/* ==========================================================
   AI×EC 伴走型インハウス支援サービス LP
   ========================================================== */
:root{
  --color-primary: #4CAF50;
  --color-primary-dark: #3d9142;
  --color-accent: #8DC63F;
  --color-cta: #f59e0b;
  --color-cta-dark: #f97316;
  --color-text: #2b2320;
  --color-text-light: #6b6459;
  --color-bg-soft: #f7faf5;
  --color-white: #ffffff;
  --color-border: #e5e5e0;
  --shadow-sm: 0 2px 8px rgba(43,35,32,0.06);
  --shadow-md: 0 8px 24px rgba(43,35,32,0.10);
  --radius: 14px;
  --max-width: 1200px;
  --header-height: 72px;
}

*{box-sizing:border-box;}
html{
  scroll-behavior:smooth;
  scroll-padding-top:var(--header-height);
}
body{
  margin:0;
  font-family:"Noto Sans JP","Inter",sans-serif;
  color:var(--color-text);
  line-height:1.75;
  background:var(--color-white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.4;}
.container{
  max-width:var(--max-width);
  margin:0 auto;
  padding:0 24px;
}
.sp-only{display:none;}
@media (max-width:820px){
  .pc-only{display:none;}
  .sp-only{display:inline;}
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 28px;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  cursor:pointer;
  border:2px solid transparent;
  transition:all .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(90deg, var(--color-cta), var(--color-cta-dark));
  color:#fff;
  box-shadow:0 4px 14px rgba(234,88,12,0.22);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(234,88,12,0.30);
}
.btn-outline{
  background:transparent;
  border-color:var(--color-primary);
  color:var(--color-primary-dark);
}
.btn-outline:hover{
  background:var(--color-bg-soft);
}
.btn-lg{padding:16px 36px;font-size:16px;}

/* ============= Header ============= */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,0.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--color-border);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--header-height);
}
.logo-link{display:flex;align-items:center;flex-shrink:0;}
.logo-img{display:block;width:160px;height:auto;}
.main-nav{
  display:flex;
  gap:28px;
  margin-left:16px;
  flex:1;
}
.main-nav a{
  font-size:14px;
  font-weight:500;
  color:var(--color-text-light);
  transition:color .2s;
}
.main-nav a:hover{color:var(--color-primary-dark);}
.header-cta{font-size:14px;padding:10px 22px;}
.hamburger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:32px;
  height:32px;
  background:none;
  border:none;
  cursor:pointer;
  margin-left:auto;
}
.hamburger span{
  display:block;
  height:2px;
  background:var(--color-text);
  border-radius:2px;
}
.mobile-nav{
  display:none;
  flex-direction:column;
  position:fixed;
  top:var(--header-height);
  left:0;
  right:0;
  background:#fff;
  border-bottom:1px solid var(--color-border);
  box-shadow:var(--shadow-md);
  z-index:99;
  padding:16px 24px 24px;
  gap:4px;
  transform:translateY(-110%);
  transition:transform .3s ease;
}
.mobile-nav.open{transform:translateY(0);}
.mobile-nav a{
  padding:12px 4px;
  border-bottom:1px solid var(--color-border);
  font-weight:500;
}
.mobile-nav .btn{margin-top:12px;text-align:center;}

@media (max-width:1100px){
  .main-nav, .header-cta{display:none;}
  .hamburger{display:flex;}
  .mobile-nav{display:flex;}
  .logo-img{width:140px;}
}

/* ============= Hero ============= */
.main-visual{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:flex-start;
  min-height:clamp(650px,47.7vw,866px);
  padding:48px 0 320px;
  background:#a8dc3e;
}
.main-visual-bg{
  position:absolute;
  inset:0;
  display:block;
  pointer-events:none;
}
.main-visual-bg img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center center;
}
.main-visual::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:linear-gradient(180deg,rgba(238,255,198,0.82) 0%,rgba(231,250,185,0.56) 28%,rgba(220,244,172,0.08) 52%,transparent 68%);
  pointer-events:none;
}
.main-visual-inner{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:1180px;
  width:100%;
  min-width:0;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--color-border);
  padding:6px 18px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  color:var(--color-primary-dark);
  box-shadow:var(--shadow-sm);
  margin-bottom:24px;
}
.main-visual-title{
  font-weight:900;
  letter-spacing:0.01em;
  margin-bottom:14px;
  text-shadow:0 1px 0 rgba(255,255,255,0.35);
}
.main-visual-subtitle{
  display:inline-block;
  margin-bottom:6px;
  font-size:clamp(22px,2.3vw,28px);
  line-height:1.35;
  white-space:nowrap;
}
.main-visual-title .highlight{
  background:none;
  color:#2d7333;
  -webkit-text-fill-color:currentColor;
}
.main-visual-highlight-line{
  display:inline-block;
  white-space:nowrap;
  font-size:clamp(32px,3.4vw,40px);
  line-height:1.3;
}
.main-visual-sp-break{display:none;}
.main-visual-sub{
  font-size:clamp(16px,1.8vw,18px);
  font-weight:700;
  color:var(--color-text);
  max-width:900px;
  margin:0 auto 20px;
  text-shadow:0 1px 0 rgba(255,255,255,0.28);
}
.main-visual-sub-pc-break{display:block;}
.main-visual-lead{
  font-size:15px;
  color:var(--color-text-light);
  margin-bottom:36px;
}
.main-visual-cta-group{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
  margin-bottom:0;
}
.main-visual .btn-primary{
  width:320px;
  max-width:100%;
  border-color:rgba(255,255,255,0.68);
  box-shadow:0 8px 24px rgba(194,65,12,0.30);
}
.main-visual-badge{
  display:inline-flex;
  align-items:center;
  gap:12px;
  background:#fff;
  border:1px solid var(--color-border);
  padding:10px 20px;
  border-radius:999px;
  font-size:13px;
  color:var(--color-text-light);
  box-shadow:var(--shadow-sm);
}
.main-visual-badge img{height:18px;}

/* ============= Section common ============= */
.section{padding:88px 0;}
.section-tag{
  text-align:center;
  color:var(--color-primary-dark);
  font-weight:700;
  letter-spacing:0.08em;
  font-size:13px;
  margin:0 0 12px;
}
.section-tag.light{color:var(--color-accent);}
.section-title{
  text-align:center;
  font-size:clamp(24px,3vw,34px);
  font-weight:900;
  margin-bottom:20px;
}
.section-title.light{color:#fff;}
.section-desc{
  text-align:center;
  max-width:720px;
  margin:0 auto 48px;
  color:var(--color-text-light);
  font-size:15px;
}

/* ============= Pain ============= */
.pain-section{background:var(--color-bg-soft);}
.pain-section .section-tag{
  font-size:clamp(18px,2vw,22px);
  letter-spacing:0.04em;
  margin-bottom:28px;
}
.pain-list{
  max-width:680px;
  margin:0 auto 32px;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.pain-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  background:#fff;
  padding:18px 22px;
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  font-size:15px;
}
.pain-list i{color:var(--color-primary);margin-top:3px;flex-shrink:0;}
.pain-conclusion{
  text-align:center;
  font-size:19px;
  font-weight:700;
  color:var(--color-primary-dark);
}

/* ============= Concept ============= */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.concept-card{
  text-align:center;
  padding:36px 24px;
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius);
}
.icon-circle{
  width:64px;height:64px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--color-accent),var(--color-primary));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;
  margin:0 auto 20px;
}
.concept-card h3{font-size:17px;margin-bottom:10px;}
.concept-card p{font-size:14px;color:var(--color-text-light);}

/* ============= Support ============= */
.support-section{background:var(--color-bg-soft);}
.support-section .section-title{margin-bottom:48px;}
.main-support-card{
  position:relative;
  background:#fff;
  border:2px solid var(--color-accent);
  border-radius:20px;
  padding:44px;
  max-width:820px;
  margin:0 auto 40px;
  box-shadow:var(--shadow-md);
}
.main-support-card > .btn{
  display:flex;
  width:max-content;
  max-width:100%;
  margin-left:auto;
  margin-right:auto;
}
.main-badge{
  position:absolute;
  top:-16px;left:44px;
  background:linear-gradient(90deg,var(--color-accent),var(--color-primary));
  color:#fff;
  font-size:13px;
  font-weight:700;
  padding:6px 18px;
  border-radius:999px;
}
.main-support-card h3{font-size:22px;margin-bottom:12px;}
.main-support-desc{color:var(--color-text-light);font-size:14px;margin-bottom:24px;}
.support-menu-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-bottom:28px;
}
.support-menu-list li{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:14.5px;
  padding:12px 16px;
  background:var(--color-bg-soft);
  border-radius:10px;
}
.support-menu-list i{color:var(--color-primary-dark);width:20px;text-align:center;}

.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  max-width:820px;
  margin:0 auto;
}
.future-card{
  background:#fff;
  border:1px dashed var(--color-border);
  border-radius:var(--radius);
  padding:28px;
}
.future-card h4{font-size:15px;margin:10px 0 8px;}
.future-card p{font-size:13.5px;color:var(--color-text-light);}
.badge-soon{
  display:inline-block;
  font-size:11px;
  font-weight:700;
  background:#eef4e8;
  color:var(--color-primary-dark);
  padding:4px 12px;
  border-radius:999px;
}

.badge-live{
  background:linear-gradient(90deg,var(--color-accent),var(--color-primary));
  color:#fff;
}
.future-card-link{
  border:1px solid var(--color-accent);
  cursor:pointer;
}
.future-card-link:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
}
.future-card-link .link-arrow{
  display:inline-block;
  margin-top:10px;
  font-weight:700;
  color:var(--color-primary-dark);
}

/* ============= Marketplace ============= */
.marketplace-section{background:var(--color-white);}
.marketplace-cards{max-width:820px;}
.marketplace-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  padding:40px 28px;
  transition:all .2s ease;
}
.marketplace-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:var(--color-accent);
}
.marketplace-card h3{font-size:19px;margin-bottom:10px;}
.marketplace-card p{
  font-size:14px;
  color:var(--color-text-light);
  margin-bottom:24px;
  min-height:44px;
}
.marketplace-btn{pointer-events:none;margin-top:auto;}
.marketplace-note{
  text-align:center;
  font-size:13px;
  color:var(--color-text-light);
  margin-top:28px;
}

.marketplace-card:focus-visible,
.future-card-link:focus-visible{
  outline:3px solid var(--color-primary-dark);
  outline-offset:4px;
}

/* ============= Flow ============= */
.flow-section{background:var(--color-bg-soft);}
.flow-list{
  max-width:680px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:0;
}
.flow-list li{
  display:flex;
  gap:24px;
  padding:24px 0;
  border-bottom:1px solid var(--color-border);
}
.flow-list li:last-child{border-bottom:none;}
.flow-num{
  font-size:26px;
  font-weight:900;
  color:var(--color-accent);
  flex-shrink:0;
  width:52px;
}
.flow-list h4{font-size:16px;margin-bottom:6px;}
.flow-list p{font-size:13.5px;color:var(--color-text-light);margin:0;}

/* ============= Target ============= */
.target-section{background:var(--color-white);}
.target-card{
  display:flex;
  align-items:center;
  gap:18px;
  background:#fff;
  padding:26px;
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
}
.target-card i{
  font-size:26px;
  color:var(--color-primary);
  flex-shrink:0;
  width:40px;
  text-align:center;
}
.target-card p{margin:0;font-size:14.5px;font-weight:500;}

/* ============= Reason ============= */
.reason-section{background:var(--color-bg-soft);}
.grid-4{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.reason-card{
  text-align:center;
  padding:30px 18px;
}
.reason-card h4{font-size:15px;margin-bottom:8px;}
.reason-card p{font-size:13px;color:var(--color-text-light);}

/* ============= Price ============= */
.price-section{background:var(--color-white);}
.price-card{
  max-width:720px;
  margin:0 auto;
  background:#fff;
  border-radius:20px;
  padding:44px;
  text-align:center;
  box-shadow:var(--shadow-md);
}
.price-card h3{font-size:19px;margin-bottom:28px;}
.price-formula{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:20px;
}
.price-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  background:var(--color-bg-soft);
  padding:20px 22px;
  border-radius:12px;
  font-size:13.5px;
  font-weight:700;
  min-width:140px;
}
.price-item i{font-size:22px;color:var(--color-primary-dark);}
.plus{font-size:20px;font-weight:900;color:var(--color-accent);}
.price-note{
  font-size:13px;
  color:var(--color-text-light);
  margin-bottom:28px;
}

/* ============= FAQ ============= */
.faq-section{background:var(--color-bg-soft);}
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--color-border);
  border-radius:12px;
  overflow:hidden;
}
.faq-question{
  -webkit-appearance:none;
  appearance:none;
  width:100%;
  text-align:left;
  background:#fff;
  color:var(--color-text);
  border:none;
  padding:20px 24px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  font-family:inherit;
}
.faq-question i{transition:transform .25s;color:var(--color-primary);flex-shrink:0;}
.faq-item.open .faq-question i{transform:rotate(180deg);}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  background:var(--color-bg-soft);
}
.faq-answer p{margin:0;padding:16px 24px 20px;font-size:14px;color:var(--color-text-light);}
.faq-item.open .faq-answer{max-height:300px;}

/* ============= Company ============= */
.company-box{
  max-width:640px;
  margin:0 auto;
  background:var(--color-bg-soft);
  padding:36px;
  border-radius:var(--radius);
}
.company-info{width:100%;margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 16px;font-size:14px;}
.company-info dt{font-weight:700;color:var(--color-text-light);}
.company-info dd{margin:0;}

/* ============= Footer ============= */
.site-footer{
  background:#1c1714;
  color:#a89f92;
  padding:40px 0;
}
.footer-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:20px;
  text-align:center;
}
.footer-logo{width:150px;height:auto;filter:brightness(0) invert(1);opacity:0.85;}
.footer-nav{display:flex;gap:24px;flex-wrap:wrap;justify-content:center;}
.footer-nav a{font-size:13px;}
.copyright{font-size:12px;margin:0;color:#6b6459;}

/* ============= Floating CTA ============= */
.floating-cta{
  display:none;
  position:fixed;
  bottom:0;left:0;right:0;
  z-index:90;
  background:#fff;
  border-top:1px solid var(--color-border);
  padding:12px 20px;
  box-shadow:0 -4px 16px rgba(0,0,0,0.08);
}
.floating-cta .btn{width:100%;}

@media (max-width:900px){
  .floating-cta{
    display:block;
    padding:8px 16px;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(calc(100% + 8px));
    transition:transform .3s ease,opacity .3s ease,visibility 0s linear .3s;
    will-change:transform;
  }
  .floating-cta.is-visible{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0);
    transition-delay:0s;
  }
  .floating-cta .btn{padding-top:10px;padding-bottom:10px;}
  body{padding-bottom:58px;}
}

@media (prefers-reduced-motion:reduce){
  .floating-cta{transition:none;}
}

/* ============= Responsive ============= */
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:1fr 1fr;}
  .grid-2{grid-template-columns:1fr;}
}
@media (min-width:601px) and (max-width:900px){
  .main-visual-inner{padding:0 24px;}
  .main-visual-subtitle{
    font-size:clamp(18px,3vw,24px);
  }
  .main-visual-highlight-line{
    white-space:normal;
    font-size:clamp(28px,4vw,32px);
    line-height:1.4;
  }
  .main-visual-pc-space{display:none;}
  .main-visual-sp-break{display:block;}
  .main-visual-service-name{
    display:inline-block;
    white-space:nowrap;
  }
  .main-visual-sub{
    max-width:680px;
    padding:0 12px;
  }
}
@media (max-width:600px){
  .logo-img{width:160px;}
  .section{padding:60px 0;}
  .grid-3,.grid-4{grid-template-columns:1fr;}
  .company-info{grid-template-columns:72px minmax(0,1fr);text-align:left;}
  .main-support-card{padding:28px 22px;}
  .pain-section .section-tag{
    font-size:18px;
    margin-bottom:24px;
  }
  .support-section .section-title{margin-bottom:42px;}
  .price-formula{
    flex-direction:column;
  }
  .main-visual{
    min-height:170vw;
    padding:28px 0 150px;
  }
  .main-visual-bg img{
    object-position:center -36px;
  }
  .main-visual::after{
    background:linear-gradient(180deg,rgba(239,255,202,0.90) 0%,rgba(232,252,190,0.72) 33%,rgba(221,246,174,0.16) 55%,transparent 68%);
  }
  .main-visual-inner{padding:0 18px;}
  .main-visual-title{
    margin-bottom:12px;
  }
  .main-visual-subtitle{
    margin-bottom:4px;
    font-size:clamp(13px,4.1vw,16px);
    line-height:1.5;
    letter-spacing:-0.04em;
  }
  .main-visual-highlight-line{
    white-space:normal;
    font-size:22px;
    line-height:1.45;
  }
  .main-visual-pc-space{display:none;}
  .main-visual-sp-break{display:block;}
  .main-visual-service-name{
    display:inline-block;
    white-space:nowrap;
    font-size:inherit;
    letter-spacing:-0.025em;
  }
  .main-visual-sub{
    font-size:14px;
    line-height:1.75;
    margin-bottom:18px;
  }
  .main-visual-sub-pc-break{display:none;}
  .main-visual .btn-lg{
    padding:13px 22px;
    font-size:14px;
  }
}
@media (max-width:360px){
  .main-visual{
    padding:24px 0 90px;
  }
  .main-visual-inner{padding:0 12px;}
  .main-visual-subtitle{
    font-size:12px;
    letter-spacing:-0.055em;
  }
  .main-visual-highlight-line{
    font-size:18px;
    letter-spacing:-0.02em;
  }
  .price-card .btn{
    max-width:100%;
    padding-left:16px;
    padding-right:16px;
    white-space:normal;
    text-align:center;
  }
}