/* Robotoku — brochure site v0
   Palette from 02-brand-foundations-v0.md §7b: Snow #F7F4EF, Sand #E8DCCB, Eye Blue #2A64A8 (the one accent).
   Ink is a warm sumi black. */
:root{
  --washi:#F7F4EF;
  --sand:#E8DCCB;
  --sumi:#1E1B18;
  --sumi-soft:#5A524B;
  --ai:#2A64A8;
  --ja:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;
  --en:"EB Garamond","Garamond","Times New Roman",serif;
  --measure:34rem;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--washi);color:var(--sumi);
  font-family:var(--ja);font-weight:400;font-size:17px;line-height:1.95;
  letter-spacing:.04em;font-feature-settings:"palt" 0;
  -webkit-font-smoothing:antialiased;
}
/* faint paper fibre: tiled SVG noise at very low opacity, no gradients */
body{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");
}
main,header,footer{position:relative;z-index:1}
[lang="en"],.en{font-family:var(--en);letter-spacing:.01em}
a{color:var(--ai);text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:1px}
a:hover,a:focus-visible{color:var(--sumi)}
:focus-visible{outline:1px solid var(--ai);outline-offset:4px}

/* language modes */
html[data-lang="ja"] .en{display:none!important}
html[data-lang="en"] .ja{display:none!important}
html[data-lang="ja"] .q-en{display:none}
html[data-lang="en"] .q-ja{display:none}

/* masthead */
.masthead{
  display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;
  padding:2.4rem clamp(1.5rem,6vw,6rem) 0;
}
.wordmark{border:0;color:var(--sumi);display:flex;align-items:baseline;gap:.9rem}
.wm-ja{font-family:var(--ja);font-weight:500;font-size:1.35rem;letter-spacing:.32em}
.wm-en{font-family:var(--en);font-size:.95rem;letter-spacing:.28em;text-transform:uppercase;color:var(--sumi-soft)}
.controls{display:flex;align-items:center;gap:1.6rem}
.lang{display:flex;align-items:center;gap:.15rem}
.lang .sep{color:var(--sand);font-family:var(--en);font-size:.9rem;padding:0 .1rem}
.lang button{
  font:inherit;font-size:.8rem;letter-spacing:.12em;line-height:1;
  background:none;border:0;color:var(--sumi-soft);cursor:pointer;padding:.55rem .45rem;
}
.lang button[lang="ja"]{font-family:var(--ja)}
.lang button[lang="en"]{font-family:var(--en);font-size:.88rem;letter-spacing:.08em}
.lang button[aria-pressed="true"]{color:var(--sumi);text-decoration:underline;text-decoration-color:var(--ai);text-decoration-thickness:1px;text-underline-offset:.55em}
.lang button:hover{color:var(--sumi)}
.portal{
  position:relative;display:inline-flex;align-items:center;border:1px solid var(--sumi-soft);color:var(--sumi);
  padding:.5rem .95rem;font-size:.76rem;letter-spacing:.16em;line-height:1;border-radius:0;
  transition:border-color .2s,color .2s;
}
.portal .en{font-family:var(--en);font-size:.86rem;letter-spacing:.1em}
.portal::after{content:"";position:absolute;inset:-7px -4px}
.portal:hover,.portal:focus-visible{border-color:var(--ai);color:var(--ai)}

/* hero */
.hero{
  min-height:88vh;display:grid;
  grid-template-columns:1fr auto;grid-template-rows:1fr auto;
  padding:4rem clamp(1.5rem,6vw,6rem) 5rem;column-gap:4rem;
}
.tagline{margin:0;font-weight:300;display:contents}
.tagline .ja{
  grid-column:2;grid-row:1 / span 2;justify-self:end;
  font-family:var(--ja);font-weight:300;font-size:clamp(3rem,6.2vw,5.4rem);
  line-height:1.6;letter-spacing:.18em;
}
.tate{writing-mode:vertical-rl;text-orientation:upright}
.tate br{display:block}
.tagline .en{
  grid-column:1;grid-row:2;align-self:end;
  font-family:var(--en);font-style:italic;font-weight:400;
  font-size:clamp(1.6rem,2.6vw,2.2rem);line-height:1.35;letter-spacing:.01em;
}
.hero-note{
  grid-column:1;grid-row:1;align-self:center;margin:0;max-width:24rem;
  color:var(--sumi-soft);font-size:.98rem;
}
.hero-note .en{display:block;margin-top:.9rem;font-size:1.06rem;line-height:1.6}
.hero-note .ja{display:block}

/* why */
.why{
  max-width:var(--measure);margin:0 auto;padding:8rem 1.5rem 9rem;
}
.why p{margin:0 0 1.8rem}
.why p.ja{font-size:1.08rem}
.why p.en{font-size:1.18rem;line-height:1.65;color:var(--sumi-soft)}
.why p.ja + p.en{margin-top:3.2rem}
.rule{width:1px;height:5rem;background:var(--sumi);margin:0 0 4rem}

/* section heading */
.section-h{
  font-weight:400;font-size:.82rem;letter-spacing:.4em;margin:0 0 3.5rem;
  display:flex;gap:1.4rem;align-items:baseline;color:var(--sumi-soft);
}
.section-h .en{font-size:.92rem;letter-spacing:.18em;text-transform:uppercase}
.section-h::before{content:"";width:1.6rem;height:1px;background:var(--ai);align-self:center}

/* quotes */
.quotes{
  border-top:1px solid var(--sand);border-bottom:1px solid var(--sand);
  padding:7rem clamp(1.5rem,6vw,6rem);
}
.quote-list{list-style:none;margin:0 auto;padding:0;max-width:46rem;counter-reset:q}
.quote-list li{counter-increment:q;position:relative;padding:0 0 5.5rem 4.5rem}
.quote-list li:last-child{padding-bottom:0}
.quote-list li::before{
  content:counter(q,cjk-ideographic);position:absolute;left:0;top:.35rem;
  font-family:var(--ja);font-size:.85rem;color:var(--ai);letter-spacing:0;
}
.quote-list li:nth-child(even){margin-left:clamp(0rem,8vw,7rem)}
figure{margin:0}
blockquote{margin:0}
.q-ja{margin:0;font-size:clamp(1.35rem,2.4vw,1.75rem);line-height:1.75;font-weight:400;letter-spacing:.08em}
.q-en{margin:.6rem 0 0;font-family:var(--en);font-style:italic;font-size:1.22rem;line-height:1.5;color:var(--sumi)}
.q-lead{margin:0;font-size:clamp(1.3rem,2.2vw,1.6rem);line-height:1.5}
.q-sub{margin:.9rem 0 0;font-size:1rem;line-height:1.9;color:var(--sumi-soft);letter-spacing:.04em}
html[data-lang="ja"] .q-sub{font-size:clamp(1.2rem,2vw,1.45rem);color:var(--sumi)}
figcaption{margin-top:1.2rem;font-size:.82rem;color:var(--sumi-soft);line-height:1.7}
figcaption > span{display:block}
figcaption .en{font-size:.92rem}
figcaption .tr{font-family:var(--en);font-size:.8rem;font-style:italic;opacity:.85}
figcaption .tr.ja{font-family:var(--ja);font-style:normal}

/* soon + contact */
.soon,.contact{max-width:var(--measure);margin:0 auto;padding:7rem 1.5rem 0}
.soon p{margin:0 0 .6rem}
.soon p.en{font-size:1.15rem;color:var(--sumi-soft)}
.contact{padding-bottom:9rem}
.mail{font-family:var(--en);font-size:1.4rem;letter-spacing:.04em}

/* footer */
.foot{
  padding:2rem clamp(1.5rem,6vw,6rem) 2.6rem;font-family:var(--en);
  font-size:.85rem;letter-spacing:.12em;color:var(--sumi-soft);
}
.foot p{margin:0}
.foot [lang="ja"]{font-family:var(--ja);margin-left:.6rem;letter-spacing:.2em}

/* motion: a single, quiet fade on load */
@media (prefers-reduced-motion:no-preference){
  .tagline .ja,.tagline .en,.hero-note{animation:sumi 1.6s ease-out both}
  .tagline .en{animation-delay:.5s}
  .hero-note{animation-delay:.9s}
  @keyframes sumi{from{opacity:0}to{opacity:1}}
}

/* single-language hero tweaks */
@media (min-width:721px){
  html[data-lang="en"] .hero{grid-template-columns:1fr;min-height:76vh}
  html[data-lang="en"] .tagline .en{grid-row:1;align-self:center;font-size:clamp(2.4rem,5vw,4.2rem)}
  html[data-lang="en"] .hero-note{grid-row:2;align-self:end}
}
@media (max-width:720px){
  html[data-lang="en"] .tagline .en{grid-row:1;font-size:2.6rem}
  html[data-lang="en"] .hero-note{grid-row:2}
}

/* mobile */
@media (max-width:720px){
  body{font-size:16px}
  .masthead{padding-top:1.4rem;row-gap:.8rem}
  .controls{gap:.9rem}
  .lang button{padding:.85rem .45rem;min-height:44px}
  .portal{padding:.55rem .8rem;letter-spacing:.1em}
  .hero{min-height:auto;grid-template-columns:1fr;grid-template-rows:auto;padding:4rem 1.5rem 5rem;row-gap:2.5rem}
  .tagline .ja{grid-column:1;grid-row:1;justify-self:start;font-size:3.1rem;height:auto}
  .tate{writing-mode:vertical-rl}
  .tagline .en{grid-column:1;grid-row:2}
  .hero-note{grid-column:1;grid-row:3}
  .why{padding:5rem 1.5rem 6rem}
  .quotes{padding:5rem 1.5rem}
  .quote-list li{padding-left:2.4rem;padding-bottom:4rem}
  .quote-list li:nth-child(even){margin-left:0}
  .soon,.contact{padding-top:5rem}
}
@media print{body{background-image:none}.lang{display:none}}

/* natural Japanese line breaks (Chrome 119+: phrase-aware; others fall back) */
[lang="ja"],.ja,.q-ja{word-break:auto-phrase;line-break:strict}
.q-ja,.q-en,.why p,.hero-note{text-wrap:pretty}