:root{--bg:#f5f3ef;--paper:#fff;--ink:#1a1814;--muted:#66615a;--line:#ddd9d2;--accent:#c84b0f;--accent2:#a63c08;--dark:#1c1b19;--pale:#ece8e1;--shadow:0 18px 50px rgba(32,25,18,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic UI","Yu Gothic",Meiryo,"Noto Sans JP",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit}.shell{width:min(1180px,calc(100% - 48px));margin:auto}.skip-link{position:fixed;left:12px;top:-80px;z-index:9999;background:#fff;padding:10px 16px}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.site-header{position:sticky;top:0;z-index:100;background:rgba(245,243,239,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav-wrap{height:70px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:.02em;margin-right:auto}.brand img{border-radius:8px}.brand small{display:block;font:500 9px/1.2 ui-monospace,SFMono-Regular,monospace;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}.desktop-nav{display:flex;gap:23px}.desktop-nav a,.language-links a{font-size:.78rem;font-weight:700;text-decoration:none;white-space:nowrap}.desktop-nav a:hover,.language-links a:hover{color:var(--accent)}.language-links{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}.language-links a{padding:7px 10px}.language-links .active{background:var(--ink);color:#fff}.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;text-decoration:none;font-weight:800;transition:.2s}.nav-cta{background:var(--accent);color:#fff;padding:9px 15px;font-size:.78rem}.nav-cta:hover,.button.primary:hover{background:var(--accent2);transform:translateY(-1px)}.menu-button{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px}.menu-button span:not(.sr-only){display:block;height:2px;background:var(--ink);margin:4px 0}.mobile-nav{display:none}
.hero{padding:82px 0 76px;background:linear-gradient(120deg,#f7f4ef 0%,#ede9e1 100%);border-bottom:1px solid var(--line)}.breadcrumbs{font-size:.74rem;color:var(--muted);margin-bottom:35px}.breadcrumbs a{color:var(--accent)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);gap:70px;align-items:center}.eyebrow,.section-label{font:700 .72rem/1.4 ui-monospace,SFMono-Regular,monospace;color:var(--accent);letter-spacing:.14em;text-transform:uppercase}.hero h1{font-size:clamp(2.35rem,4.6vw,4.7rem);line-height:1.12;letter-spacing:-.055em;margin:17px 0 24px;text-wrap:balance}.hero-lead{font-size:1.06rem;color:#4c4842;max-width:690px}.hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:31px}.button{border:1.5px solid var(--ink);padding:12px 20px;font-size:.86rem;cursor:pointer;font-family:inherit}.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.button.secondary{background:transparent}.button.secondary:hover{background:var(--ink);color:#fff}.support-note{font-size:.75rem;color:var(--muted);margin-top:18px}.hero-visual{position:relative;background:#252321;padding:14px;border-radius:14px;box-shadow:var(--shadow);transform:rotate(1deg)}.hero-visual img{display:block;width:100%;height:360px;object-fit:cover;border-radius:8px;filter:saturate(.8)}.hero-visual dl{position:absolute;left:-24px;bottom:-28px;margin:0;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:10px;padding:14px 18px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px 28px}.hero-visual dl div{display:flex;gap:10px;align-items:baseline}.hero-visual dt{font:700 .62rem ui-monospace,monospace;color:var(--accent);text-transform:uppercase}.hero-visual dd{font-size:.73rem;font-weight:700;margin:0;white-space:nowrap}
.answer{background:#fff;border-bottom:1px solid var(--line);padding:52px 0}.answer-grid{display:grid;grid-template-columns:120px 1fr 1.2fr;gap:34px;align-items:start}.answer h2{font-size:1.6rem;line-height:1.4;margin:0}.answer p:last-child{font-size:.98rem;margin:0;color:#4b4741}.section{padding:92px 0}.section.dark{background:var(--dark);color:#fff}.section.pale{background:var(--pale)}.section-head{display:grid;grid-template-columns:180px 1fr;gap:26px;margin-bottom:42px}.section-head h2{font-size:clamp(1.8rem,3vw,3rem);line-height:1.25;letter-spacing:-.035em;margin:0 0 11px}.section-head>p:last-child{grid-column:2;color:var(--muted);margin:0;max-width:700px}.dark .section-head>p:last-child{color:#bdb7af}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-grid article{background:#fff;border:1px solid var(--line);padding:28px;border-radius:10px;min-height:225px}.feature-grid span{font:700 .68rem ui-monospace,monospace;color:var(--accent)}.feature-grid h3{font-size:1.04rem;margin:36px 0 9px}.feature-grid p{font-size:.82rem;color:var(--muted);margin:0}.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#44403b;border:1px solid #44403b}.steps li{background:var(--dark);padding:31px;min-height:255px}.steps b{font:700 .72rem ui-monospace,monospace;color:#ee7e49}.steps h3{font-size:1.03rem;margin:45px 0 11px}.steps p{font-size:.82rem;color:#bdb7af;margin:0}.tech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.tech-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 60px 26px 27px;text-decoration:none;transition:.2s}.tech-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 10px 28px rgba(30,25,20,.08)}.tech-card h3{margin:0 0 5px;font-size:1rem}.tech-card p{font-size:.8rem;color:var(--muted);margin:0}.tech-card b{position:absolute;right:25px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:1.35rem}.faq{max-width:900px;margin-left:auto}.faq details{border-top:1px solid #cbc5bc;padding:0}.faq details:last-child{border-bottom:1px solid #cbc5bc}.faq summary{padding:21px 40px 21px 0;font-weight:700;cursor:pointer;position:relative}.faq summary::after{content:"＋";position:absolute;right:5px;color:var(--accent)}.faq details[open] summary::after{content:"−"}.faq details p{color:var(--muted);font-size:.88rem;margin:0;padding:0 45px 23px 0}.contact{background:#252321;color:#fff}.contact-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:75px}.contact h2{font-size:clamp(2rem,3.4vw,3.3rem);line-height:1.25;margin:14px 0 19px}.contact p,.contact li{color:#c2bcb4;font-size:.87rem}.contact ul{padding-left:20px;margin-top:25px}.form-panel{background:#fff;color:var(--ink);border-radius:12px;padding:31px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-panel label{display:block;font-size:.73rem;font-weight:700;margin-bottom:14px}.form-panel input,.form-panel select,.form-panel textarea{display:block;width:100%;margin-top:6px;border:1px solid var(--line);background:#faf9f7;border-radius:7px;padding:11px;font:inherit;font-size:16px;color:var(--ink)}.form-panel textarea{min-height:110px;resize:vertical}.form-panel .hp{position:absolute;left:-9999px}.form-note{font-size:.68rem!important;line-height:1.55;margin:14px 0 0!important;color:#7b756e!important}.form-note a{color:var(--accent)}.form-error,.form-success{display:none;padding:12px 14px;border-radius:7px;margin-bottom:15px;font-size:.8rem}.form-error.visible{display:block;background:#fceae6;color:#972d18}.form-success.visible{display:block;background:#e7f3eb;color:#205d3c}.form-panel.success form{display:none}
footer{background:#171614;color:#aaa49c;padding:35px 0}.footer-grid{display:flex;justify-content:space-between;gap:30px;align-items:center}.footer-grid p{font-size:.72rem;margin:0}.footer-grid strong{color:#fff}.footer-grid nav{display:flex;gap:17px;flex-wrap:wrap}.footer-grid a{font-size:.7rem;color:#ccc5bc;text-decoration:none}.footer-grid a:hover{color:#fff}
@media(max-width:940px){.desktop-nav{display:none}.hero-grid{grid-template-columns:1fr;gap:55px}.hero-visual{max-width:680px}.feature-grid,.steps{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr;gap:40px}.section-head{grid-template-columns:140px 1fr}}
@media(max-width:680px){.shell{width:min(100% - 30px,1180px)}.site-header .language-links,.site-header .nav-cta{display:none}.menu-button{display:block}.mobile-nav.open{display:flex;flex-direction:column;padding:12px 15px 18px;border-top:1px solid var(--line);background:var(--bg)}.mobile-nav a{padding:9px 10px;font-size:.84rem;font-weight:700;text-decoration:none}.hero{padding:50px 0 60px}.hero-grid{gap:45px}.hero h1{font-size:2.35rem}.hero-visual img{height:250px}.hero-visual dl{position:relative;left:auto;bottom:auto;margin:-20px 10px 0;grid-template-columns:1fr 1fr}.answer-grid{grid-template-columns:1fr;gap:12px}.section{padding:68px 0}.section-head{display:block}.section-head .section-label{margin-bottom:15px}.section-head>p:last-child{margin-top:9px}.feature-grid,.steps,.tech-grid{grid-template-columns:1fr}.feature-grid article,.steps li{min-height:0}.feature-grid h3,.steps h3{margin-top:22px}.field-row{grid-template-columns:1fr}.form-panel{padding:22px 18px}.footer-grid{display:block}.footer-grid nav{margin-top:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.nav-cta,.button,.tech-card{transition:none}}