:root {
  --bg: #fff8ea;
  --paper: #fffdf7;
  --ink: #2d1b14;
  --brown: #6a351b;
  --gold: #c69125;
  --gold-light: #f5d98a;
  --red: #8b140d;
  --green: #06b33f;
  --green-dark: #05872f;
  --line: rgba(198, 145, 37, .35);
  --shadow: 0 14px 38px rgba(87, 45, 12, .18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 230, 150, .65), transparent 330px),
    linear-gradient(180deg, #fff6dd 0%, #fffdf7 36%, #fff3d3 100%);
  line-height: 1.8;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(198,145,37,.08) 1px, transparent 1px),
    linear-gradient(rgba(198,145,37,.08) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: .32;
  z-index: -1;
}

a {
  color: inherit;
}

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

.lp {
  width: min(100%, 760px);
  margin: 0 auto;
  background: rgba(255, 253, 247, .92);
  box-shadow: 0 0 50px rgba(118, 67, 14, .18);
  padding-bottom: 92px;
}

/* 画像は余白なしで縦につなぐ */
.image-section {
  padding: 0;
  margin: 0;
  background: transparent;
}

.hero-frame {
  padding: 0;
  margin: 0;
}

.lp-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
  box-shadow: none;
}

.hero-frame .lp-img {
  border-radius: 0;
}

.panel-soft .lp-img,
.profile-panel .lp-img,
.final-panel .lp-img {
  border: 0;
}

.dark-panel {
  padding: 0;
  margin: 0;
  background: transparent;
}

.offer-panel {
  background: transparent;
}

/* 途中に挟むLINEボタン */
.button-section {
  padding: 34px 18px 32px;
  margin: 0;
  text-align: center;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, .98), rgba(255, 248, 234, .92) 58%, rgba(255, 241, 205, .88) 100%);
}

.button-section-red {
  background:
    radial-gradient(circle at 50% 50%, rgba(137, 20, 13, .88), #8b140d 62%, #5d0905 100%);
  padding-top: 32px;
  padding-bottom: 34px;
}

.final-button-section {
  padding-top: 36px;
  padding-bottom: 38px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, .98), rgba(255, 248, 234, .94) 58%, rgba(255, 238, 196, .9) 100%);
}

.button-section .line-btn {
  width: min(100%, 600px);
  margin: 0 auto;
}

.button-lead {
  margin: 0 auto 18px;
  color: #2d1b14;
  font-size: clamp(19px, 4.7vw, 28px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0;
  text-align: center;
}

.button-note {
  margin: 14px auto 0;
  color: #8b735f;
  font-size: clamp(12px, 3.2vw, 15px);
  line-height: 1.6;
  text-align: center;
}

.button-section-red .button-lead {
  color: #fff8e4;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .28);
}

.button-section-red .button-note {
  color: rgba(255, 248, 228, .82);
}

.final-button-section .button-lead {
  color: #6a351b;
  font-size: clamp(20px, 5vw, 30px);
}

.line-btn,
.floating-line-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: min(100%, 560px);
  min-height: 58px;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  color: #fff;
  font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
  font-size: clamp(18px, 4.8vw, 26px);
  font-weight: 900;
  line-height: 1.25;
  background: linear-gradient(180deg, #22d95b 0%, var(--green) 48%, var(--green-dark) 100%);
  border: 2px solid rgba(255,255,255,.75);
  box-shadow:
    0 8px 0 #056526,
    0 18px 34px rgba(0, 96, 35, .28),
    0 0 34px rgba(0, 180, 65, .18);
}

.line-btn:active,
.floating-line-btn:active {
  transform: translateY(3px);
  box-shadow: 0 4px 0 #056526, 0 10px 18px rgba(0, 96, 35, .22);
}

.line-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  font-family: Arial, sans-serif;
}

.arrow {
  font-size: 30px;
  line-height: 1;
}

/* 見出し */
.section-heading {
  text-align: center;
}

.section-kicker {
  margin: 0 0 4px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
  font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
}

.section-heading h2,
.faq-title {
  margin: 0;
  color: var(--brown);
  font-size: clamp(22px, 6vw, 34px);
  line-height: 1.35;
  letter-spacing: .03em;
}

.section-heading p:last-child {
  margin: 8px 0 0;
  font-size: 14px;
  color: #765844;
}

/* LINEスクショカルーセル */
.voice-section {
  margin: 0;
  padding: 28px 16px 30px;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 232, 170, .78), transparent 280px),
    linear-gradient(180deg, #fffaf0, #fff2d5);
  text-align: center;
  border-top: 1px solid rgba(198,145,37,.28);
  border-bottom: 1px solid rgba(198,145,37,.28);
}

.voice-carousel {
  position: relative;
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.voice-window {
  overflow: hidden;
  width: 100%;
  border-radius: 22px;
}

.voice-track {
  display: flex;
  transition: transform .35s ease;
}

.voice-slide {
  min-width: 100%;
  padding: 4px;
}

.voice-slide img {
  width: min(100%, 380px);
  margin: 0 auto;
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(55, 86, 120, .25);
}

.voice-nav {
  position: relative;
  z-index: 2;
  width: 34px;
  height: 54px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(180deg, var(--gold), #9d640d);
  box-shadow: 0 8px 16px rgba(95, 55, 8, .22);
  font-size: 32px;
  cursor: pointer;
}

.voice-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
}

.voice-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(198,145,37,.35);
}

.voice-dot.is-active {
  background: var(--gold);
}

/* FAQ */
.faq-section {
  margin: 0;
  padding: 30px 16px;
  border-top: 1px solid rgba(198,145,37,.28);
  background: #fffdf8;
  text-align: center;
}

.faq-list {
  margin-top: 16px;
}

.faq-item {
  border: 1px solid rgba(198,145,37,.35);
  border-radius: 16px;
  background: #fff;
  overflow: hidden;
}

.faq-item + .faq-item {
  margin-top: 10px;
}

.faq-question {
  width: 100%;
  padding: 15px 14px;
  border: 0;
  background: #fffdf8;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  text-align: left;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
}

.faq-icon {
  color: var(--gold);
  font-size: 20px;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
  background: #fff;
}

.faq-answer p {
  margin: 0;
  padding: 0 14px 16px;
  font-size: 14px;
  text-align: left;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

/* フッター */
.site-footer {
  margin-top: 0;
  padding: 26px 14px 34px;
  background: linear-gradient(180deg, #2c120b, #120807);
  color: #fff8e4;
}

.footer-inner {
  width: min(100%, 700px);
  margin: 0 auto;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 0 0 16px;
}

.footer-links a {
  padding: 10px 8px;
  border-radius: 999px;
  border: 1px solid rgba(245, 217, 138, .28);
  color: #fff8e4;
  text-decoration: none;
  font-size: 12px;
  text-align: center;
  background: rgba(255,255,255,.06);
}

.footer-disclaimer,
.copyright {
  margin: 4px 0;
  font-size: 12px;
  line-height: 1.7;
}

.footer-disclaimer {
  color: rgba(255,248,228,.78);
}

.copyright {
  text-align: center;
  color: rgba(255,248,228,.62);
}

/* 下部固定CTA */
.floating-cta {
  position: fixed;
  z-index: 20;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 9px 10px calc(9px + env(safe-area-inset-bottom));
  background: rgba(255, 248, 229, .92);
  border-top: 1px solid rgba(198,145,37,.28);
  backdrop-filter: blur(10px);

  display: flex;
  justify-content: center;
  align-items: center;
}

.floating-line-btn {
  display: flex;
  width: min(100%, 560px);
  min-height: 58px;
  margin: 0 auto;
  padding: 12px 18px;
  font-size: clamp(18px, 4.8vw, 26px);
  box-shadow:
    0 8px 0 #056526,
    0 18px 34px rgba(0, 96, 35, .28),
    0 0 34px rgba(0, 180, 65, .18);
}

.floating-line-btn .line-icon {
  width: 44px;
  height: 44px;
  font-size: 13px;
}

/* 下層ページ */
.sub-page {
  width: min(100%, 760px);
  margin: 0 auto;
  min-height: 100vh;
  padding: 0 12px 42px;
  background: rgba(255,253,247,.94);
  box-shadow: 0 0 50px rgba(118, 67, 14, .14);
}

.sub-hero {
  margin: 0 -12px 18px;
  padding: 44px 18px 34px;
  color: #fff8e4;
  text-align: center;
  background:
    radial-gradient(circle at 20% 0%, rgba(245,217,138,.45), transparent 260px),
    linear-gradient(135deg, #6f120c, #2b1008 70%);
  border-bottom: 4px solid var(--gold);
}

.sub-kicker {
  display: inline-block;
  margin: 0 0 8px;
  padding: 2px 14px;
  border: 1px solid rgba(245,217,138,.55);
  border-radius: 999px;
  color: var(--gold-light);
  font-size: 12px;
  letter-spacing: .08em;
}

.sub-hero h1 {
  margin: 0;
  font-size: clamp(28px, 7vw, 40px);
  line-height: 1.35;
}

.sub-hero p:last-child {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
}

.sub-content,
.support-menu-page {
  padding: 20px 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fffdf8;
  box-shadow: var(--shadow);
}

.sub-content h2 {
  margin: 28px 0 10px;
  padding: 8px 12px;
  border-left: 5px solid var(--gold);
  border-radius: 10px;
  background: #fff4d7;
  color: var(--brown);
  font-size: 20px;
  line-height: 1.45;
}

.sub-content h2:first-child {
  margin-top: 0;
}

.sub-content p,
.sub-content li {
  font-size: 15px;
  line-height: 1.9;
}

.info-box,
.legal-card {
  margin: 16px 0;
  padding: 16px;
  border: 1px solid rgba(198,145,37,.35);
  border-radius: 16px;
  background: linear-gradient(180deg, #fffdf8, #fff6df);
}

.legal-card h2 {
  margin-top: 0;
}

.support-menu-page {
  display: grid;
  gap: 12px;
}

.support-menu-page a,
.sub-nav a {
  display: block;
  padding: 15px 16px;
  border-radius: 14px;
  color: var(--brown);
  text-decoration: none;
  text-align: center;
  font-weight: 700;
  border: 1px solid rgba(198,145,37,.45);
  background: linear-gradient(180deg, #fffdf8, #fff0c8);
  box-shadow: 0 8px 18px rgba(87,45,12,.1);
}

.sub-nav {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

/* スマホ */
@media (max-width: 480px) {
  .lp {
    width: 100%;
  }

  .image-section {
    padding: 0;
  }

  .lp-img {
    border-radius: 0;
  }

  .hero-frame .lp-img {
    border-radius: 0;
  }

  .button-section {
    padding: 28px 12px 26px;
  }

  .button-section-red {
    padding-top: 28px;
    padding-bottom: 30px;
  }

  .final-button-section {
    padding-top: 30px;
    padding-bottom: 32px;
  }

  .button-lead {
    margin-bottom: 16px;
    font-size: clamp(18px, 5.2vw, 23px);
    line-height: 1.65;
    letter-spacing: 0;
  }

  .button-note {
    margin-top: 12px;
    font-size: 12px;
  }

  .line-btn {
    min-height: 54px;
    padding-left: 12px;
    padding-right: 12px;
    font-size: clamp(17px, 5.2vw, 22px);
  }

  .line-icon {
    width: 38px;
    height: 38px;
    font-size: 11px;
  }

  .arrow {
    font-size: 26px;
  }

  .voice-section {
    padding: 26px 10px 28px;
  }

  .voice-carousel {
    gap: 4px;
  }

  .voice-nav {
    width: 30px;
    height: 48px;
    font-size: 28px;
  }

  .faq-section {
    padding: 28px 10px;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .sub-content,
  .support-menu-page {
    padding: 16px 12px;
  }
}