@font-face {
  font-family: "Source Serif 4";
  src: url("/assets/fonts/source-serif-4-regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

.brand-content {
  max-width: 1352px;
  margin: 0 auto;
  padding: 0 var(--home-gutter);
}

.brand-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  padding: clamp(48px, 6vw, 84px) 0 40px;
}

.brand-intro h1 {
  font-size: clamp(48px, 5.3vw, 78px);
  font-weight: 560;
  font-variation-settings: "wdth" 94, "opsz" 64;
  letter-spacing: -0.038em;
  line-height: 1;
}

.brand-intro p { margin-top: 20px; color: var(--home-ink-muted); }
.brand-intro > div:first-child > p { max-width: 36ch; font-size: 20px; }
.brand-download { flex: 0 0 auto; }
.brand-download-link { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 60px; padding: 16px 24px; background: var(--home-carmine); color: var(--home-white); font-size: 17px; font-weight: 600; line-height: 1.25; text-decoration: none; transition: background 180ms var(--home-ease); }
.brand-page main .brand-download-link:hover { background: var(--home-carmine-dark); color: var(--home-white); }
.brand-download p { margin-top: 12px; font-size: 13px; }

.brand-index {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  padding: 20px 0;
  border-block: 1px solid var(--home-rule);
  font-size: 14px;
}

.brand-page main a:not(.brand-download-link):hover { color: var(--home-carmine); }

.brand-section {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  column-gap: clamp(32px, 5vw, 76px);
  padding: 60px 0;
  border-bottom: 1px solid var(--home-rule-soft);
  scroll-margin-top: 24px;
}

.brand-section:last-child { border-bottom: 0; }
.brand-section h2 { font-size: 28px; font-weight: 620; letter-spacing: -0.02em; line-height: 1.15; }
.brand-section-heading > p { margin-top: 14px; color: var(--home-ink-muted); max-width: 26ch; }
.brand-section h3 { font-size: 15px; font-weight: 600; line-height: 1.5; }
.brand-section-body { min-width: 0; }
.brand-section p { max-width: 70ch; }
.brand-section figure { margin: 0; min-width: 0; }
.brand-section figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 14px; font-size: 14px; }
.brand-section figcaption > span:first-child { font-weight: 600; }
.asset-links { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; font-weight: 400; }
.file-detail { color: var(--home-ink-muted); font-weight: 400; font-size: 13px; }

.logo-gallery { display: grid; grid-template-columns: 1.8fr 1fr; gap: 24px; }
.logo-field { display: grid; place-items: center; height: 236px; background: var(--home-paper-muted); padding: 30px; }
.logo-field-lockup img { width: min(100%, 365px); height: auto; }
.logo-field-seal img { width: 116px; height: 116px; }
.brand-usage { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 34px; }
.brand-usage p { margin-top: 8px; color: var(--home-ink-muted); font-size: 15px; }
.avatar-download { display: flex; align-items: center; gap: 16px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--home-rule-soft); }
.avatar-download img { flex: 0 0 56px; }
.avatar-download p { font-size: 14px; color: var(--home-ink-muted); }
.avatar-download > a { flex: 0 0 auto; margin-left: auto; font-size: 14px; }
.avatar-download .file-detail { display: block; }

.brand-palette { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.brand-swatch { display: block; height: 84px; margin-bottom: 12px; }
.brand-palette dt { font-weight: 600; font-size: 13px; }
.brand-palette dd { margin-top: 4px; font-size: 12px; font-family: var(--home-mono); color: var(--home-ink-muted); }
.swatch-carmine { background: var(--home-carmine); }
.swatch-paper { background: var(--home-paper); border: 1px solid var(--home-rule-soft); }
.swatch-ink { background: var(--home-ink); }
.swatch-body { background: var(--home-ink-body); }
.swatch-muted { background: var(--home-ink-muted); }
.swatch-white { background: var(--home-white); border: 1px solid var(--home-rule-soft); }
.brand-note { margin-top: 22px; color: var(--home-ink-muted); font-size: 14px; }

.type-sample + .type-sample { padding-top: 28px; margin-top: 28px; border-top: 1px solid var(--home-rule-soft); }
.type-label { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px 20px; }
.type-label > span { font-size: 14px; color: var(--home-ink-muted); }
.type-sans { margin-top: 24px; font-size: clamp(34px, 3.3vw, 46px); font-weight: 560; line-height: 1.12; letter-spacing: -0.025em; font-variation-settings: "wdth" 104, "opsz" 64; }
.type-serif { margin: 20px 0; font: 400 clamp(25px, 2.5vw, 34px)/1.4 "Source Serif 4", Georgia, serif; letter-spacing: -0.012em; }
.type-sample .asset-links { margin-top: 14px; }

.brand-messaging { display: grid; gap: 30px; }
.brand-messaging h3 { margin-bottom: 10px; color: var(--home-ink-muted); }
.brand-headline { font-size: clamp(34px, 3.5vw, 50px); font-weight: 560; line-height: 1.08; letter-spacing: -0.03em; font-variation-settings: "wdth" 104, "opsz" 64; }
.brand-headline span { color: var(--home-carmine); }
.brand-messaging .brand-mechanism { font-size: clamp(20px, 2vw, 24px); line-height: 1.4; max-width: 40ch; }
.brand-messaging .text-link { justify-self: start; }

.banner-gallery { display: grid; gap: 32px; }
.banner-gallery figure > img { width: 100%; height: auto; border: 1px solid var(--home-rule-soft); }
.banner-gallery .file-detail { margin-left: 12px; }

@media (max-width: 1000px) {
  .brand-section { grid-template-columns: 176px minmax(0, 1fr); gap: 30px; }
  .brand-intro { align-items: start; flex-direction: column; gap: 28px; }
  .brand-palette { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px 16px; }
  .avatar-download { flex-wrap: wrap; }
  .avatar-download p { flex: 1 1 160px; }
  .avatar-download > a { margin-left: 72px; }
}

@media (max-width: 720px) {
  .brand-section { grid-template-columns: minmax(0, 1fr); padding: 38px 0; }
  .brand-section-heading > p { max-width: 40ch; margin-top: 10px; }
  .brand-section h2 { font-size: 27px; }
  .brand-index { gap: 10px 22px; }
  .brand-intro { padding-bottom: 30px; }
  .brand-download { width: 100%; }
  .brand-download-link { font-size: 15px; }
  .logo-gallery { grid-template-columns: 1.65fr 1fr; gap: 16px; }
  .logo-field { height: 166px; padding: 16px; }
  .logo-field-seal img { width: 82px; height: 82px; }
  .brand-usage { grid-template-columns: 1fr; gap: 24px; margin-top: 28px; }
  .brand-headline { font-size: clamp(30px, 7.8vw, 42px); }
  .brand-section figcaption { gap: 8px; }
  .brand-swatch { display: block; height: 66px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}