:root {
  color-scheme: dark;
  font-family: 'Hiragino Sans', 'Noto Sans JP', system-ui, sans-serif;
  color: #e7ebe4;
  background: #111615;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid #c6ddac; outline-offset: 6px; }
.page-shell { width: min(1120px, calc(100% - 96px)); margin: 0 auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; padding: 30px 0; border-bottom: 1px solid #2b3330; }
.wordmark { display: inline-flex; align-items: center; gap: 12px; font-size: 19px; font-weight: 600; letter-spacing: -.5px; }
.brand-mark { display: grid; place-items: center; width: 29px; height: 29px; background: #c6ddac; border-radius: 7px; color: #152016; font: 24px Georgia, serif; }
.header-note { display: flex; gap: 9px; align-items: center; font-size: 11px; letter-spacing: .06em; color: #a5afa8; }
.status-dot { width: 5px; height: 5px; background: #c6ddac; border-radius: 50%; }
.intro { padding: 66px 0 57px; }
.eyebrow { margin: 0 0 25px; font-size: 10px; letter-spacing: .18em; color: #9ba99e; }
h1 { margin: 0; font-size: clamp(36px, 4.5vw, 57px); line-height: 1.4; font-weight: 500; letter-spacing: .035em; }
h1 span { color: #c6ddac; }
.intro-copy { margin: 23px 0 0; color: #aab5ad; font-size: 13px; line-height: 2; letter-spacing: .04em; }
.mobile-break { display: none; }
.section-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 15px; }
.section-heading h2 { margin: 0; color: #c5cdc6; font-size: 12px; font-weight: 500; letter-spacing: .1em; }
.section-heading > span { font-size: 9px; color: #8c9b90; letter-spacing: .16em; }
.experiment-card { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid #344039; border-radius: 16px; overflow: hidden; background: #18201c; }
.experiment-content { padding: 31px 35px 30px; }
.card-heading { display: flex; gap: 13px; align-items: center; }
.experiment-number { font: 11px ui-monospace, monospace; color: #9aaa9e; }
.prototype-badge { padding: 3px 9px; border: 1px solid #485641; border-radius: 999px; color: #bdd3ac; font-size: 10px; }
.category { margin: 26px 0 10px; color: #a5b3a7; font-size: 11px; letter-spacing: .06em; }
h3 { margin: 0; font-size: clamp(27px, 3vw, 34px); font-weight: 500; letter-spacing: -.025em; }
.experiment-description { margin: 17px 0 27px; color: #b5bfb6; font-size: 12px; line-height: 1.95; }
.launch-link { display: inline-flex; gap: 33px; align-items: center; justify-content: space-between; min-height: 46px; padding: 12px 19px; border-radius: 7px; color: #192317; background: #c6ddac; font-size: 12px; font-weight: 600; transition: background-color .18s ease; }
.launch-link:hover { background: #d8eac6; }
.launch-link > span { font-size: 19px; font-weight: 400; line-height: 1; }
.storage-note { margin: 14px 0 0; color: #a0ada2; font-size: 10px; line-height: 1.8; }
.space-preview { position: relative; min-height: 360px; border-left: 1px solid #2c3830; background: radial-gradient(ellipse at 55% 48%, #25352a 0, #18231c 55%, #152019 100%); overflow: hidden; }
.space-preview::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(#728571 0.7px, transparent .7px); background-size: 20px 20px; opacity: .17; }
.preview-caption { position: absolute; top: 24px; left: 25px; font-size: 8px; letter-spacing: .14em; color: #8c9f8f; }
.connection-lines { position: absolute; inset: 0; width: 100%; height: 100%; }
.connection-lines path { fill: none; stroke: #7b9270; stroke-width: 1; opacity: .6; }
.connection-lines .quiet-line { opacity: .3; }
.connection-lines .dotted-line { opacity: .3; stroke-dasharray: 3 5; }
.thought-fragment { position: absolute; z-index: 1; padding: 10px 13px; border: 1px solid #52654e; border-radius: 8px; background: #243127; color: #d5dfcf; font-size: 11px; white-space: nowrap; transform: translate(-50%, -50%); box-shadow: 0 5px 22px #0b110e22; }
.fragment-one { left: 22%; top: 35%; }
.fragment-two { left: 55%; top: 49%; border-color: #7f9770; color: #e1ebd9; }
.fragment-three { left: 77%; top: 27%; border-style: dashed; color: #b1c4a8; background: #202d24; }
.fragment-four { left: 30%; top: 76%; font-size: 10px; border-style: dashed; color: #9bb18f; background: #1d2a21; }
.fragment-five { left: 71%; top: 77%; font-size: 10px; border-color: #445d46; color: #a9bf9e; background: #1e2b22; }
.preview-note { position: absolute; right: 24px; bottom: 22px; color: #8ea18e; font-size: 9px; letter-spacing: .04em; }
.site-footer { display: flex; gap: 22px; align-items: center; margin-top: 37px; padding: 22px 0 28px; border-top: 1px solid #2b3330; color: #96a297; font-size: 10px; }
.site-footer > span:first-child { font-weight: 600; color: #b8c4b9; font-size: 12px; }
.site-footer p { margin: 0; }
.footer-tag { margin-left: auto; font-size: 8px; letter-spacing: .16em; }
.skip-link { position: absolute; top: 8px; left: 8px; z-index: 5; padding: 12px; color: #172115; background: #c6ddac; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

@media (max-width: 700px) {
  .page-shell { width: calc(100% - 40px); }
  .site-header { padding: 23px 0; }
  .header-note { font-size: 9px; gap: 6px; letter-spacing: 0; }
  .wordmark { font-size: 17px; gap: 9px; }
  .intro { padding: 50px 0 42px; }
  .eyebrow { font-size: 8px; letter-spacing: .13em; margin-bottom: 22px; }
  h1 { font-size: clamp(32px, 9vw, 42px); letter-spacing: 0; }
  .intro-copy { margin-top: 20px; font-size: 12px; }
  .mobile-break { display: initial; }
  .experiment-card { grid-template-columns: 1fr; }
  .experiment-content { padding: 25px 24px 27px; }
  .category { margin-top: 23px; }
  .experiment-description { font-size: 12px; }
  .desktop-break { display: none; }
  .launch-link { width: 100%; }
  .space-preview { min-height: 285px; border-left: 0; border-top: 1px solid #2c3830; }
  .thought-fragment { font-size: 9px; padding: 8px; }
  .fragment-one { left: 22%; }
  .fragment-two { left: 53%; }
  .fragment-three { left: 79%; }
  .fragment-five { left: 72%; font-size: 8px; }
  .preview-caption { font-size: 7px; left: 20px; }
  .preview-note { right: 20px; font-size: 8px; }
  .site-footer { gap: 15px; margin-top: 28px; flex-wrap: wrap; }
  .footer-tag { width: 100%; margin-left: 0; font-size: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  .launch-link { transition: none; }
}