/* YouTubeラジオ更新情報 - styles */
:root{
  --red:#d93025; --dark:#1a1a1a; --gray:#5f6368; --light:#f8f9fa;
  --border:#e0e0e0; --max:960px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,"Noto Sans JP",sans-serif;color:var(--dark);line-height:1.8;background:#fff;font-size:16px}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
/* header */
.site-header{background:var(--dark);color:#fff;padding:14px 0;position:sticky;top:0;z-index:100}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.brand{font-size:20px;font-weight:800;color:#fff}
.brand span{color:var(--red)}
.nav{display:flex;gap:18px;font-size:14px}
.nav a{color:#ddd}
.nav a:hover{color:#fff}
/* hero */
.hero{background:linear-gradient(135deg,#1a1a1a,#3a0d0d);color:#fff;padding:36px 0;text-align:center}
.hero h1{font-size:26px;margin-bottom:8px}
.hero p{color:#ccc;font-size:14px}
/* sections */
.section{padding:28px 0}
.section h2{font-size:20px;border-left:5px solid var(--red);padding-left:12px;margin-bottom:18px}
/* episode cards */
.ep-list{display:grid;gap:16px}
.ep-card{display:flex;gap:14px;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff}
.ep-card img.thumb{width:180px;min-width:180px;aspect-ratio:16/9;object-fit:cover;background:#000}
.ep-card .body{padding:12px 12px 12px 0;flex:1;min-width:0}
.ep-card .prog{display:inline-block;font-size:12px;background:var(--light);border:1px solid var(--border);border-radius:20px;padding:1px 10px;margin-bottom:6px;color:var(--gray)}
.ep-card h3{font-size:16px;line-height:1.5;margin-bottom:4px}
.ep-card h3 a{color:var(--dark)}
.ep-card .date{font-size:12px;color:var(--gray)}
/* program grid */
.prog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.prog-card{border:1px solid var(--border);border-radius:10px;padding:16px;text-align:center;background:#fff}
.prog-card .avatar{width:64px;height:64px;border-radius:50%;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;margin:0 auto 10px}
.prog-card h3{font-size:15px;margin-bottom:4px}
.prog-card h3 a{color:var(--dark)}
.prog-card p{font-size:12px;color:var(--gray)}
/* episode page */
.ep-hero{background:#000}
.ep-hero iframe{width:100%;aspect-ratio:16/9;display:block;border:0}
.ep-meta{font-size:13px;color:var(--gray);margin:10px 0}
.ep-desc{background:var(--light);border-radius:10px;padding:18px;margin:18px 0;font-size:15px}
.btn{display:inline-block;background:var(--red);color:#fff!important;padding:10px 22px;border-radius:24px;font-weight:700;margin:6px 8px 6px 0}
.btn.ghost{background:#fff;color:var(--red)!important;border:2px solid var(--red)}
.prev-eps{margin-top:28px}
.prev-eps li{margin-bottom:10px;list-style:none;border-bottom:1px dashed var(--border);padding-bottom:10px}
.prev-eps .date{font-size:12px;color:var(--gray)}
/* static pages */
.static{padding:28px 0;max-width:720px}
.static h1{font-size:24px;margin-bottom:16px}
.static h2{font-size:18px;margin:22px 0 8px}
.static p,.static li{margin-bottom:10px}
form.contact label{display:block;font-weight:700;margin:14px 0 4px}
form.contact input,form.contact textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:6px;font-size:15px}
form.contact button{background:var(--red);color:#fff;border:0;padding:12px 30px;border-radius:24px;font-size:16px;font-weight:700;cursor:pointer;margin-top:14px}
/* footer */
.site-footer{background:var(--dark);color:#aaa;padding:28px 0;margin-top:40px;font-size:13px}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center}
.site-footer a{color:#ccc}
.copy{text-align:center;margin-top:16px;color:#777}
/* 404 */
.e404{text-align:center;padding:60px 0}
.e404 h1{font-size:64px;color:var(--red)}
@media(max-width:640px){
  .ep-card img.thumb{width:120px;min-width:120px}
  .hero h1{font-size:21px}
  .brand{font-size:17px}
}