:root{--navy:#071525;--navy2:#0d263e;--blue:#1999e5;--orange:#ff8400;--ink:#101820;--muted:#5e6975;--line:#dce3e9;--paper:#f4f7f9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;background:var(--paper);line-height:1.65}.header{height:74px;background:rgba(5,16,29,.98);display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100vw - 1180px)/2));position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(255,255,255,.12)}.brand img{display:block;width:194px;height:auto}.header nav{display:flex;gap:25px}.header nav a{color:#fff;text-decoration:none;font-size:.9rem;font-weight:700}.menu-toggle{display:none}.hero{min-height:500px;background:#061426;position:relative;overflow:hidden;color:#fff}.hero-image{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,12,25,.92) 0%,rgba(3,12,25,.62) 42%,rgba(3,12,25,.1)),url("assets/hero-construction.png") center/cover no-repeat}.hero-copy{position:relative;z-index:1;width:min(1180px,100%);margin:auto;padding:85px 28px 72px}.eyebrow{margin:0 0 7px;font-size:1.15rem;font-weight:800}.hero h1{font-size:clamp(3rem,6vw,5.5rem);line-height:1.03;letter-spacing:-.05em;margin:0;max-width:670px}.hero h1 strong{color:var(--orange);font-style:normal}.hero-copy>p:not(.eyebrow){max-width:510px;font-size:1.05rem;font-weight:600;margin:20px 0 28px}.cta{display:inline-block;background:var(--orange);color:#111;text-decoration:none;font-weight:900;border-radius:8px;padding:14px 30px;font-size:1.05rem;box-shadow:0 6px 20px #0007}.section{width:min(1180px,100%);padding:70px 28px;margin:auto}.section-title p{color:#0879bd;font-size:.82rem;font-weight:900;letter-spacing:.1em;margin:0}.section-title h2{font-size:clamp(1.65rem,3vw,2.3rem);margin:0 0 9px;line-height:1.3}.section-title span{color:var(--muted);font-size:.9rem}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}.category{background:var(--navy);color:#fff;text-decoration:none;border:1px solid #1d4d72;min-height:150px;border-radius:10px;padding:20px;display:flex;flex-direction:column;gap:5px;transition:.2s}.category:hover{background:#113552;transform:translateY(-2px)}.category span{font-size:2rem;filter:grayscale(1) brightness(3)}.category b{font-size:1rem}.category small{color:#b9d0e3;font-size:.78rem}.products{background:#fff;max-width:none;padding-left:max(28px,calc((100vw - 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.header{background:#000}
.category-icon{height:42px;width:42px;display:grid;place-items:center;margin-bottom:4px}.category-icon svg{width:40px;height:40px;fill:none;stroke:#fff;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.product-model{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;gap:8px;padding:20px;background:linear-gradient(145deg,#061324,#0c3150);color:#fff;font-family:Arial,sans-serif;letter-spacing:.04em}.product-model span{color:#ff9500;font-size:.74rem;font-weight:800}.product-model b{font-size:1rem;line-height:1.35;text-align:left}
.comparison{background:#eef3f7;max-width:none;padding-left:max(28px,calc((100vw - 1180px)/2));padding-right:max(28px,calc((100vw - 1180px)/2))}.compare-list{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:24px}.compare-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 3px 10px #1122330b}.compare-head{padding:14px;background:#071525;color:#fff}.compare-head span{color:#ff9b20;font-weight:900;font-size:.72rem;letter-spacing:.08em}.compare-head h3{margin:3px 0 0;font-size:1rem;line-height:1.3}.compare-card dl{margin:0;padding:2px 14px 14px}.compare-card dl div{padding:12px 0;border-bottom:1px solid #e4ebf0}.compare-card dl div:last-child{border-bottom:0}.compare-card dt{font-size:.72rem;color:#0879bd;font-weight:900}.compare-card dd{margin:3px 0 0;font-size:.82rem;line-height:1.5}.compare-note{font-size:.78rem;color:var(--muted);margin:18px 0 0}@media(max-width:780px){.comparison{padding-left:16px;padding-right:16px}.compare-list{grid-template-columns:1fr;gap:10px;margin-top:17px}.compare-head{padding:14px 16px}.compare-card dl{padding:2px 16px 12px}.compare-card dl div{display:grid;grid-template-columns:94px 1fr;gap:8px}.compare-card dt{padding-top:2px}.compare-card dd{margin:0;font-size:.86rem}.compare-note{font-size:.76rem}}
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.first-check{background:#eef6fc;border:0!important;border-left:4px solid var(--blue)!important;border-radius:5px;padding:20px!important}.first-check>div{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.first-check>div p{background:#fff;border:1px solid #d9e6ef;border-radius:7px;padding:10px;font-size:.84rem}.first-check b{display:block;color:#0879bd;font-size:.8rem}.first-check span{display:block;margin-top:3px;line-height:1.5}.footer-links{display:flex;flex-wrap:wrap;gap:14px}.footer-links a{color:#b9dff8;text-decoration:none;font-weight:700}@media(max-width:780px){.first-check{padding:16px!important}.first-check>div{grid-template-columns:1fr;gap:7px}.first-check>div p{font-size:.84rem}.footer-links{gap:11px}}