:root {
  --navy: #121f38;
  --navy-2: #203456;
  --gold: #d7b55d;
  --gold-dark: #9b7728;
  --ink: #142033;
  --muted: #59657a;
  --line: rgba(215, 181, 93, 0.34);
  --ivory: #fbf7ec;
  --white: #ffffff;
  --glass: rgba(255, 255, 255, 0.72);
  --glass-strong: rgba(255, 255, 255, 0.84);
  --shadow: 0 24px 72px rgba(16, 28, 50, 0.16);
  --shadow-gold: 0 24px 70px rgba(117, 87, 25, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--ivory);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.78;
  letter-spacing: 0;
  line-break: strict;
  word-break: auto-phrase;
  text-wrap: pretty;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 30;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px clamp(18px, 4vw, 50px);
  color: var(--white);
  background: linear-gradient(90deg, rgba(12, 22, 40, 0.86), rgba(20, 32, 51, 0.66));
  border-bottom: 1px solid rgba(215, 181, 93, 0.28);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  font-weight: 900;
  font-size: clamp(0.78rem, 2vw, 0.95rem);
  line-height: 1.3;
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--navy);
  background: linear-gradient(135deg, #f3df98, var(--gold) 48%, #9f7625);
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  box-shadow: 0 12px 32px rgba(215, 181, 93, 0.22);
  font-family: "Noto Serif JP", serif;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.header-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  color: var(--navy);
  background: var(--gold);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(117, 87, 25, 0.24);
  font-size: 0.86rem;
  font-weight: 900;
}

.hero {
  position: relative;
  min-height: 94svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("images/bg_hero.png") center / cover no-repeat;
  transform: scale(1.01);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 17% 45%, rgba(255, 255, 255, 0.1), transparent 24%),
    linear-gradient(90deg, rgba(7, 15, 30, 0.84) 0%, rgba(9, 18, 34, 0.72) 42%, rgba(12, 22, 40, 0.18) 78%, rgba(12, 22, 40, 0.04) 100%),
    linear-gradient(0deg, rgba(7, 15, 30, 0.42), rgba(7, 15, 30, 0.08));
}

.hero__inner,
.container {
  position: relative;
  z-index: 1;
  width: min(1140px, calc(100% - 40px));
  margin-inline: auto;
}

.hero__inner {
  padding: 128px 0 82px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::after {
  content: "";
  display: inline-block;
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.hero h1,
h2 {
  font-family: "Noto Serif JP", serif;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 720px;
  margin-top: 18px;
  font-size: clamp(2.35rem, 8vw, 5.15rem);
  text-shadow: 0 12px 42px rgba(0, 0, 0, 0.34);
  text-wrap: balance;
}

.hero__lead {
  max-width: 690px;
  margin-top: 26px;
  font-size: clamp(1.08rem, 3.2vw, 1.56rem);
  font-weight: 900;
  line-height: 1.55;
  text-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
}

.hero__sub {
  max-width: 640px;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(0.95rem, 2.4vw, 1.08rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 900;
  line-height: 1.3;
  white-space: nowrap;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  color: var(--navy);
  background: linear-gradient(135deg, #f5df94, var(--gold) 55%, #b68b35);
  box-shadow: 0 18px 42px rgba(116, 85, 24, 0.32);
}

.button--primary:hover {
  background: linear-gradient(135deg, #ffe9a8, #dfc06b 55%, #c69b43);
}

.button--secondary {
  color: var(--white);
  background: rgba(18, 31, 56, 0.86);
  border-color: rgba(215, 181, 93, 0.42);
  box-shadow: 0 18px 42px rgba(18, 31, 56, 0.2);
}

.microcopy {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
  font-weight: 800;
}

.section,
.genre-cta,
.final-cta {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.section {
  padding: clamp(78px, 10vw, 132px) 0;
}

.section--light {
  color: var(--ink);
  background: url("images/bg_light.png") center / cover no-repeat;
}

.section--dark,
.final-cta {
  color: var(--white);
  background: url("images/bg_navy.png") center / cover no-repeat;
}

.section--light::before,
.genre-cta.section--light::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.58)),
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.3) 58%, rgba(255, 255, 255, 0.14));
}

.section--dark::before,
.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(9, 17, 33, 0.72), rgba(15, 25, 45, 0.46), rgba(9, 17, 33, 0.58)),
    rgba(15, 25, 45, 0.28);
}

.section-heading {
  max-width: 790px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading--left {
  margin-inline: 0;
  text-align: left;
}

.section-heading .eyebrow {
  justify-content: center;
}

.section-heading--left .eyebrow {
  justify-content: flex-start;
}

h2 {
  margin-top: 10px;
  color: var(--navy);
  font-size: clamp(1.9rem, 5.2vw, 3.28rem);
  text-wrap: balance;
}

.section--dark h2,
.section--dark h3,
.section--dark .section-heading p:not(.eyebrow),
.final-cta h2,
.final-cta h3 {
  color: var(--white);
}

.section-heading p:not(.eyebrow),
.large-text {
  margin-top: 16px;
  color: var(--muted);
  font-size: clamp(1rem, 2.4vw, 1.13rem);
}

.section--dark .large-text,
.section--dark p,
.final-cta p {
  color: rgba(255, 255, 255, 0.82);
}

.section--dark .eyebrow,
.final-cta .eyebrow {
  color: var(--gold);
}

.concerns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.concern,
.reason,
.service-list div,
.price-card,
.pod-main,
.pod-quote,
details,
.authority-card,
.simulation,
.table-wrap {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.concern {
  position: relative;
  padding: 23px 24px 23px 60px;
  font-weight: 900;
}

.concern::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 24px;
  width: 15px;
  height: 15px;
  border: 4px solid rgba(215, 181, 93, 0.48);
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(215, 181, 93, 0.12);
}

.split,
.media-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.reason {
  min-height: 226px;
  padding: 26px;
}

.reason span {
  color: var(--gold-dark);
  font-family: "Noto Serif JP", serif;
  font-weight: 900;
  font-size: 1.4rem;
}

.reason h3 {
  margin-top: 14px;
  color: var(--navy);
  font-size: 1.08rem;
  line-height: 1.55;
}

.reason p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.media-section {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.service-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.service-list div {
  padding: 18px 20px;
  border-left: 3px solid var(--gold);
}

.service-list strong {
  color: var(--navy);
  font-size: 0.95rem;
}

.service-list p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.image-frame,
.wide-image {
  margin: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(215, 181, 93, 0.34);
  border-radius: 8px;
  box-shadow: var(--shadow-gold);
  backdrop-filter: blur(14px);
}

.image-frame img,
.wide-image img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.wide-image {
  max-width: 1040px;
  margin-inline: auto;
}

.case-block {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 28px;
  align-items: start;
  margin-top: 46px;
}

.case-copy {
  position: sticky;
  top: 92px;
}

.case-copy h3,
.simulation h3,
.authority-card h3 {
  margin-top: 10px;
  color: var(--navy);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  line-height: 1.45;
}

.case-copy p:not(.eyebrow),
.simulation p,
.authority-card p {
  margin-top: 12px;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.44);
}

th,
td {
  padding: 17px 20px;
  text-align: left;
  border-bottom: 1px solid rgba(20, 32, 51, 0.1);
  vertical-align: top;
}

tr:last-child th,
tr:last-child td {
  border-bottom: 0;
}

th {
  width: 38%;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.54);
  font-weight: 900;
}

td {
  font-weight: 900;
}

.simulation {
  margin-top: 24px;
  padding: 24px;
}

.note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.82rem;
}

.funnel {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.funnel-step,
.flow-step {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(215, 181, 93, 0.42);
  border-radius: 8px;
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(16px);
}

.funnel-step {
  min-height: 184px;
  padding: 22px 18px;
}

.funnel-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -10px;
  z-index: 1;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, #f3df98, var(--gold));
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  transform: translateY(-50%);
}

.funnel-step span,
.flow-step span {
  color: var(--gold);
  font-family: "Noto Serif JP", serif;
  font-size: 1.38rem;
  font-weight: 900;
}

.funnel-step strong,
.flow-step strong {
  margin-top: 10px;
  color: var(--white);
  font-size: 1.02rem;
  line-height: 1.45;
}

.funnel-step small,
.flow-step small {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.82rem;
  line-height: 1.55;
}

.pricing {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.price-card {
  position: relative;
  min-height: 310px;
  padding: 31px 27px;
}

.price-card--featured {
  background: var(--glass-strong);
  border-color: rgba(215, 181, 93, 0.76);
  box-shadow: var(--shadow-gold);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  color: var(--navy);
  background: rgba(215, 181, 93, 0.26);
  border: 1px solid rgba(215, 181, 93, 0.38);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
}

.price-card h3 {
  margin-top: 16px;
  color: var(--navy);
  font-size: 1.22rem;
}

.price-card:not(.price-card--featured) h3 {
  margin-top: 0;
}

.price {
  margin-top: 18px;
  color: var(--navy);
  font-size: 1.08rem;
  font-weight: 900;
}

.price strong {
  display: block;
  margin-top: 4px;
  color: var(--gold-dark);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.05;
}

.price-card p:last-child {
  margin-top: 18px;
  color: var(--muted);
}

.center-action {
  margin-top: 34px;
  text-align: center;
}

.pod-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  margin: 24px 0 28px;
}

.pod-main,
.pod-quote {
  padding: 27px;
}

.pod-main p + p {
  margin-top: 14px;
}

.pod-quote {
  color: var(--navy);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  font-weight: 900;
  line-height: 1.6;
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.flow-step {
  min-height: 194px;
  padding: 26px;
}

.genre-cta {
  padding: clamp(62px, 8vw, 96px) 0;
}

.genre-cta__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px 34px;
  align-items: center;
  padding: clamp(26px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(215, 181, 93, 0.38);
  border-radius: 8px;
  box-shadow: var(--shadow-gold);
  backdrop-filter: blur(16px);
}

.genre-cta h2 {
  color: var(--navy);
  font-size: clamp(1.8rem, 5vw, 3rem);
}

.genre-cta p {
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 700;
}

.genre-cta .button {
  grid-row: span 2;
}

.faq {
  display: grid;
  gap: 13px;
  max-width: 920px;
  margin-inline: auto;
}

details {
  background: rgba(255, 255, 255, 0.74);
}

summary {
  cursor: pointer;
  padding: 20px 22px;
  color: var(--navy);
  font-weight: 900;
}

details p {
  padding: 0 22px 22px;
  color: var(--muted);
}

.authority {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 28px;
  align-items: center;
}

.authority-card {
  padding: 31px;
  border-left: 4px solid var(--gold);
}

.final-cta {
  padding: clamp(82px, 10vw, 128px) 0;
  background: url("images/01_mass_production.png") center / cover no-repeat;
}

/* ===== POD 紙の本イメージ ===== */
.pod-image {
  position: relative;
  z-index: 1;
  margin: 26px auto 4px;
  max-width: 760px;
  text-align: center;
}
.pod-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid rgba(215, 181, 93, 0.36);
  box-shadow: 0 16px 40px rgba(20, 30, 50, 0.16);
}
.pod-image figcaption {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--muted, #5b6472);
}

/* ===== 料金カード内 誌面サンプル ===== */
.plan-sample {
  margin: 16px 0 0;
}
.plan-sample img {
  width: 100%;
  height: auto;
  aspect-ratio: 1.66 / 1;
  object-fit: contain;
  display: block;
  border-radius: 8px;
  border: 1px solid rgba(215, 181, 93, 0.4);
  box-shadow: 0 8px 22px rgba(20, 30, 50, 0.12);
  background: #fff;
}
.plan-sample figcaption {
  margin-top: 7px;
  font-size: 0.74rem;
  color: var(--muted, #5b6472);
  text-align: center;
}

/* ===== 誌面サンプル（テキスト＋図解） ===== */
.spread-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  max-width: 920px;
  margin: 30px auto 0;
  align-items: start;
}
.spread-card figcaption {
  margin-top: 10px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy, #1b2a4a);
}
.spread-card {
  margin: 0;
  background: #fff;
  border: 1px solid rgba(215, 181, 93, 0.36);
  border-radius: 10px;
  box-shadow: 0 18px 44px rgba(20, 30, 50, 0.14);
  overflow: hidden;
  padding: 10px;
}
.spread-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 5px;
}
.spread-note {
  position: relative;
  z-index: 1;
  text-align: center;
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--muted, #5b6472);
}
@media (max-width: 820px) {
  .spread-grid { grid-template-columns: 1fr; gap: 16px; }
}

/* ===== サービス内容: 本を背景に敷いて透過スクリム＋文字オーバーレイ（プロ仕様） ===== */
.service-showcase {
  color: var(--white);
  background: url("images/01_mass_production.png") center / cover no-repeat;
}
.service-showcase::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(9, 17, 33, 0.9), rgba(15, 25, 45, 0.66) 58%, rgba(9, 17, 33, 0.82)),
    rgba(13, 22, 40, 0.55);
}
.service-showcase__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}
.service-showcase .eyebrow {
  color: var(--gold);
}
.service-showcase h2 {
  color: var(--white);
}
.service-showcase .large-text {
  color: rgba(255, 255, 255, 0.9);
}
.service-showcase .service-list div {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(215, 181, 93, 0.4);
  border-left: 3px solid var(--gold);
  border-radius: 8px;
  backdrop-filter: blur(8px);
}
.service-showcase .service-list strong {
  color: var(--gold);
}
.service-showcase .service-list p {
  color: rgba(255, 255, 255, 0.84);
}

.final-cta__image {
  display: none;
}

.final-cta__inner {
  max-width: 910px;
}

.final-cta h2 {
  max-width: 780px;
  margin: 12px 0 30px;
  color: var(--white);
  font-size: clamp(2rem, 6vw, 4rem);
}

.footer {
  padding: 28px 18px;
  color: rgba(255, 255, 255, 0.72);
  background: #0d1628;
  text-align: center;
  font-size: 0.86rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 920px) {
  .split,
  .media-section,
  .case-block,
  .pod-grid,
  .authority {
    grid-template-columns: 1fr;
  }

  .case-copy {
    position: static;
  }

  .funnel,
  .pricing,
  .flow {
    grid-template-columns: 1fr 1fr;
  }

  .funnel-step:not(:last-child)::after {
    display: none;
  }

  .genre-cta__inner {
    grid-template-columns: 1fr;
  }

  .genre-cta .button {
    grid-row: auto;
    width: fit-content;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 10px 14px;
  }

  .brand {
    max-width: 68%;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .header-cta {
    min-height: 38px;
    padding: 0 14px;
  }

  .hero {
    min-height: 90svh;
  }

  .hero__bg {
    background-position: 58% center;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(7, 15, 30, 0.94), rgba(7, 15, 30, 0.78) 68%, rgba(7, 15, 30, 0.5)),
      linear-gradient(0deg, rgba(7, 15, 30, 0.44), rgba(7, 15, 30, 0.14));
  }

  .hero__inner,
  .container {
    width: min(100% - 28px, 1140px);
  }

  .hero__inner {
    padding: 108px 0 60px;
  }

  .hero h1 {
    font-size: clamp(2.18rem, 12vw, 3.2rem);
  }

  .button {
    width: 100%;
    min-height: 54px;
    padding-inline: 18px;
    white-space: normal;
  }

  .concerns,
  .reason-grid,
  .funnel,
  .pricing,
  .flow {
    grid-template-columns: 1fr;
  }

  .concern {
    padding: 20px 18px 20px 50px;
  }

  .concern::before {
    left: 20px;
  }

  .reason,
  .price-card,
  .pod-main,
  .pod-quote,
  .authority-card,
  .simulation {
    padding: 22px;
  }

  .funnel-step,
  .flow-step {
    min-height: 144px;
  }

  .genre-cta__inner {
    padding: 24px 20px;
  }

  table {
    min-width: 500px;
  }

  th,
  td {
    padding: 14px 16px;
  }
}
