* {
  box-sizing: border-box;
}
:root {
  --paper: #f4f2eb;
  --ink: #262c28;
  --muted: #62675b;
  --line: #d1d3c8;
  --green: #234a3f;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.85;
}
a {
  color: inherit;
  text-underline-offset: 5px;
}
button {
  font: inherit;
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}
button,
a {
  touch-action: manipulation;
}
button:focus-visible,
a:focus-visible {
  outline: 3px solid #7b642c;
  outline-offset: 4px;
}
[hidden] {
  display: none !important;
}
.skip {
  position: absolute;
  top: -80px;
  left: 20px;
  background: white;
  padding: 10px;
  z-index: 50;
}
.skip:focus {
  top: 12px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 26px 5vw;
  border-bottom: 1px solid var(--line);
}
.brand {
  font:
    27px Georgia,
    serif;
  text-decoration: none;
}
.brand span {
  display: block;
  font: 9px sans-serif;
  letter-spacing: 2px;
  margin-top: 8px;
}
.back {
  font-size: 12px;
  text-decoration: none;
}
main {
  max-width: 1480px;
  margin: auto;
}
.intro {
  padding: 55px 5vw 40px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 1.8px;
}
.intro h1 {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(30px, 3.9vw, 58px);
  font-weight: 500;
  line-height: 1.65;
  margin: 20px 0;
}
.intro h1 em {
  font-style: normal;
  color: var(--green);
}
.lead {
  font-size: 13px;
  color: var(--muted);
  line-height: 2;
}
.instructions {
  list-style: none;
  padding: 20px 0 0;
  margin: 0;
}
.instructions li {
  display: flex;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.instructions li > span {
  font: italic 22px Georgia;
  color: var(--green);
}
.instructions b {
  font-size: 14px;
  font-weight: 500;
}
.instructions p {
  font-size: 11px;
  color: var(--muted);
  margin: 6px 0;
}
.workspace {
  margin: 0 3vw 60px;
  border: 1px solid #abb4a9;
  background: #fffef9;
}
.workspace-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  padding: 18px 25px;
  border-bottom: 1px solid var(--line);
}
h2 {
  font-size: 18px;
  font-weight: 500;
  margin: 0;
}
.demo-tag {
  font-size: 10px;
  color: var(--muted);
}
.notice {
  padding: 14px 25px;
  background: #e6eadf;
  font-size: 11px;
  line-height: 1.9;
}
.launch {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 25px;
}
.launch button {
  background: var(--green);
  color: white;
  padding: 13px 24px;
  border: 0;
  font-size: 13px;
  flex-shrink: 0;
}
.launch button span {
  margin-left: 20px;
}
#status {
  font-size: 12px;
  margin: 0;
  color: var(--muted);
}
.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 0 25px 17px;
}
.toolbar button {
  padding: 9px 15px;
  border: 1px solid #b4bcae;
  background: white;
  font-size: 12px;
}
.toolbar button:hover:not(:disabled) {
  background: #edf0e8;
}
.toolbar button[aria-pressed="true"] {
  background: var(--green);
  color: white;
  border-color: var(--green);
}
#reset {
  margin-left: auto;
}
.screen-help {
  font-size: 10px;
  color: var(--muted);
  padding: 0 25px;
  margin: 0 0 15px;
}
.frame-wrap {
  height: 850px;
  border-top: 1px solid var(--line);
  background: white;
}
iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.placeholder {
  text-align: center;
  padding: 60px 20px 70px;
  border-top: 1px solid var(--line);
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 39px,
      #d7d9ce66 40px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 39px,
      #d7d9ce66 40px
    );
}
.wp-mark {
  display: grid;
  place-content: center;
  border: 2px solid #668070;
  border-radius: 50%;
  width: 70px;
  height: 70px;
  font: 47px Georgia;
  color: var(--green);
  margin: 0 auto 20px;
}
.placeholder p {
  font:
    22px "Yu Mincho",
    serif;
}
.placeholder small {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--muted);
}
.error {
  padding: 30px;
  background: #f7e9df;
}
.error h3 {
  font-size: 18px;
}
.error p {
  font-size: 13px;
}
.error button {
  padding: 10px 18px;
  border: 1px solid var(--ink);
  background: white;
}
.downloads {
  padding: 0 5vw 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}
.downloads h2 {
  font:
    30px/1.6 "Yu Mincho",
    serif;
  margin: 15px 0;
}
.downloads p {
  font-size: 12px;
  color: var(--muted);
}
.download-links {
  padding-top: 22px;
}
.download-links a {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  font-size: 13px;
  text-decoration: none;
}
.download-links span {
  font-size: 10px;
  color: var(--muted);
}
.scope {
  padding: 35px 5vw;
  background: #e7e9df;
}
.scope h2 {
  font-size: 15px;
}
.scope p {
  font-size: 11px;
  color: var(--muted);
  max-width: 950px;
}
footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 25px 5vw;
  font-size: 10px;
  border-top: 1px solid var(--line);
}
@media (max-width: 760px) {
  .intro {
    grid-template-columns: 1fr;
    gap: 5px;
    padding: 35px 6vw;
  }
  .intro h1 {
    font-size: 36px;
  }
  .instructions {
    padding-top: 0;
  }
  .workspace {
    margin: 0 4vw 40px;
  }
  .workspace-heading,
  .notice {
    padding: 15px;
  }
  .workspace-heading h2 {
    font-size: 14px;
  }
  .demo-tag {
    font-size: 9px;
  }
  .launch {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 18px 15px;
  }
  .toolbar {
    padding: 0 15px 15px;
    gap: 6px;
  }
  .toolbar button {
    padding: 9px 10px;
    font-size: 11px;
  }
  #reset {
    margin-left: 0;
  }
  .screen-help {
    padding: 0 15px;
  }
  .frame-wrap {
    height: 790px;
  }
  .downloads {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 0 6vw 40px;
  }
  .downloads h2 {
    font-size: 27px;
  }
  .download-links {
    padding-top: 0;
  }
  header {
    padding: 20px 6vw;
  }
  .brand {
    font-size: 23px;
  }
  .brand span {
    font-size: 7px;
    letter-spacing: 1px;
  }
  .back {
    font-size: 10px;
    max-width: 110px;
    text-align: right;
  }
  .scope {
    padding: 30px 6vw;
  }
  footer {
    padding: 25px 6vw;
    font-size: 9px;
  }
  .placeholder p {
    font-size: 18px;
  }
}
@media (max-width: 360px) {
  .intro h1 {
    font-size: 30px;
  }
  .workspace-heading {
    flex-direction: column;
    align-items: start;
    gap: 3px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation: none !important;
    transition: none !important;
  }
}