:root {
  /* 宝石×錬金術 — ボルドー/ワイン系 + ゴールドアクセント */
  --bg: #faf7f5;
  --bg-alt: #f3eeeb;
  --bg-accent: #ebe4df;
  --bg-dark: #2d1f20;
  --text: #2a1c1d;
  --text-muted: #6b5456;
  --accent: #7a3e42;
  --accent-light: #964d52;
  --accent-dark: #5c2d30;
  --gold: #b8963e;
  --gold-light: #d4b065;
  --highlight: #c08a8d;
  --border: #ddd0ca;
  --border-light: #eae3de;
  --shadow: rgba(45, 31, 32, 0.06);
  --shadow-lg: rgba(45, 31, 32, 0.12);
  --radius: 2px;
  --radius-lg: 6px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "Georgia", "Times New Roman", serif;
  background: var(--bg);
  color: var(--text);
  line-height: 2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Scroll Animations ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-20px) rotate(2deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 0.8; }
}

/* ─── Header ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 6vw;
  background: rgba(250, 247, 245, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 100;
  border-bottom: 1px solid rgba(221, 208, 202, 0.5);
  transition: padding 0.4s, background 0.4s;
}

.logo {
  font-size: 0.82rem;
  letter-spacing: 0.3em;
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s;
}

.logo:hover {
  color: var(--accent);
}

.header nav {
  display: flex;
  gap: 2.5rem;
}

.header nav a {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-decoration: none;
  position: relative;
  transition: color 0.3s;
  padding-bottom: 2px;
}

.header nav a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.4s ease;
}

.header nav a:hover {
  color: var(--accent);
}

.header nav a:hover::after {
  width: 100%;
}

/* ─── Section Label ─── */
.section-label {
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
  font-weight: 400;
}

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6vw;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(184, 150, 62, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(122, 62, 66, 0.05) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 50%, var(--bg-accent) 100%);
  position: relative;
  overflow: hidden;
}

.hero-deco {
  position: absolute;
  top: 12%;
  right: 8%;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    ellipse at center,
    rgba(184, 150, 62, 0.06) 0%,
    rgba(122, 62, 66, 0.04) 40%,
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

.hero::before {
  content: "";
  position: absolute;
  bottom: 15%;
  left: 5%;
  width: 250px;
  height: 250px;
  background: radial-gradient(
    ellipse at center,
    rgba(122, 62, 66, 0.05) 0%,
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
  animation: float 10s ease-in-out infinite reverse;
}

.hero-inner {
  max-width: 680px;
  text-align: center;
  position: relative;
  z-index: 1;
  animation: fadeUp 1s ease-out;
}

.tag {
  display: inline-block;
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 0.55rem 1.6rem;
  margin-bottom: 2.8rem;
  position: relative;
  transition: all 0.4s;
}

.tag::before,
.tag::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  opacity: 0.5;
}

.tag::before {
  left: -12px;
  top: 50%;
  margin-top: -3px;
}

.tag::after {
  right: -12px;
  top: 50%;
  margin-top: -3px;
}

.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 400;
  line-height: 1.8;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

.lead {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 3.5rem;
  line-height: 2.2;
}

/* ─── Campaign Banner ─── */
.campaign-banner {
  padding: 4rem 6vw;
  text-align: center;
}

.campaign-inner {
  max-width: 700px;
  margin: 0 auto;
  background: linear-gradient(135deg, #faf6f0, #fff8f0);
  border: 2px solid var(--gold);
  border-radius: 4px;
  padding: 3rem 2.5rem;
  position: relative;
}

.campaign-inner::before,
.campaign-inner::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  opacity: 0.6;
}

.campaign-inner::before {
  top: -5px;
  left: 50%;
  margin-left: -4px;
}

.campaign-inner::after {
  bottom: -5px;
  left: 50%;
  margin-left: -4px;
}

.campaign-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 1.2rem;
}

.campaign-title {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 400;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  letter-spacing: 0.03em;
}

.campaign-highlight {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--accent);
  font-weight: 500;
}

.campaign-desc {
  font-size: 0.85rem;
  line-height: 2;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.campaign-desc strong {
  color: var(--accent);
  font-weight: 500;
}

/* ─── Campaign Box (LINE section) ─── */
.campaign-box {
  margin-top: 2.5rem;
  padding: 1.8rem 2rem;
  background: linear-gradient(135deg, #faf6f0, #fff8f0);
  border: 1px solid var(--gold);
  border-radius: 4px;
  text-align: center;
}

.campaign-box-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 0.8rem;
  letter-spacing: 0.03em;
}

.campaign-box-desc {
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--text-muted);
}

.campaign-box-desc strong {
  color: var(--accent);
  font-weight: 500;
}

/* ─── Buttons ─── */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 1.05rem 3rem;
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.6s;
}

.btn:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(122, 62, 66, 0.2);
}

.btn:hover::before {
  left: 100%;
}

.btn-full {
  width: 100%;
  text-align: center;
}

/* ─── Divider ─── */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 3.5rem 6vw;
}

.divider-line {
  width: 100px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.divider-icon {
  color: var(--gold);
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ─── About ─── */
.about {
  padding: 10vh 6vw;
  background: var(--bg-alt);
}

.about-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 5rem;
  max-width: 920px;
  margin: 0 auto;
  align-items: start;
}

.about-main h2 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 1.8rem;
  letter-spacing: 0.04em;
}

.about-main p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
  line-height: 2.2;
}

.info-card {
  padding: 2.2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  position: relative;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform 0.4s, box-shadow 0.4s;
}

.info-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px var(--shadow-lg);
}

.info-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.info-card dl {
  display: grid;
  gap: 1.4rem;
}

.info-item dt {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.info-item dd {
  font-size: 0.88rem;
  line-height: 1.8;
}

/* ─── Product ─── */
.product {
  padding: 12vh 6vw;
  position: relative;
}

.product-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(184, 150, 62, 0.03) 0%, transparent 50%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-accent) 50%, var(--bg) 100%);
  z-index: 0;
}

.product-content {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
}

.product-header {
  text-align: center;
  margin-bottom: 4rem;
}

.product-header h2 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 1.2rem;
  letter-spacing: 0.04em;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 2.2;
}

.product-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
  line-height: 2.2;
  opacity: 0.85;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.product-box {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  box-shadow: 0 8px 40px var(--shadow);
  position: relative;
  border-radius: var(--radius);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.product-box:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px var(--shadow-lg);
}

.product-box::before,
.product-box::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transition: width 0.4s;
}

.product-box:hover::before,
.product-box:hover::after {
  width: 80%;
}

.product-box::before {
  top: 0;
}

.product-box::after {
  bottom: 0;
}

.product-box-inner {
  padding: 2.8rem 2rem;
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.price {
  font-size: 3rem;
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 1.2rem;
}

.plan-rank {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 0.8rem;
}

.plan-title {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.7;
  min-height: 3.4em;
  letter-spacing: 0.03em;
}

.price .yen {
  font-size: 1.2rem;
  vertical-align: top;
  margin-right: 0.2rem;
}

.unit {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

.accent-line {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-light), var(--gold), var(--gold-light));
  margin: 0 auto 1.5rem;
}

.features {
  list-style: none;
  text-align: left;
  margin-bottom: 2rem;
  flex: 1;
}

.features li {
  font-size: 0.84rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-muted);
  padding-left: 1.4rem;
  position: relative;
  transition: color 0.3s;
}

.features li:hover {
  color: var(--text);
}

.features li::before {
  content: "◇";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.55rem;
  top: 0.75rem;
}

.features li:last-child {
  border-bottom: none;
}

/* ─── Steps ─── */
.steps {
  padding: 12vh 6vw;
  text-align: center;
  background: var(--bg-alt);
}

.steps h2 {
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 4rem;
  letter-spacing: 0.04em;
}

.steps-list {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 3rem;
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}

/* 横線コネクター */
.steps-list::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), var(--border), transparent);
  z-index: 0;
}

.steps-list li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  flex: 1;
  position: relative;
  z-index: 1;
}

.step-num {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--gold);
  background: var(--bg-alt);
  transition: all 0.3s;
}

.steps-list li:hover .step-num {
  background: var(--gold);
  color: #fff;
}

.steps-list strong {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.steps-list p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ─── Voice ─── */
.voice {
  padding: 12vh 6vw;
  text-align: center;
}

.voice h2 {
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 4rem;
  letter-spacing: 0.04em;
}

.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.voice-card {
  padding: 2.5rem 2rem 2rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  position: relative;
  border-radius: var(--radius);
  transition: transform 0.4s, box-shadow 0.4s;
}

.voice-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--shadow);
}

.voice-card::before {
  content: "\201C";
  position: absolute;
  top: 0.8rem;
  left: 1.2rem;
  font-size: 2.8rem;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
  font-family: Georgia, serif;
}

.voice-card blockquote {
  font-size: 0.88rem;
  margin-bottom: 1.2rem;
  padding-top: 0.8rem;
  line-height: 2;
  color: var(--text-muted);
}

.voice-card cite {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: normal;
  letter-spacing: 0.06em;
  display: block;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border-light);
}

/* ─── FAQ ─── */
.faq {
  padding: 12vh 6vw;
  background: var(--bg-alt);
  text-align: center;
}

.faq h2 {
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 4rem;
  letter-spacing: 0.04em;
}

.faq-list {
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}

.faq details {
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.faq details[open] {
  background: rgba(184, 150, 62, 0.02);
}

.faq summary {
  padding: 1.4rem 0.5rem;
  font-size: 0.9rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color 0.3s;
}

.faq summary:hover {
  color: var(--accent);
}

.faq summary::after {
  content: "+";
  color: var(--gold);
  font-size: 1.1rem;
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s;
}

.faq details[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

.faq details p {
  padding: 0 0.5rem 1.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 2;
}

/* ─── LINE Section ─── */
.line-section {
  padding: 12vh 6vw;
  text-align: center;
  background: var(--bg);
}

.line-content {
  max-width: 500px;
  margin: 0 auto;
}

.line-content h2 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
}

.line-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 2.2;
}

.line-qr {
  margin-bottom: 2.5rem;
}

.qr-placeholder {
  display: inline-flex;
  width: 200px;
  height: 200px;
  background: #fff;
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px var(--shadow);
  transition: box-shadow 0.4s;
}

.qr-placeholder:hover {
  box-shadow: 0 8px 30px var(--shadow-lg);
}

.qr-placeholder img {
  max-width: 170px;
  max-height: 170px;
}

.btn-line {
  background: #06C755;
  border-radius: var(--radius);
}

.btn-line:hover {
  background: #05b54c;
  box-shadow: 0 8px 24px rgba(6, 199, 85, 0.25);
}

/* ─── CTA ─── */
.cta {
  padding: 14vh 6vw;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(184, 150, 62, 0.04) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-accent) 100%);
  position: relative;
}

.cta-inner p {
  font-size: 1.3rem;
  margin-bottom: 2.5rem;
  letter-spacing: 0.06em;
  line-height: 2;
}

/* ─── Footer ─── */
.footer {
  padding: 3.5rem 6vw;
  background: var(--bg-dark);
  color: var(--bg);
}

.footer-inner {
  text-align: center;
}

.footer-brand {
  font-size: 0.78rem;
  letter-spacing: 0.35em;
  margin-bottom: 0.6rem;
  color: var(--gold-light);
}

.footer-note {
  font-size: 0.68rem;
  opacity: 0.5;
}

/* ─── Link More ─── */
.link-more {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.05em;
  border-bottom: 1px solid transparent;
  padding-bottom: 0.3rem;
  transition: all 0.4s;
}

.link-more:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.btn-about {
  margin-top: 1.5rem;
  padding: 0.9rem 2.5rem;
  font-size: 0.82rem;
}

/* ─── Page Hero (サブページ用) ─── */
.page-hero {
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 6vw 4rem;
  background:
    radial-gradient(ellipse at 50% 80%, rgba(184, 150, 62, 0.03) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  text-align: center;
}

.page-hero-inner {
  max-width: 640px;
}

.page-hero h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.04em;
}

/* ─── Story Section ─── */
.story {
  padding: 8vh 6vw;
  background: var(--bg-alt);
}

.story-content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.story-content h2 {
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 2rem;
  letter-spacing: 0.04em;
}

.story-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 2.4;
}

/* ─── Notice Section ─── */
.notice {
  padding: 8vh 6vw;
  background: var(--bg);
}

.notice-content {
  max-width: 680px;
  margin: 0 auto;
  padding: 3rem;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  text-align: center;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px var(--shadow);
}

.notice-content h2 {
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.notice-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  line-height: 2.2;
}

.notice-content p:last-child {
  margin-bottom: 0;
}

/* ─── Thanks Page ─── */
.thanks-hero {
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 6vw 4rem;
  background:
    radial-gradient(ellipse at 50% 60%, rgba(184, 150, 62, 0.04) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
  text-align: center;
}

.thanks-hero-inner {
  max-width: 640px;
}

.thanks-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 6px 20px rgba(122, 62, 66, 0.25);
}

.thanks-hero h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 400;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.thanks-lead {
  font-size: 1rem;
  color: var(--text-muted);
}

.thanks-next {
  padding: 8vh 6vw;
  background: var(--bg);
}

.thanks-next-content {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
}

.thanks-next h2 {
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 2rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.next-step-box {
  padding: 2.5rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  margin-bottom: 3rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px var(--shadow);
}

.step-instruction {
  font-size: 1rem;
  line-height: 2;
  margin-bottom: 1rem;
}

.step-instruction strong {
  color: var(--accent);
}

.step-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.thanks-line {
  margin-top: 2rem;
}

.thanks-line-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.thanks-note-section {
  padding: 5vh 6vw;
  background: var(--bg-alt);
}

.thanks-note-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.thanks-note-content p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 2.2;
}

/* ─── Legal / 特定商取引法 ─── */
.legal {
  padding: 8vh 6vw;
  background: var(--bg-alt);
}

.legal-content {
  max-width: 720px;
  margin: 0 auto;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.legal-table th,
.legal-table td {
  padding: 1.3rem 1.5rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  line-height: 1.8;
  vertical-align: top;
}

.legal-table th {
  width: 30%;
  font-weight: 400;
  color: var(--accent);
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.legal-table td {
  color: var(--text-muted);
}

.legal-table td a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s;
}

.legal-table td a:hover {
  color: var(--gold);
}

.legal-note {
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 2.2;
}

.legal-note a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-links {
  margin-top: 1rem;
}

.footer-links a {
  font-size: 0.68rem;
  color: var(--bg);
  text-decoration: none;
  letter-spacing: 0.06em;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.footer-links a:hover {
  opacity: 1;
}

/* ─── Selection color ─── */
::selection {
  background: rgba(184, 150, 62, 0.2);
  color: var(--text);
}

/* ─── Scrollbar (WebKit) ─── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--highlight);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .header {
    padding: 0.9rem 5vw;
  }

  .plans-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .steps-list {
    flex-direction: column;
    gap: 2.5rem;
  }

  .steps-list::before {
    display: none;
  }

  .voice-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .header nav {
    gap: 1.2rem;
  }

  .hero h1 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .hero-inner {
    max-width: 100%;
  }

  .page-hero {
    padding: 6rem 5vw 3rem;
  }

  .story-content p,
  .notice-content p {
    font-size: 0.9rem;
  }

  .legal-table th,
  .legal-table td {
    display: block;
    width: 100%;
    padding: 0.8rem 1rem;
  }

  .legal-table th {
    border-bottom: none;
    padding-bottom: 0;
  }

  .thanks-hero {
    padding: 6rem 5vw 3rem;
  }

  .cta-inner p {
    font-size: 1.05rem;
  }

  .product-box:hover {
    transform: none;
  }

  .voice-card:hover {
    transform: none;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 0.8rem 4vw;
  }

  .header nav {
    gap: 0.8rem;
  }

  .hero {
    padding: 0 5vw;
  }

  .tag::before,
  .tag::after {
    display: none;
  }

  .product-box-inner {
    padding: 2rem 1.5rem;
  }
}