@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/jetbrains-mono-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/jetbrains-mono-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/jetbrains-mono-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/jetbrains-mono-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #0c0d0e;
  --fg: #e7e5df;
  --fg-dim: #83867e;
  --fg-dimmer: #55584f;
  --accent: #d99a52;
  --border: #24262a;
  --gutter: 44px;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #faf9f7;
    --fg: #17181a;
    --fg-dim: #6b6e68;
    --fg-dimmer: #9a9d95;
    --accent: #a2661f;
    --border: #e0ded8;
  }
}
:root[data-theme="light"] {
  --bg: #faf9f7;
  --fg: #17181a;
  --fg-dim: #6b6e68;
  --fg-dimmer: #9a9d95;
  --accent: #a2661f;
  --border: #e0ded8;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--mono); }
a { color: inherit; text-decoration: none; }
.dim { color: var(--fg-dim); }
.small { font-size: 12px; }

.page { min-height: 100%; display: flex; flex-direction: column; }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 28px 56px; border-bottom: 1px solid var(--border);
}
.brand { font-size: 13px; font-weight: 500; letter-spacing: 0.16em; }
.nav-links { display: flex; align-items: center; gap: 36px; font-size: 13px; }
.nav-links .current { color: var(--fg); border-bottom: 1px solid var(--fg); padding-bottom: 3px; }
.nav-links a { color: var(--fg-dim); }
.theme {
  background: none; border: 1px solid var(--border); color: var(--fg-dim);
  font-family: var(--mono); font-size: 12px; line-height: 1; cursor: pointer;
  padding: 6px 9px;
}
.theme:hover { border-color: var(--accent); color: var(--accent); }
:root[data-theme="dark"] .i-light { display: none; }
:root[data-theme="light"] .i-dark { display: none; }

.hero { padding: 72px 56px 48px; }
.hero h1 { margin: 0; font-size: 32px; font-weight: 500; line-height: 1.35; max-width: 560px; letter-spacing: -0.01em; }
.hero p { margin: 18px 0 0; color: var(--fg-dim); font-size: 14px; max-width: 480px; line-height: 1.6; }

.gallery { display: flex; flex-direction: column; gap: var(--gutter); padding: 8px 56px 64px; }
.row { display: flex; column-gap: 1.8%; row-gap: var(--gutter); align-items: flex-start; }
.row-part { justify-content: center; }
.index { color: var(--fg-dimmer); margin-right: 10px; }
.tile { width: var(--w); display: flex; flex-direction: column; gap: 14px; }
.frame { border: 1px solid var(--border); line-height: 0; }
.frame img { width: 100%; height: auto; display: block; }
.title { margin: 0; font-size: 14px; font-weight: 500; color: var(--fg); }
.meta { margin: 4px 0 0; font-size: 12px; color: var(--fg-dim); }

.back { padding: 32px 56px 0; }
.back a { color: var(--fg-dim); font-size: 13px; }

.layout {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 72px;
  padding: 28px 56px 64px; align-items: start;
}
.frame-detail { width: min(100%, var(--dw, 700px)); margin-inline: auto; }

.info h1 { margin: 0; font-size: 26px; font-weight: 500; }
.info h1 .index { font-size: 26px; }
.info .sub { margin: 10px 0 0; font-size: 13px; color: var(--fg-dim); }
.rule { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.edition { margin: 0; font-size: 13px; color: var(--fg-dim); }
.label { margin: 0 0 16px; font-size: 11px; letter-spacing: 0.1em; color: var(--fg-dim); text-transform: uppercase; }

.size-row {
  display: flex; align-items: center; gap: 16px; padding: 14px 0;
  border-bottom: 1px solid var(--border); font-size: 14px;
}
.size-row:last-of-type { border-bottom: none; }
.size-label { flex: 1; color: var(--fg); }
.size-price { color: var(--fg-dim); width: 56px; }
.size-row form { margin: 0; display: inline-flex; }
.buy-btn-sm {
  background: none; border: 1px solid var(--border); color: var(--accent);
  font-family: var(--mono); font-size: 12px; padding: 8px 14px; cursor: pointer;
}
.buy-btn-sm:hover { border-color: var(--accent); }
.note { margin: 16px 0 0; line-height: 1.6; }

.content { padding: 72px 56px 64px; max-width: 600px; }
.content h1 { margin: 0 0 28px; font-size: 26px; font-weight: 500; }
.content p { margin: 0 0 18px; font-size: 14px; line-height: 1.75; color: var(--fg); }
.content a { color: var(--accent); }
.content strong { font-weight: 500; color: var(--fg); }
.story p { margin: 16px 0 0; font-size: 13px; line-height: 1.7; color: var(--fg-dim); }

.contact { margin: 0; }
.contact div { display: flex; gap: 10px; font-size: 13px; padding: 7px 0; }
.contact dt { color: var(--fg-dim); min-width: 96px; }
.contact dd { margin: 0; color: var(--fg); }
.contact a { color: var(--accent); }

.footer {
  margin-top: auto; padding: 24px 56px; border-top: 1px solid var(--border);
  text-align: center; font-size: 12px; color: var(--fg-dim);
}

@media (max-width: 860px) {
  .row { flex-wrap: wrap; justify-content: flex-start; }
  .tile { width: calc((100% - 1.8%) / 2); }
  .layout { grid-template-columns: 1fr; }
  .frame-detail { width: 100%; }
}
@media (max-width: 520px) {
  .nav, .hero, .gallery, .back, .layout, .content, .footer { padding-left: 24px; padding-right: 24px; }
  .tile { width: 100%; }
}