@charset "utf-8";

:root {
  --color-bg:            #FFFEFD;
  --color-bg-alt:        #F8F2EB;
  --color-beige:         #DBCBB7;
  --color-band:          rgba(219, 203, 183, .38);
  --color-accent:        #77AC54;
  --color-accent-dark:   #4A7A32;
  --color-accent-light:  #B3CA55;
  --color-text:          #414141;
  --color-text-sub:      #6B6B6B;
  --color-line:          #DBCBB7;
  --color-dark:          #1E2A15;
  --color-white:         #FFFFFF;

  --font-en: "Philosopher", serif;
  --font-jp: "Shippori Mincho B1", "Noto Serif JP", serif;

  --container: 1306px;
  --gutter: 30px;
  --section-y: 110px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 2;
  letter-spacing: .06em;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--color-accent-dark); outline-offset: 3px; }

body[data-lang="zh-Hans"] { font-family: "Noto Serif SC", serif; }
body[data-lang="zh-Hant"] { font-family: "Noto Serif TC", serif; }
body[data-lang="ko"]      { font-family: "Noto Serif KR", serif; }
body[data-lang="en"]      { font-family: "Philosopher", serif; letter-spacing: .02em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-y) 0; position: relative; }
.section-alt { background: var(--color-bg-alt); }
.narrow { max-width: 940px; margin: 0 auto; }
.note-sm { font-size: 12.5px; color: var(--color-text-sub); }

.site-header { position: relative; background: var(--color-bg); }
.header-band { height: 29px; background: var(--color-band); }
.header-inner {
  position: relative; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter);
}

.logo {
  display: block; width: fit-content; margin: 0 auto; padding: 40px 0 22px; text-align: center;
}
.logo .logo-name {
  display: block; font-family: var(--font-en); font-size: 38px; line-height: 1;
  letter-spacing: .07em; color: var(--color-accent-dark);
}
.logo .logo-sub {
  display: block; font-family: var(--font-en); font-size: 10px; line-height: 1;
  letter-spacing: .24em; color: var(--color-text-sub); margin-top: 9px;
}

.nav-list { display: flex; justify-content: center; column-gap: 34px; }
.nav-list > li > a { position: relative; display: block; padding-bottom: 26px; }
.nav-list span { display: block; text-align: center; line-height: 1; }
.nav-list .en { font-family: var(--font-en); font-size: 19px; letter-spacing: .04em; color: var(--color-accent-dark); }

.nav-list .jp {
  position: absolute; bottom: 0; left: -12px; right: -12px;
  padding-top: 7px; font-size: 13px; letter-spacing: 0; color: var(--color-text);
  opacity: 0; transition: opacity .25s;
}
.nav-list .jp::before {
  content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 23px; height: 1px; background: var(--color-accent);
}
.nav-list > li > a:hover .jp, .nav-list > li > a.is-current .jp { opacity: 1; }

.header-side {
  position: absolute; right: var(--gutter); top: 40px;
  display: flex; align-items: center; column-gap: 14px;
}
.header-ig {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; color: var(--color-text);
}
.header-ig:hover { color: var(--color-accent-dark); }

.lang-switch { position: relative; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 8px 12px;
  font-family: var(--font-en); font-size: 13px; letter-spacing: .1em;
}
.lang-caret { font-style: normal; font-size: 10px; }
.lang-menu {
  position: absolute; top: 100%; right: 0; min-width: 150px; z-index: 60;
  background: var(--color-white); border: 1px solid var(--color-line);
  padding: 6px 0; display: none; box-shadow: 0 10px 28px rgba(0, 0, 0, .1);
}
.lang-switch.is-open .lang-menu { display: block; }
.lang-menu a { display: flex; align-items: center; padding: 10px 18px; font-size: 13px; min-height: 44px; }
.lang-menu a:hover { background: var(--color-bg-alt); }
.lang-menu a.is-current { color: var(--color-accent-dark); }

.hamburger { display: none; position: absolute; left: var(--gutter); top: 24px; width: 44px; height: 44px; }
.hamburger span { position: absolute; left: 10px; width: 24px; height: 1px; background: var(--color-text); transition: transform .3s, opacity .3s; }
.hamburger span:nth-child(1) { top: 15px; }
.hamburger span:nth-child(2) { top: 22px; }
.hamburger span:nth-child(3) { top: 29px; }
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.drawer {
  position: fixed; inset: 0; z-index: 120; background: var(--color-bg-alt);
  padding: 76px 24px 60px; overflow-y: auto;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .3s, transform .3s, visibility .3s;
}
.drawer.is-open { opacity: 1; visibility: visible; transform: none; }
.drawer-close { position: absolute; top: 18px; right: 18px; width: 44px; height: 44px; font-size: 22px; }
.drawer-nav a { display: flex; align-items: baseline; gap: 14px; padding: 18px 4px; border-bottom: 1px solid var(--color-line); min-height: 44px; }
.drawer-nav .en { font-family: var(--font-en); font-size: 18px; letter-spacing: .1em; color: var(--color-accent-dark); }
.drawer-nav .jp { font-size: 13px; color: var(--color-text-sub); }
.drawer-foot { margin-top: 30px; display: flex; flex-direction: column; gap: 18px; }
.drawer-langs { display: flex; flex-wrap: wrap; gap: 8px; }
.drawer-langs a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 14px; border: 1px solid var(--color-line); font-size: 13px; }
.drawer-langs a.is-current { border-color: var(--color-accent-dark); color: var(--color-accent-dark); }

.btn {
  position: relative; display: block; width: 300px; max-width: 100%;
  background: var(--color-accent-dark); color: var(--color-white);
  font-family: var(--font-en); font-size: 15px; letter-spacing: .1em;
  line-height: 50px; min-height: 50px; padding: 0 56px 0 42px; text-align: left;
  transition: opacity .25s, background-color .25s;
}
.btn::after {
  content: ""; position: absolute; top: 50%; right: 24px; transform: translateY(-50%);
  width: 41px; height: 6px;
  border-bottom: 1px solid currentColor;
}
.btn::before {
  content: ""; position: absolute; top: 50%; right: 24px;
  width: 8px; height: 1px; background: currentColor;
  transform: translateY(-3px) rotate(28deg); transform-origin: right center;
}
.btn:hover { opacity: .75; }
.btn-line {
  background: transparent; color: var(--color-accent-dark);
  border: 1px solid var(--color-accent-dark);
}
.btn-line:hover { background: var(--color-accent-dark); color: var(--color-white); opacity: 1; }
.btn-sm { width: 232px; font-size: 13px; line-height: 44px; min-height: 44px; padding: 0 48px 0 26px; }
.btn-sm::after { right: 18px; width: 26px; }
.btn-sm::before { right: 18px; }
.btn-center { margin-left: auto; margin-right: auto; }
.btn-row { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; margin-top: 52px; }

.ttl { position: relative; z-index: 1; width: fit-content; }
.ttl .catch {
  position: absolute; top: -54px; left: -58px; z-index: -1;
  font-family: var(--font-en); font-size: 92px; line-height: 1; letter-spacing: .04em;
  color: rgba(119, 172, 84, .16); white-space: nowrap; pointer-events: none;
}
.ttl h2 { font-size: 28px; font-weight: 400; line-height: 1.55; letter-spacing: .14em; color: #444; }
.ttl .lead { margin-top: 20px; font-size: 15px; color: var(--color-text-sub); }
.ttl-center { margin-left: auto; margin-right: auto; text-align: center; }
.ttl-center .catch { left: 50%; transform: translateX(-50%); }

.txt-vertical {
  writing-mode: vertical-rl;
  -webkit-writing-mode: vertical-rl;
  -ms-writing-mode: tb-rl;
  line-height: 1.9; letter-spacing: .2em; height: fit-content;
}

.hero { position: relative; }
.hero-slides { position: relative; height: 66vh; min-height: 420px; overflow: hidden; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s ease; }
.hero-slide.is-active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(0,0,0,.16) 0%, rgba(0,0,0,0) 34%, rgba(0,0,0,.44) 100%);
}
.hero-copy { position: absolute; right: 3vw; bottom: 3vw; z-index: 2; color: var(--color-white); text-align: right; }

.hero-copy h1 { font-weight: 400; }
.hero-copy .ht-name {
  display: block; font-family: var(--font-en); font-size: clamp(34px, 4.6vw, 62px);
  letter-spacing: .1em; line-height: 1.35; text-shadow: 0 2px 18px rgba(0,0,0,.45);
}
.hero-copy .ht-sub {
  display: block; margin-top: 8px; font-size: clamp(11px, 1.1vw, 14px);
  letter-spacing: .18em; line-height: 1.8; text-shadow: 0 2px 14px rgba(0,0,0,.55);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.hero-card {
  position: absolute; left: 0; bottom: 42px; z-index: 3;
  background: rgba(255, 254, 253, .95); padding: 20px 26px 22px;
  border: 1px solid var(--color-line); border-left: 0;
}
.hero-card .hc-label { font-family: var(--font-en); font-size: 11px; letter-spacing: .22em; color: var(--color-accent-dark); }
.hero-card .btn { margin-top: 12px; }

.page-head { position: relative; height: 38vh; min-height: 250px; overflow: hidden; }
.page-head img { width: 100%; height: 100%; object-fit: cover; }
.page-head::after { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,.34); }
.page-head-inner { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--color-white); text-align: center; }
.page-head-inner .en { font-family: var(--font-en); font-size: 42px; letter-spacing: .1em; line-height: 1; }
.page-head-inner h1 { margin-top: 14px; font-size: 17px; font-weight: 400; letter-spacing: .2em; }

.zigzag { display: flex; justify-content: space-between; align-items: center; gap: 6%; }
.zigzag + .zigzag { margin-top: 120px; }
.zigzag.reverse { flex-direction: row-reverse; }
.zigzag-img { flex: 0 0 54%; }
.zigzag-img img { width: 100%; }
.zigzag-body { flex: 1; }

.zigzag:not(.reverse) .zigzag-body { padding-top: 40px; }
.zigzag.reverse .zigzag-body { padding-bottom: 40px; }
.zigzag-body h3 { font-size: 22px; font-weight: 400; letter-spacing: .12em; margin-bottom: 20px; line-height: 1.7; }
.zigzag-body .sub { font-family: var(--font-en); font-size: 13px; letter-spacing: .2em; color: var(--color-accent-dark); display: block; margin-bottom: 10px; }
.zigzag-body p { color: var(--color-text-sub); font-size: 15px; }
.zigzag-body .btn { margin-top: 30px; }

.concept-wrap { display: flex; justify-content: center; align-items: flex-start; gap: 56px; }

body[data-lang="ja"] .concept-wrap { flex-direction: row-reverse; }
.concept-wrap .ttl { flex: 0 0 auto; }
.concept-body { max-width: 620px; }
.concept-body p + p { margin-top: 26px; }
.concept-figure { margin-top: 70px; }
.concept-figure img { width: 100%; }

.course { border: 1px solid var(--color-line); background: var(--color-white); padding: 36px 34px; }
.course + .course { margin-top: 30px; }
.course-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 18px; padding-bottom: 18px; border-bottom: 1px solid var(--color-line); }
.course-head .en { font-family: var(--font-en); font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--color-accent-dark); width: 100%; }
.course-head h3 { font-size: 21px; font-weight: 400; letter-spacing: .1em; }
.course-price { margin-left: auto; font-family: var(--font-en); font-size: 20px; color: var(--color-accent-dark); }
.course-note { margin-top: 16px; font-size: 13px; color: var(--color-text-sub); }
.course-list { margin-top: 20px; }
.course-list li { position: relative; padding-left: 18px; font-size: 15px; }
.course-list li + li { margin-top: 8px; }
.course-list li::before { content: ""; position: absolute; left: 0; top: .9em; width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent-light); }

.notes { margin-top: 44px; padding: 26px 28px; background: var(--color-bg-alt); border-left: 3px solid var(--color-accent); }
.notes li { position: relative; padding-left: 17px; font-size: 13.5px; color: var(--color-text-sub); line-height: 1.9; }
.notes li + li { margin-top: 8px; }
.notes li::before { content: "※"; position: absolute; left: 0; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

.instagram-embed {
  border: 1px solid var(--color-line); background: var(--color-white);
  padding: 28px 24px 32px; text-align: center;
}
.instagram-embed [class*="elfsight-app-"] { min-height: 40px; margin-bottom: 24px; }

.instagram-embed [class*="elfsight-app-"][style*="display: none"] + .btn { margin-top: 0; }

.info-grid { display: flex; justify-content: space-between; gap: 6%; align-items: flex-start; }
.info-side { flex: 0 0 300px; }
.info-side .brand { font-family: var(--font-en); font-size: 32px; letter-spacing: .07em; color: var(--color-accent-dark); }
.info-side .brand-sub { font-family: var(--font-en); font-size: 10px; letter-spacing: .22em; color: var(--color-text-sub); margin-top: 8px; }
.info-side .btn { margin-top: 28px; }
.info-table { flex: 1; }
.info-table > div { display: flex; gap: 24px; padding: 15px 2px; border-bottom: 1px solid var(--color-line); font-size: 14.5px; }
.info-table > div:first-child { border-top: 1px solid var(--color-line); }
.info-table dt { flex: 0 0 140px; color: var(--color-accent-dark); }
.info-table dd { flex: 1; }
.info-map { margin-top: 64px; }
.info-map iframe { width: 100%; height: 400px; border: 0; display: block; }
.info-map .btn { margin-top: 18px; }

.spec-list { border-top: 1px solid var(--color-line); }
.spec-list > div { display: flex; gap: 24px; padding: 15px 2px; border-bottom: 1px solid var(--color-line); font-size: 14.5px; }
.spec-list dt { flex: 0 0 150px; color: var(--color-accent-dark); }
.spec-list dd { flex: 1; }

.reserve-lead { text-align: center; }
.reserve-lead p { color: var(--color-text-sub); }
.policy { margin-top: 42px; border: 1px solid var(--color-line); padding: 32px 32px 34px; background: var(--color-white); }
.policy h3 { font-size: 18px; font-weight: 400; letter-spacing: .12em; margin-bottom: 20px; }
.policy h3 .en { display: block; font-family: var(--font-en); font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--color-accent-dark); margin-bottom: 6px; }
.policy-list > div { display: flex; gap: 22px; padding: 13px 2px; border-bottom: 1px dashed var(--color-line); font-size: 14.5px; }
.policy-list > div:last-child { border-bottom: 0; }
.policy-list dt { flex: 0 0 176px; color: var(--color-accent-dark); }
.policy-list dd { flex: 1; color: var(--color-text-sub); }

.site-footer { background: var(--color-dark); color: var(--color-white); padding: 62px 0 36px; }
.footer-inner { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); text-align: center; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 34px; font-size: 14px; }
.footer-nav a { min-height: 44px; display: inline-flex; align-items: center; color: rgba(255,255,255,.86); }
.footer-nav a:hover { color: var(--color-white); }
.footer-brand { margin-top: 34px; font-family: var(--font-en); font-size: 34px; letter-spacing: .07em; color: var(--color-white); }
.footer-sub { font-family: var(--font-en); font-size: 10px; letter-spacing: .24em; color: rgba(255,255,255,.6); margin-top: 8px; }
.footer-addr { margin-top: 24px; font-size: 13px; color: rgba(255,255,255,.78); line-height: 2.1; }
.footer-actions { margin-top: 26px; display: flex; justify-content: center; }
.footer-actions .btn { background: var(--color-accent); }
.footer-langs { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; margin-top: 26px; font-size: 13px; }
.footer-langs a { min-height: 44px; display: inline-flex; align-items: center; color: rgba(255,255,255,.7); }
.footer-langs a.is-current, .footer-langs a:hover { color: var(--color-accent-light); }
.footer-sns { margin-top: 18px; display: flex; justify-content: center; }
.footer-sns a { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.35); color: var(--color-white); }
.footer-sns a:hover { border-color: var(--color-accent-light); color: var(--color-accent-light); }
.footer-copy { margin-top: 30px; font-size: 12px; color: rgba(255,255,255,.55); }

.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; display: none; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: rgba(248,242,235,.97); border-top: 1px solid var(--color-line); }
.sticky-cta .btn { width: 100%; }

.fade-in { opacity: 0; transform: translateY(18px); transition: opacity .9s ease, transform .9s ease; }
.fade-in.is-shown { opacity: 1; transform: none; }

@media screen and (max-width: 1023px) {
  :root { --section-y: 78px; --gutter: 24px; }
  .nav-list { display: none; }
  .hamburger { display: block; }
  .logo { padding: 26px 0 22px; }
  .logo .logo-name { font-size: 30px; }
  .header-side { top: 22px; }
  .zigzag, .zigzag.reverse { flex-direction: column; gap: 28px; }
  .zigzag + .zigzag { margin-top: 64px; }
  .zigzag-img { flex: none; width: 100%; }
  .zigzag:not(.reverse) .zigzag-body, .zigzag.reverse .zigzag-body { padding: 0; }
  .concept-wrap, body[data-lang="ja"] .concept-wrap { flex-direction: column; align-items: center; gap: 34px; }
  .info-grid { flex-direction: column; gap: 34px; }
  .info-side { flex: none; width: 100%; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .ttl .catch { font-size: 66px; top: -38px; left: -20px; }
}

@media screen and (max-width: 767px) {
  :root { --section-y: 62px; --gutter: 20px; }
  body { font-size: 15px; line-height: 1.95; }
  .hero-slides { height: 125vw; min-height: 400px; }
  .hero-copy { right: 5vw; bottom: 132px; }
  .hero-card { bottom: 56px; padding: 14px 18px 16px; }
  .hero-card .btn { width: 208px; font-size: 12px; line-height: 42px; min-height: 42px; padding: 0 40px 0 20px; }
  .hero-card .btn::after { right: 14px; width: 22px; }
  .hero-card .btn::before { right: 14px; }
  .page-head { height: 32vh; min-height: 200px; }
  .page-head-inner .en { font-size: 30px; }
  .page-head-inner h1 { font-size: 14px; }
  .ttl h2 { font-size: 22px; }
  .ttl .catch { font-size: 50px; top: -28px; left: -8px; }
  .concept-wrap { gap: 26px; }
  .course { padding: 26px 20px; }
  .course-head h3 { font-size: 19px; }
  .info-table > div, .spec-list > div, .policy-list > div { flex-direction: column; gap: 4px; }
  .info-table dt, .spec-list dt, .policy-list dt { flex: none; font-size: 13px; }
  .info-map iframe { height: 320px; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .btn { width: 100%; }
  .btn-sm { width: 100%; }
  .sticky-cta { display: block; }
  .site-footer { padding-bottom: 96px; }
  .footer-brand { font-size: 28px; }
  .lang-toggle .lang-current { display: none; }
}

@media screen and (max-width: 380px) {
  .gallery { grid-template-columns: 1fr; }
  .logo .logo-name { font-size: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .fade-in { opacity: 1; transform: none; }
  .hero-slide { transition: none; }
}

.lang-globe {
  flex: none;
  width: 1.25em;
  height: 1.25em;
  margin-right: .4em;
  vertical-align: -.2em;
}

@media screen and (max-width: 767px) {
  .hero-copy { bottom: 180px; }
}