:root {
  --color-orange: #ff6a00;
  --color-orange-hover: #e95f00;
  --color-black: #050505;
  --color-dark: #101010;
  --color-dark-card: #191919;
  --color-white: #ffffff;
  --color-light: #f7f7f5;
  --color-gray: #777777;
  --color-border: #dddddd;
  --header-height: 82px;
  --container: 1280px;
  --radius: 8px;
  --shadow-soft: 0 12px 34px rgba(0, 0, 0, 0.08);
}

html { scroll-behavior: smooth; }
body {
  color: #151515;
  background: var(--color-white);
  font-family: "Noto Sans JP", "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
[id] { scroll-margin-top: calc(var(--header-height) + 16px); }

.container {
  width: min(calc(100% - 80px), var(--container));
  margin-inline: auto;
}
.pc-only { display: inline; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  color: var(--color-white);
  background: rgba(5, 5, 5, 0.28);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled { background: rgba(5, 5, 5, 0.95); box-shadow: 0 8px 30px rgba(0,0,0,.25); }
.site-header__inner {
  width: min(calc(100% - 48px), 1500px);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.site-logo { display: flex; align-items: baseline; gap: 14px; white-space: nowrap; }
.site-logo__main { color: var(--color-orange); font-size: 25px; font-weight: 900; letter-spacing: .08em; line-height: 1; }
.site-logo__sub { color: #e2e2e2; font-size: 11px; font-weight: 700; letter-spacing: .06em; }
.global-nav { display: flex; align-items: center; gap: 22px; }
.global-nav__list { display: flex; align-items: center; gap: clamp(14px, 1.5vw, 28px); }
.global-nav__list a { position: relative; display: block; padding: 10px 0; font-size: 13px; font-weight: 700; white-space: nowrap; }
.global-nav__list a::after { content: ""; position: absolute; left: 0; bottom: 3px; width: 0; height: 2px; background: var(--color-orange); transition: width .25s ease; }
.global-nav__list a:hover::after, .global-nav__list a:focus-visible::after { width: 100%; }
.menu-toggle { display: none; }

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 14px 26px;
  color: var(--color-white);
  background: var(--color-orange);
  border: 1px solid var(--color-orange);
  border-radius: 6px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease;
}
.button:hover, .button:focus-visible { background: var(--color-orange-hover); border-color: var(--color-orange-hover); transform: translateY(-2px); }
.button--header { min-height: 48px; padding-inline: 20px; font-size: 13px; }
.button--large { min-width: 310px; min-height: 66px; margin-top: 30px; padding-inline: 34px; font-size: 17px; }
.button--white { min-width: 280px; min-height: 64px; color: var(--color-orange); background: var(--color-white); border-color: var(--color-white); }
.button--white:hover, .button--white:focus-visible { color: var(--color-orange-hover); background: #fff6ef; border-color: #fff6ef; }

.hero {
  position: relative;
  min-height: 740px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--color-black);
  color: var(--color-white);
}
.hero__media, .hero__media picture { position: absolute; inset: 0; display: block; }
.hero__image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center center; filter: brightness(1.08) saturate(1.02); }
.hero__shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.98) 0%, rgba(0,0,0,.83) 32%, rgba(0,0,0,.28) 60%, rgba(0,0,0,.08) 100%); }
.hero__inner { position: relative; z-index: 2; padding-top: var(--header-height); }
.hero__content { width: min(590px, 52%); }
.hero__eyebrow, .section-label, .reservation__label { margin-bottom: 16px; color: var(--color-orange); font-size: 13px; font-weight: 900; letter-spacing: .13em; }
.hero__title { margin-bottom: 24px; font-size: clamp(46px, 4.3vw, 70px); font-weight: 900; line-height: 1.35; letter-spacing: .015em; }
.hero__title span { color: var(--color-orange); }
.hero__text { color: #f2f2f2; font-size: 17px; line-height: 1.9; }
.hero__text + .hero__text { margin-top: 3px; }

.section { padding: 120px 0; }
.section--compact { padding: 90px 0; }
.section--light { background: var(--color-white); }
.section--dark { color: var(--color-white); background: var(--color-black); }
.section-heading { margin-bottom: 46px; }
.section-label { margin-bottom: 10px; }
.section-title { font-size: clamp(32px, 3vw, 47px); font-weight: 900; line-height: 1.45; letter-spacing: .015em; }
.section-title--white { color: var(--color-white); }
.section-text { margin-top: 30px; color: #333; font-size: 16px; line-height: 2.05; }
.section-text p + p { margin-top: 12px; }
.section-text--light { color: #d9d9d9; }

.about-grid, .training-grid, .access-grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); align-items: center; gap: clamp(56px, 7vw, 104px); }
.facility-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.facility-gallery figure { overflow: hidden; border-radius: var(--radius); background: #ddd; }
.facility-gallery__main { grid-column: 1 / -1; aspect-ratio: 16 / 7.3; }
.facility-gallery figure:not(.facility-gallery__main) { aspect-ratio: 4 / 2.65; }
.facility-gallery img { width: 100%; height: 100%; object-fit: cover; filter: brightness(1.18) contrast(.98) saturate(1.02); transition: transform .55s ease, filter .35s ease; }
.facility-gallery figure:hover img { filter: brightness(1.22) contrast(.98) saturate(1.03); transform: scale(1.025); }
.facility-gallery figure:nth-child(3) img { object-position: center 36%; }

.training-grid { grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); align-items: start; }
.training-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 42px; }
.training-point { padding: 22px 17px 20px; border: 1px solid #2d2d2d; border-radius: var(--radius); background: #0d0d0d; }
.training-point img { width: 56px; height: 56px; object-fit: contain; margin-bottom: 14px; }
.training-point h3 { margin-bottom: 8px; font-size: 16px; font-weight: 800; line-height: 1.5; }
.training-point p { color: #bbb; font-size: 12px; line-height: 1.75; }
.training-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.training-gallery figure { aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius); background: #222; }
.training-gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.training-gallery figure:hover img { transform: scale(1.025); }
.training-gallery__extra { display: block; }

.recommend-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 22px; }
.recommend-card { overflow: hidden; border: 1px solid #e4e4e4; border-radius: var(--radius); background: var(--color-white); }
.recommend-card img { width: 100%; height: clamp(160px, 13vw, 190px); object-fit: cover; }
.recommend-card:first-child img { object-position: center 25%; }
.recommend-card h3 { display: grid; place-items: center; min-height: 95px; padding: 18px 12px; text-align: center; font-size: 15px; font-weight: 800; line-height: 1.65; }

.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.feature-card { display: flex; align-items: flex-start; gap: 18px; padding: 26px 22px; border: 1px solid #262626; border-radius: var(--radius); background: var(--color-dark-card); }
.feature-card img { flex: 0 0 auto; width: 58px; height: 58px; object-fit: contain; }
.feature-card h3 { margin-bottom: 7px; font-size: 17px; font-weight: 800; line-height: 1.45; }
.feature-card p { color: #c8c8c8; font-size: 13px; line-height: 1.75; }

.flow-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 68px; counter-reset: flow; }
.flow-item { position: relative; min-height: 170px; display: grid; grid-template-columns: 64px 82px 1fr; align-items: center; gap: 18px; }
.flow-item:not(:last-child)::after { content: "›"; position: absolute; right: -43px; top: 50%; color: var(--color-orange); font-size: 38px; font-weight: 300; transform: translateY(-50%); }
.flow-item__number { width: 44px; height: 44px; display: grid; place-items: center; color: #fff; background: var(--color-orange); border-radius: 50%; font-size: 18px; font-weight: 900; }
.flow-item img { width: 74px; height: 74px; object-fit: contain; }
.flow-item__step { color: var(--color-orange); font-size: 11px; font-weight: 900; letter-spacing: .1em; }
.flow-item h3 { margin: 2px 0 7px; font-size: 18px; font-weight: 800; line-height: 1.45; }
.flow-item p:last-child { color: #555; font-size: 13px; line-height: 1.75; }

.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; }
.faq-item { overflow: hidden; border: 1px solid #3b3b3b; border-radius: 5px; background: #090909; }
.faq-question { width: 100%; min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 15px 20px; text-align: left; cursor: pointer; }
.faq-question span:first-child { font-size: 14px; font-weight: 700; line-height: 1.6; }
.faq-icon { flex: 0 0 auto; color: var(--color-orange); font-size: 22px; line-height: 1; }
.faq-answer { overflow: hidden; }
.faq-answer p { padding: 2px 20px 20px; color: #c7c7c7; font-size: 13px; line-height: 1.85; }

.reservation { overflow: hidden; color: #fff; background: var(--color-orange); }
.reservation__inner { min-height: 360px; display: grid; grid-template-columns: 290px minmax(0, 1fr) auto; align-items: center; gap: 60px; padding-block: 44px; }
.reservation__visual { align-self: stretch; position: relative; min-height: 272px; }
.reservation__visual img { position: absolute; left: 0; bottom: -44px; width: 270px; height: 330px; object-fit: cover; object-position: center 20%; border-radius: 145px 145px 0 0; }
.reservation__label { margin-bottom: 6px; color: rgba(255,255,255,.82); }
.reservation__copy h2 { font-size: clamp(30px, 3vw, 46px); font-weight: 900; line-height: 1.42; }
.reservation__copy p:last-child { margin-top: 13px; font-size: 14px; line-height: 1.85; }

.section--access { padding: 92px 0; }
.access-grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 80px; }
.access-list { margin-top: 30px; border-top: 1px solid var(--color-border); }
.access-list div { display: grid; grid-template-columns: 118px 1fr; gap: 24px; padding: 14px 0; border-bottom: 1px solid var(--color-border); }
.access-list dt { font-weight: 800; }
.access-list dd { color: #555; }
.map-card {
  position: relative;
  width: 100%;
  min-height: 550px;
  overflow: hidden;
  border-radius: var(--radius);
  background-color: #f0f0ec;
}

.map-card iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 550px;
  border: 0;
}

@media screen and (max-width: 767px) {
  .map-card {
    min-height: 320px;
  }

  .map-card iframe {
    min-height: 320px;
  }
}
.site-footer { padding: 48px 0 32px; color: #fff; background: var(--color-black); }
.site-footer__inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 32px; }
.site-footer__brand { display: flex; align-items: baseline; gap: 15px; }
.site-footer__brand span { color: var(--color-orange); font-size: 22px; font-weight: 900; letter-spacing: .08em; }
.site-footer__brand small { color: #aaa; font-size: 11px; }
.site-footer__links { display: flex; gap: 26px; color: #ccc; font-size: 12px; }
.site-footer__links a:hover { color: var(--color-orange); }
.site-footer__copy { grid-column: 1 / -1; padding-top: 22px; border-top: 1px solid #272727; color: #777; font-size: 11px; text-align: center; }

.mobile-reserve { display: none; }
.page-top { position: fixed; z-index: 900; right: 24px; bottom: 24px; width: 48px; height: 48px; display: grid; place-items: center; color: #fff; background: rgba(17,17,17,.9); border: 1px solid rgba(255,255,255,.16); border-radius: 50%; font-size: 20px; cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .25s ease, visibility .25s ease, transform .25s ease, background .2s ease; }
.page-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.page-top:hover { background: var(--color-orange); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1320px) {
  :root { --header-height: 76px; }
  .global-nav__list { gap: 13px; }
  .global-nav__list a { font-size: 12px; }
  .button--header { padding-inline: 15px; }
  .site-logo__sub { display: none; }
  .training-points { grid-template-columns: 1fr; }
  .training-point { display: grid; grid-template-columns: 52px 1fr; column-gap: 14px; }
  .training-point img { grid-row: 1 / 3; width: 48px; height: 48px; margin: 0; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-list { gap: 46px; }
  .flow-item { grid-template-columns: 48px 62px 1fr; gap: 12px; }
  .flow-item:not(:last-child)::after { right: -30px; }
  .flow-item img { width: 60px; height: 60px; }
}

@media (max-width: 1024px) {
  .container { width: min(calc(100% - 56px), var(--container)); }
  .section { padding: 96px 0; }
  .section--compact { padding: 78px 0; }
  .site-header__inner { width: calc(100% - 40px); }
  .menu-toggle { position: relative; z-index: 1002; width: 44px; height: 44px; display: grid; place-content: center; gap: 6px; }
  .menu-toggle span { width: 26px; height: 2px; display: block; background: #fff; transition: transform .3s ease, opacity .3s ease; }
  .menu-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
  .menu-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .global-nav { position: fixed; z-index: 1001; inset: 0 0 0 auto; width: min(420px, 88vw); height: 100dvh; padding: 110px 34px 38px; display: flex; flex-direction: column; align-items: stretch; gap: 28px; background: #090909; transform: translateX(105%); transition: transform .35s ease; box-shadow: -20px 0 50px rgba(0,0,0,.4); }
  .global-nav.is-open { transform: translateX(0); }
  .global-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .global-nav__list li { border-bottom: 1px solid #262626; }
  .global-nav__list a { padding: 17px 0; font-size: 14px; }
  .button--header { width: 100%; min-height: 58px; }
  .hero { min-height: 680px; }
  .hero__content { width: 58%; }
  .about-grid, .training-grid, .access-grid { grid-template-columns: 1fr; gap: 56px; }
  .training-points { grid-template-columns: repeat(3, 1fr); }
  .training-point { display: block; }
  .training-point img { width: 56px; height: 56px; margin-bottom: 14px; }
  .recommend-grid { grid-template-columns: repeat(3, 1fr); }
  .flow-list { grid-template-columns: 1fr; gap: 0; }
  .flow-item { grid-template-columns: 56px 80px 1fr; min-height: auto; padding: 25px 0; border-bottom: 1px solid #e2e2e2; }
  .flow-item:not(:last-child)::after { content: "↓"; right: auto; left: 73px; top: auto; bottom: -21px; z-index: 2; width: 30px; height: 30px; display: grid; place-items: center; background: #fff; font-size: 20px; transform: none; }
  .flow-item img { width: 70px; height: 70px; }
  .training-gallery__extra { display: none; }
  .reservation__inner { min-height: 330px; grid-template-columns: 220px 1fr; gap: 38px; padding: 44px 0; }
  .reservation__visual { min-height: 242px; }
  .reservation__visual img { bottom: -44px; width: 210px; height: 286px; }
  .reservation__action { grid-column: 2; }
}

@media (max-width: 767px) {
  :root { --header-height: 66px; }
  body { padding-bottom: 62px; font-size: 15px; }
  .container { width: calc(100% - 40px); }
  .pc-only { display: none; }
  .site-header__inner { width: calc(100% - 30px); }
  .site-logo { display: block; }
  .site-logo__main { font-size: 20px; }
  .site-logo__sub { display: block; margin-top: 6px; font-size: 8px; }
  .hero { min-height: 760px; align-items: end; }
  .hero__media, .hero__media picture { inset: 0; }
  .hero__image { inset: 0; height: 100%; object-position: 54% 34%; filter: brightness(1.1) saturate(1.03); }
  .hero__shade { background: linear-gradient(180deg, rgba(0,0,0,.04) 0%, rgba(0,0,0,.16) 34%, rgba(0,0,0,.74) 67%, rgba(0,0,0,.97) 100%); }
  .hero__inner { padding-top: calc(var(--header-height) + 34px); padding-bottom: 58px; }
  .hero__content { width: 100%; }
  .hero__eyebrow { margin-bottom: 10px; font-size: 11px; }
  .hero__title { margin-bottom: 18px; font-size: clamp(32px, 9vw, 40px); line-height: 1.38; }
  .hero__text { font-size: 14px; line-height: 1.8; }
  .button--large { width: 100%; min-width: 0; min-height: 60px; margin-top: 24px; font-size: 15px; }
  .section { padding: 78px 0; }
  .section--compact { padding: 70px 0; }
  .section-heading { margin-bottom: 30px; }
  .section-label { margin-bottom: 6px; font-size: 11px; }
  .section-title { font-size: 29px; line-height: 1.45; }
  .section-text { margin-top: 22px; font-size: 14px; line-height: 1.95; }
  .about-grid, .training-grid, .access-grid { gap: 38px; }
  .facility-gallery { gap: 6px; }
  .facility-gallery__main { aspect-ratio: 16 / 9; }
  .facility-gallery figure:not(.facility-gallery__main) { aspect-ratio: 1 / 1; }
  .training-points { grid-template-columns: 1fr; gap: 10px; margin-top: 30px; }
  .training-point { display: grid; grid-template-columns: 56px 1fr; column-gap: 14px; padding: 18px; }
  .training-point img { grid-row: 1 / 3; width: 50px; height: 50px; margin: 0; }
  .training-point h3 { margin: 0 0 4px; font-size: 15px; }
  .training-point p { font-size: 12px; }
  .training-gallery { gap: 6px; }
  .training-gallery figure { aspect-ratio: 1 / 1; }
  .recommend-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; overflow: visible; margin-right: 0; padding: 0; }
  .recommend-card { min-width: 0; }
  .recommend-card:last-child { grid-column: 1 / -1; width: calc((100% - 12px) / 2); justify-self: center; }
  .recommend-card img { height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
  .recommend-card h3 { min-height: 78px; padding: 13px 8px; font-size: 12.5px; line-height: 1.55; }
  .feature-grid { grid-template-columns: 1fr; gap: 10px; }
  .feature-card { padding: 20px 18px; }
  .feature-card img { width: 52px; height: 52px; }
  .flow-item { grid-template-columns: 44px 62px 1fr; gap: 11px; }
  .flow-item__number { width: 38px; height: 38px; font-size: 15px; }
  .flow-item img { width: 58px; height: 58px; }
  .flow-item:not(:last-child)::after { left: 55px; }
  .flow-item h3 { font-size: 16px; }
  .flow-item p:last-child { font-size: 12px; }
  .faq-grid { grid-template-columns: 1fr; gap: 10px; }
  .faq-question { min-height: 58px; padding: 14px 16px; }
  .faq-question span:first-child { font-size: 13px; }
  .faq-answer p { padding: 0 16px 17px; font-size: 12px; }
  .reservation__inner { width: 100%; min-height: 0; grid-template-columns: 1fr; gap: 0; padding: 0; }
  .reservation__visual { min-height: 310px; overflow: hidden; }
  .reservation__visual img { left: 50%; bottom: 0; width: 260px; height: 310px; transform: translateX(-50%); }
  .reservation__copy { padding: 42px 20px 0; text-align: center; }
  .reservation__copy h2 { font-size: 28px; }
  .reservation__copy p:last-child { font-size: 13px; }
  .reservation__action { grid-column: auto; padding: 32px 20px 56px; }
  .button--white { width: 100%; min-width: 0; }
  .section--access { padding: 72px 0; }
  .access-list div { grid-template-columns: 92px 1fr; gap: 14px; padding: 12px 0; font-size: 13px; }
  .map-card { min-height: 300px; }
  .site-footer { padding: 40px 0 25px; }
  .site-footer__inner { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 20px; }
  .site-footer__brand { display: grid; gap: 2px; }
  .site-footer__links { gap: 18px; }
  .site-footer__copy { width: 100%; grid-column: auto; }
  .mobile-reserve { position: fixed; z-index: 999; inset: auto 0 0; height: 62px; display: grid; place-items: center; color: #fff; background: var(--color-orange); font-size: 16px; font-weight: 900; letter-spacing: .04em; box-shadow: 0 -8px 20px rgba(0,0,0,.18); }
  .page-top { right: 14px; bottom: 76px; width: 44px; height: 44px; }
}

@media (max-width: 380px) {
  .container { width: calc(100% - 32px); }
  .hero__title { font-size: 32px; }
  .training-gallery { grid-template-columns: 1fr; }
  .flow-item { grid-template-columns: 38px 54px 1fr; }
  .flow-item:not(:last-child)::after { left: 43px; }
}

