/* RE.sense — 白を基調に、細い線と「.」のアクセント色だけで組む。
   レイアウト：左寄せの大きな見出し＋細い罫線、セクションは白と淡いグレーを交互に */
:root{
  --bg:#ffffff;
  --tint:#f5f6f7;
  --ink:#15181b;
  --muted:#5b636b;
  --line:#e3e6e9;
  --accent:#4f7889;      /* RE.sense の「.」の色 */
  --accent-soft:#e6eef1;
  --line-green:#06c755;  /* LINEのブランドカラー（LINEボタンのみ） */
  --serif-en:"Fraunces","Times New Roman",serif;
  --serif-ja:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Noto Sans JP","Hiragino Sans","Yu Gothic",system-ui,sans-serif;
  --ease:cubic-bezier(.22,.8,.24,1);
  --hd:64px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hd) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.9;letter-spacing:.03em;overflow-x:hidden}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:600}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
[hidden]{display:none!important}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.pc{display:none}
@media (min-width:768px){.pc{display:inline}}

/* 進み具合バー */
.progress{position:fixed;inset:0 0 auto;height:2px;z-index:60;pointer-events:none}
.progress span{display:block;height:100%;width:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(0)}


/* ヘッダー */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:transform .45s var(--ease),border-color .3s}
.hd.is-scrolled{border-bottom-color:var(--line)}
.hd.is-hidden{transform:translateY(-100%)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:var(--hd)}
.mark{font-family:var(--serif-en);font-weight:400;font-size:26px;letter-spacing:.02em;text-decoration:none;line-height:1;display:inline-flex;align-items:baseline;min-height:44px;align-items:center}
.mark .dot{color:var(--accent);display:inline-block;transition:transform .4s var(--ease)}
.mark:hover .dot{transform:translateY(-6px)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{position:relative;text-decoration:none;font-size:16px;padding:10px 12px;min-height:44px;display:inline-flex;align-items:center}
.nav a:not(.nav-cta)::after{content:"";position:absolute;left:12px;right:12px;bottom:8px;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:100% 50%;transition:transform .4s var(--ease)}
.nav a:not(.nav-cta):hover::after{transform:scaleX(1);transform-origin:0 50%}
.nav-cta{margin-left:8px;background:var(--line-green);color:#fff;border-radius:999px;padding:10px 20px!important;font-weight:500;transition:transform .3s var(--ease),box-shadow .3s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 20px -10px var(--line-green)}
.burger{display:none;width:48px;height:48px;border:0;background:none;padding:0;cursor:pointer;position:relative}
.burger span{position:absolute;left:12px;right:12px;height:1.5px;background:var(--ink);transition:transform .4s var(--ease),top .4s var(--ease)}
.burger span:nth-child(1){top:19px}
.burger span:nth-child(2){top:28px}
.burger[aria-expanded="true"] span:nth-child(1){top:24px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){top:24px;transform:rotate(-45deg)}

@media (max-width:900px){
  .burger{display:block;z-index:2}
  .nav{position:fixed;inset:0;z-index:1;flex-direction:column;align-items:flex-start;justify-content:center;gap:4px;
    padding:calc(var(--hd) + 24px) max(28px,env(safe-area-inset-right,0px)) 40px max(28px,env(safe-area-inset-left,0px));
    background:var(--bg);clip-path:circle(0 at calc(100% - 44px) 32px);visibility:hidden;transition:clip-path .7s var(--ease),visibility 0s .7s}
  .nav.is-open{clip-path:circle(150% at calc(100% - 44px) 32px);visibility:visible;transition:clip-path .7s var(--ease)}
  .nav a{font-family:var(--serif-ja);font-size:24px;padding:10px 0;opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
  .nav a:not(.nav-cta)::after{left:0;right:0}
  .nav.is-open a{opacity:1;transform:none}
  .nav.is-open a:nth-child(1){transition-delay:.15s}
  .nav.is-open a:nth-child(2){transition-delay:.21s}
  .nav.is-open a:nth-child(3){transition-delay:.27s}
  .nav.is-open a:nth-child(4){transition-delay:.33s}
  .nav.is-open a:nth-child(5){transition-delay:.39s}
  .nav-cta{margin:20px 0 0;font-family:var(--sans)!important;font-size:18px!important;padding:14px 28px!important}
}

/* ボタン（左から色が流れる） */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 30px;border-radius:999px;font-family:var(--sans);font-size:16px;font-weight:500;letter-spacing:.06em;text-decoration:none;border:1px solid transparent;cursor:pointer;isolation:isolate;transition:color .45s var(--ease),transform .3s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;transform:scaleX(0);transform-origin:100% 50%;transition:transform .5s var(--ease)}
.btn:hover::before{transform:scaleX(1);transform-origin:0 50%}
.btn:active{transform:scale(.98)}
.btn-line{background:var(--line-green);color:#fff}
.btn-line::before{background:var(--ink)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost::before{background:var(--ink)}
.btn-ghost:hover{color:var(--bg)}
.btn-dark{background:var(--ink);color:var(--bg);width:100%}
.btn-dark::before{background:var(--accent)}
.btn-lg{min-height:60px;font-size:18px;padding:16px 40px}

/* ヒーロー */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-in{position:relative;z-index:1;padding-block:clamp(72px,14vw,150px) clamp(72px,10vw,120px);display:grid;gap:28px;justify-items:start}
.eyebrow{font-family:var(--serif-en);font-style:italic;font-weight:300;font-size:18px;color:var(--accent);letter-spacing:.06em}
.nw{display:inline-block}
.split .w{display:inline-block;white-space:nowrap}
.split .ch{display:inline-block;animation:chIn .8s var(--ease) both}
.hero-title{font-family:var(--serif-ja);font-weight:500;font-size:clamp(36px,7vw,76px);line-height:1.35;letter-spacing:.06em}
.ln{display:block;overflow:hidden;padding-bottom:.06em}
.ln>span{display:inline-block;animation:lineUp 1.1s var(--ease) both}
.ln:nth-child(2)>span{animation-delay:.14s}
.hero-lead{max-width:34em;color:var(--muted);font-size:17px;animation:fadeUp 1s var(--ease) .45s both}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;animation:fadeUp 1s var(--ease) .6s both}
.scroll{display:inline-flex;align-items:center;gap:12px;margin-top:24px;min-height:44px;text-decoration:none;font-family:var(--serif-en);font-style:italic;font-size:16px;color:var(--muted);animation:fadeUp 1s var(--ease) .8s both}
.scroll::before{content:"";width:1px;height:44px;background:linear-gradient(var(--ink) 50%,var(--line) 50%);background-size:100% 200%;animation:scrollLine 2s var(--ease) infinite}


/* ヒーローのグラフィック（canvasで画面の解像度に合わせて描く） */
.hero-art{position:absolute;z-index:0;width:min(640px,120vw);aspect-ratio:1/1;max-width:none;right:-12%;top:50%;transform:translateY(-50%);pointer-events:none}
@media (max-width:767px){.hero-art{right:-62%;top:16%;opacity:.6}.eyebrow{font-size:16px}}

/* 流れる文字 */
.marquee{overflow:hidden;border-bottom:1px solid var(--line);padding-block:18px;white-space:nowrap}
.marquee-track{display:inline-flex;gap:48px;animation:marquee 36s linear infinite;font-family:var(--serif-en);font-weight:300;font-size:clamp(24px,4vw,40px);color:var(--muted)}
.marquee-track span{display:inline-flex;align-items:center;gap:48px}
.marquee-track span::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.marquee:hover .marquee-track{animation-play-state:paused}

/* セクション共通 */
.sec{padding-block:clamp(80px,12vw,140px)}
.sec-tint{background:var(--tint)}
.sec-head{display:grid;gap:10px;margin-bottom:clamp(36px,6vw,64px)}
.label{display:inline-flex;align-items:center;gap:14px;font-family:var(--serif-en);font-style:italic;font-weight:300;font-size:18px;color:var(--accent);letter-spacing:.08em}
.label::before{content:"";width:32px;height:1px;background:var(--accent)}
.sec-head h2{font-family:var(--serif-ja);font-weight:500;font-size:clamp(28px,4.4vw,44px);line-height:1.5;letter-spacing:.06em;text-wrap:balance}
.note{margin-top:28px;color:var(--muted);font-size:16px}

/* 私たちについて */
.about{display:grid;gap:12px}
@media (min-width:900px){.about{grid-template-columns:5fr 6fr;gap:64px;align-items:start}.about .sec-head{position:sticky;top:calc(var(--hd) + 40px)}}
.about-body{display:grid;gap:24px;min-width:0}
.about-body>p{font-size:17px}
.info{margin:16px 0 0;border-top:1px solid var(--line)}
.info>div{display:grid;grid-template-columns:7em 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.info dt{color:var(--muted)}
.info dd{margin:0;min-width:0}

/* サービス */
.cards{display:grid;gap:20px}
@media (min-width:768px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{position:relative;background:var(--bg);padding:36px 28px 32px;display:grid;gap:12px;align-content:start;border:1px solid var(--line);transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s}
.card::after{content:"";position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:0 50%;transition:transform .6s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 48px -28px rgba(21,24,27,.28);border-color:transparent}
.card:hover::after{transform:scaleX(1)}
.ico{width:52px;height:52px;fill:none;stroke:var(--ink);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.card:hover .ico *{stroke-dasharray:200;animation:redraw 1.2s var(--ease) both}
.card-en{font-family:var(--serif-en);font-style:italic;font-weight:300;font-size:16px;color:var(--accent)}
.card h3{font-family:var(--serif-ja);font-weight:500;font-size:24px;letter-spacing:.06em}
.card>p:not(.card-en){color:var(--muted)}
.card ul{list-style:none;margin:8px 0 0;padding:16px 0 0;border-top:1px solid var(--line);display:grid;gap:6px}
.card li{display:flex;gap:10px;align-items:baseline}
.card li::before{content:"";flex:none;width:5px;height:5px;border-radius:50%;background:var(--accent);transform:translateY(-3px)}

/* 選ばれる理由 */
.points{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--ink)}
.points li{display:grid;gap:8px;padding:32px 0;border-bottom:1px solid var(--line);position:relative}
@media (min-width:768px){.points li{grid-template-columns:5fr 7fr;gap:40px;padding:40px 0}}
.points li::before{content:"";position:absolute;left:0;top:-1px;height:1px;width:0;background:var(--accent);transition:width 1.2s var(--ease) .2s}
.points li.is-in::before{width:100%}
.points h3{font-family:var(--serif-ja);font-weight:500;font-size:22px;letter-spacing:.06em}
.points p{color:var(--muted)}

/* ご相談の流れ */
.flow{list-style:none;margin:0;padding:0;display:grid;gap:16px;counter-reset:none;position:relative}
@media (min-width:900px){.flow{grid-template-columns:repeat(4,1fr);gap:20px}}
.flow li{position:relative;background:var(--bg);border:1px solid var(--line);padding:28px 24px;display:grid;gap:8px;align-content:start}
.step{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:50%;border:1px solid var(--accent);color:var(--accent);font-family:var(--serif-en);font-size:20px;font-variant-numeric:tabular-nums;transition:background .5s var(--ease),color .5s var(--ease)}
.flow li.is-in .step{background:var(--accent);color:var(--bg)}
.flow h3{font-family:var(--serif-ja);font-weight:500;font-size:20px;letter-spacing:.05em}
.flow p{color:var(--muted)}

/* お問い合わせ */
.line-card{border:1px solid var(--line);padding:clamp(28px,5vw,56px);display:grid;gap:24px;justify-items:start;background:linear-gradient(160deg,var(--accent-soft),var(--bg) 60%)}
@media (min-width:768px){.line-card{grid-template-columns:1fr auto;align-items:center;gap:40px}}
.line-text{display:grid;gap:12px;min-width:0}
.line-act{display:grid;gap:16px;justify-items:center}
/* QRコードはPC（マウス操作の画面）だけに出す。スマホはボタンで追加 */
.line-qr{display:none;margin:0;gap:10px;justify-items:center;text-align:center;font-size:16px;color:var(--muted);line-height:1.6}
.line-qr img{display:block;width:168px;height:168px;background:#fff;padding:8px;border:1px solid var(--line)}
@media (hover:hover) and (pointer:fine) and (min-width:768px){.line-qr{display:grid}}
.line-lead{font-family:var(--serif-ja);font-weight:500;font-size:clamp(24px,3vw,30px);letter-spacing:.06em}
.line-text>p:not(.line-lead){color:var(--muted)}

/* フッター */
.ft{border-top:1px solid var(--line)}
.ft-in{padding-block:48px 40px;display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between}
.ft-nav{display:flex;flex-wrap:wrap;gap:4px 8px}
.ft-nav a{text-decoration:none;color:var(--muted);padding:10px 8px;min-height:44px;display:inline-flex;align-items:center;transition:color .3s}
.ft-nav a:hover{color:var(--ink)}
.copy{color:var(--muted);font-size:16px;width:100%}
@media (max-width:767px){.ft-in{padding-bottom:120px}}

/* 追従するLINEボタン */
.float-line{position:fixed;z-index:40;right:max(16px,env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));display:inline-flex;align-items:center;gap:8px;min-height:56px;padding:0 22px 0 18px;border-radius:999px;background:var(--line-green);color:#fff;text-decoration:none;font-weight:500;box-shadow:0 12px 28px -12px rgba(6,199,85,.7);transform:translateY(140%);transition:transform .6s var(--ease)}
.float-line.is-show{transform:none}
.float-line svg{width:24px;height:24px;fill:#fff}
.float-line::before{content:"";position:absolute;inset:0;border-radius:inherit;border:2px solid var(--line-green);animation:ping 2.4s cubic-bezier(0,0,.2,1) infinite;pointer-events:none}

/* スクロールで現れる演出：画面外の要素だけJSで隠してから出す */
.reveal.pre{opacity:0;transform:translateY(32px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity 1s var(--ease),transform 1s var(--ease);transition-delay:var(--d,0s)}

/* キーフレーム */
@keyframes lineUp{from{transform:translateY(105%)}to{transform:none}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@keyframes chIn{from{opacity:0;transform:translateY(.6em)}to{opacity:1;transform:none}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes redraw{from{stroke-dashoffset:200}to{stroke-dashoffset:0}}
@keyframes marquee{to{transform:translateX(-50%)}}
@keyframes scrollLine{0%{background-position:0 100%}100%{background-position:0 -100%}}
@keyframes ping{0%{transform:scale(1);opacity:.6}80%,100%{transform:scale(1.25);opacity:0}}

/* 動きを減らす設定のとき */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .reveal.pre{opacity:1;transform:none}
  .marquee-track{animation:none}
}