/* Kroha blog — claymorphism, shared by index + articles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary:#9B72CF; --primary-dark:#7A52B0; --primary-deep:#5E3D92; --primary-light:#C4A8E8;
  --peach:#FFD9C7; --mint:#C9EFD9; --sky:#D6E8FA; --lilac:#EBE3FA; --sun:#FCEBC0;
  --bg:#F6F1FC; --surface:#FFFFFF; --text:#261C3B; --muted:#6B6188; --radius:28px;
  --clay:10px 14px 30px rgba(123,82,176,.16), -8px -8px 22px rgba(255,255,255,.85), inset 2px 2px 4px rgba(255,255,255,.6);
  --clay-sm:6px 8px 18px rgba(123,82,176,.14), -4px -4px 12px rgba(255,255,255,.8);
}
html { scroll-behavior:smooth; }
body { font-family:'Nunito',-apple-system,BlinkMacSystemFont,sans-serif; background:var(--bg); color:var(--text); line-height:1.7; -webkit-font-smoothing:antialiased; overflow-x:hidden; }
a { color:inherit; text-decoration:none; }
.container { max-width:760px; margin:0 auto; padding:0 24px; }
.container-wide { max-width:1120px; margin:0 auto; padding:0 24px; }

/* blobs */
.blobs { position:fixed; inset:0; z-index:-1; overflow:hidden; pointer-events:none; }
.blob { position:absolute; border-radius:50%; filter:blur(48px); opacity:.5; }
.blob.b1 { width:380px; height:380px; background:var(--lilac); top:-120px; left:-100px; }
.blob.b2 { width:320px; height:320px; background:var(--peach); top:300px; right:-120px; }

/* header (pill) */
header { position:sticky; top:0; z-index:50; padding:14px 0; }
.header-inner { max-width:1120px; margin:12px auto 0; width:calc(100% - 32px); padding:10px 14px 10px 18px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  background:rgba(255,255,255,.72); backdrop-filter:blur(14px); border-radius:999px; box-shadow:var(--clay-sm); }
.logo { display:flex; align-items:center; gap:10px; font-weight:900; font-size:1.25rem; color:var(--primary-deep); }
.logo img { width:40px; height:40px; border-radius:13px; box-shadow:var(--clay-sm); display:block; }
.btn-open { padding:11px 20px; border-radius:999px; font-weight:800; color:#fff;
  background:linear-gradient(145deg,var(--primary-light),var(--primary-dark));
  box-shadow:6px 8px 18px rgba(123,82,176,.35); transition:transform .18s cubic-bezier(.34,1.56,.64,1); }
.btn-open:hover { transform:translateY(-2px); }

/* breadcrumb */
.crumbs { font-size:.9rem; font-weight:700; color:var(--muted); margin:32px 0 0; }
.crumbs a:hover { color:var(--primary-dark); }

/* blog index */
.blog-hero { text-align:center; padding:40px 0 8px; }
.eyebrow { display:inline-block; font-weight:800; font-size:.82rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--primary); background:var(--lilac); padding:6px 14px; border-radius:999px; margin-bottom:14px; }
.blog-hero h1 { font-size:clamp(2rem,4.5vw,2.9rem); font-weight:900; letter-spacing:-.02em; }
.blog-hero p { color:var(--muted); font-weight:600; font-size:1.08rem; margin-top:12px; }
.post-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:18px; padding:36px 0 20px; }
.post-card { display:block; background:var(--surface); border-radius:var(--radius); padding:24px; box-shadow:var(--clay-sm);
  transition:transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s; }
.post-card:hover { transform:translateY(-6px); box-shadow:var(--clay); }
.post-emoji { width:56px; height:56px; border-radius:18px; display:grid; place-items:center; font-size:27px; box-shadow:var(--clay-sm); margin-bottom:14px; }
.post-card h2 { font-size:1.25rem; font-weight:900; line-height:1.25; }
.post-card p { color:var(--muted); font-weight:600; font-size:.96rem; margin-top:8px; }
.post-meta { font-size:.8rem; font-weight:700; color:var(--primary); margin-top:14px; }

/* article */
article.post { background:var(--surface); border-radius:var(--radius); box-shadow:var(--clay-sm); padding:40px 36px; margin:22px 0 40px; }
.post-head h1 { font-size:clamp(1.7rem,4vw,2.4rem); font-weight:900; letter-spacing:-.02em; line-height:1.15; }
.post-head .lead { color:var(--muted); font-weight:600; font-size:1.1rem; margin-top:14px; }
.post-tag { display:inline-flex; align-items:center; gap:8px; font-weight:800; font-size:.8rem; color:var(--primary-deep);
  background:var(--lilac); padding:6px 14px; border-radius:999px; margin-bottom:16px; }
article.post h2 { font-size:1.45rem; font-weight:900; margin:34px 0 12px; letter-spacing:-.01em; }
article.post h3 { font-size:1.15rem; font-weight:800; margin:22px 0 8px; }
article.post p { margin:12px 0; }
article.post ul, article.post ol { margin:12px 0 12px 4px; padding-left:22px; }
article.post li { margin:7px 0; }
article.post strong { color:var(--primary-deep); }
.note { background:var(--lilac); border-radius:18px; padding:16px 20px; margin:20px 0; font-weight:600; box-shadow:var(--clay-sm); }
.note b { color:var(--primary-deep); }

/* table */
.tbl-wrap { overflow-x:auto; margin:18px 0; border-radius:18px; box-shadow:var(--clay-sm); }
table { width:100%; border-collapse:collapse; background:#fff; min-width:380px; }
th, td { padding:12px 16px; text-align:left; font-size:.95rem; }
thead th { background:var(--primary); color:#fff; font-weight:800; }
tbody tr:nth-child(even) { background:var(--bg); }
tbody td { font-weight:600; }
tbody td:first-child { font-weight:800; color:var(--primary-deep); }

/* CTA card */
.cta-card { background:linear-gradient(150deg,var(--primary-light),var(--primary-dark)); border-radius:var(--radius);
  padding:32px 28px; text-align:center; color:#fff; margin:34px 0 8px;
  box-shadow:12px 18px 40px rgba(123,82,176,.35), inset 2px 2px 6px rgba(255,255,255,.25); }
.cta-card h3 { font-size:1.4rem; font-weight:900; }
.cta-card p { opacity:.92; font-weight:600; margin-top:6px; }
.cta-btn { display:inline-block; margin-top:18px; padding:14px 26px; border-radius:16px; font-weight:800;
  background:#fff; color:var(--primary-dark); box-shadow:6px 8px 18px rgba(0,0,0,.18);
  transition:transform .18s cubic-bezier(.34,1.56,.64,1); }
.cta-btn:hover { transform:translateY(-3px) scale(1.02); }

footer { padding:40px 0; text-align:center; color:var(--muted); font-weight:600; font-size:.9rem; }
footer a { font-weight:700; }
footer a:hover { color:var(--primary-dark); }

@media (max-width:640px) { .post-grid { grid-template-columns:1fr; } article.post { padding:28px 20px; } }
@media (prefers-reduced-motion:reduce){ *{ animation:none!important; } html{ scroll-behavior:auto; } }