/* ===== 青井会計事務所 デモ ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#10344a; --navy2:#0b2536; --accent:#12a17a; --accent2:#17b98e; --gold:#c19a4b;
  --cream:#f7f4ee; --bg:#f4f7f6; --ink:#26363f; --gray:#647680; --line:#e4e9e8; --white:#fff;
  --serif:"Noto Serif JP",serif; --sans:"Noto Sans JP",sans-serif; --pop:"Poppins",sans-serif;
  --wrap:1140px; --sh:0 14px 40px rgba(16,52,74,.1); --shl:0 26px 60px rgba(16,52,74,.16);
}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--white);line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{width:min(90%,var(--wrap));margin-inline:auto}
.sp{display:none}
.progress{position:fixed;top:0;left:0;height:3px;width:var(--sp,0);background:linear-gradient(90deg,var(--accent),var(--gold));z-index:300;transition:width .1s}
.ey{font-family:var(--pop);color:var(--accent);font-weight:700;letter-spacing:.14em;text-align:center;font-size:.82rem;text-transform:uppercase}
.ttl{font-family:var(--serif);font-weight:800;text-align:center;font-size:clamp(1.7rem,4.6vw,2.7rem);color:var(--navy);margin:.35em 0 1.4em;line-height:1.4;letter-spacing:.01em}
.ttl--l{text-align:left;margin-bottom:.7em}.ttl--w{color:#fff}.ey--w{color:var(--accent2)}
em{font-style:normal}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:700;padding:1em 2em;border-radius:6px;transition:.28s;font-size:1rem;position:relative;overflow:hidden}
.btn svg{transition:.28s}
.btn--main{background:linear-gradient(120deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 12px 28px rgba(18,161,122,.35)}
.btn--main:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(18,161,122,.45)}
.btn--main:hover svg{transform:translateX(5px)}
.btn--line{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.6);backdrop-filter:blur(4px)}
.btn--line:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn--white{background:#fff;color:var(--navy);box-shadow:var(--sh)}.btn--white:hover{transform:translateY(-3px)}
.btn--white:hover svg{transform:translateX(5px)}

/* header */
.header{position:fixed;top:0;left:0;width:100%;z-index:200;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:.35s}
.header.shrink{box-shadow:0 6px 26px rgba(16,52,74,.09)}
.header__in{width:min(94%,1240px);margin-inline:auto;height:78px;display:flex;align-items:center;justify-content:space-between;transition:.35s}
.header.shrink .header__in{height:62px}
.brand{display:flex;align-items:center;gap:.65em}
.brand__txt{display:flex;flex-direction:column;line-height:1.15}
.brand__txt b{font-family:var(--serif);font-weight:800;font-size:1.16rem;color:var(--navy);letter-spacing:.04em}
.brand__txt small{font-family:var(--pop);font-size:.6rem;color:var(--gray);letter-spacing:.14em}
.nav{display:flex;align-items:center;gap:1.5em}
.nav a{font-size:.9rem;font-weight:500;color:var(--ink);transition:.2s}
.nav a:hover{color:var(--accent)}
.nav__cta{background:var(--accent);color:#fff!important;padding:.6em 1.2em;border-radius:5px;font-weight:700}
.nav__cta:hover{background:var(--navy)}
.burger{display:none;flex-direction:column;gap:5px;width:46px;height:46px;justify-content:center;align-items:center;background:none;border:none;cursor:pointer;z-index:220}
.burger span{width:26px;height:2.4px;background:var(--navy);border-radius:2px;transition:.3s}
.burger.on span:nth-child(1){transform:translateY(7.4px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}.burger.on span:nth-child(3){transform:translateY(-7.4px) rotate(-45deg)}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;color:#fff}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__img{position:absolute;inset:-12% 0;background:url(../img/hero.png) center/cover;will-change:transform}
.hero__veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,37,54,.86) 0%,rgba(11,37,54,.6) 45%,rgba(11,37,54,.15) 100%)}
.hero__in{position:relative;z-index:2;width:min(90%,var(--wrap));margin:0 auto;padding-top:70px}
.hero__ey{color:var(--accent2);font-weight:700;letter-spacing:.1em;font-size:.95rem;margin-bottom:.6em}
.hero__ttl{font-family:var(--serif);font-weight:900;font-size:clamp(2.3rem,6.6vw,4.6rem);line-height:1.32;letter-spacing:.02em;overflow:hidden}
.hero__ttl span{display:block;opacity:0;transform:translateY(110%);animation:rise 1s cubic-bezier(.16,1,.3,1) forwards}
.hero__ttl span:nth-child(1){animation-delay:.15s}.hero__ttl span:nth-child(2){animation-delay:.32s;color:var(--accent2)}
@keyframes rise{to{opacity:1;transform:none}}
.hero__lead{font-size:clamp(1rem,1.5vw,1.16rem);margin:1.3em 0 2em;max-width:640px;color:#e8f0ee;font-weight:400}
.hero__btns{display:flex;gap:16px;flex-wrap:wrap}
.hero__scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;color:#fff;font-family:var(--pop);font-size:.7rem;letter-spacing:.2em;display:flex;flex-direction:column;align-items:center;gap:34px;opacity:.85}
.hero__scroll span{width:1px;height:46px;background:#fff;position:relative;overflow:hidden}
.hero__scroll span::after{content:"";position:absolute;top:-46px;left:0;width:1px;height:46px;background:var(--accent2);animation:scrolldot 1.8s ease-in-out infinite}
@keyframes scrolldot{100%{top:46px}}

/* reveal */
[data-reveal]{opacity:0;transform:translateY(36px);transition:opacity .85s cubic-bezier(.16,1,.3,1),transform .85s cubic-bezier(.16,1,.3,1)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal="left"]{transform:translateX(-46px)}[data-reveal="right"]{transform:translateX(46px)}

/* issue */
.issue{padding:100px 0;background:var(--bg)}
.issue__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.issue__c{background:#fff;border-radius:14px;padding:34px 22px;text-align:center;box-shadow:var(--sh);position:relative}
.issue__no{font-family:var(--pop);font-weight:800;font-size:1.5rem;color:var(--accent);opacity:.35}
.issue__c p{margin-top:.5em;font-size:.98rem;color:var(--gray)}
.issue__c b{color:var(--navy)}
.issue__catch{text-align:center;font-family:var(--serif);font-weight:700;font-size:clamp(1.3rem,3.6vw,1.9rem);color:var(--navy);margin-top:1.6em}
.issue__catch em{color:var(--accent);border-bottom:3px solid var(--gold);padding-bottom:.05em}

/* strength */
.strength{padding:110px 0;background:#fff;position:relative}
.str__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.str__c{background:var(--cream);border-radius:18px;padding:44px 30px;transition:.35s;border:1px solid #efeae1}
.str__c:hover{transform:translateY(-8px);box-shadow:var(--shl);background:#fff}
.str__ic{width:78px;height:78px;border-radius:18px;background:#e6f5f0;display:grid;place-content:center;margin-bottom:20px}
.str__c h3{font-family:var(--serif);font-size:1.35rem;color:var(--navy);margin-bottom:.5em;font-weight:700}
.str__c p{font-size:.95rem;color:var(--gray)}

/* service */
.service{padding:110px 0;background:var(--bg)}
.svc__lead{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:52px}
.svc__lead img{border-radius:18px;box-shadow:var(--shl);aspect-ratio:4/3;object-fit:cover}
.svc__lead__txt h3{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2rem);color:var(--navy);margin-bottom:.5em;line-height:1.5}
.svc__lead__txt p{color:var(--gray)}
.svc__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc__c{background:#fff;border-radius:14px;padding:30px 26px;box-shadow:var(--sh);border-top:3px solid transparent;transition:.3s}
.svc__c:hover{border-top-color:var(--accent);transform:translateY(-5px);box-shadow:var(--shl)}
.svc__n{font-family:var(--pop);font-weight:700;font-size:.9rem;color:var(--accent);letter-spacing:.05em}
.svc__c h4{font-family:var(--serif);font-size:1.2rem;color:var(--navy);margin:.15em 0 .35em;font-weight:700}
.svc__c p{font-size:.9rem;color:var(--gray)}

/* nums */
.nums{padding:100px 0;position:relative;overflow:hidden;background:var(--navy);color:#fff}
.nums__bg{position:absolute;inset:-15% 0;background:url(../img/desk.png) center/cover;opacity:.14;will-change:transform}
.nums .wrap{position:relative;z-index:1}
.nums__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.nums__c{text-align:center}
.nums__v{font-family:var(--pop);font-weight:800;font-size:clamp(2.6rem,6vw,4rem);line-height:1;color:#fff;display:inline-block}
.nums__v em{background:linear-gradient(120deg,#fff,var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nums__c p{margin-top:.5em;color:#bcd3cd;font-size:.95rem}

/* flow */
.flow{padding:110px 0;background:#fff}
.flow__list{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow__list li{position:relative;background:var(--bg);border-radius:16px;padding:44px 22px 26px;text-align:center}
.flow__n{position:absolute;top:-22px;left:50%;transform:translateX(-50%);width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-family:var(--pop);font-weight:800;font-size:1.2rem;display:grid;place-content:center;box-shadow:0 8px 20px rgba(18,161,122,.4)}
.flow__list h4{font-family:var(--serif);color:var(--navy);font-size:1.12rem;margin:.2em 0 .4em}
.flow__list p{font-size:.86rem;color:var(--gray)}

/* voice */
.voice{padding:110px 0;background:var(--cream)}
.voice__slick{max-width:920px;margin-inline:auto}
.voice__c{padding:14px}
.voice__c>*{}
.voice .voice__c{background:transparent}
.voice__inner,.voice__c{}
.voice__q{font-family:var(--serif);font-size:clamp(1.15rem,2.5vw,1.5rem);color:var(--navy);font-weight:700;margin-bottom:.5em;line-height:1.6}
.voice__t{color:var(--gray);font-size:.96rem}
.voice__by{margin-top:1em;font-weight:700;color:var(--accent);font-size:.9rem}
.voice__c{background:#fff;border-radius:18px;padding:40px 38px;box-shadow:var(--sh);margin:14px 14px 30px;position:relative}
.voice__c::before{content:"“";position:absolute;top:-6px;left:22px;font-family:var(--serif);font-size:4rem;color:var(--accent);opacity:.18;line-height:1}
.slick-dots{display:flex!important;justify-content:center;gap:10px;list-style:none;margin-top:8px;padding:0}
.slick-dots li{width:auto;height:auto}
.slick-dots li button{width:11px;height:11px;padding:0;border-radius:50%;background:#cdded8;border:none;text-indent:-9999px;overflow:hidden;cursor:pointer;transition:.3s}
.slick-dots li button:before{display:none}
.slick-dots li.slick-active button{width:32px;border-radius:6px;background:linear-gradient(90deg,var(--accent),var(--accent2))}

/* about */
.about{padding:110px 0;background:#fff}
.about__in{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center}
.about__img{position:relative}
.about__img img{border-radius:18px;box-shadow:var(--shl);aspect-ratio:4/5;object-fit:cover}
.about__badge{position:absolute;left:-14px;bottom:26px;background:var(--navy);color:#fff;font-size:.82rem;font-weight:700;padding:.6em 1.2em;border-radius:6px;box-shadow:var(--sh)}
.about__txt p{color:var(--gray)}
.about__sign{margin-top:1.6em;font-family:var(--serif);color:var(--navy);font-weight:700}

/* faq */
.faq{padding:110px 0;background:var(--bg)}
.faq__list{max-width:820px;margin-inline:auto;display:grid;gap:14px}
.faq__i{background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--sh)}
.faq__q{width:100%;text-align:left;background:none;border:none;padding:22px 58px 22px 24px;font-family:var(--serif);font-weight:700;color:var(--navy);font-size:1.05rem;cursor:pointer;position:relative}
.faq__q i{position:absolute;right:24px;top:50%;transform:translateY(-50%);width:16px;height:16px}
.faq__q i::before,.faq__q i::after{content:"";position:absolute;background:var(--accent);border-radius:2px;transition:.3s}
.faq__q i::before{width:16px;height:2.4px;top:7px}.faq__q i::after{width:2.4px;height:16px;left:7px}
.faq__i.on .faq__q i::after{transform:rotate(90deg);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq__a p{padding:0 24px 22px;color:var(--gray);font-size:.95rem}

/* cta（賞レベル・分割レイアウト） */
.cta{position:relative;padding:130px 0;background:radial-gradient(1100px 600px at 12% 12%,#164056,var(--navy) 62%);color:#fff;overflow:hidden}
.cta__glow{position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(18,161,122,.42),transparent 70%);right:-130px;bottom:-170px;z-index:0}
.cta__in{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.cta__mark{font-family:var(--pop);font-size:.72rem;letter-spacing:.32em;color:var(--accent2);text-transform:uppercase}
.cta__ey{color:#a9c6be;font-weight:700;letter-spacing:.08em;margin:.9em 0 .1em}
.cta__txt h2{font-family:var(--serif);font-weight:800;font-size:clamp(2rem,4.7vw,3.2rem);line-height:1.42;margin:.1em 0 .5em}
.cta__txt h2 em{color:var(--accent2);position:relative}
.cta__txt h2 em::after{content:"";position:absolute;left:-.04em;right:-.04em;bottom:.08em;height:.28em;background:rgba(18,161,122,.3);z-index:-1;border-radius:4px}
.cta__sub{color:#c8dcd6}
.cta__acts{display:flex;align-items:center;gap:30px;flex-wrap:wrap;margin-top:2.3em}
.cta__tel{display:flex;align-items:center;gap:.6em;color:#fff}
.cta__tel span{display:flex;flex-direction:column;line-height:1.2}
.cta__tel b{font-family:var(--pop);font-weight:700;font-size:1.5rem;letter-spacing:.02em}
.cta__tel small{font-size:.74rem;color:#9db8b0}
.cta__visual{position:relative}
.cta__frame{border-radius:18px;overflow:hidden;box-shadow:var(--shl);position:relative;z-index:2}
.cta__frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cta__deco{position:absolute;right:-16px;bottom:-16px;width:72%;height:80%;border:2px solid var(--accent2);border-radius:18px;z-index:1;opacity:.6}
.cta__badge{position:absolute;top:-26px;left:-26px;z-index:3;width:94px;height:94px;border-radius:50%;background:var(--gold);color:var(--navy);display:grid;place-content:center;text-align:center;font-family:var(--pop);font-weight:800;box-shadow:var(--sh);transform:rotate(-8deg)}
.cta__badge b{font-size:2rem;line-height:1}.cta__badge b span{font-size:.85rem}.cta__badge small{font-size:.62rem;font-weight:700;letter-spacing:.05em}
.pc{display:inline}

/* footer（マルチカラム・別デザイン） */
.footer{background:var(--navy);color:#a9c1ba;padding:0 0 26px;position:relative}
.footer::before{content:"";display:block;height:4px;background:linear-gradient(90deg,var(--accent),var(--gold))}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding:62px 0 42px}
.brand__txt--f b{color:#fff;font-size:1.22rem}.brand__txt--f small{color:#8fb0a8}
.footer__addr{font-size:.85rem;line-height:1.85;margin-top:1.1em;color:#8fb0a8}
.footer__col h5{color:#fff;font-family:var(--serif);font-size:1.02rem;margin-bottom:1.1em;font-weight:700;position:relative;padding-left:14px}
.footer__col h5::before{content:"";position:absolute;left:0;top:.5em;width:5px;height:5px;border-radius:50%;background:var(--accent2)}
.footer__col a{display:block;font-size:.88rem;color:#a9c1ba;padding:.3em 0;transition:.2s}
.footer__col a:hover{color:var(--accent2);transform:translateX(4px)}
.footer__hours p{font-size:.92rem;line-height:1.9;color:#cfe0db}
.footer__cta{display:inline-block!important;margin-top:1.1em;color:var(--gold)!important;font-weight:700;font-size:.92rem}
.footer__cta:hover{transform:none!important;letter-spacing:.03em}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1)}
.footer__cp{font-family:var(--pop);font-size:.78rem;color:#6f8d86}
.footer__demo{font-size:.72rem;color:#5f7c75}

/* fab */
.fab{position:fixed;right:22px;bottom:22px;z-index:150;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:700;padding:.85em 1.5em;border-radius:999px;box-shadow:0 12px 30px rgba(18,161,122,.5);display:flex;flex-direction:column;align-items:center;line-height:1.1;transition:.25s}
.fab span{font-size:.66rem;font-weight:600;opacity:.9}
.fab:hover{transform:translateY(-3px)}

@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}[data-reveal]{opacity:1;transform:none}}

/* ===== responsive ===== */
@media(max-width:960px){
  .issue__grid{grid-template-columns:repeat(2,1fr)}
  .str__grid,.svc__grid{grid-template-columns:1fr;gap:16px}
  .svc__grid{grid-template-columns:repeat(2,1fr)}
  .svc__lead{grid-template-columns:1fr;gap:24px}
  .nums__grid,.flow__list{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .about__in{grid-template-columns:1fr;gap:36px}
  .about__img{max-width:420px;margin-inline:auto}
  .cta__in{grid-template-columns:1fr;gap:52px}
  .cta__visual{max-width:500px;margin-inline:auto;width:100%}
  .footer__grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:640px){
  .sp{display:inline}
  .nav{position:fixed;inset:0 0 0 auto;width:80%;max-width:330px;height:100dvh;background:#fff;flex-direction:column;justify-content:center;align-items:flex-start;gap:1.5em;padding:0 2em;transform:translateX(100%);transition:transform .38s cubic-bezier(.16,1,.3,1);box-shadow:-12px 0 40px rgba(16,52,74,.18)}
  .nav.on{transform:none}.nav a{font-size:1.08rem}.nav__cta{width:100%;text-align:center}
  .burger{display:flex}
  .hero__btns .btn{width:100%;justify-content:center}
  .issue__grid{grid-template-columns:1fr}
  .svc__grid,.nums__grid,.flow__list{grid-template-columns:1fr}
  .flow__list{row-gap:38px}
  .footer__grid{grid-template-columns:1fr;gap:24px;padding:48px 0 34px}
  .footer__bottom{flex-direction:column;text-align:center}
  .pc{display:none}
  .cta{padding:88px 0}
  .cta__acts{gap:20px}
  .fab{padding:.75em 1.15em}
}