/* ==========================================================================
   YUKO HILL Official Website - Design System & Stylesheet
   Pure White Minimal Gallery Aesthetic
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Jost:ital,wght@0,300;0,400;0,500;1,300&family=Shippori+Mincho:wght@400;500&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
  --bg-color: #ffffff;
  --text-main: #111111;
  --text-body: #222222;
  --text-muted: #666666;
  --text-light: #999999;
  --border-light: #ececec;
  --border-hairline: #f2f2f2;
  --line-color: #06c755;
  --line-hover: #05b04b;
  
  --font-sans: 'Jost', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: 'Shippori Mincho', "Yu Mincho", "Hiragino Mincho ProN", serif;
  
  --header-height: 80px;
  --transition-gentle: 1.0s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.3s ease;
  --container-max-width: 1280px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-color);
  color: var(--text-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-body);
  line-height: 1.8;
  letter-spacing: 0.04em;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Typography Utilities --- */
.font-serif {
  font-family: var(--font-serif);
}

.font-sans {
  font-family: var(--font-sans);
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.6;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

/* --- Layout Container --- */
.container {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.container-narrow {
  width: 88%;
  max-width: 860px;
  margin: 0 auto;
}

main {
  flex: 1;
  padding-top: var(--header-height);
}

/* --- Header & Global Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.header-inner {
  width: 92%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo a {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
}

.site-logo .artist-subtitle {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-top: -2px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-main);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--text-main);
}

/* --- Language Selector --- */
.lang-selector {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-light);
  border-left: 1px solid var(--border-light);
  padding-left: 1.2rem;
}

.lang-btn {
  padding: 2px 4px;
  color: var(--text-light);
  transition: color var(--transition-fast);
}

.lang-btn:hover,
.lang-btn.active {
  color: var(--text-main);
  font-weight: 500;
}

.lang-divider {
  color: var(--border-light);
}

/* --- Hamburger Toggle Button --- */
.menu-toggle-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  gap: 5px;
  margin-left: 0.8rem;
}

.menu-toggle-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--text-main);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* --- Fullscreen Modal Navigation --- */
.nav-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-color);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 3rem 5%;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-gentle);
}

.nav-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.modal-close-btn {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
}

.modal-close-btn span.close-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.modal-body {
  width: 100%;
  max-width: var(--container-max-width);
  margin: auto;
  text-align: center;
}

.modal-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.modal-nav-list li a {
  font-size: 1.5rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-main);
  font-weight: 300;
  display: inline-block;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.modal-nav-list li a:hover {
  transform: translateX(6px);
  opacity: 0.5;
}

.modal-nav-list .item-num {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-right: 0.8rem;
  font-family: var(--font-sans);
}

.modal-lang-switcher {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

.modal-footer {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-hairline);
}

/* SNS Icons: Placed ONLY in Modal as instructed */
.modal-sns-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.modal-sns-links a {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.modal-sns-links a svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* --- Hero Section (TOP Page) --- */
.hero-slider-section {
  position: relative;
  width: 100%;
  height: calc(100vh - var(--header-height));
  min-height: 560px;
  background-color: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-slider-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3vh 4vw;
}

.hero-slide.is-active {
  opacity: 1;
  z-index: 2;
}

.hero-slide img {
  max-width: 90%;
  max-height: 80vh;
  object-fit: contain;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
}

.hero-caption {
  position: absolute;
  bottom: 24px;
  right: 5%;
  z-index: 5;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  background-color: rgba(255, 255, 255, 0.85);
  padding: 4px 12px;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-scroll-indicator .scroll-line {
  width: 1px;
  height: 40px;
  background-color: var(--border-light);
  position: relative;
  overflow: hidden;
}

.hero-scroll-indicator .scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--text-main);
  animation: scrollDown 2.2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* --- Statement Section --- */
.statement-section {
  padding: 140px 0;
  background-color: var(--bg-color);
  border-top: 1px solid var(--border-hairline);
}

.statement-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.statement-paragraph {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 2.3;
  letter-spacing: 0.08em;
  color: var(--text-body);
  margin-bottom: 3.5rem;
  white-space: normal;
  word-break: normal;
  overflow-wrap: break-word;
}

.statement-paragraph.statement-lead {
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-main);
  margin-bottom: 4rem;
}

.statement-lead-line,
.statement-nowrap,
.statement-unit {
  display: inline-block;
  white-space: nowrap;
}

.sp-br {
  display: none;
}

.pc-space {
  display: inline;
}

.statement-cta-group {
  margin-top: 4rem;
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

/* --- Button Styles --- */
.btn-gallery {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 34px;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid var(--text-main);
  background-color: transparent;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.btn-gallery:hover {
  background-color: var(--text-main);
  color: #ffffff;
  opacity: 1;
}

.btn-gallery.btn-solid {
  background-color: var(--text-main);
  color: #ffffff;
}

.btn-gallery.btn-solid:hover {
  background-color: #333333;
}

.btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 34px;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  background-color: var(--line-color);
  color: #ffffff;
  border: 1px solid var(--line-color);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.btn-line:hover {
  background-color: var(--line-hover);
  color: #ffffff;
  opacity: 1;
}

.btn-line svg {
  width: 20px;
  height: 20px;
  fill: #ffffff;
}

/* --- Page Headings --- */
.page-header {
  padding: 90px 0 60px;
  text-align: center;
}

.page-title {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-main);
  margin-bottom: 0.6rem;
}

.page-subtitle {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
}

/* --- Persistent Series Navigation (WORKS Page) --- */
.series-sticky-nav {
  position: sticky;
  top: var(--header-height);
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 900;
  border-bottom: 1px solid var(--border-hairline);
  padding: 14px 0;
  margin-bottom: 50px;
}

.series-tabs {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  list-style: none;
  flex-wrap: wrap;
}

.series-tab-btn {
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  padding: 6px 0;
  position: relative;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.series-tab-btn:hover,
.series-tab-btn.is-active {
  color: var(--text-main);
  font-weight: 500;
}

.series-tab-btn.is-active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background-color: var(--text-main);
}

.series-concept-card {
  max-width: 820px;
  margin: 0 auto 60px;
  text-align: center;
  padding: 0 1rem;
}

.series-concept-text {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  line-height: 2.2;
  color: var(--text-body);
  white-space: pre-line;
}

/* --- Works Gallery Grid --- */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 5rem 3.5rem;
  margin-bottom: 120px;
}

.artwork-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  group: "";
}

.artwork-image-frame {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fafafa;
  overflow: hidden;
  padding: 24px;
  transition: background-color var(--transition-fast);
}

.artwork-card:hover .artwork-image-frame {
  background-color: #f5f5f5;
}

.artwork-image-frame img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform var(--transition-gentle);
}

.artwork-card:hover .artwork-image-frame img {
  transform: scale(1.02);
}

.artwork-meta {
  margin-top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.artwork-title {
  font-size: 0.98rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text-main);
}

.artwork-details {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

/* --- Artwork Lightbox Modal (Resolution-Protected) --- */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(255, 255, 255, 0.98);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-gentle);
  padding: 20px;
}

.lightbox-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-close-btn {
  position: absolute;
  top: 25px;
  right: 35px;
  font-size: 1.8rem;
  color: var(--text-main);
  line-height: 1;
  padding: 10px;
  z-index: 3010;
}

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 85vh;
}

.lightbox-img-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 75vh;
  overflow: hidden;
}

/* Image natural resolution protection: Never stretch beyond native size */
.lightbox-image {
  max-width: 90vw;
  max-height: 75vh;
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.lightbox-caption {
  margin-top: 1.5rem;
  text-align: center;
}

.lightbox-caption-title {
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  color: var(--text-main);
  margin-bottom: 0.3rem;
}

.lightbox-caption-desc {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

/* --- ORDER Page Styles --- */
.order-intro-block {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 70px;
}

.order-lead-text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 2.2;
  letter-spacing: 0.06em;
  white-space: pre-line;
  margin-bottom: 2rem;
}

.order-styles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 90px;
}

.order-style-card {
  border: 1px solid var(--border-hairline);
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.order-style-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: 1.5rem;
}

.order-style-title {
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
  color: var(--text-main);
}

.order-style-desc {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  line-height: 2.0;
  color: var(--text-muted);
}

/* Order Flow Steps (Step 1 - Step 9) */
.order-flow-section {
  margin-bottom: 100px;
}

.section-headline {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 3.5rem;
  position: relative;
}

.section-headline::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background-color: var(--text-main);
  margin: 1rem auto 0;
}

.steps-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
}

.step-card {
  border: 1px solid var(--border-hairline);
  padding: 24px;
  background-color: #fafafa;
  position: relative;
}

.step-num {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--text-light);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.step-title {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-card-with-img {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 2rem;
  background-color: #fcfcfc;
}

.step-card-with-img .step-content {
  flex: 1;
}

.step-card-with-img .step-img {
  max-width: 140px;
  border-radius: 4px;
  border: 1px solid var(--border-light);
}

/* Price Tables */
.price-section {
  margin-bottom: 90px;
}

.price-subhead {
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  margin-bottom: 1.2rem;
  text-align: center;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

.price-table th,
.price-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-hairline);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
}

.price-table th {
  font-weight: 400;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  border-top: 1px solid var(--text-main);
  border-bottom: 1px solid var(--text-main);
}

.price-table td.amount {
  font-weight: 500;
  color: var(--text-main);
}

/* Price Preview Artwork Size Grid */
.size-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 3.5rem;
}

.size-preview-card {
  text-align: center;
  border: 1px solid var(--border-hairline);
  padding: 18px 14px;
  background-color: #fdfdfd;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.size-preview-card:hover {
  border-color: var(--text-muted);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}

.size-preview-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  margin-bottom: 0.9rem;
}

.size-preview-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-main);
  letter-spacing: 0.06em;
}

.size-preview-dim {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.size-preview-price {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  margin-top: 0.55rem;
  letter-spacing: 0.04em;
}

.size-preview-price .tax {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* Packaging / Accessories */
.accessories-block {
  margin-bottom: 90px;
  padding: 40px 30px;
  background-color: #fafafa;
  border: 1px solid var(--border-hairline);
}

.accessories-images-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

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

.accessories-item img {
  max-width: 320px;
  max-height: 180px;
  width: auto;
  height: auto;
  margin: 0 auto 0.8rem;
  border: 1px solid var(--border-light);
  object-fit: contain;
}

.accessories-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

/* Important Notices */
.notices-block {
  max-width: 820px;
  margin: 0 auto 80px;
  padding: 30px;
  border: 1px solid var(--border-light);
}

.notices-title {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  color: var(--text-main);
}

.notices-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.notices-list li {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  color: var(--text-body);
  position: relative;
  padding-left: 1.2rem;
  line-height: 1.8;
}

.notices-list li::before {
  content: '・';
  position: absolute;
  left: 0;
}

/* CTA Consultation Area */
.order-cta-banner {
  text-align: center;
  padding: 60px 20px;
  background-color: #fbfbfb;
  border-top: 1px solid var(--border-hairline);
  margin-bottom: 100px;
}

.order-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1.8rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* --- EXHIBITIONS Page Styles --- */
.exhibition-entry {
  margin-bottom: 100px;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 70px;
}

.exhibition-badge {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 0.8rem;
}

.exhibition-title {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.exhibition-date-place {
  font-size: 0.88rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.exhibition-statement {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--text-body);
  max-width: 800px;
  margin-bottom: 2.5rem;
}

.installation-views-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
  margin-bottom: 3.5rem;
}

.installation-views-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.installation-views-grid img:hover {
  opacity: 0.85;
}

.exhibition-works-table {
  width: 100%;
  border-collapse: collapse;
}

.exhibition-works-table td {
  padding: 12px 14px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-hairline);
  color: var(--text-muted);
}

.exhibition-works-table td.work-title {
  color: var(--text-main);
  font-weight: 500;
}

/* --- ABOUT Page Styles --- */
.about-hero-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 4.5rem;
  align-items: start;
  margin-bottom: 100px;
}

.about-portrait-wrapper img {
  width: 100%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.about-bio-text {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.about-artist-name-en {
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  color: var(--text-main);
}

.about-artist-name-ja {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin-top: -1rem;
}

.about-lead-paragraph {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  line-height: 2.3;
  color: var(--text-body);
  white-space: pre-line;
}

.cv-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  margin-bottom: 100px;
}

.cv-table td {
  padding: 14px 16px;
  font-size: 0.88rem;
  line-height: 1.7;
  border-bottom: 1px solid var(--border-hairline);
  vertical-align: top;
}

.cv-table td.cv-year {
  width: 90px;
  font-family: var(--font-sans);
  color: var(--text-muted);
  letter-spacing: 0.08em;
  font-weight: 500;
}

.cv-table td.cv-desc {
  color: var(--text-body);
  font-family: var(--font-serif);
}

/* --- CONTACT Page Styles --- */
.contact-container {
  max-width: 680px;
  margin: 0 auto 120px;
  text-align: center;
}

.contact-lead-text {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  line-height: 2.2;
  color: var(--text-body);
  margin-bottom: 3.5rem;
}

.contact-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.contact-card {
  border: 1px solid var(--border-hairline);
  padding: 35px 20px;
  background-color: #fafafa;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.contact-card-label {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-light);
}

.contact-card-value {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--text-main);
  word-break: break-all;
}

.contact-note {
  font-size: 0.8rem;
  color: var(--text-light);
  letter-spacing: 0.06em;
}

/* --- LINE QR Modal (For PC Users) --- */
.line-qr-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 4000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.line-qr-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.line-qr-card {
  background-color: #ffffff;
  padding: 40px;
  border-radius: 4px;
  max-width: 380px;
  width: 90%;
  text-align: center;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.line-qr-close {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 1.4rem;
  color: var(--text-light);
}

.line-qr-title {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.line-qr-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.line-qr-image-wrapper {
  margin: 0 auto 1.5rem;
  width: 180px;
  height: 180px;
  padding: 10px;
  border: 1px solid var(--border-light);
  background-color: #ffffff;
}

.line-qr-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.line-id-box {
  display: inline-block;
  background-color: #f5f5f5;
  padding: 6px 14px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--text-main);
  border-radius: 2px;
}

/* --- Site Footer --- */
.site-footer {
  padding: 60px 0;
  border-top: 1px solid var(--border-hairline);
  background-color: var(--bg-color);
  margin-top: auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-copyright {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-light);
}

.footer-sns-links {
  display: flex;
  gap: 1.6rem;
  align-items: center;
}

.footer-sns-links a {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-fast);
}

.footer-sns-links a:hover {
  color: var(--text-main);
  opacity: 1;
}

.footer-sns-links a svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.footer-back-to-top {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .desktop-nav .nav-links {
    gap: 1.2rem;
  }
  .works-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 3.5rem 2rem;
  }
}

@media (max-width: 860px) {
  .desktop-nav .nav-links {
    display: none; /* Hide top links on mobile/tablet, rely on hamburger modal */
  }

  .desktop-nav .lang-selector {
    display: none; /* In hamburger modal on mobile/tablet */
  }

  .site-logo a {
    white-space: nowrap;
  }

  .statement-section {
    padding: 90px 0;
  }

  .statement-content {
    width: 92%;
    max-width: 100%;
  }

  .statement-paragraph {
    font-size: 0.94rem;
    line-height: 2.2;
    letter-spacing: 0.06em;
    margin-bottom: 2.8rem;
  }

  .statement-paragraph.statement-lead {
    font-size: clamp(1.02rem, 3.2vw, 1.25rem);
    line-height: 2.0;
    letter-spacing: 0.05em;
    margin-bottom: 3.2rem;
  }

  .sp-br {
    display: block;
    content: "";
  }

  .pc-space {
    display: none;
  }
  
  .about-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .about-portrait-wrapper {
    max-width: 320px;
    margin: 0 auto;
  }

  .order-styles-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .step-card-with-img {
    flex-direction: column;
    align-items: flex-start;
  }

  .step-card-with-img .step-img {
    max-width: 140px;
  }

  .contact-cards-grid {
    grid-template-columns: 1fr;
  }

  .accessories-images-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --header-height: 70px;
  }
  
  .site-logo a {
    font-size: 1.05rem;
  }

  .statement-section {
    padding: 75px 0;
  }
  
  .statement-paragraph {
    font-size: 0.88rem;
    line-height: 2.15;
    letter-spacing: 0.04em;
    margin-bottom: 2.2rem;
  }
  
  .statement-paragraph.statement-lead {
    font-size: clamp(0.85rem, 4.1vw, 1.02rem);
    line-height: 2.0;
    letter-spacing: 0.03em;
    margin-bottom: 2.5rem;
  }
  
  .works-grid {
    grid-template-columns: 1fr;
    gap: 2.8rem;
  }
  
  .price-table th,
  .price-table td {
    padding: 12px 8px;
    font-size: 0.78rem;
  }
}