:root{--ink:#12283c;--ink-soft:#3a4f63;--accent:#0e7c6e;--accent-bright:#3fbfa8;--paper:#f7f6f2;--paper-2:#fffefb;--line:#d4d0c8;--ok:#0e7c6e;--font-display:"Zen Kaku Gothic New", "Hiragino Sans", sans-serif;--font-body:"IBM Plex Sans JP", "Hiragino Sans", sans-serif;--font-latin:"IBM Plex Sans", "IBM Plex Sans JP", sans-serif;--radius:8px}*{box-sizing:border-box}html,body{min-height:100%;font-family:var(--font-body);color:var(--ink);background:radial-gradient(1000px 520px at 8% -8%, color-mix(in oklab, var(--accent) 12%, transparent) 0%, transparent 55%), radial-gradient(800px 480px at 100% 0%, color-mix(in oklab, var(--ink) 6%, transparent) 0%, transparent 50%), var(--paper);margin:0;padding:0}a{color:inherit;text-decoration:none}a:hover{opacity:.85}.wrap{width:min(1120px,100% - 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a:hover{opacity:1;border-color:color-mix(in oklab, var(--accent) 45%, var(--line))}.guide-index strong{color:var(--ink);font-size:1.02rem}.howto-steps{padding-left:1.2rem}.howto-steps li{margin:.85rem 0}.howto-steps p{margin:.35rem 0 0}