/* =========================================================
   NLT矯正研究所 — 試作 v3
   ・最初の画面：暗い講義写真＋大きな明朝の見出し＋銅色のボタン（ユーザー提示の参考画像の方向）
   ・写真の下端に重なるカード＝日程・受講料・申込を1か所に（海外の講座サイト調査より）
   ・それ以降は 白／生成り の平らな面、余白と細い線で区切る。色は 紺・生成り・銅 の3つ
   ・動きは「0.7秒・28px上昇・1回だけ」
   ========================================================= */
:root{
  --navy:#0f1f36; --navy-2:#182d4b; --ink:#26303d; --muted:#5f6a77;
  --paper:#f6f3ee; --paper-2:#eee8de; --line:#e2dcd2;
  --copper:#b47a48; --copper-2:#93592b; --copper-ink:#8a5226;
  --serif:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:84px;}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:2;letter-spacing:.04em;-webkit-font-smoothing:antialiased;font-feature-settings:"palt" 1;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3{word-break:auto-phrase;text-wrap:balance;}
:focus-visible{outline:3px solid var(--copper);outline-offset:3px;border-radius:3px;}
.ic{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none;}
.n-wrap{width:min(100% - 48px,var(--wrap));margin-inline:auto;}
.n-pc{display:none;} @media(min-width:900px){.n-pc{display:inline;}}

/* ---------- ボタン ---------- */
.n-apply{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:0 28px;border-radius:999px;background:linear-gradient(135deg,#c48b58 0%,var(--copper) 45%,var(--copper-2) 100%);color:#fff;text-decoration:none;font-weight:700;font-size:15px;letter-spacing:.08em;box-shadow:0 10px 24px -14px rgba(147,89,43,.9);transition:filter .3s,transform .3s;}
.n-apply:hover{filter:brightness(1.07);transform:translateY(-1px);}
.n-apply--lg{min-height:60px;padding:0 34px;font-size:16px;}
.n-apply--sm{min-height:44px;padding:0 22px;font-size:14px;}
.n-apply--light{background:#fff;color:var(--navy);box-shadow:none;}
.n-arrow{width:18px;height:1px;background:currentColor;position:relative;transition:transform .3s;}
.n-arrow::after{content:"";position:absolute;right:0;top:-3.5px;width:8px;height:8px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg);}
.n-apply:hover .n-arrow{transform:translateX(4px);}
.n-ghost{display:inline-flex;align-items:center;gap:10px;min-height:60px;padding:0 30px;border-radius:999px;border:1px solid rgba(255,255,255,.55);color:#fff;text-decoration:none;font-weight:500;font-size:15px;letter-spacing:.08em;transition:background .3s;}
.n-ghost:hover{background:rgba(255,255,255,.12);}
.n-more{display:inline-flex;align-items:center;gap:8px;color:var(--navy);font-weight:500;font-size:14.5px;text-decoration:none;border-bottom:1px solid rgba(15,31,54,.3);padding-bottom:2px;transition:border-color .3s;}
.n-more::after{content:"→";font-size:13px;transition:transform .3s;}
.n-more:hover{border-color:var(--navy);}
.n-more:hover::after{transform:translateX(4px);}
.n-more--inv{color:#fff;border-color:rgba(255,255,255,.4);}

/* ---------- ヘッダー ---------- */
.n-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .3s;}
.n-head.is-scrolled{box-shadow:0 10px 26px -20px rgba(15,31,54,.55);}
.n-head__in{width:min(100% - 48px,1320px);margin-inline:auto;min-height:76px;display:flex;align-items:center;gap:30px;}
.n-brand{display:flex;flex-direction:column;text-decoration:none;line-height:1.35;margin-right:auto;}
.n-brand b{font-family:var(--serif);font-weight:600;font-size:23px;letter-spacing:.1em;color:var(--navy);white-space:nowrap;}
.n-brand span{font-size:11.5px;color:var(--copper-ink);letter-spacing:.16em;}
.n-nav{display:flex;gap:24px;}
.n-nav a{font-size:14px;font-weight:500;color:var(--ink);text-decoration:none;white-space:nowrap;position:relative;padding:6px 0;}
.n-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--copper);transform:scaleX(0);transform-origin:left;transition:transform .3s;}
.n-nav a:hover::after{transform:scaleX(1);}

/* ---------- 最初の画面 ---------- */
.n-hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;}
.n-hero__bg{position:absolute;inset:0;background:url('img/hero-desk.jpg') 30% 85%/cover no-repeat;}
.n-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,23,42,.78) 0%,rgba(11,23,42,.55) 38%,rgba(11,23,42,.15) 70%,rgba(11,23,42,.1) 100%),linear-gradient(0deg,rgba(11,23,42,.55) 0%,rgba(11,23,42,0) 30%);}
.n-hero__in{position:relative;z-index:2;padding:96px 0 168px;}
.n-eyebrow{display:flex;align-items:center;gap:16px;font-family:var(--serif);font-size:15px;letter-spacing:.22em;color:rgba(255,255,255,.88);margin-bottom:22px;}
.n-eyebrow::before{content:"";width:40px;height:1px;background:var(--copper);}
.n-hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(34px,5vw,64px);line-height:1.4;letter-spacing:.08em;margin-bottom:28px;text-shadow:0 2px 24px rgba(0,0,0,.3);}
.n-hero__lead{font-family:var(--serif);font-size:17px;line-height:2.1;letter-spacing:.08em;color:rgba(255,255,255,.92);max-width:34em;margin-bottom:40px;}
.n-hero__btns{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 写真に重なるカード：日程・受講料・申込 ---------- */
.n-cardwrap{position:relative;z-index:5;margin-top:-104px;}
.n-card{display:grid;grid-template-columns:270px 1fr 300px;background:rgba(255,255,255,.98);border-radius:14px;box-shadow:0 30px 60px -30px rgba(15,31,54,.45),0 0 0 1px rgba(15,31,54,.04);overflow:hidden;}
.n-card>*{padding:28px 30px;}
.n-card__lbl{font-size:13px;color:var(--muted);letter-spacing:.12em;}
.n-card__now{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;white-space:nowrap;font-weight:500;color:var(--navy);margin:4px 0 10px;}
.n-dot{width:11px;height:11px;border-radius:50%;background:#3fb27f;box-shadow:0 0 0 5px rgba(63,178,127,.18);flex:none;}
.n-card__name{font-size:13px;color:var(--muted);line-height:1.8;}
.n-card__dates{display:grid;grid-template-columns:repeat(4,1fr);padding:28px 10px!important;border-left:1px solid var(--line);border-right:1px solid var(--line);}
.n-card__dates li{padding:0 18px;}
.n-card__dates li+li{border-left:1px solid var(--line);}
.n-card__no{font-size:12.5px;color:var(--muted);letter-spacing:.1em;}
.n-card__date{font-family:var(--serif);font-size:34px;font-weight:500;line-height:1.35;color:var(--navy);letter-spacing:.02em;white-space:nowrap;font-variant-numeric:lining-nums;}
.n-card__date small{font-size:13px;color:var(--muted);margin-left:2px;}
.n-card__t{font-size:13px;color:var(--ink);line-height:1.7;margin-top:2px;}
.n-card__apply{background:var(--paper);display:flex;flex-direction:column;justify-content:center;}
.n-card__fee{font-family:var(--serif);color:var(--navy);font-size:15px;}
.n-card__fee b{font-size:30px;font-weight:500;letter-spacing:.02em;margin-right:2px;}
.n-card__feesub{font-size:12px;color:var(--muted);line-height:1.8;margin:2px 0 14px;}
.n-card__apply .n-apply{width:100%;}
.n-card__note{font-size:11.5px;color:var(--muted);line-height:1.7;margin-top:10px;}

/* ---------- 事実の帯 ---------- */
.n-facts{padding:56px 0 8px;}
.n-facts ul{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.n-facts li{padding:22px 10px;text-align:center;}
.n-facts li+li{border-left:1px solid var(--line);}
.n-facts b{display:block;font-family:var(--serif);font-weight:500;font-size:34px;line-height:1.3;color:var(--navy);}
.n-facts b small{font-size:14px;margin-left:2px;}
.n-facts .n-facts__txt{font-size:19px;line-height:2.3;}
.n-facts span{font-size:12.5px;color:var(--muted);letter-spacing:.1em;}

/* ---------- お知らせ ---------- */
.n-news{display:grid;grid-template-columns:110px 1fr;gap:24px;align-items:start;margin-top:36px;}
.n-news[hidden]{display:none;}
.n-news__ttl{font-family:var(--serif);font-size:15px;letter-spacing:.16em;color:var(--navy);padding-top:6px;}
.n-news li{display:grid;grid-template-columns:auto auto 1fr;gap:4px 16px;align-items:baseline;padding:8px 0;font-size:15px;}
.n-news li+li{border-top:1px solid var(--line);}
.n-news time{font-family:var(--serif);font-size:14px;color:var(--muted);white-space:nowrap;}
.news__tag{justify-self:start;font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--copper-ink);border:1px solid currentColor;border-radius:999px;padding:0 10px;white-space:nowrap;}
.news__title a{color:var(--navy);text-underline-offset:4px;}
.news__title small{display:block;font-size:13px;color:var(--muted);}

/* ---------- セクションと見出し ---------- */
.n-sec{padding:104px 0;}
.n-sec--tight{padding:72px 0;}
.n-sec--paper{background:var(--paper);}
.n-sec--navy{background:var(--navy);color:#fff;}
.n-h{margin-bottom:44px;}
.n-h__en{display:flex;align-items:center;gap:14px;font-family:var(--serif);font-size:12.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--copper-ink);margin-bottom:12px;}
.n-h__en::before{content:"";width:34px;height:1px;background:var(--copper);}
.n-h h2{font-family:var(--serif);font-weight:500;font-size:clamp(26px,3vw,36px);line-height:1.55;letter-spacing:.1em;color:var(--navy);}
.n-h h2 small{font-family:var(--sans);font-size:14px;letter-spacing:.12em;color:var(--muted);margin-left:16px;font-weight:400;}
.n-h__lead{margin-top:16px;max-width:42em;color:var(--ink);font-size:16px;}
.n-h--inv h2{color:#fff;}
.n-h--inv .n-h__en{color:#e2b588;}
.n-h--inv .n-h__lead{color:rgba(255,255,255,.85);}
.n-note{font-size:13.5px;color:var(--muted);line-height:1.9;margin-top:22px;}
.n-note a{color:var(--copper-ink);}
.n-two{display:grid;grid-template-columns:300px 1fr;gap:56px;align-items:start;}
.n-two>.n-h{margin:0;position:sticky;top:110px;}

/* ---------- 4日間の内容 ---------- */
.n-days{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--navy);}
.n-day{padding:28px 24px 30px 0;}
.n-day+.n-day{padding-left:24px;border-left:1px solid var(--line);}
.n-day__no{font-size:12.5px;letter-spacing:.14em;color:var(--copper-ink);}
.n-day__date{font-family:var(--serif);font-size:40px;font-weight:500;line-height:1.3;color:var(--navy);margin:2px 0 12px;font-variant-numeric:lining-nums;}
.n-day__date small{font-size:14px;color:var(--muted);margin-left:4px;}
.n-day h3{font-family:var(--serif);font-weight:500;font-size:18px;line-height:1.6;letter-spacing:.06em;color:var(--navy);margin-bottom:8px;}
.n-day__sub{font-size:14px;color:var(--muted);line-height:1.85;}
.n-day__typo{display:inline-block;margin-top:14px;font-size:12px;letter-spacing:.1em;color:var(--copper-ink);border:1px solid rgba(138,82,38,.4);border-radius:999px;padding:0 12px;}
.n-steps{display:grid;grid-template-columns:auto 1fr auto;gap:18px 32px;align-items:center;margin-top:44px;background:var(--paper);border-radius:12px;padding:24px 30px;}
.n-steps__ttl{font-family:var(--serif);font-size:16px;letter-spacing:.12em;color:var(--navy);}
.n-steps ol{display:flex;flex-wrap:wrap;gap:8px 28px;font-size:14.5px;}
.n-steps li{display:flex;align-items:center;gap:10px;}
.n-steps li b{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--serif);font-size:13px;font-weight:500;flex:none;}

/* ---------- 講師 ---------- */
.n-teacher{display:grid;grid-template-columns:minmax(240px,360px) 1fr;gap:64px;align-items:start;}
.n-teacher__photo img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 18%;border-radius:14px;}
.n-teacher .n-h{margin-bottom:6px;}
.n-role{font-size:13px;letter-spacing:.14em;color:var(--copper-ink);margin-bottom:16px;}
.n-teacher__text>p{line-height:2.05;}
.n-covers{display:flex;gap:14px;margin:30px 0 8px;align-items:flex-end;}
.n-covers img{height:150px;width:auto;border-radius:2px;box-shadow:0 14px 26px -14px rgba(15,31,54,.55);}
.pubs{margin-top:22px;border-top:1px solid var(--line);}
.pubs>div{display:grid;grid-template-columns:72px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;}
.pubs dt{font-size:12.5px;color:var(--muted);letter-spacing:.12em;padding-top:2px;}
.pubs dd{line-height:1.9;}
.n-staff{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px;}
.staff__item{display:flex;gap:16px;align-items:center;background:#fff;border-radius:12px;padding:16px 18px;}
.staff__item img,.staff__ph{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:none;}
.staff__ph{background:var(--paper);display:flex;align-items:center;justify-content:center;color:#c6bcae;}
.staff__ph .ic{width:30px;height:30px;}
.teacher__role{font-size:11.5px;letter-spacing:.14em;color:var(--copper-ink);}
.staff__item h4{font-family:var(--serif);font-weight:500;font-size:17px;letter-spacing:.12em;color:var(--navy);margin:0;}
.staff__item p:last-child{font-size:12.5px;color:var(--muted);line-height:1.75;margin:0;}

/* ---------- 学べること ---------- */
.n-prose>p{margin-bottom:18px;line-height:2.1;}
.n-props{counter-reset:p;margin:30px 0 8px;border-top:1px solid var(--line);}
.n-props li{counter-increment:p;display:grid;grid-template-columns:52px 220px 1fr;gap:16px;align-items:baseline;padding:20px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--muted);}
.n-props li::before{content:"0" counter(p);font-family:var(--serif);font-size:15px;letter-spacing:.14em;color:var(--copper-ink);}
.n-props li b{font-family:var(--serif);font-weight:500;font-size:18px;color:var(--navy);letter-spacing:.06em;}
.n-fold{margin-top:22px;}
.n-fold summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:10px;font-weight:500;color:var(--navy);font-size:15px;}
.n-fold summary::-webkit-details-marker{display:none;}
.n-fold summary::before{content:"＋";display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;}
.n-fold[open] summary::before{content:"－";}
.n-fold__fig{margin:20px 0 0;}
.n-fold__fig img{border-radius:12px;aspect-ratio:16/9;object-fit:cover;width:100%;}

/* ---------- オンライン動画講座 ---------- */
.n-chips{display:flex;flex-wrap:wrap;gap:10px;margin:-18px 0 34px;}
.n-chips li{border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:4px 16px;font-size:13.5px;}
.n-chips .is-free{background:#e6c39e;border-color:#e6c39e;color:var(--navy);font-weight:700;}
.n-video{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start;}
.n-video__feat{display:block;text-decoration:none;color:#fff;}
.n-video__thumb{position:relative;display:block;border-radius:12px;overflow:hidden;}
.n-video__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s;}
.n-video__feat:hover .n-video__thumb img{transform:scale(1.03);}
.n-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:72px;height:72px;border-radius:50%;background:rgba(11,23,42,.62);display:flex;align-items:center;justify-content:center;transition:background .3s;}
.n-play .ic{width:40px;height:40px;}
.n-video__feat:hover .n-play{background:var(--copper);}
.n-video__meta{display:flex;align-items:center;gap:12px;margin:16px 0 18px;font-family:var(--serif);font-size:21px;}
.n-video__meta small{font-family:var(--sans);font-size:13px;color:rgba(255,255,255,.65);}
.n-free,.n-paid{display:inline-flex;align-items:center;font-family:var(--sans);font-size:11.5px;font-weight:700;letter-spacing:.08em;border-radius:999px;padding:1px 10px;white-space:nowrap;flex:none;}
.n-free{background:#e6c39e;color:var(--navy);}
.n-paid{border:1px solid rgba(255,255,255,.35);color:rgba(255,255,255,.8);}
.n-vlist{border-top:1px solid rgba(255,255,255,.18);}
.n-vlist a{display:grid;grid-template-columns:40px 1fr auto 52px;gap:14px;align-items:center;padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.18);color:#fff;text-decoration:none;font-size:15px;transition:background .3s,padding .3s;}
.n-vlist a:hover{background:rgba(255,255,255,.06);padding-left:10px;}
.n-vlist__no{font-family:var(--serif);font-size:13px;color:#e2b588;letter-spacing:.1em;}
.n-vlist__time{font-size:13px;color:rgba(255,255,255,.6);text-align:right;font-variant-numeric:tabular-nums;}
.n-video__foot{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;margin-top:36px;font-size:12.5px;color:rgba(255,255,255,.6);}

/* ---------- 書籍 ---------- */
.n-books{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;}
.n-book{display:flex;flex-direction:column;align-items:flex-start;}
.n-book__cover{width:100%;height:300px;display:flex;align-items:center;justify-content:center;background:var(--paper);border-radius:12px;margin-bottom:18px;transition:background .3s;}
.n-book__cover img{height:auto;width:auto;max-height:78%;max-width:72%;border-radius:2px;box-shadow:0 18px 30px -14px rgba(15,31,54,.6);transition:transform .5s;}
.n-book:hover .n-book__cover img{transform:translateY(-4px);}
.n-badge{font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--copper-ink);margin-bottom:4px;}
.n-book h3{font-family:var(--serif);font-weight:500;font-size:18px;line-height:1.6;letter-spacing:.04em;color:var(--navy);}
.n-book__sub{font-size:13px;color:var(--muted);line-height:1.7;margin-top:4px;}
.n-book__meta{display:flex;flex-direction:column;font-size:12.5px;color:var(--muted);margin:10px 0 14px;line-height:1.7;}
.n-book__meta span{font-family:var(--serif);font-size:17px;color:var(--navy);}
.n-book__btns{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;margin-top:auto;}
.n-buy{display:inline-flex;align-items:center;min-height:40px;padding:0 18px;border-radius:999px;background:var(--navy);color:#fff;text-decoration:none;font-size:13.5px;font-weight:700;letter-spacing:.06em;transition:background .3s;}
.n-buy:hover{background:var(--copper-2);}
.n-sub{font-size:13.5px;color:var(--navy);text-underline-offset:4px;}

/* ---------- そのほかのコース ---------- */
.n-rows{border-top:1px solid var(--line);}
.n-rows li{display:grid;grid-template-columns:1fr 200px auto;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);}
.n-rows__t{font-family:var(--serif);font-size:18px;color:var(--navy);letter-spacing:.06em;}
.n-rows__s{font-size:13.5px;color:var(--muted);}

/* ---------- よくある質問 ---------- */
.n-acc{border-top:1px solid var(--line);}
.n-acc details{border-bottom:1px solid var(--line);}
.n-acc summary{list-style:none;cursor:pointer;position:relative;padding:22px 48px 22px 40px;font-family:var(--serif);font-size:17px;color:var(--navy);line-height:1.7;}
.n-acc summary::-webkit-details-marker{display:none;}
.n-acc summary::before{content:"Q";position:absolute;left:4px;top:20px;font-size:18px;color:var(--copper-ink);}
.n-acc summary::after{content:"";position:absolute;right:10px;top:50%;width:9px;height:9px;border-right:1.5px solid var(--navy);border-bottom:1.5px solid var(--navy);transform:translateY(-70%) rotate(45deg);transition:transform .3s;}
.n-acc details[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.n-acc details p{padding:0 40px 24px;font-size:15px;color:var(--muted);line-height:2;}
.n-acc a{color:var(--copper-ink);}

/* ---------- 会場 ---------- */
.n-venue{display:grid;grid-template-columns:1fr minmax(280px,460px);gap:64px;align-items:center;}
.n-venue h3{font-family:var(--serif);font-weight:500;font-size:24px;letter-spacing:.12em;color:var(--navy);}
.n-venue dl{margin:16px 0 22px;border-top:1px solid var(--line);}
.n-venue dl>div{display:grid;grid-template-columns:84px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;}
.n-venue dt{font-size:12.5px;color:var(--muted);letter-spacing:.12em;padding-top:3px;}
.n-venue>img{border-radius:12px;width:100%;}

/* ---------- フッター ---------- */
.n-foot{background:var(--navy);color:rgba(255,255,255,.78);padding:56px 0 30px;font-size:13.5px;}
.n-foot__in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px;}
.n-foot__brand{font-family:var(--serif);font-size:20px;letter-spacing:.14em;color:#fff;margin-bottom:8px;}
.n-foot a{color:rgba(255,255,255,.88);text-decoration:none;}
.n-foot a:hover{text-decoration:underline;text-underline-offset:4px;}
.n-foot__nav{display:grid;grid-template-columns:repeat(2,auto);gap:6px 40px;align-content:start;}
.n-foot__copy{margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:12px;color:rgba(255,255,255,.5);}
.n-mbar{display:none;}

/* ---------- 動き（v3.js が .js を付けたときだけ） ---------- */
@media(prefers-reduced-motion:no-preference){
  .js .rv{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.19,1,.22,1),transform .7s cubic-bezier(.19,1,.22,1);transition-delay:var(--d,0s);}
  .js .rv.is-in{opacity:1;transform:none;}
  .js .n-hero__bg{animation:nZoom 8s cubic-bezier(.2,.6,.2,1) both;}
  .js .n-hero__in>*{animation:nRise .9s cubic-bezier(.19,1,.22,1) both;}
  .js .n-hero__in>*:nth-child(2){animation-delay:.1s;}
  .js .n-hero__in>*:nth-child(3){animation-delay:.2s;}
  .js .n-hero__in>*:nth-child(4){animation-delay:.3s;}
  .js .n-card{animation:nRise 1s .35s cubic-bezier(.19,1,.22,1) both;}
  @keyframes nRise{from{opacity:0;transform:translateY(28px);}to{opacity:1;transform:none;}}
  @keyframes nZoom{from{transform:scale(1.06);}to{transform:none;}}
}

/* ---------- タブレット ---------- */
@media(max-width:1180px){
  .n-nav{display:none;}
  .n-card{grid-template-columns:1fr 1fr;}
  .n-card__dates{grid-column:1 / -1;grid-row:2;border:0;border-top:1px solid var(--line);}
}
@media(max-width:960px){
  .n-teacher,.n-video,.n-venue,.n-two{grid-template-columns:1fr;gap:32px;}
  .n-two>.n-h{position:static;}
  .n-teacher__photo{max-width:300px;}
  .n-days{grid-template-columns:1fr 1fr;}
  .n-day:nth-child(3){padding-left:0;border-left:0;}
  .n-day:nth-child(n+3){border-top:1px solid var(--line);}
  .n-books{grid-template-columns:1fr 1fr;gap:28px 20px;}
  .n-facts ul{grid-template-columns:repeat(3,1fr);}
  .n-facts li:nth-child(4){border-left:0;}
  .n-facts li:nth-child(n+4){border-top:1px solid var(--line);}
  .n-steps{grid-template-columns:1fr;}
}
/* ---------- スマホ ---------- */
@media(max-width:767px){
  html{scroll-padding-top:68px;}
  body{font-size:15.5px;}
  .n-wrap{width:min(100% - 40px,var(--wrap));}
  .n-head__in{width:min(100% - 32px,1320px);min-height:60px;}
  .n-brand b{font-size:18px;}
  .n-brand span{font-size:10.5px;}
  .n-head .n-apply--sm{min-height:38px;padding:0 14px;font-size:12.5px;}
  .n-hero__in{padding:56px 0 132px;}
  .n-hero__bg{background-position:22% 70%;}
  .n-eyebrow{font-size:13px;margin-bottom:16px;}
  .n-hero h1{font-size:30px;letter-spacing:.05em;margin-bottom:20px;}
  .n-hero__lead{font-size:14.5px;line-height:2;margin-bottom:28px;}
  .n-hero__lead br{display:none;}
  .n-hero__btns .n-apply,.n-hero__btns .n-ghost{flex:1 1 100%;min-height:54px;}
  .n-cardwrap{margin-top:-96px;}
  .n-card{grid-template-columns:1fr;}
  .n-card>*{padding:20px;}
  .n-card__dates{grid-row:auto;grid-template-columns:1fr 1fr;gap:16px 0;padding:18px 6px!important;}
  .n-card__dates li:nth-child(3){border-left:0;}
  .n-card__dates li{padding:0 14px;}
  .n-card__date{font-size:28px;}
  .n-facts{padding:40px 0 0;}
  .n-facts ul{grid-template-columns:1fr 1fr;}
  .n-facts li{padding:16px 6px;}
  .n-facts li:nth-child(odd){border-left:0;}
  .n-facts li:nth-child(4){border-left:1px solid var(--line);}
  .n-facts li:nth-child(n+3){border-top:1px solid var(--line);}
  .n-facts li:last-child{grid-column:1 / -1;}
  .n-facts b{font-size:28px;}
  .n-news{grid-template-columns:1fr;gap:6px;}
  .n-news li{grid-template-columns:auto 1fr;}
  .news__title{grid-column:1 / -1;}
  .n-sec{padding:64px 0;}
  .n-sec--tight{padding:52px 0;}
  .n-h{margin-bottom:28px;}
  .n-days{grid-template-columns:1fr;}
  .n-day,.n-day+.n-day{padding:20px 0;border-left:0;display:grid;grid-template-columns:96px 1fr;column-gap:16px;}
  .n-day+.n-day{border-top:1px solid var(--line);}
  .n-day__no{grid-column:1;}
  .n-day__date{grid-column:1;grid-row:2 / span 3;font-size:30px;margin:0;}
  .n-day h3,.n-day__sub,.n-day__typo{grid-column:2;}
  .n-day h3{grid-row:1 / span 2;font-size:16.5px;}
  .n-day__typo{justify-self:start;margin-top:8px;}
  .n-steps{padding:20px;}
  .n-teacher__photo{max-width:none;}
  .n-teacher__photo img{aspect-ratio:3/2;object-position:center 22%;}
  .n-covers img{height:96px;}
  .n-covers{gap:10px;}
  .n-staff{grid-template-columns:1fr;gap:10px;}
  .n-props li{display:block;position:relative;padding:16px 0 16px 40px;font-size:14px;line-height:1.85;}
  .n-props li::before{position:absolute;left:0;top:18px;}
  .n-props li b{display:block;font-size:16.5px;margin-bottom:2px;}
  /* スマホでは詳細を省いて短く（PCでは表示） */
  .n-day__sub,.pubs,.staff__item p:last-child{display:none;}
  .n-staff{grid-template-columns:1fr 1fr;}
  .staff__item{flex-direction:column;text-align:center;gap:8px;padding:14px 8px;}
  .n-card__name{display:none;}
  .n-chips{margin-top:-8px;}
  .n-vlist a{grid-template-columns:32px 1fr auto;font-size:14px;padding:13px 2px;}
  .n-vlist__time{display:none;}
  .n-books{grid-template-columns:1fr 1fr;gap:28px 14px;}
  .n-book h3{font-size:15.5px;}
  .n-book__cover{height:200px;}
  .n-buy{min-height:36px;padding:0 14px;font-size:12.5px;}
  .n-rows li{grid-template-columns:1fr;gap:4px;padding:16px 0;}
  .n-acc summary{font-size:15.5px;padding:18px 34px 18px 32px;}
  .n-acc summary::before{top:16px;}
  .n-acc details p{padding:0 4px 20px 32px;font-size:14.5px;}
  .n-foot__nav{grid-template-columns:1fr;}
  .n-mbar{display:grid;grid-template-columns:1fr 2.2fr;position:fixed;left:0;right:0;bottom:0;z-index:60;box-shadow:0 -8px 22px -10px rgba(15,31,54,.35);}
  .n-mbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:58px;text-decoration:none;font-weight:700;font-size:14.5px;letter-spacing:.06em;color:#fff;}
  .n-mbar__video{background:var(--navy);flex-direction:row!important;gap:6px!important;}
  .n-mbar__apply{background:linear-gradient(135deg,#c48b58,var(--copper-2));}
  .n-mbar__apply small{font-size:11px;font-weight:500;opacity:.9;}
  body{padding-bottom:58px;}
}

/* ---------- 下層ページ（お問い合わせ・規約） ---------- */
.n-phead{background:var(--paper);padding:72px 0 56px;}
.n-phead .n-h{margin:0;}
.n-phead h1{font-family:var(--serif);font-weight:500;font-size:clamp(26px,3vw,36px);line-height:1.55;letter-spacing:.1em;color:var(--navy);}
.n-sec--doc{padding:64px 0 96px;}
.n-doc>*{max-width:820px;}
.n-doc>p{margin-top:14px;}
.n-doc>p:first-child{margin-top:0;}
.n-doc h2{font-family:var(--serif);font-weight:500;font-size:19px;letter-spacing:.08em;color:var(--navy);margin:40px 0 10px;padding-left:14px;border-left:2px solid var(--copper);}
.n-doc ul{margin:14px 0 0;}
.n-doc li{position:relative;padding-left:18px;margin-top:8px;}
.n-doc li::before{content:"";position:absolute;left:2px;top:.85em;width:6px;height:6px;border-radius:50%;background:var(--copper);opacity:.6;}
.n-doc a{color:var(--copper-ink);}
.n-doc dl.tbl{border-top:1px solid var(--line);margin-top:22px;}
.n-doc dl.tbl>div{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px;}
.n-doc dl.tbl dt{color:var(--navy);font-weight:500;}
.n-doc .form{background:var(--paper);border-radius:14px;padding:clamp(22px,3.4vw,40px);margin-top:30px;}
.n-doc .form label{display:block;font-weight:500;color:var(--navy);font-size:15px;margin:20px 0 8px;}
.n-doc .form label:first-child{margin-top:0;}
.n-doc .form .req{color:#b03a2e;font-size:12px;margin-left:8px;letter-spacing:.1em;}
.n-doc .form input,.n-doc .form textarea{width:100%;font:inherit;font-size:16px;letter-spacing:.02em;padding:12px 14px;border:1px solid #cfc6b8;border-radius:8px;background:#fff;color:var(--ink);}
.n-doc .form textarea{min-height:180px;resize:vertical;}
.n-doc .form input:focus,.n-doc .form textarea:focus{outline:2px solid var(--copper);outline-offset:1px;border-color:var(--copper);}
.n-doc .form .n-apply{margin-top:26px;border:0;cursor:pointer;font-family:inherit;}
@media(max-width:767px){
  .n-phead{padding:44px 0 36px;}
  .n-sec--doc{padding:40px 0 64px;}
  .n-doc dl.tbl>div{grid-template-columns:1fr;gap:4px;}
}