@charset "UTF-8";
:root{--paper:#f6f5ee;--white:#fffef8;--ink:#171816;--muted:#62665a;--line:#d7d9cb;--acid:#d9ff43;--soft:#eceee3;color-scheme:light;color:var(--ink);background:var(--paper);font-family:"Avenir Next","PingFang SC","Hiragino Sans GB","Noto Sans SC",sans-serif;font-synthesis:none;-webkit-font-smoothing:antialiased;line-height:1.7}
*{box-sizing:border-box}html{min-width:320px;scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background-image:radial-gradient(#74796716 .65px,transparent .65px);background-size:7px 7px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.28}a{color:inherit;text-underline-offset:4px;text-decoration-thickness:1px;touch-action:manipulation}svg{display:block;flex-shrink:0;max-width:100%}:focus-visible{outline:3px solid #6b800a;outline-offset:5px}::selection{background:var(--acid);color:var(--ink)}.skip{position:fixed;left:16px;top:10px;z-index:10;transform:translateY(-160%);padding:10px 16px;background:var(--ink);color:var(--white)}.skip:focus{transform:none}.site-header,main,.site-footer{width:min(1140px,calc(100% - 80px));margin-inline:auto}.site-header{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:118px;border-bottom:1px solid var(--ink)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand>span{font-size:21px;font-weight:850;letter-spacing:-.8px;line-height:1.2}.brand small{display:block;margin-top:7px;font-size:8px;font-weight:600;letter-spacing:1.8px}.site-header nav{display:flex;gap:25px;align-items:center}.site-header nav a{display:flex;align-items:center;min-height:44px;text-decoration:none;font-size:13px;font-weight:650;border-bottom:2px solid transparent}.site-header nav a:hover,.site-header nav a[aria-current]{border-bottom-color:var(--ink)}.home-hero{display:grid;grid-template-columns:1.3fr 1fr;gap:35px;align-items:center;min-height:640px;padding:65px 0 72px}.eyebrow{display:block;font-size:10px;font-weight:700;letter-spacing:2.1px}.home-hero h1{margin:23px 0;font-size:clamp(38px,4.5vw,61px);font-weight:850;letter-spacing:-2.5px;line-height:1.18}.home-hero 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ease}.button:hover{transform:translateY(-2px)}.dark{color:var(--white);background:var(--ink)}.dark:hover{background:#32362a}.light{background:var(--white)}.text-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-size:12px;font-weight:650;text-decoration:none}.text-link:hover{text-decoration:underline}.release-note{margin-top:24px;font-size:11px;color:var(--muted);line-height:1.8}.diary-art{position:relative;display:flex;justify-content:center;align-items:center;min-height:450px}.notebook{position:relative;z-index:1;width:280px;height:366px;overflow:hidden;border:2px solid var(--ink);border-radius:5px 17px 17px 5px;background:var(--acid);box-shadow:9px 9px 0 var(--paper),10px 10px 0 var(--ink);transform:rotate(6deg)}.notebook:before{position:absolute;top:0;bottom:0;left:24px;border-right:2px solid var(--ink);content:""}.book-label{position:relative;padding:40px 28px 25px 48px}.book-label>span{font-size:11px;letter-spacing:2px;font-weight:800}.book-label strong{display:block;margin-top:30px;font-family:"Songti SC","Noto Serif SC",serif;font-size:34px;font-weight:900;line-height:1.5;letter-spacing:-2px}.book-label small{display:block;margin-top:18px;font-size:9px;letter-spacing:2px}.book-rules{height:65px;margin-left:47px;background:repeating-linear-gradient(transparent 0,transparent 20px,#17181655 20px,#17181655 21px)}.book-volume{position:absolute;right:23px;bottom:19px;font-size:10px;font-weight:700;letter-spacing:2px}.paper-sticker{position:absolute;z-index:2;bottom:15px;left:3%;padding:17px 24px;background:var(--ink);color:var(--white);font-family:"Songti SC","Noto Serif SC",serif;font-size:25px;line-height:1.5;transform:rotate(-9deg);border:1px solid var(--ink)}.art-line{position:absolute;width:360px;height:360px;border:1px solid var(--line);border-radius:50%;transform:rotate(-20deg)}.art-line:after{position:absolute;top:18px;right:4px;width:18px;height:18px;border:1px solid var(--ink);border-radius:50%;background:var(--paper);content:""}.feature-section{padding:45px 0 64px;border-top:1px solid var(--ink)}.section-heading{display:flex;justify-content:space-between;gap:25px;align-items:flex-end;margin-bottom:32px}.section-heading h2{margin-top:13px;font-size:27px;letter-spacing:-1px}.section-heading>p{font-size:12px;color:var(--muted)}.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.feature{position:relative;padding:26px 27px 10px 0;border-top:1px solid var(--line)}.feature+.feature{padding-left:28px;border-left:1px solid var(--line)}.feature-number{font-size:10px;font-weight:700;letter-spacing:1px}.feature>svg{position:absolute;top:23px;right:29px}.feature h3{margin-top:30px;font-size:19px;letter-spacing:-.5px}.feature p{margin-top:14px;font-size:13px;line-height:1.95;color:var(--muted)}.watch-panel{display:grid;grid-template-columns:55px minmax(0,1fr) auto;align-items:start;gap:25px;padding:38px 33px;border:1px solid var(--ink);background:var(--ink);color:var(--white);border-radius:8px}.panel-icon{display:flex;align-items:center;justify-content:center;width:51px;height:60px;border:1px solid #858a75;border-radius:13px;color:var(--acid)}.panel-icon svg{width:32px;height:32px}.watch-panel .eyebrow{color:var(--acid);font-size:9px}.watch-panel h2{margin-top:17px;font-size:31px;letter-spacing:-1px}.watch-panel p{max-width:560px;margin-top:20px;font-size:13px;line-height:1.95;color:#d2d5c8}.watch-panel p.small-note{font-size:11px;color:#b5baaa}.watch-panel .button{align-self:center;margin-top:20px;color:var(--ink);white-space:nowrap}.privacy-intro{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:60px 0;border-bottom:1px solid var(--ink)}.privacy-intro>div{position:relative;max-width:700px;padding-left:48px}.privacy-intro svg{position:absolute;top:2px;left:0}.privacy-intro h2{font-size:25px}.privacy-intro p{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.9}.privacy-intro>a{flex-shrink:0}.contact-strip{display:flex;align-items:center;justify-content:space-between;gap:25px;margin:47px 0;padding:25px 28px;background:var(--soft);border:1px solid var(--line);border-radius:7px}.contact-strip>div{display:flex;align-items:center;gap:18px}.contact-strip strong{display:block;font-size:17px}.contact-strip small{display:block;margin-top:5px;font-size:11px;color:var(--muted);line-height:1.8}.contact-strip .button{flex-shrink:0}.site-footer{display:grid;grid-template-columns:1fr auto;gap:27px;padding:34px 0 27px;border-top:1px solid var(--ink)}.footer-brand{font-size:18px;font-weight:800;text-decoration:none}.site-footer p{margin-top:8px;font-size:11px;color:var(--muted)}.footer-links{display:flex;align-items:start;gap:22px;font-size:12px;padding-top:7px}.footer-meta{grid-column:1/-1;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted)}.footer-meta a{text-decoration:none}.footer-meta a:hover{text-decoration:underline}.document-head{padding:57px 0 32px;border-bottom:1px solid var(--ink)}.document-head h1{margin-top:15px;font-size:clamp(38px,5vw,58px);font-weight:850;letter-spacing:-2px}.document-head>p{margin-top:17px;font-size:14px;color:var(--muted)}.document-meta{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-top:28px;font-size:11px;color:var(--muted)}.document-meta a{display:inline-flex;align-items:center;gap:8px;min-height:40px}.document-meta svg{width:15px;height:15px}.document-layout{display:grid;grid-template-columns:170px minmax(0,1fr);gap:58px;margin:42px 0 60px}.document-nav{position:sticky;top:25px;align-self:start;display:flex;flex-direction:column;gap:5px;padding:5px 0}.document-nav a{padding:8px 0;font-size:12px;text-decoration:none}.document-nav a:hover{text-decoration:underline}.prose{max-width:800px;min-width:0}.prose section{padding-bottom:33px;margin-bottom:32px;border-bottom:1px solid var(--line);scroll-margin-top:28px}.prose section:last-child{margin-bottom:0;border-bottom:0}.prose h2{display:flex;align-items:baseline;gap:15px;font-size:24px;letter-spacing:-.5px;margin-bottom:20px}.prose h2>span{font-size:11px;letter-spacing:1px;font-weight:600;color:var(--muted);flex-shrink:0}.prose h3{margin:27px 0 11px;font-size:16px}.prose p{margin-top:15px;font-size:14px;line-height:2;color:#41463c;overflow-wrap:anywhere}.prose p:first-child{margin-top:0}.prose .button{margin-top:26px}.control-list{margin:20px 0 0}.control-list>div{padding:19px 21px;background:var(--soft);border-top:1px solid var(--line)}.control-list>div:last-child{border-bottom:1px solid var(--line)}.control-list dt{font-size:14px;font-weight:750}.control-list dd{margin:8px 0 0;font-size:13px;line-height:1.95;color:#41463c}.support-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:29px 0 48px}.support-shortcut{display:flex;align-items:center;gap:13px;min-height:77px;padding:18px;border:1px solid var(--line);border-radius:5px;background:var(--white);font-size:13px;font-weight:650;text-decoration:none}.support-shortcut>svg:last-child{width:18px;height:18px;margin-left:auto}.support-shortcut:hover{border-color:var(--ink);background:var(--acid)}.support-prose{margin-inline:auto}.section-tab{display:block;margin-bottom:14px;font-size:9px;font-weight:700;letter-spacing:1.6px;color:var(--muted)}.steps{list-style:none;counter-reset:steps;padding:0;margin:24px 0}.steps li{position:relative;counter-increment:steps;padding:0 0 25px 48px}.steps li:before{position:absolute;left:0;top:0;display:flex;align-items:center;justify-content:center;width:29px;height:29px;background:var(--acid);border:1px solid var(--ink);border-radius:50%;font-size:12px;font-weight:750;content:counter(steps)}.steps strong{font-size:14px}.steps p{margin-top:5px;font-size:13px}.callout{margin-top:23px;padding:17px 20px;border-left:3px solid var(--ink);background:var(--soft);font-size:13px;line-height:1.95;color:#41463c}.plain-list{padding-left:20px;font-size:14px;line-height:2;color:#41463c}.plain-list li{padding-left:3px;margin-bottom:11px}.prose p.small-note{font-size:12px;color:var(--muted)}.support-owner{margin:-15px 0 45px;font-size:11px;color:var(--muted);overflow-wrap:anywhere;line-height:1.9}
@media(min-width:1400px){.home-hero{min-height:680px}.home-hero h1{font-size:66px}}
@media(max-width:900px){.site-header,main,.site-footer{width:calc(100% - 48px)}.home-hero{gap:15px;min-height:585px}.home-hero h1{font-size:45px}.notebook{width:235px;height:325px}.book-label{padding-top:31px;padding-left:42px}.book-label strong{font-size:29px}.book-rules{height:42px}.diary-art{min-height:420px}.art-line{width:280px;height:280px}.paper-sticker{left:0;font-size:21px;padding:13px 18px}.watch-panel{grid-template-columns:45px minmax(0,1fr);gap:21px;padding:29px}.watch-panel .button{grid-column:2;justify-self:start;margin-top:0}.contact-strip{align-items:start}.contact-strip>div{align-items:start}.document-layout{grid-template-columns:135px minmax(0,1fr);gap:32px}.support-shortcut{gap:8px;padding:14px;font-size:12px}.support-shortcut>svg{width:21px;height:21px}}
@media(max-width:650px){.site-header,main,.site-footer{width:calc(100% - 36px)}.site-header{flex-wrap:wrap;justify-content:center;gap:10px;padding:22px 0 11px;min-height:130px}.brand{margin-right:auto}.brand>span{font-size:20px}.brand>svg{width:39px;height:39px}.site-header nav{width:100%;gap:25px}.site-header nav a{min-height:38px;font-size:12px}.home-hero{grid-template-columns:1fr;padding:39px 0 40px;gap:12px;min-height:0}.home-hero .eyebrow{font-size:9px}.home-hero h1{font-size:47px;margin:20px 0;letter-spacing:-2px}.home-hero h1>span{font-size:.63em;letter-spacing:-1px}.lead{font-size:13px}.hero-actions{gap:15px;margin-top:23px}.button{min-height:46px;padding:12px 16px;font-size:12px;gap:10px}.hero-actions .text-link{font-size:11px;gap:6px}.hero-actions .text-link svg{width:16px;height:16px}.release-note{margin-top:17px;font-size:10px}.diary-art{min-height:350px;margin:5px 0 2px}.notebook{width:226px;height:293px;transform:rotate(6deg)}.book-label{padding-top:24px;padding-left:42px}.book-label>span{font-size:9px}.book-label strong{font-size:29px;margin-top:19px}.book-label small{font-size:8px;margin-top:13px}.book-rules{height:40px}.book-volume{bottom:15px;font-size:8px}.art-line{width:280px;height:280px}.paper-sticker{left:3%;bottom:4px;font-size:20px;line-height:1.45;padding:13px 18px}.section-heading{display:block;margin-bottom:24px}.section-heading h2{font-size:23px;margin-top:12px}.section-heading>p{margin-top:13px;font-size:11px}.feature-section{padding:34px 0 35px}.features{grid-template-columns:1fr}.feature,.feature+.feature{padding:22px 5px 25px;border-left:0}.feature>svg{top:21px;right:8px;width:24px;height:24px}.feature h3{font-size:20px;margin-top:21px}.feature p{margin-top:10px;font-size:13px}.watch-panel{grid-template-columns:1fr;gap:18px;padding:25px 22px}.panel-icon{width:44px;height:51px}.panel-icon svg{width:28px;height:28px}.watch-panel h2{font-size:28px;margin-top:13px}.watch-panel p{font-size:13px;margin-top:16px}.watch-panel .button{grid-column:1;margin-top:1px}.privacy-intro{align-items:start;flex-direction:column;gap:17px;padding:36px 0}.privacy-intro>div{padding-left:37px}.privacy-intro svg{width:23px;height:23px}.privacy-intro h2{font-size:23px}.privacy-intro p{margin-top:12px}.privacy-intro>a{margin-left:37px}.contact-strip{flex-direction:column;gap:18px;margin:31px 0;padding:22px}.contact-strip>div{gap:13px}.contact-strip>div>svg{width:22px;height:22px}.contact-strip strong{font-size:16px}.contact-strip small{font-size:11px}.contact-strip .button{align-self:stretch}.site-footer{grid-template-columns:1fr;gap:18px;padding:28px 0 22px}.footer-links{gap:24px;padding-top:0;font-size:11px}.footer-meta{font-size:9px;gap:14px}.document-head{padding:36px 0 24px}.document-head h1{font-size:43px;margin-top:12px}.document-head>p{font-size:13px;line-height:1.9;margin-top:15px}.document-meta{display:block;margin-top:20px;font-size:10px}.document-meta a{margin-top:6px}.document-layout{grid-template-columns:1fr;gap:24px;margin:22px 0 35px}.document-nav{position:static;flex-direction:row;flex-wrap:wrap;gap:2px 18px;padding:0 0 15px;border-bottom:1px solid var(--line)}.document-nav a{padding:6px 0;font-size:11px}.prose h2{font-size:21px;gap:10px;line-height:1.5}.prose h2>span{font-size:10px}.prose h3{font-size:15px;margin-top:24px}.prose p{font-size:13px;line-height:2.05}.prose section{padding-bottom:27px;margin-bottom:27px}.control-list>div{padding:16px}.control-list dt{font-size:13px}.control-list dd{font-size:12px}.support-grid{grid-template-columns:1fr;gap:8px;margin:22px 0 32px}.support-shortcut{min-height:59px;padding:14px;font-size:13px;gap:13px}.support-shortcut>svg{width:23px;height:23px}.section-tab{font-size:8px;margin-bottom:12px}.steps li{padding-left:40px;padding-bottom:23px}.steps li:before{width:27px;height:27px;font-size:11px}.steps strong{font-size:13px}.steps p{font-size:12px}.callout{font-size:12px;padding:15px 16px}.plain-list{font-size:13px;line-height:2}.support-owner{margin-top:-9px;font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}