/* ===== Tokens ===== */
:root {
  --color-noir: #181614;
  --color-moss: #8B7B6A;
  --color-moss-text: #A89A87;
  --color-sand: #C8BA9E;
  --color-clouds: #EDE8DF;
  --color-divider: #2E2B28;
  --color-card: #1E1C1A;

  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Jost', sans-serif;
  --font-kanji: 'Noto Serif JP', serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 40px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 160px;

  --ease-default: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fade: 0.9s;
  --duration-hover: 0.2s;
  --duration-press: 0.1s;

  --radius-sm: 2px;
  --radius-md: 4px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-noir);
  color: var(--color-moss-text);
  font-family: var(--font-body), system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-display), Georgia, serif;
  font-weight: 300;
  color: var(--color-clouds);
  margin: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-sand);
  color: var(--color-noir);
  padding: var(--space-2) var(--space-3);
  z-index: 1000;
}

.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-sand);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
/* ===== Layout ===== */
/* ===== Components ===== */
.btn {
  display: inline-block;
  margin-top: var(--space-5);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform var(--duration-hover) var(--ease-default),
              background var(--duration-hover) var(--ease-default);
}

.btn--primary {
  background: var(--color-sand);
  color: var(--color-noir);
}

.btn--primary:hover {
  background: #d4c7ad;
  transform: scale(1.02);
}

.btn--primary:active {
  transform: scale(0.97);
  transition-duration: var(--duration-press);
}

@media (prefers-reduced-motion: reduce) {
  .btn--primary:hover,
  .btn--primary:active { transform: none; }
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--duration-hover) var(--ease-default),
              border-color var(--duration-hover) var(--ease-default);
}

.nav--solid {
  background: var(--color-noir);
  border-bottom-color: var(--color-divider);
}

.nav__logo {
  font-family: var(--font-display);
  color: var(--color-sand);
  letter-spacing: 0.05em;
}

.nav__kanji {
  font-family: var(--font-kanji);
}

.nav__link {
  color: var(--color-clouds);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 14px;
}

.nav__link:hover {
  color: var(--color-sand);
}

.philosophy-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 var(--space-4);
  border-right: 1px solid var(--color-divider);
  flex: 1 0 auto;
}

.philosophy-item:last-child { border-right: none; }

.philosophy-item__kanji {
  font-family: var(--font-kanji);
  font-size: 32px;
  color: var(--color-sand);
}

.philosophy-item__romaji {
  font-family: var(--font-body);
  font-size: 14px;
  margin-top: var(--space-2);
}

.philosophy-item__meaning {
  font-size: 12px;
  color: var(--color-moss-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-1);
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-divider);
  border-top: 2px solid var(--color-sand);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-fade) var(--ease-default) var(--delay, 0ms),
              transform var(--duration-fade) var(--ease-default) var(--delay, 0ms);
}

.card.is-visible { opacity: 1; transform: translateY(0); }

.card__icon { font-size: 28px; display: block; margin-bottom: var(--space-2); }
.card__icon--kanji { font-family: var(--font-kanji); }
.card h3 { font-size: 18px; margin-bottom: var(--space-1); }
.card p { font-size: 14px; color: var(--color-moss-text); margin: 0; }

@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
}

/* ===== Sections ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--space-5);
}

.watermark {
  position: absolute;
  font-family: var(--font-kanji);
  color: var(--color-sand);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
}

.watermark--hero {
  font-size: 600px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero__content {
  position: relative;
  max-width: 640px;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  animation: hero-rise var(--duration-fade) var(--ease-default) forwards;
  animation-delay: var(--duration-fade);
}

.hero__headline {
  font-size: 72px;
  font-style: italic;
  line-height: 1.15;
}

.hero__subtext {
  margin-top: var(--space-4);
  color: var(--color-moss-text);
  font-size: 16px;
}

@keyframes hero-rise {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero__content { animation: none; opacity: 1; transform: none; }
}

@media (max-width: 768px) {
  .hero__headline { font-size: 40px; }
  .watermark--hero { font-size: 320px; }
}

.philosophy__list {
  display: flex;
  justify-content: space-between;
  list-style: none;
  margin: 0;
  padding: var(--space-6) var(--space-5);
  border-top: 1px solid var(--color-sand);
  border-bottom: 1px solid var(--color-divider);
  overflow-x: auto;
  gap: var(--space-4);
}

.product {
  padding: var(--space-8) var(--space-5);
}

.product__grid {
  display: grid;
  grid-template-columns: 55% 45%;
  gap: var(--space-6);
  max-width: 1100px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-fade) var(--ease-default),
              transform var(--duration-fade) var(--ease-default);
}

.product__grid.is-visible { opacity: 1; transform: translateY(0); }

.product__label {
  color: var(--color-sand);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product__mockup {
  background: var(--color-card);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  min-height: 320px;
}

.product__zones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  max-width: 1100px;
  margin: var(--space-6) auto 0;
}

.zone {
  padding: var(--space-4);
  border-top: 2px solid var(--color-sand);
  background: var(--color-card);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-fade) var(--ease-default) var(--delay, 0ms),
              transform var(--duration-fade) var(--ease-default) var(--delay, 0ms);
}

.zone.is-visible { opacity: 1; transform: translateY(0); }

.zone__label { color: var(--color-sand); font-size: 12px; display: block; }
.zone__name { color: var(--color-clouds); font-family: var(--font-display); font-size: 20px; display: block; margin-top: var(--space-1); }

@media (prefers-reduced-motion: reduce) {
  .product__grid,
  .zone {
    transition: none;
  }
}

@media (max-width: 768px) {
  .product__grid, .product__zones { grid-template-columns: 1fr; }
}

/* Features — numbered list */
.features {
  position: relative;
  padding: var(--space-8) var(--space-5);
  max-width: 1100px;
  margin: 0 auto;
  overflow: hidden;
}

.watermark--features {
  font-size: 560px;
  top: 50%;
  right: -80px;
  transform: translateY(-50%);
}

.features__eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-moss-text);
  margin: 0 0 var(--space-5);
}

.features__headline { margin-bottom: var(--space-7); }

.features__title {
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1;
  display: block;
}

.features__title--muted { color: var(--color-moss); }

.features__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.feature-row {
  padding: var(--space-5) var(--space-4) var(--space-5) 0;
  border-top: 1px solid var(--color-divider);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-fade) var(--ease-default) var(--delay, 0ms),
              transform var(--duration-fade) var(--ease-default) var(--delay, 0ms);
}

.feature-row.is-visible { opacity: 1; transform: translateY(0); }

.feature-row__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-moss-text);
  margin-bottom: var(--space-3);
}

.feature-row__name {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--color-clouds);
  margin-bottom: var(--space-2);
}

.feature-row__desc {
  font-size: 13px;
  color: var(--color-moss-text);
  margin: 0;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .features__list { grid-template-columns: 1fr; }
  .watermark--features { display: none; }
}

/* Testimonials */
.testimonials {
  position: relative;
  padding: var(--space-8) var(--space-5);
  overflow: hidden;
}

.watermark--testimonials {
  font-size: 500px;
  top: 50%;
  right: -60px;
  transform: translateY(-50%);
}

.testimonials__eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-moss-text);
  margin: 0 0 var(--space-5);
}

.testimonials__headline {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.15;
  margin-bottom: var(--space-7);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  max-width: 1100px;
}

.testimonial {
  background: var(--color-card);
  border: 1px solid var(--color-divider);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-fade) var(--ease-default) var(--delay, 0ms),
              transform var(--duration-fade) var(--ease-default) var(--delay, 0ms);
}

.testimonial.is-visible { opacity: 1; transform: translateY(0); }

.testimonial__quote {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--color-clouds);
  line-height: 1.6;
  flex: 1;
  margin: 0;
}

.testimonial__name {
  color: var(--color-clouds);
  font-size: 14px;
  margin: 0;
}

.testimonial__role {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-moss-text);
  margin: 0;
}

@media (max-width: 768px) {
  .testimonials__grid { grid-template-columns: 1fr; }
  .watermark--testimonials { display: none; }
}

.product__mockup img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-md);
}

.buy {
  position: relative;
  z-index: 1;
  padding: var(--space-8) var(--space-5);
  overflow: hidden;
}

.watermark--buy {
  font-size: 480px;
  opacity: 0.05;
  top: 50%;
  left: 20%;
  transform: translate(-50%, -50%);
}

.buy__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
}

.buy__eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-moss-text);
  margin: 0 0 var(--space-5);
}

.buy__price {
  font-family: var(--font-display);
  font-size: clamp(72px, 10vw, 120px);
  color: var(--color-clouds);
  margin: 0;
  line-height: 1;
}

.buy__terms {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-moss-text);
  margin: var(--space-3) 0 var(--space-5);
}

.buy__pitch {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-clouds);
  margin: 0 0 var(--space-2);
}

.btn--buy {
  display: inline-block;
  margin-top: var(--space-5);
  padding: var(--space-3) var(--space-6);
  background: transparent;
  border: 1px solid var(--color-clouds);
  color: var(--color-clouds);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--duration-hover) var(--ease-default),
              color var(--duration-hover) var(--ease-default);
}

.btn--buy:hover {
  background: var(--color-clouds);
  color: var(--color-noir);
}

.buy__included-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-moss-text);
  margin: 0 0 var(--space-5);
  padding-top: var(--space-7);
}

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

.buy__included li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-divider);
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-clouds);
}

.buy__tag {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-moss-text);
}

@media (max-width: 768px) {
  .buy__grid { grid-template-columns: 1fr; }
}

.future {
  text-align: center;
  padding: var(--space-7) var(--space-5);
}

.future__form {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.future__input {
  background: var(--color-card);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  color: var(--color-clouds);
  font-family: var(--font-body);
  min-width: 260px;
}

.future__feedback {
  margin-top: var(--space-2);
  font-size: 13px;
  color: var(--color-sand);
  min-height: 1.2em;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.footer {
  text-align: center;
  padding: var(--space-7) var(--space-5);
  border-top: 1px solid var(--color-divider);
}

.footer__logo {
  font-family: var(--font-display);
  color: var(--color-sand);
}

.footer__tagline {
  margin-top: var(--space-2);
  font-style: italic;
  color: var(--color-moss-text);
}

.footer__detail {
  margin-top: var(--space-2);
  font-size: 12px;
  color: var(--color-sand);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer__copyright {
  margin-top: var(--space-4);
  font-size: 12px;
  color: var(--color-moss-text);
}

.footer__email {
  display: inline-block;
  margin-top: var(--space-3);
  font-size: 13px;
  color: var(--color-sand);
  text-decoration: none;
}

.footer__email:hover { text-decoration: underline; }

/* ===== Motion ===== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-noir);
  font-family: var(--font-kanji);
  font-size: 96px;
  color: var(--color-sand);
  opacity: 1;
  transition: opacity var(--duration-fade) var(--ease-default);
}

.loader__mark {
  opacity: 0;
  transform: scale(0.85);
  animation: loader-reveal var(--duration-fade) var(--ease-default) forwards;
}

.loader--hidden {
  opacity: 0;
  pointer-events: none;
}

@keyframes loader-reveal {
  to { opacity: 1; transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .nav { transition: none; }
  .loader { display: none; }
  .loader__mark { animation: none; opacity: 1; transform: none; }
}

.ambient-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(
    circle at 50% var(--scroll-glow-y, 50%),
    rgba(200, 186, 158, 0.06),
    transparent 60%
  );
}

@media (prefers-reduced-motion: reduce) {
  .ambient-glow { background: radial-gradient(circle at 50% 50%, rgba(200, 186, 158, 0.06), transparent 60%); }
}

.cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-sand);
  opacity: 0.15;
  filter: blur(8px);
  pointer-events: none;
  z-index: 999;
  transform: translate(-50%, -50%);
  transition: transform 0.12s linear;
  display: none;
}

.cursor-glow--active { display: block; }

@media (prefers-reduced-motion: reduce) {
  .cursor-glow { transition: none; }
}

/* ===== Preview Gallery ===== */
.preview {
  padding: var(--space-8) 0;
  text-align: center;
  overflow: hidden;
}

.preview__label {
  color: var(--color-sand);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 var(--space-3);
}

.preview__heading {
  font-size: 36px;
  margin-bottom: var(--space-6);
  padding: 0 var(--space-5);
}

.preview__track {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 0 var(--space-5) var(--space-4);
  cursor: grab;
  width: 100%;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
}

.preview__track::-webkit-scrollbar { display: none; }
.preview__track:active { cursor: grabbing; }

.preview__slide {
  flex: 0 0 min(780px, 85vw);
  scroll-snap-align: start;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-divider);
}

.preview__slide img {
  width: 100%;
  height: auto;
  display: block;
  pointer-events: none;
}

.preview__dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.preview__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-divider);
  transition: background var(--duration-hover) var(--ease-default),
              transform var(--duration-hover) var(--ease-default);
}

.preview__dot--active {
  background: var(--color-sand);
  transform: scale(1.4);
}

/* ===== Utilities ===== */