:root{font-family:Arial,Helvetica,sans-serif;color:#163247;background:#dce7ee;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,a,input{touch-action:manipulation}button,a{font:inherit}button{cursor:pointer;border:1px solid #d1dce3;background:#fff;color:#163247;padding:10px 15px;border-radius:5px}button:hover{background:#eaf4fb}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #1686d4;outline-offset:3px}button.active{background:#163d58;color:#fff;border-color:#163d58}a{text-decoration:none;color:inherit}#app{width:100%;height:100dvh;min-height:620px;position:relative;overflow:hidden}#viewport{position:absolute;inset:0}canvas{display:block;width:100%;height:100%;touch-action:none}header{position:absolute;top:0;left:0;right:0;height:94px;padding:25px 32px;display:flex;align-items:center;justify-content:space-between;background:linear-gradient(#edf4f9ee,#edf4f900);z-index:4;pointer-events:none}header>*{pointer-events:auto}.brand{font-size:29px;letter-spacing:.18em;font-weight:800}.brand span{display:block;font-size:10px;letter-spacing:.2em;margin-top:5px;font-weight:600}.header-right{display:flex;align-items:center;gap:10px}.concept{font-size:12px;letter-spacing:.12em;margin-right:14px}.download{display:inline-flex;gap:18px;align-items:center;border-radius:5px;background:#1176b7;color:white;padding:13px 18px;font-size:14px;font-weight:600}.download:hover{background:#075d95}#explorer{position:absolute;left:32px;top:122px;width:260px;z-index:3;max-height:calc(100dvh - 235px);overflow-y:auto;padding:0 6px 15px 0;scrollbar-width:thin}.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:700;color:#587185}h1{font-size:28px;line-height:1.14;letter-spacing:-.04em;margin:13px 0}.intro{font-size:14px;line-height:1.5;color:#526c7d;margin:0 0 24px}nav{display:grid;gap:4px}nav button{text-align:left;border-color:transparent;background:#f8fbfdad;padding:10px 12px;display:flex;gap:12px;align-items:center;font-size:14px}nav button span{font-size:11px;opacity:.65;min-width:17px}.site-facts{border-top:1px solid #b7c9d5;margin-top:22px;padding-top:16px;display:flex;flex-direction:column;gap:13px}.site-facts strong{font-size:21px;display:block;font-weight:500;letter-spacing:-.03em}.site-facts small{font-size:13px}.site-facts span{display:block;font-size:12px;color:#546e7e;margin-top:4px}#loading{position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);padding:20px 26px;background:white;border-radius:8px;box-shadow:0 12px 50px #1234;z-index:9;font-size:16px}#loading span{display:inline-block;height:12px;width:12px;background:#1686d4;border-radius:50%;margin-right:10px;animation:pulse 1s infinite alternate}@keyframes pulse{to{opacity:.25}}#view-card{position:absolute;bottom:130px;right:32px;width:290px;border-left:2px solid #1686d4;padding:4px 0 4px 18px;pointer-events:none;background:linear-gradient(90deg,#edf4f9dc,#edf4f940);z-index:2}#view-number{font-size:11px;letter-spacing:.1em;color:#447594}h2{font-size:22px;letter-spacing:-.03em;margin:7px 0}#view-description{font-size:14px;line-height:1.55;margin:0;color:#405b70}#compass{position:absolute;right:35px;top:125px;display:flex;flex-direction:column;align-items:center;pointer-events:none;color:#37556c}#compass span{font-size:12px;font-weight:700}#compass b{font-size:34px;font-weight:400;display:block}#compass small{font-size:11px;margin-top:8px}footer{position:absolute;left:32px;right:32px;bottom:37px;display:flex;justify-content:space-between;align-items:center;padding:10px;background:#ffffffec;border:1px solid #dce6ed;border-radius:8px;box-shadow:0 6px 28px #274d6814;z-index:5;gap:10px}.modes{display:flex;gap:4px}.modes button{border:0;font-size:14px}.layers{display:flex;gap:16px;align-items:center;font-size:13px}.layers label{display:flex;align-items:center;gap:5px;cursor:pointer;white-space:nowrap}input{accent-color:#1176b7;width:15px;height:15px}#reset{font-size:13px;border:0}#help{position:absolute;bottom:9px;left:0;right:0;text-align:center;font-size:11px;color:#536f84;margin:0;pointer-events:none}#labels{position:absolute;inset:0;pointer-events:none;z-index:2}.marker{position:absolute;transform:translate(-50%,-100%);border-radius:4px;background:#fff;padding:6px 9px;font-size:12px;box-shadow:0 2px 12px #16324728;border:1px solid #d2e0e8;pointer-events:auto;max-width:165px}.marker:after{content:'';position:absolute;width:5px;height:5px;background:#1686d4;border-radius:50%;bottom:-8px;left:calc(50% - 2px)}#walk-pad{position:absolute;bottom:132px;left:330px;z-index:5;text-align:center}#walk-pad button{font-size:22px;background:#ffffffe6;width:44px;padding:8px;margin:2px}#mobile-menu{display:none}dialog{border:0;border-radius:12px;padding:32px;max-width:650px;width:calc(100% - 32px);max-height:85dvh;color:#163247;box-shadow:0 25px 100px #001b3655}dialog::backdrop{background:#102b4580;backdrop-filter:blur(5px)}.dialog-top{display:flex;align-items:center;justify-content:space-between}.dialog-top button{border:0;font-size:25px;padding:0 8px}dialog h2{font-size:35px;margin:16px 0}dialog p{line-height:1.65;font-size:15px;color:#4f6576}dialog h3{font-size:16px;margin-top:25px}dl{font-size:14px;margin-top:25px}dl div{display:flex;justify-content:space-between;gap:18px;padding:12px 0;border-bottom:1px solid #dce6ed}dt{color:#567083}dd{text-align:right;margin:0}.text-link{display:block;font-size:14px;margin-top:16px;color:#1278b8}body.walking #view-card{display:none}
@media(max-width:1050px){#explorer{width:215px;left:22px}h1{font-size:24px}.layers{gap:8px}footer{left:20px;right:20px}.modes button{padding:10px}#view-card{width:230px;right:24px}#walk-pad{left:260px}.concept{display:none}}
@media(max-width:760px){#app{min-height:540px}header{height:78px;padding:18px}.brand{font-size:23px}.brand span{font-size:8px}.header-right{gap:5px}#info-button{font-size:12px;padding:9px}.header-right .download{font-size:12px;padding:10px;gap:5px}.header-right .download span{display:none}#explorer{display:none;left:15px;top:123px;width:245px;max-height:calc(100dvh - 320px);background:#f4f8fbea;padding:20px;border:1px solid #cfdae3;border-radius:8px}#explorer.open{display:block}#explorer h1,#explorer .intro,#explorer .site-facts{display:none}nav{margin-top:12px}#mobile-menu{display:block;position:absolute;top:84px;left:17px;font-size:13px;z-index:6}#compass{right:22px;top:94px}#compass small{display:none}#view-card{bottom:172px;left:18px;right:auto;width:260px;padding-left:12px}#view-description{font-size:12px}#view-title{font-size:19px}footer{bottom:36px;left:12px;right:12px;flex-wrap:wrap;justify-content:center;gap:4px;padding:7px}.modes{flex:1;justify-content:center}.modes button{font-size:12px;padding:10px 12px}#reset{font-size:12px;padding:8px}.layers{width:100%;justify-content:center;border-top:1px solid #e1e9ee;padding:8px 0 2px;font-size:12px;gap:12px}#help{bottom:10px;font-size:10px}#walk-pad{left:20px;bottom:163px}dialog{padding:23px}dl div{display:block}dd{text-align:left;margin-top:4px}.marker{font-size:11px;max-width:120px}}

.brand{background:#152a32;padding:7px 12px;border-radius:4px;color:white}.brand img{display:block;width:180px;height:auto}.brand span{font-size:9px;text-align:center;margin-top:0}@media(max-width:760px){.brand img{width:130px}.brand{padding:5px 9px}.brand span{font-size:8px}}