/* forms.syojin.com. Plain, readable, mobile first. One accent colour. Excel preview rules copied from work1ng/static/site.css. */
:root { --ink: #16212c; --sub: #4a5866; --line: #dfe5ea; --band: #f4f7f9; --accent: #0f5c8c; --accent-2: #e8f1f7; --mark: #fff1b8; --r: 6px; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 72px; }
body { margin: 0; background: #fff; color: var(--ink); font: 17px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; overflow-wrap: anywhere; }
a { color: var(--accent); }
img, svg { max-width: 100%; height: auto; }
.w { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 768px) { .w { padding: 0 28px; } }

.hdr { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, .97); border-bottom: 1px solid var(--line); }
.hdr-in { display: flex; align-items: center; gap: 16px; min-height: 56px; }
.logo { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 18px; margin-right: auto; }
.nav { display: none; }
.nav ul { display: flex; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav a { display: block; padding: 6px 10px; border-radius: var(--r); color: var(--sub); font-size: 15px; font-weight: 600; text-decoration: none; }
.nav a:hover { background: var(--band); color: var(--accent); }
@media (min-width: 900px) { .nav { display: block; } }

.hero { background: var(--band); border-bottom: 1px solid var(--line); padding: 36px 0 30px; }
.hero h1 { margin: 0 0 12px; font-size: 27px; line-height: 1.3; }
.hero p { margin: 0; max-width: 760px; color: var(--sub); }
@media (min-width: 768px) { .hero { padding: 56px 0 44px; } .hero h1 { font-size: 36px; } }
.sec-h { margin: 36px 0 6px; font-size: 22px; }
.sec-p { margin: 0 0 16px; color: var(--sub); }
.cards { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
@media (min-width: 900px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card a { display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 18px; border: 1px solid var(--line); border-radius: var(--r); color: var(--ink); text-decoration: none; }
.card a:hover { border-color: var(--accent); }
.card-k { color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .02em; }
.card-t { font-weight: 700; font-size: 18px; line-height: 1.35; }
.card-d { color: var(--sub); font-size: 15px; }
.card-go { margin-top: auto; color: var(--accent); font-weight: 700; font-size: 15px; }
.note { margin: 28px 0 40px; padding: 14px 16px; background: var(--band); border-left: 4px solid var(--accent); border-radius: var(--r); font-size: 15px; }
.note p { margin: 0; }

.page { padding: 18px 16px 48px; }
.narrow { max-width: 820px; }
.crumb { font-size: 14px; color: var(--sub); margin-bottom: 10px; }
.cols { display: grid; gap: 32px; }
@media (min-width: 1000px) { .cols { grid-template-columns: minmax(0, 1fr) 300px; } }
.art { min-width: 0; }
.art h1, .page h1 { margin: 0 0 6px; font-size: 27px; line-height: 1.3; }
@media (min-width: 768px) { .art h1, .page h1 { font-size: 33px; } }
.meta { margin: 0 0 18px; color: var(--sub); font-size: 14px; }
.art h2 { margin: 40px 0 12px; padding: 8px 12px; background: var(--accent-2); border-left: 5px solid var(--accent); border-radius: 0 var(--r) var(--r) 0; font-size: 23px; line-height: 1.35; }
.art h3 { margin: 28px 0 8px; font-size: 19px; }
.art p, .art li { margin: 0 0 14px; }
.art ul, .art ol { padding-left: 22px; margin: 0 0 16px; }
mark { background: linear-gradient(transparent 55%, var(--mark) 55%); color: inherit; }
.keys { margin: 0 0 18px; padding: 14px 18px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.keys-h { margin: 0 0 6px; font-weight: 800; color: var(--accent); }
.keys ul { margin: 0; padding-left: 20px; }
.keys li { margin: 0 0 4px; }
.tbl { overflow-x: auto; margin: 0 0 18px; }
.tbl table { border-collapse: collapse; width: 100%; font-size: 15px; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 8px 10px; vertical-align: top; text-align: left; }
.tbl thead th { background: var(--accent); color: #fff; }
.tbl tbody tr:nth-child(even) td, .tbl tbody tr:nth-child(even) th { background: var(--band); }
.box { margin: 18px 0; padding: 14px 16px; border-radius: var(--r); }
.box-note { background: var(--band); border: 1px solid var(--line); }
.box-warn { background: #fff8e1; border: 1px solid #f0d78c; }
.box-t { font-weight: 800; margin: 0 0 6px; }
.box p:last-child { margin-bottom: 0; }
.toc-m { margin: 0 0 18px; border: 1px solid var(--line); border-radius: var(--r); padding: 10px 14px; }
.toc-m summary { cursor: pointer; font-weight: 700; }
.toc-m ol { margin: 8px 0 0; }
@media (min-width: 1000px) { .toc-m, .more-m { display: none; } }

.dl { margin: 18px 0 24px; padding: 16px 18px; border: 2px solid var(--accent); border-radius: var(--r); background: #fff; }
.dl-h { margin: 0; color: var(--accent); font-size: 13px; font-weight: 800; letter-spacing: .03em; }
.dl-t { margin: 2px 0; font-size: 19px; font-weight: 800; }
.dl-s { margin: 0 0 12px; color: var(--sub); font-size: 14px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; background: var(--accent); color: #fff; border-radius: var(--r); font-weight: 700; text-decoration: none; }
.btn:hover { opacity: .92; }
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; }
.btn-s { padding: 8px 14px; font-size: 15px; }

.side { display: none; }
@media (min-width: 1000px) { .side { display: block; position: sticky; top: 72px; align-self: start; } }
.side-box { margin: 0 0 16px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--r); font-size: 15px; }
.side-h { margin: 0 0 6px; font-weight: 800; }
.side-box p { margin: 0 0 10px; }
.side-box ul, .side-box ol { margin: 0; padding-left: 18px; }
.side-box li { margin: 0 0 6px; }
.more-m { margin: 32px 0 0; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--r); }
.more-h { margin: 0 0 6px; font-weight: 800; }
.more-m ul { margin: 0; }

.op { border-collapse: collapse; width: 100%; margin: 0 0 20px; font-size: 15px; }
.op th, .op td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.op th { width: 32%; background: var(--band); }

.ftr { margin-top: 32px; padding: 28px 0 36px; background: var(--band); border-top: 1px solid var(--line); font-size: 14px; color: var(--sub); }
.ftr-name { font-weight: 800; color: var(--ink); font-size: 16px; margin: 0 0 6px; }
.ftr-name span { font-weight: 400; color: var(--sub); font-size: 14px; }
.ftr-links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 10px 0; padding: 0; list-style: none; }
.ftr-c { margin: 10px 0 0; }

/* ---- Excel preview (copied from work1ng) ---- */
.pv h2 { margin-top: 40px; }
.xls { border: 1px solid var(--line); background: #fff; margin: 0 0 10px; }
.xls table { font-size: 12px; min-width: 560px; border-collapse: collapse; margin: 0; }
.xls th, .xls td { border: 1px solid #dfe3e8; padding: 3px 6px; text-align: left; white-space: nowrap; line-height: 1.45; vertical-align: top; }
.xls thead.col th { background: #f1f3f5; color: #5b6675; text-align: center; font-weight: 600; font-size: 10px; height: 18px; }
.xls td.rn, .xls th.rn { background: #f1f3f5; color: #5b6675; text-align: center; font-weight: 600; width: 26px; font-size: 10px; }
.xls td.ttl { font-weight: 700; font-size: 13px; }
.xls td.hd { background: #e6eef5; font-weight: 700; border-bottom: 2px solid var(--accent); }
.xls td.grp { background: #e6eef5; font-weight: 700; }
.xls td.mut { color: #5b6675; }
.xls td.bl { background: #fafbfc; height: 19px; }
.xls td.wrap { white-space: normal; max-width: 760px; line-height: 1.7; }
.xls td.wrapc { white-space: normal; max-width: 360px; line-height: 1.6; }
.xls-bar { padding: 7px 10px; border-bottom: 1px solid var(--line); background: var(--band); font-size: 12px; color: #5b6675; font-weight: 600; }
.xls-scroll { overflow: auto; max-height: 60vh; }
.xls-pn { margin: 0; padding: 6px 10px; font-size: 12px; font-weight: 700; background: var(--band); }
.xls-tabs { display: none; border-top: 1px solid var(--line); background: var(--band); padding: 0 8px; overflow-x: auto; }
.xls-tabs button { font: inherit; font-size: 13px; padding: 8px 14px; min-height: 40px; color: #5b6675; background: none; border: 1px solid transparent; border-top: none; cursor: pointer; white-space: nowrap; }
.xls-tabs button.on { background: #fff; border-color: var(--line); color: var(--ink); font-weight: 700; }
.xls-book.js .xls-tabs { display: flex; }
.xls-book.js .xls-pane.off { display: none; }
.xls-book.js .xls-pn { display: none; }
p.xls-cut, p.xs { margin: 6px 0 0; font-size: 12px; color: #5b6675; }