/* ============================================
   KIKAI Service Page  (kijun-inc.com/kikai/)
   Design system: KIJUN Corporate (Tiffany)
   ============================================ */

:root{
  --tiffany:#0ABAB5;
  --tiffany-light:#B2DFDB;
  --tiffany-pale:#E0F2F1;
  --tiffany-dark:#00897B;
  --white:#FFFFFF;
  --off-white:#F9FFFE;
  --gray-50:#FAFAFA;
  --gray-100:#F5F5F5;
  --gray-200:#EEEEEE;
  --gray-400:#BDBDBD;
  --gray-600:#757575;
  --gray-800:#424242;
  --gray-900:#212121;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans JP',sans-serif;
  color:var(--gray-800);
  line-height:1.8;
  font-weight:300;
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

.container{max-width:1080px;margin:0 auto;padding:0 40px}

/* ===== TOP BAR ===== */
.top-bar{
  background:var(--gray-900);color:var(--gray-400);
  font-size:11px;letter-spacing:.05em;
  position:fixed;top:0;left:0;width:100%;z-index:1001;
}
.top-bar-inner{
  max-width:1200px;margin:0 auto;padding:8px 40px;
  display:flex;justify-content:flex-end;align-items:center;gap:24px;
}
.top-bar a{color:var(--gray-400);transition:color .3s}
.top-bar a:hover{color:var(--tiffany-light)}

/* ===== HEADER / NAV ===== */
header{
  position:fixed;top:32px;left:0;width:100%;
  z-index:1000;background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  transition:all .3s;padding:16px 0;
  border-bottom:1px solid transparent;
}
header.scrolled{
  padding:12px 0;
  border-bottom:1px solid var(--tiffany-pale);
  box-shadow:0 4px 20px rgba(0,0,0,.04);
}
nav{
  max-width:1200px;margin:0 auto;padding:0 40px;
  display:flex;justify-content:space-between;align-items:center;
}
.nav-left{display:flex;align-items:center;gap:16px}
.nav-logo{display:inline-flex;align-items:center}
.nav-logo img{height:36px;width:auto;display:block}
.nav-divider{width:1px;height:20px;background:var(--gray-200)}
.nav-corp-name{
  font-size:13px;color:var(--gray-600);
  font-weight:400;letter-spacing:.05em;
}
.nav-links{
  display:flex;align-items:center;gap:36px;
  font-size:13px;font-weight:500;
}
.nav-links a{
  color:var(--gray-800);
  position:relative;padding:6px 0;
  letter-spacing:.05em;transition:color .3s;
}
.nav-links a::after{
  content:'';position:absolute;
  left:0;bottom:0;width:0;height:1px;
  background:var(--tiffany);
  transition:width .3s;
}
.nav-links a:hover{color:var(--tiffany-dark)}
.nav-links a:hover::after{width:100%}
.nav-contact-btn{
  background:var(--tiffany);color:var(--white)!important;
  padding:10px 22px!important;border-radius:30px;
  letter-spacing:.08em;transition:all .3s;
}
.nav-contact-btn::after{display:none!important}
.nav-contact-btn:hover{
  background:var(--tiffany-dark);
  transform:translateY(-1px);
  box-shadow:0 6px 20px rgba(10,186,181,.3);
}

/* ===== HERO ===== */
.hero{
  position:relative;
  padding:200px 40px 140px;
  background:linear-gradient(180deg,var(--off-white) 0%,var(--white) 100%);
  overflow:hidden;
  text-align:center;
}
.hero-bg-circle{
  position:absolute;border-radius:50%;
  background:radial-gradient(circle,rgba(10,186,181,.08) 0%,rgba(10,186,181,0) 70%);
  pointer-events:none;
}
.hero-bg-circle.c1{width:600px;height:600px;top:-200px;left:-150px}
.hero-bg-circle.c2{width:400px;height:400px;bottom:-100px;right:-100px}
.hero-bg-line{
  position:absolute;left:50%;top:60px;
  width:1px;height:60px;background:var(--tiffany-light);
}
.hero-inner{
  max-width:900px;margin:0 auto;
  position:relative;z-index:1;
}
.hero-label{
  display:inline-block;
  font-family:'Playfair Display',serif;
  font-size:12px;letter-spacing:.4em;
  color:var(--tiffany);font-weight:500;
  margin-bottom:32px;
}
.hero-headline{
  font-size:clamp(32px,5vw,52px);
  font-weight:300;
  color:var(--gray-900);
  line-height:1.5;
  letter-spacing:.02em;
  margin-bottom:32px;
}
.hero-headline .accent{
  color:var(--tiffany-dark);
  font-weight:500;position:relative;
}
.hero-headline .accent::after{
  content:'';position:absolute;
  left:0;bottom:-4px;width:100%;height:1px;
  background:var(--tiffany);
}
.hero-headline-en{
  display:block;
  font-family:'Playfair Display',serif;
  font-style:italic;
  font-size:14px;color:var(--tiffany-dark);
  font-weight:400;
  margin-top:24px;letter-spacing:.05em;
}
.hero-tagline{
  font-size:18px;color:var(--gray-800);
  margin-bottom:16px;letter-spacing:.05em;
}
.hero-tagline strong{color:var(--tiffany-dark);font-weight:500}
.hero-sub{
  font-size:14px;color:var(--gray-600);
  line-height:2;margin-bottom:48px;
}
.hero-ctas{
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
  margin-bottom:24px;
}
.hero-cta{
  display:inline-flex;align-items:center;gap:12px;
  background:var(--tiffany);color:var(--white);
  padding:18px 36px;border-radius:40px;
  font-size:14px;font-weight:500;letter-spacing:.1em;
  transition:all .3s;
  box-shadow:0 8px 24px rgba(10,186,181,.25);
}
.hero-cta:hover{
  background:var(--tiffany-dark);
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(10,186,181,.35);
}
.hero-cta svg{width:18px;height:18px}
.hero-cta-ghost{
  background:transparent;color:var(--tiffany-dark);
  border:1px solid var(--tiffany);
  box-shadow:none;
}
.hero-cta-ghost:hover{
  background:var(--tiffany);color:var(--white);
}
.hero-note{font-size:12px;color:var(--gray-400);letter-spacing:.05em}

/* ===== SECTIONS ===== */
section{padding:120px 40px}
.section-label{
  font-size:12px;font-weight:500;letter-spacing:.3em;
  color:var(--tiffany);text-transform:uppercase;
  margin-bottom:16px;text-align:center;
}
.section-title{
  font-size:32px;font-weight:300;
  color:var(--gray-900);
  margin-bottom:20px;line-height:1.4;
  letter-spacing:.02em;text-align:center;
}
.section-line{
  width:40px;height:2px;background:var(--tiffany);
  margin:0 auto 56px;
}
.section-lead{
  font-size:16px;color:var(--gray-600);
  line-height:2;margin:0 auto 48px;
  max-width:680px;text-align:center;
}

/* ===== PAINS ===== */
#pains{background:var(--white)}
.pain-list{
  max-width:760px;margin:0 auto;
  display:grid;gap:14px;
}
.pain-list li{
  display:flex;align-items:center;gap:18px;
  padding:20px 28px;
  background:var(--off-white);
  border:1px solid var(--tiffany-pale);
  border-radius:12px;
  font-size:15px;color:var(--gray-800);
  font-weight:400;
  transition:all .3s;
}
.pain-list li:hover{
  border-color:var(--tiffany);
  transform:translateX(4px);
}
.pain-check{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;
  background:var(--tiffany);color:var(--white);
  font-size:13px;font-weight:700;flex-shrink:0;
}

/* ===== STRENGTHS ===== */
#strengths{background:var(--off-white)}
.cards-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.strength-card{
  background:var(--white);
  border-radius:20px;
  padding:48px 32px;
  border:1px solid rgba(10,186,181,.1);
  position:relative;overflow:hidden;
  transition:all .4s;
}
.strength-card::before{
  content:'';position:absolute;
  top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--tiffany),var(--tiffany-light));
  transform:scaleX(0);transform-origin:left;
  transition:transform .5s;
}
.strength-card:hover{
  transform:translateY(-8px);
  box-shadow:0 24px 60px rgba(10,186,181,.18);
  border-color:var(--tiffany);
}
.strength-card:hover::before{transform:scaleX(1)}
.strength-num{
  font-family:'Playfair Display',serif;
  font-size:48px;font-weight:600;
  color:var(--tiffany);
  font-style:italic;
  line-height:1;
}
.strength-divider{
  width:32px;height:1px;background:var(--tiffany-light);
  margin:20px 0;
}
.strength-title{
  font-size:18px;font-weight:500;color:var(--gray-900);
  margin-bottom:16px;line-height:1.5;
  letter-spacing:.02em;
}
.strength-body{
  font-size:13px;color:var(--gray-600);line-height:2;
}

/* ===== CASES ===== */
#cases{background:var(--white)}
.cases-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:20px;max-width:880px;margin:0 auto;
}
.case{
  background:var(--off-white);
  border:1px solid rgba(10,186,181,.1);
  border-radius:16px;padding:32px;
  transition:all .3s;
}
.case:hover{
  border-color:var(--tiffany);
  box-shadow:0 12px 32px rgba(10,186,181,.1);
}
.case-industry{
  display:inline-block;
  background:var(--tiffany-pale);
  color:var(--tiffany-dark);
  font-size:11px;font-weight:500;
  letter-spacing:.15em;
  padding:4px 14px;border-radius:20px;
  margin-bottom:16px;
}
.case-task{
  font-size:15px;font-weight:500;
  color:var(--gray-900);margin-bottom:24px;
  letter-spacing:.02em;
}
.case-compare{
  display:flex;align-items:center;gap:20px;
}
.case-side{flex:1;text-align:center}
.case-label{
  display:block;font-family:'Playfair Display',serif;
  font-size:10px;letter-spacing:.25em;
  color:var(--gray-400);margin-bottom:8px;
}
.case-side strong{
  font-size:20px;color:var(--gray-800);
  font-weight:500;letter-spacing:.02em;
}
.case-side.after strong{
  color:var(--tiffany-dark);font-weight:600;
}
.case-arrow{
  font-size:20px;color:var(--tiffany);font-weight:300;
}
.cases-note{
  font-size:12px;color:var(--gray-400);
  margin-top:32px;letter-spacing:.05em;
  text-align:center;
}

/* ===== SERVICE STEPS ===== */
#service-steps{background:var(--off-white)}
.steps-row{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:32px;
}
.step-item{
  background:var(--white);border-radius:20px;
  padding:48px 32px;text-align:center;
  border:1px solid rgba(10,186,181,.1);
  transition:all .3s;position:relative;
}
.step-item:hover{
  transform:translateY(-4px);
  border-color:var(--tiffany);
  box-shadow:0 16px 40px rgba(10,186,181,.12);
}
.step-num{
  font-family:'Playfair Display',serif;
  font-size:36px;font-style:italic;
  color:var(--tiffany-light);
  margin-bottom:16px;line-height:1;
}
.step-title{
  font-size:18px;font-weight:500;
  color:var(--gray-900);margin-bottom:16px;
  letter-spacing:.02em;
}
.step-desc{
  font-size:13px;color:var(--gray-600);
  line-height:2;
}

/* ===== PLANS ===== */
#plans{background:var(--white)}
.plans-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:20px;align-items:stretch;
}
.plan{
  background:var(--off-white);
  border:1px solid rgba(10,186,181,.15);
  border-radius:20px;
  padding:40px 28px;
  display:flex;flex-direction:column;
  position:relative;transition:all .3s;
}
.plan:hover{
  border-color:var(--tiffany);
  transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(10,186,181,.12);
}
.plan-recommend{
  background:var(--white);
  border:2px solid var(--tiffany);
  box-shadow:0 12px 36px rgba(10,186,181,.15);
}
.plan-badge{
  position:absolute;top:-14px;left:50%;
  transform:translateX(-50%);
  background:var(--tiffany);color:var(--white);
  font-family:'Playfair Display',serif;
  font-size:11px;letter-spacing:.25em;
  padding:6px 18px;border-radius:20px;
  font-weight:500;
}
.plan-tag{
  font-family:'Playfair Display',serif;
  font-size:12px;letter-spacing:.25em;
  color:var(--tiffany);font-weight:500;
  margin-bottom:8px;text-align:center;
}
.plan-name{
  font-size:18px;font-weight:500;
  color:var(--gray-900);text-align:center;
  margin-bottom:24px;letter-spacing:.05em;
}
.plan-price-box{
  text-align:center;padding:20px 0;
  border-top:1px solid var(--tiffany-pale);
  border-bottom:1px solid var(--tiffany-pale);
  margin-bottom:24px;
}
.price-num{
  font-family:'Playfair Display',serif;
  font-size:52px;font-weight:600;
  color:var(--tiffany-dark);line-height:1;
}
.price-unit{
  font-size:14px;color:var(--gray-600);
  font-weight:400;margin-left:4px;
}
.price-unit small{font-size:12px;color:var(--gray-400)}
.price-period{
  display:block;font-size:11px;
  color:var(--gray-400);
  letter-spacing:.1em;margin-top:8px;
}
.plan-features{flex:1;margin-bottom:24px}
.plan-features li{
  position:relative;padding:10px 0 10px 24px;
  font-size:13px;color:var(--gray-800);
  border-bottom:1px solid var(--tiffany-pale);
  font-weight:400;
}
.plan-features li::before{
  content:'';position:absolute;
  left:4px;top:18px;
  width:6px;height:6px;border-radius:50%;
  background:var(--tiffany);
}
.plan-fit{
  font-size:11px;color:var(--gray-600);
  background:var(--tiffany-pale);
  padding:12px 16px;border-radius:8px;
  line-height:1.8;letter-spacing:.02em;
}
.plans-note{
  text-align:center;font-size:12px;
  color:var(--gray-400);margin-top:32px;
  line-height:2;letter-spacing:.05em;
}

/* ===== FLOW ===== */
#flow{background:var(--off-white)}
.flow-list{
  max-width:780px;margin:0 auto;
  display:flex;flex-direction:column;gap:14px;
}
.flow-list li{
  display:flex;gap:32px;align-items:flex-start;
  background:var(--white);padding:28px 32px;
  border-radius:12px;
  border-left:3px solid var(--tiffany);
  transition:all .3s;
}
.flow-list li:hover{
  transform:translateX(4px);
  box-shadow:0 8px 24px rgba(10,186,181,.08);
}
.flow-week{
  font-family:'Playfair Display',serif;
  font-size:13px;color:var(--tiffany-dark);
  font-weight:600;letter-spacing:.2em;
  flex-shrink:0;width:90px;padding-top:2px;
}
.flow-body strong{
  display:block;font-size:15px;
  color:var(--gray-900);margin-bottom:6px;
  font-weight:500;letter-spacing:.02em;
}
.flow-body p{
  font-size:13px;color:var(--gray-600);line-height:1.9;
}

/* ===== PROOF ===== */
#proof{
  background:linear-gradient(135deg,var(--tiffany-dark) 0%,var(--tiffany) 100%);
  color:var(--white);
}
#proof .section-label{color:rgba(255,255,255,.8)}
#proof .section-title{color:var(--white)}
#proof .section-line{background:var(--white)}
.proof-lead{
  font-size:15px;color:rgba(255,255,255,.9);
  line-height:2;margin:0 auto 48px;max-width:760px;
  text-align:center;
}
.proof-list{
  max-width:760px;margin:0 auto;display:grid;gap:12px;
}
.proof-list li{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 28px;
  background:rgba(255,255,255,.08);
  border-radius:10px;backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.1);
  transition:all .3s;
}
.proof-list li:hover{
  background:rgba(255,255,255,.14);
  transform:translateX(4px);
}
.proof-list strong{font-size:14px;font-weight:500;letter-spacing:.02em}
.proof-list span{
  font-family:'Playfair Display',serif;
  font-size:14px;color:var(--white);
  font-weight:600;letter-spacing:.02em;
}

/* ===== COMPARE ===== */
#compare{background:var(--white)}
.compare-wrap{max-width:880px;margin:0 auto;overflow-x:auto}
.compare-table{
  width:100%;border-collapse:collapse;
  font-size:13px;
}
.compare-table th,.compare-table td{
  padding:18px 20px;text-align:center;
  border-bottom:1px solid var(--tiffany-pale);
  font-weight:400;
}
.compare-table thead th{
  background:var(--off-white);
  color:var(--gray-600);font-weight:500;
  font-size:12px;letter-spacing:.1em;
}
.compare-table .th-mine{
  background:var(--tiffany);color:var(--white);
  border-radius:8px 8px 0 0;
  font-family:'Playfair Display',serif;
  font-size:14px;letter-spacing:.15em;
}
.compare-table tbody td:first-child{
  text-align:left;font-weight:500;color:var(--gray-800);
  background:var(--off-white);
}
.compare-table .cell-mine{
  background:var(--tiffany-pale);
  color:var(--tiffany-dark);font-weight:500;
}

/* ===== FAQ ===== */
#faq{background:var(--off-white)}
.faq-list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--white);
  border-radius:12px;
  padding:28px 32px;
  border:1px solid var(--tiffany-pale);
  transition:all .3s;
}
.faq-item:hover{border-color:var(--tiffany)}
.faq-item dt{
  font-size:15px;font-weight:500;color:var(--gray-900);
  margin-bottom:12px;
  display:flex;gap:12px;align-items:flex-start;
  letter-spacing:.02em;
}
.faq-item dd{
  font-size:13px;color:var(--gray-600);line-height:2;
  display:flex;gap:12px;align-items:flex-start;
  padding-left:0;
}
.faq-item dd > .faq-a{flex-shrink:0}
.faq-item dd > p{flex:1;margin:0}
.faq-item dd strong{
  color:var(--tiffany-dark);font-weight:600;
  display:inline;
}
.faq-q{
  font-family:'Playfair Display',serif;
  font-size:18px;color:var(--tiffany);font-weight:600;
  flex-shrink:0;line-height:1;
}
.faq-a{
  font-family:'Playfair Display',serif;
  font-size:18px;color:var(--tiffany-dark);font-weight:600;
  flex-shrink:0;line-height:1;
}

/* ===== CTA ===== */
#contact{
  background:linear-gradient(135deg,var(--tiffany-dark) 0%,var(--tiffany) 100%);
  text-align:center;color:var(--white);padding:140px 40px;
}
#contact .container{display:flex;flex-direction:column;align-items:center}
.cta-label{color:rgba(255,255,255,.8)!important}
.cta-title{
  font-size:clamp(26px,3.5vw,38px);
  font-weight:300;color:var(--white);
  margin-bottom:20px;
  letter-spacing:.02em;line-height:1.5;
}
.cta-line{background:var(--white)!important}
.cta-lead{
  font-size:15px;color:rgba(255,255,255,.9);
  line-height:2;margin-bottom:40px;
}
.cta-buttons{margin-bottom:40px}
.cta-btn{
  display:inline-flex;align-items:center;gap:12px;
  background:var(--white);color:var(--tiffany-dark);
  padding:20px 44px;border-radius:40px;
  font-size:15px;font-weight:500;letter-spacing:.1em;
  transition:all .3s;
  box-shadow:0 8px 24px rgba(0,0,0,.15);
}
.cta-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(0,0,0,.2);
}
.cta-btn svg{width:18px;height:18px}
.cta-contact{
  font-size:13px;color:rgba(255,255,255,.85);line-height:2;
  letter-spacing:.05em;
}
.cta-contact a{color:var(--white);text-decoration:underline}

/* ===== FOOTER ===== */
footer{
  background:var(--gray-900);
  color:rgba(255,255,255,.7);
  padding:64px 40px 32px;
}
.footer-inner{
  max-width:1080px;margin:0 auto;text-align:center;
}
.footer-brand{margin-bottom:32px}
.footer-logo-link{display:inline-block;margin-bottom:12px}
.footer-logo-link img{height:42px;width:auto;filter:brightness(0) invert(1);opacity:.95}
.footer-info{
  font-size:12px;color:var(--tiffany-light);
  letter-spacing:.05em;
}
.footer-links{
  display:flex;justify-content:center;flex-wrap:wrap;
  gap:32px;font-size:13px;margin-bottom:32px;
}
.footer-links a{
  color:rgba(255,255,255,.7);
  letter-spacing:.05em;transition:color .3s;
}
.footer-links a:hover{color:var(--tiffany-light)}
.footer-copy{
  font-size:11px;color:rgba(255,255,255,.4);
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:24px;letter-spacing:.05em;
}

/* ===== RESPONSIVE ===== */
@media (max-width:900px){
  .container,nav{padding:0 24px}
  .top-bar-inner{padding:8px 24px}
  header{top:32px;padding:12px 0}
  .nav-links{display:none}
  .hero{padding:160px 24px 100px}
  section{padding:80px 24px}
  .section-title{font-size:24px}
  .cards-3{grid-template-columns:1fr;gap:16px}
  .cases-grid{grid-template-columns:1fr}
  .steps-row{grid-template-columns:1fr;gap:16px}
  .plans-grid{grid-template-columns:1fr;gap:24px}
  .compare-table{font-size:11px}
  .compare-table th,.compare-table td{padding:12px 8px}
  .flow-list li{flex-direction:column;gap:8px;padding:24px}
  .flow-week{width:auto}
  .proof-list li{flex-direction:column;align-items:flex-start;gap:8px}
  #contact{padding:80px 24px}
}