/* =========================================================
   STRONG FITNESS  /  style.css
   Color: #FFFFFF (白)  /  #1A6FBF (青)  /  #1A1A1A (黒)
   Font : Noto Sans JP + Montserrat
   ========================================================= */

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  color: #1A1A1A;
  background: #FFFFFF;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  font-weight: 400;
}

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

a { color: inherit; text-decoration: none; transition: opacity .2s ease, color .2s ease; }
a:hover { opacity: .8; }

.container { width: min(1120px, 92%); margin-inline: auto; }

/* -------- Buttons -------- */
.btn {
  display: inline-block;
  padding: 16px 36px;
  font-size: 14px;
  letter-spacing: .12em;
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  text-align: center;
  border-radius: 4px;
}
.btn-primary {
  background: #1A6FBF;
  color: #FFFFFF;
  border-color: #1A6FBF;
  box-shadow: 0 4px 14px rgba(26, 111, 191, .35);
}
.btn-primary:hover {
  background: #155A99;
  border-color: #155A99;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(26, 111, 191, .45);
  opacity: 1;
}
.btn-ghost {
  background: transparent;
  color: #FFFFFF;
  border-color: #FFFFFF;
}
.btn-ghost:hover {
  background: #FFFFFF;
  color: #1A1A1A;
  opacity: 1;
}
.btn-lg { padding: 22px 64px; font-size: 16px; }
.btn-block { display: block; width: 100%; }

/* -------- Header -------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 16px 0;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #E5E9EE;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; flex-direction: column; line-height: 1.1; }
.brand-en {
  font-family: "Montserrat", sans-serif;
  font-size: 20px;
  letter-spacing: .15em;
  color: #1A6FBF;
  font-weight: 800;
}
.brand-ja {
  font-size: 11px;
  letter-spacing: .08em;
  color: #555;
  margin-top: 4px;
}
.nav-pc { display: flex; gap: 28px; align-items: center; }
.nav-pc a {
  color: #1A1A1A;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .05em;
}
.nav-pc a:hover { color: #1A6FBF; opacity: 1; }
.nav-cta {
  background: #1A6FBF;
  color: #FFFFFF !important;
  padding: 10px 22px;
  border-radius: 4px;
  font-weight: 600 !important;
  box-shadow: 0 4px 12px rgba(26, 111, 191, .3);
}
.nav-cta:hover {
  background: #155A99;
  transform: translateY(-1px);
}

/* -------- Hero -------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex; align-items: center;
  overflow: hidden;
  color: #FFFFFF;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?w=1600&q=80&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  filter: brightness(.55);
  animation: heroZoom 16s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1); }
  to   { transform: scale(1.07); }
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(26, 111, 191, .4) 0%, rgba(26, 26, 26, .65) 100%);
}
.hero-inner {
  position: relative;
  padding: 140px 0 80px;
  animation: fadeUp 1.2s ease-out both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow {
  font-family: "Montserrat", sans-serif;
  letter-spacing: .2em;
  font-size: 13px;
  font-weight: 600;
  color: #79C0FF;
  margin-bottom: 26px;
  text-transform: uppercase;
}
.hero-title {
  font-size: clamp(34px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 28px;
  letter-spacing: .02em;
}
.hero-sub {
  font-size: 16px;
  letter-spacing: .05em;
  margin-bottom: 44px;
  color: #E8EEF5;
  line-height: 2;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* -------- Section heads -------- */
.section-head { text-align: center; margin-bottom: 64px; }
.section-en {
  font-family: "Montserrat", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .25em;
  color: #1A6FBF;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-ja {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: .05em;
  margin-bottom: 18px;
  position: relative;
  display: inline-block;
  color: #1A1A1A;
}
.section-ja::after {
  content: "";
  display: block;
  width: 40px; height: 3px;
  background: #1A6FBF;
  margin: 16px auto 0;
  border-radius: 2px;
}
.section-lead {
  font-size: 15px;
  color: #555;
  letter-spacing: .03em;
}

/* -------- Concept (Feature) -------- */
.concept {
  padding: 110px 0;
  background: #F5F8FB;
}
.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.concept-card {
  padding: 44px 32px;
  background: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(26, 26, 26, .06);
  text-align: center;
  transition: transform .3s ease, box-shadow .3s ease;
  border-top: 4px solid #1A6FBF;
}
.concept-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 36px rgba(26, 111, 191, .15);
}
.concept-num {
  font-family: "Montserrat", sans-serif;
  font-size: 38px;
  font-weight: 800;
  color: #1A6FBF;
  margin-bottom: 14px;
  letter-spacing: .05em;
}
.concept-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .03em;
  margin-bottom: 18px;
  color: #1A1A1A;
}
.concept-text {
  font-size: 14px;
  color: #555;
  line-height: 1.95;
  text-align: left;
}

/* -------- Menu (Programs) -------- */
.menu {
  padding: 110px 0;
  background: #FFFFFF;
}
.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.menu-card {
  background: #FFFFFF;
  border: 1px solid #E5E9EE;
  border-radius: 8px;
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.menu-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 32px rgba(26, 26, 26, .1);
}
.menu-img {
  height: 220px;
  background-size: cover;
  background-position: center;
  transition: transform .5s ease;
}
.menu-card:hover .menu-img {
  transform: scale(1.06);
}
.menu-body { padding: 26px 24px; }
.menu-row {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 14px;
  border-bottom: 2px solid #E5E9EE;
  padding-bottom: 12px;
}
.menu-name {
  font-size: 18px;
  font-weight: 700;
  color: #1A1A1A;
  letter-spacing: .02em;
}
.menu-price {
  font-family: "Montserrat", sans-serif;
  color: #1A6FBF;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
}
.menu-text {
  font-size: 14px;
  color: #555;
  line-height: 1.95;
}

/* -------- Price -------- */
.price {
  padding: 110px 0;
  background: #F5F8FB;
}
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}
.price-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid #E5E9EE;
  border-radius: 10px;
  padding: 44px 32px 36px;
  text-align: center;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
}
.price-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(26, 26, 26, .1);
}
.price-card-featured {
  border: 2px solid #1A6FBF;
  box-shadow: 0 8px 28px rgba(26, 111, 191, .18);
  transform: translateY(-8px);
}
.price-card-featured:hover {
  transform: translateY(-12px);
}
.price-badge {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: #1A6FBF;
  color: #FFFFFF;
  font-family: "Montserrat", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .15em;
  padding: 6px 18px;
  border-radius: 999px;
  white-space: nowrap;
}
.price-name {
  font-family: "Montserrat", sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: #1A6FBF;
  margin-bottom: 6px;
  letter-spacing: .04em;
}
.price-meta {
  font-size: 13px;
  color: #777;
  margin-bottom: 22px;
}
.price-amount {
  font-family: "Montserrat", sans-serif;
  font-size: 38px;
  font-weight: 800;
  color: #1A1A1A;
  margin-bottom: 28px;
  line-height: 1.2;
}
.price-amount small {
  font-size: 13px;
  font-weight: 500;
  color: #777;
  margin-left: 4px;
}
.price-yen {
  font-size: 22px;
  margin-right: 2px;
  vertical-align: 4px;
  color: #1A6FBF;
}
.price-list {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
  flex: 1;
}
.price-list li {
  padding: 10px 0 10px 28px;
  border-bottom: 1px solid #EEF1F5;
  font-size: 14px;
  color: #333;
  position: relative;
}
.price-list li::before {
  content: "✓";
  position: absolute;
  left: 4px;
  color: #1A6FBF;
  font-weight: 700;
}
.price-list li:last-child { border-bottom: none; }

/* -------- Contact -------- */
.contact {
  padding: 110px 0;
  background: linear-gradient(135deg, #1A6FBF 0%, #155A99 100%);
  color: #FFFFFF;
  text-align: center;
}
.contact-inner { max-width: 760px; margin-inline: auto; }
.contact-en {
  font-family: "Montserrat", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .3em;
  color: #BFD7EF;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.contact-title {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: .04em;
  margin-bottom: 22px;
}
.contact-text {
  font-size: 15px;
  color: #E0EDF8;
  margin-bottom: 38px;
  letter-spacing: .03em;
}
.contact .btn-primary {
  background: #FFFFFF;
  color: #1A6FBF;
  border-color: #FFFFFF;
  box-shadow: 0 6px 22px rgba(0, 0, 0, .25);
}
.contact .btn-primary:hover {
  background: #1A1A1A;
  color: #FFFFFF;
  border-color: #1A1A1A;
}
.contact-note {
  margin-top: 24px;
  font-size: 13px;
  color: #BFD7EF;
  letter-spacing: .05em;
}

/* -------- Footer -------- */
.site-footer {
  background: #1A1A1A;
  color: #C8D0DA;
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-brand {
  font-family: "Montserrat", sans-serif;
  letter-spacing: .15em;
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 700;
}
.footer-copy {
  font-size: 12px;
  letter-spacing: .05em;
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 900px) {
  .nav-pc { gap: 16px; }
  .nav-pc a { font-size: 13px; }
  .nav-cta { padding: 8px 16px; }
  .concept-grid,
  .menu-grid,
  .price-grid { grid-template-columns: 1fr; gap: 22px; }
  .price-card-featured { transform: none; }
  .price-card-featured:hover { transform: translateY(-6px); }
}

@media (max-width: 640px) {
  .nav-pc { display: none; }
  .header-inner { justify-content: center; }
  .hero-inner { padding: 120px 0 80px; }
  .hero-title { font-size: 30px; line-height: 1.45; }
  .hero-sub { font-size: 14px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .concept,
  .menu,
  .price,
  .contact { padding: 70px 0; }
  .section-head { margin-bottom: 44px; }
  .price-amount { font-size: 32px; }
  .footer-inner { flex-direction: column; text-align: center; }
}
