:root {
  color-scheme: dark;
  --ink: #080d0f;
  --panel: rgba(8, 13, 15, 0.72);
  --panel-strong: rgba(13, 20, 21, 0.86);
  --paper: #d7c5a2;
  --text: #edf3ef;
  --muted: #a9b5af;
  --line: rgba(215, 197, 162, 0.18);
  --teal: #00d6c7;
  --red: #b94a3f;
  --radius: 8px;
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  background: var(--ink);
  color: var(--text);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-width: 320px;
  min-height: 100%;
}

body {
  background: #070b0d;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.page {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(260px, 0.92fr) minmax(330px, 1.08fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding: clamp(28px, 5vw, 64px);
  overflow: hidden;
}

.backdrop {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.34;
  filter: saturate(0.78) contrast(1.05);
}

.page::before,
.page::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.policy-page {
  min-height: 100svh;
  padding: clamp(22px, 5vw, 64px);
  background:
    radial-gradient(circle at 74% 12%, rgba(0, 214, 199, 0.11), transparent 28rem),
    linear-gradient(180deg, #080d0f 0%, #0b0f12 100%);
}

.page::before {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(7, 11, 13, 0.94) 0%, rgba(7, 11, 13, 0.78) 48%, rgba(7, 11, 13, 0.9) 100%),
    radial-gradient(circle at 72% 42%, rgba(0, 214, 199, 0.12), transparent 32rem);
}

.page::after {
  z-index: 0;
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.014) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 84%);
}

.identity,
.index-panel {
  position: relative;
  z-index: 1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(42px, 8vh, 78px);
}

.policy-brand {
  margin-bottom: 44px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #111513;
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
}

.eyebrow,
.panel-head span,
.category h2 {
  color: rgba(0, 214, 199, 0.9);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 16px;
}

h1 {
  max-width: 720px;
  margin: 0 0 22px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  font-size: clamp(3.2rem, 6.55vw, 5.95rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: 0;
  white-space: nowrap;
  text-shadow: 0 18px 48px rgba(0, 0, 0, 0.38);
}

.lead {
  max-width: 610px;
  margin: 0;
  color: rgba(237, 243, 239, 0.82);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.9;
}

.news-list {
  display: grid;
  gap: 8px;
  max-width: 620px;
  margin-top: 22px;
}

.news-line {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  background: rgba(8, 13, 15, 0.54);
  border: 1px solid rgba(215, 197, 162, 0.16);
  border-left: 2px solid rgba(185, 74, 63, 0.74);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}

.news-line.is-archive {
  gap: 6px;
  padding: 10px 12px;
  border-left-color: rgba(215, 197, 162, 0.34);
  opacity: 0.72;
}

.news-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.news-head span {
  color: rgba(0, 214, 199, 0.9);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.news-head time {
  color: var(--paper);
  font-size: 0.86rem;
  font-weight: 700;
}

.news-line.is-archive .news-head span {
  font-size: 0.64rem;
}

.news-line.is-archive .news-head time {
  font-size: 0.76rem;
}

.news-line p {
  margin: 0;
  color: rgba(237, 243, 239, 0.76);
  font-size: 0.9rem;
  line-height: 1.7;
}

.news-line.is-archive p {
  font-size: 0.78rem;
  line-height: 1.55;
}

.policy-card {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: clamp(22px, 4vw, 46px);
  background: rgba(8, 13, 15, 0.78);
  border: 1px solid var(--line);
  border-left: 2px solid rgba(185, 74, 63, 0.74);
  border-radius: var(--radius);
  color: rgba(237, 243, 239, 0.9);
  backdrop-filter: blur(18px);
}

.policy-card h1 {
  white-space: normal;
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.policy-card h2 {
  margin: 34px 0 12px;
  color: var(--paper);
  font-size: 1.1rem;
  letter-spacing: 0;
}

.policy-card p,
.policy-card li {
  color: var(--muted);
  line-height: 1.9;
}

.policy-card ul {
  margin: 0;
  padding-left: 1.25em;
}

.policy-date {
  margin-bottom: 28px;
  color: rgba(215, 197, 162, 0.78);
  font-size: 0.92rem;
}

.policy-note {
  margin: 36px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
  color: var(--paper);
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.youtube-icon {
  position: relative;
  display: inline-block;
  width: 22px;
  height: 16px;
  background: #e34242;
  border-radius: 5px;
  box-shadow: 0 0 18px rgba(227, 66, 66, 0.18);
}

.youtube-icon::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 8px;
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 7px solid #fff;
}

.social-links a:hover,
.social-links a:focus-visible,
.project-item:hover,
.project-item:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(0, 214, 199, 0.42);
  background: rgba(255, 255, 255, 0.06);
}

.utility-link {
  margin: 10px 0 0;
  color: rgba(169, 181, 175, 0.74);
  font-size: 0.82rem;
}

.contact-note {
  margin: 12px 0 0;
  color: rgba(237, 243, 239, 0.62);
  font-size: 0.82rem;
}

.utility-link span {
  display: inline-block;
  margin-left: 12px;
}

.utility-link a {
  border-bottom: 1px solid rgba(169, 181, 175, 0.34);
}

.utility-link a:hover,
.utility-link a:focus-visible {
  color: var(--paper);
  border-bottom-color: rgba(215, 197, 162, 0.58);
}

.index-panel {
  align-self: center;
  padding: clamp(16px, 2.1vw, 24px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid rgba(185, 74, 63, 0.74);
  border-radius: var(--radius);
  backdrop-filter: blur(18px);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.panel-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.category + .category {
  margin-top: 14px;
}

.category h2 {
  margin: 0 0 8px;
}

.category-note {
  margin: -4px 0 8px;
  color: rgba(237, 243, 239, 0.58);
  font-size: 0.78rem;
  line-height: 1.5;
}

.project-list {
  display: grid;
  gap: 8px;
}

.project-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-width: 0;
  min-height: 92px;
  padding: 14px;
  background: var(--panel-strong);
  border: 1px solid rgba(215, 197, 162, 0.16);
  border-radius: var(--radius);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

button.project-item {
  width: 100%;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.project-item.compact {
  grid-template-columns: 48px minmax(0, 1fr);
  min-height: 68px;
  padding: 8px;
}

.project-item.with-art {
  grid-template-columns: minmax(118px, 0.66fr) minmax(0, 1fr);
  min-height: 68px;
  padding: 6px;
}

.project-item.split-project {
  cursor: pointer;
}

.project-item.with-art img {
  width: 100%;
  height: 54px;
  object-fit: cover;
  border: 1px solid rgba(215, 197, 162, 0.14);
  border-radius: 6px;
  opacity: 0.9;
  filter: brightness(1.08) saturate(0.96);
}

.video-thumb {
  position: relative;
  display: block;
}

button.video-thumb,
.art-trigger {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.video-thumb::before {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(215, 197, 162, 0.34);
  border-radius: 999px;
  background: rgba(8, 13, 15, 0.72);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.34);
  transform: translate(-50%, -50%);
  z-index: 1;
}

.video-thumb::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 10px solid var(--paper);
  filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.4));
  transform: translate(-34%, -50%);
  z-index: 2;
}

.project-copy {
  display: grid;
  align-content: center;
  min-height: 54px;
  color: inherit;
  text-decoration: none;
}

.project-copy:focus-visible,
.art-trigger:focus-visible {
  outline: 2px solid rgba(215, 197, 162, 0.58);
  outline-offset: 2px;
}

.project-item.disabled {
  color: rgba(237, 243, 239, 0.64);
  cursor: default;
}

.project-item.disabled:hover {
  transform: none;
  border-color: rgba(215, 197, 162, 0.16);
  background: var(--panel-strong);
}

.project-code {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: var(--paper);
  background:
    linear-gradient(135deg, rgba(0, 214, 199, 0.16), rgba(185, 74, 63, 0.12)),
    rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(215, 197, 162, 0.18);
  border-radius: 6px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.project-thumb {
  width: 54px;
  height: 54px;
  object-fit: cover;
  object-position: top;
  border: 1px solid rgba(215, 197, 162, 0.18);
  border-radius: 6px;
  filter: brightness(0.92) saturate(0.72);
}

.note-mark {
  position: relative;
  width: 54px;
  height: 54px;
  background:
    linear-gradient(90deg, rgba(0, 214, 199, 0.34) 0 2px, transparent 2px),
    repeating-linear-gradient(180deg, transparent 0 11px, rgba(215, 197, 162, 0.22) 11px 12px),
    rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(215, 197, 162, 0.18);
  border-radius: 6px;
}

.note-mark::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-top: 13px solid rgba(215, 197, 162, 0.32);
  border-left: 13px solid transparent;
}

.project-item strong {
  display: block;
  margin-bottom: 5px;
  font-size: 1.2rem;
  line-height: 1.25;
}

.project-item.with-art strong {
  font-size: 1.03rem;
}

.project-item em {
  color: var(--paper);
  font-size: 0.74rem;
  font-style: normal;
  font-weight: 700;
}

.project-item small {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.index-panel .link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.index-panel .link-grid > * {
  min-width: 0;
}

.project-item.compact strong {
  font-size: 1.05rem;
}

.project-item.compact small {
  font-size: 0.82rem;
}

.link-grid .project-item.compact {
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px;
  padding: 7px;
}

.link-grid .project-thumb,
.link-grid .note-mark {
  width: 42px;
  height: 42px;
}

.link-grid .project-item.compact small {
  font-size: 0.74rem;
}

.community {
  padding-top: 2px;
}

.community-banner {
  display: inline-flex;
  width: 100%;
  max-width: 100%;
  min-height: 68px;
  padding: 6px;
  align-items: center;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(215, 197, 162, 0.16);
  border-radius: 6px;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.community-banner:hover,
.community-banner:focus-visible {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(0, 214, 199, 0.42);
}

.community-banner img {
  width: 100%;
  max-width: 100%;
  height: auto;
  image-rendering: auto;
}

.video-dialog {
  width: min(92vw, 980px);
  padding: 0;
  background: #050708;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.video-dialog::backdrop {
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(6px);
}

.video-dialog video {
  display: block;
  width: 100%;
  max-height: 82vh;
  background: #000;
}

.video-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 38px;
  height: 38px;
  color: var(--text);
  background: rgba(9, 13, 15, 0.82);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

@media (max-width: 760px) {
  .page {
    gap: 18px;
    padding: 22px;
    grid-template-columns: minmax(220px, 0.85fr) minmax(300px, 1.15fr);
  }

  .brand {
    margin-bottom: 26px;
  }

  h1 {
    font-size: clamp(2.55rem, 6vw, 2.8rem);
    margin-bottom: 14px;
  }

  .lead {
    font-size: 0.92rem;
    line-height: 1.75;
  }

  .social-links {
    gap: 8px;
    margin-top: 18px;
  }

  .social-links a {
    min-height: 38px;
    padding: 0 12px;
  }

  .news-line {
    margin-top: 16px;
    padding: 12px 14px;
  }

  .index-panel {
    padding: 16px;
  }

  .project-item {
    min-height: 76px;
    padding: 10px;
  }

  .project-item.with-art {
    grid-template-columns: 150px minmax(0, 1fr);
    min-height: 82px;
  }

  .project-item.with-art img {
    height: 62px;
  }

  .project-code {
    width: 46px;
    height: 46px;
  }

  .project-thumb {
    width: 46px;
    height: 46px;
  }

  .note-mark {
    width: 46px;
    height: 46px;
  }

  .project-item strong {
    font-size: 1.05rem;
  }

  .project-item small {
    font-size: 0.8rem;
  }
}

@media (max-width: 559px) {
  .page {
    min-height: auto;
    grid-template-columns: 1fr;
    align-items: start;
    overflow: visible;
  }

  .brand {
    margin-bottom: 42px;
  }

  h1 {
    max-width: 760px;
  }
}

@media (max-width: 559px) {
  .page {
    padding: 22px;
  }

  .brand {
    margin-bottom: 34px;
  }

  h1 {
    font-size: clamp(2.45rem, 11.2vw, 3.3rem);
    white-space: normal;
  }

  .project-item.with-art {
    grid-template-columns: 1fr;
  }

  .project-item.with-art img {
    height: auto;
    aspect-ratio: 16 / 8.4;
  }

  .index-panel {
    padding: 18px;
  }

  .panel-head,
  .two-col,
  .index-panel .link-grid {
    display: grid;
    grid-template-columns: 1fr !important;
  }

  .project-item {
    grid-template-columns: 48px minmax(0, 1fr);
    min-height: 82px;
    padding: 12px;
  }

  .project-code {
    width: 48px;
    height: 48px;
  }
}

@media (max-height: 760px) and (min-width: 1041px) {
  .page {
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .brand {
    margin-bottom: 34px;
  }

  h1 {
    font-size: clamp(3rem, 5vw, 4.6rem);
    margin-bottom: 16px;
  }

  .lead {
    font-size: 1rem;
    line-height: 1.75;
  }

  .social-links {
    margin-top: 24px;
  }

  .index-panel {
    padding: 22px;
  }

  .project-item {
    min-height: 80px;
  }
}