/* =========================================================
   KUMEN — 共通スタイル
   トーン：大きな見出し・余白・黒/白のセクション切り替え
   ========================================================= */

:root {
  --font:
    -apple-system, BlinkMacSystemFont, "SF Pro JP", "SF Pro Display",
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP",
    "Helvetica Neue", Meiryo, sans-serif;

  --light-bg: #ffffff;
  --light-bg-alt: #f5f5f7;
  --light-fg: #1d1d1f;
  --light-fg-2: #6e6e73;
  --light-line: #d2d2d7;
  --light-link: #0066cc;

  --dark-bg: #000000;
  --dark-bg-alt: #161617;
  --dark-card: #1d1d1f;
  --dark-fg: #f5f5f7;
  --dark-fg-2: #86868b;
  --dark-line: #424245;
  --dark-link: #2997ff;

  --btn: #0071e3;
  --btn-hover: #0077ed;

  --grad-duo: linear-gradient(90deg, #8e9cff 0%, #c58bff 45%, #ffb0d9 100%);
  --grad-home: linear-gradient(90deg, #ff9f5a 0%, #ff6f91 50%, #b77cff 100%);
  --grad-gold: linear-gradient(90deg, #f6d365 0%, #fda085 100%);

  --maxw: 980px;
  --maxw-wide: 1260px;
  --gutter: 22px;
  --radius: 28px;
  --radius-sm: 18px;
  --ease: cubic-bezier(0.28, 0.11, 0.32, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: 0.01em;
  color: var(--light-fg);
  background: var(--light-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--light-link);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

button {
  font: inherit;
  cursor: pointer;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 8px;
  top: -100px;
  z-index: 100;
  padding: 8px 14px;
  border-radius: 8px;
  background: #fff;
  color: #000;
}
.skip-link:focus {
  top: 8px;
}

/* ---------- Layout ---------- */

.container {
  width: 100%;
  max-width: calc(var(--maxw) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--wide {
  max-width: calc(var(--maxw-wide) + var(--gutter) * 2);
}

.section {
  padding: 140px 0;
  position: relative;
}
.section--tight {
  padding: 96px 0;
}

.theme-light {
  background: var(--light-bg);
  color: var(--light-fg);
}
.theme-alt {
  background: var(--light-bg-alt);
  color: var(--light-fg);
}
.theme-dark {
  background: var(--dark-bg);
  color: var(--dark-fg);
  --fg-2: var(--dark-fg-2);
}
.theme-dark-alt {
  background: var(--dark-bg-alt);
  color: var(--dark-fg);
}
.theme-dark a,
.theme-dark-alt a {
  color: var(--dark-link);
}

.center {
  text-align: center;
}

/* ---------- Typography ---------- */

.headline-hero,
.headline,
.headline-sm,
.subhead {
  word-break: auto-phrase;
  line-break: strict;
  font-feature-settings: "palt";
}

.headline-hero {
  font-size: clamp(56px, 11vw, 112px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.headline {
  font-size: clamp(34px, 5.6vw, 64px);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.headline-sm {
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.15;
  font-weight: 700;
}

.subhead {
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.3;
  font-weight: 600;
}

.eyebrow {
  display: block;
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 14px;
  color: var(--light-fg-2);
}
.theme-dark .eyebrow,
.theme-dark-alt .eyebrow {
  color: var(--dark-fg-2);
}
.eyebrow--duo {
  color: #a7a3ff !important;
}
.eyebrow--home {
  color: #ff8a65 !important;
}

.lead {
  font-size: clamp(19px, 2vw, 21px);
  line-height: 1.5;
  font-weight: 600;
  color: var(--light-fg-2);
  max-width: 820px;
}
.lead strong {
  color: var(--light-fg);
  font-weight: 600;
}
.theme-dark .lead,
.theme-dark-alt .lead {
  color: var(--dark-fg-2);
}
.theme-dark .lead strong,
.theme-dark-alt .lead strong {
  color: var(--dark-fg);
}
.center .lead {
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: var(--grad-duo);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.gradient-text--home {
  background-image: var(--grad-home);
}
.gradient-text--gold {
  background-image: var(--grad-gold);
}

.muted {
  color: var(--light-fg-2);
}
.theme-dark .muted,
.theme-dark-alt .muted {
  color: var(--dark-fg-2);
}

sup.fn {
  font-size: 0.6em;
  vertical-align: super;
  line-height: 0;
  margin-left: 1px;
}
sup.fn a {
  color: inherit;
}

/* ---------- Buttons & links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 11px 22px;
  border-radius: 980px;
  border: 1px solid transparent;
  background: var(--btn);
  color: #fff !important;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.17;
  text-decoration: none !important;
  transition:
    background 0.2s var(--ease),
    color 0.2s var(--ease);
  white-space: nowrap;
}
.btn:hover {
  background: var(--btn-hover);
}
.btn--ghost {
  background: transparent;
  border-color: var(--btn);
  color: var(--btn) !important;
}
.btn--ghost:hover {
  background: var(--btn);
  color: #fff !important;
}
.theme-dark .btn--ghost,
.theme-dark-alt .btn--ghost {
  border-color: var(--dark-link);
  color: var(--dark-link) !important;
}
.theme-dark .btn--ghost:hover,
.theme-dark-alt .btn--ghost:hover {
  background: var(--dark-link);
  color: #000 !important;
}
.btn--sm {
  min-height: 28px;
  padding: 4px 12px;
  font-size: 12px;
}
.btn[aria-disabled="true"] {
  background: #86868b;
  border-color: #86868b;
  color: #fff !important;
  pointer-events: none;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  margin-top: 28px;
}
.center .btn-row {
  justify-content: center;
}

.link-arrow {
  font-size: clamp(17px, 1.8vw, 19px);
  white-space: nowrap;
}
.link-arrow::after {
  content: "";
  display: inline-block;
  width: 0.45em;
  height: 0.45em;
  margin-left: 0.3em;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: translateY(-0.08em) rotate(45deg);
}

.pr-label {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid currentColor;
  font-size: 10px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0.7;
  vertical-align: middle;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 980px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.02em;
  background: rgba(127, 127, 127, 0.16);
}
.badge--official {
  background: rgba(48, 209, 88, 0.16);
  color: #1f9d48;
}
.badge--rumor {
  background: rgba(255, 159, 10, 0.18);
  color: #c46a00;
}
.theme-dark .badge--official,
.theme-dark-alt .badge--official {
  color: #30d158;
}
.theme-dark .badge--rumor,
.theme-dark-alt .badge--rumor {
  color: #ffb340;
}

/* ---------- Global nav ---------- */

.gnav {
  position: relative;
  z-index: 60;
  height: 44px;
  background: rgba(22, 22, 23, 0.86);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  color: #e8e8ed;
}
.gnav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.gnav__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #f5f5f7 !important;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-decoration: none !important;
}
.gnav__brand-mark {
  width: 16px;
  height: 16px;
}
.gnav__list {
  display: flex;
  gap: 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.gnav__list a {
  color: #e8e8ed;
  font-size: 12px;
  opacity: 0.88;
}
.gnav__list a:hover,
.gnav__list a[aria-current="page"] {
  opacity: 1;
  text-decoration: none;
  color: #fff;
}
.gnav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-right: -12px;
  border: 0;
  background: transparent;
  color: #e8e8ed;
}
.gnav__toggle span,
.gnav__toggle span::before {
  display: block;
  width: 17px;
  height: 1.5px;
  margin: 0 auto;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s var(--ease);
}
.gnav__toggle span {
  position: relative;
  transform: translateY(-3px);
}
.gnav__toggle span::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 0;
}
.gnav.is-open .gnav__toggle span {
  transform: translateY(2px) rotate(45deg);
}
.gnav.is-open .gnav__toggle span::before {
  transform: translateY(-7px) rotate(-90deg);
}

@media (max-width: 833px) {
  .gnav__toggle {
    display: block;
  }
  .gnav__list {
    position: absolute;
    top: 44px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 12px 40px 32px;
    background: #161617;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition:
      opacity 0.3s var(--ease),
      transform 0.3s var(--ease),
      visibility 0.3s;
  }
  .gnav.is-open .gnav__list {
    visibility: visible;
    opacity: 1;
    transform: none;
  }
  .gnav__list a {
    display: block;
    padding: 10px 0;
    font-size: 24px;
    font-weight: 600;
  }
}

/* ---------- Local (product) nav ---------- */

.lnav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 52px;
  background: rgba(22, 22, 23, 0.72);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #f5f5f7;
}
.lnav--light {
  background: rgba(251, 251, 253, 0.8);
  border-bottom-color: rgba(0, 0, 0, 0.12);
  color: var(--light-fg);
}
.lnav__inner {
  display: flex;
  align-items: center;
  height: 52px;
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.lnav__title {
  margin-right: auto;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: inherit !important;
  text-decoration: none !important;
  white-space: nowrap;
}
.lnav__menu {
  display: flex;
  align-items: center;
  gap: 24px;
}
.lnav__links {
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.lnav__links a {
  color: inherit !important;
  font-size: 12px;
  opacity: 0.8;
  white-space: nowrap;
}
.lnav__links a:hover,
.lnav__links a.is-active {
  opacity: 1;
  text-decoration: none;
}
.lnav__links a.is-active {
  font-weight: 600;
}
.lnav__chevron {
  display: none;
  width: 36px;
  height: 36px;
  margin-right: 6px;
  border: 0;
  background: transparent;
  color: inherit;
}
.lnav__chevron::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  margin: -4px auto 0;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.3s var(--ease);
}
.lnav.is-open .lnav__chevron::before {
  transform: translateY(5px) rotate(-135deg);
}

@media (max-width: 833px) {
  .lnav__title {
    font-size: 19px;
  }
  .lnav__menu {
    gap: 0;
  }
  .lnav__chevron {
    display: block;
  }
  .lnav__links {
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px var(--gutter) 20px;
    background: inherit;
    -webkit-backdrop-filter: inherit;
    backdrop-filter: inherit;
    border-bottom: inherit;
    visibility: hidden;
    opacity: 0;
    transition:
      opacity 0.25s var(--ease),
      visibility 0.25s;
  }
  .lnav.is-open .lnav__links {
    visibility: visible;
    opacity: 1;
  }
  .lnav__links a {
    display: block;
    padding: 12px 0;
    font-size: 17px;
    border-bottom: 1px solid rgba(127, 127, 127, 0.25);
  }
}

/* ---------- Ribbon ---------- */

.ribbon {
  padding: 14px var(--gutter);
  background: var(--light-bg-alt);
  font-size: 14px;
  text-align: center;
  color: var(--light-fg);
}
.ribbon--dark {
  background: var(--dark-bg-alt);
  color: var(--dark-fg);
}
.ribbon--dark a {
  color: var(--dark-link);
}

/* ---------- Hero ---------- */

.hero {
  padding: 72px 0 0;
  overflow: hidden;
  text-align: center;
}
.hero__copy {
  position: relative;
  z-index: 2;
}
.hero__tagline {
  margin-top: 14px;
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  word-break: auto-phrase;
}
.hero__meta {
  margin-top: 18px;
  font-size: clamp(17px, 1.8vw, 21px);
  color: var(--dark-fg-2);
}
.hero__visual {
  position: relative;
  margin-top: 56px;
  padding-bottom: 96px;
}
.hero__glow {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(1100px, 140vw);
  height: 70%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    closest-side,
    rgba(124, 108, 255, 0.35),
    rgba(124, 108, 255, 0) 70%
  );
  filter: blur(20px);
  pointer-events: none;
}
.hero__glow--home {
  background: radial-gradient(
    closest-side,
    rgba(255, 128, 92, 0.32),
    rgba(255, 128, 92, 0) 70%
  );
}

/* ---------- Home: promo tiles ---------- */

.tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 12px;
  background: var(--light-bg);
}
.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 620px;
  padding: 56px var(--gutter) 0;
  overflow: hidden;
  text-align: center;
  border-radius: 0;
}
.tile__title {
  font-size: clamp(40px, 6vw, 56px);
  line-height: 1.07;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.tile__sub {
  margin-top: 8px;
  font-size: clamp(21px, 2.4vw, 28px);
  line-height: 1.2;
  font-weight: 400;
  word-break: auto-phrase;
}
.tile__meta {
  margin-top: 10px;
  font-size: 17px;
  color: var(--dark-fg-2);
}
.tile.theme-light .tile__meta,
.tile.theme-alt .tile__meta {
  color: var(--light-fg-2);
}
.tile .btn-row {
  margin-top: 20px;
  gap: 14px;
}
.tile .btn {
  min-height: 36px;
  padding: 8px 18px;
  font-size: 15px;
}
.tile__visual {
  margin-top: auto;
  padding: 48px 0 56px;
  width: 100%;
  display: flex;
  justify-content: center;
}

@media (min-width: 1069px) {
  .tiles--split {
    grid-template-columns: 1fr 1fr;
  }
  .tiles--split .tile {
    min-height: 580px;
  }
}

/* ---------- Countdown ---------- */

.countdown {
  display: inline-flex;
  align-items: flex-start;
  gap: clamp(14px, 3vw, 32px);
  margin-top: 28px;
  font-variant-numeric: tabular-nums;
}
.countdown__unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 2.2em;
}
.countdown__num {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}
.countdown__label {
  margin-top: 8px;
  font-size: 12px;
  color: var(--dark-fg-2);
  letter-spacing: 0.08em;
}
.theme-light .countdown__label,
.theme-alt .countdown__label {
  color: var(--light-fg-2);
}
.countdown--sm .countdown__num {
  font-size: clamp(28px, 4vw, 40px);
}
.countdown__done {
  display: none;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
}
.countdown.is-done .countdown__unit {
  display: none;
}
.countdown.is-done .countdown__done {
  display: block;
}

/* ---------- Highlights carousel ---------- */

.carousel {
  position: relative;
  margin-top: 56px;
}
.carousel__track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: 0 max(var(--gutter), calc((100vw - var(--maxw)) / 2));
  padding: 0 max(var(--gutter), calc((100vw - var(--maxw)) / 2)) 8px;
  scrollbar-width: none;
}
.carousel__track::-webkit-scrollbar {
  display: none;
}
.hcard {
  position: relative;
  flex: 0 0 clamp(280px, 78vw, 372px);
  height: clamp(480px, 70vw, 600px);
  scroll-snap-align: start;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--dark-card);
  color: var(--dark-fg);
  display: flex;
  flex-direction: column;
}
.theme-light .hcard,
.theme-alt .hcard {
  background: #fff;
  color: var(--light-fg);
}
.hcard__text {
  position: relative;
  z-index: 2;
  padding: 32px 32px 0;
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.25;
  font-weight: 600;
  word-break: auto-phrase;
}
.hcard__text .muted {
  font-weight: 600;
}
.hcard__visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.carousel__controls {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  max-width: calc(var(--maxw) + var(--gutter) * 2);
  margin: 24px auto 0;
  padding: 0 var(--gutter);
}
.paddle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 0;
  background: rgba(210, 210, 215, 0.64);
  color: rgba(0, 0, 0, 0.56);
  display: grid;
  place-items: center;
  transition:
    background 0.2s,
    opacity 0.2s;
}
.theme-dark .paddle,
.theme-dark-alt .paddle {
  background: rgba(66, 66, 69, 0.72);
  color: rgba(255, 255, 255, 0.8);
}
.paddle:disabled {
  opacity: 0.36;
  cursor: default;
}
.paddle::before {
  content: "";
  width: 9px;
  height: 9px;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
  transform: translateX(2px) rotate(-45deg);
}
.paddle--next::before {
  transform: translateX(-2px) rotate(135deg);
}

/* ---------- Generic card grid ---------- */

.grid {
  display: grid;
  gap: 20px;
}
.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
}
.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}
.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}

.card {
  position: relative;
  padding: 36px 32px;
  border-radius: var(--radius);
  background: #fff;
  color: var(--light-fg);
}
.theme-light .card {
  background: var(--light-bg-alt);
}
.theme-dark .card,
.theme-dark-alt .card {
  background: var(--dark-card);
  color: var(--dark-fg);
}
.card__icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
}
.card__title {
  font-size: 21px;
  line-height: 1.25;
  font-weight: 700;
  word-break: auto-phrase;
}
.card__body {
  margin-top: 10px;
  font-size: 17px;
  color: var(--light-fg-2);
}
.theme-dark .card__body,
.theme-dark-alt .card__body {
  color: var(--dark-fg-2);
}
.card__body strong {
  color: var(--light-fg);
  font-weight: 600;
}
.theme-dark .card__body strong,
.theme-dark-alt .card__body strong {
  color: var(--dark-fg);
}
.card__foot {
  margin-top: 18px;
  font-size: 15px;
}
.card .badge {
  margin-bottom: 14px;
}
.card--link {
  display: block;
  text-decoration: none !important;
  transition:
    transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}
.card--link:hover {
  transform: scale(1.012);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

/* ---------- Stats ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 48px 32px;
  margin-top: 72px;
}
.stat__label {
  font-size: 17px;
  font-weight: 600;
  color: var(--dark-fg-2);
}
.theme-light .stat__label,
.theme-alt .stat__label {
  color: var(--light-fg-2);
}
.stat__value {
  display: block;
  margin: 6px 0 4px;
  font-size: clamp(48px, 6vw, 72px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat__value small {
  font-size: 0.42em;
  font-weight: 600;
  letter-spacing: 0;
  margin-left: 2px;
}
.stat__note {
  font-size: 14px;
  color: var(--dark-fg-2);
}
.theme-light .stat__note,
.theme-alt .stat__note {
  color: var(--light-fg-2);
}

/* ---------- Timeline ---------- */

.timeline {
  margin: 56px 0 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--light-line);
}
.theme-dark .timeline,
.theme-dark-alt .timeline {
  border-left-color: var(--dark-line);
}
.timeline__item {
  position: relative;
  padding: 0 0 40px 32px;
}
.timeline__item:last-child {
  padding-bottom: 0;
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--light-line);
}
.timeline__item.is-key::before {
  background: var(--btn);
  box-shadow: 0 0 0 5px rgba(0, 113, 227, 0.18);
}
.timeline__item.is-past {
  opacity: 0.5;
}
.timeline__date {
  font-size: 14px;
  font-weight: 600;
  color: var(--light-fg-2);
  letter-spacing: 0.02em;
}
.theme-dark .timeline__date,
.theme-dark-alt .timeline__date {
  color: var(--dark-fg-2);
}
.timeline__title {
  margin-top: 4px;
  font-size: clamp(21px, 2.4vw, 28px);
  font-weight: 700;
  line-height: 1.25;
}
.timeline__body {
  margin-top: 6px;
  color: var(--light-fg-2);
}
.theme-dark .timeline__body,
.theme-dark-alt .timeline__body {
  color: var(--dark-fg-2);
}

/* ---------- Tables ---------- */

.table-wrap {
  margin-top: 48px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 17px;
}
.table th,
.table td {
  padding: 18px 12px;
  text-align: left;
  border-bottom: 1px solid var(--light-line);
  vertical-align: top;
}
.theme-dark .table th,
.theme-dark .table td,
.theme-dark-alt .table th,
.theme-dark-alt .table td {
  border-bottom-color: var(--dark-line);
}
.table thead th {
  font-size: 14px;
  font-weight: 600;
  color: var(--light-fg-2);
}
.theme-dark .table thead th,
.theme-dark-alt .table thead th {
  color: var(--dark-fg-2);
}
.table td.num,
.table th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.table tbody th {
  font-weight: 600;
}
.table tr.is-highlight td,
.table tr.is-highlight th {
  font-weight: 700;
}

/* ---------- Spec list ---------- */

.specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 0 40px;
  margin-top: 56px;
}
.spec {
  padding: 24px 0;
  border-top: 1px solid var(--light-line);
}
.theme-dark .spec,
.theme-dark-alt .spec {
  border-top-color: var(--dark-line);
}
.spec__k {
  font-size: 14px;
  font-weight: 600;
  color: var(--light-fg-2);
}
.theme-dark .spec__k,
.theme-dark-alt .spec__k {
  color: var(--dark-fg-2);
}
.spec__v {
  margin-top: 6px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
}
.spec__v small {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  font-weight: 400;
  color: var(--light-fg-2);
}
.theme-dark .spec__v small,
.theme-dark-alt .spec__v small {
  color: var(--dark-fg-2);
}

/* ---------- Checklist ---------- */

.checklist {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.checklist li {
  position: relative;
  padding: 20px 24px 20px 60px;
  border-radius: var(--radius-sm);
  background: var(--light-bg-alt);
}
.theme-alt .checklist li {
  background: #fff;
}
.theme-dark .checklist li,
.theme-dark-alt .checklist li {
  background: var(--dark-card);
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 24px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid var(--btn);
}
.checklist li::after {
  content: "";
  position: absolute;
  left: 31px;
  top: 29px;
  width: 5px;
  height: 9px;
  border-right: 1.5px solid var(--btn);
  border-bottom: 1.5px solid var(--btn);
  transform: rotate(45deg);
}
.checklist strong {
  display: block;
  font-size: 19px;
  line-height: 1.35;
}
.checklist span {
  display: block;
  margin-top: 4px;
  font-size: 15px;
  color: var(--light-fg-2);
}
.theme-dark .checklist span,
.theme-dark-alt .checklist span {
  color: var(--dark-fg-2);
}

/* ---------- Steps ---------- */

.steps {
  counter-reset: step;
  margin: 56px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}
.steps > li {
  counter-increment: step;
  position: relative;
  padding: 32px;
  border-radius: var(--radius);
  background: var(--light-bg-alt);
}
.theme-alt .steps > li {
  background: #fff;
}
.theme-dark .steps > li,
.theme-dark-alt .steps > li {
  background: var(--dark-card);
}
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  margin-bottom: 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--btn);
}
.steps__date {
  font-size: 14px;
  font-weight: 600;
  color: var(--light-fg-2);
}
.theme-dark .steps__date,
.theme-dark-alt .steps__date {
  color: var(--dark-fg-2);
}
.steps h3 {
  margin-top: 4px;
  font-size: 24px;
  line-height: 1.25;
}
.steps p {
  margin-top: 10px;
  font-size: 15px;
  color: var(--light-fg-2);
}
.theme-dark .steps p,
.theme-dark-alt .steps p {
  color: var(--dark-fg-2);
}
.steps ul {
  margin: 12px 0 0;
  padding-left: 1.2em;
  font-size: 15px;
  color: var(--light-fg-2);
}
.theme-dark .steps ul,
.theme-dark-alt .steps ul {
  color: var(--dark-fg-2);
}

/* ---------- Store buttons (carriers) ---------- */

.stores {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: 12px;
  margin-top: 40px;
}
.store {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  background: var(--light-bg-alt);
  color: var(--light-fg) !important;
  font-weight: 600;
  text-decoration: none !important;
  transition: background 0.2s;
}
.store:hover {
  background: #e8e8ed;
}
.theme-alt .store {
  background: #fff;
}
.store small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--light-fg-2);
}
.store::after {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-top: 1.5px solid var(--light-fg-2);
  border-right: 1.5px solid var(--light-fg-2);
  transform: rotate(45deg);
}

/* ---------- Simulator ---------- */

.sim {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 56px;
}
@media (min-width: 900px) {
  .sim {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}
.sim__panel {
  padding: 36px 32px;
  border-radius: var(--radius);
  background: #fff;
}
.theme-light .sim__panel {
  background: var(--light-bg-alt);
}
.sim__field + .sim__field {
  margin-top: 32px;
}
.sim__label {
  display: block;
  margin-bottom: 12px;
  font-size: 17px;
  font-weight: 700;
}
.sim__hint {
  margin-top: 8px;
  font-size: 13px;
  color: var(--light-fg-2);
}
.seg {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}
.seg input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.seg label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 10px 6px;
  border-radius: 12px;
  border: 1px solid #86868b;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}
.seg label small {
  margin-top: 3px;
  font-size: 12px;
  font-weight: 400;
  color: var(--light-fg-2);
}
.seg input:checked + label {
  border-color: var(--btn);
  box-shadow: 0 0 0 1px var(--btn);
}
.seg input:focus-visible + label {
  outline: 2px solid var(--btn);
  outline-offset: 2px;
}
@media (max-width: 480px) {
  .seg--4 {
    grid-auto-flow: row;
    grid-template-columns: 1fr 1fr;
  }
}
.input {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid #86868b;
  background: #fff;
  color: var(--light-fg);
  font: inherit;
  font-size: 19px;
  font-variant-numeric: tabular-nums;
}
.input:focus {
  outline: none;
  border-color: var(--btn);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.2);
}
.range {
  width: 100%;
  accent-color: var(--btn);
}
.range-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
.range-row output {
  min-width: 4em;
  text-align: right;
  font-size: 19px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.sim__result {
  position: sticky;
  top: 72px;
  padding: 36px 32px;
  border-radius: var(--radius);
  background: #000;
  color: var(--dark-fg);
}
.sim__result-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark-fg-2);
}
.sim__result-big {
  display: block;
  margin: 6px 0 2px;
  font-size: clamp(44px, 5vw, 60px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.sim__result-big small {
  font-size: 0.4em;
  margin-left: 4px;
}
.sim__rows {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.sim__rows li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--dark-line);
  font-size: 15px;
}
.sim__rows li span:first-child {
  color: var(--dark-fg-2);
}
.sim__rows li span:last-child {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.sim__note {
  margin-top: 20px;
  font-size: 12px;
  color: var(--dark-fg-2);
}

/* ---------- Compare bars ---------- */

.bars {
  margin-top: 48px;
  display: grid;
  gap: 22px;
}
.bar__head {
  display: flex;
  justify-content: space-between;
  font-size: 15px;
  font-weight: 600;
}
.bar__head span:last-child {
  font-variant-numeric: tabular-nums;
}
.bar__track {
  margin-top: 8px;
  height: 10px;
  border-radius: 10px;
  background: rgba(127, 127, 127, 0.18);
  overflow: hidden;
}
.bar__fill {
  height: 100%;
  width: var(--w, 50%);
  border-radius: inherit;
  background: #86868b;
  transform-origin: left;
  transition: transform 1.2s var(--ease);
}
.bar.is-primary .bar__fill {
  background: var(--grad-duo);
}
html.js .bars:not(.is-visible) .bar__fill {
  transform: scaleX(0);
}

/* ---------- FAQ ---------- */

.faq {
  margin-top: 48px;
  border-top: 1px solid var(--light-line);
}
.faq details {
  border-bottom: 1px solid var(--light-line);
}
.faq summary {
  position: relative;
  padding: 24px 48px 24px 0;
  font-size: clamp(19px, 2vw, 21px);
  font-weight: 600;
  line-height: 1.35;
  list-style: none;
  cursor: pointer;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 30px;
  width: 10px;
  height: 10px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.3s var(--ease);
}
.faq details[open] summary::after {
  transform: translateY(5px) rotate(-135deg);
}
.faq__a {
  padding: 0 0 28px;
  color: var(--light-fg-2);
  max-width: 760px;
}

/* ---------- Signup ---------- */

.signup {
  display: grid;
  gap: 32px;
  align-items: center;
  padding: 56px 48px;
  border-radius: var(--radius);
  background: var(--dark-card);
  color: var(--dark-fg);
}
@media (min-width: 900px) {
  .signup {
    grid-template-columns: 1.3fr 1fr;
  }
}
.signup .btn-row {
  margin-top: 0;
}
@media (min-width: 900px) {
  .signup .btn-row {
    justify-content: flex-end;
  }
}

/* ---------- Footer ---------- */

.footer {
  padding: 40px 0 28px;
  background: var(--light-bg-alt);
  color: var(--light-fg-2);
  font-size: 12px;
  line-height: 1.5;
}
.footer a {
  color: #424245;
}
.footer__notes {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--light-line);
}
.footer__notes ol {
  margin: 0;
  padding-left: 1.6em;
}
.footer__notes li + li,
.footer__notes p + p {
  margin-top: 8px;
}
.footer__notes p {
  margin-top: 8px;
}
.footer__nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--light-line);
}
.footer__nav h3 {
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--light-fg);
}
.footer__nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer__nav li + li {
  margin-top: 6px;
}
.footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 20px;
  padding-top: 16px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 20px;
  padding: 0 0 16px;
  list-style: none;
  border-bottom: 1px solid var(--light-line);
}
.breadcrumb li + li::before {
  content: "›";
  margin-right: 6px;
  color: #86868b;
}

/* ---------- Prose (about page) ---------- */

.prose {
  max-width: 720px;
  margin: 0 auto;
}
.prose h2 {
  margin-top: 56px;
  font-size: 28px;
  line-height: 1.25;
}
.prose h2:first-child {
  margin-top: 0;
}
.prose p,
.prose ul {
  margin-top: 16px;
  color: var(--light-fg-2);
}
.prose li + li {
  margin-top: 6px;
}

/* ---------- Reveal animation ---------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 1s var(--ease),
    transform 1s var(--ease);
}
html.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}
html.js .reveal-delay-1 {
  transition-delay: 0.12s;
}
html.js .reveal-delay-2 {
  transition-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 734px) {
  :root {
    --radius: 22px;
  }
  .section {
    padding: 96px 0;
  }
  .section--tight {
    padding: 72px 0;
  }
  .hero {
    padding-top: 48px;
  }
  .tile {
    min-height: 560px;
    padding-top: 44px;
  }
  .card,
  .sim__panel,
  .sim__result {
    padding: 28px 24px;
  }
  .signup {
    padding: 40px 24px;
  }
}

/* ---------- Receipt (home tile) ---------- */

.receipt {
  width: min(420px, 100%);
  text-align: left;
}
.receipt__label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark-fg-2);
  text-align: center;
}
.receipt__big {
  display: block;
  margin: 4px 0 28px;
  font-size: clamp(56px, 7vw, 88px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.receipt__rows {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}
.receipt__rows li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--dark-line);
  color: var(--dark-fg-2);
}
.receipt__rows li > span:last-child {
  color: var(--dark-fg);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.receipt__rows li:last-child {
  color: var(--dark-fg);
  font-weight: 600;
}

/* ---------- Unboxing: 横幅半分の動画（スクロール中も固定）＋チャプター ---------- */

.unbox {
  display: grid;
  gap: 40px;
  margin-top: 64px;
}
@media (min-width: 900px) {
  .unbox {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
  }
  .unbox__media {
    position: sticky;
    top: 84px;
  }
  .unbox--static .unbox__media {
    position: relative;
    top: 0;
  }
  .unbox--static {
    align-items: center;
  }
}

.player {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.player video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.player__badge {
  position: absolute;
  left: 16px;
  top: 16px;
  padding: 5px 12px;
  border-radius: 980px;
  background: rgba(29, 29, 31, 0.72);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #f5f5f7;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.player__toggle {
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(66, 66, 69, 0.72);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #fff;
  display: grid;
  place-items: center;
}
.player__toggle:hover {
  background: rgba(86, 86, 89, 0.85);
}
.player__toggle:focus-visible {
  outline: 2px solid var(--dark-link);
  outline-offset: 3px;
}
/* 再生中＝一時停止アイコン（2本線）、停止中＝再生アイコン（三角） */
.player__toggle::before,
.player__toggle::after {
  content: "";
  display: block;
  grid-area: 1 / 1;
}
.player__toggle::before {
  width: 12px;
  height: 14px;
  border-left: 4px solid currentColor;
  border-right: 4px solid currentColor;
  box-sizing: border-box;
}
.player.is-paused .player__toggle::before {
  width: 0;
  height: 0;
  margin-left: 4px;
  border-left: 13px solid currentColor;
  border-right: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
}
.player__caption {
  margin-top: 14px;
  font-size: 12px;
  color: var(--dark-fg-2);
}

.chapters {
  margin: 0;
  padding: 0;
  list-style: none;
}
.chapter {
  padding: 32px 0;
  border-top: 1px solid var(--dark-line);
  transition: opacity 0.5s var(--ease);
}
.chapter:first-child {
  border-top: 0;
  padding-top: 0;
}
@media (min-width: 900px) {
  html.js .chapter {
    opacity: 0.4;
  }
  html.js .chapter.is-active {
    opacity: 1;
  }
  .chapter {
    min-height: 36vh;
  }
}
.chapter__num {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: var(--grad-duo);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.chapter__title {
  margin-top: 8px;
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.2;
  font-weight: 700;
  word-break: auto-phrase;
}
.chapter__body {
  margin-top: 10px;
  color: var(--dark-fg-2);
  font-size: 17px;
}
.chapter__status {
  display: inline-block;
  margin-top: 14px;
}
.chapter__seek {
  margin-top: 14px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--dark-link);
  font-size: 15px;
}

/* ---------- Mini simulator (home tile) ---------- */

.mini-sim {
  display: grid;
  justify-items: center;
  gap: 32px;
  width: min(440px, 100%);
  margin-block: auto;
  padding-block: 40px 8px;
}
.mini-sim__controls {
  display: grid;
  justify-items: center;
  gap: 12px;
}
.mini-sim .pill-switch {
  flex-wrap: wrap;
  justify-content: center;
}
.mini-sim .pill-switch button {
  min-width: 60px;
  color: var(--dark-fg);
}
.mini-sim .pill-switch button[aria-pressed="true"] {
  color: #1d1d1f;
}
.mini-sim .pill-switch button:focus-visible {
  outline: 2px solid var(--dark-link);
  outline-offset: 2px;
}
.mini-sim .receipt {
  width: 100%;
}
.mini-sim .receipt__big {
  margin-bottom: 20px;
}
.tile__cta {
  margin-bottom: 56px;
}

/* インク版スキン（?skin=ink）の読み込み中はちらつかせない */
html.skin-loading body {
  opacity: 0;
}