:root{--bg:#eef4f3;--card:#fff;--ink:#243130;--muted:#63716f;--accent:#0e8f7e;--accent-deep:#0a6b5e;--accent-soft:#d9f0eb;--line:#d4dddb;--gold:#d59a17}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",YuGothic,Meiryo,"Segoe UI",sans-serif;line-height:1.75;-webkit-text-size-adjust:100%}
a{color:#087064;text-underline-offset:3px}.skip-link{position:fixed;z-index:20;top:-80px;left:12px;padding:9px 13px;background:#fff;border:2px solid var(--accent-deep);border-radius:8px}.skip-link:focus{top:8px}.guide-site-header{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px max(18px,calc((100vw - 1040px)/2));background:#fff;border-bottom:1px solid var(--line)}
.guide-brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.guide-brand img{width:42px;height:42px;object-fit:contain}.guide-brand span{display:flex;flex-direction:column;line-height:1.2}.guide-brand strong{font-size:16px}.guide-brand small{font-size:11px;color:var(--muted)}.guide-header-link,.guide-cta{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:999px;background:var(--accent-deep);color:#fff;text-decoration:none;font-weight:800;text-align:center}
.guide-main{width:min(980px,calc(100% - 32px));margin:0 auto;padding:22px 0 64px}.breadcrumb ol{display:flex;flex-wrap:wrap;gap:7px;margin:0;padding:0;list-style:none;font-size:13px;color:var(--muted)}.breadcrumb li+li::before{content:"›";margin-right:7px}.operationDisclosure{margin:15px 0 10px;color:var(--muted);font-size:13px}
.guide-document{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:0 8px 28px rgba(26,52,48,.08);overflow:hidden}.guide-title{padding:clamp(26px,5vw,54px);background:linear-gradient(145deg,#fff,var(--accent-soft))}.eyebrow{margin:0 0 5px;color:var(--accent-deep);font-weight:800;font-size:13px;letter-spacing:.08em}.guide-title h1{max-width:780px;margin:0 0 14px;font-size:clamp(27px,4vw,42px);line-height:1.3;color:var(--accent-deep)}.guide-title>p:not(.eyebrow){max-width:800px}.guide-title .guide-cta{margin-top:12px}
.guide-document>section{padding:28px clamp(20px,5vw,54px);border-top:1px solid var(--line)}.guide-document h2{margin:0 0 13px;font-size:clamp(22px,3vw,29px);line-height:1.4;color:var(--accent-deep)}.guide-document h3{margin:22px 0 5px;font-size:18px}.guide-document p{margin:8px 0}.guide-document ul,.guide-document ol{padding-left:1.45em}.guide-document li+li{margin-top:6px}.guide-caution{background:#fffaf0}.guide-caution h2{color:#725310}.faq-list>section{padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:#fbfdfc}.faq-list>section+section{margin-top:11px}.faq-list h3{margin:0 0 4px;color:var(--accent-deep)}
.guide-document-footer{padding:30px clamp(20px,5vw,54px);border-top:1px solid var(--line);text-align:center}.guide-document-footer p{margin:18px auto 0;max-width:720px;color:var(--muted)}button:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
@media(max-width:560px){.guide-site-header{padding-inline:12px}.guide-brand strong{font-size:14px}.guide-brand small{font-size:10px}.guide-header-link{min-height:44px;padding-inline:13px;font-size:13px}.guide-main{width:min(100% - 24px,980px);padding-top:15px}.guide-document{border-radius:16px}.guide-title,.guide-document>section,.guide-document-footer{padding-left:18px;padding-right:18px}.guide-title h1{overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}