/* ATIRO v10: shared diagram components; isolated from form and video styles. */
.diagram-chapter{background:linear-gradient(145deg,#f7fcfe,#f2f9fc);border-top:1px solid #deedf2}
.diagram-chapter .chapter-content{min-width:0}
.diagram-highlight{font-size:17px;font-weight:600;line-height:1.9;margin-top:28px!important;color:var(--deep);border-left:3px solid var(--brand);padding-left:18px}
.diagram-side-link{display:inline-flex;gap:16px;align-items:center;margin-top:24px!important;font-size:13px}
.diagram-content{display:flex;flex-direction:column;gap:28px}
.solution-visual-card{margin:0;background:white;border:1px solid #dceaf0;border-radius:18px;overflow:hidden;box-shadow:0 14px 38px #07344406}
.diagram-image-label{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 20px;font-size:10px;letter-spacing:.09em;color:var(--muted);border-bottom:1px solid #e4eef2}
.diagram-image-label span:first-child{font-weight:700;color:var(--deep);letter-spacing:.035em}
.diagram-open{display:block;position:relative;background:white;cursor:zoom-in;overflow:hidden}
.diagram-open img{display:block;width:100%;height:auto;transition:transform .5s var(--ease)}
.diagram-open:hover img{transform:scale(1.018)}
.diagram-expand{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:11px 12px;border-top:1px solid #edf3f7;color:var(--deep);font-size:12px;font-weight:600;background:#f7fcff}
.diagram-expand svg{width:18px;height:18px}
.solution-visual-card figcaption{font-size:11px;line-height:1.9;color:var(--muted);padding:15px 20px;margin:0}
.diagram-step-details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);scroll-margin-top:170px}
.diagram-step-details>summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:23px 0;cursor:pointer;list-style:none}
.diagram-step-details>summary::-webkit-details-marker{display:none}
.diagram-step-details>summary small{display:block;color:var(--deep);font:600 10px/1.4 var(--sans);letter-spacing:.16em;margin-bottom:9px}
.diagram-step-details>summary strong{font-size:20px;line-height:1.5;letter-spacing:-.02em}
.diagram-chevron{width:11px;height:11px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);margin-right:8px;transition:transform .2s}
.diagram-step-details[open] .diagram-chevron{transform:rotate(225deg)}
.diagram-steps{list-style:none;margin:0;padding:0 0 12px}
.diagram-step{position:relative;display:grid;grid-template-columns:42px minmax(0,1fr) 40px;align-items:start;column-gap:18px;padding:19px 0 25px}
.diagram-step:not(:last-child):after{content:"";position:absolute;left:20px;top:62px;bottom:-10px;width:1px;background:linear-gradient(#91d4e7,#d9ebf1)}
.diagram-step-number{display:grid;place-items:center;width:40px;height:40px;border:1px solid #b1deeb;border-radius:50%;background:#e6f7fc;color:var(--deep);font:600 12px/1 var(--sans);letter-spacing:.05em;position:relative;z-index:1}
.diagram-step-body{min-width:0}
.diagram-step-en{display:block;font-size:9px;font-weight:600;letter-spacing:.15em;color:var(--deep);line-height:1.5;margin-bottom:6px}
.diagram-step h3{font-size:20px;line-height:1.6;font-weight:600;letter-spacing:-.03em;margin:0 0 9px}
.diagram-step p{font-size:13px;line-height:1.95;color:var(--text);margin:0}
.diagram-step-icon{width:40px;height:40px;display:grid;place-items:center;color:#2b9ec2;background:#edf8fb;border-radius:10px;margin-top:17px}
.diagram-step-icon svg{width:24px;height:24px}
.diagram-key-points{background:#fff;border:1px solid #dceaf0;border-radius:16px;padding:24px}
.diagram-key-points>h3{font-size:17px;font-weight:600;margin:0 0 8px;line-height:1.8}
.diagram-key-points ul{list-style:none;margin:0;padding:0}
.diagram-key-points li{position:relative;padding:18px 0 18px 24px}
.diagram-key-points li:last-child{padding-bottom:0}
.diagram-key-points li+li{border-top:1px solid #edf3f6}
.diagram-key-points li:before{content:"";position:absolute;left:0;top:28px;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.diagram-key-points strong{font-size:14px;font-weight:600;display:block;margin-bottom:7px;line-height:1.7}
.diagram-key-points p{font-size:12px;line-height:1.95;color:var(--text)}
.diagram-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.diagram-actions .button{font-size:12px;min-height:52px;padding:14px 15px;display:flex;justify-content:space-between;align-items:center;gap:10px;line-height:1.7}
.diagram-hero-link{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--deep);margin-top:16px;margin-left:0;border-bottom:1px solid #b0d8e4;padding-bottom:3px}
.diagram-dialog{position:fixed;width:min(96vw,1720px);max-width:96vw;max-height:94vh;padding:0;border:1px solid #b2d9e6;border-radius:16px;background:#f7fcfe;color:var(--ink);overflow:hidden;box-shadow:0 20px 120px #042b4655}
.diagram-dialog::backdrop{background:rgba(4,24,35,.8);backdrop-filter:blur(5px)}
.diagram-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;border-bottom:1px solid #dbeaf1;background:white}
.diagram-dialog-title{font-size:16px;font-weight:600;line-height:1.5;margin:0}
.diagram-dialog-actions{display:flex;gap:8px;align-items:center}
.diagram-dialog button{font:600 12px/1.5 var(--sans);background:#e8f7fc;color:var(--deep);border:1px solid #c5e8f2;border-radius:8px;min-height:44px;padding:8px 14px;cursor:pointer}
.diagram-dialog .diagram-close{background:#073444;border-color:#073444;color:white;min-width:70px}
.diagram-dialog-scroll{max-height:calc(94vh - 121px);overflow:auto;background:white;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.diagram-dialog-scroll img{display:block;width:auto;height:auto;max-width:100%;max-height:calc(94vh - 122px);object-fit:contain;margin-inline:auto}
.diagram-dialog-scroll.is-zoomed img{max-width:none;max-height:none;width:1672px}
.diagram-dialog-hint{padding:10px 20px;margin:0;background:#f3fafd;border-top:1px solid #e3eff4;font-size:11px;line-height:1.7;color:var(--muted)}
@media(max-width:960px){.diagram-content{gap:24px}.diagram-actions{display:flex;flex-wrap:wrap}.diagram-actions .button{min-width:240px}.diagram-highlight{font-size:16px}.diagram-side-link{margin-top:18px!important}}
@media(max-width:600px){.diagram-step{grid-template-columns:34px minmax(0,1fr) 28px;column-gap:12px;padding:17px 0 23px}.diagram-step-number{height:34px;width:34px;font-size:11px}.diagram-step:not(:last-child):after{left:16px;top:52px;bottom:-7px}.diagram-step-icon{width:28px;height:30px;border-radius:7px;margin-top:20px}.diagram-step-icon svg{width:21px;height:21px}.diagram-step h3{font-size:18px}.diagram-step p{font-size:13px}.diagram-step-details>summary strong{font-size:19px}.diagram-image-label{padding:12px 14px;font-size:9px}.solution-visual-card figcaption{padding:12px 14px;font-size:11px}.solution-visual-card{border-radius:12px}.diagram-key-points{padding:20px}.diagram-key-points strong{font-size:14px}.diagram-key-points p{font-size:13px}.diagram-actions{display:grid;grid-template-columns:1fr;gap:10px}.diagram-actions .button{min-width:0;min-height:52px;font-size:13px}.diagram-dialog{width:96vw;border-radius:10px}.diagram-dialog-head{gap:10px;padding:10px 12px;flex-wrap:wrap}.diagram-dialog-title{font-size:13px}.diagram-dialog button{font-size:11px;padding:8px 10px}.diagram-dialog-hint{padding:10px 12px;font-size:10px}.diagram-dialog-scroll{max-height:calc(94vh - 150px)}}
@media(prefers-reduced-motion:reduce){.diagram-open img,.diagram-chevron{transition:none}}
html[data-motion="off"] .diagram-open img{transition:none}
@media print{.diagram-open{pointer-events:none}.diagram-expand,.diagram-actions,.diagram-side-link,.diagram-dialog{display:none!important}.diagram-chapter{background:#fff}.solution-visual-card{box-shadow:none}.diagram-step{break-inside:avoid}.diagram-step-details>summary{list-style:none}}