:root {
  --ink: #15181d;
  --ink-2: #353b45;
  --muted: #646b76;
  --line-2: #d7dadf;
  --font: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  --manga-green: #087068;
  --manga-green-dark: #065b54;
  --manga-green-tint: #edf7f5;
  --manga-paper: #fbfaf7;
}

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

html {
  min-width: 320px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--manga-paper);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mobile-only {
  display: none !important;
}

.manga-header {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 680px);
  min-height: 60px;
  margin: 0 auto;
  padding: 10px 20px;
  background: #fff;
  border-bottom: 1px solid #e7e4dc;
}

.manga-header .brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.manga-header .brand-mark {
  width: 26px;
  height: 26px;
  background: url("../../favicon.svg") center / contain no-repeat;
}
.manga-header .brand-name { color: var(--ink); font-size: 18px; font-weight: 800; }
.manga-header > span { color: var(--muted); font-size: 11px; font-weight: 700; }
.manga-series-link {
  padding: 7px 11px;
  border: 1px solid #dedbd4;
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 11px;
  font-weight: 700;
}
.manga-series-link strong { color: var(--manga-green-dark); }
.manga-series-link:hover { border-color: var(--manga-green); background: var(--manga-green-tint); }

.manga-version-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 7px;
  width: min(100%, 680px);
  margin: 0 auto;
  padding: 9px 16px;
  border-bottom: 1px solid #dedbd4;
  background: #f4f2ed;
  font-size: 11px;
}

.manga-version-nav > span {
  color: var(--muted);
  font-weight: 700;
}

.manga-version-nav a {
  padding: 4px 9px;
  border: 1px solid #bfc9c7;
  border-radius: 999px;
  background: #fff;
  color: var(--manga-green-dark);
  font-weight: 800;
}

.manga-version-nav a[aria-current="page"] {
  border-color: var(--manga-green);
  background: var(--manga-green);
  color: #fff;
}

.manga-main {
  width: min(100%, 680px);
  margin: 0 auto;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(21, 24, 29, 0.05);
}

.manga-hero {
  display: grid;
  justify-items: center;
  padding: clamp(38px, 9vw, 64px) 24px 0;
  text-align: center;
  background:
    linear-gradient(rgba(255,255,255,.94), rgba(255,255,255,.98)),
    repeating-linear-gradient(0deg, transparent 0 31px, #e9e6dd 32px);
}

.product-eyebrow,
.offer-label {
  margin: 0 0 18px;
  color: var(--manga-green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
}

.manga-hero-eyebrow {
  margin: 0 0 14px;
  color: #4b4b4b;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
}

.manga-hero h1 {
  margin: 0;
  color: #111;
  font-size: clamp(2.15rem, 9vw, 4rem);
  line-height: 1.34;
  letter-spacing: -.055em;
}

.manga-hero h1 em,
.manga-turn h2 em {
  color: #111;
  font-style: normal;
  background: linear-gradient(transparent 72%, #d9d9d9 0);
}

.manga-lead {
  margin: 22px 0 26px;
  color: var(--ink-2);
  font-size: clamp(.98rem, 3.8vw, 1.18rem);
  font-weight: 600;
  line-height: 1.9;
}

.manga-hero-frame {
  position: relative;
  width: calc(100% + 48px);
  margin: 0 -24px;
  overflow: hidden;
  border-top: 1px solid #e9e6df;
  background: #fff;
}

.manga-hero-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.manga-story { background: #fff; }

.manga-page {
  position: relative;
  overflow: hidden;
  border-top: 1px solid #e9e6df;
  background: #fff;
}

.manga-page-image {
  margin: 0;
  background: #fff;
}

.manga-page-image img {
  display: block;
  width: 100%;
  height: auto;
}

.story-handoff {
  position: relative;
  padding: clamp(62px, 14vw, 94px) 24px;
  overflow: hidden;
  background: #111;
  color: #fff;
  text-align: center;
}

.story-handoff::before {
  content: "";
  position: absolute;
  top: -90px;
  left: 50%;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 50%;
  transform: translateX(-50%);
}

.story-handoff > * { position: relative; }
.story-handoff > p:first-child {
  margin: 0 0 18px;
  color: #a8d9d4;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
}

.story-handoff h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(1.55rem, 6.8vw, 2.35rem);
  line-height: 1.55;
  letter-spacing: -.035em;
}

.story-handoff h2 em {
  color: #fff;
  font-style: normal;
  background: linear-gradient(transparent 72%, rgba(8, 112, 104, .82) 0);
}

.story-handoff > p:not(:first-child) {
  margin: 24px auto 0;
  color: #d0d0d0;
  font-size: 13px;
  line-height: 2;
}

.story-handoff a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, .42);
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.story-handoff a:hover { background: rgba(255, 255, 255, .09); }
.story-handoff a span { color: #8dd4cd; font-size: 18px; line-height: 1; }

.manga-turn {
  padding: 72px 24px 78px;
  text-align: center;
  background: #111;
  color: #fff;
}

.manga-turn p { margin: 0 0 24px; color: #d4d4d4; font-size: 15px; }
.manga-turn h2 { margin: 0; color: #fff; font-size: clamp(1.65rem, 7vw, 2.7rem); line-height: 1.55; letter-spacing: -.04em; }
.manga-turn h2 em { color: #7fd0c7; background: none; }

.product-reveal,
.manga-offer,
.manga-trust {
  padding: clamp(56px, 12vw, 84px) 22px;
}

.product-reveal { text-align: center; background: #fff; }
.product-reveal h2 { margin: 0; font-size: 19px; line-height: 1.6; }
.product-reveal h2 strong { display: block; font-size: clamp(1.65rem, 7vw, 2.55rem); letter-spacing: -.04em; }
.product-reveal > p:not(.product-eyebrow) { max-width: 500px; margin: 18px auto 0; color: var(--ink-2); font-size: 15px; }

.product-screen {
  margin: 32px -8px 0;
  overflow: hidden;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: #f4f5f6;
  box-shadow: 0 12px 34px rgba(15, 25, 35, .12);
}

.product-screen img { display: block; width: 100%; height: auto; }
.product-screen figcaption { padding: 12px 14px; color: var(--muted); font-size: 11px; line-height: 1.6; text-align: left; }

.manga-setup-proof {
  margin: 24px 0 0;
  padding: 18px;
  border: 1px solid #dbe7e5;
  border-radius: 12px;
  background: var(--manga-green-tint);
  text-align: left;
}

.manga-setup-proof > p {
  margin: 0 0 10px;
  color: var(--manga-green-dark);
  font-size: 12px;
  font-weight: 800;
}

.manga-rule {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  color: var(--ink-2);
  font-size: 13px;
}

.manga-rule strong {
  padding: 5px 9px;
  border: 1px solid #c8d9d6;
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
}

.manga-rule .manga-rule-red {
  border-color: #efc6c3;
  background: #fde2e1;
  color: #8d3029;
}

.manga-setup-proof small {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 11px;
}

.product-quick-actions {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
}

.product-try {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 76px;
  padding: 12px 20px;
  border-radius: 12px;
  background: var(--manga-green);
  color: #fff;
  box-shadow: 0 8px 18px rgba(8, 112, 104, .2);
}

.product-try:hover { background: var(--manga-green-dark); }
.product-try span { font-size: 11px; opacity: .86; }
.product-try strong { font-size: 19px; }
.product-guide {
  color: var(--manga-green-dark);
  font-size: 13px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.product-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.product-points li { padding: 17px 10px; border: 1px solid #dbe7e5; border-radius: 10px; background: var(--manga-green-tint); }
.product-points strong { display: block; color: var(--manga-green-dark); font-size: 14px; }
.product-points span { display: block; margin-top: 5px; color: #4c625f; font-size: 11px; line-height: 1.5; }

.manga-offer {
  text-align: center;
  background: #f4f2ed;
  border-top: 1px solid #e5e0d6;
  border-bottom: 1px solid #e5e0d6;
}

.manga-offer h2 { margin: 0; font-size: clamp(1.8rem, 7vw, 2.8rem); letter-spacing: -.04em; }
.manga-offer > p:not(.offer-label):not(.offer-note) { margin: 12px auto 0; color: var(--muted); font-size: 14px; }

.offer-price {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: end;
  width: min(100%, 360px);
  margin: 28px auto;
  padding: 18px 22px;
  border: 1px solid #c8c2b7;
  border-radius: 12px;
  background: #fff;
  text-align: left;
}

.offer-price span { color: var(--manga-green); font-size: 13px; font-weight: 800; letter-spacing: .12em; }
.offer-price strong { justify-self: end; font-size: 34px; line-height: 1; }
.offer-price small { grid-column: 1 / -1; margin-top: 8px; color: var(--muted); font-size: 12px; }

.manga-actions { display: grid; gap: 12px; width: min(100%, 430px); margin: 0 auto; }
.manga-primary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 78px;
  padding: 13px 24px;
  border-radius: 12px;
  background: var(--manga-green);
  color: #fff;
  box-shadow: 0 8px 18px rgba(8, 112, 104, .22);
}

.manga-primary:hover { background: var(--manga-green-dark); }
.manga-primary-kicker { font-size: 11px; opacity: .85; }
.manga-primary strong { font-size: 20px; letter-spacing: .02em; }
.manga-secondary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 66px;
  padding: 10px 20px;
  border: 1px solid #a9c7c2;
  border-radius: 12px;
  background: #fff;
  color: var(--manga-green-dark);
}
.manga-secondary:hover { background: var(--manga-green-tint); }
.manga-secondary span { color: var(--muted); font-size: 11px; }
.manga-secondary strong { font-size: 16px; }
.offer-share {
  display: inline-block;
  margin-top: 18px;
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.offer-note { margin: 20px 0 0; color: var(--muted); font-size: 11px; }

.manga-more {
  padding: clamp(44px, 9vw, 68px) 20px;
  border-top: 1px solid #e5e0d6;
  background: #fff;
  text-align: center;
}
.manga-more > p { margin: 0; color: var(--manga-green-dark); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.manga-more h2 { margin: 8px 0 24px; font-size: clamp(1.45rem, 5vw, 2rem); letter-spacing: -.03em; }
.manga-more-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; text-align: left; }
.manga-more-card { min-width: 0; overflow: hidden; border: 1px solid #dedbd4; border-radius: 12px; background: #fbfaf7; }
.manga-more-card img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; filter: grayscale(1); }
.manga-more-card span,
.manga-more-card strong { display: block; padding-right: 10px; padding-left: 10px; }
.manga-more-card span { margin-top: 10px; color: var(--manga-green-dark); font-size: 9px; font-weight: 800; }
.manga-more-card strong { padding-top: 4px; padding-bottom: 12px; color: var(--ink); font-size: 11px; line-height: 1.55; }
.manga-more-card:hover { border-color: var(--manga-green); transform: translateY(-2px); }
.manga-more-all { display: inline-flex; margin-top: 20px; color: var(--manga-green-dark); font-size: 13px; font-weight: 800; text-decoration: underline; text-underline-offset: 4px; }

.manga-trust { padding: 46px 22px 36px; background: #fff; color: var(--muted); font-size: 12px; }
.manga-trust p { margin: 0; }
.manga-trust nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 18px 0; }
.manga-trust a { color: var(--ink-2); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.manga-trust small { display: block; font-size: 10px; line-height: 1.8; }

.manga-sticky {
  position: fixed;
  z-index: 30;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 9px max(14px, env(safe-area-inset-right)) calc(9px + env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
  border-top: 1px solid #d8d5ce;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  transform: translateY(120%);
  transition: transform .22s ease;
}

.manga-sticky.is-visible { transform: translateY(0); }
.manga-sticky a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 500px);
  min-height: 52px;
  margin: 0 auto;
  padding: 8px 18px;
  border-radius: 10px;
  background: var(--manga-green);
  color: #fff;
}

.manga-sticky span { font-size: 11px; }
.manga-sticky strong { font-size: 16px; }

@media (min-width: 681px) {
  body { padding: 28px 0; background: #efeee9; }
  .manga-header { border-radius: 14px 14px 0 0; }
  .manga-main { border-radius: 0 0 14px 14px; }
}

@media (max-width: 520px) {
  .product-points { grid-template-columns: 1fr; }
  .product-points li { display: grid; grid-template-columns: 120px 1fr; align-items: center; text-align: left; }
  .product-points span { margin-top: 0; }
  .manga-more-grid { grid-template-columns: 1fr; }
  .manga-more-card { display: grid; grid-template-columns: 104px 1fr; grid-template-rows: auto 1fr; }
  .manga-more-card img { grid-row: 1 / 3; width: 104px; height: 100%; aspect-ratio: auto; }
}

@media (max-width: 680px) {
  .desktop-only { display: none !important; }
  .product-try.mobile-only,
  .manga-primary.mobile-only,
  .manga-secondary.mobile-only { display: flex !important; }
  .product-guide.mobile-only { display: inline-block !important; }
}

@media (prefers-reduced-motion: reduce) {
  .manga-sticky { transition: none; }
}