.helloSticker{background:#000;justify-content:center;align-items:flex-start;min-height:100vh;padding-top:140px;padding-left:24px;padding-right:24px;display:flex}.helloSticker-wrap{perspective:1200px;margin-top:10px;position:relative}.helloSticker-flip{aspect-ratio:16/9;width:360px;transform-style:preserve-3d;z-index:2;transition:transform .65s cubic-bezier(.2,.8,.2,1);position:relative}@media (min-width:640px){.helloSticker-flip{width:480px}}@media (min-width:768px){.helloSticker-flip{width:640px}}@media (min-width:1024px){.helloSticker-flip{width:760px}}@media (min-width:1280px){.helloSticker-flip{width:880px}}.helloSticker-flip.is-flipped{transform:rotateY(180deg)}.helloSticker-face{z-index:2;backface-visibility:hidden;position:absolute;inset:0}.helloSticker-front{transform:rotateY(0)}.helloSticker-back{transform:rotateY(180deg)}.helloSticker-card{background:#1f4d44;border-radius:26px;padding:clamp(16px,2vw,28px);position:relative}.helloSticker-border{background:#fff;border-radius:18px;padding:12px}.helloSticker-header{text-align:center;background:#1f4d44;border-radius:14px;padding:16px 0}.helloSticker-hello{color:#fff;letter-spacing:.04em;margin:0;font-size:2.25rem;font-weight:800}.helloSticker-sub{color:#fff;letter-spacing:.04em;margin:0;font-size:1.125rem;font-weight:700}.helloSticker-nameBox{text-align:center;background:#f4f1e8;border-radius:14px;margin-top:15px;padding:140px 16px}.helloSticker-name{font-family:var(--font-changa-one),system-ui,sans-serif;color:#000;letter-spacing:.08em;text-shadow:1px 0 #000,-1px 0 #000,0 1px #000,0 -1px #000;margin:0;font-size:clamp(2.5rem,7vw,6.5rem);line-height:.9}.helloSticker-backBox{justify-content:center;align-items:center;display:flex}.helloSticker-backText{color:#111;margin:0;font-size:1.5rem;font-weight:700;line-height:1.6}.helloSticker-flipBtn{transform:-50%;z-index:999;color:#fff;cursor:pointer;background:#1414148c;border:2px solid #ffffff40;border-radius:999px;place-items:center;width:52px;height:52px;font-size:22px;font-weight:800;transition:transform .2s,opacity .2s;display:grid;position:absolute;top:50%;right:-60px}.helloSticker-flipBtn:hover{opacity:.55;transform:translateY(-4%)scale(1.05)}