:root{
  --base: #FAFAF8;
  --base-soft: #EFF6F1;
  --ink: #1C1C1C;
  --ink-soft: #55605A;
  --green: #0E9A2E;
  --green-deep: #0B7A25;
  --line: rgba(28,28,28,0.1);
  --shadow: 0 1px 2px rgba(0,0,0,0.06);
  --radius: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--base);
  color:var(--ink);
  font-family:"Noto Sans JP", sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-feature-settings:"palt";
}
h1,h2,h3{
  font-family:"Zen Kaku Gothic New", sans-serif;
  font-weight:900;
  line-height:1.3;
  letter-spacing:-0.02em;
  margin:0;
  font-feature-settings:"palt";
}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
.inner{max-width:1040px;margin:0 auto;padding:0 24px;}
.section-title{font-size:28px;margin-bottom:32px;}

/* 数字は等幅 */
.flow-no{font-feature-settings:"tnum";}

/* あしらい：1-1 下線の見出し */
.section-title{position:relative;display:block;padding-bottom:16px;}
.section-title::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:48px;height:4px;
  background:var(--green);
  border-radius:999px;
}

/* あしらい：3-1 蛍光ペンの帯 */
.lead-highlight{
  font-family:"Zen Kaku Gothic New", sans-serif;
  font-weight:700;
  font-size:22px;
  line-height:1.7;
  background:linear-gradient(transparent 60%, var(--base-soft) 60%);
  display:inline;
  box-decoration-break:clone;
  -webkit-box-decoration-break:clone;
}

/* あしらい：3-4 一部の言葉だけ色を変える */
.hl-word{color:var(--green-deep);}

/* ボタン */
.btn{
  display:inline-block;
  padding:18px 40px;
  border-radius:999px;
  font-weight:700;
  text-decoration:none;
  border:2px solid transparent;
  transition:transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.btn-primary{background:var(--green); color:#fff;}
.btn-outline{background:transparent; border-color:var(--green); color:var(--green-deep);}
/* 動き：C1 ボタンが少し浮く */
.btn:hover{transform:translateY(-4px); box-shadow:0 8px 20px rgba(14,154,46,0.25);}

/* ヘッダー */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(250,250,248,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:padding 0.3s var(--ease);
}
.header-inner{
  max-width:1040px; margin:0 auto; padding:0 24px;
  display:flex; align-items:center; justify-content:space-between;
  height:88px;
  transition:height 0.3s var(--ease);
}
/* 動き：D3 スクロールでヘッダーが縮む */
.site-header.scrolled .header-inner{height:64px;}
.header-logo{display:flex; align-items:center; gap:10px; text-decoration:none;}
.header-logo .mark{
  width:20px; height:20px;
  background:var(--green);
  transform:rotate(45deg);
  border-radius:3px;
  flex-shrink:0;
}
.logo-text{font-family:"Zen Kaku Gothic New", sans-serif; font-weight:900; font-size:20px; color:var(--ink);}
.header-nav{display:flex; align-items:center; gap:32px; font-size:14px;}
.header-nav a{text-decoration:none; color:var(--ink-soft);}
.header-cta{
  background:var(--green); color:#fff !important;
  padding:10px 24px; border-radius:999px; font-weight:700;
}
.menu-btn{display:none; background:none; border:none; width:40px; height:32px; position:relative; cursor:pointer;}
.menu-btn span{position:absolute; left:4px; right:4px; height:2px; background:var(--ink); border-radius:2px;}
.menu-btn span:nth-child(1){top:6px;}
.menu-btn span:nth-child(2){top:15px;}
.menu-btn span:nth-child(3){top:24px;}

/* ファーストビュー */
.hero{position:relative; overflow:hidden; padding:128px 0 96px;}
.hero-shape{
  position:absolute; right:-160px; top:-120px;
  width:520px; height:520px;
  background:var(--green);
  opacity:0.08;
  transform:rotate(45deg);
  border-radius:48px;
}
.hero-inner{position:relative; max-width:720px;}
.hero-eyebrow{font-size:14px; font-weight:700; color:var(--green-deep); margin-bottom:24px; letter-spacing:0.02em;}
.hero-copy{font-size:44px; margin-bottom:32px;}
.sp-break{display:none;}
.hero-sub{font-size:17px; color:var(--ink-soft); margin-bottom:40px;}
.hero-actions{display:flex; flex-direction:column; align-items:flex-start; gap:16px;}
.hero-note{font-size:13px; color:var(--ink-soft); margin:0;}

/* 共通セクション余白（隣り合うセクションで上下の余白を二重に付けない） */
section{padding-top:120px; padding-bottom:0;}
main > section:last-of-type{padding-bottom:120px;}
.about, .benefits, .flow, .message, .faq{background:var(--base);}
.why-free, .showcase{background:var(--base-soft);}
/* 背景色が変わる境目だけ、上下にしっかり余白を取る */
.benefits, .showcase, .faq{padding-bottom:120px;}

/* Circle Eとは */
.about-grid{display:grid; grid-template-columns:320px 1fr; gap:64px;}
.about-body p{color:var(--ink-soft);}

/* 4つのメリット（1枚大きく＋3枚小さくの非対称レイアウト） */
.benefit-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;}
.benefit-card--main{grid-column:1 / -1;}
.benefit-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:40px; box-shadow:var(--shadow);
}
.benefit-card h3{font-size:19px; margin-bottom:16px;}
.benefit-card p{color:var(--ink-soft); font-size:15px;}
.benefit-card--main{background:var(--green); border-color:var(--green); padding:48px;}
.benefit-card--main h3{font-size:24px;}
.benefit-card--main h3, .benefit-card--main p{color:#fff;}
.benefit-card--tint{background:var(--base-soft); border-color:transparent;}

/* なぜ無料か */
.why-free .section-title{margin-top:16px;}
.why-body{color:var(--ink-soft); max-width:640px;}
.ask-box, .rule-box{
  margin-top:48px; padding:40px; background:#fff;
  border-radius:var(--radius); border:1px solid var(--line);
}
.ask-box h3, .rule-box h3{font-size:17px; margin-bottom:16px;}
.ask-box ul, .rule-box ul{margin-top:16px;}
.ask-box li, .rule-box li{position:relative; padding-left:20px; margin-bottom:12px; color:var(--ink-soft);}
.ask-box li::before, .rule-box li::before{content:""; position:absolute; left:0; top:12px; width:6px; height:6px; background:var(--green); border-radius:50%;}
.rule-box{margin-top:24px;}
.rule-box code{background:var(--base-soft); padding:2px 6px; border-radius:4px; font-size:14px;}

/* 制作見本 */
.showcase-lead{color:var(--ink-soft); max-width:560px; margin-bottom:48px;}
.showcase-grid{display:grid; grid-template-columns:1.15fr 0.85fr; gap:24px; align-items:start;}
.showcase-card{background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
.showcase-card img{width:100%; height:auto; display:block; border-bottom:1px solid var(--line);}
.showcase-card--wide img{aspect-ratio:1000/620; object-fit:cover;}
.showcase-card--tall img{aspect-ratio:760/980; object-fit:cover; object-position:top;}
.showcase-card-body{padding:32px 40px 40px;}
.showcase-tag{font-size:13px; font-weight:700; color:var(--green-deep); margin-bottom:12px;}
.showcase-card h3{font-size:22px; margin-bottom:16px;}
.showcase-card p{color:var(--ink-soft); margin-bottom:32px;}

/* 流れ：あしらい 8-4 手順の番号 */
.flow-list li{display:flex; gap:24px; margin-bottom:48px;}
.flow-list li:last-child{margin-bottom:0;}
.flow-no{
  flex-shrink:0; width:48px; height:48px; border-radius:50%;
  background:var(--green); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:18px;
}
.flow-list h3{font-size:18px; margin-bottom:12px;}
.flow-list p{color:var(--ink-soft);}

/* 一呼吸：余白だけの区切り（あしらい 2-7） */
.breather{padding-top:160px; padding-bottom:160px;}
.breather-text{text-align:center; font-size:15px; color:var(--ink-soft); letter-spacing:0.04em;}

/* 運営者メッセージ：余白多めで落ち着かせる（あしらい 2-7） */
.message-inner{max-width:680px;}
.message-role{font-size:15px; color:var(--ink-soft); margin-bottom:32px;}
.message-role strong{display:block; font-size:19px; color:var(--ink); margin-top:8px;}
.message p{color:var(--ink-soft);}
.message-history{margin-top:48px; padding-top:48px; border-top:1px solid var(--line);}
.message-history h3{font-size:16px; margin-bottom:24px;}
.message-history li{position:relative; padding-left:20px; margin-bottom:12px; color:var(--ink-soft); font-size:15px;}
.message-history li::before{content:""; position:absolute; left:0; top:10px; width:6px; height:6px; background:var(--green); border-radius:50%;}

/* よくある質問 */
.faq-list{max-width:720px;}
.faq-item{padding:32px 0; border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item dt{font-weight:700; font-size:16px; margin-bottom:12px;}
.faq-item dd{margin:0; color:var(--ink-soft);}

/* 最後のCTA */
.final-cta{background:var(--green); color:#fff; text-align:left; padding-top:120px; padding-bottom:120px;}
.final-cta-inner{max-width:600px;}
.final-cta h2{font-size:30px; margin-bottom:24px; color:#fff;}
.final-cta p{color:rgba(255,255,255,0.85); margin-bottom:40px;}
.final-cta .btn-primary{background:#fff; color:var(--green-deep);}
.final-cta .btn-primary:hover{box-shadow:0 8px 20px rgba(0,0,0,0.2);}

/* お問い合わせフォーム */
.contact{background:var(--base);}
.contact > .inner{max-width:640px;}
.contact p{color:var(--ink-soft); margin-bottom:40px;}
.contact-form{margin-top:40px;}
.form-row{margin-bottom:24px;}
.form-row label{display:block; font-size:14px; font-weight:700; margin-bottom:8px;}
.required{color:var(--green-deep); font-weight:400; font-size:12px; margin-left:8px;}
.form-row input, .form-row textarea{
  width:100%; padding:14px 16px; font-size:16px;
  border:1px solid var(--line); border-radius:8px;
  font-family:inherit; background:#fff; color:var(--ink);
}
.form-row input:focus, .form-row textarea:focus{outline:2px solid var(--green); outline-offset:1px;}
.website-field{position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;}
.form-note{font-size:13px; color:var(--ink-soft); margin-top:16px; margin-bottom:0;}

/* フッター */
.site-footer{background:var(--ink); color:rgba(255,255,255,0.75); padding:64px 0;}
.footer-inner p{margin-bottom:12px; font-size:14px;}
.footer-logo{font-family:"Zen Kaku Gothic New", sans-serif; font-weight:900; font-size:20px; color:#fff; margin-bottom:24px;}
.footer-inner a{text-decoration:underline;}
.footer-copy{margin-top:24px; font-size:12px; color:rgba(255,255,255,0.5);}

/* 動き：A1 ふわっと出る */
.reveal{opacity:0; transform:translateY(14px); transition:opacity 0.6s var(--ease), transform 0.6s var(--ease);}
.reveal.is-visible{opacity:1; transform:translateY(0);}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1; transform:none; transition:none;}
  .btn, .header-inner{transition:none;}
}

/* スマホ */
@media (max-width:860px){
  .section-title{font-size:24px;}
  section{padding:80px 0;}
  .hero{padding:96px 0 64px;}
  .hero-copy{font-size:32px;}
  .sp-break{display:block;}
  .header-nav{
    position:fixed; top:64px; left:0; right:0; bottom:0;
    background:var(--base); flex-direction:column; align-items:flex-start;
    padding:32px 24px; gap:24px; font-size:16px;
    transform:translateX(100%); transition:transform 0.3s var(--ease);
    overflow-y:auto;
  }
  .header-nav.open{transform:translateX(0);}
  .menu-btn{display:block;}
  .about-grid{grid-template-columns:1fr; gap:32px;}
  .benefit-grid{grid-template-columns:1fr;}
  .showcase-grid{grid-template-columns:1fr;}
  .flow-list li{gap:16px;}
  .benefit-card, .ask-box, .rule-box{padding:24px;}
  .showcase-card-body{padding:24px;}
  .btn{padding:16px 28px;}
}