/* =============================================================
   Shiro - 余白  ｜  Landing Page Stylesheet
   produced by yohaku Co., Ltd.
   ============================================================= */

:root {
  /* color palette aligned with the app (note風・余白系) */
  --bg: #faf9f6;
  --bg-soft: #f3efe8;
  --bg-card: #ffffff;
  --line: #e8e2d6;
  --line-soft: #efe8da;
  --text: #2c241c;
  --text-soft: #5a4a3a;
  --text-mute: #8a7b6e;
  --gold: #c8a87a;
  --gold-soft: #d4b896;
  --gold-bg: rgba(212, 184, 150, 0.12);
  --sakura: #f1d8d4;
  --shadow-soft: 0 30px 60px -30px rgba(50, 36, 24, 0.16);
  --shadow-card: 0 20px 50px -28px rgba(50, 36, 24, 0.18);

  --serif: "Noto Serif JP", "Cormorant Garamond", "Hiragino Mincho ProN",
    serif;
  --sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "ヒラギノ角ゴシック", sans-serif;
  --display: "Cormorant Garamond", "Noto Serif JP", serif;

  --container: 1100px;
  --radius: 14px;
  --radius-lg: 22px;
  --transition: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.85;
  font-weight: 400;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--transition);
}

a:hover {
  color: var(--gold);
}

button {
  font: inherit;
  cursor: pointer;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  background: var(--text);
  color: var(--bg);
  padding: 8px 14px;
  border-radius: 999px;
  z-index: 100;
}

/* =========================
   Header
   ========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 249, 246, 0.78);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--transition),
    background 0.3s var(--transition);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(250, 249, 246, 0.92);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(50, 36, 24, 0.08));
}
.brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-name {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.brand-sub {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--text-mute);
}
.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 500;
}
.nav a {
  color: var(--text-soft);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg) !important;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.nav-cta:hover {
  background: var(--text-soft);
  color: var(--bg) !important;
}

/* =========================
   Hero
   ========================= */
.hero {
  position: relative;
  padding: 120px 0 130px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
}
.orb-a {
  top: -80px;
  left: -60px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(212, 184, 150, 0.55), transparent 65%);
}
.orb-b {
  top: 120px;
  right: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(241, 216, 212, 0.55), transparent 65%);
}
.orb-c {
  bottom: -160px;
  left: 40%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(225, 217, 200, 0.55), transparent 65%);
}
.hero-inner {
  text-align: center;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
  text-align: left;
}
.hero-text {
  max-width: 520px;
}
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 480px;
}
.hero-cat {
  position: absolute;
  bottom: -30px;
  right: -20px;
  width: 110px;
  height: 110px;
  filter: drop-shadow(0 8px 24px rgba(50, 36, 24, 0.18));
  opacity: 0.95;
  pointer-events: none;
}
.hero-eyebrow {
  font-family: var(--display);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.22em;
  color: var(--text-mute);
  margin-bottom: 22px;
}

/* ===== iPhone-style frame (used for screenshots) ===== */
.phone-frame {
  position: relative;
  margin: 0 auto;
  width: 280px;
  background: #1d1611;
  border-radius: 38px;
  padding: 12px 12px 14px;
  box-shadow:
    0 30px 60px -25px rgba(50, 36, 24, 0.32),
    0 8px 18px -10px rgba(50, 36, 24, 0.18),
    inset 0 0 0 1.5px rgba(255, 255, 255, 0.08);
}
.phone-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 28px;
  background: #fff;
}
.phone-frame iframe {
  display: block;
  width: 100%;
  aspect-ratio: 473 / 1024;
  border: none;
  border-radius: 28px;
  background: #faf9f6;
}
.phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 22px;
  background: #1d1611;
  border-radius: 0 0 14px 14px;
  z-index: 2;
}
.phone-frame-lg {
  width: 320px;
}
.phone-frame-lg .phone-notch {
  width: 92px;
  height: 26px;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.45;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 30px;
  white-space: nowrap;
}
.hero-lead {
  font-size: 16px;
  line-height: 2;
  color: var(--text-soft);
  max-width: 540px;
  margin: 0 auto 44px;
}
.hero-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
  justify-content: center;
}
.hero-foot {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--text-mute);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  transition: transform 0.25s var(--transition),
    background 0.25s var(--transition), color 0.25s var(--transition),
    border-color 0.25s var(--transition);
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--text-soft);
  color: var(--bg);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  border-color: var(--text-soft);
  color: var(--text-soft);
}
.btn-ghost:hover {
  border-color: var(--text);
  color: var(--text);
  transform: translateY(-1px);
}
.btn-large {
  padding: 18px 36px;
  font-size: 15px;
}

/* =========================
   Sections common
   ========================= */
.section {
  padding: 120px 0;
  position: relative;
}
.eyebrow {
  font-family: var(--display);
  font-style: italic;
  letter-spacing: 0.36em;
  font-size: 12px;
  color: var(--gold);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 22px;
}
.section-title::after {
  content: "";
  display: block;
  width: 36px;
  height: 1px;
  background: var(--gold);
  opacity: 0.55;
  margin: 20px 0 0;
}
.section-lead {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 2;
  max-width: 600px;
  margin-bottom: 56px;
}

/* =========================
   Concept
   ========================= */
.section-concept {
  background: var(--bg-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.concept-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-top: 30px;
}
.concept-lead {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 2;
  color: var(--text);
}
.concept-body {
  color: var(--text-soft);
  font-size: 15px;
}
.concept-body p + p {
  margin-top: 18px;
}

/* =========================
   Features
   ========================= */
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 24px;
}
.feature {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform 0.4s var(--transition),
    box-shadow 0.4s var(--transition), border-color 0.4s var(--transition);
}
.feature:hover {
  transform: translateY(-4px);
  border-color: var(--gold-soft);
  box-shadow: var(--shadow-card);
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gold-bg);
  color: var(--gold);
  margin-bottom: 22px;
}
.feature h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  color: var(--text);
}
.feature p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.95;
}

/* =========================
   Personalization (two col)
   ========================= */
.section-personal {
  background: var(--bg);
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.two-col-text .section-title {
  margin-bottom: 18px;
}
.check-list {
  margin-top: 22px;
  display: grid;
  gap: 12px;
}
.check-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--text-soft);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 14px;
  height: 1px;
  background: var(--gold);
}

/* mock chat card */
.card-mock {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 22px 28px;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.card-mock-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 16px;
}
.card-mock-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
}
.card-mock-title {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: 0.06em;
}
.card-mock-tag {
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
  background: var(--gold-bg);
  padding: 4px 10px;
  border-radius: 999px;
}
.card-mock-body {
  display: grid;
  gap: 12px;
}
.bubble {
  font-size: 14px;
  line-height: 1.85;
  padding: 14px 16px;
  border-radius: 16px;
  max-width: 85%;
}
.bubble-shiro {
  background: var(--bg-soft);
  color: var(--text);
}
.bubble-user {
  margin-left: auto;
  background: var(--text);
  color: var(--bg);
}

/* =========================
   Personalities (cat icons grid)
   ========================= */
.section-personalities {
  background: var(--bg);
}
.personalities {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 22px;
  margin-top: 32px;
}
.persona {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 16px 26px;
  text-align: center;
  transition: transform 0.35s var(--transition),
    border-color 0.35s var(--transition), box-shadow 0.35s var(--transition);
}
.persona:hover {
  transform: translateY(-4px);
  border-color: var(--gold-soft);
  box-shadow: var(--shadow-card);
}
.persona img {
  width: 78px;
  height: 78px;
  margin: 0 auto 16px;
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgba(50, 36, 24, 0.08));
}
.persona-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 14.5px;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 8px;
}
.persona-desc {
  font-size: 12px;
  color: var(--text-mute);
  line-height: 1.75;
}

/* Reverse the two-col on the diary section (image left, text right) */
.two-col-reverse .two-col-text {
  order: 2;
}
.two-col-reverse .two-col-visual {
  order: 1;
}

.section-diary {
  background: var(--bg-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

/* =========================
   Trust
   ========================= */
.section-trust {
  background: var(--bg-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 30px;
}
.trust-item {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
}
.trust-item h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 17px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.trust-item p {
  font-size: 14px;
  color: var(--text-soft);
}

/* =========================
   Pricing
   ========================= */
.plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 30px;
}
.plan {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: transform 0.3s var(--transition),
    border-color 0.3s var(--transition), box-shadow 0.3s var(--transition);
}
.plan:hover {
  transform: translateY(-4px);
}
.plan-premium {
  border-color: var(--gold-soft);
  box-shadow: var(--shadow-card);
  background: linear-gradient(180deg, #ffffff 0%, #fdf8ef 100%);
}
.plan-badge {
  position: absolute;
  top: -12px;
  right: 22px;
  background: var(--text);
  color: var(--bg);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.22em;
}
.plan-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  color: var(--text);
  text-align: center;
}
.plan-price {
  justify-content: center;
}
.plan-meta {
  text-align: center;
}
.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}
.plan-price .num {
  font-family: var(--display);
  font-size: 38px;
  font-weight: 500;
  color: var(--text);
}
.plan-price .per {
  font-size: 13px;
  color: var(--text-mute);
  letter-spacing: 0.08em;
}
.plan-meta {
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: 22px;
}
.plan-list {
  display: grid;
  gap: 10px;
}
.plan-list li {
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  color: var(--text-soft);
  line-height: 1.85;
}
.plan-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 14px;
  height: 1px;
  background: var(--gold);
}
.pricing-note {
  margin: 40px auto 0;
  max-width: 640px;
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: 0.06em;
  line-height: 2;
  text-align: center;
}

/* =========================
   FAQ
   ========================= */
.faq-list {
  margin: 30px auto 0;
  display: grid;
  gap: 12px;
  max-width: 760px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: border-color 0.3s var(--transition);
}
.faq-item[open] {
  border-color: var(--gold-soft);
}
.faq-item summary {
  list-style: none;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 15px;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: 0.04em;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-family: var(--display);
  font-size: 22px;
  color: var(--gold);
  transition: transform 0.3s var(--transition);
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-item p {
  margin-top: 14px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.95;
}

/* =========================
   CTA
   ========================= */
.section-cta {
  background: linear-gradient(180deg, var(--bg) 0%, #f3eee2 100%);
  text-align: center;
  padding: 120px 0;
}
.cta-inner {
  max-width: 720px;
  margin: 0 auto;
}
.cta-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 4.4vw, 42px);
  line-height: 1.6;
  letter-spacing: 0.08em;
  margin-bottom: 26px;
}
.cta-lead {
  color: var(--text-soft);
  font-size: 15px;
  margin-bottom: 36px;
}
.cta-actions {
  margin-bottom: 22px;
}
.cta-foot {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--text-mute);
}

/* =========================
   Footer
   ========================= */
.site-footer {
  background: var(--text);
  color: #d8cfc1;
  padding: 70px 0 30px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 48px;
  align-items: start;
}
.footer-mark {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  color: #ffffff;
}
.footer-by {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #b3a89a;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  font-size: 13px;
}
.footer-heading {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: #f1ead9;
  margin-bottom: 14px;
}
.footer-links a {
  display: block;
  color: #c8bcab;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.footer-links a:hover {
  color: #ffffff;
}
.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: #8a8275;
}

/* =========================
   Reveal animation
   ========================= */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--transition), transform 0.9s var(--transition);
  transition-delay: 0.05s;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   Line-break utilities
   - PC: .br-sp は非表示 / .br-pc は改行する
   - SP: .br-sp が改行して .br-pc は非表示
   ========================= */
.br-sp {
  display: none;
}
.br-pc {
  display: inline;
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 960px) {
  .nav a:not(.nav-cta) {
    display: none;
  }
  .features {
    grid-template-columns: 1fr 1fr;
  }
  .plans {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
  }
  .two-col,
  .concept-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  /* 本文のリスト・段落だけは読みやすさのため左揃えキープ */
  .two-col .check-list,
  .concept-grid .concept-body {
    text-align: left;
  }
  .check-list {
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }
  .concept-body {
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
  }
  .two-col-reverse .two-col-text,
  .two-col-reverse .two-col-visual {
    order: initial;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 50px;
  }
  .hero-text {
    margin: 0 auto;
  }
  .hero-actions {
    display: flex;
    justify-content: center;
  }
  .hero-visual {
    min-height: 0;
  }
  .personalities {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-links {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }
  /* セクション見出し系は、入れ子の有無に関わらず全て中央揃え */
  .eyebrow,
  .section-title,
  .section-lead,
  .concept-lead {
    text-align: center;
  }
  .section-lead {
    margin-left: auto;
    margin-right: auto;
  }
  /* タイトル下のゴールドラインも中央へ */
  .section-title::after {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 620px) {
  .container {
    padding: 0 22px;
  }
  .br-sp {
    display: inline;
  }
  .br-pc {
    display: none;
  }
  .section {
    padding: 80px 0;
  }
  .hero {
    padding: 70px 0 90px;
  }
  .section-title {
    margin-bottom: 18px;
  }
  .section-title::after {
    margin-top: 18px;
    width: 32px;
  }
  .section-lead {
    margin-bottom: 44px;
  }
  .header-inner {
    height: 60px;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
  }
  .brand-name {
    font-size: 18px;
  }
  .brand-sub {
    font-size: 10px;
    letter-spacing: 0.32em;
  }
  .hero-title {
    letter-spacing: 0.02em;
  }
  .hero-lead {
    font-size: 15px;
  }
  .hero-cat {
    width: 80px;
    height: 80px;
    bottom: -16px;
    right: 0;
  }
  .features,
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .feature {
    padding: 28px 22px;
  }
  .personalities {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  .persona {
    padding: 18px 12px 20px;
  }
  .persona img {
    width: 64px;
    height: 64px;
  }
  .phone-frame,
  .phone-frame-lg {
    width: 240px;
  }
  .nav {
    gap: 14px;
  }
  .footer-links {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-links a {
    margin-bottom: 6px;
  }
  /* CTA / Pricing-note の中央揃えをきれいに */
  .cta-title {
    letter-spacing: 0.04em;
  }
  .cta-lead,
  .cta-foot,
  .pricing-note {
    margin-left: auto;
    margin-right: auto;
  }
  .pricing-note {
    line-height: 1.9;
  }
  .plan {
    padding: 28px 22px;
  }
  /* FAQ summary が「+」と被らないように余白調整 */
  .faq-item summary {
    gap: 12px;
  }
}

@media (max-width: 380px) {
  .container {
    padding: 0 18px;
  }
  .hero-title {
    font-size: 32px;
  }
  .section-title {
    font-size: 26px;
  }
  .hero-actions .btn {
    padding: 12px 22px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* =============================================================
   Reels - LP埋め込み用スタイル
   ============================================================= */

/* シネマチック・横16:9 動画ショーケース */
.shiro-reel-cinematic {
  aspect-ratio: 16 / 9;
  max-width: 1100px;
  margin: 0 auto;
  border-radius: 24px;
  overflow: hidden;
  background: var(--bg-card, #ffffff);
  border: 1px solid var(--line);
  box-shadow: 0 50px 100px -40px rgba(50, 36, 24, 0.40);
  position: relative;
}
.shiro-reel-cinematic iframe {
  width: 100%; height: 100%; border: none;
}
.shiro-reel-meta {
  text-align: center;
  margin-top: 20px;
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: 0.06em;
}

/* Phone Trio - 縦リール3並べ */
.shiro-phone-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  max-width: 1000px;
  margin: 0 auto;
}
.shiro-phone-frame {
  position: relative;
  aspect-ratio: 9 / 19;
  padding: 9px;
  border-radius: 36px;
  background: linear-gradient(160deg, #3a3127 0%, #1f1812 50%, #3a3127 100%);
  box-shadow:
    0 40px 80px -32px rgba(50, 36, 24, 0.45),
    0 0 0 1px rgba(200, 168, 122, 0.20),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  overflow: hidden;
}
.shiro-phone-frame::before {
  content: ""; position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
  width: 72px; height: 18px; border-radius: 14px;
  background: #0a0807; z-index: 3;
}
.shiro-phone-screen {
  aspect-ratio: 9 / 19.5;
  border-radius: 28px;
  overflow: hidden;
}
.shiro-phone-screen iframe {
  width: 100%; height: 100%; border: none; display: block;
}
.shiro-phone-caption {
  text-align: center;
  margin-top: 20px;
  font-family: "Noto Serif JP", serif;
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}
.shiro-phone-caption small {
  display: block;
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.2em;
  margin-top: 4px;
}
@media (max-width: 880px) {
  .shiro-phone-trio { grid-template-columns: 1fr; max-width: 320px; gap: 56px; }
}