/* ================================================
   Shared Work Page Stylesheet
   ================================================ */

:root {
  --bg:        #F9F9F7;
  --bg-alt:    #F2F2EF;
  --accent:    #0D7A6B;
  --accent-dk: #0a6358;
  --accent-lt: #E6F4F1;
  --text:      #18181B;
  --text-mid:  #52525B;
  --text-dim:  #A1A1AA;
  --border:    #E4E4E0;
  --white:     #FFFFFF;
  --font-serif:'DM Serif Display', 'Noto Serif JP', serif;
  --font-sans: 'Inter', 'Noto Sans JP', sans-serif;
  --max-w:     1160px;
  --ease:      cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width:100%; display:block; }
a   { text-decoration:none; color:inherit; }

/* ================================================
   NAV
   ================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  background: rgba(249,249,247,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s ease;
}
.nav.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,0.07); }

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--text);
}
.nav__logo span { color: var(--accent); }

.nav__links {
  display: flex;
  gap: 40px;
  list-style: none;
}
.nav__links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mid);
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--accent); }

.nav__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: var(--white);
  padding: 9px 22px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: background 0.2s, transform 0.2s var(--ease);
}
.nav__btn:hover { background: var(--accent-dk); transform: translateY(-1px); }

/* ================================================
   WORK HEADER
   ================================================ */
.work-header {
  padding-top: 64px; /* nav height */
}
.work-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 48px 56px;
}

.work-header__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 40px;
  transition: color 0.2s;
}
.work-header__back:hover { color: var(--accent); }

.work-header__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.work-header__tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  background: var(--accent-lt);
  color: var(--accent);
}
.work-header__tag--gray {
  background: var(--bg-alt);
  color: var(--text-dim);
}

.work-header__title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 20px;
}

.work-header__catch {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 640px;
}

.work-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.work-header__site-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 4px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.work-header__site-btn:hover {
  background: var(--accent-dk);
  transform: translateY(-1px);
}
.work-header__site-btn svg { opacity: 0.8; }

/* ================================================
   MAIN VISUAL
   ================================================ */
.work-visual {
  width: 100%;
  background: var(--bg-alt);
  overflow: hidden;
}
.work-visual--dark { background: #070714; }
.work-visual--light { background: #F0F0EE; }

.work-visual img {
  width: 100%;
  max-height: 680px;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.work-visual--contain img {
  object-fit: contain;
  max-height: 500px;
  padding: 60px;
}

/* ================================================
   DETAIL SECTION
   ================================================ */
.work-detail {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 88px 48px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 80px;
  align-items: start;
}

.work-detail__overview h2 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.work-detail__overview p {
  font-size: 0.97rem;
  color: var(--text-mid);
  line-height: 2;
}
.work-detail__overview p + p { margin-top: 16px; }

/* sidebar */
.work-detail__meta { display: flex; flex-direction: column; gap: 36px; }

.work-meta__block h3 {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.work-meta__items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.work-meta__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-mid);
}
.work-meta__dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.work-meta__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--accent);
  font-weight: 500;
  border-bottom: 1px solid var(--accent-lt);
  padding-bottom: 2px;
  transition: border-color 0.2s;
  word-break: break-all;
}
.work-meta__link:hover { border-color: var(--accent); }

/* ================================================
   SUB VISUALS
   ================================================ */
.work-sub-visuals {
  background: var(--bg-alt);
  padding: 72px 0;
}
.work-sub-visuals__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}
.work-sub-visuals__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 32px;
}
.work-sub-visuals__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.work-sub-visuals__grid img {
  border-radius: 8px;
  border: 1px solid var(--border);
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  object-position: top;
}

/* ================================================
   PREV / NEXT NAVIGATION
   ================================================ */
.work-nav {
  border-top: 1px solid var(--border);
}
.work-nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.work-nav__item {
  display: flex;
  flex-direction: column;
  padding: 48px;
  transition: background 0.2s;
  border-right: 1px solid var(--border);
  color: var(--text);
}
.work-nav__item:last-child { border-right: none; text-align: right; align-items: flex-end; }
.work-nav__item:hover { background: var(--bg-alt); }

.work-nav__dir {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.work-nav__item:last-child .work-nav__dir { flex-direction: row-reverse; }

.work-nav__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.2;
}
.work-nav__cat {
  font-size: 0.76rem;
  color: var(--text-dim);
  margin-top: 6px;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: #0E0E0E;
  padding: 48px 0;
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer__logo { font-family: var(--font-serif); font-size: 1rem; color: var(--white); }
.footer__copy { font-size: 0.74rem; color: #71717A; letter-spacing: 0.03em; }
.footer__links { display: flex; gap: 24px; }
.footer__links a {
  font-size: 0.74rem;
  color: #71717A;
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--white); }

/* ================================================
   PRODUCT SHOWCASE  (dark band + browser frame)
   ================================================ */
.work-showcase {
  background: linear-gradient(170deg, #0D1117 0%, #15202E 55%, #0E1520 100%);
  padding: 64px 48px 0;
}
.work-showcase__inner {
  max-width: 960px;
  margin: 0 auto;
}

.browser-frame {
  border-radius: 10px 10px 0 0;
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.65), 0 0 0 1px rgba(255,255,255,0.06);
}
.browser-frame__chrome {
  background: #2A2B2E;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.browser-frame__dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}
.browser-frame__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.browser-frame__dot:nth-child(1) { background: #FF5F57; }
.browser-frame__dot:nth-child(2) { background: #FEBC2E; }
.browser-frame__dot:nth-child(3) { background: #28C840; }

.browser-frame__url {
  flex: 1;
  background: #1C1D1F;
  border-radius: 5px;
  padding: 4px 12px;
  font-size: 0.7rem;
  color: #8A8A8A;
  font-family: var(--font-sans);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
}
.browser-frame__screen { background: #F9F9F7; overflow: hidden; }
.browser-frame__screen img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  object-position: top;
  display: block;
}
.browser-frame--dark .browser-frame__screen { background: #0A0A12; }

/* ================================================
   STATS BAR
   ================================================ */
.work-stats {
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.work-stats__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.work-stat {
  padding: 36px 24px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.work-stat:last-child { border-right: none; }
.work-stat__num {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1;
  color: var(--accent);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.work-stat__label {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ================================================
   FEATURES SECTION
   ================================================ */
.work-features {
  background: var(--bg-alt);
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.work-features__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px;
}
.work-features__header { margin-bottom: 40px; }
.work-features__label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.work-features__title {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  color: var(--text);
  line-height: 1.3;
}
.work-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.work-feature {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 24px;
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}
.work-feature:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.07);
  transform: translateY(-2px);
}
.work-feature__icon {
  width: 40px;
  height: 40px;
  background: var(--accent-lt);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}
.work-feature__icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; }
.work-feature__title {
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}
.work-feature__desc {
  font-size: 0.82rem;
  color: var(--text-mid);
  line-height: 1.9;
}

/* ================================================
   Responsive
   ================================================ */
@media (max-width: 900px) {
  .work-detail {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 64px 32px;
  }
  .work-header__inner { padding: 64px 32px 48px; }
  .work-sub-visuals__inner { padding: 0 32px; }
  .work-sub-visuals__grid { grid-template-columns: 1fr; }
  .nav__links, .nav__btn { display: none; }
  .work-showcase { padding: 40px 24px 0; }
  .work-stats__inner { padding: 0 24px; }
  .work-stat { padding: 28px 12px; }
  .work-features__inner { padding: 0 24px; }
  .work-features__grid { grid-template-columns: 1fr; gap: 14px; }
}

@media (max-width: 640px) {
  .nav__inner,
  .footer__inner { padding-left: 20px; padding-right: 20px; }
  .work-header__inner { padding: 48px 20px 36px; }
  .work-detail { padding: 48px 20px; }
  .work-nav__item { padding: 32px 20px; }
  .work-nav__title { font-size: 1.2rem; }
  .work-nav__inner { grid-template-columns: 1fr; }
  .work-nav__item { border-right: none; border-bottom: 1px solid var(--border); text-align: left; align-items: flex-start; }
  .footer__inner { flex-direction: column; gap: 16px; text-align: center; }
  .work-showcase { padding: 32px 16px 0; }
  .work-stats__inner { padding: 0 16px; }
  .work-features__inner { padding: 0 16px; }
  .work-features__grid { grid-template-columns: 1fr; }
}