:root {
  --beta-page-max: 1180px;
  --beta-hero-height: 660px;
  --beta-hero-bg-desktop: none;
  --beta-hero-bg-mobile: none;
  --beta-noctar-image: none;
  --beta-ink: #2b2318;
  --beta-muted: #6f6250;
  --beta-paper: #f7efd8;
  --beta-paper-light: #fffaf0;
  --beta-paper-deep: #eadcbf;
  --beta-navy: #0c1728;
  --beta-navy-2: #13233a;
  --beta-navy-3: #1b2f4b;
  --beta-gold: #c49a49;
  --beta-gold-soft: #e4c681;
  --beta-line: #d8c6a2;
  --beta-danger: #9d2b2b;
  --beta-success: #2f6a48;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 94px;
}

body {
  margin: 0;
  color: var(--beta-ink);
  background: #e8dcc3;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", serif;
  line-height: 1.8;
  overflow-x: hidden;
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.beta-header {
  position: relative;
  z-index: 30;
  height: 78px;
  border-bottom: 1px solid rgba(225, 190, 108, 0.22);
  background: rgba(7, 16, 29, 0.97);
  color: #f9f4e8;
}

.beta-header-inner {
  width: min(var(--beta-page-max), calc(100% - 48px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.beta-brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  text-decoration: none;
}

.beta-brand img {
  display: block;
  width: auto;
  height: 50px;
  max-width: 250px;
  object-fit: contain;
}

.beta-local-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(249, 244, 232, 0.74);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.beta-local-nav a {
  position: relative;
  padding: 9px 0;
  text-decoration: none;
  transition:
    color 160ms ease,
    opacity 160ms ease;
}

.beta-local-nav a:hover,
.beta-local-nav a:focus-visible {
  color: var(--beta-gold-soft);
}

.beta-local-nav a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  content: "";
  background: currentColor;
  opacity: 0;
  transform: scaleX(0.7);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.beta-local-nav a:hover::after,
.beta-local-nav a:focus-visible::after {
  opacity: 0.55;
  transform: scaleX(1);
}

.hero {
  position: relative;
  height: var(--beta-hero-height);
  overflow: hidden;
  isolation: isolate;
  color: #fff;
  background: var(--beta-navy);
}

.hero::before {
  position: absolute;
  z-index: -3;
  inset: 0;
  content: "";
  background-image:
    var(--beta-hero-bg-desktop),
    radial-gradient(circle at 13% 18%, rgba(214, 166, 73, 0.16), transparent 28%),
    radial-gradient(circle at 82% 72%, rgba(238, 184, 72, 0.13), transparent 24%),
    linear-gradient(135deg, #071221 0%, #132744 48%, #081526 100%);
  background-repeat: no-repeat;
  background-position:
    center 46%,
    center,
    center,
    center;
  background-size:
    cover,
    auto,
    auto,
    auto;
}

.hero::after {
  position: absolute;
  z-index: -2;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(5, 12, 22, 0.22), rgba(5, 12, 22, 0.04) 62%, rgba(5, 12, 22, 0.2)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(2, 8, 16, 0.38));
  pointer-events: none;
}

.hero-inner {
  position: relative;
  width: min(var(--beta-page-max), calc(100% - 48px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.hero-copy-block {
  position: relative;
  z-index: 3;
  width: min(640px, 58%);
  margin-left: 2%;
  padding: 24px 0;
  text-align: left;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--beta-gold-soft);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.hero h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(44px, 4.2vw, 64px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 0.045em;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.42);
}

.hero h1 span {
  display: block;
  margin-bottom: 8px;
  color: #f5ead0;
  font-size: 0.54em;
  letter-spacing: 0.09em;
}

.subcopy {
  max-width: 620px;
  margin: 24px 0 0;
  color: #fff9ec;
  font-size: clamp(22px, 2.1vw, 30px);
  font-weight: 900;
  line-height: 1.55;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.34);
}

.hero-copy {
  max-width: 610px;
  margin: 16px 0 0;
  color: rgba(247, 242, 231, 0.84);
  font-size: 16px;
  line-height: 1.9;
}

.release {
  display: inline-block;
  margin: 20px 0 0;
  padding: 7px 15px;
  border: 1px solid rgba(227, 195, 117, 0.46);
  border-radius: 999px;
  background: rgba(4, 10, 19, 0.34);
  color: #f3d99b;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.cta {
  display: inline-flex;
  min-height: 58px;
  margin-top: 24px;
  padding: 14px 30px;
  align-items: center;
  justify-content: center;
  border: 1px solid #e1c174;
  border-radius: 10px;
  background: linear-gradient(180deg, #cfaa5d 0%, #a87929 100%);
  box-shadow:
    0 13px 30px rgba(0, 0, 0, 0.28),
    0 0 22px rgba(218, 172, 74, 0.12);
  color: #fff;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 160ms ease,
    filter 160ms ease,
    box-shadow 160ms ease;
}

.cta:hover,
.cta:focus-visible {
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.31),
    0 0 30px rgba(218, 172, 74, 0.18);
}

.cta[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}

.hero-cta {
  min-width: 270px;
  font-size: 17px;
}

.noctar-layer {
  position: absolute;
  z-index: 2;
  right: 2%;
  bottom: 30px;
  width: 290px;
  height: 360px;
  background-image: var(--beta-noctar-image);
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: contain;
  pointer-events: none;
}

.noctar-layer.is-placeholder {
  border: 1px dashed rgba(231, 198, 119, 0.32);
  border-radius: 46% 46% 34% 34%;
  background:
    radial-gradient(circle at 50% 28%, rgba(232, 193, 102, 0.16), transparent 16%),
    radial-gradient(ellipse at 50% 62%, rgba(8, 18, 32, 0.8), rgba(8, 18, 32, 0.18) 60%, transparent 72%);
}

.noctar-layer.is-placeholder::after {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  content: "NOCTAR ART AREA";
  color: rgba(232, 205, 143, 0.46);
  font-family: Georgia, serif;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-align: center;
}

.section-shell {
  width: min(var(--beta-page-max), calc(100% - 48px));
  margin: 0 auto;
}

.benefits-section {
  min-height: 350px;
  padding: 70px 0 76px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.54), rgba(244, 234, 212, 0.82)),
    repeating-linear-gradient(0deg, rgba(105, 79, 35, 0.02) 0 1px, transparent 1px 6px),
    #eee2c8;
  border-bottom: 1px solid rgba(125, 94, 40, 0.16);
}

.section-kicker {
  margin: 0 0 5px;
  color: #9c742f;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.17em;
  text-align: center;
}

.section-title {
  margin: 0;
  color: var(--beta-navy);
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.35;
  letter-spacing: 0.045em;
  text-align: center;
}

.section-lead {
  max-width: 720px;
  margin: 14px auto 0;
  color: var(--beta-muted);
  font-size: 15px;
  text-align: center;
}

.benefit-release {
  margin: 14px 0 0;
  color: #84642d;
  font-size: 14px;
  font-weight: 800;
  text-align: center;
}

.benefit-grid {
  display: grid;
  margin-top: 34px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.benefit-card {
  min-height: 154px;
  padding: 24px 22px;
  border: 1px solid rgba(173, 137, 73, 0.42);
  border-radius: 12px;
  background: rgba(255, 251, 241, 0.86);
  box-shadow: 0 12px 28px rgba(70, 52, 25, 0.08);
}

.benefit-number {
  display: block;
  margin-bottom: 9px;
  color: #a57a2c;
  font-family: Georgia, serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.benefit-card h3 {
  margin: 0;
  color: #182942;
  font-size: 18px;
  line-height: 1.45;
}

.benefit-card p {
  margin: 10px 0 0;
  color: #6e604b;
  font-size: 14px;
  line-height: 1.7;
}

.story-registration-section {
  padding: 88px 0 96px;
  background:
    radial-gradient(circle at 8% 12%, rgba(205, 163, 78, 0.08), transparent 22%),
    linear-gradient(180deg, #101e32 0%, #0b1728 100%);
}

.story-registration-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 38px;
  align-items: start;
}

.parchment-card {
  border: 1px solid #d0b982;
  border-radius: 14px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.34), transparent 30%),
    repeating-linear-gradient(0deg, rgba(106, 76, 30, 0.018) 0 1px, transparent 1px 7px),
    var(--beta-paper-light);
  box-shadow: 0 20px 44px rgba(1, 8, 17, 0.3);
}

.about-card {
  min-height: 560px;
  padding: 46px 42px;
}

.about-card .section-kicker,
.form-card .section-kicker {
  text-align: left;
}

.about-card .section-title,
.form-card .section-title {
  text-align: left;
}

.about-card p {
  margin: 20px 0 0;
  color: #514536;
  font-size: 16px;
}

.about-card .brand-message {
  margin: 30px 0 0;
  padding: 22px 20px;
  border-left: 4px solid var(--beta-gold);
  background: #efe0bd;
  color: #2f2415;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.7;
}

.about-principles {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.about-principles li {
  position: relative;
  padding-left: 24px;
  color: #62533f;
  font-size: 14px;
}

.about-principles li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: #a77d31;
  content: "◆";
  font-size: 10px;
}

.form-card {
  min-height: 720px;
  padding: 44px 40px 38px;
  scroll-margin-top: 96px;
}

.form-intro {
  margin: 14px 0 26px;
  color: var(--beta-muted);
  font-size: 14px;
}

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

.field {
  display: grid;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label,
.consent-label {
  color: #32281c;
  font-weight: 900;
}

.required,
.optional {
  margin-left: 7px;
  font-size: 11px;
  font-weight: 700;
}

.required {
  color: #9b3030;
}

.optional {
  color: #817563;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid #bda985;
  border-radius: 8px;
  background: #fffdf7;
  color: #2c251c;
}

textarea {
  min-height: 128px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--beta-gold);
  outline: 3px solid rgba(190, 145, 61, 0.16);
}

.help {
  color: #786b58;
  font-size: 12px;
}

.consent {
  display: flex;
  gap: 10px;
  margin: 24px 0 0;
  padding: 15px;
  align-items: flex-start;
  border: 1px solid #d0bd98;
  border-radius: 9px;
  background: #f5ecd9;
}

.consent input {
  width: 18px;
  min-height: 18px;
  margin: 5px 0 0;
  flex: 0 0 18px;
}

.honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.submit {
  width: 100%;
  min-height: 56px;
  margin-top: 22px;
  padding: 13px 20px;
  border: 1px solid #1b3150;
  border-radius: 9px;
  background: linear-gradient(180deg, #172b47, #0b1728);
  box-shadow: 0 9px 20px rgba(8, 18, 31, 0.16);
  color: #fff;
  font-weight: 900;
  cursor: pointer;
}

.submit:hover,
.submit:focus-visible {
  filter: brightness(1.08);
}

.submit:disabled {
  opacity: 0.55;
  cursor: wait;
}

.form-state {
  min-height: 26px;
  margin-top: 12px;
  font-weight: 800;
}

.form-state.error {
  color: var(--beta-danger);
}

.loading-state,
.alternate-state {
  padding: 32px 8px;
  text-align: center;
}

.loading-state {
  color: var(--beta-muted);
}

.alternate-state h2 {
  margin: 0;
  color: var(--beta-navy);
  font-size: 30px;
}

.alternate-state p {
  margin: 14px auto 0;
  max-width: 560px;
}

.alternate-state .cta {
  margin-top: 22px;
}

.success-panel {
  padding: 32px;
  border: 1px solid #b1cdb9;
  border-radius: 11px;
  background: #eff7f1;
}

.success-panel h3 {
  margin: 0 0 10px;
  color: #285c3c;
  font-size: 25px;
}

.success-panel p {
  margin: 9px 0 0;
}

.success-panel #successRelease {
  font-weight: 900;
}

.privacy-note {
  margin: 18px 0 0;
  color: #706554;
  font-size: 12px;
}

.founding-section {
  min-height: 370px;
  padding: 74px 0 80px;
  border-top: 1px solid rgba(226, 191, 108, 0.14);
  border-bottom: 1px solid rgba(226, 191, 108, 0.16);
  background:
    radial-gradient(circle at 50% 0%, rgba(214, 170, 79, 0.11), transparent 33%),
    linear-gradient(135deg, #091423 0%, #142640 52%, #081322 100%);
  color: #f8f1df;
}

.founding-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 48px;
  align-items: center;
}

.founding-copy .section-kicker,
.founding-copy .section-title {
  text-align: left;
}

.founding-copy .section-title {
  color: #fff7e5;
}

.founding-copy p {
  margin: 18px 0 0;
  color: rgba(244, 237, 220, 0.78);
  font-size: 16px;
}

.founding-note {
  color: rgba(232, 219, 190, 0.62) !important;
  font-size: 12px !important;
}

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

.founding-benefit {
  min-height: 180px;
  padding: 28px 25px;
  border: 1px solid rgba(220, 182, 92, 0.48);
  border-radius: 12px;
  background: rgba(6, 14, 26, 0.45);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.founding-benefit strong {
  display: block;
  color: #f1d48d;
  font-size: 18px;
  line-height: 1.5;
}

.founding-benefit p {
  margin: 12px 0 0;
  color: rgba(244, 237, 220, 0.76);
  font-size: 14px;
  line-height: 1.75;
}

.beta-footer {
  min-height: 92px;
  padding: 26px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 24px;
  background: #07111e;
  color: rgba(235, 228, 212, 0.67);
  font-size: 13px;
}

.beta-footer a {
  text-decoration: none;
}

.beta-footer a:hover,
.beta-footer a:focus-visible {
  color: var(--beta-gold-soft);
  text-decoration: underline;
}

[hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  :root {
    --beta-hero-height: 720px;
  }

  html {
    scroll-padding-top: 78px;
  }

  .beta-header {
    height: 64px;
  }

  .beta-header-inner {
    width: min(100% - 32px, var(--beta-page-max));
    justify-content: center;
  }

  .beta-brand img {
    height: 44px;
    max-width: 220px;
  }

  .beta-local-nav {
    display: none;
  }

  .hero::before {
    background-image:
      var(--beta-hero-bg-mobile),
      radial-gradient(circle at 18% 18%, rgba(214, 166, 73, 0.16), transparent 28%),
      radial-gradient(circle at 78% 74%, rgba(238, 184, 72, 0.14), transparent 25%),
      linear-gradient(155deg, #071221 0%, #132744 50%, #081526 100%);
    background-position:
      center 48%,
      center,
      center,
      center;
  }

  .hero-inner {
    width: min(100% - 32px, 680px);
    display: block;
  }

  .hero-copy-block {
    width: 100%;
    margin: 0;
    padding: 50px 0 0;
    text-align: center;
  }

  .hero h1 {
    font-size: clamp(38px, 9vw, 50px);
  }

  .subcopy {
    margin-top: 19px;
    font-size: clamp(20px, 5.4vw, 25px);
  }

  .hero-copy {
    max-width: 560px;
    margin: 13px auto 0;
    font-size: 15px;
    line-height: 1.75;
  }

  .release {
    margin-top: 16px;
    font-size: 13px;
  }

  .hero-cta {
    min-width: min(320px, 100%);
    margin-top: 18px;
  }

  .noctar-layer {
    right: 50%;
    bottom: 20px;
    width: 210px;
    height: 260px;
    transform: translateX(50%);
  }

  .section-shell {
    width: min(100% - 32px, 680px);
  }

  .benefits-section {
    min-height: 0;
    padding: 58px 0 64px;
  }

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

  .benefit-card {
    min-height: 146px;
  }

  .story-registration-section {
    padding: 64px 0 70px;
  }

  .story-registration-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-card {
    min-height: 0;
    padding: 38px 34px;
  }

  .form-card {
    min-height: 0;
    padding: 38px 34px 34px;
    scroll-margin-top: 78px;
  }

  .founding-section {
    min-height: 0;
    padding: 62px 0 68px;
  }

  .founding-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 520px) {
  :root {
    --beta-hero-height: 720px;
  }

  .beta-header-inner,
  .hero-inner,
  .section-shell {
    width: min(100% - 28px, 480px);
  }

  .beta-brand img {
    height: 41px;
    max-width: 70vw;
  }

  .hero-copy-block {
    padding-top: 44px;
  }

  .eyebrow {
    font-size: 11px;
  }

  .hero h1 {
    font-size: clamp(34px, 10vw, 41px);
    line-height: 1.2;
  }

  .hero h1 span {
    font-size: 0.58em;
  }

  .subcopy {
    font-size: clamp(19px, 5.8vw, 23px);
    line-height: 1.5;
  }

  .hero-copy {
    font-size: 14px;
  }

  .hero-cta {
    width: min(100%, 330px);
  }

  .noctar-layer {
    bottom: 6px;
    width: 180px;
    height: 224px;
  }

  .section-title {
    font-size: clamp(27px, 8vw, 34px);
  }

  .benefit-grid {
    margin-top: 28px;
    grid-template-columns: 1fr;
  }

  .benefit-card {
    min-height: 0;
    padding: 21px 20px;
  }

  .about-card,
  .form-card {
    padding: 32px 22px;
  }

  .about-card p {
    font-size: 15px;
  }

  .about-card .brand-message {
    font-size: 17px;
  }

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

  .field.full {
    grid-column: auto;
  }

  input,
  select,
  textarea {
    min-height: 50px;
    font-size: 16px;
  }

  textarea {
    min-height: 120px;
  }

  .consent {
    padding: 14px 12px;
  }

  .founding-benefits {
    grid-template-columns: 1fr;
  }

  .founding-benefit {
    min-height: 0;
    padding: 23px 21px;
  }

  .beta-footer {
    min-height: 108px;
    padding: 24px 18px 30px;
    gap: 8px 18px;
  }
}

/* Beta author LP hotfix: keep release dates readable and restore benefit icons. */
.release {
  max-width: 100%;
  font-size: clamp(15px, 1.15vw, 17px) !important;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: normal;
  line-break: strict;
}

body:has(#preRegistrationState:not([hidden])) #releaseCopy {
  display: inline-block;
  max-width: min(100%, 660px);
  padding: 9px 18px;
  color: transparent !important;
  font-size: 0 !important;
  line-height: 0;
  text-align: left;
  white-space: normal;
}

body:has(#preRegistrationState:not([hidden])) #releaseCopy::before {
  display: block;
  content: "先行登録者は9月28日から利用開始\A2026年9月30日 β版一般公開";
  color: #f3d99b;
  font-size: 18px;
  line-height: 1.65;
  white-space: pre-line;
}

.benefit-card:nth-child(1) .benefit-number::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d9b86b' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='16' rx='2'/%3E%3Cpath d='M7 3v4M17 3v4M3 9h18M8 13h3M13 13h3M8 17h3'/%3E%3C/svg%3E");
}

.benefit-card:nth-child(2) .benefit-number::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d9b86b' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='9' r='5'/%3E%3Cpath d='m9 14-2 7 5-3 5 3-2-7M10 9l1.3 1.3L14 7.7'/%3E%3C/svg%3E");
}

@media (max-width: 900px) {
  body:has(#preRegistrationState:not([hidden])) #releaseCopy {
    text-align: center;
  }

  body:has(#preRegistrationState:not([hidden])) #releaseCopy::before {
    font-size: 16px;
  }
}

@media (max-width: 520px) {
  body:has(#preRegistrationState:not([hidden])) #releaseCopy {
    padding: 8px 13px;
    border-radius: 18px;
  }

  body:has(#preRegistrationState:not([hidden])) #releaseCopy::before {
    font-size: 15px;
    line-height: 1.7;
  }
}