/* 有限会社 並木製作所 — corporate site
   Design: 案B「仕様書」— white base, data-first, IBM Plex Sans JP + Plex Mono */

:root{
  --bg:#FCFCFD; --surface:#FFFFFF; --ink:#14171A; --ink-2:#4A535C;
  --muted:#7C8792; --faint:#9AA4AE; --line:#E4E7EA; --line-2:#EFF1F3;
  --field:#D5DAE0; --accent:#2A6BD8; --accent-bg:#F2F6FD; --danger:#D93025;
  --pad:56px; --maxw:1440px;
  --sans:"IBM Plex Sans JP","Hiragino Sans","Yu Gothic",system-ui,sans-serif;
  --mono:"IBM Plex Mono","SFMono-Regular",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:15px;line-height:1.9;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.5}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.mono{font-family:var(--mono)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:99;background:var(--ink);color:#fff;padding:10px 16px}

/* ---------- header ---------- */
.hd{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.hd-in{max-width:var(--maxw);margin:0 auto;padding:14px var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:14px;flex:0 0 auto;min-width:0}
.brand svg{flex:0 0 auto}
.brand-name{font-size:16px;font-weight:600;letter-spacing:.08em;white-space:nowrap}
.brand-name span{font-size:11px;font-weight:400;color:var(--muted);margin-right:6px}
.brand-sub{font-size:9px;letter-spacing:.16em;color:var(--muted)}
.nav{display:flex;align-items:center;gap:28px}
.nav-list{display:flex;gap:22px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--ink-2)}
.nav-list a[aria-current="page"]{color:var(--accent)}
.nav-toggle{display:none;background:none;border:1px solid var(--field);padding:9px 12px;cursor:pointer}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 26px;font-size:14px;
  font-family:inherit;border:1px solid transparent;cursor:pointer;transition:opacity .15s}
.btn:hover{opacity:.88}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{color:#fff}
.btn-ghost{border-color:var(--field);background:var(--surface);color:var(--ink)}
.btn-sm{padding:11px 20px;font-size:13px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- hero / sections ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);border-bottom:1px solid var(--line)}
.hero-body{padding:80px var(--pad);display:flex;flex-direction:column;gap:30px;justify-content:center}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--accent)}
.hero h1{font-size:clamp(30px,4vw,52px);line-height:1.5;letter-spacing:.02em}
.hero p{color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-side{border-left:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column}
.hero-photo{flex:1;min-height:280px;overflow:hidden;border-top:1px solid var(--line)}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:center 42%;display:block}

.section{padding:76px var(--pad);border-bottom:1px solid var(--line)}
.section:last-of-type{border-bottom:0}
.section-hd{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.section-hd h2{font-size:28px;letter-spacing:.04em}
.section-hd .label{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--muted)}
.lead{color:var(--ink-2);max-width:680px}

.page-hd{padding:52px var(--pad) 36px;border-bottom:1px solid var(--line);
  display:flex;flex-direction:column;gap:14px}
.page-hd h1{font-size:clamp(28px,3.4vw,40px);letter-spacing:.03em}

/* ---------- grids / cards ---------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g5{grid-template-columns:repeat(5,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--line);padding:26px;display:flex;flex-direction:column;gap:12px}
.card h3{font-size:17px}
.card p{font-size:13.5px;line-height:1.85;color:var(--ink-2)}
.card .num{font-family:var(--mono);font-size:22px;color:var(--accent)}
.tag{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted)}
.card.is-accent{border-color:var(--accent)}
.card.is-accent .tag{color:var(--accent)}

.cap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.cap>div{padding:24px 30px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.cap>div:nth-child(odd){border-right:1px solid var(--line)}
.cap-hd{padding:15px 30px;font-family:var(--mono);font-size:11px;letter-spacing:.18em;
  color:var(--muted);border-bottom:1px solid var(--line)}
.cap p{font-size:14px;line-height:1.8}

.ph{background:#F1F3F5;display:flex;align-items:center;justify-content:center;
  color:var(--faint);font-size:12px;letter-spacing:.14em;text-align:center;padding:20px;min-height:180px}
.ph-tall{min-height:300px}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:720px}
thead th{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted);
  background:#F7F8FA;text-align:left;font-weight:400;padding:13px 24px;border-bottom:1px solid var(--line);white-space:nowrap}
tbody td{padding:20px 24px;border-bottom:1px solid var(--line-2);font-size:15px;vertical-align:top}
tbody tr:last-child td{border-bottom:0}
td.mono,th.mono{font-family:var(--mono);font-size:13px}
td.no{font-family:var(--mono);font-size:13px;color:var(--muted);white-space:nowrap}

/* definition table (会社概要 / 募集要項) */
.dl{border-top:2px solid var(--ink)}
.dl-row{display:grid;grid-template-columns:200px minmax(0,1fr);gap:32px;
  padding:20px 0;border-bottom:1px solid var(--line)}
.dl-row dt{font-size:13.5px;color:var(--muted)}
.dl-row dd{margin:0;font-size:15px}
.dl-row dd ul li{position:relative;padding-left:22px;margin-bottom:6px}
.dl-row dd ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;
  border-left:1.6px solid var(--accent);border-bottom:1.6px solid var(--accent);transform:rotate(-45deg)}

/* ---------- form ---------- */
.form-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;
  align-items:start;padding:44px var(--pad) 64px}
.steps{display:flex;align-items:center;flex-wrap:wrap;gap:14px;padding:22px var(--pad);
  border-bottom:1px solid var(--line);background:var(--surface)}
.step{display:flex;align-items:center;gap:11px;font-size:14px;color:var(--faint)}
.step .dot{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12px;border:1px solid var(--field);background:var(--surface);color:var(--faint)}
.step.is-on{color:var(--ink)}
.step.is-on .dot{background:var(--accent);border-color:var(--accent);color:#fff}
.step.is-done{color:var(--ink-2)}
.step.is-done .dot{background:var(--accent-bg);border-color:#D3E0F5;color:var(--accent)}
.step-line{width:52px;height:1px;background:var(--field)}

.fields{display:flex;flex-direction:column;gap:24px}
.f{display:flex;flex-direction:column;gap:8px}
.f label{display:flex;align-items:center;gap:8px;font-size:13.5px}
.req,.opt{font-family:var(--mono);font-size:10px;padding:2px 7px}
.req{background:var(--accent);color:#fff}
.opt{border:1px solid var(--field);color:var(--muted)}
.field{padding:14px 16px;border:1px solid var(--field);background:var(--surface);
  font-size:14px;font-family:inherit;color:var(--ink);width:100%;outline:none}
.field::placeholder{color:#A9B2BA}
.field:focus{border-color:var(--ink)}
.field:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
textarea.field{min-height:118px;resize:vertical;line-height:1.8}
select.field{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237C8792' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center}
.f.has-error .field,.f.has-error .drop{border-color:var(--danger);background:#FFF9F9}
.err{font-size:12px;color:var(--danger)}
.f:not(.has-error) .err{display:none}
.qty{display:flex}
.qty button{width:46px;height:49px;border:1px solid var(--field);background:var(--surface);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-family:var(--mono);color:var(--ink)}
.qty button:hover{background:#F1F3F5}
.qty input{flex:1;text-align:center;border-left:0;border-right:0;font-family:var(--mono);font-size:16px}

.drop{border:1px dashed #B9C1C9;background:var(--surface);padding:40px 20px;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;gap:11px;text-align:center;transition:.15s}
.drop:hover,.drop.is-over{border-color:var(--ink);background:#F8FAFC}
.drop .hint{font-family:var(--mono);font-size:11px;color:var(--faint)}
.file-chip{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;background:var(--surface);border:1px solid var(--field)}
.file-chip .meta{display:flex;align-items:center;gap:13px}
.file-chip .nm{font-size:14px;font-weight:500;word-break:break-all}
.file-chip .sz{font-family:var(--mono);font-size:11px;color:var(--muted)}

.notice{display:flex;gap:12px;padding:15px 18px;font-size:13px;line-height:1.8}
.notice svg{flex:0 0 auto;margin-top:2px}
.notice-error{background:#FFF1F1;border-left:3px solid var(--danger);color:#A31D14}
.notice-info{background:var(--accent-bg);border-left:3px solid var(--accent);color:#23425F}

.aside{display:flex;flex-direction:column;gap:18px}
.aside .card{gap:11px}
.aside .big{font-family:var(--mono);font-size:25px;letter-spacing:.01em}
.aside .note{background:#F1F3F5;border:0;padding:20px 26px;gap:10px}
.aside .note p{font-size:12px}
.form-legal{margin:18px 0 0;font-size:12px;line-height:1.8;color:var(--muted);max-width:720px}
.form-legal a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}

.done{display:flex;flex-direction:column;gap:28px;padding:16px 0}
.done h2{font-size:30px}

.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:4px 0 0}
.tags li{border:1px solid var(--field);color:var(--ink-2);font-size:12px;padding:5px 12px}

.jobs{display:flex;flex-direction:column;gap:12px}
.jobs li{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);padding:18px 22px;font-size:14.5px;color:var(--ink-2)}
.jobs li b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}

.flow{list-style:none;padding:0 0 0 26px;border-left:2px solid var(--line);display:flex;flex-direction:column;gap:20px}
.flow li{position:relative;font-size:15px;color:var(--ink-2)}
.flow li::before{content:"";position:absolute;left:-33px;top:11px;width:10px;height:10px;border-radius:50%;background:var(--accent);border:3px solid var(--bg)}
.flow .t{font-family:var(--mono);font-weight:500;color:var(--accent);min-width:72px;display:inline-block}

.faq{display:flex;flex-direction:column;gap:8px}
.faq details{background:var(--surface);border:1px solid var(--line)}
.faq summary{cursor:pointer;padding:16px 20px;font-size:15px;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq .a{padding:0 20px 18px;font-size:14.5px;color:var(--ink-2)}

.langbox{background:var(--surface);border:1px solid var(--line);padding:24px 26px;font-size:14.5px;display:flex;flex-direction:column;gap:12px;color:var(--ink-2)}
.langbox h3{font-size:16px;font-weight:600;color:var(--ink)}

.photo{width:100%;border:1px solid var(--line);background:var(--surface)}
.photo-frame{min-height:100%;overflow:hidden;background:#F1F3F5}
.photo-frame img{width:100%;height:100%;object-fit:cover;object-position:center 20%;display:block;min-height:420px}
.mapbox{border:1px solid var(--line);background:var(--surface);line-height:0}
.mapbox iframe{width:100%;height:420px;border:0;display:block}

.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.hint{font-size:12px;color:var(--muted)}

/* ---------- cta / footer ---------- */
.cta{background:var(--ink);color:#E8EBEE;padding:56px var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta h2{font-size:26px}
.cta p{font-size:13.5px;color:#93A0AB}
.cta .tel{font-family:var(--mono);font-size:25px;color:#E8EBEE}
.cta .tel:hover{color:#fff}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

.ft{background:var(--ink);color:#E8EBEE;padding:56px var(--pad) 28px;
  display:flex;flex-direction:column;gap:40px;border-top:1px solid #2A2F35}
.ft-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}
.ft p,.ft .mono{font-size:13px;color:#93A0AB}
.ft-name{font-size:16px;font-weight:600;letter-spacing:.08em;color:#E8EBEE;margin-bottom:8px}
.ft-links{display:flex;flex-direction:column;gap:9px;font-size:13px}
.ft-links a{color:#E8EBEE}
.ft-links a:hover{color:#fff;text-decoration:underline}
.ft-meta{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:#6B7680}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  :root{--pad:32px}
  .hero{grid-template-columns:1fr}
  .hero-side{border-left:0;border-top:1px solid var(--line)}
  .hero-photo{min-height:240px;max-height:360px}
  .g5,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-layout{grid-template-columns:1fr;gap:36px}
}
@media (max-width:1024px){
  .hd-in{position:relative;flex-wrap:wrap}
  .nav{flex-wrap:wrap;justify-content:flex-end;min-width:0}
  .nav-toggle{display:block;position:relative;z-index:2}
  .hd .btn{width:auto;flex:0 0 auto}
  .nav-list{display:none}
  .nav-list.is-open{display:flex;flex-direction:column;flex-basis:100%;width:100%;
    position:static;gap:0;background:var(--surface);padding:8px 0 4px;z-index:2}
  .nav-list.is-open a{padding:13px 0;border-bottom:1px solid var(--line-2)}
}
@media (max-width:820px){
  :root{--pad:20px}
  body{font-size:14.5px}
  .g2,.g3,.g4,.g5{grid-template-columns:1fr}
  .cap{grid-template-columns:1fr}
  .cap>div:nth-child(odd){border-right:0}
  .dl-row{grid-template-columns:1fr;gap:8px;padding:16px 0}
  .section,.page-hd,.steps,.cta,.ft{padding-left:var(--pad);padding-right:var(--pad)}
  .section{padding-top:52px;padding-bottom:52px}
  .hero-body{padding:52px var(--pad)}
  .form-layout{padding:32px var(--pad) 48px}
  .cta{flex-direction:column;align-items:flex-start}
  .ft-cols{grid-template-columns:1fr}
  .brand-sub{display:none}
  .brand{gap:10px}
  .brand-name{letter-spacing:.04em}
  .brand-name span{display:none}
  .hd-in{gap:10px}
  .nav{gap:8px}
  .nav .btn-sm{padding:9px 12px;font-size:12px;width:auto}
  .hd .btn{width:auto}
  .steps{gap:10px}
  .step-line{width:20px}
  .btn{width:100%;justify-content:center}
  .cta-actions .btn{width:auto}
  .mapbox iframe{height:320px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}