@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;600;700&family=Playfair+Display:ital@0;1&display=swap');

:root {
  /* Color Palette — Deep Forest Leather Atelier */
  --ink:           #020c07;
  --forest-darkest:#020c07;
  --forest-deeper: #051a10;
  --forest-deep:   #082616;
  --forest:        #0c331e;
  --forest-light:  #103b24;
  --moss:          #5a7560;
  --cream:         #c9c4b8;
  --parchment:     #e8e2d0;
  --tan:           #8b6f47;
  --rust:          #6b4226;

  /* Typography */
  --serif-jp:      "Noto Serif JP", serif;
  --serif-elegant: "Playfair Display", serif;

  /* Spacing Scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ────────────────────── RESET & BASE ────────────────────── */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--cream);
  background: var(--forest-darkest);
  overflow-x: hidden;
}

/* Suppress default link color */
a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ────────────────────── PAGE STRUCTURE ────────────────────── */

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 26, 16, 0.92);
  border-bottom: 1px solid rgba(201, 196, 184, 0.08);
  backdrop-filter: blur(10px);
  padding: 1.2rem var(--space-5);
}

.header-content {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.brand {
  margin-right: auto;
}

.brand {
  font-family: var(--serif-jp);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--parchment);
  line-height: 1.1;
}

.brand-kanji {
  display: block;
  font-size: 0.65rem;
  color: var(--moss);
  letter-spacing: 0.4em;
  margin-top: 0.2rem;
}

.nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-4);
}

.nav a {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
  transition: color 0.25s var(--ease), border-bottom-color 0.25s var(--ease);
  border-bottom: 1px solid transparent;
  padding-bottom: 0.25rem;
}

.nav a:hover,
.nav a.is-active {
  color: var(--parchment);
  border-bottom-color: var(--tan);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lang-selector {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.lang-selector a {
  color: var(--cream);
  padding: 0 0.3rem;
  transition: color 0.25s var(--ease);
}

.lang-selector a:hover {
  color: var(--parchment);
}

.lang-selector .sep {
  opacity: 0.4;
  margin: 0 0.2rem;
}

.site-main {
  flex: 1;
  background: linear-gradient(180deg, #031b10 0%, #082616 50%, #020c07 100%);
  position: relative;
}

/* Subtle paper-grain texture overlay for hand-crafted depth */
.site-main::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 2px,
      rgba(201, 196, 184, 0.006) 2px,
      rgba(201, 196, 184, 0.006) 3px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 2px,
      rgba(0, 0, 0, 0.015) 2px,
      rgba(0, 0, 0, 0.015) 3px
    );
  pointer-events: none;
  z-index: 0;
}

.site-main > * {
  position: relative;
  z-index: 1;
}

.site-footer {
  border-top: 1px solid rgba(201, 196, 184, 0.08);
  padding: var(--space-5) var(--space-5) var(--space-4);
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cream);
  background: var(--forest-deeper);
}

.site-footer__mark {
  font-family: var(--serif-jp);
  font-size: 1.2rem;
  letter-spacing: 0.5em;
  color: var(--moss);
  margin-bottom: var(--space-2);
  font-weight: 400;
  text-transform: none;
}

.site-footer__meta {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  opacity: 0.55;
}

.site-footer__meta span {
  display: inline-block;
}

.site-footer__meta .dot {
  opacity: 0.5;
}

/* ────────────────────── TYPOGRAPHY ────────────────────── */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--serif-jp);
  font-weight: 600;
  color: var(--parchment);
  margin: 0 0 var(--space-2);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.05;
  animation: fadeInUp 0.9s var(--ease) forwards;
  opacity: 0;
  animation-delay: 0.2s;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.1;
}

/* Bilingual heading — Japanese subtitle below English */
.heading-jp {
  display: block;
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--moss);
  margin-top: 0.6rem;
  text-transform: none;
}

h1 .heading-jp,
h2 .heading-jp {
  animation: fadeIn 1.2s var(--ease) 0.6s forwards;
  opacity: 0;
}

/* Latin subtitle — used on JP pages under Japanese headings */
.heading-en {
  display: block;
  font-family: var(--serif-elegant);
  font-style: italic;
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  color: var(--moss);
  margin-top: 0.7rem;
  text-transform: none;
}

h1 .heading-en,
h2 .heading-en {
  animation: fadeIn 1.2s var(--ease) 0.6s forwards;
  opacity: 0;
}

h3 {
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

h4 {
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

p {
  margin: 0 0 var(--space-2);
  max-width: 65ch;
  color: var(--cream);
}

.lede {
  font-family: var(--serif-elegant);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--parchment);
  max-width: 70ch;
  line-height: 1.7;
}

.eyebrow {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: var(--space-1);
}

/* ────────────────────── SECTIONS ────────────────────── */

.section {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-5);
  position: relative;
}

.section + .section {
  border-top: 1px solid rgba(201, 196, 184, 0.06);
}

.section h2 {
  max-width: 20ch;
  margin-bottom: var(--space-3);
}

.section > p:not(.lede),
.section > .lede {
  margin-bottom: var(--space-3);
}

.hero {
  display: grid;
  align-items: center;
  min-height: 80vh;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-5);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -15%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(139, 111, 71, 0.18), transparent 70%);
  border-radius: 50%;
  z-index: 0;
  animation: drift 12s ease-in-out infinite alternate;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(45, 90, 58, 0.25), transparent 65%);
  border-radius: 50%;
  z-index: 0;
  animation: drift 14s ease-in-out infinite alternate-reverse;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero .lede {
  animation: fadeInUp 0.9s var(--ease) 0.4s forwards;
  opacity: 0;
}

.hero .eyebrow {
  animation: fadeInUp 0.7s var(--ease) 0.05s forwards;
  opacity: 0;
}

@keyframes drift {
  from { transform: translate(0, 0); }
  to   { transform: translate(40px, -30px); }
}

/* ────────────────────── GRIDS & LAYOUTS ────────────────────── */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.feature {
  padding: 0;
  border: none;
  background: transparent;
}

.feature h3 {
  color: var(--parchment);
  margin-bottom: var(--space-1);
  transition: color 0.25s var(--ease);
}

.feature p {
  font-size: 0.95rem;
  margin: 0;
  color: var(--cream);
}

.feature:hover h3 {
  color: var(--tan);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.two-col__media {
  aspect-ratio: 4 / 5;
  background:
    radial-gradient(ellipse at 35% 25%, rgba(139, 111, 71, 0.4), transparent 55%),
    linear-gradient(135deg, var(--rust) 0%, var(--ink) 100%);
  border: 1px solid rgba(201, 196, 184, 0.12);
  position: relative;
  overflow: hidden;
}

.two-col__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 1px,
    rgba(201, 196, 184, 0.02) 1px,
    rgba(201, 196, 184, 0.02) 2px
  );
  pointer-events: none;
}

/* ────────────────────── PRODUCTS ────────────────────── */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.product-card {
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease);
}

.product-card:hover {
  transform: translateY(-6px);
}

.product-card__image {
  aspect-ratio: 4 / 5;
  background:
    radial-gradient(ellipse at 30% 25%, rgba(232, 226, 208, 0.15), transparent 55%),
    linear-gradient(135deg, #a47148 0%, #5e3a1c 100%);
  border: 1px solid rgba(201, 196, 184, 0.12);
  margin-bottom: var(--space-2);
  position: relative;
}

.product-card__image.--cognac {
  background:
    radial-gradient(ellipse at 30% 25%, rgba(232, 226, 208, 0.15), transparent 55%),
    linear-gradient(135deg, #a06b3b 0%, #5e3a1c 100%);
}

.product-card__image.--natural {
  background:
    radial-gradient(ellipse at 30% 25%, rgba(232, 226, 208, 0.15), transparent 55%),
    linear-gradient(135deg, #c79669 0%, #7a4f2b 100%);
}

.product-card__image.--chocolate {
  background:
    radial-gradient(ellipse at 30% 25%, rgba(232, 226, 208, 0.15), transparent 55%),
    linear-gradient(135deg, #5a3520 0%, #2a1810 100%);
}

.product-card__image.--black {
  background:
    radial-gradient(ellipse at 30% 25%, rgba(232, 226, 208, 0.15), transparent 55%),
    linear-gradient(135deg, #2a2520 0%, #0a0805 100%);
}

.product-card__image.--olive {
  background:
    radial-gradient(ellipse at 30% 25%, rgba(232, 226, 208, 0.15), transparent 55%),
    linear-gradient(135deg, #5a5a3a 0%, #2a2d1a 100%);
}

.product-card__image.--burgundy {
  background:
    radial-gradient(ellipse at 30% 25%, rgba(232, 226, 208, 0.15), transparent 55%),
    linear-gradient(135deg, #6b2a2a 0%, #2a0d0d 100%);
}

.product-card__name {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--parchment);
  margin: 0;
}

.product-card__meta {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--moss);
  margin-top: var(--space-1);
}

.product-card__desc {
  font-size: 0.9rem;
  color: var(--cream);
  margin: var(--space-1) 0 0;
}

/* ────────────────────── IMAGERY (zen / nature) ────────────────────── */

/* Hero with full-bleed background photograph — content anchored bottom-left (Aimoriyama style) */
.hero--imaged {
  min-height: 92vh;
  isolation: isolate;
  overflow: hidden;
  max-width: none;
  padding: 0;
  width: 100%;
  display: flex;
  align-items: flex-end;
  position: relative;
}

.hero--imaged > :not(.hero-bg):not(.hero-veil):not(.hero-scroll) {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  padding: 0 var(--space-5) var(--space-6);
  align-self: end;
}

/* Scroll indicator (bottom-right) */
.hero-scroll {
  position: absolute;
  right: var(--space-5);
  bottom: var(--space-4);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--cream);
  opacity: 0.85;
}

.hero-scroll__line {
  display: block;
  width: 1px;
  height: 70px;
  background: linear-gradient(to bottom,
    rgba(201, 196, 184, 0.2) 0%,
    rgba(201, 196, 184, 0.85) 100%);
  transform-origin: top;
  animation: scrollPulse 2.4s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%   { transform: scaleY(0.4); opacity: 0.4; }
  50%  { transform: scaleY(1);   opacity: 1;   }
  100% { transform: scaleY(0.4); opacity: 0.4; }
}

@media (max-width: 768px) {
  .hero-scroll {
    display: none;
  }
}

.hero--imaged .hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-size: cover;
  background-position: center;
  filter: saturate(0.9) brightness(0.9) contrast(1.05);
  animation: heroDrift 30s ease-in-out infinite alternate;
}

.hero--imaged::before,
.hero--imaged::after {
  display: none;
}

.hero--imaged > div {
  position: relative;
  z-index: 1;
}

/* Atmospheric vignette over hero photo — light, only enough to anchor text */
.hero--imaged .hero-veil {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(180deg,
      rgba(2, 12, 7, 0.05) 0%,
      rgba(2, 12, 7, 0.15) 40%,
      rgba(2, 12, 7, 0.55) 75%,
      rgba(2, 12, 7, 0.85) 100%
    ),
    linear-gradient(90deg,
      rgba(2, 12, 7, 0.55) 0%,
      rgba(2, 12, 7, 0.25) 35%,
      rgba(2, 12, 7, 0) 60%
    );
  pointer-events: none;
}

@keyframes heroDrift {
  from { transform: scale(1.05) translate(0, 0); }
  to   { transform: scale(1.12) translate(-30px, -20px); }
}

/* Elegant framed photograph */
.image-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(201, 196, 184, 0.12);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
  background: var(--forest-deeper);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.85);
  transition: filter 0.6s var(--ease), transform 0.8s var(--ease);
}

.image-frame:hover img {
  filter: saturate(0.85) brightness(0.95);
  transform: scale(1.03);
}

.image-frame--portrait {
  aspect-ratio: 4 / 5;
}

.image-frame--landscape {
  aspect-ratio: 16 / 10;
}

.image-frame--square {
  aspect-ratio: 1;
}

/* Subtle accent imagery — sits between sections */
.section-accent {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.section-accent .image-frame {
  max-height: 60vh;
}

/* Decorative single-line photo strip */
.image-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.image-strip .image-frame {
  aspect-ratio: 3 / 4;
}

@media (max-width: 768px) {
  .image-strip {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  .hero--imaged {
    min-height: 70vh;
  }
}

/* ────────────────────── BUTTONS & LINKS ────────────────────── */

.btn-outline {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  background: transparent;
  border: 1px solid var(--parchment);
  color: var(--parchment);
  font-family: var(--serif-jp);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), letter-spacing 0.3s var(--ease);
  cursor: pointer;
}

.btn-outline:hover,
.btn-outline:focus {
  background: var(--parchment);
  color: var(--forest-deep);
  letter-spacing: 0.35em;
  outline: none;
}

.text-center {
  text-align: center;
}

.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }

.max-w-narrow { max-width: 700px; }
.hero-compact { min-height: 40vh; }

.inline-link {
  color: var(--parchment);
  border-bottom: 1px solid var(--tan);
  transition: border-bottom-color 0.25s var(--ease), color 0.25s var(--ease);
}

.inline-link:hover {
  color: var(--tan);
  border-bottom-color: var(--parchment);
}

/* ────────────────────── FORMS ────────────────────── */

.form {
  display: grid;
  gap: var(--space-3);
  max-width: 500px;
}

.form-group {
  display: grid;
  gap: var(--space-1);
}

.form label {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--moss);
}

.form input,
.form textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(201, 196, 184, 0.3);
  color: var(--parchment);
  font-family: var(--serif-jp);
  font-size: 1rem;
  padding: 0.5rem 0;
  outline: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.form textarea {
  resize: vertical;
  min-height: 120px;
}

.form input:focus,
.form textarea:focus {
  border-bottom-color: var(--parchment);
  color: var(--parchment);
}

.form button {
  justify-self: start;
  margin-top: var(--space-2);
  padding: 0.8rem 2rem;
  background: transparent;
  border: 1px solid var(--parchment);
  color: var(--parchment);
  font-family: var(--serif-jp);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.form button:hover {
  background: var(--parchment);
  color: var(--forest-deep);
}

/* ────────────────────── INFO LISTS ────────────────────── */

.info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.info-list-item {
  border-bottom: 1px solid rgba(201, 196, 184, 0.08);
  padding-bottom: var(--space-2);
}

.info-list-item:last-child {
  border-bottom: none;
}

.info-label {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 0.3rem;
}

.info-value {
  color: var(--cream);
  font-size: 0.95rem;
}

.info-value a {
  color: var(--parchment);
  border-bottom: 1px solid transparent;
  transition: border-bottom-color 0.25s var(--ease);
}

.info-value a:hover {
  border-bottom-color: var(--tan);
}

/* ────────────────────── ANIMATIONS ────────────────────── */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.section h2,
.section h3 {
  animation: fadeIn 0.6s var(--ease) forwards;
  opacity: 0;
}

/* Stagger animations for feature cards on scroll */
.feature:nth-child(1) {
  animation: fadeInUp 0.6s var(--ease) 0.1s forwards;
  opacity: 0;
}

.feature:nth-child(2) {
  animation: fadeInUp 0.6s var(--ease) 0.2s forwards;
  opacity: 0;
}

.feature:nth-child(3) {
  animation: fadeInUp 0.6s var(--ease) 0.3s forwards;
  opacity: 0;
}

.feature:nth-child(4) {
  animation: fadeInUp 0.6s var(--ease) 0.4s forwards;
  opacity: 0;
}

/* ────────────────────── RESPONSIVE ────────────────────── */

@media (max-width: 1024px) {
  .site-header {
    padding: 1rem var(--space-3);
  }

  .nav {
    gap: var(--space-3);
  }

  .nav a {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
  }

  .section {
    padding: var(--space-5) var(--space-4);
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .hero {
    padding: var(--space-5) var(--space-4);
  }
}

@media (max-width: 880px) {
  .header-content {
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: var(--space-2);
    padding-top: var(--space-2);
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 0.8rem var(--space-3);
  }

  .brand {
    font-size: 0.9rem;
  }

  .header-right {
    gap: var(--space-2);
  }

  .nav {
    gap: var(--space-2);
    font-size: 0.75rem;
  }

  .section {
    padding: var(--space-4) var(--space-3);
  }

  .hero {
    min-height: 50vh;
    padding: var(--space-4) var(--space-3);
  }

  .feature-grid,
  .product-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .lede {
    font-size: 1rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: 0.6rem var(--space-2);
  }

  .brand {
    font-size: 0.75rem;
  }

  .nav {
    flex-direction: column;
    gap: var(--space-1);
    text-align: center;
  }

  .section {
    padding: var(--space-3) var(--space-2);
  }

  h1 {
    font-size: 1.4rem;
  }

  p, .lede {
    font-size: 0.9rem;
  }
}