/* Document creation → collaboration → reuse → the next document. */
.homepage-concept { padding-block: 48px; }
.concept-heading { margin-bottom: 28px; text-align: center; }
.concept-heading h2 { font-size: 44px; line-height: 1.5; letter-spacing: -.035em; }
.concept-heading h2 span { color: var(--green); }

.concept-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1fr) 40px minmax(0, 1fr);
  column-gap: 16px;
  max-width: 1200px;
  margin-inline: auto;
}
.concept-pillar { min-width: 0; text-align: center; }
.concept-visual { width: 280px; max-width: 100%; margin-inline: auto; }
.concept-visual img { width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; }
.concept-copy { margin-top: 12px; }
.concept-copy h3 {
  display: grid;
  align-content: center;
  min-height: 3em;
  font-size: 26px;
  line-height: 1.5;
  letter-spacing: -.025em;
  text-wrap: balance;
}
.concept-description {
  margin-top: 10px;
  font-size: 17px;
  line-height: 1.85;
  color: #4c665a;
  text-wrap: pretty;
}
.concept-description br { display: none; }
.concept-forward { align-self: start; margin-top: 120px; }
.concept-forward svg { display: block; width: 40px; height: 40px; }
.concept-forward path,
.concept-loop path {
  stroke: #6d9a81;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.concept-loop { grid-column: 1 / -1; margin: 28px 12% 0; text-align: center; }
.concept-loop-line { display: block; width: 100%; height: 50px; }
.concept-loop-icon { display: none; }
.concept-feedback { color: #4c665a; font-size: 17px; line-height: 1.8; text-wrap: pretty; }
.concept-feedback strong { color: var(--deep); font-weight: 550; }

@media (min-width: 901px) and (max-width: 1199px) {
  .concept-heading h2 { font-size: 36px; }
  .concept-flow { column-gap: 10px; grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr); }
  .concept-visual { width: 240px; }
  .concept-forward { margin-top: 100px; }
  .concept-forward svg { width: 28px; }
  .concept-copy h3 { font-size: 22px; }
  .concept-description, .concept-feedback { font-size: 16px; }
}

@media (max-width: 900px) {
  .concept-heading { margin-bottom: 24px; }
  .concept-heading h2 { font-size: 32px; }
  .concept-flow { display: flex; flex-direction: column; align-items: center; }
  .concept-pillar { width: 100%; max-width: 540px; }
  .concept-visual { width: 240px; }
  .concept-copy { margin-top: 10px; }
  .concept-copy h3 { min-height: 0; font-size: 24px; }
  .concept-description { margin: 8px auto 0; max-width: 28em; font-size: 16px; }
  .concept-forward { align-self: center; margin: 20px 0 8px; }
  .concept-forward svg { transform: rotate(90deg); }
  .concept-loop { margin: 28px 0 0; max-width: 28em; }
  .concept-loop-line { display: none; }
  .concept-loop-icon { display: block; width: 28px; height: 28px; margin: 0 auto 8px; }
  .concept-feedback { font-size: 15px; }
}

@media (max-width: 700px) {
  .concept-heading h2 { font-size: 28px; line-height: 1.6; }
  .concept-heading h2 span { display: block; }
  .concept-description { font-size: 15px; line-height: 1.9; }
}