:root{--ink:#eee9dd;--ink-dark:#211f1a;--muted:#bcb5a8;--gold:#c8a34e;--gold-light:#e5cd8c;--green:#2f6048;--paper:#171816;--panel:#21231f;--panel-soft:#292b26;--line:#555044;--radius:6px;--shadow:0 12px 30px rgba(0,0,0,.25)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background-color:var(--paper);background-image:repeating-linear-gradient(8deg,rgba(255,248,224,.022) 0,rgba(255,248,224,.022) 1px,transparent 1px,transparent 8px),repeating-linear-gradient(97deg,rgba(220,204,165,.018) 0,rgba(220,204,165,.018) 1px,transparent 1px,transparent 12px),radial-gradient(circle at 12% 12%,rgba(92,97,78,.18),transparent 30%),radial-gradient(circle at 88% 70%,rgba(91,75,43,.14),transparent 28%);font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;font-size:17px;line-height:1.9;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;vertical-align:middle}a{color:var(--gold-light);text-decoration-thickness:1px;text-underline-offset:.18em}a:hover{color:#fff3c9;text-decoration-thickness:2px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #f5d43b;outline-offset:3px;box-shadow:0 0 0 2px #111}.skip-link{position:fixed;z-index:1000;top:8px;left:8px;padding:10px 16px;transform:translateY(-160%);color:#111;background:#f5d43b}.skip-link:focus{transform:none}
.site-header{position:relative;z-index:20;background:rgba(20,22,19,.97);border-bottom:1px solid #54482e}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;width:min(1180px,calc(100% - 48px));min-height:112px;margin:auto}.logo{display:block;flex:0 0 auto}.logo img{display:block;width:270px;height:auto}.nav{display:flex;align-items:center;gap:10px}.nav a{position:relative;display:block;padding:14px 16px;color:var(--ink);font-weight:700;text-decoration:none}.nav a::after{content:"";position:absolute;right:16px;bottom:8px;left:16px;height:2px;transform:scaleX(0);background:var(--gold);transition:transform .18s}.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}.menu-toggle{display:none}.hero,.subhero{background-position:center;background-size:cover}.hero{height:440px;background-image:url("images/mv-top.webp")}.subhero{height:240px;background-image:url("images/mv-sub.webp")}
.layout{display:grid;grid-template-columns:minmax(0,780px) 300px;gap:56px;width:min(1180px,calc(100% - 48px));margin:64px auto 96px}.article{min-width:0}.article>h1,.page-heading{margin:0 0 40px;color:#faf7ee;font-size:clamp(34px,4.3vw,48px);line-height:1.45;letter-spacing:.025em}.article p{margin:0 0 1.35em}.article ul,.article ol{margin:0 0 1.6em;padding-left:1.5em}.article li+li{margin-top:.35em}.article h2{display:flex;align-items:flex-end;gap:18px;margin:72px 0 24px;padding:0 8px 13px 0;color:var(--gold-light);font-size:clamp(26px,3vw,32px);line-height:1.5;border-bottom:2px solid var(--gold)}.article h2::before{content:"";flex:0 0 88px;width:88px;height:88px;background:url("images/h2-illustration.webp") center bottom/contain no-repeat}.article h3{margin:50px 0 20px;padding-left:16px;color:#f0d997;font-size:25px;line-height:1.55;border-left:5px solid var(--green)}.article h4{margin:34px 0 14px;color:#f2eee3;font-size:21px;line-height:1.55}.article hr{display:none}.table-wrap{max-width:100%;margin:28px 0 44px;overflow-x:auto;border:1px solid var(--line);background:#f5f1e7;color:var(--ink-dark)}table{width:100%;min-width:700px;border-collapse:collapse;font-size:15px;line-height:1.65}th,td{padding:14px 16px;border:1px solid #bdb29d;text-align:left;vertical-align:top}th{color:#262217;background:#ddc985}.company-image{margin:20px 0 28px}.company-image img{width:100%;border:1px solid #76663f;border-radius:4px;box-shadow:var(--shadow)}figcaption{margin-top:8px;color:var(--muted);font-size:14px}.company-info-block{margin:20px 0;padding:22px 24px;background:var(--panel-soft);border:1px solid var(--line);border-left:5px solid var(--green)}.company-info-block.company-official-block{background:#2b281f;border-left-color:var(--gold)}.company-info-block h4{margin:0 0 10px}.company-info-block ul{margin-bottom:0}.official-site-link{overflow-wrap:anywhere}
.sidebar{min-width:0}.side-card{margin-bottom:24px;padding:24px;background:rgba(35,37,32,.94);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.side-title{margin:0 0 16px;padding-bottom:12px;color:var(--gold-light);font-size:21px;line-height:1.5;border-bottom:2px solid var(--gold)}.side-links{margin:0;padding:0;list-style:none}.side-links li+li{border-top:1px solid #4c493f}.side-links a{display:block;padding:13px 2px;color:var(--ink);font-size:15px;line-height:1.65;text-decoration:none}.side-links a:hover{color:var(--gold-light);text-decoration:underline}.breadcrumbs{width:min(1180px,calc(100% - 48px));margin:24px auto 0;color:var(--muted);font-size:14px}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:5px 10px;margin:0;padding:0;list-style:none}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:10px;color:#817b6d}.article-header{width:min(1180px,calc(100% - 48px));margin:44px auto 0}.article-header .page-heading{max-width:940px;margin:0}.mobile-toc{display:none}.toc-disclosure{padding:0;overflow:hidden}.toc-disclosure summary{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:54px;padding:13px 16px;cursor:pointer;font-size:19px;font-weight:700;list-style:none}.toc-disclosure summary::-webkit-details-marker{display:none}.toc-disclosure summary::after{content:"＋";display:grid;place-items:center;width:30px;height:30px;color:#191a17;background:var(--gold);border-radius:50%;font-family:sans-serif;font-size:20px;line-height:1}.toc-disclosure[open] summary::after{content:"−"}.toc-disclosure summary:hover{background:#343226}.toc{padding:0 16px 18px}.toc ul{margin:0;padding:0;list-style:none}.toc li+li{margin-top:8px}.toc a{display:block;font-size:14px;line-height:1.6}.toc .toc-h3{padding-left:14px}.article-list-wrap{width:min(900px,calc(100% - 48px));margin:0 auto 96px}.article-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.article-list li{border-bottom:1px solid var(--line)}.article-list a{display:block;padding:24px 8px;color:var(--ink);font-size:18px;font-weight:700;text-decoration:none}.article-list a:hover{color:var(--gold-light);background:rgba(255,255,255,.035)}main>.page-heading{width:min(900px,calc(100% - 48px));margin:44px auto 36px}.about-list{display:grid;grid-template-columns:150px 1fr;margin:24px 0 40px;border-top:1px solid var(--line)}.about-list dt,.about-list dd{margin:0;padding:16px;border-bottom:1px solid var(--line)}.about-list dt{color:#211f18;font-weight:700;background:var(--gold-light)}
.footer{color:var(--ink);background:#111310;border-top:1px solid #55492e}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;width:min(1180px,calc(100% - 48px));min-height:150px;margin:auto}.footer .logo img{width:240px}.footer-nav{display:flex;flex-wrap:wrap;gap:8px 24px}.footer-nav a{color:var(--ink)}.copyright{padding:16px 24px;color:var(--muted);background:#0c0d0b;text-align:center;font-size:13px}
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@media(max-width:520px){.header-inner{min-height:78px}.logo img{width:180px}.menu-toggle-label{font-size:14px}.hero{height:240px}.subhero{height:130px}.article>h1,.page-heading{font-size:30px}.article h2{font-size:23px;line-height:1.45}.article h2::before{flex-basis:54px;width:54px;height:54px}.company-info-block{padding:18px}.about-list{grid-template-columns:1fr}.about-list dt{padding-bottom:7px;border-bottom:0}.about-list dd{padding-top:7px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important}}