/* medicalstats.net テーマ 1.0.0。色は変数で持つ（HUDI 系と同じ構造） */
:root{--primary:#000080;--dark:#000060;--link:#0000C0;--ink:#000020;--bg1:#E0FFFF;--bg2:#F0FFFF;--line:#C0FFFF;--muted:#000080;--width:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;font-size:18px;line-height:1.7;overflow-wrap:anywhere}
a{color:var(--link);text-underline-offset:.2em}a:hover{color:var(--primary)}img{max-width:100%;height:auto}
h1,h2,h3,p{margin-top:0}h2{font-size:clamp(24px,2.3vw,30px);font-weight:700;line-height:1.4;margin-bottom:16px;color:var(--dark)}h3{font-weight:600;line-height:1.5}p{margin-bottom:10px}
.skip-link{position:absolute;left:-10000px}.skip-link:focus{left:1rem;top:1rem;z-index:99;background:#fff;padding:.5rem}
/* ヘッダー */
.site-header{max-width:var(--width);margin:auto;padding:16px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.header-intro{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--dark);font-weight:700;font-size:clamp(20px,2.2vw,26px);white-space:nowrap}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:var(--dark);color:#fff;font-size:15px;letter-spacing:.05em}
.site-purpose{margin:0;color:var(--muted);font-size:16px}
.header-links{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:22px;flex-wrap:wrap}.main-nav a{text-decoration:none;color:var(--ink);font-weight:600;white-space:nowrap}.main-nav a:hover,.main-nav .current-menu-item>a{color:var(--primary);text-decoration:underline}
.social-links{display:flex;align-items:center;gap:6px}.social-links a{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;color:var(--dark)}.social-links svg{width:24px;height:24px;fill:currentColor}.social-links a:hover{background:var(--bg1)}.social-links span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
/* hero */
.ms-hero{background:linear-gradient(135deg,var(--bg1) 0%,var(--bg2) 55%,#fff 100%);border-top:6px solid var(--dark)}
.ms-hero-inner{max-width:var(--width);margin:auto;padding:52px 32px 44px}
.ms-kicker{display:inline-block;background:var(--dark);color:#fff;font-weight:600;padding:4px 14px;border-radius:4px;font-size:15px;margin-bottom:16px}
.ms-hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.35;color:var(--dark);margin:0 0 14px;letter-spacing:.02em}
.ms-lead{max-width:760px;font-size:18px;margin-bottom:18px}
.ms-hero-links{display:flex;gap:14px;flex-wrap:wrap;margin:0}.ms-hero-links a{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px;text-decoration:none;font-weight:600;font-size:16px}.ms-hero-links a:hover{border-color:var(--primary)}
/* 2 列（PC）: 本文と X 投稿 */
.activity-layout{max-width:var(--width);margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:0 40px;padding:0 32px}
.side-column{order:2;padding-top:28px;min-width:0}.page-sections{order:1;min-width:0}
.section-wrap{padding:28px 0;border-bottom:1px solid var(--line)}.page-sections>.section-wrap:last-child{border-bottom:0}
.ms-cat h2{display:flex;align-items:baseline;gap:12px}.ms-cat h2 a{text-decoration:none;color:var(--dark)}.ms-cat h2 a:hover{color:var(--primary)}.ms-cat h2 small{font-size:15px;color:var(--muted);font-weight:500}
.ms-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.ms-card{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff;display:flex;flex-direction:column;gap:6px}
.ms-card-meta{font-size:14px;color:var(--muted);margin:0}.ms-card-meta a{color:var(--muted)}
.ms-card h3{font-size:18px;margin:0;line-height:1.45}.ms-card h3 a{text-decoration:none;color:var(--dark)}.ms-card h3 a:hover{color:var(--primary);text-decoration:underline}
.ms-card-excerpt{font-size:15px;color:var(--muted);margin:0;line-height:1.6}
.ms-more{margin:14px 0 0;font-size:16px}.ms-more a{font-weight:600;text-decoration:none}.ms-more a:hover{text-decoration:underline}
.ms-about .entry-content{max-width:800px}
/* 一覧ページ・個別記事 */
.ms-archive,.ms-single{max-width:var(--width);margin:0 auto;padding:28px 32px 48px;border-bottom:0;min-height:60vh}
.ms-archive h1,.ms-single h1{font-size:clamp(26px,3.6vw,38px);line-height:1.4;color:var(--dark);margin-bottom:18px}
.ms-card-list{grid-template-columns:repeat(2,minmax(0,1fr))}
.ms-pagination{margin-top:28px;display:flex;gap:6px;flex-wrap:wrap;font-size:16px}.ms-pagination .page-numbers{display:inline-block;padding:6px 12px;border:1px solid var(--line);border-radius:6px;text-decoration:none}.ms-pagination .current{background:var(--dark);color:#fff;border-color:var(--dark)}
.ms-single article{max-width:800px}.ms-entry-header{margin-bottom:22px}
.entry-content{max-width:800px;line-height:1.85}.entry-content img{height:auto}.entry-content iframe{max-width:100%}.entry-content table{border-collapse:collapse;max-width:100%;display:block;overflow-x:auto;font-size:16px}.entry-content th,.entry-content td{border:1px solid var(--line);padding:6px 10px}.entry-content pre{overflow-x:auto;background:var(--bg2);padding:12px;border-radius:8px;font-size:15px}.entry-content h2,.entry-content h3{margin-top:1.6em}.entry-content blockquote{border-left:4px solid var(--line);margin:1em 0;padding:.2em 1em;color:var(--muted)}
.ms-tags{font-size:15px;color:var(--muted)}
.ms-post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:800px;margin:32px 0;font-size:16px}.ms-post-nav .ms-next{text-align:right}.ms-post-nav a{text-decoration:none}
/* コメント */
.ms-comments{max-width:800px;margin-top:32px;border-top:1px solid var(--line);padding-top:24px}.comment-list{list-style:none;padding:0;margin:0}.comment-list .children{list-style:none;padding-left:40px}.comment-body{border-bottom:1px solid var(--line);padding:12px 0;font-size:16px}.comment-author img{border-radius:50%;vertical-align:middle;margin-right:8px}.comment-metadata{font-size:13px;color:var(--muted)}.comment-metadata a{color:var(--muted)}.comment-form label{display:block;font-size:15px}.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;max-width:600px;padding:8px;border:1px solid var(--line);border-radius:6px;font-size:16px}.comment-form .submit{background:var(--dark);color:#fff;border:0;padding:10px 20px;border-radius:6px;font-size:16px;cursor:pointer}
/* X 投稿カード（HUDI と同じ見た目） */
.activity-posts h2{font-size:24px}.activity-account{font-size:16px;margin-bottom:12px}
.activity-post-list{display:grid;gap:16px}
.activity-post{min-width:0;padding:16px;border:1px solid #cfd9de;border-radius:16px;background:#fff;color:#0f1419}
.x-reposted{font-size:13px;color:#536471;margin:0 0 8px}
.x-post-header{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px}.x-post-avatar{flex:0 0 40px;display:block}.x-post-avatar img{display:block;width:40px;height:40px;border-radius:50%;object-fit:cover;border:1px solid #eff3f4}
.x-post-author{flex:1;min-width:0;text-decoration:none;color:#0f1419;font-size:16px;line-height:1.35}.x-post-author strong{display:block;font-weight:600}.x-post-author span{display:block;font-size:14px;color:#536471;margin-top:3px}
.x-post-logo{width:20px;height:20px;flex:0 0 20px;fill:#0f1419}
.activity-post p{font-size:16px;line-height:1.5;margin:0 0 12px}.x-post-link{word-break:break-all}
.activity-post .x-post-thumbnail{display:block;position:relative;margin:0 0 12px;border:1px solid #eff3f4;border-radius:12px;overflow:hidden}.activity-post .x-post-thumbnail img{display:block;width:100%}.activity-post .x-post-thumbnail span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:40px;color:#fff;text-shadow:0 0 12px rgba(0,0,0,.6)}
.x-post-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #eff3f4;padding-top:10px;font-size:13px;line-height:1.5}.x-post-footer time{color:#536471}.x-post-footer a{color:#1d9bf0;text-decoration:none}.x-post-footer a:hover{text-decoration:underline}
.activity-more{display:inline-block;margin-top:14px;font-size:16px;text-decoration:none;font-weight:600}.activity-empty{font-size:15px;color:var(--muted)}
/* フッター */
.hd-powered{background:var(--dark);color:#fff;text-align:center;padding:28px 24px;font-size:17px;line-height:1.8;margin-top:24px}.hd-powered a{color:#fff;font-weight:700;text-decoration:none;border-bottom:2px solid rgba(255,255,255,.6)}.hd-powered a:hover{border-bottom-color:#fff}.hd-powered small{display:block;font-size:14px;opacity:.9}
.site-footer{background:var(--bg2);text-align:center;padding:24px 20px;color:var(--muted);font-size:15px}.site-footer p{margin:.3rem 0}.copyright{font-size:13px}
/* 検索フォーム */
.ms-search{display:flex;gap:8px}.ms-search input{padding:8px 10px;border:1px solid var(--line);border-radius:6px;font-size:16px}.ms-search button{background:var(--dark);color:#fff;border:0;border-radius:6px;padding:8px 14px}
/* スマホ・タブレット */
@media(max-width:1000px){.activity-layout{grid-template-columns:minmax(0,1fr);padding:0 22px}.side-column{order:3;padding-top:0}.activity-post-list .activity-post-extra{display:none}.ms-card-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.site-header{padding:12px 18px;gap:10px}.header-intro{gap:6px}.site-purpose{font-size:14px}.main-nav ul{gap:14px;font-size:16px}.ms-hero-inner{padding:30px 20px 26px}.ms-hero h1{font-size:28px}.ms-lead{font-size:16px}.ms-card-grid,.ms-card-list{grid-template-columns:1fr}.ms-archive,.ms-single{padding:20px 20px 36px}.ms-post-nav{grid-template-columns:1fr}.ms-post-nav .ms-next{text-align:left}body{font-size:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* トップの「記事」リンク欄（1.0.2）。ブログ一覧は出さずリンクだけ */
.ms-links-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.ms-links-grid h3{font-size:18px;margin:0 0 8px;color:var(--dark)}.ms-links-grid ul{list-style:none;margin:0;padding:0;font-size:16px}.ms-links-grid li{margin:0 0 6px;line-height:1.5}.ms-links-grid small{color:var(--muted)}
.ms-about h3{font-size:22px;margin:1.4em 0 .5em;color:var(--dark);border-left:5px solid var(--primary);padding-left:10px}.ms-about h3:first-child{margin-top:0}.ms-about ul,.ms-about ol{padding-left:1.4em}.ms-about li{margin-bottom:.25em}
@media(max-width:700px){.ms-links-grid{grid-template-columns:1fr}}
/* hero の右に著書（1.0.3） */
.ms-hero-inner{display:flex;align-items:center;gap:40px}.ms-hero-copy{flex:1;min-width:0}
.ms-book{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;gap:8px;text-decoration:none;color:var(--dark);font-size:15px;text-align:center}.ms-book img{width:170px;height:auto;border-radius:4px;box-shadow:0 6px 18px rgba(0,0,0,.22);transition:transform .15s}.ms-book:hover img{transform:translateY(-2px)}.ms-book small{display:block;color:var(--primary);font-weight:600}
@media(max-width:700px){.ms-hero-inner{flex-direction:column;align-items:flex-start;gap:20px}.ms-book{flex-direction:row;align-items:center;text-align:left}.ms-book img{width:110px}}