:root {
  --paper: #f5f1ec;
  --paper-2: #ebe7e1;
  --ink: #111111;
  --muted: #626260;
  --muted-2: #7b7b78;
  --blue: #2860a8;
  --blue-deep: #1a3f73;
  --orange: #f86018;
  --line: #d3cec6;
  --line-soft: #ebe7e1;
  --white: #ffffff;
  --serif: "Iowan Old Style", "Palatino Linotype", "Songti SC", "STSong", "Noto Serif SC", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", ui-sans-serif, system-ui, sans-serif;
  --radius: 12px;
  --radius-media: 16px;
  --radius-btn: 8px;
  --max: 1280px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; overflow-x: hidden; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  font-size: 16px;
  letter-spacing: 0;
  font-weight: 400;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }
.skip { position: absolute; left: -999px; }
.skip:focus {
  left: 12px; top: 12px; z-index: 20;
  background: #fff; padding: 8px 12px;
}

.wrap { width: min(var(--max), calc(100% - 64px)); margin: 0 auto; }

.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 28px;
  height: 56px;
  padding: 0 28px;
  background: var(--paper);
  border-bottom: 1px solid var(--line-soft);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 36px; height: 36px; object-fit: contain; }
.brand-name { font-weight: 600; font-size: 15px; line-height: 1.15; }
.brand-name small {
  display: block; font-weight: 500; font-size: 10px;
  letter-spacing: 0.16em; color: var(--muted);
}
.nav-links { display: flex; gap: 22px; margin-left: auto; font-size: 14px; }
.nav-links a { text-decoration: none; color: var(--muted); }
.nav-links a.is-on, .nav-links a:hover { color: var(--ink); }
.nav-admin { opacity: 0.7; }
.nav-login { position: relative; }
.nav-login > summary {
  list-style: none;
  cursor: pointer;
  color: var(--muted);
  opacity: 0.7;
  font-size: 14px;
}
.nav-login > summary::-webkit-details-marker { display: none; }
.nav-login > summary::marker { content: ""; }
.nav-login-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 168px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px;
  z-index: 20;
}
.nav-login-menu a {
  display: block;
  padding: 8px 10px;
  text-decoration: none;
  color: var(--ink);
  border-radius: 7px;
  opacity: 1;
}
.nav-login-menu a:hover { background: #efece7; color: var(--ink); }
.nav-cta {
  text-decoration: none;
  background: var(--orange);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 500;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}
.nav-cta:active, .btn:active { transform: scale(0.98); }
.nav-cta:focus-visible, .btn:focus-visible, .text-link:focus-visible, .nav-links a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 0; background: transparent; cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 18px; height: 1.5px; background: var(--ink); position: relative;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.sheet {
  display: none;
  position: fixed; inset: 0; z-index: 9;
  background: var(--paper);
  padding: 92px 28px 40px;
  flex-direction: column; gap: 18px;
}
.sheet a { text-decoration: none; font-size: 22px; }
.sheet.is-open { display: flex; }

.hero { padding: 48px 0 8px; }
.hero-copy {
  width: min(var(--max), calc(100% - 64px));
  margin: 0 auto 40px;
  animation: riseIn 0.8s var(--ease) both;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(40px, 6.2vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
}
.hero-copy > p {
  max-width: 42em;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
  margin: 0 0 14px;
}
.hero-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  text-decoration: none; border: 0; cursor: pointer;
  border-radius: var(--radius-btn); padding: 10px 18px; font-weight: 500;
  font-size: 15px; line-height: 1.2; min-height: 40px;
  transition: filter 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { filter: brightness(0.96); }
.btn-ghost {
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--ink); }
.text-link { color: var(--blue); font-weight: 500; }

.film {
  display: flex; gap: 14px;
  overflow-x: auto;
  padding: 8px 24px 16px;
  scroll-snap-type: x mandatory;
}
.film figure {
  flex: 0 0 210px;
  height: 320px;
  margin: 0;
  border-radius: var(--radius-media);
  overflow: hidden;
  position: relative;
  scroll-snap-align: start;
  background: var(--paper-2);
  color: #fff;
  opacity: 0;
  transform: translateY(28px);
  animation: filmIn 0.85s var(--ease) forwards;
}
.film figure:nth-child(1) { animation-delay: 0.04s; }
.film figure:nth-child(2) { animation-delay: 0.1s; }
.film figure:nth-child(3) { animation-delay: 0.16s; }
.film figure:nth-child(4) { animation-delay: 0.22s; }
.film figure:nth-child(5) { animation-delay: 0.28s; }
.film figure:nth-child(6) { animation-delay: 0.34s; }
.film figure:nth-child(7) { animation-delay: 0.4s; }
.film figure:nth-child(8) { animation-delay: 0.46s; }
.film figure:nth-child(9) { animation-delay: 0.52s; }
.film figure:nth-child(10) { animation-delay: 0.58s; }
.film figure:nth-child(11) { animation-delay: 0.64s; }
@keyframes filmIn {
  to { opacity: 1; transform: none; }
}
@keyframes riseIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}
.film img { width: 100%; height: 100%; object-fit: cover; }
.film figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px 16px 14px;
  font-size: 14px; font-weight: 500; color: #fff;
  background: linear-gradient(transparent, rgba(17, 17, 17, 0.72));
}
.film-note {
  width: min(var(--max), calc(100% - 64px));
  margin: 0 auto 8px;
  color: var(--muted);
  font-size: 14px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 48px 0 40px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats strong {
  display: block;
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stats span { color: var(--muted); font-size: 14px; }

.section { padding: 96px 0; }
.section.wash { background: var(--paper-2); }
.section h2, .h2, .page-hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(32px, 4.4vw, 56px);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 16px;
}
.lede { color: var(--muted); max-width: 36em; font-size: 18px; line-height: 1.5; margin: 0 0 8px; }
.prose p { margin: 0 0 16px; max-width: 58ch; color: var(--muted); line-height: 1.75; }
.prose p strong { color: var(--ink); font-weight: 500; }

.theme {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: start;
}
.theme.is-flip { grid-template-columns: 1.1fr 0.9fr; }
.theme.is-flip .theme-media { order: 2; }
.theme-media {
  overflow: hidden;
  border-radius: var(--radius-media);
  aspect-ratio: 4 / 5;
  background: var(--white);
  border: 1px solid var(--line);
  opacity: 0;
  transform: translateX(-24px);
  clip-path: inset(12% 12% 12% 12%);
  transition:
    transform 1.05s var(--ease),
    opacity 0.7s ease,
    clip-path 1.05s var(--ease);
  will-change: transform, opacity, clip-path;
}
.theme.is-flip .theme-media {
  transform: translateX(32px);
  clip-path: inset(0 0 0 0);
}
.theme-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.theme.is-in .theme-media {
  transform: none;
  opacity: 1;
  clip-path: inset(0 0 0 0);
}
.theme.is-out .theme-media {
  transform: translateY(-28px);
  opacity: 0;
  clip-path: inset(10% 0 0 0);
}
.theme.is-flip.is-out .theme-media {
  transform: translateX(16px);
  clip-path: none;
}
.theme-copy {
  opacity: 0;
  transform: translateY(24px);
  transition: transform 0.8s var(--ease) 90ms, opacity 0.65s ease 90ms;
}
.theme.is-in .theme-copy {
  opacity: 1;
  transform: none;
}
.theme.is-out .theme-copy {
  opacity: 0;
  transform: translateY(-12px);
}
.theme-copy h2 { margin-bottom: 16px; }

.diff {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 32px;
  margin-top: 48px;
}
.diff article {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--line);
  box-shadow: none;
  opacity: 0;
  transform: translateY(18px);
  transition: transform 0.7s var(--ease), opacity 0.6s ease;
  transition-delay: calc(var(--i, 0) * 55ms);
}
.diff.is-in article { opacity: 1; transform: none; }
.diff article h3 { margin: 0 0 8px; font-size: 17px; font-weight: 500; }
.diff article p { margin: 0; color: var(--muted); font-size: 15px; }
.diff .us { background: var(--blue); color: #fff; border-color: transparent; }
.diff .us p { color: rgba(255,255,255,.86); }

.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.svc-grid a {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 180px;
  box-shadow: none;
  opacity: 0;
  transform: translateY(18px);
  transition:
    transform 0.7s var(--ease),
    opacity 0.6s ease,
    border-color 0.2s ease;
  transition-delay: calc(var(--i, 0) * 70ms);
}
.svc-grid.is-in a { opacity: 1; transform: none; }
.svc-grid a:hover { border-color: var(--ink); }
.svc-grid b { display: block; font-size: 18px; font-weight: 500; margin-bottom: 4px; }
.svc-grid small {
  display: block; font-weight: 500; color: var(--muted);
  font-size: 12px; letter-spacing: 0.06em; margin: 0 0 12px;
}
.svc-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: transform 0.8s var(--ease), opacity 0.7s ease;
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal-fade {
  opacity: 0;
  transition: opacity 0.9s ease;
}
.reveal-fade.is-in { opacity: 1; }

.cta-band {
  background: var(--paper);
  color: var(--ink);
  padding: 48px 0 96px;
}
.cta-band .wrap {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 48px 32px;
  opacity: 0;
  transform: scale(0.98);
  transition: transform 0.8s var(--ease), opacity 0.7s ease;
}
.cta-band.is-in .wrap { opacity: 1; transform: none; }
.cta-band h2 { color: var(--ink); margin-bottom: 12px; }
.cta-band p { color: var(--muted); max-width: 36em; margin: 0 0 8px; line-height: 1.65; }
.cta-band .btn-primary { margin-top: 22px; }

.footer { padding: 64px 32px; color: var(--muted-2); font-size: 12px; }
.footer-top { display: flex; justify-content: space-between; gap: 24px; margin-bottom: 18px; }
.footer nav { display: flex; gap: 16px; flex-wrap: wrap; }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--ink); }
.footer strong { color: var(--ink); display: block; margin-bottom: 6px; }

.page-hero { padding: 48px 0 12px; }
.page-prose, .prose-long { max-width: 42em; }
.page-prose p, .prose-long p { margin: 0 0 16px; color: var(--muted); line-height: 1.75; }
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.fit-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: none;
}
.split {
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  gap: 96px;
  align-items: start;
}
.aside {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 14em;
  padding-top: 48px;
}
.svc-list { display: grid; gap: 12px; }
.svc-list a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 0;
  align-items: start;
}
.svc-list a:hover { border-color: var(--ink); }
.svc-list b { display: block; font-size: 18px; font-weight: 500; margin-bottom: 8px; }
.svc-list small {
  display: block; font-weight: 500; color: var(--muted);
  font-size: 12px; letter-spacing: 0.06em; margin-top: 4px;
}
.svc-list p { grid-column: 1; margin: 0; color: var(--muted); font-size: 14px; }
.svc-list i { grid-row: 1 / span 2; color: var(--blue); font-style: normal; }
.team { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 72px; align-items: center; }
.portrait {
  overflow: hidden;
  border-radius: var(--radius-media);
  aspect-ratio: 4 / 5;
  background: var(--white);
  border: 1px solid var(--line);
}
.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.team.is-in .portrait img { transform: translate3d(0, 0, 0) scale(1); opacity: 1; }
.team.is-out .portrait img { transform: translate3d(0, -72px, 0) scale(1.06); opacity: 0; }
.names { margin-top: 22px; color: var(--muted); font-size: 15px; }
.asd-block ul { padding-left: 1.1em; color: var(--muted); max-width: 40em; }
.asd-block li { margin: 0 0 14px; }
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.facts { display: grid; gap: 16px; }
.facts span { display: block; font-size: 14px; font-weight: 500; color: var(--muted); }
.facts strong { font-weight: 500; }
.form { display: grid; gap: 12px; }
.form label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.form input, .form textarea {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius-btn);
  padding: 10px 14px;
  color: var(--ink);
  min-height: 44px;
}
.form textarea { min-height: 110px; resize: vertical; }
.form-note { font-size: 13px; color: var(--muted); }
.toast { display: none; color: var(--blue); font-weight: 600; }
.toast.is-on { display: block; }
.btn:active { transform: scale(0.98); }
.btn:focus-visible, .text-link:focus-visible, .svc-grid a:focus-visible, .svc-list a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: grid; place-items: center; margin-left: auto; }
  .theme, .theme.is-flip, .diff, .svc-grid, .team, .contact, .split, .fit-grid {
    grid-template-columns: 1fr;
  }
  .theme.is-flip .theme-media { order: 0; }
  .theme { gap: 28px; }
  .stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 32px 0 24px;
  }
  .stats strong { font-size: 28px; }
  .hero h1 { font-size: 42px; }
  .film figure { flex-basis: 170px; height: 250px; }
  .section { padding: 72px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-copy,
  .film figure,
  .theme-media,
  .theme-copy,
  .diff article,
  .svc-grid a,
  .reveal,
  .reveal-fade,
  .cta-band .wrap,
  .portrait img {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
    transition: none !important;
  }
}