/* kirakirafx article style v2 - SPA-matched shell 2026-09-12
   (v1 = 2026-08-27 single-column. v2 keeps every body-content class byte-compatible
    and adds the SPA header/nav, 2-column grid, sidebar and dark footer.) */
:root{
  --pink:#ff2d87; --pink-deep:#e01a72; --yellow:#ffc427; --ink:#2a2230;
  --bg:#fffdfd; --card:#ffffff; --soft:#fff0f7; --line:#ffd6e8; --muted:#7c6f78;
  --grad:linear-gradient(135deg,#FF6B9D 0%,#FF8C42 50%,#FFD700 100%);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"M PLUS Rounded 1c","Noto Sans JP",sans-serif;line-height:1.9;
  font-size:17px;-webkit-font-smoothing:antialiased;}
a{color:var(--pink-deep);text-underline-offset:2px;}
img{max-width:100%;height:auto}

/* ---------- header (SPA Header.tsx equivalent) ---------- */
.kk-head{position:sticky;top:0;z-index:50;width:100%;background:var(--grad);
  box-shadow:0 4px 20px rgba(255,107,157,.3);}
.kk-head .kk-bar{max-width:1280px;margin:0 auto;padding:0 16px;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;}
.kk-brand{display:flex;align-items:center;gap:8px;text-decoration:none;}
.kk-brand .kk-spark{font-size:1.4rem;line-height:1;filter:drop-shadow(0 1px 1px rgba(0,0,0,.15))}
.kk-brand .kk-name{font-size:1.5rem;font-weight:900;color:#fff;letter-spacing:-.01em;
  text-shadow:0 1px 2px rgba(0,0,0,.12);font-family:"M PLUS Rounded 1c",sans-serif;}
.kk-brand .kk-sub{color:rgba(255,255,255,.8);font-size:.72rem;font-weight:500;}
.kk-menu-t{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;}
.kk-burger{display:none;order:3;color:#fff;font-size:1.5rem;line-height:1;padding:6px 10px;
  border-radius:999px;cursor:pointer;user-select:none;}
.kk-burger:hover{background:rgba(255,255,255,.2)}
.kk-nav{display:flex;align-items:center;gap:2px;}
.kk-nav a{padding:8px 16px;border-radius:999px;font-size:.86rem;font-weight:700;color:#fff;
  text-decoration:none;transition:background .2s;white-space:nowrap;}
.kk-nav a:hover{background:rgba(255,255,255,.2)}
@media(max-width:860px){.kk-brand .kk-sub{display:none}.kk-brand .kk-name{font-size:1.25rem}}
@media(max-width:767px){
  .kk-burger{display:block}
  .kk-nav{display:none;order:4;flex-basis:100%;flex-direction:column;align-items:stretch;
    gap:2px;padding:6px 0 10px;border-top:1px solid rgba(255,255,255,.25);margin-top:8px;}
  .kk-menu-t:checked ~ .kk-nav{display:flex}
  .kk-nav a{padding:10px 12px;font-size:.92rem;}
  .kk-head .kk-bar{height:auto;min-height:56px;padding:8px 12px;flex-wrap:wrap;}
}

/* ---------- layout ---------- */
.kk-wrap{max-width:1280px;margin:0 auto;padding:32px 16px 8px;
  display:grid;grid-template-columns:2fr 1fr;gap:32px;align-items:start;}
@media(max-width:1023px){.kk-wrap{grid-template-columns:1fr;gap:24px}}
main{max-width:none;margin:0;padding:0;min-width:0;}
.kk-card{background:var(--card);border:1px solid var(--line);border-radius:24px;
  box-shadow:0 4px 20px rgba(255,45,135,.07);padding:28px 32px 36px;overflow:hidden;}
@media(max-width:640px){.kk-card{padding:20px 18px 28px;border-radius:18px}}
.kk-hero{position:relative;height:220px;border-radius:18px;overflow:hidden;margin:0 0 20px;
  background:var(--grad);display:flex;align-items:flex-end;}
.kk-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.kk-hero .kk-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 35%,rgba(42,34,48,.55) 100%)}
@media(max-width:640px){.kk-hero{height:150px}}

/* ---------- body content (v1 compatible) ---------- */
.crumbs{font-size:.82rem;color:var(--muted);margin:0 0 16px;}
.crumbs a{color:var(--muted);text-decoration:none;}
h1{font-size:1.75rem;line-height:1.45;font-weight:800;margin:.2em 0 .5em;}
@media(max-width:640px){h1{font-size:1.4rem}}
.meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:.82rem;color:var(--muted);margin-bottom:18px;}
.tag{background:var(--yellow);color:#5a4500;border-radius:999px;padding:3px 12px;font-weight:700;font-size:.78rem;}
.author{display:flex;gap:12px;align-items:center;background:var(--soft);border:1px solid var(--line);
  border-radius:18px;padding:12px 16px;margin:18px 0;font-size:.9rem;}
.author .av{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--yellow));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.1rem;flex:none;}
.author b{font-size:1rem}
.bluf{background:linear-gradient(135deg,#fff,#fff0f7);border:2px solid var(--line);
  border-radius:20px;padding:18px 20px;margin:8px 0 26px;font-weight:500;}
.bluf b{color:var(--pink-deep)}
h2{font-size:1.28rem;font-weight:800;margin:2.2em 0 .6em;padding-left:14px;
  border-left:7px solid var(--pink);line-height:1.5;}
h3{font-size:1.08rem;font-weight:700;margin:1.6em 0 .4em;color:var(--pink-deep);}
p{margin:.7em 0;}
table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.95rem;background:var(--card);
  border-radius:14px;overflow:hidden;box-shadow:0 2px 10px rgba(255,45,135,.08);}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line);}
thead th{background:var(--pink);color:#fff;font-weight:700;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:nth-child(even){background:var(--soft);}
.kk-tablewrap{overflow-x:auto}
ol,ul{padding-left:1.3em;}
ol li,ul li{margin:.5em 0;}
.callout{background:#fffbe9;border:1px solid var(--yellow);border-radius:16px;padding:14px 18px;margin:1.3em 0;}
.callout b{color:#a06b00}
.risk{background:#fff0f3;border:1px dashed var(--pink);border-radius:16px;padding:14px 18px;margin:1.3em 0;font-size:.94rem;}
.faq-h{margin-top:2.2em}
.faq{margin-top:1em;}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px 16px;margin:10px 0;}
.faq summary{font-weight:700;cursor:pointer;padding:10px 0;list-style:none;}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q. ";color:var(--pink-deep);font-weight:800;}
.faq p{margin:.2em 0 .9em;}
.src{font-size:.85rem;color:var(--muted);background:var(--soft);border-radius:14px;padding:14px 18px;margin:2em 0 0;}
.src ul{padding-left:1.2em;margin:.4em 0;}
.updated{font-size:.82rem;color:var(--muted);margin-top:1.6em;}
.backlink{display:inline-block;margin-top:8px;color:var(--pink-deep);text-decoration:none;font-weight:700;}

/* ---------- sidebar ---------- */
.kk-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px;}
@media(max-width:1023px){.kk-side{position:static}}
.kk-box{background:var(--card);border:1px solid var(--line);border-radius:20px;
  box-shadow:0 2px 12px rgba(255,45,135,.06);padding:20px;}
.kk-box h2{font-size:1rem;font-weight:800;margin:0 0 14px;padding:0;border:0;color:var(--ink);}
.kk-prof{text-align:center}
.kk-prof .kk-av{width:72px;height:72px;border-radius:50%;margin:0 auto 10px;
  background:linear-gradient(135deg,var(--pink),var(--yellow));display:flex;align-items:center;
  justify-content:center;color:#fff;font-weight:800;font-size:1.6rem;}
.kk-prof .kk-nm{font-weight:800;margin:0 0 6px}
.kk-prof p{font-size:.82rem;color:var(--muted);margin:0 0 12px;line-height:1.8}
.kk-catlist{list-style:none;padding:0;margin:0}
.kk-catlist li{margin:0}
.kk-catlist a{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:9px 12px;border-radius:12px;text-decoration:none;color:var(--ink);font-size:.88rem;font-weight:700;}
.kk-catlist a:hover{background:var(--soft)}
.kk-catlist .kk-n{font-size:.72rem;color:var(--muted);font-weight:700;background:var(--soft);
  border-radius:999px;padding:2px 9px;}
.kk-rel{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.kk-rel a{display:block;text-decoration:none;color:var(--ink);font-size:.85rem;font-weight:700;line-height:1.6;}
.kk-rel a:hover{color:var(--pink-deep)}
.kk-rel .kk-d{display:block;font-size:.72rem;color:var(--muted);font-weight:500;margin-top:3px}
.kk-cta{background:var(--grad);color:#fff;text-align:center;border:0}
.kk-cta h2{color:#fff}
.kk-cta p{font-size:.82rem;margin:0 0 14px;color:rgba(255,255,255,.92);line-height:1.8}
.kk-cta a{display:inline-block;background:#fff;color:var(--pink-deep);font-weight:800;
  text-decoration:none;border-radius:999px;padding:10px 22px;font-size:.86rem;}

/* ---------- footer ---------- */
.kk-foot{margin-top:56px;background:linear-gradient(135deg,#2D1B2E 0%,#1A0A1E 100%);color:#e9e2ec;}
.kk-foot .kk-fin{max-width:1280px;margin:0 auto;padding:40px 16px 24px;
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;}
@media(max-width:860px){.kk-foot .kk-fin{grid-template-columns:1fr;gap:24px}}
.kk-foot h2{font-size:.95rem;font-weight:800;margin:0 0 12px;padding:0;border:0;color:#fff;}
.kk-foot p{font-size:.82rem;line-height:1.9;color:#bdb2c2;margin:0 0 8px}
.kk-foot ul{list-style:none;padding:0;margin:0}
.kk-foot li{margin:0 0 8px}
.kk-foot a{color:#d9cfdd;text-decoration:none;font-size:.84rem}
.kk-foot a:hover{color:#ff8cc0}
.kk-foot .kk-copy{border-top:1px solid rgba(255,255,255,.12);max-width:1280px;margin:0 auto;
  padding:16px;font-size:.76rem;color:#9c8fa3;text-align:center}