:root{
  --ink:#1c1f23;
  --ink-soft:#4a5158;
  --ink-faint:#6f767d;
  --line:#e0e3e7;
  --line-soft:#eef0f2;
  --bg:#ffffff;
  --bg-soft:#f7f8f9;
  --accent:#1f5c4a;
  --accent-soft:#eaf2ef;
  --maxw:820px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic Medium","Meiryo",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.02em;
}
img{max-width:100%;height:auto}
a{color:var(--accent)}
a:hover{opacity:.75}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* header */
.site-header{border-bottom:1px solid var(--line);background:var(--bg)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 20px;padding-top:20px;padding-bottom:20px}
.brand{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:700;letter-spacing:.04em;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand img{width:24px;height:24px;display:block}
.brand:hover{opacity:.75}
nav.main{margin-left:auto}
nav.main ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 18px;margin:0;padding:0}
nav.main a{font-size:14px;color:var(--ink-soft);text-decoration:none;white-space:nowrap}
nav.main a:hover,nav.main a[aria-current="page"]{color:var(--accent)}
nav.main a[aria-current="page"]{font-weight:700}

/* hero */
.hero{
  position:relative;overflow:hidden;
  background:#0d2a22 url("img/hero-sky.jpg") center 32%/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg, rgba(9,36,29,.90) 0%, rgba(9,36,29,.74) 42%, rgba(9,36,29,.30) 78%, rgba(9,36,29,.16) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:120px;
  background:url("img/forest.svg") center bottom/100% 100% no-repeat;
}
.hero .wrap{position:relative;z-index:1;padding-top:96px;padding-bottom:132px}
.hero h1{font-size:34px;line-height:1.5;margin:0 0 20px;letter-spacing:.01em;color:#fff;text-shadow:0 1px 18px rgba(0,0,0,.28)}
.hero p{margin:0;color:rgba(255,255,255,.94);font-size:16px;max-width:34em;text-shadow:0 1px 12px rgba(0,0,0,.3)}
.hero .actions{margin-top:30px}
.hero .btn-ghost{border-color:rgba(255,255,255,.8);color:#fff}
.hero .btn-ghost:hover{background:rgba(255,255,255,.14)}

/* page head */
.page-head{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(112deg, var(--ph1,#0f342b) 0%, var(--ph2,#2f8468) 100%);
}
.page-head::after{
  content:"";position:absolute;right:0;bottom:-1px;width:min(620px,62%);height:100%;
  background:url("img/forest.svg") right bottom/auto 70% no-repeat;opacity:.3;
}
.page-head .wrap{position:relative;z-index:1;padding-top:52px;padding-bottom:44px}
.page-head h1{font-size:27px;margin:0;letter-spacing:.02em;color:#fff}
body.p-cf{--ph1:#0f342b;--ph2:#2a7f65}
body.p-consult{--ph1:#12303f;--ph2:#2b7a6b}
body.p-company{--ph1:#243a36;--ph2:#4a7f6d}
body.p-contact{--ph1:#0f342b;--ph2:#3d8f74}

.anchors{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:22px}
.anchors a{font-size:13px;color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.42);border-radius:999px;padding:5px 13px;background:rgba(255,255,255,.10)}
.anchors a:hover{background:#fff;color:#0f342b;border-color:#fff;opacity:1}
section[id]{scroll-margin-top:20px}

main .wrap{padding-top:52px;padding-bottom:8px}
section{margin-bottom:56px}
h2{font-size:20px;margin:0 0 18px;padding-bottom:10px;border-bottom:2px solid var(--accent);display:inline-block;letter-spacing:.02em}
h3{font-size:16px;margin:32px 0 8px;letter-spacing:.02em}
p{margin:0 0 18px}
.lead{font-size:17px}

/* three columns */
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin:40px 0}
.cols .col{border-top:3px solid var(--accent);padding-top:16px}
.cols h3{margin:0 0 8px;font-size:15px}
.cols p{font-size:14.5px;color:var(--ink-soft);margin:0;line-height:1.85}

/* tables */
.table-scroll{overflow-x:auto;margin:0 0 14px}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line-soft);vertical-align:top}
thead th{background:var(--bg-soft);border-bottom:2px solid var(--line);font-size:13.5px;letter-spacing:.03em;white-space:nowrap}
tbody th{font-weight:600;width:11em;color:var(--ink-soft);white-space:nowrap}

/* notes */
.note{font-size:13px;line-height:1.85;color:var(--ink-faint);margin:0 0 18px;padding-left:1em;text-indent:-1em}

/* steps */
ol.steps{list-style:none;counter-reset:s;margin:0 0 24px;padding:0}
ol.steps li{counter-increment:s;position:relative;padding:0 0 20px 46px;border-left:1px solid var(--line);margin-left:13px}
ol.steps li:last-child{border-left-color:transparent;padding-bottom:0}
ol.steps li::before{
  content:counter(s);position:absolute;left:-13px;top:0;
  width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;
  font-size:13px;line-height:26px;text-align:center;font-weight:700;
}
ol.steps b{display:block;font-size:15.5px;margin-bottom:2px}
ol.steps span{font-size:14.5px;color:var(--ink-soft)}

/* faq */
.faq dt{font-weight:700;font-size:15.5px;margin:26px 0 6px}
.faq dt:first-child{margin-top:0}
.faq dd{margin:0;color:var(--ink-soft);font-size:15px}

/* callout */
.callout{background:var(--accent-soft);border-left:3px solid var(--accent);padding:22px 24px;margin:0 0 18px}
.callout p:last-child{margin-bottom:0}

/* buttons */
.actions{display:flex;flex-wrap:wrap;gap:12px;margin:36px 0 0}
.btn{display:inline-block;padding:13px 26px;border-radius:3px;text-decoration:none;font-size:15px;font-weight:700;letter-spacing:.03em}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{opacity:.85}
.btn-ghost{border:1px solid var(--accent);color:var(--accent)}
.btn-ghost:hover{background:var(--accent-soft);opacity:1}

/* form */
form.contact{margin:0 0 8px}
.field{margin:0 0 22px}
.field label{display:block;font-size:14.5px;font-weight:700;margin:0 0 6px}
.field .req{color:#b3261e;font-size:12.5px;margin-left:6px;font-weight:400}
.field .opt{color:var(--ink-faint);font-size:12.5px;margin-left:6px;font-weight:400}
.field input[type=text],.field input[type=email],.field input[type=tel],.field textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:3px;
  font-family:inherit;font-size:15px;line-height:1.7;color:var(--ink);background:#fff;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}
.radios{display:grid;gap:8px}
.radios label{display:flex;align-items:flex-start;gap:9px;font-size:15px;font-weight:400}
.radios input{margin-top:6px}
.hp{position:absolute;left:-9999px}

/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);margin-top:64px}
.site-footer .wrap{padding-top:40px;padding-bottom:48px}
.site-footer .fname{font-weight:700;font-size:15px;margin:0 0 6px}
.site-footer p{font-size:13.5px;color:var(--ink-soft);margin:0 0 6px}
.site-footer .disc{margin-top:22px}
.site-footer .disc p{font-size:12.5px;color:var(--ink-faint);line-height:1.85;padding-left:1em;text-indent:-1em;margin:0 0 6px}
.site-footer .copy{margin-top:24px;font-size:12.5px;color:var(--ink-faint)}

/* two business pillars */
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:8px 0 40px}
.pillar{border:1px solid var(--line);border-radius:4px;padding:28px 26px 26px;display:flex;flex-direction:column}
.pillar .tag{display:inline-block;align-self:flex-start;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.06em;padding:4px 10px;border-radius:2px;margin-bottom:14px}
.pillar h3{margin:0 0 10px;font-size:18px}
.pillar p{font-size:14.5px;color:var(--ink-soft);margin:0 0 18px;line-height:1.85}
.pillar .more{margin-top:auto;font-size:14px;font-weight:700;text-decoration:none}
.pillar .more::after{content:" →"}

/* product figure */
.figure{margin:0 0 26px;text-align:center}
.figure img{max-width:100%}
.figure figcaption{font-size:12.5px;color:var(--ink-faint);margin-top:10px}
.figure-product{display:flex;gap:36px;align-items:center;flex-wrap:wrap;margin:0 0 8px}
.figure-product img{width:190px;flex:none}
.figure-product .txt{flex:1;min-width:240px}
.figure-product .txt p:last-child{margin-bottom:0}

/* use cases */
.uses{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:28px 0 18px}
.use{text-align:center}
.use img{height:62px;width:auto;object-fit:contain}
.use span{display:block;font-size:13.5px;color:var(--ink-soft);margin-top:8px}

/* check list */
ul.checks{list-style:none;margin:0 0 20px;padding:0}
ul.checks li{position:relative;padding:0 0 12px 26px;font-size:15.5px}
ul.checks li::before{content:"";position:absolute;left:2px;top:.62em;width:9px;height:9px;border-radius:50%;background:var(--accent)}

@media (max-width:680px){
  .pillars{grid-template-columns:1fr;gap:18px;margin-bottom:30px}
  .uses{grid-template-columns:repeat(2,1fr);gap:22px}
  .figure-product{gap:22px}
  .figure-product img{width:150px;margin:0 auto}
}

@media (max-width:680px){
  body{font-size:15.5px}
  .hero .wrap{padding-top:60px;padding-bottom:96px}
  .hero h1{font-size:25px}
  .hero::after{height:80px}
  .page-head .wrap{padding-top:38px;padding-bottom:32px}
  .page-head h1{font-size:22px}
  .page-head::after{width:78%;opacity:.22}
  .cols{grid-template-columns:1fr;gap:32px;margin:32px 0}
  .site-header .wrap{padding-bottom:16px}
  nav.main{margin-left:0;width:100%;margin-top:10px}
  nav.main ul{gap:6px 16px}
  tbody th{width:auto;white-space:normal}
  .btn{width:100%;text-align:center}
}

.sp-br{display:none}
@media (max-width:520px){.sp-br{display:inline}}