:root{
  --bg:#fff8fb; --surface:#fff; --surface-soft:#fff1f7; --fg:#4a3542;
  --muted:#765d6d; --faint:#a48999; --accent:#d86693; --accent-strong:#bc4e7c;
  --lavender:#8b70c5; --lavender-soft:#f0eaff; --border:#f0d9e5;
  --tag-bg:#ffe4ef; --tag-fg:#b84f79; --shadow:0 12px 30px rgba(174,90,128,.11);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:radial-gradient(circle at 0 0,#ffe1ed 0 13rem,transparent 13.1rem),radial-gradient(circle at 100% 14%,#eee6ff 0 12rem,transparent 12.1rem),var(--bg); color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  line-height:1.85;
}
img{max-width:100%}

.wrap{max-width:700px;margin:0 auto;padding:0 20px}

header.site{padding:28px 0 20px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.64);backdrop-filter:blur(12px)}
header.site a.home{font-weight:800;text-decoration:none;color:var(--fg);font-size:1.08rem;letter-spacing:.01em}
header.site a.home::before{content:"✦";color:var(--accent);margin-right:7px}
header.site .tagline{color:var(--muted);font-size:.85rem;margin-top:3px;padding-left:19px}

main{padding:30px 0 8px}
main.wrap{margin-top:24px;background:rgba(255,255,255,.93);border:1px solid var(--border);border-radius:22px;padding:clamp(22px,5vw,42px);box-shadow:var(--shadow)}
h1{font-size:clamp(1.5rem,4vw,2rem);line-height:1.42;margin:0 0 12px;text-wrap:balance;letter-spacing:-.02em}
h2{font-size:1.14rem;margin-top:2em;color:var(--fg)}
p,li{font-size:0.98rem}
ol,ul{padding-left:1.3em}
.meta{color:var(--faint);font-size:.85rem;margin-bottom:1.4em}
.lead{color:var(--muted);font-size:1.02rem;line-height:1.9}

a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent-strong)}
a:focus-visible{outline:2px solid var(--lavender);outline-offset:3px;border-radius:3px}

.cta{
  display:inline-block;margin-top:12px;padding:11px 18px;background:var(--lavender);
  color:#fff;font-weight:750;border-radius:999px;text-decoration:none;font-size:.93rem;
  box-shadow:0 7px 16px rgba(139,112,197,.24);transition:transform .12s ease,background .15s ease;
}
.cta:hover{background:#7358af;color:#fff;transform:translateY(-1px)}

.postlist{list-style:none;padding:0;margin:18px 0 0}
.postlist li{border:1px solid var(--border);border-radius:15px;padding:16px 17px;margin:10px 0;background:linear-gradient(135deg,var(--surface),var(--surface-soft));transition:transform .12s ease,box-shadow .12s ease}
.postlist li:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(183,91,134,.10)}
.postlist a{text-decoration:none;color:var(--fg);font-weight:750}
.postlist a:hover{color:var(--accent)}
.postlist .d{color:var(--muted);font-size:.91rem;margin-top:5px;line-height:1.75}

.ad-slot{margin:26px 0;padding:18px;background:var(--surface-soft);border:1px solid var(--border);border-radius:16px;text-align:center}
.ad-slot p{margin:0 0 12px;color:var(--muted);font-size:.82rem}
.ad-slot img{max-width:100%;height:auto}

footer.site{
  margin-top:48px;padding:24px 0 60px;border-top:1px solid var(--border);
  color:var(--muted);font-size:.82rem;
}
footer.site p{font-size:0.82rem;margin:6px 0}
footer.site a{color:var(--muted)}

/* Blog index: editorial two-column layout using this site's own palette. */
header.site .wrap{max-width:1020px}
.blog-layout.wrap{
  max-width:1020px;margin-top:32px;padding:0 20px;background:transparent;border:0;
  box-shadow:none;display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:28px;align-items:start;
}
.feed{background:rgba(255,255,255,.94);border:1px solid var(--border);border-radius:24px;padding:clamp(25px,4vw,42px);box-shadow:var(--shadow)}
.feed .eyebrow,.aside-label{margin:0 0 8px;color:var(--tag-fg);font-size:.71rem;font-weight:800;letter-spacing:.13em;line-height:1.3}
.feed h1{font-size:clamp(1.8rem,4vw,2.55rem);margin-bottom:14px}
.feed .postlist{margin-top:26px}
.feed .postlist li{position:relative;margin:0;padding:20px 0;border:0;border-bottom:1px solid var(--border);border-radius:0;background:transparent}
.feed .postlist li:first-child{border-top:1px solid var(--border)}
.feed .postlist li:hover{transform:none;box-shadow:none}
.feed .postlist li::before{content:"";position:absolute;left:-12px;top:25px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.feed .postlist a{font-size:1.12rem;line-height:1.55}
.feed .postlist .d{font-size:.9rem;margin-top:7px}
.blog-aside{display:grid;gap:14px}
.aside-card{padding:19px;background:rgba(255,255,255,.82);border:1px solid var(--border);border-radius:18px;box-shadow:0 8px 20px rgba(174,90,128,.07)}
.aside-card h2{font-size:1rem;line-height:1.55;margin:0 0 8px}
.aside-card p:last-child{margin:0;color:var(--muted);font-size:.86rem;line-height:1.75}
.aside-card a{display:block;padding:10px 0;border-top:1px solid var(--border);color:var(--fg);font-size:.88rem;font-weight:650;text-decoration:none;line-height:1.45}
.aside-card a:hover{color:var(--accent)}

@media (max-width:760px){
  body{background:linear-gradient(145deg,#fff2f7 0,#fff8fb 36%,#f6f1ff 100%)}
  header.site{padding:20px 0 17px}
  header.site a.home{font-size:1.15rem}
  .blog-layout.wrap{display:block;margin-top:16px;padding:0 14px}
  .feed{border-radius:19px;padding:24px 20px}
  .feed h1{font-size:1.75rem}
  .feed .lead{font-size:.96rem}
  .feed .postlist{margin-top:20px}
  .feed .postlist li{padding:17px 0 17px 3px}
  .feed .postlist a{font-size:1.02rem}
  .feed .postlist li::before{left:-7px;top:23px}
  .blog-aside{margin-top:16px;grid-template-columns:1fr 1fr;gap:10px}
  .aside-card{padding:15px;border-radius:15px}
  .aside-card h2{font-size:.93rem}
  .aside-card p:last-child{font-size:.8rem}
  .aside-card a{font-size:.82rem;padding:8px 0}
  footer.site{margin-top:32px;padding:20px 14px 44px}
}

@media (max-width:430px){.blog-aside{grid-template-columns:1fr}}

.ledger-summary{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin:24px 0 30px}
.ledger-summary div{padding:13px 10px;background:var(--surface-soft);border:1px solid var(--border);border-radius:13px;text-align:center}
.ledger-summary span{display:block;color:var(--muted);font-size:.76rem;line-height:1.4}
.ledger-summary strong{display:block;margin-top:3px;font-size:1rem;line-height:1.45}
.table-scroll{overflow-x:auto;margin:14px 0 28px;border:1px solid var(--border);border-radius:13px}
table{width:100%;border-collapse:collapse;min-width:560px;font-size:.9rem}
th,td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:right;white-space:nowrap}
th:first-child,td:first-child{text-align:left}
thead,tfoot{background:var(--surface-soft)}
tbody tr:last-child td{border-bottom:0}

@media (max-width:760px){.ledger-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.ledger-summary div:last-child{grid-column:span 2}}