:root{color-scheme:light;--fuji:#9070F0;--fuji-deep:#6E4FD0;--fuji-pale:#EDE9FC;--cta1:#CC2DF5;--cta2:#ED7BD8;--cta3:#FB2A85;--base:#F0F0F0;--ink:#2B2540;--ink-soft:#5B5470;--line:#E2DEEE;--gold:#C9A24B}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;background:var(--base)}body{font-family:Zen Kaku Gothic New,sans-serif;background:var(--base);color:var(--ink);line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased}.wrap{max-width:760px;margin:0 auto;padding:0 18px}.main-card{padding:24px 18px 30px}.hero{background:radial-gradient(ellipse at 78% 12%,rgba(237,123,216,.32),transparent 56%),radial-gradient(ellipse at 14% 92%,rgba(123,90,240,.38),transparent 52%),linear-gradient(152deg,#9070f0,#7c5ae6 52%,#6e4fd0);color:#fff;padding:42px 0 38px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.5) .8px,transparent .9px);background-size:26px 26px;opacity:.18;pointer-events:none}.hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(1.5px 1.5px at 20% 30%,rgba(255,255,255,.6),transparent),radial-gradient(1px 1px at 70% 15%,rgba(255,255,255,.5),transparent),radial-gradient(2px 2px at 40% 70%,rgba(255,255,255,.4),transparent),radial-gradient(1px 1px at 85% 55%,rgba(255,255,255,.5),transparent);animation:sparkle 4s ease-in-out infinite alternate;pointer-events:none;z-index:0}@keyframes sparkle{0%{opacity:.3}50%{opacity:.7}to{opacity:.4}}.hero .wrap{position:relative;z-index:1}.hero h1{font-family:Zen Old Mincho,serif;font-weight:900;font-size:28px;line-height:1.45;letter-spacing:.02em;margin-bottom:8px}.hero h1 .role{font-size:14px;font-weight:500;display:block;opacity:.9;margin-top:6px;letter-spacing:.1em}.hero .catch{font-size:15.5px;font-weight:500;opacity:.96}section{padding:34px 0 6px}.sec-label{font-family:Zen Old Mincho,serif;font-weight:700;font-size:21px;color:var(--ink);margin-bottom:4px;display:flex;align-items:center;gap:9px}.sec-label:before{content:"";width:7px;height:22px;border-radius:3px;background:linear-gradient(var(--cta1),var(--cta3));display:inline-block}.feature p{margin-bottom:14px;font-size:15px}.pin-img-wrap{text-align:center;margin:24px 0}.pin-img-wrap img{width:100%;height:auto;border-radius:16px;box-shadow:0 8px 32px #2b25402e}.caption{font-size:12.5px;color:var(--ink-soft);margin-top:8px}nav.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:20px 0}.toc-title{font-weight:700;font-size:14px;color:var(--fuji-deep);margin-bottom:8px}.toc ol{padding-left:20px}.toc li{font-size:14px;margin-bottom:5px}.toc a{color:var(--ink);text-decoration:none}.toc a:hover{color:var(--fuji-deep)}.info-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;margin:16px 0}.info-card h3{font-family:Zen Old Mincho,serif;font-size:18px;font-weight:700;color:var(--fuji-deep);margin-bottom:10px}.sign-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;margin:18px 0;border-left:5px solid var(--fuji)}.sign-card h3{font-family:Zen Old Mincho,serif;font-weight:700;font-size:18px;color:var(--fuji-deep);margin-bottom:8px}.sign-card p{font-size:14.5px;line-height:1.85;color:var(--ink)}.sign-card .source{font-size:12px;color:var(--ink-soft);margin-top:8px;padding-top:8px;border-top:1px solid var(--line)}.checker{background:linear-gradient(145deg,#211c33,#2d2748);border-radius:20px;padding:28px 20px 24px;margin:24px 0;border:1px solid rgba(144,112,240,.22);position:relative;overflow:hidden}.checker:before{content:"";position:absolute;inset:0;background-image:radial-gradient(1px 1px at 15% 20%,rgba(255,255,255,.4),transparent),radial-gradient(1px 1px at 80% 40%,rgba(255,255,255,.3),transparent),radial-gradient(1.5px 1.5px at 50% 75%,rgba(255,255,255,.35),transparent);pointer-events:none;opacity:.6}.checker>*{position:relative;z-index:1}.checker-title{font-family:Zen Old Mincho,serif;font-weight:900;font-size:22px;color:#f0e9fc;text-align:center;margin-bottom:6px}.checker-sub{font-size:13px;color:#a99bd0;text-align:center;margin-bottom:20px}.check-list{list-style:none}.check-item{display:flex;align-items:center;gap:12px;padding:13px 14px;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);border-radius:12px;margin-bottom:8px;cursor:pointer;transition:background .2s}.check-item:hover{background:#ffffff1a}.check-item.checked{background:#9070f02e;border-color:#9070f066}.check-item input{display:none}.check-icon{width:24px;height:24px;border:2px solid rgba(255,255,255,.25);border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--cta2);flex-shrink:0;transition:border-color .2s}.checked .check-icon{border-color:var(--cta2);background:#cc2df526}.check-label{font-size:14px;color:#d8d0ec}.checker-btn{display:block;margin:20px auto 0;padding:14px 40px;border:none;border-radius:999px;background:linear-gradient(135deg,var(--fuji),var(--cta1));color:#fff;font-size:15px;font-weight:700;font-family:Zen Kaku Gothic New,sans-serif;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 20px #9070f066}.checker-btn:active{transform:scale(.95)}#chk-result{display:none;margin-top:20px}.result-card{background:#ffffff0f;border:1px solid rgba(144,112,240,.3);border-radius:14px;padding:20px 18px}.result-title{font-family:Zen Old Mincho,serif;font-weight:900;font-size:20px;color:#f0e9fc;text-align:center}.result-msg{font-size:14px;color:#c8c0e0;margin-top:10px;line-height:1.8}.result-bar{height:8px;border-radius:4px;background:#ffffff1a;margin:14px 0;overflow:hidden}.result-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--fuji),var(--cta2));transition:width .6s ease}.diag-cta{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 16px;margin:18px 0;text-decoration:none;transition:box-shadow .2s,transform .2s}.diag-cta:hover{box-shadow:0 4px 20px #6e4fd02e;transform:translateY(-2px)}.diag-icon{font-size:32px;flex-shrink:0}.diag-body{flex:1}.diag-body strong{font-size:14.5px;color:var(--fuji-deep);display:block;margin-bottom:2px}.diag-body span{font-size:13px;color:var(--ink-soft)}.diag-arrow{font-size:18px;color:var(--fuji);flex-shrink:0}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:16px 0}.related-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-decoration:none;transition:box-shadow .2s}.related-card:hover{box-shadow:0 4px 16px #2b25401f}.related-card strong{font-size:13.5px;color:var(--ink);display:block;margin-bottom:4px}.related-card span{font-size:12px;color:var(--ink-soft)}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:10px 0}.faq-q{font-weight:700;font-size:14.5px;color:var(--fuji-deep);margin-bottom:6px}.faq-q:before{content:"Q. "}.faq-a{font-size:14px;color:var(--ink);line-height:1.8}.faq-a:before{content:"A. ";font-weight:700;color:var(--cta1)}.disclaimer{font-size:12px;color:var(--ink-soft);background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;margin:20px 0;line-height:1.7}@media(max-width:600px){.hero h1{font-size:23px}.sec-label{font-size:18px}.checker-title{font-size:19px}}