/* model: openai; role: user-authorized-website-editor; UI02 + UI13 discussion draft */
.cooperation-hook{background:#101a2d;color:#f6f9fc;padding:64px 0 64px;scroll-margin-top:120px}
.cooperation-hook *{box-sizing:border-box}
.cooperation-hook .kh-kicker{color:#93cfc7;font-size:12px;font-weight:600;letter-spacing:.14em;margin:0 0 26px}
.cooperation-hook .kh-intro{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:70px}
.cooperation-hook h2{font-size:clamp(36px,4vw,60px);line-height:1.1;font-weight:400;letter-spacing:-.035em;margin:0}
.cooperation-hook .kh-intro-copy>p{color:#c4cedd;font-size:18px;line-height:1.65;max-width:540px;margin:0 0 24px}
.cooperation-hook .kh-cta{display:inline-flex;align-items:center;justify-content:space-between;gap:26px;background:#2db3a7;color:#092c32;padding:15px 20px;text-decoration:none;font-weight:600;font-size:15px;min-height:48px}
.cooperation-hook .kh-cta:hover{background:#72d2c7}
.cooperation-hook .kh-cta:focus-visible{outline:3px solid #e3fffa;outline-offset:4px}
.cooperation-hook .kh-examples-label{font-size:13px;color:#aab9cc;margin:42px 0 13px}
.cooperation-hook .kh-tasks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cooperation-hook .kh-task{min-width:0;padding:25px 24px 23px;border:1px solid #344459;background:#192539}
.cooperation-hook .kh-task-type{color:#9bcac4;font-size:11px;line-height:1.5;font-weight:600;letter-spacing:.09em;margin:0 0 16px}
.cooperation-hook .kh-task h3{font-size:22px;line-height:1.3;letter-spacing:-.015em;font-weight:500;margin:0 0 6px}
.cooperation-hook .kh-question{font-size:15px;line-height:1.6;color:#bdc9d9;margin:0;min-height:48px}
.cooperation-hook .kh-output{border-top:1px solid #344459;margin-top:23px;padding-top:20px}
.cooperation-hook .kh-output>span{color:#9baec4;letter-spacing:.08em;font-size:10px;font-weight:600}
.cooperation-hook .kh-output h4{font-size:18px;line-height:1.35;color:#e2f5f0;font-weight:500;margin:8px 0}
.cooperation-hook .kh-output p{font-size:14px;line-height:1.6;color:#b7c5d8;margin:0}
.cooperation-hook .kh-approach{margin-top:38px;padding-top:48px;border-top:1px solid #344459;scroll-margin-top:120px}
.cooperation-hook .kh-approach .section-heading{font-size:23px;font-weight:400;letter-spacing:-.015em;margin:0 0 24px;line-height:1.3}
.cooperation-hook .kh-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:0}
.cooperation-hook .kh-steps article{display:flex;gap:14px;align-items:flex-start;min-width:0}
.cooperation-hook .kh-step-number{display:flex;align-items:center;justify-content:center;width:29px;height:29px;flex:0 0 29px;border:1px solid #54776f;border-radius:50%;color:#adddd3;font-size:13px}
.cooperation-hook .kh-steps h4{font-weight:500;font-size:17px;line-height:1.4;margin:2px 0 8px}
.cooperation-hook .kh-steps p{color:#aebed1;font-size:14px;line-height:1.65;margin:0}
@media(max-width:1100px){.cooperation-hook .kh-intro{gap:40px}.cooperation-hook .kh-task{padding:21px 18px}.cooperation-hook .kh-task h3{font-size:20px}.cooperation-hook .kh-steps{gap:20px}}
@media(max-width:800px){.cooperation-hook{padding:60px 0}.cooperation-hook .kh-intro{grid-template-columns:1fr;gap:24px}.cooperation-hook h2{font-size:44px}.cooperation-hook .kh-intro-copy>p{font-size:17px;max-width:620px}.cooperation-hook .kh-tasks{grid-template-columns:1fr;gap:14px}.cooperation-hook .kh-task{display:grid;grid-template-columns:1fr 1fr;column-gap:24px;padding:24px}.cooperation-hook .kh-task-type{grid-column:1;margin-bottom:12px}.cooperation-hook .kh-task h3{grid-column:1}.cooperation-hook .kh-question{grid-column:1;min-height:0}.cooperation-hook .kh-output{grid-column:2;grid-row:1/4;border-top:0;border-left:1px solid #344459;margin:0;padding:0 0 0 24px;align-self:stretch}.cooperation-hook .kh-steps{grid-template-columns:1fr;gap:22px}}
@media(max-width:480px){.cooperation-hook{padding:48px 0}.cooperation-hook h2{font-size:36px}.cooperation-hook .kh-task{display:block;padding:22px}.cooperation-hook .kh-output{border-left:0;border-top:1px solid #344459;padding:17px 0 0;margin-top:18px}.cooperation-hook .kh-examples-label{margin-top:32px}.cooperation-hook .kh-cta{width:100%}}

/* model: openai; role: user-authorized-website-editor; customer-led collaboration with four supporting specialties, 2026-10-14 */
.cooperation-hook .kh-approach{margin-top:0;padding-top:38px;border-color:#34475b}
.cooperation-hook .kh-approach-label{margin:0 0 12px;color:#94d6cb;font-size:11px;line-height:1.5;font-weight:600;letter-spacing:.1em}
.cooperation-hook .kh-approach .section-heading{margin:0 0 16px;font-size:clamp(28px,2.8vw,36px);line-height:1.2;letter-spacing:-.025em;max-width:none}
.cooperation-hook .kh-expert-intro{max-width:900px;margin:0;color:#b9cad8;font-size:16px;line-height:1.65}
.cooperation-hook .kh-expert-map{display:grid;grid-template-columns:minmax(0,1.5fr) 36px minmax(0,1fr);align-items:center;gap:20px;margin-top:30px}
.cooperation-hook .kh-client-node{display:flex;flex-direction:column;align-items:center;justify-content:center;align-self:stretch;min-width:0;min-height:370px;padding:34px 28px;border:1px solid #a5f5e1;border-radius:9px;background:linear-gradient(135deg,#a2eddb,#7ed6c7);text-align:center;color:#14383e}
.cooperation-hook .kh-client-node svg{display:block;width:220px;max-width:70%;height:auto;margin:0 auto 24px}
.cooperation-hook .kh-client-node h4{font-size:44px;font-weight:600;line-height:1.15;margin:0 0 15px;color:#12373c;letter-spacing:-.035em}
.cooperation-hook .kh-client-node p{font-size:17px;line-height:1.5;color:#244b4d;margin:0;max-width:360px}
.cooperation-hook .kh-expert-bridge{font-size:32px;line-height:1;text-align:center;color:#82baaf}
.cooperation-hook .kh-specialist-team{min-width:0;padding:22px;border:1px solid #344b5d;border-radius:8px;background:#142334}
.cooperation-hook .kh-specialist-label{margin:0 0 18px;color:#a3c3c4;font-size:10px;line-height:1.5;letter-spacing:.12em;font-weight:600}
.cooperation-hook .kh-expert-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}
.cooperation-hook .kh-expert-grid article{display:grid;grid-template-columns:76px minmax(0,1fr);align-items:center;gap:5px 14px;min-width:0}
.cooperation-hook .kh-expert-grid article+article{border-top:1px solid #2c4253;padding-top:14px}
.cooperation-hook .kh-expert-grid img{grid-column:1;grid-row:1/3;display:block;width:100%;height:auto;object-fit:contain;margin:0}
.cooperation-hook .kh-expert-grid h4{align-self:end;margin:0;color:#e4edf1;font-size:18px;font-weight:500;line-height:1.25;letter-spacing:-.015em}
.cooperation-hook .kh-expert-grid p{align-self:start;margin:0;color:#b3c4d0;font-size:13px;line-height:1.5}
.cooperation-hook .kh-expert-support{display:flex;align-items:center;gap:26px;margin-top:20px;padding:22px 0 0;border-top:1px solid #344b5d}
.cooperation-hook .kh-support-line{position:relative;display:flex;flex:0 0 150px;align-items:center;justify-content:space-between;padding:0 2px}
.cooperation-hook .kh-support-line:before{content:"";position:absolute;left:2px;right:2px;top:50%;height:2px;background:#7ed9c6;transform:translateY(-50%)}
.cooperation-hook .kh-support-line>span{position:relative;width:10px;height:10px;border:2px solid #88e5d0;border-radius:50%;background:#101a2d}
.cooperation-hook .kh-support-line>span:first-child,.cooperation-hook .kh-support-line>span:last-child{background:#88e5d0}
.cooperation-hook .kh-expert-support strong{display:block;font-size:18px;font-weight:500;line-height:1.35;color:#d1e9e5}
.cooperation-hook .kh-expert-support p{font-size:14px;line-height:1.6;color:#b5cad0;margin:5px 0 0}
@media(max-width:1100px){
  .cooperation-hook .kh-expert-map{grid-template-columns:minmax(0,1.35fr) 26px minmax(0,1fr);gap:14px}
  .cooperation-hook .kh-client-node{padding:30px 22px}
  .cooperation-hook .kh-specialist-team{padding:20px}
  .cooperation-hook .kh-expert-grid article{grid-template-columns:62px minmax(0,1fr);column-gap:10px}
  .cooperation-hook .kh-expert-grid h4{font-size:17px}
}
@media(max-width:800px){
  .cooperation-hook .kh-approach{padding-top:28px}
  .cooperation-hook .kh-expert-map{grid-template-columns:minmax(0,1fr);gap:12px}
  .cooperation-hook .kh-client-node{min-height:290px;padding:30px 24px}
  .cooperation-hook .kh-client-node svg{width:160px;margin-bottom:18px}
  .cooperation-hook .kh-client-node h4{font-size:38px;margin-bottom:10px}
  .cooperation-hook .kh-client-node p{font-size:16px}
  .cooperation-hook .kh-expert-bridge{transform:rotate(90deg);height:24px;font-size:24px}
  .cooperation-hook .kh-specialist-team{width:94%;justify-self:center;padding:22px}
  .cooperation-hook .kh-expert-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px}
  .cooperation-hook .kh-expert-grid article{grid-template-columns:62px minmax(0,1fr);align-content:start}
  .cooperation-hook .kh-expert-grid article+article{border:0;padding:0}
  .cooperation-hook .kh-expert-grid article:nth-child(n+3){border-top:1px solid #2c4253;padding-top:16px}
  .cooperation-hook .kh-expert-support{gap:20px}
  .cooperation-hook .kh-support-line{flex-basis:100px}
}
@media(max-width:560px){
  .cooperation-hook .kh-expert-intro{font-size:14px}
  .cooperation-hook .kh-client-node{min-height:280px;padding:26px 20px}
  .cooperation-hook .kh-client-node h4{font-size:36px}
  .cooperation-hook .kh-specialist-team{width:94%;padding:20px 16px}
  .cooperation-hook .kh-expert-grid{grid-template-columns:minmax(0,1fr);gap:12px}
  .cooperation-hook .kh-expert-grid article{grid-template-columns:60px minmax(0,1fr);gap:5px 12px}
  .cooperation-hook .kh-expert-grid article+article{border-top:1px solid #2c4253;padding-top:12px}
  .cooperation-hook .kh-expert-grid h4{font-size:17px}
  .cooperation-hook .kh-expert-grid p{font-size:13px}
  .cooperation-hook .kh-expert-support{align-items:flex-start;gap:14px}
  .cooperation-hook .kh-support-line{flex-basis:55px;margin-top:8px}
  .cooperation-hook .kh-support-line>span{width:8px;height:8px}
  .cooperation-hook .kh-expert-support strong{font-size:16px}
  .cooperation-hook .kh-expert-support p{font-size:13px}
}

/* model: openai; role: user-authorized-website-editor; UI02 narrative only, 2026-10-15 */
.cooperation-hook .kh-value-opening{padding:12px 0 42px}
.cooperation-hook .kh-value-heading{display:grid;grid-template-columns:1.15fr 1fr;align-items:end;gap:64px}
.cooperation-hook .kh-value-heading h2{font-size:clamp(34px,3.8vw,54px);line-height:1.12;letter-spacing:-.035em}
.cooperation-hook .kh-value-heading>p{margin:0;max-width:590px;color:#b9cad8;font-size:17px;line-height:1.7}
.cooperation-hook .kh-value-goals{margin-top:36px}
.cooperation-hook .kh-goals-label{margin:0 0 15px;color:#94d6cb;font-size:10px;font-weight:600;letter-spacing:.12em}
.cooperation-hook .kh-value-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.cooperation-hook .kh-value-grid article{position:relative;border-top:1px solid #385263;padding-top:21px;min-width:0}
.cooperation-hook .kh-value-number{display:block;margin-bottom:13px;color:#83dacc;font-size:11px;letter-spacing:.08em}
.cooperation-hook .kh-value-grid h3{margin:0 0 12px;font-size:23px;line-height:1.25;font-weight:500;letter-spacing:-.02em}
.cooperation-hook .kh-value-grid p{margin:0;max-width:360px;min-height:48px;color:#b9cad8;font-size:14px;line-height:1.65}
.cooperation-hook .kh-value-measure{margin-top:20px;color:#d8e9ed;font-size:12px;line-height:1.6}
.cooperation-hook .kh-value-measure>span{display:block;margin-bottom:4px;color:#86acae;font-size:9px;font-weight:600;letter-spacing:.1em}
.cooperation-hook .kh-goals-note{margin:22px 0 0;color:#a2b9c7;font-size:12px;line-height:1.6}
.cooperation-hook .kh-start-path{border-top:1px solid #34475b;margin-top:42px;padding-top:38px;scroll-margin-top:120px}
.cooperation-hook .kh-start-heading{display:flex;justify-content:space-between;align-items:end;gap:40px}
.cooperation-hook .kh-start-heading h3{margin:0;font-size:clamp(28px,2.8vw,36px);line-height:1.2;font-weight:400;letter-spacing:-.025em}
.cooperation-hook .kh-start-heading>p{margin:0;max-width:480px;color:#b9cad8;font-size:15px;line-height:1.65}
.cooperation-hook .kh-start-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px;padding:0;margin:28px 0 0;list-style:none}
.cooperation-hook .kh-start-steps li{min-width:0;display:flex;flex-direction:column;border-top:1px solid #527b7c;padding-top:16px}
.cooperation-hook .kh-start-number{color:#8ee2d3;font-size:11px;letter-spacing:.12em}
.cooperation-hook .kh-start-steps h4{margin:14px 0 10px;font-size:19px;line-height:1.3;font-weight:500;letter-spacing:-.02em}
.cooperation-hook .kh-start-steps p{margin:0 0 20px;color:#b9cad8;font-size:13px;line-height:1.65}
.cooperation-hook .kh-start-steps li>div{border-top:1px solid #2e4255;margin-top:auto;padding-top:12px;font-size:12px;line-height:1.5;color:#d9eceb}
.cooperation-hook .kh-start-steps li>div>span{display:block;color:#86bcb5;font-size:9px;letter-spacing:.09em;margin-bottom:5px}
.cooperation-hook .kh-start-action{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:28px}
.cooperation-hook .kh-start-action p{margin:0;font-size:14px;line-height:1.6;color:#b9cad8}
.cooperation-hook .kh-start-action .kh-cta{flex-shrink:0;border-radius:4px;font-size:13px;padding:12px 17px}
.cooperation-hook #kh-change{margin:44px 0 0;padding-top:38px;border-top:1px solid #34475b}
@media(max-width:1100px){
 .cooperation-hook .kh-value-heading{gap:32px}
 .cooperation-hook .kh-value-heading>p{font-size:16px}
 .cooperation-hook .kh-value-grid{gap:22px}
 .cooperation-hook .kh-value-grid h3{font-size:21px}
 .cooperation-hook .kh-start-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 32px}
}
@media(max-width:800px){
 .cooperation-hook .kh-value-heading{grid-template-columns:1fr;gap:22px}
 .cooperation-hook .kh-value-heading>p{max-width:none}
 .cooperation-hook .kh-value-grid{grid-template-columns:1fr;gap:25px}
 .cooperation-hook .kh-value-grid article{padding-top:17px}
 .cooperation-hook .kh-value-grid p{max-width:none;min-height:0}
 .cooperation-hook .kh-value-measure{margin-top:12px}
 .cooperation-hook .kh-start-heading{display:block}
 .cooperation-hook .kh-start-heading>p{margin-top:16px;max-width:none}
 .cooperation-hook .kh-start-action{align-items:flex-start;flex-direction:column;gap:18px}
}
@media(max-width:560px){
 .cooperation-hook .kh-value-opening{padding-top:0;padding-bottom:32px}
 .cooperation-hook .kh-value-heading h2{font-size:34px}
 .cooperation-hook .kh-start-steps{grid-template-columns:1fr;gap:24px}
 .cooperation-hook .kh-start-path{margin-top:30px;padding-top:30px}
 .cooperation-hook #kh-change{margin-top:32px;padding-top:30px}
}