:root{color-scheme:light;--background:#f3f3f1;--surface:#fff;--surface-muted:#eef2f6;--border:#d8dee7;--text:#142033;--muted:#5f6b7a;--accent:#0f766e;--accent-strong:#115e59;--danger:#b42318;--warning:#a15c07;--ok:#047857}*{box-sizing:border-box}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}body{margin:0;background:radial-gradient(circle at 78% 18%,hsla(0,0%,100%,.86) 0,hsla(0,0%,100%,.48) 18%,hsla(0,0%,100%,0) 38%),radial-gradient(circle at 14% 12%,hsla(0,0%,100%,.78) 0,hsla(0,0%,100%,0) 32%),linear-gradient(135deg,#f7f7f5,#eeeeeb 48%,#f8f8f6);background-attachment:fixed;color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6}a{color:var(--accent-strong);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{background:transparent;border-bottom:0}.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}.brand{display:grid;grid-gap:2px;gap:2px;color:var(--text)}.brand strong{font-family:Yu Gothic,YuGothic,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,system-ui,sans-serif;font-size:clamp(20px,2vw,25px);font-weight:900;line-height:1.2}.brand span{color:var(--muted);font-size:13px}.nav{display:flex;flex-wrap:wrap;gap:12px}.main{padding:36px 0 56px}.site-footer{border-top:1px solid rgba(20,32,51,.08);background:transparent}.site-footer-inner{display:grid;grid-gap:8px;gap:8px;padding:18px 0 24px;color:#7b8490;font-size:12px;line-height:1.7}.site-footer-inner p{margin:0}.hero{display:grid;grid-gap:12px;gap:12px;margin-bottom:28px}.hero h1{margin:0;font-size:clamp(28px,4vw,42px);line-height:1.2}.hero p{max-width:760px;margin:0;color:var(--muted)}.home-hero{margin-bottom:18px}.eyebrow{margin:0;color:var(--accent-strong);font-size:14px;font-weight:800}.notice{padding:14px 16px;border:1px solid #b8d7d3;border-radius:8px;background:#effaf8;color:#164e49}.notice-prominent{display:flex;gap:14px;align-items:flex-start;border-color:rgba(15,118,110,.22);background:hsla(0,0%,100%,.66);color:var(--text)}.notice-icon{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;width:38px;height:38px;border-radius:999px;background:#e6f3f1;color:var(--accent-strong);font-size:20px;font-weight:900;line-height:1}.notice-content{display:grid;grid-gap:6px;gap:6px}.notice-content strong{font-size:16px}.notice-content p{margin:0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:14px;gap:14px}.region-picker{display:grid;grid-template-columns:260px 1fr;grid-gap:20px;gap:20px;align-items:start;margin-top:28px;padding:26px;border:1px solid var(--border);border-radius:8px;background:#fff}.seo-section{margin-top:32px;padding:28px 0 4px;border-top:1px solid rgba(20,32,51,.1);color:var(--text)}.seo-section h2{margin:0 0 10px;font-size:22px;line-height:1.35}.seo-section>p{max-width:860px;margin:0;color:var(--muted)}.faq-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:14px;gap:14px;margin-top:18px}.faq-item{padding:16px;border:1px solid rgba(20,32,51,.1);border-radius:8px;background:hsla(0,0%,100%,.56)}.faq-item h3{margin:0 0 8px;font-size:16px;line-height:1.45}.faq-item p{margin:0;color:var(--muted);font-size:14px}.region-picker-menu{display:grid;grid-gap:10px;gap:10px}.region-picker-button{--region-color:var(--accent);display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-height:50px;padding:10px 12px;border:2px solid var(--border);border-radius:8px;background:#fff;color:var(--text);cursor:pointer;font-weight:800;text-align:left}.region-picker-button small{color:var(--muted);font-size:12px;font-weight:700;white-space:nowrap}.region-picker-button.is-selected,.region-picker-button:hover{border-color:var(--accent);background:#effaf8}.region-prefecture-panel{--region-color:var(--accent);border:3px solid var(--region-color);border-radius:8px;background:#fff;box-shadow:0 10px 24px rgba(20,32,51,.07);overflow:hidden}.region-panel-header{padding:18px 20px;border-bottom:1px solid color-mix(in srgb,var(--region-color),#fff 62%);background:color-mix(in srgb,var(--region-color),#fff 93%)}.region-panel-header p{margin:0 0 4px;color:var(--muted);font-size:13px;font-weight:800}.region-panel-header h2{margin:0;color:color-mix(in srgb,var(--region-color),#111827 28%);font-size:26px;line-height:1.2}.prefecture-link-list{display:grid;grid-template-columns:1fr}.prefecture-link-row{display:grid;grid-template-columns:minmax(92px,1.1fr) minmax(104px,.9fr) minmax(260px,1.7fr) auto;align-items:center;grid-gap:14px;gap:14px;min-height:62px;padding:12px 14px;border-bottom:1px solid color-mix(in srgb,var(--region-color),#fff 78%);color:var(--text)}.prefecture-link-row:hover{background:color-mix(in srgb,var(--region-color),#fff 92%)}.prefecture-row-name{font-size:17px}.prefecture-row-detail,.prefecture-row-official a{display:inline-flex;align-items:center;justify-content:center;width:-moz-fit-content;width:fit-content;min-height:34px;padding:6px 10px;border:1px solid color-mix(in srgb,var(--region-color),#fff 35%);border-radius:8px;background:#fff;color:color-mix(in srgb,var(--region-color),#111827 22%);font-size:14px;font-weight:800;line-height:1.2;text-decoration:none}.prefecture-row-detail:hover,.prefecture-row-official a:hover{background:color-mix(in srgb,var(--region-color),#fff 88%);text-decoration:none}.prefecture-row-official span{color:var(--muted);font-size:13px}.prefecture-row-formats{display:flex;flex-wrap:wrap;align-items:center;gap:7px}.format-label{color:var(--muted)}.format-chip,.format-label{font-size:13px;font-weight:800}.format-chip{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:74px;min-height:34px;padding:5px 8px;border:1px solid #d8dee7;border-radius:7px;background:#fff;color:var(--text);line-height:1;text-decoration:none}.format-chip:hover{filter:brightness(.95);text-decoration:none}.format-file-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:24px;border:1px solid;border-radius:3px;background:hsla(0,0%,100%,.18);font-size:9px;font-weight:900;letter-spacing:0;line-height:1;position:relative}.format-file-icon:after{content:"";position:absolute;right:-1px;top:-1px;width:7px;height:7px;border-left:1px solid;border-bottom:1px solid;background:hsla(0,0%,100%,.36)}.format-chip-text{line-height:1}.format-excel{border-color:#1f7a45;background:#1f7a45;color:#fff}.format-word{border-color:#2f5fa8;background:#2f5fa8;color:#fff}.format-pdf{border-color:#b64038;background:#b64038;color:#fff}.format-chip.is-disabled{border:1px solid var(--border);background:#f3f6f9;color:#8a95a3;filter:none}.format-chip.is-disabled .format-file-icon{color:#a4adba;background:#fff}.region-hokkaido{--region-color:#37539f}.region-tohoku{--region-color:#4aa7d8}.region-kanto{--region-color:#35aa9f}.region-chubu{--region-color:#21a663}.region-kinki{--region-color:#70b62c}.region-chugoku{--region-color:#f2aa00}.region-shikoku{--region-color:#f05a28}.region-kyushu{--region-color:#ef7891}.card{display:grid;grid-gap:10px;gap:10px;min-height:148px;padding:16px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.card h2,.card h3{margin:0;font-size:18px}.meta{font-size:14px}.meta,.status{color:var(--muted)}.status{width:-moz-fit-content;width:fit-content;max-width:100%;padding:4px 9px;border-radius:999px;border:1px solid var(--border);background:var(--surface-muted);font-size:13px;line-height:1.3}.status-ok{border-color:#a7f3d0;background:#ecfdf5;color:var(--ok)}.status-warning{border-color:#fed7aa;background:#fff7ed;color:var(--warning)}.status-danger{border-color:#fecaca;background:#fef2f2;color:var(--danger)}.panel{padding:20px}.details,.panel{border:1px solid var(--border);border-radius:8px;background:var(--surface)}.details{display:grid;grid-gap:0;gap:0;overflow:hidden}.details-row{display:grid;grid-template-columns:220px 1fr;grid-gap:18px;gap:18px;padding:14px 16px;border-bottom:1px solid var(--border)}.details-row:last-child{border-bottom:0}.details-label{font-weight:700}.details-label,.empty{color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:10px}.actions,.button{align-items:center}.button{display:inline-flex;justify-content:center;min-height:40px;padding:8px 14px;border:1px solid var(--accent);border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;font-weight:700}.button:hover{background:var(--accent-strong);text-decoration:none}.button-secondary{border-color:var(--border);background:var(--surface);color:var(--text)}.button-secondary:hover{background:var(--surface-muted)}.form{display:grid;grid-gap:16px;gap:16px}.field{display:grid;grid-gap:6px;gap:6px}.field label{font-weight:700}.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text)}.field textarea{min-height:100px;resize:vertical}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px;gap:16px}.check-result{display:grid;grid-gap:12px;gap:12px;padding:16px;border:1px solid var(--border);border-radius:8px;background:#fbfcfe}.link-list{display:grid;grid-gap:8px;gap:8px;margin:0;padding-left:18px}.table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden}.table td,.table th{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.table th{background:var(--surface-muted)}@media (max-width:720px){.details-row,.form-grid,.site-header-inner{grid-template-columns:1fr}.site-header-inner{display:grid;padding:14px 0}.details-row{gap:4px}.region-picker{grid-template-columns:1fr;padding:16px}.region-picker-menu{grid-template-columns:repeat(2,minmax(0,1fr))}.region-picker-button{display:grid;min-height:58px}.region-picker-button small{white-space:normal}.prefecture-link-row{grid-template-columns:1fr;align-items:start;gap:8px;padding:14px}.prefecture-row-formats{gap:6px}}