/* 機械設計ポータル 試作版 v0.1 - standalone */
:root{color-scheme:light;--bg:#f5f7fa;--surface:#fff;--text:#203042;--muted:#526477;--border:#dbe3eb;--brand:#174e79;--brand2:#12658b;--accent:#dceef4;--soft:#eef4f8;--shadow:0 2px 14px rgba(31,62,83,.055);--radius:13px}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:15px;line-height:1.85}a{color:var(--brand);text-underline-offset:3px}a:hover{color:#1077ab}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #f0a243;outline-offset:3px}button,input{font:inherit}button{cursor:pointer}h1,h2,h3{line-height:1.4;letter-spacing:.01em}h1{font-size:clamp(1.7rem,3vw,2.35rem);margin:.35em 0 .45em}h2{font-size:1.36rem;margin:.25em 0 .65em}h3{font-size:1.07rem;margin:.1em 0 .55em}p{margin:.45em 0 1.1em}.skip{position:absolute;left:-9999px;top:auto}.skip:focus{left:1rem;top:1rem;background:#fff;padding:8px 14px;z-index:50}.wrap{width:min(1080px,calc(100% - 36px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;flex-wrap:wrap;padding:10px 0}.brand{font-weight:750;letter-spacing:.03em;color:#173d5c;text-decoration:none;font-size:1.04rem}.brand small{display:block;font-weight:500;color:var(--muted);letter-spacing:0;font-size:.7rem}.site-nav{display:flex;flex-wrap:wrap;gap:6px 17px;font-size:.87rem}.site-nav a{font-weight:600;text-decoration:none}.site-nav a[aria-current="page"]{border-bottom:2px solid var(--brand);color:var(--text)}.intro{padding:36px 0 14px}.eyebrow{color:var(--brand2);font-weight:700;letter-spacing:.09em;font-size:.76rem}.lead{font-size:1rem;color:var(--muted);max-width:880px}.pill{display:inline-flex;align-items:center;gap:.35em;border:1px solid #c6d7e2;background:var(--accent);color:#174765;border-radius:50px;font-size:.78rem;font-weight:650;padding:3px 10px;margin-right:6px}.crumb{padding-top:23px;font-size:.82rem;color:var(--muted)}.crumb a{font-weight:600}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:23px 26px;margin:18px 0;box-shadow:var(--shadow)}.soft{background:var(--soft)}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:21px 0}.feature{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;box-shadow:var(--shadow)}.feature a{font-weight:750;text-decoration:none;font-size:1.08rem}.feature p{color:var(--muted);font-size:.92rem;margin:10px 0 17px;flex:1}.feature .minor{font-size:.75rem;color:#506779;margin-bottom:10px}.feature .go{font-weight:700;font-size:.9rem}.button,.button-muted{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;border:1px solid var(--brand);min-height:40px;padding:7px 14px;font-weight:700;font-size:.89rem;text-decoration:none;line-height:1.35;background:var(--brand);color:#fff}.button:hover{color:#fff;background:#0d3653}.button-muted{background:#fff;color:var(--brand);border-color:#c4d6e2}.button-muted:hover{background:var(--soft);color:var(--brand)}.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.note{background:#fff8e9;border-left:4px solid #d99f42;padding:15px 18px;border-radius:6px;color:#4b4d42}.muted{color:var(--muted)}.small{font-size:.84rem}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.list-clean{padding-left:1.4em}.list-clean li{margin:.25em 0}.item-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.item{border:1px solid var(--border);border-radius:10px;padding:14px 17px;background:#fff}.item h3{margin:0 0 5px}.item p{color:var(--muted);font-size:.9rem;margin:0}.pending{background:#f5f6f8;border:1px dashed #c6d1da}.pending .status{font-weight:700;font-size:.71rem;color:#586b7d;margin-left:8px;white-space:nowrap}.tagline{font-size:.83rem;color:var(--muted)}.subnav{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.subnav a{font-size:.8rem;text-decoration:none;border:1px solid var(--border);border-radius:25px;background:white;padding:3px 12px}.site-footer{margin-top:48px;border-top:1px solid var(--border);background:#fff;color:var(--muted);font-size:.81rem;padding:21px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.footer-inner p{margin:0}.page-end{margin-top:25px}.check-toolbar{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin:15px 0}.check-toolbar input{border:1px solid #b7cad8;border-radius:9px;min-height:41px;padding:8px 12px;flex:1 1 220px;min-width:120px;background:white}.check-toolbar button[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:white}.progress-row{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.progress{width:100%;height:12px;appearance:none;-webkit-appearance:none;border:none;background:#deebf0;border-radius:12px;overflow:hidden}.progress::-webkit-progress-bar{background:#deebf0}.progress::-webkit-progress-value{background:#277e7e}.progress::-moz-progress-bar{background:#277e7e}.review-list{list-style:none;padding:0;margin:0}.review-list li{padding:12px 0;border-top:1px solid var(--border)}.review-list li[hidden]{display:none}.check-label{display:flex;align-items:flex-start;gap:10px;font-weight:650;line-height:1.6;cursor:pointer}.check-label input{margin:5px 0 0;flex:0 0 auto;width:18px;height:18px;accent-color:#147e76}.review-list .why{margin:2px 0 0 29px;font-size:.85rem;color:var(--muted)}.review-list li.checked .check-label span{text-decoration:line-through;color:#63827b}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:14px}.section-count{white-space:nowrap;font-size:.83rem;color:var(--muted)}.no-results{margin:14px 0;padding:12px;color:var(--muted)}.clock{font-variant-numeric:tabular-nums;white-space:nowrap}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:740px){.header-inner{align-items:flex-start}.site-nav{gap:8px 12px}.feature-grid{grid-template-columns:1fr}.two-col,.item-grid{grid-template-columns:1fr}.panel{padding:18px}.wrap{width:min(1080px,calc(100% - 26px))}.intro{padding-top:24px}.feature{padding:19px}.check-toolbar{gap:8px}}@media(min-width:741px) and (max-width:960px){.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media print{.site-header,.site-footer,.check-toolbar,.subnav,.page-end,.skip{display:none!important}body{background:#fff;color:#111;font-size:11pt}.wrap{width:100%}.panel{box-shadow:none;break-inside:avoid;border-color:#ccc}.review-list li{break-inside:avoid}.intro{padding:0}.note{background:#fff;border-color:#bbb}.progress-row{display:none}}