:root {
  --cream: #f5edd8;
  --sand: #efe6d2;
  --beige: #e8dcc4;
  --tan: #d9c9a8;
  --gold-light: #f5d98a;
  --gold: #d4a94a;
  --gold-dark: #8b6a2b;
  --ink: #2a2012;
  --ink-muted: #3a2f1f;
  --ink-soft: #6b5a3e;
  --dark-bg: #1a1410;
  --darker-bg: #0f0b08;
  --border: 0.5px solid rgba(139, 106, 43, 0.25);
  --border-strong: 0.5px solid rgba(139, 106, 43, 0.3);
  --border-dark: 0.5px solid rgba(212, 169, 74, 0.25);
  --radius-card: 12px;
  --radius-pill: 999px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font: 400 13px/1.8 "Noto Sans JP", "Inter", system-ui, sans-serif;
}

a {
  color: inherit;
}

.container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.section {
  padding: 80px 0;
}

.section-sand {
  background: var(--sand);
}

.section-beige {
  background: var(--beige);
}

.label {
  font: 500 10px/1.4 "Inter", system-ui, sans-serif;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-dark);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(40px, 8vw, 60px);
  line-height: 1.2;
  margin-top: 16px;
}

h2 {
  font-size: clamp(28px, 5vw, 36px);
  line-height: 1.3;
  margin-top: 12px;
}

h3 {
  font-size: 22px;
  line-height: 1.4;
}

p {
  margin: 0;
  color: var(--ink-soft);
}

.lead,
.lead-medium {
  font-size: 15px;
  color: var(--ink-muted);
}

.lead-medium {
  font-weight: 500;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(245, 237, 216, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 500 14px/1.2 "Inter", system-ui, sans-serif;
  text-decoration: none;
}

.brand-logo {
  display: inline-flex;
  width: 30px;
  height: 30px;
}

.site-nav {
  display: flex;
  gap: 22px;
}

.site-nav a {
  text-decoration: none;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 92vh;
  display: grid;
  align-items: center;
  background: linear-gradient(120deg, var(--cream), #e0d2b5);
}

.hero-visual {
  position: absolute;
  inset: 0;
  animation: lightFloat 14s ease-in-out infinite alternate;
}

.hero-visual svg {
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 660px;
}

.hero-cta {
  margin-top: 28px;
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  text-decoration: none;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--gold);
  color: #231807;
  font-weight: 500;
}

.btn:hover,
.btn-primary:hover {
  filter: brightness(0.95);
  transform: translateY(-1px);
}

.btn-link {
  font-weight: 500;
  text-underline-offset: 5px;
}

.scroll-indicator {
  position: absolute;
  right: 30px;
  bottom: 20px;
  text-decoration: none;
  font-size: 10px;
  letter-spacing: 0.3em;
  writing-mode: vertical-rl;
}

.split {
  display: grid;
  gap: 40px;
  grid-template-columns: minmax(240px, 1fr) minmax(320px, 1.4fr);
}

.values-grid,
.service-grid,
.process-grid,
.works-grid {
  margin-top: 48px;
  border-top: var(--border-strong);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.values-grid article,
.service-grid article,
.process-grid article,
.works-grid article {
  padding: 24px;
  border-right: var(--border);
}

.values-grid article:last-child,
.process-grid article:last-child,
.works-grid article:last-child {
  border-right: 0;
}

.values-grid span,
.service-grid span {
  font: 500 10px/1 "Inter", system-ui, sans-serif;
  letter-spacing: 0.22em;
  color: var(--gold-dark);
}

.values-grid h3,
.service-grid h3,
.process-grid h3,
.works-grid h3 {
  margin-top: 14px;
  margin-bottom: 10px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.service-grid article {
  border-bottom: var(--border);
}

.service-grid article:nth-child(2n) {
  border-right: 0;
}

.cta-line {
  border-top: var(--border-strong);
  padding-top: 18px;
  margin-top: 18px;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.works-grid article {
  min-height: 180px;
  background: rgba(217, 201, 168, 0.28);
  border-radius: var(--radius-card);
}

.team-grid {
  margin-top: 48px;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
}

.member-card {
  border: var(--border);
  border-radius: var(--radius-card);
  padding: 16px;
  background: rgba(245, 237, 216, 0.45);
}

.member-photo {
  aspect-ratio: 1;
  border-radius: var(--radius-card);
  background: var(--tan);
  display: grid;
  place-items: center;
  color: var(--gold-dark);
  font: 500 32px/1 "Noto Serif JP", serif;
  margin-bottom: 12px;
  overflow: hidden;
}

.member-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-role {
  font: 500 10px/1.4 "Inter", system-ui, sans-serif;
  letter-spacing: 0.2em;
  color: var(--gold-dark);
}

.member-name {
  margin-top: 6px;
  font: 500 15px/1.5 "Noto Sans JP", sans-serif;
  color: var(--ink-muted);
}

.member-bio {
  margin-top: 6px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: var(--border-strong);
  display: inline-grid;
  place-items: center;
  font: 500 12px/1 "Inter", system-ui, sans-serif;
  color: var(--gold-dark);
}

.badge.is-final {
  background: var(--gold);
  color: #2b1e0a;
}

.process-note {
  margin-top: 20px;
}

.section-contact {
  color: rgba(245, 237, 216, 0.9);
  background: var(--dark-bg);
  position: relative;
}

.section-contact::before {
  content: "CN";
  position: absolute;
  top: 40px;
  right: 40px;
  font: 500 150px/1 "Noto Serif JP", serif;
  color: rgba(245, 237, 216, 0.08);
  pointer-events: none;
}

.section-contact .label,
.section-contact h2,
.section-contact p,
.section-contact a {
  color: inherit;
}

.contact-split {
  align-items: start;
}

.contact-form {
  border: var(--border-dark);
  border-radius: var(--radius-card);
  background: rgba(245, 237, 216, 0.04);
  padding: 24px;
  display: grid;
  gap: 16px;
}

.contact-form label,
.contact-form legend {
  font-size: 12px;
  color: rgba(245, 237, 216, 0.9);
}

.contact-form input,
.contact-form textarea {
  margin-top: 8px;
  width: 100%;
  border: 0;
  border-bottom: var(--border-dark);
  background: transparent;
  color: #f5edd8;
  padding: 8px 2px;
  font: inherit;
}

.contact-form textarea {
  border: var(--border-dark);
  border-radius: var(--radius-card);
  padding: 12px;
}

.contact-form fieldset {
  border: 0;
  padding: 0;
  margin: 0;
}

.pill-options {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill-options input {
  position: absolute;
  opacity: 0;
}

.pill-options span {
  display: inline-block;
  border-radius: var(--radius-pill);
  border: var(--border-dark);
  padding: 8px 14px;
  font-size: 12px;
}

.pill-options input:checked + span {
  background: var(--gold);
  color: #231807;
  border-color: var(--gold);
}

.form-note {
  font-size: 11px;
  color: rgba(245, 237, 216, 0.75);
}

.footer {
  background: var(--darker-bg);
  color: rgba(245, 237, 216, 0.9);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 24px;
}

.footer-brand {
  font: 500 22px/1.4 "Noto Serif JP", serif;
  color: var(--gold-light);
}

.footer-title {
  color: var(--gold);
  letter-spacing: 0.16em;
  font: 500 10px/1.5 "Inter", sans-serif;
  margin-bottom: 10px;
}

.footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer li + li {
  margin-top: 6px;
}

.footer-bottom {
  margin-top: 30px;
  padding-top: 16px;
  border-top: var(--border-dark);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes lightFloat {
  0% {
    transform: translateX(-18px);
  }
  100% {
    transform: translateX(18px);
  }
}

@media (max-width: 1024px) {
  .values-grid {
    grid-template-columns: 1fr;
  }

  .values-grid article {
    border-right: 0;
    border-bottom: var(--border);
  }

  .values-grid article:last-child {
    border-bottom: 0;
  }

  .team-grid {
    grid-template-columns: repeat(2, minmax(140px, 1fr));
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

}

@media (max-width: 768px) {
  .container {
    width: min(1200px, calc(100% - 32px));
  }

  .section {
    padding: 64px 0;
  }

  .menu-toggle {
    display: inline-flex;
    border: var(--border);
    background: transparent;
    border-radius: var(--radius-pill);
    padding: 8px 16px;
    font: 500 10px/1.4 "Inter", sans-serif;
    letter-spacing: 0.2em;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 16px;
    right: 16px;
    background: var(--cream);
    border: var(--border);
    border-radius: var(--radius-card);
    padding: 14px;
    display: none;
    flex-direction: column;
  }

  .site-nav.is-open {
    display: flex;
  }

  .split {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service-grid,
  .works-grid,
  .process-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .service-grid article,
  .works-grid article,
  .process-grid article {
    border-right: 0;
  }

  .scroll-indicator {
    right: 12px;
  }
}

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

  .hero-visual,
  .reveal {
    animation: none !important;
    transition: none !important;
  }
}