:root{
  --green:#004020; --green-deep:#002915; --green-soft:#0a5433;
  --gold:#CEA960; --gold-bright:#E0BE78; --gold-deep:#B5904A;
  --ink:#1c1c1a; --muted:#5b6360; --line:#e5e7e4;
  --bg:#ffffff; --bg-soft:#f6f7f4; --bg-green-tint:#f1f5f2;
  --serif:'Noto Serif JP',serif; --sans:'Noto Sans JP',sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);line-height:1.9;background:var(--bg);-webkit-font-smoothing:antialiased;font-weight:400;letter-spacing:.01em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
section{padding:clamp(64px,9vw,120px) 0}
.eyebrow{font-size:.8rem;letter-spacing:.22em;font-weight:700;color:var(--gold-deep);text-transform:uppercase;margin-bottom:18px}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.5;letter-spacing:.02em}
.lead{font-size:clamp(1rem,1.5vw,1.12rem);color:var(--muted);margin-top:22px}
.btn{display:inline-flex;align-items:center;gap:.6em;font-family:var(--sans);font-weight:700;font-size:1rem;padding:16px 34px;border-radius:999px;transition:.25s;cursor:pointer;border:2px solid transparent}
.btn-gold{background:var(--gold);color:var(--green-deep)}
.btn-gold:hover{background:var(--gold-bright);transform:translateY(-2px);box-shadow:0 12px 28px rgba(181,144,74,.35)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline{border-color:var(--green);color:var(--green)}
.btn-outline:hover{background:var(--green);color:#fff}
.btn .arw{font-size:1.1em}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:700;color:var(--green);font-size:1.2rem}
.brand img{width:40px;height:40px}
.nav-links{display:flex;align-items:center;gap:34px;font-size:.94rem;font-weight:500}
.nav-links a:not(.btn){color:var(--ink);opacity:.85;transition:.2s}
.nav-links a:not(.btn):hover{opacity:1;color:var(--green)}
.nav-links .btn{padding:11px 24px;font-size:.9rem}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--green);transition:.3s}

/* hero */
.hero{position:relative;background:linear-gradient(160deg,var(--green) 0%,var(--green-deep) 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:url('assets/mark.png');background-repeat:no-repeat;background-position:right -80px center;background-size:min(560px,58%);opacity:.07;filter:brightness(3)}
.hero .wrap{position:relative;padding-top:clamp(70px,10vw,120px);padding-bottom:clamp(70px,10vw,120px)}
.hero h1{font-family:var(--serif);font-weight:700;font-size:clamp(2.1rem,6vw,4rem);line-height:1.42;letter-spacing:.03em;text-shadow:0 2px 20px rgba(0,0,0,.15)}
.hero h1 .accent{color:var(--gold-bright)}
.hero-sub{margin-top:28px;font-size:clamp(1rem,2vw,1.25rem);font-weight:500;color:rgba(255,255,255,.9);line-height:1.9;max-width:34em}
.hero-cta{margin-top:44px;display:flex;gap:16px;flex-wrap:wrap}
.hero-tag{margin-top:40px;font-size:.85rem;letter-spacing:.18em;color:var(--gold-bright);font-weight:700}

/* problem */
.problem{background:var(--bg)}
.problem .big{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.7;font-weight:600;color:var(--ink)}
.problem .big em{font-style:normal;color:var(--green);border-bottom:3px solid var(--gold);padding-bottom:2px}
.problem p{margin-top:26px;font-size:1.05rem;color:var(--muted);max-width:40em}
.problem .turn{margin-top:34px;font-family:var(--serif);font-weight:600;font-size:1.3rem;color:var(--green)}

/* difference (green) */
.diff{background:linear-gradient(160deg,var(--green) 0%,var(--green-deep) 100%);color:#fff}
.diff .eyebrow{color:var(--gold-bright)}
.diff h2{color:#fff}
.diff .cols{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px}
.diff .txt p{color:rgba(255,255,255,.88);font-size:1.05rem;margin-bottom:18px}
.diff .txt strong{color:var(--gold-bright);font-weight:700}
.stack{display:flex;flex-direction:column;gap:16px}
.stack-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:24px 26px}
.stack-item h4{font-family:var(--serif);font-size:1.15rem;color:var(--gold-bright);margin-bottom:8px;font-weight:600}
.stack-item p{color:rgba(255,255,255,.82);font-size:.96rem;margin:0}

/* genki (事業定義) */
.genki{background:var(--bg-green-tint)}
.genki .center{text-align:center;max-width:40em;margin:0 auto}
.genki .define{display:inline-block;font-family:var(--serif);font-weight:700;font-size:clamp(1.8rem,4vw,2.8rem);color:var(--green);margin:8px 0 6px}
.genki .define .g{color:var(--gold-deep)}
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.flow-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 26px;text-align:center;box-shadow:0 4px 18px rgba(0,64,32,.04)}
.flow-card .n{font-family:var(--serif);font-size:1.6rem;color:var(--gold);font-weight:700}
.flow-card h4{font-family:var(--serif);font-size:1.2rem;color:var(--green);margin:10px 0 10px}
.flow-card p{font-size:.94rem;color:var(--muted);margin:0}
.genki .kicker{text-align:center;margin-top:46px;font-family:var(--serif);font-size:1.25rem;color:var(--ink)}
.genki .kicker b{color:var(--green)}

/* philosophy */
.philo{background:var(--green-deep);color:#fff;text-align:center}
.philo .eyebrow{color:var(--gold-bright)}
.philo .lines{max-width:30em;margin:36px auto 0;display:flex;flex-direction:column;gap:26px}
.philo .lines p{font-family:var(--serif);font-size:clamp(1.1rem,2.2vw,1.4rem);line-height:1.9;font-weight:500}
.philo .lines .role{display:block;font-family:var(--sans);font-size:.78rem;letter-spacing:.2em;color:var(--gold-bright);font-weight:700;margin-top:8px}
.philo .tagline{margin-top:48px;font-family:var(--serif);font-size:clamp(1.4rem,3vw,2rem);color:var(--gold-bright);font-weight:700;letter-spacing:.04em}

/* services */
.services{background:var(--bg-soft)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 28px;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(0,64,32,.08);border-color:var(--gold)}
.card .ic{width:46px;height:46px;border-radius:12px;background:var(--bg-green-tint);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--green)}
.card h3{font-family:var(--serif);font-size:1.25rem;color:var(--green);margin-bottom:12px;font-weight:600}
.card p{font-size:.95rem;color:var(--muted);margin-bottom:18px}
.card .more{color:var(--gold-deep);font-weight:700;font-size:.9rem}

/* about */
.about .row{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.about .photo{background:var(--bg-green-tint);border-radius:20px;aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.85rem;border:1px dashed var(--line)}
.about h2{margin-bottom:24px}
.about p{color:var(--muted);margin-bottom:16px;font-size:1.02rem}
.about .creds{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:12px}
.about .creds li{padding-left:26px;position:relative;font-weight:500;color:var(--ink)}
.about .creds li::before{content:"";position:absolute;left:0;top:12px;width:9px;height:9px;border-radius:50%;background:var(--gold)}

/* final cta */
.final{background:linear-gradient(160deg,var(--green) 0%,var(--green-deep) 100%);color:#fff;text-align:center}
.final h2{color:#fff}
.final p{color:rgba(255,255,255,.85);margin-top:18px;font-size:1.08rem}
.final .cta{margin-top:40px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.final .sub-links{margin-top:34px;font-size:.9rem;color:rgba(255,255,255,.7)}
.final .sub-links a{color:var(--gold-bright);font-weight:700;border-bottom:1px solid transparent;transition:.2s}
.final .sub-links a:hover{border-color:var(--gold-bright)}

/* footer */
footer{background:var(--green-deep);color:rgba(255,255,255,.7);padding:56px 0 32px;font-size:.9rem}
.foot{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot .brand{color:#fff}
.foot .brand img{filter:brightness(0) invert(1)}
.foot-links{display:flex;gap:28px;flex-wrap:wrap}
.foot-links a{opacity:.8}.foot-links a:hover{opacity:1;color:var(--gold-bright)}
.copy{margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem;opacity:.6;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

@media(max-width:860px){
  .nav-links{position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;padding:24px;gap:20px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:.3s;box-shadow:0 20px 40px rgba(0,0,0,.08)}
  .nav-links.open{transform:translateY(0)}
  .burger{display:flex}
  .diff .cols{grid-template-columns:1fr;gap:32px}
  .flow,.grid{grid-template-columns:1fr}
  .about .row{grid-template-columns:1fr;gap:32px}
  .about .photo{aspect-ratio:16/10;max-width:340px}
}
.reveal{opacity:0;transform:translateY(24px);transition:.7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== 下層ページ共通 ===== */
.subhero{background:linear-gradient(160deg,var(--green) 0%,var(--green-deep) 100%);color:#fff;padding:clamp(80px,11vw,140px) 0 clamp(56px,7vw,90px)}
.subhero .eyebrow{color:var(--gold-bright)}
.subhero h1{font-family:var(--serif);font-weight:700;font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.5;letter-spacing:.03em}
.subhero .sub{margin-top:20px;font-size:clamp(1rem,1.8vw,1.2rem);color:var(--gold-bright);font-weight:600}
.section-narrow{max-width:820px}
.forwho{background:var(--bg-soft)}
.forwho ul{list-style:none;margin-top:36px;display:grid;gap:16px}
.forwho li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px 20px 54px;position:relative;font-size:1.05rem;font-weight:500}
.forwho li::before{content:"✓";position:absolute;left:22px;top:19px;color:var(--gold-deep);font-weight:900}
.prose p{font-size:1.08rem;color:var(--ink);margin-bottom:20px;line-height:2}
.prose strong{color:var(--green);font-weight:700}
.steps{counter-reset:s;margin-top:44px;display:grid;gap:0}
.step{position:relative;padding:0 0 34px 64px;border-left:2px solid var(--line);margin-left:22px}
.step:last-child{border-left-color:transparent;padding-bottom:0}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:-22px;top:-4px;width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;font-family:var(--serif);font-weight:700;display:flex;align-items:center;justify-content:center}
.step h4{font-family:var(--serif);font-size:1.2rem;color:var(--green);margin-bottom:6px;font-weight:600}
.step p{color:var(--muted);font-size:.98rem}
.midcta{text-align:center;margin-top:8px}


.photo-img{width:100%;border-radius:20px;box-shadow:0 14px 34px rgba(0,64,32,.14);display:block}