:root {
  --header-height-sp: 58px;
  --header-height-pc: 72px;
  --bg: #000;
  --panel: #03070d;
  --panel-2: #07101c;
  --blue: #28329e;
  --blue-light: #4d71db;
  --gold: #d7ae58;
  --line: rgba(215, 174, 88, .38);
  --text: #fff;
  --muted: #c4cad3;
  --green: #06c755;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height-sp) + 12px);
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: #000;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: var(--header-height-sp);
  padding-top: env(safe-area-inset-top);
  background: rgba(0, 0, 0, .94);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  width: min(100%, 1180px);
  height: 100%;
  margin: 0 auto;
  padding: 0 14px;
}

.site-header__brand,
.site-header__makuake {
  display: flex;
  align-items: center;
  min-width: 0;
  text-decoration: none;
}

.site-header__brand img {
  width: auto;
  height: 18px;
}

.site-header__makuake img {
  width: auto;
  height: 30px;
}

.site-header__status {
  margin: 0;
  color: var(--gold);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.35;
  text-align: right;
  white-space: nowrap;
}

.site-shell {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding-top: calc(var(--header-height-sp) + env(safe-area-inset-top));
  overflow: visible;
  background: var(--bg);
}

.hero picture,
.hero img {
  width: 100%;
}


.project-banner-image {
  background: #30349d;
}

.project-banner-image a,
.project-banner-image img {
  display: block;
  width: 100%;
}

.project-banner-image a {
  transition: opacity .25s ease;
}

.project-banner-image a:hover {
  opacity: .88;
}

.project-banner {
  padding: 10px 12px 14px;
  color: #fff;
  text-align: center;
  background: var(--blue);
}

.project-banner__catch {
  margin: 0 0 10px;
  font-size: clamp(13px, 3.6vw, 18px);
  font-weight: 700;
  line-height: 1.5;
}

.project-banner__main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  color: #000;
  background: #fff;
  border-radius: 32px;
}

.project-banner__date {
  color: #e60012;
  font-size: clamp(20px, 5.3vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  white-space: nowrap;
}

.project-banner__launch {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.project-banner__launch img {
  flex: 0 0 auto;
  width: auto;
  height: 28px;
}

.project-banner__launch p {
  margin: 0;
  font-size: clamp(14px, 4vw, 22px);
  font-weight: 600;
  line-height: 1.4;
  text-align: left;
}

.project-banner__launch strong {
  font-size: 1.15em;
}

.project-banner__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
  color: #fff;
  font-size: clamp(18px, 5vw, 27px);
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
}


/* =========================================================
   HERO LINE CTA
========================================================= */
.hero-line-cta {
  position: relative;
  padding: 18px 16px 24px;
  background:
    radial-gradient(circle at 50% 0%, rgba(42, 82, 175, .22), transparent 58%),
    linear-gradient(180deg, #020913 0%, #03070d 100%);
  border-top: 1px solid rgba(255, 255, 255, .08);
  border-bottom: 1px solid rgba(215, 174, 88, .32);
}

.hero-line-cta__inner {
  width: min(100%, 720px);
  margin: 0 auto;
  text-align: center;
}

.makuake-lead {
  max-width: 680px;
  margin: 0 auto 18px;
  padding: 0 4px;
  color: #fff;
  text-align: center;
}

.makuake-lead p {
  margin: 0;
  font-size: clamp(15px, 4.1vw, 22px);
  font-weight: 600;
  line-height: 1.9;
  letter-spacing: .04em;
}

.makuake-lead p + p {
  margin-top: 10px;
}

.makuake-lead span {
  color: var(--gold);
  font-weight: 800;
}

.sp-only {
  display: inline;
}

.hero-line-cta__date {
  margin: 0 0 11px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .05em;
}

.hero-line-button {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 70px;
  padding: 12px 18px;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(17, 39, 78, .98), rgba(2, 14, 31, .98));
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 12px;
  box-shadow:
    0 10px 26px rgba(0, 0, 0, .36),
    inset 0 1px 0 rgba(255, 255, 255, .08);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.hero-line-button::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(6, 199, 85, .48);
  pointer-events: none;
}

.hero-line-button:hover {
  border-color: rgba(255, 255, 255, .5);
  box-shadow:
    0 14px 32px rgba(0, 0, 0, .44),
    0 0 24px rgba(6, 199, 85, .12);
  transform: translateY(-2px);
}

.hero-line-button:active {
  transform: scale(.985);
}

.hero-line-button__mark,
.hero-line-button__text,
.hero-line-button__arrow {
  position: relative;
  z-index: 1;
}

.hero-line-button__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  background: var(--green);
  border-radius: 50%;
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
}

.hero-line-button__text {
  min-width: 0;
  font-size: clamp(14px, 4vw, 19px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: .02em;
  text-align: center;
}

.hero-line-button__arrow {
  width: 11px;
  height: 11px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
}

.hero-line-cta__note {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, .7);
  font-size: 10px;
  line-height: 1.7;
}

.content-section,
.spec-section,
.line-cta {
  position: relative;
  padding: 54px 20px;
  background:
    radial-gradient(circle at 50% 0%, rgba(10, 68, 129, .16), transparent 42%),
    linear-gradient(180deg, #05080d 0%, #020408 100%);
  border-top: 1px solid var(--line);
}

.section-inner {
  width: 100%;
  margin: 0 auto;
}

.section-inner--narrow {
  max-width: 760px;
}

.section-heading {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 24px;
}

.section-no {
  color: var(--blue-light);
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  border-right: 1px solid rgba(77, 113, 219, .55);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
}

.section-heading h2,
.line-cta h2 {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(23px, 6.2vw, 34px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: .03em;
}

.full-image {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, .12);
}

.text-block {
  padding-top: 24px;
}

.text-block p {
  margin: 0 0 1.45em;
  color: #dce1e7;
  font-size: 14px;
  line-height: 2;
  text-align: justify;
}

.text-block h3 {
  margin: 28px 0 10px;
  color: var(--gold);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.55;
}

.spec-list {
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.spec-list > div {
  display: grid;
  grid-template-columns: 35% minmax(0, 1fr);
  border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.spec-list dt,
.spec-list dd {
  margin: 0;
  padding: 14px 10px;
  font-size: 12px;
  line-height: 1.75;
}

.spec-list dt {
  color: var(--gold);
  font-weight: 700;
  border-right: 1px solid rgba(255, 255, 255, .14);
}

.spec-list dd {
  color: #e2e7ec;
}

.line-cta {
  padding-bottom: 64px;
  text-align: center;
}

.line-cta h2 {
  font-size: clamp(25px, 7vw, 38px);
}

.line-cta__text {
  margin: 20px auto 26px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
}

.line-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  min-height: 68px;
  padding: 13px 52px 13px 16px;
  color: #fff;
  background: var(--green);
  border-radius: 7px;
  box-shadow: 0 12px 32px rgba(6, 199, 85, .22);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  transition: opacity .2s ease, transform .2s ease;
}

.line-button:hover {
  opacity: .9;
}

.line-button:active {
  transform: scale(.985);
}

.line-button__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  color: var(--green);
  background: #fff;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 800;
}

.line-button__arrow {
  position: absolute;
  top: 50%;
  right: 22px;
  font-size: 30px;
  font-weight: 400;
  transform: translateY(-53%);
}

.line-cta__note {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, .48);
  font-size: 10px;
  line-height: 1.75;
}


/* Bottom LINE button: match hero CTA */
.line-button {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 12px;
  min-height: 70px;
  padding: 12px 18px;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, rgba(17, 39, 78, .98), rgba(2, 14, 31, .98));
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 12px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, .36), inset 0 1px 0 rgba(255, 255, 255, .08);
}

.line-button::before {
  position: absolute;
  inset: 0;
  content: "";
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(6, 199, 85, .48);
  pointer-events: none;
}

.line-button:hover {
  opacity: 1;
  border-color: rgba(255, 255, 255, .5);
  box-shadow: 0 14px 32px rgba(0, 0, 0, .44), 0 0 24px rgba(6, 199, 85, .12);
  transform: translateY(-2px);
}

.line-button__mark {
  width: 42px;
  height: 42px;
  flex: none;
  color: #fff;
  background: var(--green);
  font-size: 9px;
}

.line-button__text {
  min-width: 0;
  font-size: clamp(14px, 4vw, 18px);
  line-height: 1.45;
  text-align: center;
}

.line-button__arrow {
  position: static;
  width: 11px;
  height: 11px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  font-size: 0;
  transform: rotate(45deg);
}

@media (min-width: 768px) {
  .hero-line-cta {
    padding: 32px 24px 36px;
  }

  .makuake-lead {
    margin-bottom: 24px;
  }

  .sp-only {
    display: none;
  }

  .hero-line-cta__date {
    font-size: 14px;
  }

  .hero-line-button,
  .line-button {
    grid-template-columns: 50px minmax(0, 1fr) 18px;
    min-height: 82px;
    padding: 15px 26px;
  }

  .hero-line-button__mark,
  .line-button__mark {
    width: 50px;
    height: 50px;
    font-size: 10px;
  }

  .hero-line-cta__note {
    font-size: 12px;
  }
}

.site-footer {
  padding: 20px;
  color: rgba(255, 255, 255, .45);
  background: #000;
  font-size: 10px;
  letter-spacing: .08em;
  text-align: center;
}

@media (max-width: 420px) {
  .site-header__inner {
    gap: 8px;
    padding-inline: 10px;
  }

  .site-header__brand img {
    height: 16px;
  }

  .site-header__makuake img {
    height: 28px;
  }

  .site-header__status {
    font-size: 9px;
  }

  .project-banner__main {
    gap: 8px;
    padding-inline: 10px;
  }

  .project-banner__launch img {
    height: 25px;
  }

  .content-section,
  .spec-section,
  .line-cta {
    padding-inline: 16px;
  }

  .section-heading {
    grid-template-columns: 46px minmax(0, 1fr);
  }

  .section-no {
    font-size: 34px;
  }

  .spec-list dt,
  .spec-list dd {
    padding-inline: 8px;
    font-size: 11px;
  }
}

@media (min-width: 768px) {
  html {
    scroll-padding-top: calc(var(--header-height-pc) + 16px);
  }

  .site-header {
    height: var(--header-height-pc);
  }

  .site-header__inner {
    grid-template-columns: 1fr auto auto;
    gap: 22px;
    padding: 0 28px;
  }

  .site-header__brand img {
    height: 24px;
  }

  .site-header__makuake img {
    height: 38px;
  }

  .site-header__status {
    font-size: 12px;
  }

  .site-shell {
    padding-top: calc(var(--header-height-pc) + env(safe-area-inset-top));
  }

  .project-banner {
    padding: 16px 28px 20px;
  }

  .project-banner__main {
    max-width: 900px;
    margin: 0 auto;
    padding: 16px 28px;
    border-radius: 42px;
  }

  .project-banner__launch img {
    height: 34px;
  }

  .content-section,
  .spec-section,
  .line-cta {
    padding: 80px 40px;
  }

  .section-inner {
    max-width: 1080px;
  }

  .content-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 46px;
    align-items: center;
  }

  .content-layout--reverse .content-layout__media {
    order: 2;
  }

  .content-layout--reverse .content-layout__text {
    order: 1;
  }

  .text-block {
    padding-top: 0;
  }

  .text-block p {
    font-size: 15px;
  }

  .section-heading {
    grid-template-columns: 66px minmax(0, 1fr);
    gap: 18px;
    margin-bottom: 34px;
  }

  .section-no {
    font-size: 48px;
  }

  .spec-list > div {
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .spec-list dt,
  .spec-list dd {
    padding: 17px 18px;
    font-size: 14px;
  }

  .line-button {
    width: min(100%, 600px);
    margin: 0 auto;
    font-size: 17px;
  }
}

/* =========================================================
   OPENING ANIMATION
========================================================= */
.opening {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 50% 50%, rgba(32, 95, 220, .24) 0%, rgba(7, 30, 86, .14) 28%, transparent 60%),
    #000;
  opacity: 1;
  visibility: visible;
  transition: opacity .85s ease, visibility .85s ease;
}

.opening.is-hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

body.is-opening {
  overflow: hidden;
}

.opening::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(24vw, 220px);
  aspect-ratio: 1;
  content: "";
  border-radius: 50%;
  background: rgba(40, 105, 255, .42);
  filter: blur(55px);
  opacity: 0;
  transform: translate(-50%, -50%) scale(.45);
  animation: opening-center-glow 2.4s ease-out .25s forwards;
}

.opening__signal {
  position: absolute;
  top: 50%;
  left: 50%;
  aspect-ratio: 1;
  border: 1px solid rgba(75, 135, 255, .24);
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%) scale(.4);
}

.opening__signal--outer {
  width: min(96vw, 1000px);
  animation: opening-signal 2.5s ease-out .3s forwards;
}

.opening__signal--middle {
  width: min(70vw, 720px);
  animation: opening-signal 2.15s ease-out .55s forwards;
}

.opening__signal--inner {
  width: min(42vw, 430px);
  border-color: rgba(108, 164, 255, .3);
  animation: opening-signal 1.8s ease-out .75s forwards;
}

.opening__scan {
  position: absolute;
  top: 50%;
  left: -30%;
  width: 30%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(74, 134, 255, .15), rgba(180, 216, 255, .9), rgba(74, 134, 255, .15), transparent);
  box-shadow: 0 0 10px rgba(61, 126, 255, .65), 0 0 28px rgba(61, 126, 255, .35);
  opacity: 0;
  transform: translateY(-50%);
  animation: opening-scan 1.25s ease 1.25s forwards;
}

.opening__content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(92%, 1080px);
  text-align: center;
}

.opening__logo {
  width: 100%;
  opacity: 0;
  filter: blur(10px);
  transform: translateY(18px) scale(.97);
}

.opening__logo img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.opening__logo--blue {
  animation: opening-title-in .9s cubic-bezier(.2, .72, .2, 1) .55s forwards;
}

.opening__logo--blue img {
  width: min(64vw, 620px);
}

.opening__logo--radio {
  margin-top: 26px;
  animation: opening-title-in .85s cubic-bezier(.2, .72, .2, 1) 1.05s forwards;
}

.opening__logo--radio img {
  width: min(80vw, 820px);
}

.opening__line {
  position: relative;
  width: min(72vw, 620px);
  height: 18px;
  margin: 22px auto 0;
  overflow: visible;
}

.opening__line-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(51, 110, 236, .9) 15%, rgba(183, 216, 255, 1) 50%, rgba(51, 110, 236, .9) 85%, transparent 100%);
  box-shadow: 0 0 7px rgba(80, 139, 255, .9), 0 0 18px rgba(48, 112, 255, .55), 0 0 34px rgba(35, 83, 210, .34);
  transform: translate(-50%, -50%);
  animation: opening-line-grow .9s ease 1.52s forwards;
}

.opening__line::before,
.opening__line::after {
  position: absolute;
  left: 50%;
  width: 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(75, 132, 255, .24), transparent);
  transform: translateX(-50%);
  animation: opening-line-soft 1s ease 1.6s forwards;
}

.opening__line::before { top: 4px; }
.opening__line::after { bottom: 3px; }

.opening__presented {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, .68);
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(9px, 2.4vw, 13px);
  font-weight: 500;
  letter-spacing: .32em;
  opacity: 0;
  transform: translateY(8px);
  animation: opening-presented-in .7s ease 1.92s forwards;
}

@keyframes opening-title-in {
  0% { opacity: 0; filter: blur(10px); transform: translateY(18px) scale(.97); }
  100% { opacity: 1; filter: blur(0); transform: translateY(0) scale(1); }
}

@keyframes opening-center-glow {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(.45); }
  35% { opacity: .75; }
  100% { opacity: .2; transform: translate(-50%, -50%) scale(1.5); }
}

@keyframes opening-signal {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(.4); }
  32% { opacity: .6; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.28); }
}

@keyframes opening-line-grow {
  0% { width: 0; opacity: 0; }
  20% { opacity: 1; }
  100% { width: 100%; opacity: 1; }
}

@keyframes opening-line-soft {
  from { width: 0; opacity: 0; }
  to { width: 88%; opacity: 1; }
}

@keyframes opening-presented-in {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes opening-scan {
  0% { left: -30%; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: .75; }
  100% { left: 100%; opacity: 0; }
}

@media (max-width: 767px) {
  .opening__content {
    width: 94%;
  }

  .opening__logo--blue img {
    width: min(78vw, 520px);
  }

  .opening__logo--radio {
    margin-top: 22px;
  }

  .opening__logo--radio img {
    width: min(92vw, 680px);
  }

  .opening__line {
    width: min(82vw, 540px);
    margin-top: 16px;
  }

  .opening__presented {
    letter-spacing: .24em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .opening__signal,
  .opening__scan,
  .opening__logo,
  .opening__line-core,
  .opening__line::before,
  .opening__line::after,
  .opening__presented,
  .opening::before {
    animation-duration: .01ms !important;
    animation-delay: 0s !important;
  }
}


/* =========================================================
   FINAL FULL-WIDTH MEDIA
========================================================= */
@media (min-width: 768px) {
  .hero,
  .project-banner-image {
    position: relative;
    left: 50%;
    width: 100vw;
    max-width: none;
    margin-left: -50vw;
  }

  .hero picture,
  .hero img,
  .project-banner-image a,
  .project-banner-image picture,
  .project-banner-image img {
    display: block;
    width: 100%;
    max-width: none;
    height: auto;
    margin: 0;
  }
}

/* SP: logos float softly into view */
@media (max-width: 767px) {
  .opening__logo--blue {
    opacity: 0;
    filter: blur(12px);
    transform: translateY(26px) scale(.92);
    animation: opening-logo-float-sp 1.15s cubic-bezier(.22, .8, .25, 1) .4s forwards;
  }

  .opening__logo--radio {
    opacity: 0;
    filter: blur(12px);
    transform: translateY(26px) scale(.92);
    animation: opening-logo-float-sp 1.15s cubic-bezier(.22, .8, .25, 1) 1.08s forwards;
  }
}

@keyframes opening-logo-float-sp {
  0% {
    opacity: 0;
    filter: blur(12px);
    transform: translateY(26px) scale(.92);
  }

  65% {
    opacity: 1;
    filter: blur(2px);
  }

  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0) scale(1);
  }
}
