:root{--bg:#f6f7f2;--paper:#fff;--ink:#1f352f;--muted:#64756e;--accent:#2d6b58;--accent2:#cde3d6;--line:#dce5df;--warning:#fff4da}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.85}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{text-decoration:none}a:focus-visible{outline:3px solid #bd8767;outline-offset:3px}
.wrap{width:min(1080px,calc(100% - 40px));margin-inline:auto}.sitehead{border-bottom:1px solid var(--line);background:#ffffffeb}
.headinner{display:flex;align-items:center;justify-content:space-between;padding:17px 0;gap:22px}.logo{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink)}.mark{width:38px;height:38px;border-radius:12px;background:#295746;display:grid;place-items:center;color:#fff;font-weight:800;letter-spacing:-1px}.logo strong{display:block;font-size:17px;line-height:1.2}.logo small{display:block;color:var(--muted);font-size:10px;letter-spacing:.09em;margin-top:4px}.nav{display:flex;gap:22px;flex-wrap:wrap}.nav a{text-decoration:none;font-size:13px;color:var(--ink)}.nav a[aria-current=page]{color:var(--accent);font-weight:700;border-bottom:2px solid var(--accent)}
.hero{padding:76px 0 43px}.eyebrow{font-size:11px;color:var(--accent);letter-spacing:.18em;font-weight:800}.hero h1{font-size:clamp(30px,5vw,55px);line-height:1.4;letter-spacing:-.04em;margin:16px 0 18px}.hero .lead{font-size:17px;max-width:750px;color:#4d665b;line-height:2.05}.hero.small{padding:60px 0 32px}.hero.small h1{font-size:clamp(27px,4.6vw,42px)}.hero.small .lead{font-size:15px}
.sectiontitle{font-size:22px;margin:0 0 18px;letter-spacing:-.025em}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.card,.sheet{background:var(--paper);border:1px solid var(--line);border-radius:16px}.card{padding:26px;min-height:190px}.card .num{display:inline-flex;width:33px;height:33px;border-radius:10px;justify-content:center;align-items:center;background:#e5f0e8;color:var(--accent);font-size:13px;font-weight:700}.card h3{font-size:20px;margin:14px 0 5px}.card p{font-size:14px;color:var(--muted);margin:0}.sheet{padding:32px 36px;margin:0 0 18px}.sheet h2{font-size:21px;margin:0 0 13px}.sheet h3{font-size:16px;margin:21px 0 8px}.sheet p{margin:0 0 13px}.sheet p:last-child{margin-bottom:0}.sheet ul{padding-left:24px;margin:8px 0 0}.sheet li{margin-bottom:7px}.sheet .muted{color:var(--muted);font-size:14px}.meta{font-size:13px;color:var(--muted);margin:7px 0 0}.banner{background:#e9f1eb;border-left:4px solid var(--accent);padding:21px 25px;margin:32px 0 38px;border-radius:0 12px 12px 0}.banner p{margin:5px 0 0}.banner strong{font-size:16px}.draft{background:var(--warning);border:1px solid #ecd7ab;padding:13px 17px;color:#815922;border-radius:9px;font-size:14px}.placeholder{font-weight:700;border-bottom:2px dotted #aa8d53}.cta{display:flex;gap:13px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;background:#295c49;color:white;padding:11px 19px;border-radius:9px;text-decoration:none;font-weight:700;font-size:13px}.button.secondary{background:transparent;color:var(--accent);border:1px solid #b5cbbf}.foot{border-top:1px solid var(--line);margin-top:78px;background:#f0f3ed}.footinner{padding:34px 0;display:flex;gap:18px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}.foot small{color:var(--muted);display:block}.foot nav{display:flex;gap:18px;flex-wrap:wrap}.foot nav a{font-size:13px}.textwrap{max-width:830px;margin:auto}.sep{height:1px;background:var(--line);margin:25px 0}
@media(max-width:720px){.wrap{width:min(100% - 28px,1080px)}.headinner{align-items:flex-start;flex-direction:column;gap:14px}.nav{gap:16px}.hero{padding:49px 0 25px}.hero.small{padding:40px 0 22px}.grid{grid-template-columns:1fr}.sheet{padding:23px 20px}.card{min-height:unset}.footinner{flex-direction:column}}

/* Official emblem supplied by the SHIGEN publisher. */
.mark-logo{width:44px;height:44px;object-fit:contain;display:block;flex:0 0 auto}