@import url("https://fonts.googleapis.com/css2?family=Archivo:wght@500;700;800;900&family=Hachi+Maru+Pop&family=Klee+One:wght@400;600&family=Noto+Sans+JP:wght@400;500;700;900&family=Noto+Sans+SC:wght@400;500;700;900&family=Yuji+Boku&family=Yuji+Syuku&family=Zen+Kurenaido&display=swap");

@font-face {
  font-family: "Kanata To Hinata";
  src:
    local("かなたとひなたDemo"),
    local("Kanata To Hinata"),
    url("./assets/fonts/kanata-to-hinata/kanata-to-hinata.woff2") format("woff2"),
    url("./assets/fonts/kanata-to-hinata/kanata-to-hinata.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  --black: #080808;
  --white: #fbfbf7;
  --paper: #ffffff;
  --muted: #5d5d5d;
  --line: rgba(8, 8, 8, 0.18);
  --panel: rgba(255, 255, 255, 0.86);
  --panel-solid: #ffffff;
  --max-width: 1120px;
  --font-sans: "Archivo", "Noto Sans SC", "Noto Sans JP", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-cjk: "Noto Sans SC", "Noto Sans JP", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-secret: "Zen Kurenaido", "Klee One", "Yuji Boku", "Noto Sans JP", "Noto Sans SC", cursive;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(90deg, transparent 0 31px, rgba(8, 8, 8, 0.045) 32px),
    linear-gradient(180deg, transparent 0 31px, rgba(8, 8, 8, 0.045) 32px),
    var(--white);
  background-size: 32px 32px;
  color: var(--black);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px max(22px, calc((100vw - var(--max-width)) / 2));
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 2px solid var(--black);
  backdrop-filter: blur(12px);
}

.secret-dots {
  position: absolute;
  top: 50%;
  left: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  transform: translateY(-50%);
}

.secret-dot {
  width: 16px;
  height: 16px;
  padding: 0;
  border: 2px solid var(--black);
  border-radius: 50%;
  cursor: default;
  transition:
    transform 120ms ease,
    box-shadow 120ms ease,
    background 120ms ease;
}

.secret-dot-black {
  background: var(--black);
}

.secret-dot-white {
  background: var(--white);
}

.secret-dot:focus-visible {
  outline: none;
}

.secret-dot.is-tapped {
  transform: scale(0.76);
}

.secret-dots.is-unlocked .secret-dot {
  background: var(--black);
  box-shadow: 0 0 0 5px rgba(8, 8, 8, 0.12);
}

.passcode-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.82)),
    rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.passcode-modal.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.passcode-dialog {
  width: min(420px, 100%);
  padding: 28px;
  background: var(--paper);
  border: 2px solid var(--black);
  box-shadow: 12px 12px 0 rgba(8, 8, 8, 0.16);
}

.passcode-dialog h2 {
  margin-bottom: 18px;
  font-size: 28px;
}

.passcode-form {
  display: grid;
  gap: 14px;
}

.passcode-input {
  width: 100%;
  padding: 13px 14px;
  color: var(--black);
  background: var(--white);
  border: 2px solid var(--black);
  font: inherit;
  font-weight: 700;
}

.passcode-input:focus {
  outline: 3px solid rgba(8, 8, 8, 0.16);
  outline-offset: 2px;
}

.passcode-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.passcode-actions button {
  padding: 10px 14px;
  border: 2px solid var(--black);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.passcode-submit {
  color: var(--white);
  background: var(--black);
}

.passcode-cancel {
  color: var(--black);
  background: var(--white);
}

.passcode-error {
  min-height: 1.5em;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.brand,
.site-nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--black);
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: 50%;
  font-weight: 900;
}

.site-nav {
  gap: 20px;
  color: var(--black);
  font-size: 14px;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--muted);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 2px solid var(--black);
  background: var(--black);
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  background-image: url("./assets/sapphire-hero.png");
  background-size: cover;
  background-position: center;
  filter: contrast(1.08);
  opacity: 0.92;
}

.hero-overlay {
  background:
    linear-gradient(180deg, rgba(5, 5, 5, 0.04) 0%, rgba(5, 5, 5, 0.08) 48%, rgba(255, 255, 255, 0.96) 100%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.82) 0%, rgba(255, 255, 255, 0.08) 46%, rgba(255, 255, 255, 0.72) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(var(--max-width), calc(100% - 44px));
  margin: 0 auto;
  padding: 0 0 74px;
}

.kicker {
  margin: 0 0 14px;
  color: var(--black);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: 96px;
  line-height: 1;
  font-weight: 900;
  font-family: var(--font-cjk);
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--black);
  font-size: 20px;
  line-height: 1.8;
}

.resource-section,
.notice-section,
.site-footer {
  width: min(var(--max-width), calc(100% - 44px));
  margin: 0 auto;
}

.resource-section {
  padding: 86px 0 52px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 26px;
}

h2 {
  margin-bottom: 0;
  font-size: 52px;
  line-height: 1.05;
  font-family: var(--font-cjk);
  font-weight: 900;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 2px solid var(--black);
  border-left: 2px solid var(--black);
}

.module-card {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  background: var(--panel-solid);
  border-right: 2px solid var(--black);
  border-bottom: 2px solid var(--black);
  transition: background 160ms ease, color 160ms ease;
}

.module-card:hover {
  background: var(--black);
  color: var(--white);
}

.module-index {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.module-card:hover .module-index,
.module-card:hover p {
  color: #d7d7d7;
}

.module-card h3 {
  margin: 52px 0 16px;
  font-size: 31px;
  line-height: 1.18;
  font-family: var(--font-cjk);
  font-weight: 900;
}

.module-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.8;
}

.notice-section {
  padding: 42px 0 76px;
  border-top: 2px solid var(--black);
}

.notice-section p:last-child {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.profile-showcase {
  display: grid;
  gap: 24px;
}

.profile-showcase h2 {
  max-width: none;
}

.profile-intro-line {
  max-width: none;
  margin: -8px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.profile-card-home {
  display: grid;
  gap: 24px;
  max-width: 780px;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 246, 243, 0.96)),
    var(--white);
  border: 2px solid var(--black);
  box-shadow: 12px 12px 0 rgba(8, 8, 8, 0.08);
}

.profile-card-home-top {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
}

.profile-card-home-avatar {
  width: 120px;
  height: 120px;
  display: block;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--black);
  background: #f3f3f3;
  box-shadow: 8px 8px 0 rgba(8, 8, 8, 0.08);
}

.profile-card-home-heading {
  display: grid;
  gap: 8px;
}

.profile-card-home-name {
  margin: 0;
  color: var(--black);
  font-size: 34px;
  line-height: 1.08;
  font-family: var(--font-cjk);
  font-weight: 900;
}

.profile-card-home-tagline {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.profile-card-home-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.profile-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 14px;
  color: var(--black);
  background: rgba(255, 255, 255, 0.92);
  border: 2px solid var(--black);
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.profile-pill:hover {
  transform: translateY(-2px);
  color: var(--white);
  background: var(--black);
}

.profile-pill-label {
  padding: 4px 9px;
  color: var(--black);
  background: rgba(8, 8, 8, 0.08);
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
}

.profile-pill:hover .profile-pill-label {
  color: var(--black);
  background: var(--white);
}

.profile-pill-value {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  word-break: break-all;
}

.profile-card-home-bio {
  padding: 18px 20px;
  background: rgba(8, 8, 8, 0.03);
  border-left: 4px solid var(--black);
}

.profile-card-home-bio p {
  max-width: none;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.95;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0 34px;
  color: var(--muted);
  border-top: 2px solid var(--black);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.home-page {
  background:
    linear-gradient(90deg, transparent 0 31px, rgba(8, 8, 8, 0.05) 32px),
    linear-gradient(180deg, transparent 0 31px, rgba(8, 8, 8, 0.05) 32px),
    linear-gradient(135deg, rgba(8, 8, 8, 0.04) 0 12.5%, transparent 12.5% 50%, rgba(8, 8, 8, 0.04) 50% 62.5%, transparent 62.5%),
    var(--white);
  background-size: 32px 32px, 32px 32px, 24px 24px;
}

.home-hero {
  min-height: 88vh;
  align-items: center;
}

.home-hero .hero-image {
  background-size: min(1500px, 116vw) auto;
  background-repeat: no-repeat;
  background-position: center 88px;
  opacity: 1;
}

.home-hero .hero-overlay {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.72) 72%, var(--white) 100%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.26) 48%, rgba(255, 255, 255, 0.88) 100%);
}

.home-hero-frame {
  position: relative;
  z-index: 2;
  width: min(var(--max-width), calc(100% - 44px));
  margin: 74px auto 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 28px;
  align-items: end;
}

.home-hero-copy {
  max-width: 780px;
  padding: 34px 0 0;
}

.home-hero h1 {
  max-width: 8em;
  margin-bottom: 22px;
  font-size: 88px;
  line-height: 1.02;
}

.home-hero .hero-copy {
  max-width: 680px;
  font-family: var(--font-cjk);
  font-size: 19px;
  font-weight: 500;
  line-height: 1.9;
}

.home-hero-panel {
  min-height: 300px;
  padding: 22px;
  display: grid;
  align-content: space-between;
  color: var(--white);
  background: var(--black);
  border: 2px solid var(--black);
  box-shadow: 12px 12px 0 rgba(8, 8, 8, 0.18);
}

.home-hero-panel span {
  font-size: 13px;
  font-weight: 800;
}

.home-hero-panel strong {
  display: block;
  font-size: 96px;
  line-height: 0.9;
  font-weight: 900;
}

.home-hero-panel p {
  margin: 0;
  color: #d9d9d9;
  line-height: 1.7;
}

.home-hero-panel a {
  width: fit-content;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--white);
  font-weight: 800;
}

.section-note {
  max-width: 280px;
  margin: 0;
  color: var(--muted);
  font-family: var(--font-cjk);
  line-height: 1.8;
}

.home-resource-section {
  padding-top: 78px;
}

.home-module-grid .module-card {
  min-height: 286px;
}

.home-module-grid .module-card:hover {
  transform: translateY(-4px);
}

.home-latest {
  width: min(var(--max-width), calc(100% - 44px));
  margin: 0 auto;
  padding: 108px 0 64px;
}

.latest-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 2px solid var(--black);
  border-left: 2px solid var(--black);
}

.latest-grid a {
  min-height: 188px;
  padding: 22px;
  display: grid;
  align-content: space-between;
  background: var(--paper);
  border-right: 2px solid var(--black);
  border-bottom: 2px solid var(--black);
}

.latest-grid a:hover {
  color: var(--white);
  background: var(--black);
}

.latest-grid span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.latest-grid a:hover span,
.latest-grid a:hover p {
  color: #d9d9d9;
}

.latest-grid strong {
  display: block;
  margin: 22px 0 12px;
  font-family: var(--font-cjk);
  font-size: 22px;
  line-height: 1.35;
}

.latest-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.home-notice {
  margin-bottom: 26px;
}

.sub-page {
  min-height: 100vh;
  background:
    linear-gradient(90deg, transparent 0, transparent calc(50% - 1px), rgba(8, 8, 8, 0.12) 50%, transparent calc(50% + 1px)),
    var(--white);
}

.placeholder-page {
  width: min(var(--max-width), calc(100% - 44px));
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 76px 0;
}

.placeholder-page h1 {
  margin-bottom: 24px;
}

.placeholder-page p:last-child {
  max-width: 660px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.secret-terminal-page {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 34%),
    #020202;
  color: #f5f5f5;
  font-family: var(--font-secret);
}

.secret-terminal {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: hidden;
}

.secret-terminal::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.06) 0,
      rgba(255, 255, 255, 0.06) 1px,
      transparent 1px,
      transparent 4px
    );
  opacity: 0.2;
  pointer-events: none;
}

.secret-terminal-shell {
  position: relative;
  z-index: 1;
  width: min(1020px, 100%);
}

.secret-terminal-line,
.secret-terminal-prompt,
.secret-terminal-hint,
.secret-terminal-error {
  margin: 0;
  color: #f5f5f5;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.6;
  letter-spacing: 0.06em;
}

.secret-terminal-line {
  min-height: 1.6em;
  font-family: var(--font-secret);
  font-size: clamp(34px, 4.3vw, 60px);
  font-weight: 400;
  letter-spacing: 0.07em;
  white-space: nowrap;
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.22);
}

.secret-terminal-prompt {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  min-height: 1.6em;
  letter-spacing: 0.06em;
}

.secret-terminal-prefix {
  color: rgba(255, 255, 255, 0.82);
  font-family: var(--font-secret);
  font-weight: 700;
}

.secret-terminal-input {
  white-space: pre-wrap;
  word-break: break-all;
}

.secret-terminal-caret {
  width: 0.62em;
  height: 1.1em;
  border-bottom: 2px solid currentColor;
  transform: translateY(0.08em);
  animation: secret-caret-blink 0.92s steps(1) infinite;
}

.secret-terminal-hint {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 14px;
  letter-spacing: 0.18em;
}

.secret-terminal-error {
  position: fixed;
  left: 50%;
  top: 71vh;
  z-index: 2;
  margin: 0;
  padding: 8px 14px;
  transform: translateX(-50%);
  color: #ff667d;
  font-family: var(--font-secret);
  font-size: clamp(24px, 2.9vw, 40px);
  font-weight: 400;
  letter-spacing: 0.06em;
  line-height: 1.3;
  text-align: center;
  text-shadow:
    -2px 0 rgba(255, 70, 110, 0.75),
    2px 0 rgba(255, 255, 255, 0.35),
    0 0 20px rgba(255, 70, 110, 0.28);
  opacity: 0;
  mix-blend-mode: screen;
}

.secret-terminal-error.is-visible {
  animation:
    secret-error-glitch 760ms steps(2, end),
    secret-error-flicker 760ms linear;
}

.secret-home-link {
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 5;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: #f6c500;
  background: #ffffff;
  border: 2px solid #080808;
  box-shadow: 6px 6px 0 rgba(8, 8, 8, 0.12);
  font-size: 32px;
  line-height: 1;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.secret-home-link:hover {
  transform: translate(2px, 2px);
  box-shadow: 4px 4px 0 rgba(8, 8, 8, 0.12);
  background: #fffbe8;
}

.secret-home-link:focus-visible {
  outline: 3px solid #f6c500;
  outline-offset: 4px;
}

.lighthouse-page {
  min-height: 100vh;
  margin: 0;
  color: #080808;
  background:
    linear-gradient(
      180deg,
      #ffffff 0%,
      #f7f7f1 16%,
      #e9ebe7 28%,
      #b5c2c5 42%,
      #67798a 56%,
      #304354 71%,
      #101925 85%,
      #030406 100%
    );
}

.lighthouse-shell {
  position: relative;
  overflow: clip;
}

.lighthouse-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 236, 170, 0.16), transparent 22%),
    linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.08) 100%);
  pointer-events: none;
}

.lighthouse-hero,
.lighthouse-journey {
  width: min(1240px, calc(100% - 72px));
  margin: 0 auto;
}

.lighthouse-hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  align-items: center;
  gap: 72px;
  padding: 132px 0 128px;
}

.lighthouse-copy {
  position: relative;
  z-index: 2;
}

.lighthouse-kicker {
  margin: 0 0 18px;
  color: #080808;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.lighthouse-hero h1 {
  margin: 0 0 28px;
  font-size: clamp(62px, 10vw, 132px);
  line-height: 0.92;
  font-family: var(--font-cjk);
  font-weight: 900;
  letter-spacing: 0.06em;
}

.lighthouse-intro {
  max-width: 540px;
  margin: 0;
  color: rgba(8, 8, 8, 0.72);
  font-size: 18px;
  line-height: 2.05;
}

.lighthouse-home-link {
  position: relative;
  display: block;
  height: 560px;
  border-radius: 36px;
  outline: none;
  transition: transform 220ms ease;
}

.lighthouse-home-link:hover {
  transform: translateY(-4px);
}

.lighthouse-home-link:focus-visible {
  outline: 3px solid #f6c500;
  outline-offset: 8px;
}

.lighthouse-beam {
  position: absolute;
  top: 146px;
  right: 122px;
  width: 356px;
  height: 184px;
  background:
    linear-gradient(90deg, rgba(250, 226, 124, 0.84), rgba(250, 226, 124, 0.08) 78%);
  clip-path: polygon(0 50%, 100% 6%, 100% 94%);
  filter: blur(1px);
  opacity: 0.92;
  transform-origin: left center;
  animation: lighthouse-beam-sweep 8.4s ease-in-out infinite;
}

.lighthouse-doodle {
  position: absolute;
  right: 8px;
  bottom: 26px;
  width: 288px;
  height: 402px;
}

.lighthouse-doodle span {
  position: absolute;
  display: block;
}

.lighthouse-disc {
  left: 8px;
  top: 36px;
  width: 236px;
  height: 236px;
  background: #ffffff;
  border: 3px solid #080808;
  border-radius: 50%;
}

.lighthouse-disc::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 88px;
  height: 70px;
  background:
    radial-gradient(circle at 28px 16px, rgba(8, 8, 8, 0.2) 0 1px, transparent 2px),
    radial-gradient(circle at 42px 28px, rgba(8, 8, 8, 0.16) 0 1px, transparent 2px),
    radial-gradient(circle at 54px 10px, rgba(8, 8, 8, 0.14) 0 1px, transparent 2px);
  opacity: 0.55;
}

.lighthouse-wave {
  left: 6px;
  width: 238px;
  border-radius: 50%;
}

.lighthouse-wave-back {
  top: 166px;
  height: 52px;
  background: #ebedf0;
  border-top: 3px solid #080808;
  transform: rotate(-7deg);
}

.lighthouse-wave-front {
  top: 188px;
  height: 66px;
  background: #d7dce2;
  border-top: 3px solid #080808;
  transform: rotate(-5deg);
}

.lighthouse-rock {
  background: #ffffff;
  border: 3px solid #080808;
  clip-path: polygon(8% 100%, 24% 40%, 42% 62%, 60% 26%, 78% 58%, 100% 100%);
}

.lighthouse-rock-left {
  right: 54px;
  bottom: 68px;
  width: 58px;
  height: 48px;
}

.lighthouse-rock-right {
  right: 8px;
  bottom: 66px;
  width: 88px;
  height: 60px;
}

.lighthouse-top {
  top: 78px;
  right: 8px;
  width: 104px;
  height: 64px;
  background: #ffffff;
  border: 3px solid #080808;
  border-radius: 12px 12px 10px 10px;
}

.lighthouse-room {
  top: 92px;
  right: 44px;
  width: 20px;
  height: 18px;
  background: #f6d25c;
  border: 3px solid #080808;
  border-radius: 6px;
  box-shadow: 0 0 18px rgba(249, 213, 119, 0.72);
}

.lighthouse-body {
  right: 22px;
  bottom: 54px;
  width: 72px;
  height: 186px;
  background: #ffffff;
  border: 3px solid #080808;
  border-radius: 0 0 16px 16px;
}

.lighthouse-body::before,
.lighthouse-body::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 22px;
  background: #ffffff;
}

.lighthouse-body::before {
  top: 48px;
}

.lighthouse-body::after {
  top: 106px;
}

.lighthouse-rail {
  top: 136px;
  right: 2px;
  width: 118px;
  height: 10px;
  border-top: 3px solid #080808;
  border-bottom: 3px solid #080808;
}

.lighthouse-rail::before,
.lighthouse-rail::after {
  content: "";
  position: absolute;
  top: -7px;
  bottom: -7px;
  width: 3px;
  background: #080808;
}

.lighthouse-rail::before {
  left: 18px;
  box-shadow: 16px 0 0 #080808, 32px 0 0 #080808, 48px 0 0 #080808, 64px 0 0 #080808, 80px 0 0 #080808, 96px 0 0 #080808;
}

.lighthouse-stripe {
  right: 22px;
  width: 72px;
  height: 22px;
  background: #ffffff;
  border-top: 3px solid #080808;
  border-bottom: 3px solid #080808;
}

.lighthouse-stripe-1 {
  top: 202px;
}

.lighthouse-stripe-2 {
  top: 260px;
}

.lighthouse-roof {
  top: 52px;
  right: 24px;
  width: 44px;
  height: 28px;
  background: #ffffff;
  border: 3px solid #080808;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.lighthouse-door {
  right: 44px;
  bottom: 54px;
  width: 18px;
  height: 50px;
  background: #ffffff;
  border: 3px solid #080808;
  border-radius: 10px 10px 4px 4px;
}

.lighthouse-journey {
  position: relative;
  display: grid;
  gap: 196px;
  padding: 72px 0 240px;
}

.lighthouse-journey::before {
  content: "";
  position: absolute;
  top: -40px;
  bottom: 80px;
  left: 50%;
  width: 1px;
  background:
    linear-gradient(180deg, rgba(8, 8, 8, 0.18), rgba(255, 255, 255, 0.18));
  transform: translateX(-50%);
  opacity: 0.42;
}

.lighthouse-module {
  position: relative;
  width: min(500px, 100%);
  padding: 40px 40px 42px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.18));
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 22px;
  box-shadow:
    0 14px 40px rgba(15, 23, 42, 0.08),
    0 2px 10px rgba(15, 23, 42, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.34);
  backdrop-filter: blur(18px) saturate(120%);
}

.lighthouse-module::before {
  content: "";
  position: absolute;
  top: 42px;
  width: 52px;
  height: 1px;
  background: currentColor;
  opacity: 0.12;
}

.lighthouse-module.is-left {
  justify-self: start;
}

.lighthouse-module.is-left::before {
  right: -72px;
}

.lighthouse-module.is-right {
  justify-self: end;
}

.lighthouse-module.is-right::before {
  left: -72px;
}

.lighthouse-step {
  margin: 0 0 20px;
  color: rgba(8, 8, 8, 0.38);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.24em;
}

.lighthouse-module h2 {
  margin: 0 0 22px;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 0.98;
  font-family: var(--font-cjk);
  font-weight: 900;
}

.lighthouse-module p:last-child {
  margin: 0;
  color: rgba(8, 8, 8, 0.68);
  font-size: 16px;
  line-height: 2.02;
}

.lighthouse-module:nth-child(4),
.lighthouse-module:nth-child(5) {
  background:
    linear-gradient(180deg, rgba(25, 34, 47, 0.42), rgba(8, 12, 20, 0.28));
  color: #f3f5f7;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow:
    0 18px 48px rgba(0, 0, 0, 0.2),
    0 2px 10px rgba(0, 0, 0, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.lighthouse-module:nth-child(4) .lighthouse-step,
.lighthouse-module:nth-child(5) .lighthouse-step,
.lighthouse-module:nth-child(4) p:last-child,
.lighthouse-module:nth-child(5) p:last-child {
  color: rgba(243, 245, 247, 0.72);
}

@keyframes lighthouse-beam-sweep {
  0%,
  100% {
    transform: rotate(-6deg) scaleX(0.96);
    opacity: 0.72;
  }

  50% {
    transform: rotate(5deg) scaleX(1.02);
    opacity: 0.96;
  }
}

@keyframes secret-caret-blink {
  0%,
  48% {
    opacity: 1;
  }

  49%,
  100% {
    opacity: 0;
  }
}

@keyframes secret-error-glitch {
  0%,
  100% {
    transform: translateX(-50%) translate3d(0, 0, 0);
  }

  8% {
    transform: translateX(-50%) translate3d(-10px, 2px, 0) skewX(-8deg);
  }

  16% {
    transform: translateX(-50%) translate3d(9px, -1px, 0) skewX(6deg);
  }

  24% {
    transform: translateX(-50%) translate3d(-14px, 1px, 0) skewX(-10deg);
  }

  36% {
    transform: translateX(-50%) translate3d(8px, 0, 0) skewX(5deg);
  }

  48% {
    transform: translateX(-50%) translate3d(-5px, -2px, 0) skewX(-4deg);
  }

  68% {
    transform: translateX(-50%) translate3d(4px, 1px, 0) skewX(3deg);
  }
}

@keyframes secret-error-flicker {
  0% {
    opacity: 0;
    filter: brightness(2.2);
  }

  10% {
    opacity: 0.95;
    filter: brightness(2.8);
  }

  14% {
    opacity: 0.18;
    filter: brightness(1.2);
  }

  22% {
    opacity: 1;
    filter: brightness(2.4);
  }

  28% {
    opacity: 0.34;
    filter: brightness(1.1);
  }

  42% {
    opacity: 0.92;
    filter: brightness(2);
  }

  58% {
    opacity: 0.46;
    filter: brightness(1.3);
  }

  76% {
    opacity: 1;
    filter: brightness(1.7);
  }

  100% {
    opacity: 1;
    filter: brightness(1);
  }
}

.back-link {
  display: inline-block;
  width: fit-content;
  margin-bottom: 56px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--black);
  color: var(--black);
  line-height: 1.35;
}

.sub-shell {
  width: min(var(--max-width), calc(100% - 44px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 126px 0 80px;
}

.sub-shell h1 {
  margin-bottom: 22px;
}

.sub-shell > .kicker {
  margin-bottom: 18px;
}

.sub-lede {
  max-width: 760px;
  margin-bottom: 36px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.report-gate {
  margin-top: 18px;
}

.report-list {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.report-row {
  position: relative;
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  min-height: 122px;
  padding: 22px 30px;
  color: var(--black);
  background:
    linear-gradient(135deg, transparent 0 18px, var(--paper) 18px) top left,
    linear-gradient(225deg, transparent 0 28px, var(--paper) 28px) top right,
    linear-gradient(315deg, transparent 0 18px, var(--paper) 18px) bottom right,
    linear-gradient(45deg, transparent 0 28px, var(--paper) 28px) bottom left;
  background-size: 51% 51%;
  background-repeat: no-repeat;
  border: 4px solid var(--black);
  outline: 2px solid var(--black);
  box-shadow: 10px 10px 0 rgba(8, 8, 8, 0.12);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.report-row::after {
  content: ">";
  position: absolute;
  right: 20px;
  bottom: 14px;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  color: var(--white);
  background: var(--black);
  font-weight: 900;
}

.report-row:hover {
  transform: translateY(-4px);
  box-shadow: 14px 14px 0 rgba(255, 255, 255, 0.24);
  box-shadow: 14px 14px 0 rgba(8, 8, 8, 0.18);
}

.report-year {
  font-size: 28px;
  font-weight: 900;
}

.report-title {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.5;
}

.chunithm-reports-page .report-row {
  grid-template-columns: 108px minmax(0, 1fr);
  column-gap: 18px;
}

.charter-browser {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  margin-top: 28px;
}

.charter-list,
.charter-detail {
  border: 2px solid var(--black);
  background: var(--panel-solid);
}

.charter-list {
  display: grid;
  align-content: start;
}

.charter-button {
  appearance: none;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 18px;
  color: var(--white);
  color: var(--black);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.charter-button:hover,
.charter-button.is-active {
  color: var(--white);
  background: var(--black);
}

.charter-count {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.charter-button:hover .charter-count,
.charter-button.is-active .charter-count {
  color: #d7d7d7;
}

.charter-detail {
  min-height: 420px;
  padding: 26px;
}

.charter-detail h2 {
  margin-bottom: 10px;
}

.charter-detail > p {
  max-width: 720px;
  color: var(--muted);
  line-height: 1.8;
}

.mini-report-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.mini-report {
  padding: 18px;
  color: var(--black);
  background: var(--white);
  border: 1px solid var(--black);
  text-decoration: none;
  transition:
    background 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.mini-report:hover {
  color: var(--white);
  background: var(--black);
  transform: translateX(4px);
}

.mini-report strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.mini-report span {
  display: block;
  color: #444;
  line-height: 1.7;
}

.mini-report:hover span {
  color: #d7d7d7;
}

.article-page {
  background:
    linear-gradient(135deg, rgba(8, 8, 8, 0.04) 25%, transparent 25%) 0 0 / 28px 28px,
    linear-gradient(225deg, rgba(8, 8, 8, 0.04) 25%, transparent 25%) 0 0 / 28px 28px,
    var(--white);
}

.article-shell {
  width: min(var(--max-width), calc(100% - 44px));
  margin: 0 auto;
  padding: 108px 0 80px;
}

.source-line {
  margin: 0 0 26px;
  padding: 14px 18px;
  color: var(--black);
  background: var(--paper);
  border: 2px solid var(--black);
  font-size: 15px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.source-line a,
.article-source-link a,
.link-board a,
.toc-grid a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.report-article {
  background: var(--paper);
  border: 2px solid var(--black);
  padding: 34px;
}

.report-article h1 {
  max-width: 920px;
  font-size: 72px;
}

.article-hero-img {
  display: block;
  width: 100%;
  height: auto;
  margin: 28px 0 34px;
  border: 2px solid var(--black);
}

.article-source-link {
  margin: -14px 0 34px;
  padding-left: 12px;
  border-left: 4px solid var(--black);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.article-source-link a {
  color: var(--black);
  font-weight: 800;
}

.series-part-heading {
  margin-top: 24px;
  padding: 30px 26px;
  background:
    linear-gradient(135deg, rgba(8, 8, 8, 0.06) 25%, transparent 25%) 0 0 / 18px 18px,
    var(--paper);
  border: 2px solid var(--black);
}

.series-part-heading h2 {
  font-size: 42px;
}

.series-doc-title {
  margin: 22px 0 30px;
  padding: 16px 18px;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-cjk);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.7;
}

.report-card-meta {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 12px;
  background: var(--black);
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.6;
}

.doc-image-figure {
  margin: 24px 0 28px;
}

.doc-image-figure img {
  display: block;
  width: min(100%, 720px);
  height: auto;
  margin: 0 auto;
  background: var(--paper);
  border: 2px solid var(--black);
}

.ongeki-bright-report-page .doc-image-figure img {
  width: min(100%, 420px);
}

.article-block {
  padding: 34px 0;
  border-top: 2px solid var(--black);
}

.article-block h2 {
  margin-bottom: 18px;
  font-size: 38px;
}

.article-block p {
  max-width: 820px;
  color: var(--black);
  font-size: 17px;
  line-height: 1.95;
}

.link-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.link-board h2 {
  grid-column: 1 / -1;
}

.link-board a,
.toc-grid a {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--black);
  font-weight: 700;
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.image-grid img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  background: var(--white);
  border: 2px solid var(--black);
}

.speaker-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.speaker-list h2 {
  grid-column: 1 / -1;
}

.speaker-card {
  padding: 20px;
  border: 1px solid var(--black);
  background: var(--white);
}

.speaker-card h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.speaker-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.article-with-progress {
  position: relative;
}

.long-report-page .report-article {
  max-width: 860px;
  margin-right: auto;
}

.official-like-report {
  font-family: var(--font-cjk);
}

.official-like-report h1 {
  font-size: 44px;
  line-height: 1.22;
}

.article-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.article-topbar .back-link {
  margin-bottom: 0;
}

.language-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-width: 206px;
  border: 2px solid var(--black);
  background: var(--paper);
}

.language-toggle button {
  appearance: none;
  min-height: 48px;
  padding: 0 18px;
  color: var(--black);
  background: transparent;
  border: 0;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.language-toggle button + button {
  border-left: 2px solid var(--black);
}

.language-toggle button.is-active {
  color: var(--white);
  background: var(--black);
}

.lang-block {
  display: none;
}

body[data-lang="zh"] .lang-zh,
body[data-lang="ja"] .lang-ja {
  display: block;
}

.official-like-report .article-hero-img {
  margin-bottom: 30px;
}

.official-intro h2,
.plain-toc h2,
.report-section h2 {
  width: fit-content;
  margin: 0 auto 34px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--black);
  font-size: 28px;
  line-height: 1.2;
  text-align: center;
}

.plain-toc {
  padding: 54px 0 80px;
  border-top: 1px solid var(--black);
  border-bottom: 1px solid var(--black);
}

.plain-toc nav {
  display: grid;
  gap: 8px;
  justify-items: start;
  max-width: 360px;
}

.official-bright-toc nav {
  max-width: 420px;
  margin: 0 auto;
}

.official-bright-toc .toc-part-label {
  text-align: left;
}

.toc-part-label {
  width: 100%;
  margin: 20px 0 4px;
  color: var(--black);
  font-family: var(--font-cjk);
  font-weight: 900;
}

.plain-toc a {
  color: #ff1f62;
  font-size: 16px;
  line-height: 1.45;
}

.plain-toc a:hover {
  color: var(--black);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.penguin-secret-page .report-article {
  max-width: 920px;
}

.penguin-secret-page .floating-progress {
  width: 292px;
}

body.penguin-secret-bilingual[data-lang="zh"] .lang-block.lang-ja,
body.penguin-secret-bilingual[data-lang="zh"] .section-text.lang-block.lang-ja {
  display: none;
}

.penguin-secret-toc nav {
  width: min(100%, 100%);
  max-width: none;
  margin: 0 auto;
  gap: 10px;
}

.penguin-secret-toc .penguin-toc-link {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-items: start;
  column-gap: 14px;
  color: #ff1f62;
  font-size: 15px;
  line-height: 1.38;
  letter-spacing: -0.01em;
}

.penguin-secret-toc .toc-episode-tag {
  white-space: nowrap;
  font-weight: 900;
}

.penguin-secret-toc .toc-entry-title {
  min-width: 0;
  text-wrap: pretty;
}

.report-section {
  padding: 58px 0 62px;
  border-bottom: 1px solid var(--black);
  scroll-margin-top: 92px;
}

.section-image {
  display: block;
  width: min(100%, 700px);
  max-height: 520px;
  object-fit: contain;
  margin: 0 auto 44px;
}

.section-text {
  color: var(--black);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.95;
}

.section-text p {
  max-width: none;
  margin: 0 0 24px;
  color: var(--black);
}

.human-translation-source {
  margin-bottom: 24px;
  padding: 10px 14px;
  background: rgba(8, 8, 8, 0.06);
  border-left: 4px solid var(--black);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.human-translation-source a {
  color: var(--black);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.report-subheading {
  margin-top: 30px;
  margin-bottom: 12px;
  font-weight: 900;
}

.greeting-entry {
  padding: 26px 0 30px;
  border-top: 1px solid rgba(8, 8, 8, 0.12);
  scroll-margin-top: 92px;
}

.greeting-entry:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.greeting-entry:last-of-type {
  padding-bottom: 0;
}

.greeting-entry h3 {
  margin: 0 0 18px;
  color: var(--black);
  font-size: 26px;
  line-height: 1.3;
}

.greeting-entry .section-text p {
  margin-bottom: 18px;
}

.missing-translation-note {
  padding: 16px 18px;
  background: rgba(8, 8, 8, 0.06);
  border: 2px dashed var(--black);
  color: var(--muted);
  font-weight: 800;
}

body[data-lang="ja"] .section-text,
body[data-lang="ja"] .official-like-report {
  font-family: "Noto Sans JP", "Noto Sans SC", sans-serif;
}

.pdf-link-line {
  margin-top: 18px;
}

.pdf-link-line a {
  color: #ff1f62;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.floating-progress {
  position: fixed;
  top: 92px;
  right: max(18px, calc((100vw - var(--max-width)) / 2 - 150px));
  z-index: 12;
  display: grid;
  width: 264px;
  max-height: calc(100vh - 124px);
  padding: 10px;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--black);
  box-shadow: 6px 6px 0 rgba(8, 8, 8, 0.12);
  backdrop-filter: blur(10px);
}

.floating-progress strong {
  margin: 0 0 8px;
  font-size: 15px;
}

.floating-progress a {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.3;
  border-left: 3px solid transparent;
}

.floating-progress a.is-active {
  color: var(--black);
  background: #c9f1d4;
  border-left-color: #24b35a;
}

.floating-progress span {
  color: inherit;
  font-size: 12px;
}

.greeting-progress {
  gap: 10px;
  padding: 12px;
}

.greeting-progress .floating-progress-group {
  display: grid;
  gap: 0;
  border: 1px solid rgba(8, 8, 8, 0.08);
  background: rgba(255, 255, 255, 0.78);
}

.greeting-progress .floating-progress-group.is-current {
  border-color: rgba(36, 179, 90, 0.38);
  box-shadow: inset 0 0 0 1px rgba(36, 179, 90, 0.14);
}

.greeting-progress .floating-progress-group-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px;
  align-items: stretch;
}

.greeting-progress .floating-progress-link {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-width: 0;
}

.greeting-progress .floating-progress-link span:last-child {
  font-size: 15px;
  font-weight: 700;
}

.greeting-progress .floating-progress-link.is-active,
.greeting-progress .floating-progress-group.is-current .floating-progress-link {
  color: var(--black);
  background: #c9f1d4;
  border-left-color: #24b35a;
}

.greeting-progress .floating-progress-toggle {
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-left: 1px solid rgba(8, 8, 8, 0.08);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.greeting-progress .floating-progress-toggle:hover {
  color: var(--black);
  background: rgba(8, 8, 8, 0.04);
}

.greeting-progress .floating-progress-caret {
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 12px solid currentColor;
  transition: transform 180ms ease;
}

.greeting-progress .floating-progress-group.is-expanded .floating-progress-caret {
  transform: rotate(180deg);
}

.greeting-progress .floating-progress-children {
  display: grid;
  gap: 4px;
  max-height: 0;
  padding: 0 8px 0 18px;
  overflow: hidden;
  opacity: 0;
  border-left: 3px solid transparent;
  transition: max-height 220ms ease, opacity 160ms ease, padding 220ms ease, border-color 160ms ease;
}

.greeting-progress .floating-progress-group.is-expanded .floating-progress-children {
  max-height: 220px;
  padding: 8px 8px 10px 18px;
  overflow-y: auto;
  opacity: 1;
  border-left-color: rgba(36, 179, 90, 0.28);
}

.greeting-progress .floating-progress-child {
  display: block;
  padding: 7px 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  border-left: 2px solid transparent;
  text-wrap: pretty;
}

.greeting-progress .floating-progress-child:hover {
  color: var(--black);
  background: rgba(8, 8, 8, 0.04);
}

.greeting-progress .floating-progress-child.is-active {
  color: var(--black);
  background: rgba(201, 241, 212, 0.78);
  border-left-color: #24b35a;
}

.article-sticky-bar {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  z-index: 18;
  display: grid;
  padding: 0;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-110%);
  transition: opacity 180ms ease, transform 180ms ease;
}

.article-sticky-bar.is-visible {
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
}

.article-sticky-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 100%;
  min-height: 66px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.94);
  border: 2px solid var(--black);
  box-shadow: 6px 6px 0 rgba(8, 8, 8, 0.14);
  backdrop-filter: blur(12px);
}

.article-sticky-inner .language-toggle {
  min-width: 0;
  width: auto;
  justify-self: end;
}

.article-sticky-inner .language-toggle button {
  min-width: 86px;
  padding: 0 16px;
}

.long-report-page .article-sticky-inner {
  width: 100%;
}

.article-sticky-back {
  display: grid;
  place-items: center;
  min-height: 48px;
  padding: 0 16px;
  color: var(--white);
  background: var(--black);
  border: 2px solid var(--black);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.2;
}

.article-sticky-title {
  min-width: 0;
  justify-self: center;
  overflow: hidden;
  color: var(--black);
  font-family: var(--font-cjk);
  font-size: 16px;
  font-weight: 900;
  line-height: 1.35;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-sticky-language {
  min-width: 206px;
}

.article-sticky-language:empty {
  min-width: 0;
}

.back-to-top-button {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 18;
  width: 52px;
  height: 52px;
  color: var(--white);
  background: var(--black);
  border: 2px solid var(--black);
  box-shadow: 6px 6px 0 rgba(8, 8, 8, 0.16);
  font: inherit;
  font-size: 18px;
  font-weight: 900;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease, background 160ms ease, color 160ms ease;
}

.back-to-top-button.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top-button:hover {
  color: var(--black);
  background: var(--white);
}

@media (max-width: 1180px) {
  .long-report-page .report-article {
    max-width: none;
  }

  .floating-progress {
    position: sticky;
    top: 74px;
    width: 100%;
    max-height: 260px;
    margin-bottom: 18px;
    right: auto;
  }

  .greeting-progress .floating-progress-group.is-expanded .floating-progress-children {
    max-height: 172px;
  }

  .article-sticky-bar {
    top: 68px;
  }

  .long-report-page .article-sticky-inner {
    width: 100%;
  }
}

@media (max-width: 820px) {
  .lighthouse-hero {
    grid-template-columns: 1fr;
    gap: 12px;
    min-height: auto;
    padding: 112px 0 72px;
  }

  .lighthouse-intro {
    max-width: 100%;
    font-size: 17px;
  }

  .lighthouse-home-link {
    height: 320px;
  }

  .lighthouse-beam {
    top: 96px;
    right: 58px;
    width: 260px;
    height: 140px;
  }

  .lighthouse-doodle {
    right: -4px;
    bottom: -2px;
    transform: scale(0.82);
    transform-origin: bottom right;
  }

  .lighthouse-journey {
    gap: 112px;
    padding: 40px 0 148px;
  }

  .lighthouse-journey::before {
    left: 18px;
    transform: none;
  }

  .lighthouse-module,
  .lighthouse-module.is-left,
  .lighthouse-module.is-right {
    justify-self: stretch;
    width: auto;
    margin-left: 28px;
    padding: 34px 30px 36px;
  }

  .lighthouse-module::before,
  .lighthouse-module.is-left::before,
  .lighthouse-module.is-right::before {
    top: 38px;
    left: -40px;
    right: auto;
    width: 28px;
  }

  .site-header {
    padding-inline: 18px;
  }

  .site-nav {
    display: none;
  }

  .hero {
    min-height: 86vh;
  }

  .hero-image {
    background-size: auto 62%;
    background-repeat: no-repeat;
    background-position: center 92px;
  }

  .hero-content {
    width: calc(100% - 36px);
    padding-bottom: 42px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .home-hero {
    min-height: 82vh;
  }

  .home-hero-frame {
    width: calc(100% - 36px);
    grid-template-columns: 1fr;
    margin-top: 86px;
  }

  .home-hero h1 {
    font-size: 50px;
  }

  .home-hero-panel {
    min-height: 220px;
  }

  .home-module-grid .module-card,
  .home-module-grid .module-card:nth-child(2),
  .home-module-grid .module-card:nth-child(3),
  .home-module-grid .module-card:hover,
  .home-module-grid .module-card:nth-child(2):hover,
  .home-module-grid .module-card:nth-child(3):hover {
    transform: none;
  }

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

  h1 {
    font-size: 58px;
  }

  h2 {
    font-size: 36px;
  }

  .section-heading {
    display: block;
  }

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

  .module-card {
    min-height: 210px;
  }

  .profile-card-home {
    padding: 24px 22px;
  }

  .profile-card-home-top {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .profile-card-home-avatar {
    width: 108px;
    height: 108px;
  }

  .profile-card-home-name {
    font-size: 30px;
  }

  .profile-card-home-links {
    flex-direction: column;
  }

  .profile-pill {
    width: 100%;
    justify-content: space-between;
  }

  .site-footer {
    width: calc(100% - 36px);
    flex-direction: column;
    align-items: flex-start;
  }

  .sub-shell {
    width: calc(100% - 36px);
    padding-top: 104px;
  }

  .report-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px;
  }

  .chunithm-reports-page .report-row {
    grid-template-columns: 88px minmax(0, 1fr);
    column-gap: 12px;
    align-items: center;
    padding-right: 54px;
  }

  .charter-browser {
    grid-template-columns: 1fr;
  }

  .article-shell {
    width: calc(100% - 36px);
    padding-top: 96px;
  }

  .report-article {
    padding: 22px;
  }

  .report-article h1 {
    font-size: 46px;
  }

  .link-board,
  .toc-grid,
  .image-grid,
  .speaker-list {
    grid-template-columns: 1fr;
  }

  .image-grid img {
    height: auto;
  }

  .official-like-report h1 {
    font-size: 34px;
  }

  .article-topbar {
    display: grid;
  }

  .language-toggle {
    width: 100%;
    min-width: 0;
  }

  .article-sticky-inner {
    grid-template-columns: auto 1fr;
    gap: 8px;
  }

  .article-sticky-language {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
  }

  .article-sticky-inner .language-toggle {
    width: 100%;
  }

  .article-sticky-inner .language-toggle button {
    min-width: 0;
  }

  .article-sticky-title {
    font-size: 13px;
    justify-self: end;
  }

  .back-to-top-button {
    right: 18px;
    bottom: 18px;
  }

  .official-intro h2,
  .plain-toc h2,
  .report-section h2 {
    font-size: 24px;
  }

  .greeting-entry h3 {
    font-size: 22px;
  }

  .greeting-progress .floating-progress-link span:last-child {
    font-size: 14px;
  }

  .greeting-progress .floating-progress-child {
    font-size: 12px;
  }

  .penguin-secret-page .floating-progress {
    width: 100%;
  }

  .penguin-secret-toc .penguin-toc-link {
    column-gap: 10px;
    font-size: 14px;
    line-height: 1.42;
  }

  .section-text {
    font-size: 16px;
  }
}

@media (max-width: 460px) {
  .lighthouse-hero,
  .lighthouse-journey {
    width: calc(100% - 24px);
  }

  .lighthouse-hero {
    padding-top: 94px;
  }

  .lighthouse-hero h1 {
    font-size: 72px;
  }

  .lighthouse-home-link {
    height: 262px;
  }

  .lighthouse-beam {
    top: 92px;
    right: 40px;
    width: 196px;
    height: 112px;
  }

  .lighthouse-doodle {
    right: -26px;
    bottom: -8px;
    transform: scale(0.68);
  }

  .lighthouse-module,
  .lighthouse-module.is-left,
  .lighthouse-module.is-right {
    margin-left: 18px;
    padding: 28px 22px 30px;
  }

  .lighthouse-module h2 {
    margin-bottom: 16px;
    font-size: 30px;
  }

  .lighthouse-module p:last-child {
    font-size: 15px;
    line-height: 1.9;
  }

  .brand {
    font-size: 15px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  h1 {
    font-size: 46px;
  }

  .secret-terminal {
    padding: 22px 18px;
  }

  .secret-terminal-line {
    font-size: clamp(28px, 7vw, 44px);
    white-space: normal;
  }

  .secret-terminal-error {
    top: 74vh;
    width: min(100% - 36px, 540px);
    font-size: clamp(22px, 5vw, 30px);
  }

  .secret-home-link {
    top: 14px;
    left: 14px;
    width: 48px;
    height: 48px;
    font-size: 28px;
  }

  .secret-terminal-hint,
  .secret-terminal-error {
    letter-spacing: 0.1em;
  }

  h2 {
    font-size: 32px;
  }

  .module-card h3 {
    font-size: 28px;
  }
}

.secret-font-preview-page {
  min-height: 100vh;
  margin: 0;
  padding: 48px 24px 72px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 34%),
    #020202;
  color: #f5f5f5;
}

.secret-font-preview-header {
  width: min(1120px, 100%);
  margin: 0 auto 36px;
}

.secret-font-preview-header h1 {
  margin: 0 0 12px;
  font-family: var(--font-cjk);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
}

.secret-font-preview-header p {
  margin: 0;
  max-width: 720px;
  color: rgba(245, 245, 245, 0.62);
  font-size: 15px;
  line-height: 1.8;
}

.secret-font-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 20px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.secret-font-preview-card {
  position: relative;
  padding: 24px 22px 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
}

.secret-font-preview-card.is-active {
  border-color: rgba(246, 197, 0, 0.72);
  box-shadow: 0 0 0 1px rgba(246, 197, 0, 0.18);
}

.secret-font-preview-badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(246, 197, 0, 0.16);
  color: #f6c500;
  font-family: var(--font-cjk);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.secret-font-preview-name {
  margin: 0 0 6px;
  font-family: var(--font-cjk);
  font-size: 18px;
  font-weight: 700;
}

.secret-font-preview-note {
  margin: 0 0 18px;
  color: rgba(245, 245, 245, 0.52);
  font-size: 13px;
  line-height: 1.7;
}

.secret-font-preview-sample {
  display: grid;
  gap: 14px;
}

.secret-font-preview-line {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.55;
  letter-spacing: 0.02em;
  text-shadow: 0 0 14px rgba(255, 255, 255, 0.16);
}

.secret-font-preview-prompt {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.5;
}

.secret-font-preview-hint {
  margin: 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.secret-font-preview-error {
  margin: 0;
  color: #ff667d;
  font-size: clamp(18px, 2.5vw, 26px);
  line-height: 1.35;
  text-shadow:
    -1px 0 rgba(255, 70, 110, 0.55),
    1px 0 rgba(255, 255, 255, 0.22);
}

.secret-font-preview-card[data-font="zen-kurenaido"] .secret-font-preview-line,
.secret-font-preview-card[data-font="zen-kurenaido"] .secret-font-preview-prompt,
.secret-font-preview-card[data-font="zen-kurenaido"] .secret-font-preview-hint,
.secret-font-preview-card[data-font="zen-kurenaido"] .secret-font-preview-error {
  font-family: "Zen Kurenaido", "Noto Sans JP", cursive;
}

.secret-font-preview-card[data-font="klee-one"] .secret-font-preview-line,
.secret-font-preview-card[data-font="klee-one"] .secret-font-preview-prompt,
.secret-font-preview-card[data-font="klee-one"] .secret-font-preview-hint,
.secret-font-preview-card[data-font="klee-one"] .secret-font-preview-error {
  font-family: "Klee One", "Noto Sans JP", cursive;
}

.secret-font-preview-card[data-font="yuji-boku"] .secret-font-preview-line,
.secret-font-preview-card[data-font="yuji-boku"] .secret-font-preview-prompt,
.secret-font-preview-card[data-font="yuji-boku"] .secret-font-preview-hint,
.secret-font-preview-card[data-font="yuji-boku"] .secret-font-preview-error {
  font-family: "Yuji Boku", "Noto Sans JP", cursive;
}

.secret-font-preview-card[data-font="yuji-syuku"] .secret-font-preview-line,
.secret-font-preview-card[data-font="yuji-syuku"] .secret-font-preview-prompt,
.secret-font-preview-card[data-font="yuji-syuku"] .secret-font-preview-hint,
.secret-font-preview-card[data-font="yuji-syuku"] .secret-font-preview-error {
  font-family: "Yuji Syuku", "Noto Sans JP", cursive;
}

.secret-font-preview-card[data-font="hachi-maru-pop"] .secret-font-preview-line,
.secret-font-preview-card[data-font="hachi-maru-pop"] .secret-font-preview-prompt,
.secret-font-preview-card[data-font="hachi-maru-pop"] .secret-font-preview-hint,
.secret-font-preview-card[data-font="hachi-maru-pop"] .secret-font-preview-error {
  font-family: "Hachi Maru Pop", "Noto Sans JP", cursive;
}

.secret-font-preview-footer {
  width: min(1120px, 100%);
  margin: 28px auto 0;
  color: rgba(245, 245, 245, 0.48);
  font-size: 13px;
  line-height: 1.8;
}

.secret-font-preview-footer a {
  color: #f6c500;
}