/* ============================================================
   ポスティングテクノロジー 下層ページ共通スタイル（白黒ワイヤー版）
   ============================================================ */
:root{
  --ink:#111;
  --ink-2:#444;
  --ink-3:#777;
  --line:#ddd;
  --bg:#fff;
  --bg-2:#f5f5f5;
  --bg-dark:#111;
  --maxw:960px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",sans-serif;
  color:var(--ink);background:var(--bg);
  line-height:1.9;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:72px 0}
@media(max-width:768px){section{padding:48px 0}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:14px;letter-spacing:.05em;
  padding:12px 24px;border:1.5px solid var(--ink);border-radius:999px;
  transition:background .25s,color .25s,transform .2s;cursor:pointer;background:var(--bg);color:var(--ink);
}
.btn:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn.solid{background:var(--ink);color:#fff}
.btn.solid:hover{background:#333}
.btn .ar{display:inline-block;transition:transform .25s}
.btn:hover .ar{transform:translateX(4px)}

.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.rv.on{opacity:1;transform:none}

/* ---------- header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.h-inner{max-width:1240px;margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.h-logo{display:flex;align-items:center;gap:10px;font-weight:800}
.h-logo svg{width:36px;height:36px}
.h-logo .lt{font-size:15px;letter-spacing:.06em;line-height:1.3}
.h-logo .lt small{display:block;font-size:9px;font-weight:600;letter-spacing:.28em;color:var(--ink-3)}
.h-right{display:flex;gap:16px;align-items:center}
.h-right .back{font-size:13px;font-weight:700}
.h-right .back:hover{text-decoration:underline}
@media(max-width:560px){.h-right .back{display:none}}

/* ---------- グローバルナビ（ドロップダウン） ---------- */
nav.g-nav>ul{display:flex;gap:24px;font-size:14px;font-weight:700;align-items:center}
nav.g-nav>ul>li{position:relative}
nav.g-nav>ul>li>a{display:block;padding:26px 0;position:relative;white-space:nowrap}
nav.g-nav>ul>li>a::after{content:"";position:absolute;left:0;bottom:20px;width:0;height:2px;background:var(--ink);transition:width .3s}
nav.g-nav>ul>li:hover>a::after,nav.g-nav>ul>li>a.cur::after{width:100%}
nav.g-nav .has>a::before{content:"";position:absolute;right:-14px;top:50%;margin-top:-2px;width:6px;height:6px;
  border-right:1.5px solid var(--ink-3);border-bottom:1.5px solid var(--ink-3);transform:rotate(45deg) translateY(-2px)}
nav.g-nav .dd{position:absolute;top:100%;left:-20px;min-width:250px;background:#fff;border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.10);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s,transform .25s,visibility .25s;padding:8px 0;z-index:120}
nav.g-nav .has:hover .dd,nav.g-nav .has:focus-within .dd{opacity:1;visibility:visible;transform:none}
nav.g-nav .dd a{display:block;padding:11px 22px;font-size:13px;font-weight:700;transition:background .2s}
nav.g-nav .dd a:hover{background:var(--bg-2)}
nav.g-nav .dd a small{display:block;font-size:10px;font-weight:600;color:var(--ink-3);letter-spacing:.1em;margin-top:2px}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;position:relative}
.menu-btn span{position:absolute;left:12px;right:12px;height:2px;background:var(--ink);transition:.3s}
.menu-btn span:nth-child(1){top:15px}
.menu-btn span:nth-child(2){top:21px}
.menu-btn span:nth-child(3){top:27px}
.menu-btn.open span:nth-child(1){top:21px;transform:rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){top:21px;transform:rotate(-45deg)}
@media(max-width:1100px){
  nav.g-nav{position:fixed;inset:72px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);
    max-height:0;overflow-y:auto;transition:max-height .35s ease}
  nav.g-nav.open{max-height:calc(100vh - 72px)}
  nav.g-nav>ul{flex-direction:column;gap:0;padding:8px 24px 24px;align-items:stretch}
  nav.g-nav>ul>li{border-bottom:1px solid var(--bg-2)}
  nav.g-nav>ul>li>a{padding:14px 0}
  nav.g-nav>ul>li>a::after{display:none}
  nav.g-nav .has>a::before{right:4px;transform:rotate(45deg)}
  nav.g-nav .dd{position:static;opacity:1;visibility:visible;transform:none;border:none;box-shadow:none;
    padding:0 0 10px;min-width:0;background:var(--bg-2)}
  nav.g-nav .dd a{padding:10px 16px;font-size:12px}
  .menu-btn{display:block}
  .h-right .back{display:none}
}

/* ---------- サブページ共通パーツ ---------- */
.lead-box{border-left:4px solid var(--ink);padding:4px 0 4px 20px;font-size:16px;font-weight:700;line-height:1.9;margin-bottom:32px}
.body-txt p{font-size:15px;color:var(--ink-2);margin-bottom:18px}
.body-txt p:last-child{margin-bottom:0}
.body-txt strong{font-weight:800;color:var(--ink);border-bottom:2px solid var(--ink)}

/* 2カラム表 */
.def-table{width:100%;border-collapse:collapse;font-size:14px}
.def-table th,.def-table td{border:1px solid var(--line);padding:15px 16px;text-align:left;vertical-align:top}
.def-table thead th{background:var(--ink);color:#fff;font-weight:800;text-align:center}
.def-table tbody th{background:var(--bg-2);font-weight:800;width:26%}
.def-table td.c{text-align:center}
.def-table .yen{font-size:19px;font-weight:900;font-variant-numeric:tabular-nums}
.def-table .yen small{font-size:12px;font-weight:700}
.def-table .sub{display:block;font-size:11px;color:var(--ink-3);margin-top:3px;font-weight:600}
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl-scroll .def-table{min-width:620px}

/* 配布方法カード */
.type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.type-card{border:1px solid var(--line);background:#fff;padding:26px 24px}
.type-card .tag{font-size:11px;font-weight:800;letter-spacing:.15em;color:var(--ink-3)}
.type-card h3{font-size:19px;font-weight:800;margin:6px 0 12px}
.type-card p{font-size:14px;color:var(--ink-2)}
.type-card .fit{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px}
.type-card .fit b{font-weight:800}
@media(max-width:768px){.type-grid{grid-template-columns:1fr}}

/* 番号つきリスト */
.num-list{counter-reset:n}
.num-list li{position:relative;padding:0 0 26px 56px;counter-increment:n}
.num-list li::before{content:counter(n,decimal-leading-zero);position:absolute;left:0;top:0;
  font-size:22px;font-weight:900;color:#ccc;font-variant-numeric:tabular-nums}
.num-list li h3{font-size:17px;font-weight:800;margin-bottom:6px}
.num-list li p{font-size:14px;color:var(--ink-2)}

/* チェックリスト */
.check-list li{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.check-list li::before{content:"";flex:none;width:18px;height:18px;border:2px solid var(--ink);border-radius:50%;margin-top:4px}
.check-list li b{font-weight:800}

/* 注意ボックス */
.note-box{background:var(--bg-2);border:1px solid var(--line);padding:22px 24px;font-size:13px;color:var(--ink-2)}
.note-box b{display:block;font-weight:800;color:var(--ink);margin-bottom:8px;font-size:14px}

/* 画面イメージ */
.screen{background:var(--bg-2);border:1px solid var(--line);aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;letter-spacing:.1em;color:#aaa;text-align:center;line-height:1.8}

/* 統計 */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.stat-row .s{background:#fff;padding:24px 16px;text-align:center}
.stat-row .s .lb{font-size:12px;font-weight:700;color:var(--ink-3)}
.stat-row .s .nm{font-size:32px;font-weight:900;line-height:1.2;margin-top:6px;font-variant-numeric:tabular-nums}
.stat-row .s .nm small{font-size:14px;font-weight:700}
.stat-row .s .nt{font-size:10px;color:var(--ink-3);margin-top:4px}
@media(max-width:640px){.stat-row{grid-template-columns:1fr}}

/* ---------- パンくず ---------- */
.crumb{margin-top:72px;border-bottom:1px solid var(--line);background:var(--bg-2)}
.crumb .wrap{display:flex;gap:10px;align-items:center;padding-top:12px;padding-bottom:12px;font-size:12px;color:var(--ink-3);flex-wrap:wrap}
.crumb a{font-weight:700;color:var(--ink)}
.crumb a:hover{text-decoration:underline}
.crumb .sep{color:#bbb}

/* ---------- ページヘッダー ---------- */
.page-head{padding:72px 0 0}
.page-head .en{font-size:13px;font-weight:800;letter-spacing:.25em;color:var(--ink-3);display:flex;align-items:center;gap:12px}
.page-head .en::before{content:"";width:32px;height:1px;background:var(--ink)}
.page-head h1{font-size:36px;font-weight:900;line-height:1.5;margin-top:14px;letter-spacing:.03em}
.page-head h1 .u{border-bottom:4px solid var(--ink);padding-bottom:2px}
.page-head .lead{margin-top:20px;font-size:16px;color:var(--ink-2);max-width:720px}
@media(max-width:768px){.page-head h1{font-size:26px}}

/* ---------- サービス間タブ ---------- */
.svc-tabs{margin-top:40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.svc-tabs .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.svc-tabs a{padding:16px 8px;text-align:center;font-size:12px;font-weight:800;letter-spacing:.05em;border-left:1px solid var(--line);color:var(--ink-3)}
.svc-tabs a:last-child{border-right:1px solid var(--line)}
.svc-tabs a:hover{color:var(--ink)}
.svc-tabs a.on{background:var(--ink);color:#fff}
@media(max-width:680px){.svc-tabs .wrap{grid-template-columns:repeat(2,1fr)}.svc-tabs a:nth-child(-n+2){border-bottom:1px solid var(--line)}}

/* ---------- 見出し ---------- */
.sec-head{margin-bottom:40px}
.sec-en{font-size:12px;font-weight:800;letter-spacing:.25em;color:var(--ink-3);text-transform:uppercase;display:flex;align-items:center;gap:12px}
.sec-en::before{content:"";width:28px;height:1px;background:var(--ink)}
.sec-ja{font-size:26px;font-weight:800;line-height:1.5;margin-top:10px;letter-spacing:.04em}
@media(max-width:768px){.sec-ja{font-size:21px}}

/* ---------- 課題カード ---------- */
.prob-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.prob-card{border:1px solid var(--line);padding:26px 22px;background:#fff}
.prob-card .no{font-size:11px;font-weight:800;letter-spacing:.2em;color:var(--ink-3)}
.prob-card h3{font-size:16px;font-weight:800;margin:8px 0 10px;line-height:1.6}
.prob-card p{font-size:13px;color:var(--ink-2)}
@media(max-width:768px){.prob-grid{grid-template-columns:1fr}}

/* ---------- 仕組みステップ ---------- */
.mech{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding:44px 0;border-top:1px solid var(--line)}
.mech:last-of-type{border-bottom:1px solid var(--line)}
.mech .no{font-size:12px;font-weight:800;letter-spacing:.22em;color:var(--ink-3);display:flex;align-items:baseline;gap:12px}
.mech .no b{font-size:30px;font-weight:900;color:#ddd;line-height:1}
.mech h3{font-size:20px;font-weight:800;line-height:1.6;margin-top:10px}
.mech p{margin-top:12px;font-size:14px;color:var(--ink-2)}
.mech .fig{background:var(--bg-2);border:1px solid var(--line);aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;letter-spacing:.1em;color:#aaa;text-align:center;line-height:1.6}
.mech.rev .fig{order:-1}
@media(max-width:768px){.mech{grid-template-columns:1fr;gap:20px;padding:36px 0}.mech.rev .fig{order:0}}

/* ---------- 納品物・チェックリスト ---------- */
.deliver{background:var(--bg-2)}
.dl-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.dl-list li{background:#fff;border:1px solid var(--line);padding:18px 20px;display:flex;gap:14px;align-items:flex-start;font-size:14px}
.dl-list li::before{content:"";flex:none;width:20px;height:20px;border:2px solid var(--ink);border-radius:50%;margin-top:4px}
.dl-list li b{display:block;font-size:15px}
.dl-list li span{display:block;font-size:12px;color:var(--ink-3);margin-top:2px}
@media(max-width:680px){.dl-list{grid-template-columns:1fr}}

/* ---------- GISデータ一覧 ---------- */
.gis-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gis-card{border:1px solid var(--line);background:#fff;padding:20px}
.gis-card h4{font-size:14px;font-weight:800;padding-bottom:8px;border-bottom:2px solid var(--ink);margin-bottom:10px}
.gis-card p{font-size:12px;color:var(--ink-2);line-height:1.8}
.gis-note{margin-top:20px;font-size:12px;color:var(--ink-3)}
@media(max-width:820px){.gis-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.gis-grid{grid-template-columns:1fr}}

/* ---------- 抽出例 ---------- */
.sample-box{border:2px solid var(--ink);padding:28px;background:#fff}
.sample-box .st{font-size:12px;font-weight:800;letter-spacing:.15em;color:var(--ink-3)}
.sample-box h3{font-size:20px;font-weight:900;margin:6px 0 16px}
.sample-cond{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.sample-cond div{background:var(--bg-2);padding:12px 16px;font-size:13px}
.sample-cond div b{display:block;font-size:11px;font-weight:800;color:var(--ink-3);letter-spacing:.1em;margin-bottom:2px}
.sample-legend{border:1px solid var(--line)}
.sample-legend .hd{background:var(--ink);color:#fff;font-size:12px;font-weight:800;padding:10px 16px;letter-spacing:.1em}
.sample-legend table{width:100%;border-collapse:collapse;font-size:13px}
.sample-legend td{border-bottom:1px solid var(--line);padding:9px 16px;font-variant-numeric:tabular-nums}
.sample-legend td:first-child{width:56px;text-align:center;font-weight:800;background:var(--bg-2)}
.sample-legend tr:last-child td{border-bottom:none}
@media(max-width:560px){.sample-cond{grid-template-columns:1fr}}

/* ---------- 効果イメージ ---------- */
.effect-box{border:2px solid var(--ink);padding:32px;display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center;text-align:center}
.effect-box .col .lb{font-size:12px;font-weight:800;color:var(--ink-3);letter-spacing:.1em}
.effect-box .col .num{font-size:38px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1.3}
.effect-box .col .num small{font-size:16px;font-weight:700}
.effect-box .arrow{font-size:28px;font-weight:900}
.effect-note{margin-top:14px;font-size:11px;color:var(--ink-3)}
@media(max-width:640px){.effect-box{grid-template-columns:1fr;gap:8px}.effect-box .arrow{transform:rotate(90deg)}}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:20px 8px;font-weight:800;font-size:15px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .q{width:26px;height:26px;flex:none;border:1.5px solid var(--ink);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900}
.faq summary .ic{margin-left:auto;flex:none;width:14px;height:14px;position:relative}
.faq summary .ic::before,.faq summary .ic::after{content:"";position:absolute;background:var(--ink);transition:transform .3s}
.faq summary .ic::before{left:0;top:6px;width:14px;height:2px}
.faq summary .ic::after{left:6px;top:0;width:2px;height:14px}
.faq[open] summary .ic::after{transform:rotate(90deg)}
.faq .a{display:flex;gap:14px;padding:0 8px 22px;color:var(--ink-2);font-size:14px}
.faq .a .am{width:26px;flex:none;text-align:center;font-weight:900}

/* ---------- 関連リンク ---------- */
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rel-grid a{border:1px solid var(--line);background:#fff;padding:22px 24px;font-weight:800;font-size:15px;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:box-shadow .25s}
.rel-grid a:hover{box-shadow:0 6px 18px rgba(0,0,0,.08)}
.rel-grid a small{display:block;font-size:11px;font-weight:700;color:var(--ink-3);letter-spacing:.15em}
@media(max-width:640px){.rel-grid{grid-template-columns:1fr}}

/* ---------- CTA ---------- */
.cta-band{background:var(--bg-dark);color:#fff;text-align:center;padding:72px 0}
.cta-band h2{font-size:26px;font-weight:900;line-height:1.6}
.cta-band p{margin-top:12px;color:#bbb;font-size:14px}
.cta-band .btns{margin-top:28px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-band .btn{border-color:#fff;color:#fff;background:transparent}
.cta-band .btn:hover{background:#fff;color:var(--ink)}
.cta-band .btn.wsolid{background:#fff;color:var(--ink)}
.cta-band .btn.wsolid:hover{background:#ddd}
@media(max-width:640px){.cta-band h2{font-size:20px}}

/* ---------- footer ---------- */
footer{background:#0b0b0b;color:#999;padding:40px 0;font-size:12px;text-align:center}
footer a{font-weight:700;color:#fff}
footer a:hover{text-decoration:underline}
footer .cp{margin-top:12px;font-size:11px;color:#666}