/* Tane — Main Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500;700&family=Noto+Sans+JP:wght@400;500&display=swap');

:root {
  --bg:           #F4EFE6;  --bg-card:     #FDFAF5;  --bg-sidebar:  #2C2416;
  --text:         #2A1F0E;  --text-muted:  #7A6A55;
  --accent:       #3D6B47;  --accent-warm: #C4872A;  --danger:      #B83232;
  --border:       #DDD4C0;  --border-card: #E8E0D0;
  --tag-bg:       #EDE6D8;  --input-bg:    #fff;
  --shadow:       0 1px 4px rgba(42,31,14,.07);
  --shadow-hover: 0 3px 12px rgba(42,31,14,.13);
  --radius:       10px;  --sidebar-w: 64px;
  --mob-top-h:    52px;  --mob-nav-h: 58px;  --tr: .18s ease;
}
[data-theme="dark"] {
  --bg:#191410; --bg-card:#221E17; --bg-sidebar:#100D08;
  --text:#EDE5D4; --text-muted:#9A8A72;
  --accent:#5A9B6A; --accent-warm:#D49B3A; --danger:#D46060;
  --border:#3A3028; --border-card:#332D24; --tag-bg:#2C2820; --input-bg:#1E1A14;
  --shadow:0 1px 4px rgba(0,0,0,.3); --shadow-hover:0 3px 12px rgba(0,0,0,.4);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px}
body{font-family:'Noto Sans JP',sans-serif;background:var(--bg);color:var(--text);display:flex;min-height:100vh;line-height:1.7;transition:background var(--tr),color var(--tr)}

/* ══ PC Sidebar ══════════════════════════════════════════════════════════ */
.sidebar{width:var(--sidebar-w);background:var(--bg-sidebar);display:flex;flex-direction:column;align-items:center;padding:16px 0;position:fixed;top:0;left:0;bottom:0;z-index:100}
.sidebar-logo{display:block;margin-bottom:24px}
.sidebar-logo svg{width:40px;height:40px}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;color:rgba(255,255,255,.45);text-decoration:none;border:none;background:none;cursor:pointer;transition:color var(--tr),background var(--tr)}
.nav-icon svg{width:22px;height:22px}
.nav-icon:hover,.nav-icon.active{color:#fff;background:rgba(255,255,255,.1)}
.nav-icon.active{color:var(--accent-warm)}
.sidebar-bottom{display:flex;flex-direction:column;align-items:center;gap:8px}
.theme-toggle .icon-moon{display:none}
[data-theme="dark"] .theme-toggle .icon-sun{display:none}
[data-theme="dark"] .theme-toggle .icon-moon{display:block}
.lang-switch{display:flex;flex-direction:column;gap:2px}
.lang-switch a{font-size:10px;font-weight:500;color:rgba(255,255,255,.35);text-decoration:none;text-align:center;padding:2px 0;transition:color var(--tr)}
.lang-switch a.active,.lang-switch a:hover{color:rgba(255,255,255,.85)}

/* ══ Mobile Header ══════════════════════════════════════════════════════ */
.mobile-header{display:none;position:fixed;top:0;left:0;right:0;z-index:200;height:var(--mob-top-h);background:var(--bg-sidebar);align-items:center;justify-content:space-between;padding:0 16px}
.mobile-logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:#fff;font-family:'Noto Serif JP',serif;font-size:1.05rem;font-weight:700}
.mobile-logo svg{width:28px;height:28px}
.mobile-header-right{display:flex;gap:6px;align-items:center}
.mobile-lang{display:flex;gap:2px;align-items:center;background:rgba(255,255,255,.08);border-radius:6px;padding:2px}
.mobile-lang-btn{font-size:.68rem;font-weight:600;color:rgba(255,255,255,.45);text-decoration:none;padding:3px 7px;border-radius:4px;transition:all var(--tr);letter-spacing:.04em}
.mobile-lang-btn.active{background:rgba(255,255,255,.18);color:#fff}
.mobile-lang-btn:hover{color:#fff}

/* ══ Category Select（モバイル専用・デスクトップでは非表示） ════════ */
.cat-select-wrap{display:none;padding:10px 12px;background:var(--bg-card);border-bottom:1px solid var(--border)}
.cat-select{width:100%;padding:9px 14px;border:1px solid var(--border-card);border-radius:8px;background:var(--input-bg);color:var(--text);font-family:inherit;font-size:.9rem;outline:none;cursor:pointer;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237A6A55' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px;transition:border-color var(--tr)}
.cat-select:focus{border-color:var(--accent)}

/* ══ Mobile Bottom Nav ══════════════════════════════════════════════════ */
.mobile-nav{display:none;position:fixed;bottom:0;left:0;right:0;z-index:200;height:var(--mob-nav-h);background:var(--bg-sidebar);border-top:1px solid rgba(255,255,255,.07)}
.mobile-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:rgba(255,255,255,.4);text-decoration:none;font-size:.6rem;font-weight:500;padding:8px 4px;transition:color var(--tr)}
.mobile-nav-item svg{width:20px;height:20px}
.mobile-nav-item.active{color:var(--accent-warm)}
.mobile-nav-item:hover{color:#fff}
.mobile-nav-spacer{display:none;height:var(--mob-nav-h)}

/* ══ Layout ══════════════════════════════════════════════════════════════ */
.main-wrap{margin-left:var(--sidebar-w);flex:1;display:flex;min-height:100vh}
.layout{display:flex;width:100%;max-width:1200px;margin:0 auto;padding:28px 24px;gap:28px}
.filter-col{width:210px;flex-shrink:0}
.content-col{flex:1;min-width:0}
.page-header{margin-bottom:20px}
.page-header h1{font-family:'Noto Serif JP',serif;font-size:1.5rem;font-weight:700;margin-bottom:4px}

/* ══ Filter Panel ════════════════════════════════════════════════════════ */
.filter-panel{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);position:sticky;top:24px}
.filter-panel h3{font-size:.7rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:12px}
.tag-list{display:flex;flex-wrap:wrap;gap:5px}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;background:var(--tag-bg);color:var(--text-muted);font-size:.8rem;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:all var(--tr);white-space:nowrap}
.tag:hover{background:var(--border);color:var(--text)}
.tag.active{background:var(--accent-warm);color:#fff;border-color:var(--accent-warm)}

/* ══ Search ══════════════════════════════════════════════════════════════ */
.search-wrap{position:relative;margin-bottom:14px}
.search-wrap input{width:100%;padding:9px 16px 9px 38px;border:1px solid var(--border-card);border-radius:24px;background:var(--bg-card);color:var(--text);font-size:.88rem;font-family:inherit;outline:none;transition:border-color var(--tr),box-shadow var(--tr)}
.search-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,107,71,.1)}
.search-wrap svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--text-muted);pointer-events:none}
.search-wrap input::placeholder{color:var(--text-muted);font-size:.85rem}

/* ══ Tab Bar ══════════════════════════════════════════════════════════════ */
.tab-bar{display:flex;gap:0;margin-bottom:14px;background:var(--bg-card);border:1px solid var(--border-card);border-radius:24px;padding:3px;width:fit-content}
.tab-link{padding:6px 18px;font-size:.85rem;font-weight:500;color:var(--text-muted);text-decoration:none;border-radius:20px;display:flex;align-items:center;gap:5px;transition:all var(--tr)}
.tab-link:hover{color:var(--text)}
.tab-link.active{background:var(--accent);color:#fff}
.tab-count{background:rgba(255,255,255,.25);color:inherit;font-size:.65rem;font-weight:700;padding:1px 5px;border-radius:8px;min-width:16px;text-align:center}
.tab-link:not(.active) .tab-count{background:var(--accent);color:#fff}

/* ══ Article Card ════════════════════════════════════════════════════════ */
.article-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius);padding:15px 18px;margin-bottom:7px;box-shadow:var(--shadow);transition:box-shadow var(--tr),transform var(--tr)}
.article-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px)}
.article-meta{font-size:.72rem;color:var(--text-muted);margin-bottom:4px}
.article-card h2{font-family:'Noto Serif JP',serif;font-size:.98rem;font-weight:500;line-height:1.45;margin-bottom:4px}
.article-card h2 a{color:var(--text);text-decoration:none}
.article-card h2 a:hover{color:var(--accent)}
.article-source{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.article-source a{color:var(--accent);text-decoration:none}
.article-source a:hover{text-decoration:underline}
.article-excerpt{font-size:.82rem;color:var(--text-muted);margin-top:5px;line-height:1.6}

/* ══ Blog Card ═══════════════════════════════════════════════════════════ */
.blog-card{background:var(--bg-card);border:1px solid var(--border-card);border-left:3px solid var(--accent);border-radius:var(--radius);padding:14px 16px;margin-bottom:7px;box-shadow:var(--shadow);display:flex;align-items:flex-start;justify-content:space-between;gap:12px;transition:box-shadow var(--tr),transform var(--tr)}
.blog-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px)}
.blog-card-body{flex:1;min-width:0}
.blog-cat{font-size:.67rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:2px}
.blog-card h2{font-family:'Noto Serif JP',serif;font-size:.98rem;font-weight:500;margin-bottom:2px}
.blog-card h2 a{color:var(--text);text-decoration:none}
.blog-card h2 a:hover{color:var(--accent)}
.blog-desc{font-size:.8rem;color:var(--text-muted)}
.blog-card-actions{display:flex;gap:5px;flex-shrink:0;align-items:flex-start}
.icon-btn{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:7px;background:var(--tag-bg);color:var(--text-muted);text-decoration:none;border:none;cursor:pointer;transition:all var(--tr)}
.icon-btn:hover{background:var(--accent);color:#fff}
.icon-btn svg{width:14px;height:14px}
.explore-link{font-size:.76rem;color:var(--accent);text-decoration:none;white-space:nowrap;display:flex;align-items:center;gap:3px}
.explore-link:hover{text-decoration:underline}

/* ══ Follow Button ═══════════════════════════════════════════════════════ */
.btn-follow{display:inline-flex;align-items:center;gap:3px;padding:4px 12px;border-radius:20px;font-size:.78rem;font-weight:500;font-family:inherit;cursor:pointer;text-decoration:none;white-space:nowrap;border:1.5px solid var(--accent);background:transparent;color:var(--accent);transition:all var(--tr)}
.btn-follow:hover{background:var(--accent);color:#fff}
.btn-follow.active{background:var(--accent);color:#fff}
.btn-follow.active:hover{background:transparent;color:var(--danger);border-color:var(--danger)}
.btn-follow:disabled{opacity:.5;cursor:wait}

/* ══ Editor Note ═════════════════════════════════════════════════════════ */
.editor-note{background:#FEF6E4;border:1px solid #EDD89A;border-radius:var(--radius);padding:14px;margin-top:14px;font-size:.81rem;color:#6B5020}
[data-theme="dark"] .editor-note{background:#2A2210;border-color:#4A3A18;color:#C4A060}
.editor-note blockquote{font-style:italic;line-height:1.6}

/* ══ Forms ═══════════════════════════════════════════════════════════════ */
.form-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);max-width:600px}
.form-card h1{font-family:'Noto Serif JP',serif;font-size:1.4rem;margin-bottom:5px}
.form-card .lead{color:var(--text-muted);font-size:.86rem;margin-bottom:22px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.76rem;font-weight:500;color:var(--text-muted);margin-bottom:5px;letter-spacing:.04em}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:9px 12px;border:1px solid var(--border-card);border-radius:8px;background:var(--input-bg);color:var(--text);font-family:inherit;font-size:.88rem;outline:none;transition:border-color var(--tr),box-shadow var(--tr)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,107,71,.1)}
.form-group textarea{resize:vertical;min-height:72px}
.btn-submit{padding:10px 24px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:.88rem;font-weight:500;cursor:pointer;font-family:inherit;transition:background var(--tr),transform var(--tr)}
.btn-submit:hover{background:#2d5335;transform:translateY(-1px)}
.alert{padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:.84rem}
.alert-success{background:#E8F5EC;color:#2E6B3A;border:1px solid #B8DBBE}
.alert-error  {background:#FEE8E8;color:#8B2020;border:1px solid #F5C0C0}
.alert-info   {background:#E8F0FE;color:#1A4A8A;border:1px solid #B8CEF5}
[data-theme="dark"] .alert-success{background:#1A2E1D;color:#7DC98A;border-color:#2E5535}
[data-theme="dark"] .alert-error  {background:#2E1A1A;color:#D47A7A;border-color:#5A2828}
[data-theme="dark"] .alert-info   {background:#1A2040;color:#7A9ADA;border-color:#2A3A6A}

/* ══ Pagination ══════════════════════════════════════════════════════════ */
.pagination{display:flex;gap:5px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.pagination a,.pagination span{padding:6px 12px;border-radius:7px;font-size:.82rem;text-decoration:none;transition:all var(--tr);background:var(--bg-card);border:1px solid var(--border-card);color:var(--text-muted)}
.pagination a:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.pagination .current{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:500}

/* ══ About ═══════════════════════════════════════════════════════════════ */
.about-wrap{max-width:620px}
.about-wrap h1{font-family:'Noto Serif JP',serif;font-size:1.7rem;margin-bottom:12px}
.about-wrap p{color:var(--text-muted);line-height:1.85;margin-bottom:12px}

/* ══ Responsive（768px以下） ═══════════════════════════════════════════
   !! このブロックは必ずファイルの最後に置くこと !!
   !! 上の基本スタイルを上書きするため、後に来る必要がある !!
═══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* モバイル専用UI表示 */
  .sidebar           { display: none; }
  .mobile-header     { display: flex; }
  .mobile-nav        { display: flex; }
  .mobile-nav-spacer { display: block; }
  .cat-select-wrap   { display: block; }   /* ← ここで上書きしてdisplay:block */

  /* レイアウト調整 */
  .main-wrap  { margin-left: 0; padding-top: var(--mob-top-h); flex-direction: column; }
  .layout     { padding: 14px 12px; gap: 0; flex-direction: column; }
  .filter-col { display: none; }

  /* タブバー */
  .tab-bar  { width: auto; align-self: flex-start; }
  .tab-link { padding: 6px 20px; }

  /* カード */
  .page-header h1 { font-size: 1.25rem; }
  .article-card   { padding: 13px 14px; }
  .blog-card      { flex-direction: column; gap: 10px; padding: 13px 14px; }
  .blog-card-actions { flex-direction: row; flex-wrap: wrap; }
  .form-card      { padding: 18px 14px; max-width: 100%; }
  .form-card h1   { font-size: 1.2rem; }
}

@media (max-width: 420px) {
  .article-excerpt { display: none; }
}