/* ================================================
   Foundation – Variables
================================================ */ :root {
  --c-black: #000000;
  --c-bg: #06060f;
  --c-white: #ffffff;
  --c-cyan: #00dcff;
  --c-cyan-dim: rgba(0, 220, 255, 0.15);
  --c-cyan-glow: rgba(0, 220, 255, 0.8);
  --c-red: #d20001;
  --c-red-glow: rgba(210, 0, 1, 0.6);
  --c-teal: #003a43;
  --c-card: #252424;
  --c-feat: #393939;
  --c-text: #ffffff;
  --c-text-sub: rgba(255, 255, 255, 0.7);
  --c-border: rgba(255, 255, 255, 0.15);
  --font: 'Noto Sans JP', 'Hiragino Kaku Gothic Pro', Meiryo, sans-serif;
  --header-h: 60px;
  --ease: 0.25s ease;
  --ease-fast: 0.12s ease;
}
/* ================================================
   Foundation – Reset
================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  background-color: var(--c-black);
  color: var(--c-text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  list-style: none;
}
button {
  border: none;
  background: none;
  cursor: pointer;
  font: inherit;
}
@media (min-width: 441px) and (max-width: 768px) {
  .l-main, .l-footer {
    max-width: 390px;
    margin-inline: auto;
  }
  .l-header__inner {
    max-width: 390px;
    margin-inline: auto;
  }
}
:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}
/* ================================================
   Layout – Header
================================================ */
.l-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background-color: transparent;
}
.l-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 15px;
}
.l-header__logo a {
  display: block;
}
.l-header__logo img {
  height: 35px;
  width: auto;
}
/* ================================================
   Layout – Nav overlay
================================================ */
.l-nav {
  position: fixed;
  inset: 0;
  z-index: 90;
  visibility: hidden;
  pointer-events: none;
}
.l-nav.is-open {
  visibility: visible;
  pointer-events: auto;
}
.l-nav__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  transition: opacity var(--ease);
}
.l-nav.is-open .l-nav__backdrop {
  opacity: 1;
}
.l-nav__panel {
  position: absolute;
  top: 68px;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  width: calc(100vw - 40px);
  background: var(--c-black);
  border: 2px solid var(--c-white);
  border-radius: 10px;
  padding: 0 0 69px;
  opacity: 0;
  transition: opacity var(--ease), transform var(--ease);
  max-height: calc(100vh - 80px);
  max-height: calc(100dvh - 80px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.l-nav.is-open .l-nav__panel {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.l-nav__panel-head {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
  padding: 20px 20px 0 0;
  flex-shrink: 0;
}
.l-nav__close {
  width: 24px;
  height: 24px;
  transition: opacity var(--ease);
}
.l-nav__close:hover {
  opacity: 0.7;
}
/* Nav list */
.l-nav__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  width: 100%;
}
.l-nav__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: transform var(--ease);
}
.l-nav__link:hover {
  transform: scale(1.03);
}
.l-nav__link-img {
  margin-bottom: -19px;
}
.l-nav__link-img img {
  margin: 0 auto;
}
.l-nav__link-ja {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--c-white);
}
.l-nav__link-divider {
  display: block;
  width: 220px;
  height: 1px;
  margin-top: 6px;
  background: linear-gradient(90deg, rgba(0, 220, 255, 0) 0%, var(--c-cyan) 20%, var(--c-cyan) 80%, rgba(0, 220, 255, 0) 100%);
}
.l-nav__cta {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: 20px;
  padding: 20px;
  align-self: center;
  width: 100%;
}
.l-nav__cta-sub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  max-width: 280px;
  width: 100%;
}
.l-nav__cta-note {
  font-size: 10px;
  font-weight: 500;
  line-height: 10px;
  color: var(--c-white);
  text-align: center;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.9);
  white-space: nowrap;
}
/* Nav app download */
.l-nav__download {
  text-align: center;
  padding: 0 20px;
}
.l-nav__download-label {
  font-size: 0.875rem;
  margin-bottom: 10px;
}
.l-nav__badges {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 280px;
  gap: calc(22 / 280 * 100%);
  margin: 0 auto;
}
.l-nav__badges a {
  display: block;
  transition: opacity var(--ease);
  flex-shrink: 0;
}
.l-nav__badges a:hover {
  opacity: 0.7;
}
.sp-menu-apple-link {
  width: calc(109 / 280 * 100%);
}
.sp-menu-google-link {
  width: calc(135 / 280 * 100%);
}
.l-nav__badges img {
  display: block;
  width: 100%;
  height: auto;
}
/* ================================================
   Layout – Footer
================================================ */
.l-footer {
  background: var(--c-black);
  padding: 20px 0;
  text-align: center;
}
.l-footer__social {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}
.l-footer__social-link {
  transition: opacity var(--ease);
}
.l-footer__social-link:hover {
  opacity: 0.7;
}
.l-footer__nav {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 20px;
}
.l-footer__nav-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 16px;
}
.l-footer__nav-link {
  font-size: 0.625rem;
  color: var(--c-white);
  transition: opacity var(--ease);
}
.l-footer__nav-link:hover {
  opacity: 0.7;
}
.l-footer__divider {
  margin: 0 auto 10px;
  border-top: solid 1px #545454;
}
.l-footer__copy {
  padding-top: 10px;
  font-size: 0.6875rem;
  color: var(--c-white);
}
/* ================================================
   Component – Buttons
================================================ */
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-right: 10px;
  border-radius: 80px;
  font-size: 1.125rem;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: transform var(--ease), box-shadow var(--ease);
  text-align: center;
  position: relative;
}
.c-btn::after {
  position: absolute;
  content: "";
  display: block;
  width: 12px;
  height: 10px;
  background: url(../images/btn-arrow.svg);
  background-size: contain;
  right: 20px;
}
.c-btn:hover {
  transform: scale(1.03);
}
.c-btn--primary {
  background: linear-gradient(180deg, var(--c-red) 0%, rgba(210, 0, 1, 0.2) 100%);
  border: 1px solid var(--c-red);
  color: var(--c-white);
  box-shadow: 0 0 10px var(--c-red);
}
.c-btn--primary:hover {
  box-shadow: 0 0 12px var(--c-red-glow);
}
.c-btn--secondary {
  background: linear-gradient(180deg, #00acc4 0%, rgba(0, 172, 196, 0.2) 100%);
  border: 1px solid var(--c-cyan);
  color: var(--c-white);
  box-shadow: 0 0 5px var(--c-cyan-glow);
}
.c-btn--secondary:hover {
  box-shadow: 0 0 14px var(--c-cyan-glow);
}
.c-btn--hero {
  width: 300px;
  height: 54px;
}
.c-btn--nav {
  max-width: 280px;
  width: 100%;
  padding: 15px 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 16px;
  white-space: nowrap;
  gap: 10px;
}
.c-btn__label {
  flex: 1 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}
.c-btn__arrow {
  flex-shrink: 0;
  display: block;
}
/* ================================================
   Component – Menu Button
================================================ */
.c-menu-btn {
  border: 1px solid var(--c-cyan);
  border-radius: 40px;
  background-color: var(--c-cyan);
  color: var(--c-black);
  padding: 8px 18px;
  font-size: 1.125rem;
  font-weight: 700;
  width: 80px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 5px var(--c-cyan);
  transition: background-color var(--ease-fast), color var(--ease-fast);
}
.c-menu-btn:hover, .c-menu-btn.is-active {
  background-color: transparent;
  color: var(--c-cyan);
}
/* ================================================
   Component – Phone Mockup
================================================ */
.p-phone-mock {
  position: relative;
  width: 182px;
  height: 369px;
  flex-shrink: 0;
}
.p-phone-mock__screen {
  position: absolute;
  left: 7px;
  top: 2px;
  width: 168px;
  height: 364px;
  object-fit: cover;
  border-radius: 22px;
}
.p-phone-mock__frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}
/* ================================================
   Project – Hero
================================================ */
.p-hero {
  position: relative;
  background-color: var(--c-black);
  padding-top: var(--header-h);
  /* visual height = 485px KV + content below */
}
.p-hero__title-marquee {
  position: absolute;
  top: calc(var(--header-h) + 14px);
  left: 0;
  right: 0;
  height: 45px;
  z-index: 2;
  background-image: url('../images/hero-title.webp');
  background-repeat: repeat-x;
  background-size: auto 45px;
  background-position-y: center;
  animation: titleScroll 24s linear infinite;
}
@keyframes titleScroll {
  0% {
    background-position-x: 0;
  }
  100% {
    background-position-x: -390px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .p-hero__title-marquee {
    animation: none;
  }
}
.p-hero__kv {
  position: relative;
  width: 100%;
  height: 175.385vw;
  overflow: hidden;
  line-height: 0;
  background-image: url(../images/bg-hero.webp);
  background-size: 205vw auto;
  background-position: -56.41vw -3.59vw;
  background-repeat: no-repeat;
}
.p-hero__inner {
  position: absolute;
  bottom: 30.256vw;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px
}
.p-hero__catch {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-shadow: 0 0 15px rgba(0, 0, 0, 1);
}
.p-hero__price-box {
  position: relative;
  display: inline-block;
  padding: 4px 3px 4px 12px;
}
.p-hero__price-box::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px; /* strokeWeight */
  background: linear-gradient(90deg, rgb(0, 220, 255), rgb(109, 70, 123), rgb(255, 0, 0));
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}
.p-hero__price {
  font-weight: 700;
  font-size: 16px;
  line-height: 22px;
  letter-spacing: 0.05em;
  color: #fff;
  text-align: center;
  /* シャドウ */
  text-shadow: 0 0 10px red;
}
.p-hero__kv-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}
.p-hero__body {
  position: relative;
  background: var(--c-black);
}
.p-hero__cta-box {
  position: absolute;
  bottom: 10.26vw;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 330px;
}
.p-hero__softbank {
  background-color: var(--c-teal);
  width: 100%;
  display: flex;
  justify-content: center;
}
.p-hero__softbank-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 30px 0;
  width: 390px;
}
.p-hero__sb-image {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
}
/* ================================================
   Project – Marquee Wave
================================================ */
.p-wave {
  overflow: hidden;
  height: 98px;
  box-sizing: content-box;
  position: relative;
  background-color: var(--c-black);
}
.p-wave--top {
  padding-top: 50px;
}
.p-wave--bottom {
  padding: 50px 0 40px;
}
.p-wave__track {
  display: flex;
  animation: waveScroll 40s linear infinite;
  width: 776px;
  height: 98px;
}
.p-wave__track img {
  height: 98px;
  width: 776px;
  max-width: none;
  flex-shrink: 0;
}
@keyframes waveScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}
/* ================================================
   Project – ABOUT
================================================ */
.p-about {
  padding: 50px 0 40px;
  background-color: var(--c-black);
}
.p-about__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 20px;
  position: relative;
}
.p-about__title-img {
  margin-bottom: -27px;
}
.p-about__title-img img {
  margin: 0 auto;
}
.p-about__title-ja {
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 1);
  position: relative;
  z-index: 1;
}
.p-about__intro-wrap {
  padding: 0 30px;
  max-width: 390px;
  margin: 0 auto;
}
.p-about__intro {
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--c-white);
  position: relative;
  display: inline-block;
  padding: 0.2em 0.5em;
}
.p-about__intro::before, .p-about__intro::after {
  content: "";
  position: absolute;
  top: 0;
  width: 0.6em;
  height: 100%;
  pointer-events: none;
  box-sizing: border-box;
}
.p-about__intro::before {
  left: 0;
  border-left: 1px solid var(--c-cyan);
  border-top: 1px solid var(--c-cyan);
  border-bottom: 1px solid var(--c-cyan);
}
.p-about__intro::after {
  right: 0;
  border-right: 1px solid var(--c-cyan);
  border-top: 1px solid var(--c-cyan);
  border-bottom: 1px solid var(--c-cyan);
}
.p-about__func-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  margin: 50px 0 30px;
}
.p-about__func-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-white);
  text-align: center;
  text-shadow: 0 0 10px var(--c-cyan);
  letter-spacing: 0.125em;
}
.p-about__func-divider {
  width: 360px;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 220, 255, 0) 0%, var(--c-cyan) 40%, var(--c-cyan) 60%, rgba(0, 220, 255, 0) 100%);
}
.p-about__cards {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 25px;
  width: 100%;
  padding: 0 15px 5px;
  position: relative;
}
.p-about__cards::before {
  content: '';
  position: absolute;
  right: 4px;
  top: 0;
  bottom: 0;
  width: 330px;
  border-left: 2px solid rgba(255, 255, 255, 0.3);
  pointer-events: none;
}
@property --card-angle {
  syntax: "<angle>";
  initial-value: 173deg;
  inherits: false;
}
.p-feature-card {
  --card-angle: 173deg;
  width: 100%;
  background:
    linear-gradient(#252424, #252424) padding-box, linear-gradient(var(--card-angle), #01DCFF 0%, #6D467B 50%, #FF0000 100%) border-box;
  border: 3px solid transparent;
  box-shadow: 4px 5px 0 #005866;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  overflow: hidden;
  position: relative;
  z-index: 2;
  transition: --card-angle 0.45s ease;
}
.p-feature-card:has(.p-feature-card__toggle[aria-expanded="true"]) {
  --card-angle: 145deg;
}
.p-feature-card__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 23px;
  width: 100%;
  padding: 25px 15px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: var(--c-white);
  font-family: var(--font);
  transition: background-color var(--ease-fast);
}
.p-feature-card__toggle:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}
.p-feature-card__info {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 1;
  min-width: 0;
}
.p-feature-card__icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--c-white);
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.p-feature-card__text {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.p-feature-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1;
}
.p-feature-card__desc {
  font-size: 0.8125rem;
  color: var(--c-white);
  line-height: 1;
  white-space: nowrap;
}
.p-feature-card__arrow {
  position: relative;
  width: 25px;
  height: 25px;
  flex-shrink: 0;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}
.p-feature-card__arrow::before, .p-feature-card__arrow::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background-color: #fff;
  transform: translate(-50%, -50%) rotate(0deg);
  transition: transform var(--ease);
}
.p-feature-card__arrow::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.p-feature-card__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
}
.p-feature-card__toggle[aria-expanded="true"] + .p-feature-card__body {
  max-height: 600px;
}
.p-feature-card__toggle[aria-expanded="true"] .p-feature-card__arrow::after {
  transform: translate(-50%, -50%) rotate(0deg);
}
.p-feature-card__divider {
  width: 100%;
  padding-top: 8px;
}
.p-feature-card__divider img {
  margin: 0 auto;
}
.p-feature-card__phone {
  display: flex;
  justify-content: center;
  padding: 20px 0 25px;
}
.p-feature-card__phones-scroll {
  width: 354px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-block: 25px;
}
.p-feature-card__phones-track {
  display: flex;
  gap: 30px;
  overflow-x: auto;
  padding: 0 88px;
  width: 100%;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  cursor: grab;
  user-select: none;
}
.p-feature-card__phones-track:active {
  cursor: grabbing;
}
.p-feature-card__phones-track.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
}
.p-feature-card__phones-track::-webkit-scrollbar {
  display: none;
}
.p-feature-card__phones-track > .p-phone-mock {
  scroll-snap-align: center;
}
.p-feature-card__dots {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
  margin-top: 17px;
}
.p-feature-card__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.35);
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: background-color var(--ease-fast), transform var(--ease-fast);
}
.p-feature-card__dot:hover {
  background-color: rgba(255, 255, 255, 0.6);
}
.p-feature-card__dot.is-active {
  background-color: var(--c-cyan);
  box-shadow: 0 0 6px var(--c-cyan-glow);
  transform: scale(1.1);
}
.p-feature-card__dot:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}
/* ================================================
   Project – FOR YOU
================================================ */
.p-for-you {
  padding: 40px 30px 40px;
  background: var(--c-black);
  overflow: hidden;
}
.p-for-you__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
  position: relative;
}
.p-for-you__title-img {
  margin-bottom: -24px;
}
.p-for-you__title-img img {
  margin: 0 auto;
}
.p-for-you__title-ja {
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 1);
  position: relative;
  z-index: 1;
}
/* 2 × 2 grid */
.p-for-you__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: 40px;
}
.p-for-you__item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.p-for-you__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.p-for-you__label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.4;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 1);
  color: var(--c-white);
}
/* ================================================
   Project – FEATURES
================================================ */
.p-features {
  padding: 40px 0 50px;
  background: var(--c-black);
}
.p-features__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding-inline: 15px;
  margin-bottom: 40px;
  position: relative;
}
.p-features__title-img {
  margin-bottom: -25px;
}
.p-features__title-img img {
  margin: 0 auto;
}
.p-features__title-ja {
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 1);
  position: relative;
  z-index: 1;
}
.p-features__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  width: 100%;
  padding-inline: 30px
}
.p-features__item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 60px;
  background-color: var(--c-feat);
  border-left: 5px solid var(--c-red);
  font-size: 0.875rem;
  font-weight: 700;
  text-align: center;
  color: var(--c-white);
}
/* ================================================
   Project – App Download
================================================ */
.p-app-dl {
  padding: 20px 30px;
  background: var(--c-black);
}
.p-app-dl__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  margin-bottom: 20px;
}
.p-app-dl__label {
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
  text-shadow: 0 0 10px var(--c-cyan);
}
.p-app-dl__divider {
  width: 360px;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 220, 255, 0) 0%, var(--c-cyan) 40%, var(--c-cyan) 60%, rgba(0, 220, 255, 0) 100%);
}
.p-app-dl__content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}
.p-app-dl__qr-row {
  display: flex;
  gap: 25px;
  justify-content: center;
}
.p-app-dl__qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.p-app-dl__qr-caption {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--c-white);
  white-space: nowrap;
}
.p-app-dl__qr-item a {
  transition: opacity var(--ease);
}
.p-app-dl__qr-item a:hover {
  opacity: 0.7;
}
.p-app-dl__req {
  font-size: 0.875rem;
  text-align: center;
  line-height: 1.6;
  color: var(--c-white);
}
.p-app-dl__req small {
  font-size: 0.75rem;
}
/* ================================================
   Project – FAQ
================================================ */
.p-faq {
  padding: 30px 30px;
  background: var(--c-black);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.p-faq__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}
.p-faq__label {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  text-shadow: 0 0 10px var(--c-cyan);
  letter-spacing: 0.125em;
}
.p-faq__divider {
  width: 360px;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 220, 255, 0) 0%, var(--c-cyan) 40%, var(--c-cyan) 60%, rgba(0, 220, 255, 0) 100%);
}
.p-faq__text {
  font-size: 0.875rem;
  color: var(--c-white);
}
.p-faq__icon-link {
  transition: transform var(--ease);
}
.p-faq__icon-link:hover {
  transform: scale(1.08);
}
.p-faq__icon {
  animation: faqBounce 2s ease-in-out infinite;
}
@keyframes faqBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
/* ================================================
   Project 
================================================ */
.p-caution {
  padding: 20px 30px;
  background: var(--c-black);
}
.p-caution__head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  margin-bottom: 20px;
}
.p-caution__label {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  text-shadow: 0 0 10px var(--c-cyan);
  letter-spacing: 0.125em;
}
.p-caution__divider {
  width: 360px;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 220, 255, 0) 0%, var(--c-cyan) 40%, var(--c-cyan) 60%, rgba(0, 220, 255, 0) 100%);
}
.p-caution__list {
  list-style: disc;
  padding-left: 1.25em;
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-width: 330px;
  margin: 0 auto;
}
.p-caution__list li {
  font-size: 0.625rem;
  line-height: 1.6;
  color: var(--c-white);
}
/* ================================================
   Project – Footer CTA
================================================ */
.p-footer-cta {
  position: relative;
  overflow: hidden;
  padding: 40px 0 30px;
  background: var(--c-black);
}
.p-footer-cta__dancer-bg {
  position: absolute;
  top: -47px;
  left: 50%;
  width: 973px;
  height: 648px;
  transform: translateX(calc(-50% + 118.5px));
  pointer-events: none;
}
.p-footer-cta__dancer-img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}
/* Content */
.p-footer-cta__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  padding: 0 30px;
}
.p-footer-cta__catch {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.4;
  letter-spacing: 0.05em;
  text-shadow: 0 0 15px rgba(0, 0, 0, 1);
}
.p-footer-cta__logo {
  display: flex;
  justify-content: center;
  filter: drop-shadow(0 2px 14px rgba(0, 0, 0, 0.7));
}
.p-footer-cta__logo img {
  width: 164px;
  height: 201px;
  max-width: 100%;
  display: block;
}
.p-footer-cta__buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  width: 100%;
}
.p-footer-cta__buttons .c-btn {
  width: 100%;
  height: 54px;
}
.p-footer-cta-btn__wrap {
  width: 100%;
}
.p-footer-cta__note {
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  color: var(--c-white);
  text-shadow: 0 0 10px rgba(0, 0, 0, 1);
  margin-bottom: 10px;
}
/* ================================================
   Utility
================================================ */
.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
/* ================================================
   PC-only DOM (hidden on SP)
================================================ */
.l-pc-bg, .l-pc-left, .l-pc-right {
  display: none;
}
@media (min-width: 441px) {
  .l-pc-bg {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background-color: #000;
    pointer-events: none;
  }
  .l-pc-bg__slide {
    position: absolute;
    inset: 0;
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    will-change: opacity;
  }
  .l-pc-bg__slide.is-active {
    opacity: 1;
  }
  @media (prefers-reduced-motion: reduce) {
    .l-pc-bg__slide {
      transition: none;
    }
  }
  .l-pc-bg__slide[data-bg="1"] {
    background-image: url('../images/bg-pc-01.webp');
  }
  .l-pc-bg__slide[data-bg="2"] {
    background-image: url('../images/bg-pc-02.webp');
  }
  .l-pc-bg__slide[data-bg="3"] {
    background-image: url('../images/bg-pc-03.webp');
  }
  .l-pc-bg__slide[data-bg="4"] {
    background-image: url('../images/bg-pc-04.webp');
  }
  .l-pc-bg__slide[data-bg="5"] {
    background-image: url('../images/bg-pc-05.webp');
  }
  .l-pc-bg__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    pointer-events: none;
  }
  main, .l-footer {
    position: relative;
    z-index: 2;
  }
  .p-hero__kv {
    position: relative;
    width: 100%;
    height: 684px;
    overflow: hidden;
    line-height: 0;
    background-image: url(../images/bg-hero.webp);
    background-size: 800px auto;
    background-position: -220px -14px;
    background-repeat: no-repeat;
  }
  .p-hero__inner {
    position: absolute;
    bottom: 118px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  .p-hero__cta-box {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 330px;
  }
}
/* ================================================
   Responsive – Desktop (≥ 769px)
================================================ */
@media (min-width: 769px) {
  body {
    display: block;
    overflow-x: hidden;
  }
  .l-header {
    display: none;
  }
  :root {
    --pc-gap: 0px;
  }
  main, .l-footer {
    width: 390px;
    margin-left: auto;
    margin-right: calc(300px + var(--pc-gap));
    position: relative;
    z-index: 2;
  }
  .l-footer {
    padding-bottom: 20px;
  }
  .p-footer-cta {
    padding-bottom: 30px;
  }
  .l-pc-left {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
  }
  .l-pc-left__deco {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-repeat: no-repeat;
    background-size: 100% auto;
  }
  .l-pc-left__deco--l {
    background-image: url('../images/bg-deco-left.svg');
    background-position: 10px 10px;
    background-size: min(348px, calc(348 / 1300 * 100vw)) min(349px, calc(349 / 1300 * 100vw));
  }
  .l-pc-left__deco--r {
    background-image: url('../images/bg-deco-right.svg');
    background-position: 100% 100%;
    background-size: min(317px, calc(317 / 1300 * 100vw)) min(369px, calc(369 / 1300 * 100vw));
  }
  .l-pc-left__inner {
    position: absolute;
    top: 0;
    left: 0;
    width: max(0px, calc(100% - 390px - 300px - var(--pc-gap)));
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
  }
  .l-pc-left__logo {
    width: min(324px, calc(100% - 32px), calc(22vh * 405 / 150), calc(324 / 1300 * 100vw));
    max-width: 324px;
    height: auto;
    filter: drop-shadow(0 2px 16px rgba(0, 0, 0, 0.7));
  }
  @media (max-width: 1100px) {
    .l-pc-left__deco--l, .l-pc-left__deco--r, .l-pc-left__logo {
      display: none;
    }
  }
  /* ------------------------------------------------
     PC right rail (persistent menu)
  ------------------------------------------------ */
  .l-pc-right {
    display: flex;
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    height: 100vh;
    z-index: 5;
    flex-direction: column;
    padding: 75px 30px;
    background: linear-gradient(270deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0) 100%);
  }
  .l-pc-right__inner {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 40px;
    width: 220px;
    min-height: 0;
  }
  .l-pc-right__nav {
    display: flex;
    flex-direction: column;
    gap: 30px;
  }
  .l-pc-right__item {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 220px;
    color: var(--c-white);
    text-decoration: none;
    transform-origin: left center;
    transition: transform .5s ease;
  }
  .l-pc-right__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding-left: 10px;
  }
  .l-pc-right__title {
    /* flex: 1 1 0; */
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding-bottom: 12px;
  }
  .l-pc-right__en {
    height: 35px;
    width: auto;
    margin-bottom: -12px;
    filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.9));
  }
  .l-pc-right__ja {
    font-size: 12px;
    font-weight: 700;
    line-height: 12px;
    margin-bottom: -12px;
    color: var(--c-white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
    white-space: nowrap;
  }
  .l-pc-right__arrow {
    width: 31px;
    height: 30px;
    flex-shrink: 0;
    display: block;
    transform: translateY(0);
    transition: transform var(--ease);
  }
  .l-pc-right__item:hover .l-pc-right__arrow {
    transform: translateY(6px);
  }
  .l-pc-right__divider {
    display: block;
    width: 220px;
    height: 2px;
    background: linear-gradient(90deg, var(--c-cyan) 0%, var(--c-cyan) 58.173%, rgba(0, 220, 255, 0) 100%);
  }
  .l-pc-right__cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 20px 0;
  }
  .l-pc-right .c-btn::after {
    right: 15px;
  }
  .l-pc-right__cta-sub {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 220px;
  }
  .c-btn--pc-side {
    display: flex;
    align-items: center;
    justify-content: center;
    ;
    width: 220px;
    height: 45px;
    font-size: 15px;
    white-space: nowrap;
    gap: 10px;
  }
  .l-pc-right__note {
    font-size: 12px;
    font-weight: 500;
    color: var(--c-white);
    text-align: center;
    line-height: 14px;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    gap: 5px;
    justify-content: center;
  }
  .l-pc-right__note-bracket {
    font-size: 24px;
    font-weight: 400;
    line-height: 24px;
    flex-shrink: 0;
  }
  .l-pc-right__note-body {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .l-pc-right__note-body > span {
    white-space: nowrap;
  }
  .l-pc-right__scroll {
    display: flex;
    align-items: center;
    gap: 3px;
    color: var(--c-white);
    margin-top: auto;
    transition: opacity 0.4s, visibility 0.4s;
  }
  .l-pc-right__scroll.is-hidden {
    opacity: 0;
    visibility: hidden;
  }
  .l-pc-right__scroll-label {
    width: 14px;
    height: 41px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.05em;
    line-height: 1;
    white-space: nowrap;
    transform: rotate(-90deg);
  }
  .l-pc-right__scroll-arrow {
    width: 13px;
    height: 75px;
    display: block;
    flex-shrink: 0;
    animation: scrollArrow 1.8s ease-in-out infinite;
  }
  @keyframes scrollArrow {
    0% {
      transform: translateY(-6px);
      opacity: 0.4;
    }
    50% {
      opacity: 1;
    }
    100% {
      transform: translateY(6px);
      opacity: 0.4;
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .l-pc-right__scroll-arrow {
      animation: none;
    }
  }
}
/* ================================================
   Narrow PC (769–1100px) — center main + footer in
   the area left of the right rail (rail still 300px)
================================================ */
@media (min-width: 769px) and (max-width: 1100px) {
  main, .l-footer {
    margin-left: calc((100% - 300px - 390px) / 2);
    margin-right: calc((100% - 300px - 390px) / 2 + 300px);
  }
  .l-header {
    display: block;
  }
  .c-menu-btn {
    display: none;
  }
  .l-header__inner {
    margin-left: calc((100% - 300px - 390px) / 2);
    margin-right: calc((100% - 300px - 390px) / 2 + 300px);
  }
}
/* ================================================
   Wider PC (≥ 1280px) — show full side rails
================================================ */
@media (max-width: 440px) {
  .pc_only {
    display: none;
  }
}