/* ========================================
   ALA_WS — Alpha Lab Associates Website
   Design Reference: design-inc.co.jp
   ======================================== */

/* Local Fonts — Inter (all languages) */
@font-face {
  font-family: 'Inter';
  src: url('FONTS/Inter/Inter-VariableFont_opsz,wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('FONTS/Inter/Inter-Italic-VariableFont_opsz,wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

/* Local Fonts — Noto Sans JP (Japanese characters) */
@font-face {
  font-family: 'Noto Sans JP';
  src: url('FONTS/Noto_Sans_JP/NotoSansJP-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* --- CSS Variables / Design Tokens --- */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f7f5;
  --color-bg-dark: #1a1a1a;
  --color-text: #222222;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-text-inverse: #ffffff;
  --color-accent: #c8a97e;
  --color-accent-dark: #a68a5b;
  --color-border: #e0e0e0;
  --color-overlay: rgba(0, 0, 0, 0.55);

  --font-primary: 'Inter', 'Noto Sans JP', sans-serif;
  --font-heading: 'Inter', 'Noto Sans JP', sans-serif;

  --fs-hero: clamp(2.2rem, 5vw, 4.5rem);
  --fs-h1: clamp(1.8rem, 3.5vw, 3rem);
  --fs-h2: clamp(1.4rem, 2.5vw, 2rem);
  --fs-h3: clamp(1.1rem, 1.8vw, 1.4rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-xxl: 8rem;

  --max-width: 1200px;
  --nav-height: 80px;
  --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}

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

a:hover {
  opacity: 0.7;
}

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

ul,
ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* --- Typography --- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.section-label {
  font-family: var(--font-primary);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-size: var(--fs-h1);
  margin-bottom: var(--spacing-md);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

.nav.scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(255, 255, 255, 0.98);
}

.nav-logo {
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.nav-logo span {
  font-weight: 300;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-links a {
  font-size: var(--fs-small);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
}

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

.nav-links a:hover {
  opacity: 1;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active::after {
  width: 100%;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  letter-spacing: 0.1em;
  transform: translateY(20px);
  opacity: 0;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.mobile-nav.open a {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav.open a:nth-child(1) {
  transition-delay: 0.1s;
}

.mobile-nav.open a:nth-child(2) {
  transition-delay: 0.15s;
}

.mobile-nav.open a:nth-child(3) {
  transition-delay: 0.2s;
}

.mobile-nav.open a:nth-child(4) {
  transition-delay: 0.25s;
}

.mobile-nav.open a:nth-child(5) {
  transition-delay: 0.3s;
}

.mobile-nav.open a:nth-child(6) {
  transition-delay: 0.35s;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-video-container iframe,
.hero-video-container video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  transform: translate(-50%, -50%);
  object-fit: cover;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom,
      rgba(0, 0, 0, 0.3) 0%,
      rgba(0, 0, 0, 0.5) 50%,
      rgba(0, 0, 0, 0.7) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-text-inverse);
  padding: 0 var(--spacing-md);
}

.hero-content h1 {
  font-size: var(--fs-hero);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: 0.06em;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: clamp(0.9rem, 1.5vw, 1.15rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  opacity: 0.85;
  margin-top: var(--spacing-sm);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-inverse);
  opacity: 0.6;
  animation: pulse 2s ease-in-out infinite;
}

.hero-scroll-indicator span {
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-scroll-indicator .arrow {
  width: 1px;
  height: 40px;
  background: var(--color-text-inverse);
  position: relative;
}

.hero-scroll-indicator .arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -4px;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--color-text-inverse);
  border-bottom: 1px solid var(--color-text-inverse);
  transform: rotate(45deg);
}

@keyframes pulse {

  0%,
  100% {
    opacity: 0.6;
    transform: translateX(-50%) translateY(0);
  }

  50% {
    opacity: 1;
    transform: translateX(-50%) translateY(6px);
  }
}

/* --- Sections --- */
.section {
  padding: var(--spacing-xxl) 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

/* --- Intro / Value Props --- */
.intro-text {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  line-height: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.value-props {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.value-prop {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
}

.value-prop-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.value-prop h3 {
  font-size: var(--fs-h3);
  margin-bottom: var(--spacing-sm);
}

.value-prop p {
  color: var(--color-text-light);
  font-size: var(--fs-small);
  line-height: 1.9;
}

/* --- Services Section --- */
.services-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.services-preview-text {
  flex: 1;
}

.services-preview-text h2 {
  font-size: var(--fs-h1);
  margin-bottom: var(--spacing-md);
}

.services-preview-text p {
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: var(--spacing-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 14px 36px;
  border: 1px solid var(--color-text);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn:hover {
  background: var(--color-text);
  color: var(--color-text-inverse);
  opacity: 1;
}

.btn--inverse {
  border-color: var(--color-text-inverse);
  color: var(--color-text-inverse);
}

.btn--inverse:hover {
  background: var(--color-text-inverse);
  color: var(--color-text);
}

.btn--accent {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--accent:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

/* --- Project Grid --- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.project-card {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: pointer;
}

.project-card-bg {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card-bg {
  transform: scale(1.05);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  padding: var(--spacing-md);
}

.project-card:hover .project-card-overlay {
  background: rgba(0, 0, 0, 0.6);
}

.project-card-overlay h3 {
  color: white;
  font-size: var(--fs-h3);
  text-align: center;
  letter-spacing: 0.06em;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition);
}

.project-card-overlay p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-small);
  margin-top: var(--spacing-xs);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition) 0.05s, transform var(--transition) 0.05s;
}

.project-card:hover .project-card-overlay h3,
.project-card:hover .project-card-overlay p {
  opacity: 1;
  transform: translateY(0);
}

/* Project card images from ALA website */
.project-card-bg.placeholder-1 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1668259290380-59YTLZJIPVSCUL7J94VF/_R9A2795.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-2 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1716477623936-5B20EWSQG5Y7FKXNZOED/axes_linkedin_2024-1035.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-3 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1715337993622-QAO66YKP0YO1YAZ1XYFY/1X1A9583.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-4 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1513830137739-TIGUWYZTS55NZB4862X9/youtubespacetokyo_2017_002.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-5 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1509628271005-5P52186B01SKW41QY0WM/S+4.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-6 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1512653189492-HTOYA8GYZ7SHAR955Z5N/MetLifeKioicho_070fixed.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-7 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1524237461208-E8MKW9A633U6D4CEM69K/google_callcenter_002.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-8 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1546850218695-H3XCZZM0FLN7DHSJSBJ0/google_201512_001.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-9 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1574149048930-SV9AN5Y2OM07AGN4HVAQ/ADIDAS+SHANGHAI+%283%29.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-10 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1581438464162-VVFAMR0NKRY75AH1TABI/UBS+FOR+WEB_Page_01.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-11 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1543980058368-17E9UT1PILG8K0SQJHPG/Lobby_web+3.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-12 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1557297990062-L685GVX1GI0AMJS7DPDK/final+ext+snow+1.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-13 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1557209821886-7XK4QCNGPZ0RK7G15F3X/14G100862_01_880x660.jpg');
  background-size: cover;
  background-position: center;
}

.project-card-bg.placeholder-14 {
  background-image: url('https://images.squarespace-cdn.com/content/v1/59f96b10cf81e04a080e34e8/1525162508149-5Q95367WYVRMRVNPTWRP/D+1.jpg?format=1500w');
  background-size: cover;
  background-position: center;
}

/* --- News Section --- */
.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
  transition: padding-left var(--transition);
}

.news-item:hover {
  padding-left: var(--spacing-sm);
}

.news-date {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  white-space: nowrap;
  min-width: 100px;
}

.news-title {
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.6;
}

.news-category {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(200, 169, 126, 0.1);
  padding: 2px 10px;
  border-radius: 2px;
  white-space: nowrap;
}

/* --- Services Page --- */
.page-header {
  padding-top: calc(var(--nav-height) + var(--spacing-xl));
  padding-bottom: var(--spacing-lg);
  text-align: center;
}

.page-header h1 {
  font-size: var(--fs-h1);
}

.page-header p {
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.service-block {
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.service-block:last-child {
  border-bottom: none;
}

.service-block-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: calc(var(--spacing-lg) / 4);
  align-items: start;
}

.service-block-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-accent);
  opacity: 0.5;
  line-height: 1;
}

.service-block h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--spacing-sm);
}

.service-block p {
  color: var(--color-text-light);
  line-height: 2;
}

/* --- Who We Are / Team --- */
.team-section {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xl);
  align-items: start;
  padding: var(--spacing-xl) 0;
}

.team-photo {
  width: 70%;
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, #2c3e50, #34495e);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  margin-left: auto;
}

.team-bio h2 {
  font-size: var(--fs-h1);
  margin-bottom: var(--spacing-xs);
}

.team-bio .team-title {
  font-size: var(--fs-body);
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
}

.team-bio .team-description {
  color: var(--color-text-light);
  line-height: 2.2;
  margin-bottom: var(--spacing-md);
}

.career-list {
  margin-top: var(--spacing-md);
}

.career-list h3 {
  font-size: var(--fs-body);
  font-family: var(--font-primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.career-list li {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.6;
}

/* --- News Page --- */
.news-page-list {
  max-width: 900px;
  margin: 0 auto;
}

.news-page-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
  align-items: start;
  transition: padding-left var(--transition);
}

.news-page-item:hover {
  padding-left: var(--spacing-sm);
}

.news-page-item .news-date {
  font-family: var(--font-primary);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  padding-top: 3px;
}

.news-page-item .news-content h3 {
  font-size: var(--fs-h3);
  font-family: var(--font-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
}

.news-page-item .news-content p {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  line-height: 1.8;
}

/* --- Contact Us Section --- */
.contact-us-section {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

/* Company info block */
.contact-company-info {
  margin-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-xl);
}

.contact-company-name {
  font-family: var(--font-primary);
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.contact-company-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-primary);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.contact-company-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-primary);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text);
}

/* Two-column form row */
.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-form-heading h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.02em;
  margin-top: 2px;
  /* align with first label */
}

/* Form fields */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.cf-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cf-label {
  font-family: var(--font-primary);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.cf-sublabel {
  display: block;
  font-family: var(--font-primary);
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--color-text-light);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.cf-required {
  font-weight: 400;
  color: var(--color-text-muted);
}

.cf-name-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.cf-name-col {
  display: flex;
  flex-direction: column;
}

.cf-input,
.cf-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: var(--font-primary);
  font-size: var(--fs-small);
  color: var(--color-text);
  letter-spacing: 0.02em;
  outline: none;
  transition: border-color var(--transition);
  border-radius: 0;
  appearance: none;
}

.cf-input:focus,
.cf-textarea:focus {
  border-color: var(--color-text);
}

.cf-textarea {
  resize: vertical;
  min-height: 150px;
  line-height: 1.7;
}

.cf-submit {
  display: inline-block;
  padding: 13px 44px;
  background: transparent;
  border: 1px solid var(--color-text);
  font-family: var(--font-primary);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  border-radius: 0;
}

.cf-submit:hover {
  background: var(--color-text);
  color: var(--color-text-inverse);
}

/* Responsive: contact form row */
@media (max-width: 768px) {
  .contact-form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .cf-name-row {
    grid-template-columns: 1fr;
  }

  .contact-company-details,
  .contact-company-meta {
    gap: var(--spacing-xs);
  }
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.footer-brand h3 {
  font-family: var(--font-primary);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
}

.footer-links h4 {
  font-family: var(--font-primary);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.4);
}

.footer-links a {
  display: block;
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.7);
  padding: 4px 0;
}

.footer-links a:hover {
  color: white;
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.4);
}

/* --- View More link --- */
.view-more {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: var(--fs-small);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: var(--spacing-lg);
  font-weight: 500;
}

.view-more::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  background: currentColor;
  transition: width var(--transition);
}

.view-more:hover::after {
  width: 60px;
}

.view-more:hover {
  opacity: 1;
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.fade-in-delay-1 {
  transition-delay: 0.1s;
}

.fade-in-delay-2 {
  transition-delay: 0.2s;
}

.fade-in-delay-3 {
  transition-delay: 0.3s;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .value-props {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-block-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .team-section {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 4rem;
    --spacing-xxl: 5rem;
    --nav-height: 64px;
  }

  .nav {
    padding: 0 var(--spacing-md);
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .hero-content h1 {
    font-size: clamp(1.6rem, 6vw, 2.8rem);
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .services-preview {
    flex-direction: column;
  }

  .news-item {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .news-page-item {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
}

/* --- Flush News List (left-aligned titles) --- */
.news-list--flush .news-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: var(--spacing-md);
  align-items: baseline;
}

.news-list--flush .news-title {
  text-align: left;
}

/* --- Contact Page --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-building-photo {
  width: 100%;
  height: 420px;
  overflow: hidden;
  position: relative;
  background: var(--color-bg-alt);
}

.contact-building-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-building-photo.no-image img {
  display: none;
}

.building-photo-fallback {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2c3e50, #34495e);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--fs-body);
}

.contact-building-photo.no-image .building-photo-fallback {
  display: flex;
}

.contact-details {
  margin-top: var(--spacing-lg);
}

.contact-details h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--spacing-md);
}

.contact-detail-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-detail-label {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.contact-detail-value {
  font-size: var(--fs-body);
  line-height: 1.8;
}

.contact-detail-value a {
  color: var(--color-accent);
}

.contact-detail-value a:hover {
  opacity: 1;
  text-decoration: underline;
}

.contact-map {
  width: 100%;
}

.abstract-map {
  width: 100%;
  border: 1px solid var(--color-border);
  background: #f7f7f5;
}

.abstract-map svg {
  width: 100%;
  height: auto;
  display: block;
}

.map-caption {
  text-align: center;
  margin-top: var(--spacing-sm);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* Hero x separator */
.hero-x {
  display: block;
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 200;
  letter-spacing: 0.3em;
  margin: 0.3em 0;
  opacity: 0.7;
}

@media (max-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-building-photo {
    aspect-ratio: 16 / 9;
  }
}

/* Static hero with white background */
.hero--static {
  background: #fff;
  height: auto;
  min-height: auto;
  padding: calc(var(--nav-height) + 60px) 0 60px;
}

.hero-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.hero-image-container img {
  max-width: 800px;
  width: 100%;
  height: auto;
}

.hero-scroll-indicator--dark {
  color: var(--color-text);
  position: relative;
  bottom: auto;
  left: auto;
  transform: none;
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
  animation: pulse-dark 2s ease-in-out infinite;
}

.hero-scroll-indicator--dark .arrow {
  width: 1px;
  height: 40px;
  background: var(--color-text);
  position: relative;
}

.hero-scroll-indicator--dark .arrow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -4px;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--color-text);
  border-bottom: 1px solid var(--color-text);
  transform: rotate(45deg);
}

.hero-scroll-indicator--dark span {
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

@keyframes pulse-dark {

  0%,
  100% {
    opacity: 0.3;
  }

  50% {
    opacity: 0.6;
  }
}

/* Fix: Static hero layout - centered image + scroll below */
.hero--static {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  min-height: 600px;
}

.hero-image-container img {
  max-width: 1430px;
}

/* Google Maps container */
.google-map-container {
  width: 100%;
  height: 420px;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.hero-scroll-indicator--dark {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 0;
}

@keyframes pulse-dark {

  0%,
  100% {
    opacity: 0.3;
    transform: translateX(-50%) translateY(0);
  }

  50% {
    opacity: 0.6;
    transform: translateX(-50%) translateY(6px);
  }
}

/* =============================================
   PROJECT DETAIL PAGES
   ============================================= */

.project-detail-hero {
  width: 100%;
  height: 70vh;
  min-height: 420px;
  background-size: cover;
  background-position: center;
  margin-top: var(--nav-height);
}

.project-detail-header {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
}

.project-detail-header .section-label {
  margin-bottom: var(--spacing-sm);
}

.project-detail-header h1 {
  font-size: var(--fs-h1);
  margin-bottom: var(--spacing-xs);
}

.project-meta {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
  margin-top: var(--spacing-xs);
}

.project-detail-credits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md) var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.project-detail-credit-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.project-detail-credit-label {
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.project-detail-credit-value {
  font-size: var(--fs-body);
  line-height: 1.6;
}

.project-photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.project-photo-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.project-photo-grid img.wide {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 7;
}

.project-back-link {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.project-detail-body {
  max-width: 680px;
  margin: var(--spacing-lg) 0 var(--spacing-xl);
}

.project-detail-body p {
  font-size: var(--fs-body);
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: var(--spacing-md);
}


.project-card a,
a.project-card {
  display: block;
  color: inherit;
  text-decoration: none;
  height: 100%;
}

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

  .project-photo-grid {
    grid-template-columns: 1fr;
  }

  .project-photo-grid img.wide {
    aspect-ratio: 4 / 3;
  }
}

/* --- Language Toggle (EN / JA) --- */

/* Hide English elements by default (site is Japanese) */
.lang-en { display: none; }

/* When <html lang="en"> is set */
html[lang="en"] .lang-ja { display: none; }
html[lang="en"] .lang-en { display: revert; }

/* Toggle Button — sits inside .nav-links */
.lang-toggle {
  font-family: var(--font-primary);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  cursor: pointer;
  border: 1px solid var(--color-text);
  padding: 5px 11px;
  background: transparent;
  color: var(--color-text);
  line-height: 1;
  margin-left: 6px;
  transition: background var(--transition), color var(--transition);
  vertical-align: middle;
}

.lang-toggle:hover {
  background: var(--color-text);
  color: var(--color-text-inverse);
}

/* Mobile variant — shown inside the fullscreen mobile menu */
.lang-toggle--mobile {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  letter-spacing: 0.12em;
  padding: 10px 28px;
  margin-top: var(--spacing-xs);
  border: 1px solid var(--color-text);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  display: block;
}

.lang-toggle--mobile:hover {
  background: var(--color-text);
  color: var(--color-text-inverse);
}

/* =============================================
   EN TYPOGRAPHY — Inter only
   ============================================= */

html[lang="en"] {
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Inter', sans-serif;
}

/* --- Abstract Map (Contact Page) --- */
.abstract-map-container {
  width: 100%;
  border: 1px solid var(--color-border);
  background: #f5f4f0;
  overflow: hidden;
  /* Warm abstract filter: desaturate + warm sepia tint */
  filter: grayscale(100%) sepia(25%) brightness(1.05) contrast(0.95);
  transition: filter 0.4s ease;
}

.abstract-map-container:hover {
  /* Slightly reveal colour on hover — feels intentional */
  filter: grayscale(80%) sepia(15%) brightness(1.05) contrast(0.95);
}

.abstract-map-container svg {
  display: block;
  width: 100%;
  height: auto;
}

.map-caption {
  margin-top: var(--spacing-sm);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}