:root {
  color-scheme: light;
  --page-width: 1240px;
  --page-x: clamp(22px, 5vw, 72px);
  --paper: #fffaf2;
  --paper-rgb: 255, 250, 242;
  --soft: #f4ead9;
  --ink: #101a28;
  --ink-rgb: 16, 26, 40;
  --muted: #5b6471;
  --accent: #f05a37;
  --accent-rgb: 240, 90, 55;
  --accent-2: #7b3dff;
  --accent-2-rgb: 123, 61, 255;
  --line: rgba(16, 26, 40, 0.14);
  --shadow: 0 28px 80px rgba(16, 26, 40, 0.2);
  --radius: 28px;
  --display-font: "Arial Black", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --body-font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo,
    system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body.theme-iebaku {
  --paper: #fff8e8;
  --paper-rgb: 255, 248, 232;
  --soft: #ffe4b5;
  --ink: #071a2b;
  --ink-rgb: 7, 26, 43;
  --muted: #59616b;
  --accent: #ff5a1f;
  --accent-rgb: 255, 90, 31;
  --accent-2: #7948ff;
  --accent-2-rgb: 121, 72, 255;
  --radius: 8px;
}

body.theme-sushibaku {
  --paper: #fffaf0;
  --paper-rgb: 255, 250, 240;
  --soft: #f2e6cf;
  --ink: #12253b;
  --ink-rgb: 18, 37, 59;
  --muted: #665f55;
  --accent: #d9282f;
  --accent-rgb: 217, 40, 47;
  --accent-2: #f3a900;
  --accent-2-rgb: 243, 169, 0;
  --radius: 14px;
}

body.theme-aigirl {
  --paper: #fff9fc;
  --paper-rgb: 255, 249, 252;
  --soft: #f8e7f3;
  --ink: #211832;
  --ink-rgb: 33, 24, 50;
  --muted: #706478;
  --accent: #ec4eb6;
  --accent-rgb: 236, 78, 182;
  --accent-2: #7a5cff;
  --accent-2-rgb: 122, 92, 255;
  --radius: 30px;
}

body.theme-loridama {
  --paper: #fffdf5;
  --paper-rgb: 255, 253, 245;
  --soft: #e8f7ff;
  --ink: #26304d;
  --ink-rgb: 38, 48, 77;
  --muted: #69718a;
  --accent: #f253bd;
  --accent-rgb: 242, 83, 189;
  --accent-2: #f7c94a;
  --accent-2-rgb: 247, 201, 74;
  --radius: 38px;
}

body.theme-concheki {
  --paper: #fff8fb;
  --paper-rgb: 255, 248, 251;
  --soft: #ffe5ef;
  --ink: #3b2631;
  --ink-rgb: 59, 38, 49;
  --muted: #806b75;
  --accent: #ee6d9f;
  --accent-rgb: 238, 109, 159;
  --accent-2: #a47ad8;
  --accent-2-rgb: 164, 122, 216;
  --radius: 34px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, summary { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 3000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 9px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  border-bottom: 1px solid rgba(var(--ink-rgb), 0.09);
  background: rgba(var(--paper-rgb), 0.88);
  backdrop-filter: blur(18px) saturate(150%);
}
.header-inner {
  display: flex;
  width: min(100%, var(--page-width));
  min-height: 72px;
  align-items: center;
  gap: clamp(18px, 4vw, 46px);
  margin-inline: auto;
  padding-inline: var(--page-x);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: var(--display-font);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.04em;
}
.brand img {
  width: 39px;
  height: 39px;
  border-radius: 22%;
  box-shadow: 0 6px 18px rgba(var(--ink-rgb), 0.2);
}
.site-header nav {
  display: flex;
  gap: clamp(16px, 3vw, 32px);
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}
.site-header nav a,
.footer-links a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.35em;
  transition: color 160ms ease, text-decoration-color 160ms ease;
}
.site-header nav a:hover,
.site-header nav a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent);
  text-decoration-color: currentColor;
}
.header-cta {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.header-cta:hover,
.header-cta:focus-visible {
  border-color: var(--accent);
  background: var(--accent);
  transform: translateY(-2px);
}

main { overflow: hidden; }
.hero {
  position: relative;
  display: grid;
  width: min(100%, var(--page-width));
  min-height: 750px;
  grid-template-columns: minmax(0, 1.03fr) minmax(390px, 0.97fr);
  align-items: center;
  gap: clamp(46px, 7vw, 100px);
  margin-inline: auto;
  padding: clamp(76px, 9vw, 124px) var(--page-x) 92px;
}
.hero::before {
  position: absolute;
  z-index: -2;
  top: -180px;
  right: -220px;
  width: 760px;
  height: 760px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.21), rgba(var(--accent-rgb), 0) 68%);
  content: "";
}
.hero::after {
  position: absolute;
  z-index: -1;
  bottom: 40px;
  left: -12vw;
  width: 58vw;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.34), transparent);
  content: "";
  transform: rotate(-8deg);
}
.hero-copy { position: relative; z-index: 4; }
.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 720px;
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(47px, 5.5vw, 76px);
  font-weight: 900;
  letter-spacing: -0.075em;
  line-height: 1.08;
  text-wrap: balance;
}
.hero h1 em {
  color: var(--accent);
  font-style: normal;
}
.heading-line {
  display: block;
  white-space: nowrap;
}
.theme-aigirl .hero h1 { font-size: clamp(45px, 5.2vw, 70px); }
.theme-loridama .hero h1 { font-size: clamp(44px, 5.1vw, 68px); }
.theme-concheki .hero h1 { font-size: clamp(43px, 5vw, 68px); }
.hero-lead {
  max-width: 620px;
  margin: 28px 0 34px;
  color: var(--muted);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.9;
}
.store-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.store-badge-link {
  display: inline-flex;
  min-height: 64px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}
.store-badge-link:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
.store-badge {
  display: block;
  width: auto;
  max-width: 100%;
}
.store-badge-app-store { height: 48px; }
.store-badge-google-play { height: 64px; }

.hero-art {
  position: relative;
  display: grid;
  min-height: 610px;
  place-items: center;
}
.hero-art::before {
  position: absolute;
  z-index: 0;
  width: min(43vw, 530px);
  aspect-ratio: 1;
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.04);
  content: "";
}
.device {
  position: absolute;
  z-index: 2;
  width: min(54%, 292px);
  margin: 0;
  overflow: hidden;
  border: 7px solid #fff;
  border-radius: 38px;
  background: var(--ink);
  box-shadow: var(--shadow);
}
.device img { width: 100%; }
.device-main { transform: translate(-16%, -1%) rotate(-4deg); }
.device-side {
  z-index: 1;
  width: min(45%, 245px);
  opacity: 0.9;
  transform: translate(58%, 10%) rotate(6deg);
}
.hero-app-icon {
  position: absolute;
  z-index: 4;
  right: 2%;
  bottom: 4%;
  width: clamp(98px, 11vw, 148px);
  border: 5px solid #fff;
  border-radius: 24%;
  box-shadow: 0 22px 48px rgba(var(--ink-rgb), 0.28);
  transform: rotate(5deg);
}
.hero-stamp {
  position: absolute;
  z-index: 5;
  top: 10%;
  left: 0;
  display: flex;
  width: 112px;
  height: 112px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 4px solid var(--paper);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 18px 35px rgba(var(--accent-rgb), 0.25);
  color: #fff;
  font-weight: 900;
  line-height: 1;
  text-align: center;
  transform: rotate(-8deg);
}
.hero-stamp strong {
  font-family: var(--display-font);
  font-size: 31px;
  letter-spacing: -0.06em;
}
.hero-stamp span { margin-top: 7px; font-size: 10px; letter-spacing: 0.08em; }

.theme-iebaku .hero-art::after {
  position: absolute;
  z-index: 3;
  top: 3%;
  right: 0;
  width: 88px;
  height: 210px;
  background: linear-gradient(180deg, #37f4ff, var(--accent-2));
  clip-path: polygon(55% 0, 100% 0, 62% 38%, 91% 38%, 12% 100%, 38% 53%, 0 53%);
  content: "";
  filter: drop-shadow(0 0 14px rgba(68, 222, 255, 0.7));
  transform: rotate(10deg);
}
.theme-iebaku .device,
.theme-iebaku .feature-card { clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px)); }

.theme-sushibaku .hero-art::before {
  border: 0;
  background: repeating-radial-gradient(circle, rgba(var(--accent-rgb), 0.2) 0 4px, transparent 5px 28px);
}
.theme-sushibaku .hero-stamp {
  border-radius: 6px;
  background: var(--ink);
  transform: rotate(-6deg);
}
.theme-sushibaku .hero-stamp::before,
.theme-sushibaku .hero-stamp::after {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--paper);
  content: "";
}
.theme-sushibaku .hero-stamp::before { top: 7px; left: 7px; }
.theme-sushibaku .hero-stamp::after { right: 7px; bottom: 7px; }

.theme-aigirl .hero-art::before {
  border: 0;
  background:
    radial-gradient(circle at 28% 30%, rgba(255, 255, 255, 0.95) 0 3px, transparent 4px),
    radial-gradient(circle at 73% 18%, rgba(255, 255, 255, 0.95) 0 2px, transparent 3px),
    linear-gradient(145deg, rgba(var(--accent-rgb), 0.22), rgba(var(--accent-2-rgb), 0.2));
  box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), 0.18), 0 0 100px rgba(var(--accent-rgb), 0.14);
}
.theme-aigirl .device { border-radius: 32px; }
.theme-aigirl .hero-stamp { background: linear-gradient(135deg, var(--accent), var(--accent-2)); }

.theme-loridama .hero { grid-template-columns: minmax(0, 0.88fr) minmax(470px, 1.12fr); }
.theme-loridama .hero-art { min-height: 540px; }
.theme-loridama .hero-art::before {
  width: min(47vw, 580px);
  border: 0;
  background: linear-gradient(145deg, #b9ecff, #f6f0a7 58%, #ffc7ec);
  clip-path: path("M 278 5 C 430 -5 570 94 568 247 C 567 390 457 530 292 532 C 130 535 9 436 5 284 C 0 134 120 18 278 5 Z");
}
.theme-loridama .device {
  width: min(92%, 560px);
  border-radius: 28px;
}
.theme-loridama .device-main { transform: translate(-3%, -18%) rotate(-3deg); }
.theme-loridama .device-side { transform: translate(8%, 61%) rotate(3deg); }
.theme-loridama .hero-app-icon { right: 0; bottom: 1%; }
.theme-loridama .hero-stamp { top: 3%; left: 1%; color: var(--ink); }

.theme-concheki .hero { grid-template-columns: minmax(0, 0.95fr) minmax(430px, 1.05fr); }
.theme-concheki .hero-art { min-height: 620px; }
.theme-concheki .hero-art::before {
  width: min(43vw, 520px);
  border-radius: 47% 53% 49% 51% / 54% 44% 56% 46%;
  background: linear-gradient(145deg, #ffdbe8 0%, #f7dffc 55%, #e4e0ff 100%);
  clip-path: none;
}
.theme-concheki .device {
  width: 58%;
  border: 8px solid rgba(255, 255, 255, 0.92);
  border-radius: 32px;
  background: #fff;
}
.theme-concheki .device-main { transform: translate(3%, -7%) rotate(-4deg); }
.theme-concheki .device-side { transform: translate(50%, 7%) rotate(5deg); }
.theme-concheki .hero-app-icon { right: 1%; bottom: 3%; }
.theme-concheki .hero-stamp {
  top: 5%;
  left: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.theme-concheki .screenshots { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.theme-concheki .screenshots img { border-radius: 28px; }
.theme-concheki .feature-card.featured {
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
}

.fact-strip {
  display: grid;
  width: min(100% - (var(--page-x) * 2), calc(var(--page-width) - (var(--page-x) * 2)));
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
}
.fact-strip li {
  display: flex;
  min-height: 108px;
  flex-direction: column;
  justify-content: center;
  padding: 20px clamp(18px, 3vw, 42px);
}
.fact-strip li + li { border-left: 1px solid var(--line); }
.fact-strip strong {
  font-family: var(--display-font);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.04em;
}
.fact-strip span { color: var(--muted); font-size: 12px; }

.section-shell {
  width: min(100%, var(--page-width));
  margin-inline: auto;
  padding: clamp(96px, 11vw, 150px) var(--page-x);
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 64px;
}
.section-heading h2,
.story-grid h2,
.loop-section h2,
.download-section h2,
.faq-heading h2 {
  margin: 0;
  font-family: var(--display-font);
  font-size: clamp(38px, 5.1vw, 66px);
  font-weight: 900;
  letter-spacing: -0.065em;
  line-height: 1.18;
  text-wrap: balance;
}
.section-heading > p {
  max-width: 430px;
  margin: 0 0 7px;
  color: var(--muted);
}
.story-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
  gap: clamp(52px, 9vw, 128px);
}
.story-copy { padding-top: 10px; color: var(--muted); }
.story-copy p { margin: 0 0 26px; }
.story-copy .story-emphasis {
  margin: 0;
  color: var(--ink);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.7;
}

.features-section {
  width: 100%;
  max-width: none;
  background: var(--ink);
  color: #fff;
}
.features-section > * {
  width: min(100%, calc(var(--page-width) - (var(--page-x) * 2)));
  margin-inline: auto;
}
.features-section .section-kicker { color: color-mix(in srgb, var(--accent) 76%, white); }
.features-section .section-heading > p { color: rgba(255, 255, 255, 0.65); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature-card {
  min-height: 316px;
  padding: clamp(28px, 3.4vw, 43px);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
}
.feature-card.featured {
  border-color: transparent;
  background: var(--accent);
}
.feature-number {
  display: inline-block;
  margin-bottom: 52px;
  color: color-mix(in srgb, var(--accent) 80%, white);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}
.feature-card.featured .feature-number { color: #fff; }
.feature-card h3 {
  margin: 0 0 14px;
  font-family: var(--display-font);
  font-size: 27px;
  font-weight: 900;
  letter-spacing: -0.04em;
}
.feature-card p { margin: 0; color: rgba(255, 255, 255, 0.68); font-size: 14px; }
.feature-card.featured p { color: rgba(255, 255, 255, 0.92); }

.screens-section { background: var(--soft); }
.screens-section > * {
  width: min(100%, calc(var(--page-width) - (var(--page-x) * 2)));
  margin-inline: auto;
}
.screenshots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 2.5vw, 28px);
}
.screenshots figure { min-width: 0; margin: 0; }
.screenshots img {
  width: 100%;
  border: clamp(4px, 0.7vw, 8px) solid #fff;
  border-radius: clamp(18px, 2vw, 30px);
  box-shadow: var(--shadow);
}
.screenshots figcaption {
  display: flex;
  gap: 10px;
  padding: 18px 5px 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}
.screenshots figcaption span { color: var(--accent); }
.theme-loridama .screenshots img { border-radius: 24px; }

.loop-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(440px, 1.15fr);
  align-items: start;
  gap: clamp(56px, 9vw, 130px);
}
.loop-copy > p:not(.section-kicker) { max-width: 540px; color: var(--muted); }
.loop-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}
.loop-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.loop-list > li > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--display-font);
  font-size: 15px;
  font-weight: 900;
}
.loop-list h3 { margin: 0 0 5px; font-size: 18px; font-weight: 900; }
.loop-list p { margin: 0; color: var(--muted); font-size: 14px; }

.showcase-section {
  display: grid;
  grid-template-columns: minmax(420px, 1.1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: clamp(50px, 8vw, 110px);
  padding: clamp(96px, 11vw, 150px) max(var(--page-x), calc((100vw - var(--page-width)) / 2 + var(--page-x)));
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--accent-2)));
  color: #fff;
}
.video-link,
.collection-visual {
  position: relative;
  display: block;
  overflow: hidden;
  border: 7px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  background: var(--ink);
  box-shadow: 0 30px 70px rgba(var(--ink-rgb), 0.28);
  transform: rotate(-2deg);
}
.video-link img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.video-link::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(var(--ink-rgb), 0.65));
  content: "";
}
.play-badge {
  position: absolute;
  z-index: 2;
  right: 24px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}
.play-badge i {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  color: var(--accent);
  font-style: normal;
  font-size: 16px;
}
.video-link:hover,
.video-link:focus-visible { transform: rotate(0) translateY(-4px); transition: transform 180ms ease; }
.collection-visual {
  display: grid;
  min-height: 360px;
  place-items: center;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.18), transparent 30%),
    var(--ink);
}
.collection-visual img { width: min(52%, 220px); border-radius: 26%; box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35); }
.collection-count {
  position: absolute;
  right: 6%;
  bottom: 2%;
  font-family: var(--display-font);
  font-size: clamp(82px, 11vw, 152px);
  font-weight: 900;
  letter-spacing: -0.09em;
  line-height: 1;
  opacity: 0.18;
}
.showcase-copy .section-kicker { color: #fff; }
.showcase-copy h2 {
  margin: 0 0 25px;
  font-family: var(--display-font);
  font-size: clamp(39px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1.18;
}
.showcase-copy > p:not(.section-kicker) { margin: 0; color: rgba(255, 255, 255, 0.82); }

.download-section {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  padding: clamp(70px, 8vw, 104px) max(var(--page-x), calc((100vw - var(--page-width)) / 2 + var(--page-x)));
  background: var(--ink);
  color: #fff;
}
.download-section > img {
  width: 148px;
  border: 5px solid rgba(255, 255, 255, 0.86);
  border-radius: 24%;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}
.download-section h2 { font-size: clamp(36px, 4.5vw, 58px); }
.download-section .section-kicker { color: color-mix(in srgb, var(--accent) 75%, white); }
.download-section p:not(.section-kicker) { margin: 17px 0 0; color: rgba(255, 255, 255, 0.66); }
.download-section .store-actions { max-width: 470px; justify-content: flex-end; }

.faq-section {
  display: grid;
  grid-template-columns: minmax(270px, 0.72fr) minmax(480px, 1.28fr);
  gap: clamp(56px, 9vw, 130px);
}
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary {
  position: relative;
  padding: 24px 46px 24px 0;
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  position: absolute;
  top: 23px;
  right: 3px;
  color: var(--accent);
  content: "+";
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0; padding: 0 42px 24px 0; color: var(--muted); font-size: 14px; }

footer {
  display: flex;
  width: min(100%, var(--page-width));
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-inline: auto;
  padding: 42px var(--page-x);
  color: var(--muted);
  font-size: 12px;
}
.footer-brand { display: flex; align-items: center; gap: 11px; }
.footer-brand img { width: 40px; border-radius: 22%; }
.footer-brand strong,
.footer-brand span { display: block; }
.footer-brand strong { color: var(--ink); font-size: 15px; font-weight: 900; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 14px 24px; }

@media (max-width: 980px) {
  .site-header nav { display: none; }
  .hero,
  .theme-loridama .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 72px;
  }
  .theme-concheki .hero { grid-template-columns: 1fr; }
  .theme-concheki .hero-art { width: min(100%, 720px); margin-inline: auto; }
  .hero-copy { max-width: 760px; }
  .hero-art { width: min(100%, 660px); margin-inline: auto; }
  .theme-loridama .hero-art { width: min(100%, 720px); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .feature-number { margin-bottom: 34px; }
  .loop-section,
  .showcase-section { grid-template-columns: 1fr; }
  .showcase-section { padding-inline: var(--page-x); }
  .video-link,
  .collection-visual { width: min(100%, 700px); }
  .download-section { grid-template-columns: 118px 1fr; }
  .download-section > img { width: 118px; }
  .download-section .store-actions { grid-column: 1 / -1; justify-content: flex-start; }
}

@media (max-width: 720px) {
  .header-inner { min-height: 64px; }
  .brand { font-size: 15px; }
  .brand img { width: 35px; height: 35px; }
  .header-cta { min-height: 38px; padding: 7px 14px; }
  .hero { padding-top: 58px; padding-bottom: 66px; }
  .hero h1 { font-size: clamp(40px, 11.3vw, 60px); line-height: 1.1; }
  .theme-aigirl .hero h1,
  .theme-loridama .hero h1,
  .theme-concheki .hero h1 { font-size: clamp(38px, 10.5vw, 56px); }
  .hero-lead { margin-top: 23px; }
  .store-actions { gap-inline: 24px; }
  .hero-art { min-height: 520px; }
  .device { width: min(53%, 256px); border-width: 5px; border-radius: 30px; }
  .device-side { width: min(44%, 214px); }
  .hero-stamp { width: 92px; height: 92px; }
  .hero-stamp strong { font-size: 25px; }
  .hero-app-icon { width: 96px; border-width: 4px; }
  .theme-loridama .hero-art { min-height: 410px; }
  .theme-loridama .hero-art::before { width: min(92vw, 560px); clip-path: none; border-radius: 47% 53% 55% 45% / 54% 39% 61% 46%; }
  .theme-loridama .device { width: 92%; border-radius: 20px; }
  .theme-loridama .hero-app-icon { width: 86px; }
  .theme-concheki .hero-art { min-height: 500px; }
  .theme-concheki .hero-art::before { width: min(92vw, 540px); }
  .theme-concheki .device { width: 62%; border-width: 5px; border-radius: 24px; }
  .theme-concheki .hero-app-icon { width: 86px; }
  .theme-concheki .screenshots { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact-strip { grid-template-columns: 1fr; }
  .fact-strip li { min-height: 82px; padding: 16px 8px; text-align: center; }
  .fact-strip li + li { border-top: 1px solid var(--line); border-left: 0; }
  .section-shell { padding-top: 88px; padding-bottom: 88px; }
  .section-heading { display: block; margin-bottom: 46px; }
  .section-heading > p { margin-top: 22px; }
  .section-heading h2,
  .story-grid h2,
  .loop-section h2,
  .download-section h2,
  .faq-heading h2 { font-size: clamp(34px, 11vw, 48px); }
  .story-grid { grid-template-columns: 1fr; gap: 32px; }
  .screenshots { grid-template-columns: 1fr; gap: 44px; }
  .screenshots figure { width: min(82%, 410px); margin-inline: auto; }
  .theme-loridama .screenshots figure { width: 100%; }
  .loop-section { gap: 44px; }
  .showcase-section { gap: 42px; padding-top: 84px; padding-bottom: 84px; }
  .collection-visual { min-height: 290px; }
  .download-section { grid-template-columns: 82px 1fr; padding-inline: var(--page-x); }
  .download-section > img { width: 82px; border-width: 3px; }
  .download-section .store-actions { width: 100%; }
  .faq-section { grid-template-columns: 1fr; gap: 42px; }
  footer { display: block; text-align: center; }
  .footer-brand { justify-content: center; margin-bottom: 24px; }
  .footer-links { justify-content: center; }
}

@media (max-width: 430px) {
  .header-cta { font-size: 11px; }
  .hero h1 { font-size: 42px; }
  .theme-aigirl .hero h1,
  .theme-loridama .hero h1,
  .theme-concheki .hero h1 { font-size: 39px; }
  .hero-art { min-height: 430px; }
  .hero-stamp { left: -4px; }
  .theme-loridama .hero-art { min-height: 340px; }
  .theme-concheki .hero-art { min-height: 400px; }
  .download-section { display: block; text-align: center; }
  .download-section > img { width: 92px; margin: 0 auto 24px; }
  .download-section .store-actions { justify-content: center; margin-top: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}