/* ================= Variant 2: premium developer style ================= */
.okx { --okx-ease: cubic-bezier(.45,.05,.2,1); --okx-soft: cubic-bezier(.22,.61,.36,1); --okx-pad: clamp(16px, 4vw, 64px); background: var(--white); color: var(--black); font-family: var(--font-text); }
.okx-wrap { max-width: 1440px; margin-inline: auto; padding-inline: var(--okx-pad); box-sizing: border-box; }
.okx a:focus-visible, .okx button:focus-visible, .okx input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: 3px; }
.okx-contact a:focus-visible, .okx-contact button:focus-visible, .okx-ft a:focus-visible, .okx-ft button:focus-visible { outline-color: var(--lime); }

/* type */
.okx-display { margin: 0; font-family: var(--font-display); font-weight: 400; font-size: clamp(40px, 5.4vw, 88px); line-height: 1.05; letter-spacing: -.01em; }
.okx-h2 { margin: 0; font-family: var(--font-display); font-weight: 400; font-size: clamp(32px, 3.6vw, 58px); line-height: 1.12; letter-spacing: -.01em; }
.okx-lead { margin: 0; font-size: clamp(18px, 1.4vw, 21px); line-height: 1.6; }
.okx-body { margin: 0; font-size: 17px; line-height: 1.7; color: var(--ink-muted); }
.okx-label { display: inline-flex; align-items: center; align-self: start; justify-self: start; gap: 10px; margin: 0 0 20px; font-size: 14px; }
.okx-label-n { color: var(--ink-muted); }
.okx-label.is-light, .okx-label.is-light .okx-label-n { color: var(--white); }
.okx-mark { display: inline-flex; align-items: center; direction: ltr; flex: none; }
.okx-mark i { width: 18px; height: 10px; border-radius: 10px; background: var(--lime); }
.okx-mark b { width: 16px; height: 10px; background: var(--black); }
.okx-label.is-light .okx-mark b, .okx-mark-l b { background: var(--white); }
.okx-mark-l i { width: 40px; height: 22px; border-radius: 22px; }
.okx-mark-l b { width: 36px; height: 22px; }
.okx-hl { background: var(--lime); color: var(--black); padding-inline: .18em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.okx-ph { color: var(--ink-muted); }
.okx-note { margin: 24px 0 0; font-size: 13px; color: var(--ink-muted); }

/* buttons and links */
.ok-site a.okx-btn, .okx-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 52px; padding-inline: 26px; border: 0; border-radius: var(--radius-pill); font: inherit; font-size: 16px; white-space: nowrap; text-decoration: none; cursor: pointer; box-sizing: border-box; transition: background-color .8s var(--okx-ease), color .8s var(--okx-ease), box-shadow .8s var(--okx-ease); }
.okx-btn-dark { background: var(--black); color: var(--white); }
.okx-btn-dark:hover { background: var(--lime); color: var(--black); }
.okx-btn-line { background: transparent; color: var(--black); box-shadow: inset 0 0 0 1px var(--black); }
.okx-btn-line:hover { background: var(--black); color: var(--white); }
.okx-btn-lime { background: var(--lime); color: var(--black); }
.okx-btn-lime:hover { background: var(--white); color: var(--black); }
.okx .okx-arrow { transition: transform 1s var(--okx-ease); }
.okx-btn:hover .okx-arrow, .okx-link:hover .okx-arrow, .okx-hero-view:hover .okx-arrow { transform: scaleX(-1) translate(3px, -3px); }
.okx .okx-arrow-fwd { transform: scaleX(-1) rotate(45deg); }
.okx .okx-arrow-back { transform: scaleX(-1) rotate(-135deg); }
.okx-link, .okx-hd-phone { color: inherit; }
.okx-link { display: inline-flex; align-items: center; gap: 8px; padding-bottom: 4px; font-size: 16px; text-decoration: none; background: linear-gradient(currentColor, currentColor) no-repeat 100% 100% / 100% 1px; transition: background-size 1s var(--okx-ease); }
.okx-link:hover { background-size: 0 1px; }
.okx-round { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; flex: none; border: 0; border-radius: 50%; background: transparent; color: var(--black); box-shadow: inset 0 0 0 1px var(--black); cursor: pointer; transition: background-color .7s var(--okx-ease), color .7s var(--okx-ease); }
.okx-round:hover { background: var(--black); color: var(--white); }

/* sections and reveal */
.okx-sec { padding-block: clamp(80px, 10vw, 160px); }
.okx-head { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 96px); align-items: end; margin-bottom: clamp(40px, 5vw, 72px); }
.okx-head-side { display: flex; flex-direction: column; align-items: flex-start; gap: 24px; }
.okx-r { opacity: 0; transform: translateY(28px); transition: opacity 1.6s var(--okx-ease), transform 1.9s var(--okx-ease); transition-delay: calc(var(--i, 0) * 140ms); }
.is-in .okx-r { opacity: 1; transform: none; }
@keyframes okx-in { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes okx-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes okx-bar { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes okx-kb { from { transform: scale(1); } to { transform: scale(1.06); } }

/* header */
.okx-hd { position: sticky; top: 0; z-index: 60; background: var(--white); transition: transform 1s var(--okx-ease), box-shadow .8s var(--okx-ease); }
.okx-hd.is-scrolled, .okx-hd.has-mega { box-shadow: 0 1px 0 var(--line); }
.okx-hd.is-hidden { transform: translateY(-100%); }
.okx-hd-in { display: flex; align-items: center; gap: 32px; height: 84px; }
.okx-hd .ok-logosplit { flex: none; }
.okx-hd-nav { flex: 1; display: flex; justify-content: center; gap: 4px; }
.okx-hd-link { position: relative; display: inline-flex; align-items: center; gap: 8px; height: 44px; padding-inline: 14px; border: 0; background: none; color: var(--black); font: inherit; font-size: 16px; text-decoration: none; cursor: pointer; }
.okx-hd-link::after { content: ""; position: absolute; inset-inline: 14px; bottom: 6px; height: 3px; background: var(--lime); transform: scaleX(0); transform-origin: right center; transition: transform .8s var(--okx-ease); }
.okx-hd-link:hover::after, .okx-hd-link.is-on::after { transform: none; }
.okx-hd-caret { width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .7s var(--okx-ease); }
.okx-hd-link.is-on .okx-hd-caret { transform: translateY(2px) rotate(225deg); }
.okx-hd-end { display: flex; align-items: center; gap: 14px; flex: none; }
.okx-hd-phone { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; text-decoration: none; }
.ok-site a.okx-hd-icon, .okx-hd-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; color: var(--black); box-shadow: inset 0 0 0 1px var(--black); transition: background-color .7s var(--okx-ease), box-shadow .7s; }
.okx-hd-icon:hover { background: var(--lime); box-shadow: none; }
.ok-site a.okx-hd-cta { height: 44px; padding-inline: 22px; font-size: 15px; }
.okx-hd-burger { display: none; position: relative; width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--black); cursor: pointer; flex: none; }
.okx-hd-burger span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--white); transition: transform .8s var(--okx-ease), top .8s var(--okx-ease); }
.okx-hd-burger span:first-child { top: 18px; } .okx-hd-burger span:last-child { top: 25px; }
.okx-hd.is-open .okx-hd-burger span:first-child { top: 21.5px; transform: rotate(45deg); }
.okx-hd.is-open .okx-hd-burger span:last-child { top: 21.5px; transform: rotate(-45deg); }

/* mega menus */
.okx-mega { position: absolute; inset-inline: 0; top: 100%; background: var(--white); box-shadow: 0 1px 0 var(--line), inset 0 1px 0 var(--line); opacity: 0; visibility: hidden; transform: translateY(-8px); pointer-events: none; transition: opacity .7s var(--okx-ease), transform .9s var(--okx-ease), visibility 0s linear .9s; }
.okx-mega.is-on { opacity: 1; visibility: visible; transform: none; pointer-events: auto; transition-delay: 0s; }
.okx-mega-in { padding-block: 40px 48px; }
.okx-mega-col, .okx-mega-card { opacity: 0; transform: translateY(10px); transition: opacity .9s var(--okx-ease), transform 1.1s var(--okx-ease); transition-delay: calc(var(--i, 0) * 80ms); }
.okx-mega.is-on .okx-mega-col, .okx-mega.is-on .okx-mega-card { opacity: 1; transform: none; }
.okx-mega-svc { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(0, 1.25fr); gap: 32px; }
.okx-mega-h { display: flex; align-items: baseline; gap: 10px; margin: 0 0 18px; font-size: 18px; }
.okx-mega-h span { font-size: 12px; color: var(--ink-muted); }
.okx-mega-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.ok-site a.okx-mega-link { font-size: 15px; color: var(--ink-muted); text-decoration: none; transition: color .5s; }
.ok-site a.okx-mega-link:hover { color: var(--black); }
.okx-mega-promo { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding: 28px; background: var(--black); color: var(--white); }
.okx-mega-promo-t { margin: 0; font-family: var(--font-display); font-size: 24px; line-height: 1.2; }
.okx-mega-promo-p { margin: 0 0 8px; font-size: 15px; line-height: 1.6; color: var(--gray-200); }
.okx-mega-prj { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)) auto; gap: 24px; align-items: start; }
.ok-site a.okx-mega-card { display: flex; flex-direction: column; gap: 8px; color: var(--black); text-decoration: none; }
.okx-mega-img { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--green); }
.okx-mega-img img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s var(--okx-soft); }
.okx-mega-card:hover .okx-mega-img img { transform: scale(1.05); }
.okx-mega-name { font-size: 17px; }
.okx-mega-tags { font-size: 13px; color: var(--ink-muted); }
.ok-site a.okx-mega-all { align-self: center; display: inline-flex; align-items: center; gap: 8px; font-size: 15px; color: var(--black); text-decoration: none; white-space: nowrap; }

/* mobile menu */
.okx-mm { position: fixed; inset: 0; z-index: -1; padding-top: 84px; background: var(--white); overflow-y: auto; opacity: 0; visibility: hidden; transition: opacity .8s var(--okx-ease), visibility 0s linear .8s; }
.okx-mm.is-on { opacity: 1; visibility: visible; transition-delay: 0s; }
.okx-mm-in { display: flex; flex-direction: column; gap: 40px; padding-block: 24px 48px; }
.okx-mm-nav { display: flex; flex-direction: column; }
.okx-mm-nav a { display: flex; align-items: baseline; gap: 14px; padding-block: 14px; font-family: var(--font-display); font-size: 34px; line-height: 1.15; text-decoration: none; box-shadow: inset 0 -1px 0 var(--line); opacity: 0; transform: translateY(14px); transition: opacity .9s var(--okx-ease), transform 1.1s var(--okx-ease); }
.okx-mm.is-on .okx-mm-nav a { opacity: 1; transform: none; }
.okx-mm-n { font-family: var(--font-text); font-size: 12px; color: var(--ink-muted); }
.okx-mm-foot a { text-decoration: none; }
.okx-mm-foot { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; font-size: 17px; }

/* showcase */
.okx-hero { padding-top: clamp(32px, 4vw, 64px); }
.okx-hero-head { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 96px); align-items: end; padding-bottom: clamp(32px, 4vw, 56px); }
.okx-hero-head > * { opacity: 0; transform: translateY(24px); transition: opacity 1.6s var(--okx-ease), transform 1.9s var(--okx-ease); }
.okx-hero-head > :nth-child(2) { transition-delay: .3s; }
.okx-hero.is-in .okx-hero-head > * { opacity: 1; transform: none; }
.okx-hero-title .okx-display { max-width: 14ch; }
.okx-hero-side .okx-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.okx-hero-stage { position: relative; height: clamp(420px, 44vw, 660px); overflow: hidden; background: var(--green); clip-path: inset(6% 3% 0 3%); transition: clip-path 2.4s var(--okx-ease) .2s; }
.okx-hero.is-in .okx-hero-stage { clip-path: inset(0); }
.okx-hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.06); transition: opacity 2.4s var(--okx-ease), transform 10s cubic-bezier(.25,.1,.25,1); }
.okx-hero-img.is-on { opacity: 1; transform: scale(1); }
.okx-hero-over { position: absolute; inset: 0; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding-bottom: clamp(24px, 3vw, 44px); pointer-events: none; }
.okx-hero-plates { display: flex; flex-direction: column; align-items: flex-start; animation: okx-in 1.6s var(--okx-ease) .4s both; }
.okx-hero-feat { margin-bottom: 10px; padding: 6px 12px; border-radius: var(--radius-pill); background: var(--black); color: var(--white); font-size: 13px; }
.okx-plate { display: inline-flex; align-items: center; white-space: nowrap; box-sizing: border-box; }
.okx-plate-name { height: 1.4em; padding-inline: .36em; background: var(--white); color: var(--black); font-family: var(--font-display); font-size: clamp(28px, 3.4vw, 52px); }
.okx-plate-tags { height: 40px; padding-inline: 18px; border-radius: var(--radius-pill); background: var(--lime); color: var(--black); font-size: 15px; }
.ok-site a.okx-hero-view { pointer-events: auto; flex: none; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 132px; height: 132px; border-radius: 50%; background: var(--white); color: var(--black); font-size: 15px; text-align: center; text-decoration: none; transition: background-color .8s var(--okx-ease), transform 1.2s var(--okx-ease); }
.okx-hero-view:hover { background: var(--lime); transform: scale(1.04); }
.okx-hero-index { list-style: none; margin: 0; padding: 20px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 20px; }
.okx-hero-dot { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; width: 100%; padding: 0; border: 0; background: none; color: var(--ink-muted); font: inherit; text-align: start; cursor: pointer; transition: color .7s var(--okx-ease); }
.okx-hero-dot:hover, .okx-hero-dot.is-on { color: var(--black); }
.okx-hero-bar { grid-column: 1 / -1; order: -1; position: relative; height: 2px; margin-bottom: 12px; overflow: hidden; background: var(--line); }
.okx-hero-bar i { position: absolute; inset: 0; background: var(--black); transform-origin: right center; animation: okx-bar 8s linear both; }
.okx-hero.is-still .okx-hero-bar i { animation: none; }
.okx-hero-n { font-size: 12px; padding-top: 3px; }
.okx-hero-nm { font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* intro */
.okx-intro-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 3fr); gap: 40px; }
.okx-statement { margin: 0 0 clamp(40px, 5vw, 72px); max-width: 26ch; font-family: var(--font-display); font-size: clamp(30px, 3.6vw, 56px); line-height: 1.3; }
.okx-intro-row { display: grid; grid-template-columns: minmax(0, 1.2fr) auto auto; gap: clamp(32px, 4vw, 64px); align-items: end; transition-delay: .3s; }
.okx-stats { display: flex; gap: 48px; }
.okx-stat { display: flex; flex-direction: column; gap: 6px; }
.okx-stat-v { font-family: var(--font-display); font-size: clamp(44px, 4.4vw, 68px); line-height: 1; }
.okx-stat-l { font-size: 14px; color: var(--ink-muted); }

/* featured strip */
.okx-feat-ctl { display: flex; align-items: center; gap: 16px; width: 100%; }
.okx-feat-prog { position: relative; flex: 1; height: 1px; background: var(--line); }
.okx-feat-prog i { position: absolute; inset: 0; background: var(--black); transform-origin: right center; transition: transform .8s var(--okx-ease); }
.okx-feat-track { display: flex; gap: 32px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-inline: max(var(--okx-pad), calc((100% - 1440px) / 2 + var(--okx-pad))); scroll-padding-inline: max(var(--okx-pad), calc((100% - 1440px) / 2 + var(--okx-pad))); }
.okx-feat-track::-webkit-scrollbar { display: none; }
.ok-site a.okx-fc { flex: none; display: flex; flex-direction: column; gap: 18px; width: clamp(280px, 32vw, 500px); color: var(--black); text-decoration: none; scroll-snap-align: start; }
.okx-fc-img { display: block; aspect-ratio: 4 / 5; overflow: hidden; background: var(--green); }
.okx-fc-img img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 1.8s var(--okx-soft); }
.okx-fc:hover .okx-fc-img img { transform: scale(1.05); }
.okx-shape-l { border-top-left-radius: clamp(90px, 11vw, 190px); }
.okx-shape-r { border-top-right-radius: clamp(90px, 11vw, 190px); }
.okx-fc-meta { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 14px; }
.okx-fc-n { grid-row: span 2; padding-top: 6px; font-size: 13px; color: var(--ink-muted); }
.okx-fc-name { font-size: 26px; line-height: 1.2; }
.okx-fc-tags { font-size: 14px; color: var(--ink-muted); }

/* all projects */
.okx-prj-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: clamp(36px, 4vw, 56px); padding-bottom: 24px; box-shadow: inset 0 -1px 0 var(--line); }
.okx-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.okx-filter { display: inline-flex; align-items: center; height: 44px; padding-inline: 20px; border: 0; border-radius: var(--radius-pill); background: transparent; color: var(--black); box-shadow: inset 0 0 0 1px var(--line); font: inherit; font-size: 15px; cursor: pointer; transition: background-color .7s var(--okx-ease), color .7s var(--okx-ease), box-shadow .7s var(--okx-ease); }
.okx-filter:hover { box-shadow: inset 0 0 0 1px var(--black); }
.okx-filter.is-on { background: var(--black); color: var(--white); box-shadow: none; }
.okx-filter sup { margin-inline-start: 4px; font-size: 11px; color: var(--ink-muted); transition: color .7s; }
.okx-filter.is-on sup { color: var(--lime); }
.okx-views { display: inline-flex; padding: 4px; border-radius: var(--radius-pill); box-shadow: inset 0 0 0 1px var(--line); }
.okx-view { display: inline-flex; align-items: center; gap: 8px; height: 36px; padding-inline: 14px; border: 0; border-radius: var(--radius-pill); background: transparent; color: var(--black); font: inherit; font-size: 14px; cursor: pointer; transition: background-color .7s var(--okx-ease), color .7s var(--okx-ease); }
.okx-view.is-on { background: var(--black); color: var(--white); }
.okx-view-grid { display: grid; grid-template-columns: repeat(2, 5px); gap: 2px; }
.okx-view-grid i { width: 5px; height: 5px; background: currentColor; }
.okx-view-list { display: flex; flex-direction: column; gap: 2px; }
.okx-view-list i { width: 12px; height: 2px; background: currentColor; }

.okx-pgrid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(48px, 5vw, 80px) clamp(20px, 2.4vw, 40px); align-items: start; }
.ok-site a.okx-pc { display: flex; flex-direction: column; color: var(--black); text-decoration: none; }
.okx-prj:not(.is-in) .okx-pc, .okx-prj:not(.is-in) .okx-prow { opacity: 0; }
.okx-prj.is-in .okx-pc, .okx-prj.is-in .okx-prow { animation: okx-in 1.5s var(--okx-ease) both; animation-delay: calc(var(--i, 0) * 110ms); }
.okx-pc-7 { grid-column: span 7; } .okx-pc-5 { grid-column: span 5; } .okx-pc-6 { grid-column: span 6; }
.okx-pc:nth-child(2n) { margin-top: clamp(0px, 9vw, 150px); }
.okx-pc-img { position: relative; display: block; overflow: hidden; background: var(--green); }
.okx-pc-7 .okx-pc-img { aspect-ratio: 4 / 3; } .okx-pc-5 .okx-pc-img { aspect-ratio: 4 / 5; } .okx-pc-6 .okx-pc-img { aspect-ratio: 5 / 4; }
.okx-pc-img img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 1.8s var(--okx-soft); }
.okx-pc:hover .okx-pc-img img { transform: scale(1.05); }
.okx-pc-ph { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; color: var(--white); font-family: var(--font-display); font-size: clamp(28px, 3vw, 44px); }
.okx-pc-open { position: absolute; bottom: 20px; inset-inline-start: 20px; display: inline-flex; align-items: center; gap: 8px; height: 44px; padding-inline: 18px; border-radius: var(--radius-pill); background: var(--white); color: var(--black); font-family: var(--font-text); font-size: 14px; opacity: 0; transform: translateY(12px); transition: opacity .9s var(--okx-ease), transform 1.1s var(--okx-ease); }
.okx-pc:hover .okx-pc-open, .okx-pc:focus-visible .okx-pc-open { opacity: 1; transform: none; }
.okx-pc-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding-top: 18px; }
.okx-pc-name { font-size: clamp(20px, 1.8vw, 26px); line-height: 1.25; }
.okx-pc-place { color: var(--ink-muted); }
.okx-pc-tags { font-size: 14px; color: var(--ink-muted); text-align: end; }

.okx-plist { position: relative; }
.okx-plist ol { list-style: none; margin: 0; padding: 0; }
.ok-site .okx-prow a { display: grid; grid-template-columns: 56px minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, .8fr) 44px; align-items: center; gap: 24px; padding-block: 26px; color: var(--black); text-decoration: none; box-shadow: inset 0 -1px 0 var(--line); transition: color .8s var(--okx-ease); }
.okx-prow:first-child a { box-shadow: inset 0 1px 0 var(--line), inset 0 -1px 0 var(--line); }
.ok-site .okx-plist:hover .okx-prow a { color: var(--ink-muted); }
.ok-site .okx-plist .okx-prow a:hover { color: var(--black); }
.okx-prow-n { font-size: 13px; }
.okx-prow-name { font-family: var(--font-display); font-size: clamp(28px, 3.2vw, 52px); line-height: 1.1; transition: transform 1.1s var(--okx-ease); }
.okx-prow a:hover .okx-prow-name { transform: translateX(-14px); }
.okx-prow-place { margin-inline-start: 12px; font-family: var(--font-text); font-size: 15px; }
.okx-prow-tags, .okx-prow-dom { font-size: 14px; }
.okx-prow-go { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; box-shadow: inset 0 0 0 1px currentColor; transition: background-color .7s var(--okx-ease), color .7s var(--okx-ease); }
.okx-prow a:hover .okx-prow-go { background: var(--lime); color: var(--black); box-shadow: none; }
.okx-prev { position: absolute; top: 0; left: 0; z-index: 3; width: 340px; height: 240px; overflow: hidden; border-top-left-radius: 120px; pointer-events: none; opacity: 0; transition: opacity .7s var(--okx-ease), transform 1s var(--okx-soft); }
.okx-prev.is-on { opacity: 1; }
.okx-prev img { display: block; width: 100%; height: 100%; object-fit: cover; animation: okx-fade .8s var(--okx-ease) both; }
.okx-more { display: flex; justify-content: center; margin-top: clamp(48px, 6vw, 88px); }

/* services */
.okx-acc-list { box-shadow: inset 0 1px 0 var(--line); }
.okx-acc { box-shadow: inset 0 -1px 0 var(--line); }
.okx-acc-h { margin: 0; font-weight: 400; }
.okx-acc-h button { display: grid; grid-template-columns: 56px minmax(0, 1fr) minmax(0, 1.2fr) 44px; align-items: center; gap: 24px; width: 100%; padding-block: 30px; border: 0; background: none; color: inherit; font: inherit; text-align: start; cursor: pointer; }
.okx-acc-n { font-size: 13px; color: var(--ink-muted); }
.okx-acc-t { font-family: var(--font-display); font-size: clamp(26px, 2.8vw, 40px); line-height: 1.15; transition: transform 1.1s var(--okx-ease); }
.okx-acc-h button:hover .okx-acc-t { transform: translateX(-10px); }
.okx-acc-sub { font-size: 15px; line-height: 1.6; color: var(--ink-muted); }
.okx-acc-sign { position: relative; display: inline-block; width: 44px; height: 44px; flex: none; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--black); transition: background-color .7s var(--okx-ease), box-shadow .7s; }
.okx-acc-sign i { position: absolute; left: 50%; top: 50%; width: 14px; height: 1.5px; background: currentColor; transform: translate(-50%, -50%); transition: transform 1s var(--okx-ease); }
.okx-acc-sign i:last-child { transform: translate(-50%, -50%) rotate(90deg); }
.is-open > h3 .okx-acc-sign i:last-child, .is-open .okx-acc-h .okx-acc-sign i:last-child { transform: translate(-50%, -50%) rotate(0deg); }
.okx-acc-h button:hover .okx-acc-sign, .okx-q button:hover .okx-acc-sign { background: var(--lime); box-shadow: none; }
.okx-acc-body, .okx-q-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 1.1s var(--okx-ease); }
.okx-acc.is-open .okx-acc-body, .okx-q.is-open .okx-q-a { grid-template-rows: 1fr; }
.okx-acc-body > div, .okx-q-a > div { overflow: hidden; }
.okx-acc-items { list-style: none; margin: 0; padding: 0 80px 44px 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.okx-acc-items li { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.okx-acc-ico { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--lime); color: var(--black); }
.okx-acc-items strong { font-weight: 400; font-size: 19px; line-height: 1.35; }
.okx-acc-items li > span:last-child { font-size: 15px; line-height: 1.65; color: var(--ink-muted); }
.okx-new { display: inline-block; margin-inline-start: 8px; padding: 1px 9px; border-radius: var(--radius-pill); background: var(--black); color: var(--lime); font-size: 12px; vertical-align: middle; }

/* brands */
.okx-brand-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.ok-site a.okx-brand { position: relative; display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 3; padding: 12%; overflow: hidden; background: var(--white); color: var(--black); box-shadow: inset 0 0 0 1px var(--line); text-decoration: none; box-sizing: border-box; transition: box-shadow .8s var(--okx-ease); }
.okx-brand img { display: block; max-width: 100%; max-height: 100%; object-fit: contain; mix-blend-mode: multiply; transition: transform 1.6s var(--okx-soft); }
.okx-brand:hover { box-shadow: inset 0 0 0 1px var(--black); }
.okx-brand:hover img { transform: scale(1.06); }
.ok-site a.okx-brand-cta { flex-direction: column; align-items: flex-start; justify-content: space-between; padding: 28px; background: var(--lime); box-shadow: none; }
.okx-brand-cta-t { font-family: var(--font-display); font-size: clamp(22px, 2vw, 30px); line-height: 1.25; }
.okx-brand-cap { position: absolute; bottom: 12px; inset-inline-start: 16px; font-size: 13px; opacity: 0; transform: translateY(6px); transition: opacity .8s var(--okx-ease), transform 1s var(--okx-ease); }
.okx-brand:hover .okx-brand-cap { opacity: 1; transform: none; }

/* process */
.okx-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 32px; }
.okx-step { opacity: 0; transform: translateY(20px); transition: opacity 1.4s var(--okx-ease), transform 1.6s var(--okx-ease); }
.okx-step.is-lit { opacity: 1; transform: none; }
.okx-step-line { display: flex; align-items: center; height: 24px; margin-bottom: 24px; }
.okx-step-line::after { content: ""; flex: 1; height: 1px; margin-inline-start: 12px; background: var(--line); }
.okx-step-mod { --mh: 14px; box-shadow: inset 0 0 0 1.5px var(--black); transition: background-color 1.2s var(--okx-ease), box-shadow 1.2s; }
.okx-step.is-lit .okx-step-mod { background: var(--lime); box-shadow: none; }
.okx-step-n { font-size: 13px; color: var(--ink-muted); }
.okx-step h3 { margin: 10px 0 10px; font-size: 22px; font-weight: 400; line-height: 1.3; }
.okx-step p { margin: 0; font-size: 15px; line-height: 1.65; color: var(--ink-muted); }

/* contact */
.okx-contact { background: var(--green); color: var(--white); }
.okx-contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 120px); align-items: start; }
.okx-contact .okx-h2 { margin-bottom: 24px; }
.okx-contact .okx-body { color: var(--white); max-width: 36em; }
.okx-contact-list { list-style: none; margin: 40px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; font-size: 17px; }
.okx-contact-list li { display: flex; align-items: center; gap: 12px; }
.okx-contact-list .ok-icon { color: var(--lime); }
.okx-contact-list a { text-decoration: none; background: linear-gradient(var(--lime), var(--lime)) no-repeat 100% 100% / 0 1px; transition: background-size .9s var(--okx-ease); }
.okx-contact-list a:hover { background-size: 100% 1px; }
.okx-form { display: flex; flex-direction: column; gap: 26px; }
.okx-form fieldset { margin: 0; padding: 0; border: 0; }
.okx-form legend { margin-bottom: 14px; padding: 0; font-size: 14px; }
.okx-form-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.okx-opt { position: relative; display: inline-flex; align-items: center; height: 44px; padding-inline: 18px; border-radius: var(--radius-pill); box-shadow: inset 0 0 0 1px var(--white); font-size: 15px; cursor: pointer; transition: background-color .7s var(--okx-ease), color .7s var(--okx-ease), box-shadow .7s; }
.okx-opt input { position: absolute; opacity: 0; pointer-events: none; }
.okx-opt:hover { box-shadow: inset 0 0 0 1px var(--lime); }
.okx-opt.is-on { background: var(--lime); color: var(--black); box-shadow: none; }
.okx-opt:focus-within { outline: 2px solid var(--lime); outline-offset: 2px; }
.okx-field { position: relative; display: block; padding-top: 18px; }
.okx-field input { display: block; width: 100%; height: 48px; padding: 0; border: 0; border-bottom: 1px solid var(--white); background: transparent; color: var(--white); font: inherit; font-size: 18px; outline: none; transition: border-color .7s var(--okx-ease); }
.okx-field input:focus { border-bottom-color: var(--lime); }
.okx-field span { position: absolute; top: 30px; inset-inline-start: 0; font-size: 17px; pointer-events: none; transition: top .7s var(--okx-ease), font-size .7s var(--okx-ease), color .7s; }
.okx-field input:focus + span, .okx-field input:not(:placeholder-shown) + span { top: 0; font-size: 13px; color: var(--lime); }
.okx-check { position: relative; display: flex; align-items: center; gap: 12px; font-size: 14px; cursor: pointer; }
.okx-check input { position: absolute; opacity: 0; }
.okx-check-box { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; flex: none; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--white); transition: background-color .6s, box-shadow .6s; }
.okx-check-box .ok-icon { opacity: 0; transition: opacity .6s; }
.okx-check input:checked + .okx-check-box { background: var(--lime); color: var(--black); box-shadow: none; }
.okx-check input:checked + .okx-check-box .ok-icon { opacity: 1; }
.okx-check input:focus-visible + .okx-check-box { outline: 2px solid var(--lime); outline-offset: 2px; }
.okx-form-submit { align-self: flex-start; }
.okx-form-done { margin: 0; min-height: 1.5em; color: var(--lime); }

/* faq */
.okx-faq-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: clamp(40px, 6vw, 120px); align-items: start; }
.okx-faq-list { box-shadow: inset 0 1px 0 var(--line); }
.okx-q { box-shadow: inset 0 -1px 0 var(--line); }
.okx-q h3 { margin: 0; font-weight: 400; }
.okx-q button { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; padding-block: 26px; border: 0; background: none; color: inherit; font: inherit; font-size: 20px; line-height: 1.4; text-align: start; cursor: pointer; }
.okx-q.is-open .okx-acc-sign i:last-child { transform: translate(-50%, -50%) rotate(0deg); }
.okx-q-a p { margin: 0 0 28px; max-width: 60ch; font-size: 16px; line-height: 1.7; color: var(--ink-muted); }

/* footer */
.okx-ft { padding-top: clamp(64px, 8vw, 120px); background: var(--black); color: var(--white); }
.okx-ft-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 56px; box-shadow: inset 0 -1px 0 var(--gray-600); }
.okx-ft-cta { margin: 0; font-family: var(--font-display); font-size: clamp(32px, 4vw, 64px); line-height: 1.1; }
.okx-ft-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(4, minmax(0, 1fr)); gap: 40px; padding-block: 56px; }
.okx-ft-brand p { max-width: 36ch; margin: 20px 0 0; font-size: 15px; line-height: 1.7; color: var(--gray-200); }
.okx-ft-col h4 { margin: 0 0 16px; font-size: 14px; font-weight: 400; color: var(--lime); }
.okx-ft-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
.okx-ft-col a { text-decoration: none; background: linear-gradient(var(--lime), var(--lime)) no-repeat 100% 100% / 0 1px; transition: background-size .9s var(--okx-ease); }
.okx-ft-col a:hover { background-size: 100% 1px; }
.okx-ft-col span { color: var(--gray-200); }
.okx-ft-bottom { padding-block: 24px; font-size: 13px; color: var(--gray-200); box-shadow: inset 0 1px 0 var(--gray-600); }
.okx-ft-code { overflow: hidden; line-height: 0; }

/* case page */
.okx-case-head { padding-top: clamp(24px, 3vw, 40px); }
.okx-crumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: clamp(28px, 4vw, 56px); font-size: 14px; color: var(--ink-muted); }
.okx-crumbs a { text-decoration: none; }
.okx-crumbs a:hover { text-decoration: underline; text-underline-offset: 4px; }
.okx-crumbs [aria-current] { color: var(--black); }
.okx-case-top { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 48px; align-items: end; padding-bottom: clamp(32px, 4vw, 56px); }
.okx-case-title { font-size: clamp(48px, 8vw, 128px); line-height: 1; }
.okx-case-meta { margin: 0; display: flex; flex-direction: column; box-shadow: inset 0 1px 0 var(--black); transition-delay: .3s; }
.okx-meta-row { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 16px; padding-block: 14px; font-size: 15px; box-shadow: inset 0 -1px 0 var(--line); }
.okx-meta-row dt { color: var(--ink-muted); }
.okx-meta-row dd { margin: 0; }
.okx-meta-row a { text-decoration: underline; text-underline-offset: 4px; }
.okx-case-hero { height: clamp(360px, 46vw, 720px); overflow: hidden; border-top-left-radius: clamp(120px, 16vw, 280px); background: var(--green); }
.okx-case-hero img { display: block; width: 100%; height: 100%; object-fit: cover; animation: okx-kb 18s cubic-bezier(.45,.05,.55,.95) infinite alternate; }
.okx-case-story { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 120px); padding-top: clamp(72px, 9vw, 140px); }
.okx-case-p { margin: 0; font-size: clamp(20px, 1.8vw, 26px); line-height: 1.55; }
.okx-case-done { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.okx-case-done li { display: flex; align-items: center; gap: 14px; font-size: 18px; }
.okx-case-done .ok-icon { width: 30px; height: 30px; padding: 6px; border-radius: 50%; background: var(--lime); color: var(--black); box-sizing: border-box; }
.okx-case-res { padding-top: clamp(72px, 9vw, 140px); }
.okx-case-nums { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; padding-top: 32px; box-shadow: inset 0 1px 0 var(--black); }
.okx-case-nums > div { display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
.okx-case-v { font-family: var(--font-display); font-size: clamp(48px, 6vw, 96px); line-height: 1; }
.okx-case-works { padding-block: clamp(72px, 9vw, 140px); }
.okx-cw { margin: 0 auto 40px; }
.okx-cw figcaption { margin-top: 14px; font-size: 14px; color: var(--ink-muted); }
.okx-browser { overflow: hidden; background: var(--white); box-shadow: inset 0 0 0 1px var(--line); }
.okx-browser-bar { display: flex; align-items: center; gap: 7px; height: 40px; padding-inline: 16px; background: var(--black); }
.okx-browser-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--white); }
.okx-browser-bar i:first-child { background: var(--lime); }
.okx-browser-bar span { margin-inline-start: 12px; padding: 3px 14px; border-radius: var(--radius-pill); background: var(--white); color: var(--black); font-size: 12px; }
.okx-browser img { display: block; width: 100%; height: auto; max-height: 860px; object-fit: cover; object-position: top center; }
.okx-cw-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; }
.okx-cw-row .okx-cw { margin: 0; width: 100%; }
.okx-cw-box { display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 3; overflow: hidden; background: var(--white); box-shadow: inset 0 0 0 1px var(--line); }
.okx-cw-brand img { max-width: 70%; max-height: 70%; object-fit: contain; mix-blend-mode: multiply; }
.okx-cw-phones { gap: 24px; padding: 32px; background: var(--lime); box-shadow: none; }
.okx-phone { width: 30%; aspect-ratio: 9 / 19; padding: 6px; border-radius: 28px; background: var(--black); overflow: hidden; box-sizing: border-box; }
.okx-phone img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top center; border-radius: 22px; }
.okx-case-visit { display: flex; justify-content: center; margin-top: 48px; }
.ok-site a.okx-case-next { position: relative; display: block; height: clamp(320px, 36vw, 540px); overflow: hidden; background: var(--black); color: var(--black); text-decoration: none; }
.okx-case-next-img { position: absolute; inset: 0; }
.okx-case-next-img img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 2s var(--okx-soft); }
.okx-case-next:hover .okx-case-next-img img { transform: scale(1.04); }
.okx-case-next-in { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; gap: 0; padding-bottom: clamp(32px, 4vw, 56px); }
.okx-case-next-l { margin-bottom: 10px; padding: 6px 14px; border-radius: var(--radius-pill); background: var(--black); color: var(--white); font-size: 14px; }
.okx-case-next-n { display: inline-flex; align-items: center; height: 1.35em; padding-inline: .3em; background: var(--white); font-family: var(--font-display); font-size: clamp(36px, 5vw, 80px); }
.okx-case-next-in .okx-arrow { width: 64px; height: 64px; margin-top: 12px; padding: 18px; border-radius: 50%; background: var(--lime); color: var(--black); box-sizing: border-box; }

/* responsive */
@media (max-width: 1240px) {
  .okx-hd-phone span { display: none; }
  .okx-hd-in { gap: 20px; }
  .okx-hd-link { padding-inline: 10px; font-size: 15px; }
}
@media (max-width: 1080px) {
  .okx-hd-nav, .okx-hd-phone, .okx-mega { display: none; }
  .okx-hd-in { justify-content: space-between; }
  .okx-hd-burger { display: inline-block; }
  .okx-head, .okx-intro-grid, .okx-hero-head, .okx-faq-grid, .okx-case-top { grid-template-columns: 1fr; }
  .okx-intro-row { grid-template-columns: 1fr; align-items: start; }
  .okx-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 48px; }
  .okx-brand-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .okx-brand-cta-li { grid-column: auto !important; }
  .okx-acc-items { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-inline-start: 80px; padding-inline-end: 0; }
  .okx-ft-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .okx-ft-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .okx-contact-grid, .okx-case-story { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .okx-hd-in { height: 64px; gap: 10px; }
  .okx-mm { padding-top: 64px; }
  .okx-hd .ok-logosplit { height: 34px !important; }
  .ok-site a.okx-hd-cta { display: none; }
  .okx-sec { padding-block: 72px; }
  .okx-hero-stage { height: 440px; }
  .okx-hero-over { flex-direction: column; align-items: flex-start; justify-content: flex-end; }
  .okx-plate-name { font-size: 30px; }
  .okx-plate-tags { height: 34px; padding-inline: 14px; font-size: 13px; }
  .ok-site a.okx-hero-view { position: absolute; top: 20px; inset-inline-end: var(--okx-pad); width: 92px; height: 92px; font-size: 12px; }
  .okx-hero-index { display: flex; gap: 16px; overflow-x: auto; scrollbar-width: none; }
  .okx-hero-index li { flex: none; width: 42%; }
  .okx-hero-index::-webkit-scrollbar { display: none; }
  .okx-stats { gap: 32px; }
  .ok-site a.okx-fc { width: 78vw; }
  .okx-feat-track { gap: 16px; }
  .okx-prj-bar { flex-direction: column; align-items: flex-start; }
  .okx-pgrid { grid-template-columns: 1fr; row-gap: 48px; }
  .okx-pc-7, .okx-pc-5, .okx-pc-6 { grid-column: auto; }
  .okx-pc:nth-child(2n) { margin-top: 0; }
  .okx-pc .okx-pc-img { aspect-ratio: 4 / 3; }
  .okx-pc-meta { flex-direction: column; gap: 4px; }
  .okx-pc-tags { text-align: start; }
  .ok-site .okx-prow a { grid-template-columns: 28px minmax(0, 1fr) 40px; gap: 4px 12px; padding-block: 20px; }
  .okx-prow-tags { grid-column: 2; grid-row: 2; }
  .okx-prow-dom { display: none; }
  .okx-prow-go { grid-column: 3; grid-row: 1 / span 2; width: 40px; height: 40px; }
  .okx-prev { display: none; }
  .okx-acc-h button { grid-template-columns: 28px minmax(0, 1fr) 40px; gap: 12px; padding-block: 22px; }
  .okx-acc-sub { display: none; }
  .okx-acc-sign { width: 40px; height: 40px; }
  .okx-acc-items { grid-template-columns: 1fr; padding: 0 0 32px; gap: 24px; }
  .okx-brand-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .okx-brand-cta-li { grid-column: 1 / -1 !important; }
  .ok-site a.okx-brand-cta { aspect-ratio: auto; min-height: 150px; padding: 22px; gap: 18px; }
  .okx-ft-bottom { padding-bottom: 84px; }
  .okx-steps { grid-template-columns: 1fr; row-gap: 36px; }
  .okx-q button { font-size: 18px; padding-block: 22px; }
  .okx-ft-grid { grid-template-columns: 1fr; gap: 32px; padding-block: 40px; }
  .okx-case-nums { grid-template-columns: 1fr; gap: 24px; }
  .okx-cw-row { grid-template-columns: 1fr; }
  .okx-meta-row { grid-template-columns: 100px minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .okx *, .okx *::before, .okx *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .okx-hero-stage { clip-path: none; }
}