:root{--bg:#f7f5ef;--paper:#fff;--ink:#2a2a2a;--muted:#6b6b6b;--accent:#6a8f7b;--accent-dark:#466657;--line:#e8e1d6;--soft:#eef5f1;--danger:#9f443f}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;line-height:1.95}
a{color:var(--accent-dark);text-decoration:none}a:hover{text-decoration:underline}
.site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-inner{width:min(1080px,calc(100% - 32px));margin:auto;min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-size:1.2rem;font-weight:800;letter-spacing:.04em;color:#33473e}
.back{display:inline-flex;align-items:center;gap:6px;font-size:.92rem;font-weight:700;padding:9px 14px;border-radius:999px;background:var(--soft)}
.hero{padding:56px 0 34px;background:radial-gradient(circle at 15% 20%,rgba(106,143,123,.13),transparent 30%),linear-gradient(180deg,#fffdf9 0%,#f7f5ef 100%);border-bottom:1px solid var(--line)}
.hero-inner,main{width:min(860px,calc(100% - 32px));margin:auto}
.series{color:var(--accent-dark);font-size:.93rem;font-weight:800;letter-spacing:.08em;margin-bottom:12px}
h1{margin:0;font-size:clamp(2rem,5.4vw,3.4rem);line-height:1.35;letter-spacing:.02em}
.lead{margin:20px 0 0;color:var(--muted);font-size:1rem}.meta{margin-top:16px;color:#7d776f;font-size:.88rem}
main{margin-top:40px;margin-bottom:72px}
article{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:clamp(26px,5vw,56px);box-shadow:0 14px 40px rgba(61,52,40,.06)}
p{margin:0 0 1.35em}
.emphasis{font-size:1.22rem;font-weight:800;color:#242424;margin:30px 0;padding-left:18px;border-left:4px solid var(--accent)}
.diagnosis{margin:34px 0;padding:24px;background:#fbf2f1;border:1px solid #edd3d0;border-radius:16px}
.diagnosis strong{display:block;font-size:1.15rem;color:var(--danger);margin:5px 0}
.separator{text-align:center;color:#9a9187;letter-spacing:.45em;margin:34px 0}
.story-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:46px}
.story-link{display:block;padding:22px;border-radius:18px;background:var(--soft);border:1px solid #dce9e1}
.story-link small{display:block;color:var(--accent-dark);font-weight:800;letter-spacing:.08em;margin-bottom:7px}
.story-link strong{display:block;font-size:1.05rem;line-height:1.55}
.story-link.next-link{text-align:right}
.note{margin-top:28px;font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:20px}
footer{border-top:1px solid var(--line);background:#fff;color:#76716a;text-align:center;padding:28px 16px;font-size:.86rem}
@media(max-width:640px){.header-inner{min-height:60px}.brand{font-size:1.04rem}.back{font-size:.82rem;padding:8px 11px}.hero{padding-top:38px}main{margin-top:24px}article{border-radius:16px;padding:24px 20px}body{line-height:1.9}.story-nav{grid-template-columns:1fr}.story-link.next-link{text-align:left}}