/* 馬で食う。 / no external dependencies */
:root{
  --ink:#182019;--muted:#667068;--paper:#fbfaf6;--card:#ffffff;--line:#dfe3dc;
  --deep:#1f4934;--deep2:#163727;--accent:#bb7a2a;--soft:#eef3ed;--soft2:#f6efe5;
  --shadow:0 14px 38px rgba(24,32,25,.08);--radius:20px;--max:1120px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic","Meiryo",sans-serif;line-height:1.82;-webkit-font-smoothing:antialiased}
a{color:var(--deep);text-decoration-thickness:1px;text-underline-offset:3px}img{max-width:100%;height:auto}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(251,250,246,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(223,227,220,.9)}.head-inner{height:72px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;font-weight:900;letter-spacing:.02em;font-size:21px;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--deep);color:#fff;font-size:21px;font-family:serif}.nav{display:flex;gap:4px;margin-left:auto}.nav a{padding:9px 12px;border-radius:10px;color:#374039;text-decoration:none;font-size:14px;font-weight:700}.nav a:hover{background:var(--soft)}.menu-btn{display:none;margin-left:auto;background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-weight:800}
.hero{padding:76px 0 56px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:stretch}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:900;letter-spacing:.12em;color:var(--deep);text-transform:uppercase}.eyebrow:before{content:"";width:28px;height:2px;background:var(--accent)}h1{font-size:clamp(38px,6vw,72px);line-height:1.12;margin:16px 0 20px;letter-spacing:-.04em}h2{font-size:clamp(26px,3.8vw,40px);line-height:1.3;letter-spacing:-.025em;margin:0 0 16px}h3{font-size:22px;line-height:1.45;margin:30px 0 8px}.lead{font-size:18px;color:#3d463f;max-width:760px}.hero-copy{padding:20px 0}.hero-card{background:var(--deep);color:#fff;border-radius:30px;padding:34px;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between;min-height:330px}.hero-card strong{font-size:54px;line-height:1}.hero-card .hero-word{display:block;font-size:clamp(30px,3.6vw,46px);line-height:1.15;letter-spacing:-.035em}.hero-card .hero-sub{display:block;margin-top:10px;color:#dbe7df;font-size:13px}.hero-card p{color:#dbe7df}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.chip{padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.12);font-size:13px}.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 17px;border-radius:12px;text-decoration:none;font-weight:900;border:1px solid var(--deep)}.btn.primary{background:var(--deep);color:#fff}.btn.ghost{background:#fff;color:var(--deep)}
.data-snapshot{padding:0 0 58px}.snapshot-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:18px}.snapshot-head h2{font-size:clamp(24px,3.2vw,34px);margin-top:8px}.snapshot-head p{max-width:480px;color:var(--muted);margin:0}.snapshot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.snapshot-item{display:flex;flex-direction:column;min-height:168px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;color:var(--ink);text-decoration:none;box-shadow:0 8px 28px rgba(24,32,25,.035);transition:transform .15s ease,border-color .15s ease}.snapshot-item:hover{transform:translateY(-2px);border-color:#b7c1b8}.snapshot-item span{font-size:12px;font-weight:900;color:var(--muted)}.snapshot-item strong{display:block;margin:10px 0 8px;color:var(--deep);font-size:clamp(30px,4vw,44px);line-height:1.05;letter-spacing:-.04em}.snapshot-item small{margin-top:auto;color:#4f5951;line-height:1.55}.section{padding:58px 0}.section.alt{background:#f3f4ef;border-block:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}.section-head p{max-width:620px;color:var(--muted);margin:0}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 8px 28px rgba(24,32,25,.035)}.card h3{margin-top:8px}.card .kicker{font-size:12px;font-weight:900;letter-spacing:.08em;color:var(--accent)}.card p{color:#4f5951}.card .more{font-weight:900;text-decoration:none}.metric{font-size:34px;font-weight:950;letter-spacing:-.03em;color:var(--deep)}.note{background:var(--soft2);border-left:4px solid var(--accent);padding:18px 20px;border-radius:0 14px 14px 0;margin:24px 0}.notice{background:var(--soft);padding:18px 20px;border-radius:14px;margin:24px 0}.warning{background:#fff5f0;border:1px solid #ead1c4;padding:18px 20px;border-radius:14px;margin:24px 0}.small{font-size:13px;color:var(--muted)}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px;padding:50px 0 72px}.article{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(24px,5vw,54px);box-shadow:var(--shadow)}.article h1{font-size:clamp(34px,5vw,56px)}.article .meta{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:0 0 28px}.article p{margin:0 0 20px}.article ul,.article ol{padding-left:1.4em}.article li{margin:.45em 0}.article table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}.article th,.article td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.article th{background:#f5f6f2}.article .sourcebox{margin-top:38px;padding:20px;border-radius:16px;background:#f5f6f2}.article .sourcebox h2{font-size:20px;margin-bottom:8px}.article .sourcebox a{word-break:break-all}.toc{position:sticky;top:94px;align-self:start}.toc-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:18px}.toc-card strong{display:block;margin-bottom:8px}.toc-card a{display:block;padding:6px 0;color:#4f5951;text-decoration:none;font-size:13px}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}.breadcrumb a{color:inherit}
.calc{background:#f7f8f4;border:1px solid var(--line);border-radius:18px;padding:22px;margin:26px 0}.calc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field label{display:block;font-size:13px;font-weight:900;margin-bottom:5px}.field input,.field select{width:100%;padding:12px 13px;border:1px solid #cfd5cd;border-radius:10px;background:#fff;font:inherit}.result{margin-top:18px;border-radius:14px;background:var(--deep);color:#fff;padding:20px}.result .big{font-size:34px;font-weight:950}.result small{color:#d5e1d9}.calc button{margin-top:16px;padding:12px 18px;border:0;border-radius:10px;background:var(--deep);color:#fff;font-weight:900;font-size:15px;cursor:pointer}
.footer{background:#17251d;color:#d8e2db;padding:46px 0 26px}.footer a{color:#e8f0eb}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:30px}.footer h3{font-size:17px;margin-top:0;color:#fff}.footer small{color:#aebdb3}.footlinks a{display:block;margin:8px 0;text-decoration:none}.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:30px;padding-top:20px;color:#9fb0a5;font-size:12px}
.tag{display:inline-block;background:var(--soft);color:var(--deep);font-size:12px;font-weight:800;border-radius:999px;padding:4px 9px;margin-right:5px}.source-note{font-size:12px;color:var(--muted)}.list-clean{list-style:none;padding:0;margin:0}.list-clean li{padding:13px 0;border-bottom:1px solid var(--line)}.price-list{display:grid;grid-template-columns:1fr auto;gap:6px 18px}.price-list div{padding:9px 0;border-bottom:1px solid var(--line)}
@media(max-width:860px){.snapshot-head{display:block}.snapshot-head p{margin-top:8px}.snapshot-grid{grid-template-columns:1fr}.nav{display:none;position:absolute;left:18px;right:18px;top:70px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}.nav.open{display:block}.nav a{display:block}.menu-btn{display:block}.hero-grid,.article-shell,.footer-grid{grid-template-columns:1fr}.grid3{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.hero{padding-top:44px}.toc{position:static;order:-1}.toc-card{display:none}}
@media(max-width:560px){.wrap{width:min(var(--max),calc(100% - 24px))}.head-inner{height:64px}.hero-card{min-height:270px;padding:26px}.calc-grid{grid-template-columns:1fr}.article{border-radius:16px;padding:24px 18px}.section{padding:42px 0}}

.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:24px 0}.table-scroll table{min-width:680px;margin:0}.job-table td:first-child{min-width:180px}.job-table td,.job-table th{white-space:nowrap}.job-table td:first-child{white-space:normal}.article a.btn{margin:8px 0}.article strong{font-weight:900}
@media(max-width:1040px){.snapshot-grid{grid-template-columns:repeat(2,1fr)}}