:root{
  --ink:#1f2933; --muted:#65727d; --line:#e7ecef; --bg:#f7f9fa;
  --brand:#245f74; --brand2:#3f7e75; --accent:#e9a55a; --white:#fff;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;color:var(--ink);background:var(--white);line-height:1.75}
a{color:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{text-decoration:none;display:flex;gap:8px;align-items:baseline;letter-spacing:.07em}
.brand-main{font-weight:800;font-size:22px}.brand-sub{font-weight:700;color:var(--brand);font-size:15px}
.header-meta{display:flex;align-items:center;gap:12px}
.publish-pill{font-size:12px;font-weight:700;padding:8px 12px;border-radius:999px;background:#eef5f5;color:var(--brand)}
.nav-cta{background:var(--brand);color:#fff;text-decoration:none;padding:10px 16px;border-radius:999px;font-weight:700;font-size:14px}
.hero{padding:76px 0 64px;background:linear-gradient(135deg,#f7fbfb 0%,#f5f6f7 58%,#fff7ee 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow,.section-kicker,.panel-kicker{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--brand2)}
h1{font-size:clamp(42px,6vw,72px);line-height:1.14;margin:10px 0 22px;letter-spacing:-.035em}
h2{font-size:clamp(28px,3vw,42px);line-height:1.3;margin:6px 0 20px;letter-spacing:-.02em}
h3{margin:.5rem 0 .35rem;font-size:18px}
.lead{font-size:20px;color:#45545f}
.meta-row{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 18px}
.meta-chip{padding:7px 12px;border-radius:999px;background:#fff;border:1px solid #d8e1e3;font-size:12px;font-weight:700}
.meta-chip.muted{background:#f7f9fa;color:#58656f}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0 26px}.chips span{border:1px solid #cbd7db;background:#fff;padding:7px 13px;border-radius:999px;font-size:13px;font-weight:700}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0 18px}
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:12px;padding:14px 20px;font-weight:800;border:0;cursor:pointer;font-size:15px}
.primary{background:var(--brand);color:white}.secondary{background:white;border:1px solid #cfd9dd}.full{width:100%}
.note,.small{color:var(--muted);font-size:13px}.tiny{color:#7a868f;font-size:11px;margin:8px 0 0}
.vehicle-panel{background:white;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 22px 50px rgba(39,67,79,.08)}
.vehicle-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px}
.vehicle-header h2{font-size:32px;margin:4px 0 0}
.panel-badge{background:#f3ede2;color:#7a5733;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:800}
.vehicle-scene{border-radius:22px;overflow:hidden;background:#f6fafb;border:1px solid #e3eaee}
.vehicle-svg{display:block;width:100%;height:auto}
.vehicle-caption{padding-top:16px}
.vehicle-caption strong{display:block;margin-bottom:6px}
.vehicle-caption p{margin:0;color:var(--muted);font-size:12px}
.section{padding:84px 0}.alt{background:var(--bg)}
.use-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.use-card{border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff}.use-card>span{font-size:12px;font-weight:800;color:var(--brand2)}
.use-card p,.step p{font-size:14px;color:var(--muted);margin:0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:34px 0 20px}.step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.step b{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center}
.survey-section{background:#eef5f5}
.survey-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
.survey-form{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:0 16px 34px rgba(44,73,82,.06)}
.survey-form>label,.survey-form fieldset{display:block;margin-bottom:18px;font-weight:700}.survey-form label span,.survey-form legend span{font-weight:500;color:#7c8992;font-size:12px}.survey-form label strong{font-size:11px;color:#a64b4b}
input[type=text],input[type=email],select,textarea{width:100%;margin-top:7px;padding:12px 13px;border:1px solid #cfd9dd;border-radius:10px;font:inherit;background:#fff}
fieldset{border:0;padding:0;margin:0}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.check-grid label{font-weight:500;background:#f7f9fa;padding:9px 11px;border-radius:9px}
.notify{display:flex!important;gap:10px;align-items:center;background:#f4f8f6;padding:12px;border-radius:10px}.notify input{width:18px;height:18px}
.form-message{font-size:13px;color:var(--brand2);font-weight:700;min-height:1.5em}
.trust{padding-top:58px}.trust-box{border-top:1px solid var(--line);padding-top:40px}
footer{background:#1f2933;color:#dce3e7;padding:34px 0}.footer-row{display:flex;justify-content:space-between;gap:20px}.footer-row span,.copyright{color:#9eabb3;font-size:12px}.footer-links a{font-size:13px;color:#dce3e7}.copyright{margin-top:25px}
@media(max-width:850px){
  .hero-grid,.survey-grid{grid-template-columns:1fr}.hero{padding-top:54px}.vehicle-panel{max-width:660px}.use-grid,.steps{grid-template-columns:1fr 1fr}.survey-grid{gap:28px}
}
@media(max-width:560px){
  .container{width:min(var(--max),calc(100% - 24px))}.nav{height:62px}.brand-main{font-size:18px}.nav-cta{font-size:12px;padding:8px 11px}.publish-pill{display:none}
  h1{font-size:42px}.lead{font-size:17px}.vehicle-panel{padding:16px}.header-meta{gap:8px}
  .use-grid,.steps,.check-grid{grid-template-columns:1fr}.section{padding:62px 0}.footer-row{flex-direction:column}
}