:root{font-family:'Yu Gothic','Hiragino Kaku Gothic ProN',system-ui,sans-serif;color:#26423c;background:#f7f6ed;line-height:1.8;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px;touch-action:manipulation}a:focus-visible{outline:3px solid #bd7620;outline-offset:5px}p{margin:0 0 1em}.site-header,.site-footer{max-width:1120px;margin:auto;padding:20px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-header{border-bottom:1px solid #dce1d4}.site-header a,.site-footer a{display:inline-flex;align-items:center;min-height:44px}.brand{gap:12px;font-weight:700;text-decoration:none}.mark{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#315d4e;color:white;font-size:22px}.home{max-width:1040px;margin:auto;padding:56px 28px 40px}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.16em;color:#54715f}h1{font-size:clamp(36px,6vw,64px);line-height:1.3;margin:16px 0 24px}.lead{font-size:clamp(16px,2vw,20px);line-height:2}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 16px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 24px;border:1px solid #aabbab;border-radius:12px;text-decoration:none;font-weight:700;background:#fffdf6}.primary{background:#315d4e;color:white;border-color:#315d4e}.button:hover{background:#e8edde}.primary:hover{background:#234737}.note{font-size:13px;color:#596e61}.cover{margin:32px 0 0}.cover img{display:block;width:100%;height:auto;border-radius:20px}.cover figcaption{font-size:12px;color:#596e61;margin-top:8px}.site-footer{border-top:1px solid #dce1d4;font-size:12px;color:#596e61}.site-footer p{margin:0}.guide{max-width:960px;margin:auto;padding:40px 28px 60px}.guide h1{font-size:clamp(30px,5vw,44px)}.guide h2{font-size:24px;line-height:1.6;margin:0 0 20px}.guide section{padding:34px 0;border-bottom:1px solid #dce1d4;scroll-margin-top:20px}.guide nav{display:flex;flex-wrap:wrap;gap:8px 20px;margin:20px 0}.guide nav a{display:inline-flex;align-items:center;min-height:44px}.tip{background:#eaf0e2;border-radius:12px;padding:16px;font-size:14px}.steps{list-style:none;counter-reset:step;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:16px}.steps li{counter-increment:step;background:#fffdf7;border:1px solid #dce1d4;border-radius:16px;padding:20px}.steps h3{font-size:18px;margin:0 0 12px;line-height:1.6}.steps h3:before{content:counter(step);display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#315d4e;color:#fff;margin-right:8px;font-size:14px}.steps p{font-size:14px;margin:12px 0 0}.diagram{min-height:100px;display:flex;align-items:center;justify-content:center;gap:12px;background:#edf1e5;border-radius:10px;padding:16px;flex-wrap:wrap}.ui-label{display:inline-block;padding:9px 13px;background:#fff;border:1px solid #9eaf9e;border-radius:8px;font-size:14px;font-weight:700}.ui-label.gold{background:#e9b45f;border-color:#d3a452}.meadow{background:#abc590;position:relative}.house{font-size:44px;line-height:1.2}.target{font-size:36px;color:#315d4e}.control-grid{display:grid;grid-template-columns:repeat(3,52px);gap:6px;text-align:center}.control-grid span{background:white;border:1px solid #aabbab;border-radius:8px;line-height:44px;font-size:22px}.control-grid .up{grid-column:2}.control-grid .left{grid-column:1}.control-grid .brake{grid-column:1/4;font-size:13px;background:#e9b45f}.device-notes{display:grid;grid-template-columns:1fr 1fr;gap:16px}.device-notes p{background:#edf1e5;padding:16px;border-radius:12px;font-size:14px}.guide details{padding:16px 0}.guide summary{cursor:pointer;min-height:44px;font-weight:700}.guide details p{margin-top:12px}.diagram-caption{font-size:12px;color:#596e61}
@media(max-width:600px){.site-header,.site-footer{padding:14px 20px;gap:12px;flex-wrap:wrap}.brand{font-size:14px;gap:8px}.mark{width:34px;height:34px;font-size:18px;flex:none}.site-header>a:last-child{font-size:14px}.home{padding:32px 22px}.actions{flex-direction:column;align-items:stretch}.site-footer{align-items:flex-start;flex-direction:column;gap:4px}.guide{padding:28px 22px}.guide h2{font-size:21px}.steps,.device-notes{grid-template-columns:1fr}.cover{margin-top:24px}.cover img{border-radius:12px}}
@supports(padding:max(0px)){body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);padding-bottom:env(safe-area-inset-bottom)}}