/* ===== Layout grid normalization ===== */
.grid{ display:grid; gap: var(--gap, 24px); align-items:center; }
.hero .grid{ grid-template-columns: 1.1fr .9fr; }
@media (max-width: 900px){
  .hero .grid{ grid-template-columns: 1fr; }
}

:root{
  --gap:24px;
  --c-line-green:#06C755;
  --c-partner-purple:#8257FF;
  --c-accent:#FF2D92;
  --c-primary:#0049FF;
  --c-bg:#F6F8FF;
  --c-card:#FFFFFF;
  --c-text:#1F2937;
  --c-muted:#6B7280;
  --radius-lg:24px;
  --radius-xl:32px;
  --shadow:0 10px 30px rgba(0,0,0,.08);
}
img{max-width:100%; height:auto; display:block}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic","Noto Sans CJK JP","Noto Sans JP",Meiryo,Arial,sans-serif;
  color:var(--c-text); background:var(--c-bg); line-height:1.6;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}
.container{max-width:1120px; margin:0 auto; padding:0 20px}
.section{padding:72px 0}
h1,h2,h3{line-height:1.25; margin:0 0 12px}
h2{font-size:clamp(22px, 2.5vw, 28px);}
p{margin:0 0 10px}
.small{font-size:12px; color:var(--c-muted)}
.muted{color:var(--c-muted)}
.badge{display:inline-block; padding:6px 10px; border-radius:999px; background:#ecfdf5; color:#065f46; font-weight:700; font-size:12px}
.card{background:var(--c-card); border-radius:var(--radius-xl); box-shadow:var(--shadow); border:1px solid #EEF2FF}

/* Header */
.header{position:sticky; top:0; z-index:50; backdrop-filter:saturate(180%) blur(8px); background:rgba(255,255,255,.8); border-bottom:1px solid rgba(0,0,0,.06)}
.header .inner{display:flex; align-items:center; justify-content:space-between; padding:12px 0}
.logo{display:flex; align-items:center; gap:10px; text-decoration:none; color:inherit}
.logo svg{height:28px}
.logo img{height:28px}
.nav{ display:flex; gap:20px; align-items:center; flex-wrap:nowrap; }
.nav a{ text-decoration:none; color:var(--c-text); font-weight:600; font-size:14px; padding:8px 10px; border-radius:10px }
.nav a:hover{ background:#f3f4f6 }
.btn{appearance:none; border:none; cursor:pointer; font-weight:700; padding:12px 18px; border-radius:999px; font-size:14px}
.btn-primary{background:var(--c-line-green); color:#fff}
.btn-outline{background:#fff; border:1px solid var(--c-partner-purple); color:var(--c-partner-purple)}
.btn:hover{transform:translateY(-1px)}
.mobile-toggle{display:none}

/* Hero */
.hero{position:relative; overflow:hidden}
.hero 
.hero h1{font-size:clamp(26px, 4vw, 40px)}
.hero p.lead{font-size:16px}
.hero .cta{display:flex; gap:12px; flex-wrap:wrap; margin-top:14px}
.hero .hero-art{position:relative; aspect-ratio:9/16; border-radius:28px; overflow:hidden; border:1px solid #e5e7eb; background:#f0f4ff}
.hero .hero-art::after{
  content:""; position:absolute; inset:-20%;
  background:radial-gradient(circle at 20% 10%, rgba(130,87,255,.20), transparent 50%),
             radial-gradient(circle at 90% 40%, rgba(0,73,255,.18), transparent 40%),
             radial-gradient(circle at 30% 90%, rgba(255,45,146,.18), transparent 40%);
}
.hero-img{position:absolute; inset:auto; width:115%; max-width:none; right:-10%; bottom:-6%; transform:rotate(-8deg); filter:drop-shadow(0 14px 28px rgba(0,0,0,.16));}

/* Value */
.value 
.value ul{margin:0; padding-left:18px}

/* Tabs */
.tabs{display:grid; grid-template-columns:180px 1fr; gap:18px}
.tablist{display:flex; gap:10px; flex-direction:column}
.tablist button{padding:12px 14px; border-radius:14px; border:1px solid #e5e7eb; background:#fff; cursor:pointer; text-align:left; font-weight:700}
.tablist button[aria-selected="true"]{background:#eef2ff; border-color:#dbeafe; color:#1d4ed8}
.tabpanel{padding:18px; border:1px solid #eef2ff; border-radius:18px; background:#fff}
.tabpanel .kpi{display:inline-block; margin-top:6px; font-weight:700; color:#1d4ed8}

/* Plans: horizontal swipe */
#plans{background:#fff}
.plan-scroller{
  display:grid; grid-auto-flow:column; grid-auto-columns:85%;
  gap:16px; overflow-x:auto; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch;
  padding-bottom:8px; scroll-padding:10px;
}
@media (min-width:900px){ .plan-scroller{ grid-auto-columns: minmax(420px, 1fr) } }
.plan-card{scroll-snap-align:start; background:#fff; border-radius:24px; box-shadow:0 6px 24px rgba(0,0,0,.06); padding:20px; border:1px solid #eef2ff}
.plan-card header{margin-bottom:12px}
.plan-name{font-weight:700; font-size:18px; margin:0 0 4px}
.plan-price{margin:0; font-size:16px}
.plan-price .price-yearly{display:none; color:#111}
.plan-init{color:#6b7280; font-size:14px; margin:6px 0 0}
.plan-features{margin:12px 0 16px; padding-left:18px; line-height:1.7}
.plan-card .btn-primary{width:100%; padding:12px 16px; border-radius:999px; background:var(--c-line-green); color:#fff; font-weight:700; border:none; cursor:pointer}
.swipe-hint{font-size:12px; color:#6b7280; margin:6px 0 12px}
.dot-nav{display:flex; gap:8px; justify-content:center; margin-top:10px}
.dot{width:6px; height:6px; border-radius:999px; background:#d1d5db}
.dot.is-active{background:var(--c-line-green)}

/* Explainer */
.explain 
.explain .item{background:#fff; border:1px solid #eef2ff; border-radius:18px; padding:16px}
.explain .item h4{margin:0 0 6px}

/* Cases */
.cases .scroller{display:grid; grid-auto-flow:column; grid-auto-columns:80%; gap:12px; overflow-x:auto; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch}
@media(min-width:900px){ .cases .scroller{ grid-auto-columns:33% } }
.case-card{scroll-snap-align:start; background:#fff; border:1px solid #eef2ff; border-radius:18px; padding:16px}
.case-card .badge{margin-bottom:6px}

/* News */
.news ul{list-style:none; padding-left:0; margin:0; display:grid; gap:8px}
.news li{display:flex; gap:10px; align-items:center; background:#fff; border:1px solid #eef2ff; border-radius:12px; padding:10px 12px}

/* Mid CTA */
.mid-cta{background:linear-gradient(120deg, rgba(6,199,85,.12), rgba(130,87,255,.12)); border:1px dashed rgba(0,0,0,.1)}
.mid-cta .inner{display:flex; gap:18px; align-items:center; justify-content:space-between; flex-wrap:wrap; padding:18px}

/* FAQ */
.faq .item{background:#fff; border:1px solid #eef2ff; border-radius:14px; margin-bottom:10px; overflow:hidden}
.faq button.q{width:100%; text-align:left; padding:14px; background:#fff; border:none; font-weight:700; cursor:pointer}
.faq .a{padding:0 14px 14px; display:none}
.faq .item[open] .a{display:block}
.faq .item[open] button.q{background:#f8fafc}

/* Company */
.company table{width:100%; border-collapse:separate; border-spacing:0 10px}
.company th{text-align:left; color:#6b7280; font-weight:600; width:160px}

/* Footer */
.footer{padding:30px 0; font-size:14px; color:#6b7280}
.footer a{color:inherit; text-decoration:none}
.footer a:hover{text-decoration:underline}

/* Responsive */
@media (max-width:860px){
  .hero 
  .value 
  .tabs{grid-template-columns:1fr}
  .nav{display:none}
  .mobile-toggle{display:inline-flex; align-items:center; gap:6px; padding:8px 12px; border-radius:12px; border:1px solid #e5e7eb; background:#fff}
  .nav.mobile-open{display:flex; position:absolute; top:56px; left:0; right:0; background:#fff; padding:10px 20px; flex-direction:column; gap:10px; border-bottom:1px solid #e5e7eb  left:0; right:0; }

}

@media (max-width: 860px){
  .nav{ display:none; }
  .nav.mobile-open{ display:flex; position:absolute; top:56px; left:0; right:0; padding:12px 20px; background:#fff; flex-direction:column; gap:10px; border-bottom:1px solid #e5e7eb; }
}

/* Stacked panels (replacing tabs) */
.stacked-panels{ display:grid; gap:24px; }
.stacked-panels .card{ border:1px solid #eef2ff; border-radius:24px; padding:20px; background:#fff; box-shadow: var(--shadow); }

.flow-steps{ list-style:none; margin:20px 0 0; padding:0; display:grid; gap:14px; counter-reset: step; }
.flow-steps li{ border:1px solid #eef2ff; border-radius:20px; padding:16px; background:#fff; box-shadow:0 4px 14px rgba(0,0,0,.04); }
.flow-steps li h3{ margin:0 0 6px; font-size:18px; }
.flow-steps li::before{ counter-increment: step; content: counter(step, decimal-leading-zero) " "; font-weight:800; margin-right:8px; color: var(--c-primary); }
.center{ text-align:center; }
.checklist{ list-style: none; padding:0; margin: 12px 0 0; display:grid; gap:10px; }
.checklist li{ padding-left:28px; position:relative; }
.checklist li::before{ content:"✓"; position:absolute; left:0; top:0; line-height:1; font-weight:800; }
.cta-bar{ background:var(--c-bg); text-align:center; }