html[lang="ja"] .site[lang="en"], html[lang="en"] .site[lang="ja"] { display: none; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: #fff; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.site {
  --text: #111;
  background: #fff;
  color: var(--text);
  font-family: Arial, 'Hiragino Kaku Gothic ProN', sans-serif;
  line-height: 1.7;
  min-height: 100dvh;
}
.site * { box-sizing: border-box; }
.site a { color: inherit; text-decoration: none; }
.site a:focus-visible { outline: 2px solid var(--text); outline-offset: 8px; border-radius: 4px; }
.site .shell { width: min(1240px, calc(100% - 112px)); margin-inline: auto; }
.site .site-header { height: 100px; display: flex; align-items: center; justify-content: space-between; }
.site .wordmark { font-size: 30px; font-weight: 600; letter-spacing: -1.3px; line-height: 1; color: #111; }
.site .nav-link { font-size: 14px; padding-block: 12px; display: flex; align-items: center; gap: 14px;  }
.site .business { padding-top: 90px; padding-bottom: 110px; scroll-margin-top: 50px; }
.site .business-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 76px 70px; }
.site .business-card { display: flex; align-items: center; gap: 28px; min-width: 0; opacity: 1; transform: translateY(0); transition: opacity .7s, transform .7s cubic-bezier(.2,.7,.2,1); }
.site .business-card[data-pending] { opacity: 0; transform: translateY(24px); }
.site .business-card:focus-visible { opacity: 1; transform: none; }
.site .business-art { flex: 0 0 156px; height: 156px; display: grid; place-items: center; }
.site .business-art img { width: 88px; height: 88px; border-radius: 24%; box-shadow: 0 16px 36px #00000029; transition: transform .4s cubic-bezier(.2,.7,.2,1), box-shadow .4s; }
.site .business-caption { min-width: 0; }
.site .business-caption h2 { font-size: 23px; line-height: 1.5; font-weight: 400; margin: 0 0 9px; letter-spacing: -.025em; display: flex; align-items: center; gap: 16px;  }
.site .business-caption p { font-size: 14px; color: var(--text); margin: 0; text-wrap: pretty; }
.site .linked-card:focus-visible .business-art img { transform: scale(1.2); box-shadow: 0 30px 56px #00000038; }
.site .skip-link { position: fixed; top: -100px; left: 20px; background: #fff; z-index: 100; padding: 12px; }
.site .skip-link:focus { top: 10px; }
@media (hover: hover) and (pointer: fine) {
  .site .business-card:hover .business-art img { transform: scale(1.2); box-shadow: 0 30px 56px #00000038; }
}
@media (max-width: 1100px) {
  .site .business-grid { gap: 60px 40px; }
  .site .business-card { align-items: flex-start; flex-direction: column; gap: 22px; }
  .site .business-art { width: 156px; flex: 0 0 156px; }
}
@media (max-width: 600px) {
  .site .shell { width: calc(100% - 40px); }
  .site .site-header { height: 80px; }
  .site .wordmark { font-size: 27px; }
  .site .nav-link { font-size: 13px; }
  .site .business-grid { grid-template-columns: 1fr; gap: 36px; }
  .site .business-card { flex-direction: row; align-items: center; gap: 20px; }
  .site .business-art { width: 104px; height: 104px; flex: 0 0 104px; }
  .site .business-art img { width: 64px; height: 64px; }
  .site .business-caption h2 { font-size: 19px; gap: 10px; margin-bottom: 6px; }
  .site .business-caption p { font-size: 14px; }
  .site .business { padding-top: 54px; padding-bottom: 68px; }
}
@media (prefers-reduced-motion: reduce) {
  .site *, .site *::before, .site *::after { transition: none !important; animation: none !important; }
  .site .business-card[data-pending] { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) { .site .business-art img { transform: none !important; } }

.site .header-nav { display: flex; align-items: center; gap: 28px; }
.site .company-disclosure { position: relative; }
.site .company-disclosure summary { cursor: pointer; list-style: none; padding: 12px 0; font-size: 14px; color: #111; }
.site .company-disclosure summary::-webkit-details-marker { display: none; }
.site .company-disclosure summary:focus-visible { outline: 2px solid #111; outline-offset: 4px; border-radius: 4px; }
.site .company-info { position: absolute; top: 100%; right: 0; z-index: 20; width: min(460px, calc(100vw - 40px)); margin: 12px 0 0; padding: 28px; background: #fff; border-radius: 8px; box-shadow: 0 12px 48px #00000014; display: grid; gap: 18px; font-size: 14px; }
.site .company-info > div { display: grid; grid-template-columns: 48px 1fr; gap: 18px; }
.site .company-info dt, .site .company-info dd { color: #111; }
.site .company-info dd { margin: 0; text-wrap: pretty; }
.site .company-disclosure[open] .company-info { animation: company-enter .25s ease-out; }
@keyframes company-enter { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 600px) {
  .site .header-nav { gap: 20px; }
  .site .company-disclosure summary { font-size: 13px; }
  .site .company-info { padding: 22px; }
}

.not-found { min-height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; padding: 24px; color: #111; font-family: Arial, 'Hiragino Kaku Gothic ProN', sans-serif; }
.not-found h1 { margin: 0; font-size: 48px; font-weight: 400; }
.not-found p { margin: 0; font-size: 16px; }
.not-found a { padding: 12px; color: inherit; font-size: 14px; text-underline-offset: 5px; }
.not-found a:focus-visible { outline: 2px solid #111; outline-offset: 4px; }

.site[lang="en"] .company-info > div { grid-template-columns: 65px 1fr; }
@media (max-width: 600px) {
  .site .header-nav { gap: 14px; }
  .site .company-info { position: fixed; top: 72px; right: 20px; }
  .site[lang="en"] .nav-link, .site[lang="en"] .company-disclosure summary { font-size: 12px; }
}

.site .company-info > div { grid-template-columns: 70px 1fr; }
.site .copy-email button { appearance: none; border: 0; background: none; color: #111; font: inherit; padding: 0; min-height: 28px; text-align: left; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; cursor: pointer; }
.site .copy-email button:focus-visible { outline: 2px solid #111; outline-offset: 4px; border-radius: 4px; }

.site .copy-icon { flex-shrink: 0; align-self: center; color: #555; }
.site .copy-email button:hover .copy-icon { color: #111; }
.site .copy-error { display: block; margin-top: 6px; font-size: 12px; line-height: 1.6; color: #555; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

.site .copy-icon-anchor { position: relative; display: inline-flex; align-self: center; flex-shrink: 0; }
.site .copy-pop { position: absolute; left: 50%; bottom: 0; z-index: 1; pointer-events: none; white-space: nowrap; font-size: 12px; font-weight: 500; color: #111; text-shadow: 0 1px 5px #fff, 0 0 8px #fff; animation: copy-pop .9s ease-out both; }
@keyframes copy-pop {
  0% { opacity: 0; transform: translate(-50%, 4px) scale(.9); }
  18% { opacity: 1; transform: translate(-50%, -10px) scale(1.04); }
  50% { opacity: 1; transform: translate(-50%, -20px) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -38px) scale(1); }
}

/* 事業を自社プロダクトと受託開発に分ける。 */
.site .business-section-heading { margin-bottom: 48px; }
.site .business-section-heading h1, .site .business-section-heading h2 { margin: 0 0 14px; font-size: 28px; font-weight: 500; letter-spacing: -.025em; line-height: 1.5; }
.site .business-section-heading p { margin: 0; font-size: 15px; line-height: 1.9; text-wrap: pretty; }
.site .client-work { border-top: 1px solid #e5e5e5; padding-top: 52px; padding-bottom: 100px; }
.site .client-work .business-section-heading { margin-bottom: 0; }
@media (max-width: 600px) {
  .site .business-section-heading { margin-bottom: 32px; }
  .site .business-section-heading h1, .site .business-section-heading h2 { font-size: 23px; }
  .site .client-work { padding-top: 36px; padding-bottom: 64px; }
}
/* 提供を終えた事業はグレーアウトして残す */
.site .ended-card .business-art img { filter: grayscale(1); opacity: .7; }
.site .ended-card .business-caption { opacity: .5; }
.site .ended-badge { font-size: 12px; letter-spacing: 0; border: 1px solid currentColor; border-radius: 99px; padding: 1px 10px; }