:root {
  color-scheme: light;
  --pine-frame: #0F261F;
  --pine-ink: #102820;
  --pine-muted: #455951;
  --riso-cream: #FAF7F0;
  --riso-paper: #F3EFE4;
  --riso-card: #FFFFFF;
  --riso-coral: #FF3B30;
  --riso-coral-dark: #E0281E;
  --riso-yellow: #FFD60A;
  --riso-mint: #16A34A;
  --border-ink: #102820;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Mono', 'Consolas', 'Courier New', monospace;
  background-color: var(--pine-frame);
  color: var(--pine-ink);
  font-family: var(--font-sans);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  padding: 22px 18px 40px;
  background-color: var(--pine-frame);
  color: var(--pine-ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--riso-coral);
  outline-offset: 3px;
}

::selection {
  background: var(--riso-yellow);
  color: var(--pine-ink);
}

h1, h2, h3, h4, p {
  margin: 0;
}

/* Outer Risograph Cream Zine Sheet inside Deep Pine Frame */
.zine-sheet {
  width: min(1380px, 100%);
  margin-inline: auto;
  background: var(--riso-cream);
  border-radius: 18px;
  border: 2.5px solid var(--pine-ink);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  padding-inline: clamp(20px, 4vw, 56px);
}

/* Studio Header */
.studio-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 22px;
  border-bottom: 1.5px solid var(--border-ink);
  flex-wrap: wrap;
}

.studio-brand {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.studio-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.studio-nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--pine-ink);
}

.studio-nav-link:hover {
  color: var(--riso-coral);
}

/* Language Menu */
.lang-menu {
  position: relative;
  font-family: var(--font-mono);
}

.lang-trigger {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1.5px solid var(--border-ink);
  background: var(--riso-paper);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}

.lang-trigger::-webkit-details-marker {
  display: none;
}

.lang-menu[open] .lang-trigger {
  background: var(--pine-ink);
  color: var(--riso-cream);
}

.lang-popover {
  position: absolute;
  inset-inline-end: 0;
  top: calc(100% + 8px);
  z-index: 40;
  width: 230px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--riso-card);
  border: 2px solid var(--border-ink);
  border-radius: 12px;
  box-shadow: 5px 5px 0 var(--pine-ink);
  padding: 6px;
  display: grid;
  gap: 2px;
}

.lang-opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 12px;
}

.lang-opt:hover {
  background: var(--riso-paper);
}

.lang-opt.is-active {
  background: var(--riso-yellow);
  font-weight: 800;
}

/* Pill Buttons */
.btn-coral {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  background: var(--riso-coral);
  color: #FFFFFF;
  border: 2px solid var(--pine-ink);
  box-shadow: 3px 3px 0 var(--pine-ink);
  font-size: 15px;
  font-weight: 700;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.btn-coral:hover {
  background: var(--riso-coral-dark);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--pine-ink);
}

.btn-coral-sm {
  padding: 9px 20px;
  font-size: 13px;
  box-shadow: 2px 2px 0 var(--pine-ink);
}

.btn-pill-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1.5px solid var(--border-ink);
  background: transparent;
  color: var(--pine-ink);
  font-size: 15px;
  font-weight: 600;
}

.btn-pill-outline:hover {
  background: var(--riso-paper);
}

/* Hero Pinboard Layout */
.hero-pinboard {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 32px;
  align-items: center;
  padding-block: 44px 52px;
  position: relative;
}

.hero-copy-col {
  position: relative;
  z-index: 2;
}

.hero-headline {
  font-size: clamp(40px, 4.8vw, 64px);
  font-weight: 850;
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--pine-ink);
}

.hero-lead-row {
  margin-top: 22px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-lead-text {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--pine-muted);
  max-width: 34ch;
}

/* Tilted Sunny-Yellow Risograph Stickers Stack */
.stickers-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  margin-inline-end: -28px;
  position: relative;
  z-index: 5;
}

[dir='rtl'] .stickers-stack {
  margin-inline-end: 0;
  margin-inline-start: -28px;
}

.riso-sticker {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 8px;
  background: var(--riso-yellow);
  color: var(--pine-ink);
  border: 2px solid var(--pine-ink);
  box-shadow: 3px 4px 0 rgba(16, 40, 32, 0.22);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.riso-sticker:nth-child(1) {
  transform: rotate(-4deg);
}

.riso-sticker:nth-child(2) {
  transform: rotate(-2deg);
  padding-inline: 22px;
}

.riso-sticker:nth-child(3) {
  transform: rotate(1.5deg);
}

.hero-buttons {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Art-Director Pinboard Window */
.pinboard-window {
  background: var(--riso-card);
  border: 2px solid var(--pine-ink);
  border-radius: 16px;
  box-shadow: 8px 10px 0 rgba(16, 40, 32, 0.14);
  padding: 18px;
}

.pinboard-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(16, 40, 32, 0.15);
  font-size: 13px;
  font-weight: 700;
}

.pinboard-controls {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pine-muted);
  letter-spacing: 0.15em;
}

/* 16-Reference Thumbnail Grid (4x3 + 4 badge rail) */
.pin-refs-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.pin-thumb {
  aspect-ratio: 1.15;
  border-radius: 8px;
  border: 1.5px solid var(--pine-ink);
  padding: 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  position: relative;
  overflow: hidden;
}

.pin-thumb.t-olive { background: #D7E3D4; }
.pin-thumb.t-sand { background: #EFE6D5; }
.pin-thumb.t-coral { background: #FDE2DD; }
.pin-thumb.t-sky { background: #DCEAF2; }

.pin-thumb-num {
  opacity: 0.65;
  font-size: 9px;
}

.pin-thumb-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.15;
}

/* 3 Poster Proofs Row inside Pinboard */
.poster-proofs-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.poster-proof {
  border-radius: 9px;
  border: 1.5px solid var(--pine-ink);
  padding: 12px 10px;
  min-height: 148px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.poster-proof.p-matcha {
  background: linear-gradient(180deg, #6E8B6B 0%, #B8CBB2 100%);
  color: #FFFFFF;
}

.poster-proof.p-cosmetics {
  background: linear-gradient(180deg, #DEC6B6 0%, #F4EAE2 100%);
  color: var(--pine-ink);
}

.poster-proof.p-tokyo {
  background: #F4EFE0;
  color: var(--pine-ink);
  border-width: 2px;
}

.poster-headline {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-align: center;
  padding-bottom: 6px;
  border-bottom: 1px solid currentColor;
}

.poster-proof.p-tokyo .poster-headline {
  color: var(--riso-coral);
  border-bottom-color: var(--pine-ink);
}

.poster-caption {
  font-family: var(--font-mono);
  font-size: 10px;
  text-align: center;
  opacity: 0.9;
}

/* Section Title */
.riso-section {
  padding-block: 40px;
  border-top: 1.5px solid rgba(16, 40, 32, 0.15);
}

.riso-h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 850;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}

/* Bold Rounded Comparison Matrix */
.matrix-box {
  border: 2.5px solid var(--pine-ink);
  border-radius: 14px;
  overflow: hidden;
  background: var(--riso-card);
}

.riso-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.riso-table th,
.riso-table td {
  padding: 16px 20px;
  border-bottom: 1.5px solid var(--pine-ink);
  border-inline-end: 1.5px solid var(--pine-ink);
  text-align: center;
}

.riso-table th:first-child,
.riso-table td:first-child {
  text-align: start;
  font-weight: 600;
}

.riso-table th:last-child,
.riso-table td:last-child {
  border-inline-end: none;
}

.riso-table tbody tr:last-child td {
  border-bottom: none;
}

.riso-table thead th {
  background: var(--riso-paper);
  font-size: 17px;
  font-weight: 800;
}

.icon-yes {
  color: var(--pine-ink);
  font-weight: 900;
  font-size: 18px;
}

.icon-no {
  color: var(--riso-coral);
  font-weight: 900;
  font-size: 18px;
}

/* Studio Workflow 3-Card Row */
.workflow-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.wf-card {
  background: var(--riso-card);
  border: 1.5px solid var(--pine-ink);
  border-radius: 12px;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.wf-title {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.25;
}

.wf-body {
  font-size: 14.5px;
  color: var(--pine-muted);
  line-height: 1.58;
}

.wf-prompt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--riso-paper);
  border-left: 3px solid var(--riso-coral);
}

/* Minimalist Accordion FAQ */
.riso-faq-list {
  border-top: 1.5px solid var(--pine-ink);
}

.riso-faq-item {
  border-bottom: 1.5px solid var(--pine-ink);
  padding-block: 18px;
}

.riso-faq-q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 16.5px;
  font-weight: 750;
}

.riso-faq-q::-webkit-details-marker {
  display: none;
}

.riso-faq-a {
  margin-top: 12px;
  font-size: 15px;
  color: var(--pine-muted);
  line-height: 1.62;
  max-width: 78ch;
}

/* Studio Colophon Footer */
.colophon-footer {
  padding-block: 32px 38px;
  border-top: 1.5px solid var(--pine-ink);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  font-size: 13px;
}

.colophon-label {
  color: var(--pine-muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.colophon-val {
  font-weight: 700;
}

.colophon-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.colophon-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--pine-ink);
  background: var(--riso-paper);
}

.colophon-chip:hover {
  background: var(--riso-yellow);
}

@media (max-width: 1024px) {
  .hero-pinboard,
  .workflow-cards,
  .colophon-footer {
    grid-template-columns: 1fr;
  }
  .stickers-stack {
    margin-inline-end: 0;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  body {
    padding: 10px 8px 24px;
  }
  .pin-refs-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .poster-proofs-grid {
    grid-template-columns: 1fr;
  }
  .riso-table th,
  .riso-table td {
    padding: 10px 8px;
    font-size: 13px;
  }
}