*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
body{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
:focus-visible{outline:3px solid currentColor;outline-offset:2px}

body{font-family:var(--ff-body);background:var(--bg);color:var(--ink);line-height:1.85;font-size:16px}
.shell{position:relative}
.page-main{max-width:var(--maxw);margin:0 auto;padding:72px 24px 84px}
.page-head{margin-bottom:44px}
.eyebrow{font-family:var(--ff-disp);letter-spacing:.24em;font-size:12px;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
.page-head h1{font-family:var(--ff-disp);font-weight:700;font-size:clamp(28px,5vw,46px);line-height:1.24;letter-spacing:.01em;margin-bottom:18px}
.lead{color:var(--muted);font-size:17px;max-width:62ch}
.block{margin:0 0 52px}
.block h2{font-family:var(--ff-disp);font-weight:700;font-size:clamp(21px,3.3vw,30px);margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--line)}
.block p{margin-bottom:15px}
.block.has-img{display:grid;grid-template-columns:1.25fr .9fr;gap:38px;align-items:center}
.block.has-img h2{border:none;padding:0}
.block-fig img{border-radius:var(--radius);width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:0 18px 40px -24px rgba(0,0,0,.4)}
@media(max-width:760px){.block.has-img{grid-template-columns:1fr;gap:22px}}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;font:inherit;font-weight:600;color:var(--ink);padding:20px 44px 20px 0;position:relative;display:block}
.faq-mark{position:absolute;right:6px;top:50%;width:14px;height:14px;transform:translateY(-50%)}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;background:var(--accent);transition:.3s}
.faq-mark::before{top:6px;left:0;width:14px;height:2px}
.faq-mark::after{top:0;left:6px;width:2px;height:14px}
.faq-item.open .faq-mark::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 0 20px;color:var(--muted)}
.sitemap-page .sitemap-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.sitemap-list a{display:block;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;transition:.25s}
.sitemap-list a:hover{transform:translateY(-3px);border-color:var(--accent)}
.sitemap-list span{display:block;font-weight:700;font-family:var(--ff-disp)}
.sitemap-list small{color:var(--muted);font-size:12px}
.site-footer{background:var(--foot-bg);color:var(--foot-fg);margin-top:72px}
.site-footer ul{list-style:none}
.site-footer a{color:inherit;opacity:.82;transition:.2s}
.site-footer a:hover{opacity:1;color:var(--accent2)}
.site-footer .ft-name{font-family:var(--ff-disp);font-weight:700}
.site-footer .ft-tag{opacity:.7;font-size:14px}
.site-footer .ft-addr{opacity:.6;font-size:13px}
.site-footer .ft-copy{font-size:12px;opacity:.55}
/* columns */
.ft-columns .ft-in{max-width:var(--maxw);margin:0 auto;padding:56px 24px 26px;display:grid;grid-template-columns:1.6fr 1fr;gap:34px}
.ft-columns .ft-name{font-size:20px;margin-bottom:8px}
.ft-columns .ft-addr{margin-top:12px}
.ft-columns .ft-nav ul{display:flex;flex-direction:column;gap:10px;font-size:14px}
.ft-columns .ft-copy{text-align:center;padding:16px;border-top:1px solid rgba(255,255,255,.12)}
@media(max-width:760px){.ft-columns .ft-in{grid-template-columns:1fr;gap:22px}}
/* centered */
.ft-centered .ft-in{max-width:760px;margin:0 auto;padding:60px 24px 24px;text-align:center}
.ft-centered .ft-name{font-size:26px;margin-bottom:10px}
.ft-centered .ft-tag{margin-bottom:22px}
.ft-centered .ft-nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;font-size:14px;margin-bottom:20px}
.ft-centered .ft-addr{margin-bottom:6px}
.ft-centered .ft-copy{text-align:center;padding:16px;border-top:1px solid rgba(255,255,255,.12)}
/* split */
.ft-split .ft-in{max-width:var(--maxw);margin:0 auto;padding:64px 24px 30px;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.ft-split .ft-brand{max-width:46%}
.ft-split .ft-name{font-size:30px;margin-bottom:10px}
.ft-split .ft-addr{margin-top:14px}
.ft-split .ft-nav ul{display:grid;grid-template-columns:1fr 1fr;gap:10px 30px;font-size:14px;text-align:right}
.ft-split .ft-copy{padding:16px 24px;border-top:1px solid rgba(255,255,255,.12);max-width:var(--maxw);margin:0 auto}
@media(max-width:760px){.ft-split .ft-brand{max-width:100%}.ft-split .ft-nav ul{text-align:left}}
/* inline */
.ft-inline{border-top:3px solid var(--accent)}
.ft-inline .ft-in{max-width:var(--maxw);margin:0 auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.ft-inline .ft-name{font-size:18px}
.ft-inline .ft-nav ul{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13.5px}
/* bigtype */
.ft-bigtype .ft-in{max-width:var(--maxw);margin:0 auto;padding:64px 24px 34px}
.ft-bigtype .ft-name{font-size:clamp(38px,8vw,82px);line-height:1;letter-spacing:-.02em;margin-bottom:12px}
.ft-bigtype .ft-tag{margin-bottom:24px}
.ft-bigtype .ft-nav ul{display:flex;flex-wrap:wrap;gap:6px 22px;font-size:14px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);margin-bottom:16px}
/* band */
.ft-band-top{background:var(--accent);color:var(--foot-bg)}
.ft-band-top p{max-width:var(--maxw);margin:0 auto;padding:20px 24px;font-family:var(--ff-disp);font-weight:700;font-size:clamp(16px,2.6vw,22px)}
.ft-band .ft-in{max-width:var(--maxw);margin:0 auto;padding:40px 24px 18px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.ft-band .ft-name{font-size:20px}
.ft-band .ft-nav ul{display:flex;flex-wrap:wrap;gap:8px}
.ft-band .ft-nav a{display:inline-block;padding:7px 14px;border-radius:30px;background:rgba(255,255,255,.08);font-size:13px;opacity:1}
.ft-band .ft-nav a:hover{background:var(--accent);color:var(--foot-bg)}
.ft-band .ft-copy{text-align:center;padding:14px}
/* card */
.ft-card .ft-in{max-width:760px;margin:0 auto;padding:54px 24px 18px}
.ft-card-box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:34px 30px;text-align:center}
.ft-card .ft-name{font-size:22px;margin-bottom:8px}
.ft-card .ft-tag{margin-bottom:20px}
.ft-card .ft-nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;font-size:14px}
.ft-card .ft-copy{text-align:center;padding:16px}
/* stack2 */
.ft-stack2 .ft-row{border-bottom:1px solid rgba(255,255,255,.12)}
.ft-stack2 .ft-row ul{max-width:var(--maxw);margin:0 auto;padding:26px 24px;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;font-size:14.5px}
.ft-stack2 .ft-in{max-width:var(--maxw);margin:0 auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.ft-stack2 .ft-name{font-size:18px}
/* rail */
.ft-rail .ft-in{max-width:var(--maxw);margin:0 auto;padding:0;display:grid;grid-template-columns:300px 1fr}
.ft-rail .ft-rail-brand{background:rgba(255,255,255,.05);border-right:3px solid var(--accent);padding:46px 30px}
.ft-rail .ft-name{font-size:22px;margin-bottom:10px}
.ft-rail .ft-addr{margin-top:14px}
.ft-rail .ft-nav{padding:46px 30px;display:flex;align-items:center}
.ft-rail .ft-nav ul{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;font-size:14.5px}
.ft-rail .ft-copy{text-align:center;padding:16px;border-top:1px solid rgba(255,255,255,.12)}
@media(max-width:760px){.ft-rail .ft-in{grid-template-columns:1fr}.ft-rail .ft-rail-brand{border-right:none;border-bottom:3px solid var(--accent)}}
/* chips */
.ft-chips .ft-in{max-width:820px;margin:0 auto;padding:56px 24px 20px;text-align:center}
.ft-chips .ft-name{font-size:22px;margin-bottom:18px}
.ft-chips .ft-nav ul{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:18px}
.ft-chips .ft-nav a{display:inline-block;padding:8px 16px;border:1px solid rgba(255,255,255,.22);border-radius:30px;font-size:13px;opacity:1}
.ft-chips .ft-nav a:hover{border-color:var(--accent);background:var(--accent);color:var(--foot-bg)}
.ft-chips .ft-addr{font-size:13px}
.ft-chips .ft-copy{text-align:center;padding:16px}
.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;opacity:0;pointer-events:none;transform:translateY(12px);transition:.3s;z-index:60;box-shadow:0 8px 20px -8px rgba(0,0,0,.5)}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.burger{display:none;width:42px;height:42px;background:none;border:none;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:8px}
.burger span{display:block;height:2px;background:currentColor;transition:.3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{display:none}


:root{
  --bg:#f1f7f3;--ink:#0f2418;--accent:#1ba85c;--accent2:#1f8fff;--soft:#e4f1ea;
  --line:#cfe7da;--muted:#4f655a;--foot-bg:#0f2a1c;--foot-fg:#e7f4ec;
  --ff-disp:'Saira',sans-serif;--ff-body:'Noto Sans JP',sans-serif;
  --maxw:1000px;--radius:14px;--exp:70px;
}
.exp{position:fixed;top:0;left:0;bottom:0;width:var(--exp);background:var(--foot-bg);color:#e7f4ec;display:flex;flex-direction:column;padding:14px 0;z-index:80;transition:width .3s;overflow:hidden}
.exp:hover{width:230px}
.exp-logo{display:flex;align-items:center;gap:12px;padding:10px 0 10px 20px;color:var(--accent);white-space:nowrap;margin-bottom:8px}
.exp-logo .eb{font-size:22px}
.exp-logo .el{font-family:var(--ff-disp);font-weight:700;font-size:17px;color:#e7f4ec;opacity:0;transition:.2s}
.exp:hover .el{opacity:1}
.exp-nav{flex:1}
.exp-nav ul{display:flex;flex-direction:column;gap:4px}
.exp-nav a{display:flex;align-items:center;gap:14px;padding:12px 0 12px 22px;color:rgba(231,244,236,.8);white-space:nowrap;transition:.2s}
.exp-nav a:hover,.exp-nav li.is-active a{color:#fff;background:rgba(255,255,255,.06)}
.exp-nav .eb{width:26px;text-align:center;flex-shrink:0;font-family:var(--ff-disp);font-weight:700;color:var(--accent)}
.exp-nav li.is-active .eb{color:var(--accent)}
.exp-nav .el{opacity:0;transition:.2s}
.exp:hover .el{opacity:1}
.shell{margin-left:var(--exp)}
.bt-hero{background:linear-gradient(135deg,var(--foot-bg),#124a2e);color:#eafaef;padding:80px 24px}
.bt-hero .in{max-width:var(--maxw);margin:0 auto;display:block}
.bt-hero .k{font-family:var(--ff-disp);letter-spacing:.2em;color:var(--accent);margin-bottom:14px}
.bt-hero h1{font-family:var(--ff-disp);font-weight:700;font-size:clamp(28px,4.4vw,44px);line-height:1.34;margin-bottom:16px;word-break:keep-all;overflow-wrap:anywhere}
.bt-hero p{color:rgba(234,250,239,.86);line-height:1.9}
.gauge{justify-self:center;width:180px;height:180px;border-radius:50%;background:conic-gradient(var(--accent) 0 82%,rgba(255,255,255,.12) 82% 100%);display:flex;align-items:center;justify-content:center}
.gauge .in2{width:138px;height:138px;border-radius:50%;background:var(--foot-bg);display:flex;flex-direction:column;align-items:center;justify-content:center}
.gauge .pct{font-family:var(--ff-disp);font-weight:700;font-size:40px}
.gauge .lb{font-size:12px;color:rgba(234,250,239,.7)}
.bt-tips{max-width:var(--maxw);margin:0 auto;padding:80px 24px}
.bt-tips h2{font-family:var(--ff-disp);font-weight:700;font-size:clamp(22px,3.4vw,30px);margin-bottom:8px}
.bt-tips .sub{color:var(--muted);margin-bottom:30px}
.tg{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.tgc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;border-top:4px solid var(--accent)}
.tgc h3{font-family:var(--ff-disp);font-weight:700;font-size:18px;margin-bottom:8px;color:var(--ink)}
.tgc p{color:var(--muted);font-size:14.5px}
@media(max-width:820px){.exp{width:auto;left:0;right:0;bottom:auto;height:54px;flex-direction:row;align-items:center;padding:0 16px}.exp:hover{width:auto}.exp-nav{display:none}.exp-logo{margin:0 auto 0 0;padding:0}.exp-logo .el,.exp .el{opacity:1}.burger{display:flex;color:#e7f4ec;margin-left:auto}.drawer.open{display:block;position:fixed;top:54px;left:0;right:0;background:var(--foot-bg);z-index:79}.drawer.open ul{flex-direction:column;padding:8px 16px 14px}.drawer.open a{display:block;padding:10px 0;color:#e7f4ec;border-top:1px solid rgba(255,255,255,.12)}.shell{margin-left:0;padding-top:54px}.tg{grid-template-columns:1fr}}

/* ===== additions: 画面が暗い解決ナビ ===== */
/* hero illustration */
.hero-fig{justify-self:center;width:100%;max-width:320px}
.hero-fig img{width:100%;height:auto;border-radius:var(--radius);box-shadow:0 22px 46px -26px rgba(0,0,0,.55)}
@media(max-width:820px){.hero-fig{max-width:240px}}
/* in-text links */
.block a,.lead a{color:var(--accent);font-weight:500;border-bottom:1px solid rgba(27,168,92,.35);transition:.2s}
.block a:hover,.lead a:hover{border-bottom-color:var(--accent)}
.tgc h3 a{color:var(--ink)}
.tgc h3 a:hover{color:var(--accent)}
/* page pager */
.page-pager{display:flex;justify-content:space-between;gap:16px;margin-top:8px;padding-top:26px;border-top:1px solid var(--line)}
.page-pager a{font-family:var(--ff-disp);font-weight:600;color:var(--accent);background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:12px 18px;transition:.2s}
.page-pager a:hover{transform:translateY(-2px);border-color:var(--accent)}
.page-pager .pg-next{margin-left:auto}
/* sitemap: list form (override card grid) */
.sitemap-page .sitemap-list{display:block;grid-template-columns:none;gap:0;border-top:1px solid var(--line)}
.sitemap-page .sitemap-list li{border-bottom:1px solid var(--line)}
.sitemap-page .sitemap-list a{display:block;background:none;border:none;border-radius:0;padding:20px 4px;transition:.2s}
.sitemap-page .sitemap-list a:hover{transform:none;background:var(--soft)}
.sitemap-page .sitemap-list span{display:block;font-weight:700;font-family:var(--ff-disp);font-size:18px;color:var(--ink);margin-bottom:4px}
.sitemap-page .sitemap-list a:hover span{color:var(--accent)}
.sitemap-page .sitemap-list small{display:block;color:var(--muted);font-size:14px;line-height:1.7}