.ideas-main{max-width:1450px}.ideas-heading{display:flex;align-items:center;justify-content:space-between;padding:20px 0 30px;gap:30px}.ideas-heading h1{font-size:42px;line-height:1.4;margin:12px 0 17px;letter-spacing:-1.5px}.ideas-heading p{font-size:16px;color:#778474}.ideas-count{display:flex;align-items:center;gap:25px;padding-right:40px}.ideas-count strong{font:120px/1 var(--mono);color:#cad8c9;letter-spacing:-9px}.ideas-count span{font-size:13px;color:#7d8d75;line-height:1.9}.commercial{display:inline-block;font-size:12px;font-weight:600;color:#326547;background:#e0eedb;border:1px solid #c9dec2;border-radius:4px;padding:5px 9px;white-space:nowrap}.mark-explanation{display:flex;align-items:start;gap:17px;padding:20px 23px;background:white;border:1px solid #dce4d9;border-radius:8px}.mark-explanation p{font-size:14px;line-height:1.9}.mark-explanation b{font-weight:500;color:#4f6749}.mark-explanation small{display:block;font-size:12px;color:#8b9780;margin-top:7px}.idea-jumps{display:flex;gap:13px;flex-wrap:wrap;margin:22px 0 40px}.idea-jumps a{font-size:14px;color:#526c49;text-decoration:none;border-bottom:1px solid #becfb6;padding:8px 3px}.idea-jumps span{font:12px var(--mono);margin-left:15px;color:#9aab8c}.idea-section{margin-bottom:45px;scroll-margin-top:20px}.idea-section-title{display:flex;align-items:center;justify-content:space-between;margin:0 0 18px}.idea-section-title h2{font-size:24px;margin:0 0 6px;letter-spacing:-.5px}.idea-section-title p{font-size:14px}.idea-section-title>span{font:12px var(--mono);color:#91a082;letter-spacing:1px}.idea-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}.idea-card{background:#fff;border:1px solid #dce4d8;border-radius:9px;padding:23px;min-width:0}.idea-top{display:flex;align-items:center;justify-content:space-between;min-height:29px;margin-bottom:16px}.idea-number{font:24px var(--mono);color:#87a27b}.idea-card h3{font-size:20px;line-height:1.5;margin:0 0 12px;letter-spacing:-.6px}.idea-description{font-size:16px;line-height:1.85;color:#5b6b55}.idea-card dl{border-top:1px solid #e8ede4;margin:20px 0;padding-top:17px}.idea-card dt{font-size:12px;font-weight:600;color:#8b9982;margin:13px 0 5px}.idea-card dd{font-size:14px;color:#506549;line-height:1.8;margin:0}.idea-card details{border-top:1px solid #e6ede0;padding-top:14px}.idea-card summary{font-size:14px;cursor:pointer;color:#4e7740;line-height:1.7}.idea-card details p{font-size:14px;margin:12px 0 4px}.idea-card a{font-size:13px;color:#37704b;text-underline-offset:3px;line-height:1.8}.idea-source{margin-top:18px;padding:15px;background:#f4f8ef;border-radius:5px}.idea-source strong{font-size:13px;color:#5b7950}.idea-source p{font-size:12px;margin:7px 0 10px;line-height:1.9;color:#7b8b70}.idea-closing{padding:28px 30px;background:#233d2e;color:#eef3e7;border-radius:9px}.idea-closing h2{font-size:21px;margin:0 0 12px}.idea-closing p{color:#b9c9ae;font-size:14px;line-height:1.9;max-width:980px}.idea-closing a{display:inline-block;color:#c7eeaa;margin-top:17px;font-size:14px;text-underline-offset:4px}.page-nav{flex-wrap:wrap}@media(max-width:1050px){.idea-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ideas-count{padding:0}.ideas-count strong{font-size:95px}.ideas-count span{display:none}.ideas-heading h1{font-size:35px}}@media(max-width:690px){.ideas-heading{padding-top:5px;gap:10px}.ideas-heading h1{font-size:28px;letter-spacing:-1px}.ideas-count{display:none}.ideas-heading p{font-size:14px}.mark-explanation{display:block;padding:18px}.mark-explanation>span{margin-bottom:10px}.idea-grid{grid-template-columns:1fr}.idea-card{padding:22px}.idea-section-title h2{font-size:22px}.idea-jumps{gap:13px;margin-bottom:28px}.idea-jumps a{font-size:12px}.idea-jumps span{margin-left:7px}.page-nav{gap:14px}.page-nav a{font-size:12px}.idea-closing{padding:23px}.idea-closing h2{font-size:18px}}