@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;500;700;900&family=Noto+Sans+JP:wght@400;500;700&display=swap');

:root{
  --green-900:#24392e;
  --green-800:#2f4a3c;
  --green-700:#3f6b52;
  --green-600:#4c7d61;
  --green-500:#5a8f6d;
  --green-300:#9fc3ac;
  --green-200:#d9ebdc;
  --green-100:#eef6ef;
  --cream:#faf7f0;
  --coral:#e2634f;
  --coral-dark:#c94f3d;
  --ink:#2b2a26;
  --white:#ffffff;
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 18px 40px -20px rgba(36,57,46,.35);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Noto Sans JP',sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.brand{
  font-family:'Zen Maru Gothic',sans-serif;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.container{max-width:1120px;margin:0 auto;padding:0 24px;}
.wrap{max-width:860px;margin:0 auto;padding:0 24px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,247,240,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--green-200);
}
.header-inner{
  max-width:1120px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--green-900);}
.brand img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid var(--green-300);}
.brand small{display:block;font-family:'Noto Sans JP',sans-serif;font-weight:400;font-size:11px;color:var(--green-600);letter-spacing:.08em;}
.nav{display:flex;gap:28px;font-size:14px;font-weight:500;}
.nav a{position:relative;padding:4px 0;color:var(--green-800);}
.nav a.active,.nav a:hover{color:var(--coral-dark);}
.header-cta{
  background:var(--coral);color:#fff;padding:10px 20px;border-radius:999px;
  font-size:14px;font-weight:700;white-space:nowrap;box-shadow:0 10px 18px -8px rgba(226,99,79,.6);
}
.header-cta:hover{background:var(--coral-dark);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1.5px solid var(--green-200);
  background:#fff;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;
}
.mobile-nav{display:none;flex-direction:column;background:#fff;border-top:1px solid var(--green-200);}
.mobile-nav a{padding:16px 24px;font-size:15px;font-weight:500;color:var(--green-800);border-bottom:1px solid var(--green-100);}
.mobile-nav a.active{color:var(--coral-dark);}
.mobile-nav.open{display:flex;}

@media(max-width:860px){
  .nav{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
}
@media(min-width:861px){
  .mobile-nav{display:none !important;}
}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:560px;display:flex;align-items:center;color:#fff;
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(36,57,46,.82) 10%,rgba(36,57,46,.55) 55%,rgba(36,57,46,.25) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:1120px;margin:0 auto;padding:90px 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.4);
  padding:6px 16px;border-radius:999px;font-size:13px;letter-spacing:.05em;margin-bottom:22px;
}
.hero h1{font-size:44px;line-height:1.5;margin:0 0 18px;font-weight:900;}
.hero p{font-size:16px;max-width:560px;color:#eef6ef;margin:0 0 32px;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:700;font-size:15px;
  transition:transform .15s ease,box-shadow .15s ease;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 14px 24px -10px rgba(226,99,79,.65);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 28px -10px rgba(226,99,79,.75);}
.btn-outline{background:rgba(255,255,255,.08);border:1.5px solid #fff;color:#fff;}
.btn-outline:hover{background:#fff;color:var(--green-900);}
.btn-ghost{background:var(--green-100);color:var(--green-800);border:1.5px solid var(--green-200);}
.btn-ghost:hover{background:var(--green-200);}

@media(max-width:640px){
  .hero h1{font-size:30px;}
  .hero-inner{padding:70px 20px;}
}

/* ===== Section basics ===== */
section{padding:84px 0;}
.section-tight{padding:56px 0;}
.kicker{
  color:var(--coral-dark);font-weight:700;font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;margin-bottom:10px;display:block;
}
.section-head{max-width:620px;margin:0 auto 48px;text-align:center;}
.section-head h2{font-size:30px;color:var(--green-900);margin:0 0 14px;}
.section-head p{color:#5a5950;font-size:15px;margin:0;}
.bg-green{background:var(--green-100);}
.bg-dark{background:var(--green-900);color:#eef6ef;}
.bg-dark .kicker{color:var(--green-300);}
.bg-dark h2{color:#fff;}

/* ===== Cards / grid ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media(max-width:860px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}.grid-2{grid-template-columns:1fr;}}
@media(max-width:560px){.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{
  background:#fff;border-radius:var(--radius-md);padding:30px 26px;box-shadow:var(--shadow);
  border:1px solid var(--green-200);
}
.card .icon{
  width:52px;height:52px;border-radius:16px;background:var(--green-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--green-700);
}
.card h3{margin:0 0 10px;font-size:18px;color:var(--green-900);}
.card p{margin:0;font-size:14px;color:#5f5e55;}

.gallery-feature{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);margin-bottom:26px;position:relative;
}
.gallery-feature img{width:100%;height:340px;object-fit:cover;}
.gallery-feature figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px 28px;
  background:linear-gradient(0deg,rgba(36,57,46,.82),transparent);color:#fff;
}
.gallery-feature figcaption b{font-size:18px;display:block;margin-bottom:4px;}
.gallery-feature figcaption span{font-size:13px;color:var(--green-200);}

.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.art-grid figure{margin:0;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow);background:#fff;}
.art-grid img{height:220px;width:100%;object-fit:cover;}
.art-grid figcaption{padding:12px 16px;font-size:13px;color:var(--green-800);font-weight:500;}
@media(max-width:860px){.art-grid{grid-template-columns:repeat(2,1fr);}}

.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.scene-grid img{height:170px;width:100%;object-fit:cover;border-radius:var(--radius-sm);box-shadow:var(--shadow);}
@media(max-width:860px){.scene-grid{grid-template-columns:repeat(2,1fr);}}

/* ===== Course cards ===== */
.course-card{
  background:#fff;border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow);border:1px solid var(--green-200);
  display:flex;flex-direction:column;gap:14px;
}
.course-card .badge{
  align-self:flex-start;background:var(--green-100);color:var(--green-700);
  font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px;
}
.course-card h3{margin:0;font-size:22px;color:var(--green-900);}
.course-card ul{margin:0;padding-left:20px;font-size:14px;color:#5a5950;}
.course-card li{margin-bottom:6px;}
.course-card .price{font-size:14px;color:var(--coral-dark);font-weight:700;margin-top:auto;}

/* ===== Teacher ===== */
.teacher{display:grid;grid-template-columns:260px 1fr;gap:48px;align-items:center;}
.teacher img.portrait{width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow);border:6px solid #fff;}
.teacher h2{font-size:28px;color:var(--green-900);margin:0 0 6px;}
.teacher .role{color:var(--coral-dark);font-weight:700;font-size:14px;margin-bottom:18px;}
.teacher p{color:#4c4b43;font-size:15px;}
.teacher .tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.teacher .tags span{background:var(--green-100);color:var(--green-700);font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;}
@media(max-width:780px){.teacher{grid-template-columns:1fr;text-align:center;}.teacher img.portrait{max-width:220px;margin:0 auto;}.teacher .tags{justify-content:center;}}

/* ===== Timeline ===== */
.timeline{border-left:3px solid var(--green-200);margin-left:10px;padding-left:28px;display:flex;flex-direction:column;gap:30px;}
.timeline .item{position:relative;}
.timeline .item::before{content:"";position:absolute;left:-35px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--coral);border:3px solid #fff;box-shadow:0 0 0 2px var(--green-300);}
.timeline .item b{color:var(--green-900);font-size:15px;display:block;margin-bottom:4px;}
.timeline .item span{color:#6a6960;font-size:13px;}

/* ===== Instagram strip ===== */
.insta-strip{background:var(--green-900);border-radius:var(--radius-lg);padding:46px;color:#fff;}
.insta-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px;margin-bottom:26px;}
.insta-head h3{margin:0;font-size:22px;}
.insta-head p{margin:4px 0 0;color:var(--green-300);font-size:14px;}
.insta-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;}
.insta-grid a{display:block;border-radius:14px;overflow:hidden;position:relative;}
.insta-grid img{height:120px;width:100%;object-fit:cover;transition:transform .25s ease;}
.insta-grid a:hover img{transform:scale(1.08);}
@media(max-width:860px){.insta-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:560px){.insta-grid{grid-template-columns:repeat(2,1fr);}.insta-strip{padding:28px 20px;}}

/* ===== Sister site banner ===== */
.sister-banner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  background:#fff;border:1.5px dashed var(--green-300);border-radius:var(--radius-md);padding:22px 28px;
}
.sister-banner .label{font-size:12px;color:var(--coral-dark);font-weight:700;letter-spacing:.06em;margin-bottom:6px;display:block;}
.sister-banner b{font-size:16px;color:var(--green-900);}

/* ===== CTA band ===== */
.cta-band{
  background:linear-gradient(120deg,var(--green-700),var(--green-900));
  border-radius:var(--radius-lg);padding:56px;color:#fff;text-align:center;
}
.cta-band h2{font-size:28px;margin:0 0 14px;}
.cta-band p{color:var(--green-200);margin:0 0 28px;font-size:15px;}
.cta-band .hero-btns{justify-content:center;}

/* ===== Footer ===== */
.site-footer{background:var(--green-900);color:var(--green-200);padding:60px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.footer-grid h4{color:#fff;font-size:15px;margin:0 0 16px;}
.footer-grid p,.footer-grid a{font-size:13px;color:var(--green-300);line-height:2;}
.footer-grid a:hover{color:#fff;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand img{width:36px;height:36px;border-radius:50%;object-fit:cover;}
.footer-brand b{color:#fff;font-size:18px;font-family:'Zen Maru Gothic',sans-serif;}
.social-row{display:flex;gap:10px;margin-top:14px;}
.social-row a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;}
.social-row a:hover{background:var(--coral);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:12px;color:var(--green-300);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}
@media(max-width:780px){.footer-grid{grid-template-columns:1fr;}}

/* ===== Page header (sub pages) ===== */
.page-header{
  background:var(--green-100);padding:60px 0 50px;text-align:center;border-bottom:1px solid var(--green-200);
}
.page-header .crumb{font-size:12px;color:var(--green-600);margin-bottom:10px;}
.page-header h1{font-size:34px;color:var(--green-900);margin:0 0 10px;}
.page-header p{color:#5f5e55;font-size:14px;max-width:520px;margin:0 auto;}

/* ===== Forms ===== */
.form-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:40px;border:1px solid var(--green-200);}
.form-row{margin-bottom:20px;}
.form-row label{display:block;font-size:13px;font-weight:700;color:var(--green-900);margin-bottom:8px;}
.form-row .req{color:var(--coral-dark);font-size:11px;margin-left:4px;}
.form-row input[type=text],.form-row input[type=email],.form-row input[type=tel],.form-row select,.form-row textarea{
  width:100%;padding:13px 16px;border:1.5px solid var(--green-200);border-radius:var(--radius-sm);
  font-family:inherit;font-size:14px;background:var(--cream);
}
.form-row textarea{min-height:140px;resize:vertical;}
.radio-group{display:flex;gap:14px;flex-wrap:wrap;}
.radio-group label{display:flex;align-items:center;gap:8px;font-weight:500;font-size:13px;background:var(--green-100);padding:10px 16px;border-radius:999px;border:1.5px solid var(--green-200);}
.form-note{font-size:12px;color:#8a8a80;margin-top:6px;}
.submit-btn{width:100%;border:none;cursor:pointer;}

/* ===== Info list (access) ===== */
.info-list{display:flex;flex-direction:column;gap:0;}
.info-list .row{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--green-200);}
.info-list .row b{width:120px;flex-shrink:0;color:var(--green-900);font-size:14px;}
.info-list .row span{font-size:14px;color:#4c4b43;}
.map-box{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--green-200);}
.map-box iframe{width:100%;height:380px;border:0;display:block;}
.map-note{font-size:12px;color:#8a8a80;background:var(--green-100);padding:10px 16px;border-radius:0 0 var(--radius-lg) var(--radius-lg);}

/* ===== Demo badge ===== */
.demo-badge{
  position:fixed;left:16px;bottom:16px;z-index:100;
  background:var(--green-900);color:#fff;font-size:12px;padding:10px 16px;border-radius:999px;
  box-shadow:var(--shadow);display:flex;align-items:center;gap:8px;
}
.demo-badge span{width:8px;height:8px;border-radius:50%;background:#7ee3a3;}