/* ========== RESET & BASE ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --green:#3D5A3E;
  --green-light:#4E6E4F;
  --green-dark:#2C4230;
  --sage:#8FA68F;
  --sage-light:#A8BDA8;
  --cream:#F4F1EA;
  --cream-dark:#E8E3DA;
  --white:#fff;
  --gray-100:#F5F5F3;
  --gray-400:#9CA3AF;
  --gray-500:#6B7280;
  --gray-600:#4B5563;
  --gray-700:#374151;
  --gray-800:#1F2937;
  --gray-900:#111;
  --font:'Zen Maru Gothic','Hiragino Kaku Gothic ProN',sans-serif;
  --ease:cubic-bezier(0.16,1,0.3,1);
  --radius:20px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--cream);color:var(--gray-800);line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:all .3s}
ul{list-style:none}
.container{max-width:1100px;margin:0 auto;padding:0 40px}
@media(max-width:768px){.container{padding:0 20px}}

/* ========== HEADER ========== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:16px 0;background:rgba(244,241,234,.92);
  backdrop-filter:blur(16px);border-bottom:1px solid transparent;
  transition:border-color .3s,padding .3s;
}
.header.scrolled{border-color:var(--cream-dark);padding:10px 0}
.header-inner{max-width:1100px;margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px}
.logo-leaf{display:flex;align-items:center}
.logo-text{font-size:.9rem;font-weight:700;color:var(--green);line-height:1.3}
.logo-text small{display:block;font-weight:400;font-size:.65rem;color:var(--sage);letter-spacing:.08em}
.nav{display:flex;align-items:center;gap:28px}
.nav-list{display:flex;gap:24px}
.nav-link{font-size:.82rem;font-weight:500;color:var(--gray-600);transition:color .3s}
.nav-link:hover{color:var(--green)}
.nav-cta{
  font-size:.82rem;font-weight:700;color:var(--white);
  background:var(--green);padding:10px 22px;border-radius:100px;
  transition:background .3s;
}
.nav-cta:hover{background:var(--green-light)}

.hamburger{display:none;width:28px;height:20px;background:none;border:none;cursor:pointer;position:relative;z-index:110}
.hamburger span{display:block;width:100%;height:2px;background:var(--gray-700);position:absolute;left:0;transition:all .3s var(--ease)}
.hamburger span:nth-child(1){top:0}
.hamburger span:nth-child(2){top:50%;transform:translateY(-50%)}
.hamburger span:nth-child(3){bottom:0}
.hamburger.active span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg)}
@media(max-width:840px){
  .hamburger{display:block}
  .nav{position:fixed;inset:0;background:var(--cream);flex-direction:column;align-items:center;justify-content:center;gap:24px;opacity:0;visibility:hidden;transition:all .4s var(--ease)}
  .nav.open{opacity:1;visibility:visible}
  .nav-list{flex-direction:column;align-items:center;gap:20px}
  .nav-link{font-size:1.1rem}
  .header-inner{padding:0 20px}
}

/* ========== HERO ========== */
.hero{
  min-height:100vh;display:flex;align-items:center;
  position:relative;overflow:hidden;padding:0;
}
.hero-photo{position:absolute;inset:0;z-index:1}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-blob{position:absolute;inset:0;z-index:2;width:100%;height:100%}
.hero-content{
  position:relative;z-index:3;
  max-width:1100px;margin:0 auto;width:100%;
  padding:160px 40px 100px;
}
.hero-eyebrow{
  font-size:.75rem;font-weight:500;letter-spacing:.15em;
  color:var(--sage);margin-bottom:16px;
}
.hero-title{
  font-size:clamp(2.4rem,5.5vw,4rem);font-weight:900;
  color:var(--green-dark);line-height:1.35;margin-bottom:24px;
}
.hero-desc{font-size:.95rem;color:var(--gray-600);line-height:2.1;max-width:480px;margin-bottom:40px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-leaf-float{position:absolute;bottom:60px;right:60px;z-index:3;animation:leafFloat 6s ease-in-out infinite}
@keyframes leafFloat{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-20px) rotate(8deg)}}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.88rem;font-weight:700;padding:14px 30px;
  border-radius:100px;transition:all .3s var(--ease);font-family:var(--font);
}
.btn--leaf{background:var(--green);color:var(--white)}
.btn--leaf:hover{background:var(--green-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(61,90,62,.25)}
.btn--ghost{background:transparent;color:var(--green);border:1.5px solid var(--green)}
.btn--ghost:hover{background:var(--green);color:var(--white)}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.88rem;font-weight:700;color:var(--green);
  transition:gap .3s var(--ease);
}
.link-arrow:hover{gap:14px}

@media(max-width:768px){.hero-content{padding:140px 20px 80px}}

/* ========== ECO STATS ========== */
.eco-stats{padding:80px 0;background:var(--white)}
.eco-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.eco-ring-card{
  text-align:center;background:var(--cream);
  border-radius:var(--radius);padding:36px 20px;
  transition:transform .4s var(--ease);
}
.eco-ring-card:hover{transform:translateY(-4px)}
.ring-wrap{position:relative;width:120px;height:120px;margin:0 auto 20px}
.ring-svg{width:100%;height:100%}
.ring-value{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-size:1.6rem;font-weight:900;color:var(--green);
}
.ring-value small{font-size:.75rem;font-weight:500}
.eco-ring-card h3{font-size:.9rem;font-weight:700;color:var(--green);margin-bottom:8px}
.eco-ring-card p{font-size:.78rem;color:var(--gray-500);line-height:1.7}
@media(max-width:840px){.eco-grid{grid-template-columns:1fr 1fr;gap:16px}}
@media(max-width:480px){.eco-grid{grid-template-columns:1fr}}

/* ========== SECTIONS ========== */
.section{padding:100px 0}
.section--sage{background:var(--sage-light);background:linear-gradient(180deg,#d4e0d4 0%,#c4d5c4 100%)}
.section--cream{background:var(--cream)}
.section--green{background:var(--green);color:var(--white)}

.section-label{
  font-size:.72rem;font-weight:700;letter-spacing:.18em;
  color:var(--sage);display:block;margin-bottom:12px;text-transform:uppercase;
}
.section-label--light{color:rgba(255,255,255,.5)}
.section-title{font-size:clamp(1.7rem,3.5vw,2.4rem);font-weight:900;line-height:1.45;color:var(--green-dark)}
.section-header-center{text-align:center;margin-bottom:56px}
.section-sub{font-size:.9rem;color:var(--gray-600);margin-top:14px}

@media(max-width:768px){.section{padding:72px 0}}

/* ========== PHILOSOPHY ========== */
.philosophy-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.philosophy-line{width:48px;height:3px;background:var(--green);border-radius:2px;margin:24px 0}
.philosophy-text p{font-size:.92rem;color:var(--gray-600);line-height:2.1;margin-bottom:16px}
.philosophy-text p:last-of-type{margin-bottom:32px}
.philosophy-card-stack{display:flex;flex-direction:column;gap:16px}
.philosophy-mini-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--white);border-radius:var(--radius);padding:24px;
  box-shadow:0 2px 12px rgba(0,0,0,.04);
  transition:transform .3s var(--ease);
}
.philosophy-mini-card:hover{transform:translateX(6px)}
.mini-icon{
  width:44px;height:44px;background:var(--cream);border-radius:12px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.philosophy-mini-card h4{font-size:.88rem;font-weight:700;color:var(--green);margin-bottom:4px}
.philosophy-mini-card p{font-size:.78rem;color:var(--gray-500);line-height:1.7}
@media(max-width:840px){.philosophy-layout{grid-template-columns:1fr;gap:48px}}

/* ========== SERVICE ========== */
.service-card-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.svc-card{
  background:var(--white);border-radius:var(--radius);padding:36px 32px;
  box-shadow:0 2px 12px rgba(0,0,0,.04);
  transition:transform .4s var(--ease),box-shadow .4s;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,.08)}
.svc-num{font-size:.72rem;font-weight:900;color:var(--sage);letter-spacing:.1em;margin-bottom:12px}
.svc-card h3{font-size:1.1rem;font-weight:700;color:var(--green-dark);margin-bottom:10px}
.svc-card p{font-size:.85rem;color:var(--gray-600);line-height:1.9;margin-bottom:16px}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px}
.svc-tags li{
  font-size:.72rem;font-weight:500;color:var(--green);
  background:rgba(61,90,62,.08);padding:4px 12px;border-radius:100px;
}
@media(max-width:640px){.service-card-grid{grid-template-columns:1fr}}

/* ========== IMPACT TIMELINE ========== */
.impact-timeline{max-width:700px;margin:0 auto;position:relative;padding-left:60px}
.impact-timeline::before{
  content:'';position:absolute;left:20px;top:0;bottom:0;
  width:2px;background:var(--cream-dark);
}
.impact-item{position:relative;margin-bottom:40px}
.impact-item:last-child{margin-bottom:0}
.impact-year{
  position:absolute;left:-60px;top:0;
  font-size:.8rem;font-weight:900;color:var(--green);
  background:var(--cream);padding:4px 0;
}
.impact-year::after{
  content:'';position:absolute;right:-28px;top:8px;
  width:10px;height:10px;border-radius:50%;
  background:var(--green);border:3px solid var(--cream);
}
.impact-body h3{font-size:1rem;font-weight:700;color:var(--green-dark);margin-bottom:6px}
.impact-body p{font-size:.85rem;color:var(--gray-600);line-height:1.9}

/* ========== PROJECTS ========== */
.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.project-card{
  border-radius:var(--radius);overflow:hidden;background:var(--white);
  box-shadow:0 2px 12px rgba(0,0,0,.04);
  transition:transform .4s var(--ease),box-shadow .4s;
}
.project-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.project-image{overflow:hidden}
.project-image svg{width:100%;height:auto;display:block;transition:transform .6s var(--ease)}
.project-card:hover .project-image svg{transform:scale(1.03)}
.project-body{padding:22px 26px}
.project-tag{
  font-size:.68rem;font-weight:700;color:var(--green);
  background:rgba(61,90,62,.08);padding:4px 12px;border-radius:100px;
}
.project-body h3{font-size:1rem;font-weight:700;margin:10px 0 6px;color:var(--green-dark)}
.project-body p{font-size:.8rem;color:var(--gray-500)}
@media(max-width:640px){.project-grid{grid-template-columns:1fr}}

/* ========== COMPANY ========== */
.company-card{
  background:var(--white);border-radius:var(--radius);padding:48px;
  box-shadow:0 2px 16px rgba(0,0,0,.05);max-width:780px;margin:0 auto;
}
.info-table{display:flex;flex-direction:column}
.info-row{display:flex;padding:14px 0;border-bottom:1px solid var(--cream-dark)}
.info-row:last-child{border:none}
.info-row dt{width:130px;flex-shrink:0;font-size:.82rem;font-weight:700;color:var(--sage)}
.info-row dd{font-size:.88rem;color:var(--gray-800)}
@media(max-width:640px){
  .company-card{padding:28px 24px}
  .info-row{flex-direction:column;gap:4px}
  .info-row dt{width:auto}
}

/* ========== RECRUIT ========== */
.recruit-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.recruit-desc{font-size:.92rem;color:var(--gray-600);line-height:2.1;margin:20px 0 32px}
.recruit-features{display:flex;flex-direction:column;gap:16px}
.recruit-feat{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px;border-radius:var(--radius);
  background:var(--white);transition:transform .3s var(--ease);
}
.recruit-feat:hover{transform:translateX(6px)}
.feat-icon{
  width:40px;height:40px;background:var(--cream);border-radius:10px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.recruit-feat h4{font-size:.9rem;font-weight:700;color:var(--green-dark);margin-bottom:4px}
.recruit-feat p{font-size:.78rem;color:var(--gray-500);line-height:1.7}
@media(max-width:840px){.recruit-layout{grid-template-columns:1fr;gap:40px}}

/* ========== CONTACT ========== */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.contact-desc{font-size:.92rem;color:rgba(255,255,255,.65);line-height:2;margin-top:16px}
.contact-right{display:flex;flex-direction:column;gap:14px}
.contact-box{
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  padding:22px 26px;border-radius:var(--radius);color:var(--white);
  transition:background .3s,transform .3s var(--ease);
}
.contact-box:hover{background:rgba(255,255,255,.14);transform:translateX(6px)}
.contact-box-icon{flex-shrink:0;opacity:.8}
.contact-box-title{display:block;font-size:1rem;font-weight:700}
.contact-box-sub{display:block;font-size:.75rem;opacity:.55;margin-top:2px}
@media(max-width:840px){.contact-layout{grid-template-columns:1fr;gap:40px}}

/* ========== FOOTER ========== */
.footer{background:var(--gray-900);color:var(--gray-400);padding:64px 0 32px}
.footer-top{display:grid;grid-template-columns:1fr 2fr;gap:60px;margin-bottom:48px}
.footer-address{font-size:.8rem;color:var(--gray-500);margin-top:16px;line-height:1.8}
.footer-nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-nav-grid h4{font-size:.75rem;font-weight:700;color:var(--gray-500);letter-spacing:.08em;margin-bottom:12px}
.footer-nav-grid a{display:block;font-size:.8rem;color:var(--gray-400);padding:3px 0;transition:color .3s}
.footer-nav-grid a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:24px;text-align:center}
.footer-bottom p{font-size:.7rem;color:var(--gray-600)}
@media(max-width:840px){.footer-top{grid-template-columns:1fr;gap:32px}}

/* ========== ANIMATIONS ========== */
[data-anim]{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-anim].visible{opacity:1;transform:translateY(0)}
[data-delay="1"]{transition-delay:.15s}
[data-delay="2"]{transition-delay:.3s}
[data-delay="3"]{transition-delay:.45s}