/*
Theme Name: PinBoard
Theme URI: https://example.com/pinboard
Author: Your Name
Description: Pinterest風マソンリーレイアウトの完全オリジナルWordPressテーマ
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: pinboard
*/

/* ============================================================
   CSS変数
   ============================================================ */
:root {
  --color-primary:      #e60023;
  --color-primary-dark: #ad081b;
  --color-bg:           #f0eeec;
  --color-white:        #ffffff;
  --color-text:         #1a1a1a;
  --color-text-muted:   #767676;
  --color-border:       #e0ddd8;
  --color-overlay:      rgba(0,0,0,0.5);
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-full: 9999px;
  --shadow-card:       0 2px 8px rgba(0,0,0,0.12);
  --shadow-card-hover: 0 8px 28px rgba(0,0,0,0.22);
  --shadow-btn:        0 2px 8px rgba(230,0,35,0.3);
  --font-sans:    'Noto Sans JP','Hiragino Kaku Gothic ProN',sans-serif;
  --font-display: 'Playfair Display','Noto Serif JP',serif;
  --header-height: 64px;
  --col-min: 236px;
  --gutter:  12px;
  --transition: 0.2s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html {scroll-behavior:smooth;}
body {font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased;}
img  {max-width:100%;display:block;}
a    {text-decoration:none;color:inherit;}
ul,ol{list-style:none;}

/* ============================================================
   ヘッダー
   ============================================================ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:64px;background:#fff;box-shadow:0 1px 0 #e0ddd8;display:flex;align-items:center;padding:0 16px;gap:12px;}
.site-logo{flex-shrink:0;display:flex;align-items:center;gap:8px;}
.logo-icon{width:36px;height:36px;background:#e60023;border-radius:9999px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:700;font-family:var(--font-display);letter-spacing:-1px;flex-shrink:0;}
.logo-text{font-weight:700;font-size:20px;font-family:var(--font-display);color:#e60023;display:none;}
@media(min-width:768px){.logo-text{display:block;}}
.search-wrap{flex:1;max-width:560px;}
.search-form{display:flex;align-items:center;background:#f0eeec;border:2px solid transparent;border-radius:9999px;padding:0 16px;height:44px;transition:all .2s ease;}
.search-form:focus-within{background:#fff;border-color:#1a1a1a;box-shadow:0 0 0 4px rgba(0,0,0,.08);}
.search-icon{color:#767676;margin-right:8px;flex-shrink:0;}
.search-input{flex:1;border:none;background:transparent;font-size:15px;font-family:var(--font-sans);color:#1a1a1a;outline:none;}
.search-input::placeholder{color:#767676;}
.header-nav{display:none;align-items:center;gap:4px;}
@media(min-width:1024px){.header-nav{display:flex;}}
.nav-link{padding:8px 14px;border-radius:9999px;font-size:14px;font-weight:600;color:#1a1a1a;transition:background .2s ease;}
.nav-link:hover{background:#f0eeec;}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}

/* ============================================================
   ボタン
   ============================================================ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:9999px;font-size:14px;font-weight:700;cursor:pointer;border:none;font-family:var(--font-sans);transition:background .2s,transform .2s,box-shadow .2s;}
.btn:active{transform:scale(.97);}
.btn-primary{background:#e60023;color:#fff;box-shadow:0 2px 8px rgba(230,0,35,.3);}
.btn-primary:hover{background:#ad081b;}
.btn-outline{background:transparent;color:#1a1a1a;border:2px solid #e0ddd8;}
.btn-outline:hover{border-color:#1a1a1a;}
.btn-ghost{background:#f0eeec;color:#1a1a1a;}
.btn-ghost:hover{background:#e0ddd8;}
.btn-icon{width:40px;height:40px;padding:0;border-radius:9999px;background:transparent;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#1a1a1a;font-size:20px;transition:background .2s;}
.btn-icon:hover{background:#f0eeec;}

/* ============================================================
   メインコンテンツ
   ============================================================ */
.site-main{margin-top:64px;min-height:calc(100vh - 64px);}

/* ============================================================
   ヒーロー — Pinterest完全再現
   左330px ／ 中央flex:1 ／ 右330px
   カード幅160px × 2列 + gap10px = 330px
   ============================================================ */
.hero-v2 {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  width: 100%;
  height: calc(100vh - 64px);
  overflow: hidden;
  background: #ffffff;
  position: relative;
}

/* サイドコンテナ：幅330px固定 */
.hero-v2-side {
  width: 330px;
  min-width: 330px;
  flex-shrink: 0;
  display: flex;
  flex-direction: row;
  gap: 10px;
  height: 100%;
  overflow: hidden;
}

/* 左：右端フェード */
.hero-v2-side--left {
  -webkit-mask-image: linear-gradient(to right, black 55%, transparent 100%);
  mask-image:         linear-gradient(to right, black 55%, transparent 100%);
}

/* 右：左端フェード */
.hero-v2-side--right {
  -webkit-mask-image: linear-gradient(to left, black 55%, transparent 100%);
  mask-image:         linear-gradient(to left, black 55%, transparent 100%);
}

/* カラム：幅160px固定 */
.hero-v2-col {
  width: 160px;
  min-width: 160px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: heroScrollUp 30s linear infinite;
}

/* オフセット列：80px下にずらす */
.hero-v2-col--offset {
  margin-top: 80px;
  animation: heroScrollDown 36s linear infinite;
}

.hero-v2-col:hover,
.hero-v2-col--offset:hover {
  animation-play-state: paused;
}

/* カード：幅160px固定 */
.hero-v2-card {
  width: 160px;
  min-width: 160px;
  flex-shrink: 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,.10);
  background: #f0eeec;
}
.hero-v2-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 中央エリア：残り幅すべて */
.hero-v2-center {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: 80px 32px 24px;
  z-index: 2;
  min-width: 0;
}

/* タイトル */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 60px);
  font-weight: 700;
  line-height: 1.2;
  color: #1a1a1a;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.hero-title span {
  color: #e60023;
  display: block;
  transition: opacity .3s, transform .3s;
}

/* ドット */
.hero-dots {display:flex;gap:6px;justify-content:center;margin:16px 0 28px;}
.hero-dot  {width:8px;height:8px;border-radius:50%;background:#ccc;}
.hero-dot.active{background:#1a1a1a;}

/* タグ */
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;}
.hero-tag{background:#fff;border:1.5px solid #e0ddd8;color:#1a1a1a;font-size:14px;font-weight:600;padding:8px 18px;border-radius:9999px;cursor:pointer;transition:all .2s;white-space:nowrap;}
.hero-tag:hover{border-color:#1a1a1a;box-shadow:0 2px 8px rgba(0,0,0,.1);transform:translateY(-1px);}

/* 下矢印 */
.hero-down-btn{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);background:rgba(255,255,255,.92);border:none;border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.15);z-index:10;animation:heroBounce 2s ease infinite;}
.hero-down-btn:hover{box-shadow:0 4px 16px rgba(0,0,0,.2);}

/* レスポンシブ */
@media(max-width:1100px){
  .hero-v2-side{width:270px;min-width:270px;}
  .hero-v2-col,.hero-v2-card{width:130px;min-width:130px;}
}
@media(max-width:768px){
  .hero-v2-side{display:none;}
  .hero-v2{height:auto;min-height:calc(100vh - 64px);}
  .hero-v2-center{padding:60px 20px;}
}

/* ============================================================
   フィルターバー
   ============================================================ */
.filter-bar{position:sticky;top:64px;z-index:90;background:#fff;border-bottom:1px solid #e0ddd8;padding:0 16px;}
.filter-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none;-ms-overflow-style:none;}
.filter-inner::-webkit-scrollbar{display:none;}
.filter-chip{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;padding:8px 18px;border-radius:9999px;font-size:14px;font-weight:600;cursor:pointer;border:none;background:#f0eeec;color:#1a1a1a;font-family:var(--font-sans);transition:all .2s;}
.filter-chip:hover    {background:#e0ddd8;}
.filter-chip.is-active{background:#1a1a1a;color:#fff;}

/* ============================================================
   マソンリーグリッド・ピンカード
   ============================================================ */
.pins-section{padding:20px 12px 40px;}
.masonry-grid{columns:236px auto;column-gap:12px;}
.pin-card{break-inside:avoid;margin-bottom:12px;position:relative;cursor:pointer;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.12);transition:transform .2s,box-shadow .2s;animation:fadeIn .4s ease both;}
.pin-card:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(0,0,0,.22);}
.pin-img-wrap{position:relative;overflow:hidden;}
.pin-img-wrap img{width:100%;height:auto;display:block;transition:transform .4s ease;}
.pin-card:hover .pin-img-wrap img{transform:scale(1.04);}
.pin-overlay{position:absolute;inset:0;background:rgba(0,0,0,.5);opacity:0;transition:opacity .2s;display:flex;flex-direction:column;justify-content:space-between;padding:12px;}
.pin-card:hover .pin-overlay{opacity:1;}
.pin-overlay-top   {display:flex;justify-content:flex-end;}
.pin-overlay-bottom{display:flex;align-items:center;gap:6px;}
.pin-save-btn{background:#e60023;color:#fff;border:none;border-radius:9999px;padding:10px 20px;font-size:14px;font-weight:700;cursor:pointer;font-family:var(--font-sans);transition:background .2s,transform .2s;}
.pin-save-btn:hover{background:#ad081b;transform:scale(1.03);}
.pin-action-btn{background:rgba(255,255,255,.25);backdrop-filter:blur(4px);color:#fff;border:none;border-radius:9999px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;transition:background .2s;}
.pin-action-btn:hover{background:rgba(255,255,255,.4);}
.pin-body{padding:12px;}
.pin-title{font-size:14px;font-weight:700;line-height:1.4;color:#1a1a1a;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pin-desc{font-size:12px;color:#767676;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;}
.pin-meta{display:flex;align-items:center;gap:6px;}
.pin-avatar{width:24px;height:24px;border-radius:9999px;overflow:hidden;background:#f0eeec;flex-shrink:0;}
.pin-avatar img{width:100%;height:100%;object-fit:cover;}
.pin-author{font-size:12px;color:#767676;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pin-likes{margin-left:auto;display:flex;align-items:center;gap:4px;font-size:12px;color:#767676;flex-shrink:0;}
.pin-badge{position:absolute;top:10px;left:10px;background:rgba(255,255,255,.92);backdrop-filter:blur(4px);color:#1a1a1a;font-size:11px;font-weight:700;padding:4px 10px;border-radius:9999px;letter-spacing:.03em;}

/* ============================================================
   ローディング
   ============================================================ */
.loading-spinner{display:flex;justify-content:center;padding:40px 0;opacity:0;transition:opacity .3s;}
.loading-spinner.is-visible{opacity:1;}
.spinner{width:36px;height:36px;border:3px solid #e0ddd8;border-top-color:#e60023;border-radius:9999px;animation:spin .7s linear infinite;}

/* ============================================================
   モーダル
   ============================================================ */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:200;display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;visibility:hidden;transition:all .25s ease;backdrop-filter:blur(4px);}
.modal-overlay.is-open{opacity:1;visibility:visible;}
.modal{background:#fff;border-radius:24px;max-width:880px;width:100%;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 24px 64px rgba(0,0,0,.3);transform:scale(.95) translateY(16px);transition:transform .25s ease;}
.modal-overlay.is-open .modal{transform:scale(1) translateY(0);}
@media(min-width:768px){.modal{flex-direction:row;max-height:80vh;}}
.modal-img{flex:1;background:#f0eeec;overflow:hidden;min-height:280px;}
.modal-img img{width:100%;height:100%;object-fit:cover;}
.modal-info{width:100%;padding:24px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;}
@media(min-width:768px){.modal-info{width:360px;flex-shrink:0;}}
.modal-actions{display:flex;align-items:center;gap:8px;}
.modal-close{margin-left:auto;background:#f0eeec;border:none;border-radius:9999px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;transition:background .2s;}
.modal-close:hover{background:#e0ddd8;}
.modal-title{font-family:var(--font-display);font-size:22px;font-weight:700;color:#1a1a1a;line-height:1.3;}
.modal-desc{font-size:15px;color:#767676;line-height:1.6;}
.modal-author{display:flex;align-items:center;gap:10px;padding:12px 0;border-top:1px solid #e0ddd8;}
.modal-author-avatar{width:40px;height:40px;border-radius:9999px;overflow:hidden;background:#f0eeec;}
.modal-author-avatar img{width:100%;height:100%;object-fit:cover;}
.modal-author-name{font-size:14px;font-weight:700;}
.modal-author-handle{font-size:13px;color:#767676;}

/* ============================================================
   シングルページ・フッター他
   ============================================================ */
.single-pin{max-width:1200px;margin:0 auto;padding:40px 16px;display:grid;grid-template-columns:1fr;gap:40px;}
@media(min-width:900px){.single-pin{grid-template-columns:1fr 400px;}}
.single-pin-img{border-radius:24px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.12);}
.single-pin-img img{width:100%;height:auto;}
.single-pin-info{position:sticky;top:88px;}
.single-pin-title{font-family:var(--font-display);font-size:28px;font-weight:700;line-height:1.25;margin-bottom:16px;}
.site-footer{background:#fff;border-top:1px solid #e0ddd8;padding:48px 24px 32px;margin-top:60px;}
.footer-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:40px 32px;margin-bottom:40px;}
.footer-brand p{font-size:14px;color:#767676;line-height:1.6;}
.footer-col-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#767676;margin-bottom:12px;}
.footer-links{display:flex;flex-direction:column;gap:8px;}
.footer-links a{font-size:14px;color:#767676;transition:color .2s;}
.footer-links a:hover{color:#e60023;}
.footer-bottom{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid #e0ddd8;font-size:13px;color:#767676;flex-wrap:wrap;gap:8px;}
.not-found{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;padding:40px 24px;}
.not-found-code{font-family:var(--font-display);font-size:120px;font-weight:700;color:#e60023;line-height:1;margin-bottom:16px;}
.not-found-title{font-size:24px;font-weight:700;margin-bottom:8px;}
.not-found-desc{color:#767676;margin-bottom:32px;}
.pagination{display:flex;justify-content:center;align-items:center;gap:6px;padding:48px 0;}
.page-num{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:9999px;font-size:14px;font-weight:600;color:#1a1a1a;transition:all .2s;}
.page-num:hover,.page-num.current{background:#e60023;color:#fff;}
.sidebar{width:240px;flex-shrink:0;display:none;}
@media(min-width:1100px){.sidebar{display:block;}}
.sidebar-widget{background:#fff;border-radius:16px;padding:20px;margin-bottom:16px;box-shadow:0 2px 8px rgba(0,0,0,.12);}
.sidebar-widget-title{font-size:14px;font-weight:700;color:#767676;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;}
.sidebar-tags{display:flex;flex-wrap:wrap;gap:6px;}
.sidebar-tag{background:#f0eeec;color:#1a1a1a;font-size:13px;font-weight:600;padding:6px 12px;border-radius:9999px;cursor:pointer;transition:all .2s;}
.sidebar-tag:hover{background:#e60023;color:#fff;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0;}
.container{max-width:1400px;margin:0 auto;padding:0 16px;}

/* ============================================================
   アニメーション
   ============================================================ */
@keyframes fadeIn       {from{opacity:0;transform:translateY(8px);}  to{opacity:1;transform:translateY(0);}}
@keyframes fadeUp       {from{opacity:0;transform:translateY(24px);} to{opacity:1;transform:translateY(0);}}
@keyframes spin         {to{transform:rotate(360deg);}}
@keyframes heroScrollUp {from{transform:translateY(0);}              to{transform:translateY(-50%);}}
@keyframes heroScrollDown{from{transform:translateY(-80px);}         to{transform:translateY(calc(-50% - 80px));}}
@keyframes heroBounce   {0%,100%{transform:translateX(-50%) translateY(0);}50%{transform:translateX(-50%) translateY(5px);}}

.pin-card:nth-child(1){animation-delay:.05s;}
.pin-card:nth-child(2){animation-delay:.10s;}
.pin-card:nth-child(3){animation-delay:.15s;}
.pin-card:nth-child(4){animation-delay:.20s;}
.pin-card:nth-child(5){animation-delay:.25s;}
.pin-card:nth-child(6){animation-delay:.30s;}
.pin-card:nth-child(7){animation-delay:.35s;}
.pin-card:nth-child(8){animation-delay:.40s;}

@media(max-width:480px) {.masonry-grid{columns:160px auto;column-gap:8px;}}
@media(min-width:1600px){.masonry-grid{columns:260px auto;}}