/* =========================================================
   酸素のようなお金2days（11月）フロントセミナー LP
   元デザイン：Claude Design「LPサイト3案比較」LP.dc.html（2026-10-26 handoff）
   色：DESIGN_7 LANDIC（#E6EAEB / #222 / #040732）＋ヒーローの濃紺×金
   フォント・サイズ：過去LPのハウススタイル（Shippori Mincho / Cormorant Garamond / Cinzel）
   ========================================================= */

:root{
  --paper:#E6EAEB; --ink:#222; --text:#3A3A3B; --aux:#5F6366; --navy:#040732;
  --line:rgba(34,34,34,.2); --rule:rgba(34,34,34,.3);
  --hero:#0B1426; --gold:#D9B979; --gold-txt:#E9D3A1;
  --dark:#222; --dark-ink:#E6EAEB;
  --ff-mincho:'Shippori Mincho','Hiragino Mincho ProN','Yu Mincho',serif;
  --ff-latin:'Cormorant Garamond','Shippori Mincho',serif;
  --ff-caps:'Cinzel','Cormorant Garamond',serif;
  --pad-x:max(20px,2.08vw);
  --sec-y:clamp(80px,12.5vw,180px);
  --h2:clamp(24px,2.6vw,36px);
  --ease:cubic-bezier(.215,.61,.355,1);
  --ease-btn:cubic-bezier(.25,1,.5,1);
  --header-h:59px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:var(--ff-mincho);font-weight:400;
  font-size:16px;line-height:2.05;letter-spacing:.03em;
  overflow-x:clip;-webkit-font-smoothing:antialiased;
  word-break:keep-all;overflow-wrap:anywhere;line-break:strict; /* 改行は文節（<wbr>）か句読点の後だけ */
}
p,h1,h2,h3,dl,dd,ol,ul{margin:0;padding:0}
ol,ul{list-style:none}
p,h1,h2,h3{text-wrap:pretty}
img{display:block;max-width:100%}
a{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
a:hover{color:var(--navy)}
strong{font-weight:500}
.nw{display:inline-block}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
[id]{scroll-margin-top:var(--header-h)}

/* --- 小さな部品 --- */
.rule{display:block;width:16px;height:1px;background:var(--rule);margin-bottom:40px}
.rule--light{background:rgba(230,234,235,.4)}
.rule--white{background:rgba(255,255,255,.6)}
.label{font-family:var(--ff-latin);font-size:18px;line-height:1.6;letter-spacing:.04em;color:var(--ink)}
.label i{font-style:italic;margin-right:.6em}
.label--light{color:inherit}
.no{flex:none;white-space:nowrap;font-family:var(--ff-latin);font-style:italic;font-size:17px;line-height:1.9;color:var(--ink);font-variant-numeric:lining-nums}
.h2{font-size:var(--h2);line-height:1.8;letter-spacing:.06em;font-weight:500;color:var(--ink);margin-bottom:clamp(40px,6vw,96px)}
.sec--dark .h2{color:inherit}
.prose{font-size:16px;line-height:2.05;letter-spacing:.03em}
.prose + .prose{margin-top:1.4em}
.note{margin-top:24px;font-size:14px;color:var(--aux)}

/* --- ボタン --- */
.btn{
  display:inline-flex;align-items:center;justify-content:space-between;gap:24px;
  text-decoration:none;letter-spacing:.12em;line-height:1.6;white-space:nowrap;
  transition:background .4s var(--ease-btn),color .4s var(--ease-btn);
}
.btn__chip{width:20px;height:20px;flex:none;display:flex;align-items:center;justify-content:center;font-size:11px;line-height:1;background:#fff;color:var(--ink);letter-spacing:0}
.btn__chip--dark{background:var(--ink);color:#fff}
.btn__chip--light{background:#fff;color:var(--ink)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--navy);color:#fff}
.btn--sm{font-size:13px;padding:8px 8px 8px 14px;gap:16px}
.btn--lg{display:flex;font-size:16px;padding:22px 22px 22px 30px}
.btn--white{align-self:flex-start;background:#fff;color:var(--ink);font-size:15px;padding:18px 20px 18px 26px;min-width:260px;text-shadow:none}
.btn--white:hover{background:var(--paper);color:var(--ink)}
.btn:focus-visible,.hero__btn:focus-visible,.follow:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* 矢印（線＋くの字） */
.arrow-line{display:flex;align-items:center;flex:none;width:44px}
.arrow-line::before{content:"";flex:1;height:1px;background:currentColor}
.arrow-line::after{content:"";width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg);margin-left:-6px}

/* =========================================================
   HERO：バナー1枚（16:9 を切らずに全体表示）
   ========================================================= */
.hero{background:var(--hero);display:flex;flex-direction:column;align-items:center;padding-bottom:clamp(36px,4vw,56px)}
.hero picture{display:block;width:100%;max-width:1920px}
.hero__img{width:100%;height:auto;aspect-ratio:1672/941}
.hero__btn{
  margin:clamp(28px,3.4vw,48px) var(--pad-x) 0;
  display:flex;align-items:center;gap:clamp(20px,2.4vw,36px);
  width:min(100% - 40px,460px);
  background:rgba(11,20,38,.4);color:var(--gold-txt);text-decoration:none;
  border:1px solid rgba(217,185,121,.65);padding:22px 28px 22px 32px;
  transition:background .5s var(--ease-btn),color .5s var(--ease-btn),border-color .5s;
}
.hero__btn:hover{background:var(--gold);color:var(--hero);border-color:var(--gold)}
.hero__btn-txt{display:flex;flex-direction:column;gap:6px;flex:1;min-width:0}
.hero__btn-en{font-family:var(--ff-caps);font-size:12px;letter-spacing:.28em;line-height:1.4;opacity:.85;white-space:nowrap}
.hero__btn-ja{font-size:18px;letter-spacing:.18em;font-weight:500;line-height:1.6}

/* =========================================================
   HEADER（追従）
   ========================================================= */
.header{
  position:sticky;top:0;z-index:20;height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 var(--pad-x);background:var(--paper);border-bottom:1px solid var(--line);
}
.header__brand{display:flex;align-items:baseline;gap:16px;min-width:0;overflow:hidden}
.header__logo{font-family:var(--ff-latin);font-size:24px;font-weight:500;line-height:1;color:var(--navy);letter-spacing:.02em;white-space:nowrap}
.header__tag{font-family:var(--ff-caps);font-size:12px;letter-spacing:.2em;color:var(--aux);white-space:nowrap}
.header__right{display:flex;align-items:center;gap:32px;min-width:0}
.header__info{font-size:14px;letter-spacing:.06em;color:var(--ink);white-space:nowrap;font-variant-numeric:lining-nums}

/* =========================================================
   (01)(02) 写真と詩の2カラム
   ========================================================= */
.split{display:grid;grid-template-columns:1fr 1fr}
.split--america{margin-top:var(--sec-y)}
.split__img img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover}
.split__txt{display:flex;flex-direction:column;justify-content:flex-end;padding:80px var(--pad-x) 60px clamp(24px,8.3vw,120px)}
.split--question .split__txt{padding-left:clamp(24px,16.6vw,240px)}
.split__txt .label{margin-bottom:48px}
.poem{font-size:clamp(16px,1.4vw,20px);line-height:2.4;letter-spacing:.08em;color:var(--ink)}

/* =========================================================
   全幅の写真帯（Why Now / Closing）
   ========================================================= */
.band{position:relative;display:flex;overflow:hidden;color:#fff}
.band--why{margin-top:var(--sec-y);margin-left:var(--pad-x);min-height:min(56.25vw,820px);align-items:center;background:#d9c39a}
.band--closing{min-height:min(56.25vw,900px);align-items:flex-start;background:#c9a56e}
.band__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band--why .band__img{object-position:right center}
.band--closing .band__img{object-position:right bottom}
.band__shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,20,20,.58) 0%,rgba(20,20,20,.28) 45%,rgba(20,20,20,.04) 100%)}
.band__txt{position:relative;max-width:64%;padding:clamp(64px,8vw,120px) var(--pad-x) clamp(64px,8vw,120px) clamp(24px,8.3vw,120px);text-shadow:0 1px 24px rgba(20,20,20,.3)}
.band__txt .label{margin-bottom:32px}
.band__txt--closing{display:flex;flex-direction:column;gap:40px}
.band__txt--closing .label{margin-bottom:0}
.band__title{font-size:clamp(30px,3.9vw,56px);line-height:1.45;letter-spacing:.04em;font-weight:500;margin-bottom:40px}
.band__title--closing{font-size:clamp(30px,3.9vw,56px);margin-bottom:0}
.band__body{font-size:clamp(16px,1.35vw,19px);line-height:2.4;letter-spacing:.08em}

/* =========================================================
   見出し列＋本文列のセクション（3:9）
   ========================================================= */
.sec{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,9fr);column-gap:24px;row-gap:40px;padding:var(--sec-y) var(--pad-x) 0}
.sec--last{padding-bottom:var(--sec-y)}
.sec__sticky{position:sticky;top:calc(var(--header-h) + 60px)}
.sec--dark{margin-top:var(--sec-y);padding-bottom:clamp(80px,11vw,160px);padding-top:clamp(80px,11vw,160px);background:var(--dark);color:var(--dark-ink)}
.sec--dark .prose{color:var(--dark-ink)}

/* ゲシェ・マイケル */
.geshe{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,5vw,96px);align-items:end}
.geshe .h2{margin-bottom:clamp(36px,4.4vw,64px)}
.geshe__img{justify-self:end;width:100%;max-width:440px}
.geshe__img img{width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;object-position:center top}

/* 当日の内容 */
.agenda{border-top:1px solid var(--line)}
.agenda__item{display:grid;grid-template-columns:3.5em minmax(0,1fr) minmax(0,1fr);column-gap:24px;row-gap:6px;padding:22px 0 26px;border-bottom:1px solid var(--line);transition:background .3s}
.agenda__item:hover{background:rgba(34,34,34,.04)}
.agenda__item .no{padding-top:3px}
.agenda__title{font-size:clamp(18px,1.5vw,21px);line-height:1.75;letter-spacing:.05em;font-weight:500;color:var(--ink)}
.agenda__note{font-size:15px;line-height:1.95;padding-top:3px}

/* こんな方に */
.foryou{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}
.foryou li{display:flex;gap:20px;padding:22px 0 26px;border-top:1px solid var(--line)}
.foryou p{font-size:17px;line-height:1.9;letter-spacing:.04em;color:var(--ink)}
.foryou .no{padding-top:1px}

/* 講師 */
.teachers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(24px,3vw,48px);row-gap:64px}
.teacher__img{background:#d8dddf;overflow:hidden}
.teacher__img img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover}
.pos-torii{object-position:center 25%}
.pos-kentaro{object-position:center 30%}
.teacher__latin{margin-top:24px;font-family:var(--ff-latin);font-size:17px;color:var(--ink)}
.teacher__latin i{margin-right:.6em}
.teacher__name{margin-top:6px;font-size:clamp(21px,1.8vw,26px);line-height:1.6;letter-spacing:.08em;font-weight:500;color:var(--ink)}
.teacher__role{margin-top:4px;font-size:14px;color:var(--aux);letter-spacing:.06em}
.teacher__body{margin-top:20px;font-size:15px;line-height:2;letter-spacing:.03em}
.teacher__body + .teacher__body{margin-top:14px}

/* 開催情報 */
.info{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);column-gap:clamp(24px,5vw,96px);row-gap:48px;align-items:start}
.dl{display:grid;grid-template-columns:7em minmax(0,1fr);font-size:16px;line-height:1.9;border-top:1px solid var(--line)}
.dl dt,.dl dd{padding:20px 0 24px;border-bottom:1px solid var(--line)}
.dl dt{color:var(--aux);font-size:15px}
.dl dd{margin:0;color:var(--ink);font-variant-numeric:lining-nums}
.dl__sub{color:var(--text);font-size:15px}
.dl__note{font-size:14px;color:var(--aux)}
.price{display:flex;flex-direction:column;gap:32px}
.price__row{display:flex;align-items:baseline;justify-content:space-between;gap:24px;padding:36px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.price__label{font-size:15px;color:var(--aux)}
.price__val{font-size:clamp(30px,2.8vw,40px);letter-spacing:.12em;color:var(--ink);font-weight:500;line-height:1.2}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{padding:60px var(--pad-x) 120px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:32px}
.footer__brand{display:flex;flex-direction:column;gap:12px}
.footer__logo{font-family:var(--ff-latin);font-size:28px;font-weight:500;line-height:1;color:var(--navy)}
.footer__org{font-size:14px;color:var(--aux)}
.footer__nav{display:flex;flex-wrap:wrap;gap:32px;align-items:center;font-size:14px}
.footer__copy{font-family:var(--ff-caps);font-size:12px;letter-spacing:.2em;color:var(--aux)}

/* =========================================================
   追従の申込（PCはヘッダーにボタンがあるので出さない／スマホだけ画面下バー）
   ========================================================= */
.follow{display:none}

/* --- scroll reveal（表示側のセレクタを必ず強くする） --- */
.js [data-anim]{opacity:0;transform:translateY(24px);transition:opacity 1.2s var(--ease),transform 1.2s var(--ease)}
.js [data-anim].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js [data-anim]{opacity:1;transform:none;transition:none}
}

/* =========================================================
   タブレット（〜1024px）
   ========================================================= */
@media (max-width:1024px){
  .header__info{display:none}
  .split__txt,.split--question .split__txt{padding-left:clamp(24px,5vw,64px)}
  .band__txt{max-width:78%}
  .agenda__item{grid-template-columns:3em minmax(0,1fr)}
  .agenda__note{grid-column:2}
  .info{grid-template-columns:1fr}
  .price{max-width:520px}
}

/* =========================================================
   スマホ（〜767px）：1カラム・見出しラベルは上に横書き・画面下に申込バー
   ========================================================= */
@media (max-width:767px){
  body{font-size:15px}
  :root{--sec-y:96px}
  .pc{display:none}

  .hero{padding-bottom:32px}
  .hero__btn{margin-top:28px;padding:18px 22px 18px 24px}
  .hero__btn-en{font-size:10px;letter-spacing:.18em}
  .hero__btn-ja{font-size:17px;letter-spacing:.14em}

  .header{display:none}
  [id]{scroll-margin-top:0}

  .split{grid-template-columns:1fr}
  .split--america{margin-top:var(--sec-y)}
  .split__img img{aspect-ratio:4/5}
  .split__txt,.split--question .split__txt{padding:56px 20px 64px}
  .split--question .split__img{order:2}
  .split__txt .label{margin-bottom:32px}
  .rule{margin-bottom:28px}
  .poem{font-size:16px;line-height:2.25;letter-spacing:.05em}

  .band--why{margin-left:0;min-height:600px}
  .band--closing{min-height:680px}
  .band--why .band__img{object-position:75% center}
  .band--closing .band__img{object-position:96% 70%}
  .band__shade{background:linear-gradient(90deg,rgba(20,20,20,.68) 0%,rgba(20,20,20,.32) 100%)}
  .band--closing .band__shade{background:linear-gradient(180deg,rgba(20,20,20,.62) 0%,rgba(20,20,20,.42) 55%,rgba(20,20,20,.18) 100%)}
  .band__txt{max-width:100%;padding:72px 20px}
  .band__title{font-size:30px;margin-bottom:32px}
  .band__title--closing{font-size:clamp(24px,6.9vw,30px);margin-bottom:0}
  .band__body{font-size:15px;line-height:2.2;letter-spacing:.05em}
  .band__txt--closing{gap:32px}
  .btn--white{align-self:stretch;min-width:0;padding:18px 20px 18px 24px}

  .sec{grid-template-columns:1fr;row-gap:20px;padding:var(--sec-y) 20px 0}
  .sec--last{padding-bottom:var(--sec-y)}
  .sec--dark{padding-top:80px;padding-bottom:88px}
  .sec__head .rule{display:none}
  .sec__sticky{position:static}
  .label{font-size:17px}
  .h2{font-size:24px;line-height:1.75;margin-bottom:40px}

  .geshe{grid-template-columns:1fr;gap:48px}
  .geshe .h2{margin-bottom:32px}
  .geshe__img{justify-self:center;max-width:360px}
  .prose{font-size:15px}

  .agenda__item{grid-template-columns:2.6em minmax(0,1fr);column-gap:12px;padding:20px 0 24px}
  .agenda__title{font-size:17px}
  .agenda__note{font-size:14px}

  .foryou{grid-template-columns:1fr}
  .foryou li{gap:14px;padding:18px 0 20px}
  .foryou p{font-size:16px}

  .teachers{grid-template-columns:1fr;row-gap:56px}
  .teacher__body{font-size:15px}

  .dl{grid-template-columns:5.6em minmax(0,1fr);font-size:15px}
  .dl dt{font-size:14px}
  .price{max-width:none}
  .price__row{padding:28px 0}
  .btn--lg{font-size:16px;padding:20px 20px 20px 24px}

  .footer{flex-direction:column;align-items:flex-start;padding:56px 20px calc(120px + env(safe-area-inset-bottom))}
  .footer__nav{gap:20px 28px}

  /* 申込バー：画面下いっぱい（ヒーローを過ぎたら出す・開催情報とクロージングでは隠す） */
  .follow{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    position:fixed;left:0;right:0;bottom:0;z-index:30;
    padding:10px 20px calc(12px + env(safe-area-inset-bottom));
    background:rgba(230,234,235,.96);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
    border-top:1px solid var(--line);text-decoration:none;color:var(--ink);
    transform:translateY(110%);transition:transform .5s var(--ease);
  }
  .follow.is-show{transform:none}
  .follow__date{font-size:12px;letter-spacing:.06em;color:var(--aux);text-align:center;line-height:1.5}
  .follow__btn{display:flex;align-items:center;justify-content:space-between;background:var(--ink);color:#fff;font-size:15px;letter-spacing:.12em;line-height:1.6;padding:14px 16px 14px 22px}
}

/* 本文を原稿v4の長さに戻したときの追加（2026-10-26） */
.h2--split{font-size:clamp(22px,2vw,30px);margin-bottom:40px}
.poem .em,.poem strong{color:var(--ink);font-weight:500;background:linear-gradient(transparent 62%,rgba(217,185,121,.35) 62%)}
.split__txt{justify-content:center}
.why .poem + .poem,.why .poem + .why__voice,.why__voice + .poem{margin-top:56px}
.why__voice{padding:40px clamp(24px,4vw,56px);background:#E6EAEB;border-left:2px solid #D9B979}
.why__quote{margin-top:28px;font-size:clamp(18px,1.6vw,22px);line-height:2;letter-spacing:.06em;color:var(--ink)}
@media (max-width:767px){
  .h2--split{font-size:21px;margin-bottom:28px}
  .why .poem + .poem,.why .poem + .why__voice,.why__voice + .poem{margin-top:40px}
  .why__voice{padding:28px 20px}
  .why__quote{font-size:17px}
}
/* PC：文章が写真より長いので、写真をスクロールに追従させて空白を出さない */
@media (min-width:768px){
  .split{align-items:start}
  .split__img{position:sticky;top:var(--header-h)}
}

/* スマホは縦長バナー（4:5）に差し替え（2026-10-26） */
@media (max-width:767px){
  .hero__img{aspect-ratio:1122/1402}
}
