/* 記事ページ共通スタイル（akiya-*.html等11ページで共有）
   個別ページの<style>にはページ固有のクラスのみを残し、共通部分はここに集約する。
   変更時はこのファイル1つを直せば全記事に反映される。 */
:root{
  --primary:#E8622A;--primary-light:#FFF4EF;
  --navy:#1E3057;--navy-light:#2B4580;
  --gray-100:#F0F2F5;--gray-200:#E2E8F0;--gray-400:#94A3B8;--gray-600:#475569;--gray-800:#1E293B;
  --green:#16A34A;--amber:#D97706;--amber-light:#FEF3C7;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Hiragino Kaku Gothic ProN','Hiragino Sans',sans-serif;background:#F0F2F5;color:#1E293B;line-height:1.8}
header{background:#1E3057;padding:14px 20px;text-align:center}
.logo{color:#fff;font-size:1.1rem;font-weight:700;text-decoration:none;display:inline-block}
.logo span{color:#FFA366}
.wrap{max-width:680px;margin:0 auto;padding:20px 14px 60px}
.breadcrumb{font-size:.75rem;color:var(--gray-400);margin-bottom:16px}
.breadcrumb a{color:var(--gray-400);text-decoration:none}
.breadcrumb span{margin:0 6px}
.article-head{background:#fff;border-radius:12px;padding:24px;margin-bottom:16px;box-shadow:0 2px 12px rgba(0,0,0,.07)}
.article-category{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:20px;margin-bottom:10px}
h1{font-size:clamp(1.1rem,3.5vw,1.45rem);font-weight:800;color:var(--navy);line-height:1.45;margin-bottom:14px}
.article-body{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.07);margin-bottom:16px}
h2{font-size:1.05rem;font-weight:700;color:#fff;background:var(--navy);padding:10px 16px;border-radius:6px;margin:28px 0 14px}
h2:first-child{margin-top:0}
h3{font-size:.95rem;font-weight:700;color:var(--navy);border-left:4px solid var(--primary);padding-left:10px;margin:20px 0 10px}
p{font-size:.9rem;color:var(--gray-600);margin-bottom:12px;line-height:1.85}
.note-box{background:var(--amber-light);border:1px solid #FDE68A;border-radius:8px;padding:14px 16px;margin:16px 0;font-size:.85rem;color:#92400E;line-height:1.75}
.tbl-wrap{overflow-x:auto;margin:14px 0}
table{width:100%;border-collapse:collapse;font-size:.82rem}
th{background:var(--navy);color:#fff;padding:9px 10px;text-align:left;font-weight:600}
td{padding:9px 10px;border-bottom:1px solid var(--gray-200);color:var(--gray-600);vertical-align:top}
tr:last-child td{border-bottom:none}
tr:nth-child(even) td{background:var(--gray-100)}
td strong{color:var(--gray-800)}
.check-list{list-style:none;display:flex;flex-direction:column;gap:8px;margin:12px 0}
.check-list li{display:flex;gap:9px;font-size:.88rem;color:var(--gray-600);line-height:1.7}
.check-list li::before{content:"✓";color:var(--green);font-weight:700;flex-shrink:0}
.cta-box{background:linear-gradient(135deg,var(--navy),var(--navy-light));border-radius:12px;padding:24px;text-align:center;margin:24px 0 0}
.cta-box h3{color:#fff;font-size:1rem;font-weight:700;margin-bottom:6px;border:none;padding:0}
.cta-box p{color:rgba(255,255,255,.8);font-size:.85rem;margin-bottom:16px}
.cta-btn{display:inline-block;background:var(--primary);color:#fff;font-size:.95rem;font-weight:700;padding:12px 28px;border-radius:8px;text-decoration:none;transition:opacity .15s}
.cta-btn:hover{opacity:.88}
.cta-sub{font-size:.75rem;color:rgba(255,255,255,.6);margin-top:8px;margin-bottom:0}
.author-box{background:#fff;border-radius:12px;padding:16px 20px;box-shadow:0 2px 12px rgba(0,0,0,.07);display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}
.author-icon{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0;margin-top:2px}
.author-name{font-size:.88rem;font-weight:700;color:var(--navy);margin-bottom:3px}
.author-bio{font-size:.78rem;color:var(--gray-400);line-height:1.65}
.related{background:#fff;border-radius:12px;padding:18px 20px;box-shadow:0 2px 12px rgba(0,0,0,.07)}
.related-title{font-size:.78rem;font-weight:700;color:var(--gray-400);letter-spacing:.06em;margin-bottom:10px}
.related-links{display:flex;flex-direction:column;gap:8px}
.related-link{font-size:.88rem;color:var(--primary);text-decoration:none;display:flex;align-items:center;gap:6px}
.related-link::before{content:"›";font-weight:700}
footer{background:#1E3057;color:rgba(255,255,255,.6);text-align:center;padding:20px;font-size:.78rem}
footer a{color:rgba(255,255,255,.6);text-decoration:none;margin:0 8px}
.footer-disclosure{font-size:.7rem;color:rgba(255,255,255,.45);margin-top:8px;line-height:1.6}

/* TL;DR */
.tldr{background:var(--primary-light);border:2px solid var(--primary);border-radius:12px;padding:18px 20px;margin-bottom:16px;box-shadow:0 3px 14px rgba(232,98,42,.18)}
.tldr-label{display:flex;align-items:center;gap:6px;font-size:1.2rem;font-weight:800;color:var(--primary);letter-spacing:.02em;margin-bottom:12px}
.tldr-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.tldr-list li{font-size:1rem;font-weight:700;color:var(--gray-800);line-height:1.6;padding-left:28px;position:relative}
.tldr-list li::before{content:"✓";color:#fff;background:var(--primary);width:19px;height:19px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.68rem;font-weight:700;position:absolute;left:0;top:1px}

/* 広告・PR表記（ステマ規制対応） */
.pr-tag{display:inline-block;background:rgba(255,255,255,.18);color:#fff;font-size:.64rem;font-weight:700;letter-spacing:.06em;padding:2px 8px;border-radius:3px;margin-bottom:8px;border:1px solid rgba(255,255,255,.35)}
.pr-chip{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:.6rem;font-weight:800;letter-spacing:.05em;padding:1px 6px;border-radius:3px;margin-right:5px;vertical-align:middle;border:1px solid #F5C4A8}
/* 提携未確定（準備中）のリンク先 */
.soon-tag{display:inline-block;background:rgba(255,255,255,.14);color:rgba(255,255,255,.85);font-size:.64rem;font-weight:700;letter-spacing:.06em;padding:2px 8px;border-radius:3px;margin-bottom:8px;border:1px solid rgba(255,255,255,.3)}
.soon-chip{display:inline-block;background:var(--gray-100);color:var(--gray-400);font-size:.6rem;font-weight:800;letter-spacing:.05em;padding:1px 6px;border-radius:3px;margin-right:5px;vertical-align:middle;border:1px solid var(--gray-200)}
.cta-disabled{opacity:.55;pointer-events:none;cursor:not-allowed}