/*
Theme Name: Shiokoto
Theme URI: https://shiokoto.com
Author: Shiokoto Team
Description: A clean 4-column masonry grid theme.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: shiokoto
*/

/* RESET / BASICS */
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Noto Sans JP',-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;line-height:1.6;color:#333;background:#fafafa}
a{color:#000;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

/* LAYOUT */
.container{width:90%;max-width:1200px;margin:0 auto}

/* HEADER LAYOUT */
header.site-header{display:flex;align-items:center;gap:24px}
nav.primary-menu{flex:1;display:flex;gap:32px;list-style:none;font-size:.95rem}
nav.primary-menu a{color:#555;font-weight:600}
nav.primary-menu .current-menu-item>a{color:#d33}
nav.primary-menu li+li:before{content:'/';color:#ccc;margin-right:32px}
nav.primary-menu li:last-child{margin-left:auto}

.header-links{margin-left:auto;display:flex;gap:24px;margin:0;list-style:none}
.header-links ul{display:flex;gap:24px;margin:0;list-style:none}
.header-links li{list-style:none}
.header-links a{color:#333;font-size:.95rem}
.header-links .arrow{margin-left:2px}

.about-link{margin-left:auto;color:#555;font-size:.9rem;display:flex;align-items:center;gap:4px}
.about-link .arrow{font-size:.9rem;color:#888}
.about-link:hover{color:#d33}

.header-search{margin-left:24px}

/* Drawer menu */
.drawer-toggle{display:none;background:none;border:none;font-size:1.5rem;color:#333;margin-left:auto}
.drawer-menu{display:none;position:fixed;top:0;left:0;width:70%;height:100%;background:#fff;box-shadow:2px 0 6px rgba(0,0,0,.1);padding:60px 20px;z-index:999}
.drawer-menu a{display:block;margin-bottom:16px;font-size:1.1rem;color:#333}
.drawer-menu.open{display:block}
.drawer-nav{list-style:none;padding:0;margin:0}
.drawer-nav li{list-style:none}
.drawer-menu ul{list-style:none;padding-left:0}
.drawer-menu .search-form{margin-bottom:24px}
.drawer-cats h4{margin:16px 0 8px;font-size:1rem;color:#666}
.drawer-cats ul{list-style:none;padding:0;margin:0}
.drawer-cats li{margin-bottom:12px}
.drawer-cats a{color:#333;font-size:1rem}
.drawer-cats .cat-list ul{margin-left:14px}
.drawer-cats .cat-list ul li{margin-bottom:10px;font-size:.95rem}
@media(max-width:768px){.about-link{display:none}.drawer-toggle{display:block}.primary-menu{display:none}}

/* HEADER SEARCH */
.search-form{display:flex;align-items:center;border:1px solid #ccc;border-radius:20px;padding:2px 10px;background:#f7f7f7}
.search-field{border:none;background:transparent;outline:none;font-size:.9rem;width:140px}
.search-submit{background:none;border:none;cursor:pointer;color:#888;display:flex;padding:2px}
.search-submit:hover{color:#d33}
.search-submit svg{display:block}

/* GRID LIST PAGE (home / archive) */
.posts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;margin-bottom:40px}
.post-card{background:#fff;border-radius:6px;box-shadow:0 2px 4px rgba(0,0,0,.05);overflow:hidden;display:flex;flex-direction:column;height:100%}
.post-card img{height:160px;object-fit:cover;width:100%}
.post-card-content{padding:15px;flex:1}
.post-card h2{color:#222 !important;font-size:1.1rem;font-weight:700;margin-bottom:.5rem}
.post-card h2 a,.post-card h2 a:visited{color:#222 !important;text-decoration:none}
.post-card h2 a:hover{color:#d33}
.post-card time{font-size:.8rem;color:#999}
.post-card-excerpt{margin-top:.5rem;font-size:.95rem;color:#555;line-height:1.6;letter-spacing:.02em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card-tags{margin-top:8px}
.post-card-tags a{display:inline-block;font-size:.75rem;color:#777;background:#f0f0f0;border-radius:3px;padding:2px 6px;margin:0 4px 4px 0}
.post-card-tags a:hover{background:#d33;color:#fff}

.pagination{display:flex;justify-content:center;gap:12px;margin:40px 0}
.pagination a{padding:6px 14px;border:1px solid #ddd;border-radius:4px;color:#555}
.pagination .current{background:#d33;color:#fff;border-color:#d33}

.cat-menu{display:none!important}
.cat-menu ul{display:flex;gap:1rem;list-style:none;overflow-x:auto;padding-bottom:6px;border-bottom:1px solid #eee}
.cat-menu li a{font-size:.9rem;color:#555;white-space:nowrap}
.cat-menu li.current a{color:#d33;font-weight:700}

.top-cat-nav{margin-top:30px;margin-bottom:40px;text-align:center}
.top-cat-nav ul{display:inline-flex;gap:48px;list-style:none;font-size:1rem;font-weight:600}
.top-cat-nav li+li:before{content:'/';color:#ccc;margin-right:48px}
.top-cat-nav a{color:#777}
.top-cat-nav li.current>a,.top-cat-nav a.current{color:#d33}
.top-cat-nav .sep{color:#aaa}
.top-cat-nav .sub{font-weight:400}
.top-cat-nav li{position:relative}
.child-menu{visibility:hidden;opacity:0;transition:.2s;position:absolute;left:0;top:120%;background:#fff;padding:10px 14px;border-radius:6px;box-shadow:0 2px 6px rgba(0,0,0,.08);white-space:nowrap}
.child-menu li{margin:6px 0}
.parent:hover>.child-menu{visibility:visible;opacity:1}

.page-header{margin:40px 0 24px}
.page-header h1{font-size:1.8rem;font-weight:700;color:#222}

/* SINGLE POST */
.single-layout{display:grid;grid-template-columns:3fr 1fr;gap:24px;margin:32px auto 0}
.post-content{background:#fff;padding:40px;border-radius:6px;box-shadow:0 2px 4px rgba(0,0,0,.05)}
.post-content h1{margin-bottom:1rem}
.post-content h1, .post-content h2, .post-content h3{scroll-margin-top:120px}
.post-content img{margin:20px 0}
.post-content pre{background:#272822;color:#f8f8f2;padding:20px;border-radius:6px;overflow-x:auto}

.logo img{height:60px}

.sidebar{position:sticky;top:100px;height:max-content}
.toc{background:#fff;border-left:4px solid #b57a42;padding:20px 20px 20px 24px}
.toc h3{margin-top:0;font-size:1rem;font-weight:700;color:#222}
.toc ul{list-style:none;padding-left:0}
.toc li{margin:.25rem 0}
.toc a{font-size:.9rem;color:#555}
.toc a.active{color:#b57a42;font-weight:700}
.toc-toggle{margin-right:4px;color:#b57a42;font-size:.9rem}
.toc ul ul{margin-left:14px;padding-left:0}
.toc ul ul li{list-style:none;padding:4px 0}
.toc ul ul li:not(:last-child){border-bottom:1px solid #eee}
.toc ul ul a{display:block;padding-left:8px}
.toc ul ul a.active{color:#b57a42}
.toc .toc-level-2 a{padding-left:12px !important}

.post-content p,.post-content li{line-height:1.85;letter-spacing:.02em;font-size:1.05rem}

.post-content h4{position:relative;padding-left:20px;margin:24px 0 12px;font-size:1rem;font-weight:700}
.post-content h4:before{content:'-';position:absolute;left:0;top:0;color:#b57a42;font-weight:700;font-size:1rem}
.post-content h4{scroll-margin-top:120px}
@media(max-width:768px){.post-content h4{scroll-margin-top:90px}}

/* Specific 2nd-level (H4) list in TOC */
.toc .toc-level-2>li{list-style:none;padding:4px 0;border-bottom:1px solid #eee}
.toc .toc-level-2>li:last-child{border-bottom:none}
.toc .toc-level-2 a{display:block;padding-left:8px;font-size:.85rem;color:#666}
.toc .toc-level-2 a.active{color:#b57a42;font-weight:700}

/* H4 (toc-level-4) styling */
.toc .toc-level-4{list-style:none;margin-left:0;padding:4px 0}
.toc .toc-level-4 a{display:block;padding-left:14px;font-size:.85rem;color:#666}
.toc .toc-level-4 a.active{color:#b57a42;font-weight:700}

.tags{background:#fff;padding:20px;border-radius:6px;box-shadow:0 2px 4px rgba(0,0,0,.05)}
.tags a{display:inline-block;margin:0 6px 6px 0;padding:4px 8px;background:#f0f0f0;border-radius:4px;font-size:.8rem}

.taxonomy-box{background:#fff;padding:20px;border-radius:6px;box-shadow:0 2px 4px rgba(0,0,0,.05);margin-top:24px}
.taxonomy-box h3{font-size:1rem;margin:1rem 0 .5rem}
.taxonomy-box ul{list-style:none;padding-left:0}
.taxonomy-box li{margin:.3rem 0}
.taxonomy-box li a{color:#555}
.taxonomy-box li a:hover{color:#d33}
.tags-cloud a{display:inline-block;margin:4px;font-size:.85rem;color:#555;background:#f0f0f0;padding:4px 8px;border-radius:4px}
.taxonomy-box ul{list-style:none;padding-left:0;margin-top:.5rem}
.taxonomy-box li{margin:.25rem 0}
.taxonomy-box a{color:#555;font-size:.9rem}

.related-posts{background:#fff;border:1px solid #eee;padding:16px;border-radius:6px}
.related-posts h3{margin-top:0;margin-bottom:12px}

.comment-area{margin-top:60px}
.comment-area textarea{width:100%;height:150px;padding:10px;border:1px solid #ccc;border-radius:4px}
.comment-area input[type="submit"]{background:#d33;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;margin-top:10px}
.comment-area input[type="submit"]:hover{background:#a11}

.post-nav{display:flex;justify-content:space-between;margin:40px 0;padding:20px 0;border-top:1px solid #eee;border-bottom:1px solid #eee}
.post-nav .nav-item{flex:1;display:flex;flex-direction:column;gap:4px;text-align:left}
.post-nav .next{text-align:right}
.post-nav .nav-label{font-size:.8rem;color:#888}
.post-nav a{font-weight:700;font-size:1.05rem;color:#0d1b2a;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.post-nav a:hover{color:#d33}
.post-nav .nav-icon{font-size:1.25rem;color:#6c757d}
@media(max-width:768px){.post-nav{flex-direction:column;gap:16px}.post-nav .next{text-align:left}}

.post-content h3{position:relative;padding-left:14px;margin:32px 0 16px;font-size:1.2rem}
.post-content h3:before{content:'';position:absolute;left:0;top:0;width:4px;height:100%;background:#b57a42;border-radius:2px}

/* Mobile in-article TOC */
.mobile-toc{border:1px solid #ddd;border-radius:6px;margin:16px 0}
.toc-header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;font-weight:700;cursor:pointer}
.toc-body{display:none;padding:0 14px 10px}
.mobile-toc.open .toc-body{display:block}
.mobile-toc ul{list-style:none;padding:0;margin:0}
.mobile-toc li{margin:6px 0}
.mobile-toc a{color:#555}
.mobile-toc ul ul{margin-left:16px;padding-left:8px}
.mobile-toc li.toc-level-4{margin-left:16px;padding-left:8px}

/* logo size adjust */
@media(max-width:768px){.logo img{height:36px}}

/* RESPONSIVE */
@media(max-width:768px){
 .single-layout{grid-template-columns:1fr}
 .sidebar{position:static;margin-top:40px}
 .post-content h1,.post-content h2,.post-content h3{scroll-margin-top:90px}
 .header-search{display:none}
 .tags,.taxonomy-box,.related-posts{display:none}
 .header-links{display:none}
}

@media(max-width:767px){.cat-menu{display:none!important}}

@media(max-width:767px){.top-cat-nav{display:none!important}}

/* Page template */
.page-layout{width:90%;max-width:1200px;margin:40px auto 60px}
.page-content{background:none;padding:20px}
.page-header h1{margin-bottom:1.2rem;font-size:2rem;font-weight:700;line-height:1.3}
.page-body p{margin-bottom:1.2rem;line-height:1.8;letter-spacing:.02em}

/* hide nav menu on standalone pages to avoid duplicate about link */
.page .primary-menu{visibility:hidden}

/* removed desktop bar */

.cat-count{color:#999;font-size:.85rem}

/* Full width page */
.page-full{width:100%;max-width:none;padding:40px 5%}
.page-content-full h1{margin-bottom:1.5rem}

/* Split two-column */
.split-layout{display:flex;gap:40px;margin:40px auto;max-width:1200px}
.split-main{flex:3}
.split-side{flex:1}
.split-side .widget{margin-bottom:24px}

/* Media list */
.list-layout .posts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}

.drawer-links{margin-top:16px}

.related-list{padding-left:1rem;margin:0}
.related-list li{margin-bottom:8px;list-style:disc}
.related-list a{color:#333}