:root{font-family:system-ui,-apple-system,"Segoe UI","Noto Sans JP","Yu Gothic",sans-serif;color:#202b38;background:#f8fafc;font-size:16px;line-height:1.7;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:#003fb2;text-underline-offset:.22em}a:hover{text-decoration-thickness:2px}button,a{touch-action:manipulation}button{font:inherit;border:1px solid #64748b;border-radius:6px;background:#fff;color:#003fb2;cursor:pointer;min-height:44px;padding:.5rem 1.1rem}button:hover{background:#edf3ff}button.primary{background:#003fb2;border-color:#003fb2;color:white}button.primary:hover{background:#002e83}button:disabled{cursor:wait;opacity:.65}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #151b25;outline-offset:3px;box-shadow:0 0 0 6px #ffeb3b}.skip{position:absolute;left:1rem;top:-100px;padding:.75rem;background:white;z-index:2}.skip:focus{top:.5rem}header{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;padding:1.2rem max(1.5rem,calc((100vw - 1100px)/2));background:#fff;border-bottom:1px solid #dbe1e8}.brand{font-weight:700;color:#202b38;font-size:1.2rem;text-decoration:none}.environment{font-size:.875rem;color:#5d4700;background:#fff4ce;padding:.1rem .5rem}nav{display:flex;align-items:center;flex-wrap:wrap;gap:1.2rem;margin-left:auto}nav a{display:inline-flex;align-items:center;min-height:44px}main{max-width:1000px;min-height:65vh;margin:0 auto;padding:3rem 1.5rem}main:focus{outline:none}h1{font-size:2rem;line-height:1.4;letter-spacing:.02em;margin:0 0 1.2rem}h2{font-size:1.35rem;margin:0 0 .5rem}h3{font-size:1.05rem}p{margin:.7rem 0 1.2rem}.lead{font-size:1.1rem;color:#46566a;max-width:44rem}.muted{color:#526175;font-size:.925rem}.panel{background:white;padding:1.75rem;border:1px solid #dbe1e8;border-radius:8px;max-width:680px}.products{list-style:none;padding:0;margin-top:2rem}.product{padding:1.5rem 0;border-top:1px solid #d0d8e2}.product-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap}.status{font-weight:600}.status.active{color:#19603a}.actions{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;margin:1.5rem 0}dl{display:grid;grid-template-columns:minmax(6rem,10rem) 1fr;gap:.3rem 1rem;margin:.5rem 0}dt{color:#526175}dd{margin:0;overflow-wrap:anywhere}.error{padding:1rem;border-left:4px solid #b42318;background:#fff1f0;color:#851b14;white-space:pre-line}.notice{padding:1rem;border-left:4px solid #526175;background:#edf2f7}.devices{list-style:none;padding:0}.devices li{padding:1.5rem 0;border-bottom:1px solid #d0d8e2;overflow-wrap:anywhere}dialog{max-width:min(90vw,32rem);border:1px solid #64748b;border-radius:8px;padding:1.5rem}dialog::backdrop{background:rgb(10 20 30 / .45)}footer{max-width:1000px;margin:auto;padding:1.5rem;color:#526175;border-top:1px solid #dbe1e8;font-size:.875rem}[hidden]{display:none!important}@media(max-width:650px){header{padding:1rem;gap:.5rem}nav{margin:0;width:100%;gap:1rem;font-size:.9rem}main{padding:2rem 1rem}h1{font-size:1.65rem}.panel{padding:1.25rem}dl{grid-template-columns:1fr;gap:0}dd{margin-bottom:.6rem}.product-head{display:block}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

.email-settings form{display:grid;gap:12px;max-width:460px;margin:20px 0}.email-settings form[hidden]{display:none}.email-settings label{font-weight:600}.email-settings input{font:inherit;padding:12px;border:1px solid #9caeac;border-radius:8px;min-width:0;width:100%;box-sizing:border-box}.email-settings p{overflow-wrap:anywhere}

.login-panel{max-width:440px;margin:1rem auto;text-align:center}.login-panel>button,.signup-action>button{width:100%}.signup-action{margin-top:1.75rem;padding-top:1.5rem;border-top:1px solid #dbe1e8}.signup-action p{margin:0 0 .75rem;color:#526175;font-size:.925rem}