@charset "UTF-8";
:root {
  --cols: 4;
  --gutter: 16px;
  --pad: 16px;
  --wrap-max: 720px;

  --paper:   #FFFFFF;

  --page:     #FCFBF9;
  --bg-field: #E9E5E1;
  --ink:     #121212;
  --ink-2:   #414141;
  --ink-3:   #666666;
  --field:   #F2F2F0;
  --field-on:#E8E8E5;

  --field-soft: #F7F7F5;

  --rule:      #E4E4E1;

  --req:       #A33B35;
  --rule-hair: #EFEFEC;
  --accent:  var(--ink);

  --f-min: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, serif;
  --f-got: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --f: var(--f-min);

  --t-stmt: 1.875rem; --t-h1: 1.625rem; --t-h2: 1.25rem; --t-h3: 1.0625rem;
  --t-lead: 1.0625rem; --t-body: 1.0625rem; --t-sm: .875rem; --t-xs: .8125rem;

  --gap-para: 1.4rem; --gap-head: .9rem; --gap-item: 1.5rem;
  --gap-block: 3.5rem; --gap-sec: 5rem;
}

html.tone-cool {
  --page:     #F9FBFC;
  --bg-field: #E2E6EA;
}

@media (min-width: 1100px) {
  :root:not(.vp-m) {
    --cols: 12; --gutter: 32px; --wrap-max: 1272px;
    --t-stmt: 2.875rem; --t-h1: 2.125rem; --t-h2: 1.5rem; --t-h3: 1.125rem;
    --t-lead: 1.125rem; --t-body: 1.0625rem;
    --gap-block: 4.5rem; --gap-sec: 7rem;

    --gap-item: 1rem;
  }

  html:not(.vp-m) .ft { padding-top: 10rem; }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--page); color: var(--ink-2);
  font-family: var(--f); font-size: var(--t-body); font-weight: 400;
  line-height: 1.6; letter-spacing: .02em;
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { margin: 0; color: var(--ink); font-weight: 600; line-height: 1.5; font-feature-settings: "palt" 1; }
strong, b { font-weight: 600; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }

a { color: inherit; text-decoration: none; }
.prose a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .22em; }
a:hover { text-decoration: underline; text-underline-offset: .22em; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.wrap { width: 100%; max-width: var(--wrap-max); margin-inline: auto; padding-inline: var(--pad); }
.grid { display: grid; grid-template-columns: repeat(var(--cols), minmax(0, 1fr)); column-gap: var(--gutter); }
.grid > * { grid-column: 1 / -1; }

.item__title, .item__note,
.article-head__title, .article-head__lead,
.abstract, .def-table__key, .def-table__val,
.prose,
.rp .dl-main__title, .rp .dl-desc, .rp .dl-toc__list li, .rp .gate__spec { overflow-wrap: anywhere; }

.skip { position: absolute; left: -9999px; top: 0; }
.skip:focus { left: var(--pad); top: .5rem; background: var(--ink); color: var(--paper); padding: .4rem .8rem; }

.hd__en, .ft__en,
.item__date, .item__note,
.prose blockquote,
.act,
.ft { font-family: var(--f-got); }

.hd__name, .ft__name { font-family: var(--f-min); }

.hd { padding-top: 2rem; padding-bottom: var(--gap-block); }
.hd__brand { display: block; grid-column: 1 / span 3; }
.hd__name, .ft__name { display: block; font-size: 1rem; font-weight: 600; color: var(--ink); letter-spacing: .05em; line-height: 1.5; }
.hd__en, .ft__en { display: block; margin-top: .15rem; font-size: .6875rem; color: var(--ink-3); letter-spacing: .03em; line-height: 1.5; }

.nav__btn {
  grid-column: 4 / -1; justify-self: end; align-self: start;
  margin-top: .35rem;
  display: block; width: 24px; height: 24px; padding: 0;
  background: none; border: 0; cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.nav__bars, .nav__bars::before, .nav__bars::after {
  display: block; width: 20px; height: 1px; background: var(--ink);
  transition: transform .18s ease, opacity .18s ease;
}
.nav__bars { position: relative; margin: 0 auto; }
.nav__bars::before, .nav__bars::after { content: ""; position: absolute; left: 0; }
.nav__bars::before { top: -6px; }
.nav__bars::after  { top: 6px; }
.hd.is-open .nav__bars { background: transparent; }
.hd.is-open .nav__bars::before { transform: translateY(6px) rotate(45deg); }
.hd.is-open .nav__bars::after  { transform: translateY(-6px) rotate(-45deg); }

.nav { margin-top: 1.5rem; }
.hd:not(.is-open) .nav { display: none; }

.hd.is-open .nav__list { flex-direction: column; gap: .9rem; }
.nav__list { display: flex; flex-wrap: wrap; gap: .35rem 1.5rem; }
.nav__list a { font-size: var(--t-sm); font-weight: 600; color: var(--ink-3); }
.nav__list a:hover { color: var(--ink); }

.nav__list a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline; text-underline-offset: .22em;
}

.ft { padding-top: 7rem; padding-bottom: 4rem; font-size: var(--t-sm); color: var(--ink-3); }

.ft__logo { margin-bottom: 1.4rem; }
.ft__about { font-size: .75rem; }
.ft__meta { margin-top: .9rem; display: flex; flex-wrap: wrap; gap: .2rem 1.25rem; font-size: .75rem; }
.ft__set { margin-top: 3rem; display: flex; flex-direction: column; gap: .3rem; }
.ft__set a:hover { color: var(--ink); }
.ft__legal { margin-top: 4rem; font-size: var(--t-xs); line-height: 1.6; }

.stmt { font-size: var(--t-stmt); font-weight: 600; line-height: 1.4; letter-spacing: -.005em; color: var(--ink); }
.h1 { font-size: var(--t-h1); font-weight: 600; }
.lead { margin-top: 1.5rem; font-size: var(--t-lead); color: var(--ink-2); }

.sec { margin-top: var(--gap-sec); row-gap: var(--gap-head); }
.sec__t { font-size: var(--t-h2); font-weight: 600; }

.list { row-gap: var(--gap-item); }

.list:not(.list--cards) .item__title { line-height: 1.45; }
.item__meta { display: flex; flex-direction: column; gap: .1rem; }
.item__date { display: block; font-size: var(--t-xs); color: var(--ink-3); line-height: 1.6; }
.item__title { display: block; font-size: var(--t-h3); font-weight: 600; color: var(--ink); line-height: 1.65; }

.item > a:hover { text-decoration: none; }
.item > a:hover .item__title { text-decoration: underline; text-underline-offset: .2em; }
.item__note { display: block; margin-top: .4rem; font-size: var(--t-sm); color: var(--ink-3); }
.item__body { display: block; }

.pager { display: flex; justify-content: flex-start; gap: 8px; margin-top: var(--gap-sec); }
.pager__item {
  min-width: 40px; height: 40px; padding-inline: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--paper);
  border: 1px solid var(--rule); border-radius: 4px;
  font-family: var(--f-min); font-size: 13px; color: var(--ink-2);
}
.pager__item:hover { border-color: var(--ink); color: var(--ink); text-decoration: none; }
.pager__item[aria-current="page"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.pager__item.is-disabled { opacity: .4; pointer-events: none; }

.tag {
  display: inline-flex; align-items: center;
  height: 22px; padding-inline: 12px;
  border-radius: 4px;
  font-family: var(--f-got); font-size: 11px; font-weight: 600; letter-spacing: .08em;
  background: rgba(18, 18, 18, .05); color: var(--ink);
  white-space: nowrap; flex-shrink: 0;
}
.tag--soon { background: var(--field); color: var(--ink-3); }
.tag--article { background: var(--paper); color: var(--ink-2); box-shadow: inset 0 0 0 1px var(--rule); }
.tag--dl { background: var(--ink); color: var(--paper); }

.list--cards { row-gap: var(--gap-block); }

.item--card { grid-column: span 2; }

.item--card > a { display: flex; flex-direction: column; height: 100%; }
.cover {
  display: block;
  width: 100%;
  aspect-ratio: 1200 / 630;
  object-fit: cover;
}
.item--card .item__title { margin-top: 1rem; }
.item--card .item__note { margin-top: .5rem; }
.item--card .item__meta {
  margin-top: auto; padding-top: .9rem;
  flex-direction: row; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: .4rem 1.25rem;
}
.item--card .item__tags { display: flex; flex-direction: row; flex-wrap: wrap; gap: .35rem; }

.item--card .item__date { text-align: right; }

.prose { font-size: var(--t-body); color: var(--ink-2); }
.prose > * + * { margin-top: var(--gap-para); }
.prose h2 { margin-top: var(--gap-block); font-size: var(--t-h2); font-weight: 600; }
.prose h3 { margin-top: var(--gap-block); font-size: var(--t-h3); font-weight: 600; }

.prose > :first-child { margin-top: 0; }
.prose h2 + *, .prose h3 + * { margin-top: var(--gap-head); }
.prose strong { font-weight: 600; color: var(--ink); }
.prose ul > li + li, .prose ol > li + li { margin-top: .7rem; }
.prose ul > li { padding-left: 1.25em; text-indent: -1.25em; }
.prose ul > li::before { content: "—"; margin-right: .5em; color: var(--ink-3); }
.prose ol { counter-reset: n; }
.prose ol > li { counter-increment: n; padding-left: 2em; text-indent: -2em; }
.prose ol > li::before { content: counter(n) "."; display: inline-block; width: 2em; text-indent: 0; color: var(--ink-3); }
.prose blockquote { margin: 0; padding-left: 1.5rem; font-size: var(--t-sm); color: var(--ink-2); }
.prose blockquote > p + p { margin-top: 1rem; }

.acts { margin-top: var(--gap-block); display: flex; flex-wrap: wrap; gap: .6rem 2rem; }

.sec--flush > .acts { margin-top: var(--gap-para); }

.lead + .acts { margin-top: var(--gap-para); }
.act { font-size: var(--t-sm); font-weight: 400; color: var(--ink); }
.act:hover { text-decoration: underline; text-underline-offset: .25em; }

.sec:not(.sec--flush) > .acts .act { color: var(--ink-3); }
.sec:not(.sec--flush) > .acts .act:hover { color: var(--ink); }

.sec > .acts { margin-top: 1rem; margin-bottom: var(--gap-sec); }
.sec > .acts .act {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding-inline: 1.5rem;
  background: var(--paper);
  border: 1px solid var(--ink); color: var(--ink);
}
.sec > .acts .act:hover { background: var(--field); text-decoration: none; }

.form { display: grid; gap: 2.25rem; }

.mt-b { margin-top: var(--gap-block); }

@media (min-width: 1100px) {
  html:not(.vp-m) .hd__brand { grid-column: 1 / span 4; }

  html:not(.vp-m) .nav { grid-column: 6 / -1; margin-top: 0; }

  html:not(.vp-m) .nav__btn { display: none; }
  html:not(.vp-m) .hd .nav { display: block; }

  html:not(.vp-m) .nav__list { flex-direction: row; justify-content: flex-end; gap: .35rem 2rem; }

  html:not(.vp-m) .stmt, html:not(.vp-m) .h1 { grid-column: 1 / span 9; }

  html:not(.vp-m) .sec__t { grid-column: 1 / span 2; grid-row: 1; align-self: baseline; }

  html:not(.vp-m) .sec > .acts { margin-bottom: 0; }

  html:not(.vp-m) .sec > .acts .act {
    display: inline; min-height: 0; padding-inline: 0; border: 0;
    background: none;
  }

  html:not(.vp-m) .sec:not(.sec--flush) > .acts .act { color: var(--ink-3); }

  html:not(.vp-m) .sec:not(.sec--flush) > .acts {
    grid-column: 3 / span 7; grid-row: 1; align-self: baseline; margin-top: 0;
  }

  html:not(.vp-m) .sec--flush > .sec__t { grid-column: 1 / span 3; }

  html:not(.vp-m) .sec--flush > .prose { grid-column: 1 / span 7; }

  html:not(.vp-m) .sec--flush > .acts { grid-column: 1 / span 7; }

  html:not(.vp-m) .stmt + .lead { grid-column: 1 / span 7; }

  html:not(.vp-m) .h1 + .lead { grid-column: 1 / span 7; }

  html:not(.vp-m) .lead + .acts { grid-column: 1 / span 7; }

  html:not(.vp-m) .rp--narrow { grid-column: 1 / span 8; }

  html:not(.vp-m) .rp.related { grid-column: 1 / -1; }

  html:not(.vp-m) .form.form--flush { grid-column: 1 / span 7; }

  html:not(.vp-m) .lead, html:not(.vp-m) .prose, html:not(.vp-m) .acts, html:not(.vp-m) .form { grid-column: 3 / span 7; }

  html:not(.vp-m) .item__meta { grid-column: 1 / span 1; }

  html:not(.vp-m) .item__body { grid-column: 2 / span 8; }

  html:not(.vp-m) .item--card { grid-column: span 4; }

  html:not(.vp-m) .ft__logo { grid-column: 1 / span 5; grid-row: 1; }

  html:not(.vp-m) .ft__body { grid-column: 1 / span 5; grid-row: 2; }

  html:not(.vp-m) .ft__about { font-size: var(--t-sm); }

  html:not(.vp-m) .ft__meta { font-size: var(--t-xs); }

  html:not(.vp-m) .ft__nav1 { grid-column: 9 / span 2; grid-row: 2; }

  html:not(.vp-m) .ft__nav2 { grid-column: 11 / -1; grid-row: 2; }

  html:not(.vp-m) .ft__legal { grid-column: 1 / -1; grid-row: 3; margin-top: 2.5rem; }

  html:not(.vp-m) .ft__set { margin-top: 0; }
}

.bg { position: fixed; inset: 0; z-index: 0; display: block; width: 100%; height: 100%; pointer-events: none; }
.hd, main, .ft { position: relative; z-index: 1; }

.rp { grid-column: 1 / -1; }

.rp .abstract {
  margin-top: 40px; padding: 32px;
  background: var(--field);
  border: 1px solid var(--rule-hair); border-radius: 8px;
}
.rp .abstract__title,
.rp .toc__title {
  font-family: var(--f-got); font-size: 13px; color: var(--ink);
  letter-spacing: .12em; margin-bottom: 16px;
}
.rp .abstract > ul.prose { display: flex; flex-direction: column; gap: 12px; }
.rp .abstract > ul.prose > li { position: relative; padding-left: 20px; line-height: 1.8; }
.rp .abstract > ul.prose > li::before {
  content: ""; position: absolute; left: 0; top: .85em;
  width: 6px; height: 1px; background: var(--ink-3);
}
.rp .toc { padding: 24px; border: 1px solid var(--rule); border-radius: 8px; }
.rp .toc__list { counter-reset: t; display: flex; flex-direction: column; gap: 12px; margin-top: 0; }
.rp .toc__list li { counter-increment: t; font-size: 13px; color: var(--ink-2); }
.rp .toc__list a { color: var(--ink-2); }
.rp .toc__list a:hover { color: var(--ink); }
.rp .toc__list li::before {
  content: counter(t, decimal-leading-zero) ".";
  font-family: var(--f-min); color: var(--ink-3); margin-right: 12px;
}

.rp .page-head { padding-block: 64px 48px; }
.rp .page-head__ja {
  margin-top: 12px; font-size: clamp(24px, 3.4vw, 36px);
  color: var(--ink); letter-spacing: .03em; line-height: 1.4;
}
.rp .page-head__lead { margin-top: 20px; max-width: 42em; font-size: 15px; color: var(--ink-2); }

.rp .pillar-grid { display: grid; gap: 24px; grid-template-columns: repeat(3, 1fr); }
.rp .pillar {
  padding: 32px 24px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-top: 2px solid var(--ink);
  border-radius: 0;
}
.rp .pillar__no { font-family: var(--f-min); font-size: 13px; color: var(--ink-3); letter-spacing: .14em; }
.rp .pillar__title { margin-top: 12px; font-size: 17px; color: var(--ink); }
.rp .pillar__text { margin-top: 12px; font-size: 13px; color: var(--ink-2); }

.rp .person { display: grid; grid-template-columns: 200px 1fr; gap: 40px; align-items: start; }
.rp .person__photo {
  aspect-ratio: 1;
  border: 1px solid var(--rule); display: grid; place-items: center; overflow: hidden;
}
.rp .person__photo img { width: 100%; height: 100%; object-fit: cover; }
.rp .person__role { font-family: var(--f-got); font-size: 13px; color: var(--ink-3); letter-spacing: .1em; }
.rp .person__name { margin-top: 8px; font-size: 20px; color: var(--ink); font-weight: 600; }
.rp .person__name small { font-size: 13px; color: var(--ink-3); font-weight: 400; margin-left: 12px; }
.rp .person__bio { margin-top: 20px; font-size: 15px; color: var(--ink-2); line-height: 1.8; }

.rp .article-head { padding-block: 48px 32px; }
.rp .article-head__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  font-size: 11px; color: var(--ink-3); margin-bottom: 20px;
}
.rp .article-head__title {
  font-size: clamp(24px, 3.4vw, 36px);
  color: var(--ink); letter-spacing: .02em; line-height: 1.4;
}
.rp .article-head__lead { margin-top: 24px; font-size: 17px; color: var(--ink-2); }

.rp .prose { font-size: 16px; color: var(--ink-2); }
.rp .prose > * + * { margin-top: 24px; }
.rp .prose h2 {
  margin-top: 64px;
  font-size: 24px; color: var(--ink); letter-spacing: .03em;
}
.rp .prose h3 {
  margin-top: 48px;
  font-size: 20px; color: var(--ink);
}
.rp .prose p { line-height: 1.8; }
.rp .prose ul { display: flex; flex-direction: column; gap: 12px; }
.rp .prose ul > li {
  position: relative; padding-left: 20px; text-indent: 0;
  font-size: 15px; line-height: 1.8;
}
.rp .prose ul > li::before {
  content: ""; position: absolute; left: 0; top: .85em;
  width: 6px; height: 1px; margin: 0; background: var(--ink-3);
}
.rp .prose ol { counter-reset: n; display: flex; flex-direction: column; gap: 12px; }
.rp .prose ol > li {
  counter-increment: n; position: relative; padding-left: 32px; text-indent: 0;
  font-size: 15px; line-height: 1.8;
}
.rp .prose ol > li::before {
  content: counter(n, decimal-leading-zero);
  position: absolute; left: 0; top: 0; width: auto;
  font-family: var(--f-min); font-size: 13px; color: var(--ink-3);
}
.rp .prose blockquote {
  margin: 0; padding: 24px 32px;
  background: var(--field-soft);
  border-left: 2px solid rgba(18, 18, 18, .12);
  border-radius: 0 4px 4px 0;
  font-size: 15px; color: var(--ink-2);
}
.rp .prose strong { font-weight: 600; color: var(--ink); }
.rp .prose a:not(.btn) {
  color: var(--ink); text-decoration: underline;
  text-decoration-color: rgba(18, 18, 18, .3); text-underline-offset: 3px;
}
.rp .prose a:not(.btn):hover { text-decoration-color: currentColor; }

.rp .figure { margin: 0; }
.rp .figure__frame {
  aspect-ratio: 16 / 9;
  background: var(--paper);
  border: 1px solid var(--rule); border-radius: 8px;
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.rp .figure__frame::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(18, 18, 18, .04) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(to bottom, rgba(18, 18, 18, .04) 0 1px, transparent 1px 40px);
}
.rp .figure__frame span { position: relative; font-size: 13px; color: var(--ink-3); }
.rp .figure figcaption { margin-top: 12px; font-size: 11px; color: var(--ink-3); line-height: 1.7; }

.rp .table-scroll { overflow-x: auto; }
.rp .data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.rp .data-table caption { text-align: left; font-size: 11px; color: var(--ink-3); padding-bottom: 12px; }
.rp .data-table th, .rp .data-table td {
  padding: 12px 16px; border-bottom: 1px solid var(--rule-hair); text-align: left;
}
.rp .data-table thead th {
  background: var(--field); color: var(--ink); font-weight: 600;
  border-bottom: 1px solid var(--rule); white-space: nowrap;
}
.rp .data-table td.num, .rp .data-table th.num {
  text-align: right; font-family: var(--f-min); font-variant-numeric: tabular-nums;
}

.rp .method-box { padding: 24px; background: var(--paper); border: 1px solid var(--rule); border-radius: 8px; }
.rp .def-table { border-top: 1px solid var(--rule); }
.rp .def-table__row {
  display: grid; grid-template-columns: 200px 1fr; gap: 24px;
  padding-block: 20px; border-bottom: 1px solid var(--rule-hair);
}
.rp .def-table__row:last-child { border-bottom: 0; }
.rp .def-table__key { font-family: var(--f-got); font-size: 13px; color: var(--ink-3); letter-spacing: .08em; }
.rp .def-table__val { font-size: 15px; }

.rp .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding-inline: 32px;
  border-radius: 0;
  font-family: var(--f); font-size: 15px; font-weight: 600; letter-spacing: .56px;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.rp .btn--primary { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); }
.rp .btn--primary:hover { background: var(--ink-2); border-color: var(--ink-2); }
.rp .btn--ghost { background: var(--paper); color: var(--ink); border: 1px solid var(--ink); }
.rp .btn--ghost:hover { background: var(--field); }
.rp a.btn:hover { text-decoration: none; }

.rp.related { margin-top: 112px; }
.rp .sec-head {
  display: flex; align-items: baseline; gap: 16px;
  margin-bottom: 40px;
}
.rp .sec-head__ja { font-size: 24px; color: var(--ink); letter-spacing: .04em; }

.rp .dl-layout {
  display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(300px, 1fr);
  gap: 60px; align-items: start; margin-top: 32px;
}
.rp .dl-main__meta {
  display: flex; align-items: center; gap: 8px 12px; flex-wrap: wrap;
  font-size: 11px; color: var(--ink-3);
}
.rp .dl-main__title {
  margin-top: 20px; font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.4; letter-spacing: .02em; color: var(--ink);
}
.rp .dl-cover { margin: 32px 0 0; }

.rp .dl-cover__img {
  display: block; width: auto; height: auto;
  max-width: 100%; max-height: 520px;
  border: 1px solid var(--rule);
}
.rp .dl-cover figcaption { margin-top: 12px; font-size: 11px; color: var(--ink-3); }
.rp .dl-desc { margin-top: 32px; font-size: 15px; line-height: 1.8; color: var(--ink-2); }
.rp .dl-desc > * { margin: 0; }
.rp .dl-desc > * + * { margin-top: 24px; }
.rp .dl-toc { margin-top: 40px; }
.rp .dl-toc__title {
  font-family: var(--f-got); font-size: 13px; font-weight: 600; color: var(--ink);
  letter-spacing: .1em; padding-bottom: 12px; border-bottom: 1px solid var(--rule);
}
.rp .dl-toc__list { counter-reset: dt; margin-top: 16px; }
.rp .dl-toc__list li {
  counter-increment: dt; display: flex; gap: 12px; padding-block: 8px;
  font-size: 15px; color: var(--ink-2);
}
.rp .dl-toc__list li::before {
  content: counter(dt, decimal-leading-zero);
  font-family: var(--f-min); font-size: 11px; color: var(--ink-3);
  flex-shrink: 0; padding-top: 2px;
}

.rp .dl-side { position: relative; }

.rp .gate {
  padding: 32px; background: var(--paper);
  border: 1px solid var(--rule); border-radius: 8px;
}
.rp .gate__title {
  font-size: 20px; color: var(--ink);
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.rp .gate__note { margin-top: 16px; font-size: 13px; color: var(--ink-2); }
.rp .gate__spec {
  margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--rule-hair);
  display: flex; gap: 16px 32px; flex-wrap: wrap;
  font-family: var(--f-got); font-size: 11px; color: var(--ink-3); letter-spacing: .06em;
}
.rp .gate__spec b { color: var(--ink-2); font-weight: 600; }
.rp .gate .form { margin-top: 32px; }
.form iframe { display: block; width: 100%; border: 0; }
.rp .form { display: flex; flex-direction: column; gap: 32px; }

@media (max-width: 900px) {
  .rp .dl-layout { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  .rp .pillar-grid { grid-template-columns: 1fr; }
  .rp .person { grid-template-columns: 1fr; gap: 24px; }
  .rp .person__photo { width: 200px; }
  .rp .sec-head { flex-wrap: wrap; gap: 8px 16px; margin-bottom: 32px; }
  .rp .sec-head__ja { font-size: 20px; }
  .rp .def-table__row { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 560px) {
  .rp .gate { padding: 24px 20px; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
@media print { .nav, .skip, .bg { display: none; } }