:root{
  --bg:#0d0d0d; --bg2:#141414; --ink:#f5f5f3; --muted:#9a9a96;
  --accent:#e2342c; --accent2:#ff7a5c; --green:#3fae6a; --line:#2a2a2a;
  --maxw:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP",system-ui,sans-serif;
  background:var(--bg); color:var(--ink); line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* buttons */
.btn{display:inline-block;padding:16px 32px;border-radius:999px;font-weight:700;
  letter-spacing:.04em;transition:.2s;cursor:pointer;border:none;font-size:15px;text-align:center}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%;font-size:17px;padding:18px}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(226,52,44,.4)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#111}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(13,13,13,.7);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand img{height:40px;width:auto;object-fit:contain}
.nav{display:flex;gap:24px;margin-left:auto;font-size:14px;font-weight:700}
.nav a{color:var(--muted)}.nav a:hover{color:var(--accent)}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-overlay{position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,13,13,.92) 0%,rgba(13,13,13,.6) 55%,rgba(13,13,13,.25) 100%)}
.hero-inner{position:relative;z-index:2;padding:120px 24px 80px;max-width:var(--maxw)}
.hero-kicker{color:var(--accent);font-weight:700;letter-spacing:.1em;font-size:14px;margin-bottom:16px}
.hero-title{font-family:"Anton",sans-serif;font-weight:400;font-size:clamp(64px,12vw,150px);
  line-height:.92;letter-spacing:.01em;text-transform:uppercase}
.hero-title::after{content:"";display:block;width:80px;height:6px;background:var(--accent);margin-top:24px}
.hero-lead{font-size:clamp(16px,2.2vw,20px);margin:28px 0 36px;max-width:520px;color:#e7e7e3}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.seat-badge{margin-top:32px;display:inline-block;padding:10px 20px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid var(--line);font-weight:700;font-size:14px}
.seat-badge.is-open{border-color:var(--green);color:#8be0a6}
.seat-badge.is-few{border-color:var(--accent);color:var(--accent)}
.seat-badge.is-full{border-color:var(--accent2);color:#ff9580}

/* sections */
.section{padding:96px 0}
.section-dark{background:var(--bg2)}
.section-tag{font-family:"Anton",sans-serif;color:var(--accent);letter-spacing:.2em;font-size:14px;margin-bottom:8px}
.section-title{font-size:clamp(28px,4vw,40px);font-weight:900;margin-bottom:28px;line-height:1.25}
.section-text{color:#cfcfca;max-width:680px;margin-bottom:40px}
.note{color:var(--muted);font-size:13px;margin-top:24px}

/* features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature{background:#181818;border:1px solid var(--line);border-radius:16px;padding:32px 28px}
.feature-no{font-family:"Anton",sans-serif;color:var(--accent);font-size:32px}
.feature h3{margin:8px 0 12px;font-size:19px}
.feature p{color:var(--muted);font-size:14px}

/* steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:20px;counter-reset:s}
.steps li{background:#0d0d0d;border:1px solid var(--line);border-radius:16px;padding:28px}
.steps li span{font-family:"Anton",sans-serif;color:var(--accent);font-size:14px;letter-spacing:.1em}
.steps li h3{margin:6px 0 8px;font-size:20px}
.steps li p{color:var(--muted);font-size:14px}

/* teacher */
.teacher{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.teacher-photo img{border-radius:16px;aspect-ratio:4/5;object-fit:cover;width:100%}

/* outline */
.outline-table{width:100%;border-collapse:collapse;max-width:720px}
.outline-table th,.outline-table td{text-align:left;padding:18px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.outline-table th{width:140px;color:var(--accent);font-weight:700;white-space:nowrap}

/* entry */
.section-entry{background:linear-gradient(180deg,#141414,#0d0d0d)}
.entry-status{margin-bottom:24px}
.entry-status .ok{background:rgba(63,174,106,.12);border:1px solid var(--green);color:#9fe6b7;padding:18px;border-radius:12px}
.entry-status .err{background:rgba(255,90,60,.12);border:1px solid var(--accent2);color:#ffb3a3;padding:18px;border-radius:12px}
.entry-status .wait{background:rgba(240,180,40,.12);border:1px solid #f0b428;color:#f0b428;padding:18px;border-radius:12px}
.entry-form{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:760px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1/-1}
.field label{font-size:14px;font-weight:700}
.req{background:var(--accent2);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px;margin-left:6px}
.field input,.field select,.field textarea{
  background:#0d0d0d;border:1.5px solid var(--line);border-radius:10px;
  padding:14px;color:var(--ink);font-size:15px;font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field.invalid input,.field.invalid select{border-color:var(--accent2)}

/* footer */
.site-footer{background:#080808;border-top:1px solid var(--line);padding:48px 0;text-align:center}
.footer-logo{height:56px;width:auto;margin:0 auto 16px;object-fit:contain}
.site-footer p{color:var(--muted);font-size:13px}
.footer-admin{margin-top:12px}.footer-admin a{color:#555}.footer-admin a:hover{color:var(--accent)}

/* responsive */
@media(max-width:820px){
  .nav{display:none}
  .features,.steps,.entry-form{grid-template-columns:1fr}
  .teacher{grid-template-columns:1fr}
  .hero-overlay{background:linear-gradient(180deg,rgba(13,13,13,.6),rgba(13,13,13,.9))}
}

/* ===== 追加: 動画ヒーロー / クラス / PR / リリック ===== */
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;
  filter:grayscale(.18) contrast(1.06);opacity:0;transition:opacity 1.6s ease;will-change:opacity,transform}
.hero-slide.is-active{opacity:1;animation:heroZoom 7s ease-out forwards}
@keyframes heroZoom{from{transform:scale(1.02)}to{transform:scale(1.12)}}
.hero-noise{position:absolute;inset:-40%;z-index:2;pointer-events:none;opacity:.16;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:170px 170px;animation:noiseShift .6s steps(5) infinite}
@keyframes noiseShift{0%{transform:translate(0,0)}20%{transform:translate(-6%,3%)}40%{transform:translate(4%,-5%)}
  60%{transform:translate(-3%,6%)}80%{transform:translate(6%,2%)}100%{transform:translate(0,0)}}
@media(prefers-reduced-motion:reduce){.hero-slide.is-active{animation:none}.hero-noise{animation:none}}
.hero-meta{display:flex;gap:20px;flex-wrap:wrap;margin:24px 0 28px;font-weight:700;font-size:14px;color:#e7e7e3}
.hero-meta span{background:rgba(255,255,255,.06);border:1px solid var(--line);padding:8px 14px;border-radius:999px}

/* PR movie */
.movie-wrap{display:grid;grid-template-columns:1fr .8fr;gap:48px;align-items:center}
.lyric{border-left:3px solid var(--accent);padding:8px 0 8px 24px;color:#e7e7e3;font-size:18px;line-height:2.1;font-weight:700}
.lyric-en{display:inline-block;margin-top:14px;color:var(--accent);font-family:"Anton",sans-serif;letter-spacing:.06em;font-size:20px}
.movie-phone{justify-self:center;width:min(300px,80vw);aspect-ratio:9/16;border-radius:28px;overflow:hidden;
  border:6px solid #1d1d1d;box-shadow:0 20px 60px rgba(0,0,0,.6);background:#000}
.movie-phone video{width:100%;height:100%;object-fit:cover}

/* class cards */
.class-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.class-card{background:#181818;border:1px solid var(--line);border-radius:16px;padding:32px;cursor:pointer;transition:.2s}
.class-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.class-card h3{font-size:22px;margin-bottom:6px}
.class-target{color:var(--muted);font-size:14px}
.class-time{font-family:"Anton",sans-serif;font-size:26px;color:var(--accent);margin:12px 0}
.class-seat{font-weight:700;font-size:14px;color:#8be0a6}
.class-seat.full{color:#ff9580}

/* radio cards in form */
.radio-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.radio-card{display:flex;align-items:center;gap:12px;background:#0d0d0d;border:1.5px solid var(--line);
  border-radius:12px;padding:16px;cursor:pointer;transition:.15s}
.radio-card:hover{border-color:#555}
.radio-card input{accent-color:var(--accent);width:18px;height:18px}
.radio-card span{display:flex;flex-direction:column;font-size:13px;color:var(--muted)}
.radio-card strong{font-size:15px;color:var(--ink)}
.radio-card:has(input:checked){border-color:var(--accent);background:rgba(226,52,44,.08)}

@media(max-width:820px){
  .movie-wrap{grid-template-columns:1fr}
  .class-cards,.radio-cards{grid-template-columns:1fr}
  .hero-meta{gap:10px}
}

/* 地図リンク */
.map-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.map-btn{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;
  border:1.5px solid var(--accent);color:var(--accent);border-radius:999px;padding:8px 16px;transition:.15s}
.map-btn:hover{background:var(--accent);color:#fff}
.map-btn::before{content:"📍"}

/* ヒーロータイトルの語別カラー: SCHOOL=白 / OF=赤 / RAP=黄 */
.hero-title .w-school{color:#ffffff}
.hero-title .w-of{color:var(--accent)}
.hero-title .w-rap{color:#ffd21e}

/* ===== スマホ向け調整 (logo中央 / hero logo / ボタン横並び) ===== */
.hero-logo{display:none}
@media(max-width:820px){
  /* ヘッダー: ロゴ中央・申込ボタン右 */
  .header-inner{justify-content:center;position:relative;gap:0}
  .header-inner .brand{margin:0}
  .header-inner .btn-accent{position:absolute;right:18px;top:50%;transform:translateY(-50%)}
  .brand img{height:34px}

  /* ヒーロー: H1テキスト非表示→ロゴ中央、全体センター */
  .hero-inner{text-align:center;padding-top:96px}
  .hero-title{display:none}
  .hero-logo{display:block;margin:4px auto 18px;width:min(300px,80%)}
  .hero-kicker{margin-bottom:10px}
  .hero-lead{margin-left:auto;margin-right:auto}
  .hero-meta{justify-content:center}
  .seat-badge{margin-left:auto;margin-right:auto}

  /* CTAボタンは横並び（折り返さない） */
  .hero-cta{justify-content:center;flex-wrap:nowrap;gap:10px}
  .hero-cta .btn{flex:1 1 0;min-width:0;white-space:nowrap;padding:14px 12px;font-size:14px}
}