:root{--ink:#152421;--muted:#52625f;--bg:#eef1ee;--card:#fff;--line:#d5ddd8;--green:#145b4b;--accent:#a98937;--lime:#c4a34a;--navy:#17354a;--soft:#e3ebe6;--cream:#f5efe0;--blue:#e8eef0;--shadow:0 12px 34px rgba(21,36,33,.075)}
*{box-sizing:border-box}html{overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans JP","Hiragino Sans",system-ui,sans-serif;line-height:1.75;overflow-wrap:anywhere}a{color:inherit}.wrap{width:min(1000px,calc(100% - 32px));margin-inline:auto}.header{padding:19px 0;border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);backdrop-filter:blur(12px)}.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{font-weight:900;text-decoration:none;font-size:20px;line-height:1.35;flex:0 0 auto}.logo::first-letter{color:var(--green)}.header nav{display:flex;align-items:center;justify-content:flex-end;gap:22px;font-size:14px;font-weight:700}.header nav a{white-space:nowrap;text-decoration:none}.crumb{font-size:13px;color:var(--muted);margin:24px 0 16px}.crumb a{color:var(--green);font-weight:800;text-decoration:none}
.hero{position:relative;overflow:hidden;margin:0 0 28px;padding:36px 40px;border:1px solid #ced8d2;border-radius:22px;background:linear-gradient(135deg,#fff 0%,#f2f5f2 68%,#e3ebe6 100%);box-shadow:0 8px 24px rgba(21,36,33,.055)}.hero:before{content:"";position:absolute;left:0;top:0;bottom:0;width:7px;background:var(--green)}.hero:after{content:"";position:absolute;right:34px;top:30px;width:62px;height:62px;border:1px solid rgba(169,137,55,.38);border-radius:50%;pointer-events:none}.hero h1{position:relative;font-size:clamp(32px,5vw,54px);line-height:1.2;letter-spacing:-.045em;margin:12px 0}.hero p{position:relative;font-size:18px;color:#465a55;max-width:760px}.tag{position:relative;display:inline-block;background:var(--green);color:#fff;padding:5px 11px;border-radius:999px;font-size:13px;font-weight:900;letter-spacing:.02em}
.grid{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(240px,.58fr);gap:26px;padding:8px 0 70px;align-items:start}.grid>*{min-width:0}.panel{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;margin-bottom:18px;box-shadow:var(--shadow)}.panel:nth-child(even){background:#fff}.panel h2{margin-top:0;font-size:24px;line-height:1.45}.panel h2:after{content:"";display:block;width:38px;height:3px;margin-top:10px;border-radius:999px;background:var(--accent)}.panel h3{margin-bottom:4px;color:#173f37}.panel p{color:var(--muted)}
.task{counter-increment:task;position:relative;padding:19px 8px 19px 50px;border-bottom:1px solid #e0e6e2}.panel:has(.task){counter-reset:task}.task:before{content:"0" counter(task);position:absolute;left:0;top:19px;width:36px;height:36px;display:grid;place-items:center;border-radius:9px;background:var(--soft);color:var(--green);font-size:12px;font-weight:950}.task:last-child{border:0}
.tools{display:grid;gap:10px}.tool{position:relative;padding:15px 16px 15px 19px;border:1px solid var(--line);border-radius:11px;background:#fff;text-decoration:none;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 3px 10px rgba(21,36,33,.04);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.tool:before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:4px;border-radius:0 4px 4px 0;background:var(--green)}.tool:nth-child(even){background:#fff}.tool:hover{transform:translateX(3px);border-color:#9fb9af;box-shadow:0 6px 16px rgba(21,36,33,.08)}.tool:focus-visible,.button:focus-visible{outline:3px solid #7fb6a5;outline-offset:3px}.score{display:inline-flex;align-items:center;justify-content:center;min-width:52px;padding:3px 8px;border-radius:999px;background:var(--soft);color:var(--green);font-weight:900}
.side{position:sticky;top:20px;height:max-content;background:#fff;color:var(--ink);border-top:6px solid var(--green);box-shadow:0 12px 32px rgba(21,36,33,.09)}.side h2{color:var(--ink)}.side h2:after{background:var(--accent)}.side p{color:#465a55;font-weight:500}.button{display:block;background:var(--green);color:#fff;padding:13px 16px;text-align:center;border-radius:10px;font-weight:900;text-decoration:none;box-shadow:none;transition:transform .18s ease,background .18s ease}.button:hover{transform:translateY(-2px);background:#0f493c;box-shadow:none}
blockquote{margin:24px 0;padding:18px 22px;border-left:5px solid var(--accent);border-radius:0 14px 14px 0;background:var(--cream)}table{border-collapse:separate;border-spacing:0;width:100%;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:white}th{background:var(--navy);color:white}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left}.foot{border-top:1px solid var(--line);padding:25px 0;color:var(--muted);font-size:12px}.operator-information{max-width:1000px;margin:0 auto 26px;padding:0 16px;color:var(--muted);font-size:12px}
@media(max-width:800px){.header{padding:17px 0}.header .wrap{gap:12px}.header nav{display:none}.logo{font-size:18px}.hero{padding:29px 26px;border-radius:18px}.hero:after{right:20px;top:20px;width:48px;height:48px}.grid{grid-template-columns:1fr}.side{position:static;box-shadow:0 10px 26px rgba(21,36,33,.08)}.panel{padding:21px}.hero h1{letter-spacing:-.035em}table{display:block;overflow-x:auto}}@media(max-width:480px){.wrap{width:min(100% - 24px,1000px)}.crumb{margin-top:18px}.hero{padding:25px 21px}.hero:after{display:none}.hero p{font-size:16px}.panel{padding:19px;border-radius:15px}.task{padding-left:45px}.button{width:100%}}@media(prefers-reduced-motion:reduce){.tool,.button{transition:none}.tool:hover,.button:hover{transform:none}}