/* ===========================
   SHINKS - Main Stylesheet
   =========================== */

/* --- Variables --- */
:root {
  --color-dark: #0d0d0d;
  --color-dark-2: #141414;
  --color-dark-3: #1e1e1e;
  --color-dark-4: #2a2a2a;
  --color-light: #f5f5f0;
  --color-white: #ffffff;
  --color-gold: #c9a84c;
  --color-gold-light: #e8c97a;
  --color-gold-dark: #a07830;
  --color-text: #e0e0e0;
  --color-text-muted: #999;
  --color-border: rgba(201, 168, 76, 0.25);
  --font-en: 'Montserrat', sans-serif;
  --font-serif: 'Cormorant Garamond', serif;
  --font-ja: 'Noto Sans JP', sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 8px 40px rgba(0,0,0,0.4);
  --container: 1160px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-ja);
  background: var(--color-dark);
  color: var(--color-text);
  line-height: 1.8;
  overflow-x: hidden;
}
img { display: block; width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 40px;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}
.btn--gold {
  background: var(--color-gold);
  color: var(--color-dark);
  border-color: var(--color-gold);
}
.btn--gold:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201,168,76,0.35);
}
.btn--outline-gold {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}
.btn--outline-gold:hover {
  background: var(--color-gold);
  color: var(--color-dark);
  transform: translateY(-2px);
}
.btn--dark {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}
.btn--dark:hover {
  background: var(--color-gold);
  color: var(--color-dark);
}

/* --- Header / Nav --- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav__logo-text {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-gold);
}
.nav__menu {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav__link {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-text);
  position: relative;
  transition: color var(--transition);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}
.nav__link:hover,
.nav__link.active {
  color: var(--color-gold);
}
.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--color-gold);
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero.loaded .hero__bg { transform: scale(1); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13,13,13,0.85) 0%,
    rgba(13,13,13,0.5) 60%,
    rgba(13,13,13,0.3) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.hero__sub {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero__title {
  font-family: var(--font-ja);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.3;
  color: var(--color-white);
  margin-bottom: 24px;
}
.hero__desc {
  font-size: 1.05rem;
  font-weight: 300;
  color: rgba(255,255,255,0.75);
  margin-bottom: 44px;
  line-height: 2;
}
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.hero__scroll span {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--color-gold);
}
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollLine 2s ease infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- Sections --- */
.section {
  padding: 100px 0;
}
.section--dark { background: var(--color-dark-2); }
.section--light { background: var(--color-dark-3); }
.section--philosophy {
  position: relative;
  overflow: hidden;
}
.section--contact { background: var(--color-dark); }

.section__header {
  text-align: center;
  margin-bottom: 64px;
}
.section__label {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section__title {
  font-family: var(--font-ja);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  color: var(--color-white);
  margin-bottom: 20px;
}
.section__divider {
  width: 48px;
  height: 1px;
  background: var(--color-gold);
  margin: 0 auto;
}
.section__desc {
  margin-top: 20px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.section__cta {
  text-align: center;
  margin-top: 48px;
}

/* --- Service Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.service-card {
  display: block;
  background: var(--color-dark-4);
  overflow: hidden;
  transition: transform var(--transition);
  border: 1px solid rgba(255,255,255,0.04);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.service-card__img {
  height: 240px;
  overflow: hidden;
}
.service-card__img img {
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.service-card:hover .service-card__img img {
  transform: scale(1.06);
}
.service-card__body {
  padding: 32px 28px;
}
.service-card__num {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  display: block;
  margin-bottom: 10px;
}
.service-card__title {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-white);
  margin-bottom: 14px;
}
.service-card__text {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 20px;
}
.service-card__link {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  transition: letter-spacing var(--transition);
}
.service-card:hover .service-card__link {
  letter-spacing: 0.2em;
}

/* --- Philosophy --- */
.philosophy__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.philosophy__overlay {
  position: absolute;
  inset: 0;
  background: rgba(13,13,13,0.88);
}
.philosophy__content {
  position: relative;
  z-index: 2;
  text-align: center;
}
.philosophy__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px 48px;
  margin-bottom: 48px;
}
.philosophy__item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--color-text);
}
.philosophy__icon {
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 1.4rem;
}

/* --- Company Table --- */
.company-summary {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.company-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
  text-align: left;
}
.company-table th,
.company-table td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.9rem;
}
.company-table th {
  width: 160px;
  color: var(--color-gold);
  font-weight: 400;
  font-family: var(--font-ja);
  white-space: nowrap;
}
.company-table td {
  color: var(--color-text);
}
.company-table td a {
  color: var(--color-gold);
}

/* --- News --- */
.news-list {
  max-width: 800px;
  margin: 0 auto;
}
.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.news-item:first-child {
  border-top: 1px solid rgba(255,255,255,0.06);
}
.news-item:hover { padding-left: 8px; }
.news-item__date {
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.news-item__tag {
  font-size: 0.72rem;
  padding: 3px 10px;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  white-space: nowrap;
}
.news-item__title {
  font-size: 0.92rem;
  color: var(--color-text);
  transition: color var(--transition);
}
.news-item:hover .news-item__title {
  color: var(--color-gold);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 640px;
  margin: 0 auto;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 24px;
  background: var(--color-dark-3);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}
.contact-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(201,168,76,0.15);
}
.contact-card__icon {
  width: 44px; height: 44px;
  color: var(--color-gold);
}
.contact-card__icon svg {
  width: 100%; height: 100%;
}
.contact-card__label {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}
.contact-card__value {
  font-size: 0.95rem;
  color: var(--color-white);
}

/* --- Footer --- */
.footer {
  background: var(--color-dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 40px;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}
.footer__logo {
  font-family: var(--font-en);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--color-gold);
}
.footer__tagline {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 28px;
}
.footer__nav a {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer__nav a:hover { color: var(--color-gold); }
.footer__address {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}
.footer__copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: 160px 0 80px;
  background: var(--color-dark);
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.page-hero__label {
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.page-hero__title {
  font-family: var(--font-ja);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--color-white);
}

/* --- Services Page --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.service-detail:last-child { border-bottom: none; }
.service-detail--reverse { direction: rtl; }
.service-detail--reverse > * { direction: ltr; }
.service-detail__img {
  overflow: hidden;
  aspect-ratio: 4/3;
}
.service-detail__img img {
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.service-detail__img:hover img { transform: scale(1.04); }
.service-detail__num {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--color-gold);
  display: block;
  margin-bottom: 12px;
}
.service-detail__title {
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 8px;
}
.service-detail__divider {
  width: 32px; height: 1px;
  background: var(--color-gold);
  margin: 16px 0 24px;
}
.service-detail__text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 2;
}

/* --- About Page --- */
.about-message {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 0;
}
.about-message p {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 2.2;
  margin-bottom: 20px;
}
.about-values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2px;
  margin-top: 40px;
}
.about-value-item {
  padding: 36px 28px;
  background: var(--color-dark-4);
  border-left: 2px solid var(--color-gold);
}
.about-value-item p {
  font-size: 0.95rem;
  color: var(--color-text);
}

/* --- Contact Page --- */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 640px;
  margin: 0 auto 60px;
}
.contact-form {
  max-width: 640px;
  margin: 0 auto;
}
.form-group {
  margin-bottom: 24px;
}
.form-group label {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--color-dark-3);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--color-text);
  font-family: var(--font-ja);
  font-size: 0.92rem;
  transition: border-color var(--transition);
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-gold);
}
.form-group textarea {
  height: 160px;
  resize: vertical;
}
.form-submit {
  text-align: center;
  margin-top: 32px;
}

/* --- News Page --- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
}
.news-card {
  background: var(--color-dark-4);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--color-border);
}
.news-card__body {
  padding: 28px;
}
.news-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.news-card__date {
  font-family: var(--font-en);
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.news-card__tag {
  font-size: 0.7rem;
  padding: 2px 10px;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
}
.news-card__title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-white);
  margin-bottom: 12px;
  line-height: 1.7;
}
.news-card__excerpt {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* --- News Detail --- */
.news-detail {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 0;
}
.news-detail__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.news-detail__title {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 40px;
  line-height: 1.6;
}
.news-detail__body {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 2.2;
}
.news-detail__body p { margin-bottom: 20px; }
.news-detail__body h3 {
  font-size: 1.05rem;
  color: var(--color-white);
  margin: 32px 0 12px;
  padding-left: 14px;
  border-left: 2px solid var(--color-gold);
}
.news-detail__body ul {
  list-style: none;
  margin-bottom: 20px;
}
.news-detail__body ul li {
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.news-detail__body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-gold);
}
.news-back {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.8s ease forwards;
}
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .service-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .service-detail--reverse { direction: ltr; }
  .contact-grid,
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: rgba(13,13,13,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    padding: 40px;
    transition: right var(--transition);
    border-left: 1px solid var(--color-border);
  }
  .nav__menu.open { right: 0; }
  .nav__link { font-size: 0.9rem; }
  .nav__toggle { display: flex; }
  .section { padding: 72px 0; }
  .company-table th { width: 120px; }
  .philosophy__grid { gap: 20px 32px; }
}
@media (max-width: 480px) {
  .hero__title { font-size: 2rem; }
  .news-item { flex-wrap: wrap; gap: 8px; }
}