/* ONE STEP 新デザイン 共通の見た目（2026-11 試作） */
:root{
  --black:#111;
  --navy:#0b1f66;
  --ink:#1d1d1f;
  --muted:#6b6b70;
  --orange:#f26b0f;
  --orange-soft:#fff3ea;
  --line:#e6e6e6;
  --bg:#fff;
  --bg-soft:#f6f5f3;
  --max:1180px;
  --en:"Barlow Condensed","Arial Narrow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.9;letter-spacing:.03em;-webkit-text-size-adjust:100%}
html,body{overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.en{font-family:var(--en);letter-spacing:.12em;text-transform:uppercase}

/* ---------- ヘッダー（黒い帯） ---------- */
.hd{position:fixed;inset:0 0 auto 0;z-index:100;background:var(--navy);color:#fff;height:72px}
.hd-in{height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 24px;max-width:1400px;margin:0 auto}
.logo{font-family:var(--en);font-size:1.7rem;font-weight:700;letter-spacing:.14em;text-decoration:none;white-space:nowrap}
.logo span{color:var(--orange)}
.nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:28px}
.nav a{text-decoration:none;display:flex;flex-direction:column;align-items:center;line-height:1.3}
.nav a .en{font-size:1.02rem;font-weight:700}
.nav a small{font-size:.66rem;color:#bdbdbd;letter-spacing:.05em}
.nav a:hover .en{color:var(--orange)}
.nav .nav-cta a{border:1.5px solid #fff;border-radius:999px;padding:9px 22px;flex-direction:row;gap:8px;font-weight:700;font-size:.9rem}
.nav .nav-cta a:hover{background:var(--orange);border-color:var(--orange)}
.menu-btn{display:none;background:none;border:1.5px solid #fff;color:#fff;border-radius:999px;padding:6px 16px;font-family:var(--en);font-weight:700;letter-spacing:.14em;font-size:.95rem;cursor:pointer}

/* ---------- はじめの言葉（白い画面） ---------- */
.intro{position:fixed;inset:0;z-index:200;background:#fff;display:flex;align-items:center;justify-content:center;transition:opacity .9s ease,visibility .9s}
.intro.done{opacity:0;visibility:hidden}
.intro p{margin:0;font-size:clamp(1.4rem,4.2vw,2.6rem);font-weight:700;letter-spacing:.25em;color:#555;text-align:center;padding:0 16px;white-space:nowrap}
@media (max-width:700px){.intro p{font-size:5vw;letter-spacing:.08em;padding:0 12px}}
.intro p span{display:inline-block;opacity:0;transform:translateY(14px);animation:up .6s forwards}
.intro p .o{color:var(--orange)}
.intro .bar{display:block;width:0;height:4px;background:var(--orange);margin:22px auto 0;border-radius:4px;animation:bar 1s .9s forwards ease-out}
@keyframes up{to{opacity:1;transform:none}}
@keyframes bar{to{width:120px}}

/* ---------- 大きな写真（横に流れる） ---------- */
.hero{position:relative;margin-top:72px;height:calc(100vh - 72px);min-height:480px;max-height:660px;display:grid;grid-template-columns:200px 1fr;background:#fff}
.hero-side{position:relative;display:flex;flex-direction:column;justify-content:flex-end;padding:0 0 40px 28px}
.hero-side .scroll{font-family:var(--en);letter-spacing:.2em;font-size:.85rem;color:#333}
.hero-side .scroll i{display:block;width:120px;height:1px;background:#ccc;margin-top:8px;position:relative;overflow:hidden}
.hero-side .scroll i::after{content:"";position:absolute;inset:0;width:40%;background:#333;animation:scr 2.2s infinite ease-in-out}
@keyframes scr{0%{transform:translateX(-100%)}100%{transform:translateX(260%)}}
.dots{display:flex;gap:8px;margin-top:22px}
.dots button{width:8px;height:8px;border-radius:50%;border:0;padding:0;background:#ccc;cursor:pointer}
.dots button.on{background:var(--orange)}
.strip{position:relative;overflow:hidden;height:100%}
.track{display:flex;height:100%;width:max-content;animation:flow 70s linear infinite}
.strip:hover .track{animation-play-state:paused}
.track img{height:100%;width:auto;max-width:none;flex:none;margin-right:8px;object-fit:cover}
@keyframes flow{to{transform:translateX(-50%)}}
.cap{position:absolute;left:40px;bottom:48px;max-width:min(680px,calc(100% - 80px));background:rgba(0,0,0,.6);color:#fff;padding:20px 28px 22px;animation:capin .9s .3s both ease}
@keyframes capin{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.cap h1 small{font-size:.88rem;letter-spacing:.03em}
.cap small{display:block;font-size:.88rem;font-weight:700;opacity:.9;margin-bottom:4px}
.cap h1,.cap p{margin:0;font-size:clamp(1.4rem,3vw,2.3rem);line-height:1.5;font-weight:700;letter-spacing:.06em}
.cap .more{display:inline-flex;align-items:center;gap:10px;margin-top:12px;font-family:var(--en);font-weight:700;letter-spacing:.16em;text-decoration:none;font-size:.95rem}
.cap .more::after{content:"";width:28px;height:28px;border-radius:50%;background:var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.4'%3E%3Cpath d='M9 6l6 6-6 6'/%3E%3C/svg%3E") center/16px no-repeat}

/* ---------- 共通の見出し ---------- */
.sec{padding:120px 0}
.sec.soft{background:var(--bg-soft)}
.ttl{margin:0 0 56px}
.ttl .en{display:block;font-size:clamp(2.6rem,6vw,4.4rem);font-weight:700;line-height:1;color:var(--black)}
.ttl h2{margin:14px 0 0;font-size:1rem;font-weight:700;color:var(--orange);letter-spacing:.12em}
.ttl h2::before{content:"";display:inline-block;width:28px;height:2px;background:var(--orange);vertical-align:middle;margin-right:10px}

/* ---------- メッセージ ---------- */
.msg{display:grid;grid-template-columns:1.05fr 1fr;gap:72px;align-items:center}
.msg-copy{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;line-height:1.8;letter-spacing:.12em;margin:0 0 36px}
.msg-copy em{font-style:normal;color:var(--orange)}
.msg p{color:#444;margin:0 0 1.4em;line-height:2.2}
.msg-photo{position:relative}
.msg-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.msg-photo::before{content:"";position:absolute;right:-24px;bottom:-24px;width:60%;height:60%;background:var(--orange-soft);z-index:-1}
.tags{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tags li{border:1px solid #d0d0d0;border-radius:999px;padding:3px 14px;font-size:.85rem}

/* ---------- 3つの特徴 ---------- */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.feat > div{padding:40px 32px 44px;border-right:1px solid var(--line)}
.feat > div:last-child{border-right:0}
.feat .num{font-family:var(--en);font-size:3.6rem;font-weight:700;line-height:1;color:var(--orange)}
.feat h3{font-size:1.2rem;margin:18px 0 12px;line-height:1.6}
.feat p{margin:0;color:#555;font-size:.95rem}

/* ---------- 教室（写真カード） ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 32px}
.card{text-decoration:none;display:block}
.card .ph{overflow:hidden;aspect-ratio:3/2;background:#eee}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card:hover .ph img{transform:scale(1.06)}
.card .tag{display:inline-block;margin-top:18px;font-size:.78rem;font-weight:700;color:var(--orange);letter-spacing:.08em}
.card .tag.full{color:#b00020}
.card h3{margin:4px 0 8px;font-size:1.15rem;line-height:1.6}
.card p{margin:0;font-size:.9rem;color:#555;line-height:1.8}
.card .go{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-family:var(--en);font-weight:700;letter-spacing:.16em;font-size:.9rem}
.card .go::after{content:"";width:24px;height:1px;background:currentColor;transition:width .3s}
.card:hover .go{color:var(--orange)}
.card:hover .go::after{width:40px}

/* ---------- こんな運動 ---------- */
.prog{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.prog h3{font-size:1.05rem;margin:0 0 16px;padding-bottom:12px;border-bottom:1px solid var(--black)}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.chips li{background:#fff;border:1px solid #ddd;padding:6px 18px;font-size:.92rem}
.chips a{text-decoration:none;color:var(--orange);font-weight:700}

/* ---------- 代表 ---------- */
.prof{display:grid;grid-template-columns:260px 1fr;gap:64px;align-items:start}
.prof img{width:100%;max-height:520px;object-fit:cover;object-position:top}
.prof .role{font-size:.85rem;color:var(--muted);margin:0}
.prof h3{font-size:1.6rem;margin:4px 0 24px;letter-spacing:.12em}
.prof h3 small{font-size:.85rem;color:var(--muted);margin-left:12px;letter-spacing:.05em}
.prof p{color:#444;line-height:2.1}
.line-link{display:inline-flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;border-bottom:1px solid var(--black);padding-bottom:4px}
.line-link:hover{color:var(--orange);border-color:var(--orange)}

/* ---------- よくある質問 ---------- */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:24px 48px 24px 44px;position:relative;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";position:absolute;left:0;top:19px;font-family:var(--en);font-size:1.5rem;color:var(--orange)}
.faq summary::after{content:"";position:absolute;right:8px;top:50%;width:14px;height:14px;margin-top:-7px;background:linear-gradient(var(--black),var(--black)) center/14px 2px no-repeat,linear-gradient(var(--black),var(--black)) center/2px 14px no-repeat;transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 24px 44px;color:#444}
.faq a{color:var(--orange)}

/* ---------- 動画 ---------- */
.embed{position:relative;aspect-ratio:16/9;background:#000}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- 申し込み（黒い帯） ---------- */
.cta{background:var(--black);color:#fff;padding:110px 0;text-align:center}
.cta .en{display:block;font-size:clamp(2.4rem,6vw,4rem);font-weight:700;line-height:1}
.cta h2{margin:16px 0 12px;font-size:1.4rem;letter-spacing:.12em}
.cta p{margin:0 0 36px;color:#ccc}
.btn{display:inline-flex;align-items:center;gap:14px;background:var(--orange);color:#fff;text-decoration:none;font-weight:700;padding:18px 44px;border-radius:999px;font-size:1.05rem;transition:transform .2s,background .2s}
.btn:hover{background:#d95a05;transform:translateY(-2px)}
.tel{display:block;margin-top:24px;font-family:var(--en);font-size:2rem;letter-spacing:.1em;text-decoration:none;font-weight:700}

/* ---------- フッター ---------- */
.ft{background:#000;color:#bbb;padding:72px 0 120px;font-size:.88rem}
.ft-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.ft .logo{color:#fff;font-size:2rem;display:inline-block;margin-bottom:16px}
.ft ul{list-style:none;margin:0;padding:0;columns:2;column-gap:32px}
.ft li{margin-bottom:8px}
.ft a{text-decoration:none}
.ft a:hover{color:var(--orange)}
.copy{text-align:center;color:#777;font-size:.78rem;margin:56px 0 0}

/* ---------- スマホ下の固定ボタン ---------- */
.fixed{display:none}

/* ---------- 表示したときにふわっと出る ---------- */
.fade{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease}
.fade.show{opacity:1;transform:none}

/* ---------- スマホ ---------- */
@media (max-width:960px){
  .menu-btn{display:block}
  .nav{position:fixed;inset:64px 0 0 0;background:var(--navy);padding:24px;transform:translateX(100%);visibility:hidden;transition:transform .35s ease,visibility .35s;overflow:auto}
  .nav.open{transform:none;visibility:visible}
  .nav ul{flex-direction:column;align-items:stretch;gap:0}
  .nav li{border-bottom:1px solid rgba(255,255,255,.15)}
  .nav a{flex-direction:row;justify-content:space-between;padding:16px 4px}
  .nav a small{font-size:.85rem;color:#ddd}
  .nav .nav-cta{border:0;margin-top:20px}
  .nav .nav-cta a{justify-content:center;padding:14px}
  .hd{height:64px}
  .hero{margin-top:64px;height:78vh;min-height:460px;grid-template-columns:1fr}
  .hero-side{position:absolute;z-index:3;left:16px;bottom:16px;padding:0}
  .hero-side .scroll{display:none}
  .dots{margin:0}
  .cap{left:16px;right:16px;bottom:44px;max-width:none;padding:16px 18px}
  .sec{padding:80px 0}
  .ttl{margin-bottom:40px}
  .msg,.prog,.prof,.ft-grid{grid-template-columns:1fr;gap:40px}
  .msg-photo::before{right:-12px;bottom:-12px}
  .feat{grid-template-columns:1fr}
  .feat > div{border-right:0;border-bottom:1px solid var(--line);padding:32px 4px}
  .cards{grid-template-columns:1fr 1fr;gap:36px 16px}
  .prof img{max-width:220px;margin:0 auto}
  .wrap{padding:0 16px}
  .fixed{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;background:#000}
  .fixed a{flex:1;text-align:center;color:#fff;text-decoration:none;font-weight:700;padding:14px 4px}
  .fixed a.f{background:var(--orange)}
}
@media (max-width:560px){
  .cards{grid-template-columns:1fr}
  .ft ul{columns:1}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .fade{opacity:1;transform:none}
  .intro{display:none}
}