:root{
  --bg:#f7f6f3; --surface:#ffffff; --ink:#16161a; --muted:#6b6b72; --line:#e4e2dc;
  --accent:#c8102e; --accent-soft:#f6e7e9; --jade:#2f6f5e; --jade-soft:#e5f0ec;
  --radius:14px; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:Inter,"Noto Sans JP",system-ui,sans-serif;font-weight:400;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* header */
header{position:sticky;top:0;z-index:20;background:rgba(247,246,243,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center}
.logo img{height:30px;width:auto}
.flogo{height:25px;width:auto}
.logo span{color:var(--accent)}
.links{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.links a:hover{color:var(--ink)}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;font-size:12px}
.lang a{padding:6px 11px;color:var(--muted)}
.lang a:hover{color:var(--ink)}
.lang a.on{background:var(--ink);color:#fff}

/* hero */
.hero{padding:110px 0 90px;text-align:center}
.eyebrow{font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--muted)}
.hero .kicker{margin:26px auto 0;font-size:13px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);max-width:none}
.hero h1{font-weight:300;font-size:clamp(36px,6vw,68px);line-height:1.08;letter-spacing:-.02em;margin:14px auto 22px;max-width:18ch}
.slogan,.fslogan{font-style:italic}
.fslogan{margin-top:10px}
.slogan [lang=en],.fslogan [lang=en]{font-family:Inter,system-ui,sans-serif}
address{font-style:normal;line-height:1.7}
address a{color:var(--ink)}
.hero p{color:var(--muted);max-width:56ch;margin:0 auto;font-size:17px}
.enso{width:64px;height:64px;margin:0 auto;border:2px solid var(--accent);border-radius:50%;border-right-color:transparent;transform:rotate(-30deg)}
.cta{display:inline-flex;gap:12px;margin-top:36px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-size:14px;font-weight:500;border:1px solid var(--ink);transition:.2s}
.btn.dark{background:var(--ink);color:#fff}
.btn.dark:hover{background:#000}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.red{background:var(--accent);border-color:var(--accent);color:#fff}

section{padding:90px 0}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-weight:300;font-size:clamp(28px,3.6vw,42px);letter-spacing:-.01em}
.sec-head p{color:var(--muted);max-width:44ch}

/* image slot */
.slot{position:relative;background:linear-gradient(145deg,#ecebe6,#f9f8f5);border:1px solid var(--line);border-radius:var(--radius);display:grid;place-items:center;overflow:hidden;aspect-ratio:4/3}
.slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:8%;background:#fff}
.slot.fill img{object-fit:cover;padding:0}
.phone.shot{padding:0;overflow:hidden;aspect-ratio:9/16;background:#faf8f4;display:block}
.phone.shot img{width:100%;height:100%;object-fit:cover;display:block}
.slot .ph{display:flex;flex-direction:column;align-items:center;gap:10px;color:#a3a29b;font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.slot svg{width:56px;height:56px;stroke:#b9b8b1;fill:none;stroke-width:1.4}

/* featured keyboard */
.feature{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:44px;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.badge{display:inline-block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;padding:6px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:600}
.badge.jade{background:var(--jade-soft);color:var(--jade)}
.badge.grey{background:#efeee9;color:var(--muted)}
.feature .h3{font-weight:400;font-size:32px;line-height:1.2;margin:16px 0 12px}
.feature .lead{color:var(--muted);margin-bottom:22px}
.keys{display:flex;gap:6px;margin:4px 0 22px}
.keys b{width:40px;height:40px;border:1px solid var(--line);border-bottom-width:3px;border-radius:8px;display:grid;place-items:center;font-weight:500;background:#fbfaf7}
.keys b.hi{border-color:var(--accent);color:var(--accent)}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;border-top:1px solid var(--line);margin-bottom:26px}
.specs div{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.specs dt{color:var(--muted);font-size:12px}
.note{font-size:12px;color:var(--muted);margin-top:14px}

/* app */
.app{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.phone{max-width:300px;margin:0 auto;aspect-ratio:9/18.5;border-radius:38px;border:10px solid var(--ink);background:#fff;padding:26px 20px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;box-shadow:0 30px 60px -30px rgba(0,0,0,.35)}
.hanzi{font-family:"Noto Sans JP",serif;font-size:96px;font-weight:300;line-height:1;color:var(--jade)}
.pinyin{font-size:20px;letter-spacing:.06em}
.gloss{color:var(--muted);font-size:14px}
.strokes{display:flex;gap:6px;margin-top:8px}
.strokes i{width:26px;height:26px;border:1px dashed #cfd9d4;border-radius:5px;display:block}
.app .h3{font-weight:400;font-size:32px;margin:16px 0 12px}
.ticks{list-style:none;margin:20px 0 26px}
.ticks li{padding:10px 0;border-bottom:1px solid var(--line);display:flex;gap:12px}
.ticks li:before{content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:50%;background:var(--jade)}

/* grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;display:flex;flex-direction:column}
.card h4{font-weight:500;font-size:18px;margin:18px 0 6px}
.card p{color:var(--muted);font-size:14px}
.card ul{list-style:none;margin:14px 0 18px;font-size:13px}
.card li{padding:6px 0;border-top:1px solid var(--line)}
.card .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center}
.card .foot a{font-size:13px;font-weight:500;border-bottom:1px solid var(--ink)}

/* values */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.values div{background:var(--surface);padding:30px 24px}
.values .h5{font-weight:500;font-size:15px;margin-bottom:6px}
.values p{color:var(--muted);font-size:14px}
.kanji{font-family:"Noto Sans JP";font-size:26px;font-weight:300;color:var(--accent);display:block;margin-bottom:10px}

footer{border-top:1px solid var(--line);padding:50px 0;font-size:13px;color:var(--muted)}
.fgrid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}

@media (max-width:900px){
  .links{display:none}
  .feature,.app{grid-template-columns:1fr;padding:28px}
  .feature{padding:24px}
  .grid{grid-template-columns:1fr}
  .values{grid-template-columns:1fr 1fr}
  section{padding:64px 0}
  .hero{padding:72px 0 56px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .specs{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
}
.cat{display:block;margin-top:16px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600}
.card h4{margin-top:6px}
.grid{grid-template-columns:repeat(5,1fr);gap:18px}
@media (max-width:1100px){.grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.grid{grid-template-columns:1fr}}
.about{display:grid;grid-template-columns:1fr 1.3fr;gap:48px}
.about h2{font-weight:300;font-size:clamp(28px,3.6vw,42px);line-height:1.15;margin-top:12px}
.about p{color:var(--muted);margin-bottom:16px;font-size:16px}
@media (max-width:900px){.about{grid-template-columns:1fr;gap:16px}}
/* pages v2 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:28px;display:flex;flex-direction:column;gap:14px}
.tile h3{font-weight:400;font-size:26px;line-height:1.2}
.tile p{color:var(--muted)}
.tile .slot{aspect-ratio:16/10}
.tile .more{margin-top:auto;font-size:14px;font-weight:500;border-bottom:1px solid var(--ink);align-self:flex-start}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.chip{display:inline-block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600}
.page-head{padding:90px 0 40px}
.page-head h1{font-weight:300;font-size:clamp(34px,5vw,56px);letter-spacing:-.02em;margin-top:14px}
.page-head p{color:var(--muted);max-width:60ch;margin-top:14px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.filters button{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 16px;font:inherit;font-size:13px;cursor:pointer;color:var(--muted)}
.filters button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.plist{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plist .card .cta2{margin-top:auto;padding-top:14px}
.plist .card .cta2 .btn.sm{padding:10px 18px;font-size:13px}
.teaser{display:grid;grid-template-columns:1fr 1.3fr;gap:48px;align-items:start}
.teaser h2{font-weight:300;font-size:clamp(28px,3.6vw,42px);line-height:1.15;margin-top:12px}
.teaser p{color:var(--muted);margin-bottom:16px}
.links a.cur{color:var(--ink)}
@media (max-width:900px){.split,.trio,.plist,.teaser{grid-template-columns:1fr}}
@media (min-width:600px) and (max-width:900px){.plist,.trio{grid-template-columns:1fr 1fr}}
.tm{font-size:11px;margin-top:6px;max-width:30ch}
@media (min-width:1101px){.plist{grid-template-columns:repeat(4,1fr)}.plist .card.feat{grid-column:span 2}.plist .card.feat .slot{aspect-ratio:2/1}}
@media (min-width:901px) and (max-width:1100px){.plist{grid-template-columns:repeat(3,1fr)}}

/* Japanese pages */
html[lang="ja"] body{font-family:"Noto Sans JP",Inter,system-ui,sans-serif;line-height:1.8}
html[lang="ja"] .hero h1{line-height:1.12}
html[lang="ja"] .hero .kicker{letter-spacing:.12em;font-size:15px}
html[lang="ja"] body{line-break:strict}
html[lang="ja"] h1,html[lang="ja"] h2,html[lang="ja"] .h3{word-break:keep-all;overflow-wrap:anywhere}

/* contact */
.contact{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:start}
.cform{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:36px;display:grid;gap:18px}
.cform label{display:grid;gap:6px;font-size:13px;color:var(--muted)}
.cform input,.cform textarea{font:inherit;font-size:15px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 14px;width:100%}
.cform input:focus,.cform textarea:focus{outline:2px solid var(--ink);outline-offset:1px;border-color:transparent}
.cform textarea{resize:vertical}
.cform .btn{justify-self:start;cursor:pointer}
.cform .btn:disabled{opacity:.6;cursor:wait}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.fnote{font-size:12px;color:var(--muted)}
.fstatus{font-size:14px;min-height:1.4em}
.fstatus.ok{color:var(--jade)} .fstatus.err{color:var(--accent)}
.caddr{padding-top:8px}
.caddr .h5{font-weight:500;font-size:15px;margin-bottom:10px}
@media (max-width:900px){.contact{grid-template-columns:1fr}.cform{padding:24px}}
@media (max-width:900px){.links{display:none}}

/* legal */
.legal .wrap{max-width:760px}
.legal h1{margin-bottom:6px}
.legal .updated{color:var(--muted);font-size:13px;margin:0 0 28px}
.legal h2{font-weight:500;font-size:19px;margin:34px 0 10px}
.legal p,.legal li{color:#3b3b42;line-height:1.75;max-width:none;margin-top:0}
.legal ul{padding-left:20px;margin:6px 0 12px}
.legal li{margin-bottom:8px}
.legal a,.fnote a{text-decoration:underline;text-underline-offset:2px}
.caddr .h5+address+.h5,.caddr address+.h5{margin-top:26px}
.cmail{font-size:14px;line-height:1.6;margin:0 0 12px;color:var(--muted)}
.cmail a{color:var(--ink);border-bottom:1px solid currentColor}