html,
body {
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;
  overflow-x: hidden;
  font-family: "Roboto", "Noto Sans JP", sans-serif;
}

.bg-skyblue {
  background-color: #0cc0df;
}

.text-skyblue {
  color: #0cc0df;
}

.border-skyblue {
  border-color: #0cc0df;
}

.bg-oceanblue {
  background-color: #00adcc;
}

.text-oceanblue {
  color: #00adcc;
}

.title {
  font-size: 36px;
}

@media (min-width: 640px) {
  .title {
    font-size: 40px;
  }
}

@media (min-width: 1280px) {
  .title {
    font-size: 46px !important;
  }
}

.timeline {
  display: table;
  border-top: 1px solid #d1d5db;
  border-collapse: collapse;
  line-height: 1.5em;
  width: auto; /* Shrink to the longest content */
}

.timeline .row {
  display: table-row;
}

.timeline dt,
.timeline dd {
  display: table-cell;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid #d1d5db;
  vertical-align: top;
}

.timeline dt {
  font-weight: 600;
  color: #1f2937;
  white-space: nowrap;
}

.timeline dd {
  color: #374151;
}

.timeline::after {
  content: "";
  display: block;
  clear: both;
}

.kaisoku-content h2 {
  font-size: 1.5rem; /* around text-xl */
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
  color: #1f2937; /* gray-800 */
  border-left: 4px solid #0cc0df;
  padding-left: 0.5rem;
}

.kaisoku-content p {
  margin-bottom: 1rem;
}

.kaisoku-content ol {
  padding-left: 1.5rem;
  list-style-type: decimal;
  margin-bottom: 1rem;
}

.kaisoku-content ol li {
  margin-bottom: 0.3rem;
  color: #262b34;
}

/* Animation */

@keyframes revealImage {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes slideFadeIn {
  0% {
    opacity: 0;
    transform: translateX(30px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-reveal {
  animation: revealImage 1.8s ease-out forwards;
}

.animate-slide-fade {
  animation: slideFadeIn 1.8s ease-out 0.5s forwards;
}

.start-hidden {
  opacity: 0;
}

@keyframes fadeSlideUp {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-slide-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

.fade-slide-up.show {
  opacity: 1;
  transform: translateY(0);
}

/* Generic fade and slide up */
.fade-in {
  opacity: 0;
  transition: opacity 1.2s ease;
}

.fade-in.show {
  opacity: 1;
}

/* Title animation: from right with fade */
.fade-right {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

.fade-right.show {
  opacity: 1;
  transform: translateX(0);
}