/* ============================================
   山下 亜紀 Official Website
   Monochrome & Refined Design — Full Rewrite
   ============================================ */

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

:root {
  --black: #0a0a0a;
  --dark: #1a1a1a;
  --gray-900: #222;
  --gray-800: #333;
  --gray-700: #444;
  --gray-600: #666;
  --gray-500: #888;
  --gray-400: #aaa;
  --gray-300: #ccc;
  --gray-200: #e0e0e0;
  --gray-100: #f2f2f0;
  --white: #fafaf8;
  --pure-white: #fff;

  --font-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-en: 'Bodoni Moda', 'Cormorant Garamond', 'Didot', 'Times New Roman', serif;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-jp);
  font-weight: 300;
  color: var(--gray-800);
  background-color: var(--white);
  line-height: 1.8;
  overflow-x: hidden;
}

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

/* --- Loader --- */
#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease-out-expo), visibility 0.8s;
}

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

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

.loader-text {
  display: block;
  font-family: var(--font-en);
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: 0.4em;
  color: var(--pure-white);
  opacity: 0;
  animation: loaderFadeIn 1s 0.2s forwards;
}

.loader-line {
  width: 60px;
  height: 1px;
  background: var(--gray-600);
  margin: 1.5rem auto 0;
  position: relative;
  overflow: hidden;
}

.loader-line::after {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: var(--pure-white);
  animation: loaderLine 1.5s 0.5s var(--ease-out-expo) forwards;
  transform: translateX(-100%);
}

@keyframes loaderFadeIn { to { opacity: 1; } }
@keyframes loaderLine { to { transform: translateX(0); } }

/* --- Navigation --- */
#header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 100;
  padding: 1.5rem 2.5rem;
  transition: background 0.4s, padding 0.4s, backdrop-filter 0.4s;
}

#header.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem 2.5rem;
}

.nav {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  color: var(--pure-white);
  transition: opacity 0.3s;
}

.nav-logo:hover { opacity: 0.6; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 24px; height: 1px;
  background: var(--pure-white);
  transition: transform 0.4s var(--ease-out-expo), opacity 0.3s;
}

.nav-toggle.active span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle.active span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.nav-menu { display: flex; gap: 2.2rem; }

.nav-menu a {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--gray-400);
  transition: color 0.3s;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--pure-white);
  transition: width 0.4s var(--ease-out-expo);
}

.nav-menu a:hover { color: var(--pure-white); }
.nav-menu a:hover::after { width: 100%; }

/* --- Hero (becky36 style) --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 750px;
  overflow: hidden;
  background: var(--gray-100);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(220, 220, 218, 0.6) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 40%, rgba(230, 230, 228, 0.4) 0%, transparent 50%);
}

.hero-images {
  position: absolute;
  inset: 0;
}

.hero-img {
  position: absolute;
  overflow: hidden;
}

.hero-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(15%) contrast(0.95);
  transition: transform 0.8s var(--ease-out-expo);
}

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

.hero-img--main {
  right: 5%;
  top: 0;
  width: 48%;
  height: 100%;
  z-index: 1;
}

.hero-img--sub {
  left: 8%;
  top: 18%;
  width: 28%;
  height: 52%;
  z-index: 2;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.hero-img--sub img {
  filter: grayscale(100%);
}

.hero-title-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  pointer-events: none;
}

.hero-title {
  text-align: center;
  mix-blend-mode: difference;
}

.hero-title-line {
  display: block;
  font-family: var(--font-en);
  font-weight: 400;
  font-size: clamp(4rem, 12vw, 10rem);
  letter-spacing: 0.05em;
  color: var(--pure-white);
  line-height: 0.95;
}

.hero-bottom {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 4;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 3rem 3rem;
}

.hero-tagline {
  font-weight: 200;
  font-size: clamp(0.8rem, 1.4vw, 1rem);
  letter-spacing: 0.1em;
  color: var(--gray-700);
  line-height: 2.2;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.hero-scroll span {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gray-600);
}

.hero-scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--gray-500), transparent);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  30% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  70% { opacity: 1; transform: scaleY(1); transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* --- Sections --- */
.section {
  padding: 8rem 2rem;
  position: relative;
}

.section--dark {
  background: var(--black);
  color: var(--gray-200);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 5rem;
  text-align: center;
}

.section-label {
  display: inline-block;
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 1.5rem;
}

.section--dark .section-label { color: var(--gray-600); }

.section-title {
  font-weight: 200;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: 0.15em;
  line-height: 1.6;
}

.section-title-en {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.15em;
  line-height: 1.2;
  color: var(--gray-800);
}

.section--dark .section-title-en { color: var(--pure-white); }

.section-subtitle {
  margin-top: 1.5rem;
  font-weight: 300;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--gray-500);
}

/* --- Philosophy (with side image) --- */
.philosophy-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: center;
}

.philosophy-image {
  overflow: hidden;
}

.philosophy-image img {
  width: 100%;
  height: auto;
  filter: grayscale(30%);
  transition: filter 0.6s;
}

.philosophy-image:hover img { filter: grayscale(0%); }

.philosophy-content {
  text-align: left;
}

.philosophy-quote {
  margin-bottom: 3rem;
  padding: 2rem 0;
  border-top: 1px solid var(--gray-800);
  border-bottom: 1px solid var(--gray-800);
}

.philosophy-quote p {
  font-weight: 200;
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  letter-spacing: 0.1em;
  line-height: 2;
  color: var(--pure-white);
}

.philosophy-desc {
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 2.2;
  margin-bottom: 3rem;
}

.philosophy-statement {
  padding: 2rem 2rem;
  border-left: 1px solid var(--gray-700);
}

.philosophy-lead {
  font-weight: 200;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  line-height: 2.4;
  color: var(--gray-300);
}

/* --- Photo Break (3-column strip) --- */
.photo-break {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  height: 300px;
  overflow: hidden;
}

.photo-break-item {
  overflow: hidden;
}

.photo-break-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
  transition: transform 0.6s var(--ease-out-expo), filter 0.6s;
}

.photo-break-item:hover img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

/* --- MVV --- */
.mvv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.mvv-card {
  padding: 3rem;
  border: 1px solid var(--gray-200);
  transition: border-color 0.4s;
}

.mvv-card:hover { border-color: var(--gray-800); }
.mvv-card--wide { grid-column: 1 / -1; }

.mvv-card-label {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--gray-500);
  margin-bottom: 1.5rem;
}

.mvv-card-title {
  font-weight: 300;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.mvv-card-text {
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 2;
}

.mvv-card-accent {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-200);
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.15em;
}

.value-list { display: flex; flex-direction: column; gap: 2rem; }

.value-item {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--gray-200);
}

.value-item:last-child { border-bottom: none; padding-bottom: 0; }

.value-num {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  flex-shrink: 0;
  padding-top: 0.2rem;
}

.value-item h4 { font-weight: 400; font-size: 1rem; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.value-item p { font-weight: 300; font-size: 0.85rem; color: var(--gray-600); line-height: 1.8; }

/* --- Business (with images) --- */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.business-card {
  border: 1px solid var(--gray-800);
  overflow: hidden;
  transition: border-color 0.4s;
}

.business-card:hover { border-color: var(--gray-600); }

.business-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.business-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(30%);
  transition: transform 0.6s var(--ease-out-expo), filter 0.6s;
}

.business-card:hover .business-card-img img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.business-card-body { padding: 2rem; }

.business-card-num {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gray-600);
  margin-bottom: 1rem;
}

.business-card-title {
  font-weight: 400;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  color: var(--pure-white);
}

.business-card-sub {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--gray-600);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}

.business-card-text {
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.9;
}

.business-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.2rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--gray-400);
  border-bottom: 1px solid var(--gray-700);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}

.business-card-link:hover { color: var(--pure-white); border-color: var(--pure-white); }
.business-card-link svg { transition: transform 0.3s var(--ease-out-expo); }
.business-card-link:hover svg { transform: translate(2px, -2px); }

/* --- Full-width Photo --- */
.photo-full {
  width: 100%;
  height: 60vh;
  min-height: 400px;
  overflow: hidden;
}

.photo-full img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: grayscale(15%);
}

/* --- 九星氣学 (2-column with images) --- */
.kisei-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: start;
}

.kisei-content { /* text column */ }

.kisei-images {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: sticky;
  top: 6rem;
}

.kisei-img {
  overflow: hidden;
}

.kisei-img img {
  width: 100%;
  filter: grayscale(25%);
  transition: filter 0.6s;
}

.kisei-img:hover img { filter: grayscale(0%); }

.kisei-lead {
  margin-bottom: 3rem;
}

.kisei-years {
  font-weight: 300;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--gray-500);
  margin-bottom: 2rem;
  text-align: center;
}

.kisei-quote {
  padding: 2.5rem;
  border: 1px solid var(--gray-200);
  font-weight: 300;
  font-size: 1rem;
  line-height: 2.2;
  letter-spacing: 0.05em;
  color: var(--gray-700);
}

.kisei-quote strong { font-weight: 500; color: var(--gray-900); }

.kisei-detail { margin-bottom: 3rem; }
.kisei-detail p { font-size: 0.9rem; color: var(--gray-600); line-height: 2; margin-bottom: 1.5rem; }
.kisei-detail p:last-child { margin-bottom: 0; }

.kisei-approach {
  margin-bottom: 3rem;
  padding: 2.5rem;
  background: var(--gray-100);
}

.kisei-approach h3 { font-weight: 400; font-size: 0.9rem; letter-spacing: 0.1em; margin-bottom: 1.5rem; }
.kisei-approach p { font-size: 0.85rem; color: var(--gray-600); line-height: 2; }

.kisei-services { margin-bottom: 3rem; }
.kisei-services h3 { font-weight: 400; font-size: 0.9rem; letter-spacing: 0.1em; margin-bottom: 1.5rem; }
.kisei-services > p { font-size: 0.85rem; color: var(--gray-600); line-height: 2; margin-bottom: 1.5rem; }

.kisei-list { display: flex; flex-direction: column; gap: 0.8rem; }

.kisei-list li {
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.9rem;
  color: var(--gray-700);
}

.kisei-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.7em;
  width: 6px; height: 1px;
  background: var(--gray-400);
}

.kisei-closing {
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid var(--gray-200);
}

.kisei-closing-text {
  font-weight: 300;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  line-height: 2.4;
  color: var(--gray-800);
}

/* --- Goods & Collaboration --- */
.goods-intro {
  text-align: center;
  margin-bottom: 4rem;
}

.goods-intro p {
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 2;
}

.goods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.goods-card {
  border: 1px solid var(--gray-800);
  overflow: hidden;
  transition: border-color 0.4s;
}

.goods-card:hover { border-color: var(--gray-600); }

.goods-card-img {
  aspect-ratio: 3/4;
  overflow: hidden;
}

.goods-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: transform 0.6s var(--ease-out-expo), filter 0.6s;
}

.goods-card:hover .goods-card-img img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.goods-card-body { padding: 1.5rem; }

.goods-card-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gray-500);
  border: 1px solid var(--gray-700);
  padding: 0.2rem 0.8rem;
  margin-bottom: 1rem;
}

.goods-card-body h3 {
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
  color: var(--pure-white);
}

.goods-card-body p {
  font-weight: 300;
  font-size: 0.8rem;
  color: var(--gray-500);
  line-height: 1.8;
}

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

.goods-cta-inner {
  padding: 4rem 3rem;
  border: 1px solid var(--gray-700);
}

.goods-cta-title {
  font-weight: 400;
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  color: var(--pure-white);
}

.goods-cta-text {
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 2;
  margin-bottom: 2rem;
}

.goods-cta-badge {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.goods-cta-badge span {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--gray-500);
  border: 1px solid var(--gray-700);
  padding: 0.4rem 1.2rem;
}

/* --- Photo Gallery (4-column) --- */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 350px;
  overflow: hidden;
}

.photo-gallery-item {
  overflow: hidden;
}

.photo-gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(25%);
  transition: transform 0.6s var(--ease-out-expo), filter 0.6s;
}

.photo-gallery-item:hover img {
  transform: scale(1.08);
  filter: grayscale(0%);
}

/* --- Profile --- */
.profile-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.profile-photo { overflow: hidden; }

.profile-photo img {
  width: 100%;
  filter: grayscale(20%);
  transition: filter 0.6s;
}

.profile-photo:hover img { filter: grayscale(0%); }

.profile-info {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.profile-name {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.profile-name-jp {
  font-weight: 200;
  font-size: 1.8rem;
  letter-spacing: 0.3em;
}

.profile-name-en {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: var(--gray-500);
}

.profile-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.profile-list li { font-size: 0.85rem; color: var(--gray-600); letter-spacing: 0.05em; }
.profile-list li small { color: var(--gray-500); }

.profile-desc {
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
}

.profile-desc p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 2;
  margin-bottom: 1.5rem;
}

.profile-desc p:last-child { margin-bottom: 0; }

/* --- Contact --- */
.contact-content {
  max-width: 700px;
  margin: 0 auto;
}

.contact-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.contact-method {
  text-align: center;
  padding: 3rem 2rem;
  border: 1px solid var(--gray-800);
  transition: border-color 0.4s;
}

.contact-method:hover { border-color: var(--gray-600); }

.contact-method-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  margin: 0 auto 1.5rem;
  border: 1px solid var(--gray-700);
  border-radius: 50%;
}

.contact-method-icon svg {
  width: 20px; height: 20px;
  stroke: var(--gray-500);
  fill: none;
  stroke-width: 1.5;
}

.contact-method h3 {
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
  color: var(--pure-white);
}

.contact-method p {
  font-weight: 300;
  font-size: 0.8rem;
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gray-300);
  border: 1px solid var(--gray-500);
  padding: 0.7rem 2rem;
  transition: background 0.3s, color 0.3s;
  cursor: pointer;
  background: none;
  text-decoration: none;
}

.contact-btn:hover { background: var(--pure-white); color: var(--black); }

.contact-btn--line {
  background: var(--gray-900);
  color: var(--pure-white);
  border-color: var(--gray-900);
}

.contact-btn--line:hover {
  background: var(--gray-700);
  border-color: var(--gray-700);
}

.contact-form-section {
  padding-top: 3rem;
  border-top: 1px solid var(--gray-800);
}

.contact-form-title {
  font-weight: 300;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--gray-500);
  text-align: center;
  margin-bottom: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--gray-400);
}

.form-group label .required {
  color: var(--gray-500);
  font-size: 0.7rem;
  margin-left: 0.3rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: 0.9rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--gray-700);
  background: rgba(255, 255, 255, 0.05);
  color: var(--gray-200);
  outline: none;
  transition: border-color 0.3s;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-600); }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--gray-400); }

.form-group textarea { min-height: 150px; resize: vertical; }

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-submit { margin-top: 1rem; text-align: center; }

.form-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--pure-white);
  background: var(--gray-900);
  border: 1px solid var(--gray-900);
  padding: 1rem 3rem;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s;
}

.form-submit-btn:hover { background: var(--gray-700); border-color: var(--gray-700); }
.form-submit-btn svg { transition: transform 0.3s var(--ease-out-expo); }
.form-submit-btn:hover svg { transform: translateX(4px); }

/* --- Footer --- */
.footer {
  background: var(--black);
  color: var(--gray-600);
  padding: 4rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand { display: flex; flex-direction: column; gap: 0.5rem; }

.footer-name {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--gray-400);
}

.footer-tagline {
  font-weight: 200;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--gray-600);
}

.footer-copy {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--gray-700);
}

/* --- Scroll Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
}

.fade-up.visible {
  animation: fadeUp 1s var(--ease-out-expo) forwards;
}

.delay-1 { animation-delay: 0.15s !important; }
.delay-2 { animation-delay: 0.3s !important; }
.delay-3 { animation-delay: 0.45s !important; }
.delay-4 { animation-delay: 0.6s !important; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.scroll-fade {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .business-grid { grid-template-columns: 1fr; }
  .goods-grid { grid-template-columns: 1fr 1fr; }
  .hero-img--sub { width: 32%; }
  .kisei-layout { grid-template-columns: 1fr; }
  .kisei-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    position: static;
  }
}

@media (max-width: 768px) {
  .section { padding: 5rem 1.5rem; }
  .section-header { margin-bottom: 3rem; }
  #header { padding: 1rem 1.5rem; }

  .nav-toggle { display: flex; }

  .nav-menu {
    position: fixed; inset: 0;
    background: var(--black);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0; visibility: hidden;
    transition: opacity 0.5s var(--ease-out-expo), visibility 0.5s;
    z-index: 105;
  }

  .nav-menu.open { opacity: 1; visibility: visible; }
  .nav-menu a { font-size: 1rem; color: var(--gray-300); }

  .hero-img--sub { display: none; }
  .hero-img--main { right: 0; width: 65%; }
  .hero-title-line { font-size: clamp(3rem, 15vw, 5rem); }

  .hero-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
    padding: 0 1.5rem 2rem;
  }

  .philosophy-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .philosophy-content { text-align: center; }
  .philosophy-statement { text-align: left; }

  .photo-break { height: 200px; }
  .photo-gallery { grid-template-columns: repeat(2, 1fr); height: 280px; }
  .photo-full { height: 40vh; min-height: 250px; }

  .mvv-grid { grid-template-columns: 1fr; }
  .mvv-card { padding: 2rem; }
  .value-item { flex-direction: column; gap: 0.5rem; }

  .goods-grid { grid-template-columns: 1fr; }
  .goods-cta-inner { padding: 2.5rem 1.5rem; }
  .goods-cta-badge { flex-direction: column; align-items: center; gap: 0.5rem; }

  .contact-methods { grid-template-columns: 1fr; gap: 1.5rem; }

  .profile-content { grid-template-columns: 1fr; gap: 2.5rem; }
  .profile-photo { max-width: 350px; }

  .footer-inner { flex-direction: column; gap: 2rem; text-align: center; }
  .footer-brand { align-items: center; }

  .hero { min-height: 100vh; min-height: 100svh; }
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .section { padding: 4rem 1.2rem; }
  .hero-tagline br { display: none; }
  .photo-break { height: 160px; }
  .photo-gallery { height: 200px; }
  .contact-method { padding: 2rem 1.5rem; }
}