/* Approved A3: headline -> benefits -> existing wiring -> estimate. */
.installation-worries{position:relative;padding:32px 0 24px;background:#eaf3f7;color:#344d61;scroll-margin-top:24px}
.installation-worries::after{content:"";position:absolute;bottom:-36px;left:0;width:100%;height:36px;background:#eaf3f7;clip-path:polygon(0 0,100% 0,50% 100%);pointer-events:none}
.installation-worries h2{margin:0 0 18px;text-align:center;font-size:22px;font-weight:500;line-height:1.6;letter-spacing:.025em}
.installation-worries__scene{display:grid;grid-template-columns:1fr 160px 1fr;align-items:center;gap:28px;max-width:900px;margin:auto}
.installation-worries__person{display:block;width:160px;height:160px;object-fit:cover;mix-blend-mode:multiply}
.installation-worries__bubble{position:relative;margin:0;padding:20px 24px;background:white;border:1px solid #cfdee6;border-radius:16px;text-align:center;font-size:21px;font-weight:500;line-height:1.7}
.installation-worries__bubble strong{font-weight:700;color:#123e57}
.installation-worries__bubble::after{content:"";position:absolute;top:50%;width:14px;height:14px;background:white;border:solid #cfdee6;transform:translateY(-50%) rotate(45deg)}
.installation-worries__bubble--left::after{right:-8px;border-width:1px 1px 0 0}
.installation-worries__bubble--right::after{left:-8px;border-width:0 0 1px 1px}
@media(max-width:760px){.installation-worries{padding:28px 0 20px}.installation-worries h2{font-size:19px;margin-bottom:20px}.installation-worries__scene{grid-template-columns:1fr 94px;gap:14px 20px;max-width:420px}.installation-worries__person{grid-column:2;grid-row:1 / 3;width:94px;height:120px}.installation-worries__bubble{grid-column:1;font-size:16px;padding:12px 8px;border-radius:10px}.installation-worries__bubble--right{grid-row:2}.installation-worries__bubble--right::after{left:auto;right:-8px;border-width:1px 1px 0 0}}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important;border:0!important}
.installation{--installation-blue:#087db4;color:var(--navy,#092b4c);background:#fff;scroll-margin-top:24px}
.installation__inner{width:min(1120px,calc(100% - 80px));margin-inline:auto}
.installation__intro{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;padding:76px 0 48px}
.installation__intro h2{margin:0;text-align:center;font-size:clamp(38px,3.5vw,50px);font-weight:800;line-height:1.4;letter-spacing:-.035em}
.installation__intro h2 em{display:inline-block;color:var(--installation-blue);font-style:normal;font-size:1.16em;line-height:1.3}
.installation__benefits{width:100%;max-width:900px;margin-inline:auto;text-align:center}
.installation__benefits h3 span{display:inline-block;color:var(--installation-blue)}.installation__benefits h3 strong{display:inline;word-break:keep-all;overflow-wrap:anywhere}.installation__benefits h3 strong{font-weight:700;color:var(--installation-blue)}
.installation__benefits h3{margin:0 0 16px;font-size:clamp(24px,2.2vw,30px);line-height:1.75;letter-spacing:-.025em;font-weight:700}
.installation__benefits p{margin:0;font-size:17px;line-height:1.75;font-weight:500;color:#344d61}
.installation__method{background:#f4f8fa;padding:30px 0 24px;scroll-margin-top:24px}
.installation__method h3{margin:0 0 12px;text-align:center;font-size:25px;line-height:1.5;font-weight:700;letter-spacing:-.015em}
.installation__figure{width:min(720px,100%);margin:20px auto 0}
.installation__drawing{aspect-ratio:2.1;overflow:hidden}
.installation__drawing img{display:block;width:100%;height:100%;object-fit:cover;mix-blend-mode:multiply}
.installation__route{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:12px;font-size:16px;color:#344d61}.installation__route strong{color:#087db4;font-weight:700}.installation__route i{font-style:normal;color:#087db4}
.installation__figure figcaption{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:8px;font-size:14px;line-height:1.6;color:#36596e}
.installation__legend{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.installation__legend i{display:inline-block;width:30px;height:3px;background:var(--installation-blue)}
.installation__diagram-note{font-size:13px}
.installation__bottom{padding-top:34px;padding-bottom:38px}
.installation__action{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.installation__action p{margin:0;font-size:20px;line-height:1.75;font-weight:500}
.installation__cta{width:100%;min-height:68px;padding:0 20px 0 27px;justify-content:space-between;gap:20px;border-radius:5px;color:#fff;background:#d95718;box-shadow:0 10px 20px rgba(164,59,8,.18);transition:background .2s ease,box-shadow .2s ease}
.installation__cta b{font-size:20px;font-weight:800;letter-spacing:.01em}
.installation__cta i{font-style:normal;font-size:27px;font-weight:400;color:#fff}
.installation__cta:hover{background:#c84b0f;box-shadow:0 7px 16px rgba(164,59,8,.22)}
.installation__cta:focus-visible{outline:3px solid #092b4c;outline-offset:5px}
.installation__condition{margin:24px 0 0;font-size:13px;line-height:1.75;color:#536675;text-align:center;font-weight:500}
@media(max-width:1180px){.installation__intro,.installation__action{gap:36px}.installation__intro{padding:72px 0 44px}.installation__benefits h3{font-size:25px}.installation__benefits p{font-size:16px}.installation__method h3{font-size:23px}.installation__action p{font-size:18px}.installation__cta b{font-size:18px}}
/* Basic narrow-width fallback; dedicated mobile design follows PC approval. */
@media(max-width:760px){.installation__inner{width:calc(100% - 40px)}.installation__intro{grid-template-columns:1fr;gap:28px;padding:62px 0 32px}.installation__intro h2{font-size:34px}.installation__intro h2 em{display:block;font-size:44px;margin-top:4px}.installation__benefits h3{font-size:21px;line-height:1.8}.installation__benefits p{font-size:15px;line-height:1.85;word-break:keep-all;overflow-wrap:anywhere}.installation__method{padding-top:24px}.installation__method h3{font-size:20px}.installation__figure{width:calc(100% - 16px)}.installation__route{font-size:12px;gap:7px}.installation__drawing img{object-fit:cover}.installation__figure figcaption{display:block;font-size:12px}.installation__legend{margin-top:6px;gap:6px}.installation__diagram-note{font-size:12px}.installation__action{grid-template-columns:1fr;gap:20px}.installation__action p{font-size:17px}.installation__cta-break{display:none}.installation__condition{text-align:left;font-size:12px}.installation__bottom{padding-top:28px;padding-bottom:32px}}
@media(prefers-reduced-motion:reduce){.installation__cta{transition:none}}