:root {
  --washi: #f3eee4;
  --paper: #faf7f1;
  --sumi: #1c1b19;
  --ink: #2c2a26;
  --mute: #6b665c;
  --line: rgba(28, 27, 25, 0.2);
  --line-strong: #7d776c;
  --matcha: #5d704b;
  --matcha-deep: #3e4b33;
  --sakura: #c9a49a;
  --kin: #ae9368;
  --sora: #7e8f9c;
  --white: #fffcf8;
  --shadow: 0 24px 50px rgba(28, 27, 25, 0.08);
  --radius: 2px;
  --header-h: 76px;
  --font-serif: "Zen Old Mincho", "Noto Serif JP", "Yu Mincho", serif;
  --font-sans: "Zen Kaku Gothic New", "Noto Sans JP", "Hiragino Sans", sans-serif;
  --max: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--sumi);
  background: var(--washi);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.04em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4000;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

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

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.08em;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1em;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--sumi);
  color: var(--paper);
  padding: 0.6em 1em;
  z-index: 5000;
}

.skip:focus {
  left: 12px;
  top: 12px;
}

.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.kicker {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--kin);
  margin-bottom: 12px;
}

.lead {
  font-size: 1.08rem;
  color: var(--mute);
  max-width: 42em;
}

.gold-rule {
  width: 48px;
  height: 1px;
  background: var(--kin);
  margin: 18px 0 22px;
  border: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--sumi);
  background: var(--sumi);
  color: var(--paper);
  cursor: pointer;
  letter-spacing: 0.16em;
  font-size: 12px;
  transition: 0.25s ease;
}

.btn:hover {
  background: var(--matcha-deep);
  border-color: var(--matcha-deep);
}

.btn-ghost {
  background: var(--white);
  color: var(--sumi);
}

.btn-ghost:hover {
  background: var(--sumi);
  color: var(--paper);
}

.btn-gold {
  background: transparent;
  color: var(--sumi);
  border-color: var(--kin);
}

.btn-gold:hover {
  background: var(--kin);
  color: var(--paper);
  border-color: var(--kin);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243, 238, 228, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}

.logo-jp {
  font-family: var(--font-serif);
  font-size: 26px;
  letter-spacing: 0.28em;
}

.logo-en {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--mute);
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a,
.nav button.nav-more {
  font-size: 13px;
  letter-spacing: 0.12em;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  position: relative;
}

.nav a::after,
.drop a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--kin);
  transition: width 0.25s ease;
}

.nav a:hover::after,
.nav a.is-active::after,
.drop a:hover::after {
  width: 100%;
}

.nav a.is-active {
  color: var(--matcha-deep);
}

.nav-more {
  position: relative;
}

.drop {
  position: absolute;
  top: calc(100% + 18px);
  right: 0;
  min-width: 220px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  padding: 14px 0;
  display: none;
  box-shadow: var(--shadow);
}

.nav-more:hover .drop,
.nav-more:focus-within .drop {
  display: grid;
}

.drop a {
  padding: 8px 18px;
  font-size: 13px;
  position: relative;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  background: transparent;
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--sumi);
  position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle span::before {
  top: -6px;
}

.menu-toggle span::after {
  top: 6px;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--paper);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.05);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(28, 27, 25, 0.18), rgba(28, 27, 25, 0.62)),
    linear-gradient(90deg, rgba(28, 27, 25, 0.45), transparent 55%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 48px));
  padding: 80px 0 96px;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 92px);
  letter-spacing: 0.18em;
  line-height: 1.15;
  margin-bottom: 18px;
}

.hero .lead {
  color: rgba(250, 247, 241, 0.86);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero .btn {
  background: var(--paper);
  color: var(--sumi);
  border-color: var(--paper);
}

.hero .btn:hover {
  background: transparent;
  color: var(--paper);
}

.hero .btn-gold {
  background: transparent;
  color: var(--paper);
  border-color: rgba(250, 247, 241, 0.72);
}

.hero .btn-gold:hover {
  background: var(--paper);
  color: var(--sumi);
  border-color: var(--paper);
}

.vert-mark {
  position: absolute;
  right: 36px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  letter-spacing: 0.5em;
  font-size: 12px;
  color: rgba(250, 247, 241, 0.72);
  z-index: 1;
}

.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--paper);
}

.section-dark {
  background: var(--sumi);
  color: var(--paper);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 44px);
}

.grid-3,
.grid-2,
.grid-4 {
  display: grid;
  gap: 22px;
}

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

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

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

.card,
.panel {
  background: var(--white);
  border: 1px solid var(--line-strong);
  padding: 28px;
}

.section-dark .card {
  background: #2f2c28;
  border-color: rgba(250, 247, 241, 0.32);
}

.section-dark .meta,
.section-dark .price small {
  color: rgba(250, 247, 241, 0.68);
}

.section-dark .btn-gold {
  color: var(--paper);
  border-color: var(--kin);
}

.section-dark .btn-gold:hover {
  background: var(--kin);
  color: var(--sumi);
}

.card h3 {
  font-size: 22px;
}

.card-media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  margin: -28px -28px 22px;
}

.card-media.wide {
  aspect-ratio: 16 / 10;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

a.card-link {
  display: flex;
  flex-direction: column;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

a.card-link:hover {
  border-color: var(--sumi);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.section-dark a.card-link:hover {
  border-color: var(--kin);
}

a.card-link .btn {
  margin-top: auto;
  align-self: flex-start;
  pointer-events: none;
}

.section-dark .btn:not(.btn-gold):not(.btn-ghost) {
  background: var(--paper);
  color: var(--sumi);
  border-color: var(--paper);
}

.section-dark .btn:not(.btn-gold):not(.btn-ghost):hover {
  background: var(--kin);
  border-color: var(--kin);
  color: var(--sumi);
}

.section-dark .btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(250, 247, 241, 0.55);
}

.section-dark .btn-ghost:hover {
  background: var(--paper);
  color: var(--sumi);
}

.legal a,
.check a,
.meta a,
.fine a,
.lead a {
  color: var(--matcha-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.section-dark .legal a,
.section-dark .meta a {
  color: var(--kin);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.detail-hero {
  padding: 72px 0 0;
}

.detail-hero img {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  margin-top: 28px;
}

.related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  background: var(--white);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.chip:hover {
  border-color: var(--sumi);
  background: var(--sumi);
  color: var(--paper);
}

.card p a,
.panel p a,
#acct-plan a,
#acct-count a {
  color: var(--matcha-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

table a {
  color: var(--matcha-deep);
  border-bottom: 1px solid var(--kin);
}

table a:hover {
  color: var(--sumi);
}

.step .btn {
  margin-top: 8px;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.meta {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mute);
}

.price {
  font-family: var(--font-serif);
  font-size: 36px;
  letter-spacing: 0.04em;
}

.price small {
  font-size: 13px;
  font-family: var(--font-sans);
  color: var(--mute);
}

.page-hero {
  padding: 92px 0 48px;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(36px, 6vw, 68px);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.split img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}

.form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  letter-spacing: 0.12em;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  width: 100%;
  background: #fff;
  border: 2px solid #4a463e;
  min-height: 48px;
  padding: 10px 14px;
  outline: none;
  color: var(--sumi);
  border-radius: 0;
  appearance: none;
  -webkit-appearance: none;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231c1b19' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--matcha);
}

.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--mute);
}

.check input {
  appearance: auto;
  -webkit-appearance: checkbox;
  width: 18px;
  height: 18px;
  min-height: 0;
  accent-color: var(--sumi);
  flex-shrink: 0;
  border: 2px solid #4a463e;
  background: #fff;
}

.auth-shell {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.auth-visual {
  position: relative;
  min-height: 520px;
  background: #3a4034;
}

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

.auth-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28, 27, 25, 0.15), rgba(28, 27, 25, 0.55));
}

.auth-panel {
  display: grid;
  place-items: center;
  padding: 48px 8%;
}

.auth-box {
  width: 100%;
  max-width: 440px;
}

.notice {
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: #efe8d8;
  font-size: 13px;
}

.notice.ok {
  background: #e7eee2;
  border-color: var(--matcha);
}

.notice.err {
  background: #f3e4df;
  border-color: #b56a5c;
}

.slots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.slot {
  min-height: 44px;
  border: 2px solid #4a463e;
  background: #fff;
  color: var(--sumi);
  cursor: pointer;
}

.slot.is-on,
.slot:hover {
  background: var(--sumi);
  color: var(--paper);
  border-color: var(--sumi);
}

.legal {
  max-width: 820px;
}

.legal h2 {
  font-size: 24px;
  margin-top: 2em;
}

.legal ul,
.faq details,
.table-wrap {
  margin: 0 0 1.2em;
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}

.faq summary {
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.08em;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-weight: 500;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--mute);
}

.site-footer {
  background: var(--sumi);
  color: var(--paper);
  padding: 72px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 48px;
}

.site-footer a {
  display: block;
  font-size: 13px;
  color: rgba(250, 247, 241, 0.78);
  margin: 0 0 8px;
}

.site-footer a:hover {
  color: var(--kin);
}

.footer-brand .logo-jp {
  color: var(--paper);
}

.fine {
  font-size: 12px;
  color: rgba(250, 247, 241, 0.62);
  line-height: 1.8;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(250, 247, 241, 0.12);
  padding-top: 18px;
  font-size: 12px;
  color: rgba(250, 247, 241, 0.55);
}

.cookie {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 300;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  padding: 18px 20px;
  display: none;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  box-shadow: var(--shadow);
}

.cookie.is-on {
  display: grid;
}

.account-stat {
  font-family: var(--font-serif);
  font-size: 40px;
}

.quote {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.7;
}

.badge {
  display: inline-block;
  border: 1px solid var(--kin);
  color: var(--kin);
  font-size: 11px;
  letter-spacing: 0.18em;
  padding: 4px 8px;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 18px;
}

.step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--kin);
}

@media (max-width: 980px) {
  .grid-4,
  .grid-3,
  .grid-2,
  .split,
  .auth-shell,
  .footer-grid,
  .header-inner {
    grid-template-columns: 1fr;
  }

  .nav,
  .header-actions .btn-ghost {
    display: none;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header-h);
    background: var(--washi);
    padding: 18px 24px 28px;
    border-bottom: 1px solid var(--line);
    gap: 14px;
  }

  .drop {
    position: static;
    display: grid;
    border: 0;
    box-shadow: none;
    background: transparent;
    padding: 0 0 0 8px;
  }

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

  .cookie {
    grid-template-columns: 1fr;
  }

  .vert-mark {
    display: none;
  }

  .section-head {
    flex-direction: column;
    align-items: start;
  }
}