/*
Theme Name: AI Fukugyou
Theme URI: https://aifukugyou.jp
Author: aifukugyou
Description: AIツール・副業情報メディア向けオリジナルテーマ
Version: 1.0.0
Text Domain: aifukugyou
*/

/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root {
  --c-primary: #3b82f6;
  --c-primary-dark: #2563eb;
  --c-accent: #8b5cf6;
  --grad: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --bg: #ffffff;
  --bg-card: #f8fafc;
  --bg-sidebar: #f1f5f9;
  --text: #1e293b;
  --text-sub: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
  --shadow-lg: 0 4px 20px rgba(0,0,0,.08);
  --header-h: 64px;
  --content-w: 1120px;
  --transition: .25s ease;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-sidebar: #1e293b;
  --text: #e2e8f0;
  --text-sub: #94a3b8;
  --border: #334155;
  --shadow: 0 1px 3px rgba(0,0,0,.3);
  --shadow-lg: 0 4px 20px rgba(0,0,0,.3);
}

html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;background:var(--bg);color:var(--text);line-height:1.8;transition:background var(--transition),color var(--transition)}
a{color:var(--c-primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--c-primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

/* ===== Utility ===== */
.container{max-width:var(--content-w);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);height:var(--header-h)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.site-logo{font-size:1.25rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.site-logo a{-webkit-text-fill-color:inherit;color:inherit}

/* ===== Hero ===== */
.hero{width:100%;overflow:hidden;line-height:0}
.hero__img{width:100%;height:auto;max-height:520px;object-fit:cover;display:block}
@media(max-width:768px){
  .hero__img{max-height:280px}
}

/* Nav */
.global-nav ul{display:flex;gap:24px}
.global-nav a{color:var(--text);font-size:.875rem;font-weight:600;padding:4px 0;position:relative}
.global-nav a::after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--grad);transition:width var(--transition)}
.global-nav a:hover::after,.global-nav .current-menu-item a::after{width:100%}

/* Dark toggle */
.theme-toggle{background:none;border:1px solid var(--border);border-radius:8px;padding:6px 10px;cursor:pointer;color:var(--text);font-size:1rem;transition:border-color var(--transition)}
.theme-toggle:hover{border-color:var(--c-primary)}

/* Mobile menu */
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer}
.header-actions{display:flex;align-items:center;gap:12px}

/* ===== Main Layout ===== */
.site-main{display:grid;grid-template-columns:1fr 300px;gap:32px;padding:40px 0}

/* ===== Cards (Archive) ===== */
.post-list{display:grid;gap:24px}
.post-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:box-shadow var(--transition),transform var(--transition)}
.post-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.post-card__thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-sidebar)}
.post-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-card__thumb img{transform:scale(1.03)}
.post-card__body{padding:20px}
.post-card__cat{display:inline-block;font-size:.75rem;font-weight:700;color:#fff;background:var(--grad);padding:2px 10px;border-radius:20px;margin-bottom:8px}
.post-card__title{font-size:1.05rem;font-weight:700;line-height:1.5;margin-bottom:8px}
.post-card__title a{color:var(--text)}
.post-card__title a:hover{color:var(--c-primary)}
.post-card__meta{font-size:.8rem;color:var(--text-sub)}

/* ===== Single Article ===== */
.article{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.article__header{margin-bottom:32px}
.article__cat{display:inline-block;font-size:.75rem;font-weight:700;color:#fff;background:var(--grad);padding:3px 12px;border-radius:20px;margin-bottom:12px}
.article__title{font-size:1.6rem;font-weight:800;line-height:1.4;margin-bottom:12px}
.article__meta{font-size:.85rem;color:var(--text-sub);display:flex;gap:16px;flex-wrap:wrap}

/* Article body */
.article__body h2{font-size:1.35rem;font-weight:800;margin:2em 0 .8em;padding:14px 18px;border-left:4px solid transparent;border-image:var(--grad) 1;background:transparent;border-radius:0}
.article__body h3{font-size:1.15rem;font-weight:700;margin:1.5em 0 .6em;padding:10px 14px;background:var(--bg-sidebar);border-radius:6px}
.article__body p{margin-bottom:1.2em}
.article__body ul,.article__body ol{margin:0 0 1.2em 1.5em}
.article__body ul{list-style:disc}
.article__body ol{list-style:decimal}
.article__body li{margin-bottom:.4em}
.article__body strong{color:var(--c-primary);font-weight:700}
.article__body blockquote{border-left:4px solid var(--c-primary);padding:16px 20px;margin:1.5em 0;background:var(--bg-sidebar);border-radius:0 var(--radius) var(--radius) 0;color:var(--text-sub)}
.article__body pre{background:#1e293b;color:#e2e8f0;padding:20px;border-radius:var(--radius);overflow-x:auto;margin-bottom:1.2em;font-size:.875rem}
.article__body code{font-family:"SF Mono",Consolas,monospace;font-size:.9em}
.article__body img{border-radius:var(--radius);margin:1.5em 0}
.article__body .article-image{margin:2em 0;text-align:center}
.article__body .article-image img{width:100%;max-width:720px;margin:0 auto;border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.article__body a{text-decoration:underline;text-underline-offset:3px}

/* --- Article: Intro & Conclusion boxes --- */
.article__body .intro-box{background:linear-gradient(135deg,rgba(59,130,246,.06),rgba(139,92,246,.06));border:1px solid rgba(59,130,246,.15);border-radius:var(--radius);padding:24px 28px;margin-bottom:2em;font-size:1.02rem;line-height:1.9}
[data-theme="dark"] .article__body .intro-box{background:linear-gradient(135deg,rgba(59,130,246,.1),rgba(139,92,246,.1));border-color:rgba(59,130,246,.25)}
.article__body .conclusion-box{background:var(--bg-sidebar);border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;margin-top:2em}
.article__body .conclusion-box::before{content:"まとめ";display:block;font-size:.85rem;font-weight:800;color:var(--c-primary);margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid;border-image:var(--grad) 1}

/* --- Article: Point & Warning boxes --- */
.article__body .point-box{position:relative;background:linear-gradient(135deg,rgba(59,130,246,.05),rgba(59,130,246,.02));border:1px solid rgba(59,130,246,.2);border-radius:var(--radius);padding:20px 24px 20px 24px;margin:1.5em 0}
[data-theme="dark"] .article__body .point-box{background:rgba(59,130,246,.08);border-color:rgba(59,130,246,.3)}
.article__body .point-box__label{display:inline-block;background:var(--grad);color:#fff;font-size:.75rem;font-weight:700;padding:2px 12px;border-radius:4px;margin-bottom:10px}
.article__body .warning-box{position:relative;background:rgba(245,158,11,.05);border:1px solid rgba(245,158,11,.25);border-radius:var(--radius);padding:20px 24px;margin:1.5em 0}
[data-theme="dark"] .article__body .warning-box{background:rgba(245,158,11,.08);border-color:rgba(245,158,11,.3)}
.article__body .warning-box__label{display:inline-block;background:#f59e0b;color:#fff;font-size:.75rem;font-weight:700;padding:2px 12px;border-radius:4px;margin-bottom:10px}

/* --- Article: Styled lists --- */
.article__body .styled-list{list-style:none;margin:0 0 1.5em 0;padding:0}
.article__body ul.styled-list>li{position:relative;padding:8px 0 8px 28px}
.article__body ul.styled-list>li::before{content:"";position:absolute;left:2px;top:17px;width:8px;height:8px;border-radius:50%;background:var(--grad)}
.article__body ol.styled-list{counter-reset:ol-counter}
.article__body ol.styled-list>li{position:relative;padding:8px 0 8px 36px;counter-increment:ol-counter}
.article__body ol.styled-list>li::before{content:counter(ol-counter);position:absolute;left:0;top:7px;width:24px;height:24px;border-radius:50%;background:var(--grad);color:#fff;font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center}
.article__body .styled-list>li+li{border-top:1px solid var(--border)}

/* ===== Sidebar ===== */
.sidebar{display:flex;flex-direction:column;gap:24px}
.widget{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.widget__title{font-size:.95rem;font-weight:800;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid transparent;border-image:var(--grad) 1}
.widget ul{display:flex;flex-direction:column;gap:8px}
.widget li a{color:var(--text);font-size:.875rem;display:flex;align-items:center;gap:6px;padding:6px 0;border-bottom:1px solid var(--border);transition:color var(--transition)}
.widget li a:hover{color:var(--c-primary)}
.widget li a::before{content:"›";color:var(--c-primary);font-weight:700}
.widget li:last-child a{border-bottom:none}

/* Profile widget */
.widget-profile{text-align:center}
.widget-profile__icon{width:80px;height:80px;margin:0 auto 12px;border-radius:50%;background:var(--grad)}
.widget-profile__name{font-weight:700;margin-bottom:4px}
.widget-profile__desc{font-size:.8rem;color:var(--text-sub);line-height:1.6}

/* ===== Pagination ===== */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:32px}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--border);border-radius:8px;font-size:.875rem;font-weight:600;color:var(--text);transition:all var(--transition)}
.pagination a:hover{border-color:var(--c-primary);color:var(--c-primary)}
.pagination .current{background:var(--grad);color:#fff;border-color:transparent}

/* ===== Footer ===== */
.site-footer{background:var(--bg-card);border-top:1px solid var(--border);margin-top:60px;padding:40px 0 24px}
.footer-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;margin-bottom:32px}
.footer-brand .site-logo{font-size:1.1rem;margin-bottom:8px}
.footer-brand p{font-size:.8rem;color:var(--text-sub);max-width:280px}
.footer-nav ul{display:flex;gap:20px}
.footer-nav a{color:var(--text-sub);font-size:.8rem}
.footer-nav a:hover{color:var(--c-primary)}
.footer-copy{text-align:center;font-size:.75rem;color:var(--text-sub);padding-top:20px;border-top:1px solid var(--border)}

/* ===== Search ===== */
.search-form{display:flex;gap:8px}
.search-form input[type="search"]{flex:1;padding:8px 14px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:.875rem;outline:none;transition:border-color var(--transition)}
.search-form input[type="search"]:focus{border-color:var(--c-primary)}
.search-form button{padding:8px 16px;border:none;border-radius:8px;background:var(--grad);color:#fff;font-weight:600;font-size:.875rem;cursor:pointer}

/* ===== 404 ===== */
.page-404{text-align:center;padding:80px 20px}
.page-404 h1{font-size:4rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-404 p{margin:16px 0 32px;color:var(--text-sub)}
.btn-primary{display:inline-flex;padding:12px 28px;background:var(--grad);color:#fff;font-weight:700;border-radius:8px;font-size:.9rem;transition:opacity var(--transition)}
.btn-primary:hover{opacity:.85;color:#fff}

/* ===== Responsive ===== */
@media(max-width:768px){
  .site-main{grid-template-columns:1fr;gap:24px}
  .menu-toggle{display:block}
  .global-nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);padding:16px 20px;box-shadow:var(--shadow-lg)}
  .global-nav.is-open{display:block}
  .global-nav ul{flex-direction:column;gap:0}
  .global-nav li{border-bottom:1px solid var(--border)}
  .global-nav a{display:block;padding:12px 0}
  .article{padding:24px 16px}
  .article__title{font-size:1.3rem}
  .footer-inner{flex-direction:column;gap:24px}
}