@charset "utf-8";

/* ==========================================================================
   Kaeru HOTELS Design — khd.css

   構成
     1. 基本（変数・リセット・共通部品）
     2. セクション別の基本スタイル（ページの並び順）
     3. レスポンシブ（ブレイクポイントごとに集約）

   ブレイクポイント（3章の記述順＝後ろほど優先）
     max-width:1080px            ヒーローを一段組へ
     561px〜1080px               ヒーローのタブレット調整
     max-width:900px             ナビ縮小・各セクションを一列へ
     min-width:821px             一列化した後も残すデスクトップ配置
                                 （821〜900pxでは900px以下より優先）
     max-width:820px             固定CTAを幅いっぱいに
     max-width:760px             フォームを一列へ
     max-width:560px             スマホ
   ========================================================================== */


/* ==========================================================================
   1. 基本
   ========================================================================== */

:root{
  --paper:#f6f4ee;--paper-2:#eae7dd;--sumi:#1e201d;--sumi-2:#4a4d47;
  --dim:#64675f;--faint:#9c9d93;--aka:#33553f;--aka-deep:#26402f;
  --line:rgba(30,32,29,.13);--line-2:rgba(30,32,29,.07);
  --mincho:"Shippori Mincho",serif;--sans:"Noto Sans JP",sans-serif;--en:"Inter",sans-serif;
  --ease:cubic-bezier(.22,.7,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--sumi);font-family:var(--sans);font-weight:400;line-height:1.95;letter-spacing:.03em;font-feature-settings:"palt" 1;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;line-break:strict}
p,td,.l,.lead,h2,h3,.h,.t{word-break:auto-phrase;text-wrap:pretty}
.nb{display:inline-block}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--aka);color:#fff}

.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
.em{color:var(--aka)}
.yr{font-size:.82em;opacity:.75;margin-left:2px;letter-spacing:0}
h2.ttl{font-family:var(--mincho);font-weight:700;font-size:clamp(28px,3.6vw,46px);line-height:1.55;letter-spacing:.06em}
.lead{color:var(--dim);font-size:15px;line-height:2.2}
.eyebrow{font-family:var(--mincho);font-weight:600;letter-spacing:.2em;font-size:clamp(13px,1.1vw,16px);display:flex;align-items:center;gap:14px;color:var(--sumi-2)}
.eyebrow::before{content:"";width:36px;height:1px;background:var(--aka)}

/* button */
.btn{display:inline-flex;align-items:center;gap:14px;font-size:12px;font-weight:500;letter-spacing:.14em;padding:16px 30px;border:1px solid var(--sumi);background:transparent;color:var(--sumi);transition:all .45s var(--ease)}
.btn .ar{font-family:var(--en);font-size:14px;transition:transform .45s var(--ease)}
.btn:hover{background:var(--sumi);color:var(--paper)}
.btn:hover .ar{transform:translateX(6px)}
.btn-aka{background:transparent;color:var(--aka);border-color:var(--aka)}
.btn-aka:hover{background:var(--aka);color:#fff}

/* line button（ヒーローCTA・固定CTA共通） */
.btn-line{display:inline-flex;flex-direction:column;align-items:flex-start;gap:6px;padding:18px 30px 16px;border:2px solid var(--aka);font-family:var(--mincho);font-size:1.1em;font-weight:700;letter-spacing:0;line-height:1.5;transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease)}
.btn-line .ar{position:relative;display:block;width:100%;height:1px;font-size:0}
.btn-line .ar::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:currentColor;transition:left .45s var(--ease),right .45s var(--ease)}
.btn-line .ar::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg);transition:right .45s var(--ease)}
.btn-line:hover .ar{transform:none}
.btn-line:hover .ar::before{left:-8px;right:-8px}
.btn-line:hover .ar::after{right:-8px}

/* text link */
.lnk2{display:inline-flex;align-items:center;gap:10px;padding:10px 2px;border-bottom:1px solid rgba(30,32,29,.45);font-size:12.5px;font-weight:500;letter-spacing:.1em;color:var(--sumi);transition:border-color .3s var(--ease)}
.lnk2 .ar{font-family:var(--en);font-size:14px;transition:transform .45s var(--ease)}
.lnk2:hover{border-bottom-color:var(--sumi)}
.lnk2:hover .ar{transform:translateX(6px)}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}


/* ==========================================================================
   2. セクション
   ========================================================================== */

/* header ------------------------------------------------------------------ */
header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:15px 40px;transition:all .5s var(--ease);background:linear-gradient(180deg,rgba(15,17,14,.5),rgba(15,17,14,0))}
header.scrolled{padding:13px 40px;background:rgba(246,244,238,.95);backdrop-filter:blur(9px);border-bottom:1px solid var(--line-2)}
header.light{background:rgba(246,244,238,.92);backdrop-filter:blur(9px);border-bottom:1px solid var(--line-2)}
.logo{display:flex;align-items:center;gap:11px}
.logo-img{height:56px;width:auto;display:block;transition:filter .5s var(--ease)}
.logo-img.foot{height:48px;filter:brightness(0) invert(1)}
header .logo-img{filter:brightness(0) invert(1)}
header.scrolled .logo-img{filter:none}
header.light .logo-img{filter:none}
nav{display:flex;align-items:center;gap:28px}
nav a.lnk{font-family:var(--sans);font-size:13px;font-weight:500;letter-spacing:.04em;color:var(--sumi-2);position:relative;padding:4px 0}
nav a.lnk::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--aka);transition:width .4s var(--ease)}
nav a.lnk:hover::after{width:100%}
header nav a.lnk{color:rgba(255,255,255,.85)}
header.scrolled nav a.lnk{color:var(--sumi-2)}
header.light nav a.lnk{color:var(--sumi-2)}
nav .cta{font-size:12px;font-weight:500;letter-spacing:.08em;color:#fff;border:1px solid rgba(255,255,255,.7);padding:9px 18px;background:transparent;transition:all .3s var(--ease)}
nav .cta:hover{background:#fff;color:var(--sumi);border-color:#fff}
header.scrolled nav .cta,header.light nav .cta{color:var(--aka);border-color:var(--aka)}
header.scrolled nav .cta:hover,header.light nav .cta:hover{background:var(--aka);color:#fff}

/* hero A: split / vertical ------------------------------------------------ */
.heroA{position:relative;min-height:100vh;display:grid;grid-template-columns:46% 54%;background:var(--paper)}
.heroA .l{display:flex;flex-direction:column;justify-content:space-between;padding:100px 0 40px 6.5vw;position:relative;z-index:2}
.heroA .eyebrow{margin-bottom:10px}
.heroA .head{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:2.4vw;padding:0 3vw 0 0;min-height:0}
.heroA .side{writing-mode:vertical-rl;font-family:var(--mincho);font-weight:500;font-size:13px;letter-spacing:.6em;color:var(--faint);white-space:nowrap}
.heroA .rule{width:1px;align-self:center;height:min(300px,38vh);background:var(--line)}
.heroA h1{writing-mode:vertical-rl;font-family:var(--mincho);font-weight:700;font-size:clamp(26px,2.6vw,38px);line-height:2;letter-spacing:.1em;font-feature-settings:"vpal" 1}
.heroA h1 span{white-space:nowrap}
.heroA .foot{max-width:580px}
.heroA .facts{display:flex;margin:0 0 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.heroA .facts .f{flex:1;padding:14px 16px 14px 0}
.heroA .facts .f+.f{padding-left:18px;border-left:1px solid var(--line)}
.heroA .facts .k{font-family:var(--mincho);font-weight:700;font-size:15px;letter-spacing:.04em}
.heroA .facts .v{margin-top:5px;font-size:11px;color:var(--dim);line-height:1.7}
.heroA .cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.heroA .cta .btn{padding:17px 30px}
.heroA .cta .btn-line{background:transparent;color:var(--aka)}
.heroA .cta .btn-line:hover{background:var(--aka);color:#fff}
.heroA .r{position:relative;overflow:hidden;min-height:100vh}
.heroA .r img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;animation:kbM 22s linear both;opacity:0;z-index:0;transition:opacity 1.8s ease-in-out}
.heroA .r img.on{opacity:1;z-index:2}
.heroA .r img.prev{opacity:1;z-index:1}
.heroA .r::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--paper),transparent 16%)}
@keyframes kbM{from{transform:scale(1.02)}to{transform:scale(1.08)}}

/* proof strip（現在HTMLではコメントアウト中） ----------------------------- */
.proof{background:var(--paper-2)}
.proof .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.proof .i{padding:48px 30px;border-left:1px solid var(--line-2);text-align:center}
.proof .i:first-child{border-left:none}
.proof .i .k{font-family:var(--mincho);font-weight:700;font-size:clamp(22px,2.3vw,30px);letter-spacing:.02em}
.proof .i .k .u{font-size:.5em;color:var(--dim);margin-left:5px;font-weight:400}
.proof .i .l{margin-top:8px;font-size:12.5px;color:var(--dim);line-height:1.7}

/* benefit ----------------------------------------------------------------- */
.benefit{padding:120px 0 116px;background:var(--paper-2);text-align:center}
.benefit .wrap{max-width:880px}
.benefit h2{font-family:var(--mincho);font-weight:700;font-size:clamp(26px,3.2vw,40px);line-height:1.6;letter-spacing:.08em}
.benefit h2::after{content:"";display:block;width:36px;height:1px;background:var(--aka);margin:34px auto 32px}
.benefit p{max-width:34em;margin:0 auto;font-size:15px;line-height:2.3;color:var(--sumi-2);text-wrap:balance}
.benefit p+p{margin-top:.6em}
.benefit .key{margin:.9em auto;font-family:var(--mincho);font-weight:600;font-size:clamp(18px,1.9vw,23px);line-height:1.9;letter-spacing:.06em;color:var(--sumi)}
.benefit p:last-child:not(:first-child){margin-top:2.2em;font-size:14px;color:var(--dim)}

/* value（設計する人、つくる人、なおす人を分けない） ------------------------ */
.value{padding:134px 0}
.value .top{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin-bottom:60px}
.value h2.ttl .em{color:var(--aka)}
.value .top p{color:var(--dim);font-size:15px;line-height:2.2}
.flow4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;counter-reset:s}
.flow4 .s{position:relative;padding:30px 12px 30px 0;border-top:1px solid var(--sumi)}
.flow4 .s .n{font-family:var(--mincho);font-size:13px;font-weight:600;letter-spacing:.5em;color:var(--aka)}
.flow4 .s .n.wide{letter-spacing:1.2em}
.flow4 .s h3{font-family:var(--mincho);font-weight:700;font-size:18px;margin:14px 0 10px;letter-spacing:.03em}
.flow4 .s p{font-size:13px;color:var(--dim);line-height:1.95}
.value .band{margin-top:44px;color:var(--aka-deep);border:1px solid var(--line);padding:34px 40px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;text-align:center;background:url(/common/img/bg_view.webp) 50% 50% no-repeat;background-size:cover}
.value .band .t{font-family:var(--mincho);font-weight:600;font-size:clamp(18px,2vw,24px);letter-spacing:.04em}
.value .band .btn{border-color:var(--aka-deep);color:var(--aka-deep)}
.value .band .btn:hover{background:var(--aka-deep);color:var(--paper)}

/* works（対応できる、空間の領域） ------------------------------------------ */
.works{padding:134px 0}
.wgroup{display:grid;grid-template-columns:200px 1fr;gap:36px;padding:36px 0;border-top:1px solid var(--line)}
.wgroup:last-child{border-bottom:1px solid var(--line)}
.wlabel{display:flex;align-items:flex-start;gap:12px;color:var(--aka)}
.wlabel .n{font-family:var(--en);font-size:12px;font-weight:600;letter-spacing:.08em}
.wlabel h3{font-family:var(--mincho);font-weight:600;font-size:19px;letter-spacing:.3em;writing-mode:vertical-rl;padding-top:2px}
.wimgs{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:repeat(2,minmax(0,1fr));gap:18px}
.wimgs .card.big{grid-row:span 2}
.card{position:relative;display:block}
.card .ph{position:relative;overflow:hidden;background:var(--paper);border:1px solid var(--line);padding:8px;aspect-ratio:4/3}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.card .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(18,22,18,.3),rgba(18,22,18,0) 56%);opacity:0;transition:opacity .5s var(--ease);z-index:1}
.card:hover .ph img{transform:scale(1.05)}
.card:hover .ph::after{opacity:1}
.wimgs .card.big .ph{aspect-ratio:auto;height:100%}
.wimgs .card.big .ph img{position:absolute;inset:8px;width:calc(100% - 16px);height:calc(100% - 16px)}

/* strength（気になる点に、お答えします） ------------------------------------ */
.strength{padding:130px 0;background:var(--paper-2)}
.sec-head{margin-bottom:60px}
.str-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
.str{padding:40px 40px 40px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr;gap:6px}
.str:nth-child(odd){padding-right:52px;border-right:1px solid var(--line)}
.str:nth-child(even){padding-left:52px}
.str .n{font-family:var(--en);font-size:14px;font-weight:600;color:var(--aka);padding-top:5px}
.str h3{font-family:var(--mincho);font-weight:600;font-size:clamp(18px,1.7vw,21px);line-height:1.55;letter-spacing:.03em;margin-bottom:14px}
.str p{color:var(--dim);font-size:14px;line-height:2.05}

/* flow（ご相談から、引き渡しのあとまで） ------------------------------------ */
.flow{padding:134px 0}
.steps{margin-top:50px;border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:80px 240px 1fr;gap:28px;align-items:baseline;padding:30px 0;border-bottom:1px solid var(--line);transition:padding-left .4s var(--ease)}
.step:hover{padding-left:12px}
.step .n{font-family:var(--mincho);font-size:26px;color:var(--aka)}
.step .h{font-family:var(--mincho);font-size:18px;font-weight:600;letter-spacing:.03em}
.step p{color:var(--dim);font-size:14px;line-height:1.95}

/* founder（代表より） ------------------------------------------------------ */
.founder{padding:130px 0}
.founder .grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px;align-items:center}
.founder .pt{position:relative;aspect-ratio:4/5;background:var(--paper);border:1px solid var(--line);padding:10px;overflow:hidden}
.founder .pt img{width:100%;height:100%;object-fit:cover;object-position:center}
.founder h2.ttl{margin:22px 0 24px}
.founder .msg{color:var(--dim);font-size:14.5px;line-height:2.05;margin-top:18px}
.founder .lnk-u{border-bottom:1px solid rgba(30,32,29,.35);transition:border-color .3s}
.founder .lnk-u:hover{border-bottom-color:var(--aka);color:var(--aka)}
.founder .sign{margin-top:28px;display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.founder .sign .role{font-family:var(--en);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--aka)}
.founder .sign .nm{font-family:var(--mincho);font-weight:700;font-size:24px;letter-spacing:.05em}

/* company（会社概要） ------------------------------------------------------ */
.company{padding:130px 0;background:var(--paper-2)}
.company .grid{display:grid;grid-template-columns:1fr 1.15fr;gap:70px;align-items:start}
table.info{width:100%;border-collapse:collapse}
table.info th,table.info td{text-align:left;padding:17px 0;border-bottom:1px solid var(--line);vertical-align:top;font-weight:400}
table.info th{width:15em;font-family:var(--mincho);font-weight:600;font-size:12px;letter-spacing:.06em;text-align:center;color:var(--aka);padding:1.75em 2em 0 2em}
table.info td{font-size:14px;line-height:1.9}
.lic div{padding:7px 0;border-top:1px solid var(--line-2)}
.lic div:first-child{border-top:none;padding-top:0}
.lic dt{font-weight:500;color:var(--sumi)}
.lic .ln{display:block}
.lic dd{color:var(--dim);font-size:13px;line-height:1.85}

/* contact ----------------------------------------------------------------- */
.contact{padding:150px 0;text-align:center}
.contact .rule{width:1px;height:44px;background:var(--aka);margin:0 auto 32px}
.contact h2{font-family:var(--mincho);font-weight:700;font-size:clamp(28px,3.8vw,48px);line-height:1.5;letter-spacing:.03em}
.contact p{color:var(--dim);font-size:15px;line-height:2.2;max-width:36em;margin:22px auto 40px}
.cform{max-width:800px;margin:0 auto;text-align:left}
.cform .row{display:grid;grid-template-columns:26% 1fr;gap:16px;align-items:center;padding:16px 0;border-top:1px solid var(--line)}
.cform .row.last{border-bottom:1px solid var(--line)}
.cform .row:has(textarea){align-items:start}
.cform label{font-size:14px;font-weight:500;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cform .lbl{font-size:14px;font-weight:500;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cform .req,.cform .opt{font-size:10.5px;font-weight:500;padding:2px 7px;letter-spacing:.04em}
.cform .req{background:var(--aka);color:#fff}
.cform .opt{border:1px solid var(--line);color:var(--dim)}
.cform input[type=text],.cform input[type=tel],.cform input[type=email],.cform textarea{width:100%;font:inherit;font-size:15px;color:var(--sumi);background:#fff;border:1px solid rgba(30,32,29,.22);border-radius:0;padding:12px 14px;transition:border-color .2s}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--aka);box-shadow:0 0 0 3px rgba(51,85,63,.14)}
.cform ::placeholder{color:#a3a59d}
.cform textarea{resize:vertical;line-height:1.8}
.cform .radios{display:flex;gap:10px 24px;flex-wrap:wrap}
.cform .radios.grid2{flex-wrap:nowrap;gap:10px 22px;white-space:nowrap}
.cform .radios label{font-weight:400;gap:8px;cursor:pointer}
.cform .radios input{width:17px;height:17px;accent-color:var(--aka);margin:0}
.cform .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.cform .privacy{margin-top:32px;max-height:220px;overflow-y:auto;background:#fff;border:1px solid rgba(30,32,29,.18);padding:20px 22px;font-size:12.5px;line-height:1.85;color:var(--dim)}
.cform .privacy:focus{outline:none;border-color:var(--aka)}
.cform .privacy h3{font-family:var(--mincho);font-size:15px;font-weight:700;color:var(--sumi);margin-bottom:10px}
.cform .privacy h4{font-size:13px;font-weight:600;color:var(--sumi);margin:16px 0 4px}
.cform .privacy p{font-size:12.5px;line-height:1.85;margin:0;max-width:none;color:var(--dim);text-align:left}
.cform .privacy p+p{margin-top:4px}
.cform .agree{justify-content:center;margin:28px 0 24px;font-weight:400;font-size:14px;cursor:pointer}
.cform .agree input{width:18px;height:18px;accent-color:var(--aka);margin:0}
.cform .agree a{border-bottom:1px solid rgba(30,32,29,.4)}
.cform .submit{display:flex;margin:0 auto;min-width:260px;justify-content:center;cursor:pointer;font-family:inherit}

/* thanks（送信完了・thanks.tmpl） ------------------------------------------ */
.thanks{padding:150px 0 140px;text-align:center}
.thanks .wrap{max-width:760px}
.thanks .eyebrow{justify-content:center;margin-bottom:20px}
.thanks .eyebrow::after{content:"";width:36px;height:1px;background:var(--aka)}
.thanks h1{font-family:var(--mincho);font-weight:700;font-size:clamp(26px,3.4vw,42px);line-height:1.6;letter-spacing:.06em}
.thanks .msg{max-width:36em;margin:26px auto 0;color:var(--dim);font-size:15px;line-height:2.2}
.thanks .addr{display:inline-block;margin-right:.35em;color:var(--sumi);font-family:var(--en);font-weight:500;letter-spacing:.02em;line-height:1.7;border-bottom:1px solid var(--aka);word-break:break-all}
.thanks .timer{max-width:340px;margin:52px auto 0}
.thanks .timer p{font-size:12.5px;letter-spacing:.08em;color:var(--faint);line-height:1.8}
.thanks progress{display:block;width:100%;height:1px;margin-top:14px;border:none;background:var(--line);color:var(--aka);-webkit-appearance:none;appearance:none}
.thanks progress::-webkit-progress-bar{background:var(--line)}
.thanks progress::-webkit-progress-value{background:var(--aka);transition:width .9s linear}
.thanks progress::-moz-progress-bar{background:var(--aka)}
.thanks .back{margin-top:44px}
.thanks .back .btn{min-width:260px;justify-content:center}

/* footer ------------------------------------------------------------------ */
footer{background:var(--sumi);color:#e6e0d6;padding:66px 0 34px}
.foot-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.11)}
.foot-brand .l{display:flex;align-items:center;gap:10px}
.foot-brand p{color:#948d83;font-size:13px;line-height:2;margin-top:16px;max-width:25em}
.foot-col h3{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--paper);margin-bottom:16px}
.foot-col a{display:block;color:#b4ac9f;font-size:13px;padding:6px 0}
.foot-col a:hover{color:#fff}
.foot-bot{display:flex;justify-content:space-between;align-items:center;padding-top:26px;flex-wrap:wrap;gap:14px}
.foot-bot small{color:#8a837a;font-size:12px;font-family:var(--en)}

/* floating CTA（.btn-line と併用） ----------------------------------------- */
.fcta{position:fixed;left:24px;bottom:26px;z-index:60;background:var(--aka);color:#fff;box-shadow:0 12px 32px rgba(13,15,12,.28),0 2px 8px rgba(13,15,12,.2);opacity:0;transform:translateY(14px);pointer-events:none;transition:background .3s var(--ease),border-color .3s var(--ease),opacity .4s var(--ease),transform .3s var(--ease)}
.fcta.show{opacity:1;transform:none;pointer-events:auto}
.fcta.show:hover{background:var(--aka-deep);border-color:var(--aka-deep);transform:translateY(-2px)}


/* ==========================================================================
   3. レスポンシブ
   ========================================================================== */

/* 1080px以下：ヒーローを一段組へ ------------------------------------------- */
@media(max-width:1080px){
  .heroA{grid-template-columns:1fr}
  .heroA .r{min-height:46vh;order:-1}
  .heroA .r::after{background:linear-gradient(0deg,var(--paper),transparent 18%)}
  .heroA .l{padding:40px 8vw 50px}
  .heroA .head{justify-content:flex-start;padding:30px 0}
  .heroA h1{writing-mode:horizontal-tb;line-height:1.6;letter-spacing:.05em}
  .heroA .side,.heroA .rule{display:none}
  .heroA .facts{flex-direction:column}
  .heroA .facts .f{padding:14px 0}
  .heroA .facts .f+.f{padding:14px 0 0;border-left:none;border-top:1px solid var(--line)}
}

/* 561〜1080px：ヒーローのタブレット調整 ------------------------------------- */
@media(min-width:561px) and (max-width:1080px){
  .heroA{min-height:0}
  .heroA .l{justify-content:flex-start}
  .heroA .head{flex:none;padding:12px 0 36px}
  .heroA h1{font-size:clamp(28px,4.2vw,34px)}
  .heroA h1 br{display:none}
  .heroA .foot{max-width:none}
  .heroA .facts{flex-direction:row}
  .heroA .facts .f{padding:14px 16px 14px 0}
  .heroA .facts .f+.f{padding:14px 0 14px 18px;border-top:none;border-left:1px solid var(--line)}
}

/* 900px以下：ナビ縮小・各セクションを一列へ --------------------------------- */
@media(max-width:900px){
  /* header */
  nav{gap:12px}
  nav .lnk{display:none}
  /* sections */
  .value,.works,.strength,.flow,.founder,.company{padding:96px 0}
  /* value */
  .value .top{grid-template-columns:1fr;gap:26px}
  .flow4{grid-template-columns:1fr}
  /* works */
  .wgroup{grid-template-columns:1fr;gap:16px;padding:28px 0}
  .wlabel{align-items:center}
  .wlabel h3{writing-mode:horizontal-tb;letter-spacing:.2em;padding-top:0}
  .wimgs{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .wimgs .card.big{grid-column:span 2;grid-row:auto}
  .wimgs .card.big .ph{aspect-ratio:16/10;height:auto}
  /* strength */
  .str-grid{grid-template-columns:1fr}
  .str,.str:nth-child(odd),.str:nth-child(even){padding:32px 0;border-right:none}
  /* flow */
  .step{grid-template-columns:56px 1fr;gap:6px 20px}
  .step p{grid-column:1/-1}
  /* founder */
  .founder h2.ttl{margin-top:0}
  /* company */
  .company .grid{grid-template-columns:1fr;gap:40px}
  /* contact */
  .cform .radios.grid2{display:grid;grid-template-columns:repeat(2,max-content);gap:10px 28px}
  /* footer */
  .foot-top{grid-template-columns:1fr 1fr}
}

/* 821px以上：デスクトップ配置（821〜900pxでは上の900px以下より優先） -------- */
@media(min-width:821px){
  /* proof */
  .proof .wrap{grid-template-columns:1fr;max-width:640px;margin:0 auto}
  .proof .i{border-left:none;border-top:1px solid var(--line);padding:30px}
  .proof .i:first-child{border-top:none}
  /* value */
  .value .top{grid-template-columns:1fr auto;align-items:start;gap:70px}
  .value .top>div{max-width:34em}
  .value h2.ttl{writing-mode:vertical-rl;order:2;line-height:2.1;letter-spacing:.12em;font-size:clamp(24px,2.4vw,34px)}
  .flow4{grid-template-columns:1fr;max-width:760px;gap:0;margin:0 auto}
  .flow4 .s{display:grid;grid-template-columns:100px 230px 1fr;gap:0 26px;align-items:baseline;border-top:1px solid var(--line);padding:24px 0}
  .flow4 .s h3{margin:0}
  .flow4 .s:last-child{border-bottom:1px solid var(--line)}
  /* works：3グループ目は大きい写真を右へ */
  .wrap>.wgroup:nth-child(3) .wimgs{grid-template-columns:1fr 2fr}
  .wrap>.wgroup:nth-child(3) .wimgs .card.big{grid-column:2;grid-row:1/span 2}
  .wrap>.wgroup:nth-child(3) .wimgs .card:not(.big){grid-column:1}
  /* flow */
  .flow .wrap{max-width:860px}
  .step{grid-template-columns:90px 1fr;gap:8px 28px}
  .step p{grid-column:2}
  /* company */
  .company .grid{grid-template-columns:1fr;gap:44px;max-width:780px;margin:0 auto}
}

/* 820px以下：固定CTAを幅いっぱいに ------------------------------------------ */
@media(max-width:820px){
  /* proof */
  .proof .wrap{grid-template-columns:1fr 1fr}
  .proof .i{border-left:none}
  .proof .i:nth-child(even){border-left:1px solid var(--line-2)}
  /* floating CTA */
  .fcta{left:16px;right:16px;bottom:16px;align-items:center;padding:12px 20px 10px;font-size:1rem}
  footer{padding-bottom:84px}
}

/* 760px以下：フォームを一列へ ----------------------------------------------- */
@media(max-width:760px){
  .cform .row{grid-template-columns:1fr;gap:8px;padding:14px 0}
}

/* 560px以下：スマホ -------------------------------------------------------- */
@media(max-width:560px){
  .wrap{padding:0 22px}
  .value,.works,.strength,.flow,.founder,.company{padding:72px 0}
  /* header */
  header,header.scrolled{padding:12px 14px 12px 10px}
  .logo-img{height:50px}
  nav .cta{padding:8px 12px;white-space:nowrap}
  nav .cta .lg{display:none}
  /* hero */
  .heroA .facts .f{text-align:center}
  .heroA .cta{flex-direction:column;align-items:center;gap:18px}
  /* benefit */
  .benefit{padding:84px 0 80px;text-align:left}
  .benefit h2::after{margin:26px 0 24px}
  .benefit p{text-wrap:pretty}
  /* founder */
  .founder .grid{grid-template-columns:1fr;gap:40px}
  /* thanks */
  .thanks{padding:118px 0 96px}
  .thanks .msg{font-size:14px;line-height:2.1}
  .thanks .back .btn{min-width:0;width:100%}
  /* company */
  table.info,table.info tbody,table.info tr,table.info th,table.info td{display:block}
  table.info tr{padding:16px 0;border-bottom:1px solid var(--line)}
  table.info th,table.info td{width:auto;padding:0;border-bottom:none}
  table.info th{text-align:left;margin-bottom:4px}
  /* footer */
  .foot-top{grid-template-columns:1fr}
}

/* contact form: server-side validation errors */
.cform .errs{margin-bottom:24px;padding:16px 20px;border:1px solid #c44;background:#fdf3f3;color:#a22;font-size:14px;line-height:1.8}
.cform .errs p{margin:0 0 4px;font-weight:600;color:#a22;max-width:none;text-align:left}
.cform .errs ul{margin:0;padding-left:1.2em}
.cform .submit.is-sending{opacity:.6;cursor:wait;pointer-events:none}