:root{
  --teal:#0B7A86;
  --teal-dark:#075A63;
  --teal-light:#E6F3F5;
  --navy:#12343B;
  --ink:#1F2A2E;
  --muted:#5B6B70;
  --line:#D9E3E6;
  --bg:#FFFFFF;
  --bg-alt:#F5F9FA;
  --green:#4EA72E;
  --red:#C8102E;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .5em;font-weight:700;color:var(--navy)}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.2) blur(6px)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy);flex-shrink:0}
.brand:hover{text-decoration:none}
.brand img{height:40px;width:auto}
.brand .name{font-weight:700;font-size:17px;letter-spacing:.02em;line-height:1.2;white-space:nowrap}
.brand .name small{display:block;font-weight:400;font-size:11px;color:var(--muted);letter-spacing:.06em}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
nav.main a{display:block;padding:8px 8px;font-size:13px;color:var(--navy);border-bottom:2px solid transparent;white-space:nowrap}
nav.main a:hover,nav.main a.active{border-bottom-color:var(--teal);text-decoration:none;color:var(--teal)}
nav.main a.lang{border:1px solid var(--line);padding:5px 10px;margin-left:8px;font-size:13px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);width:44px;height:44px;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy);margin:4px auto}
@media (max-width:1400px){.brand .name small{display:none}.brand .name{font-size:15px}}
@media (max-width:1100px){
  nav.main{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;border-bottom:1px solid var(--line);padding:8px 20px 16px}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch;gap:0}
  nav.main a{padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px}
  nav.main a.lang{margin:12px 0 0;display:inline-block;border:1px solid var(--line)}
  .nav-toggle{display:block}
}
/* hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;background:#1c4a3a url(assets/hero.jpg) center/cover no-repeat;color:#fff}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,45,52,.78) 0%,rgba(10,45,52,.55) 55%,rgba(10,45,52,.15) 100%)}
.hero .wrap{position:relative;padding-top:80px;padding-bottom:80px}
.hero .tag{display:inline-block;background:var(--green);color:#fff;font-size:13px;font-weight:700;padding:4px 12px;letter-spacing:.08em;margin-bottom:18px}
.hero h1{color:#fff;font-size:clamp(26px,4vw,44px);font-weight:700;letter-spacing:.01em;margin-bottom:14px;text-shadow:0 2px 10px rgba(0,0,0,.25)}
.hero h1 span{display:block;font-size:.6em;font-weight:500;opacity:.92;margin-top:10px}
.hero p{max-width:640px;font-size:17px;opacity:.95;margin-bottom:28px}
.btn{display:inline-block;background:var(--teal);color:#fff;padding:12px 26px;font-weight:700;font-size:15px;border:2px solid var(--teal);transition:.15s}
.btn:hover{background:var(--teal-dark);border-color:var(--teal-dark);text-decoration:none}
.btn.ghost{background:transparent;color:#fff;border-color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.15)}
.btn.outline{background:#fff;color:var(--teal)}
.btn.outline:hover{background:var(--teal-light)}
.btn+.btn{margin-left:10px}
/* sections */
section{padding:72px 0}
section.alt{background:var(--bg-alt)}
.sec-head{margin-bottom:36px}
.sec-head .en{display:block;color:var(--teal);font-weight:700;font-size:13px;letter-spacing:.14em;margin-bottom:6px}
.sec-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:8px}
.sec-head p{color:var(--muted);max-width:760px;margin:0}
.lead{font-size:17px;color:var(--ink)}
.grid{display:grid;gap:24px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
@media (max-width:860px){.grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);padding:28px}
.card h3{font-size:18px;color:var(--teal-dark);margin-bottom:10px}
.card p{margin:0;color:var(--ink);font-size:15px}
.card .more{display:inline-block;margin-top:14px;font-weight:700;font-size:14px}
.card.link{display:block;color:inherit;transition:.15s}
.card.link:hover{text-decoration:none;border-color:var(--teal);box-shadow:0 6px 24px rgba(11,122,134,.10)}
.card .num{display:inline-block;background:var(--teal);color:#fff;font-weight:700;font-size:12px;letter-spacing:.1em;padding:3px 10px;margin-bottom:12px}
/* page title */
.page-title{background:var(--navy);color:#fff;padding:56px 0 48px}
.page-title .en{color:#8FD3DB;font-weight:700;letter-spacing:.16em;font-size:13px;display:block;margin-bottom:6px}
.page-title h1{color:#fff;font-size:clamp(26px,3.6vw,38px);margin:0}
.page-title p{margin:10px 0 0;opacity:.9;max-width:720px}
.crumbs{font-size:13px;color:var(--muted);padding:14px 0}
.crumbs a{color:var(--muted)}
/* tables */
table.info{width:100%;border-collapse:collapse;font-size:15px}
table.info th,table.info td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.info th{width:180px;background:var(--teal-light);color:var(--teal-dark);font-weight:700;white-space:nowrap}
@media (max-width:600px){table.info th,table.info td{display:block;width:auto}table.info th{padding-bottom:6px}table.info td{padding-top:6px}}
table.data{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
table.data th,table.data td{padding:12px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}
table.data th{background:var(--teal);color:#fff;font-weight:700}
table.data tr:nth-child(even) td{background:var(--bg-alt)}
.table-scroll{overflow-x:auto}
/* timeline */
.timeline{list-style:none;margin:0;padding:0;border-left:3px solid var(--teal-light)}
.timeline li{position:relative;padding:0 0 26px 30px}
.timeline li::before{content:"";position:absolute;left:-9px;top:10px;width:15px;height:15px;background:var(--teal);border:3px solid #fff;box-shadow:0 0 0 2px var(--teal-light)}
.timeline time{display:block;color:var(--teal);font-weight:700;font-size:14px;letter-spacing:.04em}
.timeline .t{font-size:16px}
/* news list */
.news-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.news-list li{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.news-list time{color:var(--teal);font-weight:700;font-size:14px}
@media (max-width:600px){.news-list li{grid-template-columns:1fr;gap:4px}}
/* team */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
@media (max-width:900px){.team{grid-template-columns:repeat(2,1fr)}}
.member{text-align:left}
.member .photo{aspect-ratio:4/5;overflow:hidden;background:var(--bg-alt);border:1px solid var(--line);margin-bottom:14px}
.member .photo img{width:100%;height:100%;object-fit:cover;object-position:top}
.member .role{color:var(--teal);font-weight:700;font-size:13px;letter-spacing:.04em}
.member h3{font-size:18px;margin:2px 0 6px}
.member h3 small{font-size:13px;font-weight:400;color:var(--muted);margin-left:6px}
.member p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.6}
/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line)}
@media (max-width:860px){.steps{grid-template-columns:1fr}}
.step{padding:32px 28px;border-right:1px solid var(--line)}
.step:last-child{border-right:0}
@media (max-width:860px){.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}}
.step .lbl{color:var(--teal);font-weight:700;letter-spacing:.14em;font-size:13px}
.step h3{font-size:20px;margin:6px 0 4px}
.step .big{font-size:30px;font-weight:700;color:var(--navy);line-height:1.2;margin:10px 0 2px}
.step .big small{font-size:14px;font-weight:500;color:var(--muted);margin-left:6px}
.step p{font-size:14.5px;margin-top:12px}
.step.s1{background:#fff}.step.s2{background:var(--bg-alt)}.step.s3{background:#EEF6F7}
.note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:18px}
/* figure */
figure{margin:0}
figure.fig{border:1px solid var(--line);background:#fff;padding:12px}
figure.fig figcaption{font-size:13px;color:var(--muted);padding:10px 4px 0}
.callout{border-left:4px solid var(--teal);background:var(--teal-light);padding:18px 22px;margin:0 0 24px}
.callout strong{color:var(--teal-dark)}
ul.check{list-style:none;padding:0;margin:0}
ul.check li{position:relative;padding:8px 0 8px 32px;border-bottom:1px dashed var(--line);font-size:15.5px}
ul.check li::before{content:"";position:absolute;left:6px;top:17px;width:10px;height:10px;background:var(--teal)}
ul.check.num{counter-reset:n}
ul.check.num li::before{content:counter(n);counter-increment:n;width:22px;height:22px;top:11px;left:0;color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.two{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
@media (max-width:860px){.two{grid-template-columns:1fr}}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.pill{background:var(--teal-light);color:var(--teal-dark);font-size:13px;font-weight:700;padding:5px 12px}
/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:16px}
@media (max-width:860px){.compare{grid-template-columns:1fr}}
.compare .col{border:1px solid var(--line);padding:22px}
.compare .col h3{font-size:16px;padding-bottom:10px;border-bottom:2px solid var(--line);margin-bottom:12px}
.compare .col.ours{border:2px solid var(--teal);background:#fff}
.compare .col.ours h3{border-bottom-color:var(--teal);color:var(--teal-dark)}
.compare ul{margin:0;padding-left:18px;font-size:14px}
.compare li{margin-bottom:6px}
/* pipeline */
.pipe{border:1px solid var(--line);background:#fff;overflow-x:auto}
.pipe table{border-collapse:collapse;width:100%;min-width:760px;font-size:13.5px}
.pipe th{background:var(--teal);color:#fff;padding:10px;text-align:center;font-weight:700;border-right:1px solid rgba(255,255,255,.25)}
.pipe th:first-child,.pipe th:nth-child(2){text-align:left}
.pipe td{padding:12px 10px;border-top:1px solid var(--line);vertical-align:middle;position:relative}
.pipe td.name{font-weight:700;color:var(--navy);white-space:nowrap}
.pipe td.ind{color:var(--muted);white-space:nowrap}
.pipe td.ph{border-left:1px dashed var(--line);text-align:center;color:var(--muted);font-size:12.5px}
.bar{height:16px;background:linear-gradient(90deg,var(--teal-dark),var(--teal));position:relative}
.bar::after{content:"";position:absolute;right:-8px;top:0;border-left:8px solid var(--teal);border-top:8px solid transparent;border-bottom:8px solid transparent}
.bar.w1{width:35%}.bar.w2{width:70%}.bar.w3{width:100%}
/* access */
.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:860px){.access-grid{grid-template-columns:1fr}}
/* form */
form.contact{display:grid;gap:16px;max-width:680px}
form.contact label{font-weight:700;font-size:14px;color:var(--navy)}
form.contact label span{color:var(--red);font-size:12px;margin-left:6px}
form.contact input,form.contact textarea,form.contact select{width:100%;padding:12px 14px;border:1px solid var(--line);font:inherit;font-size:15px;background:#fff}
form.contact input:focus,form.contact textarea:focus{outline:2px solid var(--teal);border-color:var(--teal)}
form.contact textarea{min-height:160px;resize:vertical}
form.contact button{justify-self:start}
/* support */
.support{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:700px){.support{grid-template-columns:1fr}}
.support .box{border:1px solid var(--line);padding:22px}
.support .box h3{font-size:15px;color:var(--teal);letter-spacing:.06em}
.support .box p{margin:0;font-size:15px}
/* cta band */
.band{background:var(--teal);color:#fff;padding:56px 0;text-align:center}
.band h2{color:#fff;font-size:clamp(20px,2.6vw,26px);margin-bottom:18px}
.band .btn{background:#fff;color:var(--teal);border-color:#fff}
.band .btn:hover{background:var(--teal-light)}
/* footer */
footer{background:var(--navy);color:#C9D6DA;padding:48px 0 28px;font-size:14px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:28px}
@media (max-width:760px){footer .cols{grid-template-columns:1fr}}
footer h4{color:#fff;font-size:14px;letter-spacing:.06em;margin-bottom:10px}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:6px}
footer a{color:#C9D6DA}
footer .logos{display:flex;gap:12px;align-items:center;margin-bottom:12px}
footer .logos img{height:44px;background:#fff;padding:3px}
footer .copy{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;font-size:12.5px;color:#93A6AC}
.pager{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:8px 0 56px}
.pager a{border:1px solid var(--line);padding:12px 18px;font-size:14px;font-weight:700;color:var(--navy)}
.pager a:hover{border-color:var(--teal);color:var(--teal);text-decoration:none}
.sub-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px}
.sub-nav a{font-size:13.5px;border:1px solid var(--line);padding:6px 12px;color:var(--navy)}
.sub-nav a:hover{border-color:var(--teal);color:var(--teal);text-decoration:none}
.disclaimer{font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:24px}

.map-embed{border:1px solid var(--line);background:var(--bg-alt)}

.fig-grid figure.fig{display:flex;flex-direction:column}
.fig-grid figure.fig img{height:200px;width:100%;object-fit:contain;background:#fff}
.fig-grid figure.fig figcaption{margin-top:auto}
.table-scroll table{min-width:720px}
.organ .card{padding:20px}
.organ .card h3{font-size:16px;margin-bottom:6px}
.organ .card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.band .btn.ghost{background:transparent;color:#fff;border-color:#fff;margin-left:10px}
.band .btn.ghost:hover{background:rgba(255,255,255,.15)}