/* 日札 Rizha — site styles. No external fonts, no JS. */
:root{
  --paper:#F4EFE6;--paper-2:#EEE7DB;--card:#FBF8F2;
  --ink:#2B2A28;--ink-2:#5F5A52;--ink-3:#8B847A;
  --line:#DDD4C5;--accent:#B04A3A;--frame:#262523;
  --serif:"Songti SC","STSong","Noto Serif SC","Noto Serif CJK SC","Source Han Serif SC",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Noto Sans SC","Noto Sans CJK SC",sans-serif;
  --latin:Baskerville,"Baskerville Old Face",Georgia,"Times New Roman",serif;
  --pad:max(24px,env(safe-area-inset-left));--pad-r:max(24px,env(safe-area-inset-right));
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{--paper:#1C1B19;--paper-2:#22211E;--card:#262421;--ink:#ECE5D8;--ink-2:#B5AC9E;--ink-3:#8A8276;--line:#3A3631;--accent:#C9604E;--frame:#0F0E0D}
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.85 var(--sans);overflow-x:hidden;-webkit-font-smoothing:antialiased}
:lang(en) body,body:lang(en){font-family:var(--latin);font-size:17px}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration-color:var(--line);text-underline-offset:.3em;text-decoration-thickness:1px}
a:hover{color:var(--accent);text-decoration-color:currentColor}
a:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:var(--pad);top:8px;background:var(--card);padding:6px 12px;z-index:10}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding-left:var(--pad);padding-right:var(--pad-r)}
.serif{font-family:var(--serif)}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:.02em;margin:0}
:lang(en) h1,:lang(en) h2,:lang(en) h3{font-family:var(--latin);letter-spacing:0}
p{margin:0}

/* header */
.site-head{padding-top:max(14px,env(safe-area-inset-top))}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--serif);font-size:18px;letter-spacing:.12em}
.brand img{width:28px;height:28px;border-radius:7px;box-shadow:0 0 0 1px var(--line)}
.brand small{font:11px/1 var(--latin);letter-spacing:.24em;color:var(--ink-3);text-transform:uppercase}
.head-nav{display:flex;gap:18px;font-size:14px;color:var(--ink-2)}
.head-nav a{text-decoration:none}
.lang{border:1px solid var(--line);border-radius:999px;padding:3px 12px;font-family:var(--latin);letter-spacing:.06em}

/* hero */
.hero{position:relative;padding:40px 0 24px}
.hero .wrap{display:grid;gap:44px}
.kicker{font-size:12px;letter-spacing:.32em;color:var(--ink-3);text-transform:uppercase;margin-bottom:22px;font-family:var(--latin)}
.kicker:lang(zh-Hans){font-family:var(--sans)}
.hero-icon{width:84px;height:84px;border-radius:19px;box-shadow:0 1px 0 rgba(0,0,0,.04),0 10px 30px -12px rgba(60,40,20,.35),0 0 0 1px rgba(0,0,0,.05);margin-bottom:28px}
.hero h1{font-size:56px;line-height:1.1;letter-spacing:.18em;margin-bottom:22px}
:lang(en) .hero h1{letter-spacing:.03em}
.hero h1 .en{display:block;font:15px/1 var(--latin);letter-spacing:.34em;color:var(--ink-3);margin-top:14px;text-transform:uppercase}
.tagline{font-family:var(--serif);font-size:23px;line-height:1.7;letter-spacing:.04em}
:lang(en) .tagline{font-family:var(--latin);font-size:24px;line-height:1.5;letter-spacing:0}
.tagline em{font-style:normal;color:var(--accent)}
.sub{color:var(--ink-2);margin-top:14px;max-width:30em}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px;margin-top:32px}
/* "Coming soon" placeholder that mimics the badge footprint */
.store{display:inline-flex;align-items:center;gap:12px;min-height:52px;padding:8px 20px 8px 16px;border:1px solid var(--ink);border-radius:12px;color:var(--ink);text-decoration:none;cursor:default}
.store svg{width:24px;height:24px;flex:none}
.store span{display:flex;flex-direction:column;line-height:1.2}
.store small{font-size:11px;letter-spacing:.12em;color:var(--ink-2)}
.store b{font:500 19px/1.2 var(--latin);letter-spacing:.01em}
.text-link{font-size:15px;color:var(--ink-2);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:2px}
.hero-visual{position:relative;display:flex;justify-content:center;padding:28px 0 8px;margin:0 calc(-1 * var(--pad-r)) 0 calc(-1 * var(--pad));overflow:hidden}
.hero-visual picture.sand{position:absolute;inset:0;z-index:0}
.hero-visual picture.sand img{width:100%;height:100%;object-fit:cover;object-position:0 50%;-webkit-mask-image:radial-gradient(ellipse 90% 80% at 45% 55%,#000 55%,transparent 100%);mask-image:radial-gradient(ellipse 90% 80% at 45% 55%,#000 55%,transparent 100%)}

/* phone frame around real screenshots */
.phone{position:relative;z-index:1;width:min(64vw,256px);padding:7px;border-radius:44px;background:var(--frame);box-shadow:0 30px 60px -30px rgba(50,35,20,.45),0 2px 6px rgba(0,0,0,.08)}
.phone img{width:100%;aspect-ratio:1320/2868;border-radius:37px;background:var(--card)}
.phone.sm{width:100%;padding:5px;border-radius:32px}
.phone.sm img{border-radius:27px}

/* sections */
section{padding:72px 0}
.sec-head{margin-bottom:36px;max-width:34em}
.sec-head .num{display:block;font:13px/1 var(--latin);letter-spacing:.3em;color:var(--accent);margin-bottom:16px}
.sec-head h2{font-size:30px;line-height:1.45}
.sec-head p{color:var(--ink-2);margin-top:12px}
.rule{height:1px;background:var(--line);border:0;margin:0}

.pillars{list-style:none;margin:0;padding:0;display:grid;gap:0}
.pillars li{padding:28px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:44px 1fr;gap:4px 18px}
.pillars li:last-child{border-bottom:1px solid var(--line)}
.pillars svg{width:36px;height:36px;grid-row:span 2;margin-top:4px;stroke:var(--ink);fill:none;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.pillars svg .dot{fill:var(--accent);stroke:none}
.pillars h3{font-size:22px;line-height:1.5}
.pillars p{color:var(--ink-2)}

/* gallery */
.gallery{background:var(--paper-2)}
.shots{list-style:none;margin:0;padding:6px var(--pad-r) 18px var(--pad);display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-left:var(--pad);-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--line) transparent;overscroll-behavior-x:contain}
.shots li{flex:0 0 min(58vw,232px);scroll-snap-align:start}
.shots figure{margin:0}
.shots figcaption{margin-top:18px;padding-right:6px}
.shots figcaption b{display:block;font:500 17px/1.5 var(--serif)}
:lang(en) .shots figcaption b{font-family:var(--latin);font-size:18px}
.shots figcaption span{display:block;font-size:14px;line-height:1.7;color:var(--ink-2);margin-top:4px}
.shots-max{max-width:calc(1080px + 0px);margin:0 auto}
.hint{font-size:13px;color:var(--ink-3);margin-top:8px}
.note{font-size:13px;color:var(--ink-3)}

/* story */
.story .wrap{max-width:720px}
.story-body{font-family:var(--serif);font-size:18px;line-height:2.05}
:lang(en) .story-body{font-family:var(--latin);font-size:19px;line-height:1.8}
.story-body p+p{margin-top:1.1em}
.story-body .turn{color:var(--ink);padding-left:16px;border-left:2px solid var(--accent)}
.sign{margin-top:28px;font-size:15px;color:var(--ink-2);font-family:var(--latin);letter-spacing:.06em}

/* principles */
.nots{list-style:none;margin:0;padding:0;counter-reset:n}
.nots li{display:flex;align-items:baseline;gap:18px;padding:18px 0;border-top:1px solid var(--line);font-family:var(--serif);font-size:19px}
:lang(en) .nots li{font-family:var(--latin)}
.nots li:last-child{border-bottom:1px solid var(--line)}
.nots li::before{content:"";flex:none;width:18px;height:1px;background:var(--ink-3);transform:translateY(-6px)}
.nots small{display:block;font:14px/1.7 var(--sans);color:var(--ink-2);margin-top:2px}
:lang(en) .nots small{font-family:var(--latin);font-size:15px}
.question{margin-top:36px;font-family:var(--serif);font-size:19px;line-height:1.9;color:var(--ink)}
:lang(en) .question{font-family:var(--latin)}
.question em{font-style:normal;color:var(--accent)}
.principles-grid{display:grid;gap:12px}
.mu{display:none}

/* closing */
.closing{text-align:center;padding:88px 0 80px}
.closing img{width:72px;height:72px;border-radius:16px;margin:0 auto 26px;box-shadow:0 10px 30px -14px rgba(60,40,20,.4),0 0 0 1px rgba(0,0,0,.05)}
.closing h2{font-size:30px;letter-spacing:.12em}
:lang(en) .closing h2{letter-spacing:.01em}
.closing p{color:var(--ink-2);margin:12px auto 0;max-width:26em}
.closing .cta{justify-content:center}

/* footer */
.site-foot{border-top:1px solid var(--line);padding:32px 0 max(32px,env(safe-area-inset-bottom));font-size:13px;line-height:1.9;color:var(--ink-3)}
.site-foot .wrap{display:flex;flex-direction:column;gap:12px}
.site-foot nav{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:14px;color:var(--ink-2)}
.site-foot nav a{text-decoration:none}
.site-foot a[href^=mailto]{color:var(--ink-2)}
.site-foot .icp{margin:0;font-size:12px;letter-spacing:.02em;color:var(--ink-3)}
.site-foot .icp a{color:var(--ink-3);text-decoration:none}
.site-foot .icp a:hover{text-decoration:underline}
.legal{font-family:var(--latin)}

/* document pages: privacy / support */
.doc{padding:28px 0 64px}
.doc .wrap{max-width:760px}
.doc .eyebrow{font:12px/1.7 var(--latin);letter-spacing:.3em;color:var(--ink-3);text-transform:uppercase;margin:24px 0 0}
.doc h1{font-size:36px;line-height:1.35;margin:14px 0 26px}
:lang(en) .doc h1{font-size:38px}
.doc .lead{font-family:var(--serif);font-size:19px;line-height:1.95;padding-bottom:26px;border-bottom:1px solid var(--line)}
:lang(en) .doc .lead{font-family:var(--latin);font-size:20px;line-height:1.7}
.doc h2{font-size:20px;line-height:1.5;margin:38px 0 10px}
.doc p,.doc li{color:var(--ink);max-width:40em}
.doc p+p{margin-top:12px}
.doc a{color:var(--accent)}
.doc article>.eyebrow:last-child{margin-top:40px;letter-spacing:.12em;text-transform:none;font-family:var(--sans)}
.doc-nav{display:flex;gap:10px;margin-top:6px;font-size:14px}
.doc-nav a{text-decoration:none;color:var(--ink-2);border:1px solid var(--line);border-radius:999px;padding:3px 14px}
.doc-nav a[aria-current]{color:var(--ink);border-color:var(--ink)}

/* ≥ 720px */
@media (min-width:720px){
  .hero{padding:72px 0 40px}
  .hero .wrap{grid-template-columns:1.05fr .95fr;align-items:center;gap:40px}
  .hero h1{font-size:72px}
  .tagline{font-size:28px}
  :lang(en) .tagline{font-size:30px}
  .hero-visual{margin:0;padding:40px 0;border-radius:4px}
  .phone{width:288px}
  section{padding:112px 0}
  .sec-head{margin-bottom:52px}
  .sec-head h2{font-size:36px}
  .pillars{grid-template-columns:repeat(3,1fr);gap:40px}
  .pillars li,.pillars li:last-child{display:block;border-bottom:0;padding:32px 0 0}
  .pillars svg{margin:0 0 22px}
  .pillars h3{margin-bottom:10px}
  .shots{padding-left:max(var(--pad),calc((100vw - 1080px)/2 + 24px));scroll-padding-left:max(var(--pad),calc((100vw - 1080px)/2 + 24px));gap:32px}
  .shots li{flex-basis:236px}
  .story-body{font-size:20px}
  .principles-grid{grid-template-columns:200px 1fr;gap:48px;align-items:start}
  .mu{display:block;font:300 168px/1 var(--serif);color:var(--line);margin-top:-12px;user-select:none}
  .closing{padding:128px 0 112px}
  .closing h2{font-size:36px}
  .site-foot .wrap{flex-direction:row;justify-content:space-between;align-items:flex-start}
  .doc h1{font-size:44px}
}
@media (min-width:1100px){.hero h1{font-size:80px}}