@charset "UTF-8";
/* =========================================================
   青山会計事務所 - main stylesheet
   Figma スタイルガイド(node 4-26959)準拠
   ========================================================= */

:root{
  --black:#000;
  --black-bg:#303030;
  --ink:#1d1d1d;
  --blue-1:#3f4f8a;
  --blue-2:#59b9c7;
  --blue-3:#b7c8d0;
  --gray-main:#fcfafa;
  --gray-accent:#efefef;
  --white:#fff;

  --maxw:1440px;
  --pad:clamp(24px,4.17vw,60px);

  --jp:"Zen Kaku Gothic Antique",-apple-system,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  --en:"Outfit",var(--jp);

  --grid:30px;
  --grid-line:rgba(0,0,0,.035);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--jp);color:var(--ink);background:var(--gray-main);
  line-height:1.8;letter-spacing:.06em;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.grid-bg{
  background-image:
    linear-gradient(to right,var(--grid-line) 1px,transparent 1px),
    linear-gradient(to bottom,var(--grid-line) 1px,transparent 1px);
  background-size:var(--grid) var(--grid);
}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad);width:100%}

.en-title{font-family:var(--en);font-weight:200;line-height:1;letter-spacing:-.04em;color:var(--ink)}
.sec-label{display:flex;align-items:center;gap:12px;font-weight:500;font-size:15px;letter-spacing:.08em}
.sec-label .sq{width:10px;height:10px;background:var(--blue-1);flex:none}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- text link (style guide ❶) ---------- */
.tlink{display:inline-flex;align-items:center;gap:24px;font-size:16px;font-weight:500;cursor:pointer}
.tlink .ln{position:relative;width:120px;height:1px;background:currentColor;opacity:.35;overflow:hidden;transition:opacity .4s}
.tlink .ln::after{content:"";position:absolute;inset:0;left:-100%;background:currentColor;transition:left .55s cubic-bezier(.16,1,.3,1)}
.tlink:hover .ln{opacity:1}
.tlink:hover .ln::after{left:100%}
.tlink .lb{position:relative;display:inline-block;height:1.6em;overflow:hidden}
.tlink .lb span{display:block;transition:transform .45s cubic-bezier(.16,1,.3,1)}
.tlink:hover .lb span{transform:translateY(-1.6em)}

/* ---------- pill arrow button (style guide ❷) ---------- */
.pill{display:inline-flex;align-items:center;justify-content:center;width:84px;height:30px;border:1px solid currentColor;border-radius:15px;opacity:.4;transition:opacity .4s}
.pill svg{width:30px;height:8px}
.card:hover .pill,.pill:hover{opacity:1}

/* =========================================================
   HEADER (mix-blend-difference)
   ========================================================= */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:60;mix-blend-mode:difference}
.header-in{display:flex;align-items:center;justify-content:space-between;height:74px;padding-block:8px}
.logo{font-weight:500;font-size:20px;letter-spacing:.12em;color:var(--white)}
.nav .menu{display:flex;align-items:center;gap:36px}
.nav .menu a{position:relative;font-size:14px;letter-spacing:.06em;color:var(--white);padding-bottom:4px;display:inline-block}
.nav .menu a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--white);transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.16,1,.3,1)}
.nav .menu a:hover::after{transform:scaleX(1)}
.icons{display:flex;align-items:center;gap:10px}
.icobtn{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;cursor:pointer;border:1px solid var(--white);background:transparent;color:var(--white);transition:background .35s,color .35s}
.icobtn.solid{background:var(--white);color:var(--black-bg)}
.icobtn:hover{background:var(--white);color:var(--black-bg)}
.icobtn.solid:hover{background:transparent;color:var(--white)}
.icobtn svg{width:18px;height:18px}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;padding-top:150px}
.hero-head{position:relative;display:flex;align-items:flex-start;justify-content:space-between;gap:40px}
.hero h1{font-family:var(--en);font-weight:200;letter-spacing:-.05em;line-height:.95;font-size:clamp(48px,7.6vw,110px);color:var(--ink)}
.hero .sub{margin-top:22px;font-size:16px;letter-spacing:.06em}
.scroll-btn{flex:none;width:96px;height:96px;border:1px solid var(--ink);display:grid;place-items:center;margin-top:8px;color:var(--ink)}
.scroll-btn svg{width:34px;height:42px;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(-4px)}50%{transform:translateY(6px)}}
.hero-pixels{right:var(--pad);top:300px}
.hero-img{position:relative;margin-top:34px;overflow:hidden;aspect-ratio:1351/690}
.hero-img img{width:100%;height:100%;object-fit:cover}
.hero-img::after{content:"";position:absolute;inset:0;background:var(--black-bg);opacity:.14}

/* =========================================================
   REALIZATION
   ========================================================= */
.realization{position:relative;padding-block:clamp(80px,11vw,150px)}
.realization-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,80px);align-items:center}
.realization .en-title{color:var(--blue-1);font-size:clamp(36px,5.6vw,76px);letter-spacing:-.02em;line-height:1.05}
.realization h3{font-size:clamp(22px,2.4vw,30px);font-weight:500;margin:34px 0 28px;letter-spacing:.04em}
.realization p{font-size:16px;line-height:2;letter-spacing:.08em}
.realization p+p{margin-top:1.6em}
.realization .tlink{margin-top:40px}
.real-figure{position:relative}
.real-figure .ph{position:relative;aspect-ratio:600/420;border-radius:10px;overflow:hidden}
.real-figure .ph img{width:100%;height:100%;object-fit:cover}
.real-figure .ph::after{content:"";position:absolute;inset:0;background:var(--black-bg);opacity:.05}
.real-pixels-tr{top:-30px;right:-30px}
.real-pixels-bl{left:-30px;bottom:-30px}

/* =========================================================
   MARQUEE
   ========================================================= */
.marquee{position:relative;overflow:hidden;border-top:1px solid rgba(0,0,0,.12);border-bottom:1px solid rgba(0,0,0,.12);padding-block:18px;white-space:nowrap}
.marquee .track{display:inline-flex;will-change:transform}
.marquee span{font-family:var(--en);font-weight:300;letter-spacing:-.02em;font-size:clamp(40px,7vw,105px);line-height:1;color:var(--ink);padding-right:.4em}
.marquee.left .track{animation:scrollL 26s linear infinite}
.marquee.right .track{animation:scrollR 26s linear infinite}
@keyframes scrollL{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes scrollR{from{transform:translateX(-50%)}to{transform:translateX(0)}}

/* =========================================================
   SERVICE
   ========================================================= */
.service{position:relative;padding-block:clamp(70px,9vw,110px)}
.service-head{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:24px;margin-bottom:60px}
.service-head .ttl .en-title{font-size:clamp(40px,5vw,70px);margin-top:14px}
.service-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,60px)}
.svc-card{position:relative}
.svc-card:nth-child(2){transform:translateY(30px)}
.svc-card:nth-child(3){transform:translateY(60px)}
.svc-card .ph{position:relative;aspect-ratio:360/390;border-radius:10px;overflow:hidden}
.svc-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.16,1,.3,1)}
.svc-card:hover .ph img{transform:scale(1.06)}
.svc-card .meta{display:flex;align-items:center;gap:10px;margin-top:22px}
.svc-card .meta h4{font-size:20px;font-weight:500;letter-spacing:.06em}
.svc-card .meta .dot{width:10px;height:10px;background:var(--blue-1);flex:none}
.svc-card .en-sub{font-family:var(--en);font-weight:300;font-size:13px;color:#888;letter-spacing:.04em;margin-top:4px}
.svc-card .pill{margin-top:18px}

/* =========================================================
   FEATURE
   ========================================================= */
.feature{position:relative;padding-block:clamp(70px,9vw,120px);overflow:hidden}
.feature .head .en-title{font-size:clamp(40px,5vw,70px);margin-top:14px}
.feature .feat-marquee{margin-block:30px;border:none}
.feature .feat-marquee span{color:rgba(0,0,0,.06)}
.feature-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,5vw,70px);align-items:center;position:relative;z-index:2}
.feat-figure{position:relative;min-height:480px}
.feat-figure .back{position:absolute;left:0;top:10px;width:74%;aspect-ratio:360/483;border-radius:10px;overflow:hidden}
.feat-figure .back img{width:100%;height:100%;object-fit:cover}
.feat-figure .back::after{content:"";position:absolute;inset:0;background:var(--black-bg);opacity:.4}
.feat-figure .front{position:absolute;left:8%;top:0;width:80%;aspect-ratio:360/483;border-radius:10px;overflow:hidden;transform:rotate(-6.6deg);box-shadow:0 30px 60px rgba(0,0,0,.18)}
.feat-figure .front img{width:100%;height:100%;object-fit:cover}
.feature h3{font-size:clamp(22px,2.4vw,30px);font-weight:500;margin-bottom:26px;letter-spacing:.04em}
.feature p{font-size:16px;line-height:2;letter-spacing:.08em}
.feature .tlink{margin-top:36px}
.feat-pixels-tr{top:0;right:6%}
.feat-pixels-bl{left:0;bottom:6%}

/* =========================================================
   CUSTOMER VOICE (dark, stepped top)
   ========================================================= */
.voice{position:relative;background:var(--black-bg);color:var(--white);padding-block:clamp(70px,9vw,110px);margin-top:60px;
  clip-path:polygon(0 0,34% 0,34% 30px,67% 30px,67% 60px,100% 60px,100% 100%,0 100%)}
.voice .grid-bg-dark{position:absolute;inset:0;
  background-image:linear-gradient(to right,rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:var(--grid) var(--grid);pointer-events:none}
.voice .inner{position:relative;display:grid;grid-template-columns:280px 1fr;gap:clamp(24px,4vw,60px);align-items:start}
.voice .en-title{color:var(--white);font-size:clamp(40px,5vw,73px);line-height:1.08}
.voice .lead .label{margin-bottom:18px;color:var(--white)}
.voice-nav{display:flex;gap:14px;margin-top:40px}
.voice-nav button{width:48px;height:30px;border:1px solid rgba(255,255,255,.5);border-radius:15px;background:transparent;color:#fff;cursor:pointer;display:grid;place-items:center;transition:.3s}
.voice-nav button:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.voice-nav button svg{width:24px;height:8px}
.voice-track-wrap{overflow:hidden}
.voice-track{display:flex;transition:transform .6s cubic-bezier(.16,1,.3,1)}
.vcard{flex:0 0 300px;padding:0 32px;border-left:1px solid rgba(255,255,255,.14)}
.vcard:last-child{border-right:1px solid rgba(255,255,255,.14)}
.vcard .no{font-family:var(--en);font-size:11px;letter-spacing:.1em;opacity:.7}
.vcard .ph{margin-top:14px;aspect-ratio:300/330;border-radius:10px;overflow:hidden}
.vcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.16,1,.3,1)}
.vcard:hover .ph img{transform:scale(1.07)}
.vcard .co{margin-top:18px;font-size:13px;opacity:.6;letter-spacing:.06em}
.vcard .q{margin-top:8px;font-size:16px;font-weight:500;line-height:1.9}
.voice-foot{display:flex;justify-content:center}
.voice .tlink{margin-top:56px;color:#fff;justify-content:center}
.voice .tlink .ln{width:60px}

/* =========================================================
   NEWS
   ========================================================= */
.news{position:relative;padding-block:clamp(70px,9vw,110px)}
.news-grid{display:grid;grid-template-columns:280px 1fr;gap:clamp(24px,4vw,60px);align-items:start}
.news .en-title{font-size:clamp(40px,5vw,73px);margin-top:14px}
.news-list{border-top:1px solid rgba(0,0,0,.12)}
.news-item{display:grid;grid-template-columns:180px 1fr;gap:30px;align-items:center;padding:30px 0;border-bottom:1px solid rgba(0,0,0,.12)}
.news-item .thumb{width:100%;aspect-ratio:3/2;border-radius:5px;overflow:hidden}
.news-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.16,1,.3,1)}
.news-item:hover .thumb img{transform:scale(1.06)}
.news-item .row{display:flex;align-items:center;gap:18px;margin-bottom:14px}
.news-item .tag{background:var(--black-bg);color:#fff;font-size:12px;letter-spacing:.1em;border-radius:15px;padding:3px 16px}
.news-item .date{font-family:var(--en);font-weight:200;font-size:15px;letter-spacing:.04em}
.news-item .ttl{font-size:18px;font-weight:500;letter-spacing:.06em}
.news-more{margin-top:34px;float:right}

/* =========================================================
   FOOTER + Contact Us (dark, stepped top)
   ========================================================= */
.site-footer{position:relative;background:var(--black-bg);color:var(--white);padding-block:clamp(70px,8vw,100px) 50px;
  clip-path:polygon(0 0,40% 0,40% 40px,100% 40px,100% 100%,0 100%)}
.footer-grid-bg{position:absolute;inset:0;
  background-image:linear-gradient(to right,rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:var(--grid) var(--grid);pointer-events:none}
.site-footer .inner{position:relative}
.contact{background:var(--gray-accent);border-radius:10px;color:var(--ink);display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:clamp(30px,4vw,56px);overflow:hidden}
.contact .label{margin-bottom:18px}
.contact .en-title{font-size:clamp(56px,8vw,110px);letter-spacing:-.05em;line-height:.95}
.contact p{margin-top:26px;font-size:16px;line-height:2;letter-spacing:.06em}
.contact .tlink{margin-top:34px}
.collage{display:grid;grid-template-columns:1fr 1fr;gap:14px;height:clamp(340px,30vw,420px);overflow:hidden}
.collage .col{display:flex;flex-direction:column;gap:14px}
.collage .col.down{animation:loopDown 22s linear infinite}
.collage .col.up{animation:loopUp 22s linear infinite}
.collage img{width:100%;aspect-ratio:1/.78;object-fit:cover;border-radius:8px;flex:none}
@keyframes loopUp{from{transform:translateY(0)}to{transform:translateY(-50%)}}
@keyframes loopDown{from{transform:translateY(-50%)}to{transform:translateY(0)}}
.foot-bottom{display:grid;grid-template-columns:1.2fr 2fr;gap:40px;margin-top:clamp(50px,6vw,80px)}
.foot-brand .name{font-family:var(--en);font-weight:300;font-size:32px;letter-spacing:.02em}
.foot-brand .addr{margin-top:30px;font-size:15px;line-height:1.6;letter-spacing:.06em;opacity:.95}
.foot-brand .copy{margin-top:30px;font-size:12px;opacity:.7;letter-spacing:.06em}
.foot-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.foot-nav .col>a{display:block;font-weight:500;font-size:16px;letter-spacing:.06em;margin-bottom:14px}
.foot-nav .sub a{display:block;font-size:15px;opacity:.7;letter-spacing:.06em;padding-left:14px;position:relative;margin-bottom:10px}
.foot-nav .sub a::before{content:"–";position:absolute;left:0;opacity:.7}
.foot-nav a:hover{opacity:1;text-decoration:underline}

/* =========================================================
   MENU OVERLAY
   ========================================================= */
.menu{position:fixed;inset:0;z-index:80;background:var(--black-bg);color:var(--white);display:grid;grid-template-columns:1fr 1fr;opacity:0;visibility:hidden;transition:opacity .5s ease}
.menu.open{opacity:1;visibility:visible}
.menu .grid-bg-dark{position:absolute;inset:0;
  background-image:linear-gradient(to right,rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:var(--grid) var(--grid);pointer-events:none}
.menu-close{position:absolute;top:24px;right:var(--pad);width:54px;height:54px;border-radius:50%;background:#000;color:#fff;border:none;display:grid;place-items:center;cursor:pointer;z-index:3}
.menu-close svg{width:20px;height:20px}
.menu-left{position:relative;z-index:2;padding:clamp(90px,12vh,139px) clamp(30px,6vw,120px) 0;align-self:start;width:100%}
.menu-nav{max-width:480px}
.mrow{padding:20px 0;border-bottom:1px solid rgba(255,255,255,.18)}
.mrow:first-child{border-top:1px solid rgba(255,255,255,.18)}
.mrow .main{position:relative;display:inline-block;font-size:17px;font-weight:500;letter-spacing:.06em;cursor:pointer;color:#fff;opacity:.85;transition:opacity .3s}
.mrow .main::after{content:"";position:absolute;left:0;bottom:-4px;height:1px;width:100%;background:#fff;opacity:0;transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.16,1,.3,1),opacity .3s}
.mrow:hover .main,.mrow.active .main{opacity:1}
.mrow:hover .main::after,.mrow.active .main::after{opacity:1;transform:scaleX(1)}
.mrow .subs{display:inline-flex;flex-wrap:wrap;gap:10px 40px;margin-left:30px}
.mrow .subs a{font-size:15px;opacity:.55;letter-spacing:.06em;position:relative;padding-left:14px;transition:opacity .3s}
.mrow .subs a::before{content:"–";position:absolute;left:0}
.mrow .subs a:hover{opacity:1}
.menu-right{position:relative;overflow:hidden}
.menu-right img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .6s ease,transform 1.2s ease;transform:scale(1.05)}
.menu-right img.active{opacity:1;transform:scale(1)}
.menu-right::after{content:"";position:absolute;inset:0;background:var(--black-bg);opacity:.14}
.menu-marquee{position:absolute;bottom:30px;left:0;width:100%;overflow:hidden;white-space:nowrap;pointer-events:none;mix-blend-mode:difference;z-index:2}
.menu-marquee .track{display:inline-flex;animation:scrollL 30s linear infinite}
.menu-marquee span{font-family:var(--en);font-weight:100;font-size:clamp(70px,12vw,170px);line-height:1;letter-spacing:-.05em;color:#fff;opacity:.4;padding-right:.3em}

body.locked{overflow:hidden}

/* =========================================================
   RESPONSIVE  ── タブレット
   ========================================================= */
@media(max-width:900px){
  .nav{display:none}                 /* PCナビは隠す（メール+メニューは常時表示） */
  .scroll-btn{width:64px;height:64px}
  .hero-pixels{display:none}
  .realization-grid{grid-template-columns:1fr}
  .real-figure{order:-1;margin-bottom:24px}
  .real-pixels-tr,.real-pixels-bl{display:none}
  .feature-grid{grid-template-columns:1fr}
  .feat-figure{min-height:420px;margin-bottom:24px}
  .feat-pixels-tr,.feat-pixels-bl{display:none}
  .voice .inner{grid-template-columns:1fr}
  .vcard{flex:0 0 78%;border-left:none;border-bottom:1px solid rgba(255,255,255,.14);padding:0 0 28px}
  .vcard+.vcard{margin-top:0;margin-left:28px}
  .news-grid{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  .collage{height:300px}
  .foot-bottom{grid-template-columns:1fr;gap:40px}
  .foot-nav{grid-template-columns:repeat(2,1fr)}
  .menu{grid-template-columns:1fr}
  .menu-right{display:none}
}

/* =========================================================
   RESPONSIVE  ── スマートフォン (Figma SP=375)
   ========================================================= */
@media(max-width:640px){
  :root{--pad:24px;--grid:15px}

  .header-in{height:62px}
  .logo{font-size:17px}
  .icobtn{width:40px;height:40px}
  .icobtn svg{width:16px;height:16px}

  /* HERO */
  .hero{padding-top:110px}
  .hero h1{font-size:46px}
  .hero .sub{margin-top:16px;font-size:14px}
  .hero-img{margin-top:26px;aspect-ratio:375/480}

  /* REALIZATION : SPでは写真を省略しテキスト中心（Figma準拠） */
  .realization{padding-block:64px}
  .real-figure{display:none}
  .realization .en-title{font-size:34px}
  .realization h3{font-size:22px;margin:24px 0 20px}

  .marquee{padding-block:12px}
  .marquee span{font-size:40px}

  /* SERVICE : 横スクロール */
  .service-head{margin-bottom:40px}
  .service-head .tlink{order:3}
  .service-cards{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
    margin-inline:calc(-1*var(--pad));padding:8px var(--pad) 16px;-webkit-overflow-scrolling:touch}
  .service-cards::-webkit-scrollbar{height:0}
  .svc-card{flex:0 0 270px;scroll-snap-align:start}
  .svc-card:nth-child(2),.svc-card:nth-child(3){transform:none}
  .svc-card .ph{aspect-ratio:270/300}

  /* FEATURE */
  .feature{padding-block:60px}
  .feat-figure{min-height:360px}
  .feature .feat-marquee span{font-size:48px}

  /* VOICE : 横スクロール */
  .voice{margin-top:40px;padding-block:60px;clip-path:polygon(0 0,55% 0,55% 22px,100% 22px,100% 100%,0 100%)}
  .voice .en-title{font-size:42px}
  .voice-track-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .voice-track-wrap::-webkit-scrollbar{height:0}
  .voice-track{transition:none}
  .vcard{flex:0 0 270px;border:none;padding:0 0 24px}
  .vcard+.vcard{margin-left:24px;border-left:1px solid rgba(255,255,255,.14);padding-left:24px}
  .voice-nav{display:none}              /* SPはスワイプ操作 */
  .vcard .ph{aspect-ratio:270/300}

  /* NEWS : サムネを上に積む */
  .news{padding-block:60px}
  .news .en-title{font-size:42px}
  .news-item{grid-template-columns:1fr;gap:16px}
  .news-item .thumb{aspect-ratio:315/210}
  .news-more{float:none;display:inline-flex;margin-top:28px}

  /* FOOTER */
  .site-footer{clip-path:polygon(0 0,62% 0,62% 22px,100% 22px,100% 100%,0 100%)}
  .contact .en-title{font-size:60px}
  .collage{height:260px;gap:10px}
  .foot-nav{grid-template-columns:1fr 1fr;gap:28px 20px}
  .foot-brand .name{font-size:26px}

  /* MENU */
  .menu-left{padding-top:96px}
  .mrow .subs{display:flex;flex-direction:column;gap:8px;margin-left:18px;margin-top:10px}
  .menu-marquee span{font-size:70px}
}