@charset "UTF-8";
:root {
  color-scheme: light;
  --paper: #f7f9fc;
  --ink: #152238;
  --muted: #526178;
  --line: #cdd6e3;
  --accent: #2454db;
  --surface: #e8edf4;
  --surface-blue: #e1eafb;
  --night: #152b50;
  --on-night: #f7f9fc;
  --on-night-muted: #c2d0e6;
  --drawing: #788ba8;
  --drawing-light: #b8c7de;
  --white: #ffffff;
  --sans:
    -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic",
    sans-serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
}
html[lang="ja"] :is(p, li, figcaption, small.gesture-method) {
  line-break: strict;
  word-break: auto-phrase;
  text-wrap: pretty;
  overflow-wrap: break-word;
}
html[lang="ja"] .wrap :is(h2, h3) {
  word-break: auto-phrase;
  text-wrap: balance;
}
.copy-phrase {
  display: inline-block;
  white-space: nowrap;
  vertical-align: top;
}
.copy-term {
  display: inline;
  white-space: nowrap;
}
.copy-sentence {
  display: block;
}
html[lang="ja"] .wrap .copy-paragraph {
  word-break: normal;
  text-wrap: wrap;
}
a {
  color: inherit;
  text-underline-offset: 5px;
}
a:hover {
  color: var(--accent);
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
}
::selection {
  background: #c7d8ff;
}
.wrap {
  width: min(1120px, calc(100% - 96px));
  margin: auto;
}
.skip {
  position: absolute;
  left: 20px;
  top: -80px;
  background: var(--paper);
  padding: 10px;
  z-index: 10;
}
.skip:focus {
  top: 10px;
}
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 108px;
  border-bottom: 1px solid var(--line);
  gap: 24px;
}
.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  font-size: 27px;
  font-weight: 700;
  letter-spacing: -1.4px;
  line-height: 1;
}
.brand img {
  width: 27px;
  height: 32px;
}
.site-nav {
  display: flex;
  gap: 30px;
  font-size: 12px;
}
.site-nav a {
  text-decoration: none;
  padding: 10px 0;
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 30px;
  align-items: center;
  padding: 90px 0 70px;
  min-height: 560px;
}
.kicker,
.project-number {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.6px;
}
.kicker {
  color: var(--accent);
  margin: 0 0 28px;
}
.hero h1 {
  font-size: clamp(32px, 3.5vw, 48px);
  line-height: 1.65;
  letter-spacing: 0.035em;
  font-weight: 600;
  margin: 0 0 28px;
}
.hero-copy {
  font-size: 14px;
  line-height: 2.15;
  color: var(--muted);
  margin: 0 0 30px;
}
.text-link {
  font-size: 12px;
  text-decoration: none;
  display: inline-flex;
  gap: 28px;
  align-items: center;
  border-bottom: 1px solid var(--ink);
  padding: 7px 0;
}
.text-link span {
  font-size: 18px;
}
.projects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.project {
  min-width: 0;
}
.project-visual {
  height: 225px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 22px;
}
.project-number {
  position: absolute;
  top: 16px;
  left: 18px;
  color: var(--muted);
}
.project h3 {
  font-size: 23px;
  font-weight: 500;
  letter-spacing: -0.4px;
  margin: 14px 0 8px;
  line-height: 1.5;
}
.project p {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 16px;
}
.status {
  font-size: 10px;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
}
.status:before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}
.status.research {
  color: #375d83;
}
.pad {
  width: 112px;
  height: 162px;
  border: 1px solid var(--drawing);
  background: var(--white);
  border-radius: 17px;
  transform: rotate(-12deg);
  box-shadow: 12px 16px 0 #cbd6e6;
  padding: 16px 10px 10px;
  position: relative;
}
.pad:before {
  content: "";
  display: block;
  width: 22px;
  height: 3px;
  background: var(--drawing);
  border-radius: 2px;
  margin: -9px auto 11px;
}
.pad-surface {
  height: 77px;
  border: 1px solid var(--drawing-light);
  border-radius: 5px;
  position: relative;
  background: radial-gradient(#93a8c8 1px, transparent 1px) 0 0/7px 7px;
}
.pad-surface:after {
  content: "↖";
  position: absolute;
  font-size: 30px;
  color: var(--accent);
  right: 16px;
  top: 13px;
}
.pad-keys {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-top: 7px;
}
.pad-keys i {
  height: 17px;
  border: 1px solid var(--drawing-light);
  border-radius: 3px;
}
.voice-visual {
  background: var(--surface-blue);
}
.wave {
  height: 75px;
  display: flex;
  gap: 5px;
  align-items: center;
}
.wave i {
  width: 4px;
  border-radius: 4px;
  background: #7591ba;
  height: var(--h);
}
.wave i:nth-child(n + 9):nth-child(-n + 15) {
  background: var(--accent);
}
.wave-line {
  position: absolute;
  bottom: 38px;
  color: #46618a;
  font: 9px var(--mono);
  letter-spacing: 2px;
}
.facts {
  margin: 0;
}
.facts > div {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 17px 0;
}
.facts > div:first-child {
  padding-top: 0;
}
.facts dt {
  font-size: 12px;
  color: var(--muted);
}
.facts dd {
  margin: 0;
  font-size: 13px;
  overflow-wrap: anywhere;
}
.contact {
  background: var(--surface);
  padding: 45px 48px;
  margin: 0 0 65px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.contact h2 {
  font-size: 24px;
  font-weight: 500;
  margin: 0 0 8px;
}
.contact p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.contact .kicker {
  margin-bottom: 10px;
}
.contact-mail {
  font-size: clamp(16px, 2vw, 23px);
  white-space: nowrap;
  text-decoration: none;
  border-bottom: 1px solid var(--drawing);
  padding-bottom: 7px;
}
.contact-mail span {
  margin-left: 20px;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 35px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 10px;
  color: var(--muted);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  text-decoration: none;
}
.copyright {
  font-family: var(--mono);
  letter-spacing: 0.5px;
}
.inner-hero {
  padding: 70px 0 48px;
  max-width: 760px;
}
.inner-hero h1 {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.02em;
  margin: 12px 0 22px;
}
.inner-hero .intro {
  color: var(--muted);
  font-size: 16px;
}
.inner-hero .status {
  margin-bottom: 4px;
}
.prose {
  max-width: 760px;
  padding-bottom: 60px;
}
.prose section {
  border-top: 1px solid var(--line);
  padding: 30px 0;
}
.prose h2 {
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 15px;
}
.prose h3 {
  font-size: 15px;
  margin: 25px 0 8px;
}
.prose p,
.prose li {
  font-size: 14px;
  color: var(--muted);
}
.prose ul {
  padding-left: 22px;
}
.prose strong {
  color: var(--ink);
  font-weight: 600;
}
.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 40px;
}
.feature-list h3 {
  margin: 0 0 8px;
}
.feature-list p {
  margin: 0;
}
.updated {
  font-size: 12px;
  color: var(--muted);
}
@media (min-width: 1400px) {
  .hero {
    padding-top: 105px;
    padding-bottom: 90px;
    min-height: 620px;
  }
}
@media (max-width: 900px) {
  .wrap {
    width: calc(100% - 56px);
  }
  .site-nav {
    gap: 18px;
  }
  .hero {
    gap: 12px;
    padding: 65px 0;
  }
  .hero h1 {
    font-size: 34px;
  }
  .project-visual {
    height: 205px;
  }
  .contact {
    padding: 32px;
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }
}
@media (max-width: 640px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    min-height: 86px;
    gap: 15px;
  }
  .brand {
    font-size: 24px;
    gap: 8px;
  }
  .brand img {
    width: 22px;
    height: 26px;
  }
  .site-nav {
    gap: 15px;
    font-size: 11px;
  }
  .site-nav .nav-contact {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 48px 0 38px;
    gap: 26px;
  }
  .kicker {
    font-size: 9px;
    margin-bottom: 22px;
  }
  .hero h1 {
    font-size: 34px;
    margin-bottom: 22px;
  }
  .hero-copy {
    font-size: 13px;
  }
  .projects {
    gap: 32px;
    grid-template-columns: 1fr;
  }
  .project-visual {
    height: 230px;
    margin-bottom: 17px;
  }
  .project h3 {
    margin-top: 10px;
  }
  .facts > div {
    grid-template-columns: 85px minmax(0, 1fr);
    gap: 14px;
  }
  .contact {
    padding: 28px 22px;
    margin-bottom: 35px;
  }
  .contact h2 {
    font-size: 23px;
  }
  .contact-mail {
    font-size: 19px;
  }
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 15px;
  }
  .footer-links {
    gap: 20px;
    flex-wrap: wrap;
  }
  .inner-hero {
    padding: 44px 0 32px;
  }
  .inner-hero .intro {
    font-size: 14px;
  }
  .feature-list {
    grid-template-columns: 1fr;
  }
  .prose {
    padding-bottom: 25px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* The current R mark is the first letter of the site wordmark. */
.brand.brand-wordmark {
  gap: 0;
  font-family: Arial, sans-serif;
  letter-spacing: -.035em;
}
.brand.brand-wordmark img {
  /* Keep the original responsive logo dimensions from .brand img. */
  margin-right: -.07em;
}