/* Engineering as a visual discipline: one grid, restrained surfaces, useful lines. */
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/* A short statement of taste, then the evidence of the work. */
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/* The development archive follows the same visual grammar. */
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/* Keep the complete finite Fourier sum on one continuous, readable line. */
.sense-examples .trig-equation{display:flex;flex-flow:row nowrap;align-items:center;gap:5px;font-size:clamp(16px,1.5vw,21px);line-height:1.25;letter-spacing:0;margin:19px 0 22px}
.trig-equation>span{flex-shrink:0}
.trig-equation i{font-style:italic}.trig-equation sub{font-size:.62em;line-height:0}
.trig-lead{display:flex;align-items:center;gap:3px}
.trig-fraction{display:inline-flex;flex-direction:column;align-items:center;font-size:.83em;line-height:1.15;margin:0 3px}
.trig-fraction>span:first-child{border-bottom:1px solid currentColor;padding:0 3px 3px}.trig-fraction>span:last-child{padding-top:3px}
.trig-series{display:flex;align-items:center;gap:8px}.trig-sum{display:flex;flex-direction:column;align-items:center;line-height:1}
.trig-sum>span{font-size:1.6em;line-height:1.1}.trig-sum sup,.trig-sum sub{font-size:.55em;line-height:1;position:static}
@media(min-width:601px) and (max-width:1100px){.sense-examples{grid-template-columns:repeat(2,minmax(0,1fr))}.sense-examples article:first-child{grid-column:1/-1}.sense-examples .trig-equation{font-size:21px}}
@media(max-width:600px){.sense-examples .trig-equation{font-size:clamp(16px,5vw,21px);gap:3px}.trig-series{gap:3px}.trig-lead{gap:2px}}

/* Previous (1999) site, beside the language switch at the top right. */
.legacy-site{display:flex;align-items:center;min-height:32px;padding:6px 8px;color:#8e999e;font-size:10px;font-weight:400;line-height:1.2;white-space:nowrap;text-decoration:none;flex-shrink:0}
.legacy-site:hover{color:#fff}
@media(max-width:600px){.legacy-site{min-height:34px;padding:5px 7px}}
@media(max-width:379px){.legacy-site{display:none}}

/* 量子乱数の宗 (/ryoushi/), just left of the old-site link. */
.ryoushi-site{display:flex;align-items:center;min-height:32px;padding:6px 8px;color:#b2d4db;font-size:10px;font-weight:400;line-height:1.2;white-space:nowrap;text-decoration:none;flex-shrink:0}
.ryoushi-site:hover{color:#fff}
@media(max-width:600px){.ryoushi-site{min-height:34px;padding:5px 7px}}
/* The two links side by side; stacked where the header is tight (the narrowest desktop widths and phones), menu only below 380px. */
.site-links{display:flex;align-items:center;flex-shrink:0}
@media(min-width:851px) and (max-width:1000px),(max-width:600px){.site-links{flex-direction:column;align-items:flex-end}.site-links a{min-height:24px;padding:3px 6px}}
@media(max-width:379px){.site-links{display:none}}
/* "Quantum RNG" is wider than 量子乱数: English keeps the two links in the menu below 400px. */
@media(max-width:399px){html[lang=en] .site-links{display:none}}

.form-trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.contact-form .button:disabled{opacity:.55;cursor:wait;transform:none}
#form-status[data-state="success"]{color:#b9efce}
#form-status[data-state="error"]{color:#ffcbc4}
#form-status a,.form-note a{text-decoration:underline;text-underline-offset:3px}

/* "詳しく見る" in the focus panel, shown only for themes with a detail page. .text-link sets display, so hide explicitly. */
#ai-detail{margin-left:28px}
#ai-detail[hidden]{display:none}
@media(max-width:600px){#ai-detail{margin-left:20px}}

/* Seven focus tabs: a 4 + 3 grid on tablets and phones instead of seven narrow columns. */
@media(max-width:850px){.ai-tabs{display:grid;grid-template-columns:repeat(4,1fr)}.ai-tabs button{border-right:1px solid #3a474c}.ai-tabs button:nth-child(-n+4){border-bottom:1px solid #3a474c}.ai-tabs button:nth-child(4n),.ai-tabs button:last-child{border-right:0}}