/* Owner representation and project cooperation: scoped to these two pages. */
.cooperation-page {
  color: #132f42;
  background: #fff;
}

.cooperation-page .coop-main {
  overflow-wrap: break-word;
}

.cooperation-page .coop-main *,
.cooperation-page .coop-main *::before,
.cooperation-page .coop-main *::after {
  box-sizing: border-box;
}

.cooperation-page .coop-main [id] {
  scroll-margin-top: 112px;
}

.cooperation-page .coop-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(32px, 5vw, 80px);
  padding: 64px max(28px, calc((100vw - 1240px) / 2));
  color: #fff;
  background: linear-gradient(125deg, #102a3d 0%, #193f58 100%);
}

.cooperation-page .coop-hero__copy {
  min-width: 0;
}

.cooperation-page .coop-eyebrow,
.cooperation-page .coop-number {
  display: block;
  color: #8b612b;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: 0.04em;
}

.cooperation-page .coop-hero .coop-eyebrow,
.cooperation-page .coop-contact .coop-eyebrow {
  color: #e0ba80;
}

.cooperation-page .coop-hero h1 {
  margin: 18px 0 24px;
  max-width: 12em;
  color: #fff;
  font-family: "LongC Corporate Sans", "Microsoft YaHei", sans-serif;
  font-weight: 500;
  text-wrap: balance;
}

.cooperation-page .coop-hero p {
  margin: 0;
  color: #d9e5eb;
  font-size: 16px;
  line-height: 1.9;
}

.cooperation-page .coop-hero__photo {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(224, 186, 128, 0.5);
  border-radius: 16px;
  box-shadow: 0 20px 48px rgba(0, 14, 25, 0.2);
}

.cooperation-page .coop-hero__photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.cooperation-page .coop-hero__photo figcaption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  max-width: calc(100% - 32px);
  padding: 7px 12px;
  border-radius: 5px;
  color: #fff;
  background: rgba(16, 42, 61, 0.9);
  font-size: 14px;
  line-height: 1.6;
}

.cooperation-page .coop-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 28px;
}

.cooperation-page .coop-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid #e0ba80;
  border-radius: 6px;
  color: #102a3d;
  background: #e0ba80;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  text-align: center;
  text-decoration: none;
}

.cooperation-page .coop-button:hover {
  background: #edcb98;
  border-color: #edcb98;
}

.cooperation-page .coop-button--navy {
  color: #fff;
  background: #173b54;
  border-color: #173b54;
}

.cooperation-page .coop-button--navy:hover {
  background: #102a3d;
  border-color: #102a3d;
}

.cooperation-page .coop-button--outline {
  color: #fff;
  background: transparent;
  border-color: #9ab1c0;
}

.cooperation-page .coop-button--outline:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: #e0ba80;
}

.cooperation-page .coop-text-link {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.cooperation-page .coop-inline-link {
  color: #204d69;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.cooperation-page .coop-main a:focus-visible,
.cooperation-page .coop-main summary:focus-visible {
  outline: 3px solid #bb8745;
  outline-offset: 5px;
}

.cooperation-page .coop-section-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0;
  padding: 20px 24px;
  border-bottom: 1px solid #dde5e9;
  background: #f7f9fa;
}

.cooperation-page .coop-section-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: #173b54;
  font-size: 16px;
  text-decoration: none;
}

.cooperation-page .coop-section-nav a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.cooperation-page .coop-section,
.cooperation-page .coop-evidence {
  width: min(1240px, calc(100% - 56px));
  margin: 0 auto;
  padding: 64px 0;
}

.cooperation-page .coop-section + .coop-section {
  border-top: 1px solid #e1e7eb;
}

.cooperation-page .coop-section h2 {
  margin: 12px 0 20px;
  color: #132f42;
  font-weight: 500;
  text-wrap: balance;
}

.cooperation-page .coop-section p {
  color: #4d6472;
  font-size: 16px;
  line-height: 1.8;
}

.cooperation-page .coop-intro,
.cooperation-page .coop-preparation {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 48px;
}

.cooperation-page .coop-intro p {
  margin: 0 0 16px;
}

.cooperation-page .coop-heading {
  max-width: 830px;
  margin-bottom: 32px;
}

.cooperation-page .coop-heading p {
  margin: 0;
}

.cooperation-page .coop-service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.cooperation-page .coop-service {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid #d9e2e8;
  border-top: 3px solid #b68a4d;
  border-radius: 10px;
  background: #fbfcfd;
}

.cooperation-page .coop-service h3,
.cooperation-page .coop-project h3 {
  margin: 12px 0 16px;
  color: #173b54;
  font-weight: 600;
}

.cooperation-page .coop-service > p {
  margin: 0 0 18px;
}

.cooperation-page .coop-service ul {
  margin: 0 0 22px;
  padding-left: 1.3em;
  color: #324f60;
  list-style: disc;
}

.cooperation-page .coop-service li + li {
  margin-top: 10px;
}

.cooperation-page .coop-service .coop-delivery {
  width: 100%;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid #d9e2e8;
}

.cooperation-page .coop-delivery strong {
  display: block;
  margin-bottom: 6px;
  color: #173b54;
  font-size: 16px;
}

.cooperation-page .coop-process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cooperation-page .coop-process li {
  min-width: 0;
  padding-top: 20px;
  border-top: 2px solid #cdb184;
}

.cooperation-page .coop-process li > span {
  display: block;
  color: #8b612b;
  font-size: 16px;
  font-weight: 600;
}

.cooperation-page .coop-process h3 {
  margin: 12px 0;
  color: #173b54;
}

.cooperation-page .coop-process p {
  margin: 0;
}

.cooperation-page .coop-note {
  margin: 28px 0 0;
  color: #546977;
  font-size: 16px;
}

.cooperation-page .coop-project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.cooperation-page .coop-project {
  min-width: 0;
  padding: 28px;
  border: 1px solid #dce5ea;
  border-radius: 8px;
  background: #f7f9fa;
}

.cooperation-page .coop-project p {
  margin: 0 0 20px;
}

.cooperation-page .coop-evidence {
  padding: 0;
}

.cooperation-page .coop-evidence > section {
  padding: 64px 0;
  border-top: 1px solid #e1e7eb;
}

.cooperation-page .coop-evidence .container {
  width: 100%;
  max-width: none;
  padding: 0;
}

.cooperation-page .coop-evidence .section-header {
  text-align: left;
}

.cooperation-page .coop-evidence .section-header p {
  margin-left: 0;
}

.cooperation-page .coop-preparation dl {
  margin: 0;
}

.cooperation-page .coop-preparation dl > div {
  padding: 18px 0;
  border-bottom: 1px solid #dde5e9;
}

.cooperation-page .coop-preparation dl > div:first-child {
  padding-top: 0;
}

.cooperation-page .coop-preparation dt {
  margin-bottom: 6px;
  color: #173b54;
  font-size: 16px;
  font-weight: 600;
}

.cooperation-page .coop-preparation dd {
  margin: 0;
  color: #4d6472;
}

.cooperation-page .coop-owner-faq details,
.cooperation-page .coop-history-note {
  margin-top: 16px;
  padding: 20px 24px;
  border: 1px solid #dde5e9;
  border-radius: 6px;
  background: #f8fafb;
}

.cooperation-page .coop-main summary {
  color: #173b54;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.8;
  cursor: pointer;
}

.cooperation-page .coop-main details p {
  margin: 14px 0 0;
  color: #4d6472;
}

.cooperation-page .coop-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
  width: 100%;
  padding: 58px max(28px, calc((100vw - 1240px) / 2));
  background: #102a3d;
}

.cooperation-page .coop-contact h2,
.cooperation-page .coop-contact p a {
  color: #fff;
}

.cooperation-page .coop-contact p {
  max-width: 46em;
  margin: 0;
  color: #d9e5eb;
}

.cooperation-page .coop-contact .coop-actions {
  display: grid;
  margin: 0;
}

.cooperation-page .coop-example {
  padding: 34px;
  border: 1px solid #d7c49f;
  border-radius: 16px;
  background: #fcfaf5;
}

.cooperation-page .coop-example-label {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 6px 10px;
  border-radius: 5px;
  background: #704c16;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.cooperation-page .coop-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.cooperation-page .coop-example-grid article {
  padding: 20px;
  border: 1px solid #ded5c2;
  border-radius: 10px;
  background: #fff;
}

.cooperation-page .coop-example-grid h3,
.cooperation-page .coop-template h3 { margin: 0 0 10px; }
.cooperation-page .coop-example-grid p { margin: 0; }
.cooperation-page .coop-template { margin-top: 20px; padding: 22px; border-radius: 10px; background: #f0ede5; }
.cooperation-page .coop-template-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; margin: 0; padding: 0; list-style: none; }
.cooperation-page .coop-template-list li { position: relative; padding-left: 24px; }
.cooperation-page .coop-template-list li::before { content: "□"; position: absolute; left: 0; color: #8b652e; }
.cooperation-page .coop-crosslinks { margin: 20px 0 0; }

@media (max-width: 980px) {
  .cooperation-page .coop-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .cooperation-page .coop-hero__photo {
    max-width: 680px;
  }

  .cooperation-page .coop-hero__photo img {
    aspect-ratio: 16 / 9;
  }

  .cooperation-page .coop-intro,
  .cooperation-page .coop-preparation,
  .cooperation-page .coop-contact {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .cooperation-page .coop-process,
  .cooperation-page .coop-project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cooperation-page .coop-contact .coop-actions {
    display: flex;
  }
}

@media (max-width: 680px) {
  .cooperation-page .coop-hero {
    padding: 44px 20px;
  }

  .cooperation-page .coop-section,
  .cooperation-page .coop-evidence {
    width: calc(100% - 40px);
    padding: 42px 0;
  }

  .cooperation-page .coop-section-nav {
    justify-content: flex-start;
    gap: 4px 20px;
    padding: 14px 20px;
  }

  .cooperation-page .coop-service-grid,
  .cooperation-page .coop-project-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .cooperation-page .coop-process {
    gap: 22px 18px;
  }

  .cooperation-page .coop-process h3 {
    overflow-wrap: anywhere;
  }

  .cooperation-page .coop-evidence {
    padding: 0;
  }

  .cooperation-page .coop-evidence > section {
    padding: 42px 0;
  }

  .cooperation-page .coop-contact {
    width: 100%;
    padding: 42px 20px;
  }

  .cooperation-page .coop-owner-faq details,
  .cooperation-page .coop-history-note {
    padding: 18px;
  }

  .cooperation-page .coop-example { padding: 22px; }
  .cooperation-page .coop-example-grid,
  .cooperation-page .coop-template-list { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 400px) {
  .cooperation-page .coop-process {
    grid-template-columns: minmax(0, 1fr);
  }
}