@import url('https://fonts.googleapis.com/css2?family=Zen+Old+Mincho:wght@500;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root{
  --green-dark:#4d6b55;
  --green:#6f8f74;
  --green-soft:#eef3ec;
  --blue:#5b7b9a;
  --blue-soft:#eaf1f6;
  --cream:#fbf7f1;
  --paper:#ffffff;
  --ink:#3a362f;
  --ink-soft:#7a756a;
  --line:#e6e0d4;
  --radius:14px;
  --shadow:0 8px 30px rgba(60,50,30,.08);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Noto Sans JP',sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.9;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.brand{font-family:'Zen Old Mincho',serif;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px;}
section{padding:72px 0;}

/* header */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(251,247,241,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;}
.brand{font-size:19px;font-weight:700;color:var(--green-dark);letter-spacing:.03em;}
.brand small{display:block;font-family:'Noto Sans JP',sans-serif;font-weight:300;font-size:11px;color:var(--ink-soft);letter-spacing:.1em;}
nav.primary{display:flex;gap:30px;}
nav.primary a{font-size:14px;color:var(--ink);position:relative;padding:4px 0;}
nav.primary a.active,nav.primary a:hover{color:var(--green-dark);}
nav.primary a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--green);}
.navtoggle{display:none;background:none;border:none;font-size:26px;color:var(--green-dark);cursor:pointer;}

/* hero */
.hero{position:relative;min-height:62vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(40,50,40,.25) 0%,rgba(30,38,30,.78) 100%);}
.hero-inner{position:relative;z-index:2;padding:60px 0;}
.eyebrow{font-size:13px;letter-spacing:.2em;opacity:.9;margin-bottom:14px;}
.hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.5;margin:0 0 18px;font-weight:700;}
.hero p{max-width:520px;font-size:15px;opacity:.92;}

.page-hero{position:relative;padding:150px 0 50px;color:#fff;overflow:hidden;}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(40,50,40,.35),rgba(30,38,30,.8));}
.page-hero .wrap{position:relative;z-index:2;}
.page-hero h1{font-size:clamp(26px,3.6vw,38px);margin:10px 0 10px;}
.page-hero p{opacity:.92;max-width:560px;font-size:14.5px;}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:14px;letter-spacing:.03em;border:1px solid transparent;cursor:pointer;}
.btn-primary{background:var(--green-dark);color:#fff;}
.btn-primary:hover{background:var(--green);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.22);}
.btn-outline{border-color:var(--green);color:var(--green-dark);}
.btn-outline:hover{background:var(--green-soft);}

/* section heading */
.sec-head{text-align:center;max-width:620px;margin:0 auto 46px;}
.sec-head .eyebrow{color:var(--green-dark);font-weight:500;}
.sec-head h2{font-size:clamp(22px,3vw,30px);margin:8px 0 14px;}
.sec-head p{color:var(--ink-soft);font-size:14.5px;}

/* cards grid */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.card{background:var(--paper);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);}
.card .ph{aspect-ratio:4/3;overflow:hidden;}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.card:hover .ph img{transform:scale(1.06);}
.card .body{padding:22px 24px 26px;}
.card .tag{font-size:11.5px;color:var(--green-dark);background:var(--green-soft);padding:3px 10px;border-radius:999px;letter-spacing:.05em;}
.card h3{font-size:17px;margin:12px 0 8px;line-height:1.6;}
.card p{font-size:13.5px;color:var(--ink-soft);margin:0 0 10px;}
.card .meta{font-size:12px;color:#a69f8e;}

/* section alt bg */
.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* concept / about blocks */
.about-block{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center;margin-bottom:70px;}
.about-block.rev{grid-template-columns:1.1fr .9fr;}
.about-block.rev .img-wrap{order:2;}
.about-block .img-wrap img{border-radius:var(--radius);box-shadow:var(--shadow);}
.about-block h3{font-size:21px;margin:0 0 16px;color:var(--green-dark);}
.about-block p{font-size:14.5px;color:#5b5648;}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:10px;}
.pillar{background:var(--paper);padding:30px 24px;border-radius:var(--radius);border:1px solid var(--line);text-align:center;}
.pillar .num{font-family:'Zen Old Mincho',serif;font-size:26px;color:var(--green);margin-bottom:10px;}
.pillar h4{font-size:15.5px;margin:0 0 10px;}
.pillar p{font-size:13px;color:var(--ink-soft);margin:0;}

/* timeline */
.timeline{position:relative;margin:0;padding:0;list-style:none;border-left:2px solid var(--green-soft);margin-left:10px;}
.timeline li{position:relative;padding:0 0 34px 30px;}
.timeline li::before{content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--green);border:3px solid var(--green-soft);}
.timeline .t-date{font-size:12.5px;color:var(--green-dark);font-weight:500;letter-spacing:.04em;}
.timeline .t-title{font-size:15.5px;margin:4px 0 6px;}
.timeline .t-body{font-size:13.5px;color:var(--ink-soft);}
.timeline .t-tag{display:inline-block;font-size:11px;padding:2px 9px;border-radius:999px;margin-right:6px;}
.t-tag.med{background:var(--blue-soft);color:var(--blue);}
.t-tag.exam{background:var(--green-soft);color:var(--green-dark);}

/* panel / data demo */
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:30px;}
.demo-banner{background:linear-gradient(135deg,var(--green-dark),var(--green));color:#fff;border-radius:var(--radius);padding:22px 26px;display:flex;gap:16px;align-items:flex-start;margin-bottom:34px;}
.demo-banner .ic{font-size:22px;}
.demo-banner strong{display:block;margin-bottom:4px;font-size:14.5px;}
.demo-banner p{margin:0;font-size:13px;opacity:.92;}
.data-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:26px;align-items:start;}
.chart-tabs{display:flex;gap:8px;margin-bottom:18px;}
.chart-tabs button{border:1px solid var(--line);background:var(--paper);padding:8px 16px;border-radius:999px;font-size:13px;cursor:pointer;color:var(--ink-soft);}
.chart-tabs button.active{background:var(--green-dark);border-color:var(--green-dark);color:#fff;}
canvas{max-width:100%;}
.admin-mock{background:#2b2e2a;border-radius:10px;padding:16px 16px 10px;margin-top:14px;}
.admin-mock .bar{display:flex;gap:6px;margin-bottom:10px;}
.admin-mock .bar span{width:9px;height:9px;border-radius:50%;background:#555;}
.admin-mock .bar span:nth-child(1){background:#e2655b;}
.admin-mock .bar span:nth-child(2){background:#e3b341;}
.admin-mock .bar span:nth-child(3){background:#58c27d;}
.admin-mock .label{color:#bcd6c2;font-size:11px;margin-bottom:8px;letter-spacing:.04em;}
.admin-mock form{display:flex;gap:8px;flex-wrap:wrap;}
.admin-mock input,.admin-mock select{flex:1;min-width:90px;background:#1f211e;border:1px solid #3c3f3a;color:#f1efe8;padding:9px 10px;border-radius:6px;font-size:13px;font-family:inherit;}
.admin-mock button{background:var(--green);color:#fff;border:none;padding:9px 16px;border-radius:6px;font-size:13px;cursor:pointer;}
.admin-mock button:hover{background:var(--green-dark);}
.log-list{list-style:none;margin:14px 0 0;padding:0;font-size:12.5px;color:#9fa89b;max-height:92px;overflow:auto;}
.log-list li{padding:3px 0;border-top:1px dashed #3c3f3a;}
.note{font-size:12.5px;color:var(--ink-soft);margin-top:14px;display:flex;gap:8px;}

/* record table */
table.records{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:10px;}
table.records th,table.records td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;}
table.records th{color:var(--ink-soft);font-weight:500;font-size:12.5px;}

/* contact form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-grid .full{grid-column:1/-1;}
label{font-size:13px;color:var(--ink-soft);display:block;margin-bottom:6px;}
input[type=text],input[type=email],select,textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:14px;background:#fff;color:var(--ink);
}
textarea{resize:vertical;min-height:120px;}
.faq{border-bottom:1px solid var(--line);padding:18px 0;}
.faq h4{margin:0 0 8px;font-size:14.5px;color:var(--green-dark);}
.faq p{margin:0;font-size:13.5px;color:var(--ink-soft);}

/* footer */
footer.site{background:#2d3329;color:#cfd6c7;padding:54px 0 26px;margin-top:60px;}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;}
footer h5{color:#fff;font-size:14px;margin:0 0 14px;}
footer p,footer a{font-size:13px;color:#aab3a0;}
footer ul{list-style:none;padding:0;margin:0;}
footer li{margin-bottom:9px;}
.foot-bottom{text-align:center;font-size:12px;color:#808a76;margin-top:40px;padding-top:20px;border-top:1px solid #434a3c;}
.demo-flag{position:fixed;bottom:16px;right:16px;background:#2d3329;color:#fff;font-size:11.5px;padding:8px 14px;border-radius:999px;z-index:100;opacity:.85;box-shadow:var(--shadow);}

@media(max-width:860px){
  .grid3{grid-template-columns:1fr 1fr;}
  .about-block,.about-block.rev{grid-template-columns:1fr;}
  .about-block.rev .img-wrap{order:0;}
  .data-grid{grid-template-columns:1fr;}
  footer .wrap{grid-template-columns:1fr;}
}
@media(max-width:600px){
  nav.primary{position:fixed;top:72px;left:0;right:0;background:var(--cream);flex-direction:column;padding:18px 24px;gap:4px;border-bottom:1px solid var(--line);display:none;}
  nav.primary.open{display:flex;}
  nav.primary a{padding:10px 0;border-bottom:1px solid var(--line);}
  .navtoggle{display:block;}
  .grid3,.grid2,.pillars,.form-grid{grid-template-columns:1fr;}
  section{padding:50px 0;}
  .hero{min-height:56vh;}
}