/* ================================
   Perfect Lady — Japanese Aesthetic
   Mobile-first responsive design
   ================================ */

:root {
  /* Japanese palette */
  --wine: #762033;          /* Japanese plum wine red */
  --wine-dark: #3F101C;     /* lacquer burgundy */
  --wine-light: #F2D8DE;    /* pale wine wash */
  --beni: #A72B3D;          /* beni red */
  --beni-deep: #73182A;     /* deep crimson */
  --beni-light: #F7D6DC;    /* soft red pink */
  --sakura: #F6B8C7;        /* cherry blossom pink */
  --sakura-pale: #FFF0F3;   /* pale sakura */
  --gold: #D0A15D;          /* sake label gold */
  --gold-deep: #9F6F34;     /* antique gold */
  --gold-light: #F7EAD0;    /* light gold */
  --sumi: #2D2A26;          /* sumi ink black-brown */
  --sumi-light: #5C5650;    /* lighter ink */
  --washi: #FFF9F1;         /* washi paper cream */
  --washi-warm: #F8EEE1;    /* warmer washi */
  --ai: #3B5998;            /* indigo blue */
  --ai-light: #E8EDF5;      /* light indigo */
  --midori: #5B8C5A;        /* pine green */
  --midori-light: #E8F0E6;  /* light green */
  --mizu: #7CB4B8;          /* water blue-green */
  --mizu-light: #EBF4F4;    /* light water */

  /* Spacing */
  --pad: 20px;
  --pad-lg: 32px;
  --max-w: 480px;
  --max-w-wide: 768px;

  /* Shape */
  --r: 12px;
  --r-lg: 20px;
  --r-full: 999px;

  /* Shadows */
  --shadow-card: 0 12px 32px rgba(63, 16, 28, 0.08);
  --shadow-card-hover: 0 18px 42px rgba(63, 16, 28, 0.14);
  --shadow-lux: 0 18px 46px rgba(63, 16, 28, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.58);
  --shadow-btn: 0 14px 30px rgba(118, 32, 51, 0.32), 0 0 0 1px rgba(247, 234, 208, 0.22);

  /* Transition */
  --ease: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ================================
   Reset & Base
   ================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  font-family: "Segoe UI", "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sumi);
  background:
    radial-gradient(circle at 18% 0%, rgba(246, 184, 199, 0.22), transparent 34rem),
    radial-gradient(circle at 90% 12%, rgba(208, 161, 93, 0.14), transparent 28rem),
    linear-gradient(180deg, var(--washi) 0%, #fffaf4 45%, var(--washi-warm) 100%);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* Canvas for sakura */
#sakura-canvas {
  position: fixed;
  inset: 0;
  z-index: 12;
  pointer-events: none;
  width: 100%;
  height: 100%;
}

/* ================================
   Washi paper texture overlay
   ================================ */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    /* Subtle noise / fiber texture */
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(118, 32, 51, 0.01) 2px,
      rgba(118, 32, 51, 0.01) 3px
    ),
    /* Warm gradient */
    radial-gradient(ellipse at 50% 0%, rgba(246, 184, 199, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 100%, rgba(208, 161, 93, 0.08) 0%, transparent 50%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0%, rgba(208, 161, 93, 0.08) 34%, transparent 52%),
    radial-gradient(circle at 78% 18%, rgba(159, 111, 52, 0.1), transparent 20rem);
  opacity: 0.7;
  animation: ambientGold 12s ease-in-out infinite alternate;
}

/* ================================
   Header — Mobile-first
   ================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  padding: 0 var(--pad);
  background:
    linear-gradient(180deg, rgba(63, 16, 28, 0.62) 0%, rgba(63, 16, 28, 0.24) 72%, rgba(63, 16, 28, 0) 100%);
  backdrop-filter: blur(0px);
  border-bottom: none;
  transition: background 400ms ease, box-shadow 400ms ease, backdrop-filter 400ms ease;
}

.header.scrolled {
  background: rgba(255, 249, 241, 0.94);
  backdrop-filter: blur(18px) saturate(1.35);
  box-shadow: 0 12px 34px rgba(63, 16, 28, 0.12);
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  z-index: 2;
  text-shadow: 0 2px 12px rgba(63, 16, 28, 0.36);
  transition: color var(--ease), text-shadow var(--ease);
}

.logo-icon {
  font-size: 1.4rem;
  color: #f7dfaa;
  filter: drop-shadow(0 0 10px rgba(208, 161, 93, 0.34));
  transform-origin: center;
  animation: sakuraSeal 5.8s ease-in-out infinite;
}

.logo-text {
  letter-spacing: 0.03em;
}

.header.scrolled .logo {
  color: var(--beni-deep);
  text-shadow: none;
}

.header.scrolled .logo-icon {
  color: var(--wine);
  filter: drop-shadow(0 0 8px rgba(208, 161, 93, 0.22));
}

/* Hamburger menu button */
.menu-btn {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--r);
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(63, 16, 28, 0.42)),
    rgba(63, 16, 28, 0.38);
  border: 1px solid rgba(247, 234, 208, 0.4);
  z-index: 2;
  box-shadow: 0 10px 28px rgba(63, 16, 28, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  transition: background var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.menu-btn::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: linear-gradient(110deg, transparent 38%, rgba(247, 234, 208, 0.36) 50%, transparent 62%);
  transform: translateX(-65%) rotate(8deg);
  animation: silkSweep 6.5s ease-in-out infinite;
}

.menu-btn:active {
  background: rgba(255, 255, 255, 0.24);
}

.header.scrolled .menu-btn {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(247, 234, 208, 0.58));
  border-color: rgba(118, 32, 51, 0.12);
  box-shadow: 0 8px 22px rgba(63, 16, 28, 0.08), inset 0 0 0 1px rgba(208, 161, 93, 0.14);
}

.menu-btn-bar {
  display: block;
  position: relative;
  z-index: 1;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
}

.header.scrolled .menu-btn-bar {
  background: var(--beni-deep);
}

.menu-btn-bar:nth-child(1) { margin-top: 0; }
.menu-btn-bar:nth-child(2) { margin: 4px 0; }

.menu-btn.is-open .menu-btn-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.menu-btn.is-open .menu-btn-bar:nth-child(2) {
  opacity: 0;
}
.menu-btn.is-open .menu-btn-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.menu-btn.is-open {
  background: rgba(255, 249, 241, 0.94);
  border-color: rgba(118, 32, 51, 0.12);
}

.menu-btn.is-open .menu-btn-bar {
  background: var(--beni-deep);
}

/* Nav menu — mobile drawer */
.nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(300px, 80vw);
  height: 100dvh;
  padding: 80px 24px 40px;
  background:
    radial-gradient(circle at 20% 0%, rgba(246, 184, 199, 0.24), transparent 14rem),
    linear-gradient(180deg, rgba(255, 249, 241, 0.98), rgba(248, 238, 225, 0.98));
  border-left: 1px solid rgba(118, 32, 51, 0.12);
  box-shadow: -14px 0 42px rgba(63, 16, 28, 0.18);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: right 420ms cubic-bezier(0.22, 0.61, 0.36, 1);
  overflow-y: auto;
}

.nav.is-open {
  right: 0;
}

.nav a {
  display: block;
  padding: 14px 18px;
  border-radius: var(--r);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--sumi-light);
  transition: all var(--ease);
}

.nav a:hover,
.nav a:active,
.nav a.active {
  color: var(--wine);
  background: rgba(118, 32, 51, 0.08);
}

/* Menu overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(63, 16, 28, 0.44);
  opacity: 0;
  pointer-events: none;
  transition: opacity 400ms ease;
}

.nav-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ================================
   Hero — Mobile-first
   ================================ */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100dvh;
  padding: 96px var(--pad) 34px;
  overflow: hidden;
  isolation: isolate;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero::before {
  background:
    radial-gradient(circle at 18% 18%, rgba(246, 184, 199, 0.22), transparent 18rem),
    radial-gradient(circle at 74% 88%, rgba(208, 161, 93, 0.16), transparent 16rem);
}

.hero::after {
  background: linear-gradient(180deg, rgba(63, 16, 28, 0) 62%, rgba(63, 16, 28, 0.18) 82%, rgba(255, 249, 241, 0.34) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: url("assets/images/banner.webp") 68% center/cover no-repeat;
  transform: scale(1.015);
  animation: heroBreath 18s ease-in-out infinite alternate;
}

.hero-mask {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg,
      rgba(63, 16, 28, 0.82) 0%,
      rgba(118, 32, 51, 0.6) 42%,
      rgba(63, 16, 28, 0.12) 74%,
      rgba(63, 16, 28, 0.02) 100%
    ),
    linear-gradient(180deg,
      rgba(63, 16, 28, 0.12) 0%,
      rgba(63, 16, 28, 0.18) 48%,
      rgba(63, 16, 28, 0.52) 100%
    );
}

.hero-mask::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0%, transparent 36%, rgba(247, 234, 208, 0.15) 47%, transparent 59%, transparent 100%),
    radial-gradient(circle at 86% 34%, rgba(255, 255, 255, 0.1), transparent 10rem);
  mix-blend-mode: screen;
  opacity: 0.7;
  transform: translateX(-16%);
  animation: heroSilk 9.5s ease-in-out infinite;
}

.hero-body {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  animation: heroRise 780ms cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.kicker {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  margin-bottom: 12px;
  padding: 5px 12px;
  border: 1px solid rgba(247, 234, 208, 0.34);
  border-radius: var(--r-full);
  background:
    linear-gradient(135deg, rgba(63, 16, 28, 0.42), rgba(118, 32, 51, 0.24));
  backdrop-filter: blur(8px);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #f7dfaa;
  text-shadow: 0 1px 8px rgba(45, 42, 38, 0.4);
}

.kicker::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 20%, rgba(247, 234, 208, 0.26) 50%, transparent 80%);
  transform: translateX(-120%);
  animation: foilText 6.8s ease-in-out infinite;
}

.hero-title {
  position: relative;
  max-width: 340px;
  margin-bottom: 16px;
  font-size: 2.68rem;
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: 0;
  color: #fff;
  text-shadow: 0 4px 30px rgba(45, 42, 38, 0.5);
}

.hero-title::after {
  content: "";
  display: block;
  width: 86px;
  height: 2px;
  margin-top: 16px;
  border-radius: var(--r-full);
  background: linear-gradient(90deg, var(--gold), rgba(247, 234, 208, 0.92), transparent);
  box-shadow: 0 0 18px rgba(208, 161, 93, 0.4);
}

.t-line { display: block; }

.t-accent {
  color: var(--sakura);
  text-shadow: 0 2px 20px rgba(244, 184, 193, 0.5);
}

.hero-desc {
  max-width: 345px;
  margin-bottom: 24px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255, 250, 245, 0.9);
  text-shadow: 0 2px 12px rgba(45, 42, 38, 0.4);
}

.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
  padding: 14px 24px;
  border-radius: var(--r-full);
  font-weight: 700;
  font-size: 0.92rem;
  color: #fff;
  background:
    linear-gradient(135deg, #B23A49 0%, var(--wine) 45%, var(--wine-dark) 100%);
  border: 1px solid rgba(247, 234, 208, 0.46);
  box-shadow: var(--shadow-btn);
  transition: transform var(--ease), box-shadow var(--ease);
}

.btn-main::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -55%;
  width: 38%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.36), transparent);
  transform: skewX(-18deg);
  animation: btnSheen 4.8s ease-in-out infinite;
}

.btn-main:active {
  transform: scale(0.96);
}

.btn-main svg {
  width: 18px;
  height: 18px;
}

/* Hero badges */
.hero-badges {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  align-self: stretch;
  width: auto;
  max-width: 360px;
  margin-top: 34px;
  animation: heroRise 820ms cubic-bezier(0.22, 0.61, 0.36, 1) 120ms both;
}

.badge {
  position: relative;
  overflow: hidden;
  min-height: 78px;
  padding: 12px 8px;
  border-radius: var(--r);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(118, 32, 51, 0.22)),
    rgba(63, 16, 28, 0.2);
  backdrop-filter: blur(14px) saturate(1.2);
  border: 1px solid rgba(247, 234, 208, 0.38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 10px 26px rgba(63, 16, 28, 0.16);
  text-align: center;
  transition: transform var(--ease), background var(--ease);
}

.badge::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 20%, rgba(247, 234, 208, 0.22) 48%, transparent 72%);
  transform: translateX(-120%);
  animation: foilText 7.2s ease-in-out infinite;
}

.badge > * {
  position: relative;
  z-index: 1;
}

.badge:active {
  transform: translateY(-2px);
  background: rgba(107, 29, 47, 0.32);
}

.badge strong {
  display: block;
  font-size: 1.42rem;
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 8px rgba(45, 42, 38, 0.3);
}

.badge span {
  display: block;
  margin-top: 2px;
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(255, 250, 245, 0.82);
}

/* ================================
   Slogan band
   ================================ */
.slogan-banner {
  position: relative;
  overflow: hidden;
  padding: 36px var(--pad) 38px;
  text-align: center;
  color: #fff;
  background:
    radial-gradient(circle at 18% 18%, rgba(246, 184, 199, 0.18), transparent 13rem),
    linear-gradient(135deg, var(--wine-dark) 0%, var(--wine) 48%, #9E293C 100%);
  box-shadow: inset 0 1px 0 rgba(247, 234, 208, 0.24);
}

.slogan-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 18px),
    radial-gradient(circle at 80% 20%, rgba(208, 161, 93, 0.2), transparent 14rem);
  opacity: 0.75;
}

.slogan-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 20%, rgba(247, 234, 208, 0.18) 48%, transparent 74%);
  transform: translateX(-100%);
  animation: silkSweep 8.2s ease-in-out infinite;
}

.slogan-banner > * {
  position: relative;
  z-index: 1;
}

.slogan-jp {
  font-size: 1.62rem;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.06em;
}

.slogan-vi {
  max-width: 320px;
  margin: 10px auto 0;
  font-size: 0.9rem;
  color: rgba(255, 249, 241, 0.86);
}

.slogan-ornament {
  display: inline-flex;
  margin-top: 16px;
  padding: 4px 12px;
  border-radius: var(--r-full);
  border: 1px solid rgba(247, 234, 208, 0.34);
  color: #f6dfad;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

/* ================================
   Sections — Shared
   ================================ */
.sec {
  position: relative;
  width: 100%;
  max-width: none;
  padding: 58px var(--pad);
  margin: 0;
  overflow: hidden;
}

.sec::before {
  content: "";
  position: absolute;
  top: 26px;
  left: var(--pad);
  width: 54px;
  height: 1px;
  border-radius: var(--r-full);
  background: linear-gradient(90deg, rgba(208, 161, 93, 0.72), rgba(118, 32, 51, 0));
  opacity: 0.72;
}

.sec > * {
  max-width: var(--max-w-wide);
  margin-inline: auto;
}

.sec-alt {
  background:
    radial-gradient(circle at 12% 10%, rgba(246, 184, 199, 0.16), transparent 18rem),
    linear-gradient(180deg, rgba(118, 32, 51, 0.06) 0%, rgba(255, 249, 241, 0.78) 42%, rgba(118, 32, 51, 0.04) 100%);
}

.sec-head {
  margin-bottom: 36px;
}

.sec-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--wine);
  padding: 4px 12px;
  border-radius: var(--r-full);
  background: rgba(118, 32, 51, 0.08);
  border: 1px solid rgba(118, 32, 51, 0.08);
}

.sec-kicker::before {
  content: "";
  width: 14px;
  height: 1px;
  border-radius: var(--r-full);
  background: var(--gold);
}

.sec-head h2 {
  font-size: 1.62rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--sumi);
  letter-spacing: 0;
}

.sec-sub {
  margin-top: 12px;
  font-size: 0.92rem;
  color: var(--sumi-light);
  line-height: 1.7;
  max-width: 600px;
}

.intro-layout,
.audience-layout,
.highlight-layout,
.ingredient-layout,
.notes-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.highlight-content {
  min-width: 0;
}

.product-frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-radius: var(--r-lg);
  border: 1px solid rgba(208, 161, 93, 0.22);
  background:
    radial-gradient(circle at 20% 0%, rgba(246, 184, 199, 0.2), transparent 13rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 241, 0.86));
  box-shadow: var(--shadow-lux);
  transform-origin: center;
  transition: transform var(--ease), box-shadow var(--ease);
}

.product-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(63, 16, 28, 0.02), transparent 48%, rgba(63, 16, 28, 0.2)),
    radial-gradient(circle at 85% 14%, rgba(247, 234, 208, 0.2), transparent 9rem);
}

.product-frame img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
  transition: transform 700ms ease;
}

.product-frame figcaption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  display: inline-flex;
  width: fit-content;
  max-width: calc(100% - 28px);
  padding: 7px 12px;
  border-radius: var(--r-full);
  color: #fff;
  background: rgba(63, 16, 28, 0.74);
  border: 1px solid rgba(247, 234, 208, 0.32);
  box-shadow: 0 10px 24px rgba(63, 16, 28, 0.18);
  backdrop-filter: blur(10px);
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1.35;
}

.product-frame-side img {
  aspect-ratio: 4 / 3;
}

.product-frame-strip {
  margin-top: 14px;
  background: rgba(255, 249, 241, 0.92);
}

.product-frame-strip img {
  height: auto;
  min-height: 0;
  aspect-ratio: 1122 / 1402;
  object-fit: contain;
  object-position: center top;
  background: rgba(255, 249, 241, 0.94);
}

/* ================================
   Intro
   ================================ */
.intro-card {
  position: relative;
  overflow: hidden;
  padding: 28px 24px;
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 249, 241, 0.82)),
    var(--washi);
  border: 1px solid rgba(118, 32, 51, 0.12);
  box-shadow: var(--shadow-lux);
}

.intro-card::before,
.info-card::after,
.aud-card::after,
.ing-card::after,
.note-card::after,
.fb-photo::after,
.fb-proof::after,
.product-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(130deg, transparent 0%, transparent 34%, rgba(208, 161, 93, 0.14) 48%, transparent 62%, transparent 100%);
  opacity: 0;
  transform: translateX(-34%);
}

.sec.revealed .intro-card::before,
.sec.revealed .info-card::after,
.sec.revealed .aud-card::after,
.sec.revealed .ing-card::after,
.sec.revealed .note-card::after,
.sec.revealed .fb-photo::after,
.sec.revealed .fb-proof::after,
.sec.revealed .product-frame::after {
  animation: cardGlimmer 1.15s ease-out both;
}

.intro-card p {
  font-size: 0.95rem;
  color: var(--sumi-light);
  line-height: 1.8;
}

.intro-card p + p {
  margin-top: 14px;
}

.intro-tag {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(118, 32, 51, 0.12);
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}

.intro-tag span:first-child {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--wine);
  letter-spacing: 0.08em;
}

.intro-tag span:last-child {
  font-size: 0.8rem;
  color: var(--sumi-light);
}

/* ================================
   Product Info
   ================================ */
.info-block {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-img {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lux);
  border: 1px solid rgba(208, 161, 93, 0.18);
}

.info-img::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(247, 234, 208, 0.1), transparent 42%, rgba(63, 16, 28, 0.12));
}

.info-img img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.info-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-card {
  position: relative;
  overflow: hidden;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  border-radius: var(--r);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 249, 241, 0.86));
  border: 1px solid rgba(208, 161, 93, 0.16);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.48);
  transition: transform var(--ease), box-shadow var(--ease);
}

.info-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), var(--wine));
  opacity: 0.9;
}

.info-card:active {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.info-num {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-weight: 800;
  font-size: 0.85rem;
  color: #fff;
  background: linear-gradient(135deg, #B33D4D, var(--wine-dark));
  box-shadow: 0 8px 18px rgba(118, 32, 51, 0.22);
}

.info-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--sumi);
  margin-bottom: 4px;
}

.info-card p {
  font-size: 0.85rem;
  color: var(--sumi-light);
  line-height: 1.6;
}

/* ================================
   Audience
   ================================ */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.aud-card {
  position: relative;
  overflow: hidden;
  padding: 22px 16px;
  border-radius: var(--r);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 241, 0.82));
  border: 1px solid rgba(208, 161, 93, 0.15);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.46);
  transition: transform var(--ease), box-shadow var(--ease);
  text-align: center;
}

.aud-card:active {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.aud-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  border-radius: 50%;
  color: var(--wine);
  background: linear-gradient(135deg, rgba(118, 32, 51, 0.1), rgba(246, 184, 199, 0.18));
  box-shadow: inset 0 0 0 1px rgba(118, 32, 51, 0.08);
}

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

.aud-card h3 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--sumi);
  margin-bottom: 6px;
}

.aud-card p {
  font-size: 0.8rem;
  color: var(--sumi-light);
  line-height: 1.55;
}

/* ================================
   Highlights
   ================================ */
.hl-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hl-item {
  position: relative;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid rgba(118, 32, 51, 0.08);
  transition: padding var(--ease);
}

.hl-item:active {
  padding-left: 4px;
}

.hl-dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--wine));
  box-shadow: 0 0 0 5px rgba(118, 32, 51, 0.1);
  animation: goldPulse 3.8s ease-in-out infinite;
}

.hl-item p {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sumi);
  line-height: 1.6;
}

.hl-quote {
  position: relative;
  overflow: hidden;
  margin-top: 28px;
  padding: 20px 24px;
  border-radius: var(--r);
  background: linear-gradient(135deg, rgba(118, 32, 51, 0.12), rgba(247, 234, 208, 0.42));
  border-left: 4px solid var(--wine);
  box-shadow: inset 0 0 0 1px rgba(118, 32, 51, 0.08);
}

.hl-quote::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 34%;
  background: linear-gradient(90deg, rgba(208, 161, 93, 0.15), transparent);
  pointer-events: none;
}

.hl-quote p {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--wine-dark);
  line-height: 1.7;
}

/* ================================
   Ingredient — 5 cards with images
   ================================ */
/* ================================
   Hormone Care Signs
   ================================ */
.solution-panel {
  position: relative;
  overflow: hidden;
  padding: 18px;
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 18% 0%, rgba(246, 184, 199, 0.18), transparent 16rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 249, 241, 0.78));
  border: 1px solid rgba(208, 161, 93, 0.18);
  box-shadow: var(--shadow-lux);
}

.solution-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(118, 32, 51, 0.025) 0 1px, transparent 1px 18px),
    linear-gradient(135deg, rgba(208, 161, 93, 0.12), transparent 32%);
}

.solution-panel > * {
  position: relative;
  z-index: 1;
}

.solution-intro {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  border-radius: 16px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(63, 16, 28, 0.94), rgba(118, 32, 51, 0.86));
  border: 1px solid rgba(247, 234, 208, 0.24);
  box-shadow: 0 16px 38px rgba(63, 16, 28, 0.18);
}

.solution-seal {
  flex: 0 0 46px;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: var(--wine-dark);
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  font-size: 1.24rem;
  font-weight: 900;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 10px 24px rgba(208, 161, 93, 0.2);
}

.solution-intro h3 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.solution-intro p {
  font-size: 0.84rem;
  line-height: 1.65;
  color: rgba(255, 249, 241, 0.86);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
  max-height: min(640px, 68vh);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 2px 6px 2px 0;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: rgba(118, 32, 51, 0.58) rgba(247, 234, 208, 0.58);
}

.solution-grid::-webkit-scrollbar {
  width: 7px;
}

.solution-grid::-webkit-scrollbar-track {
  border-radius: var(--r-full);
  background: rgba(247, 234, 208, 0.58);
}

.solution-grid::-webkit-scrollbar-thumb {
  border-radius: var(--r-full);
  background: linear-gradient(180deg, var(--gold), var(--wine));
  border: 2px solid rgba(255, 249, 241, 0.72);
}

.solution-card {
  position: relative;
  overflow: hidden;
  min-height: 146px;
  padding: 11px 9px 13px;
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 241, 0.86));
  border: 1px solid rgba(208, 161, 93, 0.16);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.solution-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), var(--wine));
}

.solution-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(130deg, transparent 0%, transparent 34%, rgba(208, 161, 93, 0.14) 48%, transparent 62%, transparent 100%);
  opacity: 0;
  transform: translateX(-34%);
}

.sec.revealed .solution-card::after {
  animation: cardGlimmer 1.15s ease-out both;
}

.solution-card > span {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  place-items: center;
  min-width: 30px;
  height: 23px;
  margin-bottom: 8px;
  padding: 0 8px;
  border-radius: var(--r-full);
  color: #fff;
  background: linear-gradient(135deg, var(--wine), var(--wine-dark));
  border: 1px solid rgba(247, 234, 208, 0.34);
  box-shadow: 0 8px 20px rgba(63, 16, 28, 0.18);
  font-size: 0.66rem;
  font-weight: 900;
}

.solution-card h3 {
  position: relative;
  z-index: 1;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--wine-dark);
  margin-bottom: 0;
  line-height: 1.28;
}

.solution-card p {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 7px;
  color: rgba(63, 16, 28, 0.72);
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.48;
}

.solution-note {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  color: var(--wine-dark);
  background: rgba(247, 234, 208, 0.46);
  border: 1px solid rgba(208, 161, 93, 0.18);
  font-size: 0.78rem;
  line-height: 1.55;
}

.ingredient-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.ing-card {
  position: relative;
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 241, 0.82));
  border: 1px solid rgba(208, 161, 93, 0.16);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.46);
  overflow: hidden;
  transition: transform var(--ease), box-shadow var(--ease);
}

.ing-card:active {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

/* Image area */
.ing-img {
  position: relative;
  width: 100%;
  aspect-ratio: 3/2;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(246, 184, 199, 0.34), transparent 11rem),
    linear-gradient(135deg, var(--sakura-pale), var(--wine-light), var(--gold-light));
}

.ing-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Kanji overlay badge */
.ing-kanji {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(63, 16, 28, 0.9);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  border: 1px solid rgba(247, 234, 208, 0.34);
  box-shadow: 0 8px 20px rgba(63, 16, 28, 0.26);
  backdrop-filter: blur(6px);
}

/* Text body */
.ing-body {
  padding: 20px;
}

.ing-num {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--wine);
  padding: 2px 10px;
  border-radius: var(--r-full);
  background: rgba(118, 32, 51, 0.08);
  border: 1px solid rgba(118, 32, 51, 0.08);
}

.ing-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--sumi);
  margin-bottom: 2px;
}

.ing-jp {
  display: block;
  margin-bottom: 10px;
  font-size: 0.72rem;
  color: var(--sumi-light);
  letter-spacing: 0.04em;
}

.ing-body p {
  font-size: 0.85rem;
  color: var(--sumi-light);
  line-height: 1.65;
}

/* ================================
   Notes
   ================================ */
.notes-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.note-card {
  position: relative;
  overflow: hidden;
  padding: 22px 20px;
  border-radius: var(--r);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 241, 0.82));
  border: 1px solid rgba(208, 161, 93, 0.16);
  border-top: 3px solid var(--wine);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.46);
  transition: transform var(--ease), box-shadow var(--ease);
}

.note-card:active {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.note-icon {
  font-size: 1.4rem;
  display: block;
  margin-bottom: 10px;
}

.note-card h3 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--sumi);
  margin-bottom: 6px;
}

.note-card p {
  font-size: 0.84rem;
  color: var(--sumi-light);
  line-height: 1.6;
}

/* ================================
   Feedback
   ================================ */
.fb-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
  max-width: 900px;
  margin-inline: auto;
}

.fb-video {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  width: 100%;
  max-width: 430px;
  margin-inline: auto;
  box-shadow: var(--shadow-lux);
  border: 1px solid rgba(208, 161, 93, 0.18);
  background: #12070b;
}

.fb-video-media,
.fb-video video,
.fb-video img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #12070b;
}

.fb-video::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(63, 16, 28, 0.08), rgba(63, 16, 28, 0.66));
  pointer-events: none;
  transition: opacity var(--ease);
}

.fb-video.is-playing::after {
  opacity: 0;
}

.fb-play {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 249, 241, 0.96);
  box-shadow: 0 10px 30px rgba(63, 16, 28, 0.22);
  transform: translate(-50%, -50%);
  transition: transform var(--ease);
  color: var(--wine);
  animation: goldPulse 3.4s ease-in-out infinite;
}

.fb-video.is-playing .fb-play,
.fb-video.is-playing .fb-video-meta {
  opacity: 0;
  pointer-events: none;
}

.fb-play:active {
  transform: translate(-50%, -50%) scale(1.08);
}

.fb-play svg {
  width: 24px;
  height: 24px;
  margin-left: 3px;
}

.fb-video-meta {
  position: absolute;
  bottom: 18px;
  left: 18px;
  right: 18px;
  z-index: 2;
  transition: opacity var(--ease);
}

.fb-video-tag {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2px;
}

.fb-video-meta strong {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.fb-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-content: start;
}

.fb-photo {
  position: relative;
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid rgba(208, 161, 93, 0.16);
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.42);
  transition: transform var(--ease);
  background: rgba(255, 249, 241, 0.88);
}

.fb-photo:active {
  transform: translateY(-2px);
}

.fb-photo img {
  width: 100%;
  height: 160px;
  object-fit: contain;
  padding: 6px;
  background:
    radial-gradient(circle at 18% 0%, rgba(246, 184, 199, 0.14), transparent 8rem),
    rgba(255, 249, 241, 0.92);
}

.fb-photo:first-child img {
  object-fit: contain;
  padding: 12px;
  background: linear-gradient(135deg, var(--sakura-pale), var(--gold-light));
}

.fb-photo span {
  display: block;
  padding: 10px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sumi-light);
}

.fb-proof {
  position: relative;
  display: block;
  width: 100%;
  max-width: 900px;
  margin: 18px auto 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid rgba(208, 161, 93, 0.22);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 241, 0.9)),
    var(--washi);
  box-shadow: var(--shadow-lux);
  text-decoration: none;
  color: inherit;
  transform-origin: center top;
  transition: transform var(--ease), box-shadow var(--ease);
}

.fb-proof img {
  display: block;
  width: 100%;
  height: auto;
  background: rgba(255, 249, 241, 0.95);
}

.fb-proof span {
  display: block;
  padding: 12px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--wine);
  background: rgba(255, 249, 241, 0.94);
  border-top: 1px solid rgba(208, 161, 93, 0.18);
}

@media (min-width: 700px) {
  .fb-block {
    grid-template-columns: minmax(300px, 0.95fr) minmax(260px, 1fr);
    gap: 20px;
    align-items: start;
  }

  .fb-video {
    justify-self: end;
    width: min(100%, 360px);
    aspect-ratio: 3 / 4;
  }

  .fb-photos {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    align-self: start;
  }

  .fb-photo img {
    height: 150px;
  }

  .fb-proof {
    margin-top: 22px;
  }
}

/* ================================
   Footer
   ================================ */
.footer {
  padding: 40px var(--pad) 36px;
  text-align: center;
  border-top: 1px solid rgba(118, 32, 51, 0.1);
  background:
    radial-gradient(circle at 50% 0%, rgba(246, 184, 199, 0.16), transparent 16rem),
    var(--washi);
}

.footer-divider {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--wine);
  filter: drop-shadow(0 0 10px rgba(208, 161, 93, 0.24));
}

.footer-divider svg {
  width: 100px;
  height: 12px;
}

.footer-brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--wine-dark);
  margin-bottom: 6px;
}

.footer p {
  font-size: 0.84rem;
  color: var(--sumi-light);
  line-height: 1.7;
}

.footer-note {
  margin-top: 6px;
  font-size: 0.75rem !important;
  color: #b0a4a0 !important;
}

/* ================================
   Scroll reveal animations
   ================================ */
@keyframes heroRise {
  from {
    opacity: 1;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroBreath {
  from {
    transform: scale(1.015) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.045) translate3d(-0.8%, 0.4%, 0);
  }
}

@keyframes heroSilk {
  0%, 42% {
    opacity: 0;
    transform: translateX(-36%);
  }
  58% {
    opacity: 0.78;
  }
  88%, 100% {
    opacity: 0;
    transform: translateX(36%);
  }
}

@keyframes silkSweep {
  0%, 54% {
    transform: translateX(-70%) rotate(8deg);
  }
  82%, 100% {
    transform: translateX(70%) rotate(8deg);
  }
}

@keyframes foilText {
  0%, 56% {
    opacity: 0;
    transform: translateX(-120%);
  }
  68% {
    opacity: 1;
  }
  86%, 100% {
    opacity: 0;
    transform: translateX(120%);
  }
}

@keyframes btnSheen {
  0%, 55% {
    left: -55%;
  }
  76%, 100% {
    left: 125%;
  }
}

@keyframes ambientGold {
  from {
    opacity: 0.46;
    transform: translate3d(-1%, -1%, 0);
  }
  to {
    opacity: 0.82;
    transform: translate3d(1%, 1%, 0);
  }
}

@keyframes sakuraSeal {
  0%, 100% {
    transform: rotate(0deg) scale(1);
  }
  50% {
    transform: rotate(-4deg) scale(1.04);
  }
}

@keyframes goldPulse {
  0%, 100% {
    box-shadow: 0 0 0 5px rgba(118, 32, 51, 0.1), 0 0 0 rgba(208, 161, 93, 0);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(118, 32, 51, 0.08), 0 0 18px rgba(208, 161, 93, 0.35);
  }
}

@keyframes cardRise {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes cardGlimmer {
  0% {
    opacity: 0;
    transform: translateX(-42%);
  }
  35% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(42%);
  }
}

.sec {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.sec.revealed {
  opacity: 1;
  transform: translateY(0);
}

.sec.revealed .intro-card,
.sec.revealed .product-frame,
.sec.revealed .info-img,
.sec.revealed .info-card,
.sec.revealed .aud-card,
.sec.revealed .hl-item,
.sec.revealed .hl-quote,
.sec.revealed .solution-card,
.sec.revealed .ing-card,
.sec.revealed .note-card,
.sec.revealed .fb-video,
.sec.revealed .fb-photo,
.sec.revealed .fb-proof {
  animation: cardRise 720ms cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.sec.revealed .info-card:nth-child(2),
.sec.revealed .aud-card:nth-child(2),
.sec.revealed .hl-item:nth-child(2),
.sec.revealed .solution-card:nth-child(2),
.sec.revealed .solution-card:nth-child(6),
.sec.revealed .solution-card:nth-child(10),
.sec.revealed .solution-card:nth-child(14),
.sec.revealed .ing-card:nth-child(2),
.sec.revealed .note-card:nth-child(2),
.sec.revealed .fb-photo:nth-child(2) {
  animation-delay: 90ms;
}

.sec.revealed .info-card:nth-child(3),
.sec.revealed .aud-card:nth-child(3),
.sec.revealed .hl-item:nth-child(3),
.sec.revealed .solution-card:nth-child(3),
.sec.revealed .solution-card:nth-child(7),
.sec.revealed .solution-card:nth-child(11),
.sec.revealed .solution-card:nth-child(15),
.sec.revealed .ing-card:nth-child(3),
.sec.revealed .note-card:nth-child(3),
.sec.revealed .fb-photo:nth-child(3) {
  animation-delay: 160ms;
}

.sec.revealed .aud-card:nth-child(4),
.sec.revealed .hl-item:nth-child(4),
.sec.revealed .solution-card:nth-child(4),
.sec.revealed .solution-card:nth-child(8),
.sec.revealed .solution-card:nth-child(12),
.sec.revealed .solution-card:nth-child(16),
.sec.revealed .ing-card:nth-child(4) {
  animation-delay: 230ms;
}

.sec.revealed .hl-item:nth-child(5),
.sec.revealed .ing-card:nth-child(5) {
  animation-delay: 300ms;
}

@media (max-width: 480px) {
  :root {
    --pad: 18px;
  }

  .header {
    height: 58px;
  }

  .logo {
    gap: 7px;
    font-size: 0.94rem;
  }

  .menu-btn {
    width: 40px;
    height: 40px;
  }

  .nav {
    width: min(292px, 86vw);
    padding: 76px 18px 32px;
  }

  .hero {
    min-height: 100svh;
    padding: 88px var(--pad) 30px;
  }

  .hero-bg {
    background-position: 74% center;
  }

  .kicker {
    max-width: 100%;
    font-size: 0.62rem;
    letter-spacing: 0.12em;
  }

  .hero-title {
    max-width: 315px;
    font-size: 2.48rem;
  }

  .hero-desc {
    max-width: 318px;
    font-size: 0.88rem;
  }

  .btn-main {
    padding: 13px 22px;
    font-size: 0.88rem;
  }

  .hero-badges {
    width: auto;
    max-width: 100%;
    gap: 7px;
    margin-top: 28px;
  }

  .badge {
    min-height: 72px;
    padding: 10px 6px;
  }

  .badge strong {
    font-size: 1.28rem;
  }

  .badge span {
    font-size: 0.66rem;
    line-height: 1.35;
  }

  .product-frame img {
    min-height: 168px;
  }

  .product-frame-strip img {
    height: auto;
    min-height: 0;
    aspect-ratio: 1122 / 1402;
    object-fit: contain;
  }

  .product-frame figcaption {
    left: 10px;
    right: 10px;
    bottom: 10px;
    max-width: calc(100% - 20px);
    font-size: 0.66rem;
  }

  .slogan-banner {
    padding-block: 32px 34px;
  }

  .slogan-jp {
    font-size: 1.48rem;
  }

  .sec {
    padding-block: 52px;
  }

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

  .sec-head h2 {
    font-size: 1.48rem;
  }

  .intro-card,
  .info-card,
  .aud-card,
  .note-card {
    border-radius: 14px;
  }

  .solution-panel {
    padding: 10px;
  }

  .solution-intro {
    padding: 12px;
    gap: 10px;
  }

  .solution-seal {
    flex-basis: 38px;
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }

  .solution-intro h3 {
    font-size: 0.9rem;
  }

  .solution-intro p {
    display: none;
  }

  .solution-grid {
    gap: 8px;
    max-height: min(560px, 66vh);
    padding-right: 5px;
  }

  .solution-card {
    min-height: 142px;
    padding: 9px 8px 11px;
    border-radius: 13px;
  }

  .solution-card > span {
    height: 22px;
    min-width: 28px;
    margin-bottom: 7px;
    font-size: 0.62rem;
  }

  .solution-card h3 {
    font-size: 0.7rem;
    line-height: 1.25;
  }

  .solution-card p {
    margin-top: 6px;
    font-size: 0.64rem;
    line-height: 1.42;
  }
}

@media (max-width: 360px) {
  .hero-title {
    max-width: 292px;
    font-size: 2.22rem;
  }

  .hero-badges {
    grid-template-columns: 1fr;
    max-width: 188px;
  }

  .badge {
    min-height: 62px;
  }
}

/* ================================
   Tablet — ≥768px
   ================================ */
@media (min-width: 768px) {
  :root {
    --pad: 32px;
    --pad-lg: 48px;
  }

  .header {
    height: 68px;
    padding: 0 var(--pad-lg);
  }

  /* Desktop nav: inline */
  .menu-btn { display: none; }

  .nav {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    flex-direction: row;
    gap: 2px;
    transition: none;
    overflow: visible;
  }

  .nav a {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: var(--r-full);
  }

  .header:not(.scrolled) .nav a {
    color: rgba(255, 249, 241, 0.9);
    text-shadow: 0 2px 12px rgba(63, 16, 28, 0.32);
  }

  .header:not(.scrolled) .nav a:hover,
  .header:not(.scrolled) .nav a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.16);
  }

  .hero {
    padding: 100px var(--pad-lg) 56px;
  }

  .hero-bg {
    background-position: center;
  }

  .hero-title {
    max-width: 520px;
    font-size: 3.55rem;
  }

  .hero-badges {
    max-width: 420px;
  }

  .badge strong {
    font-size: 1.62rem;
  }

  .slogan-jp {
    font-size: 2rem;
  }

  .sec-head h2 {
    font-size: 2rem;
  }

  .sec {
    padding: 80px var(--pad-lg);
  }

  .intro-layout,
  .audience-layout,
  .highlight-layout,
  .ingredient-layout,
  .notes-layout {
    grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1fr);
    gap: 24px;
    align-items: stretch;
  }

  .product-frame {
    height: 100%;
    min-height: 260px;
  }

  .product-frame img {
    min-height: 100%;
  }

  .product-frame-featured img,
  .product-frame-side img {
    aspect-ratio: auto;
  }

  .product-frame-strip {
    height: auto;
    min-height: 0;
  }

  .product-frame-strip img {
    height: auto;
    min-height: 0;
    aspect-ratio: 1122 / 1402;
    object-fit: contain;
  }

  .audience-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .audience-layout .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-block {
    flex-direction: row;
    align-items: flex-start;
  }

  .info-img {
    flex: 1;
    max-width: 45%;
  }

  .info-cards {
    flex: 1;
  }

  .hl-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .highlight-layout .hl-grid {
    grid-template-columns: 1fr;
  }

  .hl-item {
    border-bottom: none;
    padding: 14px 0;
  }

  .ingredient-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ingredient-layout .ingredient-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .solution-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .notes-grid {
    flex-direction: row;
  }

  .notes-layout .notes-grid {
    flex-direction: column;
  }

  .note-card {
    flex: 1;
  }

  .fb-block {
    grid-template-columns: minmax(300px, 0.95fr) minmax(260px, 1fr);
    gap: 20px;
    align-items: start;
  }

  .fb-video {
    justify-self: end;
    width: min(100%, 360px);
    aspect-ratio: 3 / 4;
    max-height: none;
    min-height: 0;
  }

  .fb-photos {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    align-self: stretch;
  }

  .fb-photo img {
    height: 150px;
  }
}

/* ================================
   Desktop — ≥1024px
   ================================ */
@media (min-width: 1024px) {
  :root {
    --pad: 48px;
  }

  .hero-body {
    max-width: 560px;
  }

  .hero-title {
    font-size: 4.05rem;
  }

  .sec {
    padding: 100px var(--pad);
  }

  .hero-badges {
    max-width: 480px;
  }

  .btn-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(180, 58, 75, 0.38);
  }

  .badge:hover {
    transform: translateY(-3px);
    background: rgba(107, 29, 47, 0.35);
  }

  .info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
  }

  .aud-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
  }

  .hl-item:hover {
    padding-left: 8px;
  }

  .ing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
  }

  .note-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
  }

  .product-frame:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
  }

  .product-frame:hover img {
    transform: scale(1.035);
  }

  .fb-play:hover {
    transform: translate(-50%, -50%) scale(1.12);
  }

  .fb-photo:hover {
    transform: translateY(-3px);
  }

  .fb-proof:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
  }

  .fb-block {
    max-width: 860px;
    grid-template-columns: 360px 1fr;
    gap: 24px;
  }

  .fb-video {
    width: 360px;
  }

  .fb-photo img {
    height: 150px;
  }

  .fb-proof {
    max-width: 860px;
  }

  .ingredient-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .solution-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1023px) {
  .menu-btn {
    display: grid !important;
    position: fixed;
    top: 9px;
    right: var(--pad);
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 86vw);
    height: 100dvh;
    padding: 80px 24px 40px;
    background:
      radial-gradient(circle at 20% 0%, rgba(246, 184, 199, 0.24), transparent 14rem),
      linear-gradient(180deg, rgba(255, 249, 241, 0.98), rgba(248, 238, 225, 0.98));
    border-left: 1px solid rgba(118, 32, 51, 0.12);
    box-shadow: -14px 0 42px rgba(63, 16, 28, 0.18);
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: right 420ms cubic-bezier(0.22, 0.61, 0.36, 1);
    overflow-y: auto;
  }

  .nav.is-open {
    right: 0;
  }

  .nav a {
    display: block;
    padding: 14px 18px;
    border-radius: var(--r);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--sumi-light);
    text-shadow: none;
  }

  .nav a:hover,
  .nav a:active,
  .nav a.active {
    color: var(--wine);
    background: rgba(118, 32, 51, 0.08);
  }
}

/* ================================
   Reduced motion
   ================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  #sakura-canvas { display: none; }
  .sec { opacity: 1; transform: none; transition: none; }
  body::before,
  .logo-icon,
  .hero-bg,
  .hero-mask::after,
  .kicker::after,
  .menu-btn::before,
  .slogan-banner::after,
  .badge::before,
  .hl-dot,
  .fb-play,
  .sec.revealed .intro-card,
  .sec.revealed .product-frame,
  .sec.revealed .info-img,
  .sec.revealed .info-card,
  .sec.revealed .aud-card,
  .sec.revealed .hl-item,
  .sec.revealed .hl-quote,
  .sec.revealed .solution-card,
  .sec.revealed .ing-card,
  .sec.revealed .note-card,
  .sec.revealed .fb-video,
  .sec.revealed .fb-photo {
    animation: none;
  }
  .hero-body,
  .hero-badges,
  .btn-main::after {
    animation: none;
  }
  *, *::before, *::after { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}