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var(--normal-0);&[data-color='positive']{color:var(--positive)}&[data-color='palette']{color:var(--palette-accent-strong);background-color:color-mix(in srgb,var(--palette-surface) 84%,var(--palette-paper));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--palette-border) 88%,transparent)}&::after{content:'';width:20px;height:20px;background-color:currentColor;mask:var(--rd-ilink-mark) center / contain no-repeat;forced-color-adjust:none}&[data-mark='external']{--rd-ilink-mark:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 15 15'%3E%3Cpath fill='%23000' stroke='%23000' stroke-width='1' fill-rule='evenodd' d='M3 2C2.44772 2 2 2.44772 2 3V12C2 12.5523 2.44772 13 3 13H12C12.5523 13 13 12.5523 13 12V8.5C13 8.22386 12.7761 8 12.5 8C12.2239 8 12 8.22386 12 8.5V12H3V3L6.5 3C6.77614 3 7 2.77614 7 2.5C7 2.22386 6.77614 2 6.5 2H3ZM12.8536 2.14645C12.9015 2.19439 12.9377 2.24964 12.9621 2.30861C12.9861 2.36669 12.9996 2.4303 13 2.497L13 2.5V2.50049V5.5C13 5.77614 12.7761 6 12.5 6C12.2239 6 12 5.77614 12 5.5V3.70711L6.85355 8.85355C6.65829 9.04882 6.34171 9.04882 6.14645 8.85355C5.95118 8.65829 5.95118 8.34171 6.14645 8.14645L11.2929 3H9.5C9.22386 3 9 2.77614 9 2.5C9 2.22386 9.22386 2 9.5 2H12.4999H12.5C12.5678 2 12.6324 2.01349 12.6914 2.03794C12.7504 2.06234 12.8056 2.09851 12.8536 2.14645Z'/%3E%3C/svg%3E")}&[data-mark='window']{--rd-ilink-mark:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 15 15'%3E%3Cpath fill='%23000' stroke='%23000' stroke-width='1' fill-rule='evenodd' d='M12 13C12.5523 13 13 12.5523 13 12V3C13 2.44771 12.5523 2 12 2H3C2.44771 2 2 2.44771 2 3V6.5C2 6.77614 2.22386 7 2.5 7C2.77614 7 3 6.77614 3 6.5V3H12V12H8.5C8.22386 12 8 12.2239 8 12.5C8 12.7761 8.22386 13 8.5 13H12ZM9 6.5C9 6.5001 9 6.50021 9 6.50031V6.50035V9.5C9 9.77614 8.77614 10 8.5 10C8.22386 10 8 9.77614 8 9.5V7.70711L2.85355 12.8536C2.65829 13.0488 2.34171 13.0488 2.14645 12.8536C1.95118 12.6583 1.95118 12.3417 2.14645 12.1464L7.29289 7H5.5C5.22386 7 5 6.77614 5 6.5C5 6.22386 5.22386 6 5.5 6H8.5C8.56779 6 8.63244 6.01349 8.69139 6.03794C8.74949 6.06198 8.80398 6.09744 8.85143 6.14433C8.94251 6.23434 8.9992 6.35909 8.99999 6.49708L8.99999 6.49738'/%3E%3C/svg%3E")}&:is(:active,:focus-visible)[data-color='palette']{background-color:color-mix(in srgb,var(--palette-accent) 12%,var(--palette-paper));color:var(--palette-accent-strong);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--palette-accent-strong) 62%,transparent),0 8px 18px -14px color-mix(in srgb,var(--palette-accent) 42%,transparent)}&:is(:active,:focus-visible)[data-color='positive']{background-color:color-mix(in srgb,var(--positive) 10%,transparent);color:var(--positive-h,var(--positive))}&[data-color='positive']:focus-visible{box-shadow:0 0 0 2px color-mix(in srgb,var(--positive) 22%,transparent)}@media (hover:hover){&[data-color='palette']:hover{background-color:color-mix(in srgb,var(--palette-accent) 12%,var(--palette-paper));color:var(--palette-accent-strong);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--palette-accent-strong) 62%,transparent),0 8px 18px -14px color-mix(in srgb,var(--palette-accent) 42%,transparent)}&[data-color='positive']:hover{background-color:color-mix(in srgb,var(--positive) 10%,transparent);color:var(--positive-h,var(--positive))}}}}@layer pages{.rd-page{--reading-paper:var(--palette-paper);--reading-surface:var(--palette-surface);--reading-surface-strong:var(--palette-surface-strong);--reading-border:var(--palette-border);--reading-ink:var(--palette-ink);--reading-muted:var(--palette-muted);--reading-accent:var(--palette-accent);--reading-accent-strong:var(--palette-accent-strong);--reading-shadow:var(--palette-shadow);--reading-shadow-soft:var(--palette-shadow-soft);--reading-hairline:1px;--reading-rule:color-mix(in srgb,var(--reading-border) 70%,transparent);--reading-rule-strong:var(--reading-border);--reading-rule-accent:color-mix(in srgb,var(--reading-accent) 20%,var(--reading-border));--reading-fill:color-mix(in srgb,var(--reading-paper) 90%,var(--reading-ink));--reading-tint:color-mix(in srgb,var(--reading-paper) 94%,var(--reading-ink));--reading-radius-box:10px;--reading-radius-figure:12px;--reading-radius-chip:6px;--reading-radius-card:14px;--reading-measure:72ch;--reading-measure-wide:82ch;display:block;color:var(--reading-ink);background:var(--reading-paper);padding:clamp(16px,3vw,28px) 0 clamp(48px,8vw,88px)}.rd-learn{& :is(.rd-title,.rd-block-title,.rd-links-title,.rd-stack-title,.rd-tl-title),& :is(.rd-block-body,.rd-section-body,.rd-callout-body,.rd-prose) :is(h1,h2,h3),& .rd-callout .rd-callout-body > :first-child{font-family:var(--font);letter-spacing:0.01em}& .rd-title{font-family:var(--font);font-size:clamp(2rem,4.8vw,3.3rem);font-weight:800;line-height:1.26;letter-spacing:0.18rem}}.rd-container{width:min(calc(100% - clamp(24px,6vw,64px)),var(--reading-full,1280px));margin-inline:auto}.rd-measure-full{max-width:var(--reading-full,1280px)}.rd-measure-wide{max-width:var(--reading-measure-wide,72rem)}.rd-measure-prose{max-width:var(--reading-measure,46rem)}.rd-hero{margin-bottom:clamp(24px,4vw,36px)}.rd-hero-shell{display:grid;gap:clamp(16px,2.5vw,24px);padding:clamp(18px,3vw,28px) 0 clamp(18px,3vw,24px)}.rd-hero-intro,.rd-intro{display:grid;gap:clamp(12px,2vw,18px);align-content:start}.rd-eyebrow{margin:0;width:fit-content;color:var(--reading-accent);font-size:0.82rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase}.rd-title{margin:0;font-family:var(--heading-font,var(--font));font-size:clamp(2rem,4.8vw,3.3rem);font-weight:800;line-height:1.26;letter-spacing:-0.02em;text-wrap:auto}.rd-page :where(h1,h2,h3,h4,h5,h6) ruby{ruby-align:center;ruby-position:over;line-height:2.2}.rd-page :where(h1,h2,h3,h4,h5,h6) rt{font-size:0.4em;font-weight:400;letter-spacing:-0.02em}.rd-subtitle{margin:0;color:var(--reading-muted);font-size:clamp(0.98rem,1.5vw,1.08rem);line-height:1.6}.rd-lead{margin:0;color:var(--reading-muted);font-size:clamp(1rem,1.1vw,1.08rem);line-height:1.84}.rd-body{width:min(calc(100% - clamp(24px,6vw,64px)),var(--reading-full,1280px));margin:0 auto;display:grid;gap:clamp(18px,3vw,32px)}.rd-main{min-width:0;display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(16px,2.6vw,24px)}.rd-block{padding:clamp(22px,3vw,30px) 0 0}.rd-block + .rd-block{margin-top:clamp(10px,1.6vw,16px);content-visibility:auto;contain-intrinsic-size:auto 1200px}.rd-block + .rd-links-block{content-visibility:visible;contain-intrinsic-size:none}.rd-block-header{display:grid;gap:0.34rem;margin-bottom:clamp(12px,1.8vw,16px)}.rd-block-kicker{color:var(--reading-accent);font-size:1rem;font-weight:700;letter-spacing:0.14em;line-height:1.4;margin-bottom:clamp(8px,1.5vw,12px)}.rd-block-title{margin:0;color:color-mix(in srgb,var(--reading-ink) 90%,var(--reading-accent-strong));font-family:var(--font);font-size:clamp(1.42rem,2.2vw,1.82rem);font-weight:720;line-height:1.46;letter-spacing:-0.025em;text-wrap:auto}.rd-block-subtitle{margin:0;color:var(--reading-muted);font-size:clamp(0.96rem,1.1vw,1.02rem);line-height:1.78}:is(.rd-block-body,.rd-section-body,.rd-callout-body,.rd-prose){--reading-prose-font-size:clamp(1.02rem,0.98rem + 0.12vw,1.08rem);--reading-prose-line-height:1.92;--reading-prose-space:1lh;--reading-prose-heading-gap:1.8rem;--reading-prose-list-indent:1.9rem;--reading-prose-list-gap:0.72rem;--reading-prose-list-nested-gap:0.55rem;--reading-prose-marker-size:1.35rem;--reading-prose-quote-indent:1.1rem;--reading-prose-definition-indent:1rem;color:var(--reading-ink);text-autospace:normal;& > :last-child{margin-bottom:0}& :is(p,ul,ol,blockquote,figure){margin-top:1.4em}& :is(p,ul,ol,blockquote,dl,figure,table,pre,hr){margin-bottom:0}& :is(p,li,td,th,dd){font-size:var(--reading-prose-font-size);line-height:var(--reading-prose-line-height);word-break:normal;overflow-wrap:break-word}& :is(li,dd){line-height:1.7}& :is(td,th){font-size:0.95em;line-height:1.5}& p{text-align:justify;text-justify:inter-ideograph}& :is(li,td,th,dd){text-align:left}& :is(strong,b){color:var(--reading-ink);font-weight:700}& :is(h1,h2,h3,h4,h5,h6){margin:var(--reading-prose-heading-gap) 0 0}& :is(h1,h2,h3,h4,h5,h6) + :not(h1,h2,h3,h4,h5,h6){margin-top:0.4em}& h3{color:color-mix(in srgb,var(--reading-ink) 90%,var(--reading-accent-strong));font-family:var(--font);font-size:clamp(1.14rem,1.55vw,1.38rem);font-weight:700;line-height:1.56;letter-spacing:-0.02em;text-wrap:auto}& h4{color:color-mix(in srgb,var(--reading-accent) 28%,var(--reading-ink));font-size:clamp(1.04rem,1.2vw,1.16rem);font-weight:700;line-height:1.85}& :is(ul,ol):not(.rd-plain-list){margin:calc(var(--reading-prose-space) * 1.05) 0;padding:0;list-style:none}& :is(ul,ol):not(.rd-plain-list) > li{position:relative;padding-left:var(--reading-prose-list-indent)}& :is(ul,ol):not(.rd-plain-list) > li + li{margin-top:var(--reading-prose-list-gap)}& ul:not(.rd-plain-list) > li::before{content:'';position:absolute;left:0.55rem;top:0.8em;width:0.3rem;height:0.3rem;border-radius:999px;background:color-mix(in srgb,var(--reading-accent) 78%,var(--reading-muted))}& ol:not(.rd-plain-list){counter-reset:reading-ordered-list}& ol:not(.rd-plain-list) > li{counter-increment:reading-ordered-list}& ol:not(.rd-plain-list) > li::before{content:counter(reading-ordered-list) '.';position:absolute;left:0;top:0.02em;width:var(--reading-prose-marker-size);color:var(--reading-muted);font-weight:600;font-variant-numeric:tabular-nums;text-align:right;letter-spacing:0.01em}& blockquote{position:relative;margin:calc(var(--reading-prose-space) * 1.25) 0 0;padding:0.1rem 0 0.1rem var(--reading-prose-quote-indent);color:color-mix(in srgb,var(--reading-ink) 84%,var(--reading-muted))}& blockquote::before{content:'';position:absolute;left:0;top:0.2rem;bottom:0.2rem;width:1px;background:var(--reading-rule-accent)}& dt{margin-top:1.35rem;color:var(--reading-ink);font-size:0.98rem;font-weight:700;line-height:1.75;letter-spacing:0.02em}& dt:first-child{margin-top:0}& dd{margin:0.2rem 0 0;padding-left:var(--reading-prose-definition-indent);color:color-mix(in srgb,var(--reading-ink) 82%,var(--reading-muted))}& 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.rd-faq{--faq-item-divider:color-mix(in srgb,var(--palette-border) 78%,var(--palette-accent));--faq-trigger-hover-bg:color-mix(in srgb,var(--palette-accent) 12%,var(--palette-paper));--faq-trigger-open-bg:var(--faq-trigger-hover-bg)}@media (prefers-color-scheme:dark){:root:not([data-theme]) .rd-faq{--faq-item-divider:color-mix(in srgb,var(--palette-border) 78%,var(--palette-accent));--faq-trigger-hover-bg:color-mix(in srgb,var(--palette-accent) 12%,var(--palette-paper));--faq-trigger-open-bg:var(--faq-trigger-hover-bg)}}.rd-faq-root{width:100%;padding:0;@media (min-width:600px){max-width:var(--panel-xl,960px);margin:0 auto;border-radius:var(--radius-input)}}.rd-faq-item{position:relative;border-bottom:1px solid var(--faq-item-divider);scroll-margin-top:calc(var(--header-height,72px) + var(--space4));&:last-child{border-bottom:none}}.rd-faq-trigger{display:flex;flex-wrap:nowrap;align-items:center;justify-content:space-between;gap:var(--space1);overflow:hidden;width:100%;min-height:56px;padding:var(--space2);color:var(--palette-ink);font-size:var(--font-size3);line-height:1.55;text-align:start;list-style:none;cursor:pointer;user-select:none;@media (min-width:600px){gap:var(--space2)}@media (hover:hover){&:hover{background-color:var(--faq-trigger-hover-bg)}}&::-webkit-details-marker{display:none}&::after{--rd-faq-mark:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'%3E%3C/line%3E%3Cline x1='5' y1='12' x2='19' y2='12'%3E%3C/line%3E%3C/svg%3E");content:'';display:block;flex-shrink:0;width:24px;height:24px;background-color:currentColor;mask:var(--rd-faq-mark) center / auto no-repeat}}:root[lang='ja'] .rd-faq-trigger{letter-spacing:0.09rem}.rd-faq-item[open] > .rd-faq-trigger{color:var(--palette-accent-strong);background-color:var(--faq-trigger-open-bg);&::after{--rd-faq-mark:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'%3E%3C/line%3E%3C/svg%3E")}}.rd-faq-native{display:grid;grid-template-rows:1fr;overflow:hidden}.rd-markdown :is(p,li){font-size:var(--font-size3);line-height:1.8}.rd-faq-content{overflow:hidden;min-height:0;padding:var(--space2) var(--space2) var(--space4);color:var(--normal-6);font-size:var(--font-size2);line-height:1.8;& > :first-child{margin-top:0}& p{margin:0 0 1rem;line-height:1.8;&:last-child{margin-bottom:0}}& strong{font-weight:600;color:var(--normal)}}.rd-refs-body{margin-top:1.9rem}.rd-refs-section{margin-top:2.6rem;&:first-of-type{margin-top:0}}.rd-refs-section .rd-refs-heading{margin-top:0;margin-bottom:0.8rem}.rd-refs-list{--ref-cover-w:44px;--ref-cover-h:62px;--ref-cover-gap:0.95rem;display:grid;margin:0;padding:0;@media (max-width:480px){--ref-cover-w:40px;--ref-cover-h:56px;--ref-cover-gap:0.75rem}}.rd-refs-covers{gap:1.1rem;@media (max-width:480px){gap:0.95rem}}.rd-refs-item{min-width:0}.rd-refs-covers .rd-refs-item{display:flex;align-items:flex-start;gap:var(--ref-cover-gap)}.rd-refs-plain .rd-refs-item{padding:0.9rem 0;border-top:var(--reading-hairline,1px) solid var(--reading-rule,var(--palette-border));&:first-child{padding-top:0;border-top:0}&:last-child{padding-bottom:0}}.rd-refs-item-body{display:flex;flex:1 1 auto;min-width:0;flex-direction:column;align-items:stretch;color:var(--reading-ink,var(--palette-ink));font-size:0.95rem;line-height:1.72}.rd-refs-covers .rd-refs-item-body{padding-top:0.1rem}.rd-refs-list .rd-refs-cover{display:block;flex:0 0 44px;width:44px;height:62px;border-radius:3px;border:1px solid var(--reading-rule,color-mix(in srgb,currentColor 12%,transparent));object-fit:contain}.rd-refs-placeholder{display:block;flex:0 0 var(--ref-cover-w);width:var(--ref-cover-w);height:var(--ref-cover-h);border:1px solid var(--reading-rule,color-mix(in srgb,currentColor 14%,transparent));border-radius:3px}.rd-refs-text{display:block;min-width:0;overflow-wrap:anywhere;& a{color:inherit;text-decoration:underline;text-decoration-color:color-mix(in srgb,currentColor 35%,transparent);text-underline-offset:0.18em}}.rd-refs-buy{display:inline-flex;align-items:baseline;margin-top:0.3rem;font-size:0.82rem;letter-spacing:0.01em;text-decoration:none;color:var(--palette-muted);transition:color 0.18s ease;@media (hover:hover){&:hover{color:var(--palette-ink)}}@media (max-width:480px){font-size:0.8rem}}.rd-refs-arrow{margin-left:0.15em;font-size:0.9em;opacity:0.75}.rd-bq{--block-quote-ink:var(--reading-ink,var(--palette-ink));--block-quote-muted:var(--reading-muted,var(--palette-muted));--block-quote-accent:var(--reading-accent-strong,var(--palette-accent-strong));--block-quote-original-label:var(--reading-quote-accent,#8a3f34);container-type:inline-size;margin-block:clamp(2rem,4vw,3.25rem);overflow:clip;border:1px solid color-mix(in srgb,var(--block-quote-accent) 18%,transparent);border-radius:clamp(0.75rem,2vw,1rem);color:var(--block-quote-ink);background:color-mix(in srgb,var(--block-quote-accent) 4%,transparent)}.rd-bq-header{padding:clamp(1.15rem,3cqi,1.75rem) clamp(1.1rem,4cqi,2rem) clamp(0.9rem,2cqi,1.2rem);border-bottom:1px solid color-mix(in srgb,var(--block-quote-accent) 14%,transparent)}.rd-bq-header .rd-bq-heading{margin:0;color:var(--block-quote-ink);font-family:var(--font);font-size:clamp(1.05rem,3.2cqi,1.35rem);font-weight:700;line-height:1.55;letter-spacing:0.015em;text-wrap:pretty}.rd-bq-body{margin:0}.rd-bq-section{display:grid;gap:0.45rem;margin:0;padding:clamp(0.9rem,2.7cqi,1.35rem) clamp(1.1rem,4cqi,2rem)}.rd-bq-section + .rd-bq-section{border-top:1px solid color-mix(in srgb,var(--block-quote-accent) 11%,transparent)}.rd-bq-label{margin:0;color:color-mix(in srgb,var(--block-quote-ink) 88%,var(--block-quote-muted));font-size:0.75rem;font-weight:700;letter-spacing:0.12em;line-height:1.5}.rd-bq-label.rd-bq-original-label{color:var(--block-quote-original-label)}:is(.rd-bq-translation,.rd-bq-original-cell,.rd-bq-commentary,.rd-bq-citation){min-width:0;margin:0}.rd-bq-translation{color:var(--block-quote-ink);font-size:clamp(1.04rem,2.7cqi,1.18rem);font-weight:500;line-height:1.9}:is(.rd-bq-translation,.rd-bq-commentary,.rd-bq-citation) > :first-child{margin-top:0}:is(.rd-bq-translation,.rd-bq-commentary,.rd-bq-citation) > :last-child{margin-bottom:0}.rd-bq-original-cell .rd-bq-original{margin:0;padding:0;border:0;background:none;color:color-mix(in srgb,var(--block-quote-accent) 26%,var(--block-quote-ink));font-family:Palatino,'Palatino Linotype','Book Antiqua','Iowan Old Style','Times New Roman',Times,serif;font-kerning:normal;font-size:clamp(1rem,2.6cqi,1.14rem);line-height:1.95;letter-spacing:0.03em;text-align:left;white-space:pre-line;&::before{content:none}& p{margin:0}& p + p{margin-top:0.4rem}}.rd-bq-commentary{color:color-mix(in srgb,var(--block-quote-ink) 86%,var(--block-quote-muted));font-size:clamp(0.96rem,2.5cqi,1.04rem);line-height:1.85}.rd-bq-citation-section{background:color-mix(in srgb,var(--block-quote-accent) 3%,transparent)}.rd-bq-citation{color:var(--block-quote-muted);font-size:0.84rem;line-height:1.7;overflow-wrap:anywhere}@container (min-width:36rem){.rd-bq-section:not(.rd-bq-translation-section){grid-template-columns:5.5rem minmax(0,1fr);column-gap:1.25rem;align-items:start}.rd-bq-section:not(.rd-bq-translation-section) .rd-bq-label{padding-top:0.15rem}}}@layer pages{.rd-stack-label,.rd-tl-period{margin:0;color:var(--reading-accent);font-size:0.82rem;font-weight:700;letter-spacing:0.06em;text-transform:uppercase}.rd-stack-title,.rd-tl-title{margin-top:0.6rem;margin-bottom:0;font-family:var(--font);font-size:clamp(1.18rem,2vw,1.52rem);font-weight:400;line-height:1.45}.rd-timeline{--timeline-rail-size:1.15rem;--timeline-node-size:1.15rem;--timeline-period-pad-block:var(--space1);--timeline-period-pad-inline:0.72rem;position:relative;counter-reset:none;list-style:none;padding:0;margin:1.75rem 0 0;display:grid;gap:1.55rem}.rd-timeline::before{content:'';position:absolute;left:calc((var(--timeline-rail-size) - 1px) / 2);top:0.35rem;bottom:0.35rem;width:1px;background:var(--reading-rule-accent)}.rd-tl-item{margin:0;display:grid;grid-template-columns:var(--timeline-rail-size) minmax(0,1fr);column-gap:1.25rem;align-items:start;list-style:none}.rd-tl-node{grid-column:1;grid-row:1;align-self:start;justify-self:center;margin-top:calc(var(--timeline-period-pad-block) + 0.02rem);width:var(--timeline-node-size);height:var(--timeline-node-size);border-radius:999px;border:var(--reading-hairline) solid color-mix(in srgb,var(--reading-accent) 30%,var(--reading-border));background:var(--reading-paper);box-shadow:inset 0 0 0 0.24rem color-mix(in srgb,var(--reading-accent) 82%,transparent)}.rd-tl-content{grid-column:2;min-width:0;line-height:1.85}.rd-tl-content > .rd-tl-lead{margin-top:0.85rem;margin-bottom:0;color:var(--reading-muted);line-height:1.85}.rd-tl-content ul{margin-top:0.9rem;margin-bottom:0;padding-left:1.2rem;display:grid;gap:0.4rem}.rd-tl-content ul > li{color:var(--reading-muted);line-height:1.88}.rd-tl-content ul > li::marker{color:var(--reading-accent)}.rd-tl-content > .rd-tl-period{margin:0;display:inline-flex;align-items:center;min-height:var(--timeline-node-size);padding:var(--timeline-period-pad-block) var(--timeline-period-pad-inline);border-radius:var(--reading-radius-chip);background:var(--reading-tint);box-shadow:inset 0 0 0 var(--reading-hairline) var(--reading-rule);line-height:1}.rd-tl-content > .rd-tl-title{margin-top:0.85rem;margin-bottom:0}.rd-tl-content > .rd-tl-highlight{margin-top:1rem;margin-bottom:0;color:var(--reading-ink);font-weight:700;line-height:1.85}.rd-inline-figure-centered{margin-inline:auto}.rd-inline-gallery{width:100%;margin-top:1em;margin-bottom:0}.rd-inline-gallery-asset{width:min(100%,640px);margin-inline:auto}.rd-inline-figure-caption{margin-top:0.65rem;color:var(--reading-muted);font-size:0.88rem;line-height:1.85}.rd-images-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(var(--image-grid-min-width,240px),100%),1fr));overflow:visible;gap:0.9rem}.rd-images-cell{min-width:0;position:relative}a.rd-images-open{display:block;width:100%;padding:0;border:0;border-radius:0;overflow:visible;background:transparent;color:inherit;text-align:inherit;cursor:pointer;& picture{display:inline}& img{display:inline-block;inline-size:auto;block-size:auto;max-inline-size:100%;vertical-align:bottom;transition:all ease 500ms}&:focus-visible{outline:3px solid var(--positive);outline-offset:3px}}}@layer pages{.rd-figure{--reading-figure-aspect-ratio:var(--photo-w) / var(--photo-h);--reading-figure-max-width:min(calc(var(--photo-w) * 1px),calc(var(--photo-w) / var(--photo-h) * 600px));margin:0;display:grid;gap:0.85rem}.rd-figure-asset,.rd-figure-asset > .rd-image-container{display:flex;justify-content:center;width:100%}.rd-figure-asset{width:min(100%,var(--reading-figure-max-width));aspect-ratio:var(--reading-figure-aspect-ratio);margin-inline:auto}.rd-figure-asset > .rd-image-container,.rd-figure-asset > .rd-image-container picture{height:100%}.rd-figure-asset > .rd-image-container picture{display:block;width:100%}a.rd-figure-open{display:block;width:100%;height:100%;overflow:visible;border-radius:0;background:none;cursor:pointer}:is(a.rd-figure-open,a.rd-images-open) img,:is(a.rd-figure-open,a.rd-images-open):hover img{scale:none}.rd-figure-asset img{display:block;width:100%;max-width:100%;max-height:600px;height:100%;margin-inline:auto;object-fit:contain}.rd-figure-caption{margin:0;color:var(--reading-muted);font-size:0.9rem;line-height:1.85}.rd-callout{display:grid;gap:0.55rem;margin:var(--space4) auto;padding:var(--space3);color:var(--reading-ink);background:var(--reading-tint);border-radius:var(--reading-radius-card);@media screen and (max-width:640px){padding:var(--space2) var(--space3)}}.rd-callout-body{min-width:0}.rd-callout-title{margin:0;width:fit-content;color:color-mix(in srgb,var(--reading-accent-strong) 76%,var(--reading-ink));font-size:0.8rem;font-weight:700;letter-spacing:0.1em;text-align:left}.rd-callout .rd-callout-body > :first-child{margin:0;padding:0.15rem 0 0.15rem 1rem;border-left:2px solid color-mix(in srgb,var(--reading-accent) 42%,transparent);color:color-mix(in srgb,var(--reading-accent-strong) 24%,var(--reading-ink));font-family:var(--font-serif);font-size:clamp(1.16rem,1.9vw,1.38rem);line-height:1.95;letter-spacing:0.03em;text-align:justify;text-justify:inter-ideograph;@media screen and (max-width:640px){padding-left:0.8rem;font-size:clamp(1.08rem,4.6vw,1.3rem);line-height:1.9}}.rd-callout .rd-callout-body > :nth-child(2){margin:0.75rem 0 0;color:color-mix(in srgb,var(--reading-ink) 82%,var(--reading-muted));font-size:clamp(1rem,1.15vw,1.1rem);line-height:1.85;text-align:justify;text-justify:inter-ideograph}.rd-callout .rd-callout-body > :nth-child(n + 3){margin:0.6rem 0 0;color:color-mix(in srgb,var(--reading-ink) 80%,var(--reading-muted));font-size:clamp(0.96rem,1.05vw,1.02rem);line-height:1.85;text-align:left}.rd-callout .rd-callout-body p:last-child{margin-top:0.85rem}.rd-callout .rd-callout-body small{color:var(--reading-muted);font-size:0.85rem;letter-spacing:0.01em;line-height:1.7}}@layer pages{.rd-toc{box-sizing:border-box;width:100%;margin-top:var(--space6);margin-bottom:calc(var(--space6) * 1.5);padding:clamp(20px,3vw,30px);border:1px solid var(--reading-border,var(--palette-border));border-radius:var(--reading-radius-box,10px);background:var(--reading-surface,var(--palette-surface))}.rd-learn [data-reading-toc]{max-width:var(--reading-measure,46rem)}.rd-toc-desc{margin:0 0 var(--space3);color:var(--reading-muted,var(--palette-muted));font-size:0.98rem;line-height:1.8}.rd-toc-box{--toc-border:var(--palette-border);--toc-ink:var(--palette-ink);--toc-muted:var(--palette-muted);--toc-accent:var(--palette-accent);display:block;min-width:auto;width:100%;margin:0;padding:0;border:0;background:none}.rd-toc-title{display:flex;align-items:center;justify-content:flex-start;gap:var(--space1);margin:0 0 var(--space2);color:var(--toc-ink);font-family:var(--font);font-size:clamp(1.3rem,2vw,1.62rem);font-weight:760;line-height:1.8;letter-spacing:0}.rd-toc-nav{padding:0}.rd-toc-list{display:grid;gap:0;margin:0;padding:0;list-style:none;&[data-depth='0']{counter-reset:toc}&:not([data-depth='0']){margin-top:0.34em;padding-left:2.1em;gap:0.2em}}.rd-toc-item{margin:0;font-size:var(--font-size1);line-height:1.8}.rd-toc-item + .rd-toc-item{border-top:1px solid color-mix(in srgb,var(--toc-border) 72%,transparent)}.rd-toc-list[data-depth='0'] > .rd-toc-item{counter-increment:toc}.rd-toc-link{display:grid;grid-template-columns:1.7em 1fr;column-gap:0.45em;align-items:center;min-height:48px;padding:0.65rem 0;color:color-mix(in srgb,var(--toc-ink) 80%,var(--toc-muted));line-height:1.55;text-decoration:none;transition:color 0.18s ease;&:focus-visible{outline:3px solid var(--toc-accent);outline-offset:3px;border-radius:4px}&::before{content:counter(toc,decimal-leading-zero);color:var(--toc-muted);font-size:0.84em;font-weight:550;font-variant-numeric:tabular-nums;font-feature-settings:'tnum';letter-spacing:0.02em;text-align:left}@media (hover:hover){&:hover{color:var(--toc-accent)}&:hover::before{color:var(--toc-accent)}}}.rd-toc-list:not([data-depth='0']) .rd-toc-link{grid-template-columns:1fr;&::before{content:none}}.rd-toc-item[data-active] > .rd-toc-link{color:var(--toc-ink);font-weight:600}.rd-toc-item[data-active] > .rd-toc-link::before{color:var(--toc-accent);font-weight:700}}@layer pages{.rd-keynote{margin:var(--space4) 0;padding-top:1rem;border-top:var(--reading-hairline) solid var(--reading-rule-accent)}.rd-keynote-text{margin:0;color:var(--reading-accent-strong);font-family:var(--font-serif);font-size:clamp(1.7rem,4.8vw,3rem);font-weight:700;line-height:1.5;letter-spacing:0.03em;text-align:left;@media screen and (max-width:640px){font-size:clamp(1.5rem,7vw,2rem);line-height:1.55}}.rd-meta-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(14rem,100%),1fr));gap:0.6rem}.rd-meta-item{display:flex;flex-direction:column;gap:0.25rem;min-width:0;padding:0.7rem 0.9rem;background:var(--reading-fill);border:var(--reading-hairline) solid var(--reading-rule);border-radius:var(--reading-radius-box)}.rd-meta-label{color:var(--reading-muted);font-size:0.78rem;font-weight:700;letter-spacing:0.02em;line-height:1.5}.rd-meta-value{color:var(--reading-ink);font-size:0.95rem;font-weight:700;line-height:1.6;overflow-wrap:anywhere}.rd-stack{display:grid;gap:0;margin-top:clamp(1.4rem,3vw,2.2rem)}.rd-stack-item{padding-block:clamp(1.15rem,2.5vw,1.75rem);border-top:var(--reading-hairline) solid color-mix(in srgb,var(--reading-border) 78%,transparent)}.rd-stack-heading{display:flex;flex-wrap:wrap;gap:0.42rem 0.85rem;align-items:baseline}.rd-stack-heading .rd-stack-label{flex:0 0 auto;padding-top:0.08em;color:var(--reading-muted);font-size:0.76rem;letter-spacing:0.05em}.rd-stack-heading .rd-stack-title{flex:1 1 16rem;margin-top:0}.rd-stack-text{margin-top:0.65rem;margin-bottom:0;color:color-mix(in srgb,var(--reading-ink) 88%,var(--reading-muted));line-height:var(--reading-prose-line-height,1.92)}.rd-shingon{position:relative;isolation:isolate;display:grid;gap:clamp(1.15rem,2.6vw,1.8rem);margin:var(--space5,3rem) auto;padding:clamp(1.6rem,4.5vw,3rem) clamp(1.25rem,5vw,3.75rem);color:var(--reading-ink);background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--reading-accent) 5%,transparent) 18%,color-mix(in srgb,var(--reading-accent) 8%,transparent) 50%,color-mix(in srgb,var(--reading-accent) 5%,transparent) 82%,transparent),color-mix(in srgb,var(--reading-paper) 92%,var(--reading-surface));&::before,&::after{position:absolute;left:0;width:100%;height:5px;content:'';background:linear-gradient(to bottom,color-mix(in srgb,var(--reading-accent-strong) 54%,var(--reading-border)) 0 1px,transparent 1px 4px,color-mix(in srgb,var(--reading-accent) 26%,var(--reading-border)) 4px 5px)}&::before{top:0}&::after{bottom:0;transform:rotate(180deg)}}.rd-shingon > .rd-shingon-label{display:grid;grid-template-columns:minmax(1.5rem,1fr) auto minmax(1.5rem,1fr);gap:clamp(0.7rem,2.5vw,1.4rem);align-items:center;margin:0;color:color-mix(in srgb,var(--reading-accent-strong) 82%,var(--reading-ink));font-family:var(--font);font-size:clamp(0.8rem,1.2vw,0.9rem);font-weight:700;line-height:1.5;letter-spacing:0.12em;text-align:center}.rd-shingon > .rd-shingon-label::before,.rd-shingon > .rd-shingon-label::after{height:1px;content:'';background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--reading-accent) 42%,var(--reading-border)))}.rd-shingon > .rd-shingon-label::after{transform:rotate(180deg)}.rd-shingon-invocation{display:grid;gap:0.65rem;text-align:center}.rd-shingon .rd-shingon-invocation > .rd-shingon-text{margin:0;color:color-mix(in srgb,var(--reading-accent-strong) 48%,var(--reading-ink));font-family:var(--font-serif);font-size:clamp(1.45rem,3.25vw,2.2rem);font-weight:500;line-height:1.75;letter-spacing:0.075em;text-align:center;overflow-wrap:anywhere}.rd-shingon .rd-shingon-invocation > .rd-shingon-reading{margin:0;color:color-mix(in srgb,var(--reading-muted) 86%,var(--reading-ink));font-family:Palatino,'Palatino Linotype','Book Antiqua','Iowan Old Style','Times New Roman',Times,serif;font-kerning:normal;font-size:clamp(0.96rem,1.35vw,1.08rem);line-height:1.7;letter-spacing:0.025em;text-align:center;overflow-wrap:anywhere}.rd-shingon > .rd-shingon-meaning{position:relative;margin:0;padding-top:clamp(1.2rem,2.6vw,1.7rem);color:color-mix(in srgb,var(--reading-ink) 80%,var(--reading-muted));font-family:var(--font);font-size:clamp(0.94rem,1.05vw,1rem);line-height:1.9;text-align:justify;text-justify:inter-ideograph}.rd-shingon > .rd-shingon-meaning::before{position:absolute;top:0;left:50%;width:min(7rem,28%);height:1px;content:'';background:color-mix(in srgb,var(--reading-accent) 34%,var(--reading-border));transform:translateX(-50%)}@media screen and (max-width:640px){.rd-shingon{gap:1.15rem;margin-block:var(--space4,2rem);padding-inline:clamp(1rem,5.5vw,1.5rem)}.rd-shingon > .rd-shingon-label{grid-template-columns:minmax(0.75rem,1fr) auto minmax(0.75rem,1fr);gap:0.7rem;letter-spacing:0.08em}.rd-shingon .rd-shingon-invocation > .rd-shingon-text{font-size:clamp(1.3rem,6.2vw,1.72rem);line-height:1.72;letter-spacing:0.055em}.rd-shingon > .rd-shingon-meaning{text-align:left}}.rd-faq .rd-faq-title{font-size:var(--font-size8);font-weight:700;text-align:center;padding:calc(var(--space8) * 2) var(--space2)}.rd-faq .rd-faq-description{font-size:var(--font-size4);text-align:center;padding:0 var(--space2) var(--space8);color:var(--normal-6)}}@layer 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minmax(0,1fr);gap:var(--space2);align-items:start;color:var(--palette-muted);line-height:1.8}.pr-s-guide-number{display:inline-grid;place-items:center;width:2rem;height:2rem;border-radius:50%;background:color-mix(in srgb,var(--palette-accent) 14%,var(--palette-paper));color:color-mix(in srgb,var(--palette-accent-strong) 70%,var(--palette-ink));font-weight:800}.pr-s-template-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--space2);@media screen and (min-width:600px){grid-template-columns:repeat(2,minmax(0,1fr))}}.pr-s-template-card{display:grid;gap:var(--space1);min-height:260px;padding:var(--space3);border:1px solid var(--shakyo-card-border);border-radius:16px;background:color-mix(in srgb,var(--palette-paper) 68%,var(--shakyo-card-surface));color:var(--palette-ink);text-decoration:none;transition:border-color 180ms ease,background 180ms ease;@media (hover:hover){&:hover{border-color:color-mix(in srgb,var(--palette-accent) 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72%,transparent);text-align:center}.pr-s-pull-quote-original{margin:0;color:color-mix(in srgb,var(--palette-accent-strong) 42%,var(--palette-ink));font-size:clamp(1.45rem,3.2vw,2.15rem);font-weight:300;line-height:1.45;letter-spacing:0.12em}.pr-s-pull-quote-reading{color:var(--palette-muted);font-size:clamp(0.86rem,1.05vw,0.96rem);letter-spacing:0.02em;line-height:1.6}.pr-s-source-title{margin:0;color:var(--palette-ink);font-size:1rem;font-weight:700;line-height:1.7}.pr-s-source-title{font-weight:800}.pr-s-section-body,.pr-s-prose,.pr-s-source-stack{display:grid;gap:var(--space2)}.pr-s-prose p{text-align:justify}.pr-s-source-citation{display:grid;gap:var(--space1);padding:0 0 0 var(--space2);border-left:3px solid color-mix(in srgb,var(--palette-accent) 84%,transparent)}.pr-s-source-quote{margin:0;display:grid;gap:var(--space1)}.pr-s-source-quote p{margin:0;color:color-mix(in srgb,var(--palette-accent-strong) 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0;padding:0;list-style:none;li{display:flex;align-items:flex-start;gap:var(--space2);line-height:1.7}}.pr-e-guide-number{flex:none;display:grid;place-items:center;width:1.8em;height:1.8em;border-radius:50%;background:var(--palette-accent);color:var(--palette-on-accent,#fff);font-weight:700;font-size:0.9rem}.pr-e-about-bullet-list{display:grid;gap:var(--space1);margin:var(--space1) 0 0;padding-inline-start:1.2em;color:color-mix(in srgb,var(--palette-ink) 78%,transparent);line-height:1.78}.pr-e-source-list{display:grid;gap:var(--space1);margin:var(--space2) 0 0;padding:0;list-style:none}.pr-e-source-list a{display:grid;gap:0.18rem;padding-block:var(--space1);color:var(--palette-ink);text-decoration-color:color-mix(in srgb,var(--palette-accent) 48%,transparent);text-underline-offset:0.22em}.pr-e-source-list small{color:var(--palette-muted);font-size:0.82rem;line-height:1.45}.pr-e-plate-grid{margin-top:var(--space2);display:grid;gap:var(--space3);grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.pr-e-plate-card{display:grid;gap:var(--space1);padding:var(--space3);border-radius:16px;background:var(--palette-surface-strong);border:1px solid color-mix(in srgb,var(--palette-border) 92%,transparent);text-decoration:none;color:inherit;transition:transform 0.14s ease;@media (hover:hover){&:hover{transform:translateY(-3px)}}}.pr-e-plate-thumb{display:grid;place-items:center;aspect-ratio:1.25;img{width:100%;height:100%;object-fit:contain}}.pr-e-plate-name{font-weight:800;text-align:center}.pr-e-plate-desc{font-size:0.86rem;line-height:1.6;color:color-mix(in srgb,var(--palette-ink) 72%,transparent);text-align:center}.pr-g-page{display:grid;align-content:start;gap:32px;width:min(1120px,calc(100% - 32px));margin-inline:auto;padding:36px 0 56px;color:var(--palette-ink);min-height:100vh;min-height:100dvh}.pr-g-header{display:grid;gap:12px}.pr-g-eyebrow,.pr-g-title,.pr-g-lead,.pr-g-status-text{margin:0}.pr-g-eyebrow{color:color-mix(in srgb,var(--palette-accent) 78%,#66511f 22%);font-size:0.82rem;font-weight:700;letter-spacing:0.08em}.pr-g-title{font-family:var(--heading-font,var(--font));font-size:2rem;line-height:1.3}.pr-g-lead{color:var(--palette-muted);line-height:1.8}.pr-g-action-row{display:flex;flex-wrap:wrap;gap:12px;padding-top:8px}.pr-g-status-text{padding:20px 0;color:var(--palette-muted)}.pr-g-pagination-panel{position:sticky;top:var(--header-height,56px);z-index:20;display:grid;gap:10px;padding:10px 12px;border:1px solid color-mix(in srgb,var(--palette-border) 76%,transparent);border-radius:8px;background:color-mix(in srgb,var(--palette-paper) 86%,white 14%);box-shadow:0 12px 28px rgba(57,45,26,0.08);@supports (backdrop-filter:blur(10px)){background:color-mix(in srgb,var(--palette-paper) 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28%)}.pr-g-ema-image{display:block;width:100%;max-width:280px;img{display:block;width:100%;max-width:280px;height:auto;object-fit:contain;filter:drop-shadow(0 9px 14px rgba(57,45,26,0.18))}& a{display:block;cursor:zoom-in}}.pr-g-author-avatar{display:block;object-fit:cover}.pr-g-card-body{display:grid;gap:10px;padding:12px 14px 14px}.pr-g-card-title{margin:0;color:var(--palette-ink);font-size:1.05rem;font-weight:800;line-height:1.35;overflow-wrap:anywhere}.pr-g-meta-row,.pr-g-author-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.pr-g-meta-row{color:color-mix(in srgb,var(--palette-ink) 62%,transparent);font-size:0.84rem}.pr-g-author-row{justify-content:flex-start;min-width:0;font-weight:700;span:last-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}.pr-g-author-row[data-anonymous='true']{color:color-mix(in srgb,var(--palette-ink) 66%,transparent);font-weight:600}.pr-g-anonymous-mark{display:inline-block;flex:0 0 auto;width:32px;height:32px;border-radius:999px;background:radial-gradient(circle at 50% 38%,rgba(104,92,69,0.62) 0 5px,transparent 6px),radial-gradient(circle at 50% 72%,rgba(104,92,69,0.62) 0 9px,transparent 10px),color-mix(in srgb,var(--palette-surface-strong) 70%,#dfe8e2 30%)}.pr-g-heart-button{justify-self:end;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:58px;height:34px;padding:0 10px;border:1px solid color-mix(in srgb,var(--palette-border) 72%,transparent);border-radius:999px;background:color-mix(in srgb,var(--palette-surface-strong) 78%,white 22%);color:color-mix(in srgb,var(--palette-ink) 72%,transparent);font-size:0.88rem;font-weight:800;line-height:1;cursor:pointer;transition:border-color 160ms ease,color 160ms ease,transform 160ms ease;svg{width:18px;height:18px}@media (hover:hover){&:hover:not(:disabled){border-color:color-mix(in srgb,#d74e5f 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62%,var(--palette-border));color:var(--palette-ink);transform:translateY(-1px)}}&:disabled{cursor:not-allowed;opacity:0.5}}.pr-g-page-nav-button{gap:6px;min-width:88px;height:38px;padding:0 12px;border-radius:999px;font-size:0.9rem;svg{width:18px;height:18px}}.pr-g-page-number-button{width:38px;height:38px;padding:0;border-radius:999px;font-size:0.92rem;&[data-current='true']{border-color:color-mix(in srgb,var(--palette-accent) 70%,var(--palette-border));background:color-mix(in srgb,var(--palette-accent) 16%,var(--palette-surface-strong));color:var(--palette-ink)}}@media (max-width:520px){.pr-g-page{width:min(1120px,calc(100% - 24px));padding-top:24px}.pr-g-title{font-size:1.65rem}.pr-g-pagination-summary{display:grid;justify-content:start}.pr-g-pagination-panel{gap:8px;margin-inline:-4px;padding:8px}.pr-g-pagination{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:6px}.pr-g-page-numbers{flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;justify-content:center;padding:0 2px 4px;scrollbar-width:none;&::-webkit-scrollbar{display:none}}.pr-g-page-nav-button{min-width:64px;height:34px;padding-inline:8px;font-size:0.82rem}.pr-g-page-number-button{flex:0 0 34px;width:34px;height:34px}}.pr-anchor{position:relative;scroll-margin-top:clamp(7.5rem,18vh,10rem);color:var(--palette-ink)}.pr-root .button-root:not([disabled])[data-color='normal'][data-variant='outline']{color:var(--normal);box-shadow:0 0 2px 1px var(--normal);&:focus-visible{background-color:var(--normal-hr);color:var(--normal-h);box-shadow:0 0 3px 2px var(--normal)}@media (hover:hover){&:hover{background-color:var(--normal-hr);color:var(--normal-h);box-shadow:0 0 3px 2px var(--normal)}}&:active{box-shadow:inset 0 0 2px 2px var(--normal)}}.pr-g-avatar{width:32px;height:32px;overflow:hidden}.pr-g-avatar-trigger{display:block;flex:0 0 32px;width:32px;height:32px;cursor:pointer}.pr-g-avatar-trigger:focus-visible{outline:2px solid var(--palette-accent);outline-offset:2px}.pr-g-page-nav-button[aria-disabled='true']{opacity:.5;pointer-events:none}.pr-g-page-nav-button,.pr-g-page-number-button{text-decoration:none}.pr-g-page-nav-button:lang(ja),.pr-g-page-number-button:lang(ja){letter-spacing:0.09rem}}