@charset "UTF-8";

:root{
  --ink: #2B2320;
  --ink-soft: #6B6058;
  --primary: #7C1F1F;
  --primary-dark: #5C1717;
  --primary-soft: #F5E9E5;
  --dark: #15110D;
  --cream: #F7F1E6;
  --gold: #B8935A;
  --white: #ffffff;
  --line: #E0D5C8;
  --font-heading: 'Noto Serif JP', serif;
  --font-body: 'Noto Sans JP', sans-serif;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.9;
  font-size: 15px;
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
ul{ list-style: none; margin: 0; padding: 0; }

.disclaimer-bar{
  background: var(--dark);
  color: #cfc4b8;
  text-align: center;
  font-size: 12px;
  padding: 8px 12px;
}

/* header */
.site-header{
  background: var(--dark);
  padding: 14px 20px;
  text-align: center;
}
.site-header .logo{
  font-family: var(--font-heading);
  color: var(--cream);
  font-size: 16px;
  letter-spacing: .1em;
}
.site-header .logo span{ color: var(--gold); }

/* hero */
.hero{
  position: relative;
  background: linear-gradient(rgba(21,17,13,.72), rgba(21,17,13,.82)), url('../img/hero.jpg') center/cover;
  color: var(--white);
  padding: 72px 20px 64px;
  text-align: center;
}
.hero-overline{
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: 18px;
}
.hero-title{
  font-family: var(--font-heading);
  font-size: 30px;
  line-height: 1.7;
  margin: 0 0 24px;
}
.hero-lead{
  font-size: 14px;
  color: #e6ded3;
  max-width: 560px;
  margin: 0 auto 32px;
}
.hero-course-name{
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 24px;
  letter-spacing: .1em;
  border-top: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  padding: 10px 28px;
  margin-bottom: 20px;
}
.hero-instructor{
  font-size: 13px;
  color: #cfc4b8;
  margin-bottom: 32px;
}
.hero-highlight{
  display: inline-block;
  background: var(--gold);
  color: var(--dark);
  font-size: 13px;
  font-weight: bold;
  padding: 8px 20px;
  border-radius: 3px;
  margin-bottom: 18px;
}

.btn{
  display: inline-block;
  padding: 16px 44px;
  font-size: 14px;
  font-weight: bold;
  letter-spacing: .05em;
  border-radius: 4px;
  transition: opacity .2s;
}
.btn:hover{ opacity: .85; }
.btn-line{
  background: #06C755;
  color: var(--white);
}
.btn-primary{
  background: var(--primary);
  color: var(--white);
}

/* section common */
.section{
  max-width: 1000px;
  margin: 0 auto;
  padding: 76px 24px;
}
.section-dark{
  background: var(--dark);
  color: #e6ded3;
}
.section-white{ background: var(--white); }
.section-title{
  text-align: center;
  font-family: var(--font-heading);
  font-size: 24px;
  letter-spacing: .05em;
  margin-bottom: 12px;
}
.section-title .en{
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: .25em;
  color: var(--gold);
  margin-bottom: 10px;
}
.section-lead{
  text-align: center;
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 600px;
  margin: 0 auto 48px;
}

/* checklist */
.check-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  max-width: 700px;
  margin: 0 auto;
}
.check-item{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--primary-soft);
  border-radius: 4px;
  padding: 16px 18px;
  font-size: 14px;
}
.check-item::before{
  content: "✓";
  color: var(--primary);
  font-weight: bold;
  flex-shrink: 0;
}

/* case categories */
.case-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 24px 16px;
  text-align: center;
  color: var(--ink);
}
.case-card .tag{
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .05em;
  margin-bottom: 8px;
}
.case-card .name{
  font-family: var(--font-heading);
  font-size: 15px;
  color: var(--ink);
}
.case-note{
  text-align: center;
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 24px;
}

/* video cta */
.video-box{
  display: flex;
  align-items: center;
  gap: 40px;
  background: var(--dark);
  border-radius: 4px;
  overflow: hidden;
}
.video-box-img{
  flex: 1;
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
}
.video-box-content{
  flex: 1;
  padding: 32px 40px 32px 0;
  color: var(--white);
}
.video-box-content h3{
  font-family: var(--font-heading);
  font-size: 20px;
  margin-bottom: 14px;
}
.video-box-content p{
  font-size: 13px;
  color: #cfc4b8;
  margin-bottom: 24px;
}

/* benefits */
.benefit-list{
  counter-reset: benefit;
  max-width: 720px;
  margin: 0 auto;
}
.benefit-item{
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--line);
}
.benefit-item::before{
  counter-increment: benefit;
  content: counter(benefit);
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 17px;
}
.benefit-item p{
  font-size: 15px;
  margin: 0;
}

/* method (alternating) */
.method-block{
  display: flex;
  align-items: center;
  gap: 48px;
  margin-bottom: 56px;
}
.method-block:last-child{ margin-bottom: 0; }
.method-block.is-reverse{ flex-direction: row-reverse; }
.method-block-img{ flex: 1; }
.method-block-img img{ border-radius: 4px; }
.method-block-text{ flex: 1; }
.method-block-text .step{
  font-family: var(--font-heading);
  color: var(--gold);
  font-size: 13px;
  margin-bottom: 10px;
}
.method-block-text h3{
  font-family: var(--font-heading);
  font-size: 19px;
  margin-bottom: 14px;
  color: var(--white);
}
.method-block-text p{
  font-size: 14px;
  color: #cfc4b8;
}

/* program */
.program-list{
  max-width: 700px;
  margin: 0 auto;
}
.program-item{
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.program-item .step-label{
  font-family: var(--font-heading);
  color: var(--gold);
  font-size: 13px;
}
.program-item h4{
  margin: 0 0 6px;
  font-size: 15px;
}
.program-item p{
  margin: 0;
  font-size: 13px;
  color: var(--ink-soft);
}

/* final cta */
.final-cta{
  background: linear-gradient(rgba(21,17,13,.78), rgba(21,17,13,.85)), url('../img/interior1.jpg') center/cover;
  color: var(--white);
  text-align: center;
  padding: 90px 20px;
}
.final-cta .section-title{ color: var(--white); }
.final-cta-text{
  font-size: 14px;
  color: #e6ded3;
  margin-bottom: 32px;
}

/* instructor */
.instructor-box{
  display: flex;
  gap: 40px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 36px;
}
.instructor-photo{
  width: 220px;
  flex-shrink: 0;
  border-radius: 4px;
  overflow: hidden;
}
.instructor-photo img{ aspect-ratio: 3/4; object-fit: cover; }
.instructor-name{
  font-family: var(--font-heading);
  font-size: 19px;
  margin-bottom: 6px;
}
.instructor-role{
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 16px;
}
.instructor-bio p{
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

/* footer */
.site-footer{
  text-align: center;
  padding: 32px 20px;
  background: var(--dark);
  color: #8a8074;
  font-size: 12px;
}

/* section-alt(クリーム背景、白セクションとのメリハリ用) */
.section-alt{
  background: var(--primary-soft);
}

/* 数字カウントアップ */
.stat-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-num{
  font-family: var(--font-heading);
  color: var(--gold);
  margin-bottom: 10px;
}
.stat-num .count{
  font-size: 40px;
  font-weight: bold;
}
.stat-unit{
  font-size: 14px;
  margin-left: 4px;
}
.stat-label{
  font-size: 12px;
  color: #cfc4b8;
}

/* 対応ジャンル */
.genre-list{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.genre-list li{
  background: var(--white);
  border: 1px solid var(--gold);
  color: var(--primary-dark);
  font-size: 13px;
  padding: 10px 22px;
  border-radius: 20px;
}

/* 開催概要テーブル */
.outline-table{
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  border-collapse: collapse;
}
.outline-table th, .outline-table td{
  padding: 16px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}
.outline-table th{
  width: 120px;
  color: var(--gold);
  font-family: var(--font-heading);
  font-weight: normal;
}

/* FAQアコーディオン */
.faq-list{
  max-width: 700px;
  margin: 0 auto;
}
.faq-item{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question{
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}
.faq-icon{
  flex-shrink: 0;
  color: var(--primary);
  font-size: 18px;
  transition: transform .25s;
}
.faq-item.is-open .faq-icon{ transform: rotate(45deg); }
.faq-answer{
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer p{
  margin: 0;
  padding: 0 20px 18px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* スクロール連動フェードイン */
.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* 追従CTAバー */
.sticky-cta{
  position: fixed;
  left: 0;
  right: 0;
  bottom: -100px;
  background: var(--dark);
  color: var(--white);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  z-index: 500;
  transition: bottom .3s ease;
  box-shadow: 0 -4px 16px rgba(0,0,0,.25);
}
.sticky-cta.is-visible{ bottom: 0; }
.sticky-cta-text{
  margin: 0;
  font-size: 13px;
  display: none;
}
.sticky-cta .btn{
  padding: 10px 28px;
  font-size: 13px;
}

@media screen and (max-width: 834px){
  .check-grid{ grid-template-columns: 1fr; }
  .case-grid{ grid-template-columns: 1fr; }
  .video-box{ flex-direction: column; }
  .video-box-content{ padding: 0 24px 24px; }
  .method-block, .method-block.is-reverse{ flex-direction: column; gap: 24px; }
  .instructor-box{ flex-direction: column; text-align: center; }
  .instructor-photo{ width: 180px; margin: 0 auto; }
  .hero-title{ font-size: 24px; }
  .stat-grid{ grid-template-columns: 1fr 1fr; gap: 32px 16px; }
}

@media screen and (min-width: 600px){
  .sticky-cta-text{ display: block; }
}