/* =========================================================
   K'sBENCH — styles.css
   ========================================================= */

:root{
  --green:#1b5e2a;
  --ink:#23241f;
  --muted:#4c4d45;
  --bg:#fff;
  --bg-alt:#f8f8f8;
  --hero-dark:#040c05;
  --max:1180px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Noto Sans JP',sans-serif;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}

.mono{font-family:'Arvo',serif;}
.eyebrow{font-family:'Arvo',serif;font-size:18px;letter-spacing:3px;color:var(--green);font-weight:700;}
.section-title{font-size:clamp(26px,3.6vw,38px);font-weight:900;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;border-radius:999px;cursor:pointer;
  white-space:nowrap;border:none;font-family:'Noto Sans JP',sans-serif;
}
.btn .arrow{font-size:17px;line-height:1;}
.btn-primary{background:var(--green);color:#fff;font-size:15px;padding:15px 30px;}
.btn-outline{border:1.5px solid rgba(255,255,255,.55);color:#fff;font-size:15px;padding:15px 30px;backdrop-filter:blur(2px);}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:#fff;box-shadow:0 1px 14px rgba(0,0,0,.08);
}
.header-inner{
  max-width:1400px;margin:0 auto;padding:0 clamp(18px,4vw,36px);
  height:74px;display:flex;align-items:center;justify-content:space-between;
}
.logo img{height:46px;width:auto;}
.nav-links{display:flex;align-items:center;gap:clamp(14px,2.4vw,30px);}
.nav-a{font-weight:500;font-size:14px;color:var(--ink);padding:4px 0;transition:opacity .2s;}
.nav-a:hover{opacity:.65;}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;background:var(--green);
  color:#fff;font-weight:700;font-size:13px;padding:10px 20px;border-radius:999px;white-space:nowrap;
}
.header-cta svg{flex:none;}

.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--green);border-radius:2px;transition:transform .3s,opacity .3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* =========================================================
   Hero
   ========================================================= */
.hero-wrap{position:relative;}
.hero{
  position:relative;min-height:100vh;background:var(--hero-dark);
  overflow:hidden;margin-left:clamp(44px,8vw,128px);
}
.hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;}
.hero-overlay-1{position:absolute;inset:0;pointer-events:none;z-index:2;
  background:linear-gradient(90deg,rgba(4,12,5,.82) 0%,rgba(4,12,5,.5) 42%,rgba(4,12,5,.15) 70%,rgba(4,12,5,.45) 100%);}
.hero-overlay-2{position:absolute;inset:0;pointer-events:none;z-index:2;
  background:linear-gradient(180deg,rgba(4,12,5,.55) 0%,rgba(4,12,5,0) 28%,rgba(4,12,5,0) 70%,rgba(4,12,5,.6) 100%);}

.hero-vert{position:absolute;right:clamp(16px,3vw,40px);top:50%;transform:translateY(-50%);z-index:5;
  display:flex;align-items:center;gap:16px;pointer-events:none;}
.hero-vert span:first-child{writing-mode:vertical-rl;font-size:13px;letter-spacing:6px;font-weight:500;
  color:rgba(255,255,255,.78);text-shadow:0 1px 6px rgba(0,0,0,.5);}
.hero-vert .vrule{width:1px;height:96px;background:rgba(255,255,255,.4);}

.hero-copy{position:relative;z-index:4;min-height:100vh;display:flex;flex-direction:column;
  justify-content:center;padding:clamp(120px,16vh,180px) clamp(56px,9vw,140px);pointer-events:none;}
.hero-copy-inner{max-width:900px;}
.hero-eyebrow{font-size:clamp(13px,1.5vw,17px);letter-spacing:3px;color:#fff;font-weight:500;text-shadow:0 1px 8px rgba(0,0,0,.5);}
.hero-title{font-size:clamp(32px,6vw,80px);font-weight:900;line-height:1.12;margin-top:clamp(14px,2vw,26px);
  letter-spacing:2px;color:#fff;text-shadow:0 2px 30px rgba(0,0,0,.5);}
.hero-rule{margin-top:clamp(20px,2.6vw,34px);width:min(440px,60vw);height:2px;background:#fff;}
.hero-lead{margin-top:clamp(20px,2.6vw,30px);font-size:clamp(12px,1.2vw,16px);line-height:2;color:#e8efe9;
  max-width:520px;font-weight:400;text-shadow:0 1px 10px rgba(0,0,0,.55);}
.hero-actions{margin-top:clamp(28px,3.4vw,40px);display:flex;flex-wrap:wrap;gap:14px;pointer-events:auto;}

/* Scroll-down indicator (in the left margin) */
.scroll-down{position:absolute;left:0;bottom:34px;width:clamp(44px,8vw,128px);z-index:6;
  display:flex;flex-direction:column;align-items:center;gap:12px;pointer-events:none;}
.scroll-down span{font-family:'Arvo',serif;font-size:11px;letter-spacing:3px;color:var(--green);writing-mode:vertical-rl;font-weight:600;}
.scroll-track{position:relative;width:2px;height:72px;background:rgba(27,94,42,.18);overflow:hidden;border-radius:2px;}
.scroll-bar{position:absolute;top:0;left:0;width:100%;height:50%;
  background:linear-gradient(to bottom,rgba(27,94,42,0),var(--green));
  animation:scrollFlow 1.8s cubic-bezier(.4,0,.2,1) infinite;}
@keyframes scrollFlow{0%{transform:translateY(-120%);}60%{transform:translateY(120%);}100%{transform:translateY(120%);}}

/* =========================================================
   Stats strip
   ========================================================= */
.stats{background:var(--bg-alt);color:var(--ink);}
.stats-inner{max-width:var(--max);margin:0 auto;display:flex;flex-wrap:wrap;text-align:center;}
.stat-item{flex:1 1 160px;padding:28px 12px;}
.stat-item + .stat-item{border-left:1px solid #e6e6e6;}
.stat-num{font-size:30px;font-weight:900;color:var(--green);}
.stat-sub{font-size:12px;color:#4a4a4a;margin-top:6px;letter-spacing:1px;}

/* =========================================================
   About
   ========================================================= */
.about{max-width:var(--max);margin:0 auto;padding:clamp(64px,9vw,110px) clamp(24px,5vw,40px);text-align:center;}
.marquee{overflow:hidden;width:100vw;margin-left:calc(50% - 50vw);margin-bottom:clamp(28px,4vw,52px);}
.marquee-track{display:flex;width:max-content;animation:aboutMarquee 42s linear infinite;will-change:transform;}
.marquee-group{display:flex;gap:56px;padding-right:56px;}
.marquee-word{font-family:'Arvo',serif;font-size:clamp(40px,7vw,90px);letter-spacing:3px;color:var(--green);font-weight:700;white-space:nowrap;}
.marquee-word--outline{color:transparent;-webkit-text-stroke:1px var(--green);}
@keyframes aboutMarquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

.about-cols{display:flex;gap:40px;text-align:left;}
.about-head{display:flex;flex-direction:column;gap:12px;width:100%;align-items:flex-start;}
.about-head .section-title{line-height:1.4;}
.about-text{font-size:clamp(15px,1.5vw,17px);line-height:2.1;color:var(--muted);text-wrap:pretty;}

/* =========================================================
   Service
   ========================================================= */
.service{padding:clamp(64px,9vw,110px) clamp(24px,5vw,40px);background:var(--bg-alt);}
.service-inner{max-width:var(--max);margin:0 auto;}
.section-head{text-align:center;margin-bottom:clamp(36px,5vw,56px);}
.section-head .section-title{margin-top:14px;color:var(--ink);}
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px;}
.service-card{background:#fff;border-radius:12px;overflow:hidden;}
.service-thumb{height:230px;overflow:hidden;}
.service-thumb img{width:100%;height:100%;object-fit:cover;}
.service-body{padding:30px clamp(24px,3vw,34px) 34px;}
.service-head{display:flex;align-items:center;gap:12px;}
.service-no{font-family:'Arvo',serif;font-size:26px;font-weight:700;color:#cfd6c8;}
.service-name{font-size:23px;font-weight:900;}
.service-desc{margin-top:14px;font-size:15px;line-height:1.95;color:var(--muted);}

/* =========================================================
   Strength (stacking cards)
   ========================================================= */
.strength{color:var(--ink);padding:clamp(64px,9vw,110px) clamp(24px,5vw,40px);
  background-color:#fff;background-image:radial-gradient(#f8f8f8 2px,transparent 2px);
  background-size:32px 32px;position:relative;}
.strength-bgtext{font-family:'Arvo',serif;font-size:clamp(54px,13vw,120px);letter-spacing:8px;
  color:rgba(35,36,31,.04);font-weight:700;position:absolute;line-height:1;left:40px;top:1300px;pointer-events:none;}
.strength-inner{max-width:var(--max);margin:0 auto;position:relative;}
.strength-cards{display:flex;flex-direction:column;gap:28px;}
.strength-card{position:sticky;background:linear-gradient(135deg,#fff,#f6f6f6);border-radius:20px;
  box-shadow:0 0 16px rgba(0,0,0,.08);padding:clamp(30px,5vw,52px);min-height:300px;
  display:flex;flex-wrap:wrap;gap:clamp(20px,3vw,40px);align-items:flex-start;
  transform-origin:center top;will-change:transform,filter;}
.strength-card:nth-child(1){top:104px;}
.strength-card:nth-child(2){top:126px;}
.strength-card:nth-child(3){top:148px;}
.card-no{font-family:'Arvo',serif;font-size:clamp(58px,9vw,96px);font-weight:700;color:var(--green);line-height:.85;flex:0 0 auto;}
.card-body{flex:1 1 320px;}
.card-title{font-size:clamp(21px,2.4vw,27px);font-weight:700;color:var(--ink);}
.card-desc{margin-top:14px;font-size:15px;line-height:2;color:#5a5a5a;}
.card-photo{flex:1 1 240px;align-self:stretch;min-height:200px;border-radius:14px;overflow:hidden;}
.card-photo img{width:100%;height:100%;object-fit:cover;min-height:200px;}

/* =========================================================
   CTA band
   ========================================================= */
.cta{position:relative;color:#fff;padding:clamp(48px,7vw,76px) clamp(24px,5vw,40px);
  text-align:center;overflow:hidden;background:var(--green);}
.cta-inner{position:relative;max-width:680px;margin:0 auto;}
.cta-title{font-size:clamp(24px,3.4vw,34px);font-weight:900;line-height:1.5;}
.cta-text{margin-top:16px;font-size:15px;line-height:1.9;color:#d6e6da;}
.cta-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-tel{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--green);
  font-weight:700;font-size:17px;padding:15px 30px;border-radius:999px;font-family:'Arvo',serif;}
.cta-form{display:inline-flex;align-items:center;gap:10px;border:1.5px solid rgba(255,255,255,.6);
  color:#fff;font-weight:700;font-size:15px;padding:15px 30px;border-radius:999px;}

/* =========================================================
   Company
   ========================================================= */
.company{padding:clamp(64px,9vw,110px) clamp(24px,5vw,40px);}
.company-inner{max-width:880px;margin:0 auto;}
.company-head{margin-bottom:clamp(30px,4vw,44px);}
.company-head .section-title{margin-top:14px;}
.spec{border-top:1px solid #e7e6da;}
.spec-row{display:flex;flex-wrap:wrap;gap:8px 24px;padding:20px 4px;border-bottom:1px solid #e7e6da;}
.spec-dt{flex:0 0 130px;font-weight:700;font-size:15px;color:var(--green);}
.spec-dd{flex:1 1 240px;font-size:15px;color:#33342d;line-height:1.7;}
.spec-note{font-family:'Arvo',serif;font-size:12px;color:#8a897d;margin-left:10px;}

/* =========================================================
   Access
   ========================================================= */
.access{background:var(--bg-alt);padding:clamp(64px,9vw,110px) clamp(24px,5vw,40px);}
.access-inner{max-width:880px;margin:0 auto;}
.access-head{margin-bottom:clamp(30px,4vw,44px);}
.access-head .section-title{margin-top:14px;}
.access-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(24px,3vw,40px);align-items:stretch;}
.access-map{border-radius:12px;overflow:hidden;min-height:320px;border:1px solid #e2e0d4;}
.access-map iframe{width:100%;height:100%;min-height:320px;border:0;}
.access-info{display:flex;flex-direction:column;justify-content:center;gap:22px;}
.info-label{font-family:'Arvo',serif;font-size:11px;letter-spacing:2px;color:#8a897d;font-weight:500;}
.info-value{font-size:17px;font-weight:700;margin-top:6px;line-height:1.7;}
.info-value .sub{font-size:14px;font-weight:500;color:#8a897d;}
.access-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;background:var(--green);
  color:#fff;font-weight:700;font-size:14px;padding:12px 24px;border-radius:999px;}

/* =========================================================
   Contact
   ========================================================= */
.contact{padding:clamp(64px,9vw,110px) clamp(24px,5vw,40px);}
.contact-inner{max-width:680px;margin:0 auto;}
.contact-head{text-align:center;margin-bottom:clamp(32px,4vw,48px);}
.contact-head .section-title{margin-top:14px;}
.contact-lead{margin-top:14px;font-size:15px;line-height:1.9;color:var(--muted);}
.contact-lead a{font-family:'Arvo',serif;font-weight:700;color:var(--green);}
.form{display:flex;flex-direction:column;gap:22px;}
.field-row{display:flex;flex-wrap:wrap;gap:22px;}
.field{flex:1 1 200px;}
.label{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;margin-bottom:8px;}
.req{font-family:'Arvo',serif;font-size:10px;background:var(--green);color:#fff;padding:2px 7px;border-radius:3px;}
.input,.textarea{width:100%;border:1.5px solid #d7d5c8;border-radius:8px;font-size:15px;
  font-family:'Noto Sans JP',sans-serif;background:#fcfcf9;}
.input{height:50px;padding:0 16px;}
.textarea{padding:14px 16px;resize:vertical;line-height:1.7;}
.submit{align-self:center;color:#fff;font-weight:700;font-size:16px;font-family:'Noto Sans JP',sans-serif;
  padding:16px 56px;border:none;border-radius:999px;cursor:pointer;background:var(--green);
  display:inline-flex;align-items:center;gap:10px;}
.contact-success{background:#eef3ee;border:1.5px solid #b9d6c1;border-radius:10px;padding:40px 24px;text-align:center;}
.contact-success .check{font-size:40px;color:var(--green);}
.contact-success .title{font-size:19px;font-weight:900;margin-top:10px;color:var(--green);}
.contact-success p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);}
.is-hidden{display:none !important;}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{color:#cfcdbf;background:#161816;}
.footer-inner{max-width:var(--max);margin:0 auto;padding:clamp(40px,6vw,60px) clamp(24px,5vw,40px) 30px;
  display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;}
.footer-brand{flex:1 1 260px;}
.footer-brand img{height:52px;width:auto;opacity:.92;}
.footer-brand p{margin-top:18px;font-size:13px;line-height:1.9;color:#9a988c;}
.footer-contact{flex:0 1 auto;}
.footer-contact .lines{font-size:14px;line-height:2;color:#cfcdbf;}
.footer-contact .lines a{font-family:'Arvo',serif;font-weight:700;color:#fff;}
.footer-links{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap;}
.footer-links a{font-size:13px;color:#cfcdbf;}
.footer-bottom{border-top:1px solid #34362e;}
.footer-bottom div{max-width:var(--max);margin:0 auto;padding:18px clamp(24px,5vw,40px);}
.footer-bottom span{font-family:'Arvo',serif;font-size:11px;color:#7c7a6f;}

/* =========================================================
   Scroll reveal
   ========================================================= */
.reveal{opacity:0;transform:translateY(28px);
  transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1);will-change:opacity,transform;}
.reveal.in{opacity:1;transform:none;}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:860px){
  .hero-vert{display:none !important;}
}
@media (max-width:780px){
  .nav-toggle{display:flex;}
  .nav-links{position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:0 clamp(18px,4vw,36px);box-shadow:0 10px 24px rgba(0,0,0,.1);
    max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;}
  .nav-links.open{max-height:380px;padding-top:6px;padding-bottom:18px;}
  .nav-links .nav-a{width:100%;padding:14px 2px;border-bottom:1px solid #eef0ec;}
  .nav-links .header-cta{justify-content:center;margin-top:12px;}
}
@media (max-width:680px){
  .about-cols{flex-direction:column;gap:18px;}
  .about-cols > *{width:100%;}
  .stat-item{flex:1 1 0;min-width:0;padding:18px 6px;}
  .stat-num{font-size:17px;}
  .stat-sub{font-size:9.5px;letter-spacing:0;line-height:1.4;}
  .hero-copy{justify-content:flex-end;padding-bottom:clamp(40px,8vh,72px);}
  .hero-lead{font-size:13px;line-height:1.9;}
  .br-pc{display:none;}
}