.moi-calculator{--moi-ink:#16233a;--moi-muted:#5c6b80;--moi-blue:#1769e0;--moi-blue-dark:#0c4da7;--moi-cyan:#13a8a8;--moi-line:#dbe3ee;--moi-soft:#f3f7fb;--moi-warn:#a23b20;--moi-white:#fff;box-sizing:border-box;max-width:1180px;margin:24px auto;padding:0 20px 56px;color:var(--moi-ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Yu Gothic UI","Meiryo",sans-serif;font-size:16px;line-height:1.65;overflow-wrap:anywhere}.moi-calculator *,.moi-calculator *::before,.moi-calculator *::after{box-sizing:border-box}.moi-calculator button,.moi-calculator input,.moi-calculator select{font:inherit}.moi-calculator__hero{position:relative;overflow:hidden;padding:44px clamp(24px,6vw,68px);border-radius:24px;background:linear-gradient(130deg,#102c55 0%,#0d5198 63%,#087f91 100%);color:#fff;box-shadow:0 18px 45px rgba(15,43,81,.18)}.moi-calculator__hero::after{content:"Ix / Iy";position:absolute;right:-12px;bottom:-48px;color:rgba(255,255,255,.07);font-size:clamp(82px,15vw,170px);font-weight:800;line-height:1;letter-spacing:-.08em}.moi-calculator__eyebrow{margin:0 0 10px;color:#87e4e2;font-size:.78rem;font-weight:750;letter-spacing:.15em}.moi-calculator__hero h1{position:relative;z-index:1;margin:0;max-width:760px;font-size:clamp(2rem,5vw,3.75rem);line-height:1.15;letter-spacing:.02em}.moi-calculator__hero>p:not(.moi-calculator__eyebrow){position:relative;z-index:1;max-width:780px;margin:20px 0 24px;color:#e8f2ff;font-size:1.02rem}.moi-calculator__hero-points{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:9px}.moi-calculator__hero-points span{padding:6px 12px;border:1px solid rgba(255,255,255,.35);border-radius:999px;background:rgba(255,255,255,.08);font-size:.82rem}.moi-calculator__mobile-break{display:none}.moi-section{margin-top:50px}.moi-section__heading,.moi-panel__heading{display:flex;align-items:flex-start;gap:14px;margin-bottom:22px}.moi-section__heading h2,.moi-panel__heading h2,.moi-guide h2{margin:0;color:var(--moi-ink);font-size:clamp(1.25rem,2.5vw,1.7rem);line-height:1.35}.moi-section__heading p,.moi-panel__heading p{margin:3px 0 0;color:var(--moi-muted);font-size:.9rem}.moi-step{display:grid;flex:0 0 42px;height:42px;place-items:center;border-radius:12px;background:#e4f0ff;color:var(--moi-blue-dark);font-size:.78rem;font-weight:800}.moi-shape-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.moi-shape-card{position:relative;min-height:126px;padding:14px 10px;border:1px solid var(--moi-line);border-radius:14px;background:#fff;color:var(--moi-ink);cursor:pointer;transition:border-color .18s,box-shadow .18s,transform .18s}.moi-shape-card:hover{border-color:#8cb9f2;transform:translateY(-1px)}.moi-shape-card:focus-visible,.moi-button:focus-visible,.moi-axis-help__item:focus-visible,.moi-select:focus-visible,.moi-input:focus-visible{outline:3px solid rgba(23,105,224,.3);outline-offset:2px}.moi-shape-card[aria-checked="true"]{border:2px solid var(--moi-blue);background:#f4f8ff;box-shadow:0 5px 18px rgba(23,105,224,.14)}.moi-shape-card[aria-checked="true"]::after{content:"選択中";position:absolute;top:8px;right:8px;padding:2px 7px;border-radius:999px;background:var(--moi-blue);color:#fff;font-size:.65rem;font-weight:700}.moi-shape-card svg{display:block;width:66px;height:62px;margin:2px auto 5px}.moi-shape-card span{display:block;font-size:.88rem;font-weight:700}.moi-workspace{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);gap:20px;margin-top:28px}.moi-panel{min-width:0;padding:26px;border:1px solid var(--moi-line);border-radius:20px;background:#fff;box-shadow:0 8px 30px rgba(26,52,91,.07)}.moi-panel__heading--compact{margin-bottom:12px}.moi-unit-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 18px;padding:12px 14px;border-radius:10px;background:var(--moi-soft)}.moi-unit-row label{font-weight:700}.moi-select{min-width:100px;padding:9px 32px 9px 12px;border:1px solid #bdcadb;border-radius:8px;background:#fff;color:var(--moi-ink)}.moi-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.moi-field{min-width:0}.moi-field label{display:flex;justify-content:space-between;gap:8px;margin-bottom:5px;font-size:.91rem;font-weight:700}.moi-symbol{color:var(--moi-blue);font-family:Georgia,serif;font-size:1.05rem;font-style:italic}.moi-input-shell{position:relative}.moi-input{width:100%;min-height:46px;padding:10px 48px 10px 12px;border:1px solid #b8c5d6;border-radius:9px;background:#fff;color:var(--moi-ink)}.moi-input[aria-invalid="true"]{border-color:var(--moi-warn);background:#fff9f7}.moi-input-unit{position:absolute;top:50%;right:12px;transform:translateY(-50%);color:var(--moi-muted);font-size:.82rem}.moi-hint{display:block;margin-top:3px;color:var(--moi-muted);font-size:.75rem}.moi-error{min-height:1.3em;margin:3px 0 0;color:var(--moi-warn);font-size:.76rem;font-weight:650}.moi-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.moi-button{min-height:44px;padding:9px 16px;border:1px solid #adbbcd;border-radius:9px;background:#fff;color:var(--moi-ink);font-weight:700;cursor:pointer}.moi-button:hover{background:#f3f6fa}.moi-button--primary{border-color:var(--moi-blue);background:var(--moi-blue);color:#fff}.moi-button--primary:hover{background:var(--moi-blue-dark)}.moi-button:disabled{cursor:not-allowed;opacity:.5}.moi-preview-wrap{aspect-ratio:620/440;min-height:320px;border:1px solid #e1e7ef;border-radius:14px;background-color:#fbfdff;background-image:linear-gradient(#edf2f7 1px,transparent 1px),linear-gradient(90deg,#edf2f7 1px,transparent 1px);background-size:24px 24px;overflow:hidden}.moi-preview{display:block;width:100%;height:100%}.moi-svg-shape{fill:#cce0fa;stroke:#1769e0;stroke-width:3;vector-effect:non-scaling-stroke}.moi-svg-hole{fill:#fbfdff;stroke:#1769e0;stroke-width:3;vector-effect:non-scaling-stroke}.moi-svg-axis{stroke:#73849a;stroke-width:2;stroke-dasharray:7 5;vector-effect:non-scaling-stroke}.moi-svg-axis.is-active{stroke:#ed6a34;stroke-width:4}.moi-svg-axis-label{fill:#34445a;font-size:18px;font-weight:800}.moi-svg-centroid{fill:#fff;stroke:#ed6a34;stroke-width:3;vector-effect:non-scaling-stroke}.moi-svg-dim{stroke:#52657d;stroke-width:1.5;vector-effect:non-scaling-stroke}.moi-svg-dim-text{fill:#33465f;font-size:16px;font-style:italic;font-weight:700}.moi-svg-bend{fill:#ed6a34;font-size:14px;font-weight:750}.moi-axis-help{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:12px}.moi-axis-help__item{display:flex;align-items:center;gap:9px;padding:10px;border:1px solid var(--moi-line);border-radius:10px;background:#fff;text-align:left;color:var(--moi-muted);cursor:pointer}.moi-axis-help__item.is-active{border-color:#ef9b79;background:#fff8f4}.moi-axis-help__item strong{display:block;color:var(--moi-ink)}.moi-axis-mark{display:grid;flex:0 0 28px;height:28px;place-items:center;border-radius:50%;background:#edf2f8;font-weight:800}.moi-axis-help__item.is-active .moi-axis-mark{background:#ed6a34;color:#fff}.moi-results-section{padding:30px;border-radius:22px;background:#f3f7fb}.moi-status{min-height:0}.moi-status:not(:empty){margin-bottom:16px;padding:12px 15px;border-left:4px solid var(--moi-warn);border-radius:6px;background:#fff5f1;color:#7d2e19;font-weight:650}.moi-results{display:grid;grid-template-columns:1fr 1fr;gap:16px}.moi-result-card{position:relative;padding:23px;border:1px solid var(--moi-line);border-radius:16px;background:#fff;overflow:hidden;cursor:pointer}.moi-result-card::before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:#bcc7d5}.moi-result-card.is-active::before{background:#ed6a34}.moi-result-card__label{margin:0;color:var(--moi-muted);font-size:.82rem;font-weight:700}.moi-result-card__value{margin:5px 0 0;color:var(--moi-ink);font-size:clamp(1.3rem,3vw,2.05rem);font-weight:800;line-height:1.25;font-variant-numeric:tabular-nums}.moi-result-card__scientific{margin:5px 0 0;color:var(--moi-blue-dark);font-family:Georgia,serif;font-size:1rem}.moi-formula{margin-top:18px;padding-top:17px;border-top:1px solid var(--moi-line)}.moi-formula p{margin:3px 0;color:#3a4c64;font-family:Georgia,"Yu Mincho",serif;font-size:.96rem}.moi-details{margin-top:15px}.moi-details details{border:1px solid var(--moi-line);border-radius:12px;background:#fff}.moi-details summary{padding:13px 16px;font-weight:750;cursor:pointer}.moi-detail-content{padding:0 16px 14px}.moi-detail-content p{margin:7px 0}.moi-detail-table{width:100%;border-collapse:collapse;font-size:.82rem}.moi-detail-table th,.moi-detail-table td{padding:8px;border-bottom:1px solid var(--moi-line);text-align:left;vertical-align:top}.moi-interpretation{margin-top:16px;padding:18px 20px;border-radius:14px;background:#12325a;color:#eef6ff}.moi-interpretation h3{margin:0 0 8px;font-size:1rem}.moi-interpretation ul{margin:0;padding-left:1.3em}.moi-interpretation li+li{margin-top:5px}.moi-copy{margin-top:15px}.moi-guide{margin-top:40px;padding:30px;border:1px solid var(--moi-line);border-radius:20px;background:#fff}.moi-guide__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:20px}.moi-guide__grid p{margin:0;padding:14px;border-radius:10px;background:var(--moi-soft);color:var(--moi-muted);font-size:.84rem}.moi-guide__grid strong{display:block;margin-bottom:5px;color:var(--moi-ink)}.moi-article-link{display:inline-block;margin-top:22px;color:var(--moi-blue-dark);font-weight:750;text-underline-offset:4px}.moi-composite-editor[hidden]{display:none}.moi-composite-intro{margin:0 0 14px;padding:12px;border-radius:9px;background:#fff8e8;color:#6b5316;font-size:.82rem}.moi-component-list{display:grid;gap:12px}.moi-component{padding:13px;border:1px solid var(--moi-line);border-radius:12px;background:#fbfcfe}.moi-component__head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}.moi-component__head strong{font-size:.9rem}.moi-component__actions{display:flex;gap:5px}.moi-mini-button{min-height:34px;padding:5px 9px;border:1px solid #b9c5d4;border-radius:7px;background:#fff;color:var(--moi-ink);font-size:.76rem;font-weight:700;cursor:pointer}.moi-component__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.moi-component .moi-field label{font-size:.78rem}.moi-component .moi-input{min-height:40px;padding-top:7px;padding-bottom:7px}.moi-add-row{display:flex;gap:8px;margin-top:12px}.moi-add-row .moi-button{flex:1}.moi-positive{fill:#b9dafb;stroke:#1769e0;stroke-width:2;vector-effect:non-scaling-stroke}.moi-negative{fill:url(#moi-hatch);stroke:#c84e32;stroke-width:2;vector-effect:non-scaling-stroke}.moi-composite-label{fill:#243952;font-size:12px;font-weight:800;paint-order:stroke;stroke:#fff;stroke-width:3px}.moi-toast{position:fixed;z-index:9999;right:20px;bottom:20px;padding:11px 16px;border-radius:9px;background:#12325a;color:#fff;box-shadow:0 8px 25px rgba(0,0,0,.2)}
@media(max-width:900px){.moi-shape-grid{grid-template-columns:repeat(3,1fr)}.moi-workspace{grid-template-columns:1fr}.moi-guide__grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.moi-calculator{margin:0 auto;padding:0 12px 32px;font-size:15px}.moi-calculator__hero{margin:0 -12px;padding:32px 20px;border-radius:0 0 20px 20px}.moi-calculator__mobile-break{display:block}.moi-section{margin-top:34px}.moi-shape-grid{grid-template-columns:repeat(2,1fr);gap:8px}.moi-shape-card{min-height:108px;padding:9px 7px}.moi-shape-card svg{width:56px;height:52px}.moi-panel,.moi-results-section,.moi-guide{padding:18px;border-radius:15px}.moi-workspace{gap:14px}.moi-fields{grid-template-columns:1fr}.moi-preview-wrap{min-height:260px}.moi-axis-help{grid-template-columns:1fr}.moi-results{grid-template-columns:1fr}.moi-guide__grid{grid-template-columns:1fr}.moi-component__grid{grid-template-columns:1fr 1fr}.moi-actions .moi-button{flex:1 1 100%}.moi-detail-content{overflow-x:auto}}
@media(prefers-reduced-motion:reduce){.moi-calculator *{scroll-behavior:auto!important;transition:none!important}}
.moi-preview-wrap{width:100%}
@media(max-width:600px){.moi-preview-wrap{min-height:0}}
.moi-fields[hidden]{display:none!important}
.moi-svg-dim{marker-start:url(#moi-dim-arrow);marker-end:url(#moi-dim-arrow)}
.moi-svg-ext{stroke:#7b8aa0;stroke-width:1;vector-effect:non-scaling-stroke}
.moi-svg-origin-label{fill:#b5411d;font-size:13px;font-weight:800;paint-order:stroke;stroke:#fff;stroke-width:3px}
.moi-svg-coordinate{fill:#40556f;font-size:11px;font-weight:700;paint-order:stroke;stroke:#fff;stroke-width:3px}
.moi-svg-dim-compact{stroke:#52657d;stroke-width:1.5;marker-end:url(#moi-dim-arrow);vector-effect:non-scaling-stroke}
.moi-svg-dim-inward{stroke:#52657d;stroke-width:1.5;marker-end:url(#moi-dim-arrow);vector-effect:non-scaling-stroke}
.moi-svg-dim-core{stroke:#52657d;stroke-width:1.5;vector-effect:non-scaling-stroke}
.moi-svg-dim-text{paint-order:stroke;stroke:#fbfdff;stroke-width:4px;stroke-linejoin:round}
.moi-svg-placement-axis{stroke:#7c91aa;stroke-width:1.5;stroke-dasharray:3 5;vector-effect:non-scaling-stroke}
.moi-svg-placement-label{fill:#52657d;font-size:14px;font-weight:800;paint-order:stroke;stroke:#fff;stroke-width:3px}
.moi-svg-placement-origin{fill:#fff;stroke:#52657d;stroke-width:2;vector-effect:non-scaling-stroke}
.moi-svg-centroid-axis{stroke:#73849a;stroke-width:2;stroke-dasharray:7 5;vector-effect:non-scaling-stroke}
.moi-svg-centroid-axis.is-active{stroke:#ed6a34;stroke-width:4}
.moi-svg-centroid-label{fill:#b5411d;font-size:12px;font-weight:800;paint-order:stroke;stroke:#fff;stroke-width:3px}
.moi-svg-legend{fill:#40556f;font-size:11px;font-weight:700;paint-order:stroke;stroke:#fff;stroke-width:3px}

/* Latin symbols, numerals and formulas use an offline Times-style font stack. */
.moi-calculator{
  --moi-math-font:"Times New Roman","Nimbus Roman No9 L","Liberation Serif",Times,"Yu Gothic UI","Meiryo",serif;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Yu Gothic UI","Meiryo",sans-serif;
}
/* WordPressテーマの見出し装飾がウィジェットへ漏れ込まないようにする。 */
.moi-calculator h1,
.moi-calculator h2,
.moi-calculator h3,
.moi-calculator h4{
  background:transparent!important;
  border:0!important;
  box-shadow:none!important;
  color:inherit;
  letter-spacing:normal;
  margin:0;
  padding:0;
  text-transform:none;
}
/* iframe版では冒頭の説明ヘッダーをWordPress側へ置くため、最初の操作部を上端から表示する。 */
.moi-calculator > .moi-section:first-child{
  margin-top:0;
}
.moi-calculator .moi-symbol,
.moi-calculator .moi-math,
.moi-calculator .moi-step,
.moi-calculator #moi-unit,
.moi-calculator .moi-input,
.moi-calculator .moi-input-unit,
.moi-calculator .moi-axis-mark,
.moi-calculator .moi-axis-help__item strong,
.moi-calculator .moi-result-card__value,
.moi-calculator .moi-result-card__scientific,
.moi-calculator .moi-formula p,
.moi-calculator .moi-detail-table,
.moi-calculator .moi-calculator__hero::after,
.moi-calculator .moi-svg-axis-label,
.moi-calculator .moi-svg-dim-text,
.moi-calculator .moi-svg-origin-label,
.moi-calculator .moi-svg-coordinate,
.moi-calculator .moi-svg-placement-label,
.moi-calculator .moi-svg-centroid-label,
.moi-calculator .moi-composite-label{
  font-family:var(--moi-math-font);
}

/* WordPress article edition: green palette aligned with Plant Engineering Tree. */
.moi-calculator__hero h2{position:relative;z-index:1;margin:0;max-width:760px;font-size:clamp(2rem,5vw,3.75rem);line-height:1.15;letter-spacing:.02em}
.moi-section__heading h3,.moi-panel__heading h3,.moi-guide h3{margin:0;color:var(--moi-ink);font-size:clamp(1.25rem,2.5vw,1.7rem);line-height:1.35}
.moi-svg-shape{fill:#cce0fa;stroke:#1769e0}
.moi-svg-hole{stroke:#1769e0}
.moi-svg-axis.is-active,.moi-svg-centroid-axis.is-active{stroke:#ed6a34}
.moi-svg-centroid{stroke:#ed6a34}
.moi-svg-bend{fill:#ed6a34}
.moi-axis-help__item.is-active{border-color:#ef9b79;background:#fff8f4}
.moi-axis-help__item.is-active .moi-axis-mark{background:#ed6a34}
.moi-result-card.is-active::before{background:#ed6a34}
.moi-positive{fill:#b9dafb;stroke:#1769e0}
.moi-svg-origin-label,.moi-svg-centroid-label{fill:#b5411d}