html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  background: #000;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 24px 48px;
  box-sizing: border-box;

  z-index: 1000;

  background: rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(4px);

  transition: all 0.8s ease;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.8em;

  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
  letter-spacing: 0.12em;
}

.site-logo h1 {
  margin: 0;
}

.main-title {
  margin: 0;
  font-size: 18px;
  line-height: 1;
  letter-spacing: 0.08em;
}

.title-icon {
  position: relative;
  top: -1px;

  width: 22px;
  height: auto;
  margin-left: 0.45em;

  opacity: 0.78;
  vertical-align: middle;
}

.subtitle {
  display: flex;
  align-items: center;
  gap: 0.3em;

  opacity: 0.72;
  letter-spacing: 0.08em;

  position: relative;
  top: 1px;
}

.dagger-left {
  display: inline-block;
  transform: rotate(90deg);
  opacity: 0.55;
}

.dagger-right {
  display: inline-block;
  transform: rotate(270deg);
  opacity: 0.55;
}

.site-nav {
  display: flex;
  gap: 40px;
}

.home-reload{
  color:inherit;
  text-decoration:none;
  cursor:pointer;
}

.site-nav a {
  position: relative;

  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.08em;

  transition: opacity 0.4s ease;
}

.site-nav a:hover {
  opacity: 0.6;
}

.site-nav a::after {
  content: "";

  position: absolute;
  left: 0;
  bottom: -4px;

  width: 0;
  height: 1px;

  background: rgba(255, 255, 255, 0.7);
  transition: width 0.25s ease;
}

.site-nav a:hover::after {
  width: 100%;
}

/* Stage */
#stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#stage::after {
  content: "";

  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;

  height: 180px;

  pointer-events: none;

  background: linear-gradient(
    to bottom,
    rgba(245, 241, 232, 0) 0%,
    rgba(245, 241, 232, 0.15) 30%,
    rgba(245, 241, 232, 0.45) 60%,
    rgba(245, 241, 232, 1) 100%
  );

  z-index: 50;
}

.season {
  position: absolute;
  inset: 0;

  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;

  will-change: clip-path, opacity, transform;
  transform: translateZ(0);
}

#season1 {
  background-image: url("/top_page/img/top_image_scene1.png");
  z-index: 1;
}

#season2 {
  position: absolute;

  background-image: url("/top_page/img/top_image_scene2.png");
  z-index: 2;

  clip-path: inset(0 100% 0 0);
  filter: brightness(0.92);
}

#season2::after {
  content: "";

  position: absolute;
  inset: 0;

  pointer-events: none;

  background: linear-gradient(
    to left,
    rgba(0, 0, 0, 0.10),
    rgba(0, 0, 0, 0.02)
  );

  opacity: 0.7;
}

#wipe-light {
  position: absolute;
  top: 0;
  left: 0;

  width: 42px;
  height: 100%;

  pointer-events: none;
  z-index: 9999;
  opacity: 0;

  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.10) 20%,
    rgba(255, 255, 255, 0.38) 50%,
    rgba(255, 255, 255, 0.10) 80%,
    rgba(255, 255, 255, 0) 100%
  );

  filter: blur(10px);

  will-change: transform, opacity;
  transform: translateZ(0);
}

/* Paper world */
#paper-world {
  min-height: 100vh;

  background-image: url("/top_page/img/top_image_lower_back.jpg");
  background-size: 130%;
  background-position: center;

  filter: brightness(0.95);
  position: relative;
}

.paper-intro {
  min-height: 100vh;

  display: flex;
  flex-direction: column;
  align-items: center;

  padding-top: 24vh;
  box-sizing: border-box;

  color: rgba(45, 40, 36, 0.78);
  text-align: center;
}

.paper-intro h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.35em;
}

.open-guide {
  margin-top: 42px;

  display: flex;
  flex-direction: column;
  align-items: center;

  color: rgba(45, 40, 36, 0.55);
}

.guide-line {
  width: 1px;
  height: 46px;
  background: rgba(45, 40, 36, 0.22);
}

.guide-arrow {
  margin-top: 28px;
  font-size: 24px;
  line-height: 1;
  opacity: 0.65;
}

.guide-label {
  margin-top: 32px;
  font-size: 15px;
  letter-spacing: 0.35em;
  opacity: 0.72;
}

.guide-circle {
  width: 72px;
  height: 72px;

  border: 2px solid rgba(45, 40, 36, 0.55);
  border-radius: 50%;

  display: flex;
  align-items: center;
  justify-content: center;

  margin-top: 28px;

  color: rgba(45, 40, 36, 0.55);
  font-size: 34px;

  transition: all 0.25s ease;
}

.guide-circle:hover {
  border-color: rgba(45, 40, 36, 0.42);
  color: rgba(45, 40, 36, 0.78);
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.guide-circle:active {
  transform: translateY(0);
}

/* Footer */
.paper-footer {
  margin-top: 120px;
  padding: 60px 40px 80px;
}

.footer-line {
  height: 1px;
  margin-bottom: 24px;
  background: rgba(60, 50, 40, 0.4);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;

  font-size: 0.9rem;
}

.footer-left {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  opacity: 1;
}

.footer-left img {
  width: 60px;
  opacity: 1;
  transform: translateY(0);
}

.footer-title {
  margin-top: 30px;
  margin-left: -24px;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
}

.footer-center {
  position: relative;
  padding-left: 40px;

  margin-top:20;
  font-size: 0.92rem;
  line-height: 2.2;
}

.footer-right{
  text-align:right;
  padding-right:8px;
}

.footer-right > div{
  margin:0;
}

.footer-site-name{
  margin-top:-10;
  font-size:13px;
  letter-spacing:.08em;
  opacity:.88;
}

.footer-role-name{
  margin-top:15px;
  font-size:11px;
  letter-spacing:.02em;
  opacity:1;
}

.footer-owner-name{
  margin-top:2px;
  font-size:13px;
  letter-spacing:.08em;
  opacity:.88;
}