:root{color-scheme:dark;--bg:#08111f;--bg2:#0e192a;--surface:rgba(17,30,49,.78);--hover:#17263d;--text:#f8fafc;--muted:#aebbd0;--border:rgba(148,163,184,.2);--primary:#7dd3fc;--accent:#a78bfa;--header:rgba(8,17,31,.82);--shadow:0 24px 70px rgba(0,0,0,.25)}
html[data-theme=light]{color-scheme:light;--bg:#f6f8fc;--bg2:#edf2f8;--surface:rgba(255,255,255,.85);--hover:#fff;--text:#0f172a;--muted:#536178;--border:rgba(15,23,42,.12);--primary:#0284c7;--accent:#7c3aed;--header:rgba(246,248,252,.86);--shadow:0 24px 70px rgba(51,65,85,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:85px}body{margin:0;min-width:320px;font-family:Inter,"Noto Sans JP","Yu Gothic",sans-serif;color:var(--text);background:radial-gradient(circle at 10% 0,rgba(56,189,248,.12),transparent 32rem),radial-gradient(circle at 90% 15%,rgba(167,139,250,.12),transparent 26rem),var(--bg);line-height:1.75}a{color:inherit}.wrap{width:min(calc(100% - 40px),1120px);margin:auto}.skip{position:fixed;top:8px;left:8px;z-index:999;padding:9px 13px;background:#000;color:#fff;border-radius:10px;transform:translateY(-150%)}.skip:focus{transform:none}
.header{position:sticky;top:0;z-index:50;min-height:74px;padding:0 max(20px,calc((100% - 1240px)/2));display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--header);border-bottom:1px solid var(--border);backdrop-filter:blur(18px)}.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;letter-spacing:-.03em}.logo span{width:38px;height:38px;display:grid;place-items:center;color:#03131d;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:12px}.logo b{color:var(--primary)}.head-right{display:flex;align-items:center;gap:18px}.header nav{display:flex;gap:8px}.header nav a{padding:8px 10px;color:var(--muted);text-decoration:none}.header nav a:hover{color:var(--text)}#theme{width:43px;height:43px;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:12px;cursor:pointer;font-size:1.1rem}
.hero{position:relative;min-height:670px;display:grid;place-items:center;overflow:hidden}.hero-inner{text-align:center;padding:90px 0;position:relative;z-index:2}.eyebrow,.small{margin:0;color:var(--primary);font-size:.78rem;font-weight:900;letter-spacing:.18em}.hero h1{margin:20px auto 24px;font-size:clamp(3rem,8vw,6.8rem);line-height:1.02;letter-spacing:-.065em}.hero h1 span{color:transparent;background:linear-gradient(90deg,var(--primary),var(--accent));background-clip:text}.lead{max-width:680px;margin:auto;color:var(--muted);font-size:1.08rem}.actions{margin-top:34px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.btn{min-height:48px;padding:11px 20px;display:inline-flex;align-items:center;justify-content:center;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:14px;text-decoration:none;font-weight:800;transition:.2s}.btn:hover{transform:translateY(-3px)}.primary{color:#03131d;background:linear-gradient(135deg,var(--primary),var(--accent));border:0}.orb{position:absolute;border-radius:50%;filter:blur(12px)}.one{width:330px;height:330px;left:-130px;top:70px;background:rgba(56,189,248,.16)}.two{width:420px;height:420px;right:-170px;bottom:-80px;background:rgba(167,139,250,.16)}
.section{padding:102px 0}.section h2,.document h1{margin:8px 0 10px;font-size:clamp(2rem,4vw,3.5rem);line-height:1.12;letter-spacing:-.045em}.muted{color:var(--muted)}.grid{margin-top:34px;display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.card{min-height:360px;padding:28px;display:flex;flex-direction:column;text-decoration:none;background:var(--surface);border:1px solid var(--border);border-radius:26px;box-shadow:var(--shadow);backdrop-filter:blur(14px);transition:.28s}.card:hover{transform:translateY(-8px);background:var(--hover)}.featured{background:linear-gradient(145deg,rgba(56,189,248,.1),transparent 55%),var(--surface)}.icon{width:54px;height:54px;display:grid;place-items:center;margin-bottom:28px;color:#03131d;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:17px;font-size:1.4rem}.card h3{margin:8px 0;font-size:2rem;letter-spacing:-.04em}.card>p{color:var(--muted)}.card-bottom{margin-top:auto;padding-top:25px;display:flex;justify-content:space-between;gap:14px;border-top:1px solid var(--border)}.card-bottom span{font-size:.82rem;color:var(--muted);overflow-wrap:anywhere}.card-bottom b{color:var(--primary);white-space:nowrap}.alt{background:var(--bg2);border-block:1px solid var(--border)}.profile{display:grid;grid-template-columns:220px 1fr;gap:70px;align-items:center}.avatar{aspect-ratio:1;display:grid;place-items:center;font-size:6rem;font-weight:950;color:transparent;background:linear-gradient(135deg,var(--primary),var(--accent));background-clip:text;border:1px solid var(--border);border-radius:44px;box-shadow:var(--shadow)}.profile-lead{font-size:1.14rem;font-weight:700}.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.tags span{padding:7px 12px;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:999px;font-size:.86rem;font-weight:700}.about{padding:40px;display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:28px;box-shadow:var(--shadow)}
footer{padding-top:54px;background:var(--bg2);border-top:1px solid var(--border)}.footer-top{padding-bottom:36px;display:flex;justify-content:space-between;gap:30px}.footer-top p{margin:7px 0;color:var(--muted)}.footer-top nav{display:flex;gap:17px;flex-wrap:wrap}.footer-top a{color:var(--muted);text-decoration:none}.copy{padding:18px 0;color:var(--muted);font-size:.85rem;border-top:1px solid var(--border)}
.document{max-width:850px;margin:75px auto;padding:46px;background:var(--surface);border:1px solid var(--border);border-radius:28px;box-shadow:var(--shadow)}.document section{padding-top:24px}.document section p{color:var(--muted)}.error{min-height:100vh;padding:28px;display:grid;place-items:center;text-align:center}.error>div{padding:55px 35px;background:var(--surface);border:1px solid var(--border);border-radius:28px;box-shadow:var(--shadow)}.error strong{display:block;color:var(--primary);font-size:8rem;line-height:1}
@media(max-width:820px){.header nav{display:none}.grid,.profile,.about{grid-template-columns:1fr}.profile{gap:35px}.avatar{width:160px}.about{gap:12px}}@media(max-width:600px){.wrap{width:min(calc(100% - 28px),1120px)}.header{min-height:66px;padding:0 14px}.logo{font-size:.9rem}.hero{min-height:610px}.hero h1{font-size:clamp(2.7rem,14vw,4.6rem)}.section{padding:76px 0}.card{padding:23px}.card-bottom{flex-direction:column}.document{margin:40px 14px;padding:30px 22px}.footer-top{flex-direction:column}}

/* BenchLogを含む3サービスを、広い画面では均等に並べる。 */
@media (min-width:1061px){.services-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.services-grid .card{min-width:0}.services-grid .card-bottom{flex-direction:column;align-items:flex-start}}