@font-face{font-family:'Noto Sans JP';font-style:normal;font-display:swap;src:local('Noto Sans JP');}
:root{
  --color-navy:#1B2B4A;--color-navy-700:#2A3C5E;--color-navy-100:#E7EBF1;
  --color-orange:#C96A24;--color-orange-600:#B25A1C;--color-orange-50:#FBEFE5;
  --color-olive:#7E9A4E;--color-olive-50:#F0F3E9;
  --color-bg:#FFFFFF;--color-bg-warm:#F5F3EF;--color-text:#1B2B4A;--color-text-muted:#5A6478;--color-border:#E2E0DA;
  --font-heading:"Noto Sans JP",sans-serif;--font-body:"Noto Sans JP",sans-serif;--font-en:"Inter",system-ui,sans-serif;
  --radius-sm:6px;--radius-md:12px;--radius-lg:20px;
  --shadow-card:0 2px 12px rgba(27,43,74,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font-body);color:var(--color-text);background:#fff}
a{color:var(--color-orange)}
a:hover{color:var(--color-orange-600)}
img{max-width:100%;display:block}
.wrap{max-width:640px;margin:0 auto;padding:56px 24px}
.section-white{background:#fff}
.section-warm{background:var(--color-bg-warm)}
.eyebrow{font-family:var(--font-en);font-size:0.8125rem;font-weight:600;letter-spacing:0.15em;text-transform:uppercase;color:var(--color-orange);display:block;margin-bottom:10px}
.section-heading{margin:0 0 8px;font-family:var(--font-heading);font-size:1.5rem;font-weight:700;line-height:1.35;color:var(--color-navy);padding-left:14px;border-left:4px solid var(--color-orange)}
.section-heading.center{text-align:center;padding-left:0;border-left:none}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--color-border)}
.header-inner{max-width:960px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between}
.header-inner img{height:32px;width:auto}
.header-inner span{font-family:var(--font-en);font-size:0.75rem;color:var(--color-text-muted);letter-spacing:0.04em}
.hero{display:flex;flex-direction:column;gap:20px;padding-bottom:48px}
.hero h1{margin:0;font-family:var(--font-heading);font-weight:700;font-size:1.75rem;line-height:1.4;color:var(--color-navy);text-wrap:pretty}
.hero p{margin:0;font-size:1rem;line-height:1.8}
.hero-image{aspect-ratio:4/3;width:100%;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border)}
.hero-image img{width:100%;height:100%;object-fit:cover}
.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:16px;border-radius:var(--radius-sm);font-family:var(--font-heading);font-weight:700;font-size:1.0625rem;text-decoration:none;border:none;cursor:pointer;transition:background var(--dur-base,200ms) ease}
.btn-primary{background:var(--color-orange);color:#fff}
.btn-primary:hover{background:var(--color-orange-600)}
.btn-outline{background:transparent;border:1.5px solid var(--color-navy);color:var(--color-navy)}
.btn-outline:hover{background:var(--color-navy-100)}
.btn-outline-white{background:transparent;border:1.5px solid rgba(255,255,255,.6);color:#fff}
.btn-outline-white:hover{background:rgba(255,255,255,.1)}
.mechanism-diagram{border-radius:16px;background:#fff;border:1px solid var(--color-border);padding:24px;display:flex;flex-direction:column;gap:6px}
.mech-row{display:flex;align-items:center;gap:12px}
.mech-label{width:64px;font-size:0.75rem;color:var(--color-text-muted);flex:none}
.mech-label.deep{color:var(--color-navy);font-weight:700}
.mech-bar{flex:1;height:14px;border-radius:7px;background:var(--color-navy-100)}
.mech-bar.mid{background:#C9D2E0}
.mech-bar.deep{background:var(--color-navy);position:relative}
.mech-bar.deep span{position:absolute;right:10px;top:-5px;width:24px;height:24px;border-radius:50%;background:var(--color-orange);border:3px solid #fff}
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card)}
.audience-card{padding:20px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.audience-num{width:32px;height:32px;border-radius:50%;border:1.5px solid var(--color-olive);color:var(--color-olive);display:flex;align-items:center;justify-content:center;font-size:0.75rem;flex:none}
.audience-card p{margin:0;font-size:0.875rem;line-height:1.6}
.device-card{padding:18px}
.device-card p{margin:0;font-size:0.8125rem;line-height:1.7}
.device-photo{margin:0 auto 24px;width:55%;max-width:220px;aspect-ratio:1/1;border-radius:16px;overflow:hidden;border:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;background:#fff}
.device-photo img{width:100%;height:100%;object-fit:contain}
.steps{display:flex;flex-direction:column}
.step{display:flex;gap:16px;align-items:flex-start}
.step-num{width:36px;height:36px;border-radius:50%;border:2px solid var(--color-orange);background:#fff;color:var(--color-navy);display:flex;align-items:center;justify-content:center;font-weight:700;font-family:var(--font-heading);flex:none}
.step p{margin:5px 0 0;font-size:0.9375rem;line-height:1.7}
.step-arrow{width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:9px solid var(--color-border);margin:8px 0 8px 15px}
.price-card{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:32px 24px;text-align:center}
.price-card .label{font-size:0.9375rem}
.price-card .amount{margin:8px 0;font-family:var(--font-en);font-size:2rem;font-weight:700;color:var(--color-navy)}
.price-card .amount .unit{font-size:1rem;font-weight:400;color:var(--color-text-muted)}
.price-card .note{margin:16px 0 0;font-size:0.75rem;line-height:1.7;color:var(--color-text-muted)}
.notice-box{margin-top:20px;background:var(--color-bg-warm);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:20px 24px;color:var(--color-navy);font-size:0.875rem;line-height:1.8}
.accordion{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.accordion-item{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}
.accordion-q{width:100%;text-align:left;padding:18px 20px;background:none;border:none;font:inherit;font-weight:700;font-size:0.9375rem;color:var(--color-navy);display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:12px}
.accordion-chevron{flex:none;transition:transform .2s ease;color:var(--color-orange)}
.accordion-item.open .accordion-chevron{transform:rotate(180deg)}
.accordion-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.accordion-item.open .accordion-a{max-height:200px}
.accordion-a p{margin:0;padding:0 20px 18px;font-size:0.875rem;line-height:1.8;color:var(--color-text-muted)}
footer{background:var(--color-navy)}
.footer-inner{max-width:640px;margin:0 auto;padding:64px 24px;text-align:center;color:#fff}
.footer-inner h2{margin:14px 0 24px;font-family:var(--font-heading);font-size:1.375rem;font-weight:700;line-height:1.5}
.footer-cta{display:flex;flex-direction:column;gap:12px;max-width:360px;margin:0 auto}
.footer-info{margin:36px 0 0;font-size:0.8125rem;line-height:2;color:rgba(255,255,255,.82)}
.footer-info .en{font-family:var(--font-en)}
.footer-logo{margin:28px auto 0;background:#fff;border-radius:8px;padding:8px 14px;display:inline-block}
.footer-logo img{height:24px;width:auto}