@charset "UTF-8";
/* =========================================================
   生命アンテナ仮説 スタイルシート
   （旧痛風サイトの統合CSSをベースに、新コンテンツ用に調整）
   ========================================================= */

:root {
  --color-text: #4a4a4a;
  --color-text-strong: #2b2b2b;
  --color-muted: #7a7a7a;
  --color-link: #5b4b8a;
  --color-link-visited: #4a3d73;
  --color-link-hover: #2b2b2b;
  --color-brand: #3d4a6b;
  --color-surface: #f3f2f7;
  --color-border: #d8d6e0;
  --color-bg: #fff;
  --header-from: #0f1530;
  --header-to: #3a2f5c;

  --font-sans: system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  --font-serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;

  --content-width: 980px;
  --gutter: 16px;
  --radius: 6px;
}

/* ---------- ベース ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.95;
  overflow-wrap: anywhere;
}
img { max-width: 100%; height: auto; border: 0; }
h1, h2, h3 { margin: 0; line-height: 1.5; color: var(--color-text-strong); }
p { margin: 0 0 1.4em; }
ul, ol { margin: 0 0 1.4em; padding-left: 1.5em; }
li { margin-bottom: .4em; }
strong { color: var(--color-text-strong); }
::selection { background: var(--color-brand); color: #fff; }

/* ---------- リンク ---------- */
a { color: var(--color-link); text-decoration: none; transition: color .3s ease; }
a:visited { color: var(--color-link-visited); }
a:hover, a:focus-visible { color: var(--color-link-hover); text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--color-brand); outline-offset: 2px; }

/* ---------- レイアウト ---------- */
#container { max-width: var(--content-width); margin: 40px auto 0; padding: 0 var(--gutter); }

#header-container {
  min-height: 220px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  text-align: right;
  border-radius: var(--radius);
  background:
    radial-gradient(1.5px 1.5px at 12% 22%, #fff9, transparent),
    radial-gradient(1px 1px at 28% 64%, #fff8, transparent),
    radial-gradient(1.5px 1.5px at 47% 30%, #fffa, transparent),
    radial-gradient(1px 1px at 63% 78%, #fff7, transparent),
    radial-gradient(2px 2px at 78% 18%, #fffb, transparent),
    radial-gradient(1px 1px at 90% 52%, #fff8, transparent),
    radial-gradient(1px 1px at 8% 82%, #fff6, transparent),
    linear-gradient(135deg, var(--header-from), var(--header-to));
}
#header-container header { padding: 0 4% 28px; }

.site-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 2rem;
  letter-spacing: .08em;
}
.site-title a, .site-title a:visited { color: #fff; }
.site-title a:hover { color: #d9d3f0; text-decoration: none; }
.intro { margin: 0; font-size: .875rem; color: #cfc9e6; }

#main-container { display: flex; gap: 3%; margin-top: 40px; }
#maincontents {
  flex: 1 1 70%;
  min-width: 0;
  padding-right: 3%;
  border-right: 1px dotted var(--color-border);
}
#sidebar { flex: 0 0 24%; min-width: 0; font-size: .875rem; }

/* ---------- 本文 ---------- */
article h1 {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--color-brand);
}
article h3 {
  font-size: 1.125rem;
  margin: 2.4em 0 .9em;
  padding: 4px 0 4px 12px;
  border-left: 4px solid var(--color-brand);
}
.lead { font-size: 1.0625rem; color: var(--color-text-strong); }

.disclaimer {
  font-size: .8125rem;
  color: var(--color-muted);
  background: var(--color-surface);
  padding: 8px 12px;
  border-radius: var(--radius);
}

.note {
  background: var(--color-surface);
  border-left: 4px solid var(--color-muted);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 20px 2px;
  margin: 0 0 1.6em;
  font-size: .9375rem;
}

table { width: 100%; border-collapse: collapse; margin: 0 0 1.8em; font-size: .9375rem; }
caption { text-align: left; font-weight: 700; margin-bottom: .5em; color: var(--color-text-strong); }
th, td { border: 1px solid var(--color-border); padding: 8px 12px; text-align: left; vertical-align: top; }
thead th { background: var(--color-brand); color: #fff; }
tbody tr:nth-child(even) { background: var(--color-surface); }

/* ---------- 前後ナビ ---------- */
.pagenav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 48px 0 40px;
  padding-top: 20px;
  border-top: 1px dotted var(--color-border);
}
.pagenav .next { margin-left: auto; text-align: right; }

/* ---------- サイドバー ---------- */
.plugcontent { margin: 0 0 30px; }
.plugcontent h2 {
  font-size: .9375rem;
  padding: 6px 12px;
  margin-bottom: 14px;
  background: var(--color-brand);
  color: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
}
.toc { padding-left: 1.6em; }
.toc a[aria-current="page"] { color: var(--color-text-strong); font-weight: 700; }

/* ---------- フッター ---------- */
#footer-container {
  clear: both;
  margin-top: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: .75rem;
  color: var(--color-muted);
}
#footer-container p { margin: 0; }

/* ---------- スマホ・タブレット ---------- */
@media (max-width: 768px) {
  #container { margin-top: 0; padding: 0; }
  #header-container { min-height: 160px; border-radius: 0; }
  .site-title { font-size: 1.5rem; }
  .intro { font-size: .75rem; }
  #main-container { flex-direction: column; gap: 24px; padding: 0 var(--gutter); margin-top: 28px; }
  #maincontents { padding-right: 0; border-right: 0; }
  article h1 { font-size: 1.375rem; }
  th, td { padding: 6px 8px; }
}

/* ---------- 印刷 ---------- */
@media print {
  * { background: transparent !important; color: #333 !important; }
  #main-container { display: block; }
  #maincontents { border: 0; padding: 0; }
  #sidebar, .pagenav { display: none; }
  h3 { break-after: avoid; }
}