/* ===== 収支表DX 紹介サイト ===== */
:root{
  --beige:#F1EDE5;
  --beige-deep:#E7E0D2;
  --paper:#FBF9F4;
  --ink:#2b2722;
  --ink-soft:#5c554b;
  --blue:#2f5aa8;
  --blue-deep:#264a8c;
  --green:#2f7050;
  --orange:#c0732a;
  --line:#d9d1c0;
  --shadow:0 18px 40px -22px rgba(43,39,34,.45);
  --radius:20px;
  --maxw:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{
  font-family:"Noto Sans JP",system-ui,sans-serif;
  color:var(--ink);
  background:var(--beige);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* 紙のような微細ノイズ背景 */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(1200px 600px at 80% -5%, rgba(47,90,168,.06), transparent 60%),
    radial-gradient(1000px 500px at -10% 30%, rgba(192,115,42,.05), transparent 55%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}
a{color:inherit;text-decoration:none}
img{max-width:100%}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.container.narrow{max-width:760px}

.accent-blue{color:var(--blue)}
.accent-orange{color:var(--orange)}
.accent-green{color:var(--green)}

/* ===== 共通セクション見出し ===== */
.section-label{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;
  color:var(--blue);background:rgba(47,90,168,.09);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.section-label.light{color:#fff;background:rgba(255,255,255,.18)}
.section-head{text-align:center;margin-bottom:54px}
.section-title{
  font-size:clamp(1.5rem,4.4vw,2.15rem);font-weight:900;line-height:1.45;letter-spacing:.01em;
}

/* ===== ボタン ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:1rem;padding:14px 30px;border-radius:999px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;cursor:pointer;border:none;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 24px -10px rgba(47,90,168,.7)}
.btn-primary:hover{transform:translateY(-2px);background:var(--blue-deep)}
.btn-ghost{background:transparent;color:var(--ink);border:1.6px solid var(--line)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--blue);color:var(--blue)}

/* ===== A. ヘッダー ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(241,237,229,.78);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s,background .3s;
}
.site-header.scrolled{border-color:var(--line);box-shadow:0 6px 20px -16px rgba(0,0,0,.5)}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:12px 22px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{font-weight:900;font-size:1.3rem;letter-spacing:.02em}
.logo-dx{color:var(--blue)}
.nav-desktop{display:flex;gap:26px}
.nav-desktop a{font-size:.92rem;font-weight:500;color:var(--ink-soft);position:relative;transition:color .2s}
.nav-desktop a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--blue);transition:width .25s}
.nav-desktop a:hover{color:var(--ink)}
.nav-desktop a:hover::after{width:100%}

.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:6px;cursor:pointer}
.hamburger span{display:block;width:24px;height:2.4px;background:var(--ink);border-radius:2px;transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7.4px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7.4px) rotate(-45deg)}

.nav-mobile{
  display:flex;flex-direction:column;background:var(--paper);
  max-height:0;overflow:hidden;transition:max-height .35s ease;border-bottom:1px solid var(--line)
}
.nav-mobile.open{max-height:340px}
.nav-mobile a{padding:15px 24px;font-weight:500;border-top:1px solid var(--line)}
.nav-mobile a:first-child{border-top:none}

/* ===== B. ヒーロー ===== */
.hero{
  position:relative;padding:130px 0 70px;overflow:hidden;
  background:linear-gradient(180deg,#F4F0E8 0%,var(--beige) 100%);
}
.hero-inner{max-width:860px;margin:0 auto;padding:0 22px;text-align:center}
.hero-eyebrow{
  font-size:.9rem;font-weight:700;color:var(--orange);letter-spacing:.08em;margin-bottom:18px;
}
.hero-title{
  font-size:clamp(2rem,7vw,3.4rem);font-weight:900;line-height:1.32;letter-spacing:.01em;margin-bottom:22px;
}
.hero-lead{font-size:clamp(1rem,2.6vw,1.18rem);color:var(--ink-soft);margin-bottom:38px}

.hero-video{margin:0 auto 30px;max-width:560px}
.video-frame{
  position:relative;border-radius:24px;overflow:hidden;
  background:#1d1b17;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.12);
}
.video-frame video{display:block;width:100%;height:auto}
.video-placeholder{
  aspect-ratio:16/10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:#e9e3d6;
  background:
    radial-gradient(circle at 50% 40%, rgba(47,90,168,.4), transparent 60%),
    linear-gradient(135deg,#23211c,#312d25);
}
.play-badge{
  width:62px;height:62px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.14);border:2px solid rgba(255,255,255,.6);font-size:1.4rem;padding-left:5px;
}
.video-placeholder p{font-weight:700;letter-spacing:.05em}
.video-placeholder small{color:#b3ab9b;font-size:.74rem}

.hero-sub{font-size:.92rem;color:var(--ink-soft);font-weight:500;margin-bottom:26px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-link{display:inline-block;margin-top:18px;font-size:.92rem;font-weight:700;color:var(--blue);transition:opacity .2s}
.hero-link:hover{opacity:.7}

/* ===== C. アプリ概要 ===== */
.about{padding:84px 0;text-align:center}
.about-text{font-size:clamp(1.05rem,2.8vw,1.3rem);line-height:2;margin-bottom:8px}
.about-text strong{font-weight:700}

/* ===== D. こんな人に ===== */
.audience{padding:70px 0 90px}
.audience-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.aud-card{
  border-radius:var(--radius);padding:34px 30px;background:var(--paper);
  border:1px solid var(--line);box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.aud-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:5px}
.aud-light::before{background:var(--blue)}
.aud-pro::before{background:var(--orange)}
.aud-light{background:linear-gradient(180deg,rgba(47,90,168,.06),var(--paper) 55%)}
.aud-pro{background:linear-gradient(180deg,rgba(192,115,42,.07),var(--paper) 55%)}
.aud-tag{
  display:inline-block;font-weight:700;font-size:1.02rem;margin-bottom:16px;padding-bottom:10px;
}
.aud-light .aud-tag{color:var(--blue)}
.aud-pro .aud-tag{color:var(--orange)}
.aud-card p{color:var(--ink-soft);margin-bottom:6px}
.aud-arrow{color:var(--ink) !important;font-weight:500;margin-top:14px !important}

/* ===== グラフバンド ===== */
.graph-band{padding:30px 0 90px}
.graph-card{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  background:linear-gradient(135deg,#23211c,#322e26);color:#f1ece1;
  border-radius:28px;padding:48px 46px;box-shadow:var(--shadow);
}
.graph-copy .section-label{color:#fff;background:rgba(255,255,255,.16)}
.graph-copy .section-title{color:#fff;margin-bottom:18px}
.graph-copy p{color:#cfc8b9}
.graph-visual{background:rgba(255,255,255,.04);border-radius:18px;padding:20px;border:1px solid rgba(255,255,255,.08)}
.chart{width:100%;height:auto}
.chart .grid line{stroke:rgba(255,255,255,.1);stroke-width:1}
.chart path{fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.line-real{stroke:var(--green)}
.line-ev{stroke:#5b8de0}
.line-work{stroke:var(--orange);stroke-width:2.4;opacity:.85}
.draw{stroke-dasharray:600;stroke-dashoffset:600}
.in-view .draw{animation:draw 1.8s ease forwards}
.line-ev.draw{animation-delay:.15s}
.line-work.draw{animation-delay:.3s}
@keyframes draw{to{stroke-dashoffset:0}}
.legend{display:flex;gap:20px;list-style:none;margin-top:16px;flex-wrap:wrap;font-size:.85rem;color:#cfc8b9}
.legend li{display:flex;align-items:center;gap:7px}
.dot{width:12px;height:12px;border-radius:3px;display:inline-block}
.dot-green{background:var(--green)}
.dot-blue{background:#5b8de0}
.dot-orange{background:var(--orange)}

/* ===== E. 機能紹介への導線（トップ） ===== */
.features-cta{padding:78px 0;text-align:center}
.features-cta .features-title{margin-bottom:24px}
.features-cta-text{color:var(--ink-soft);font-size:1.05rem;margin-bottom:30px}
.btn-feature{
  font-size:1.15rem;font-weight:700;padding:18px 46px;border-radius:999px;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--blue-deep));
  box-shadow:0 18px 34px -12px rgba(47,90,168,.8);position:relative;overflow:hidden;
}
.btn-feature::after{
  content:"";position:absolute;top:0;left:0;width:42%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);
  transform:translateX(-160%) skewX(-18deg);
}
.btn-feature:hover{transform:translateY(-3px)}
.btn-feature:hover::after{animation:sheen .9s ease}
@keyframes sheen{to{transform:translateX(360%) skewX(-18deg)}}

/* ===== 機能ページ（features.html） ===== */
.features-hero{padding:120px 0 10px;text-align:center}
.back-link{
  display:inline-block;font-size:.92rem;font-weight:700;color:var(--blue);margin-bottom:22px;transition:opacity .2s;
}
.back-link:hover{opacity:.65}
.back-link-center{margin-top:30px;margin-bottom:0}
.page-title{
  font-size:clamp(1.8rem,6vw,2.8rem);font-weight:900;line-height:1.4;display:inline-flex;align-items:center;gap:16px;
}
.page-title .star{color:var(--orange);font-size:.6em;animation:twinkle 2.4s ease-in-out infinite}
.page-title .star:last-child{animation-delay:1.2s}
.page-sub{color:var(--ink-soft);margin-top:14px;font-size:1.02rem}

/* ===== E. 機能紹介 ===== */
.features{padding:40px 0 60px}
.features-title{display:inline-flex;align-items:center;gap:16px;position:relative}
.features-title .star{
  color:var(--orange);font-size:.7em;line-height:1;
  animation:twinkle 2.4s ease-in-out infinite;
}
.features-title .star:last-child{animation-delay:1.2s}
@keyframes twinkle{0%,100%{opacity:.45;transform:scale(.9) rotate(0deg)}50%{opacity:1;transform:scale(1.15) rotate(12deg)}}
.features-title::after{
  content:"";display:block;position:absolute;left:50%;bottom:-14px;transform:translateX(-50%);
  width:64px;height:4px;border-radius:99px;background:linear-gradient(90deg,var(--orange),var(--blue));
}
.feature{
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
  padding:46px 0;
}
.feature + .feature{border-top:1px solid var(--line)}
.feature-rev .feature-text{order:2}
.feature-rev .feature-shot{order:1}
.feature-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.feature-num{
  font-size:2.4rem;font-weight:900;color:var(--blue);opacity:.35;line-height:1;flex-shrink:0;
}
.feature-title{font-size:1.5rem;font-weight:900;line-height:1.5}
.br-sp{display:none}
.feature-pin{font-size:.7rem;color:#fff;background:var(--orange);padding:3px 10px;border-radius:999px;font-weight:700;vertical-align:middle;margin-left:8px;display:inline-block}
.feature-catch{font-weight:700;color:var(--orange);margin-bottom:14px;font-size:1.05rem}
.feature-desc{color:var(--ink-soft)}
.feature-desc strong{color:var(--ink);font-weight:700}

.feature-shot{display:flex;justify-content:center}
.phone-frame{
  width:240px;aspect-ratio:9/19;border-radius:34px;padding:12px;
  background:linear-gradient(160deg,#2c2922,#454035);box-shadow:var(--shadow);position:relative;
}
.phone-frame::before{
  content:"";position:absolute;top:14px;left:50%;transform:translateX(-50%);
  width:70px;height:6px;border-radius:99px;background:rgba(255,255,255,.25);z-index:2;
}
.phone-screen{
  width:100%;height:100%;border-radius:24px;display:flex;align-items:center;justify-content:center;text-align:center;
  background:
    repeating-linear-gradient(45deg,rgba(47,90,168,.05) 0 12px,transparent 12px 24px),
    linear-gradient(180deg,#fbf9f4,#eee7d8);
  color:var(--ink-soft);font-size:.86rem;font-weight:500;padding:18px;border:1px solid var(--line);
}
.phone-screen span{opacity:.7}

/* ===== F. アップデート予告 ===== */
.update{padding:80px 0}
.update-card{
  background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff;
  border-radius:28px;padding:54px 44px;text-align:center;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.update-card::after{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.14),transparent 70%);top:-120px;right:-90px;
}
.update-card .section-title{color:#fff;margin-bottom:20px}
.update-text{font-size:1.06rem;color:rgba(255,255,255,.94);margin-bottom:6px;position:relative}
.btn-x{background:#000;color:#fff;margin-top:28px;position:relative}
.btn-x:hover{transform:translateY(-2px);background:#1a1a1a}
.x-logo{font-size:1.1rem;font-weight:900}

/* ===== G. 料金 ===== */
.pricing{padding:80px 0}
.price-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:860px;margin:0 auto}
.price-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 32px;box-shadow:var(--shadow);position:relative;
}
.price-pro{border:2px solid var(--orange);background:linear-gradient(180deg,rgba(192,115,42,.06),var(--paper) 50%)}
.price-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--orange);color:#fff;font-size:.76rem;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap;
}
.price-name{font-size:1.15rem;font-weight:700;margin-bottom:8px}
.price-amount{font-size:2.4rem;font-weight:900;color:var(--ink);margin-bottom:4px}
.price-per{font-size:.9rem;font-weight:500;color:var(--ink-soft)}
.price-note{color:var(--ink-soft);font-size:.95rem;margin-bottom:18px}
.price-list{list-style:none;margin-bottom:18px}
.price-list li{padding:9px 0 9px 28px;position:relative;border-top:1px dashed var(--line)}
.price-list li::before{content:"✓";position:absolute;left:4px;color:var(--green);font-weight:900}
.price-pro .price-list li::before{color:var(--orange)}
.price-cap{font-size:.88rem;color:var(--ink-soft)}

/* ===== H. ダウンロード ===== */
.download{padding:90px 0;text-align:center;
  background:linear-gradient(180deg,var(--beige),var(--beige-deep))}
.download-title{font-size:clamp(1.5rem,5vw,2.3rem);font-weight:900;margin-bottom:12px}
.download-sub{color:var(--ink-soft);margin-bottom:32px;font-weight:500}
.store-badges{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:16px}
.store-badge{
  display:inline-flex;align-items:center;gap:12px;background:#1a1a1a;color:#fff;
  padding:12px 24px;border-radius:14px;transition:transform .2s,opacity .2s;min-width:200px;
}
.store-badge:hover{transform:translateY(-2px)}
.store-mark{width:26px;height:30px;background:#fff;flex-shrink:0;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M16.5 1.6c0 1.2-.5 2.4-1.3 3.3-.9 1-2.3 1.8-3.6 1.7-.2-1.2.5-2.5 1.3-3.4.9-1 2.4-1.7 3.6-1.6zM20.6 17c-.6 1.4-.9 2-1.7 3.2-1.1 1.7-2.6 3.8-4.5 3.8-1.7 0-2.1-1.1-4.4-1.1s-2.8 1.1-4.4 1.1c-1.9 0-3.3-1.9-4.4-3.6C-.7 16.6-1 11 .9 8c1-1.5 2.6-2.4 4.1-2.4 1.7 0 2.8 1.1 4.2 1.1 1.4 0 2.2-1.1 4.2-1.1 1.4 0 2.9.8 3.9 2.1-3.4 1.9-2.9 6.8.4 8.3z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M16.5 1.6c0 1.2-.5 2.4-1.3 3.3-.9 1-2.3 1.8-3.6 1.7-.2-1.2.5-2.5 1.3-3.4.9-1 2.4-1.7 3.6-1.6zM20.6 17c-.6 1.4-.9 2-1.7 3.2-1.1 1.7-2.6 3.8-4.5 3.8-1.7 0-2.1-1.1-4.4-1.1s-2.8 1.1-4.4 1.1c-1.9 0-3.3-1.9-4.4-3.6C-.7 16.6-1 11 .9 8c1-1.5 2.6-2.4 4.1-2.4 1.7 0 2.8 1.1 4.2 1.1 1.4 0 2.2-1.1 4.2-1.1 1.4 0 2.9.8 3.9 2.1-3.4 1.9-2.9 6.8.4 8.3z'/%3E%3C/svg%3E") center/contain no-repeat;}
.store-mark-g{-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 2.3v19.4c0 .4.2.7.5.8L14 12 3.5 1.5c-.3.1-.5.4-.5.8zM16 14l3.6 2.1c.7.4.7 1.4 0 1.8L15.8 20 13 17l3-3zM13 12l2.8-3L19.6 6c.7-.4.7-1.4 0-1.8L16 6l-3 3-3 3zM13.5 12.2L5 21l8.5-3.2L16 16l-2.5-3.8z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 2.3v19.4c0 .4.2.7.5.8L14 12 3.5 1.5c-.3.1-.5.4-.5.8z'/%3E%3C/svg%3E") center/contain no-repeat;}
.store-text{display:flex;flex-direction:column;align-items:flex-start;line-height:1.2}
.store-text small{font-size:.66rem;opacity:.8}
.store-text strong{font-size:1.05rem;font-weight:700}
.download-note{font-size:.78rem;color:var(--ink-soft);opacity:.8}

/* ===== I. フッター ===== */
.site-footer{background:#23211c;color:#cfc8b9;padding:54px 0 32px}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:34px}
.footer-brand .logo{color:#fff;font-size:1.3rem;display:inline-block;margin-bottom:14px}
.footer-brand .logo-dx{color:#5b8de0}
.footer-story{font-size:.86rem;line-height:1.9;max-width:420px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:.9rem;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.82rem;
}
.copyright{opacity:.8}

/* ===== reveal アニメーション ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in-view{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .draw{stroke-dashoffset:0 !important;animation:none !important}
  .features-title .star,.page-title .star{animation:none;opacity:.9}
  .btn-feature::after{display:none}
  html{scroll-behavior:auto}
}

/* ===== レスポンシブ ===== */
@media (max-width:820px){
  .nav-desktop{display:none}
  .hamburger{display:flex}
  .audience-cards,.price-cards{grid-template-columns:1fr}
  .graph-card{grid-template-columns:1fr;padding:36px 26px;text-align:center}
  .graph-copy .section-title{text-align:center}
  .legend{justify-content:center}
  .feature{grid-template-columns:1fr;gap:28px;text-align:center}
  .feature-rev .feature-text{order:1}
  .feature-rev .feature-shot{order:2}
  .feature-head{justify-content:center;align-items:flex-start;gap:10px}
  .feature-num{font-size:2rem}
  .feature-title{font-size:1.3rem}
  .br-sp{display:inline}
  .footer-top{flex-direction:column}

  /* --- スマホ：全体の縦余白を詰める --- */
  .about{padding:52px 0}
  .audience{padding:46px 0 54px}
  .graph-band{padding:16px 0 54px}
  .features-cta{padding:52px 0}
  .features{padding:22px 0 40px}
  .feature{padding:32px 0;gap:22px}
  .update{padding:52px 0}
  .pricing{padding:52px 0}
  .download{padding:56px 0}
  .section-head{margin-bottom:32px}
  .features-hero{padding:96px 0 6px}
  .site-footer{padding:40px 0 26px}
  .about-text{line-height:1.85}
}
@media (max-width:480px){
  .hero{padding:96px 0 48px}
  .hero-lead{margin-bottom:28px}
  .hero-video{margin-bottom:24px}
  .hero-sub{margin-bottom:20px}
  .update-card,.price-card{padding:34px 22px}
  .store-badge{min-width:0;width:100%;justify-content:center}
}