/* MULTI LAB GUIDE — shared portal foundations v3 */
:root{--bg:#f7f9fc;--white:#fff;--surface:#fff;--ink:#15283f;--muted:#556780;--outline:#dce5f1;--blue:#2359d2;--blue-hover:#143e9a;--tint:#edf3ff;--green:#387948;--focus:#f8bd58;--font:system-ui,-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic","Meiryo",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:98px}body{margin:0;color:var(--ink);font:16px/1.7 var(--font);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:inherit}a:hover{color:var(--blue)}.wrap{width:min(1130px,calc(100% - 44px));margin-inline:auto}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.skip{position:absolute;top:-100px;left:12px;z-index:100;background:white;padding:10px 20px}.skip:focus{top:8px}
.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);backdrop-filter:blur(15px);border-bottom:1px solid var(--outline)}.top-row{min-height:77px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:850;letter-spacing:-.045em;font-size:18px}.logo:hover{color:var(--ink)}.symbol{display:grid;grid-template-columns:repeat(2,9px);grid-template-rows:repeat(2,9px);gap:3px;border-radius:8px;background:var(--blue);padding:9px;transform:rotate(-5deg)}.symbol i{background:#fff;border-radius:2px}.symbol i:nth-child(2){opacity:.5}.symbol i:nth-child(3){opacity:.75}.logo b{color:var(--blue)}.logo small{font-size:10px;margin-left:6px;color:#5e718d;letter-spacing:.09em}.top nav{display:flex;gap:31px;align-items:center}.top nav a{text-decoration:none;font-size:13px;color:#405977;font-weight:750}.top nav a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:51px;padding:12px 22px;border-radius:12px;font-weight:850;font-size:14px;text-decoration:none;background:var(--blue);color:white;border:1px solid var(--blue);transition:background .15s,transform .15s}.btn:hover{color:white;background:var(--blue-hover);transform:translateY(-1px)}.btn.ghost{background:white;border-color:var(--outline);color:var(--ink)}.btn.ghost:hover{background:#eff4ff;color:var(--blue)}.btn.green{background:var(--green);border-color:var(--green)}.btn.green:hover{background:#266135}
.hero{padding:75px 0 73px;background:radial-gradient(circle at 25% 0%,#ebf2ff,transparent 45%),#f7f9fd;border-bottom:1px solid var(--outline)}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);align-items:center;gap:65px}.eyebrow{font-size:12px;color:#3f68ae;letter-spacing:.1em;font-weight:900;display:flex;align-items:center;gap:9px}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px #e5edfd}.hero h1{font-size:clamp(34px,4.15vw,54px);letter-spacing:-.075em;line-height:1.37;margin:20px 0 19px}.hero h1 span{color:var(--blue)}.hero p.lead{color:var(--muted);font-size:16px;line-height:1.95;max-width:550px;margin:0 0 27px}.hero .tiny{font-size:12px;color:#75839a;margin-top:15px}.directory-card{background:#fff;border:1px solid #dce5ee;border-radius:21px;box-shadow:0 22px 58px #18375c12;padding:23px}.directory-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:13px}.directory-head strong{font-size:14px}.directory-head small{font-size:11px;color:#7b8a9c;font-weight:750}.directory-item{display:flex;align-items:center;gap:15px;text-decoration:none;padding:17px 14px;border:1px solid #cbdacc;background:#f6faf5;border-radius:13px;transition:background .15s,transform .15s}.directory-item:hover{color:var(--ink);background:#eaf5e8;transform:translateY(-1px);border-color:#87ad82}.directory-icon{width:54px;height:54px;border-radius:10px;background:linear-gradient(180deg,#619544 0 27%,#926a41 27% 100%);position:relative;box-shadow:inset 0 -7px 0 #785235;flex-shrink:0}.directory-icon:before{content:"";position:absolute;top:11px;left:6px;width:12px;height:7px;background:#a3be6f;box-shadow:21px 1px #487c39,30px 27px #b58c5d,4px 27px #755134}.directory-content{flex:1;min-width:0}.directory-content strong{display:block;font-size:19px;line-height:1.3;color:#244c2e}.directory-content small{display:block;font-size:12px;color:#5c7260;margin-top:6px}.directory-arrow{font-weight:800;color:#336e40;font-size:20px}.divider{height:1px;background:var(--outline);margin:17px 0}.side-links{display:grid;gap:8px}.side-links a{display:flex;justify-content:space-between;gap:10px;align-items:center;border-radius:8px;text-decoration:none;color:#34506f;background:#f7f9fc;font-size:13px;padding:10px 12px;font-weight:700}.side-links a:hover{background:#eef3fc}
.stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}.stats span{padding:8px 12px;border-radius:7px;background:#fff;border:1px solid var(--outline);font-size:12px;color:#465d78;font-weight:700}
.section{padding:80px 0}.section.alt{background:#fff;border-block:1px solid var(--outline)}.section-label{font-size:12px;color:var(--blue);letter-spacing:.085em;font-weight:900}.section h2{font-size:clamp(26px,3vw,37px);letter-spacing:-.06em;line-height:1.4;margin:12px 0}.section-intro{font-size:14px;color:var(--muted);margin:0 0 29px}.section-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.tile{background:#fff;border:1px solid var(--outline);border-radius:15px;padding:23px 24px;text-decoration:none;display:flex;flex-direction:column;gap:11px;min-height:230px;transition:border .15s,transform .15s,box-shadow .15s}.tile:hover{color:var(--ink);border-color:#9fb7e6;box-shadow:0 13px 29px #1a427011;transform:translateY(-2px)}.tile .tag{font-size:11px;display:inline-block;padding:3px 8px;background:#edf3ff;color:#335eb0;border-radius:6px;font-weight:850;width:fit-content}.tile h3{margin:0;font-size:19px;letter-spacing:-.04em;line-height:1.5}.tile p{margin:0;font-size:13px;line-height:1.85;color:var(--muted)}.tile .go{margin-top:auto;color:var(--blue);font-size:13px;font-weight:850}.tile.muted{background:#f6f8fb;border-style:dashed;cursor:default;min-height:205px}.tile.muted:hover{border-color:var(--outline);box-shadow:none;transform:none}.tile.muted h3{color:#6f8199}.tile.muted .tag{background:#e8edf3;color:#61738b}
.sitemap-shell{display:grid;grid-template-columns:1fr 1fr;gap:23px}.sitemap-group{border:1px solid var(--outline);background:#fff;padding:25px 28px;border-radius:15px}.sitemap-group h3{margin:0 0 17px;font-size:18px}.sitemap-group ul{margin:0;padding:0;list-style:none;display:grid;gap:12px}.sitemap-group li a{font-weight:750;font-size:14px;color:#2b559d;text-underline-offset:4px}.sitemap-group li small{display:block;font-size:12px;color:#718098;margin-top:3px}.sitemap-note{font-size:12px;color:#708098;margin-top:17px}
.footer{background:#ecf1f7;border-top:1px solid var(--outline);padding:36px 0 23px}.footer-main{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:20px}.footer p{font-size:12px;line-height:1.9;color:#617189}.footer-links{display:grid;gap:6px}.footer-links strong{font-size:13px}.footer-links a{font-size:13px;color:#3a5c8d}.copyright{border-top:1px solid #d5e0ec;margin-top:29px;padding-top:16px;font-size:11px;color:#718197;display:flex;justify-content:space-between;gap:12px}
.subpage{padding:65px 0 100px;min-height:70vh}.subpage h1{font-size:clamp(30px,4vw,42px);letter-spacing:-.055em;line-height:1.4;margin:8px 0 17px}.subpage h2{font-size:23px;letter-spacing:-.035em;margin:42px 0 13px}.subpage p,.subpage li{line-height:1.9;color:var(--muted)}.subpage .narrow{max-width:760px}.subpage a:not(.btn){color:var(--blue);text-underline-offset:4px}.subpage .sitemap-group a{font-size:14px}.breadcrumbs{font-size:12px;color:#6d809b;margin-bottom:14px}.breadcrumbs a{color:var(--blue)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:31px}.hero{padding:52px 0 55px}.directory-card{max-width:620px}.section-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){html{scroll-padding-top:75px}.wrap{width:min(100% - 32px,1130px)}.top-row{min-height:66px}.logo{font-size:16px;gap:8px}.logo small{font-size:9px}.symbol{grid-template-columns:repeat(2,8px);grid-template-rows:repeat(2,8px);gap:2px;padding:7px}.top nav{gap:15px}.top nav a{font-size:11px}.top nav a:last-child{display:none}.hero{padding:39px 0 48px}.hero h1{font-size:36px;margin:14px 0}.hero p.lead{font-size:15px}.directory-card{padding:15px;border-radius:15px}.directory-head{padding:3px 3px 0}.directory-item{padding:15px 10px}.directory-icon{width:48px;height:48px}.directory-content strong{font-size:17px}.directory-content small{font-size:11px}.btn{width:100%;min-height:52px}.section{padding:58px 0}.section h2{font-size:28px}.section-grid{grid-template-columns:1fr}.tile{min-height:170px;padding:21px}.sitemap-shell{grid-template-columns:1fr;gap:13px}.sitemap-group{padding:21px}.footer-main{grid-template-columns:1fr 1fr;gap:24px}.footer-main>div:first-child{grid-column:1/-1}.copyright{display:block}.stats{gap:7px}.stats span{font-size:11px}.subpage{padding:42px 0 65px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}