.ace-day-foundation {
  --foundation-line: #c5d1dd;
  color: #001858;
  padding: 24px 0 0;
  margin: 30px 0 0;
  border-top: 1px solid var(--foundation-line);
}
.ace-day-foundation > h3 { margin: 0 0 22px; font-size: 24px; line-height: 1.65; }
.ace-day-foundation-sources {
  display: grid;
  grid-template-columns: minmax(0,1fr) 116px minmax(0,1fr);
  align-items: stretch;
  gap: 16px;
}
.ace-day-foundation-source {
  position: relative;
  min-width: 0;
  padding: 16px 18px 20px;
  border-block: 2px solid #a9bdcf;
  border-bottom-width: 1px;
}
.ace-day-foundation-source::after {
  position: absolute;
  bottom: -15px;
  left: 50%;
  height: 14px;
  border-left: 1px solid var(--foundation-line);
  content: '';
}
.ace-day-foundation-source h4 { margin: 0 0 14px; font-size: 24px; font-weight: 500; line-height: 1.65; }
.ace-day-foundation-source p,
.ace-day-foundation-core p { margin: 0; color: #40556c; font-size: 18px; line-height: 1.85; overflow-wrap: anywhere; }
.ace-foundation-art {
  position: relative;
  display: block;
  width: 100%;
  max-width: 260px;
  aspect-ratio: 1;
  margin: 0 auto 18px;
  overflow: hidden;
}
.ace-foundation-art > img {
  position: absolute;
  display: block;
  top: 0;
  left: calc(-100% * var(--ace-foundation-panel));
  width: 200%;
  max-width: none;
  height: 100%;
  object-fit: cover;
}
.ace-day-foundation-source .ace-foundation-theories { color: #294760; font-size: 18px; line-height: 1.9; }
.ace-day-foundation-source .ace-foundation-scale { margin: 0 0 8px; color: #183a5d; font-size: clamp(25px,2.6vw,32px); line-height: 1.55; }
.ace-foundation-scale strong { font-weight: 500; }
.ace-foundation-compare { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; min-width: 0; text-align: center; }
.ace-foundation-compare > span { color: #829bb2; font-size: 44px; line-height: 1; }
.ace-foundation-compare > strong { color: #40556c; font-size: 18px; font-weight: 500; line-height: 1.75; }
.ace-day-foundation-core {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  padding: 26px 18px 8px;
  margin-top: 14px;
  text-align: center;
}
.ace-day-foundation-core::before { position: absolute; top: 0; left: calc(25% - 37px); right: calc(25% - 37px); border-top: 1px solid var(--foundation-line); content: ''; }
.ace-day-foundation-core::after { position: absolute; top: 0; left: 50%; height: 16px; border-left: 1px solid var(--foundation-line); content: ''; }
.ace-day-foundation-core h4 { margin: 0; font-size: 28px; font-weight: 500; line-height: 1.65; }
.ace-day-foundation-core p { max-width: 48em; }
.ace-day-foundation-link { display: inline-block; margin: 8px 0 0; color: #001858; font-size: 18px; line-height: 1.85; text-underline-offset: 5px; }
.ace-day-foundation-link:focus-visible { outline: 3px solid #b9843f; outline-offset: 5px; }
@media (max-width: 680px) {
  .ace-day-foundation { margin-top: 22px; padding-top: 18px; }
  .ace-day-foundation > h3 { margin-bottom: 18px; font-size: 24px; }
  .ace-day-foundation-sources { grid-template-columns: minmax(0,1fr); gap: 14px; }
  .ace-day-foundation-source { padding: 15px 14px 18px; }
  .ace-day-foundation-source::after { display: none; }
  .ace-day-foundation-source h4 { font-size: 24px; }
  .ace-foundation-art { max-width: 230px; margin-bottom: 14px; }
  .ace-foundation-compare { flex-direction: row; gap: 14px; }
  .ace-foundation-compare > span { transform: rotate(90deg); font-size: 36px; }
  .ace-foundation-compare > strong { font-size: 18px; }
  .ace-day-foundation-core { padding: 24px 8px 6px; margin-top: 14px; }
  .ace-day-foundation-core::before { left: 50%; right: auto; height: 16px; border-top: 0; border-left: 1px solid var(--foundation-line); }
  .ace-day-foundation-core::after { display: none; }
  .ace-day-foundation-core h4 { font-size: 27px; }
}
@media print { .ace-day-foundation-sources, .ace-day-foundation-core { break-inside: avoid; } }

/* Duration, participants and a complete work cycle remain visible together. */
.ace-day-research-background {
  max-width: 65em;
  margin: 22px 0 12px;
  padding-top: 22px;
  border-top: 1px solid var(--foundation-line);
  scroll-margin-top: 24px;
}
.ace-day-research-background > h4 { margin: 0 0 18px; font-size: 23px; line-height: 1.65; color: #001858; }
.ace-day-research-background p { margin: 0; color: #4f6075; font-size: 17px; line-height: 1.85; overflow-wrap: anywhere; }
.ace-research-duration { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,1fr); gap: 24px; margin-bottom: 22px; }
.ace-research-duration > div { min-width: 0; padding: 18px 22px; background: #f1f5f8; border-top: 2px solid #9db3c7; }
.ace-research-duration p { margin-bottom: 12px; color: #334d68; font-size: 16px; }
.ace-duration-years { display: flex; align-items: center; gap: 20px; max-width: 350px; }
.ace-duration-years > div { display: flex; flex-direction: column; flex: none; }
.ace-duration-years > div > span { color: #4b6075; font-size: 16px; }
.ace-research-duration strong { display: block; color: #183a5d; font-size: 52px; font-weight: 500; line-height: 1.15; }
.ace-research-duration strong small { margin-left: 5px; font-size: 21px; font-weight: 400; }
.ace-duration-line { display: block; flex: 1; min-width: 22px; height: 1px; background: #98adbf; }
.ace-research-duration .ace-duration-long { display: grid; grid-template-columns: 110px minmax(0,1fr); align-content: center; align-items: center; column-gap: 18px; background: #faf7f1; border-color: #b9a17a; }
.ace-duration-long > p { grid-column: 1 / -1; }
.ace-duration-long > span { color: #4b6075; font-size: 17px; line-height: 1.8; }
.ace-research-observation { margin-bottom: 14px; }
.ace-research-observation h5 { margin: 0; color: #001858; font-size: 18px; line-height: 1.7; }
.ace-research-who { display: grid; grid-template-columns: 110px minmax(0,1fr); align-items: start; gap: 16px; margin-bottom: 24px; padding: 15px 20px; background: #f7f8fa; border-left: 2px solid #b1c2d0; }
.ace-research-who strong { color: #294760; font-weight: 600; }
.ace-research-what > h5 { margin-bottom: 16px; }
.ace-research-what ol { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; margin: 0; padding: 0; list-style: none; }
.ace-research-what li { position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; min-width: 0; text-align: center; }
.ace-research-what li + li::before { position: absolute; top: 38%; left: -27px; width: 22px; color: #8199af; font-size: 23px; line-height: 1; content: '→'; }
.ace-research-art { position: relative; display: block; width: 100%; max-width: 260px; aspect-ratio: 1; margin-bottom: 6px; overflow: hidden; }
.ace-research-art > img { position: absolute; display: block; top: 0; left: calc(-100% * var(--ace-research-panel)); width: 300%; max-width: none; height: 100%; object-fit: cover; }
.ace-research-what li > strong { font-size: 22px; font-weight: 500; line-height: 1.55; }
.ace-research-what li > small { color: #53677b; font-size: 16px; line-height: 1.75; }
.ace-research-loop { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 22px; padding-top: 14px; border-top: 1px solid #b8c8d6; }
.ace-research-loop > span { flex: none; color: #8199af; font-size: 34px; line-height: 1; }
.ace-research-loop strong { color: #294760; font-weight: 600; }
@media (max-width: 680px) {
  .ace-day-research-background > h4 { font-size: 22px; }
  .ace-research-duration { grid-template-columns: minmax(0,1fr); gap: 12px; }
  .ace-research-duration > div { padding: 17px 18px; }
  .ace-duration-years { max-width: none; justify-content: space-between; }
  .ace-research-duration strong { font-size: 47px; }
  .ace-research-duration .ace-duration-long { grid-template-columns: 100px minmax(0,1fr); gap: 8px 16px; }
  .ace-duration-long > p { margin-bottom: 3px; }
  .ace-research-who { grid-template-columns: minmax(0,1fr); gap: 7px; margin-bottom: 22px; padding: 14px 16px; }
  .ace-research-what ol { grid-template-columns: minmax(0,1fr); gap: 32px; }
  .ace-research-what li { display: grid; grid-template-columns: 100px minmax(0,1fr); grid-template-rows: auto auto; align-items: center; gap: 4px 16px; text-align: left; }
  .ace-research-art { grid-column: 1; grid-row: 1 / 3; width: 100px; margin: 0; }
  .ace-research-what li > strong { grid-column: 2; grid-row: 1; align-self: end; font-size: 21px; }
  .ace-research-what li > small { grid-column: 2; grid-row: 2; align-self: start; font-size: 16px; }
  .ace-research-what li + li::before { top: -25px; left: 39px; font-size: 21px; content: '↓'; }
  .ace-research-loop { align-items: flex-start; justify-content: flex-start; margin-top: 20px; gap: 10px; }
  .ace-research-loop > span { font-size: 30px; line-height: 1.2; }
  .ace-research-loop p { font-size: 16px; }
}
@media print { .ace-research-duration, .ace-research-observation { break-inside: avoid; } }

.ace-foundation-theories>span{display:inline-block;max-width:100%}
.ace-foundation-compare strong{white-space:nowrap;font-size:18px}
@media(min-width:681px){.ace-day-foundation-sources{grid-template-columns:minmax(0,1fr) 150px minmax(0,1fr)}}