:root{--red:#e6002d;--blue:#0a46d8;--cyan:#0fb9dd;--ink:#101828;--text:#182237;--muted:#667085;--bg:#f7f9fd;--line:#e6eaf2;--shadow:0 24px 70px rgba(16,24,40,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Noto Sans JP","Microsoft YaHei",sans-serif;color:var(--text);background:#fff;line-height:1.78}a{color:var(--blue);text-decoration:none}::selection{background:rgba(10,70,216,.14)}.site-header{display:flex;justify-content:space-between;align-items:center;gap:22px;padding:16px 6vw;border-bottom:1px solid rgba(230,234,242,.9);position:sticky;top:0;background:rgba(255,255,255,.82);backdrop-filter:blur(16px);z-index:30}.brand{display:flex;align-items:center;gap:10px;font-weight:950;font-size:22px;color:var(--ink);letter-spacing:-.04em}.brand:before{content:"59";width:39px;height:39px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--red),var(--blue) 60%,var(--cyan));color:white;font-size:15px;letter-spacing:-.07em;box-shadow:0 12px 28px rgba(10,70,216,.25)}.site-header nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.site-header nav a{color:#344054;padding:9px 13px;border-radius:999px;font-weight:800;font-size:14px}.site-header nav a:hover{background:#f2f6ff;color:var(--blue)}.site-header nav a:last-child{background:#101827;color:white}.hero{position:relative;min-height:72vh;display:grid;place-items:center;padding:8vw 6vw;overflow:hidden;background:radial-gradient(circle at 12% 18%,rgba(15,185,221,.18),transparent 30%),radial-gradient(circle at 95% 4%,rgba(230,0,45,.13),transparent 32%),linear-gradient(135deg,#fff,#f6f9ff 52%,#fff5f7)}.hero:before{content:"";position:absolute;inset:auto -10% -34% auto;width:54vw;height:54vw;border-radius:50%;background:linear-gradient(135deg,rgba(10,70,216,.12),rgba(15,185,221,.18));filter:blur(4px)}.hero:after{content:"AI × Multilingual × Japan Business";position:absolute;right:5vw;bottom:5vw;color:rgba(16,24,40,.07);font-weight:950;font-size:clamp(28px,5vw,72px);letter-spacing:-.06em;line-height:1}.hero>div{position:relative;max-width:980px;z-index:1}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--red);font-weight:950;letter-spacing:.12em;text-transform:uppercase;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px;box-shadow:0 10px 30px rgba(16,24,40,.06);font-size:12px}.eyebrow:before{content:"✦";color:var(--blue)}.hero h1{font-size:clamp(42px,7vw,88px);line-height:1.02;margin:18px 0;letter-spacing:-.07em;color:#0f172a}.hero p{font-size:clamp(17px,2vw,22px);color:#475467;max-width:780px}.btn,button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--red),var(--blue));color:white;text-decoration:none;border-radius:999px;padding:13px 23px;font-weight:950;border:0;box-shadow:0 15px 34px rgba(10,70,216,.22);cursor:pointer;transition:.16s ease}.btn:hover,button:hover{transform:translateY(-1px);box-shadow:0 20px 42px rgba(10,70,216,.28)}.section{padding:78px 6vw}.section h2{font-size:clamp(28px,3.6vw,48px);line-height:1.08;margin:0 0 26px;letter-spacing:-.05em}.section.narrow{max-width:960px;margin:auto}.profile-grid,.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.profile-grid div,.card,.contact{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:var(--shadow)}.profile-grid div{background:linear-gradient(180deg,#fff,#fbfcff)}.profile-grid b,.profile-grid span{display:block}.profile-grid b{color:#111827}.profile-grid span{color:var(--muted);margin-top:5px}.card h3{font-size:21px;margin:0 0 8px;letter-spacing:-.02em}.card p{color:#556274}.prose{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);padding:28px;color:#3f4d63}.contact{max-width:760px}.contact input,.contact textarea{display:block;width:100%;padding:14px 15px;border:1px solid #d6dce8;border-radius:15px;margin:13px 0;font:inherit;background:#fff}.contact input:focus,.contact textarea:focus{outline:0;border-color:rgba(10,70,216,.58);box-shadow:0 0 0 4px rgba(10,70,216,.10)}.notice{background:#ecfdf3;color:#027a48;padding:14px 16px;border-radius:15px;margin:12px 0;font-weight:850}footer{padding:38px 6vw;background:radial-gradient(circle at 100% 0,rgba(15,185,221,.18),transparent 28%),#101827;color:#c6d1e3}.mobile-cta{display:none}.mobile-cta a:nth-child(1){color:var(--red)}.mobile-cta a:nth-child(2){color:var(--blue)}.mobile-cta a:nth-child(3){color:#0891b2}@media(max-width:760px){.site-header{align-items:flex-start;gap:11px;flex-direction:column;padding:14px 5vw}.site-header nav{gap:4px}.site-header nav a{padding:7px 10px;font-size:13px}.hero{min-height:68vh;padding:16vw 5vw 24vw}.section{padding:56px 5vw 88px}.hero h1{font-size:42px}.mobile-cta{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;bottom:0;left:0;right:0;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line);z-index:60;box-shadow:0 -12px 30px rgba(16,24,40,.08)}.mobile-cta a{text-align:center;padding:12px 6px;text-decoration:none;font-weight:950;font-size:13px}.profile-grid,.cards{grid-template-columns:1fr}.prose{padding:22px}}
/* V7.8 Architecture additions */
.notice.error{background:#fff1f3;color:#b42318}.hp{position:absolute;left:-9999px;opacity:0}.btn.ghost{background:#fff;color:var(--blue);border:1px solid var(--line);box-shadow:none}.muted{color:var(--muted)}.block-summary{background:linear-gradient(180deg,#fff,#f8fbff)}.block-summary .muted{max-width:820px;font-size:18px}.section h1{font-size:clamp(34px,5vw,64px);line-height:1.05;letter-spacing:-.06em;margin:12px 0 24px;color:#101827}
/* V7.8.1 Business Modules */
.catalog-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.product-card img{width:100%;height:190px;object-fit:cover;border-radius:18px;border:1px solid rgba(15,23,42,.10);background:#f8fafc;margin-bottom:12px}.product-card dl{display:grid;grid-template-columns:70px 1fr;gap:6px 10px;border-top:1px solid rgba(15,23,42,.10);padding-top:12px}.product-card dt{font-weight:900;color:#64748b}.product-card dd{margin:0}.quote-mini{display:flex;gap:10px;align-items:center;margin-top:14px}.quote-mini input{max-width:96px}.quote-table table{width:100%;border-collapse:collapse}.quote-table th,.quote-table td{border-bottom:1px solid rgba(15,23,42,.10);padding:12px;text-align:left}.quote-table input{max-width:100px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.tabs a{padding:9px 14px;border-radius:999px;border:1px solid rgba(15,23,42,.12);background:#fff;font-weight:800}.tabs a.active{background:#111827;color:#fff}.block-hero.accent,.block-cta.accent{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff}.block-hero.accent .muted,.block-cta.accent .muted{color:rgba(255,255,255,.86)}
@media(max-width:680px){.quote-mini{align-items:stretch;flex-direction:column}.quote-mini input{max-width:none}.product-card img{height:160px}}
/* V7.8.2 Language Center */
.language-switcher{position:relative;display:inline-flex}.language-switcher>button{background:#fff;color:#344054;border:1px solid rgba(15,23,42,.10);box-shadow:none;padding:9px 13px;border-radius:999px;font-size:14px}.language-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:170px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:8px;box-shadow:0 22px 48px rgba(16,24,40,.14);display:none;z-index:80}.language-switcher:hover .language-menu,.language-switcher:focus-within .language-menu{display:grid;gap:4px}.site-header nav .language-menu a{border-radius:12px;padding:9px 11px;background:#fff;color:#344054}.site-header nav .language-menu a.active{background:#101827;color:#fff}.site-header nav .language-menu a:last-child{background:#fff;color:#344054}.site-header nav .language-menu a.active:last-child{background:#101827;color:#fff}
@media(max-width:760px){.language-menu{left:0;right:auto}.language-switcher>button{padding:7px 10px;font-size:13px}}