/* SalesHack Partners 共通スタイル */
:root{
  --ink:#1b1c1e;
  --sub:#3f4246;
  --mute:#6a6e73;
  --line:#dcdddf;
  --ltr:#8a8e93;
  --paper:#ffffff;
  --wash:#f7f7f6;
  --gutter:clamp(20px,7vw,120px);
  --serif:'Shippori Mincho','Noto Serif JP','Hiragino Mincho ProN',serif;
  --latin:'Cormorant Garamond','Shippori Mincho',serif;
}
*{box-sizing:border-box}
html,body{margin:0}
html{scroll-behavior:smooth}
body{font-family:var(--serif);color:var(--ink);background:var(--paper);font-size:17px;font-weight:500;line-height:2;letter-spacing:.05em;text-rendering:optimizeLegibility}
a{color:inherit}
img{max-width:100%;display:block}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ヘッダー */
.site-header{position:absolute;z-index:20;left:0;right:0;top:0;display:flex;justify-content:space-between;align-items:center;padding:30px clamp(20px,5vw,72px);text-shadow:0 0 16px #fff,0 0 6px #fff,0 0 3px #fff}
.logo{font-weight:600;letter-spacing:.16em;font-size:17px;text-decoration:none}
.gnav{display:flex;gap:clamp(18px,2.6vw,40px);font-size:15px;font-weight:600;letter-spacing:.14em}
.gnav a{text-decoration:none;padding-bottom:4px;border-bottom:1px solid transparent;transition:border-color .3s}
.gnav a:hover,.gnav a[aria-current=page]{border-color:var(--ink)}
.menu-btn{display:none;background:none;border:0;padding:8px 0;font:inherit;font-size:14px;font-weight:600;letter-spacing:.24em;color:var(--ink);cursor:pointer}
.drawer{position:fixed;inset:0;z-index:30;background:#fffffff7;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;flex-direction:column;justify-content:center;padding:0 32px;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.drawer.open{opacity:1;visibility:visible}
.drawer a{display:block;text-decoration:none;font-weight:500;font-size:22px;letter-spacing:.2em;padding:16px 0;border-bottom:1px solid var(--line)}
.drawer .close{position:absolute;top:30px;right:20px}

/* トップの最初の画面 */
.hero{position:relative;min-height:100svh;overflow:hidden;isolation:isolate}
.sand{position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#00000026 0,#00000026 32%,#000 64%);mask-image:linear-gradient(90deg,#00000026 0,#00000026 32%,#000 64%)}
.sand i{position:absolute;inset:0;background:center/cover no-repeat;opacity:0;animation:sandfade 32s linear infinite;will-change:opacity}
.sand i:nth-child(1){background-image:url(/assets/sand/p1-d.webp);opacity:1;animation-delay:-2.88s}
.sand i:nth-child(2){background-image:url(/assets/sand/p3-d.webp);animation-delay:5.12s}
.sand i:nth-child(3){background-image:url(/assets/sand/p5-d.webp);animation-delay:13.12s}
.sand i:nth-child(4){background-image:url(/assets/sand/p7-d.webp);animation-delay:21.12s}
@keyframes sandfade{0%{opacity:0}9%{opacity:1}25%{opacity:1}34%{opacity:0}100%{opacity:0}}
.grain{position:absolute;inset:0;pointer-events:none;opacity:.05;mix-blend-mode:multiply;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E")}
.hero-copy{text-shadow:0 0 18px #fff,0 0 8px #fff,0 0 3px #fff;position:relative;z-index:5;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:120px var(--gutter);max-width:900px}
.hero h1{margin:0;font-weight:500;font-size:clamp(30px,min(4.4vw,8svh),64px);line-height:1.7;letter-spacing:.14em}
.hero .lead{margin:34px 0 0;font-size:clamp(16px,1.25vw,18px);font-weight:600;line-height:2.2;letter-spacing:.1em;color:var(--sub)}
.hero .biz{margin:52px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:14px 12px;font-size:16px;font-weight:600;letter-spacing:.14em}
.hero .biz li{padding:0 0 0 14px;border-left:1px solid var(--ltr);margin-right:26px}
.scroll-cue{position:absolute;z-index:5;right:clamp(20px,5vw,72px);bottom:32px;writing-mode:vertical-rl;font-family:var(--latin);font-size:14px;letter-spacing:.4em;color:var(--mute);text-decoration:none}
.scroll-cue::after{content:"";display:block;width:1px;height:56px;margin:14px auto 0;background:linear-gradient(var(--mute),transparent)}

/* 下層ページの見出し帯 */
.band{position:relative;height:clamp(300px,50vh,500px);overflow:hidden;isolation:isolate}
.band-sand{position:absolute;inset:0;background:right center/cover no-repeat;-webkit-mask-image:linear-gradient(90deg,#0000001f 0,#0000001f 28%,#000 62%);mask-image:linear-gradient(90deg,#0000001f 0,#0000001f 28%,#000 62%)}
.band::after{content:"";position:absolute;left:0;right:0;bottom:0;height:40%;background:linear-gradient(transparent,#fff);z-index:1}
.band-title{position:absolute;z-index:5;left:var(--gutter);bottom:clamp(36px,7vh,64px);text-shadow:0 0 18px #fff,0 0 8px #fff,0 0 3px #fff}
.band-title .en{display:block;font-family:var(--latin);font-size:15px;font-weight:500;letter-spacing:.42em;color:var(--mute);text-transform:uppercase;margin-bottom:10px}
.band-title h1{margin:0;font-weight:500;font-size:clamp(28px,3.4vw,44px);letter-spacing:.2em;line-height:1.5}

/* 本文 */
main{display:block}
.section{padding:clamp(72px,12vw,150px) var(--gutter)}
.section.tight{padding-top:clamp(40px,6vw,72px)}
.section.wash{background:#fff}
.wrap{max-width:1080px;margin:0 auto}
.narrow{max-width:760px;margin:0 auto}
.label{display:block;font-family:var(--latin);font-size:15px;font-weight:500;letter-spacing:.42em;color:var(--mute);text-transform:uppercase;margin-bottom:12px}
.h2{margin:0 0 clamp(36px,5vw,56px);font-weight:500;font-size:clamp(24px,2.6vw,34px);letter-spacing:.18em;line-height:1.6}
.intro{margin:0 0 clamp(48px,7vw,80px);font-size:clamp(16px,1.3vw,18px);line-height:2.3;color:var(--sub)}
p{margin:0 0 1.2em}

/* 事業の一覧(トップ) */
.biz-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.biz-list li{border-bottom:1px solid var(--line)}
.biz-list a{display:grid;grid-template-columns:72px 1fr auto;gap:24px;align-items:baseline;padding:34px 0;text-decoration:none;transition:padding .35s}
.biz-list a:hover{padding-left:12px}
.num{font-family:var(--latin);font-size:17px;font-weight:500;letter-spacing:.2em;color:var(--mute)}
.biz-list h3{margin:0 0 6px;font-weight:600;font-size:clamp(19px,1.7vw,23px);letter-spacing:.14em}
.biz-list p{margin:0;font-size:16px;color:var(--sub);line-height:2}
.arrow{font-family:var(--latin);font-size:15px;font-weight:500;letter-spacing:.3em;color:var(--mute)}

/* 事業紹介(詳細) */
.biz-block{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:clamp(28px,6vw,96px);padding:clamp(56px,8vw,96px) 0;border-top:1px solid var(--line)}
.biz-block:last-child{border-bottom:1px solid var(--line)}
.biz-block h2{margin:8px 0 0;font-weight:500;font-size:clamp(22px,2.2vw,30px);letter-spacing:.16em;line-height:1.6}
.biz-block .catch{font-weight:600;font-size:clamp(17px,1.4vw,19px);line-height:2.1;margin:0 0 28px}
.points{list-style:none;margin:0 0 8px;padding:0}
.points li{padding:18px 0;border-top:1px solid var(--line)}
.points li:last-child{border-bottom:1px solid var(--line)}
.points b{display:block;font-weight:600;font-size:17px;letter-spacing:.12em;margin-bottom:2px}
.points span{font-size:16px;color:var(--sub);line-height:2}
.note{font-size:15px;color:var(--sub);margin-top:24px}
.service-card{margin-top:28px;padding:28px 30px;border:1px solid var(--line);background:#fff}
.service-card .name{font-family:var(--latin);font-weight:500;font-size:24px;letter-spacing:.12em;margin:0 0 6px}
.service-card p{font-size:16px;color:var(--sub);margin:0 0 18px}

/* 流れ */
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow li{padding:30px 24px 30px 0}
.flow li+li{padding-left:24px;border-left:1px solid var(--line)}
.flow b{display:block;font-weight:600;font-size:17px;letter-spacing:.14em;margin:6px 0 4px}
.flow span{font-size:15.5px;color:var(--sub);line-height:1.9;display:block}

/* 表(会社概要) */
.dl{display:grid;grid-template-columns:200px 1fr;margin:0;border-top:1px solid var(--line)}
.dl dt,.dl dd{margin:0;padding:24px 0;border-bottom:1px solid var(--line)}
.dl dt{color:var(--sub);font-weight:600;letter-spacing:.14em;font-size:15px;padding-top:26px}
.dl dd ul{margin:0;padding:0;list-style:none}

/* ボタン */
.btn{display:inline-block;padding:16px 42px;border:1px solid var(--ink);color:var(--ink);text-decoration:none;letter-spacing:.18em;font-size:16px;font-weight:600;background:#ffffffcc;transition:background .3s,color .3s;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--ink);color:#fff}
.btn.small{padding:13px 30px;font-size:15px}
.hero .btn{align-self:flex-start;margin-top:48px}
.more{margin-top:40px}

/* お問い合わせの帯 */
.cta-band{position:relative;overflow:hidden;isolation:isolate;text-align:center;padding:clamp(88px,12vw,150px) var(--gutter)}
.cta-band .band-sand{background-position:center;-webkit-mask-image:radial-gradient(ellipse at center,#00000020 0,#00000020 30%,#000 75%);mask-image:radial-gradient(ellipse at center,#00000020 0,#00000020 30%,#000 75%)}
.cta-band .inner{position:relative;z-index:5;text-shadow:0 0 18px #fff,0 0 8px #fff,0 0 3px #fff}
.cta-band p{color:var(--sub);margin:0 0 36px}

/* フォーム */
.form{display:grid;gap:28px}
.field label{display:block;font-size:16px;font-weight:600;letter-spacing:.1em;margin-bottom:8px}
.req,.opt{display:inline-block;margin-left:10px;font-size:12px;font-weight:600;letter-spacing:.1em;padding:0 8px;border:1px solid var(--ltr);color:var(--sub);line-height:1.8;vertical-align:2px}
.req{border-color:var(--ink);color:var(--ink)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:16px;letter-spacing:.04em;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:0;padding:14px 16px;transition:border-color .3s}
.field textarea{min-height:200px;resize:vertical;line-height:1.9}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--sub) 50%),linear-gradient(135deg,var(--sub) 50%,transparent 50%);background-position:calc(100% - 22px) 50%,calc(100% - 16px) 50%;background-size:6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink)}
.agree{font-size:16px;display:flex;gap:10px;align-items:flex-start}
.agree input{margin-top:8px;width:16px;height:16px;accent-color:var(--ink)}
.form-msg{display:none;padding:18px 20px;border:1px solid var(--ink);font-size:16px}
.form-msg.show{display:block}

/* プライバシーポリシー */
.policy h2{font-weight:600;font-size:19px;letter-spacing:.14em;margin:56px 0 16px;padding-top:28px;border-top:1px solid var(--line)}
.policy h2:first-of-type{margin-top:40px}
.policy p,.policy li{font-size:16.5px;line-height:2.1}
.policy ol,.policy ul{padding-left:1.4em;margin:0 0 1.2em}
.policy .meta{text-align:right;color:var(--sub);font-size:15px;margin-top:56px}

/* フッター */
.site-footer{border-top:1px solid var(--line);padding:56px clamp(20px,5vw,72px) 40px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px;align-items:flex-end}
.site-footer .logo{display:block;margin-bottom:8px}
.site-footer small{font-family:var(--latin);font-size:14px;letter-spacing:.2em;color:var(--mute)}
.fnav{display:flex;flex-wrap:wrap;gap:12px 28px;font-size:15px;font-weight:600;letter-spacing:.14em}
.fnav a{text-decoration:none;color:var(--sub)}
.fnav a:hover{color:var(--ink)}

@media (max-width:760px){
  .gnav{display:none}
  .menu-btn{display:block}
  .site-header{padding:24px 20px}
  .hero-copy{justify-content:flex-start;padding-top:110px}
  .hero .biz{flex-direction:column;gap:12px}
  .sand{-webkit-mask-image:linear-gradient(180deg,#0000001f 0,#0000001f 45%,#000 72%);mask-image:linear-gradient(180deg,#0000001f 0,#0000001f 45%,#000 72%)}
  .sand i:nth-child(1){background-image:url(/assets/sand/p1-m.webp)}
  .sand i:nth-child(2){background-image:url(/assets/sand/p3-m.webp)}
  .sand i:nth-child(3){background-image:url(/assets/sand/p5-m.webp)}
  .sand i:nth-child(4){background-image:url(/assets/sand/p7-m.webp)}
  .scroll-cue{display:none}
  .intro br{display:none}
  .service-card{padding:24px 18px}
  .service-card p{letter-spacing:.03em}
  .band{height:300px}
  .band-sand{-webkit-mask-image:linear-gradient(180deg,#0000001f 0,#0000001f 30%,#000 80%);mask-image:linear-gradient(180deg,#0000001f 0,#0000001f 30%,#000 80%)}
  .biz-list a{grid-template-columns:44px 1fr;gap:12px}
  .biz-list .arrow{display:none}
  .biz-block{grid-template-columns:1fr;gap:20px}
  .flow{grid-template-columns:1fr}
  .flow li,.flow li+li{padding:22px 0;border-left:0;border-top:1px solid var(--line)}
  .flow li:first-child{border-top:0}
  .dl{grid-template-columns:1fr}
  .dl dt{border-bottom:0;padding:22px 0 0}
  .dl dd{padding:4px 0 22px}
  .site-footer{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){.sand i{animation:none}html{scroll-behavior:auto}}

/* 砂紋の端を白になじませる */
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:22%;background:linear-gradient(transparent,#fff);z-index:2;pointer-events:none}
.cta-band::before,.cta-band::after{content:"";position:absolute;left:0;right:0;height:35%;z-index:1;pointer-events:none}
.cta-band::before{top:0;background:linear-gradient(#fff,transparent)}
.cta-band::after{bottom:0;background:linear-gradient(transparent,#fff)}

/* 英字を主にした見出しとメニュー(案B) */
.en-big{display:block;font-family:var(--latin);font-weight:500;letter-spacing:.06em;line-height:1.1}
.ja-small{display:block;margin-top:14px;font-family:var(--serif);font-size:15px;font-weight:600;letter-spacing:.3em;color:var(--sub);line-height:1.6}
.band-title h1{margin:0}
.band-title .en-big{font-size:clamp(46px,5.6vw,80px)}
.h2.dual{margin-bottom:clamp(40px,5vw,60px)}
.h2.dual .en-big{font-size:clamp(38px,4.2vw,58px)}
.gnav a{font-family:var(--latin);font-size:18px;font-weight:600;letter-spacing:.1em}
.fnav a{font-family:var(--latin);font-size:17px;font-weight:600;letter-spacing:.08em}
.drawer a{display:block;padding:14px 0}
.drawer .d-en{display:block;white-space:nowrap;line-height:1.3}
.drawer .d-ja{display:block;margin-top:2px}
.drawer .d-en{font-family:var(--latin);font-size:28px;font-weight:500;letter-spacing:.06em}
.drawer .d-ja{font-size:13px;font-weight:600;letter-spacing:.2em;color:var(--sub)}
@media (max-width:760px){
  .band-title .en-big{font-size:46px}
  .h2.dual .en-big{font-size:38px}
  .ja-small{font-size:14px;margin-top:10px}
}

/* フォーム: 迷惑送信対策の欄は画面外に置く / 送信結果の表示 */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg.error{border-color:#9b2c2c;color:#9b2c2c}
.btn:disabled{opacity:.5;cursor:wait}

/* スマホの縮尺: PCと同じ「余白が多く、文字は控えめ」な印象に合わせる */
@media (max-width:760px){
  body{font-size:15px;line-height:1.95}
  .site-header{padding:20px 20px}
  .logo{font-size:14px}
  .menu-btn{font-size:12px}
  .drawer .d-en{font-size:24px}
  .drawer .d-ja{font-size:12px}

  .hero-copy{padding:96px 24px 96px}
  .hero h1{font-size:25px;line-height:1.75}
  .hero .lead{margin-top:24px;font-size:13.5px;line-height:2}
  .hero .biz{margin-top:32px;font-size:13.5px;gap:10px}
  .hero .biz li{padding-left:12px}
  .hero .btn{margin-top:36px}

  .band{height:230px}
  .band-title{bottom:28px}
  .band-title .en-big{font-size:36px}
  .ja-small{font-size:11.5px;margin-top:8px;letter-spacing:.26em}
  .h2.dual{margin-bottom:32px}
  .h2.dual .en-big{font-size:30px}

  .section{padding:64px 24px}
  .section.tight{padding-top:36px}
  .intro{font-size:14.5px;line-height:2.1;margin-bottom:40px}

  .num{font-size:13px}
  .biz-list a{padding:24px 0}
  .biz-list h3{font-size:16px}
  .biz-list p{font-size:13.5px}

  .biz-block{padding:44px 0;gap:14px}
  .biz-block h2{font-size:19px}
  .biz-block .catch{font-size:14.5px;margin-bottom:20px}
  .points li{padding:14px 0}
  .points b{font-size:14.5px}
  .points span{font-size:13.5px;line-height:1.9}
  .note{font-size:12.5px}
  .service-card{padding:20px 18px}
  .service-card .name{font-size:20px}
  .service-card p{font-size:13.5px}

  .flow li,.flow li+li{padding:18px 0}
  .flow b{font-size:14.5px}
  .flow span{font-size:13.5px}

  .dl dt{font-size:12.5px;padding-top:18px}
  .dl dd{font-size:14.5px;padding-bottom:18px}

  .btn{padding:13px 30px;font-size:14px}
  .btn.small{padding:11px 24px;font-size:13px}

  .cta-band{padding:72px 24px}
  .cta-band p{font-size:13.5px;margin-bottom:28px}

  .field label{font-size:14px}
  .req,.opt{font-size:11px}
  .field input,.field select,.field textarea{padding:12px 14px} /* 文字は16pxのまま(iPhoneで入力時に拡大されないように) */
  .agree{font-size:13px;letter-spacing:0;gap:8px}
  .form-msg{font-size:14px}

  .policy h2{font-size:16px;margin-top:44px}
  .policy p,.policy li{font-size:14.5px;line-height:2}
  .policy .meta{font-size:13px}

  .site-footer{padding:44px 24px 32px;gap:20px}
  .site-footer .logo{font-size:14px}
  .site-footer small{font-size:12px}
  .fnav{gap:10px 22px}
  .fnav a{font-size:15px}
}