/* 交流活动：企业现场、专题研讨与会员座谈。仅本页加载。 */
.act-hero { background: #f6f5f1; border-bottom: 1px solid #e1e0d9; }
.act-hero-layout { display: grid; grid-template-columns: .93fr 1.07fr; align-items: center; gap: clamp(32px, 4.3vw, 64px); padding-block: 56px 50px; }
.act-hero-copy { min-width: 0; padding-block: 8px; }
.act-hero .eyebrow { margin-bottom: 12px; color: #91713c; font-size: 11px; letter-spacing: .16em; }
.act-hero h1 { font-size: clamp(42px, 4.5vw, 64px); letter-spacing: .04em; }
.act-hero-statement { margin-top: 23px; color: #8c6931; font: 500 clamp(26px, 2.6vw, 36px)/1.55 var(--serif); }
.act-hero-intro { margin-top: 23px; color: #5d6c78; font-size: 15px; line-height: 1.95; }
.act-hero-copy .text-link { margin-top: 26px; font-size: 16px; }
.act-hero-visual { position: relative; min-width: 0; }
.act-hero-visual::before { content: ""; position: absolute; top: -13px; right: -13px; width: 54%; height: 60%; border-top: 1px solid #b99b68; border-right: 1px solid #b99b68; pointer-events: none; }
.act-hero-visual > img { width: 100%; height: 390px; object-fit: cover; }
.act-hero-visual figcaption { position: absolute; inset: auto 0 0; display: flex; align-items: center; justify-content: center; gap: 22px; min-height: 66px; padding: 17px 22px; background: linear-gradient(0deg, #0d263aeb, #0d263ac9); color: #fff; font: 17px/1.5 var(--serif); letter-spacing: .1em; }
.act-hero-visual figcaption i { width: 30px; height: 1px; background: #c7ab79; }
.act-scene-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid #d8d7d0; }
.act-scene-nav a { display: flex; align-items: center; gap: 22px; padding: 27px 30px; border-right: 1px solid #d8d7d0; }
.act-scene-nav a:first-child { padding-left: 0; }
.act-scene-nav a:last-child { padding-right: 0; border-right: 0; }
.act-nav-number { color: #a48148; font: 23px/1.4 Georgia, serif; }
.act-scene-nav strong { display: block; color: var(--navy); font: 700 23px/1.45 var(--serif); }
.act-scene-nav small { display: block; margin-top: 5px; color: #667582; font-size: 12px; letter-spacing: .04em; }
.act-scene-nav .ui-icon { margin-left: auto; width: 18px; height: 18px; opacity: .65; }
.act-scene-nav a:hover strong { color: var(--gold-dark); }

.act-scene { padding-block: clamp(58px, 6.2vw, 88px); scroll-margin-top: 10px; }
.act-section-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-bottom: 21px; margin-bottom: 36px; border-bottom: 1px solid #d8dfe1; }
.act-section-top > p { display: flex; align-items: baseline; gap: 18px; color: #3b5161; font: 18px/1.6 var(--serif); letter-spacing: .08em; }
.act-section-top > p > span { color: #a48249; font: 23px/1.4 Georgia, serif; letter-spacing: 0; }
.act-section-en { color: #82909a; font: 10px/1.6 Georgia, serif; letter-spacing: .16em; }
.act-factory-layout { display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: clamp(34px, 4.3vw, 64px); }
.act-scene-copy { min-width: 0; }
.act-kicker { margin-bottom: 14px; color: #92703e; font-size: 12px; letter-spacing: .16em; }
.act-scene-copy h2 { font-size: clamp(30px, 3.25vw, 44px); line-height: 1.45; letter-spacing: .02em; }
.act-description { margin-top: 23px; color: #60707a; font-size: 15px; line-height: 1.95; }
.act-photo { min-width: 0; }
.act-photo > img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.act-photo figcaption { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; color: #697883; font-size: 12px; letter-spacing: .04em; }
.act-photo figcaption span:last-child { color: #9b8259; }
.act-focus-list { margin: 24px 0 0; }
.act-focus-list > div { display: grid; grid-template-columns: 72px minmax(0, 1fr); align-items: baseline; gap: 14px; padding-block: 13px; border-top: 1px solid #e0e5e6; }
.act-focus-list dt { color: #243d51; font: 700 16px/1.7 var(--serif); }
.act-focus-list dd { margin: 0; color: #667681; font-size: 13px; line-height: 1.8; }
.act-scene-copy > .text-link { margin-top: 24px; font-size: 16px; }

.act-seminar { color: #fff; background: #102d42; }
.act-seminar .act-section-top { border-bottom-color: #ffffff24; }
.act-seminar .act-section-top > p { color: #d8e3e7; }
.act-seminar .act-section-top > p > span, .act-seminar .act-section-en { color: #baa476; }
.act-seminar-layout { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: clamp(34px, 4.3vw, 64px); }
.act-seminar .act-kicker { color: #c5ac7b; }
.act-seminar .act-description { color: #becdd5; }
.act-seminar .text-link { color: #e7d2ab; border-color: #9c8763; }
.act-seminar .text-link:hover { color: #fff; }
.act-seminar .text-link .ui-icon { filter: invert(80%) sepia(24%) saturate(390%) hue-rotate(356deg) brightness(104%); }
.act-discussion-topics { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.act-discussion-topics span { padding: 5px 12px; color: #d0dce1; border: 1px solid #ffffff30; font-size: 12px; }
.act-seminar-photo figcaption { color: #b8cbd5; }
.act-seminar-photo figcaption span:last-child { color: #c4ad81; }
.act-seminar-format { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px; margin-top: 44px; padding-top: 27px; border-top: 1px solid #ffffff24; }
.act-seminar-format > div { display: grid; grid-template-columns: 27px 1fr; align-items: baseline; gap: 10px 13px; }
.act-seminar-format > div > span { grid-column: 1; color: #c9b181; font: 19px/1.5 Georgia, serif; }
.act-seminar-format h3 { grid-column: 2; font-size: 21px; font-weight: 500; }
.act-seminar-format p { grid-column: 2; color: #b7c9d3; font-size: 13px; line-height: 1.8; }

.act-roundtable { padding-bottom: 28px; background: #f7f6f1; }
.act-roundtable .act-section-top { border-bottom-color: #dfdfd5; }
.act-roundtable-layout { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: clamp(34px, 5vw, 74px); }
.act-roundtable-notes { margin-top: 26px; padding: 21px 0 0; border-top: 1px solid #dcded7; }
.act-roundtable-notes h3 { color: #8c6e3f; font-size: 17px; font-weight: 500; }
.act-roundtable-notes ol { display: grid; gap: 10px; margin: 15px 0 0; padding: 0; list-style: none; counter-reset: question; }
.act-roundtable-notes li { display: flex; gap: 14px; align-items: baseline; color: #516473; font-size: 14px; line-height: 1.8; counter-increment: question; }
.act-roundtable-notes li::before { content: "0" counter(question); color: #a48b61; font: 12px/1.8 Georgia, serif; }

.act-participation { padding-block: clamp(58px, 6.2vw, 88px); }
.act-participation-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.act-participation-heading .eyebrow { color: #967644; font-size: 11px; }
.act-participation-heading h2 { font-size: clamp(29px, 2.8vw, 39px); line-height: 1.5; }
.act-participation-heading > p { max-width: 29em; color: #697985; font-size: 14px; line-height: 1.95; }
.act-participation-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 35px; margin: 36px 0 0; padding: 0; list-style: none; }
.act-participation-steps > li { display: flex; align-items: baseline; gap: 18px; padding-top: 25px; border-top: 1px solid #c5ac7e; }
.act-step-number { flex: 0 0 auto; color: #a28350; font: 22px/1.6 Georgia, serif; }
.act-participation-steps h3 { font-size: 22px; }
.act-participation-steps p { margin-top: 13px; color: #697985; font-size: 14px; line-height: 1.9; }
.act-preparation { margin-top: 38px; padding: 0 25px; border: 1px solid #e1e5e6; background: #fbfbf9; }
.act-preparation summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 70px; padding-block: 17px; list-style: none; cursor: pointer; color: #3f5667; font: 18px/1.7 var(--serif); }
.act-preparation summary::-webkit-details-marker { display: none; }
.act-preparation summary:focus-visible { outline: 2px solid #a7874e; outline-offset: 4px; }
.act-details-mark { position: relative; flex: 0 0 18px; width: 18px; height: 18px; }
.act-details-mark::before, .act-details-mark::after { content: ""; position: absolute; top: 8px; left: 2px; width: 14px; height: 1px; background: #8b744c; }
.act-details-mark::after { transform: rotate(90deg); }
.act-preparation[open] .act-details-mark::after { transform: rotate(0); }
.act-preparation > div { display: grid; gap: 12px; padding-block: 22px 25px; border-top: 1px solid #e1e5e6; }
.act-preparation p { color: #667783; font-size: 14px; line-height: 1.9; }
.act-preparation strong { margin-right: 20px; color: #314e64; font-weight: 500; }
.act-invitation { padding-block: 49px; background: #eef3f5; border-top: 1px solid #dce5e8; }
.act-invitation > .container { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.act-invitation .eyebrow { color: #967644; font-family: var(--serif); font-size: 13px; letter-spacing: .12em; }
.act-invitation h2 { font-size: clamp(28px, 3vw, 40px); }
.act-invitation p:not(.eyebrow) { margin-top: 16px; color: #6a7b88; font-size: 15px; }
.act-invitation .button { flex: 0 0 auto; }

@media (max-width: 1100px) {
  .act-hero-layout { gap: 34px; padding-block: 43px 40px; }
  .act-hero-visual > img { height: 368px; }
  .act-hero-intro { font-size: 14px; }
  .act-desktop-break { display: none; }
  .act-scene-nav a { gap: 16px; padding: 24px; }
  .act-scene-nav strong { font-size: 21px; }
  .act-scene-nav small { font-size: 11px; }
  .act-factory-layout, .act-seminar-layout, .act-roundtable-layout { gap: 34px; }
  .act-description { margin-top: 18px; font-size: 14px; }
  .act-focus-list { margin-top: 20px; }
  .act-focus-list > div { grid-template-columns: 66px minmax(0, 1fr); gap: 10px; padding-block: 11px; }
  .act-focus-list dt { font-size: 15px; }
  .act-focus-list dd { font-size: 12px; }
  .act-seminar-format { gap: 24px; }
  .act-participation-heading > p { max-width: 25em; }
  .act-participation-steps { gap: 24px; }
}
@media (max-width: 800px) {
  .act-factory-layout, .act-roundtable-layout { grid-template-columns: 1fr; gap: 30px; }
  .act-seminar-layout { grid-template-columns: 1fr; gap: 30px; }
  .act-seminar-photo { grid-row: 1; }
  .act-scene-copy h2 { font-size: 35px; }
  .act-scene-copy h2 > br { display: none; }
  .act-description { max-width: 45em; margin-top: 20px; font-size: 15px; }
  .act-focus-list > div { grid-template-columns: 88px minmax(0, 1fr); gap: 18px; padding-block: 14px; }
  .act-focus-list dt { font-size: 17px; }
  .act-focus-list dd { font-size: 14px; }
  .act-photo > img { aspect-ratio: 3 / 2; }
  .act-photo figcaption { padding-top: 12px; }
  .act-seminar-format { margin-top: 34px; }
  .act-seminar-format h3 { font-size: 20px; }
  .act-seminar-format > div { grid-template-columns: 20px 1fr; gap: 8px; }
  .act-participation-heading { align-items: flex-start; flex-direction: column; gap: 20px; }
  .act-participation-heading > p { max-width: 40em; }
  .act-participation-heading > p > br { display: none; }
  .act-participation-steps { gap: 20px; }
  .act-participation-steps > li { display: block; }
  .act-participation-steps h3 { margin-top: 9px; font-size: 20px; }
  .act-participation-steps p { font-size: 13px; }
  .act-invitation > .container { align-items: flex-start; flex-direction: column; gap: 26px; }
}
@media (max-width: 700px) {
  .act-hero-layout { grid-template-columns: 1fr; gap: 31px; padding-block: 38px 0; }
  .act-hero h1 { font-size: 43px; }
  .act-hero-statement { margin-top: 16px; font-size: 29px; }
  .act-hero-intro { max-width: 36em; margin-top: 19px; font-size: 14px; }
  .act-hero-copy .text-link { margin-top: 22px; font-size: 15px; }
  .act-hero-visual::before { top: -8px; right: -8px; }
  .act-hero-visual > img { height: auto; aspect-ratio: 16 / 9; }
  .act-hero-visual figcaption { min-height: 49px; padding: 12px 16px; gap: 20px; font-size: 14px; }
  .act-scene-nav { margin-top: 30px; }
  .act-scene-nav a { align-items: flex-start; flex-direction: column; gap: 8px; padding: 20px 15px 22px; }
  .act-scene-nav strong { font-size: 20px; }
  .act-scene-nav small { margin-top: 7px; font-size: 10px; }
  .act-nav-number { font-size: 16px; }
  .act-scene-nav .ui-icon { display: none; }
  .act-section-top { margin-bottom: 26px; padding-bottom: 17px; }
  .act-section-top > p { gap: 13px; font-size: 17px; }
  .act-section-top > p > span { font-size: 20px; }
  .act-section-en { font-size: 8px; letter-spacing: .12em; }
  .act-seminar-format { grid-template-columns: 1fr; gap: 20px; padding-top: 26px; }
  .act-seminar-format > div { grid-template-columns: 26px 90px minmax(0, 1fr); gap: 12px; }
  .act-seminar-format h3 { font-size: 19px; }
  .act-seminar-format p { grid-column: 3; font-size: 12px; }
}
@media (max-width: 600px) {
  .act-hero .container, .act-scene .container, .act-participation .container, .act-invitation .container { width: 88%; }
  .act-hero-layout { padding-top: 31px; }
  .act-hero .eyebrow { font-size: 9px; letter-spacing: .14em; }
  .act-hero h1 { font-size: 39px; }
  .act-hero-statement { font-size: 26px; line-height: 1.55; }
  .act-hero-intro { font-size: 13px; line-height: 1.95; }
  .act-hero-visual { margin-inline: -6.818182%; }
  .act-hero-visual::before { display: none; }
  .act-hero-visual figcaption { font-size: 13px; }
  .act-scene-nav { margin-top: 0; border-top: 0; }
  .act-scene-nav a { padding-inline: 13px; gap: 7px; }
  .act-scene-nav strong { font-size: 18px; }
  .act-scene-nav small { font-size: 10px; line-height: 1.7; letter-spacing: 0; }
  .act-scene { padding-block: 43px; }
  .act-scene-copy h2 { font-size: 29px; line-height: 1.5; }
  .act-scene-copy h2 > br { display: block; }
  .act-kicker { margin-bottom: 10px; font-size: 11px; }
  .act-description { margin-top: 17px; font-size: 14px; }
  .act-factory-layout, .act-seminar-layout, .act-roundtable-layout { gap: 27px; }
  .act-photo figcaption { font-size: 10px; gap: 10px; }
  .act-focus-list > div { grid-template-columns: 70px minmax(0, 1fr); gap: 14px; padding-block: 13px; }
  .act-focus-list dt { font-size: 16px; }
  .act-focus-list dd { font-size: 13px; }
  .act-scene-copy > .text-link { margin-top: 20px; font-size: 15px; }
  .act-discussion-topics { margin-top: 22px; gap: 8px; }
  .act-discussion-topics span { font-size: 11px; padding: 5px 10px; }
  .act-seminar-format > div { grid-template-columns: 20px 78px minmax(0, 1fr); gap: 10px; }
  .act-seminar-format h3 { font-size: 17px; }
  .act-seminar-format > div > span { font-size: 15px; }
  .act-seminar-format p { font-size: 12px; line-height: 1.8; }
  .act-roundtable-notes { margin-top: 23px; }
  .act-roundtable-notes h3 { font-size: 16px; }
  .act-roundtable-notes li { font-size: 13px; }
  .act-roundtable { padding-bottom: 23px; }
  .act-participation { padding-block: 45px; }
  .act-participation-heading { gap: 18px; }
  .act-participation-heading .eyebrow { font-size: 9px; }
  .act-participation-heading h2 { font-size: 28px; }
  .act-participation-heading > p { font-size: 13px; }
  .act-participation-steps { grid-template-columns: 1fr; gap: 0; margin-top: 27px; }
  .act-participation-steps > li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 17px; padding-block: 22px; border-color: #d7ddd9; }
  .act-participation-steps h3 { margin-top: 0; font-size: 20px; }
  .act-participation-steps p { margin-top: 9px; font-size: 13px; }
  .act-step-number { font-size: 18px; }
  .act-preparation { margin-top: 5px; padding-inline: 17px; }
  .act-preparation summary { min-height: 65px; gap: 16px; font-size: 16px; }
  .act-preparation > div { gap: 16px; padding-block: 18px 21px; }
  .act-preparation p { font-size: 13px; }
  .act-preparation strong { display: block; margin: 0 0 4px; }
  .act-invitation { padding-block: 35px; }
  .act-invitation .eyebrow { font-size: 11px; }
  .act-invitation h2 { font-size: 27px; }
  .act-invitation p:not(.eyebrow) { margin-top: 13px; font-size: 13px; }
  .act-invitation .button { font-size: 16px; padding-inline: 24px; }
}
@media (max-width: 360px) {
  .act-scene-nav a { padding-inline: 10px; }
  .act-scene-nav strong { font-size: 17px; }
  .act-scene-nav small { font-size: 9px; }
  .act-section-en { font-size: 7px; letter-spacing: .08em; }
  .act-scene-copy h2 { font-size: 27px; }
  .act-seminar-format > div { grid-template-columns: 19px minmax(0, 1fr); gap: 5px 10px; }
  .act-seminar-format p { grid-column: 2; }
  .act-preparation summary { font-size: 15px; }
  .act-invitation h2 { font-size: 25px; }
}