/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  color: #1a1a1a;
  background: #fff;
  line-height: 1.8;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: opacity .25s; }
a:hover { opacity: .75; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* ===== CSS VARIABLES ===== */
:root {
  --oki-blue: #003DA5;
  --oki-dark: #0a0f1c;
  --oki-accent: #00A0E9;
  --oki-light: #f4f6f9;
  --oki-gray: #6b7280;
  --oki-border: #e0e4ea;
  --section-pad: 100px 0;
  --container: 1200px;
  --font-en: 'Montserrat', sans-serif;
}

/* ===== UTILITY ===== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 40px; }
.section-label {
  font-family: var(--font-en);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--oki-accent);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 40px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--oki-blue);
  border: 2px solid var(--oki-blue);
  padding: 12px 32px;
  border-radius: 40px;
  transition: all .3s;
}
.btn-primary:hover { background: var(--oki-blue); color: #fff; opacity: 1; }
.btn-primary::after { content: '→'; transition: transform .3s; }
.btn-primary:hover::after { transform: translateX(4px); }

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--oki-border);
  transition: transform .3s;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}
.logo { display: flex; align-items: center; }
.logo img { height: 40px; width: auto; display: block; }
.nav-main { display: flex; gap: 32px; }
.nav-main a { font-size: .9375rem; font-weight: 500; color: #333; position: relative; }
.nav-main a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--oki-blue); transition: width .3s; }
.nav-main a:hover { opacity: 1; }
.nav-main a:hover::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 20px; }
.nav-contact {
  font-size: .75rem;
  font-weight: 600;
  color: #fff;
  background: var(--oki-blue);
  padding: 8px 20px;
  border-radius: 20px;
}
.nav-contact:hover { opacity: 1; background: #002d7a; }

/* ===== HAMBURGER BUTTON ===== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1100;
}
.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: #333;
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(16px);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s, visibility .35s;
}
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}
.mobile-menu-close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1060;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mobile-menu-close span {
  position: absolute;
  width: 24px;
  height: 2px;
  background: #333;
  border-radius: 2px;
}
.mobile-menu-close span:first-child {
  transform: rotate(45deg);
}
.mobile-menu-close span:last-child {
  transform: rotate(-45deg);
}
.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.mobile-menu-nav a {
  font-size: 1.1rem;
  font-weight: 600;
  color: #333;
  padding: 16px 24px;
  transition: color .25s;
}
.mobile-menu-nav a:hover {
  color: var(--oki-blue);
  opacity: 1;
}
.mobile-menu-contact {
  margin-top: 16px;
  font-size: 1rem !important;
  font-weight: 600;
  color: #fff !important;
  background: var(--oki-blue);
  padding: 14px 40px !important;
  border-radius: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.mobile-menu-contact:hover {
  background: #002d7a;
  color: #fff !important;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: url('./images/hero-bg.png') center center / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,15,28,.72) 0%, rgba(0,61,165,.45) 100%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 120px;
  background: linear-gradient(to top, #fff, transparent);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; padding-top: 72px; }
.hero-text {
  max-width: 700px;
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.35;
  color: #fff;
  letter-spacing: .02em;
  text-shadow: 0 2px 16px rgba(0,0,0,.35);
}
.hero-title .accent { color: var(--oki-accent); }
.hero-sub {
  margin-top: 24px;
  font-size: 1rem;
  color: rgba(255,255,255,.85);
  font-weight: 400;
  text-shadow: 0 1px 8px rgba(0,0,0,.3);
}
.scroll-indicator {
  position: absolute;
  bottom: 48px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 3;
}
.scroll-indicator span {
  font-family: var(--font-en);
  font-size: .65rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
}
.scroll-line {
  width: 1px; height: 48px;
  background: rgba(255,255,255,.3);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%; left: 0;
  width: 1px; height: 100%;
  background: rgba(255,255,255,.8);
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown { 0% { top: -100%; } 100% { top: 100%; } }

/* ===== TECH & INNOVATION ===== */
.tech { padding: var(--section-pad); background: #fff; }
.tech-lead {
  font-size: 1.05rem;
  color: var(--oki-gray);
  line-height: 1.8;
  margin-top: -24px;
  margin-bottom: 40px;
  padding-left: 4px;
  position: relative;
}
.tech-lead::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--oki-accent);
  vertical-align: middle;
  margin-right: 10px;
}
.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.tech-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  height: 400px;
}
.tech-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.tech-card:hover img { transform: scale(1.04); }

/* --- EDVアカデミーカード背景 --- */
.tech-card--edv {
  background: linear-gradient(135deg, #e8eef8 0%, #d0ddf0 100%);
}
.tech-card-bg {
  position: absolute;
  inset: 0;
  background: url('./images/edv-academy-logo.png') center 35% / 85% no-repeat;
  opacity: .18;
  transition: transform .6s;
}
.tech-card--edv:hover .tech-card-bg {
  transform: scale(1.04);
}
.tech-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,15,28,.8) 20%, transparent 80%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
}
.tech-card-title { font-size: 1.5rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.tech-card-catch {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--oki-accent);
  margin-bottom: 10px;
  letter-spacing: .04em;
}
.tech-card-desc { font-size: .85rem; color: rgba(255,255,255,.8); line-height: 1.75; margin-bottom: 20px; }
.tech-link {
  font-family: var(--font-en);
  font-size: .8rem;
  font-weight: 600;
  color: var(--oki-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tech-link::after { content: '→'; transition: transform .3s; }
.tech-card:hover .tech-link::after { transform: translateX(6px); }

/* ===== ACADEMY DETAIL ===== */
#academy-features {
  scroll-margin-top: 100px;
}
.academy-detail {
  margin-top: 64px;
}
.academy-catch {
  text-align: center;
  padding: 48px 32px;
  background: linear-gradient(135deg, #e8f4fd 0%, #dce8f8 100%);
  border-radius: 16px;
  margin-bottom: 48px;
}
.academy-catch-location {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--oki-blue);
  margin-bottom: 12px;
}
.academy-catch-location i {
  color: var(--oki-accent);
  margin-right: 4px;
}
.academy-catch-text {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 900;
  color: var(--oki-dark);
  line-height: 1.6;
}

/* Gallery */
.academy-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}
.academy-gallery-item {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.academy-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.academy-gallery-item:hover img {
  transform: scale(1.06);
}

/* Academy Heading */
.academy-heading {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--oki-dark);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--oki-border);
}
.academy-heading-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--oki-blue);
  color: #fff;
  font-size: .9rem;
  flex-shrink: 0;
}

/* Features */
.academy-features {
  margin-bottom: 56px;
}
.academy-features-intro {
  font-size: 1rem;
  color: var(--oki-gray);
  margin-bottom: 28px;
  line-height: 1.8;
}
.academy-features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.academy-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--oki-border);
}
.academy-feature-item:first-child {
  padding-top: 0;
}
.academy-feature-item:last-child {
  border-bottom: none;
}
.academy-feature-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--oki-blue) 0%, var(--oki-accent) 100%);
  color: #fff;
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}
.academy-feature-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--oki-dark);
  margin-bottom: 6px;
}
.academy-feature-desc {
  font-size: .9rem;
  color: var(--oki-gray);
  line-height: 1.8;
}

/* Coach */
.academy-coach {
  margin-bottom: 56px;
}
.academy-coach-content {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}
.academy-coach-photo {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,61,165,.12);
}
.academy-coach-photo img {
  width: 100%;
  height: auto;
  display: block;
}
.academy-coach-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--oki-dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--oki-accent);
}
.academy-coach-name-ruby {
  font-size: .85rem;
  font-weight: 400;
  color: var(--oki-gray);
  margin-left: 4px;
}
.academy-coach-basic {
  font-size: .9rem;
  color: #444;
  line-height: 1.9;
  margin-bottom: 20px;
}
.academy-coach-career-label {
  font-size: .85rem;
  font-weight: 700;
  color: var(--oki-blue);
  margin-bottom: 8px;
  padding-left: 10px;
  border-left: 3px solid var(--oki-accent);
}
.academy-coach-career-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}
.academy-coach-career-list li {
  font-size: .85rem;
  color: #555;
  line-height: 1.9;
  padding: 3px 0 3px 18px;
  position: relative;
}
.academy-coach-career-list li::before {
  content: '▪';
  position: absolute;
  left: 0;
  color: var(--oki-accent);
  font-size: .65rem;
  top: 5px;
}
.academy-coach-highlight {
  background: linear-gradient(90deg, rgba(0,160,233,.08) 0%, transparent 100%);
  border-radius: 6px;
  padding: 8px 12px 8px 18px !important;
  margin: 4px 0;
  font-weight: 600;
  color: var(--oki-blue) !important;
}
.academy-coach-highlight::before {
  content: '' !important;
  display: none;
}
.coach-emphasis {
  color: var(--oki-blue);
  font-weight: 700;
}

/* Info - Price Card */
.academy-info {
  margin-bottom: 56px;
}
.academy-price-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}
.academy-price-card {
  border: 2px solid var(--oki-border);
  border-radius: 16px;
  overflow: hidden;
  text-align: center;
  transition: border-color .3s, box-shadow .3s;
}
.academy-price-card:hover {
  border-color: var(--oki-accent);
  box-shadow: 0 8px 32px rgba(0,160,233,.12);
}
.academy-price-card-header {
  background: var(--oki-blue);
  color: #fff;
  padding: 20px 24px;
}
.academy-price-card-header h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.academy-price-card-header span {
  font-size: .82rem;
  font-family: var(--font-en);
  color: rgba(255,255,255,.7);
  letter-spacing: .08em;
}
.academy-price-card-body {
  padding: 28px 24px;
  background: #fff;
}
.academy-price-schedule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: .9rem;
  color: var(--oki-gray);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--oki-border);
}
.academy-price-schedule i {
  color: var(--oki-accent);
}
.academy-price-option {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--oki-border);
}
.academy-price-option:last-child {
  border-bottom: none;
}
.academy-price-option-label {
  font-size: .85rem;
  color: var(--oki-gray);
}
.academy-price-option-value {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--oki-blue);
}
.academy-price-option-value small {
  font-size: .7rem;
  font-weight: 400;
  color: var(--oki-gray);
}
.academy-fee-note {
  text-align: center;
  font-size: .8rem;
  color: var(--oki-gray);
  margin-bottom: 28px;
  line-height: 1.7;
}
.academy-venue-bar {
  display: flex;
  gap: 16px;
}
.academy-venue-bar-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  background: var(--oki-light);
  border-radius: 12px;
  border: 1px solid var(--oki-border);
}
.academy-venue-bar-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--oki-blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: .85rem;
}
.academy-venue-bar-text strong {
  display: block;
  font-size: .9rem;
  color: var(--oki-dark);
}
.academy-venue-bar-text span {
  font-size: .78rem;
  color: var(--oki-gray);
}

/* Academy CTA */
.academy-cta {
  text-align: center;
  padding: 48px 32px;
  background: linear-gradient(135deg, var(--oki-blue) 0%, #0058d6 100%);
  border-radius: 16px;
}
.academy-cta-text {
  font-size: 1.05rem;
  color: rgba(255,255,255,.9);
  line-height: 1.9;
  margin-bottom: 28px;
}
.academy-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--oki-blue);
  background: #fff;
  padding: 16px 40px;
  border-radius: 40px;
  transition: all .3s;
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
}
.academy-cta-btn:hover {
  opacity: 1;
  background: var(--oki-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.academy-cta-btn::after {
  content: '→';
  transition: transform .3s;
}
.academy-cta-btn:hover::after {
  transform: translateX(4px);
}

/* SP only line break */
.sp-only { display: none; }

/* ===== ABOUT US ===== */
.about { padding: var(--section-pad); background: var(--oki-dark); color: #fff; }
.about .section-title { color: #fff; }

/* ===== CONTACT CTA ===== */
.cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--oki-blue) 0%, #0058d6 100%);
  color: #fff;
  text-align: center;
}
.cta .section-label { color: rgba(255,255,255,.6); }
.cta .section-title { color: #fff; margin-bottom: 32px; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--oki-blue);
  background: #fff;
  padding: 14px 40px;
  margin: 6px 8px;
  border-radius: 40px;
  transition: all .3s;
}
.cta-btn:hover { opacity: 1; background: var(--oki-dark); color: #fff; }
.cta-btn::after { content: '→'; }

/* ===== FOOTER ===== */
.footer { background: var(--oki-dark); color: rgba(255,255,255,.5); padding: 64px 0 32px; }
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.footer-tagline { font-size: .8rem; line-height: 1.8; }
.footer-col-title { font-size: .75rem; font-weight: 700; color: rgba(255,255,255,.8); margin-bottom: 16px; text-transform: uppercase; letter-spacing: .1em; font-family: var(--font-en); }
.footer-col a { display: block; font-size: .8rem; margin-bottom: 10px; color: rgba(255,255,255,.45); }
.footer-col a:hover { color: var(--oki-accent); opacity: 1; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  font-size: .7rem;
}
/* ===== HERO BUTTON ===== */
.hero-btn {
  margin-top: 32px;
  margin-right: 16px;
  background: #fff;
  color: var(--oki-blue);
  border-color: #fff;
}
.hero-btn:hover {
  background: var(--oki-accent);
  border-color: var(--oki-accent);
  color: #fff;
}

/* ===== MISSION ===== */
.mission { padding: var(--section-pad); background: #fff; }
.mission-lead {
  font-size: 1rem;
  color: var(--oki-gray);
  line-height: 2;
  max-width: 800px;
  margin-bottom: 48px;
}
.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.mission-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  height: 320px;
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
  transition: transform .4s, box-shadow .4s;
}
.mission-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,61,165,.18);
}
.mission-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s, filter .4s;
}
.mission-card:hover img {
  transform: scale(1.06);
  filter: brightness(1.05);
}
.mission-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.7) 0%, rgba(0,0,0,.15) 40%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  transition: background .4s;
}
.mission-card:hover .mission-card-overlay {
  background: linear-gradient(to top, rgba(0,0,0,.75) 0%, rgba(0,0,0,.2) 45%, transparent 100%);
}
.mission-card-num {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(255,255,255,.12);
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
  transition: color .4s;
}
.mission-card:hover .mission-card-num {
  color: rgba(0,160,233,.4);
}
.mission-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}
.mission-card-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 3px;
  height: calc(100% - 8px);
  background: var(--oki-accent);
  border-radius: 2px;
}
.mission-card-desc {
  font-size: .8rem;
  color: rgba(255,255,255,.7);
  line-height: 1.8;
  padding-left: 16px;
}

/* ===== LINKS GRID (inside .about section) ===== */
.links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.link-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .3s, border-color .3s, background .3s;
}
.link-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,160,233,.4);
  background: rgba(255,255,255,.1);
  opacity: 1;
}
.link-card-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
}
.link-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.link-card:hover .link-card-img img {
  transform: scale(1.05);
}
.link-card-body {
  padding: 24px;
}
.link-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.link-card-desc {
  font-size: .8rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
  margin-bottom: 16px;
}
.link-card-url {
  font-family: var(--font-en);
  font-size: .75rem;
  color: var(--oki-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== GREETING ===== */
.greeting {
  max-width: 800px;
  margin: 0 auto 48px;
  background: #fff;
  border-radius: 16px;
  padding: 48px 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,.04);
}
.greeting-heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--oki-blue);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--oki-accent);
  display: inline-block;
}
.greeting-name {
  font-size: .95rem;
  font-weight: 600;
  color: #333;
  line-height: 1.8;
  margin-bottom: 28px;
}
.greeting-body p {
  font-size: .9rem;
  color: #444;
  line-height: 2;
  margin-bottom: 16px;
}
.greeting-body p:last-child {
  margin-bottom: 0;
}

/* ===== COMPANY SECTION ===== */
.company-section { padding: var(--section-pad); background: var(--oki-light); }
.company-info {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  border-radius: 16px;
  padding: 8px 0;
  box-shadow: 0 4px 24px rgba(0,0,0,.04);
}
.company-table {
  width: 100%;
  border-collapse: collapse;
}
.company-table th,
.company-table td {
  padding: 20px 28px;
  border-bottom: 1px solid var(--oki-border);
  text-align: left;
  font-size: .9rem;
  line-height: 1.8;
  vertical-align: top;
}
.company-table tr:last-child th,
.company-table tr:last-child td {
  border-bottom: none;
}
.company-table th {
  width: 140px;
  font-weight: 700;
  color: var(--oki-blue);
  white-space: nowrap;
  font-size: .85rem;
}
.company-table th i {
  margin-right: 6px;
}
.company-business-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: biz-counter;
}
.company-business-list li {
  counter-increment: biz-counter;
  padding: 4px 0;
  font-size: .85rem;
  line-height: 1.8;
}
.company-business-list li::before {
  content: "（" counter(biz-counter) "）";
  color: var(--oki-blue);
  font-weight: 600;
  margin-right: 4px;
}

/* ===== OFFICERS ===== */
.company-officers {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.officer-title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--oki-blue);
  margin-bottom: 4px;
  padding-left: 12px;
  border-left: 3px solid var(--oki-accent);
}
.officer-career {
  list-style: none;
  padding: 0;
  margin: 0;
}
.officer-career li {
  font-size: .82rem;
  line-height: 1.8;
  color: #555;
  padding-left: 16px;
  position: relative;
}
.officer-career li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--oki-gray);
}

/* ===== CTA ADDITIONS ===== */
.cta-desc {
  font-size: 1rem;
  color: rgba(255,255,255,.8);
  line-height: 1.8;
  margin-bottom: 32px;
}
.cta-contact-info {
  margin-bottom: 28px;
}
.cta-phone {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #fff;
}
.cta-phone i {
  font-size: 1rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
}

/* ===== FOOTER LOGO IMAGE ===== */
.footer-logo-img {
  height: 36px;
  width: auto;
  display: block;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
}

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease-out, transform .7s ease-out;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .nav-main { display: none; }
  .nav-actions { display: none; }
  .hamburger { display: flex; }
  .mission-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-card { height: 260px; }
  .links-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .academy-coach-content { grid-template-columns: 220px 1fr; gap: 28px; }
  .academy-gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .header-inner { padding: 0 20px; }
  :root { --section-pad: 64px 0; }
  .tech-grid { grid-template-columns: 1fr; }
  .tech-card { height: 300px; }
  .mission-grid { grid-template-columns: 1fr; }
  .mission-card { height: 240px; }
  .links-grid { grid-template-columns: 1fr; }
  .greeting { padding: 32px 24px; margin-bottom: 32px; }
  .company-table th { width: 100px; font-size: .8rem; }
  .company-table th,
  .company-table td { padding: 16px 16px; }
  .cta-desc br { display: none; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .sp-only { display: inline; }
  .academy-catch { padding: 32px 20px; }
  .academy-gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .academy-coach-content { grid-template-columns: 1fr; gap: 24px; }
  .academy-coach-photo { max-width: 240px; margin: 0 auto; }
  .academy-price-grid { grid-template-columns: 1fr; }
  .academy-venue-bar { flex-direction: column; }
  .academy-cta { padding: 32px 20px; }
  .academy-cta-btn { padding: 14px 28px; font-size: .9rem; }
}