:root {
  --navy: #03006b;
  --yellow: #ffce00;
  --yellow-deep: #edaf00;
  --sky: #00b7ff;
  --orange: #ff8b00;
  --orange-deep: #ef7f00;
  --cream: #f4edea;
  --text: #272727;
  --text-soft: #464646;
  --brown: #2a2323;
  --white: #ffffff;
  --line: rgba(3, 0, 107, 0.08);
  --shadow-soft: 0 8px 22px rgba(3, 0, 107, 0.08);
  --header-h: 92px;
  --container: 1120px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --transition: 0.25s ease;
  --fun: #ff8b00;
  --fun-soft: #fff3df;
  --real: #03006b;
  --real-soft: #eef1ff;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  background: #ffffff;
  overscroll-behavior-y: none;
}

body {
  margin: 0;
  color: var(--text);
  background: #ffffff;
  font-family: "M PLUS Rounded 1c", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.section-inner {
  width: min(var(--container), calc(100% - 96px));
  margin: 0 auto;
}

.narrow-inner {
  width: min(920px, calc(100% - 96px));
}

main {
  padding-top: var(--header-h);
  background: #fff;
}

.section-white {
  background: var(--white);
}

/* REVEAL */
.reveal {
  opacity: 0;
  transform: translate3d(0, 34px, 0);
  transition:
    opacity 0.75s ease,
    transform 0.75s ease;
  will-change: opacity, transform;
}

.reveal-left {
  transform: translate3d(-34px, 0, 0);
}

.reveal-right {
  transform: translate3d(34px, 0, 0);
}

.reveal-up {
  transform: translate3d(0, 34px, 0);
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.reveal-float {
  animation: gentleFloat 4.2s ease-in-out infinite;
}

@keyframes gentleFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* HEADER */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
}

.header-inner {
  width: min(1280px, calc(100% - 56px));
  height: var(--header-h);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-logo {
  flex: 0 0 auto;
  margin-right: 18px;
  height: 100%;
  display: flex;
  align-items: center;
  padding-block: 12px;
}

.site-logo img {
  width: 142px;
  max-height: 100%;
  height: auto;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.site-nav a {
  font-size: 0.82rem;
  font-weight: 700;
  color: #161616;
  position: relative;
  transition: color var(--transition);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 3px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.site-nav a:hover,
.site-nav a.is-current {
  color: var(--navy);
}

.site-nav a:hover::after,
.site-nav a.is-current::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 18px;
}

.header-sns {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-sns-link {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #f7f5f2;
  color: var(--navy);
  border: 1px solid rgba(3, 0, 107, 0.08);
  transition: transform var(--transition), background var(--transition);
}

.header-sns-link:hover {
  transform: translateY(-1px);
  background: #fff1c9;
}

.header-sns-icon {
  width: 20px;
  height: 20px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--white);
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 8px 18px rgba(255, 139, 0, 0.16);
  transition: transform var(--transition), box-shadow var(--transition);
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(255, 139, 0, 0.2);
}

.nav-toggle {
  display: none;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 30px;
  height: 3px;
  margin: 6px auto;
  border-radius: 999px;
  background: var(--brown);
  transition: transform var(--transition), opacity var(--transition);
}

/* HERO */
.secret-hero-section {
  position: relative;
  background: #ece7e2;
}

.secret-hero-media {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  overflow: hidden;
}

.secret-hero-media picture {
  display: block;
  width: 100%;
}

.secret-hero-image {
  width: 100%;
  height: calc(100vh - var(--header-h));
  min-height: 620px;
  object-fit: cover;
  object-position: center center;
}

.secret-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 0, 107, 0.68) 0%, rgba(3, 0, 107, 0.26) 48%, rgba(3, 0, 107, 0.08) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.06) 0%, rgba(0, 0, 0, 0.12) 100%);
}

.secret-hero-copy {
  position: absolute;
  left: min(7vw, 90px);
  bottom: 11%;
  z-index: 2;
  width: min(620px, 52vw);
  color: var(--white);
}

.secret-hero-kicker {
  margin: 0 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 206, 0, 0.96);
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.secret-hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4vw, 4.1rem);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.secret-hero-copy h1 span {
  color: var(--yellow);
}

.secret-hero-sub {
  margin: 0;
  font-size: clamp(1rem, 1.35vw, 1.24rem);
  line-height: 1.9;
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* FLOATING CTA */
.floating-ctas {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 950;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.floating-cart,
.floating-sample {
  width: 138px;
  height: 138px;
  border-radius: 50%;
}

.floating-cart {
  background: var(--orange);
  color: var(--white);
  box-shadow: 0 12px 24px rgba(255, 139, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  padding: 18px 14px;
  transition: transform var(--transition);
}

.floating-cart:hover {
  transform: translateY(-3px);
}

.floating-cart-icon-wrap {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
}

.floating-cart-icon-svg {
  width: 46px;
  height: 46px;
  color: var(--white);
}

.floating-cart-text {
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1.1;
  white-space: nowrap;
}

.floating-sample {
  position: relative;
  display: block;
  transition: transform var(--transition);
}

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

.floating-sample-rotator {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 50%;
  animation: sampleSpin 14s linear infinite;
}

.floating-sample-rotator::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 14% 28%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 34% 16%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 56% 12%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 78% 20%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 88% 38%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 86% 64%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 72% 84%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 48% 92%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 24% 86%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 10% 66%, #fff 0 18px, transparent 19px),
    radial-gradient(circle at 8% 46%, #fff 0 18px, transparent 19px),
    linear-gradient(#fff, #fff);
  border-radius: 50%;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.08));
}

@keyframes sampleSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.floating-sample-image {
  position: absolute;
  z-index: 3;
  top: 8px;
  left: 50%;
  width: 96px;
  transform: translateX(-50%);
  filter: drop-shadow(0 4px 8px rgba(3, 0, 107, 0.12));
}

.floating-sample-text {
  position: absolute;
  left: 50%;
  bottom: 22px;
  z-index: 3;
  transform: translateX(-50%);
  color: #ef7f00;
  font-size: 0.66rem;
  font-weight: 900;
  white-space: nowrap;
  letter-spacing: 0;
}

/* GENERAL */
.message-section,
.secret-intro-section,
.principle-section,
.secret-cta-section,
.contact-section {
  padding: 88px 0;
}

.section-eyebrow {
  margin: 0 0 12px;
  color: var(--orange-deep);
  font-size: 1rem;
  font-weight: 900;
  text-align: center;
  letter-spacing: 0.08em;
}

/* MESSAGE */
.message-heading {
  margin-bottom: 36px;
  text-align: center;
}

.message-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.65rem, 2.8vw, 2.8rem);
  line-height: 1.35;
  font-weight: 900;
}

.message-video-wrap {
  margin-bottom: 34px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 18px 38px rgba(3, 0, 107, 0.08);
  background: #000;
}

.message-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.message-letter {
  position: relative;
  background: linear-gradient(180deg, #fff9ec 0%, #ffffff 100%);
  border: 1px solid rgba(255, 206, 0, 0.35);
  border-radius: 28px;
  padding: 32px 30px 28px;
  box-shadow: 0 12px 28px rgba(255, 206, 0, 0.08);
}

.message-letter-lead {
  margin-bottom: 24px;
  color: var(--navy);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.9;
  font-weight: 900;
  text-align: center;
}

.message-letter-body {
  position: relative;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 2.05;
  font-weight: 600;
  transition: max-height 0.45s ease;
  overflow: hidden;
}

.message-letter-body.is-collapsed {
  max-height: 16.8em;
}

.message-letter-body:not(.is-collapsed) {
  max-height: 9999px;
}

.message-letter-body.is-collapsed::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, #ffffff 72%);
  pointer-events: none;
}

.message-letter-body p {
  margin: 0 0 1em;
}

.message-letter-action {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.more-button {
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  min-height: 54px;
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--white);
  font-size: 0.96rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 10px 18px rgba(255, 139, 0, 0.14);
  transition: transform var(--transition), box-shadow var(--transition);
}

.more-button:hover {
  transform: translateY(-1px);
}

/* INTRO */
.secret-intro-section {
  padding-top: 18px;
  padding-bottom: 42px;
}

.secret-intro-shell {
  position: relative;
  background: transparent;
  border-radius: 0;
  padding: 54px 56px;
  overflow: visible;
  box-shadow: none;
}

.secret-intro-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.secret-intro-content h2 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: clamp(1.7rem, 2.7vw, 3rem);
  line-height: 1.4;
  font-weight: 900;
}

.fun-word {
  color: var(--orange-deep);
}

.real-word {
  color: var(--navy);
}

.secret-intro-lead {
  margin: 0;
  color: #333;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.85;
  font-weight: 800;
}

.secret-intro-mini {
  position: absolute;
  width: min(15vw, 170px);
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}

.secret-intro-mini-left {
  left: 34px;
  bottom: 24px;
  transform: rotate(-8deg);
}

.secret-intro-mini-right {
  right: 34px;
  top: 28px;
  transform: rotate(8deg);
}

/* NAV */
.secret-nav-section {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  padding: 0 0 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.86) 100%);
  backdrop-filter: blur(8px);
}

.secret-pill-nav {
  display: flex;
  justify-content: center;
  gap: 14px;
}

.secret-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 134px;
  min-height: 52px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  box-shadow: 0 10px 24px rgba(3, 0, 107, 0.08);
  transition: transform var(--transition), box-shadow var(--transition);
}

.secret-pill:hover {
  transform: translateY(-1px);
}

.secret-pill-fun {
  background: var(--fun);
  color: #fff;
}

.secret-pill-real {
  background: var(--real);
  color: #fff;
}

/* PRINCIPLES */
.principle-section {
  scroll-margin-top: 148px;
}

.principle-fun {
  background: linear-gradient(180deg, #fff9ef 0%, #ffffff 100%);
}

.principle-real {
  background: linear-gradient(180deg, #f5f7ff 0%, #ffffff 100%);
}

.principle-head {
  max-width: 860px;
  margin: 0 auto 40px;
  text-align: center;
}

.principle-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 116px;
  min-height: 42px;
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 16px;
  font-size: 0.92rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.principle-label-fun {
  background: var(--fun);
  color: #fff;
}

.principle-label-real {
  background: var(--real);
  color: #fff;
}

.principle-head h2 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: clamp(1.7rem, 2.7vw, 2.8rem);
  line-height: 1.42;
  font-weight: 900;
}

.principle-sub {
  margin: 0 0 16px;
  color: var(--orange-deep);
  font-size: 1.15rem;
  font-weight: 900;
}

.principle-text {
  margin: 0 auto;
  max-width: 760px;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 2;
  font-weight: 600;
}

.story-grid {
  display: grid;
  gap: 28px;
}

.story-card {
  display: grid;
  gap: 28px;
  align-items: center;
  border-radius: 32px;
  padding: 30px;
  box-shadow: 0 18px 32px rgba(3, 0, 107, 0.06);
  border: 1px solid rgba(3, 0, 107, 0.06);
  overflow: hidden;
}

.principle-fun .story-card {
  background: #fff;
}

.principle-real .story-card {
  background: #fff;
}

.story-card-feature {
  grid-template-columns: minmax(360px, 1.1fr) minmax(260px, 0.9fr);
}

.story-card-split {
  grid-template-columns: minmax(260px, 0.9fr) minmax(360px, 1.1fr);
}

.story-card-split.reverse {
  grid-template-columns: minmax(360px, 1.1fr) minmax(260px, 0.9fr);
}

.story-video {
  width: 100%;
  border-radius: 24px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.story-video video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.story-content {
  position: relative;
}

.story-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.chip-fun {
  background: var(--fun-soft);
  color: var(--orange-deep);
}

.chip-real {
  background: var(--real-soft);
  color: var(--navy);
}

.chip-number {
  background: #fff3df;
  color: var(--orange-deep);
}

.chip-number-real {
  background: #eef1ff;
  color: var(--navy);
}

.story-content h3 {
  margin: 0 0 12px;
  color: #222;
  font-size: clamp(1.25rem, 1.85vw, 1.8rem);
  line-height: 1.45;
  font-weight: 900;
}

.story-content p {
  margin: 0;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 2;
  font-weight: 600;
}

/* CTA */
.secret-cta-section {
  background: linear-gradient(180deg, #fffdf8 0%, #fff4de 100%);
}

.secret-cta-card {
  text-align: center;
  background: #fff;
  border-radius: 34px;
  padding: 52px 34px;
  box-shadow: 0 18px 38px rgba(255, 139, 0, 0.1);
  border: 1px solid rgba(255, 139, 0, 0.12);
}

.secret-cta-kicker {
  margin: 0 0 10px;
  color: var(--orange-deep);
  font-size: 1rem;
  font-weight: 900;
}

.secret-cta-card h2 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: clamp(1.6rem, 2.4vw, 2.5rem);
  line-height: 1.45;
  font-weight: 900;
}

.secret-cta-card p {
  margin: 0 0 24px;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.95;
  font-weight: 600;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  min-height: 58px;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--white);
  font-size: 1rem;
  font-weight: 900;
  box-shadow: 0 10px 18px rgba(255, 139, 0, 0.14);
  transition: transform var(--transition), box-shadow var(--transition);
}

.primary-button:hover {
  transform: translateY(-1px);
}

/* CONTACT */
.contact-section {
  padding-top: 40px;
  padding-bottom: 64px;
  background: var(--white);
}

.contact-title {
  margin: 0 0 28px;
  text-align: center;
  color: #1f1f1f;
  font-size: clamp(1.6rem, 2vw, 2.2rem);
  line-height: 1.2;
  font-weight: 900;
}

.contact-bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  background: transparent;
}

.contact-item {
  min-height: 126px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px 22px;
  color: #111;
  font-size: 1rem;
  font-weight: 800;
  background: #fff6d6;
  border: 2px solid rgba(255, 206, 0, 0.5);
  border-radius: 24px;
  box-shadow: 0 10px 22px rgba(255, 206, 0, 0.08);
}

.contact-item span:last-child {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.contact-item strong {
  font-size: 1.02rem;
  font-weight: 900;
}

.contact-item small {
  font-size: 1.02rem;
  font-weight: 700;
  color: #333;
}

.contact-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  line-height: 1;
  flex-shrink: 0;
}

.contact-icon-svg {
  width: 24px;
  height: 24px;
}

.contact-note {
  margin: 18px 0 0;
  padding: 0;
  background: transparent;
  color: #555;
  text-align: center;
  font-size: 0.94rem;
  font-weight: 700;
}

/* FOOTER */
.site-footer {
  background: #171717;
  color: rgba(255, 255, 255, 0.88);
  padding: 24px 0 34px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  font-size: 0.92rem;
  font-weight: 700;
}

.footer-sns {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-sns-link {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transition: transform var(--transition), background var(--transition);
}

.footer-sns-link:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.16);
}

.footer-sns-icon {
  width: 20px;
  height: 20px;
}

.footer-copy {
  margin: 0;
  text-align: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
}

/* RESPONSIVE */
@media (max-width: 1280px) {
  .floating-cart,
  .floating-sample {
    width: 126px;
    height: 126px;
  }

  .floating-cart-text,
  .floating-sample-text {
    font-size: 0.7rem;
  }

  .floating-sample-image {
    width: 88px;
  }
}

@media (max-width: 1100px) {
  .site-nav {
    gap: 18px;
  }

  .secret-hero-copy {
    width: min(560px, 58vw);
  }

  .secret-intro-mini {
    width: min(16vw, 150px);
  }
}

@media (max-width: 980px) {
  :root {
    --header-h: 84px;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    width: min(82vw, 340px);
    height: calc(100vh - var(--header-h));
    padding: 26px 20px 30px;
    background:
      linear-gradient(rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.18)),
      url("img/menusp@2x.png") center top / cover no-repeat;
    box-shadow: -10px 0 24px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .site-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 56px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 16px;
    box-shadow: 0 8px 18px rgba(3, 0, 107, 0.08);
    color: var(--navy);
    font-size: 0.95rem;
    text-align: center;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .nav-toggle {
    display: inline-block;
  }

  .nav-toggle.is-active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  .header-actions {
    margin-left: auto;
  }

  .secret-hero-image {
    min-height: 560px;
  }

  .secret-hero-copy {
    left: 24px;
    right: 24px;
    bottom: 8%;
    width: auto;
  }

  .secret-intro-shell {
    padding: 44px 24px;
  }

  .secret-intro-mini {
    display: none;
  }

  .story-card-feature,
  .story-card-split,
  .story-card-split.reverse {
    grid-template-columns: 1fr;
  }

  .contact-bar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  :root {
    --header-h: 80px;
  }

  .section-inner,
  .narrow-inner {
    width: calc(100% - 24px);
  }

  .message-section,
  .secret-intro-section,
  .principle-section,
  .secret-cta-section,
  .contact-section {
    padding: 56px 0;
  }

  .header-inner {
    width: calc(100% - 18px);
    gap: 10px;
  }

  .site-logo {
    padding-block: 10px;
  }

  .site-logo img {
    width: 108px;
  }

  .header-actions {
    gap: 8px;
  }

  .header-sns {
    gap: 6px;
  }

  .header-sns-link {
    width: 34px;
    height: 34px;
  }

  .header-sns-icon {
    width: 18px;
    height: 18px;
  }

  .header-cta {
    min-width: 0;
    padding: 10px 13px;
    font-size: 0.82rem;
  }

  .nav-toggle {
    width: 46px;
    height: 46px;
  }

  .nav-toggle span {
    width: 28px;
    height: 3px;
    margin: 5px auto;
  }

  .secret-hero-media {
    min-height: auto;
  }

  .secret-hero-image {
    width: 100vw;
    max-width: none;
    height: auto;
    min-height: auto;
    aspect-ratio: 3 / 4.35;
    object-fit: cover;
    object-position: center top;
  }

  .secret-hero-overlay {
    background:
      linear-gradient(180deg, rgba(3, 0, 107, 0.2) 0%, rgba(3, 0, 107, 0.5) 55%, rgba(3, 0, 107, 0.8) 100%);
  }

  .secret-hero-copy {
    left: 12px;
    right: 12px;
    bottom: 18px;
  }

  .secret-hero-kicker {
    min-height: 36px;
    padding: 7px 14px;
    font-size: 0.85rem;
  }

  .secret-hero-copy h1 {
    font-size: 2.15rem;
    line-height: 1.28;
    margin-bottom: 12px;
  }

  .secret-hero-sub {
    font-size: 0.96rem;
    line-height: 1.8;
  }

  .floating-ctas {
    right: 6px;
    top: auto;
    bottom: 74px;
    transform: none;
    gap: 10px;
  }

  .floating-cart {
    display: none;
  }

  .floating-sample {
    width: 84px;
    height: 84px;
  }

  .floating-sample-image {
    width: 62px;
    top: 3px;
    left: 50%;
    transform: translateX(-50%);
  }

  .floating-sample-text {
    bottom: 11px;
    font-size: 0.42rem;
  }

  .message-heading h2 {
    font-size: 1.7rem;
    line-height: 1.45;
  }

  .message-video-wrap {
    border-radius: 20px;
  }

  .message-letter {
    border-radius: 22px;
    padding: 24px 18px 22px;
  }

  .message-letter-lead {
    font-size: 1rem;
    line-height: 1.9;
    text-align: left;
  }

  .message-letter-body {
    font-size: 0.95rem;
    line-height: 1.95;
  }

  .message-letter-body.is-collapsed {
    max-height: 15.8em;
  }

  .secret-intro-section {
    padding-top: 8px;
    padding-bottom: 28px;
  }

  .secret-intro-shell {
    border-radius: 24px;
    padding: 34px 16px;
  }

  .secret-intro-content h2 {
    font-size: 1.8rem;
    line-height: 1.5;
  }

  .secret-intro-lead {
    font-size: 0.98rem;
    line-height: 1.8;
  }

  .secret-nav-section {
    top: var(--header-h);
    padding-bottom: 12px;
  }

  .secret-pill-nav {
    gap: 10px;
  }

  .secret-pill {
    min-width: 112px;
    min-height: 46px;
    padding: 10px 18px;
    font-size: 0.9rem;
  }

  .principle-section {
    scroll-margin-top: 136px;
  }

  .principle-head {
    margin-bottom: 28px;
  }

  .principle-head h2 {
    font-size: 1.75rem;
    line-height: 1.5;
  }

  .principle-sub {
    font-size: 1rem;
    margin-bottom: 12px;
  }

  .principle-text {
    font-size: 0.95rem;
    line-height: 1.9;
  }

  .story-grid {
    gap: 18px;
  }

  .story-card {
    border-radius: 22px;
    padding: 18px;
    gap: 18px;
  }

  .story-video {
    border-radius: 18px;
  }

  .story-content h3 {
    font-size: 1.24rem;
    line-height: 1.5;
  }

  .story-content p {
    font-size: 0.94rem;
    line-height: 1.9;
  }

  .secret-cta-card {
    border-radius: 24px;
    padding: 34px 18px;
  }

  .secret-cta-card h2 {
    font-size: 1.7rem;
    line-height: 1.5;
  }

  .secret-cta-card p {
    font-size: 0.95rem;
    line-height: 1.9;
  }

  .contact-title {
    font-size: 1.75rem;
  }

  .contact-item {
    min-height: 98px;
    font-size: 1rem;
    gap: 10px;
  }

  .contact-item small {
    font-size: 0.9rem;
    word-break: break-word;
  }

  .contact-icon {
    width: 44px;
    height: 44px;
  }

  .contact-icon-svg {
    width: 20px;
    height: 20px;
  }

  .contact-note {
    font-size: 0.88rem;
  }

  .footer-nav {
    gap: 16px;
  }

  .footer-nav a,
  .footer-copy {
    font-size: 0.84rem;
  }
}

@media (max-width: 520px) {
  .secret-hero-copy h1 {
    font-size: 1.9rem;
  }

  .secret-hero-sub {
    font-size: 0.9rem;
  }

  .message-letter-body {
    font-size: 0.92rem;
  }
}