:root {
  --ink: #16191d;
  --muted: #5b6370;
  --line: #e3e5e8;
  --bg: #fbfaf7;
  --accent: #1f5f5b;
  --max: 52rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8e9eb;
    --muted: #a0a7b1;
    --line: #2c3036;
    --bg: #121417;
    --accent: #7cc4bd;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
        "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
}
a { color: var(--accent); text-underline-offset: 3px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--line);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.wordmark {
  font-weight: 700; letter-spacing: .02em; font-size: 1.1rem;
  color: var(--ink); text-decoration: none;
}
.lang { font-size: .9rem; color: var(--muted); }
.lang a { color: var(--muted); }

main section { padding: 56px 0; border-bottom: 1px solid var(--line); }
main section:last-child { border-bottom: 0; }

.lead h1 {
  font-size: clamp(1.7rem, 4.6vw, 2.4rem);
  line-height: 1.3; margin: 0 0 20px; letter-spacing: -.01em;
}
.lead p { color: var(--muted); margin: 0; max-width: 38rem; }

h2 {
  font-size: .8rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 24px;
}
:lang(ja) h2 { letter-spacing: .08em; text-transform: none; font-size: .9rem; }

.work {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px 28px;
}
.work img {
  display: block; width: 100%; height: auto; aspect-ratio: 3 / 2;
  object-fit: cover; border-radius: 6px; margin-bottom: 16px;
  background: var(--line);
}
.work h3 { font-size: 1.08rem; margin: 0 0 6px; }
.work p { margin: 0; color: var(--muted); font-size: .95rem; }
.work .meta { font-size: .85rem; margin-top: 6px; }
@media (max-width: 640px) {
  .work { grid-template-columns: 1fr; gap: 36px; }
}

img.hero {
  display: block; width: 100%; height: auto; margin-top: 36px;
  border-radius: 8px; background: var(--line);
}

dl.facts {
  display: grid; grid-template-columns: 9rem 1fr; gap: 12px 24px; margin: 0;
}
dl.facts dt { color: var(--muted); }
dl.facts dd { margin: 0; }
@media (max-width: 520px) {
  dl.facts { grid-template-columns: 1fr; gap: 2px; }
  dl.facts dd { margin-bottom: 14px; }
}

footer.site { padding: 32px 0 48px; color: var(--muted); font-size: .85rem; }

:lang(ja) .lead h1 { word-break: auto-phrase; }

.nw { white-space: nowrap; }

/* Contact form */
#contact .intro { color: var(--muted); margin: 0 0 28px; max-width: 38rem; }
form.contact { display: grid; gap: 20px; max-width: 38rem; }
form.contact label { display: block; font-size: .95rem; font-weight: 600; }
form.contact label > input, form.contact label > textarea { display: block; margin-top: 6px; }
form.contact .req, form.contact .opt {
  font-size: .72rem; font-weight: 600; padding: 1px 7px; border-radius: 3px;
  margin-left: 6px; vertical-align: 1px;
}
form.contact .req { background: var(--accent); color: var(--bg); }
form.contact .opt { border: 1px solid var(--line); color: var(--muted); }
form.contact input[type=text], form.contact input[type=email], form.contact textarea {
  font: inherit; font-weight: 400; color: var(--ink); background: transparent;
  border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; width: 100%;
}
form.contact input:focus, form.contact textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent;
}
form.contact textarea { resize: vertical; min-height: 9rem; }
form.contact label.check { display: flex; align-items: center; gap: 10px; font-weight: 400; }
form.contact label.check input { width: 18px; height: 18px; accent-color: var(--accent); margin: 0; }
form.contact button {
  justify-self: start; font: inherit; font-weight: 600; cursor: pointer;
  background: var(--accent); color: var(--bg); border: 0; border-radius: 6px;
  padding: 12px 36px;
}
form.contact button:disabled { opacity: .6; cursor: default; }
form.contact .status { margin: 0; font-size: .95rem; min-height: 1.5em; }
form.contact .status.ok { color: var(--accent); font-weight: 600; }
form.contact .status.error { color: #b3261e; }
@media (prefers-color-scheme: dark) { form.contact .status.error { color: #f2b8b5; } }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Text pages (privacy, thanks) */
.doc h1 { font-size: clamp(1.5rem, 4vw, 2rem); line-height: 1.35; margin: 0 0 20px; }
.doc h3 { font-size: 1.02rem; margin: 32px 0 6px; }
.doc p, .doc ul { margin: 0 0 12px; }
.doc ul { padding-left: 1.3em; }
.doc-facts { margin-top: 40px; font-size: .95rem; }
:lang(ja) .doc h1 { word-break: auto-phrase; }
form.contact [hidden] { display: none !important; }