/* ============================================
   nuunuu nagara — main stylesheet
   Colors: #795648 accent / #25272F text / #fff base
   Fonts: Outfit (Latin) / Zen Kaku Gothic New (JP)
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600&family=Zen+Kaku+Gothic+New:wght@300;400;500;700&display=swap');

/* ---------- reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brown:   #795648;
  --brown-light: #a07460;
  --dark:    #25272F;
  --gray:    #6b6d76;
  --gray-light: #f5f3f0;
  --line:    #e8e4df;
  --white:   #ffffff;
  --font-en: 'Outfit', sans-serif;
  --font-jp: 'Zen Kaku Gothic New', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp);
  color: var(--dark);
  background: var(--white);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- typography ---------- */
.en { font-family: var(--font-en); }

h1, h2, h3, h4 {
  font-family: var(--font-en);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.section-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 48px;
}

.section-title .en-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brown);
}

.section-title h2 {
  font-size: clamp(22px, 3vw, 30px);
  color: var(--dark);
}

.section-title p {
  font-size: 14px;
  color: var(--gray);
  text-align: center;
  margin-top: 8px;
  font-family: var(--font-jp);
  font-weight: 300;
}

/* ---------- layout ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 88px 0; }

section:nth-child(even) { background: var(--gray-light); }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 13px 36px;
  border: 1.5px solid var(--dark);
  color: var(--dark);
  transition: background 0.25s, color 0.25s;
  cursor: pointer;
}

.btn:hover {
  background: var(--dark);
  color: var(--white);
}

.btn-brown {
  background: var(--brown);
  border-color: var(--brown);
  color: var(--white);
}

.btn-brown:hover {
  background: var(--brown-light);
  border-color: var(--brown-light);
  color: var(--white);
}

/* ---------- header / nav ---------- */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  height: 64px;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-logo {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--dark);
}

.site-logo span {
  color: var(--brown);
}

/* desktop nav */
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--dark);
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 1.5px;
  background: var(--brown);
  transform: scaleX(0);
  transition: transform 0.2s;
}

.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-shop-btn {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 8px 20px;
  background: var(--brown);
  color: var(--white);
  transition: background 0.2s;
}

.nav-shop-btn:hover { background: var(--brown-light); }

/* hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--dark);
  transition: transform 0.25s, opacity 0.25s;
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* mobile drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0; bottom: 0;
  background: var(--white);
  z-index: 99;
  padding: 40px 32px;
  flex-direction: column;
  gap: 28px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-nav.open { transform: translateX(0); }

.mobile-nav a {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--dark);
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
}

.mobile-nav .mobile-shop-btn {
  margin-top: 8px;
  font-size: 14px;
  text-align: center;
}

/* page top offset */
.page-content { padding-top: 64px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: calc(100svh - 64px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #faf8f6;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-image: url('../images/hero.jpg');
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(255,255,255,0.88) 45%, rgba(255,255,255,0.0));
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 560px;
  padding: 60px 24px;
  margin-left: clamp(24px, 8vw, 120px);
}

.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--dark);
  margin-bottom: 24px;
  line-height: 1.25;
}

.hero h1 em {
  font-style: normal;
  color: var(--brown);
}

.hero-sub {
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 300;
  color: var(--gray);
  margin-bottom: 40px;
  line-height: 1.9;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- concept strip ---------- */
.concept-strip {
  background: var(--dark);
  padding: 20px 0;
  overflow: hidden;
}

.concept-strip-inner {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  animation: marquee 20s linear infinite;
}

.concept-strip span {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  flex-shrink: 0;
}

.concept-strip span.dot {
  color: var(--brown);
  letter-spacing: 0;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- concept section ---------- */
.concept-section { background: var(--white); }

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.concept-image {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--gray-light);
}

.concept-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.concept-image:hover img { transform: scale(1.03); }

.concept-text .eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: 16px;
}

.concept-text h2 {
  font-size: clamp(22px, 2.5vw, 30px);
  margin-bottom: 24px;
}

.concept-text p {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray);
  line-height: 2;
  margin-bottom: 16px;
}

.concept-text .btn { margin-top: 24px; }

/* ---------- products section ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-card-image {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--gray-light);
  margin-bottom: 16px;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card-image img { transform: scale(1.05); }

.product-card-body { flex: 1; display: flex; flex-direction: column; }

.product-card h3 {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 8px;
}

.product-card p {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray);
  flex: 1;
  margin-bottom: 16px;
}

.product-card .card-link {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--brown);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.product-card .card-link::after {
  content: '→';
  transition: transform 0.2s;
}

.product-card:hover .card-link::after { transform: translateX(4px); }

.products-cta {
  text-align: center;
  margin-top: 56px;
}

/* ---------- drops (free patterns) ---------- */
.drops-section {
  background: var(--brown);
  color: var(--white);
}

.drops-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.drops-text .section-title {
  align-items: flex-start;
}

.drops-text .section-title .en-label { color: rgba(255,255,255,0.6); }
.drops-text .section-title h2 { color: var(--white); }
.drops-text .section-title p { color: rgba(255,255,255,0.75); text-align: left; }

.drops-text p {
  font-size: 14px;
  font-weight: 300;
  line-height: 2;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}

.btn-white {
  background: var(--white);
  border-color: var(--white);
  color: var(--brown);
}

.btn-white:hover {
  background: transparent;
  color: var(--white);
}

.drops-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: rgba(255,255,255,0.15);
}

.drops-image img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- blog link ---------- */
.blog-section { background: var(--white); }

.blog-link-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1.5px solid var(--line);
  overflow: hidden;
  transition: box-shadow 0.25s;
}

.blog-link-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.08); }

.blog-link-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--gray-light);
}

.blog-link-image img { width: 100%; height: 100%; object-fit: cover; }

.blog-link-body {
  padding: 48px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.blog-link-body .eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: 16px;
}

.blog-link-body h2 {
  font-size: clamp(20px, 2.5vw, 26px);
  margin-bottom: 16px;
}

.blog-link-body p {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray);
  line-height: 2;
  margin-bottom: 32px;
}

/* ---------- instagram section ---------- */
.instagram-section { background: var(--gray-light); }

.instagram-section .section-title { margin-bottom: 32px; }

.instagram-handle {
  text-align: center;
  margin-bottom: 40px;
}

.instagram-handle a {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--brown);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.instagram-handle a:hover { opacity: 0.75; }

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
  margin-bottom: 40px;
}

.instagram-grid .ig-item {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--line);
}

.instagram-grid .ig-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s;
}

.instagram-grid .ig-item:hover img { opacity: 0.85; }

.instagram-note {
  text-align: center;
  font-size: 13px;
  color: var(--gray);
  font-weight: 300;
  margin-bottom: 32px;
}

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

/* ---------- footer ---------- */
#site-footer {
  background: var(--dark);
  color: var(--white);
  padding: 64px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .site-logo {
  color: var(--white);
  display: block;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 13px;
  font-weight: 300;
  color: rgba(255,255,255,0.5);
  line-height: 1.9;
}

.footer-col h4 {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brown-light);
  margin-bottom: 16px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
  font-size: 13px;
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-family: var(--font-en);
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.05em;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  transition: color 0.2s;
}

.footer-social a:hover { color: var(--white); }

/* ---------- page hero (inner pages) ---------- */
.page-hero {
  background: var(--gray-light);
  padding: 80px 0 64px;
  text-align: center;
}

.page-hero .breadcrumb {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--gray);
  margin-bottom: 16px;
}

.page-hero .breadcrumb a { color: var(--brown); }
.page-hero .breadcrumb a:hover { text-decoration: underline; }

.page-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  color: var(--dark);
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray);
}

/* ---------- about page ---------- */
.about-lead {
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 300;
  line-height: 2;
  color: var(--dark);
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.value-card {
  padding: 40px 32px;
  border: 1.5px solid var(--line);
  text-align: center;
}

.value-card .number {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 300;
  color: var(--brown);
  opacity: 0.4;
  margin-bottom: 16px;
  display: block;
}

.value-card h3 {
  font-size: 16px;
  margin-bottom: 12px;
}

.value-card p {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.9;
}

.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-story-image {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--gray-light);
}

.about-story-image img { width: 100%; height: 100%; object-fit: cover; }

.about-story-text .eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brown);
  margin-bottom: 16px;
}

.about-story-text h2 { font-size: clamp(20px, 2.5vw, 28px); margin-bottom: 24px; }

.about-story-text p {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray);
  line-height: 2;
  margin-bottom: 16px;
}

/* ---------- products page ---------- */
.product-category {
  margin-bottom: 72px;
}

.product-category h2 {
  font-size: 22px;
  margin-bottom: 8px;
  padding-bottom: 16px;
  border-bottom: 1.5px solid var(--line);
}

.product-category .cat-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray);
  margin: 12px 0 32px;
}

.products-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
}

.product-detail-card {
  border: 1.5px solid var(--line);
  overflow: hidden;
  transition: box-shadow 0.25s;
}

.product-detail-card:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.07); }

.product-detail-card .card-image {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--gray-light);
}

.product-detail-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.product-detail-card:hover .card-image img { transform: scale(1.04); }

.product-detail-card .card-body {
  padding: 20px 24px 24px;
}

.product-detail-card h3 {
  font-size: 15px;
  margin-bottom: 8px;
}

.product-detail-card .desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 16px;
}

.product-detail-card .features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.product-detail-card .tag {
  font-size: 11px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  color: var(--gray);
  font-family: var(--font-jp);
  font-weight: 300;
}

.product-detail-card .btn {
  width: 100%;
  text-align: center;
  font-size: 12px;
  padding: 10px 0;
}

/* ---------- contact page ---------- */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
}

.contact-info h2 {
  font-size: 20px;
  margin-bottom: 24px;
}

.contact-info p {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray);
  line-height: 2;
  margin-bottom: 32px;
}

.contact-channels { display: flex; flex-direction: column; gap: 16px; }

.contact-channel {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.contact-channel .ch-label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brown);
  min-width: 80px;
}

.contact-form { display: flex; flex-direction: column; gap: 24px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.form-group label .req {
  color: var(--brown);
  margin-left: 4px;
  font-size: 11px;
}

.form-group input,
.form-group textarea,
.form-group select {
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 300;
  border: 1.5px solid var(--line);
  padding: 12px 16px;
  background: var(--white);
  color: var(--dark);
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--brown); }

.form-group textarea { min-height: 180px; resize: vertical; }

.form-submit { margin-top: 8px; }

.form-submit .btn { width: 100%; text-align: center; padding: 16px 0; }

.form-note {
  font-size: 12px;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.8;
  margin-top: 16px;
}

/* ---------- base contact box ---------- */
.base-contact-box {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 48px;
  border: 1.5px solid var(--line);
  height: 100%;
  justify-content: center;
}

.base-contact-lead {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 400;
  line-height: 1.7;
  color: var(--dark);
}

.base-contact-note {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.9;
}

.base-contact-box .btn {
  align-self: flex-start;
}

.base-contact-sub {
  font-size: 12px;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.9;
}

/* ---------- scroll fade animation ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  section { padding: 64px 0; }

  .concept-grid,
  .drops-inner,
  .blog-link-card,
  .about-story,
  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }

  .blog-link-card { display: flex; flex-direction: column; }
  .blog-link-body { padding: 32px; }

  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

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

  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: flex; }
}

@media (max-width: 560px) {
  section { padding: 48px 0; }
  .container { padding: 0 16px; }

  .products-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .instagram-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }

  .hero h1 { font-size: 28px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { text-align: center; }
}