/* ============================================================
   Maskeel LP（トップ）— 2026-10 リデザイン
   主色：帳簿の緑（ledger green）。ロゴの紺・真鍮はロゴの中だけで使う。
   書体：Noto Sans JP（本文・見出し）＋ IBM Plex Mono（コード・番号）。
   トークンは design/tokens.css と同じ値。
   ============================================================ */
:root{
  --ink:#0F1B17;
  --ink-2:#33423C;
  --muted:#5F6E68;
  --line:#D9E1DC;
  --line-2:#C5D1CA;
  --paper:#FFFFFF;
  --wash:#F1F5F2;
  --green:#0B6B4F;
  --green-deep:#064532;
  --green-tint:#E1EFE8;
  --mint:#8BD9B6;
  --dark:#0B1411;
  --dark-2:#121F1A;
  --dark-line:#24362F;
  --on-dark:#E7EFEA;
  --on-dark-muted:#9DB0A7;
  --stamp:#D2451E;          /* 朱：確定ボタンなど「記録される」箇所だけ */
  --sans:Meiryo,"メイリオ","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic","Noto Sans CJK JP","Noto Sans JP",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,Meiryo,"メイリオ","Hiragino Kaku Gothic ProN","Noto Sans CJK JP",monospace;
  --radius:10px;
  --header-h:72px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,video{max-width:100%;height:auto;display:block}
a{color:var(--green)}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.01em}
p{margin:0}
code,pre{font-family:var(--mono)}
.num{font-variant-numeric:tabular-nums}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
:focus-visible{outline:3px solid var(--mint);outline-offset:2px}

/* ===== ボタン ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;
  text-decoration:none;border-radius:8px;padding:12px 20px;font-size:15px;line-height:1.2;
  border:1.5px solid transparent;transition:background .15s,border-color .15s,color .15s,transform .15s}
.btn:hover{transform:translateY(-1px)}
.btn-sm{padding:9px 14px;font-size:14px}
.btn-lg{padding:15px 24px;font-size:16px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep)}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-line-light{border-color:rgba(231,239,234,.5);color:var(--on-dark);background:transparent}
.btn-line-light:hover{border-color:var(--on-dark);background:rgba(231,239,234,.08)}
.btn[hidden]{display:none}

/* ===== ヘッダー ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 32px;height:var(--header-h);
  display:flex;align-items:center;gap:28px}
.logo img{width:auto;height:50px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav-link{color:var(--ink-2);text-decoration:none;font-size:14px;font-weight:500;padding:8px 10px;border-radius:6px}
.nav-link:hover{background:var(--wash);color:var(--ink)}
.hamburger{display:none;margin-left:auto;background:none;border:0;padding:10px;cursor:pointer}
.hamburger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0}
.mobile-nav{display:none}

/* ===== ヒーロー ===== */
.hero{padding:72px 0 88px;border-bottom:1px solid var(--line);
  background:
    linear-gradient(var(--paper),rgba(255,255,255,.7) 40%,var(--paper)),
    repeating-linear-gradient(0deg,transparent 0 35px,var(--line) 35px 36px)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero-tag{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.hero-tag span{font-family:var(--mono);font-size:12.5px;font-weight:500;color:var(--green-deep);
  background:var(--green-tint);border-radius:4px;padding:4px 10px}
.hero h1{font-size:clamp(36px,4.7vw,68px);font-weight:900;line-height:1.16;letter-spacing:-.01em}
.hero h1 span{display:block;white-space:nowrap}
.hero h1 em{font-style:normal;color:var(--green);position:relative}
.hero-sub{margin-top:28px;font-size:17.5px;color:var(--ink-2);max-width:34em}
.hero-sub strong{color:var(--ink)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero-points{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:6px;font-size:14.5px;color:var(--muted)}
.hero-points li{padding-left:22px;position:relative}
.hero-points li::before{content:"";position:absolute;left:2px;top:.72em;width:10px;height:2px;background:var(--green)}

/* パイプライン（Slack → Operation API → GL API） */
.pipeline{position:relative;display:grid;gap:14px}
.pipeline::before{content:"";position:absolute;left:23px;top:30px;bottom:30px;width:2px;
  background:repeating-linear-gradient(180deg,var(--green) 0 6px,transparent 6px 11px)}
.pipe-step{position:relative;margin-left:52px;background:var(--paper);border:1px solid var(--line-2);
  border-radius:var(--radius);padding:16px 18px;box-shadow:0 1px 0 var(--line),0 18px 40px -30px rgba(6,69,50,.45)}
.pipe-step.is-code{background:var(--dark);border-color:var(--dark);color:var(--on-dark)}
.pipe-label{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--muted);
  display:flex;align-items:center;gap:10px;margin-bottom:10px}
.pipe-step.is-code .pipe-label{color:var(--mint)}
.pipe-no{position:absolute;left:-52px;top:12px;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;background:var(--green);color:#fff;font-family:var(--mono);font-size:14px;
  box-shadow:0 0 0 5px var(--paper)}
.pipe-step pre{margin:0;font-size:13px;line-height:1.75;white-space:pre;overflow-x:auto}
.pipe-out{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.pipe-out span{font-size:12px;border:1px solid var(--dark-line);border-radius:4px;padding:2px 8px;color:var(--on-dark)}
.pipe-out span::before{content:"→ ";color:var(--mint)}

.slack-line{display:flex;gap:10px;align-items:flex-start}
.avatar{flex:none;width:34px;height:34px;border-radius:7px;background:#4A5D9C;color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700}
.avatar.alt{background:#8C5A2B}
.avatar.bot-av{background:var(--green);font-family:var(--mono)}
.who{font-size:14px;font-weight:700}
.who time{font-weight:400;color:var(--muted);font-size:12px;margin-left:4px}
.cmd{font-family:var(--mono);font-size:14px;color:var(--ink)}
.mini-card{margin:12px 0 0 44px;border-left:4px solid var(--green);background:var(--wash);border-radius:4px;padding:10px 12px}
.mini-title{font-weight:700;font-size:14px}
.mini-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 16px;font-size:13px;color:var(--ink-2);margin-top:2px}
.mini-actions,.sl-buttons{display:flex;gap:8px;margin-top:10px}
.b-ok,.b-no{font-size:13px;font-weight:700;border-radius:5px;padding:5px 12px}
.b-ok{background:var(--stamp);color:#fff}
.b-no{border:1px solid var(--line-2);color:var(--ink-2);background:var(--paper)}

/* コードの色 */
.c-k{color:var(--mint);font-weight:600}
.c-s{color:#F2C38B}
.c-c{color:#7F948B}
.c-ok{color:#9BE07A;font-weight:600}

/* ===== セクション共通 ===== */
.section{padding:112px 0}
.section.wash{background:var(--wash)}
.sec-head{display:grid;grid-template-columns:96px 1fr;gap:0 24px;margin-bottom:56px;max-width:960px}
.sec-no{font-family:var(--mono);font-size:15px;font-weight:600;color:var(--green);
  border-top:2px solid var(--green);padding-top:10px;height:fit-content}
.sec-head h2{font-size:clamp(28px,3.4vw,44px);font-weight:900;border-top:2px solid var(--ink);padding-top:14px}
.lede{margin-top:18px;font-size:17px;color:var(--ink-2)}
.lede code{font-size:.95em;background:var(--green-tint);padding:1px 6px;border-radius:4px}

/* ===== 01 位置づけ ===== */
.logic-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:40px;border-top:2px solid var(--ink)}
.logic-points>div{padding:22px 24px 6px 0}
.logic-points>div+div{padding-left:24px;border-left:1px solid var(--line)}
.logic-points h3{font-size:17px;font-weight:900;margin-bottom:8px}
.logic-points p{font-size:14.5px;color:var(--ink-2)}

/* ===== 02 2つのAPI ===== */
.products{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.product{background:var(--paper);border:1px solid var(--line-2);border-radius:var(--radius);padding:34px 32px;
  display:flex;flex-direction:column;min-width:0}
.product-kicker{font-size:14px;font-weight:700;color:var(--green)}
.product h3{font-family:var(--mono);font-size:30px;font-weight:600;margin:4px 0 14px}
.product>p{color:var(--ink-2)}
.spec{list-style:none;margin:20px 0 24px;padding:0;border-top:1px solid var(--line)}
.spec li{display:grid;grid-template-columns:64px 1fr;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.spec span{font-weight:700;color:var(--green-deep)}
.code{margin:auto 0 0;background:var(--dark);color:var(--on-dark);border-radius:8px;padding:18px 20px;
  font-size:12.5px;line-height:1.75;overflow-x:auto;white-space:pre}
.code.light{background:var(--paper);color:var(--ink);border:1px solid var(--line-2)}
.code.light .c-c{color:var(--muted)}

/* ===== 03 使い分け ===== */
.patterns{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pattern{border:1px solid var(--line-2);border-radius:var(--radius);padding:28px 26px;background:var(--paper);min-width:0}
.pattern-tag{display:flex;justify-content:space-between;align-items:center;gap:8px;font-family:var(--mono);
  font-size:13px;font-weight:600;color:var(--muted);padding-bottom:14px;border-bottom:1px dashed var(--line-2);margin-bottom:18px}
.pattern-tag span{color:var(--green-deep);background:var(--green-tint);border-radius:4px;padding:2px 8px;font-size:12px}
.pattern h3{font-size:20px;font-weight:900}
.pattern-case{margin-top:14px;font-size:14.5px;color:var(--ink-2);background:var(--wash);border-radius:6px;padding:12px 14px}
.flow{list-style:none;margin:20px 0 0;padding:0;counter-reset:f}
.flow li{counter-increment:f;position:relative;padding:0 0 16px 40px;font-size:14.5px;color:var(--ink-2)}
.flow li::before{content:counter(f);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--green);color:var(--green);font-family:var(--mono);font-size:13px;display:grid;place-items:center}
.flow li::after{content:"";position:absolute;left:12.5px;top:30px;bottom:2px;width:1.5px;background:var(--line-2)}
.flow li:last-child{padding-bottom:0}
.flow li:last-child::after{display:none}
.flow strong{display:block;color:var(--ink);font-size:15px}
.decide{margin-top:48px}
.decide h3{font-size:18px;margin-bottom:14px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:15px;background:var(--paper)}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-size:13px;font-weight:700;color:var(--muted);border-bottom:2px solid var(--ink);white-space:nowrap}
.decide td:last-child{white-space:nowrap}
.pill{display:inline-block;font-family:var(--mono);font-size:12.5px;font-weight:600;border-radius:4px;padding:2px 9px;white-space:nowrap}
.pill.op{background:var(--green);color:#fff}
.pill.gl{background:var(--ink);color:#fff}

/* ===== 04 Slack（ダーク） ===== */
.section.dark{background:var(--dark);color:var(--on-dark)}
.dark .sec-no{color:var(--mint);border-color:var(--mint)}
.dark .sec-head h2{border-color:var(--on-dark)}
.dark .lede{color:var(--on-dark-muted)}
.dark .lede code{background:rgba(139,217,182,.14);color:var(--mint)}
.slack-demo{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.thread{background:#FFFFFF;color:var(--ink);border-radius:12px;overflow:hidden;box-shadow:0 30px 70px -40px #000}
.thread-head{font-weight:700;padding:14px 20px;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:baseline}
.thread-head span{font-weight:400;font-size:12.5px;color:var(--muted)}
.msg{display:flex;gap:12px;padding:12px 20px}
.msg.bot{background:#FAFBFA}
.msg-body{min-width:0;flex:1;font-size:14.5px}
.msg-body>p+p{margin-top:2px}
.app{font-size:10.5px;font-weight:700;color:var(--muted);background:var(--wash);border-radius:3px;padding:1px 5px;margin-left:2px}
.only{font-size:11.5px;font-weight:400;color:var(--muted);margin-left:6px}
.sl-table{margin:8px 0 0;font-size:12.5px;line-height:1.7;background:var(--wash);border:1px solid var(--line);
  border-radius:6px;padding:10px 12px;overflow-x:auto;white-space:pre}
.sl-card{margin-top:6px;border:1px solid var(--line-2);border-left:4px solid var(--green);border-radius:6px;padding:12px 14px;background:#fff}
.sl-card-title{font-weight:700}
.file{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-2);border-radius:6px;padding:8px 12px;margin-top:4px;font-size:13.5px}
.file::before{content:"PDF";font-family:var(--mono);font-size:11px;font-weight:600;color:#fff;background:var(--stamp);border-radius:3px;padding:1px 5px}
.commands{background:var(--dark-2);border:1px solid var(--dark-line);border-radius:12px;padding:26px 26px 22px}
.commands h3{font-size:18px}
.commands-note{font-size:13.5px;color:var(--on-dark-muted);margin-top:2px}
.commands dl{margin:16px 0 0}
.commands dt{font-size:12.5px;font-weight:700;color:var(--mint);margin-top:16px;letter-spacing:.04em}
.commands dt:first-child{margin-top:0}
.commands dd{margin:6px 0 0;font-size:13.5px;color:var(--on-dark-muted)}
.commands dd code{display:block;font-size:12.5px;color:var(--on-dark);background:rgba(255,255,255,.04);
  border:1px solid var(--dark-line);border-radius:5px;padding:6px 10px;overflow-x:auto;white-space:nowrap}
.setup{margin-top:72px;border-top:1px solid var(--dark-line);padding-top:48px}
.setup>h3{font-size:clamp(22px,2.4vw,28px);font-weight:900}
.setup-lede{color:var(--on-dark-muted);margin-top:8px}
.setup-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;margin-top:32px}
.setup-who{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--mint);margin-bottom:16px}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:0 0 22px 52px;color:var(--on-dark-muted);font-size:15px}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:0;font-family:var(--mono);
  font-size:15px;font-weight:600;color:var(--dark);background:var(--mint);border-radius:5px;width:36px;text-align:center;line-height:26px}
.steps strong{display:block;color:var(--on-dark);font-size:16px;margin-bottom:2px}
.steps code{font-size:.9em;color:var(--mint);background:rgba(139,217,182,.1);border-radius:4px;padding:1px 5px;overflow-wrap:anywhere}
.safety{margin-top:8px;border:1px solid var(--dark-line);border-radius:10px;padding:18px 20px}
.safety-title{font-weight:700;margin-bottom:8px}
.safety ul{margin:0;padding:0;list-style:none;display:grid;gap:6px;font-size:14px;color:var(--on-dark-muted)}
.safety li{padding-left:20px;position:relative}
.safety li::before{content:"✓";position:absolute;left:0;color:var(--mint)}

/* ===== 05 会計連携 ===== */
.targets{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden}
.target{padding:24px 20px;background:var(--paper)}
.target+.target{border-left:1px solid var(--line-2)}
.target h3{font-size:17px;font-weight:900;min-height:2.7em;display:flex;align-items:flex-end}
.target p{font-size:13.5px;color:var(--muted);margin-top:10px}
.mapping{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;margin-top:44px}
.mapping h3{font-size:22px;font-weight:900;margin-bottom:12px}
.mapping p{color:var(--ink-2)}
.fineprint{margin-top:28px;font-size:12px;color:var(--muted)}

/* ===== 06 ロジック一覧（帳簿の罫線） ===== */
.ledger .logic-table{border:1px solid var(--line-2)}
.logic-table tbody th{white-space:nowrap;font-weight:900;color:var(--green-deep);background:#F8FBF9;border-right:1px solid var(--line)}
.logic-table td:nth-child(3){color:var(--ink-2);font-size:14px}
.logic-table td:last-child{white-space:nowrap}
.logic-table tbody tr:hover td,.logic-table tbody tr:hover th{background:var(--green-tint)}

/* ===== 07 任せられる理由 ===== */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--ink)}
.trust>div{padding:24px 22px 8px 0}
.trust>div+div{padding-left:22px;border-left:1px solid var(--line)}
.trust h3{font-size:18px;font-weight:900;margin-bottom:10px}
.trust p{font-size:14.5px;color:var(--ink-2)}

/* ===== 08 画面 ===== */
.demo-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.demo-tabs button{font:inherit;font-size:15px;font-weight:700;cursor:pointer;border:1.5px solid var(--line-2);
  background:var(--paper);color:var(--ink-2);border-radius:8px;padding:10px 16px;display:flex;gap:10px;align-items:center}
.demo-tabs button span{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.demo-tabs button[aria-selected="true"]{border-color:var(--green);background:var(--green);color:#fff}
.demo-tabs button[aria-selected="true"] span{color:var(--mint)}
.demo-panel{border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;background:var(--paper);max-width:860px}
.demo-panel video{width:100%;background:#000}
.demo-caption{padding:16px 20px;color:var(--ink-2);font-size:15px}
.demo-note{margin-top:12px;font-size:12.5px;color:var(--muted)}

/* ===== CTA ===== */
.cta{background:var(--green-deep);color:#fff;padding:104px 0;text-align:center}
.cta h2{font-size:clamp(30px,4vw,52px);font-weight:900}
.cta p{max-width:40em;margin:18px auto 0;color:#CFE6DA}
.cta-bar{max-width:560px;margin:34px auto 0;background:var(--dark);border-radius:10px;padding:18px 22px;text-align:left;
  box-shadow:0 0 0 1px rgba(139,217,182,.25)}
.cta-bar code{color:var(--on-dark);font-size:15px}
.cta-bar code::after{content:"";display:inline-block;width:9px;height:1.1em;background:var(--mint);vertical-align:-3px;margin-left:4px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px}
.cta .btn-primary{background:#fff;color:var(--green-deep)}
.cta .btn-primary:hover{background:var(--green-tint)}

/* ===== フッター ===== */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:56px 0 28px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;justify-content:space-between;gap:48px;flex-wrap:wrap}
.footer-brand{max-width:360px}
.footer-brand img{height:60px;width:auto}
.footer-brand p{margin-top:12px;font-size:14px;color:var(--muted)}
.footer-nav{display:flex;gap:64px;flex-wrap:wrap}
.footer-nav h4{font-size:13px;color:var(--muted);margin-bottom:10px}
.footer-nav ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.footer-nav a{color:var(--ink);text-decoration:none;font-size:14.5px}
.footer-nav a:hover{color:var(--green);text-decoration:underline}
.footer-social{display:flex;align-items:center;gap:14px;margin-top:16px;font-size:13px}
.fs-label{font-family:var(--mono);font-size:11px;color:var(--muted)}
.fs-link{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);text-decoration:none}
.fs-link svg{width:16px;height:16px}
.footer-bottom{max-width:1136px;margin:40px auto 0;padding:20px 0 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted)}

/* ===== レスポンシブ ===== */
@media (max-width:1080px){
  .nav,.header-cta{display:none}
  .hamburger{display:block}
  .mobile-nav{position:fixed;top:var(--header-h);left:0;right:0;z-index:49;background:var(--paper);
    border-bottom:1px solid var(--line);padding:12px 20px 20px;flex-direction:column;gap:2px}
  .mobile-nav.open{display:flex}
  .mobile-nav .btn{margin-top:10px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .slack-demo,.setup-grid,.mapping{grid-template-columns:1fr}
  .patterns{grid-template-columns:1fr}
  .targets{grid-template-columns:repeat(2,1fr)}
  .target+.target{border-left:0}
  .target{border-bottom:1px solid var(--line-2)}
  .target:nth-child(even){border-left:1px solid var(--line-2)}
  .trust{grid-template-columns:1fr 1fr}
  .trust>div:nth-child(3){padding-left:0;border-left:0}
}
@media (max-width:760px){
  .container,.header-inner,.footer-inner{padding:0 16px}
  .logo img{height:44px}
  .section{padding:72px 0}
  .hero{padding:44px 0 64px}
  .hero-sub{font-size:16px}
  .sec-head{grid-template-columns:1fr;margin-bottom:36px}
  .sec-no{border-top:0;padding-top:0;margin-bottom:6px}
  .products{grid-template-columns:1fr}
  .logic-points{grid-template-columns:1fr}
  .logic-points>div,.logic-points>div+div{padding:18px 0;border-left:0;border-bottom:1px solid var(--line)}
  .product{padding:26px 20px}
  .product h3{font-size:24px}
  .pipe-step{margin-left:44px;padding:14px}
  .pipeline::before{left:17px}
  .pipe-no{left:-44px;width:30px;height:30px;font-size:13px}
  .mini-card{margin-left:0}
  .msg{padding:12px 14px}
  .targets{grid-template-columns:1fr}
  .target:nth-child(even){border-left:0}
  .target h3{min-height:0}
  .trust{grid-template-columns:1fr}
  .trust>div,.trust>div+div{padding:20px 0;border-left:0;border-bottom:1px solid var(--line)}
  .commands{padding:20px 16px}
  .steps li{padding-left:46px}
  .footer-bottom{flex-direction:column;gap:4px;margin:40px 16px 0}
  /* 表はスマホでは行ごとの縦積みに */
  .decide thead,.logic-table thead{display:none}
  .decide table,.decide tbody,.decide tr,.decide td,
  .logic-table,.logic-table tbody,.logic-table tr,.logic-table th,.logic-table td{display:block;width:100%}
  .decide tr,.logic-table tr{border-bottom:1px solid var(--line);padding:12px 0}
  .decide td,.logic-table td,.logic-table tbody th{border:0;padding:2px 14px}
  .logic-table tbody th{background:none;border-right:0;padding-top:6px}
  .logic-table td:nth-child(3){color:var(--muted)}
  .decide td:last-child,.logic-table td:last-child{padding-top:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn:hover{transform:none}
  .cta-bar code::after{animation:none}
}

/* グリッドの子がコード幅で広がらないように */
.hero-grid>*,.slack-demo>*,.setup-grid>*,.mapping>*,.products>*,.patterns>*{min-width:0}

/* ===== 09 導入の進め方と費用 ===== */
.cost-table{border:1px solid var(--line-2)}
.cost-table tbody th{font-weight:900;white-space:nowrap;background:#F8FBF9;border-right:1px solid var(--line);line-height:1.9}
.cost-table td{font-size:14.5px;color:var(--ink-2)}
.cost-table .nowrap{white-space:nowrap;font-weight:700;color:var(--ink)}
.cost-tag{display:inline-block;font-weight:900;font-size:14px;color:var(--ink);border:1.5px solid var(--ink);border-radius:5px;padding:2px 10px;white-space:nowrap}
.cost-tag.free{border-color:var(--line-2);color:var(--muted);font-weight:700}
.cost-note{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.cost-factors{margin-top:40px;background:var(--wash);border-radius:var(--radius);padding:28px 30px}
.cost-factors h3{font-size:18px;margin-bottom:14px}
.cost-factors ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px 28px}
.cost-factors li{font-size:14px;color:var(--ink-2);border-top:2px solid var(--green);padding-top:10px}
.cost-factors li strong{display:block;color:var(--ink);font-size:15px;margin-bottom:2px}
.cost-factors>p{margin-top:20px;font-size:14px;color:var(--ink-2)}
@media (max-width:1080px){.cost-factors ul{grid-template-columns:1fr 1fr}}
@media (max-width:760px){
  .cost-table thead{display:none}
  .cost-table,.cost-table tbody,.cost-table tr,.cost-table th,.cost-table td{display:block;width:100%}
  .cost-table tr{border-bottom:1px solid var(--line);padding:12px 0}
  .cost-table td,.cost-table tbody th{border:0;padding:3px 14px;background:none}
  .cost-factors{padding:22px 18px}
  .cost-factors ul{grid-template-columns:1fr}
}

/* ===== 開発者向けドキュメント（developers.html） ===== */
.dev-hero{padding:64px 0 48px;border-bottom:1px solid var(--line);
  background:linear-gradient(var(--paper),rgba(255,255,255,.75) 50%,var(--paper)),
    repeating-linear-gradient(0deg,transparent 0 35px,var(--line) 35px 36px)}
.dev-hero h1{font-size:clamp(32px,4vw,52px);font-weight:900;margin-top:16px}
.dev-lead{margin-top:16px;max-width:46em;font-size:17px;color:var(--ink-2)}
.dev-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;padding-top:48px;padding-bottom:96px}
.dev-toc{position:sticky;top:calc(var(--header-h) + 24px);align-self:start}
.dev-toc-title{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--muted);margin-bottom:10px}
.dev-toc ol{list-style:none;margin:0;padding:0;counter-reset:t;border-left:2px solid var(--line)}
.dev-toc li{counter-increment:t}
.dev-toc a{display:block;padding:5px 0 5px 14px;margin-left:-2px;border-left:2px solid transparent;
  color:var(--ink-2);text-decoration:none;font-size:14px}
.dev-toc a::before{content:counter(t,decimal-leading-zero) "  ";font-family:var(--mono);font-size:11.5px;color:var(--muted)}
.dev-toc a:hover{color:var(--green);border-left-color:var(--green)}
.dev-body section{padding:8px 0 48px;border-bottom:1px solid var(--line);margin-bottom:40px}
.dev-body section:last-child{border-bottom:0}
.dev-body h2{font-size:28px;font-weight:900;display:flex;align-items:baseline;gap:14px;margin-bottom:18px}
.dev-body h2 span{font-family:var(--mono);font-size:15px;color:var(--green)}
.dev-body h3{font-size:18px;font-weight:900;margin:32px 0 12px}
.dev-body p{color:var(--ink-2);margin:12px 0}
.dev-body p code,.dev-body li code,.dev-body td code{font-size:.88em;background:var(--wash);border:1px solid var(--line);border-radius:4px;padding:0 5px;overflow-wrap:anywhere}
.dev-body .code{margin:18px 0}
.dev-body .code code{background:none;border:0;padding:0}
.dev-table,.dev-kv{width:100%;border-collapse:collapse;margin:16px 0;font-size:14.5px;border:1px solid var(--line-2)}
.dev-table th,.dev-table td,.dev-kv th,.dev-kv td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
.dev-table thead th{background:var(--wash);border-bottom:1px solid var(--line-2);color:var(--muted);font-size:12.5px}
.dev-table td.dom{white-space:nowrap;font-weight:700;color:var(--green-deep);background:#F8FBF9;border-right:1px solid var(--line)}
.dev-kv th{width:120px;white-space:nowrap;background:#F8FBF9;color:var(--green-deep);border-right:1px solid var(--line)}
.dev-list{margin:12px 0;padding-left:1.2em;color:var(--ink-2);display:grid;gap:6px;font-size:15px}
.dev-steps{list-style:none;margin:16px 0;padding:0;counter-reset:d}
.dev-steps li{counter-increment:d;position:relative;padding:0 0 18px 48px;color:var(--ink-2);font-size:15px}
.dev-steps li::before{content:counter(d);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;
  background:var(--green);color:#fff;font-family:var(--mono);font-size:14px;display:grid;place-items:center}
.dev-steps strong{display:block;color:var(--ink);margin-bottom:2px}
.dev-note{font-size:13.5px !important;color:var(--muted) !important}
.dev-help{margin-top:24px;border-left:4px solid var(--green);background:var(--wash);border-radius:6px;padding:14px 18px}
.dev-help p{margin:0;font-size:14.5px}
.nav-link[aria-current="page"]{color:var(--green);font-weight:700}
@media (max-width:1080px){
  .dev-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .dev-toc{position:static;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
  .dev-toc ol{columns:2;border-left:0}
  .dev-toc a{border-left:0;padding-left:0}
}
@media (max-width:760px){
  .dev-hero{padding:40px 0 32px}
  .dev-toc ol{columns:1}
  .dev-body h2{font-size:23px}
  .dev-table,.dev-kv{display:block;overflow-x:auto}
  .dev-kv th{width:auto}
}
.dev-layout>*{min-width:0}
.dev-table td code{white-space:nowrap}

/* ===== 全体像（概念図） ===== */
.concept{margin:0;border:1px solid var(--line-2);border-radius:14px;background:var(--paper);padding:28px 28px 30px}
.concept-cap{font-size:14px;color:var(--muted);margin-bottom:22px;display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline}
.concept-cap strong{font-size:16px;color:var(--ink)}
.cx{display:grid;grid-template-columns:minmax(0,1fr) 92px minmax(0,1.05fr) 92px minmax(0,1fr);
  grid-template-rows:auto 64px auto auto;align-items:center}
.cx-maskeel{grid-column:3;grid-row:1/5;align-self:stretch;background:var(--dark);border-radius:14px;
  box-shadow:0 26px 60px -36px rgba(6,69,50,.8);position:relative}
.cx-maskeel span{position:absolute;left:18px;top:14px;font-family:var(--mono);font-weight:600;font-size:14px;color:#fff}
.cx-maskeel::after{content:"業務ロジック集";position:absolute;right:18px;top:15px;font-size:12px;font-weight:700;color:var(--mint)}
.cx-a,.cx-a1,.cx-op,.cx-a2,.cx-oa{grid-row:1}
.cx-down{grid-row:2;grid-column:3}
.cx-b,.cx-b1,.cx-gl,.cx-b2,.cx-ob{grid-row:3}
.cx-a,.cx-b{grid-column:1}.cx-a1,.cx-b1{grid-column:2}.cx-op,.cx-gl{grid-column:3}.cx-a2,.cx-b2{grid-column:4}.cx-oa,.cx-ob{grid-column:5}
.cx-base{grid-row:4;grid-column:3;margin:14px 16px 16px;padding-top:10px;border-top:1px dashed var(--dark-line);
  font-size:11.5px;color:var(--on-dark-muted);text-align:center;position:relative}
.cx-in,.cx-out{display:grid;gap:8px;position:relative}
.cx-b,.cx-ob{padding-top:4px}
.cx-head{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.04em}
.actor{background:var(--paper);border:1px solid var(--line-2);border-radius:9px;padding:10px 14px}
.actor strong{display:block;font-size:14.5px;line-height:1.5}
.actor span{display:block;font-size:13px;color:var(--ink-2);line-height:1.6}
.actor.is-own{border-style:dashed;border-color:var(--green)}
.actor.is-sys{border:1.5px solid var(--ink)}
.cx-out .actor{background:#F8FBF9;border-color:var(--green-tint)}
.cx-api{position:relative;display:block;text-decoration:none;color:#fff;border-radius:10px;padding:14px 16px;margin:0 16px}
.cx-op{margin-top:48px;background:var(--green)}
.cx-gl{background:#1B2B25;border:1px solid var(--dark-line)}
.cx-api strong{font-family:var(--mono);font-size:17px}
.cx-sub{margin-left:10px;font-size:12.5px;color:#CDEBDD}
.cx-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.cx-chips span{font-size:12px;border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:2px 9px}
.cx-gl-note{display:none}
.cx-arr{position:relative;height:40px}
.cx-arr::before{content:"";position:absolute;left:8px;right:12px;top:50%;height:2px;
  background:repeating-linear-gradient(90deg,var(--green) 0 6px,transparent 6px 10px)}
.cx-arr::after{content:"";position:absolute;right:4px;top:calc(50% - 6px);border:6px solid transparent;border-left:9px solid var(--green)}
.cx-arr span{position:absolute;left:0;right:0;top:-6px;text-align:center;font-size:11px;font-weight:700;color:var(--green-deep);white-space:nowrap}
.cx-b1::before{background:var(--ink);height:2.5px}
.cx-b1::after{border-left-color:var(--ink)}
.cx-b1 span{color:var(--ink)}
.cx-op{align-self:stretch;display:flex;flex-direction:column;justify-content:center}
.cx-gl,.cx-b1,.cx-b2{align-self:start}
.cx-b1,.cx-b2{margin-top:50px}
.cx-desc{display:block;font-size:12.5px;color:#DDEFE6;margin-top:6px;line-height:1.6}
.cx-down{position:relative;height:100%;display:flex;justify-content:center;align-items:center}
.cx-down::before{content:"";position:absolute;left:50%;top:4px;bottom:12px;width:2px;
  background:repeating-linear-gradient(180deg,var(--mint) 0 6px,transparent 6px 10px)}
.cx-down::after{content:"";position:absolute;left:calc(50% - 6px);bottom:2px;border:6px solid transparent;border-top:9px solid var(--mint)}
.cx-down span{position:absolute;left:calc(50% + 14px);top:calc(50% - 10px);font-size:11.5px;font-weight:700;color:var(--mint);white-space:nowrap}
@media (max-width:1080px){
  .cx{grid-template-columns:minmax(0,1fr);grid-template-rows:none}
  .cx>*{grid-column:1 !important;grid-row:auto !important}
  .cx-maskeel,.cx-down,.cx-base{display:none}
  .cx-api{margin:0;background-clip:padding-box;box-shadow:0 0 0 6px var(--dark)}
  .cx-op{margin-top:0}
  .cx-a1,.cx-a2,.cx-b1,.cx-b2{margin:0}
  .cx-api::before{content:"Maskeel";position:absolute;right:12px;top:10px;font-family:var(--mono);font-size:11px;color:var(--mint)}
  .cx-gl-note{display:block;margin-top:10px;font-size:12px;color:var(--mint)}
  .cx-b{margin-top:36px;padding-top:24px;border-top:1px dashed var(--line-2)}
  .cx-in,.cx-out{grid-template-columns:1fr 1fr}
  .cx-head{grid-column:1/-1}
  .cx-arr{height:52px}
  .cx-arr::before{left:50%;right:auto;top:4px;bottom:12px;width:2px;height:auto;
    background:repeating-linear-gradient(180deg,var(--green) 0 6px,transparent 6px 10px)}
  .cx-b1::before{background:var(--ink);width:2.5px}
  .cx-arr::after{right:auto;left:calc(50% - 6px);top:auto;bottom:0;border:6px solid transparent;border-top:9px solid var(--green)}
  .cx-b1::after{border-top-color:var(--ink);border-left-color:transparent}
  .cx-arr span{left:calc(50% + 14px);right:auto;top:16px;text-align:left}
}
@media (max-width:760px){
  .concept{padding:20px 14px}
  .cx-in,.cx-out{grid-template-columns:1fr}
}

/* ===== なぜ今（ストーリー） ===== */
.story-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.story-steps{list-style:none;margin:0;padding:0;counter-reset:st;display:grid;gap:26px}
.story-steps li{counter-increment:st;position:relative;padding-left:56px;color:var(--ink-2);font-size:15.5px}
.story-steps li::before{content:"";position:absolute;left:0;top:.9em;width:32px;height:3px;background:var(--green)}
.story-steps strong{display:block;font-size:20px;font-weight:900;color:var(--ink);margin-bottom:6px}
.stack{display:grid;gap:0}
.stack-layer{border-radius:12px;padding:16px 18px}
.stack-name{font-weight:900;font-size:15px}
.stack-name span{font-weight:500;font-size:12.5px}
.stack-layer.ui{background:var(--paper);border:1.5px dashed var(--line-2)}
.stack-layer.ui .stack-name span{color:var(--muted)}
.ui-tiles{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ui-tiles span{display:flex;flex-direction:column;border-radius:8px;padding:8px 12px;font-size:13.5px;font-weight:700;background:var(--paper);border:1px solid var(--line-2)}
.ui-tiles small{font-size:11px;font-weight:400;color:var(--muted)}
.ui-tiles .t1{border-color:#B9C7E8;background:#F3F6FD}
.ui-tiles .t2{border-color:#E6CFA6;background:#FDF8EF}
.ui-tiles .t3{border-color:#D8C3E3;background:#FAF5FC}
.ui-tiles .t4{border-color:var(--line-2);font-family:var(--mono);font-weight:600}
.ui-tiles .t5{border-color:var(--green-tint);background:#F8FBF9}
.stack-link{position:relative;text-align:left;padding-left:52px !important;font-size:12px;font-weight:700;color:var(--green-deep);padding:22px 0 14px}
.stack-link::before{content:"";position:absolute;left:30px;top:4px;bottom:2px;width:2px;background:repeating-linear-gradient(180deg,var(--green) 0 5px,transparent 5px 9px)}
.stack-link::after{content:"";position:absolute;left:26px;bottom:-6px;border:5px solid transparent;border-top:8px solid var(--green)}
.stack-layer.op{background:var(--green);color:#fff}
.stack-layer.gl{background:var(--dark);color:#fff}
.stack-layer.op .stack-name span,.stack-layer.gl .stack-name span{color:var(--mint)}
.stack-items{font-size:13px;margin-top:4px;color:#DDEFE6}
.story-close{margin-top:44px;font-size:17px;color:var(--ink-2);border-left:4px solid var(--green);padding:6px 0 6px 18px;max-width:52em}
.story-close strong{display:block;font-size:22px;font-weight:900;color:var(--ink);margin-bottom:4px}
@media (max-width:1080px){.story-grid{grid-template-columns:1fr;gap:36px}}
@media (max-width:760px){.story-steps strong{font-size:18px}.story-steps li{padding-left:48px}}

/* ===== よくある質問 ===== */
.faq-list{max-width:920px;border-top:2px solid var(--ink)}
.faq-item{border-bottom:1px solid var(--line-2);background:transparent}
.faq-item summary{list-style:none;cursor:pointer;display:flex;gap:16px;align-items:baseline;padding:20px 40px 20px 0;
  font-size:17px;font-weight:700;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"Q";font-family:var(--mono);font-weight:600;color:var(--green);flex:none}
.faq-item summary::after{content:"+";position:absolute;right:6px;top:16px;font-family:var(--mono);font-size:22px;color:var(--muted);transition:transform .15s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--green-deep)}
.faq-item p{margin:0 0 22px;padding-left:30px;color:var(--ink-2);font-size:15.5px;position:relative}
.faq-item p::before{content:"A";position:absolute;left:0;font-family:var(--mono);font-weight:600;color:var(--muted)}
@media (max-width:760px){.faq-item summary{font-size:16px}}

/* ===== 03 Operation API と GL API の説明 ===== */
.roles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;counter-reset:r}
.role{position:relative;padding:18px 20px 18px 20px;background:var(--paper);border:1px solid var(--line-2);margin-right:22px;border-radius:10px}
.role:not(:last-child)::after{content:"";position:absolute;right:-19px;top:50%;border:7px solid transparent;border-left:10px solid var(--green);transform:translateY(-50%)}
.role:last-child{margin-right:0}
.role-name{font-weight:900;font-size:15.5px;margin-bottom:4px}
.role p:not(.role-name){font-size:13.5px;color:var(--ink-2);line-height:1.7}
.role.op{background:var(--green);border-color:var(--green);color:#fff}
.role.gl{background:var(--dark);border-color:var(--dark);color:#fff}
.role.op p:not(.role-name),.role.gl p:not(.role-name){color:#DDEFE6}
.role.op .role-name,.role.gl .role-name{font-family:var(--mono);font-weight:600}
.role.acct{border:1.5px solid var(--ink)}
.roles-note{margin-top:14px;font-size:14px;color:var(--ink-2)}
.explain{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;margin-top:40px;padding:36px;
  background:var(--paper);border:1px solid var(--line-2);border-radius:14px}
.explain h3{font-family:var(--mono);font-size:30px;font-weight:600;margin:4px 0 12px}
.explain-one{font-size:17px;color:var(--ink);line-height:1.85}
.explain-dl{margin:22px 0 0;display:grid;grid-template-columns:120px minmax(0,1fr);border-top:1px solid var(--line)}
.explain-dl dt,.explain-dl dd{padding:12px 0;border-bottom:1px solid var(--line);margin:0}
.explain-dl dt{font-weight:900;color:var(--green-deep);font-size:14.5px}
.explain-dl dd{font-size:14.5px;color:var(--ink-2)}
.explain-dl .spec{margin:0;border-top:0}
.explain-dl .spec li:last-child{border-bottom:0}
.explain-dl .spec li{padding:4px 0;border-bottom:0}
.explain-side{align-self:start}
.explain-cap{font-size:13px;font-weight:700;color:var(--muted);margin-bottom:8px}
.explain-side .code{margin:0}
.explain-after{margin-top:12px;font-size:14px;color:var(--ink-2);border-left:3px solid var(--green);padding-left:12px}
#gl-api .explain-dl dt{color:var(--ink)}
.compare-apis{margin-top:48px}
.compare-apis h3{font-size:18px;margin-bottom:12px}
.compare-apis table{border:1px solid var(--line-2)}
.compare-apis tbody th{white-space:nowrap;background:#F8FBF9;font-weight:900;border-right:1px solid var(--line);font-size:14px}
.compare-apis td{font-size:14.5px;color:var(--ink-2);width:42%}
.acct-note{margin-top:28px;font-size:14.5px;color:var(--ink-2);border:1.5px solid var(--ink);border-radius:8px;padding:14px 18px}
.actor.is-acct{border:1.5px solid var(--ink);background:var(--paper)}
.cx-mini{text-align:center;color:var(--muted);font-size:14px;line-height:1;margin:-2px 0}
@media (max-width:1080px){
  .roles{grid-template-columns:1fr;gap:18px}
  .role{margin-right:0}
  .role:not(:last-child)::after{right:auto;left:50%;top:auto;bottom:-17px;transform:translateX(-50%);border:7px solid transparent;border-top:10px solid var(--green)}
  .explain{grid-template-columns:minmax(0,1fr);padding:26px 22px}
  .explain-side{position:static}
}
@media (max-width:760px){
  .explain{padding:22px 16px}
  .explain h3{font-size:24px}
  .explain-dl{grid-template-columns:1fr}
  .explain-dl dt{border-bottom:0;padding-bottom:0}
  .compare-apis thead{display:table-header-group}
}
.explain>*,.explain-dl>*{min-width:0}