*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
:root {
  --bg:        #f4f9f6;
  --bg2:       #ffffff;
  --primary:   #2f8f7a;
  --primary-d: #216b5b;
  --accent:    #ff8a5c;
  --text:      #263330;
  --text-light:#5c6b65;
  --border:    #dfe9e4;
  --card:      #ffffff;
  --shadow:    0 4px 20px rgba(38,51,48,0.08);
  --radius:    16px;
}
html { scroll-behavior: smooth; }
body {
  font-family: "Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
}
a { color: var(--primary-d); }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

.hero {
  background: linear-gradient(160deg, var(--primary-d), var(--primary));
  color: #fff;
  padding: 48px 20px 56px;
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.back-to-clinic { display: inline-block; color: rgba(255,255,255,0.85); font-size: 13px; margin-bottom: 18px; }
.back-to-clinic:hover { color: #fff; }
.eyebrow { font-size: 12px; letter-spacing: 0.12em; color: rgba(255,255,255,0.75); margin-bottom: 8px; }
.hero h1 { font-size: clamp(26px, 5vw, 36px); margin-bottom: 12px; }
.hero .lead { font-size: 14.5px; color: rgba(255,255,255,0.9); max-width: 600px; }

main { max-width: 760px; margin: 0 auto; padding: 40px 20px 64px; }
.section-label { font-size: 12px; font-weight: 700; color: var(--accent); letter-spacing: 0.08em; margin-bottom: 8px; }
.section-title { font-size: 22px; color: var(--primary-d); margin-bottom: 8px; }
.section-sub { font-size: 13.5px; color: var(--text-light); margin-bottom: 28px; }

.article-list { display: flex; flex-direction: column; gap: 12px; }
.article-item { background: var(--card); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; flex-shrink: 0; }
.article-toggle {
  width: 100%; display: flex; align-items: center; gap: 14px; padding: 16px 18px; text-align: left;
}
.article-toggle .num { font-size: 12px; font-weight: 800; color: var(--primary); flex-shrink: 0; }
.article-title-group { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.article-title { font-size: 15px; font-weight: 700; color: var(--text); }
.article-date { font-size: 12px; color: var(--text-light); }
.chev { width: 18px; height: 18px; color: var(--primary); flex-shrink: 0; transition: transform .2s ease; }
.article-toggle[aria-expanded="true"] .chev { transform: rotate(45deg); }

.article-panel { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.article-panel-inner { padding: 0 18px 20px; font-size: 14px; color: var(--text-light); }
.article-panel-inner p { margin-bottom: 12px; }
.article-lead {
  background: var(--bg); border-radius: 10px; padding: 12px 14px; margin-bottom: 14px;
  display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px;
}
.lead-tag { flex-shrink: 0; background: var(--primary); color: #fff; font-size: 11px; font-weight: 700; padding: 2px 10px; border-radius: 999px; }
.lead-tag + p { color: var(--text); font-weight: 600; }

.viz { margin-top: 16px; background: var(--bg); border-radius: 10px; padding: 14px 16px; }
.viz-title { font-size: 12.5px; font-weight: 700; color: var(--primary-d); margin-bottom: 10px; }
.viz-table-wrap { overflow-x: auto; }
table.viz-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.viz-table th, table.viz-table td { border: 1px solid var(--border); padding: 6px 8px; text-align: left; }
table.viz-table th { background: #fff; color: var(--primary-d); }
.viz-bars { display: flex; flex-direction: column; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 90px 1fr 60px; align-items: center; gap: 8px; font-size: 12px; }
.bar-track { background: #fff; border-radius: 999px; height: 10px; overflow: hidden; }
.bar-fill { display: block; height: 100%; background: var(--primary); border-radius: 999px; }
.bar-value { text-align: right; font-weight: 700; color: var(--primary-d); }
.viz-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 10px; }
.stat-tile { background: #fff; border-radius: 10px; padding: 10px; text-align: center; }
.stat-value { display: block; font-size: 14px; font-weight: 800; color: var(--primary-d); }
.stat-label { display: block; font-size: 11px; color: var(--text-light); margin-top: 2px; }
.viz-note { font-size: 11px; color: var(--text-light); margin-top: 8px; }

.sources { margin-top: 16px; border-top: 1px dashed var(--border); padding-top: 12px; }
.sources-label { font-size: 12px; font-weight: 700; color: var(--text-light); margin-bottom: 6px; }
.sources ol { padding-left: 18px; font-size: 12.5px; }
.sources li { margin-bottom: 4px; }

footer { text-align: center; padding: 32px 20px; font-size: 12.5px; color: var(--text-light); }
footer a { color: var(--primary-d); text-decoration: underline; }

@media (max-width: 600px) {
  .article-toggle { padding: 14px; }
}