:root{--green:#06c755;--dark:#102018;--muted:#5f6d65;--line:#dce5df;--soft:#f3f7f4}*{box-sizing:border-box}body{margin:0;background:#f8faf9;color:#152019;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;letter-spacing:0}a{color:#047a38}.wiki-header{position:sticky;top:0;z-index:5;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96)}.wiki-nav{width:min(1080px,calc(100% - 32px));min-height:62px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px}.wiki-brand{display:flex;align-items:center;gap:10px;color:var(--dark);font-weight:900;text-decoration:none}.wiki-brand img{border-radius:7px}.wiki-links{display:flex;flex-wrap:wrap;gap:16px}.wiki-links a{color:var(--muted);font-size:.88rem;font-weight:750;text-decoration:none}.wiki-main{width:min(980px,calc(100% - 32px));margin:auto;padding:52px 0 84px}.back-link{margin:0 0 20px}.wiki-article h1{max-width:18ch;margin:0;font-size:clamp(2rem,5vw,3.3rem);line-height:1.12}.guide-lead{max-width:680px;margin:18px 0 0;color:var(--muted);font-size:1.08rem;line-height:1.8}.wiki-article section{margin-top:48px}.wiki-article h2{margin:0 0 18px;font-size:1.45rem}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.guide-grid article{border:1px solid var(--line);border-radius:7px;background:#fff;padding:20px}.guide-grid h3{margin:0;font-size:1rem}.guide-grid p{margin:8px 0 0;color:var(--muted);line-height:1.75}.friendly-note{margin-top:32px;border-left:4px solid var(--green);background:#eaf8ef;padding:16px 18px;line-height:1.75}.guide-images{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:start}.guide-images img{width:100%;border:1px solid var(--line);border-radius:7px}.wiki-footer{border-top:1px solid var(--line);padding:24px;text-align:center;color:var(--muted);font-size:.82rem}@media(max-width:680px){.wiki-nav{align-items:flex-start;flex-direction:column;padding:12px 0}.wiki-links{gap:8px 14px}.wiki-main{padding-top:36px}.guide-grid,.guide-images{grid-template-columns:1fr}.wiki-article h1{font-size:2rem}}