@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');
:root{--bg:#f7f9f7;--panel:#fff;--ink:#172f29;--muted:#7c8983;--line:#e2e9e3;--green:#147d68;--soft:#edf5ef;--shadow:0 12px 40px #193b2210;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif;font-size:14px;transition:background .25s,color .25s}body.dark{--bg:#0f1b17;--panel:#182620;--ink:#e1ede5;--muted:#9bafa2;--line:#2b3d32;--green:#7fd2b4;--soft:#20392e;--shadow:0 12px 40px #0002;color-scheme:dark}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button{transition:background .18s,transform .18s,box-shadow .18s}button:hover{transform:translateY(-1px)}button:active{transform:translateY(1px)}a{color:inherit;text-decoration:none}a:hover{color:var(--green)}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #65b69b;outline-offset:4px}header,main,footer{width:min(1080px,calc(100% - 64px));margin:auto}.header{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:24px;letter-spacing:-1px}.brand-dot{color:var(--green)}nav{display:flex;gap:32px;align-items:center;font-size:13px}nav a{color:var(--muted)}.icon-button{width:35px;height:35px;border:1px solid var(--line);border-radius:50%;background:var(--panel);font-size:21px}.intro{padding:65px 0 37px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:600;display:inline-flex;align-items:center;gap:9px}.eyebrow i{height:6px;width:6px;background:var(--green);border-radius:50%;box-shadow:0 0 0 4px var(--soft)}h1{font-size:clamp(34px,4.2vw,51px);letter-spacing:-2px;margin:18px 0 14px;font-weight:600}h1>span:first-child{color:var(--green)}.period{color:#a9b9ab}.intro p{font-size:15px;color:var(--muted)}h2{font-size:21px;letter-spacing:-.6px;margin:9px 0 0;font-weight:600}.panel{background:var(--panel);border:1px solid var(--line);border-radius:19px;box-shadow:var(--shadow);padding:28px 30px}.section-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.text-button{border:0;background:none;font-size:12px;color:var(--muted);padding:8px}.text-button:hover{color:var(--green);background:var(--soft);border-radius:6px}.address-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.address-card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:20px;min-width:0}.address-title{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:12px}.badge{font-size:10px;background:var(--soft);color:var(--green);border-radius:20px;padding:5px 9px;font-weight:400}.badge.off{color:var(--muted);background:var(--line)}.ip-value{border:0;background:none;padding:21px 0 19px;text-align:left;font-family:'DM Sans',Consolas,monospace;font-size:32px;font-weight:500;letter-spacing:-.8px;display:block;width:100%;overflow-wrap:anywhere}.ip-value.v6{font-size:21px;min-height:79px;display:flex;align-items:center}.small{font-size:11px;color:var(--muted)}.copy-hint{float:right}.my-details{margin-top:25px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.my-details .detail{padding:0;border:0}.detail dt{font-size:11px;color:var(--muted);margin-bottom:8px}.detail dd{margin:0;font-size:14px;overflow-wrap:anywhere;line-height:1.6}.footnote{font-size:10px;color:var(--muted);line-height:1.7;margin:22px 0 0}.lookup{padding-top:45px}.support{font-size:11px;color:var(--muted);letter-spacing:.4px}.search-box{display:flex;align-items:center;padding:8px;border:1px solid var(--line);background:var(--panel);border-radius:13px;box-shadow:0 6px 24px #193b2205;transition:border-color .2s,box-shadow .2s}.search-box:focus-within{border-color:var(--green);box-shadow:0 0 0 4px var(--soft)}.search-icon{font-size:28px;color:var(--muted);padding:0 16px}.search-box input{width:100%;min-width:0;background:none;border:0;outline:0;padding:15px 0;color:var(--ink);font-size:15px}.search-box input::placeholder{color:#94a097}.primary{border:0;background:#147d68;color:#fff;padding:16px 23px;border-radius:8px;white-space:nowrap;font-weight:500;min-width:106px}.primary span{margin-left:16px}.primary:hover{background:#0c6b58;box-shadow:0 5px 14px #147d6826}.primary:disabled{opacity:.6;cursor:wait}.search-bottom{display:flex;justify-content:space-between;padding:13px 4px;color:var(--muted);font-size:11px}.search-bottom button{border:0;background:var(--soft);color:var(--muted);border-radius:5px;padding:4px 8px;margin-left:8px;font-size:10px}kbd{font:10px inherit;border:1px solid var(--line);border-radius:4px;padding:3px 5px}.history{padding:20px 0 0}.history-title{display:flex;justify-content:space-between;align-items:center;font-size:11px}.muted{color:var(--muted)}.history-items{display:flex;gap:9px;flex-wrap:wrap;margin-top:10px;min-height:32px}.history-items button{padding:8px 12px;background:var(--panel);border:1px solid var(--line);border-radius:7px;color:var(--muted);font-size:11px}.about{margin-top:65px;padding:37px 0;border-top:1px solid var(--line)}.about-heading h2{margin-top:14px;font-size:26px}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;margin:36px 0 32px}.number{font-size:10px;color:var(--green)}h3{font-size:14px;font-weight:600;margin:14px 0 10px}article p,details p{color:var(--muted);font-size:12px;line-height:1.9}details{border-top:1px solid var(--line);padding:17px 0}summary{font-size:12px;cursor:pointer}details p{max-width:850px}details a{color:var(--green);text-decoration:underline}footer{border-top:1px solid var(--line);padding:28px 0;display:flex;justify-content:space-between;align-items:center;gap:15px;color:var(--muted);font-size:10px}footer .brand{font-size:17px;color:var(--ink)}#message{font-size:12px;color:var(--green);line-height:1.8}#message.error{color:#c65a40}.result{margin-top:20px;animation:appear .35s ease}.result h2{overflow-wrap:anywhere}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 24px}.result-grid .detail{border-bottom:1px solid var(--line);padding:16px 0;margin:0}.dns-label{font-size:11px;color:var(--muted);margin:15px 0 10px}.dns-chips{display:flex;flex-wrap:wrap;gap:7px}.dns-chips button{border:1px solid var(--line);border-radius:6px;background:var(--bg);font-size:11px;padding:8px;overflow-wrap:anywhere;max-width:100%}.dns-chips button.selected{color:var(--green);border-color:var(--green);background:var(--soft)}.actions{display:flex;gap:6px;flex-shrink:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,15px);background:var(--ink);color:var(--bg);padding:12px 23px;border-radius:9px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;font-size:12px;z-index:10}#toast.show{opacity:1;transform:translate(-50%,0)}[hidden]{display:none!important}@keyframes appear{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(max-width:720px){header,main,footer{width:calc(100% - 32px)}.header{height:78px}nav{gap:16px}.intro{padding:43px 0 24px}h1{letter-spacing:-1px}.panel{padding:22px 18px}.address-grid{grid-template-columns:1fr}.ip-value.v6{min-height:0}.my-details{grid-template-columns:1fr 1fr}.support{display:none}.search-icon{padding:0 9px}.search-box input{font-size:12px}.primary{padding:14px;min-width:76px}.primary span{margin-left:7px}.search-bottom button{margin-left:3px;padding:4px}.search-bottom kbd{display:none}.about-grid{grid-template-columns:1fr;gap:16px}.about-grid article{border-bottom:1px solid var(--line);padding-bottom:15px}.about{margin-top:45px}footer{flex-wrap:wrap}.result-grid{grid-template-columns:1fr 1fr}.result .section-top{align-items:flex-start;flex-direction:column}.copy-hint{float:none;margin-left:15px}.eyebrow{letter-spacing:1.5px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.language-select{max-width:108px;padding:7px 8px;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:8px;font:inherit;font-size:12px;cursor:pointer}.language-select:focus-visible{outline:3px solid #65b69b;outline-offset:3px}html[lang=en] h1,html[lang=ja] h1{letter-spacing:-1px;font-size:clamp(30px,4vw,48px)}html[lang=en] .ip-value.v6,html[lang=ja] .ip-value.v6{min-height:79px}.address-card .small{display:block;line-height:1.7}.copy-hint{float:none;margin-left:8px}@media(max-width:720px){nav{gap:10px}nav a{font-size:11px}.language-select{font-size:11px;padding:6px 3px;max-width:82px}.brand{gap:6px;font-size:21px}.brand img{width:34px;height:34px}h1{line-height:1.25}html[lang=en] .about-heading h2{font-size:23px}.actions{flex-wrap:wrap}.result-grid{gap:0 14px}}@media(max-width:380px){nav{gap:6px}.header nav>a{font-size:10px}.icon-button{width:28px;height:28px}}

.connection-card{background:var(--soft);border:1px solid var(--line);padding:20px;border-radius:12px;margin-bottom:18px}.connection-card .ip-value{font-size:clamp(20px,3vw,32px)}.connection-card p{margin:0;line-height:1.8}


.address-notice{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:18px;margin:18px 0}.address-notice>.footnote{margin:12px 0}.address-notice a{color:var(--green);text-decoration:underline}.address-notice .detail{margin:15px 0 0}.resolution-trace{margin:18px 0 4px}.resolution-trace p{overflow-wrap:anywhere}.anycast-chip{display:inline-block;margin-left:7px;color:var(--green);font-size:10px;padding:2px 5px;border-radius:4px;background:var(--soft)}