/* ============================================================
   Seminar LP Template (Simple) — style.css
   構成: 0.変数 / 1.リセット / 2.共通パーツ / 3.各セクション / 4.レスポンシブ
   ============================================================ */

/* ------------------------------------------------------------
   0. CSS 変数（クライアントごとにここを差し替えればリブランディング可能）
   ------------------------------------------------------------ */
:root{
  /* Brand colors */
  --c-primary:        #1a3a6c;
  --c-primary-dark:   #0f2547;
  --c-accent:         #ff6b35;
  --c-accent-dark:    #e35420;
  --c-sub:            #ffd23f;

  /* Neutral */
  --c-text:           #1a1a1a;
  --c-text-sub:       #555;
  --c-text-mute:      #888;
  --c-bg:             #ffffff;
  --c-bg-alt:         #f5f7fb;
  --c-border:         #e2e6ee;

  /* Sizing */
  --container:        1080px;
  --container-narrow: 760px;
  --radius:           12px;
  --radius-lg:        20px;

  /* Shadows */
  --shadow-sm: 0 2px 6px rgba(20,30,60,.08);
  --shadow:    0 8px 24px rgba(20,30,60,.10);
  --shadow-lg: 0 16px 40px rgba(20,30,60,.14);

  /* Type */
  --ff-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
             "Hiragino Sans", Meiryo, sans-serif;

  /* Easing */
  --ease: cubic-bezier(.2,.8,.2,1);
}

/* ------------------------------------------------------------
   1. リセット
   ------------------------------------------------------------ */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--ff-sans);
  font-weight:500;
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.75;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img,svg{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p,figure,dl,dd{ margin:0; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
input,select,textarea{ font:inherit; color:inherit; }

/* ------------------------------------------------------------
   2. 共通パーツ
   ------------------------------------------------------------ */
.container{
  width:min(100% - 32px, var(--container));
  margin-inline:auto;
}
.container--narrow{
  width:min(100% - 32px, var(--container-narrow));
  margin-inline:auto;
}
.section{ padding:72px 0; }

.sp-only{ display:none; }
@media (max-width:767px){
  .sp-only{ display:inline; }
  .section{ padding:48px 0; }
}

/* 見出し共通 */
.sec-head{
  font-size:clamp(22px, 3vw, 32px);
  font-weight:900;
  line-height:1.4;
  text-align:center;
  margin-bottom:48px;
  color:var(--c-primary);
  letter-spacing:.04em;
}
.sec-head__kicker{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.3em;
  color:var(--c-accent);
  margin-bottom:8px;
}
.sec-head--white{ color:#fff; }
.sec-head--white .sec-head__kicker{ color:var(--c-sub); }

/* CTA ボタン */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:14px 24px;
  border-radius:999px;
  font-weight:700;
  text-align:center;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn--cta{
  background:linear-gradient(180deg,#ff834d,var(--c-accent));
  color:#fff;
  box-shadow:0 6px 0 var(--c-accent-dark), 0 12px 24px rgba(255,107,53,.35);
}
.btn--cta::after{
  content:"▶";
  font-size:.7em;
  margin-left:.4em;
}
.btn--cta:hover{ transform:translateY(-2px); box-shadow:0 8px 0 var(--c-accent-dark), 0 16px 32px rgba(255,107,53,.45); }
.btn--cta:active{ transform:translateY(2px); box-shadow:0 2px 0 var(--c-accent-dark), 0 4px 8px rgba(255,107,53,.4); }
.btn--white{
  background:#fff;
  color:var(--c-primary);
  box-shadow:0 6px 0 rgba(0,0,0,.18), 0 12px 28px rgba(0,0,0,.22);
  font-size:20px;
}
.btn--white::after{
  content:"▶";
  font-size:.7em;
  margin-left:.4em;
}
.btn--white:hover{ transform:translateY(-2px); box-shadow:0 8px 0 rgba(0,0,0,.22), 0 16px 36px rgba(0,0,0,.28); }
.btn--white:active{ transform:translateY(2px); box-shadow:0 2px 0 rgba(0,0,0,.18), 0 4px 10px rgba(0,0,0,.2); }
.btn--xl{ padding:20px 40px; font-size:18px; min-width:280px; }
.btn--disabled{ opacity:.5; pointer-events:none; box-shadow:none; }
.btn--disabled::after{ content:none; }

.cta-block{ text-align:center; margin-top:48px; }

/* スクロールフェードイン */
.fade{ opacity:0; transform:translateY(20px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.fade.is-in{ opacity:1; transform:none; }


/* ------------------------------------------------------------
   3-0. グローバルナビ
   ------------------------------------------------------------ */
.gnav{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-border);
}
.gnav__inner{
  width:min(100% - 32px, var(--container));
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:16px;
  height:60px;
}
.gnav__logo{
  font-weight:900;
  color:var(--c-primary);
  font-size:16px;
  letter-spacing:.03em;
  flex-shrink:0;
}
.gnav__menu{
  display:flex;
  gap:20px;
  margin-left:auto;
  font-size:13px;
  font-weight:700;
}
.gnav__menu a{ color:var(--c-text-sub); transition:color .2s; }
.gnav__menu a:hover{ color:var(--c-accent); }
.gnav__cta{ padding:9px 18px; font-size:13px; flex-shrink:0; }
.gnav__toggle{ display:none; }
.gnav__drawer{ display:none; }

@media (max-width:767px){
  .gnav__menu, .gnav__cta{ display:none; }
  .gnav__toggle{
    display:flex; flex-direction:column; gap:5px;
    width:32px; height:32px; margin-left:auto;
    justify-content:center; align-items:center;
  }
  .gnav__toggle span{
    display:block; width:24px; height:2px; background:var(--c-primary);
    border-radius:2px; transition:transform .25s var(--ease), opacity .2s;
  }
  .gnav.is-open .gnav__toggle span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .gnav.is-open .gnav__toggle span:nth-child(2){ opacity:0; }
  .gnav.is-open .gnav__toggle span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

  .gnav__drawer{
    display:flex; flex-direction:column;
    background:#fff;
    border-top:1px solid var(--c-border);
    padding:16px;
  }
  .gnav__drawer[hidden]{ display:none; }
  .gnav__drawer a{
    padding:14px 4px;
    border-bottom:1px solid var(--c-border);
    font-weight:700;
    color:var(--c-text);
  }
  .gnav__drawer .btn{ margin-top:16px; }
}


/* ------------------------------------------------------------
   3-1. ファーストビュー
   ------------------------------------------------------------ */
.fv{
  padding:64px 0 72px;
  color:#fff;
  background:
    radial-gradient(ellipse at top right, rgba(255,210,63,.18), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(255,107,53,.20), transparent 55%),
    linear-gradient(rgba(15,37,71,.72), rgba(15,37,71,.72)),
    url("../img/FV.jpg") center / cover no-repeat;
  position:relative;
  overflow:hidden;
}
.fv__inner{
  position:relative;
  width:min(100% - 32px, var(--container));
  margin-inline:auto;
  text-align:center;
}
.fv__tags{
  display:flex; flex-wrap:wrap; justify-content:center; gap:8px;
  margin-bottom:20px;
}
.tag{
  display:inline-block;
  background:var(--c-sub);
  color:var(--c-primary-dark);
  font-size:13px; font-weight:900;
  padding:4px 14px; border-radius:999px;
  letter-spacing:.05em;
}
.fv__target{
  display:inline-block;
  border:1px solid rgba(255,255,255,.4);
  padding:6px 18px;
  border-radius:999px;
  font-size:14px;
  margin-bottom:20px;
  letter-spacing:.05em;
}
.fv__head{
  font-size:clamp(26px, 4.5vw, 48px);
  font-weight:900;
  line-height:1.35;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.fv__head-em{
  display:inline-block;
  background:linear-gradient(transparent 65%, var(--c-sub) 65%);
  padding:0 .2em;
}
.fv__head-sub{
  display:block;
  font-size:clamp(14px, 2vw, 18px);
  font-weight:700;
  letter-spacing:.03em;
  margin-top:14px;
  opacity:.92;
}
.fv__sub{
  font-size:clamp(14px, 1.8vw, 17px);
  opacity:.9;
  margin-bottom:32px;
  line-height:1.8;
}

/* 日程・会場・参加費のハイライトボックス */
.fv__event-box{
  display:inline-block;
  background:rgba(255,255,255,.12);
  backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.25);
  border-radius:var(--radius);
  padding:20px 32px;
  margin-bottom:36px;
  text-align:left;
}
.fv__event-list{
  display:grid;
  gap:10px;
}
.fv__event-list > div{
  display:grid;
  grid-template-columns:48px 1fr;
  gap:8px;
  align-items:baseline;
  font-size:15px;
}
.fv__event-list dt{
  font-size:12px;
  font-weight:900;
  letter-spacing:.1em;
  opacity:.75;
  padding-top:.2em;
}
.fv__event-list dd{
  margin:0;
  font-weight:700;
  line-height:1.6;
}
.fv__event-list dd strong{
  color:var(--c-sub);
  font-size:18px;
}

.fv__cta-note{ font-size:13px; opacity:.8; margin-top:12px; }

@media (max-width:599px){
  .fv__event-box{ padding:16px 20px; display:block; }
  .fv__event-list > div{ grid-template-columns:40px 1fr; font-size:14px; }
}


/* ------------------------------------------------------------
   3-2. セミナー概要（ボディコピー + 開催概要）
   ------------------------------------------------------------ */
.section--body{ background:var(--c-bg-alt); }

.body-copy{
  max-width:720px;
  margin:0 auto 48px;
  display:grid;
  gap:20px;
  font-size:16px;
  line-height:2;
  color:var(--c-text-sub);
}

.info{
  max-width:760px; margin:0 auto;
  background:#fff;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.info__row{
  display:grid;
  grid-template-columns:140px 1fr;
  border-bottom:1px solid var(--c-border);
}
.info__row:last-child{ border-bottom:0; }
.info__row dt{
  background:var(--c-primary);
  color:#fff;
  padding:16px 20px;
  font-weight:700;
  font-size:14px;
  letter-spacing:.08em;
}
.info__row dd{
  margin:0;
  padding:16px 20px;
  font-size:15px;
  line-height:1.8;
}
.info__row dd strong{ color:var(--c-accent); font-size:18px; }
.info__title{ display:flex; flex-direction:column; gap:10px; }
.info__title-main{
  font-weight:900;
  font-size:16px;
  line-height:1.7;
  color:var(--c-text);
}
.info__title-sub{
  display:block;
  font-weight:700;
  font-size:13px;
  line-height:1.6;
  color:var(--c-text-mute);
}
.info__dates{ display:grid; gap:6px; }
.info__dates li::before{ content:"📅 "; }
.info__note{ font-size:12px; color:var(--c-text-mute); margin-top:8px; }

@media (max-width:599px){
  .info__row{ grid-template-columns:1fr; }
  .info__row dt{ padding:10px 16px; }
}


/* ------------------------------------------------------------
   3-3. セミナー内容
   ------------------------------------------------------------ */
.section--content{ background:#fff; }

.content-list{
  width:100%;
  display:grid;
  gap:12px;
}
.content-list li{
  background:var(--c-bg-alt);
  border-left:4px solid var(--c-accent);
  padding:16px 20px 16px 52px;
  position:relative;
  border-radius:8px;
  font-size:16px;
  font-weight:500;
  line-height:1.7;
}
.content-list li::before{
  content:"✓";
  position:absolute;
  left:18px; top:50%; transform:translateY(-50%);
  font-size:18px; font-weight:900;
  color:var(--c-accent);
}


/* ------------------------------------------------------------
   3-4. 会社紹介
   ------------------------------------------------------------ */
.section--company{ background:#fff; }

.company{
  display:grid;
  grid-template-columns:260px 1fr;
  gap:48px;
  max-width:880px;
  margin:0 auto;
  align-items:start;
}
/* 左カラム：企業ロゴ */
.company__logo-col{
  display:flex;
  align-items:center;
  justify-content:center;
}
.company__logo-col img{
  width:100%;
  max-width:240px;
  height:auto;
}
.company__role{
  font-size:13px;
  font-weight:700;
  color:var(--c-text-mute);
  letter-spacing:.05em;
  margin-bottom:4px;
}
.company__name{
  font-size:24px;
  font-weight:900;
  color:var(--c-primary);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.company__desc{
  font-size:15px;
  line-height:1.9;
  color:var(--c-text-sub);
  margin-bottom:20px;
}
.company__points{
  display:grid; gap:10px;
}
.company__points li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  line-height:1.8;
}
.company__points li::before{
  content:"▶";
  position:absolute; left:0; top:0;
  color:var(--c-accent);
  font-size:12px;
}

@media (max-width:767px){
  .company{ grid-template-columns:1fr; gap:24px; }
  .company__logo-col img{ max-width:180px; }
}


/* ------------------------------------------------------------
   3-5. 申し込みフォーム
   ------------------------------------------------------------ */
.section--apply{
  background:linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color:#fff;
  position:relative;
}
.section--apply::before{
  content:""; position:absolute; inset:0;
  background-image:
    radial-gradient(ellipse at top right, rgba(255,210,63,.10), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(255,107,53,.12), transparent 55%);
  pointer-events:none;
}
.apply__lead{
  text-align:center;
  margin-bottom:40px;
  opacity:.9;
  font-size:16px;
  line-height:1.9;
  position:relative;
}
.apply__btn-wrap{
  text-align:center;
  position:relative;
}
.apply__note{
  text-align:center;
  font-size:13px;
  opacity:.75;
  margin-top:16px;
}


/* ------------------------------------------------------------
   3-6. フッター
   ------------------------------------------------------------ */
.footer{
  background:#0b1a30;
  color:rgba(255,255,255,.85);
  padding:40px 0 28px;
  font-size:13px;
}
.footer__info{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));
  gap:16px;
  margin-bottom:24px;
  padding-bottom:24px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer__info dt{
  font-size:11px;
  letter-spacing:.2em;
  color:rgba(255,255,255,.5);
  margin-bottom:4px;
}
.footer__info dd{ margin:0; line-height:1.7; }
.footer__links{
  display:flex; flex-wrap:wrap; gap:12px 20px;
  margin-bottom:20px;
}
.footer__links a{
  color:rgba(255,255,255,.85);
  text-decoration:underline;
  text-underline-offset:3px;
}
.footer__links a:hover{ color:var(--c-sub); }
.footer__copy{
  text-align:center;
  font-size:11px;
  color:rgba(255,255,255,.5);
  letter-spacing:.05em;
}


/* ------------------------------------------------------------
   スマホ固定フッターCTA
   ------------------------------------------------------------ */
.fixed-cta{
  position:fixed;
  left:50%; bottom:0;
  transform:translateX(-50%);
  width:min(100% - 16px, 480px);
  margin-bottom:8px;
  background:linear-gradient(180deg,#ff834d,var(--c-accent));
  color:#fff;
  text-align:center;
  font-weight:900;
  font-size:15px;
  padding:14px 16px;
  border-radius:999px;
  box-shadow:0 6px 0 var(--c-accent-dark), 0 12px 24px rgba(0,0,0,.3);
  z-index:90;
  display:none;
}
.fixed-cta::after{
  content:"▶";
  margin-left:.4em;
  font-size:.8em;
}
@media (max-width:767px){
  .fixed-cta{ display:block; }
  body{ padding-bottom:80px; }
}


/* ------------------------------------------------------------
   3-3b. 当日のスケジュール（タイムライン）
   ------------------------------------------------------------ */
.section--schedule{ background:var(--c-bg-alt); }

.schedule{
  max-width:760px;
  margin:0 auto;
  display:grid;
  gap:20px;
}
.schedule__item{
  position:relative;
  background:#fff;
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  border-left:4px solid var(--c-primary);
  padding:24px 28px;
}
.schedule__item--lunch{ border-left-color:var(--c-accent); }

.schedule__head{
  display:flex;
  align-items:baseline;
  flex-wrap:wrap;
  gap:12px 16px;
  margin-bottom:12px;
}
.schedule__time{
  font-size:14px;
  font-weight:900;
  color:var(--c-primary);
  letter-spacing:.04em;
}
.schedule__item--lunch .schedule__time{ color:var(--c-accent-dark); }

.schedule__label{
  display:inline-block;
  background:var(--c-primary);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:3px 12px;
  border-radius:999px;
  letter-spacing:.06em;
}
.schedule__item--lunch .schedule__label{ background:var(--c-accent); }

.schedule__title{
  width:100%;
  font-size:16px;
  font-weight:900;
  color:var(--c-text);
  line-height:1.6;
}

.schedule__speaker{
  font-size:14px;
  font-weight:700;
  color:var(--c-text-sub);
  margin-bottom:12px;
}

.schedule__points{
  display:grid;
  gap:6px;
}
.schedule__points li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  line-height:1.7;
  color:var(--c-text-sub);
}
.schedule__points li::before{
  content:"・";
  position:absolute;
  left:0;
  color:var(--c-accent);
  font-weight:900;
}

@media (max-width:599px){
  .schedule__item{ padding:18px 18px; }
  .schedule__title{ font-size:15px; }
}


/* ------------------------------------------------------------
   3-3c. 主催企業
   ------------------------------------------------------------ */
.section--organizer{ background:#fff; }

.organizer{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:40px;
  max-width:820px;
  margin:0 auto;
  align-items:center;
}
.organizer__logo-col{
  display:flex;
  align-items:center;
  justify-content:center;
}
.organizer__logo{
  max-width:220px;
  width:100%;
}
.organizer__name{
  font-size:20px;
  font-weight:900;
  color:var(--c-primary);
  letter-spacing:.04em;
  margin-bottom:6px;
}
.organizer__tagline{
  font-size:14px;
  font-weight:700;
  color:var(--c-accent);
  letter-spacing:.04em;
  margin-bottom:14px;
}
.organizer__desc{
  font-size:14.5px;
  line-height:1.9;
  color:var(--c-text-sub);
  text-align:left;
}
.organizer__desc p{ margin-bottom:14px; }
.organizer__desc p:last-child{ margin-bottom:0; }

@media (max-width:767px){
  .organizer{ grid-template-columns:1fr; gap:24px; text-align:center; }
  .organizer__desc{ text-align:left; }
  .organizer__logo{ max-width:200px; margin:0 auto; }
}


/* ------------------------------------------------------------
   3-3d. 講師紹介
   ------------------------------------------------------------ */
.section--speaker{ background:var(--c-bg-alt); }

.speaker{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:40px;
  max-width:820px;
  margin:0 auto;
  align-items:start;
}
.speaker__photo-col img{
  width:100%;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.speaker__role{
  font-size:13px;
  font-weight:700;
  color:var(--c-text-mute);
  letter-spacing:.05em;
  margin-bottom:4px;
}
.speaker__name{
  font-size:22px;
  font-weight:900;
  color:var(--c-primary);
  margin-bottom:20px;
  letter-spacing:.04em;
}
.speaker__msg-head{
  font-size:13px;
  font-weight:900;
  color:var(--c-accent-dark);
  letter-spacing:.03em;
  margin-bottom:14px;
}
.speaker__desc{
  font-size:14.5px;
  line-height:1.9;
  color:var(--c-text-sub);
}
.speaker__desc p{ margin-bottom:14px; }
.speaker__desc p:last-child{ margin-bottom:0; }

@media (max-width:767px){
  .speaker{ grid-template-columns:1fr; gap:24px; }
  .speaker__photo-col img{ max-width:200px; margin:0 auto; }
}


/* ------------------------------------------------------------
   4. レスポンシブ調整（その他）
   ------------------------------------------------------------ */
@media (max-width:767px){
  .btn--xl{ width:100%; max-width:360px; min-width:0; padding:18px 20px; font-size:16px; }
}

@media print{
  .gnav, .fixed-cta, .form__submit{ display:none !important; }
  .section{ padding:24px 0; break-inside:avoid; }
}