:root {
  color-scheme: light;
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  --background: #dfdfc1;
  --background-soft: #ececd6;
  --foreground: #0b0d0b;
  --muted-foreground: #29564e;
  --accent: #1588b2;
  --accent-soft: rgba(21, 136, 178, 0.18);
  --border: #b1b1a5;
  --surface: rgba(250, 250, 244, 0.58);
  --surface-strong: rgba(250, 250, 244, 0.76);
  --primary: var(--accent);
  --primary-foreground: #dfdfc1;
  --rail: rgba(11, 13, 11, 0.15);
  --wash-a: rgba(21, 136, 178, 0.22);
  --wash-b: rgba(11, 13, 11, 0.1);
  --shadow: 0 16px 40px rgba(9, 28, 30, 0.09);
  --cta-shadow: rgba(21, 136, 178, 0.28);
  --tech-corner-size: 12px;
  --tech-stroke: rgba(52, 80, 72, 0.44);
  --tech-inner: rgba(249, 252, 250, 0.52);
  --tech-grid: rgba(11, 13, 11, 0.09);
  --tech-topline: rgba(21, 136, 178, 0.72);
  --tech-sheen: rgba(21, 136, 178, 0.13);
  --tech-accent-glow: rgba(21, 136, 178, 0.2);
  --flow-line-start: rgba(255, 166, 207, 0.98);
  --flow-line-end: rgba(232, 43, 136, 0.98);
  --flow-glow-start: rgba(255, 209, 230, 0.92);
  --flow-glow-end: rgba(255, 123, 186, 0.95);

  --fourier-trace: rgba(20, 130, 167, 0.92);
  --fourier-trace-done: rgba(10, 92, 118, 0.95);
  --fourier-epicycle: rgba(21, 136, 178, 0.17);
  --fourier-link: rgba(11, 13, 11, 0.44);
  --fourier-head: rgba(17, 127, 164, 0.98);
  --fourier-head-glow: rgba(21, 136, 178, 0.5);
  --layout-max: 1180px;
  --layout-pad: clamp(16px, 4vw, 48px);
  --content-footer-gap: 78px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--foreground);
  background:
    radial-gradient(1200px 660px at 8% -6%, var(--wash-a), transparent 57%),
    radial-gradient(920px 540px at 94% 4%, var(--wash-b), transparent 62%),
    linear-gradient(180deg, var(--background-soft), var(--background));
  overflow-x: hidden;
}

.bg-noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, transparent 0, transparent calc(20% - 1px), var(--rail) calc(20% - 1px), var(--rail) 20%, transparent 20%, transparent calc(40% - 1px), var(--rail) calc(40% - 1px), var(--rail) 40%, transparent 40%, transparent calc(60% - 1px), var(--rail) calc(60% - 1px), var(--rail) 60%, transparent 60%, transparent calc(80% - 1px), var(--rail) calc(80% - 1px), var(--rail) 80%, transparent 80%, transparent),
    linear-gradient(var(--rail) 1px, transparent 1px),
    linear-gradient(90deg, var(--rail) 1px, transparent 1px);
  background-size: 100% 100%, 112px 112px, 112px 112px;
  opacity: 0.42;
}

.hero {
  width: min(var(--layout-max), calc(100% - var(--layout-pad) * 2));
  margin: 0 auto;
  padding: 60px 0 30px;
  display: grid;
  gap: 24px;
}

.hero-copy {
  max-width: 900px;
}

.eyebrow {
  margin: 0 0 9px;
  letter-spacing: 0.16em;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--muted-foreground);
  text-transform: uppercase;
  font-size: 0.74rem;
}

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.4vw, 4rem);
  font-weight: 520;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.lead {
  margin: 16px 0 0;
  color: var(--muted-foreground);
  max-width: 72ch;
  line-height: 1.7;
  font-size: clamp(0.95rem, 1.5vw, 1.12rem);
}

.fourier-stage {
  width: 100%;
  height: clamp(290px, 47vw, 470px);
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
  position: relative;
}

.fourier-stage::before {
  content: none;
}

#fourierCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.content {
  width: min(var(--layout-max), calc(100% - var(--layout-pad) * 2));
  margin: 0 auto;
  padding: 20px 0 var(--content-footer-gap);
  display: grid;
  gap: 14px;
}

.panel {
  position: relative;
  overflow: visible;
  border: none;
  border-radius: 0;
  clip-path: none;
  background: transparent;
  padding: clamp(6px, 1.5vw, 12px) 0;
  backdrop-filter: none;
  box-shadow: none;
}

.panel:not(.contact) {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.panel::before {
  content: none;
}

.panel::after {
  content: none;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: clamp(1.25rem, 2.1vw, 1.9rem);
  font-family: var(--font-display);
  font-weight: 540;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.panel p {
  margin: 0;
  color: var(--muted-foreground);
  line-height: 1.72;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin: 12px 0 32px;
}

.card {
  position: relative;
  overflow: visible;
  border: none;
  border-left: 1px solid var(--tech-stroke);
  border-radius: 0;
  clip-path: none;
  background: transparent;
  padding: 4px 0 4px 14px;
  box-shadow: none;
  transition: transform 180ms ease, border-color 180ms ease;
}

.card::before {
  content: none;
}

.card::after {
  content: none;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.02rem;
  font-family: var(--font-body);
  font-weight: 650;
  letter-spacing: 0.01em;
}

.card p {
  margin: 0;
  color: var(--muted-foreground);
  line-height: 1.62;
}

.testimonials {
  margin-top: calc(clamp(24px, 4.5vw, 52px) + 8px);
  padding-bottom: clamp(18px, 3.2vw, 28px);
}

.review-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  justify-content: initial;
  overflow-x: visible;
  overflow-y: visible;
  align-items: flex-start;
  margin: 4px 0 0;
  padding: 2px 0 10px;
}

.review-list::-webkit-scrollbar {
  display: none;
}

.review-item {
  min-width: 0;
  margin: 0;
  padding: 4px 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: transform 180ms ease;
  text-align: left;
}

.review-item:hover {
  transform: translateY(-3px);
}

.review-item blockquote {
  margin: 0 0 14px;
  color: var(--foreground);
  line-height: 1.62;
  font-size: 0.96rem;
}

.review-item figcaption {
  margin: 0;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.contact {
  display: grid;
  gap: 13px;
  margin-top: calc(clamp(26px, 4.8vw, 56px) + 8px);
  padding-top: 18px;
  border-top: none;
  justify-items: end;
  text-align: right;
}

.showcase {
  margin-top: calc(clamp(22px, 4vw, 48px) + 8px);
  padding-top: clamp(10px, 1.8vw, 16px);
}

.showcase-head {
  max-width: 68ch;
  margin-bottom: clamp(14px, 2.1vw, 24px);
}

.showcase-intro {
  margin-top: 8px;
  color: color-mix(in srgb, var(--muted-foreground) 82%, var(--foreground) 18%);
}

.case-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 2.8vw, 30px);
}

.case-item {
  position: relative;
  margin: 0;
  padding: 2px 0 0 14px;
  border: none;
  border-left: 1px solid color-mix(in srgb, var(--accent) 32%, var(--tech-stroke) 68%);
  background: transparent;
  box-shadow: none;
  transition: transform 180ms ease, border-color 180ms ease;
}

.case-item::before {
  content: none;
}

.case-item:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 58%, var(--tech-stroke) 42%);
}

.case-meta {
  margin: 0 0 9px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted-foreground) 72%, var(--foreground) 28%);
}

.case-item h3 {
  margin: 0 0 8px;
  font-size: clamp(1.06rem, 1.5vw, 1.22rem);
  font-family: var(--font-display);
  font-weight: 560;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.case-item > p:not(.case-meta) {
  margin: 0;
}

.case-metrics {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.case-metrics li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 0;
  border: none;
  border-bottom: 1px dashed color-mix(in srgb, var(--tech-stroke) 70%, transparent 30%);
  background: transparent;
  box-shadow: none;
}

.case-metrics li:last-child {
  border-bottom: none;
}

.case-metrics span {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted-foreground) 76%, var(--foreground) 24%);
}

.case-metrics strong {
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 680;
  color: color-mix(in srgb, var(--foreground) 90%, var(--accent) 10%);
}

.overlay-stack {
  position: relative;
  isolation: isolate;
  margin-top: 2px;
}

.overlay-stack .panel {
  position: relative;
  z-index: 1;
}

.signal-field {
  position: absolute;
  top: clamp(-180px, -9vw, -88px);
  bottom: clamp(-34px, -2vw, -16px);
  left: clamp(-48px, -3vw, -20px);
  right: clamp(-420px, -24vw, -220px);
  margin: 0;
  height: auto;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 95%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 95%, transparent 100%);
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
}

.signal-field::before {
  content: none;
}

.sakura-tree-layer {
  position: absolute;
  left: -14vw;
  bottom: -10vw;
  width: clamp(160px, 20vw, 282px);
  height: clamp(230px, 28vw, 372px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.62;
  overflow: hidden;
  --tree-drop: 41px;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 14%, #000 76%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 14%, #000 76%, transparent 100%);
}

.sakura-tree-svg {
  width: 100%;
  height: 100%;
  display: block;
  transform: translateY(var(--tree-drop));
}

.sakura-silhouette {
  fill: color-mix(in srgb, var(--foreground) 72%, var(--muted-foreground) 28%);
}

.sakura-blooms {
  fill: color-mix(in srgb, var(--flow-line-end) 64%, var(--flow-glow-start) 36%);
  opacity: 0.78;
}

#flowCanvas {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 1;
}

.cta {
  display: inline-block;
  width: fit-content;
  text-decoration: none;
  color: var(--primary-foreground);
  font-family: var(--font-body);
  font-weight: 650;
  letter-spacing: 0.01em;
  padding: 11px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--primary);
  transition: transform 200ms ease, filter 200ms ease, box-shadow 200ms ease;
}

.cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 10px 24px var(--cta-shadow);
}

.site-footer {
  width: min(var(--layout-max), calc(100% - var(--layout-pad) * 2));
  margin: 0 auto;
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(34px, 6vw, 66px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 20px;
  row-gap: 8px;
  align-items: start;
}

.footer-brand {
  margin: 0;
  grid-column: 1;
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 1.9vw, 1.34rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--foreground);
}

.footer-note {
  margin: 0;
  grid-column: 1;
  color: var(--muted-foreground);
  font-size: 0.94rem;
  line-height: 1.6;
}

.footer-link {
  grid-column: 1;
  width: fit-content;
  margin-top: 2px;
  color: var(--accent);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-locale {
  margin: 2px 0 0;
  grid-column: 2;
  grid-row: 1 / span 3;
  justify-self: end;
  align-self: start;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}

.jp-flag {
  width: 16px;
  height: 11px;
  border: 1px solid color-mix(in srgb, var(--foreground) 20%, transparent);
  border-radius: 2px;
  background: radial-gradient(circle at center, #bc002d 0 36%, transparent 38%), #fff;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.12);
  flex: 0 0 auto;
}

@media (max-width: 1100px) {
  .review-list {
    display: flex;
    gap: 14px;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: visible;
    scroll-snap-type: x mandatory;
    margin: 4px -4px 0;
    padding: 2px 4px 10px;
    scrollbar-width: none;
  }

  .review-item {
    flex: 0 0 clamp(240px, 46vw, 320px);
    scroll-snap-align: start;
  }
}

@media (max-width: 920px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-list {
    grid-template-columns: 1fr;
  }

  .signal-field {
    right: clamp(-260px, -18vw, -140px);
  }

  .sakura-tree-layer {
    left: -12vw;
    bottom: -8vw;
  }

  .site-footer {
    /* no offset needed — centered by margin auto */
  }
}

@media (max-width: 760px) {
  .case-item {
    padding: 2px 0 0 12px;
  }

  .review-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin: 4px 0 0;
    padding: 2px 0 10px;
    overflow: visible;
    scroll-snap-type: none;
  }

  .review-item {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
    scroll-snap-align: none;
  }

  .contact {
    justify-items: start;
    text-align: left;
  }

  .site-footer {
    grid-template-columns: 1fr;
    column-gap: 0;
    row-gap: 10px;
  }

  .footer-locale {
    margin-top: 0;
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
    font-size: 0.62rem;
    letter-spacing: 0.13em;
    white-space: normal;
  }
}

@media (max-width: 640px) {
  :root {
    --layout-pad: 12px;
  }

  .hero {
    padding-top: 36px;
  }

  .fourier-stage {
    height: 300px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .signal-field {
    top: -56px;
    bottom: -10px;
    left: -12px;
    right: -96px;
  }

  .sakura-tree-layer {
    left: -10vw;
    bottom: -6vw;
    opacity: 0.45;
    --tree-drop: 33px;
  }

  .site-footer {
    padding-top: 22px;
  }
}