/* 見てからweb — Hi-fi Design System
   Editorial × Wa-modern. Cream paper × ink × vermillion accent. */

:root {
  /* Ink */
  --ink: #1a1815;
  --ink-2: #3a3530;
  --ink-soft: #6b635a;
  --muted: #9a9085;

  /* Paper */
  --paper: #f6f1e8;
  --paper-2: #ede5d3;
  --paper-3: #fdfaf3;
  --paper-deep: #e6dcc5;

  /* Lines */
  --line: #d8cfb9;
  --line-soft: #e6dcc5;
  --line-ink: #1a1815;

  /* Accents */
  --vermillion: #c4452d;
  --vermillion-2: #a8341c;
  --vermillion-soft: rgba(196, 69, 45, 0.08);
  --yellow: #f0c64a;
  --yellow-bg: #fbe89c;

  /* Type */
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
  --font-serif: var(--font-sans);
  --font-num: var(--font-sans);
  --font-price: var(--font-sans);
  --font-mono: var(--font-sans);

  --radius: 6px;
  --radius-lg: 12px;
}

.dx {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  font-size: 15px;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  position: relative;
  /* Paper grain */
  background-image:
    radial-gradient(rgba(26,24,21,0.025) 1px, transparent 1px),
    radial-gradient(rgba(26,24,21,0.018) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 2px;
}
.dx * { box-sizing: border-box; }
.dx a { color: inherit; text-decoration: none; }
.dx button { font-family: inherit; }

/* ────────────────────────────────────────────────────────────
   Section scaffolding
   ────────────────────────────────────────────────────────────*/
.dx-section {
  position: relative;
  padding: 96px 80px;
  scroll-margin-top: 76px;
}
.dx-mobile .dx-section {
  padding: 52px 22px 88px;
  scroll-margin-top: 70px;
}
.dx-section.tight { padding: 80px 80px; }
.dx-mobile .dx-section.tight { padding: 48px 22px; }
.dx-section.alt { background: var(--paper-2); }
.dx-section.dark { background: var(--ink); color: var(--paper-3); }
.dx-section.cream { background: var(--paper-3); }

.dx-inner { max-width: 1180px; margin: 0 auto; position: relative; }

/* Section eyebrow line: 01 — HERO ──── */
.dx-secnum {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  margin-bottom: 28px;
  text-transform: uppercase;
}
.dx-secnum .num {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 600;
  font-style: italic;
  color: var(--vermillion);
  letter-spacing: 0;
  line-height: 1;
}
.dx-secnum .rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--ink) 0, var(--ink) 24px, var(--line) 24px);
}
.dx-section.alt .dx-secnum .rule {
  background: linear-gradient(to right, var(--ink) 0, var(--ink) 24px, var(--paper-deep) 24px);
}
.dx-section.dark .dx-secnum { color: rgba(246,241,232,0.55); }
.dx-section.dark .dx-secnum .num { color: var(--yellow); }
.dx-section.dark .dx-secnum .rule {
  background: linear-gradient(to right, var(--yellow) 0, var(--yellow) 24px, rgba(246,241,232,0.18) 24px);
}

/* Section headings */
.dx-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--vermillion);
  font-weight: 600;
  margin-bottom: 16px;
}
.dx-h2 {
  font-family: var(--font-serif);
  font-size: 44px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  font-weight: 600;
  margin: 0 0 18px;
  color: var(--ink);
  text-wrap: pretty;
}
.dx-mobile .dx-h2 { font-size: 26px; line-height: 1.55; }
/* 節（文節）を1かたまりとして折り返す＝句読点や語の途中で割れる孤立行を防ぐ */
.dx-h2 .nb { display: inline-block; }
/* モバイルではPC用の強制改行を無効化し、ブラウザの禁則処理つき通常折り返しに任せる
   （強制改行が生む中途半端な短い行＝孤立行を防ぐ） */
.dx-mobile .dx-h2 br { display: none; }
.dx-h2 .accent {
  position: relative;
  display: inline-block;
}
.dx-h2 .accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 6px;
  height: 10px;
  background: var(--yellow-bg);
  z-index: -1;
}
.dx-h2 .ink-red { color: var(--vermillion); }
.dx-sub {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.9;
  max-width: 720px;
  margin: 0 auto;
}
.dx-mobile .dx-sub { font-size: 14px; }
.dx-center { text-align: center; }

/* ────────────────────────────────────────────────────────────
   Header
   ────────────────────────────────────────────────────────────*/
.dx-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  background: rgba(246,241,232,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}
.dx-mobile .dx-header { padding: 10px 14px; }
.dx-logo { display: flex; align-items: center; }
.dx-logo-img {
  display: block;
  width: 206px;
  height: 43px;
  object-fit: contain;
}
.dx-mobile .dx-logo-img {
  width: clamp(120px, 38vw, 150px);
  height: auto;
}
.dx-nav { display: flex; gap: 30px; font-size: 13px; color: var(--ink-2); font-weight: 500; }
.dx-nav a { position: relative; padding: 4px 0; }
.dx-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--vermillion); transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}
.dx-nav a:hover::after { transform: scaleX(1); }
.dx-header-cta { display: flex; gap: 10px; align-items: center; }
.dx-header-free,
.dx-header-line {
  padding: 10px 18px;
  font-size: 13px;
}
.dx-mobile-nav { display: none; }
.dx-mobile .dx-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 12px;
  align-items: center;
}
.dx-mobile .dx-header-cta {
  justify-self: end;
  gap: 8px;
}
.dx-mobile .dx-header-line {
  min-height: 42px;
  padding: 0 13px;
  font-size: 12.5px;
}
.dx-mobile .dx-menu-btn {
  width: 42px;
  min-width: 42px;
  height: 42px;
  padding: 0;
  font-size: 22px;
  line-height: 1;
}
.dx-mobile .dx-mobile-nav {
  display: flex;
  grid-column: 1 / -1;
  width: 100%;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 0 4px;
  scrollbar-width: none;
}
.dx-mobile .dx-mobile-nav[hidden] { display: none; }
.dx-mobile .dx-mobile-nav::-webkit-scrollbar { display: none; }
.dx-mobile .dx-mobile-nav a {
  flex: 0 0 auto;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(253,250,243,0.7);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-2);
}

/* ────────────────────────────────────────────────────────────
   Buttons
   ────────────────────────────────────────────────────────────*/
.dx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 100px;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  letter-spacing: 0.02em;
  white-space: nowrap;
  position: relative;
  transition: all 0.2s;
}
.dx-btn:hover { background: var(--ink); color: var(--paper-3); }
.dx-btn .arrow {
  display: inline-flex; width: 22px; height: 22px;
  border-radius: 50%; background: var(--vermillion); color: #fff;
  align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}
.dx-btn.primary {
  background: var(--vermillion);
  border-color: var(--vermillion);
  color: #fff;
}
.dx-btn.primary:hover { background: var(--vermillion-2); border-color: var(--vermillion-2); }
.dx-btn.primary .arrow { background: #fff; color: var(--vermillion); }
.dx-btn.lg { padding: 18px 32px; font-size: 15px; }
.dx-btn.block { width: 100%; }
.dx-btn.ghost-light { color: var(--paper-3); border-color: rgba(246,241,232,0.4); }
.dx-btn.ghost-light:hover { background: var(--paper-3); color: var(--ink); }
.dx-btn .icon-line {
  width: 18px; height: 18px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 2C6.48 2 2 5.81 2 10.5c0 2.83 1.64 5.34 4.18 6.88-.19.66-.84 2.62-.96 3.03-.15.5.18.5.39.36.16-.11 2.6-1.77 3.65-2.5.89.13 1.8.2 2.74.2 5.52 0 10-3.81 10-8.47C22 5.81 17.52 2 12 2z'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 2C6.48 2 2 5.81 2 10.5c0 2.83 1.64 5.34 4.18 6.88-.19.66-.84 2.62-.96 3.03-.15.5.18.5.39.36.16-.11 2.6-1.77 3.65-2.5.89.13 1.8.2 2.74.2 5.52 0 10-3.81 10-8.47C22 5.81 17.52 2 12 2z'/></svg>") center/contain no-repeat;
}

/* ────────────────────────────────────────────────────────────
   The 無料 (free) stamp — hanko style
   ────────────────────────────────────────────────────────────*/
.dx-stamp {
  width: 140px; height: 140px;
  border-radius: 50%;
  background: transparent;
  color: var(--vermillion);
  border: 3px solid var(--vermillion);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  font-family: var(--font-serif);
  font-weight: 700;
  transform: rotate(-8deg);
  position: relative;
  letter-spacing: 0.05em;
  /* Hanko texture: noisy red */
  box-shadow: inset 0 0 0 2px transparent;
  filter: contrast(1.1);
}
.dx-stamp::before {
  content: ""; position: absolute; inset: -3px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 40%, transparent 0, transparent 56%, rgba(196,69,45,0.12) 60%, transparent 70%);
  pointer-events: none;
}
.dx-stamp::after {
  content: ""; position: absolute; inset: 8px;
  border-radius: 50%;
  border: 1px solid var(--vermillion);
  opacity: 0.5;
}
.dx-stamp .big { font-size: 32px; line-height: 1; letter-spacing: 0.05em; }
.dx-stamp .sm { font-size: 10px; margin-top: 6px; letter-spacing: 0.2em; font-weight: 600; }

/* ────────────────────────────────────────────────────────────
   Free badge pill
   ────────────────────────────────────────────────────────────*/
.dx-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--ink); color: var(--paper-3);
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
  padding: 7px 14px; border-radius: 100px;
  white-space: nowrap;
  line-height: 1.25;
}
.dx-pill.red { background: var(--vermillion); }
.dx-pill.outline { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.dx-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--yellow); }
.dx-pill.red .dot { background: var(--paper-3); }

/* ────────────────────────────────────────────────────────────
   01 — HERO
   ────────────────────────────────────────────────────────────*/
.dx-hero { position: relative; padding: 80px 80px 100px; }
.dx-mobile .dx-hero { padding: 16px 22px 56px; }
.dx-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: start;
  max-width: 1200px; margin: 0 auto;
}
/* モバイルは「見出し → 見本デザイン → 本文」の順に並び替え（ファーストビューで見本を見せる） */
.dx-mobile .dx-hero-grid { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
.dx-mobile .dx-hero-copy { display: contents; }
.dx-mobile .dx-hero-visual { order: 1; margin: 6px 0 52px; }
.dx-mobile .dx-hero-body { order: 2; }
.dx-hero-top-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.dx-mobile .dx-hero-top-row { gap: 8px; margin-bottom: 18px; }
.dx-hero-vt {
  /* Vertical accent text */
  writing-mode: vertical-rl;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.4em;
  color: var(--ink-soft);
  padding: 8px 0;
  border-top: 2px solid var(--vermillion);
  border-bottom: 1px solid var(--ink);
}
.dx-hero h1 {
  font-family: var(--font-sans);
  font-size: 72px;
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 12px 0 30px;
  color: var(--ink);
  text-wrap: balance;
}
.dx-mobile .dx-hero h1 { font-size: 38px; line-height: 1.45; margin: 8px 0 22px; }
.dx-hero h1 .free {
  color: var(--vermillion);
  font-size: 1em;
  display: inline-block;
  position: relative;
  padding: 0 6px;
}
.dx-hero h1 .free::after {
  content: ""; position: absolute; left: -2px; right: -2px; bottom: -6px;
  height: 8px;
  background: var(--vermillion);
  opacity: 0.18;
  transform: skewX(-12deg);
}
.dx-hero h1 .small {
  font-size: 0.55em;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  display: block;
  line-height: 1.25;
  margin: 0 0 4px;
}
.dx-hero-lead {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 2;
  margin: 0 0 32px;
  max-width: 540px;
}
.dx-mobile .dx-hero-lead { font-size: 14px; line-height: 1.95; }
.dx-hero-note {
  max-width: 560px;
  margin: -14px 0 28px;
  color: var(--ink-soft);
  font-size: 12.5px;
  line-height: 1.8;
}
.dx-mobile .dx-hero-note { margin: -8px 0 22px; font-size: 12px; }
.dx-hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.dx-mobile .dx-hero-cta .dx-btn { font-size: 14px; padding: 14px 22px; }

.dx-hero-trust {
  display: flex; gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.dx-mobile .dx-hero-trust { flex-wrap: wrap; gap: 14px; padding: 14px 0; }
.dx-hero-trust .ti {
  flex: 1;
  display: flex; flex-direction: column;
  border-right: 1px solid var(--line);
  padding: 0 20px;
}
.dx-hero-trust .ti:last-child { border-right: none; }
.dx-mobile .dx-hero-trust .ti { flex: 1 1 45%; border-right: none; padding: 0; }
.dx-hero-trust .ti .label {
  font-size: 11px; color: var(--ink-soft);
  letter-spacing: 0.1em; margin-bottom: 4px;
}
.dx-hero-trust .ti .val {
  font-family: var(--font-price);
  font-size: 22px; font-weight: 500; color: var(--ink);
  letter-spacing: -0.005em;
  font-feature-settings: "lnum" 1, "tnum" 1;
}
.dx-hero-trust .ti .val .red { color: var(--vermillion); font-family: var(--font-serif); font-weight: 700; font-size: 18px; }
.dx-hero-trust .ti .val .yen { font-size: 13px; margin-left: 2px; font-family: var(--font-sans); color: var(--ink-soft); font-weight: 400; }

/* Hero visual — browser mock */
.dx-hero-visual {
  position: relative;
  aspect-ratio: 4 / 4;
}
.dx-mobile .dx-hero-visual { aspect-ratio: 5 / 4; }
.dx-hero-visual .stamp-pos {
  position: absolute;
  top: -22px; right: -22px;
  z-index: 4;
}
/* モバイルでは回転スタンプの外接矩形がビューポートをはみ出すため内側へ寄せる */
.dx-mobile .dx-hero-visual .stamp-pos { top: -14px; right: -6px; }
.dx-hero-visual .annot {
  position: absolute;
  bottom: -36px; left: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}
.dx-hero-visual .annot::before { content: "→ "; color: var(--vermillion); }

/* Browser frame — used in hero & elsewhere */
.dx-browser {
  position: absolute; inset: 0;
  border-radius: 10px;
  background: #fff;
  box-shadow:
    0 1px 0 var(--line) inset,
    0 30px 60px -20px rgba(26,24,21,0.18),
    0 8px 24px -12px rgba(26,24,21,0.1);
  overflow: hidden;
  border: 1px solid var(--ink);
}
.dx-browser .chrome {
  background: var(--paper-2);
  height: 32px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center;
  padding: 0 12px;
  gap: 6px;
}
.dx-browser .chrome .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--paper-deep); }
.dx-browser .chrome .dot:nth-child(1) { background: #e8918a; }
.dx-browser .chrome .dot:nth-child(2) { background: #e8c084; }
.dx-browser .chrome .dot:nth-child(3) { background: #91c084; }
.dx-browser .chrome .url {
  flex: 1; margin-left: 16px;
  background: var(--paper-3); border-radius: 4px;
  padding: 4px 10px; font-family: var(--font-mono); font-size: 10px;
  color: var(--ink-soft); border: 1px solid var(--line-soft);
}
.dx-browser .body {
  position: absolute; top: 32px; left: 0; right: 0; bottom: 0;
  overflow: hidden;
}
/* 3案クロスフェード */
.dx-browser .body .dx-hero-slide {
  position: absolute; inset: 0;
  display: block; width: 100%; height: 100%;
  object-fit: cover; object-position: top center;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.dx-browser .body .dx-hero-slide.is-active { opacity: 1; }

/* Trial top page mock content (inside browser) */
.dx-trial {
  padding: 18px 20px;
  font-family: var(--font-sans);
  background: var(--paper-3);
  height: 100%;
}
.dx-trial .nav-row {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}
.dx-trial .nav-row .logo {
  font-family: var(--font-serif); font-weight: 700;
  font-size: 13px;
}
.dx-trial .nav-row .menu {
  display: flex; gap: 12px;
  font-size: 9px; color: var(--ink-soft);
}
.dx-trial .hero {
  padding: 16px 0 12px;
}
.dx-trial .hero .eyebrow {
  display: inline-block;
  font-size: 8px; letter-spacing: 0.18em;
  background: var(--vermillion); color: #fff;
  padding: 2px 6px; margin-bottom: 8px;
}
.dx-trial .hero h2 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--ink);
}
.dx-trial .hero p {
  font-size: 9px; color: var(--ink-soft); margin: 0 0 12px; line-height: 1.7;
}
.dx-trial .hero .ctas { display: flex; gap: 6px; }
.dx-trial .hero .ctas .b {
  font-size: 8px; padding: 5px 10px;
  border-radius: 100px;
  background: var(--ink); color: #fff;
}
.dx-trial .hero .ctas .b.ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.dx-trial .grid3 {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 6px;
  margin-top: 14px;
}
.dx-trial .grid3 .cell {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 8px;
  font-size: 8px;
  color: var(--ink-soft);
}
.dx-trial .grid3 .cell strong {
  display: block; font-size: 10px; color: var(--ink);
  margin-bottom: 2px; font-family: var(--font-serif);
}
.dx-trial .img {
  height: 64px;
  border-radius: 4px;
  background:
    linear-gradient(135deg, var(--paper-deep), var(--paper-2)),
    var(--paper-2);
  margin-top: 10px;
  position: relative; overflow: hidden;
}
.dx-trial .img::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 70% 30%, rgba(196,69,45,0.18), transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(240,198,74,0.22), transparent 50%);
}

/* Floating "proposal A/B/C" tabs on hero browser */
.dx-hero-tabs {
  position: absolute;
  bottom: -22px; right: 28px;
  display: flex; gap: 6px;
  z-index: 3;
}
.dx-hero-tabs .tab {
  width: 60px; height: 44px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--ink);
  font-family: var(--font-num);
  font-style: italic;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 14px -6px rgba(26,24,21,0.2);
  color: var(--ink-soft);
  font-weight: 600;
}
.dx-hero-tabs .tab {
  cursor: pointer;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.dx-hero-tabs .tab.active {
  background: var(--ink); color: var(--paper-3);
  transform: translateY(-4px);
}
.dx-mobile .dx-hero-tabs { right: 12px; bottom: -16px; gap: 5px; }
.dx-mobile .dx-hero-tabs .tab { width: 46px; height: 34px; font-size: 12px; }

/* ────────────────────────────────────────────────────────────
   02 — PROBLEM
   ────────────────────────────────────────────────────────────*/
.dx-problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
}
.dx-mobile .dx-problem-grid { grid-template-columns: 1fr; gap: 14px; }
.dx-problem-card {
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: transform 0.3s;
}
.dx-problem-card:hover { transform: translateY(-2px); }
.dx-problem-card .qmark {
  font-family: var(--font-serif);
  font-size: 64px;
  line-height: 0.8;
  color: var(--vermillion);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.05em;
}
.dx-problem-card h4 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 12px;
}
.dx-problem-card p {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.9;
  margin: 0;
}
.dx-problem-card .tag {
  position: absolute;
  top: 24px; right: 24px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
}

/* ────────────────────────────────────────────────────────────
   03 — SOLUTION
   ────────────────────────────────────────────────────────────*/
.dx-solution {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 64px;
  align-items: center;
}
.dx-mobile .dx-solution { grid-template-columns: 1fr; gap: 36px; }
.dx-solution-visual {
  position: relative;
  aspect-ratio: 4/3.4;
}
.dx-solution-visual .step-overlay {
  position: absolute;
  background: var(--ink); color: var(--paper-3);
  font-family: var(--font-serif);
  border-radius: 4px;
  padding: 14px 18px;
  font-size: 13px;
  z-index: 3;
  max-width: 200px;
  line-height: 1.6;
}
.dx-solution-visual .step-overlay.s1 {
  top: -16px; left: -22px;
}
.dx-solution-visual .step-overlay.s2 {
  bottom: -16px; right: -22px;
  background: var(--vermillion);
}
.dx-solution-visual .step-overlay .num {
  font-family: var(--font-num);
  font-style: italic;
  font-size: 11px;
  color: var(--yellow);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 2px;
}

.dx-note {
  margin-top: 24px;
  background: var(--paper-2);
  border-left: 3px solid var(--vermillion);
  padding: 16px 22px;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.8;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.dx-note strong { color: var(--ink); font-weight: 700; }
.dx-note.dark {
  background: rgba(255,255,255,0.06);
  color: rgba(246,241,232,0.8);
  border-left-color: var(--yellow);
}
.dx-note.dark strong { color: var(--paper-3); }

/* ────────────────────────────────────────────────────────────
   04 — FEATURE (Process comparison)
   ────────────────────────────────────────────────────────────*/
.dx-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 56px;
  position: relative;
}
.dx-mobile .dx-compare { grid-template-columns: 1fr; gap: 0; }
.dx-compare-col {
  background: var(--paper-3);
  padding: 36px 32px;
  border: 1px solid var(--line);
}
.dx-compare-col:first-child {
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  border-right: none;
  opacity: 0.7;
}
.dx-compare-col.us {
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--paper-3);
  position: relative;
  z-index: 1;
}
.dx-mobile .dx-compare-col:first-child {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border-bottom: none;
  border-right: 1px solid var(--line);
}
.dx-mobile .dx-compare-col.us {
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.dx-compare-col .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 6px;
}
.dx-compare-col.us .label { color: var(--yellow); }
.dx-compare-col h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 24px;
}
.dx-compare-col ol {
  list-style: none; padding: 0; margin: 0;
}
.dx-compare-col ol li {
  display: flex; gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  align-items: center;
}
.dx-compare-col.us ol li { border-bottom: 1px dashed rgba(246,241,232,0.16); }
.dx-compare-col ol li:last-child { border-bottom: none; }
.dx-compare-col ol li .n {
  font-family: var(--font-num);
  font-style: italic;
  color: var(--muted);
  font-size: 14px;
  min-width: 24px;
}
.dx-compare-col.us ol li .n { color: var(--yellow); }
.dx-compare-col.us ol li.highlight {
  background: rgba(240,198,74,0.16);
  margin: 0 -12px;
  padding-left: 28px;
  padding-right: 12px;
  border-radius: 4px;
  font-weight: 700;
}
.dx-compare-col.us ol li.highlight .n { color: var(--yellow); }
.dx-compare-col .footer {
  margin-top: 20px;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
}
.dx-compare-col.us .footer { color: var(--yellow); }

.dx-compare-arrow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px; height: 56px;
  background: var(--vermillion);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-size: 22px;
  z-index: 2;
  box-shadow: 0 0 0 6px var(--paper-2);
}
.dx-mobile .dx-compare-arrow {
  top: auto; bottom: 50%; transform: translateX(-50%) rotate(90deg);
}

/* ────────────────────────────────────────────────────────────
   05 — FREE TOP PAGE
   ────────────────────────────────────────────────────────────*/
.dx-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.dx-mobile .dx-stats { grid-template-columns: 1fr 1fr; }
.dx-stats .s {
  padding: 36px 28px;
  text-align: center;
  border-right: 1px solid var(--line);
  position: relative;
}
.dx-stats .s:last-child { border-right: none; }
.dx-mobile .dx-stats .s:nth-child(2n) { border-right: none; }
.dx-mobile .dx-stats .s:nth-child(1),
.dx-mobile .dx-stats .s:nth-child(2) { border-bottom: 1px solid var(--line); }
.dx-stats .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.dx-stats .val {
  font-family: var(--font-price);
  font-size: 44px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--ink);
  margin-bottom: 10px;
  font-feature-settings: "lnum" 1, "tnum" 1;
}
.dx-mobile .dx-stats .val { font-size: 32px; }
.dx-stats .val .small { font-size: 16px; margin-left: 2px; color: var(--ink-soft); font-family: var(--font-sans); font-weight: 400; }
.dx-stats .val .red { color: var(--vermillion); }
.dx-stats .note {
  font-size: 11.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.dx-stats .num {
  position: absolute;
  top: 14px; left: 16px;
  font-family: var(--font-num);
  font-style: italic;
  font-size: 13px;
  color: var(--vermillion);
}

/* Three proposals preview */
.dx-proposals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 32px;
}
.dx-mobile .dx-proposals { grid-template-columns: 1fr; gap: 14px; }
.dx-prop {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}
.dx-prop .head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  font-family: var(--font-mono); font-size: 10px; color: var(--ink-soft);
}
.dx-prop .head .name {
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
}
.dx-prop .preview {
  aspect-ratio: 4/3;
  position: relative;
  background: var(--paper-3);
  overflow: hidden;
}
.dx-prop .preview::after {
  content: "";
  position: absolute; inset: 0;
  box-shadow: inset 0 0 0 1px rgba(26,24,21,0.06);
  pointer-events: none;
}

/* Proposal style variants — actual image previews */
.dx-prop .preview {
  background: var(--paper-3);
  background-size: cover;
  background-position: top center;
  position: relative;
}
.dx-prop.a .preview {
  background-image: url("assets/proposal-a.png");
}
.dx-prop.b .preview {
  background-image: url("assets/proposal-b.png");
}
.dx-prop.c .preview {
  background-image: url("assets/proposal-c.png");
}

/* ────────────────────────────────────────────────────────────
   06 — FLOW (10 steps vertical timeline)
   ────────────────────────────────────────────────────────────*/
.dx-flow {
  margin-top: 56px;
  position: relative;
  max-width: 920px;
  margin-left: auto; margin-right: auto;
}
.dx-flow::before {
  content: "";
  position: absolute;
  left: 30px; top: 28px; bottom: 28px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--ink) 0,
    var(--ink) 48%,
    var(--vermillion) 50%,
    var(--vermillion) 100%
  );
}
.dx-mobile .dx-flow::before { left: 22px; }
.dx-flow .step {
  display: grid;
  grid-template-columns: 62px 1fr auto;
  gap: 24px;
  padding: 18px 0;
  align-items: flex-start;
  position: relative;
}
.dx-mobile .dx-flow .step {
  grid-template-columns: 46px 1fr;
  gap: 14px;
}
.dx-flow .step .marker {
  width: 62px; height: 62px;
  border-radius: 50%;
  background: var(--paper-3);
  border: 2px solid var(--ink);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  position: relative;
  z-index: 2;
  font-family: var(--font-num);
}
.dx-mobile .dx-flow .step .marker { width: 46px; height: 46px; }
.dx-flow .step .marker .n {
  font-style: italic;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}
.dx-mobile .dx-flow .step .marker .n { font-size: 16px; }
.dx-flow .step .marker .l {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.15em;
  color: var(--ink-soft);
}
.dx-mobile .dx-flow .step .marker .l { display: none; }
.dx-flow .step.paid .marker {
  background: var(--vermillion);
  border-color: var(--vermillion);
}
.dx-flow .step.paid .marker .n { color: #fff; }
.dx-flow .step.paid .marker .l { color: var(--yellow); }
.dx-flow .step .body h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  margin: 6px 0 6px;
  letter-spacing: 0.01em;
}
.dx-mobile .dx-flow .step .body h4 { font-size: 15px; }
.dx-flow .step .body p {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin: 0;
}
.dx-flow .step .pay {
  align-self: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--ink-soft);
  background: var(--paper-3);
  white-space: nowrap;
}
.dx-mobile .dx-flow .step .pay {
  grid-column: 2;
  justify-self: start;
  margin-top: 6px;
  font-size: 9px;
  padding: 6px 12px;
}
.dx-flow .step.paid .pay {
  background: var(--vermillion);
  border-color: var(--vermillion);
  color: #fff;
  font-weight: 700;
}
.dx-flow-divider {
  position: relative;
  margin: 20px 0 20px 30px;
  padding-left: 50px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--vermillion);
}
.dx-mobile .dx-flow-divider { margin-left: 22px; padding-left: 36px; }
.dx-flow-divider::before {
  content: "";
  position: absolute;
  left: -2px; top: 50%;
  width: 14px; height: 14px;
  background: var(--vermillion);
  border-radius: 50%;
  transform: translateY(-50%);
  border: 3px solid var(--paper-2);
}

.dx-why {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
}
.dx-mobile .dx-why {
  grid-template-columns: 1fr;
  margin-top: 32px;
}
.dx-why-card {
  padding: 28px 26px;
  border: 1px solid var(--line);
  background: var(--paper-3);
  border-radius: var(--radius);
}
.dx-why-card .n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper-3);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 800;
}
.dx-why-card h3 {
  margin: 0 0 12px;
  font-size: 18px;
  line-height: 1.55;
}
.dx-why-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.9;
}
.dx-fit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 22px;
}
.dx-mobile .dx-fit { grid-template-columns: 1fr; }
.dx-fit-box {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.dx-fit-box.good {
  background: var(--vermillion-soft);
  border-color: rgba(196,69,45,0.22);
}
.dx-fit-box.muted { background: var(--paper-2); }
.dx-fit-box h3 {
  margin: 0 0 18px;
  font-size: 18px;
}
.dx-fit-box ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.dx-fit-box li {
  position: relative;
  padding-left: 20px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.7;
}
.dx-fit-box li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--vermillion);
}
.dx-fit-box.muted li::before { background: var(--muted); }

/* ────────────────────────────────────────────────────────────
   07 — PRICING
   ────────────────────────────────────────────────────────────*/
.dx-pricing-pills {
  display: flex; justify-content: center; gap: 12px;
  flex-wrap: wrap;
  margin: 32px 0 48px;
}
.dx-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.dx-mobile .dx-plans { grid-template-columns: 1fr; gap: 18px; }
.dx-plan {
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex; flex-direction: column;
  position: relative;
}
.dx-plan.featured {
  background: var(--ink);
  color: var(--paper-3);
  border-color: var(--ink);
  transform: translateY(-10px);
  box-shadow: 0 30px 60px -30px rgba(26,24,21,0.4);
}
.dx-mobile .dx-plan.featured { transform: none; }
.dx-plan .ribbon {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--vermillion);
  color: #fff;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.16em;
  padding: 5px 14px;
  border-radius: 100px;
}
.dx-plan .pname {
  font-family: var(--font-num);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.16em;
  font-weight: 600;
  color: var(--vermillion);
  margin-bottom: 8px;
}
.dx-plan.featured .pname { color: var(--yellow); }
.dx-plan .phead {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 6px;
  line-height: 1.3;
}
.dx-plan .ppage {
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.dx-plan.featured .ppage { color: rgba(246,241,232,0.6); }
.dx-plan .pdesc {
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin: 0 0 22px;
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--line);
}
.dx-plan.featured .pdesc { color: rgba(246,241,232,0.7); border-color: rgba(246,241,232,0.18); }
.dx-plan .pprice {
  display: flex; align-items: baseline; gap: 3px;
}
.dx-plan .pprice .num {
  font-family: var(--font-price);
  font-style: normal;
  font-size: 58px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.01em;
  font-feature-settings: "lnum" 1, "tnum" 1;
}
.dx-plan .pprice .yen { font-size: 22px; font-family: var(--font-price); color: var(--ink-2); font-weight: 500; }
.dx-plan .pprice .unit { font-size: 13px; color: var(--ink-soft); }
.dx-plan.featured .pprice .unit { color: rgba(246,241,232,0.6); }
.dx-plan .pinitial {
  margin-top: 10px;
  font-size: 12px;
  color: var(--ink-soft);
}
.dx-plan.featured .pinitial { color: rgba(246,241,232,0.7); }
.dx-plan .pinitial strong { color: var(--ink); font-weight: 700; }
.dx-plan.featured .pinitial strong { color: var(--paper-3); }
.dx-plan .pinitial-note {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}
.dx-plan.featured .pinitial-note { color: rgba(246,241,232,0.5); }
.dx-plan .pfeats {
  list-style: none; padding: 22px 0 0; margin: 22px 0 24px 0;
  border-top: 1px dashed var(--line);
  display: flex; flex-direction: column; gap: 11px;
}
.dx-plan.featured .pfeats { border-color: rgba(246,241,232,0.18); }
.dx-plan .pfeats li {
  font-size: 13px;
  display: flex; gap: 10px;
  line-height: 1.6;
  color: var(--ink-2);
}
.dx-plan.featured .pfeats li { color: rgba(246,241,232,0.8); }
.dx-plan .pfeats li::before {
  content: "✓";
  color: var(--vermillion);
  font-weight: 700;
  flex-shrink: 0;
}
.dx-plan.featured .pfeats li::before { color: var(--yellow); }
.dx-plan .pcta { margin-top: auto; }
.dx-plan .pcta .dx-btn { width: 100%; }
.dx-plan.featured .pcta .dx-btn {
  background: var(--yellow); color: var(--ink); border-color: var(--yellow);
}
.dx-plan.featured .pcta .dx-btn:hover { background: #f0c64a; }
.dx-plan.featured .pcta .dx-btn .arrow { background: var(--ink); color: var(--yellow); }

/* Pricing single layout */
.dx-plan-single {
  background: var(--paper-3);
  border: 2px solid var(--ink);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  position: relative;
}
.dx-mobile .dx-plan-single { grid-template-columns: 1fr; padding: 32px 24px; gap: 28px; }
.dx-plan-single .ribbon {
  position: absolute; top: -14px; left: 40px;
  background: var(--vermillion); color: #fff;
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 18px; border-radius: 100px;
}
.dx-plan-single .price-big {
  font-family: var(--font-price);
  font-style: normal;
  font-size: 128px;
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--ink);
  font-feature-settings: "lnum" 1, "tnum" 1;
}
.dx-mobile .dx-plan-single .price-big { font-size: 72px; }
.dx-plan-single .price-row {
  display: flex; align-items: baseline; gap: 8px;
  margin-bottom: 20px;
}
.dx-plan-single .price-row .yen { font-family: var(--font-price); font-size: 32px; font-weight: 500; color: var(--ink-2); }
.dx-plan-single .price-row .unit { font-size: 18px; color: var(--ink-soft); margin-left: 6px; }

/* Pricing compare table */
.dx-compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--paper-3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}
.dx-compare-table th, .dx-compare-table td {
  padding: 18px 20px;
  text-align: center;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.dx-compare-table th:last-child, .dx-compare-table td:last-child { border-right: none; }
.dx-compare-table tr:last-child td { border-bottom: none; }
.dx-compare-table th {
  background: var(--paper-2);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
}
.dx-compare-table th.featured {
  background: var(--ink); color: var(--paper-3);
  position: relative;
}
.dx-compare-table th.featured::before {
  content: "人気";
  position: absolute;
  top: 6px; left: 50%; transform: translateX(-50%);
  font-size: 9px; letter-spacing: 0.15em;
  background: var(--vermillion); color: #fff;
  padding: 2px 8px; border-radius: 100px;
  font-family: var(--font-sans); font-weight: 700;
}
.dx-compare-table td.featured { background: rgba(196,69,45,0.05); }
.dx-compare-table td:first-child {
  text-align: left;
  font-weight: 600;
  background: var(--paper-2);
  font-size: 13px;
  color: var(--ink-2);
}
.dx-compare-table .price-row td {
  font-family: var(--font-price);
  font-style: normal;
  font-size: 30px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  font-feature-settings: "lnum" 1, "tnum" 1;
}
.dx-compare-table .price-row td.featured { color: var(--vermillion); }
.dx-compare-table .price-row td:first-child {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 13px;
  color: var(--ink-2);
}
.dx-compare-table .price-row td .unit {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-soft);
  margin-left: 2px;
}
.dx-compare-table .check {
  font-size: 18px; color: var(--vermillion); font-weight: 700;
}
.dx-mobile .dx-compare-table { font-size: 11px; }
.dx-mobile .dx-compare-table th, .dx-mobile .dx-compare-table td { padding: 10px 6px; }
.dx-mobile .dx-compare-table .price-row td { font-size: 18px; }

/* ────────────────────────────────────────────────────────────
   08 — Price summary
   ────────────────────────────────────────────────────────────*/
.dx-summary {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--paper-3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  margin-top: 36px;
}
.dx-summary th, .dx-summary td {
  padding: 18px 22px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
}
.dx-summary tr:last-child td { border-bottom: none; }
.dx-summary th {
  background: var(--paper-2);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.dx-summary .featured-row td { background: rgba(196,69,45,0.04); position: relative; }
.dx-summary .featured-row td:first-child::before {
  content: "★";
  color: var(--vermillion);
  margin-right: 6px;
}
.dx-summary .price-cell {
  font-family: var(--font-price);
  font-style: normal;
  font-size: 24px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
  font-feature-settings: "lnum" 1, "tnum" 1;
}
.dx-summary .price-cell .yen { font-size: 12px; font-family: var(--font-sans); font-style: normal; color: var(--ink-soft); margin-left: 2px; font-weight: 400; }

/* Mobile: 4列の表だと横はみ出しするため、プランごとの縦積みカードに組み替える */
.dx-mobile .dx-summary {
  border: none;
  background: transparent;
  border-radius: 0;
  overflow: visible;
  margin-top: 24px;
}
.dx-mobile .dx-summary thead { display: none; }
.dx-mobile .dx-summary,
.dx-mobile .dx-summary tbody,
.dx-mobile .dx-summary tr,
.dx-mobile .dx-summary td {
  display: block;
  width: 100%;
  box-sizing: border-box;
}
.dx-mobile .dx-summary tr {
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 16px;
}
.dx-mobile .dx-summary tr:last-child { margin-bottom: 0; }
.dx-mobile .dx-summary td {
  padding: 0;
  border-bottom: none;
  font-size: 15px;
}
/* 1列目（プラン名）= カードの見出し */
.dx-mobile .dx-summary td:first-child {
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
}
/* ラベル付きの行（ページ数 / 月額 / 初回3ヶ月分） */
.dx-mobile .dx-summary td[data-label] {
  display: flex;
  align-items: baseline;
  padding: 8px 0;
}
.dx-mobile .dx-summary td[data-label]::before {
  content: attr(data-label);
  flex: 0 0 104px;
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 13px;
  font-weight: 500;
}
.dx-mobile .dx-summary .price-cell { font-size: 22px; }
.dx-mobile .dx-summary .featured-row {
  background: rgba(196, 69, 45, 0.05);
  border-color: rgba(196, 69, 45, 0.35);
}

/* ────────────────────────────────────────────────────────────
   09 — Included
   ────────────────────────────────────────────────────────────*/
.dx-included {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
}
/* モバイルは1列縦並び（2列だと各項目が2〜3文字で折り返し可読性が落ちるため） */
.dx-mobile .dx-included { grid-template-columns: 1fr; gap: 14px; margin-top: 32px; }
.dx-included .cat {
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
}
.dx-included .cat .ix {
  font-family: var(--font-num);
  font-style: italic;
  font-size: 12px;
  color: var(--vermillion);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.dx-included .cat h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}
.dx-included .cat ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.dx-included .cat ul li {
  font-size: 13px;
  color: var(--ink-2);
  padding-left: 18px;
  position: relative;
  line-height: 1.6;
}
.dx-included .cat ul li::before {
  content: "→";
  position: absolute; left: 0; top: 0;
  color: var(--vermillion);
  font-weight: 700;
}

/* ────────────────────────────────────────────────────────────
   10 — Page select
   ────────────────────────────────────────────────────────────*/
.dx-pageselect {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
}
.dx-mobile .dx-pageselect { grid-template-columns: 1fr; gap: 14px; }
.dx-pageselect .item {
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
}
.dx-pageselect .item .pn {
  display: inline-block;
  background: var(--vermillion);
  color: #fff;
  font-family: var(--font-num);
  font-style: italic;
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.dx-pageselect .item .when {
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.dx-pageselect .item h4 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 18px;
  line-height: 1.4;
}
.dx-pageselect .item ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.dx-pageselect .item ul li {
  font-size: 13px;
  color: var(--ink-2);
  padding-left: 18px;
  position: relative;
  line-height: 1.7;
}
.dx-pageselect .item ul li::before {
  content: "・";
  position: absolute; left: 0; top: 0;
  color: var(--vermillion);
  font-weight: 700;
}

/* ────────────────────────────────────────────────────────────
   11 — Extra fees (chips)
   ────────────────────────────────────────────────────────────*/
.dx-fees-box {
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  max-width: 920px;
  margin: 56px auto 0;
}
.dx-mobile .dx-fees-box { padding: 24px 22px; }
.dx-fees-box .lbl {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--vermillion);
  margin-bottom: 18px;
  font-weight: 600;
}
.dx-chips {
  display: flex; flex-wrap: wrap; gap: 10px;
}
.dx-chips .chip {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 10px 18px;
  font-size: 13px;
  color: var(--ink-2);
  transition: all 0.15s;
}
.dx-chips .chip:hover { background: var(--ink); color: var(--paper-3); border-color: var(--ink); }

/* ────────────────────────────────────────────────────────────
   12 — Domain
   ────────────────────────────────────────────────────────────*/
.dx-domain {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.dx-mobile .dx-domain { grid-template-columns: 1fr; gap: 36px; }
.dx-domain-diagram {
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  aspect-ratio: 5/4;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.dx-domain-diagram .row {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}
.dx-domain-diagram .row:last-child { margin-bottom: 0; }
.dx-domain-diagram .row .blk {
  background: var(--paper-2);
  border: 1.5px solid var(--ink);
  border-radius: 6px;
  padding: 16px 14px;
  text-align: center;
}
.dx-domain-diagram .row .blk .l {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.dx-domain-diagram .row .blk .v {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
}
.dx-domain-diagram .row .blk.keep {
  background: var(--ink); color: var(--paper-3);
}
.dx-domain-diagram .row .blk.keep .l { color: var(--yellow); }
.dx-domain-diagram .row .blk.old {
  border-style: dashed;
  color: var(--ink-soft);
  background: transparent;
  text-decoration: line-through;
  text-decoration-color: var(--muted);
}
.dx-domain-diagram .row .blk.new {
  background: var(--vermillion);
  color: #fff;
  border-color: var(--vermillion);
}
.dx-domain-diagram .row .blk.new .l { color: var(--yellow); }
.dx-domain-diagram .row .arr {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--vermillion);
  text-align: center;
  font-weight: 700;
}

/* ────────────────────────────────────────────────────────────
   13 — Quality check
   ────────────────────────────────────────────────────────────*/
.dx-checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 22px;
  margin-top: 56px;
  max-width: 880px;
  margin-left: auto; margin-right: auto;
}
.dx-mobile .dx-checks { grid-template-columns: 1fr; gap: 10px; }
.dx-checks .item {
  display: flex; align-items: center; gap: 16px;
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  font-size: 14px;
}
.dx-checks .item .chk {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--vermillion);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}
.dx-checks .item .n {
  font-family: var(--font-num);
  font-style: italic;
  color: var(--vermillion);
  font-size: 13px;
  margin-right: 8px;
}

/* ────────────────────────────────────────────────────────────
   14 — Target fit
   ────────────────────────────────────────────────────────────*/
.dx-target {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  max-width: 920px;
  margin: 56px auto 0;
}
.dx-mobile .dx-target { grid-template-columns: 1fr; }
.dx-target .row {
  display: flex; gap: 16px; align-items: center;
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 14.5px;
  line-height: 1.5;
}
.dx-target .row .chk {
  width: 32px; height: 32px;
  border: 2px solid var(--vermillion);
  border-radius: 6px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--vermillion);
  font-weight: 700;
  font-size: 16px;
  background: rgba(196,69,45,0.05);
}

/* ────────────────────────────────────────────────────────────
   15 — FAQ
   ────────────────────────────────────────────────────────────*/
.dx-faq { max-width: 880px; margin: 56px auto 0; }
.dx-faq .item {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}
.dx-faq .item:first-child { border-top: 1px solid var(--line); }
.dx-faq .item .q {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  line-height: 1.5;
  position: relative;
  z-index: 1;
}
.dx-mobile .dx-faq .item .q { font-size: 14.5px; }
.dx-faq .item .q::before {
  content: "Q.";
  font-family: var(--font-num);
  font-style: italic;
  font-size: 18px;
  color: var(--vermillion);
  margin-right: 14px;
  flex-shrink: 0;
}
.dx-faq .item .toggle {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; line-height: 1;
  flex-shrink: 0;
}
.dx-faq .item .a {
  font-size: 14px;
  color: var(--ink-2);
  margin-top: 16px;
  padding-left: 40px;
  display: none;
  line-height: 1.9;
  position: relative;
  z-index: 0;
  pointer-events: none;
}
.dx-faq .item.open .a { display: block; }
.dx-faq .item.open .toggle { background: var(--vermillion); border-color: var(--vermillion); color: #fff; }
.dx-faq .item .a::before {
  content: "A. ";
  font-family: var(--font-num);
  font-style: italic;
  color: var(--vermillion);
  font-weight: 700;
  margin-right: 4px;
}

/* ────────────────────────────────────────────────────────────
   16 — Final CTA
   ────────────────────────────────────────────────────────────*/
.dx-final {
  background: var(--ink);
  color: var(--paper-3);
  border-radius: var(--radius-lg);
  padding: 80px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.dx-mobile .dx-final { padding: 48px 22px; border-radius: var(--radius-lg); }
.dx-final::before { display: none; }
.dx-mobile .dx-final::before { display: none; }
.dx-final-content { position: relative; z-index: 1; }
.dx-final .stamp-row {
  display: flex; justify-content: center; gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.dx-final h2 {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  margin: 12px 0 18px;
  line-height: 1.4;
  letter-spacing: 0.01em;
}
.dx-mobile .dx-final h2 { font-size: 22px; }
/* 下線つきの強調語句を行またぎで割らない（「ページ」分割や下線の分断を防ぐ） */
.dx-final h2 .yel { white-space: nowrap; }
.dx-final h2 .yel {
  color: var(--yellow);
  border-bottom: 4px solid var(--yellow);
  padding-bottom: 2px;
}
.dx-final .sub {
  color: rgba(246,241,232,0.7);
  font-size: 14.5px;
  line-height: 2;
  margin: 0 auto 40px;
  max-width: 620px;
}
.dx-final .ctas {
  display: flex; justify-content: center; gap: 16px;
  flex-wrap: wrap;
}
.dx-mobile .dx-final .ctas .dx-btn { width: 100%; }
/* 最終CTAのLINEボタンも他箇所と同じ赤(vermillion)に統一（暗背景上で白文字） */
.dx-final .micro {
  font-size: 11px;
  color: rgba(246,241,232,0.5);
  margin-top: 28px;
  letter-spacing: 0.05em;
}

/* 極小幅では最終CTAの長いボタン文言を折り返し可にして切れを防ぐ */
.dx-mobile .dx-final .ctas .dx-btn { white-space: normal; }

/* 申込セクション：フォームを中央寄せ・最大幅で配置 */
.dx-apply-wrap { max-width: 600px; margin: 36px auto 0; }
.dx-mobile .dx-apply-wrap { margin-top: 28px; }

/* ────────────────────────────────────────────────────────────
   申込フォーム
   ────────────────────────────────────────────────────────────*/
.dx-form {
  background: var(--paper-3);
  color: var(--ink);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: left;
}
.dx-mobile .dx-form { padding: 24px 20px; }
.dx-form-head { margin-bottom: 20px; }
.dx-form-eyebrow {
  font-family: var(--font-num, var(--font-sans));
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--vermillion);
  font-weight: 600;
}
.dx-form-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  margin: 6px 0 8px;
  line-height: 1.3;
  color: var(--ink);
}
.dx-form-lead {
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-soft);
  margin: 0;
}
.dx-form-field { margin-bottom: 14px; }
.dx-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.dx-form .req {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
  background: var(--vermillion);
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: 8px;
  letter-spacing: 0.04em;
  vertical-align: middle;
}
.dx-form input,
.dx-form textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: var(--font-sans);
  font-size: 16px; /* iOS Safari の自動ズーム防止 */
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 13px;
}
.dx-form input::placeholder,
.dx-form textarea::placeholder { color: #b3a994; }
.dx-form input:focus,
.dx-form textarea:focus {
  outline: none;
  border-color: var(--vermillion);
  box-shadow: 0 0 0 3px var(--vermillion-soft);
}
.dx-form textarea { resize: vertical; min-height: 84px; line-height: 1.7; }
/* ハニーポット（人間には見せない） */
.dx-form-hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.dx-form-consent {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-2);
  margin: 4px 0 18px;
  line-height: 1.6;
}
.dx-form-consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  flex: 0 0 auto;
  accent-color: var(--vermillion);
}
.dx-form-consent a { color: var(--vermillion); text-decoration: underline; }
.dx-form-submit { margin-top: 4px; cursor: pointer; font-family: var(--font-sans); }
.dx-form-submit:disabled { opacity: 0.55; cursor: not-allowed; }
.dx-form-note {
  font-size: 11px;
  color: var(--ink-soft);
  text-align: center;
  margin: 12px 0 0;
}
.dx-form-msg { font-size: 13px; line-height: 1.6; margin: 0 0 14px; padding: 10px 12px; border-radius: 8px; }
.dx-form-msg.error { color: var(--vermillion-2); background: var(--vermillion-soft); }
/* 送信完了の表示 */
.dx-form-done { text-align: center; }
.dx-form-done-icon {
  width: 48px; height: 48px;
  margin: 4px auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700;
  color: #fff; background: var(--vermillion);
  border-radius: 50%;
}
.dx-form-done h3 {
  font-family: var(--font-serif);
  font-size: 20px; font-weight: 700;
  margin: 0 0 10px; color: var(--ink);
}
.dx-form-done p { font-size: 14px; line-height: 1.8; color: var(--ink-soft); margin: 0; }

/* ────────────────────────────────────────────────────────────
   Footer
   ────────────────────────────────────────────────────────────*/
.dx-footer {
  background: #110f0c;
  color: rgba(246,241,232,0.55);
  padding: 64px 64px 32px;
  font-size: 13px;
}
.dx-mobile .dx-footer { padding: 40px 22px 24px; }
.dx-footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(246,241,232,0.12);
}
.dx-mobile .dx-footer-top { grid-template-columns: 1fr; gap: 28px; }
.dx-footer h5 {
  font-family: var(--font-serif);
  color: var(--paper-3); font-size: 14px;
  margin: 0 0 16px;
  font-weight: 700;
}
.dx-footer ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.dx-footer ul li { font-size: 12.5px; }
.dx-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: inherit;
  text-decoration: none;
  position: relative;
  z-index: 1;
}
.dx-footer a:hover { color: var(--paper-3); }
.dx-footer-brand p {
  margin: 18px 0 0;
  line-height: 1.9;
  font-size: 12.5px;
}
.dx-footer-bottom {
  padding-top: 24px;
  display: flex; justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.dx-mobile .dx-footer-bottom { flex-direction: column; gap: 8px; align-items: flex-start; }
.dx-footer .dx-logo-img {
  width: 200px;
  height: 42px;
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

/* Mobile fixed bottom CTA bar */
.dx-mobile-cta {
  position: static;
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: 8px 14px 10px;
  display: flex; gap: 10px;
  z-index: 30;
  box-shadow: 0 -4px 20px -8px rgba(26,24,21,0.18);
}

/* ────────────────────────────────────────────────────────────
   Section header utility (centered version)
   ────────────────────────────────────────────────────────────*/
.dx-shead { text-align: center; max-width: 800px; margin: 0 auto; }
.dx-shead.left { text-align: left; max-width: none; margin: 0; }