/* ============================================================
   見本：IT・Web制作／業務システム・DX支援（SAMPLE TECH）
   黒地＋ライム1色。影・グラデ・光彩は使わない。
   ============================================================ */
:root{
  --bg:#0b0c0e;
  --bg2:#121417;
  --tile:#15171b;
  --line:#25282d;
  --tx:#f2f3f1;
  --mute:#9a9ea4;
  --dim:#6c7076;
  --acc:#c6f432;
  --acc-ink:#0b0c0e;
  --en:"Archivo","Noto Sans JP",sans-serif;
  --ja:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --pad:clamp(20px,4vw,48px);
  --r:14px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg);color:var(--tx);font-family:var(--ja);font-size:16px;line-height:1.85;letter-spacing:.02em;overflow-x:hidden;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,p,ul,ol,figure{margin:0;padding:0;}
h1,h2,h3,.t-mid,.b-cta-t{word-break:auto-phrase;text-wrap:balance;}
p{text-wrap:pretty;}
ul,ol{list-style:none;}
.wrap{max-width:1360px;margin:0 auto;padding:0 var(--pad);}

/* 見本の帯 */
.notice{background:#1d2024;color:#c9ccd0;font-size:12px;line-height:1.5;text-align:center;padding:7px 16px;letter-spacing:.04em;}

/* ヘッダー */
.hd{position:sticky;top:0;z-index:50;background:rgba(11,12,14,.94);border-bottom:1px solid var(--line);}
.hd-in{display:flex;align-items:center;gap:32px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;margin-right:auto;}
.logo-mark{width:18px;height:18px;background:var(--acc);border-radius:4px;}
.logo-t{font-family:var(--en);font-weight:800;font-stretch:115%;font-size:17px;letter-spacing:.01em;}
.nav{display:flex;gap:28px;font-size:14px;font-weight:500;color:#c9ccd0;}
.nav a{transition:color .25s;}
.nav a:hover{color:var(--acc);}

/* ボタン */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 26px;border-radius:8px;background:var(--acc);color:var(--acc-ink);font-weight:700;font-size:15px;letter-spacing:.04em;border:1px solid var(--acc);cursor:pointer;font-family:var(--ja);transition:background .25s,color .25s;}
.btn::after{content:"";width:8px;height:8px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg);margin-left:2px;}
.btn:hover{background:var(--tx);border-color:var(--tx);}
.btn-o{background:transparent;color:var(--tx);border-color:#3a3e44;}
.btn-o:hover{background:transparent;border-color:var(--tx);color:var(--tx);}
.btn-s{height:40px;padding:0 18px;font-size:13px;}
.btn-s::after{display:none;}
.btn-full{width:100%;}

/* 共通タイル */
.tile{background:var(--tile);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;}
.tile-acc{background:var(--acc);border-color:var(--acc);color:var(--acc-ink);}
.t-k{font-size:13px;font-weight:700;color:var(--mute);letter-spacing:.08em;}
.tile-acc .t-k{color:rgba(11,12,14,.7);}
.t-big{font-family:var(--ja);font-weight:900;font-size:clamp(44px,5vw,72px);line-height:1;letter-spacing:.02em;margin:14px 0 16px;}
.t-mid{font-weight:700;font-size:clamp(18px,1.6vw,22px);line-height:1.55;margin-top:12px;}
.t-s{font-size:14px;line-height:1.75;font-weight:500;}

/* ---------- 表紙 ---------- */
.hero{padding:clamp(40px,6vw,72px) 0 clamp(40px,5vw,64px);}
.hero-en{font-family:var(--en);font-weight:800;font-stretch:118%;text-transform:uppercase;font-size:clamp(50px,10.6vw,164px);line-height:.86;letter-spacing:-.035em;margin-left:-.04em;}
.hero-en .line{display:block;}
.hero-row{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:end;margin-top:clamp(28px,4vw,52px);}
.hero-h{font-size:clamp(26px,2.9vw,42px);font-weight:900;line-height:1.45;letter-spacing:.03em;}
.hero-side p{color:#c3c6ca;font-size:15px;}
.hero-btns{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap;}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);grid-template-rows:auto auto;gap:14px;margin-top:clamp(36px,5vw,64px);}
.hg-main{grid-column:1/9;grid-row:1/3;min-height:480px;position:relative;}
.hg-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hg-a{grid-column:9/13;padding:28px;display:flex;flex-direction:column;}
.hg-b{grid-column:9/11;padding:24px;}
.hg-c{grid-column:11/13;padding:24px;}
.hg-b .t-mid,.hg-c .t-mid{font-size:17px;}

/* ---------- 流れる帯 ---------- */
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:18px 0;}
.band-track{display:flex;width:max-content;}
.band-track span{font-family:var(--en);font-weight:800;font-stretch:118%;font-size:clamp(28px,3.4vw,48px);line-height:1;letter-spacing:-.02em;color:#3b3f45;padding:0 .6em;white-space:nowrap;display:flex;align-items:center;}
.band-track span::after{content:"";width:.28em;height:.28em;background:var(--acc);border-radius:2px;margin-left:1.2em;}

/* ---------- セクション見出し ---------- */
.sec{padding:clamp(72px,9vw,128px) 0;}
.sec-line{border-top:1px solid var(--line);}
.sh{display:flex;align-items:baseline;gap:20px 28px;flex-wrap:wrap;margin-bottom:clamp(32px,4vw,52px);}
.sh-en{font-family:var(--en);font-weight:800;font-stretch:118%;font-size:clamp(46px,7.4vw,112px);line-height:.9;letter-spacing:-.035em;}
.sh-ja{font-size:clamp(17px,1.5vw,20px);font-weight:700;letter-spacing:.1em;color:var(--mute);}
.sh-note{margin-left:auto;font-size:12px;color:var(--dim);font-family:var(--ja);align-self:flex-end;}

/* ---------- できること（ベントー） ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:14px;}
.bento .tile{padding:32px;display:flex;flex-direction:column;}
.b-web{grid-column:1/8;grid-row:span 2;padding:0 !important;}
.b-sys{grid-column:8/13;grid-row:span 2;padding:0 !important;}
.b-dx{grid-column:1/5;}
.b-tool{grid-column:5/9;}
.b-ops{grid-column:9/13;}
.b-cta{grid-column:1/13;}
.b-ph{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);}
.b-sys .b-ph{aspect-ratio:4/3;}
.b-ph img{width:100%;height:100%;object-fit:cover;}
.b-body{padding:30px 32px 34px;display:flex;flex-direction:column;flex:1;}
.b-en{font-family:var(--en);font-weight:700;font-stretch:110%;font-size:14px;letter-spacing:.02em;color:var(--acc);margin-bottom:10px;}
.tile-acc .b-en{color:var(--acc-ink);}
.bento h3{font-size:clamp(21px,1.8vw,26px);font-weight:900;line-height:1.45;margin-bottom:12px;letter-spacing:.03em;}
.bento .tile p:not(.b-en){color:#b9bcc1;font-size:15px;}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.tags li{font-size:12.5px;font-weight:500;color:#d6d8db;border:1px solid #33373d;border-radius:999px;padding:4px 12px;line-height:1.6;}
.b-cta{display:grid !important;grid-template-columns:auto 1fr auto;align-items:center;gap:32px;padding:30px 36px !important;transition:background .3s;}
.b-cta .b-en{margin:0;font-size:clamp(20px,2.2vw,30px);font-weight:800;font-stretch:118%;letter-spacing:-.02em;}
.bento .b-cta p.b-cta-t{color:var(--acc-ink);font-weight:700;font-size:clamp(15px,1.3vw,18px);}
.b-cta-go{display:inline-flex;align-items:center;gap:12px;font-weight:700;font-size:15px;border:1.5px solid var(--acc-ink);border-radius:8px;height:48px;padding:0 22px;white-space:nowrap;}
.b-cta-go::after{content:"";width:8px;height:8px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg);}
.b-cta:hover{background:var(--tx);border-color:var(--tx);}

/* ---------- 制作事例 ---------- */
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.4vw,36px);}
.w-ph{aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);}
.w-ph img{width:100%;height:100%;object-fit:cover;}
.w-meta{display:flex;flex-wrap:wrap;gap:6px 14px;margin:22px 0 10px;font-family:var(--ja);font-size:12.5px;font-weight:500;color:var(--mute);}
.w-meta span:first-child{color:var(--acc);font-weight:700;}
.work h3{font-size:clamp(19px,1.6vw,22px);font-weight:900;line-height:1.55;margin-bottom:12px;letter-spacing:.02em;}
.work p{color:#b3b6bb;font-size:14.5px;line-height:1.9;}

/* ---------- 進め方 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;}
.flow li{padding:30px 26px 28px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:var(--bg2);}
.flow li:last-child{border-right:0;}
.f-n{font-family:var(--en);font-weight:800;font-stretch:118%;font-size:clamp(40px,4.2vw,64px);line-height:1;letter-spacing:-.03em;color:var(--acc);margin-bottom:26px;}
.flow h3{font-size:19px;font-weight:900;margin-bottom:10px;letter-spacing:.04em;}
.flow p{font-size:14px;color:#b3b6bb;line-height:1.85;flex:1;}
.f-t{margin-top:22px;padding-top:14px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12.5px;color:var(--mute);}

/* ---------- 料金 ---------- */
.price{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.p-card{padding:30px 28px 32px;}
.p-card h3{font-size:17px;font-weight:700;letter-spacing:.06em;color:#d6d8db;}
.p-num{display:flex;align-items:baseline;gap:6px;margin:18px 0 22px;padding-bottom:22px;border-bottom:1px solid var(--line);}
.p-v{font-family:var(--en);font-weight:800;font-stretch:112%;font-size:clamp(56px,5.4vw,80px);line-height:.9;letter-spacing:-.04em;}
.p-u{font-size:15px;font-weight:700;color:#d6d8db;white-space:nowrap;}
.p-card li{font-size:14px;color:#b3b6bb;line-height:1.7;padding:5px 0 5px 18px;position:relative;}
.p-card li::before{content:"";position:absolute;left:0;top:14px;width:8px;height:2px;background:var(--acc);}
.p-foot{margin-top:22px;font-size:13px;color:var(--mute);}

/* ---------- 会社案内 ---------- */
.co{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(28px,4vw,64px);align-items:start;}
.co-ph{border-radius:var(--r);overflow:hidden;aspect-ratio:4/3.4;border:1px solid var(--line);}
.co-ph img{width:100%;height:100%;object-fit:cover;}
.co-t{width:100%;border-collapse:collapse;font-size:15px;}
.co-t tr{border-bottom:1px solid var(--line);}
.co-t tr:first-child{border-top:1px solid var(--line);}
.co-t th{width:8.5em;text-align:left;font-weight:700;color:var(--mute);padding:18px 16px 18px 0;vertical-align:top;font-size:14px;letter-spacing:.06em;}
.co-t td{padding:18px 0;line-height:1.75;}

/* ---------- お問い合わせ ---------- */
.contact{background:var(--bg2);border-top:1px solid var(--line);}
.ct-en{font-family:var(--en);font-weight:800;font-stretch:118%;font-size:clamp(56px,12vw,184px);line-height:.86;letter-spacing:-.035em;margin-left:-.04em;margin-bottom:clamp(36px,5vw,64px);}
.ct-en .line{display:block;}
.ct-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,5vw,80px);align-items:start;}
.ct-h{font-size:clamp(24px,2.4vw,34px);font-weight:900;line-height:1.5;margin-bottom:18px;letter-spacing:.03em;}
.ct-l > p{color:#b9bcc1;font-size:15px;}
.ct-tel{margin-top:36px;padding-top:28px;border-top:1px solid var(--line);}
.ct-num{display:inline-block;font-family:var(--en);font-weight:800;font-stretch:112%;font-size:clamp(34px,3.6vw,52px);letter-spacing:-.01em;line-height:1.1;margin:8px 0 6px;transition:color .25s;}
.ct-num:hover{color:var(--acc);}
.ct-hr{font-size:13px;color:var(--mute);}
.form{padding:clamp(24px,3vw,40px);display:grid;gap:18px;}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form label{display:grid;gap:8px;font-size:13px;font-weight:700;color:#c9ccd0;letter-spacing:.05em;}
.form input,.form select,.form textarea{width:100%;background:var(--bg);border:1px solid #30343a;border-radius:8px;color:var(--tx);font:inherit;font-weight:400;font-size:16px;padding:12px 14px;letter-spacing:.02em;transition:border-color .2s;}
.form select{appearance:none;cursor:pointer;padding-right:40px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239a9ea4' stroke-width='2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;}
.form textarea{resize:vertical;min-height:130px;}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--acc);}
.f-msg{font-size:13px;color:var(--acc);min-height:1em;}

/* ---------- フッター ---------- */
.ft{border-top:1px solid var(--line);overflow:hidden;padding:clamp(48px,6vw,80px) 0 28px;}
.ft-big{font-family:var(--en);font-weight:900;font-stretch:118%;font-size:clamp(40px,9.4vw,150px);line-height:.85;letter-spacing:-.045em;color:#1e2125;white-space:nowrap;margin-left:-.04em;}
.ft-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-top:40px;}
.ft-addr{font-size:13.5px;color:var(--mute);line-height:1.9;}
.ft-nav{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:13.5px;color:#c9ccd0;}
.ft-nav a:hover{color:var(--acc);}
.ft-c{margin-top:36px;color:var(--dim);font-size:12px;}

/* ============================================================
   動き：同時に動かさない・距離は小さく・減速のみ
   JSが無い／動きを減らす設定では、すべて最初から見える
   ============================================================ */
@media (prefers-reduced-motion: no-preference){
  body.js [data-r]{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease),transform 1s var(--ease);}
  body.js [data-r].in{opacity:1;transform:none;}
  [data-r][data-d="1"]{transition-delay:.09s;}
  [data-r][data-d="2"]{transition-delay:.18s;}
  [data-r][data-d="3"]{transition-delay:.27s;}
  [data-r][data-d="4"]{transition-delay:.36s;}

  /* 幕は写真(img)に掛ける。枠側に掛けると IntersectionObserver が面積ゼロと判定して発火しない */
  body.js [data-mask] img{clip-path:inset(100% 0 0 0);transform:scale(1.12);transition:clip-path 1.1s var(--ease),transform 2.4s var(--ease);}
  body.js [data-mask].in img{clip-path:inset(0 0 0 0);transform:scale(1);}
  /* 事例・サービスの写真はマスクの入れ子なので、ホバーでゆっくり寄る */
  .zoom:hover img{transform:scale(1.04) !important;transition:transform 1.4s var(--ease) !important;}

  .line{overflow:hidden;padding-bottom:.04em;}
  .line > span{display:block;}
  body.js .line > span{transform:translateY(105%);transition:transform 1.15s var(--ease);}
  body.js .line.in > span{transform:none;}
  body.js .hero-en .line:nth-child(2) > span{transition-delay:.12s;}

  .band-track{animation:band 38s linear infinite;}
  @keyframes band{to{transform:translateX(-50%);}}
}

/* ---------- レスポンシブ ---------- */
@media (max-width:1100px){
  .nav{display:none;}
  .hero-row{grid-template-columns:1fr;gap:24px;}
  .hg-main{grid-column:1/13;grid-row:auto;min-height:0;aspect-ratio:16/9;}
  .hg-a{grid-column:1/7;}
  .hg-b{grid-column:7/10;}
  .hg-c{grid-column:10/13;}
  .b-web{grid-column:1/13;grid-row:auto;}
  .b-sys{grid-column:1/13;grid-row:auto;display:grid !important;grid-template-columns:1fr 1fr;}
  .b-sys .b-ph{aspect-ratio:auto;height:100%;border-bottom:0;border-right:1px solid var(--line);}
  .price{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:1fr;}
  .flow li{border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:90px 1fr auto;column-gap:24px;align-items:baseline;}
  .flow li:last-child{border-bottom:0;}
  .f-n{margin:0;grid-row:1/3;font-size:44px;}
  .flow h3{grid-column:2;}
  .flow p{grid-column:2;}
  .f-t{grid-column:3;grid-row:1;margin:0;padding:0;border:0;}
}
@media (max-width:760px){
  body{font-size:15px;}
  .hd-in{height:60px;gap:12px;}
  .logo-t{font-size:15px;}
  .hero-en{font-size:16vw;}
  .ct-en{font-size:15vw;}
  .hero-btns .btn{flex:1 1 100%;}
  .hero-grid{gap:10px;}
  .hg-main{aspect-ratio:4/3;}
  .hg-a{grid-column:1/13;padding:24px;}
  .hg-b{grid-column:1/7;padding:20px;}
  .hg-c{grid-column:7/13;padding:20px;}
  .hg-b .t-mid,.hg-c .t-mid{font-size:15px;}
  .t-big{margin:10px 0 12px;}
  .bento{gap:10px;}
  .bento .tile{padding:26px 22px;}
  .b-dx,.b-tool,.b-ops{grid-column:1/13;}
  .b-sys{display:flex !important;}
  .b-sys .b-ph{aspect-ratio:16/9;height:auto;border-right:0;border-bottom:1px solid var(--line);}
  .b-body{padding:24px 22px 28px;}
  .b-cta{grid-template-columns:1fr;gap:14px;padding:28px 22px !important;}
  .b-cta-go{justify-self:start;}
  .works{grid-template-columns:1fr;gap:44px;}
  .flow li{grid-template-columns:1fr;padding:24px 22px;}
  .f-n{grid-row:auto;font-size:36px;margin-bottom:14px;}
  .flow h3,.flow p{grid-column:1;}
  .f-t{grid-column:1;grid-row:auto;margin-top:14px;}
  .price{grid-template-columns:1fr;gap:10px;}
  .co{grid-template-columns:1fr;}
  .co-ph{aspect-ratio:16/10;}
  .co-t th{width:6.5em;font-size:13px;padding:14px 12px 14px 0;}
  .co-t td{padding:14px 0;font-size:14px;}
  .ct-grid{grid-template-columns:1fr;}
  .f2{grid-template-columns:1fr;}
  .sh{gap:10px 16px;}
  .sh-note{margin-left:0;flex-basis:100%;}
  .ft-row{flex-direction:column;align-items:flex-start;}
}