:root{
  --navy:#123b66;--blue:#2f80ed;--sky:#eef8ff;--green:#65b96e;--orange:#f28a3b;
  --text:#243247;--muted:#607080;--border:#dfe7ee;--white:#fff;--bg:#f8fafc;
  --max:1200px;--radius:24px;--shadow:0 14px 42px rgba(20,56,91,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans JP","Yu Gothic",sans-serif;color:var(--text);line-height:1.8;background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo img{width:155px}
.nav{display:flex;gap:20px;font-size:.94rem}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 24px;border-radius:999px;font-weight:800}
.btn-primary{background:var(--navy);color:#fff}
.btn-secondary{border:1px solid var(--navy);color:var(--navy);background:#fff}
.hero{padding:84px 0 64px;background:linear-gradient(90deg,#fff 0%,#fff 48%,#f3f9ff 100%)}
.hero-grid{display:grid;grid-template-columns:48% 52%;gap:52px;align-items:center}
.eyebrow,.section-label{font-size:.78rem;letter-spacing:.14em;font-weight:800;color:var(--blue);text-transform:uppercase}
h1{font-size:clamp(3rem,6vw,5rem);line-height:1.05;letter-spacing:-.03em;margin:.2em 0}
h2{font-size:clamp(2rem,4vw,3.4rem);line-height:1.2;letter-spacing:-.02em;margin:.2em 0}
h3{font-size:1.35rem;line-height:1.4;margin:.2em 0}
.lead{font-size:clamp(1.08rem,1.8vw,1.35rem);color:var(--muted)}
.price-lead{font-size:1.2rem;font-weight:800;color:var(--navy);margin:28px 0}
section{padding:96px 0}
.section-head{max-width:840px;margin:0 auto 42px;text-align:center}
.band{background:#fafbf9}
.sky{background:linear-gradient(180deg,#eef8ff,#fff 55%,#f2fbf4)}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--border);border-radius:var(--radius);padding:28px;background:#fff;box-shadow:var(--shadow)}
.compass{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.compass-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.compass-step{padding:20px;border-radius:18px;border:1px solid var(--border);background:#fff}
.compass-step strong{display:block;color:var(--navy);font-size:1.15rem}
.compass-step small{display:block;color:var(--blue);font-weight:800;margin-bottom:8px}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price-card{position:relative}
.price-card.recommended{border:2px solid var(--blue);transform:translateY(-6px)}
.reco{position:absolute;top:-14px;left:24px;background:var(--blue);color:#fff;padding:5px 12px;border-radius:999px;font-size:.78rem;font-weight:800;letter-spacing:.08em}
.price{font-size:2rem;font-weight:900;color:var(--navy);line-height:1.2}
.price small{font-size:.9rem;color:var(--muted);font-weight:600}
.price-note{margin-top:26px;text-align:center;color:var(--muted);font-size:.9rem}
.clean-list{padding-left:1.2em}
.clean-list li{margin:.35em 0}
.process{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ai-support{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ai-card img{width:110px;height:110px;object-fit:cover;border-radius:50%;background:#f5f9ff;margin-bottom:14px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.flow .card{padding:20px}
.spiral img{border-radius:28px;box-shadow:var(--shadow)}
.dashboard-box{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.key-copy{font-size:clamp(1.5rem,3vw,2.5rem);line-height:1.35;font-weight:900;color:var(--navy)}
.center{text-align:center}
.footer{padding:54px 0 28px;background:var(--navy);color:#fff}
.footer-nav{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px}
@media(max-width:900px){
  .nav{display:none}.hero-grid,.grid-2,.grid-3,.grid-4,.pricing,.process,.ai-support,.compare,.flow,.dashboard-box,.compass-steps{grid-template-columns:1fr}
  .price-card.recommended{transform:none}
  section{padding:72px 0}
}
@media(max-width:600px){
  .container{width:min(calc(100% - 28px),100%)}.logo img{width:135px}.hero{padding-top:54px}.card{padding:22px}.btn{width:100%}
}

/* Brand-preserving responsive integration. */
.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px}.hero-grid>*{min-width:0}h1,h2,h3{word-break:normal;overflow-wrap:normal;line-break:strict}h1{line-height:1.3}h2{line-height:1.5}h3{line-height:1.6}.price{font-size:clamp(1.35rem,2.25vw,1.8rem);white-space:nowrap}.price small{display:block;margin-top:8px}.price-lead{white-space:nowrap}.price-card{min-width:0}.btn{max-width:100%;text-align:center;line-height:1.7;word-break:normal}.section-label,.eyebrow{font-size:.875rem;text-transform:none}.ai-card h3,.ai-card a{text-transform:none}.ai-card img{width:100%;height:200px;object-fit:contain;border-radius:12px;background:#fff}.growth-steps{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;list-style:none;margin:68px 0 0;padding:0}.growth-steps li{padding:20px 12px;background:white;border:1px solid var(--border);border-radius:16px;text-align:center}.growth-steps small,.growth-steps strong{display:block}.growth-steps small{color:var(--blue)}.growth-steps li:nth-child(2){transform:translateY(-8px)}.growth-steps li:nth-child(3){transform:translateY(-16px)}.growth-steps li:nth-child(4){transform:translateY(-24px)}.growth-steps li:nth-child(5){transform:translateY(-32px)}.growth-steps li:nth-child(6){transform:translateY(-40px);background:var(--navy);color:white}.growth-steps li:last-child small{color:white}.mobile-navigation{display:none}.mobile-navigation summary{cursor:pointer;padding:12px}.mobile-navigation nav{position:absolute;top:100%;left:0;right:0;background:#fff;padding:20px;display:grid;gap:16px;border-bottom:1px solid var(--border)}a:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}.ai-support+.center{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.compass-step{min-width:0}.flow .card p{font-size:1rem}.footer-nav a{padding:8px 0}
@media(max-width:1100px){.pricing{grid-template-columns:1fr}.price{font-size:2rem}.price-card.recommended{transform:none}.flow{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.mobile-navigation{display:block;margin-left:auto}.header-inner>.btn{display:none}.compass-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.growth-steps{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:24px}.growth-steps li:nth-child(n){transform:none}.logo img{width:110px}.header-inner{gap:12px}}
@media(max-width:600px){h1{font-size:clamp(2rem,8vw,2.5rem)}h2{font-size:clamp(1.5rem,6.5vw,2rem)}h3{font-size:1.2rem}.hero{padding-top:36px}section{padding:52px 0}.price{font-size:1.7rem}.price-lead{font-size:1.1rem}.compass-step{padding:12px;font-size:.875rem}.compass-step strong{font-size:1rem}.flow{grid-template-columns:1fr}.growth-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.growth-steps li{padding:16px 8px}.section-label{letter-spacing:.06em}.footer img{width:130px}}