@charset "UTF-8";

:root {
  --black: #050709;
  --dark: #0c1116;
  --petrol: #003344;
  --petrol-light: #004d66;
  --petrol-glow: #0789b5;
  --gold: #c8a45d;
  --gold-light: #e2c78c;
  --white: #ffffff;
  --off-white: #f4f6f8;
  --gray-100: #eaeef2;
  --gray-300: #c5ced6;
  --gray-500: #6c7782;
  --gray-700: #2e353b;
  --line-green: #06c755;
  --insta-pink: #d62976;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font-serif: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Times New Roman", serif;
  --font-en: "Cormorant Garamond", "Times New Roman", serif;
  --header-h: 80px;
  --max-w: 1200px;
  --transition: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  max-width: 100%;
  background-color: var(--black);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: #111518;
  background-color: var(--white);
  line-height: 1.8;
  letter-spacing: 0.03em;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, opacity 0.3s ease;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

.serif {
  font-family: var(--font-serif);
  font-weight: 600;
}

/* =========================================
   HEADER (shisyuya.com Falcon TCD style)
   ========================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background-color 0.35s ease, box-shadow 0.35s ease, height 0.35s ease;
}

.site-header.is-scrolled,
.site-header.is-solid,
.site-header:hover {
  background: rgba(0, 0, 0, 0.96);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.header-inner {
  max-width: 1360px;
  height: 100%;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--white);
}

.brand-emblem {
  width: 42px;
  height: 42px;
  border: 1px solid var(--gold);
  background: linear-gradient(135deg, #000000 0%, var(--petrol) 100%);
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--gold-light);
  letter-spacing: 0.05em;
  position: relative;
}

.brand-emblem::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px dashed rgba(200, 164, 93, 0.45);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--white);
}

.brand-sub {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.65);
  text-transform: uppercase;
  margin-top: 3px;
}

.global-nav > ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.global-nav > ul > li {
  position: relative;
}

.global-nav > ul > li > a {
  display: flex;
  align-items: center;
  gap: 6px;
  height: var(--header-h);
  padding: 0 16px;
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  position: relative;
}

.global-nav > ul > li > a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.global-nav > ul > li > a:hover,
.global-nav > ul > li.is-current > a {
  color: var(--gold-light);
}

.global-nav > ul > li > a:hover::after,
.global-nav > ul > li.is-current > a::after {
  transform: scaleX(1);
}

/* Submenu */
.sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background: #000000;
  border-top: 2px solid var(--petrol-glow);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.28s ease;
}

.global-nav > ul > li:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sub-menu li a {
  display: block;
  padding: 14px 20px;
  color: var(--white);
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color 0.25s ease, padding-left 0.25s ease;
}

.sub-menu li a:hover {
  background: var(--petrol);
  color: var(--white);
  padding-left: 26px;
}

.nav-cta-btn {
  margin-left: 12px;
  padding: 10px 20px !important;
  height: auto !important;
  background: var(--petrol);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: var(--white) !important;
  font-size: 0.84rem !important;
  letter-spacing: 0.1em;
}

.nav-cta-btn::after {
  display: none !important;
}

.nav-cta-btn:hover {
  background: var(--petrol-light);
  border-color: var(--gold);
}

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--white);
  cursor: pointer;
  position: relative;
  padding: 0;
}

.menu-toggle span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2px;
  background: var(--white);
  transition: 0.3s ease;
}

.menu-toggle span:nth-child(1) { top: 14px; }
.menu-toggle span:nth-child(2) { top: 21px; }
.menu-toggle span:nth-child(3) { top: 28px; }

.menu-toggle.is-open span:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
}
.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.is-open span:nth-child(3) {
  top: 21px;
  transform: rotate(-45deg);
}

/* =========================================
   HERO SLIDER / VISUAL (shisyuya.com style)
   ========================================= */
.hero-visual {
  position: relative;
  min-height: 90vh;
  background: var(--black);
  color: var(--white);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-h);
}

.hero-bg-collage {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 2px;
  background: #000;
  opacity: 0.42;
  transform: scale(1.03);
  animation: heroZoom 18s ease-out forwards;
}

@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1.0); }
}

.hero-bg-panel {
  position: relative;
  overflow: hidden;
  height: 100%;
}

.hero-bg-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.08) saturate(0.95);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 51, 68, 0.72) 0%, rgba(0, 0, 0, 0.88) 70%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.65) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.95) 100%);
  z-index: 1;
}

/* Thread line decoration */
.hero-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.025) 0px,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 1px,
    transparent 80px
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 72px 32px 110px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 48px;
  align-items: center;
}

.hero-content > *,
.pillar-strip > *,
.stats-grid > *,
.works-grid > *,
.feature-split > *,
.course-grid > *,
.sns-connect-grid > *,
.reviews-grid > *,
.footer-top > *,
.news-ticker-inner > * {
  min-width: 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 24px;
}

.hero-eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--gold);
}

/* Boxed Catchphrases like shisyuya.com #header_slider .catch_list */
.hero-catch-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  margin: 0 0 28px;
}

.hero-catch-box {
  display: inline-block;
  background: rgba(0, 0, 0, 0.88);
  border-left: 4px solid var(--gold);
  padding: 12px 24px;
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 3.3vw, 2.65rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.1em;
  color: var(--white);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.hero-lead {
  font-size: 1.02rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.86);
  max-width: 620px;
  margin: 0 0 36px;
}

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

/* Showcase frame on right of Hero */
.hero-showcase-card {
  background: rgba(12, 17, 22, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 20px;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
}

.hero-showcase-card::before {
  content: "CRAFT & DIGITIZING";
  position: absolute;
  top: -11px;
  right: 20px;
  background: var(--petrol);
  color: var(--white);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  padding: 3px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.hero-showcase-item {
  position: relative;
  overflow: hidden;
  background: #fff;
  aspect-ratio: 1 / 1;
}

.hero-showcase-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-showcase-item:hover img {
  transform: scale(1.08);
}

.hero-showcase-caption {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--gray-300);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 12px;
}

.hero-showcase-caption strong {
  color: var(--gold-light);
  font-weight: 600;
}

/* =========================================
   NEWS TICKER BAR (#index_news_ticker_wrap)
   ========================================= */
.news-ticker-bar {
  background: #0a0e12;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--white);
}

.news-ticker-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 16px 32px;
}

.news-badge {
  background: var(--petrol);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  padding: 6px 16px;
  text-transform: uppercase;
}

.news-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
}

.news-date {
  color: var(--gold-light);
  font-family: monospace;
  font-size: 0.85rem;
}

.news-title {
  color: rgba(255, 255, 255, 0.9);
}

/* =========================================
   BUTTONS (shisyuya.com .design_button style)
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 240px;
  padding: 16px 32px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.35s ease;
}

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

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

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.75);
}

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

.btn--outline-dark {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}

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

.btn--gold {
  background: var(--gold);
  color: #000;
  border-color: var(--gold);
}

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

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

.btn--petrol:hover {
  background: var(--petrol-light);
}

.btn-arrow {
  transition: transform 0.3s ease;
}

.btn:hover .btn-arrow {
  transform: translateX(5px);
}

/* =========================================
   3 PILLAR STRIP (#index_carousel inspired)
   ========================================= */
.pillar-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--black);
  border-bottom: 1px solid #1e262e;
}

.pillar-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 400px;
  padding: 36px 32px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
  color: var(--white);
  background: #090d11;
}

.pillar-card:last-child {
  border-right: none;
}

.pillar-card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.pillar-card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  transition: transform 0.65s ease, opacity 0.45s ease;
}

.pillar-card:hover .pillar-card-bg img {
  transform: scale(1.12);
  opacity: 0.42;
}

.pillar-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 35, 49, 0.78) 55%, rgba(0, 0, 0, 0.94) 100%);
  z-index: 1;
}

.pillar-card-top,
.pillar-card-bottom {
  position: relative;
  z-index: 2;
}

.pillar-num {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--gold-light);
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid rgba(200, 164, 93, 0.45);
  padding: 4px 12px;
  margin-bottom: 14px;
}

.pillar-title-box {
  background: rgba(0, 0, 0, 0.88);
  border-left: 3px solid var(--petrol-glow);
  padding: 14px 18px;
  margin-bottom: 16px;
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  margin: 0;
  letter-spacing: 0.06em;
}

.pillar-sub {
  font-size: 0.78rem;
  color: var(--gold-light);
  letter-spacing: 0.12em;
  margin-top: 4px;
  display: block;
}

.pillar-desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.86);
  margin: 0 0 20px;
  line-height: 1.75;
}

.pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.pillar-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(0, 51, 68, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--white);
}

.pillar-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold-light);
  text-transform: uppercase;
}

.pillar-card:hover .pillar-link {
  color: var(--white);
}

/* =========================================
   SECTIONS (Black & White alternating)
   ========================================= */
.section {
  padding: 100px 0;
  position: relative;
}

.section--black {
  background: var(--black);
  color: var(--white);
}

.section--dark-petrol {
  background: linear-gradient(145deg, #04080b 0%, #002331 55%, #05080b 100%);
  color: var(--white);
}

.section--white {
  background: var(--white);
  color: #111518;
}

.section--light {
  background: var(--off-white);
  color: #111518;
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 64px;
}

.section-en {
  display: block;
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--petrol-glow);
  margin-bottom: 10px;
}

.section--black .section-en,
.section--dark-petrol .section-en {
  color: var(--gold-light);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.45rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  margin: 0 0 24px;
  line-height: 1.4;
}

.section-lead {
  font-size: 0.98rem;
  line-height: 2;
  opacity: 0.88;
  margin: 0;
}

/* Styled H2 / H3 like shisyuya.com .styled_h2 / .styled_h3 */
.styled-h2 {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 1.45rem;
  padding: 16px 24px;
  margin: 0 0 28px;
  border-left: 4px solid var(--gold);
  letter-spacing: 0.08em;
}

.styled-h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: inherit;
  border-left: 3px solid var(--petrol-glow);
  padding: 6px 0 6px 16px;
  margin: 0 0 20px;
}

/* =========================================
   STATS / NUMBERS BAR
   ========================================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.stat-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 32px 24px;
  text-align: center;
  position: relative;
}

.stat-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--petrol-glow), var(--gold));
}

.stat-label {
  font-size: 0.82rem;
  color: var(--gray-300);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
}

.stat-num small {
  font-size: 1rem;
  color: var(--gold-light);
  margin-left: 4px;
}

.stat-note {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 10px;
}

/* =========================================
   PORTFOLIO / GALLERY GRID
   ========================================= */
.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  background: var(--white);
  color: var(--black);
  border: 1px solid #cdd5dd;
  padding: 10px 22px;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.25s ease;
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.work-card {
  background: var(--white);
  border: 1px solid #e1e6eb;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.section--black .work-card {
  background: #10161d;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--white);
}

.work-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.14);
}

.work-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #ffffff;
  overflow: hidden;
  border-bottom: 1px solid #eaeeef;
}

.work-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
  transition: transform 0.55s ease;
}

.work-card:hover .work-thumb img {
  transform: scale(1.06);
}

.work-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--petrol);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 4px 12px;
}

.work-cat--pro {
  background: #8a1c4a;
}

.work-body {
  padding: 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.work-title {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  margin: 0 0 8px;
  line-height: 1.45;
}

.work-desc {
  font-size: 0.86rem;
  color: var(--gray-500);
  margin: 0;
  line-height: 1.7;
}

.section--black .work-desc {
  color: var(--gray-300);
}

/* =========================================
   FEATURE SPLIT BLOCKS
   ========================================= */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 80px;
}

.feature-split:last-child {
  margin-bottom: 0;
}

.feature-split.is-reverse .feature-media {
  order: 2;
}

.feature-media {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 16px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.feature-media-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.feature-num {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--petrol-glow);
  opacity: 0.85;
  margin-bottom: 8px;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  margin: 0 0 18px;
  line-height: 1.4;
}

.feature-list {
  margin: 20px 0 28px;
  display: grid;
  gap: 10px;
}

.feature-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.94rem;
}

.feature-list li::before {
  content: "―";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

/* =========================================
   PAGE HERO (Subpages)
   ========================================= */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 72px) 0 72px;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  border-bottom: 3px solid var(--petrol);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.25;
}

.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.92) 0%, rgba(0, 51, 68, 0.82) 100%);
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

.page-en {
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.32em;
  color: var(--gold-light);
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.page-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.6vw, 2.85rem);
  margin: 0 0 16px;
  letter-spacing: 0.08em;
}

.page-lead {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 720px;
  margin: 0;
}

.breadcrumb {
  background: #0f1419;
  color: var(--gray-300);
  font-size: 0.8rem;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--gray-500);
}

.breadcrumb a:hover {
  color: var(--gold-light);
}

/* =========================================
   CARDS, TABLES & COURSE BLOCKS
   ========================================= */
.course-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.course-card {
  background: var(--white);
  border: 1px solid #dce2e8;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
}

.course-card-head {
  background: var(--black);
  color: var(--white);
  padding: 28px 32px;
  border-bottom: 3px solid var(--petrol-glow);
}

.course-badge {
  display: inline-block;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  padding: 4px 12px;
  background: var(--petrol);
  color: var(--gold-light);
  margin-bottom: 10px;
}

.course-card-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  margin: 0;
}

.course-card-body {
  padding: 32px;
  flex: 1;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

.spec-table th,
.spec-table td {
  padding: 18px 24px;
  border: 1px solid #dde3e9;
  text-align: left;
  font-size: 0.94rem;
}

.spec-table th {
  width: 28%;
  background: #10161d;
  color: var(--white);
  font-weight: 600;
  letter-spacing: 0.06em;
}

/* =========================================
   REVIEWS (★4以上のみルール遵守)
   ========================================= */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--white);
  color: #111518;
  border: 1px solid #e1e6eb;
  padding: 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  color: #d49b27;
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.review-stars span {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-left: 8px;
}

.review-text {
  font-size: 0.92rem;
  line-height: 1.85;
  margin: 0 0 18px;
}

.review-meta {
  font-size: 0.8rem;
  color: var(--gray-500);
  border-top: 1px solid #eef2f5;
  padding-top: 12px;
  display: flex;
  justify-content: space-between;
}

/* =========================================
   SNS & OFFICIAL LINE SECTION
   ========================================= */
.sns-connect-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.sns-card {
  background: #10161d;
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 28px;
  align-items: center;
  color: var(--white);
}

.sns-tag {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 4px 12px;
  margin-bottom: 12px;
}

.sns-tag--insta {
  background: linear-gradient(90deg, #833ab4, #fd1d1d, #fcb045);
  color: var(--white);
}

.sns-tag--line {
  background: var(--line-green);
  color: var(--white);
}

.sns-qr-box {
  background: var(--white);
  padding: 12px;
  text-align: center;
  border-radius: 4px;
}

.sns-qr-box img {
  width: 136px;
  height: 136px;
  margin: 0 auto;
}

.sns-qr-note {
  display: block;
  font-size: 0.7rem;
  color: #444;
  margin-top: 6px;
  line-height: 1.3;
}

/* =========================================
   FOOTER BANNER STRIP (#footer_banner style)
   ========================================= */
.footer-banner-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--black);
}

.footer-banner-item {
  position: relative;
  height: 240px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-banner-item:last-child {
  border-right: none;
}

.footer-banner-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  transition: transform 0.6s ease, opacity 0.4s ease;
}

.footer-banner-item:hover img {
  transform: scale(1.12);
  opacity: 0.5;
}

.footer-banner-title {
  position: relative;
  z-index: 2;
  background: rgba(0, 0, 0, 0.86);
  color: var(--white);
  padding: 16px 32px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  text-align: center;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.footer-banner-item:hover .footer-banner-title {
  background: var(--petrol);
  border-color: var(--gold);
}

.footer-banner-title strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.1em;
}

.footer-banner-title span {
  display: block;
  font-size: 0.72rem;
  color: var(--gold-light);
  letter-spacing: 0.2em;
  margin-top: 4px;
}

/* =========================================
   FOOTER & SIDEBAR (#side_menu style)
   ========================================= */
.site-footer {
  background: #030507;
  color: rgba(255, 255, 255, 0.78);
  padding: 72px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-nav-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--white);
  letter-spacing: 0.12em;
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-links {
  display: grid;
  gap: 10px;
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--gold-light);
}

.footer-copy {
  background: #000000;
  text-align: center;
  padding: 20px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Right fixed quick menu (#side_menu) */
.side-quick-menu {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.side-quick-link {
  writing-mode: vertical-rl;
  background: var(--black);
  color: var(--white);
  padding: 18px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  border-left: 2px solid var(--gold);
  box-shadow: -4px 4px 16px rgba(0, 0, 0, 0.35);
}

.side-quick-link:hover {
  background: var(--petrol);
  color: var(--gold-light);
}

/* BASE Banner Box */
.base-direct-banner {
  background: linear-gradient(135deg, #0b161e 0%, #003344 100%);
  border: 1px solid rgba(200, 164, 93, 0.5);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}

@media (max-width: 820px) {
  .base-direct-banner {
    grid-template-columns: 1fr;
    padding: 24px 18px;
    gap: 20px;
  }
}
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    padding: 56px 24px 80px;
  }
  .pillar-strip {
    grid-template-columns: 1fr;
  }
  .pillar-card {
    min-height: 300px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .feature-split.is-reverse .feature-media {
    order: 0;
  }
  .course-grid,
  .sns-connect-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .footer-banner-strip,
  .footer-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  :root {
    --header-h: 68px;
  }
  .container {
    padding: 0 18px;
  }
  .header-inner {
    padding: 0 16px;
    gap: 10px;
  }
  .brand-logo {
    gap: 10px;
    min-width: 0;
  }
  .brand-emblem {
    width: 36px;
    height: 36px;
    font-size: 1rem;
    flex-shrink: 0;
  }
  .brand-name {
    font-size: 1.12rem;
    letter-spacing: 0.08em;
  }
  .brand-sub {
    font-size: 0.56rem;
    letter-spacing: 0.12em;
  }
  .menu-toggle {
    display: block;
    flex-shrink: 0;
  }
  .global-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.98);
    max-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    transition: max-height 0.35s ease;
    border-bottom: none;
  }
  .global-nav.is-open {
    max-height: calc(100vh - var(--header-h));
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }
  .global-nav > ul {
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 28px;
  }
  .global-nav > ul > li > a {
    height: auto;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .sub-menu {
    position: static;
    min-width: 0;
    width: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-top: none;
    padding-left: 14px;
    background: #090d11;
  }
  .nav-cta-btn {
    margin: 16px 0 0;
    text-align: center;
  }
  .side-quick-menu {
    display: none;
  }
  .hero-content {
    padding: 40px 18px 64px;
    gap: 32px;
  }
  .hero-eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.16em;
  }
  .hero-catch-box {
    font-size: clamp(1.3rem, 5.6vw, 1.85rem);
    padding: 10px 16px;
    max-width: 100%;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn {
    min-width: 0;
    width: 100%;
    padding: 15px 20px;
  }
  .pillar-card {
    padding: 28px 20px;
  }
  .section {
    padding: 68px 0;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .works-grid {
    grid-template-columns: 1fr;
  }
  .sns-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 24px 18px;
  }
  .news-ticker-inner {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 16px 18px;
  }
  .news-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .spec-table,
  .spec-table tbody,
  .spec-table tr,
  .spec-table th,
  .spec-table td {
    display: block;
    width: 100%;
  }
  .spec-table th {
    padding: 12px 16px;
  }
  .spec-table td {
    padding: 14px 16px 20px;
    overflow-wrap: anywhere;
  }
  .course-card-head,
  .course-card-body {
    padding: 22px 18px;
  }
}