.what {
  --what-stop: #ff5a1f;
  --what-dim: rgba(239, 235, 227, .78);
  position: relative; z-index: 1; isolation: isolate; overflow: clip; color: var(--bone); background: var(--floor);
  scroll-snap-align: none;   
}
.what::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, .05) 0 18%, transparent 34%),
    radial-gradient(60% 55% at 14% -6%, rgba(255, 255, 255, .16), transparent 70%),
    linear-gradient(180deg, #2331e0 0%, var(--blue) 46%, var(--deep) 78%, var(--floor) 100%); }
.what-in { box-sizing: border-box; min-height: 100svh; display: flex; flex-direction: column; justify-content: center;
  padding: clamp(96px, 12svh, 128px) var(--m) clamp(48px, 7svh, 80px); }
.what-title { font: 400 var(--h2)/.95 var(--display); letter-spacing: -.015em; margin: 0 0 clamp(28px, 4.5svh, 52px); }
.what-title .w { display: inline-block; }

.what-board { display: grid; grid-template-columns: minmax(0, 50%) minmax(0, 1fr); gap: clamp(32px, 3.5vw, 64px); align-items: center; }
.what-list { list-style: none; margin: 0; padding: 0; }
.what-list a { position: relative; display: grid; grid-template-columns: 22px 1fr auto; align-items: center; column-gap: 14px;
  padding: clamp(9px, 1.4svh, 14px) 0; color: var(--what-dim); text-decoration: none; border-bottom: 1px solid rgba(239, 235, 227, .18);
  transition: color .25s ease; }
.what-list li:first-child a { border-top: 1px solid rgba(239, 235, 227, .18); }
.what-dot { width: 12px; height: 12px; border-radius: 2px; background: var(--what-stop); transform: rotate(45deg) scale(0); transition: transform .35s var(--pop); }
.what-name { font: 400 clamp(26px, 2.5vw, 40px)/1.05 var(--display); letter-spacing: -.005em; transition: transform .45s var(--heavy); }
.what-line { grid-column: 2; font: 400 17px/1.4 var(--body); margin-top: 4px; opacity: .85; }
.what-go { grid-row: 1 / span 2; grid-column: 3; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  box-shadow: inset 0 0 0 1.5px rgba(239, 235, 227, .45); transition: background-color .25s, color .25s, box-shadow .25s, transform .45s var(--heavy); }
.what-go svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; }
.what-list a.on, .what-list a:hover, .what-list a:focus-visible { color: var(--bone); }
.what-list a.on .what-dot { transform: rotate(45deg) scale(1); }
.what-list a:hover .what-name, .what-list a:focus-visible .what-name { transform: translateX(6px); }
.what-list a:hover .what-go, .what-list a:focus-visible .what-go { background: var(--bone); color: var(--blue); box-shadow: none; transform: translateX(4px); }
.what-list a:focus-visible { outline: 3px solid var(--bone); outline-offset: 4px; border-radius: 6px; }


.what-stage { position: relative; aspect-ratio: 16 / 11; container-type: inline-size; }
.ws { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .45s ease, visibility 0s linear .45s; }
.ws.on { opacity: 1; visibility: visible; transition: opacity .45s ease .1s, visibility 0s; }
.ws * { animation-fill-mode: both; animation-timing-function: var(--heavy); }


.wb { position: absolute; left: var(--x); top: var(--y); width: var(--w); background: #fff; border-radius: 1.3cqw; overflow: hidden;
  box-shadow: 0 2.4cqw 5cqw -2cqw rgba(7, 10, 58, .6), 0 .6cqw 1.4cqw -.6cqw rgba(7, 10, 58, .35); }
.wb-bar { display: flex; align-items: center; gap: .7cqw; height: 3.8cqw; padding: 0 1.4cqw; background: #F4F1EA; color: #55524c; }
.wb-bar > i { width: .9cqw; height: .9cqw; border-radius: 50%; background: #d6d0c4; }
.wb-url { margin-left: 1.4cqw; flex: 1; max-width: 46%; height: 2.3cqw; display: flex; align-items: center; padding: 0 1.2cqw; border-radius: 99px;
  background: #fff; font: 400 1.25cqw/1 var(--body); white-space: nowrap; overflow: hidden; }
.wb-live { margin-left: auto; display: inline-flex; align-items: center; gap: .6cqw; height: 2.3cqw; padding: 0 1.1cqw; border-radius: 99px;
  background: var(--ink); color: var(--bone); font: 500 1.2cqw/1 var(--body); }
.wb-live i { width: .8cqw; height: .8cqw; border-radius: 50%; background: var(--what-stop); }
.wb-scr { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: #FBF8EF; }
.wb-scr > img, .wb-scr > svg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; }


.w-wf { fill: none; stroke: #b9b2a5; stroke-width: 3; vector-effect: non-scaling-stroke; }
.w-wf rect, .w-wf line { stroke-dasharray: 1 0; }
.ws-design .w-real { clip-path: inset(0 0 0 0); }
.w-brush { position: absolute; inset: 0; pointer-events: none; opacity: 0; }
.w-brush::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: .35cqw; margin-left: -.175cqw; background: var(--blue);
  box-shadow: 0 0 2cqw .4cqw rgba(31, 43, 214, .45); }
.w-sel { fill: none; stroke: var(--blue); stroke-width: 4; opacity: 0; }
.w-sel .w-h { fill: #fff; stroke-width: 3; }
.wb-scr > .w-cur { position: absolute; inset: auto; left: 63%; top: 31%; width: 3.2cqw; height: 3.2cqw; fill: var(--ink); stroke: #fff; stroke-width: 1.4; opacity: 0;
  filter: drop-shadow(0 .3cqw .5cqw rgba(0, 0, 0, .3)); }
.w-chip { position: absolute; left: 0; bottom: 2%; display: flex; align-items: center; gap: .8cqw; padding: 1cqw 1.6cqw 1cqw 1.1cqw; border-radius: 99px;
  background: #fff; box-shadow: 0 1.4cqw 3cqw -1.2cqw rgba(7, 10, 58, .6); font: 500 1.4cqw/1 var(--body); color: var(--ink); }
.w-chip i { width: 2.6cqw; height: 2.6cqw; border-radius: 50%; background: var(--c); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .12); }
.w-chip i + i { margin-left: -1.5cqw; }
.w-chip span { margin-left: .4cqw; }
.ws-design.on .w-wf rect, .ws-design.on .w-wf line { stroke-dasharray: 1; animation: what-draw .7s calc(.15s + var(--k, 0) * 70ms) both; }
.ws-design.on .w-cur { animation: what-cur 4.6s .4s both; }
.ws-design.on .w-sel { animation: what-sel 4.6s .4s both; }
.ws-design.on .w-real { animation: what-paint 1.5s 2.3s both; }
.ws-design.on .w-brush { animation: what-brush 1.5s 2.3s both; }
.ws-design.on .w-chip { animation: what-pop .6s 3.7s both var(--pop); }
@keyframes what-draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes what-cur { 0% { opacity: 0; transform: translate(9cqw, 22cqw); } 8% { opacity: 1; } 30% { transform: none; } 34% { transform: scale(.85); } 38% { transform: none; }
  80% { opacity: 1; transform: none; } 100% { opacity: 0; transform: translate(3cqw, 4cqw); } }
@keyframes what-sel { 0%, 33% { opacity: 0; } 37%, 82% { opacity: 1; } 100% { opacity: 0; } }
@keyframes what-paint { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes what-brush { 0% { opacity: 1; transform: translateX(0); } 92% { opacity: 1; } 100% { opacity: 0; transform: translateX(100%); } }
@keyframes what-pop { from { opacity: 0; transform: translateY(1.5cqw) scale(.9); } to { opacity: 1; transform: none; } }


.ws-develop .wb-scr { background: #F1F0ED; }
.w-ed { position: absolute; left: var(--x); top: var(--y); width: var(--w); border-radius: 1.3cqw; overflow: hidden; background: #15171f; color: #e8e4dc;
  box-shadow: 0 2.6cqw 5cqw -2cqw rgba(7, 10, 58, .75); }
.w-ed-bar { display: flex; align-items: center; gap: .7cqw; height: 3.4cqw; padding: 0 1.4cqw; background: #1d2029; }
.w-ed-bar i { width: .9cqw; height: .9cqw; border-radius: 50%; background: #3a3e4b; }
.w-ed-bar span { margin-left: 1.2cqw; font: 500 1.2cqw/1 var(--body); color: #a9a6b8; }
.w-ed code { display: block; padding: 1.6cqw 1.8cqw 2cqw 1cqw; font: 400 1.55cqw/1.75 ui-monospace, "SF Mono", Menlo, Consolas, monospace; white-space: pre; }
.w-ln { display: block; }
.w-ln s { display: inline-block; width: 2.6cqw; margin-right: 1cqw; text-align: right; text-decoration: none; color: #555a6b; }
.w-ln b { font-weight: 400; color: #ff9a6b; }
.w-ln em { font-style: normal; color: #9fa8ff; }
.w-ln u { text-decoration: none; color: #e9d8a6; }
.w-caret { display: inline-block; width: .9cqw; height: 2cqw; margin-left: 3.6cqw; vertical-align: -.3cqw; background: var(--what-stop); animation: what-blink 1s steps(1) infinite; }
.ws-develop.on .w-ln { animation: what-type .38s calc(.35s + var(--n) * .34s) both steps(10, end); }
.ws-develop.on .w-real { animation: what-build 3.1s .5s both steps(9, end); }
.ws-develop.on .w-caret { animation: what-blink 1s 3.6s steps(1) infinite, what-late .01s 3.5s both; }
.ws-develop.on .wb-live { animation: what-pop .5s 3.8s both var(--pop); }
@keyframes what-type { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes what-build { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes what-blink { 50% { opacity: 0; } }
@keyframes what-late { from { visibility: hidden; } }


.w-aft { clip-path: inset(0 0 0 50%); }
.w-wipe { position: absolute; inset: 0; transform: translateX(50%); pointer-events: none; }
.w-wipe::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: .3cqw; margin-left: -.15cqw; background: #fff; box-shadow: 0 0 1.4cqw rgba(0, 0, 0, .35); }
.w-wipe i { position: absolute; left: 0; top: 50%; width: 4.4cqw; height: 4.4cqw; margin: -2.2cqw 0 0 -2.2cqw; border-radius: 50%; background: #fff; color: var(--ink);
  display: grid; place-items: center; box-shadow: 0 .6cqw 1.6cqw rgba(0, 0, 0, .3); }
.w-wipe svg { width: 2.4cqw; height: 2.4cqw; fill: none; stroke: currentColor; stroke-width: 2.2; }
.w-tag { position: absolute; top: 2.2cqw; padding: .8cqw 1.3cqw; border-radius: 99px; font: 500 1.3cqw/1 var(--body); background: rgba(17, 17, 17, .72); color: #fff; }
.w-tag-b { left: 2.2cqw; }
.w-tag-a { right: 2.2cqw; background: var(--bone); color: var(--ink); }
.ws-revamp.on .w-aft { animation: what-after 3.4s .7s both; }
.ws-revamp.on .w-wipe { animation: what-wipe 3.4s .7s both; }
.ws-revamp.on .w-tag-a { animation: what-pop .5s 1.6s both var(--pop); }
@keyframes what-after { 0% { clip-path: inset(0 0 0 100%); } 55% { clip-path: inset(0 0 0 0); } 100% { clip-path: inset(0 0 0 50%); } }
@keyframes what-wipe { 0% { transform: translateX(100%); } 55% { transform: translateX(0); } 100% { transform: translateX(50%); } }


.w-bd { position: absolute; left: 3%; top: 5%; width: 60%; height: 90%; border-radius: 1.6cqw; background: #FBF8EF; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2.4cqw; box-shadow: 0 2.4cqw 5cqw -2cqw rgba(7, 10, 58, .6); }
.w-bd-mark { width: 30%; overflow: visible; fill: #FF914D; }
.w-bd-mark path { transform-box: fill-box; transform-origin: center; }
.w-bd-word { width: 66%; fill: #0F2021; overflow: visible; }
.w-bd-sw { display: flex; gap: 1.2cqw; }
.w-bd-sw span { display: inline-flex; align-items: center; gap: .7cqw; font: 500 1.25cqw/1 var(--body); color: #0F2021; }
.w-bd-sw i { width: 2.6cqw; height: 2.6cqw; border-radius: 50%; background: var(--c); box-shadow: inset 0 0 0 1px rgba(15, 32, 33, .18); }
.w-ph { position: absolute; height: auto; border-radius: 1.3cqw; object-fit: cover; box-shadow: 0 2.4cqw 5cqw -2cqw rgba(7, 10, 58, .7); }
.w-ph-cup { right: 3%; top: 12%; width: 33%; aspect-ratio: 4 / 5; transform: rotate(3deg); }
.ws-brand.on .w-bd-mark path { animation: what-peb .55s calc(.2s + var(--k) * 70ms) both var(--pop); }
.ws-brand.on .w-bd-word path { animation: what-letter .6s calc(1.2s + var(--k) * 45ms) both; }
.ws-brand.on .w-bd-sw span { animation: what-pop .5s calc(2.1s + var(--k) * 120ms) both var(--pop); }
.ws-brand.on .w-ph-cup { animation: what-card-r .9s 2.6s both; }
.ws-brand.on @keyframes what-peb { from { opacity: 0; transform: scale(0) rotate(-90deg); } to { opacity: 1; transform: none; } }
@keyframes what-letter { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
@keyframes what-card-r { from { opacity: 0; transform: translateY(6cqw) rotate(9deg); } to { opacity: 1; transform: rotate(3deg); } }
@keyframes what-card-l { from { opacity: 0; transform: translateY(6cqw) rotate(-11deg); } to { opacity: 1; transform: rotate(-5deg); } }


.w-rt { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; overflow: visible; }
.w-rt-bed { stroke: rgba(239, 235, 227, .22); stroke-width: 3; stroke-dasharray: 2 10; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.w-rt-go { stroke: var(--bone); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 0; }
.w-st { position: absolute; display: flex; align-items: center; gap: 1.4cqw; transform: translate(-1.6cqw, -50%); white-space: nowrap; }
.w-st i { flex: none; width: 3.2cqw; height: 3.2cqw; border-radius: 50%; background: var(--deep); box-shadow: inset 0 0 0 .3cqw var(--bone); display: grid; place-items: center; }
.w-st i::after { content: ""; width: 1.3cqw; height: 1.3cqw; border-radius: .2cqw; background: var(--what-stop); transform: rotate(45deg); }
.w-st b { font: 500 1.9cqw/1.1 var(--body); color: var(--bone); padding: .7cqw 1.2cqw; border-radius: 99px; background: rgba(13, 18, 120, .55); }
.w-st:last-of-type b { font: 400 2.4cqw/1 var(--display); background: none; padding-left: 0; }
.w-pho { position: absolute; right: 3%; top: 8%; width: 24%; aspect-ratio: 420 / 909; border-radius: 3.4cqw; overflow: hidden; background: #111;
  box-shadow: inset 0 0 0 .7cqw #111, 0 2.6cqw 5cqw -2cqw rgba(7, 10, 58, .75); }
.w-pho img { position: absolute; inset: .7cqw; width: calc(100% - 1.4cqw); height: calc(100% - 1.4cqw); border-radius: 2.7cqw; object-fit: cover; object-position: top; }
.w-pho .wb-live { position: absolute; left: 50%; bottom: 4%; transform: translateX(-50%); }
.ws-how.on .w-rt-go { animation: what-route 3s .2s both cubic-bezier(.45, 0, .3, 1); }
.ws-how.on .w-st { animation: what-stop .5s calc(.25s + var(--k) * .68s) both var(--pop); }
.ws-how.on .w-st i::after { animation: what-dot .4s calc(.4s + var(--k) * .68s) both var(--pop); }
.ws-how.on .w-pho { animation: what-rise 1s 2.9s both; }
.ws-how.on .w-pho .wb-live { animation: what-live .5s 3.7s both var(--pop); }
@keyframes what-route { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes what-stop { from { opacity: 0; transform: translate(-1.6cqw, -50%) scale(.6); } to { opacity: 1; transform: translate(-1.6cqw, -50%); } }
@keyframes what-dot { from { transform: rotate(45deg) scale(0); } to { transform: rotate(45deg) scale(1); } }
@keyframes what-rise { from { opacity: 0; transform: translateY(8cqw) rotate(4deg); } to { opacity: 1; transform: none; } }
@keyframes what-live { from { opacity: 0; transform: translate(-50%, 1cqw) scale(.8); } to { opacity: 1; transform: translateX(-50%); } }


.what-for { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; margin-top: clamp(28px, 4.5svh, 48px); }
.what-for p { font: 500 18px/1 var(--body); margin: 0 8px 0 0; opacity: .85; }
.what-for a { display: inline-flex; align-items: center; height: 46px; padding: 0 20px; border-radius: 999px; color: var(--bone);
  box-shadow: inset 0 0 0 1.5px rgba(239, 235, 227, .5); font: 500 17px/1 var(--body); text-decoration: none; white-space: nowrap;
  transition: background-color .25s, color .25s, box-shadow .25s; }
.what-for a:hover, .what-for a:focus-visible { background: var(--bone); color: var(--blue); box-shadow: none; }
.what-for a.what-all { margin-left: auto; font: 400 18px/1 var(--display); background: var(--bone); color: var(--blue); box-shadow: none; padding: 0 24px; }
.what-for a.what-all i { font-style: normal; margin-left: 10px; transition: transform .45s var(--heavy); }
.what-for a.what-all:hover { background: #fff; }
.what-for a.what-all:hover i { transform: translateX(6px); }


.js .what [data-in] { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .9s var(--heavy); transition-delay: calc(var(--i, 0) * 60ms); }
.js .what.in [data-in] { opacity: 1; transform: none; }


@media (max-width: 1023px) {
  .what-in { min-height: 0; padding-top: 96px; padding-bottom: 72px; }
  .what-board { grid-template-columns: 1fr; }
  .what-stage { display: none; }
  .what-dot { display: none; }
  .what-list a { grid-template-columns: 1fr auto; padding: 16px 0; color: var(--bone); }   
  .what-line { grid-column: 1; }
  .what-go { grid-column: 2; }
  .what-name { font-size: clamp(24px, 6.4vw, 34px); }
  .what-for p { width: 100%; margin-bottom: 4px; }
  .what-for a.what-all { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .js .what [data-in] { opacity: 1; transform: none; transition: none; }
  .what-name, .what-go, .what-dot { transition: none; }
  .what-stage * { animation: none !important; }
}