/* ===== TOKENS ===== */
:root{
  --paper:#F3F1EA;--paper-2:#ECE9DF;--paper-3:#E2DED1;
  --ink:#0B1024;--ink-2:#2A3050;--muted:#6E7284;
  --line:rgba(11,16,36,.14);--line-2:rgba(11,16,36,.26);
  --accent:#1B2ACB;--brand-grad:linear-gradient(105deg,#2130CE 0%,#0C1352 58%,#05071F 100%);
  --marble-a:#E7E8ED;--marble-b:#D5D8E2;--field:#FAF9F4;
  --serif:'Instrument Serif','Noto Serif JP',Georgia,'Times New Roman',serif;
  --sans:'Hanken Grotesk','Noto Sans JP',system-ui,-apple-system,sans-serif;
  --mono:'Space Mono',ui-monospace,'SFMono-Regular',monospace;color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#080B18;--paper-2:#0F1428;--paper-3:#171D38;--ink:#ECEEF4;--ink-2:#C2C7DA;--muted:#868CA6;
  --line:rgba(236,238,244,.14);--line-2:rgba(236,238,244,.26);
  --accent:#4A5BF2;--brand-grad:linear-gradient(105deg,#3040EC 0%,#131C66 60%,#080C28 100%);
  --marble-a:#141B36;--marble-b:#070A1C;--field:#0F1428;color-scheme:dark;}}
:root[data-theme="dark"]{
  --paper:#080B18;--paper-2:#0F1428;--paper-3:#171D38;--ink:#ECEEF4;--ink-2:#C2C7DA;--muted:#868CA6;
  --line:rgba(236,238,244,.14);--line-2:rgba(236,238,244,.26);
  --accent:#4A5BF2;--brand-grad:linear-gradient(105deg,#3040EC 0%,#131C66 60%,#080C28 100%);
  --marble-a:#141B36;--marble-b:#070A1C;--field:#0F1428;color-scheme:dark;}

/* ===== BASE ===== */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
:root.ja body{font-size:16px}
:root.en .ja{display:none}:root.ja .en{display:none}
[hidden]{display:none!important}
h1,h2,h3,h4,h5{margin:0;font-weight:400;text-wrap:balance;letter-spacing:-.01em}
p{margin:0}a{color:inherit;text-decoration:none}img{max-width:100%}
::selection{background:var(--ink);color:var(--paper)}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,5vw,56px)}
.eyebrow{font-family:var(--mono);font-size:.7rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);display:inline-flex;align-items:center;gap:.7em}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--line-2)}
.tnum{font-variant-numeric:tabular-nums}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;font-family:var(--sans);font-size:.86rem;font-weight:600;
  padding:11px 22px;border-radius:999px;cursor:pointer;border:1px solid transparent;background:var(--brand-grad);background-size:150% 150%;
  color:#fff;transition:.3s;white-space:nowrap;box-shadow:0 4px 16px rgba(11,16,54,.22)}
.btn:hover{transform:translateY(-1px);background-position:100% 0;box-shadow:0 10px 28px rgba(11,16,54,.34)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-2);box-shadow:none}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);box-shadow:none;transform:translateY(-1px)}

/* ===== HEADER / NAV ===== */
header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:saturate(1.1) blur(10px);-webkit-backdrop-filter:saturate(1.1) blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:14px;height:66px}
.brand{display:flex;align-items:center;gap:.5em;font-family:var(--serif);font-size:1.55rem;letter-spacing:.01em;line-height:1}
.brand .mark{height:1.5em;width:auto}
.brand small{font-family:var(--mono);font-size:.55rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);transform:translateY(-.35em)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .mark{filter:drop-shadow(0 0 .9px rgba(255,255,255,.55))}}
:root[data-theme="dark"] .mark{filter:drop-shadow(0 0 .9px rgba(255,255,255,.55))}
nav.main{display:flex;gap:2px;margin-left:auto;align-items:stretch}
.navitem{position:relative;display:flex;align-items:center}
.navitem>a{font-size:.82rem;color:var(--ink-2);padding:8px 12px;border-radius:8px;letter-spacing:.04em;font-weight:600;transition:.2s;white-space:nowrap}
.navitem>a:hover,.navitem>a.active{color:var(--ink);background:color-mix(in srgb,var(--ink) 7%,transparent)}
.dropdown{position:absolute;top:100%;left:0;min-width:214px;background:var(--paper);border:1px solid var(--line);border-radius:12px;
  box-shadow:0 18px 44px rgba(11,16,36,.16);padding:7px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s;z-index:60}
.navitem:hover .dropdown,.navitem:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 12px;font-size:.85rem;color:var(--ink-2);border-radius:8px;white-space:nowrap;transition:.15s}
.dropdown a:hover{background:color-mix(in srgb,var(--ink) 7%,transparent);color:var(--ink)}
.controls{display:flex;align-items:center;gap:11px;margin-left:8px}
.langtog{display:inline-flex;border:1px solid var(--line-2);border-radius:999px;overflow:hidden;font-family:var(--mono);font-size:.68rem}
.langtog button{appearance:none;background:transparent;border:0;color:var(--muted);padding:6px 11px;cursor:pointer;font:inherit;transition:.2s}
.langtog button[aria-pressed="true"]{background:var(--brand-grad);color:#fff}
.menubtn{display:none;background:transparent;border:1px solid var(--line-2);border-radius:8px;width:40px;height:38px;cursor:pointer;color:var(--ink)}
.menubtn svg{display:block;margin:auto}
.mobnav{display:none}

/* ===== PAGE SHELL ===== */
.page-head{position:relative;overflow:hidden;background:#05060F;border-bottom:1px solid var(--line);padding:clamp(52px,7vw,96px) 0 clamp(34px,5vw,54px)}
.ph-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.ph-veil{position:absolute;inset:0;z-index:1;background:linear-gradient(102deg,rgba(4,6,20,.88),rgba(4,6,20,.52) 56%,rgba(4,6,20,.66)),linear-gradient(to bottom,rgba(4,6,20,.3),rgba(4,6,20,.5))}
.page-head>.wrap{position:relative;z-index:2}
.crumb{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(240,242,250,.6);margin-bottom:16px}
.crumb a{color:rgba(240,242,250,.75)}
.crumb a:hover{color:#fff}
.page-head h1{font-family:var(--serif);font-size:clamp(2.4rem,5.4vw,4.2rem);line-height:1.02;color:#F5F6FB}
.page-head .ph-sub{color:rgba(240,242,250,.84);max-width:62ch;margin-top:16px;font-size:clamp(1.02rem,1.5vw,1.18rem);line-height:1.55}
.subnav{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.subnav a{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;color:rgba(240,242,250,.82);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:7px 15px;transition:.2s}
.subnav a:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.sec{padding:clamp(54px,7vw,104px) 0}
.sec.alt{background:var(--paper-2);border-bottom:1px solid var(--line)}
.sec+.sec{border-top:1px solid var(--line)}
.sec-head{display:flex;flex-direction:column;gap:16px;margin-bottom:clamp(32px,4vw,52px);max-width:66ch}
.sec-title{font-family:var(--serif);font-size:clamp(1.9rem,4vw,3rem);line-height:1.06}
.lead{font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--ink-2);line-height:1.6;max-width:60ch}
.tag-note{display:inline-flex;align-items:center;gap:.6em;font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line-2);border-radius:999px;padding:5px 13px;width:fit-content}
.oib-logo{height:34px;width:auto;align-self:flex-start;display:block;margin:4px 0 2px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .oib-logo{filter:drop-shadow(0 2px 10px rgba(150,70,220,.35))}}
:root[data-theme="dark"] .oib-logo{filter:drop-shadow(0 2px 10px rgba(150,70,220,.35))}
.subhead{display:flex;flex-direction:column;gap:12px;margin:clamp(42px,5vw,68px) 0 26px;max-width:64ch}
.subhead h3{font-family:var(--serif);font-size:clamp(1.5rem,2.8vw,2.3rem);line-height:1.1}
.subhead p{color:var(--muted);max-width:60ch;font-size:.98rem}

/* ===== HERO (TOP) ===== */
.hero{position:relative;overflow:hidden;background:#05060F}
.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:0}
.hero .eyebrow{color:rgba(240,242,250,.72)}
.hero .eyebrow::before{background:rgba(240,242,250,.45)}
.hero-veil{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(102deg,rgba(4,6,20,.84) 0%,rgba(4,6,20,.48) 44%,rgba(4,6,20,.3) 100%),
  linear-gradient(to bottom,rgba(4,6,20,.4),transparent 28% 60%,var(--paper))}
.hero-inner{position:relative;z-index:2;padding:clamp(50px,9vw,104px) 0 clamp(42px,7vw,84px)}
.mission{font-family:var(--serif);line-height:.98;letter-spacing:-.02em;font-size:clamp(3rem,9vw,7.6rem);margin:.3em 0 .1em;color:#F5F6FB}
.mission span{display:block}
.mission em{font-style:italic;background:linear-gradient(105deg,#A6B6FF 0%,#5A6DF4 100%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.mission .l2{margin-left:clamp(0px,6vw,2.4em)}.mission .l3{margin-left:clamp(0px,3vw,1.2em)}
.hero-sub{max-width:36ch;margin-top:1.3em;font-size:clamp(1.02rem,1.6vw,1.24rem);color:rgba(240,242,250,.86);line-height:1.5}
:root.ja .hero-sub{max-width:32ch}
.hero-jp{margin-top:.85em;font-family:var(--serif);font-size:clamp(1.05rem,1.9vw,1.45rem);color:rgba(240,242,250,.6)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:2em}
.hero .btn.ghost{color:#fff;border-color:rgba(255,255,255,.42)}
.hero .btn.ghost:hover{color:#fff;border-color:#fff}
.hero-meta{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:18px 40px;padding:20px 0 26px;border-top:1px solid rgba(240,242,250,.18)}
.hero-meta div{display:flex;flex-direction:column;gap:3px}
.hero-meta dt{font-family:var(--mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(240,242,250,.55)}
.hero-meta dd{margin:0;font-size:.92rem;color:rgba(240,242,250,.82)}

/* hero chat */
.hero-chat{position:absolute;right:clamp(20px,4vw,60px);bottom:clamp(104px,13vh,150px);z-index:4;width:min(400px,40vw)}
.ch-msgs{display:flex;flex-direction:column;gap:16px;justify-content:flex-end}
.msg{display:flex;flex-direction:column;gap:7px;max-width:100%;animation:chin .4s ease}
@keyframes chin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.idrow{display:flex;align-items:center;gap:8px;padding-left:2px}
.idrow .nm{font-size:.82rem;font-weight:500;color:rgba(255,255,255,.82)}
.av{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--sans);font-size:.72rem;font-weight:700;color:#20233a;background:linear-gradient(135deg,#d6dae8,#9aa0b6)}
.orb{width:24px;height:24px;border-radius:50%;background:radial-gradient(circle at 32% 28%,#a9b6ff 0%,#6a5cff 45%,#c069df 82%);box-shadow:0 0 12px rgba(120,120,255,.55)}
.bub{font-size:1rem;line-height:1.45;border-radius:20px;border-top-left-radius:8px;padding:13px 17px;max-width:100%;backdrop-filter:blur(10px) saturate(1.1);-webkit-backdrop-filter:blur(10px) saturate(1.1)}
.msg.cust .bub{background:rgba(232,234,242,.17);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.72)}
.msg.ai .bub{background:rgba(92,109,244,.42);border:1px solid rgba(150,168,255,.42);color:#fff;box-shadow:0 12px 34px rgba(30,40,120,.3)}
.typing{display:inline-flex;gap:5px;padding:4px 2px}
.typing i{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.7);animation:chtype 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes chtype{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
@media (max-width:1040px){.hero-chat{display:none}}
@media (prefers-reduced-motion:reduce){.typing i,.msg{animation:none}}

/* ===== TOP overview cards ===== */
.intro-band{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.intro-band .big{font-family:var(--serif);font-size:clamp(1.6rem,2.6vw,2.4rem);line-height:1.3}
.ovgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ovcard{border:1px solid var(--line);border-radius:16px;padding:clamp(24px,2.6vw,32px);background:var(--paper);display:flex;flex-direction:column;gap:13px;transition:.25s;min-height:100%}
.sec.alt .ovcard{background:var(--paper)}
.ovcard:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 16px 40px rgba(11,16,36,.09)}
.ovcard .k{font-family:var(--mono);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.ovcard h3{font-family:var(--serif);font-size:1.5rem;line-height:1.14}
.ovcard p{color:var(--muted);font-size:.93rem;line-height:1.55;flex:1}
.more{font-family:var(--sans);font-weight:600;font-size:.85rem;color:var(--accent);display:inline-flex;align-items:center;gap:.4em}
.more::after{content:"→";transition:transform .2s}
.ovcard:hover .more::after,.linkrow:hover .more::after{transform:translateX(3px)}

/* ===== shared components ===== */
.cgrid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.cgrid.c4{grid-template-columns:repeat(4,1fr)}.cgrid.c3{grid-template-columns:repeat(3,1fr)}
.cell{background:var(--paper);padding:clamp(22px,2.4vw,30px);display:flex;flex-direction:column;gap:13px;min-height:100%}
.sec.alt .cell{background:var(--paper-2)}
.cell .ix{font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.cell h3{font-size:1.12rem;line-height:1.25;font-weight:600;font-family:var(--sans)}
.cell p{font-size:.92rem;color:var(--muted);line-height:1.55}
.proc{border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:auto 1fr minmax(0,42ch);gap:clamp(16px,4vw,48px);align-items:baseline;padding:clamp(18px,2.4vw,28px) 0;border-bottom:1px solid var(--line);transition:padding-left .3s}
.step:hover{padding-left:10px}
.step .no{font-family:var(--mono);font-size:.9rem;color:var(--muted)}
.step .st-title{font-family:var(--serif);font-size:clamp(1.35rem,2.6vw,2rem);line-height:1.1}
.step .st-desc{color:var(--muted);font-size:.95rem}
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.flow span.s{font-family:var(--mono);font-size:.74rem;color:var(--ink-2);border:1px solid var(--line-2);border-radius:999px;padding:7px 14px}
.flow span.a{color:var(--muted)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{border:1px solid var(--line);border-radius:14px;padding:clamp(24px,2.6vw,32px);background:var(--paper);display:flex;flex-direction:column;gap:14px;transition:.25s}
.card:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 16px 40px rgba(11,16,36,.08)}
.card .tag{font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.card h3{font-family:var(--serif);font-size:1.4rem;line-height:1.15}
.card h4{font-family:var(--sans);font-weight:700;font-size:1.05rem}
.card p{color:var(--muted);font-size:.94rem;line-height:1.55}
.card.plan{position:relative}
.badge{position:absolute;top:20px;right:20px;font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;background:var(--brand-grad);color:#fff;border-radius:999px;padding:5px 11px}
.price-k{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.flist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.flist li{position:relative;padding-left:22px;font-size:.9rem;color:var(--ink-2);line-height:1.45}
.flist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-size:.78rem;font-weight:700}
.layers{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.layer{display:grid;grid-template-columns:56px 1fr;gap:22px;padding:clamp(20px,2.4vw,28px);background:var(--paper);align-items:start}
.sec.alt .layer{background:var(--paper-2)}
.layer .ln{font-family:var(--serif);font-size:2rem;color:var(--muted);line-height:1}
.layer h4{font-family:var(--sans);font-weight:700;font-size:1.1rem;margin-bottom:6px}
.layer .sub{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.layer p{color:var(--muted);font-size:.93rem;line-height:1.5}
.layer .subitems{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.bchip{border:1px solid var(--line-2);border-radius:999px;padding:6px 14px;font-family:var(--mono);font-size:.72rem;color:var(--ink-2);white-space:nowrap}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat{border:1px solid var(--line);border-radius:14px;padding:clamp(24px,2.6vw,32px);background:var(--paper);display:flex;flex-direction:column;gap:10px}
.sec.alt .stat{background:var(--paper-2)}
.stat .big{font-family:var(--serif);font-size:clamp(2.3rem,4vw,3.3rem);line-height:1;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.stat .stt{font-weight:700;font-size:1rem}
.stat p{color:var(--muted);font-size:.88rem;line-height:1.5}
.cases{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.case{border:1px solid var(--line);border-radius:14px;padding:clamp(24px,2.6vw,32px);background:var(--paper);display:flex;flex-direction:column;gap:16px}
.sec.alt .case{background:var(--paper-2)}
.case .cmeta{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.case h4{font-family:var(--serif);font-size:1.55rem;line-height:1.1}
.case .cintro{color:var(--ink-2);font-size:.95rem;line-height:1.55}
.cblocks{display:flex;flex-direction:column;gap:14px}
.cblock .bh{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.cblock p{font-size:.9rem;color:var(--ink-2);line-height:1.5}
.co{display:grid;grid-template-columns:1fr;border-top:1px solid var(--line-2)}
.row{display:grid;grid-template-columns:minmax(150px,220px) 1fr;gap:16px;padding:18px 4px;border-bottom:1px solid var(--line);align-items:baseline}
.row dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.row dd{margin:0;font-size:1.02rem;color:var(--ink)}
.note{margin-top:18px;font-size:.82rem;color:var(--muted);line-height:1.5}
.statements{display:flex;flex-direction:column}
.stmt{padding:24px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(120px,180px) 1fr;gap:24px;align-items:start}
.stmt:first-child{border-top:0;padding-top:0}
.stmt .lab{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);padding-top:8px}
.stmt p{font-family:var(--serif);font-size:clamp(1.3rem,2.2vw,1.85rem);line-height:1.32;color:var(--ink)}
.stmt .d{font-family:var(--sans);font-size:.95rem;color:var(--muted);margin-top:10px;line-height:1.55}
.message{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,64px);align-items:start}
.message .mtext p{font-size:1.04rem;line-height:1.85;color:var(--ink-2);margin-bottom:1.1em}
.message .sign{margin-top:26px;font-family:var(--serif);font-size:1.3rem}
.message .sign small{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.mcard{border:1px solid var(--line);border-radius:16px;background:var(--paper-2);padding:clamp(24px,3vw,40px);align-self:start}
.mcard .q{font-family:var(--serif);font-style:italic;font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.4;color:var(--ink)}
.mcard .portrait{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:12px;display:block}
.mcard .pcap{display:flex;flex-direction:column;gap:3px;margin:16px 0 18px}
.mcard .pcap .pt{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.mcard .pcap .pn{font-family:var(--serif);font-size:1.4rem}
.aside{border-left:1px solid var(--line-2);padding-left:22px;display:flex;flex-direction:column;gap:22px}
.aside .term{font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.aside .def{font-family:var(--serif);font-style:italic;font-size:1.1rem;line-height:1.5;color:var(--ink-2)}
.bridge{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,6vw,72px);align-items:start}
.bridge .body{font-family:var(--serif);font-size:clamp(1.2rem,2vw,1.55rem);line-height:1.4;color:var(--ink)}
.barlab{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.alliance{font-size:.92rem;color:var(--ink-2);line-height:1.55}.alliance strong{color:var(--accent);font-weight:700}

/* news */
.news{border-top:1px solid var(--line-2)}
.nrow{display:grid;grid-template-columns:120px 1fr auto;gap:22px;align-items:center;padding:22px 4px;border-bottom:1px solid var(--line);transition:.2s;cursor:pointer}
.nrow:hover{background:color-mix(in srgb,var(--ink) 4%,transparent);padding-left:10px}
.nrow time{font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.nrow .nt{font-size:1.05rem;color:var(--ink)}
.nrow .more{font-size:.8rem}
.article{max-width:760px}
.article time{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.article h2{font-family:var(--serif);font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.1;margin:12px 0 22px}
.article p{color:var(--ink-2);line-height:1.85;margin-bottom:1.1em}
.backlink{display:inline-flex;align-items:center;gap:.5em;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--accent);margin-bottom:26px}

/* contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,6vw,72px);align-items:start}
.cintro2{color:var(--ink-2);line-height:1.7;margin-bottom:22px;font-size:1.05rem}
.hours{font-family:var(--mono);font-size:.74rem;letter-spacing:.05em;color:var(--muted);border-top:1px solid var(--line);padding-top:18px}
.mailline{margin-top:14px;font-family:var(--mono);font-size:.92rem}
.mailline a{color:var(--accent);text-decoration:none;border-bottom:1px solid var(--line-2);padding-bottom:2px}
.mailline a:hover{border-color:var(--accent)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .full{grid-column:1/-1}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.field label .rq{color:var(--accent)}
.field input,.field select,.field textarea{background:var(--field);border:1px solid var(--line-2);border-radius:10px;padding:12px 14px;font:inherit;font-size:.95rem;color:var(--ink);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.field textarea{min-height:120px;resize:vertical}
.form .actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:4px}
.formnote{font-size:.78rem;color:var(--muted);line-height:1.5}
.formmsg{grid-column:1/-1;font-size:.9rem;color:var(--ink);border:1px solid var(--line-2);border-radius:10px;padding:14px 16px;background:var(--paper)}

/* CTA band */
.ctaband{text-align:center;padding:clamp(60px,9vw,120px) 0}
.ctaband h2{font-family:var(--serif);font-size:clamp(2.2rem,5vw,4rem);line-height:1.02}
.ctaband p{margin:1em auto 0;max-width:42ch;color:var(--ink-2)}
.ctaband .hero-cta{justify-content:center;margin-top:1.8em}
.faq{border-top:1px solid var(--line);margin-top:6px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 4px;font-family:var(--serif);font-size:clamp(1.1rem,2vw,1.45rem);color:var(--ink);display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--muted);font-size:1.2em}
.faq details[open] summary::after{content:"–"}
.faq .fa{padding:0 4px 22px;color:var(--ink-2);line-height:1.75;max-width:72ch}

.vband{position:relative;overflow:hidden;background:#05060F;border-radius:16px;height:clamp(240px,30vw,400px);margin:clamp(40px,5vw,64px) 0}
.vband video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.vband .vveil{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(4,6,20,.74),rgba(4,6,20,.32) 55%,rgba(4,6,20,.5)),linear-gradient(to top,rgba(4,6,20,.62),transparent 55%)}
.vband .vcap{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(22px,3vw,38px)}
.vband .vcap .eyebrow{color:rgba(240,242,250,.72)}
.vband .vcap .eyebrow::before{background:rgba(240,242,250,.45)}
.vband .vcap h3{font-family:var(--serif);color:#F5F6FB;font-size:clamp(1.5rem,3vw,2.6rem);line-height:1.12;margin-top:12px;max-width:24ch}
.vband.full{border-radius:0;margin:0;height:clamp(280px,32vw,440px);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.vband.full .vcap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,5vw,56px) clamp(24px,4vw,44px)}
@media (prefers-reduced-motion:reduce){.vband video{}}
/* footer */
footer{border-top:1px solid var(--line);background:var(--paper-2);padding:56px 0 40px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot .brand{font-size:1.3rem;margin-bottom:12px}
.foot .fdesc{font-size:.85rem;color:var(--muted);max-width:34ch;line-height:1.55}
.fcol h4{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.fcol a{display:block;font-size:.86rem;color:var(--ink-2);padding:4px 0;transition:.2s}
.fcol a:hover{color:var(--ink)}
.legal{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:36px;padding-top:20px;border-top:1px solid var(--line);font-size:.77rem;color:var(--muted)}
.legal a:hover{color:var(--ink)}.legal .sp{margin-left:auto}

@media (max-width:1080px){
  .cgrid.c4{grid-template-columns:repeat(2,1fr)}
  .grid3,.ovgrid,.stats{grid-template-columns:1fr}
  .bridge,.message,.contact-grid,.intro-band{grid-template-columns:1fr;gap:32px}
  .cases,.grid2{grid-template-columns:1fr}
  .step{grid-template-columns:auto 1fr;gap:12px 20px}.step .st-desc{grid-column:2;margin-top:4px}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  nav.main,.controls .btn{display:none}
  .menubtn{display:flex;align-items:center;justify-content:center;margin-left:auto}
  .controls{margin-left:0}
  .mobnav{display:block;position:fixed;inset:66px 0 auto 0;z-index:49;background:var(--paper);border-bottom:1px solid var(--line);
    transform:translateY(-120%);transition:transform .32s cubic-bezier(.4,0,.2,1);max-height:0;overflow:auto}
  .mobnav.open{transform:translateY(0);max-height:84vh}
  .mobnav a{display:block;padding:13px clamp(20px,5vw,56px);border-bottom:1px solid var(--line);font-size:1rem}
  .mobnav a.sub{padding-left:clamp(36px,8vw,72px);color:var(--muted);font-size:.9rem}
  .mobnav .grp{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding:16px clamp(20px,5vw,56px) 4px}
  .cgrid.c3{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .stmt{grid-template-columns:1fr;gap:8px}
  .nrow{grid-template-columns:1fr auto}
}
@media (max-width:460px){.cgrid.c4{grid-template-columns:1fr}.row{grid-template-columns:1fr;gap:5px}.layer{grid-template-columns:1fr;gap:10px}.foot{grid-template-columns:1fr}}

/* ===== SOLUTION LIST (card grid + category filter) ===== */
.sfilter{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 clamp(22px,3vw,34px)}
.sfilter button{appearance:none;display:inline-flex;align-items:center;gap:.6em;background:transparent;color:var(--ink-2);border:1px solid var(--line-2);border-radius:999px;padding:8px 16px;font-family:var(--sans);font-size:.84rem;font-weight:600;cursor:pointer;transition:.2s}
.sfilter button i{font-style:normal;font-family:var(--mono);font-size:.68rem;font-weight:400;color:var(--muted);transition:.2s}
.sfilter button:hover{border-color:var(--ink);color:var(--ink)}
.sfilter button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.sfilter button[aria-pressed="true"] i{color:var(--paper);opacity:.7}
.sfilter button:focus-visible,.scard:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scard{display:flex;flex-direction:column;gap:18px;padding:14px 14px clamp(22px,2.4vw,28px);border:1px solid var(--line);border-radius:16px;background:var(--paper);transition:.25s;animation:sfade .35s ease both}
.scard:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 16px 40px rgba(11,16,36,.08)}
.sthumb{position:relative;height:136px;border-radius:10px;background:linear-gradient(135deg,var(--marble-a),var(--marble-b));display:flex;align-items:center;justify-content:center;color:var(--ink-2);overflow:hidden}
.sthumb svg{width:46px;height:46px}
.sthumb .oib-logo{height:30px;margin:0;align-self:auto}
.sthumb .ix{position:absolute;left:14px;top:12px;font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;color:var(--muted)}
.sthumb .sflag{position:absolute;right:12px;top:10px;font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--paper);background:var(--ink);border-radius:999px;padding:3px 9px}
.sbody{display:flex;flex-direction:column;gap:12px;padding:0 12px;flex:1}
.scat{font-family:var(--mono);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.scard h3{font-family:var(--serif);font-size:1.5rem;line-height:1.14}
.scard p{color:var(--muted);font-size:.93rem;line-height:1.55;flex:1}
.scard:hover .more::after{transform:translateX(3px)}
@keyframes sfade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (max-width:1080px){.sgrid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.sgrid{grid-template-columns:1fr}.sthumb{height:112px}}
@media (prefers-reduced-motion:reduce){.scard{animation:none}}

/* ===== WHITE-ON-BLUE EMPHASIS + WHITE SURFACES ===== */
:root{--surface:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--surface:var(--paper-2)}}
:root[data-theme="dark"]{--surface:var(--paper-2)}
.emph{position:relative;overflow:hidden;border-radius:20px;background:var(--brand-grad);color:#fff;padding:clamp(30px,5vw,64px);box-shadow:0 24px 60px rgba(11,16,54,.22)}
.emph::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 90% at 100% 0,rgba(255,255,255,.14),transparent 62%);pointer-events:none}
.emph>*{position:relative}
.emph .eyebrow{color:rgba(255,255,255,.74)}
.emph .eyebrow::before{background:rgba(255,255,255,.5)}
.emph h2,.emph h3,.emph .big{color:#fff}
.emph p,.emph .lead{color:rgba(255,255,255,.9)}
.emph .btn{background:#fff;color:#0C1352;border-color:#fff;box-shadow:0 6px 20px rgba(0,0,0,.18)}
.emph .btn:hover{background:#fff;color:#1B2ACB;box-shadow:0 12px 30px rgba(0,0,0,.26)}
.emph .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);box-shadow:none}
.emph .btn.ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff}
.emph .bchip{border-color:rgba(255,255,255,.4);color:#fff}
.ctaband.emph{padding:clamp(48px,7vw,96px) clamp(24px,5vw,64px)}
.emph-head{display:flex;flex-direction:column;gap:16px;max-width:64ch}
.emph-head h2{font-family:var(--serif);font-size:clamp(1.9rem,4vw,3rem);line-height:1.08}
.emph .chips{margin-top:26px}
.emph .hero-cta{margin-top:28px}
.dgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.dgrid .card{background:var(--surface)}
.scard{background:var(--surface)}
@media (min-width:1081px){.ovgrid .ovcard:last-child:nth-child(3n+1){grid-column:1/-1}}
@media (max-width:1080px){.dgrid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.dgrid{grid-template-columns:1fr}}

/* header: logo mark only */
header .brand .mark{height:42px}

/* ===== company message panel ===== */
.emph.msg .emph-head h2{font-size:clamp(1.7rem,3vw,2.35rem);line-height:1.2}
.emph.msg .lead{font-size:1.02rem;line-height:1.9;max-width:none}

/* ===== production additions ===== */
[id^="sec-"],#faq{scroll-margin-top:76px}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:8px;font-size:.85rem}
.skip:focus{left:12px}

.article figure.nfig{margin:28px 0}
.article figure.nfig img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line)}
.article figcaption{margin-top:10px;font-size:.82rem;color:var(--muted)}
.article .nlinks{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:10px}
.article .nlinks a{color:var(--ink);border-bottom:1px solid var(--line-2);padding-bottom:2px}
.article .nlinks a:hover{border-bottom-color:var(--ink)}