:root {
  --black-main: #0d253f;
  --white-main: #f2f6f8;
  --primary-color: #3c7fb1;
  --highlight-color: #aaddfa;
  --secondary-color: #d8e1e7;
  --future-green: #88ff92;
  --future-green-deep: #2f9654;
  --future-cyan: #77f2ff;
  --future-violet: #9bacff;
  --aero-grad: linear-gradient(
    to bottom,
    color-mix(in srgb, var(--secondary-color), white 62%) 0%,
    var(--secondary-color) 50%,
    color-mix(in srgb, var(--secondary-color), black 12%) 51%,
    var(--secondary-color) 100%
  );
  --bg-image:
    radial-gradient(circle at 18% 12%, rgba(119, 242, 255, 0.6) 0%, rgba(119, 242, 255, 0) 36%),
    radial-gradient(circle at 80% 18%, rgba(143, 255, 183, 0.45) 0%, rgba(143, 255, 183, 0) 40%),
    radial-gradient(circle at 56% 88%, rgba(155, 172, 255, 0.34) 0%, rgba(155, 172, 255, 0) 44%),
    linear-gradient(155deg, #d8ecfa 0%, #9fc6ef 42%, #5f88c4 100%);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  color: var(--black-main);
  background-image: var(--bg-image);
  background-size: cover;
  background-attachment: fixed;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "Hiragino Mincho ProN", "Yu Mincho", "PMingLiU", "SimSun", "MS Mincho", serif;
  line-height: 1.68;
  font-weight: 400;
}

h1,
h2,
h3,
strong,
b {
  font-weight: 400;
}

img,
iframe {
  image-rendering: auto;
}

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 74%, rgba(255, 255, 255, 0.8), transparent 52%),
    radial-gradient(circle at 92% 68%, rgba(255, 255, 255, 0.6), transparent 48%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.24), transparent 30%),
    repeating-linear-gradient(
      115deg,
      rgba(255, 255, 255, 0.08) 0,
      rgba(255, 255, 255, 0.08) 1px,
      transparent 1px,
      transparent 12px
    );
  mix-blend-mode: screen;
}

.future-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.sunlight-front {
  position: fixed;
  inset: 0;
  z-index: 12;
  pointer-events: none;
  overflow: hidden;
}

.sunlight-front::before,
.sunlight-front::after {
  content: "";
  position: absolute;
  inset: -18%;
}

.sunlight-front::before {
  background:
    radial-gradient(
      circle at 74% 16%,
      rgba(255, 252, 223, 0.48) 0%,
      rgba(255, 232, 174, 0.26) 22%,
      rgba(255, 232, 174, 0) 56%
    ),
    conic-gradient(
      from 190deg at 74% 16%,
      rgba(255, 241, 188, 0) 0deg,
      rgba(255, 241, 188, 0.28) 11deg,
      rgba(255, 241, 188, 0) 25deg,
      rgba(255, 241, 188, 0.18) 34deg,
      rgba(255, 241, 188, 0) 49deg,
      rgba(255, 241, 188, 0.22) 63deg,
      rgba(255, 241, 188, 0) 82deg,
      rgba(255, 241, 188, 0.16) 96deg,
      rgba(255, 241, 188, 0) 122deg
    );
  mix-blend-mode: screen;
  animation: sun-scatter-drift 16s ease-in-out infinite alternate;
}

.sunlight-front::after {
  background:
    linear-gradient(
      120deg,
      rgba(255, 245, 202, 0.12) 0%,
      rgba(255, 245, 202, 0.04) 32%,
      rgba(255, 245, 202, 0) 68%
    );
  opacity: 0.64;
}

.sunset-halo {
  position: absolute;
  left: 50%;
  bottom: 23vh;
  width: min(66vw, 760px);
  height: min(30vh, 280px);
  border-radius: 50%;
  transform: translateX(-50%);
  background: radial-gradient(
    ellipse at center,
    rgba(255, 220, 136, 0.62) 0%,
    rgba(255, 166, 117, 0.42) 42%,
    rgba(255, 128, 133, 0.12) 72%,
    rgba(255, 128, 133, 0) 100%
  );
  filter: blur(18px);
  z-index: 1;
}

.sunset-disc {
  position: absolute;
  left: 50%;
  bottom: 18vh;
  width: min(34vw, 390px);
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translateX(-50%);
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 245, 196, 0.96) 0%,
      rgba(255, 245, 196, 0.96) 5%,
      rgba(255, 174, 122, 0.92) 5%,
      rgba(255, 174, 122, 0.92) 10%
    ),
    radial-gradient(
      circle at 50% 30%,
      rgba(255, 248, 215, 0.95) 0%,
      rgba(255, 224, 160, 0.86) 30%,
      rgba(255, 167, 114, 0.92) 62%,
      rgba(255, 106, 112, 0.95) 100%
    );
  box-shadow:
    0 0 18px rgba(255, 176, 125, 0.85),
    0 0 42px rgba(255, 150, 112, 0.58),
    0 0 72px rgba(255, 126, 132, 0.42);
  z-index: 2;
  opacity: 0.92;
}

.horizon-band {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18vh;
  height: 2px;
  background: linear-gradient(
    to right,
    rgba(255, 155, 126, 0) 0%,
    rgba(255, 188, 128, 0.95) 20%,
    rgba(136, 255, 146, 0.82) 50%,
    rgba(255, 188, 128, 0.95) 80%,
    rgba(255, 155, 126, 0) 100%
  );
  box-shadow:
    0 0 10px rgba(255, 184, 133, 0.6),
    0 0 20px rgba(122, 255, 161, 0.42);
  z-index: 3;
}

.inward-grid {
  position: absolute;
  left: -20vw;
  right: -20vw;
  bottom: -7vh;
  height: 62vh;
  transform: perspective(980px) rotateX(67deg);
  transform-origin: center bottom;
  overflow: hidden;
  z-index: 4;
  opacity: 0.66;
}

.inward-grid::before,
.inward-grid::after {
  content: "";
  position: absolute;
  inset: 0;
}

.inward-grid::before {
  background:
    linear-gradient(
      to top,
      rgba(95, 255, 146, 0) 0%,
      rgba(95, 255, 146, 0.35) 26%,
      rgba(95, 255, 146, 0.78) 100%
    ),
    repeating-linear-gradient(
      to top,
      rgba(95, 255, 146, 0.86) 0 2px,
      rgba(95, 255, 146, 0.02) 2px 42px
    );
  background-position: center 0, center 0;
  animation: grid-inward 5.4s linear infinite;
}

.inward-grid::after {
  background: repeating-linear-gradient(
    to right,
    rgba(104, 255, 160, 0.52) 0 1px,
    rgba(104, 255, 160, 0.02) 1px 64px
  );
  transform: skewX(-17deg) scaleX(1.08);
  transform-origin: center;
}

.future-marquee {
  position: absolute;
  left: -8vw;
  right: -8vw;
  bottom: 16px;
  overflow: hidden;
  transform: perspective(900px) rotateX(21deg);
  transform-origin: bottom;
  z-index: 5;
}

.future-track {
  display: flex;
  gap: 2.4rem;
  width: max-content;
  white-space: nowrap;
  animation: future-scroll 22s linear infinite;
}

.future-track span {
  color: var(--future-green);
  font-size: clamp(1.08rem, 2.8vw, 2rem);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-shadow:
    0 1px 0 #e8ffe8,
    0 2px 0 color-mix(in srgb, var(--future-green), var(--future-green-deep) 32%),
    0 3px 0 var(--future-green-deep),
    0 9px 16px rgba(22, 93, 50, 0.35),
    0 0 16px rgba(136, 255, 146, 0.72);
}

@keyframes future-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-48%);
  }
}

@keyframes grid-inward {
  from {
    background-position: center 0, center 0;
  }
  to {
    background-position: center 0, center -90px;
  }
}

@keyframes sun-scatter-drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.72;
  }
  to {
    transform: translate3d(-1.8%, 2.2%, 0) scale(1.04);
    opacity: 0.54;
  }
}

.site-layout {
  position: relative;
  z-index: 1;
  isolation: isolate;
  max-width: 1220px;
  margin: 0 auto;
  padding: 16px 14px;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
}

.site-layout::before {
  content: "";
  position: absolute;
  inset: -16px;
  z-index: -2;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.26) 0%,
      rgba(163, 222, 255, 0.2) 36%,
      rgba(123, 185, 244, 0.13) 70%,
      rgba(162, 181, 255, 0.18) 100%
    );
  box-shadow:
    inset 0 0 40px rgba(255, 255, 255, 0.22),
    0 18px 40px rgba(13, 37, 63, 0.24);
  backdrop-filter: blur(13px) saturate(130%);
}

.site-layout::after {
  content: "";
  position: absolute;
  inset: -4px;
  z-index: -3;
  border-radius: 18px;
  background:
    linear-gradient(
      110deg,
      rgba(119, 242, 255, 0.2) 0%,
      rgba(136, 255, 146, 0.14) 35%,
      rgba(155, 172, 255, 0.22) 72%,
      rgba(119, 242, 255, 0.08) 100%
    );
  filter: blur(2px);
}

.panel {
  background: rgba(from var(--primary-color) r g b / 0.3);
  border: 1px solid rgba(from var(--white-main) r g b / 0.92);
  border-radius: 12px;
  box-shadow:
    inset 0 0 20px rgba(from var(--primary-color) r g b / 0.78),
    0 0 0 1px var(--white-main),
    0 0 0 1.5px rgba(from var(--black-main) r g b / 0.92),
    4px 4px 14px rgba(from var(--black-main) r g b / 0.3);
  backdrop-filter: blur(3px);
}

.sidebar {
  position: sticky;
  top: 12px;
  align-self: start;
  max-height: calc(100vh - 24px);
  overflow: auto;
  padding: 14px;
}

.brand-group {
  text-shadow:
    0 0 10px var(--white-main),
    0 0 10px var(--white-main);
}

.tiny-brand,
.tiny-sub {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
}

.tiny-sub {
  opacity: 0.85;
}

.brand-group h1 {
  margin: 6px 0;
  line-height: 1.2;
  font-size: clamp(1.22rem, 2.1vw, 1.62rem);
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "Hiragino Mincho ProN", "Yu Mincho", "PMingLiU", "SimSun", "MS Mincho", serif;
  letter-spacing: 0.03em;
  font-weight: 400;
}

.side-nav {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.nav-link,
.inline-link,
.lang-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--black-main);
  background: var(--aero-grad);
  text-shadow: 0 1px 0 var(--white-main);
  box-shadow:
    inset 0 0 0 1px var(--white-main),
    0 0 0 0.5px var(--black-main),
    2px 2px 8px rgba(from var(--black-main) r g b / 0.28);
  overflow: hidden;
}

.nav-link::after,
.inline-link::after,
.lang-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    var(--highlight-color) 0%,
    var(--highlight-color) 50%,
    color-mix(in srgb, var(--highlight-color), black 10%) 51%,
    var(--highlight-color) 82%
  );
  box-shadow:
    inset 0 0 0 2px var(--highlight-color),
    0 0 4px rgba(from var(--highlight-color) r g b / 0.85);
  opacity: 0;
  transition: opacity 0.2s;
}

.nav-link:hover::after,
.nav-link.active::after,
.inline-link:hover::after,
.lang-btn:hover::after,
.lang-btn.is-active::after {
  opacity: 1;
}

.nav-link {
  min-height: 36px;
  border-radius: 999px;
  padding: 0 12px;
}

.nav-link span,
.inline-link span,
.lang-btn span {
  position: relative;
  z-index: 2;
}

.lang-switch {
  margin-top: 12px;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.lang-btn {
  min-height: 34px;
  border-radius: 999px;
  border: none;
  padding: 0 8px;
  cursor: pointer;
  font: inherit;
}

.lang-btn.is-active {
  transform: translateY(1px);
}

.column-side-buttons {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.side-link-btn {
  flex: 1;
  min-height: 34px;
  border-radius: 999px;
  text-align: center;
  white-space: nowrap;
}

.sidebar-card {
  margin-top: 14px;
  padding: 12px;
  border-radius: 10px;
  background: rgba(from var(--white-main) r g b / 0.62);
  box-shadow:
    inset 0 0 14px rgba(from var(--primary-color) r g b / 0.24),
    0 0 0 0.5px var(--black-main),
    0 0 0 1.5px var(--white-main);
}

.card-title {
  margin: 0 0 10px;
  font-weight: 400;
}

.sidebar-card .inline-link {
  width: 100%;
  margin-bottom: 8px;
  min-height: 34px;
  border-radius: 999px;
}

.sidebar-card .inline-link:last-child {
  margin-bottom: 0;
}

.content {
  display: grid;
  gap: 16px;
}

.page-section {
  min-height: 56vh;
  padding: 16px;
}

.badge {
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--aero-grad);
  text-shadow: 0 1px 0 var(--white-main);
  box-shadow:
    inset 0 0 0 1px var(--white-main),
    0 0 0 0.5px var(--black-main);
}

.page-section h2 {
  margin: 10px 0;
  line-height: 1.25;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "Hiragino Mincho ProN", "Yu Mincho", "PMingLiU", "SimSun", "MS Mincho", serif;
  letter-spacing: 0.02em;
  text-shadow:
    0 0 10px var(--white-main),
    0 0 10px var(--white-main);
}

.lead {
  margin: 0;
  line-height: 1.72;
}

.profile-list {
  margin: 12px 0 0;
  padding-left: 1.2rem;
  line-height: 1.75;
}

.profile-list li + li {
  margin-top: 4px;
}

.hero-images {
  margin-top: 14px;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
}

.glass-frame {
  margin: 0;
  border-radius: 12px;
  padding: 10px;
  background: rgba(from var(--white-main) r g b / 0.58);
  box-shadow:
    inset 0 0 20px rgba(from var(--primary-color) r g b / 0.25),
    0 0 0 0.5px var(--black-main),
    0 0 0 1.5px var(--white-main);
}

.glass-frame img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  display: block;
  border-radius: 8px;
}

.glass-frame figcaption {
  margin-top: 8px;
  font-size: 0.86rem;
}

.inline-link {
  width: fit-content;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
}

.inline-link.big {
  margin-top: 8px;
}

.voicebank-list {
  margin: 10px 0 0;
  padding-left: 1.2rem;
  line-height: 1.75;
}

.credit {
  margin-top: 12px;
  line-height: 1.6;
}

.works-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.video-grid {
  margin-top: 12px;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.video-card {
  border-radius: 10px;
  padding: 10px;
  background: rgba(from var(--white-main) r g b / 0.62);
  box-shadow:
    inset 0 0 14px rgba(from var(--primary-color) r g b / 0.24),
    0 0 0 0.5px var(--black-main),
    0 0 0 1.5px var(--white-main);
}

.video-card h3 {
  margin: 0 0 8px;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "Hiragino Mincho ProN", "Yu Mincho", "PMingLiU", "SimSun", "MS Mincho", serif;
  letter-spacing: 0.01em;
}

.work-meta {
  margin: 0 0 10px;
  font-size: 0.9rem;
  opacity: 0.9;
}

.video-wrap {
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(from var(--black-main) r g b / 0.14);
  box-shadow:
    inset 0 0 0 1px rgba(from var(--black-main) r g b / 0.4),
    0 0 0 1px rgba(from var(--white-main) r g b / 0.8);
  aspect-ratio: 16 / 9;
}

.video-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-card .inline-link {
  margin-top: 10px;
}

.guide-list {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.75;
}

.legal-box {
  margin-top: 12px;
  border-radius: 10px;
  padding: 12px;
  background: rgba(from var(--white-main) r g b / 0.62);
  box-shadow:
    inset 0 0 14px rgba(from var(--primary-color) r g b / 0.24),
    0 0 0 0.5px var(--black-main),
    0 0 0 1.5px var(--white-main);
}

.agreement-list {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.75;
}

.legal-details {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed rgba(from var(--black-main) r g b / 0.3);
}

.legal-details summary {
  cursor: pointer;
  font-weight: 400;
  list-style: none;
}

.legal-details summary::-webkit-details-marker {
  display: none;
}

.legal-links {
  margin: 10px 0 0;
  padding-left: 1.2rem;
  line-height: 1.7;
}

.legal-links a {
  color: var(--black-main);
}

.legal-note {
  margin: 10px 0 0;
  font-size: 0.88rem;
  opacity: 0.9;
}

.site-footer {
  max-width: 1220px;
  margin: 0 auto 18px;
  text-align: center;
  border-radius: 10px;
  padding: 10px;
  background: rgba(from var(--white-main) r g b / 0.44);
  box-shadow:
    inset 0 0 18px rgba(from var(--primary-color) r g b / 0.24),
    0 0 0 0.5px var(--black-main),
    0 0 0 1.5px var(--white-main);
  text-shadow:
    0 0 10px var(--white-main),
    0 0 10px var(--white-main);
}

.site-footer a {
  color: var(--black-main);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--black-main), transparent 45%);
  text-underline-offset: 2px;
}

.site-footer a:hover {
  text-decoration-color: var(--black-main);
}

#year {
  font-weight: 400;
}

@media (max-width: 1024px) {
  .sunset-halo {
    bottom: 20vh;
    width: min(84vw, 700px);
    height: min(26vh, 240px);
  }

  .sunset-disc {
    bottom: 15.5vh;
    width: min(46vw, 320px);
  }

  .horizon-band {
    bottom: 15.5vh;
  }

  .inward-grid {
    left: -24vw;
    right: -24vw;
    bottom: -10vh;
    height: 56vh;
    transform: perspective(820px) rotateX(62deg);
  }

  .future-marquee {
    left: -16vw;
    right: -16vw;
    bottom: 10px;
    transform: perspective(760px) rotateX(16deg);
  }

  .future-track span {
    font-size: clamp(1rem, 2.4vw, 1.5rem);
  }

  .site-layout::before {
    inset: -10px;
  }

  .site-layout::after {
    inset: -2px;
  }

  .site-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    max-height: none;
  }

  .side-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-images {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .sunset-halo {
    bottom: 17vh;
    width: min(104vw, 620px);
    height: min(22vh, 200px);
  }

  .sunset-disc {
    bottom: 12.5vh;
    width: min(58vw, 250px);
  }

  .horizon-band {
    bottom: 12.5vh;
  }

  .inward-grid {
    left: -30vw;
    right: -30vw;
    bottom: -14vh;
    height: 50vh;
    transform: perspective(680px) rotateX(57deg);
  }

  .future-marquee {
    left: -24vw;
    right: -24vw;
    bottom: 8px;
    transform: perspective(620px) rotateX(10deg);
  }

  .future-track span {
    font-size: clamp(0.88rem, 2.1vw, 1.2rem);
    letter-spacing: 0.1em;
  }

  .site-layout {
    padding: 10px 10px;
  }

  .page-section {
    min-height: auto;
  }

  .side-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .inline-link,
  .sidebar-card .inline-link {
    width: 100%;
  }
}