/* REACH - AIO/GEO最適化WordPressテーマ
   Mobile First Design System */

/* === Reset & Base === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:100%;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;font-size:16px;line-height:1.8;color:var(--mediaio-text);background:var(--mediaio-bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--mediaio-link);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--mediaio-link-hover)}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.4;font-weight:700}

/* === Container === */
.mediaio-container{max-width:1100px;margin:0 auto;padding:0 16px}

/* === Header === */
.mediaio-header{background:var(--mediaio-header-bg);border-bottom:1px solid #e5e5e5;position:sticky;top:0;z-index:100}
.mediaio-header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1100px;margin:0 auto;padding:12px 16px;min-height:56px}
.mediaio-logo img{max-height:40px;width:auto}
.mediaio-logo-text{font-size:18px;font-weight:700;color:var(--mediaio-main);text-decoration:none}
.mediaio-menu-toggle{display:flex;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.mediaio-menu-toggle span{display:block;width:22px;height:2px;background:var(--mediaio-text);transition:transform .3s ease}
.mediaio-menu-toggle[aria-expanded="true"] span:nth-child(1){transform:rotate(45deg) translate(4px,5px)}
.mediaio-menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.mediaio-menu-toggle[aria-expanded="true"] span:nth-child(3){transform:rotate(-45deg) translate(4px,-5px)}
.mediaio-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--mediaio-header-bg);border-bottom:1px solid #e5e5e5;padding:16px}
.mediaio-nav.is-open{display:block}
.mediaio-nav-list{display:flex;flex-direction:column;gap:0}
.mediaio-nav-list li a{display:block;padding:12px 16px;color:var(--mediaio-text);font-size:15px;border-bottom:1px solid #f0f0f0}
.mediaio-nav-list li a:hover{color:var(--mediaio-accent)}

/* === Hero === */
.mediaio-hero{position:relative;overflow:hidden;min-height:300px;display:flex;align-items:center;justify-content:center}
.mediaio-hero-bg{position:absolute;top:0;left:0;width:100%;height:100%}
.mediaio-hero-bg img{width:100%;height:100%;object-fit:cover}
.mediaio-hero-content{position:relative;z-index:2;text-align:center;padding:40px 20px;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.4)}
.mediaio-hero::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.35);z-index:1}
.mediaio-hero-catch{font-size:24px;margin-bottom:8px}
.mediaio-hero-sub{font-size:15px;margin-bottom:20px;opacity:.9}
.mediaio-hero-btn{display:inline-block;padding:14px 32px;font-size:15px;font-weight:700}

/* === Site About Section === */
.mediaio-site-about{background:var(--mediaio-sub-bg);padding:32px 0}
.mediaio-site-about-text{max-width:720px;margin:0 auto;font-size:15px;color:var(--mediaio-sub-text);line-height:2}

/* === Section Titles === */
.mediaio-section-title{font-size:20px;text-align:center;margin-bottom:24px;padding-bottom:12px;border-bottom:2px solid var(--mediaio-main)}

/* === Category Grid === */
.mediaio-cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.mediaio-cat-card{display:flex;flex-direction:column;align-items:center;padding:20px 12px;background:#fff;border:1px solid #e5e5e5;border-radius:8px;text-align:center;transition:transform .2s ease,box-shadow .2s ease}
.mediaio-cat-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.08)}
.mediaio-cat-name{font-size:15px;font-weight:700;color:var(--mediaio-main);margin-bottom:4px}
.mediaio-cat-desc{font-size:13px;color:var(--mediaio-sub-text);margin-bottom:4px}
.mediaio-cat-count{font-size:12px;color:var(--mediaio-sub-text)}

/* === Card Grid === */
.mediaio-card-grid{display:grid;grid-template-columns:1fr;gap:20px}
.mediaio-card{background:#fff;border:1px solid #e5e5e5;border-radius:8px;overflow:hidden;opacity:1}
.mediaio-card-link{display:block;color:inherit;text-decoration:none}
.mediaio-card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--mediaio-sub-bg)}
.mediaio-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.mediaio-card:hover .mediaio-card-thumb img{transform:scale(1.03)}
.mediaio-card-noimg{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--mediaio-sub-text);font-size:13px}
.mediaio-card-body{padding:16px}
.mediaio-card-cat{display:inline-block;font-size:11px;color:var(--mediaio-accent);font-weight:700;margin-bottom:6px}
.mediaio-card-title{font-size:15px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mediaio-card-date{font-size:12px;color:var(--mediaio-sub-text)}

/* === Sections (top page) === */
.mediaio-recent,.mediaio-ranking,.mediaio-categories{padding:40px 0}
.mediaio-about-section{padding:40px 0;background:var(--mediaio-sub-bg)}
.mediaio-about-card{display:flex;align-items:flex-start;gap:20px;max-width:720px;margin:0 auto;background:#fff;padding:24px;border-radius:8px}
.mediaio-about-icon{width:80px;height:80px;border-radius:50%;object-fit:cover;flex-shrink:0}
.mediaio-about-org{font-size:13px;color:var(--mediaio-sub-text);margin-bottom:2px}
.mediaio-about-name{font-size:16px;font-weight:700;margin-bottom:8px}
.mediaio-about-link{font-size:14px;color:var(--mediaio-link)}

/* === Breadcrumb === */
.mediaio-breadcrumb{padding:12px 16px;font-size:12px;color:var(--mediaio-sub-text);max-width:1100px;margin:0 auto}
.mediaio-breadcrumb ol{display:flex;flex-wrap:wrap;gap:4px}
.mediaio-breadcrumb li::after{content:">";margin-left:4px}
.mediaio-breadcrumb li:last-child::after{content:""}
.mediaio-breadcrumb a{color:var(--mediaio-link)}

/* === Article === */
.mediaio-article-container{max-width:1100px;margin:0 auto;padding:0 16px}
.mediaio-article-main{max-width:720px}
.mediaio-article-header{margin-bottom:32px}
.mediaio-article-cat{display:inline-block;font-size:12px;font-weight:700;color:#fff;background:var(--mediaio-accent);padding:3px 10px;border-radius:3px;margin-bottom:12px}
.mediaio-article-title{font-size:22px;line-height:1.5;margin-bottom:12px}
.mediaio-article-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--mediaio-sub-text);margin-bottom:16px}
.mediaio-article-thumb{margin-bottom:24px;border-radius:8px;overflow:hidden}
.mediaio-article-thumb img{width:100%}

/* === Article Body === */
.mediaio-article-body{line-height:1.9;font-size:16px}
.mediaio-article-body h2{font-size:20px;margin:48px 0 20px;padding:12px 16px;background:var(--mediaio-sub-bg);border-left:4px solid var(--mediaio-main);border-radius:0 4px 4px 0}
.mediaio-article-body h3{font-size:18px;margin:36px 0 16px;padding-bottom:8px;border-bottom:1px solid #e5e5e5}
.mediaio-article-body p{margin-bottom:20px}
.mediaio-article-body ul,.mediaio-article-body ol{margin:16px 0;padding-left:24px}
.mediaio-article-body ul{list-style:disc}
.mediaio-article-body ol{list-style:decimal}
.mediaio-article-body li{margin-bottom:6px}
.mediaio-article-body blockquote{border-left:3px solid var(--mediaio-sub-text);padding:16px 20px;margin:20px 0;background:var(--mediaio-sub-bg);font-size:15px;color:var(--mediaio-sub-text)}
.mediaio-article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.mediaio-article-body th,.mediaio-article-body td{border:1px solid #e5e5e5;padding:10px 12px;text-align:left}
.mediaio-article-body th{background:var(--mediaio-sub-bg);font-weight:700}
.mediaio-article-body img{border-radius:4px;margin:16px 0}

/* === TOC === */
.mediaio-toc{background:var(--mediaio-sub-bg);border:1px solid #e5e5e5;border-radius:8px;padding:16px 20px;margin:24px 0}
.mediaio-toc-header{display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.mediaio-toc-title{font-size:16px;font-weight:700}
.mediaio-toc-toggle::after{content:"▼";font-size:11px;color:var(--mediaio-sub-text);transition:transform .3s ease}
.mediaio-toc.is-open .mediaio-toc-toggle::after{transform:rotate(180deg)}
.mediaio-toc-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.mediaio-toc.is-open .mediaio-toc-body{max-height:2000px}
.mediaio-toc ol{padding:12px 0 0 20px;list-style:decimal}
.mediaio-toc li{margin-bottom:6px;font-size:14px}
.mediaio-toc li a{color:var(--mediaio-text)}
.mediaio-toc li a:hover{color:var(--mediaio-link)}
.mediaio-toc-sub{padding-left:16px;font-size:13px}

/* === PR Notice === */
.mediaio-pr-notice{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#fafafa;border:1px solid #e5e5e5;border-radius:4px;margin-bottom:16px;font-size:12px}
.mediaio-pr-label{background:var(--mediaio-sub-text);color:#fff;padding:1px 6px;border-radius:2px;font-size:10px;font-weight:700;flex-shrink:0}
.mediaio-pr-text{color:var(--mediaio-sub-text)}

/* === CTA === */
.mediaio-cta-wrap{text-align:center;margin:32px 0}
.mediaio-cta-micro{display:block;font-size:13px;color:var(--mediaio-accent);font-weight:700;margin-bottom:6px}
.mediaio-cta-btn{display:inline-block;padding:16px 40px;font-size:16px;font-weight:700;border-radius:6px;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease;cursor:pointer}
.mediaio-cta-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.12)}
.mediaio-cta-a{background:var(--mediaio-cta);color:var(--mediaio-cta-text)}
.mediaio-cta-a:hover{background:var(--mediaio-cta-hover);color:var(--mediaio-cta-text)}
.mediaio-cta-b{background:transparent;color:var(--mediaio-cta);border:2px solid var(--mediaio-cta)}
.mediaio-cta-b:hover{background:var(--mediaio-cta);color:var(--mediaio-cta-text)}
.mediaio-cta-c{background:linear-gradient(135deg,var(--mediaio-cta),var(--mediaio-main));color:var(--mediaio-cta-text)}

/* === Author Box === */
.mediaio-author-box{display:flex;gap:16px;padding:24px;background:var(--mediaio-sub-bg);border-radius:8px;margin:32px 0}
.mediaio-author-icon{width:80px;height:80px;border-radius:50%;object-fit:cover;flex-shrink:0}
.mediaio-author-label{font-size:11px;color:var(--mediaio-sub-text);margin-bottom:4px}
.mediaio-author-title{font-size:12px;color:var(--mediaio-sub-text);margin-right:4px}
.mediaio-author-name{font-size:16px;font-weight:700;margin-bottom:6px}
.mediaio-author-name a{color:var(--mediaio-text)}
.mediaio-author-bio{font-size:13px;color:var(--mediaio-sub-text);line-height:1.7}

/* === Update History === */
.mediaio-update-history{margin:32px 0;padding:20px;background:var(--mediaio-sub-bg);border-radius:8px}
.mediaio-update-history-title{font-size:15px;margin-bottom:12px}
.mediaio-update-history ul{padding:0}
.mediaio-update-history li{display:flex;gap:12px;font-size:13px;padding:6px 0;border-bottom:1px solid #e5e5e5}
.mediaio-update-history li:last-child{border-bottom:none}
.mediaio-update-history time{color:var(--mediaio-sub-text);flex-shrink:0;width:90px}

/* === Disclaimer === */
.mediaio-disclaimer{margin:24px 0;padding:16px;background:#fafafa;border:1px solid #e5e5e5;border-radius:4px;font-size:12px;color:var(--mediaio-sub-text);line-height:1.7}

/* === Related Posts === */
.mediaio-related{margin:48px 0 0}
.mediaio-related-title{font-size:18px;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--mediaio-main)}

/* === Archive === */
.mediaio-archive-container{display:block}
.mediaio-archive-header{margin-bottom:24px}
.mediaio-archive-title{font-size:22px;margin-bottom:8px}
.mediaio-archive-desc{font-size:14px;color:var(--mediaio-sub-text)}

/* === Pagination === */
.mediaio-pagination{margin:40px 0;text-align:center}
.mediaio-pagination .nav-links{display:flex;justify-content:center;gap:4px}
.mediaio-pagination a,.mediaio-pagination span{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:4px;font-size:14px;border:1px solid #e5e5e5}
.mediaio-pagination .current{background:var(--mediaio-main);color:#fff;border-color:var(--mediaio-main)}
.mediaio-pagination a:hover{background:var(--mediaio-sub-bg)}

/* === Page === */
.mediaio-page{padding:32px 0}
.mediaio-page-title{font-size:24px;margin-bottom:24px;padding-bottom:12px;border-bottom:2px solid var(--mediaio-main)}

/* === 404 === */
.mediaio-404{padding:80px 16px;text-align:center}
.mediaio-404 h1{font-size:24px;margin-bottom:16px}
.mediaio-404 p{margin-bottom:24px;color:var(--mediaio-sub-text)}

/* === Search Form === */
.mediaio-search-form{display:flex;gap:4px}
.mediaio-search-input{flex:1;padding:8px 12px;border:1px solid #e5e5e5;border-radius:4px;font-size:14px}
.mediaio-search-btn{padding:8px 16px;background:var(--mediaio-main);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:14px}

/* === Sidebar === */
.mediaio-sidebar{margin-top:40px}
.mediaio-widget{margin-bottom:24px}
.mediaio-widget-title{font-size:16px;font-weight:700;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--mediaio-main)}

/* === SP Fixed CTA === */
.mediaio-sp-fixed-cta{position:fixed;bottom:0;left:0;right:0;z-index:99;transform:translateY(100%);transition:transform .3s ease;padding:8px 16px;background:rgba(255,255,255,.95);border-top:1px solid #e5e5e5;backdrop-filter:blur(8px)}
.mediaio-sp-fixed-cta.is-visible{transform:translateY(0)}
.mediaio-sp-fixed-btn{display:block;text-align:center;padding:14px;background:var(--mediaio-cta);color:var(--mediaio-cta-text);font-weight:700;font-size:15px;border-radius:6px}

/* === LP === */
.mediaio-lp .mediaio-header,.mediaio-lp .mediaio-footer,.mediaio-lp .mediaio-breadcrumb{display:none}
.mediaio-lp-content{max-width:100%}

/* === Footer === */
.mediaio-footer{background:var(--mediaio-footer-bg);color:var(--mediaio-footer-text);padding:40px 0 20px}
.mediaio-footer-inner{max-width:1100px;margin:0 auto;padding:0 16px}
.mediaio-footer-list{display:flex;flex-wrap:wrap;gap:12px 20px;margin-bottom:16px}
.mediaio-footer-list a{color:var(--mediaio-footer-text);font-size:13px}
.mediaio-footer-list a:hover{color:#fff}
.mediaio-footer-legal{display:flex;gap:16px;margin-bottom:20px}
.mediaio-footer-legal a{color:var(--mediaio-footer-text);font-size:12px}
.mediaio-footer-copy{font-size:12px;opacity:.6;text-align:center}

/* === Fade In Animation === */
.fade-in{opacity:0;transform:translateY(10px);transition:opacity .4s ease,transform .4s ease}
.fade-in.is-visible{opacity:1;transform:translateY(0)}

/* ============================
   Tablet: 768px+
   ============================ */
@media(min-width:768px){
    .mediaio-card-grid{grid-template-columns:repeat(2,1fr)}
    .mediaio-cat-grid{grid-template-columns:repeat(3,1fr)}
    .mediaio-hero-catch{font-size:32px}
    .mediaio-hero{min-height:400px}
    .mediaio-article-title{font-size:26px}
}

/* ============================
   PC: 1024px+
   ============================ */
@media(min-width:1024px){
    body{font-size:17px}
    .mediaio-header-inner{padding:16px 24px}
    .mediaio-menu-toggle{display:none}
    .mediaio-nav{display:block;position:static;border:none;padding:0}
    .mediaio-nav-list{flex-direction:row;gap:0}
    .mediaio-nav-list li a{padding:8px 16px;border-bottom:none;font-size:14px}
    .mediaio-card-grid{grid-template-columns:repeat(3,1fr)}
    .mediaio-cat-grid{grid-template-columns:repeat(4,1fr)}
    .mediaio-hero-catch{font-size:36px}
    .mediaio-hero{min-height:500px}
    .mediaio-article-container{display:flex;gap:40px}
    .mediaio-article-main{flex:1;min-width:0}
    .mediaio-sidebar{width:300px;flex-shrink:0;margin-top:0}
    .mediaio-archive-container{display:flex;gap:40px}
    .mediaio-archive-main{flex:1;min-width:0}
    .mediaio-container{padding:0 24px}

    /* SP fixed CTA hidden on PC */
    .mediaio-sp-fixed-cta{display:none}
}