:root{
  --green:#0e7a4e;
  --green-dark:#0a5c3b;
  --navy:#17325c;
  --yellow:#f5b300;
  --yellow-dark:#d99e00;
  --bg:#ffffff;
  --bg-soft:#f4f8f6;
  --text:#243036;
  --text-sub:#5c6b73;
  --radius:14px;
  --shadow:0 4px 18px rgba(23,50,92,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic Medium",YuGothic,Meiryo,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ===== header ===== */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.95);backdrop-filter:blur(8px);
  border-bottom:1px solid #e5ecea;
}
.header-inner{
  max-width:1080px;margin:0 auto;padding:10px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:8px;
}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;line-height:1.3;flex-shrink:0}
.logo img{width:auto;height:42px}
.logo .logo-main{font-size:1.05rem;color:var(--navy);letter-spacing:.02em}
.logo .logo-sub{display:block;font-size:.62rem;color:var(--green);font-weight:600;letter-spacing:.08em;white-space:nowrap}
.gnav{display:none}
.gnav a{font-size:.85rem;font-weight:600;color:var(--navy);padding:6px 10px;border-radius:8px}
.gnav a:hover{background:var(--bg-soft);color:var(--green)}

/* 狭い画面：ロゴのサブ表記を隠して、はみ出しを防ぐ */
@media(max-width:400px){
  .logo .logo-sub{display:none}
  .logo img{height:36px}
  .header-cta{font-size:.74rem;padding:9px 12px}
}

/* モバイル用メニューバー（横スクロール） */
.mnav{
  display:flex;gap:7px;overflow-x:auto;padding:8px 16px;
  background:#fff;border-bottom:1px solid #e5ecea;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.mnav::-webkit-scrollbar{display:none}
.mnav a{
  flex:0 0 auto;font-size:.75rem;font-weight:700;color:var(--navy);
  background:var(--bg-soft);padding:6px 12px;border-radius:999px;white-space:nowrap;
}
.mnav a.on{background:var(--navy);color:#fff}
@media(min-width:1040px){.mnav{display:none}}
.header-cta{
  background:var(--yellow);color:var(--navy);font-weight:700;font-size:.8rem;
  padding:10px 14px;border-radius:999px;white-space:nowrap;
  box-shadow:0 2px 8px rgba(245,179,0,.4);
}
.header-cta:active{transform:scale(.97)}
@media(min-width:1040px){
  .gnav{display:flex;gap:0}
  .gnav a{padding:6px 6px;font-size:.78rem;white-space:nowrap}
  .header-cta{font-size:.84rem;padding:11px 14px;white-space:nowrap}
}
@media(min-width:1140px){
  .gnav{gap:2px}
}

/* ===== hero ===== */
.hero{position:relative;height:78vh;min-height:480px;max-height:720px;overflow:hidden;background:var(--navy)}
.hero-slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.8s ease;
}
.hero-slide.active{opacity:1}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,25,50,.25) 0%,rgba(10,25,50,.55) 100%);
}
.hero-content{
  position:absolute;inset:0;z-index:2;
  display:flex;flex-direction:column;justify-content:center;
  max-width:1080px;margin:0 auto;padding:0 20px;color:#fff;
}
.hero-badge{
  display:inline-block;width:fit-content;
  background:var(--yellow);color:var(--navy);font-weight:700;font-size:.78rem;
  padding:5px 14px;border-radius:999px;margin-bottom:14px;letter-spacing:.05em;
}
.hero h1{
  font-size:clamp(1.7rem,6.4vw,3rem);font-weight:800;line-height:1.35;
  text-shadow:0 2px 12px rgba(0,0,0,.35);letter-spacing:.02em;
}
.hero p{
  margin-top:12px;font-size:clamp(.85rem,3.4vw,1.05rem);font-weight:500;
  text-shadow:0 1px 8px rgba(0,0,0,.4);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  font-weight:700;border-radius:999px;padding:14px 26px;font-size:.95rem;
  transition:transform .15s ease,box-shadow .15s ease;cursor:pointer;border:none;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--yellow);color:var(--navy);box-shadow:0 4px 14px rgba(245,179,0,.45)}
.btn-primary:hover{background:var(--yellow-dark)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.7);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.25)}
.hero-dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:8px}
.hero-dots button{
  width:10px;height:10px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(255,255,255,.45);padding:0;
}
.hero-dots button.on{background:#fff}

/* ===== common section ===== */
section{padding:64px 0}
.inner{max-width:1080px;margin:0 auto;padding:0 20px}
.sec-label{
  color:var(--green);font-weight:700;font-size:.8rem;letter-spacing:.18em;
  text-transform:uppercase;text-align:center;
}
.sec-title{
  text-align:center;font-size:clamp(1.4rem,5vw,2rem);font-weight:800;color:var(--navy);
  margin:6px 0 14px;line-height:1.4;
}
.sec-lead{text-align:center;color:var(--text-sub);font-size:.92rem;max-width:640px;margin:0 auto 40px}

/* fade-in */
.fade{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.fade.show{opacity:1;transform:none}

/* ===== reasons ===== */
.reasons{background:var(--bg-soft)}
.reasons-grid{display:grid;gap:18px;grid-template-columns:1fr}
.reason-card{
  background:#fff;border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);
  display:flex;gap:16px;align-items:flex-start;
}
.reason-num{
  flex-shrink:0;width:46px;height:46px;border-radius:50%;
  background:var(--green);color:#fff;font-weight:800;font-size:1.15rem;
  display:flex;align-items:center;justify-content:center;
}
.reason-card h3{font-size:1.02rem;color:var(--navy);margin-bottom:6px;line-height:1.5}
.reason-card p{font-size:.88rem;color:var(--text-sub)}
.reasons-photo{margin-top:28px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.reasons-photo img{width:100%;height:260px;object-fit:cover}
.reasons-photo figcaption{background:#fff;font-size:.78rem;color:var(--text-sub);padding:10px 16px}
@media(min-width:760px){
  .reasons-grid{grid-template-columns:1fr 1fr}
  .reasons-photo img{height:360px}
}

/* ===== service / price ===== */
.class-grid{display:grid;gap:18px;grid-template-columns:1fr;margin-bottom:36px}
.class-card{
  background:#fff;border:1.5px solid #e2ebe7;border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
}
.class-card-head{background:var(--green);color:#fff;padding:12px 18px;font-weight:700;font-size:1rem;display:flex;justify-content:space-between;align-items:center}
.class-card-head small{font-weight:600;font-size:.75rem;opacity:.9}
.class-card-body{padding:18px}
.class-card-body dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:.88rem}
.class-card-body dt{color:var(--green);font-weight:700;white-space:nowrap}
.class-card-body .price{
  margin-top:14px;padding-top:12px;border-top:1px dashed #d8e4df;
  font-size:.9rem;color:var(--text-sub);
}
.class-card-body .price strong{font-size:1.5rem;color:var(--navy);font-weight:800}
@media(min-width:760px){.class-grid{grid-template-columns:repeat(3,1fr)}}
.service-photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:28px}
.service-photo img{width:100%;height:240px;object-fit:cover}
@media(min-width:760px){.service-photo img{height:340px}}
.price-note{
  background:var(--bg-soft);border-radius:var(--radius);padding:20px 22px;font-size:.85rem;color:var(--text-sub);
}
.price-note li{padding-left:1.2em;text-indent:-1.2em;margin:4px 0}
.price-note li::before{content:"✓ ";color:var(--green);font-weight:700}

/* ===== gallery ===== */
.gallery{background:var(--bg-soft)}
.gallery-grid{display:grid;gap:14px;grid-template-columns:1fr}
.gallery-item{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff}
.gallery-item img{width:100%;height:220px;object-fit:cover}
.gallery-item figcaption{padding:12px 16px;font-size:.82rem;color:var(--text-sub)}
@media(min-width:760px){.gallery-grid{grid-template-columns:repeat(3,1fr)}.gallery-item img{height:200px}}

/* ===== voices ===== */
.voices-photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:28px}
.voices-photo img{width:100%;height:240px;object-fit:cover;filter:grayscale(20%)}
@media(min-width:760px){.voices-photo img{height:320px}}
.voice-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:760px){.voice-grid{grid-template-columns:repeat(3,1fr)}}
.voice-card{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);border:1.5px solid #eef3f1}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.voice-avatar{
  width:46px;height:46px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:1.05rem;
}
.voice-name{font-size:.85rem;font-weight:700;color:var(--navy)}
.voice-name small{display:block;font-weight:500;color:var(--text-sub);font-size:.74rem}
.voice-stars{color:var(--yellow);font-size:.8rem;letter-spacing:2px}
.voice-card p{font-size:.86rem;color:var(--text)}

/* ===== faq ===== */
.faq-photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:28px}
.faq-photo img{width:100%;height:160px;object-fit:cover}
.faq-list{max-width:760px;margin:0 auto}
details{
  background:#fff;border:1.5px solid #e2ebe7;border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;
}
summary{
  cursor:pointer;padding:16px 46px 16px 18px;font-weight:700;font-size:.92rem;color:var(--navy);
  list-style:none;position:relative;line-height:1.6;
}
summary::-webkit-details-marker{display:none}
summary::before{content:"Q";color:var(--green);font-weight:800;margin-right:10px}
summary::after{
  content:"＋";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  color:var(--green);font-weight:700;
}
details[open] summary::after{content:"−"}
.faq-a{padding:0 18px 16px;font-size:.87rem;color:var(--text-sub)}
.faq-a::before{content:"A．";color:var(--yellow-dark);font-weight:800}

/* ===== access ===== */
.access{background:var(--bg-soft)}
.access-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:860px){.access-grid{grid-template-columns:1fr 1fr}}
.access-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.access-card img{width:100%;height:200px;object-fit:cover}
.access-body{padding:20px 22px}
.access-body h3{color:var(--navy);font-size:1.05rem;margin-bottom:10px}
.access-body table{width:100%;border-collapse:collapse;font-size:.86rem}
.access-body th,.access-body td{padding:9px 6px;border-bottom:1px solid #edf2f0;text-align:left;vertical-align:top}
.access-body th{color:var(--green);white-space:nowrap;font-weight:700;width:5.5em}
.map-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:320px}
.map-frame iframe{width:100%;height:100%;min-height:320px;border:0;display:block}

/* ===== contact ===== */
.contact{
  background:linear-gradient(rgba(14,42,80,.88),rgba(14,42,80,.92)),url("images/hero1.jpg") center/cover no-repeat;
  color:#fff;
}
.contact .sec-label{color:var(--yellow)}
.contact .sec-title{color:#fff}
.contact .sec-lead{color:#cfd9e6}
.contact-form{
  max-width:560px;margin:0 auto;background:#fff;border-radius:var(--radius);
  padding:28px 22px;color:var(--text);box-shadow:0 10px 40px rgba(0,0,0,.3);
}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:.85rem;font-weight:700;color:var(--navy);margin-bottom:6px}
.form-row label .req{
  background:#e0524d;color:#fff;font-size:.64rem;font-weight:700;
  border-radius:4px;padding:2px 6px;margin-left:6px;vertical-align:1px;
}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:13px 14px;border:1.5px solid #d6e0dc;border-radius:10px;
  font-size:16px;font-family:inherit;background:#fbfdfc;color:var(--text);
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:2px solid var(--green);border-color:var(--green);
}
.form-submit{width:100%;font-size:1rem;padding:16px}
.form-msg{
  display:none;margin-top:14px;background:#e8f5ee;color:var(--green-dark);
  border-radius:10px;padding:14px;font-size:.88rem;font-weight:600;text-align:center;
}
.form-note{margin-top:12px;font-size:.8rem;color:#cfd9e6;text-align:center;line-height:1.6}
.contact-tel{text-align:center;margin-top:26px;font-size:.9rem;color:#cfd9e6}
.contact-tel a{font-size:1.6rem;font-weight:800;color:var(--yellow);letter-spacing:.04em}
.contact-tel small{display:block;font-size:.76rem;margin-top:2px}

/* ===== footer ===== */
footer{background:#0d1f3c;color:#9fb0c8;font-size:.8rem;padding:34px 0 110px;text-align:center}
footer .f-logo{color:#fff;font-weight:700;font-size:1rem;margin-bottom:8px}
footer .demo-note{margin-top:14px;font-size:.7rem;opacity:.65}
@media(min-width:900px){footer{padding-bottom:40px}}

/* ===== mobile fixed cta ===== */
.fixed-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:flex;gap:1px;background:#fff;
  box-shadow:0 -4px 18px rgba(0,0,0,.14);
}
.fixed-cta a{
  flex:1;text-align:center;padding:15px 6px;font-weight:700;font-size:.88rem;
}
.fixed-cta .f-tel{background:var(--navy);color:#fff}
.fixed-cta .f-trial{background:var(--yellow);color:var(--navy)}
@media(min-width:900px){.fixed-cta{display:none}}

/* ===== page head (下層ページ共通) ===== */
.page-head{background:var(--navy);padding:52px 0 46px;text-align:center}
.page-head .sec-label{color:var(--yellow)}
.page-title{color:#fff;font-size:1.7rem;letter-spacing:.04em;margin-bottom:14px}
.page-lead{color:#cfd9e6;font-size:.9rem;line-height:1.9;max-width:640px;margin:0 auto;padding:0 20px}
@media(min-width:760px){.page-title{font-size:2rem}}

/* ===== coach page ===== */
.coach-sec{padding:56px 0 64px;background:var(--bg-soft)}
.coach-main{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  overflow:hidden;display:grid;grid-template-columns:1fr;margin-bottom:22px;
}
.coach-photo{background:var(--navy)}
.coach-photo img{display:block;width:100%;height:100%;max-height:420px;object-fit:cover}
.coach-intro{padding:26px 22px 30px}
.coach-role{
  display:inline-block;background:var(--yellow);color:var(--navy);
  font-size:.72rem;font-weight:800;letter-spacing:.1em;padding:5px 12px;border-radius:999px;
}
.coach-name{
  font-size:1.6rem;color:var(--navy);margin:12px 0 14px;line-height:1.3;letter-spacing:.04em;
}
.coach-name span{display:block;font-size:.72rem;color:var(--text-sub);font-weight:600;letter-spacing:.16em;margin-top:5px}
.coach-tags{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px}
.coach-tags li{
  background:var(--bg-soft);color:var(--green-dark);font-size:.75rem;font-weight:700;
  padding:5px 11px;border-radius:8px;
}
.coach-msg{font-size:.9rem;color:var(--text-sub);line-height:1.95}

.coach-block{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  padding:24px 22px;margin-bottom:18px;
}
.coach-h3{
  font-size:1.05rem;color:var(--navy);margin-bottom:16px;padding-left:12px;
  border-left:4px solid var(--yellow);line-height:1.4;
}
.career-grid{display:grid;grid-template-columns:1fr;gap:22px}
.career-label{
  font-size:.76rem;font-weight:800;color:var(--green);letter-spacing:.08em;margin-bottom:9px;
}
.career-list{list-style:none;counter-reset:c}
.career-list li{
  position:relative;padding:0 0 14px 22px;font-size:.88rem;color:var(--text);line-height:1.6;
  border-left:2px solid #e5ecea;margin-left:5px;
}
.career-list li:last-child{border-left-color:transparent;padding-bottom:0}
.career-list li::before{
  content:"";position:absolute;left:-6px;top:6px;width:10px;height:10px;
  border-radius:50%;background:var(--green);
}
.career-list li:last-child::before{background:var(--yellow);width:12px;height:12px;left:-7px}
.career-list li strong{color:var(--navy);font-weight:800}

.badge-list{list-style:none;display:flex;flex-wrap:wrap;gap:9px}
.badge-list li{
  background:var(--bg-soft);border:1px solid #dbe7e1;border-radius:10px;
  padding:10px 14px;font-size:.85rem;font-weight:700;color:var(--navy);
}
.coach-note{margin-top:15px;font-size:.84rem;color:var(--text-sub);line-height:1.9}

.coach-cta{text-align:center;margin-top:30px}
.coach-cta p{font-size:.92rem;color:var(--text-sub);margin-bottom:16px}

@media(min-width:820px){
  .coach-main{grid-template-columns:340px 1fr;align-items:stretch}
  .coach-photo img{max-height:none;height:100%}
  .coach-intro{padding:34px 32px}
  .career-grid{grid-template-columns:1fr 1fr;gap:34px}
  .coach-block{padding:30px 32px}
}
.card-link{
  display:inline-block;margin-top:9px;font-size:.83rem;font-weight:700;color:var(--green);
  border-bottom:1.5px solid var(--green);line-height:1.4;
}
.card-link:hover{color:var(--green-dark);border-bottom-color:var(--green-dark)}
footer .inner p a{border-bottom:1px solid rgba(255,255,255,.4)}

/* 保護者の方へ */
.parent-msg p{font-size:.89rem;color:var(--text-sub);line-height:1.95;margin-bottom:12px}
.parent-msg p:last-child{margin-bottom:0}
.parent-msg strong{color:var(--navy);font-weight:800}
.worry-list{margin:0 0 18px;display:grid;gap:9px}
.worry-list li{
  position:relative;background:var(--bg-soft);border-radius:10px;
  padding:12px 14px 12px 38px;font-size:.86rem;color:var(--navy);font-weight:700;line-height:1.65;
}
.worry-list li::before{
  content:"”";position:absolute;left:13px;top:9px;
  font-size:1.5rem;color:var(--green);font-weight:800;line-height:1;
}