --navy-900: #10101c;
  --navy-800: #171a2b;
  --navy-700: #1f2338;
  --navy-600: #2a2f4a;
  --navy-500: #3a4066;

  /* 差し色 */
  --gold: #ffd873;
  --lavender: #c9a8ff;

  --text-dark: #201c2b;
  --text-light: #f5f1fa;
  --text-muted: #9a93b3;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --shadow-card: 0 8px 24px rgba(23, 16, 38, 0.10);
  --shadow-card-hover: 0 14px 32px rgba(23, 16, 38, 0.18);

  --font-base: "Zen Maru Gothic","Hiragino Maru Gothic ProN","Yu Gothic",sans-serif;
  --font-accent: "Zen Kaku Gothic New","Hiragino Sans",sans-serif;
}

/* ==========================================================================
   1. リセット・ベース
   ========================================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--pink-50);
  color: var(--text-dark);
  font-family: var(--font-base);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; height:auto; display:block; }
a{ color: inherit; text-decoration:none; transition: color .2s ease, opacity .2s ease; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family: var(--font-accent); margin:0 0 .6em; line-height:1.4; }
.container{ max-width:1140px; margin:0 auto; padding:0 20px; }
.screen-reader-text{ position:absolute; left:-9999px; }

/* 星の飾り（闇夜モチーフ） */
.star-deco{ position:relative; }
.star-deco::before{
  content:"✦";
  color: var(--gold);
  margin-right:.4em;
}

/* ==========================================================================
   2. ヘッダー
   ========================================================================== */
.site-header{
  background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
  color: var(--text-light);
  position: sticky;
  top:0;
  z-index: 100;
  box-shadow: 0 2px 16px rgba(0,0,0,.25);
}
.site-header::after{
  content:"";
  display:block;
  height:4px;
  background: linear-gradient(90deg, var(--pink-300), var(--lavender), var(--pink-300));
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 16px 20px;
}
.site-branding{ display:flex; align-items:center; gap:10px; }
.site-title{
  font-size: 1.5rem;
  font-weight:700;
  letter-spacing:.02em;
  margin:0;
}
.site-title a{ color: var(--text-light); }
.site-title a span{ color: var(--pink-300); }
.site-description{
  margin:2px 0 0;
  font-size:.75rem;
  color: var(--text-muted);
}
.custom-logo{ border-radius: 50%; }

.main-navigation{ }
.main-navigation ul{ display:flex; gap: 6px; }
.main-navigation a{
  display:block;
  padding:10px 14px;
  border-radius: 999px;
  font-size:.92rem;
  color: var(--text-light);
}
.main-navigation a:hover,
.main-navigation .current-menu-item a{
  background: rgba(255,124,168,.18);
  color: var(--pink-300);
}
.menu-toggle{
  display:none;
  background:none;
  border:none;
  color: var(--text-light);
  font-size:1.6rem;
  cursor:pointer;
}

@media (max-width: 780px){
  .menu-toggle{ display:block; }
  .main-navigation{
    display:none;
    position:absolute;
    top: 100%; left:0; right:0;
    background: var(--navy-800);
    padding: 10px 20px 20px;
  }
  .main-navigation.is-open{ display:block; }
  .main-navigation ul{ flex-direction:column; gap:2px; }
}

/* ==========================================================================
   3. ヒーローセクション（トップページ）
   ========================================================================== */
.hero{
  background:
    radial-gradient(circle at 15% 20%, rgba(255,124,168,.35), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(201,168,255,.30), transparent 45%),
    linear-gradient(160deg, var(--navy-900), var(--navy-700));
  color: var(--text-light);
  padding: 72px 20px 90px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"✦ ✧ ✦";
  letter-spacing: 1.2em;
  color: var(--gold);
  opacity:.5;
  display:block;
  font-size:.9rem;
  margin-bottom:18px;
}
.hero h1{
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom:.5em;
}
.hero h1 .accent{
  background: linear-gradient(90deg, var(--pink-300), var(--lavender));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero p{
  max-width:560px;
  margin:0 auto;
  color: var(--text-muted);
}
.hero-search{
  margin-top:28px;
  display:flex;
  justify-content:center;
}
.hero-search form{
  display:flex;
  width:100%;
  max-width: 480px;
  background: var(--text-light);
  border-radius: 999px;
  overflow:hidden;
  box-shadow: var(--shadow-card);
}
.hero-search input[type="search"]{
  flex:1;
  border:none;
  padding: 14px 20px;
  font-size: .95rem;
  outline:none;
  font-family: var(--font-base);
}
.hero-search button{
  border:none;
  padding: 0 24px;
  background: var(--pink-400);
  color:#fff;
  font-weight:700;
  cursor:pointer;
}
.hero-search button:hover{ background: var(--pink-500); }

/* ==========================================================================
   4. セクション共通
   ========================================================================== */
.section{ padding: 60px 20px; }
.section-navy{ background: var(--navy-800); color: var(--text-light); }
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom: 30px;
  flex-wrap:wrap;
  gap:10px;
}
.section-head h2{
  font-size:1.5rem;
  display:flex;
  align-items:center;
  gap:.4em;
}
.section-navy .section-head h2{ color: var(--text-light); }
.section-head .more-link{
  font-size:.85rem;
  font-weight:600;
  color: var(--pink-500);
  border-bottom:1px solid var(--pink-300);
  padding-bottom:2px;
}
.section-navy .section-head .more-link{ color: var(--pink-300); border-color: var(--pink-300); }

/* ==========================================================================
   5. カテゴリーポータル
   ========================================================================== */
.category-portal{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}
.category-card{
  position:relative;
  border-radius: var(--radius-md);
  padding: 28px 22px;
  background: linear-gradient(150deg, #fff, var(--pink-50));
  border: 1px solid var(--pink-100);
  box-shadow: var(--shadow-card);
  overflow:hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.category-card:hover{
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}
.category-card::after{
  content:"";
  position:absolute;
  right:-30px; top:-30px;
  width:100px; height:100px;
  border-radius:50%;
  background: rgba(255,124,168,.15);
}
.category-card .cat-icon{
  font-size:1.8rem;
  margin-bottom:12px;
  display:inline-block;
}
.category-card h3{
  font-size:1.05rem;
  margin-bottom:.3em;
  color: var(--navy-800);
}
.category-card p{
  font-size:.82rem;
  color: var(--text-muted);
  margin:0 0 14px;
}
.category-card .cat-count{
  font-size:.72rem;
  font-weight:700;
  color: var(--pink-500);
  background: var(--pink-100);
  padding: 4px 10px;
  border-radius: 999px;
  display:inline-block;
}

/* ==========================================================================
   6. おすすめ作品ランキング
   ========================================================================== */
.ranking-list{
  display:grid;
  gap: 16px;
}
.ranking-item{
  display:grid;
  grid-template-columns: 56px 96px 1fr;
  gap: 18px;
  align-items:center;
  background: var(--navy-700);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  border: 1px solid var(--navy-600);
  transition: transform .2s ease, border-color .2s ease;
}
.ranking-item:hover{ transform: translateX(4px); border-color: var(--pink-300); }
.ranking-rank{
  font-family: var(--font-accent);
  font-size:1.8rem;
  font-weight:800;
  text-align:center;
  color: var(--pink-300);
}
.ranking-item:nth-child(1) .ranking-rank{ color: var(--gold); }
.ranking-item:nth-child(2) .ranking-rank{ color: #e3e3ef; }
.ranking-item:nth-child(3) .ranking-rank{ color: #d79a6c; }
.ranking-thumb img{
  border-radius: var(--radius-sm);
  aspect-ratio: 3/4;
  object-fit:cover;
}
.ranking-thumb .no-thumb{
  aspect-ratio:3/4;
  border-radius: var(--radius-sm);
  background: var(--navy-600);
  display:flex; align-items:center; justify-content:center;
  color: var(--text-muted);
  font-size:.7rem;
}
.ranking-body h3{
  font-size:1rem;
  margin-bottom:.3em;
}
.ranking-body h3 a{ color: var(--text-light); }
.ranking-body h3 a:hover{ color: var(--pink-300); }
.ranking-body .ranking-excerpt{
  font-size:.8rem;
  color: var(--text-muted);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.ranking-badge{
  display:inline-block;
  margin-top:8px;
  font-size:.68rem;
  padding:2px 9px;
  border-radius:999px;
  background: rgba(255,124,168,.15);
  color: var(--pink-300);
}

/* ==========================================================================
   7. 記事グリッド（新着・アーカイブ共通）
   ========================================================================== */
.post-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 26px;
}
.post-card{
  background:#fff;
  border-radius: var(--radius-md);
  overflow:hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--pink-100);
  display:flex;
  flex-direction:column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.post-card:hover{ transform: translateY(-5px); box-shadow: var(--shadow-card-hover); }
.post-card .post-thumb{
  aspect-ratio: 4/3;
  overflow:hidden;
  background: var(--pink-100);
  position:relative;
}
.post-card .post-thumb img{ width:100%; height:100%; object-fit:cover; }
.post-card .post-cat{
  position:absolute;
  top:10px; left:10px;
  background: var(--navy-900);
  color: var(--pink-300);
  font-size:.68rem;
  padding:4px 10px;
  border-radius:999px;
}
.post-card .post-body{ padding: 16px 18px 20px; flex:1; display:flex; flex-direction:column; }
.post-card h3{ font-size:1rem; margin-bottom:.4em; }
.post-card h3 a:hover{ color: var(--pink-500); }
.post-card .post-excerpt{
  font-size:.82rem;
  color: var(--text-muted);
  margin:0 0 12px;
  flex:1;
}
.post-card .post-meta{
  font-size:.72rem;
  color: var(--text-muted);
  display:flex;
  gap:10px;
  border-top:1px dashed var(--pink-100);
  padding-top:10px;
}

/* ==========================================================================
   8. シングル記事・固定ページ
   ========================================================================== */
.content-wrap{
  display:grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  padding: 50px 20px 70px;
  max-width:1140px;
  margin:0 auto;
}
@media (max-width: 900px){
  .content-wrap{ grid-template-columns: 1fr; }
}
.single-article{
  background:#fff;
  border-radius: var(--radius-md);
  padding: 32px 34px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--pink-100);
}
.single-article .entry-thumb{
  border-radius: var(--radius-md);
  overflow:hidden;
  margin-bottom:26px;
}
.entry-title{ font-size: clamp(1.4rem, 3vw, 2rem); }
.entry-meta{
  font-size:.8rem;
  color: var(--text-muted);
  margin-bottom: 26px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.entry-content{ font-size: 1rem; }
.entry-content h2{
  margin-top:2em;
  padding-left:.6em;
  border-left: 5px solid var(--pink-300);
}
.entry-content h3{ color: var(--navy-700); }
.entry-content a{ color: var(--pink-500); text-decoration:underline; }
.entry-content img{ border-radius: var(--radius-sm); }
.entry-content blockquote{
  background: var(--pink-50);
  border-left: 4px solid var(--lavender);
  margin: 1.6em 0;
  padding: 1em 1.4em;
  border-radius: var(--radius-sm);
  font-style: italic;
}

/* アフィリエイト商品ボックス（本文内で使うショートコード用） */
.buy-box{
  display:flex;
  gap:20px;
  align-items:center;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color:#fff;
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 2em 0;
  flex-wrap:wrap;
}
.buy-box img{ width:100px; border-radius: var(--radius-sm); }
.buy-box .buy-box-body{ flex:1; min-width:180px; }
.buy-box .buy-box-title{ font-weight:700; margin-bottom:6px; }
.buy-box .buy-box-btn{
  display:inline-block;
  margin-top:10px;
  padding: 8px 18px;
  border-radius:999px;
  background: var(--pink-400);
  color:#fff;
  font-size:.85rem;
  font-weight:700;
}
.buy-box .buy-box-btn:hover{ background: var(--pink-500); }

/* ==========================================================================
   9. サイドバー
   ========================================================================== */
.widget-area .widget{
  background:#fff;
  border-radius: var(--radius-md);
  padding: 22px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--pink-100);
}
.widget-title{
  font-size:1rem;
  padding-bottom:10px;
  margin-bottom:14px;
  border-bottom:2px dotted var(--pink-200);
  color: var(--navy-800);
}
.widget ul li{ padding: 7px 0; border-bottom:1px dashed var(--pink-100); font-size:.88rem; }
.widget ul li:last-child{ border-bottom:none; }
.widget ul li a:hover{ color: var(--pink-500); }

/* ==========================================================================
   10. フッター
   ========================================================================== */
.site-footer{
  background: var(--navy-900);
  color: var(--text-muted);
  padding: 50px 20px 30px;
  margin-top: 40px;
}
.footer-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 30px;
  max-width:1140px;
  margin: 0 auto 30px;
}
.footer-grid h4{ color:#fff; font-size:.95rem; }
.footer-grid a:hover{ color: var(--pink-300); }
.site-footer .footer-bottom{
  text-align:center;
  font-size:.75rem;
  border-top: 1px solid var(--navy-600);
  padding-top: 20px;
  max-width:1140px;
  margin:0 auto;
}

/* ==========================================================================
   11. ページネーション / 汎用
   ========================================================================== */
.pagination{ display:flex; gap:8px; justify-content:center; margin-top:40px; flex-wrap:wrap; }
.pagination a, .pagination span{
  padding: 8px 14px;
  border-radius: 8px;
  background:#fff;
  border:1px solid var(--pink-200);
  font-size:.85rem;
}
.pagination .current{ background: var(--pink-400); color:#fff; border-color: var(--pink-400); }

.archive-header{
  background: linear-gradient(160deg, var(--navy-900), var(--navy-700));
  color:#fff;
  padding: 46px 20px;
  text-align:center;
}
.archive-header h1{ margin-bottom:.2em; }
.archive-header p{ color: var(--text-muted); margin:0; }

.page-title-bar{
  padding: 40px 20px 10px;
  max-width:1140px;
  margin:0 auto;
}