:root{color-scheme:light dark;--bg:#f7f8f7;--surface:#fff;--surface-soft:#f1f4f1;--ink:#202723;--muted:#66716a;--line:#e0e5e1;--accent:#23734d;--accent-soft:#e8f3eb;--button-ink:#fff;--shadow:0 6px 24px rgb(27 49 35 / .035)}
@media(prefers-color-scheme:dark){:root{--bg:#171b19;--surface:#202622;--surface-soft:#252d27;--ink:#edf2ed;--muted:#a0ada3;--line:#354037;--accent:#99d4aa;--accent-soft:#273d2e;--button-ink:#14251b;--shadow:none}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px;border-radius:3px}svg{display:block;width:24px;height:24px;flex-shrink:0}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.45;letter-spacing:-.025em}h2{font-size:28px;font-weight:650}h3{font-size:18px;font-weight:600}section[id]{scroll-margin-top:100px}.container{width:min(1080px,calc(100% - 64px));margin-inline:auto}.skip-link{position:fixed;top:8px;left:12px;z-index:10;transform:translateY(-180%);padding:9px 16px;background:var(--surface);border:1px solid var(--accent);border-radius:8px}.skip-link:focus{transform:none}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.header-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;gap:11px;align-items:center;font-size:16px;font-weight:650;line-height:1.4}.brand-mark,.mini-mark{display:grid;place-items:center;border-radius:9px;font-size:18px;font-weight:650;background:var(--ink);color:var(--surface);width:36px;height:36px}.brand-sub{display:block;font-size:14px;color:var(--muted);font-weight:450;letter-spacing:.03em}.header-inner nav{display:flex;gap:25px;font-size:15px;color:var(--muted)}.header-inner nav a{padding-block:12px}.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:64px;align-items:center;padding-block:88px 80px}.eyebrow{font-size:13px;font-weight:650;letter-spacing:.14em;display:flex;align-items:center;gap:8px;color:var(--accent)}.status-dot{width:6px;height:6px;background:var(--accent);border-radius:50%}.hero h1{font-size:clamp(32px,3.3vw,44px);font-weight:650;margin-block:20px;line-height:1.5;letter-spacing:-.045em}.hero-lead{color:var(--muted);line-height:2;font-size:16px}.hero-detail{font-size:14px;line-height:1.9;color:var(--muted);max-width:380px;margin-top:14px}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:42px;padding:10px 17px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:15px;font-weight:550;transition:border-color .15s,background .15s}.button:hover{border-color:var(--accent)}.button.primary{background:var(--accent);color:var(--button-ink);border-color:var(--accent);margin-top:24px}.button.primary:hover{filter:brightness(1.06)}.backup-visual{padding:18px 22px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:var(--shadow)}.visual-head{display:flex;gap:9px;align-items:center;font-size:15px;font-weight:600}.mini-mark{width:23px;height:23px;font-size:15px;border-radius:6px}.tag{margin-left:auto;background:var(--accent-soft);color:var(--accent);font-size:13px;padding:3px 7px;border-radius:5px;font-weight:500;white-space:nowrap}.visual-flow{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding-block:33px 27px}.visual-flow>div{display:grid;justify-items:center;gap:9px;font-size:13px;color:var(--muted);min-width:56px}.visual-flow svg{width:32px;height:32px;color:var(--ink)}.visual-flow .cloud-icon svg{color:var(--accent)}.flow-line{height:1px;flex:1;background:var(--line);position:relative;top:16px}.flow-line:after{content:"";position:absolute;right:0;top:-2px;width:5px;height:5px;border-top:1px solid var(--muted);border-right:1px solid var(--muted);transform:rotate(45deg)}.visual-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-size:14px}.visual-row>span:last-child{font-size:13px;color:var(--muted);text-align:right}.visual-foot{display:flex;gap:7px;align-items:center;border-top:1px solid var(--line);padding-top:13px;font-size:13px;color:var(--muted)}.visual-foot svg{width:13px;height:13px}.diagram-note{display:block;text-align:right;font-size:13px;color:var(--muted);margin-top:10px}.section{padding-block:42px}.section-heading{margin-bottom:25px}.section-heading h2{margin-top:10px}.section-heading>p:last-child:not(.eyebrow){margin-top:8px;color:var(--muted);font-size:15px}.scope-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}.panel{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:25px;box-shadow:var(--shadow)}.secondary-panel{background:transparent;box-shadow:none}.panel-title{display:flex;align-items:center;gap:10px}.panel-icon{padding:7px;background:var(--surface-soft);border-radius:7px;color:var(--muted)}.panel-icon svg{width:18px;height:18px}.scope-list{margin:20px 0 0}.scope-list>div{display:grid;grid-template-columns:88px 1fr;gap:15px;padding:13px 0;border-bottom:1px solid var(--line)}.scope-list dt{font-size:15px;font-weight:550}.scope-list dd{margin:0;color:var(--muted);font-size:15px;line-height:1.8}.panel-note{font-size:14px;line-height:1.9;color:var(--muted);margin-top:17px}.panel-note a,.legal-content a,.faq-list a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.plain-list{padding:0 0 0 18px;font-size:15px;color:var(--muted);line-height:2.8;margin:20px 0 0}.plain-list li::marker{color:var(--accent)}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:0;margin:0}.steps li{border-top:1px solid var(--line);padding-top:18px}.step-number{font-size:14px;color:var(--accent);font-variant-numeric:tabular-nums}.steps h3{margin-block:13px 9px}.steps p{font-size:15px;color:var(--muted);line-height:1.95}.permission-panel{display:grid;grid-template-columns:1fr 1fr;gap:50px;background:var(--surface-soft);border:1px solid var(--line);border-radius:12px;padding:30px}.permission-panel h2{font-size:24px;margin-top:12px}.permission-panel>div>p:not(.eyebrow){font-size:15px;color:var(--muted);margin-top:14px;line-height:1.95}.text-link{display:inline-flex;gap:15px;align-items:center;margin-top:20px;color:var(--accent);font-size:15px;font-weight:500}.permissions{margin:0}.permissions>div{padding:14px 0;border-bottom:1px solid var(--line)}.permissions>div:first-child{padding-top:0}.permissions>div:last-child{border-bottom:0;padding-bottom:0}.permissions dt{font-weight:550;font-size:15px}.permissions dd{margin:5px 0 0;font-size:14px;line-height:1.9;color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line);padding:18px 2px}.faq-list summary{font-size:16px;font-weight:550;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:15px;align-items:center}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";font-size:21px;font-weight:350;color:var(--muted)}.faq-list details[open] summary:after{content:"−"}.faq-list p{font-size:15px;color:var(--muted);line-height:2;max-width:840px;margin-top:13px}.contact-panel{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:30px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.contact-panel h2{font-size:23px;margin-top:9px}.contact-panel p:not(.eyebrow){color:var(--muted);font-size:15px;margin-top:8px}.contact-panel .button{white-space:nowrap}.site-footer{border-top:1px solid var(--line);margin-top:48px;padding-block:30px}.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}.footer-brand{font-size:15px;font-weight:600}.footer-inner p{font-size:13px;color:var(--muted);margin-top:4px}.footer-inner nav{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--muted)}.footer-inner>small{display:block;width:100%;font-size:13px;color:var(--muted)}.legal-main{padding-block:52px}.legal-heading{max-width:780px}.back-link{display:inline-block;color:var(--muted);font-size:14px;margin-bottom:30px}.legal-heading h1{font-size:34px;font-weight:650;margin-top:10px}.legal-heading>p:not(.eyebrow){font-size:16px;color:var(--muted);line-height:1.9;margin-top:13px}.updated{display:block;font-size:14px;color:var(--muted);margin-top:15px}.legal-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:55px;margin-top:45px;align-items:start}.legal-toc{position:sticky;top:26px;display:grid;gap:9px;font-size:14px;line-height:1.6}.legal-toc strong{font-weight:550;margin-bottom:5px}.legal-toc a{color:var(--muted);padding-block:3px}.legal-toc a:hover{color:var(--accent)}.legal-content{font-size:16px;line-height:2.05;min-width:0}.legal-content section{padding-bottom:28px;margin-bottom:28px;border-bottom:1px solid var(--line)}.legal-content section:last-child{margin-bottom:0}.legal-content h2{font-size:19px;font-weight:600;margin-bottom:15px}.legal-content h3{font-size:16px;margin-top:20px;margin-bottom:8px}.legal-content p+p{margin-top:14px}.legal-content ul{padding-left:20px;margin-top:10px}.legal-content li{margin-bottom:8px}.legal-content code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:14px;background:var(--surface-soft);border:1px solid var(--line);border-radius:4px;padding:2px 5px;overflow-wrap:anywhere;white-space:normal}.scope-code{margin-top:16px;font-size:14px;color:var(--muted)}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface);margin:16px 0}.legal-content table{border-collapse:collapse;width:100%;min-width:390px;text-align:left;font-size:15px;line-height:1.9}.legal-content th,.legal-content td{padding:13px 15px;vertical-align:top;border-bottom:1px solid var(--line)}.legal-content th{font-weight:550;background:var(--surface-soft)}.legal-content tr:last-child td{border:0}.legal-content td:first-child{width:35%}.notice{border-left:3px solid var(--accent);background:var(--surface-soft);padding:16px 18px;margin:20px 0;border-radius:0 7px 7px 0}.notice strong{font-size:15px;font-weight:600}.notice p{font-size:15px;margin-top:8px}.terms-content{max-width:780px;margin-top:40px}.not-found{padding-block:90px;min-height:55vh}.not-found h1{font-size:30px;margin-block:12px}.not-found>p:not(.eyebrow){color:var(--muted)}
@media(max-width:900px){.container{width:calc(100% - 48px)}.hero{gap:30px;padding-block:58px}.hero h1{font-size:34px}.wide-only{display:none}.backup-visual{padding:16px}.scope-grid{grid-template-columns:1fr 1fr}.panel{padding:20px}.scope-list>div{grid-template-columns:1fr;gap:4px}.permission-panel{gap:28px;padding:25px}.contact-panel{align-items:flex-start;flex-direction:column}.legal-layout{grid-template-columns:160px minmax(0,1fr);gap:30px}.header-inner nav{gap:18px}}
@media(max-width:640px){.container{width:calc(100% - 36px)}.header-inner{min-height:82px;gap:15px;flex-wrap:wrap;padding-block:16px}.brand{font-size:16px}.header-inner nav{width:100%;flex-wrap:wrap;gap:8px 18px;font-size:14px}.header-inner nav a{padding-block:4px}.hero{grid-template-columns:1fr;padding-block:44px 30px;gap:32px}.hero h1{font-size:35px}.hero-lead{font-size:16px}.hero-detail{max-width:none}.backup-visual{padding:18px}.hero .button{margin-top:20px}.section{padding-block:30px}.section-heading h2{font-size:24px}.scope-grid,.permission-panel{grid-template-columns:1fr}.scope-list>div{grid-template-columns:80px 1fr;gap:10px}.steps{grid-template-columns:1fr;gap:22px}.steps li{display:grid;grid-template-columns:26px 1fr;gap:6px 15px}.step-number{grid-row:1/3;padding-top:3px}.steps h3{margin:0;font-size:16px}.steps p{grid-column:2}.permission-panel{gap:25px;padding:22px}.permission-panel h2{font-size:23px}.contact-panel{padding:23px;gap:20px}.contact-panel h2{font-size:22px}.contact-panel .button{font-size:14px;max-width:100%;white-space:normal;overflow-wrap:anywhere;gap:14px}.site-footer{margin-top:30px}.footer-inner{gap:20px}.footer-inner nav{gap:12px 18px}.legal-main{padding-block:32px}.legal-heading h1{font-size:28px}.legal-layout{grid-template-columns:1fr;gap:32px;margin-top:30px}.legal-toc{position:static;padding:17px 20px;background:var(--surface-soft);border:1px solid var(--line);border-radius:8px;grid-template-columns:1fr 1fr;gap:7px 15px}.legal-toc strong{grid-column:1/-1}.legal-content{font-size:16px;line-height:2}.legal-content h2{font-size:18px}.table-wrap{margin-inline:0}.terms-content{margin-top:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}