:root{
  --paper:#f6f4ef;
  --paper-2:#eeebe3;
  --ink:#141414;
  --grey:#5f5c56;
  --mute:#8d8981;
  --line:#d5d1c7;
  --red:#d6432b;
  --red-deep:#b8351f;
  --sans:"Zen Kaku Gothic New",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"Martian Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --mincho:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif;
  --w:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:72px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
/* four-column rule lines behind everything */
body::before{
  content:"";position:fixed;top:0;bottom:0;left:0;right:0;z-index:-1;pointer-events:none;
  width:min(var(--w),100% - 48px);margin-inline:auto;opacity:.5;
  background:linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/25% 100%;border-right:1px solid var(--line);
}
h1,h2,h3,p,dl,dd,ol,ul{margin:0}
ol,ul{padding:0;list-style:none}
a{color:inherit}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.wrap{width:min(var(--w),100% - 48px);margin-inline:auto}
.mono{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--grey)}
.mono b{color:var(--red);font-weight:500;margin-right:.9em}
.mono b.sq{display:inline-block;width:8px;height:8px;background:var(--red);vertical-align:.02em}
.arrow{width:1em;height:1em;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:square}

/* bar */
.bar{position:sticky;top:0;z-index:30;background:rgba(246,244,239,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--ink)}
.bar-in{display:flex;align-items:center;justify-content:space-between;height:60px;gap:24px}
.mark{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-weight:900;font-size:19px;letter-spacing:-.02em;text-transform:uppercase}
.seal{display:inline-grid;place-items:center;width:30px;height:30px;background:var(--red);color:#fff;border-radius:5px;font-family:var(--mincho);font-weight:800;font-size:12px;line-height:1.02;letter-spacing:0;writing-mode:vertical-rl;transform:rotate(-4deg)}
.bar nav{display:flex;gap:34px}
.bar nav a{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;text-decoration:none;color:var(--grey);transition:color .15s}
.bar nav a i{font-style:normal;color:var(--red);margin-right:.7em}
.bar nav a:hover{color:var(--ink)}
.cta-sm{display:inline-flex;align-items:center;gap:10px;height:36px;padding:0 16px;background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;text-decoration:none;transition:background .15s}
.cta-sm:hover{background:var(--red)}

/* hero */
.hero-in{display:grid;grid-template-columns:3fr 1fr;min-height:min(74vh,720px)}
.hero-main{padding:92px 48px 84px 0}
h1{font-weight:900;font-size:clamp(44px,7.3vw,108px);line-height:.99;letter-spacing:-.04em;margin-top:28px;text-wrap:balance}
h1 span{color:var(--red)}
.lede{max-width:610px;margin-top:34px;font-size:clamp(17px,1.5vw,20px);color:var(--grey)}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px 30px;margin-top:40px}
.btn{display:inline-flex;align-items:center;gap:14px;height:56px;padding:0 26px;background:var(--ink);color:var(--paper);font-weight:700;font-size:16.5px;text-decoration:none;transition:background .15s}
.btn .arrow{transition:transform .25s}
.btn:hover{background:var(--red)}
.btn:hover .arrow{transform:translateX(5px)}
.link{font-weight:700;font-size:16.5px;text-decoration:none;border-bottom:2px solid var(--ink);padding-bottom:3px;transition:color .15s,border-color .15s}
.link:hover{color:var(--red);border-color:var(--red)}
.hero-side{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-end;padding:76px 0 84px 24px}
.kanji{font-family:var(--mincho);font-weight:800;font-size:clamp(120px,14.5vw,214px);line-height:1.04;writing-mode:vertical-rl;position:relative}
.kanji::after{content:"";position:absolute;left:-12px;bottom:-12px;width:26px;height:26px;background:var(--red);border-radius:4px;transform:rotate(-6deg)}
.def{font-family:var(--mono);font-size:11.5px;line-height:1.7;letter-spacing:.03em;color:var(--grey);text-align:right;max-width:210px;margin-top:40px}
.def dt{color:var(--ink);font-weight:500;letter-spacing:.09em;text-transform:uppercase}

.strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.strip a{display:flex;align-items:baseline;gap:14px;padding:20px 18px 20px 14px;text-decoration:none;font-weight:700;font-size:17px;transition:background .15s,color .15s}
.strip li + li a{border-left:1px solid var(--line)}
.strip a b{font-family:var(--mono);font-size:11.5px;font-weight:500;color:var(--red);transition:color .15s}
.strip a:hover{background:var(--ink);color:var(--paper)}
.strip a:hover b{color:var(--paper)}

/* sections */
.sec{padding:118px 0 124px}
.sec-head{display:grid;grid-template-columns:1fr 3fr;align-items:start;margin-bottom:64px}
.sec-head .mono{padding-top:14px}
h2{font-weight:900;font-size:clamp(34px,4.7vw,66px);line-height:1.02;letter-spacing:-.035em;text-wrap:balance}
.sec-head p:not(.mono){margin-top:22px;max-width:560px;color:var(--grey);font-size:18px}

/* work rows */
.rows{border-top:1px solid var(--ink)}
.rows li{display:grid;grid-template-columns:1fr 1.25fr 1.5fr .25fr;align-items:baseline;padding:34px 0 36px;border-bottom:1px solid var(--line);transition:background .2s,color .2s}
.rows li > *{padding-inline:14px}
.rows .idx{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.09em;color:var(--red);transition:color .2s}
.rows h3{font-weight:700;font-size:clamp(22px,2.2vw,29px);line-height:1.15;letter-spacing:-.02em}
.rows p{color:var(--grey);font-size:16.5px;transition:color .2s}
.rows .tag{font-family:var(--mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;text-align:right;color:var(--mute);transition:color .2s}
.rows li:hover{background:var(--ink);color:var(--paper)}
.rows li:hover p,.rows li:hover .tag{color:#bdb8ad}
.rows li:hover .idx{color:#ff7a5f}

/* loop */
.loop{background:var(--paper-2);border-block:1px solid var(--ink)}
.loop-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.steps{border-top:1px solid var(--ink);margin-top:8px}
.steps li{display:grid;grid-template-columns:64px 110px 1fr;align-items:baseline;gap:0;padding:22px 14px 22px 0;border-bottom:1px solid var(--line);border-left:3px solid transparent;cursor:default;transition:border-color .3s,background .3s}
.steps li span{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.09em;color:var(--mute);padding-left:12px;transition:color .3s}
.steps li strong{font-weight:900;font-size:21px;letter-spacing:-.02em}
.steps li p{color:var(--grey);font-size:16px}
.steps li.on{border-left-color:var(--red);background:rgba(255,255,255,.55)}
.steps li.on span{color:var(--red)}
.dial{display:grid;place-items:center;padding:10px 0 10px 48px}
.dial svg{width:min(430px,100%);height:auto;overflow:visible}
.dial .seg{fill:none;stroke:var(--ink);stroke-width:2;transition:stroke .3s,stroke-width .3s}
.dial .head{fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:square;transition:stroke .3s,stroke-width .3s}
.dial text{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.12em;fill:var(--mute);transition:fill .3s}
.dial g.on .seg{stroke:var(--red);stroke-width:7}
.dial g.on .head{stroke:var(--red);stroke-width:4}
.dial g.on text{fill:var(--red)}
.dial .core{font-family:var(--mincho);font-weight:800;font-size:40px;letter-spacing:.04em;fill:var(--ink)}
.dial .core-sub{font-size:10px;fill:var(--grey)}

/* principles */
.cells{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink);border-left:1px solid var(--line)}
.cells article{padding:38px 34px 46px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}
.cells .mono{display:flex;justify-content:space-between;margin-bottom:52px}
.cells h3{font-weight:900;font-size:clamp(25px,2.6vw,35px);line-height:1.08;letter-spacing:-.03em;margin-bottom:14px}
.cells p:not(.mono){color:var(--grey);max-width:440px}

/* contact + footer */
.contact{background:var(--ink);color:var(--paper);padding:118px 0 0}
.contact .mono{color:#a39f95}
.contact h2{margin-top:26px;font-size:clamp(40px,6.6vw,96px)}
.contact .note{margin-top:22px;color:#b9b4a9;max-width:520px;font-size:18px}
.bigmail{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:64px;padding:30px 0;border-top:1px solid #4a4843;border-bottom:1px solid #4a4843;text-decoration:none;font-weight:700;font-size:clamp(20px,3.9vw,54px);letter-spacing:-.03em;line-height:1.1;transition:color .2s,padding .3s}
.bigmail span{overflow-wrap:anywhere}
.bigmail .arrow{font-size:.85em;stroke-width:1.5;transition:transform .3s}
.bigmail:hover{color:#ff7a5f;padding-left:14px}
.bigmail:hover .arrow{transform:translateX(-14px) rotate(-45deg)}
.copy{margin-top:22px;background:none;border:1px solid #5a5852;color:var(--paper);height:38px;padding:0 16px;cursor:pointer;font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;transition:background .15s,border-color .15s}
.copy:hover{background:var(--red);border-color:var(--red)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 32px;margin-top:112px;padding:26px 0 30px;border-top:1px solid #4a4843;font-family:var(--mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:#a39f95}
.foot nav{display:flex;flex-wrap:wrap;gap:10px 28px}
.foot a{text-decoration:none}
.foot a:hover{color:#ff7a5f}

/* legal pages */
body.plain::before{display:none}
.doc{padding:84px 0 120px}
.doc-grid{display:grid;grid-template-columns:1fr 3fr}
.doc-side{padding-right:24px}
.doc-side .mono{position:sticky;top:96px;line-height:2}
.doc-side a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--ink)}
.doc h1{font-size:clamp(42px,6.2vw,88px);margin-top:0}
.doc .intro{margin-top:30px;font-size:20px;max-width:680px}
.doc section{display:grid;grid-template-columns:70px 1fr;padding:30px 0;border-top:1px solid var(--line);max-width:760px}
.doc section:first-of-type{margin-top:54px;border-top-color:var(--ink)}
.doc section > span{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.09em;color:var(--red);padding-top:7px}
.doc h2{font-size:23px;letter-spacing:-.02em;line-height:1.25;margin-bottom:8px}
.doc section p,.doc section li{color:var(--grey);font-size:16.5px}
.doc section p + p{margin-top:12px}
.doc section ul{list-style:square;padding-left:20px;margin-top:8px}
.doc section li{margin-top:6px}
.doc section a{color:var(--red-deep)}
.doc-foot{background:var(--ink);color:var(--paper)}
.doc-foot .foot{margin-top:0;border-top:0}

/* reveal */
.js [data-rise]{opacity:0;transform:translateY(16px);transition:opacity .6s ease-out,transform .6s ease-out}
.js [data-rise].up{opacity:1;transform:none}

@media (max-width:980px){
  .hero-in{grid-template-columns:1fr;min-height:0}
  .hero-main{padding:64px 0 44px}
  .hero-side{flex-direction:row;align-items:flex-end;justify-content:space-between;padding:0 0 56px}
  .kanji{writing-mode:horizontal-tb;font-size:clamp(84px,22vw,150px);line-height:1}
  .def{margin-top:0}
  .sec-head{grid-template-columns:1fr;gap:18px}
  .sec-head .mono{padding-top:0}
  .rows li{grid-template-columns:56px 1fr;row-gap:8px}
  .rows li p{grid-column:2}
  .rows .tag{display:none}
  .loop-grid{grid-template-columns:1fr}
  .dial{padding:56px 0 0}
  .doc-grid{grid-template-columns:1fr;gap:26px}
  .doc-side .mono{position:static}
}
@media (max-width:760px){
  .bar nav{display:none}
  .sec{padding:84px 0 88px}
  .strip{grid-template-columns:1fr 1fr}
  .strip li:nth-child(3) a{border-left:0}
  .strip li:nth-child(n+3) a{border-top:1px solid var(--line)}
  .cells{grid-template-columns:1fr}
  .cells article{padding:30px 22px 36px}
  .cells .mono{margin-bottom:34px}
  .contact{padding-top:84px}
  .foot{margin-top:76px}
}
@media (max-width:520px){
  .wrap{width:calc(100% - 36px)}
  body::before{width:calc(100% - 36px)}
  .steps li{grid-template-columns:44px 1fr;row-gap:4px}
  .steps li p{grid-column:2}
  .doc section{grid-template-columns:48px 1fr}
  .strip a{padding:16px 10px;font-size:15.5px;gap:10px}
  .hero-side{flex-direction:column;align-items:flex-start;gap:26px}
  .def{text-align:left}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js [data-rise]{opacity:1;transform:none;transition:none}
}