:root{--ink:#101411;--muted:#626b65;--line:#dfe5df;--soft:#f4f7f4;--green:#dff4df;--green2:#79a77f;--gold:#b69a58;--black:#0d100e;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:1000}.sitebar{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - var(--max))/2));border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:10}.brand{display:flex;align-items:center;gap:12px}.brand img{width:44px;height:44px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.2}.brand strong{font-size:17px;letter-spacing:.02em}.brand small{font-size:11px;margin-top:4px;color:var(--muted)}.prototype{display:flex;align-items:center;gap:12px}.prototype b{font-size:11px;letter-spacing:.14em;padding:5px 8px;border:1px solid #9db7a0;color:#426a48}.prototype small{font-size:12px;color:var(--muted)}.guide-nav{height:54px;display:flex;align-items:center;gap:28px;font-size:13px}.guide-nav a:hover{opacity:.55}.guide-nav .contact-link{margin-left:auto;background:var(--black);color:#fff;padding:8px 16px;border-radius:999px}.hero{background:linear-gradient(135deg,#f7faf7 0%,#edf5ed 55%,#f5f0e6 100%);border-top:1px solid #edf1ed;border-bottom:1px solid var(--line)}.hero-grid{min-height:610px;display:grid;grid-template-columns:1.45fr .75fr;gap:72px;align-items:center;padding-top:72px;padding-bottom:72px}.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:700;color:#607a64;margin:0 0 14px}.official-badge{display:inline-block;margin:0 0 22px;padding:7px 12px;border:1px solid #8eb395;background:rgba(255,255,255,.65);font-size:12px;font-weight:700;letter-spacing:.04em}.hero h1{font-size:clamp(40px,5vw,68px);line-height:1.14;letter-spacing:-.045em;margin:0 0 28px;font-weight:700}.hero h1 em{font-style:normal;color:#52795a}.lead{font-size:16px;color:#39433c;max-width:760px}.lead strong{color:#18241b}.hero-actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:9px;font-weight:700;font-size:14px;transition:.2s}.primary{background:var(--black);color:#fff}.primary:hover{box-shadow:0 0 22px rgba(80,140,90,.35);transform:translateY(-1px)}.secondary{border:1px solid #9da69f;background:rgba(255,255,255,.65)}.secondary:hover{background:#fff}.checked{margin-top:22px;font-size:11px;color:#6c756e}.checked span{margin-left:8px;padding:3px 7px;background:#fff;border:1px solid var(--line)}.sales-card{background:#0f1410;color:#fff;padding:38px;border-radius:18px;box-shadow:0 22px 60px rgba(18,30,20,.18)}.sales-card .mini{font-size:10px;letter-spacing:.18em;color:#9fbea4}.sales-card h2{font-size:26px;line-height:1.4;margin:10px 0 16px}.sales-card p{font-size:13px;color:#cbd5cd}.official-link{display:flex;justify-content:space-between;align-items:center;margin:26px 0 12px;padding:14px 16px;border:1px solid #6f8c74;border-radius:8px;background:#1c291f;font-weight:700;font-size:13px}.official-link:hover{box-shadow:0 0 20px rgba(133,193,143,.22)}.sales-card small{color:#8fa393;font-size:10px}.quick-strip{background:#111512;color:#fff}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr)}.quick-grid div{padding:22px 26px;border-right:1px solid #343b35;display:grid;grid-template-columns:auto 1fr;column-gap:14px}.quick-grid div:last-child{border-right:0}.quick-grid span{grid-row:1/3;color:#8fb596;font-size:11px;letter-spacing:.1em}.quick-grid strong{font-size:14px}.quick-grid small{color:#9ea7a0;font-size:11px}.section{padding-top:100px;padding-bottom:100px}.section-heading{display:flex;justify-content:space-between;gap:60px;align-items:flex-end;margin-bottom:48px}.section-heading h2{font-size:clamp(32px,4vw,50px);line-height:1.28;letter-spacing:-.035em;margin:0}.section-heading>p{max-width:430px;color:var(--muted);font-size:14px}.facts{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden}.facts article{padding:36px;border-right:1px solid var(--line)}.facts article:last-child{border-right:0}.facts span{display:block;font-size:11px;color:#66736a;letter-spacing:.08em}.facts strong{display:block;font-size:42px;letter-spacing:-.04em;margin:10px 0}.facts strong small{font-size:16px;margin-left:5px}.facts p{font-size:12px;color:var(--muted);margin:0}.notice{margin-top:24px;display:flex;gap:18px;padding:18px 22px;background:#f7f6f1;border-left:3px solid var(--gold);font-size:12px}.notice strong{flex:0 0 auto;color:#806c39}.notice p{margin:0}.products-section{background:#f4f6f4;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.product-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;display:grid;grid-template-columns:42px 1fr auto;gap:16px;align-items:center;transition:.2s}.product-card:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(20,35,23,.08);border-color:#aac4af}.product-card>span{font-size:11px;color:#739078}.product-card p{font-size:10px;letter-spacing:.14em;color:#728078;margin:0}.product-card h3{font-size:20px;margin:4px 0}.product-card small{color:var(--muted)}.product-card b{font-size:12px}.official-search{margin-top:36px;background:#101411;color:#fff;border-radius:18px;padding:38px;display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}.official-search h3{font-size:26px;margin:5px 0 10px}.official-search p:not(.eyebrow){font-size:13px;color:#b8c3bb}.official-actions{display:flex;flex-direction:column;gap:12px}.official-actions .primary{background:#eaf4eb;color:#142017}.text-link{font-size:12px;color:#b9c7bc;text-align:center}.flow{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.flow li{display:grid;grid-template-columns:140px 1fr;gap:30px;padding:30px 12px;border-bottom:1px solid var(--line)}.flow span{font-size:11px;letter-spacing:.12em;color:#6c8c72}.flow h3{font-size:19px;margin:0 0 6px}.flow p{font-size:13px;color:var(--muted);margin:0}.sales-use{background:#e7f1e8}.sales-use-grid{padding-top:78px;padding-bottom:78px;display:grid;grid-template-columns:1fr 1fr;gap:80px}.sales-use h2{font-size:38px;line-height:1.3;margin:0 0 16px}.sales-use p{color:#4e5d52}.sales-points p{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid #bcd0bf;margin:0;font-size:13px}.sales-points b{color:#2f5537}.cta{background:#0c0f0d;color:#fff}.cta-inner{padding-top:86px;padding-bottom:86px;display:grid;grid-template-columns:1.2fr .8fr;gap:80px;align-items:center}.cta h2{font-size:40px;line-height:1.3;margin:0 0 14px}.cta p:not(.eyebrow){color:#aeb8b0;font-size:13px}.cta-inner>div:last-child{display:flex;flex-direction:column;gap:12px}.cta .primary{background:#e8f3e9;color:#111}.cta .secondary{color:#fff;border-color:#555}.large{min-height:56px}.source-section{padding-top:60px;padding-bottom:70px}.source-section h2{font-size:15px}.source-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.source-links a{padding:20px;border:1px solid var(--line);border-radius:10px;display:flex;flex-direction:column}.source-links strong{font-size:13px}.source-links span{font-size:11px;color:var(--muted);margin-top:4px}footer{background:#f5f6f5;border-top:1px solid var(--line);padding:38px 0;color:#58615b}footer strong{font-size:13px}footer p,footer small{font-size:10px;margin:4px 0}.category-select-label{display:block;margin-top:22px;font-size:10px;letter-spacing:.1em;color:#9fbea4;font-weight:700}.category-select{width:100%;margin-top:7px;padding:13px 38px 13px 14px;border:1px solid #526656;border-radius:8px;background:#151d17;color:#fff;font:inherit;font-size:13px;line-height:1.4;outline:none}.category-select:focus{border-color:#8fb596;box-shadow:0 0 0 3px rgba(143,181,150,.12)}.category-select option{color:#111;background:#fff}.registered-categories{margin-top:22px;padding-top:34px}.registered-heading{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:20px}.registered-heading h3{margin:0;font-size:26px}.registered-heading>p{max-width:480px;margin:0;color:var(--muted);font-size:13px}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.category-card{min-height:165px;padding:22px;border:1px solid var(--line);border-radius:13px;background:#fff;display:flex;flex-direction:column;transition:.2s}.category-card:hover{transform:translateY(-2px);border-color:#9db7a0;box-shadow:0 12px 28px rgba(20,35,23,.08)}.category-card span{font-size:10px;letter-spacing:.12em;color:#739078}.category-card strong{margin:15px 0 auto;font-size:16px;line-height:1.45}.category-card small{margin-top:18px;color:#52795a;font-size:11px;font-weight:700}@media(max-width:820px){.wrap{width:min(100% - 30px,var(--max))}.sitebar{height:68px;padding:0 15px}.brand img{width:36px;height:36px}.brand strong{font-size:14px}.prototype small{display:none}.guide-nav{overflow-x:auto;white-space:nowrap;gap:18px;height:48px}.guide-nav .contact-link{margin-left:0}.hero-grid{grid-template-columns:1fr;gap:32px;min-height:auto;padding-top:52px;padding-bottom:52px}.hero h1{font-size:42px}.sales-card{padding:28px}.quick-grid{grid-template-columns:1fr}.quick-grid div{border-right:0;border-bottom:1px solid #343b35}.section{padding-top:70px;padding-bottom:70px}.section-heading{display:block;margin-bottom:32px}.section-heading>p{margin-top:16px}.facts{grid-template-columns:1fr}.facts article{border-right:0;border-bottom:1px solid var(--line);padding:26px}.facts article:last-child{border-bottom:0}.product-grid{grid-template-columns:1fr}.product-card{grid-template-columns:34px 1fr}.product-card>b{grid-column:2}.official-search,.sales-use-grid,.cta-inner{grid-template-columns:1fr;gap:30px}.registered-heading{display:block}.registered-heading>p{margin-top:10px}.category-grid{grid-template-columns:1fr 1fr}.flow li{grid-template-columns:1fr;gap:8px}.source-links{grid-template-columns:1fr}.sales-use h2,.cta h2{font-size:32px}}@media(max-width:520px){.category-grid{grid-template-columns:1fr}.category-card{min-height:128px}.hero h1{font-size:36px}.lead br{display:none}.hero-actions{flex-direction:column}.hero-actions a{width:100%}.product-card{padding:22px}.sales-card{border-radius:12px}.official-search{padding:26px}.sales-points p{grid-template-columns:1fr;gap:4px}.prototype b{font-size:9px}}