/* prwin.life v2 — 国際 B2B 企業サイト。白地＋ロゴの深緑、アクセントに朱。外部フォントなし */
:root{
  --ink:#16222a; --ink2:#55636c; --ink3:#8b979e; --line:#dde3e6; --tint:#f3f6f7;
  --teal:#1e5a60; --teal-d:#143f44; --teal-l:#e6eff0; --acc:#c8452c;
  --f:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic","Meiryo","PingFang SC","Microsoft YaHei",sans-serif;
  --en:"Helvetica Neue",Helvetica,Arial,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--f);font-size:16px;line-height:1.9;letter-spacing:.03em}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal)}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.label{margin:0 0 10px;font-family:var(--en);font-size:.74rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);display:flex;align-items:center;gap:10px}
.label::before{content:"";width:22px;height:2px;background:var(--acc)}
.label.lt{color:#cfe3e4}

/* 上部帯・ヘッダー */
.topbar{background:var(--teal-d);color:#cfe0e1;font-family:var(--en);font-size:.74rem;letter-spacing:.06em}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:6px;padding-bottom:6px}
.topbar a{color:#fff;text-decoration:none;font-weight:700}
.tb-r{font-family:var(--f)}
.hd{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.logo{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink2);font-size:.78rem;letter-spacing:.05em}
.logo img{width:132px}
.logo span{border-left:1px solid var(--line);padding-left:14px;line-height:1.4}
.gnav ul{list-style:none;margin:0;padding:0;display:flex}
.gnav a{display:block;padding:14px 20px;text-decoration:none;color:var(--ink);text-align:center;line-height:1.3;position:relative}
.gnav a span{display:block;font-size:.92rem;font-weight:600}
.gnav a small{display:block;font-family:var(--en);font-size:.62rem;letter-spacing:.14em;color:var(--ink3);text-transform:uppercase;margin-top:3px}
.gnav a::after{content:"";position:absolute;left:20px;right:20px;bottom:4px;height:2px;background:var(--acc);transform:scaleX(0);transition:transform .2s}
.gnav a:hover::after,.gnav a[aria-current]::after{transform:scaleX(1)}
.gnav a[aria-current] span{color:var(--teal)}
.gnav li:last-child a{background:var(--teal);color:#fff;margin-left:10px}
.gnav li:last-child a small{color:#bcd6d8}
.gnav li:last-child a::after{display:none}

/* ヒーロー */
.hero{border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:minmax(0,44fr) minmax(0,56fr);min-height:520px}
.hero-txt{padding:64px 48px 64px max(24px,calc((100vw - 1160px)/2 + 24px));display:flex;flex-direction:column;justify-content:center}
.nw{white-space:nowrap}
.hero h1{margin:0 0 22px;font-size:clamp(1.5rem,2.7vw,2.6rem);line-height:1.4;letter-spacing:.04em;font-weight:700}
.hero-txt>p:not(.label){margin:0 0 30px;color:var(--ink2);max-width:30em}
.hero-btn{display:flex;gap:14px;flex-wrap:wrap}
.hero-img{position:relative;overflow:hidden;background:var(--tint)}
.hero-img img{width:100%;height:100%;object-fit:cover;object-position:40% 50%}
.btn,.btn-line{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 30px;font-weight:700;text-decoration:none;font-size:.95rem;letter-spacing:.06em;border:2px solid var(--teal);font-family:inherit;cursor:pointer}
.btn{background:var(--teal);color:#fff}
.btn:hover{background:var(--teal-d);border-color:var(--teal-d)}
.btn-line{background:#fff;color:var(--teal)}
.btn-line:hover{background:var(--teal-l)}
.facts{display:grid;grid-template-columns:repeat(4,1fr);margin:0 auto;border-top:1px solid var(--line)}
.facts div{padding:22px 24px;border-left:1px solid var(--line)}
.facts div:first-child{border-left:0;padding-left:0}
.facts dt{font-family:var(--en);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink3)}
.facts dd{margin:4px 0 0;font-size:1.5rem;font-weight:700;color:var(--teal-d);letter-spacing:.04em;line-height:1.3}
.facts dd small{font-size:.8rem;font-weight:400;color:var(--ink2);margin-left:4px}

/* セクション */
.sec{padding:96px 0}
.sec-tint{background:var(--tint)}
.sec-h{margin-bottom:36px}
.h2{margin:0;font-size:clamp(1.45rem,2.4vw,2rem);line-height:1.5;letter-spacing:.04em}

.strength{display:grid;grid-template-columns:5fr 6fr;gap:64px;align-items:center}
.st-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.strength .h2{margin-bottom:18px}
.pts{list-style:none;counter-reset:p;padding:0;margin:28px 0 0;border-top:1px solid var(--line)}
.pts li{counter-increment:p;position:relative;padding:18px 0 18px 56px;border-bottom:1px solid var(--line);color:var(--ink2);font-size:.95rem}
.pts li::before{content:"0" counter(p);position:absolute;left:0;top:16px;font-family:var(--en);font-weight:700;font-size:1.3rem;color:var(--acc)}
.pts b{display:block;color:var(--ink);font-size:1.05rem;margin-bottom:2px}

.biz-list{border-top:1px solid var(--line)}
.biz{display:grid;grid-template-columns:56px 150px 1fr 40px;gap:28px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);transition:background .2s}
.biz:hover{background:#fff}
.biz-no{font-family:var(--en);font-weight:700;font-size:1.6rem;color:var(--line);letter-spacing:.02em}
.biz:hover .biz-no{color:var(--acc)}
.biz-img{width:150px;height:110px;object-fit:cover}
.biz-t .label{margin-bottom:4px}
.biz h3{margin:0 0 6px;font-size:1.2rem}
.biz-t p:last-child{margin:0;color:var(--ink2);font-size:.92rem;line-height:1.8}
.go{font-size:1.3rem;color:var(--teal);transition:transform .2s}
.biz:hover .go{transform:translateX(6px)}

.flow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(6,1fr);position:relative}
.flow::before{content:"";position:absolute;left:0;right:0;top:22px;height:1px;background:var(--line)}
.flow li{position:relative;padding:0 14px 0 0}
.flow .n{position:relative;display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--teal);color:var(--teal);font-family:var(--en);font-weight:700;font-size:.9rem}
.flow li:first-child .n{background:var(--teal);color:#fff}
.flow b{display:block;margin:14px 0 4px;font-size:1rem}
.flow p{margin:0;color:var(--ink2);font-size:.85rem;line-height:1.75}

.band{position:relative;height:320px;overflow:hidden;background:var(--teal-d)}
.band img{width:100%;height:100%;object-fit:cover;opacity:.35;filter:grayscale(.4)}
.band-txt{position:absolute;inset:0;display:flex;align-items:center}
.band-txt p{margin:0;color:#fff;font-family:var(--en);font-size:clamp(1.4rem,3vw,2.3rem);font-weight:300;line-height:1.35;letter-spacing:.02em}

.about{display:grid;grid-template-columns:6fr 5fr;gap:64px;align-items:center}
.about img{width:100%}
.about .h2{margin-bottom:18px}
.about p{color:var(--ink2)}
.links{display:flex;gap:28px;flex-wrap:wrap}
.arrow{font-weight:600;text-decoration:none;border-bottom:1px solid var(--teal);padding-bottom:2px}
.arrow::after{content:" →"}

.rel{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.rel a{display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:center;padding:22px;background:#fff;border:1px solid var(--line);color:var(--ink);text-decoration:none}
.rel a:hover{border-color:var(--teal)}
.rel img{width:120px;height:120px;object-fit:cover}
.rel h3{margin:0 0 4px;font-size:1.05rem}
.rel p{margin:0 0 6px;font-size:.88rem;color:var(--ink2);line-height:1.7}
.ext{font-family:var(--en);font-size:.75rem;color:var(--teal);letter-spacing:.06em}
.ext::after{content:" ↗"}

.cta{background:var(--teal);color:#fff;padding:64px 0}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:40px}
.cta h2{margin:0 0 8px;font-size:1.5rem;letter-spacing:.04em}
.cta p{margin:0;color:#d6e7e8}
.cta-act{display:flex;align-items:center;gap:28px;flex-shrink:0}
.cta .btn{background:#fff;color:var(--teal-d);border-color:#fff}
.cta .btn:hover{background:var(--teal-l)}
.cta-tel{color:#fff;text-decoration:none;font-family:var(--en);font-size:1.5rem;font-weight:700;line-height:1.2;letter-spacing:.04em}
.cta-tel small{display:block;font-family:var(--f);font-size:.72rem;font-weight:400;color:#cfe3e4;letter-spacing:.06em}

/* 下層 */
.ph{background:var(--tint);border-bottom:1px solid var(--line);padding:48px 0 44px}
.crumb{margin:0 0 22px;font-size:.78rem;color:var(--ink3)}
.crumb a{color:var(--ink3);text-decoration:none}
.ph h1{margin:0;font-size:clamp(1.6rem,3vw,2.3rem);letter-spacing:.04em;line-height:1.45}
.ph .lead{margin:14px 0 0;color:var(--ink2);max-width:44em}
.art{padding-top:56px;padding-bottom:80px;max-width:900px}
.art.wide{max-width:1160px}
.art h2{font-size:1.4rem;margin:56px 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line);position:relative;line-height:1.5}
.art h2::after{content:"";position:absolute;left:0;bottom:-1px;width:56px;height:2px;background:var(--teal)}
.art h3{font-size:1.1rem;margin:28px 0 8px}
.art-img{width:100%;max-height:340px;object-fit:cover;margin:0 0 32px}
.check,.dot{list-style:none;padding:0}
.check li{position:relative;padding:10px 0 10px 32px;border-bottom:1px dashed var(--line)}
.check li::before{content:"";position:absolute;left:4px;top:19px;width:12px;height:7px;border-left:2px solid var(--acc);border-bottom:2px solid var(--acc);transform:rotate(-45deg)}
.dot li{position:relative;padding-left:1.2em;margin:.3em 0}
.dot li::before{content:"";position:absolute;left:0;top:.8em;width:6px;height:6px;background:var(--teal)}
blockquote{margin:28px 0;padding:20px 24px;background:var(--teal-l);border-left:3px solid var(--teal);font-weight:600}
.tbl{width:100%;border-collapse:collapse;margin:20px 0}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:18px 16px;text-align:left;vertical-align:top}
.tbl tr:first-child th,.tbl tr:first-child td{border-top:2px solid var(--teal)}
.tbl th{width:11em;font-weight:600;background:var(--tint)}
.tbl .sub{font-family:var(--en);color:var(--ink2);font-size:.9rem}
.tbl ul{margin:0}
.case{border:1px solid var(--line);padding:24px 28px;margin:16px 0}
.case-l{margin:0;font-family:var(--en);font-weight:700;font-size:.75rem;letter-spacing:.16em;color:var(--acc);text-transform:uppercase}
.case h3{margin:4px 0 8px}
.case p:last-child{margin:0;color:var(--ink2)}
.art .flow{margin:24px 0}
.art .flow{grid-template-columns:repeat(3,1fr);row-gap:32px}
.art .flow::before{display:none}
.prod{display:grid;grid-template-columns:240px 1fr;gap:40px;margin:40px 0;padding-bottom:40px;border-bottom:1px solid var(--line);align-items:start}
.prod h2{margin-top:0;border:0;padding:0}
.prod h2::after{display:none}
.photos{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.photos img{width:100%;aspect-ratio:4/3;object-fit:cover}
.bz-row{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;padding:40px 0;border-bottom:1px solid var(--line)}
.bz-row:first-child{padding-top:0}
.bz-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.bz-row .biz-no{display:block;color:var(--acc);font-size:1.2rem;margin-bottom:6px}
.bz-row h2{margin:0 0 12px;border:0;padding:0;font-size:1.45rem}
.bz-row h2::after{display:none}
.bz-row p{color:var(--ink2)}

/* フォーム */
.form dl{margin:0;border-top:2px solid var(--teal)}
.form dt{font-weight:600;padding-top:20px}
.form dt .req{display:inline-block;background:var(--acc);color:#fff;font-size:.68rem;padding:1px 6px;margin-left:8px;vertical-align:2px}
.form dd{margin:8px 0 0;padding-bottom:20px;border-bottom:1px solid var(--line)}
.form input[type=text],.form input[type=email],.form input[type=tel],.form textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid #b7c2c7;border-radius:0;background:#fff}
.form textarea{min-height:200px}
.form input:focus,.form textarea:focus{outline:2px solid var(--teal);outline-offset:-1px}
.form .hp{position:absolute;left:-9999px}
.form .actions{margin-top:32px}
.form .btn{min-width:240px}
.err{color:var(--acc);font-size:.88rem;margin:6px 0 0}
.box-ng{border:1px solid var(--acc);color:var(--acc);padding:14px 18px;margin-bottom:16px}
.box-ok{border-top:2px solid var(--teal);background:var(--tint);padding:28px}
.small{font-size:.85rem;color:var(--ink2)}

/* フッター */
.ft{background:var(--tint);border-top:1px solid var(--line);font-size:.86rem;color:var(--ink2)}
.ft-in{display:flex;justify-content:space-between;gap:48px;padding-top:56px;padding-bottom:40px}
.ft-co img{width:110px;margin-bottom:14px;mix-blend-mode:multiply}
.ft-co b{color:var(--ink)}
.ft-cols{display:flex;gap:56px}
.ft-h{margin:0 0 8px;font-family:var(--en);font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--teal)}
.ft ul{list-style:none;margin:0;padding:0}
.ft ul a{color:var(--ink2);text-decoration:none;line-height:2.1}
.ft ul a:hover{color:var(--teal)}
.copy{margin:0;padding:16px;text-align:center;border-top:1px solid var(--line);font-family:var(--en);font-size:.72rem;letter-spacing:.06em;color:var(--ink3)}

@media (max-width:980px){
  .logo span{display:none}
  .gnav a{padding:12px 12px}
  .gnav a::after{left:12px;right:12px}
  .hero-in{grid-template-columns:1fr}
  .hero-txt{padding:44px 24px 36px}
  .hero-img{height:300px;order:-1}
  .strength,.about{grid-template-columns:1fr;gap:36px}
  .flow{grid-template-columns:repeat(3,1fr);row-gap:32px}
  .flow::before{display:none}
  .cta-in{flex-direction:column;align-items:flex-start}
}
@media (max-width:680px){
  body{font-size:15px}
  .wrap{padding:0 16px}
  .topbar .wrap>span:first-child{display:none}
  .topbar .wrap{justify-content:flex-end}
  .hd{position:static}
  .hd-in{flex-direction:column;align-items:stretch;gap:0;min-height:0}
  .logo{padding:12px 0}
  .logo img{width:110px}
  .gnav ul{border-top:1px solid var(--line);margin:0 -16px}
  .gnav li{flex:1}
  .gnav a{padding:10px 2px}
  .gnav a span{font-size:.82rem}
  .gnav a small{font-size:.55rem;letter-spacing:.08em}
  .gnav li:last-child a{margin-left:0}
  .hero-img{height:220px}
  .hero-txt{padding:32px 16px 28px}
  .facts{grid-template-columns:1fr 1fr}
  .facts div{padding:16px 0 16px 16px}
  .facts div:nth-child(odd){border-left:0;padding-left:0}
  .facts div:nth-child(n+3){border-top:1px solid var(--line)}
  .facts dd{font-size:1.25rem}
  .sec{padding:64px 0}
  .biz{grid-template-columns:1fr 24px;gap:12px;padding:24px 0}
  .biz-no{display:none}
  .biz-img{grid-column:1/-1;width:100%;height:200px}
  .h2{font-size:1.3rem}
  .flow,.art .flow{grid-template-columns:1fr 1fr}
  .band{height:200px}
  .rel{grid-template-columns:1fr}
  .rel a{grid-template-columns:80px 1fr;padding:16px;gap:16px}
  .rel img{width:80px;height:80px}
  .cta-act{flex-direction:column;align-items:flex-start;gap:16px}
  .prod,.bz-row{grid-template-columns:1fr;gap:20px}
  .prod img{max-width:240px}
  .tbl th{width:6.5em;padding:14px 10px}
  .tbl td{padding:14px 10px}
  .photos{grid-template-columns:1fr}
  .ft-in{flex-direction:column;gap:28px}
  .ft-cols{flex-wrap:wrap;gap:28px}
}