/* irodori式ストレングス入門 — 彩り（パステル虹 × ふんわり可愛い）テイスト */

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

:root {
  /* ベース：irodori公式理念LP準拠（クリーム × コーラルピンク × オレンジ） */
  --paper: #FFF7F0;          /* irodori --bg */
  --paper-deep: #FCEEE3;     /* irodori --bg-soft */
  --paper-deeper: #F9E4D2;   /* irodori --bg-deep */
  --ink: #2A2A2A;
  --ink-soft: #4A4A4A;
  --muted: #666;
  --line: rgba(42, 42, 42, 0.08);
  --line-soft: rgba(42, 42, 42, 0.04);

  --primary: #E8807E;        /* irodoriピンク */
  --primary-deep: #DD5757;   /* irodoriピンク濃 */
  --primary-light: #FBDDD0;
  --primary-soft: #FCE7D5;
  --accent: #F4B556;         /* irodoriオレンジ */
  --accent-deep: #E89A2F;
  --accent-soft: #FFE4D2;
  --accent-warm: #F4B556;

  --navy: #3B5C7A;           /* irodoriネイビー（差し色） */
  --navy-soft: #7A99B8;
  --green-ok: #5FAA5F;       /* irodoriグリーン */
  --blue-info: #4A8FCA;      /* irodoriブルー */

  /* 4ドメイン（公式準拠・彩り版＝明るくふわっと） */
  /* 実行力=紫 / 影響力=オレンジ / 人間関係構築力=青 / 戦略的思考力=緑 */
  --exec: #B6A4DE;
  --influence: #F4B556;      /* irodoriオレンジに統一 */
  --relation: #8FBEDF;
  --thinking: #9BD3B0;

  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-warm: 0 16px 40px rgba(232, 128, 126, 0.18);
  --radius: 18px;
  --radius-lg: 28px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ヘッダー */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 64px;
  background: rgba(251, 248, 243, 0.92);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #FFF;
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 14px rgba(232, 128, 126, 0.32);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.nav-links a {
  position: relative;
  text-decoration: none;
  padding-bottom: 4px;
  transition: color 200ms ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-links a.nav-cta {
  padding: 6px 14px;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  color: var(--primary);
  font-weight: 600;
  transition: background 200ms ease, color 200ms ease;
}

.nav-links a.nav-cta::after {
  display: none;
}

.nav-links a.nav-cta:hover {
  background: var(--primary);
  color: var(--paper);
}

/* セクション共通 */
.hero-section,
.foundation-section,
.why-section,
.philosophy-section,
.investment-section,
.plain-section,
.compare-section,
.split-section,
.job-section,
.themes-section,
.share-section,
.faq-section,
.cta-section {
  padding: 120px 80px;
}

/* タイトル */
h1, h2, h3, h4 {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}

h1 {
  margin: 0;
  max-width: 880px;
  font-size: 64px;
  line-height: 1.35;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-wrap: balance;
}

.hero-sub {
  margin: 28px 0 0;
  font-family: "Noto Serif JP", serif;
  font-size: 20px;
  line-height: 1.85;
  font-weight: 400;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.45;
  font-weight: 500;
  text-wrap: balance;
}

h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.5;
  font-weight: 600;
}

p {
  margin: 0;
  letter-spacing: 0.01em;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 56px;
}

.section-heading p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.95;
}

.section-heading p strong,
.foundation-section .section-heading p strong,
.why-section .section-heading p strong {
  font-weight: 600;
  color: var(--primary);
  background: linear-gradient(transparent 62%, rgba(196, 145, 94, 0.30) 62%);
  padding: 0 2px;
}

/* ヒーロー：irodori公式テイスト（ピーチクリーム × blob装飾） */
.hero-section {
  position: relative;
  min-height: calc(86vh - 64px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  align-items: center;
  gap: 64px;
  background: linear-gradient(135deg, #FFF1E5 0%, #FFE4D2 100%);
  overflow: hidden;
}

/* irodori公式の blob 風装飾（ふわっと大きな円が浮かぶ） */
.hero-section::before {
  content: "";
  position: absolute;
  top: -100px;
  left: -80px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: #FBDDD0;
  pointer-events: none;
  filter: blur(2px);
  animation: blobFloat 9s ease-in-out infinite;
}

.hero-section::after {
  content: "";
  position: absolute;
  top: 60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: #FCE7D5;
  pointer-events: none;
  filter: blur(2px);
  animation: blobFloat 11s ease-in-out infinite reverse;
}

/* 3つ目のblob（中央下） */
.hero-section .hero-copy::before {
  content: "";
  position: absolute;
  bottom: -160px;
  left: 30%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: #FAD4C2;
  opacity: 0.5;
  pointer-events: none;
  filter: blur(4px);
  z-index: 0;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -16px); }
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-section .eyebrow {
  color: var(--primary);
}

.hero-lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 28px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: var(--radius);
  transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease;
  cursor: pointer;
}

.primary-action {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-warm) 100%);
  color: #FFF;
  border: none;
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(228, 139, 168, 0.30);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.10);
}

.primary-action:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(228, 139, 168, 0.42);
}

.secondary-action {
  background: rgba(255, 255, 255, 0.7);
  color: var(--primary);
  border: 1.5px solid var(--primary-soft);
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.secondary-action:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  transform: translateY(-3px);
}

.hero-dashboard {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 16px;
  align-self: center;
}

.dashboard-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}

.dashboard-panel p {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.dashboard-panel strong {
  display: block;
  font-family: "Noto Serif JP", serif;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink);
}

.dashboard-panel span {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 0;
}

.mini-metrics div {
  padding: 18px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.6);
  text-align: center;
}

.mini-metrics dt {
  font-family: "Noto Serif JP", serif;
  color: var(--primary);
  font-size: 28px;
  font-weight: 500;
  line-height: 1;
}

.mini-metrics dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.06em;
}

/* foundation / why / plain (ベージュ系) */
.plain-section,
.foundation-section,
.why-section {
  background: var(--paper);
  border-bottom: 1px solid var(--line-soft);
}

.foundation-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr);
  gap: 64px;
  align-items: start;
  margin-bottom: 64px;
}

.section-heading p + p {
  margin-top: 14px;
}

/* シンプル化したフォーミュラ表示 */
.philosophy-board {
  padding: 40px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-deep);
}

.formula-strip {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 0;
  margin-bottom: 32px;
}

.formula-strip span {
  display: grid;
  place-items: center;
  min-height: 64px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.formula-strip b {
  font-family: "Noto Serif JP", serif;
  color: var(--accent);
  font-size: 22px;
  font-weight: 400;
}

.philosophy-board > p {
  text-align: center;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.9;
}

.philosophy-board strong {
  display: block;
  margin-top: 16px;
  text-align: center;
  font-family: "Noto Serif JP", serif;
  font-size: 17px;
  font-weight: 500;
  color: var(--primary);
}

/* premise-grid */
.premise-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.premise-card {
  position: relative;
  padding: 36px 32px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--paper);
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.premise-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.premise-card span {
  display: block;
  margin-bottom: 16px;
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.premise-card h3 {
  margin-bottom: 14px;
  color: var(--ink);
}

.premise-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.95;
}

/* why */
.why-section {
  background: var(--paper-deep);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.why-card {
  padding: 36px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.why-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.why-card span {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 12px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.why-card h3 {
  margin-bottom: 14px;
}

.why-card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.95;
}

/* philosophy（桜ピンク差し色セクション） */
.philosophy-section {
  background: linear-gradient(135deg, var(--primary) 0%, #D87096 60%, var(--accent-warm) 100%);
  color: #FFF;
  position: relative;
  overflow: hidden;
}

.philosophy-section::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.philosophy-section h2,
.philosophy-section h3 {
  color: #FFF;
}

.philosophy-section .eyebrow {
  color: #FFEFD9;
}

.philosophy-section .section-heading p {
  color: rgba(255, 255, 255, 0.92);
}

.philosophy-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  position: relative;
}

.philosophy-list article {
  padding: 36px 32px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.philosophy-list strong {
  display: block;
  margin-bottom: 14px;
  color: #FFEFD9;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.philosophy-list h3 {
  margin-bottom: 12px;
  font-size: 18px;
}

.philosophy-list p {
  color: rgba(255, 255, 255, 0.92);
  font-size: 14.5px;
  line-height: 1.95;
}

/* investment */
.investment-section {
  background: var(--paper);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.investment-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.65fr);
  gap: 40px;
  align-items: stretch;
  margin-bottom: 40px;
}

.investment-story {
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-deep);
}

.investment-story h3 {
  margin-bottom: 18px;
  color: var(--primary);
  font-size: 22px;
}

.investment-story p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2;
}

.investment-story p + p {
  margin-top: 16px;
}

.investment-formula {
  display: grid;
  grid-template-rows: 1fr auto 1fr auto 1fr;
  gap: 8px;
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  background: var(--primary);
  color: var(--paper);
}

.investment-formula div {
  padding: 18px 20px;
  border: 1px solid rgba(251, 248, 243, 0.16);
  border-radius: var(--radius);
  background: rgba(251, 248, 243, 0.06);
}

.investment-formula span {
  display: block;
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.investment-formula strong {
  display: block;
  margin-top: 6px;
  font-family: "Noto Serif JP", serif;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
}

.investment-formula b {
  justify-self: center;
  font-family: "Noto Serif JP", serif;
  color: rgba(251, 248, 243, 0.5);
  font-size: 22px;
  font-weight: 400;
}

.investment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.investment-grid article {
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius);
  background: var(--paper);
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.investment-grid article:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.investment-grid span {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--paper);
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 600;
}

.investment-grid h3 {
  margin-bottom: 12px;
  font-size: 17px;
}

.investment-grid p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

/* case-study（投資セクション内のサブブロック） */
.case-study {
  margin-top: 80px;
  padding-top: 64px;
  border-top: 1px solid var(--line);
}

.case-heading {
  max-width: 760px;
  margin-bottom: 40px;
}

.case-heading h3 {
  margin: 14px 0 16px;
  font-size: 26px;
  font-weight: 500;
  color: var(--ink);
}

.case-heading p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.case-card {
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--paper-deep);
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.case-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.case-label {
  margin: 0 0 10px;
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.case-strengths {
  margin: 0 0 20px;
  font-family: "Noto Serif JP", serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  line-height: 1.5;
}

.case-block {
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}

.case-block:first-of-type {
  padding-top: 4px;
}

.case-block strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.case-block p {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.95;
}

.case-block p em {
  font-style: normal;
  font-weight: 500;
  background: linear-gradient(transparent 65%, rgba(196, 145, 94, 0.32) 65%);
  padding: 0 2px;
}

.case-foot {
  margin: 32px 0 0;
  padding: 22px 28px;
  border-left: 3px solid var(--primary);
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.95;
}

.case-foot strong {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  color: var(--primary);
}

/* compare */
.compare-section {
  background: var(--paper-deep);
}

.compare-table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.compare-table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
}

.compare-table caption {
  padding: 22px 28px;
  color: var(--muted);
  text-align: left;
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.compare-table th,
.compare-table td {
  padding: 22px 28px;
  border-top: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
  font-size: 14.5px;
  line-height: 1.85;
}

.compare-table thead th {
  color: var(--ink);
  background: var(--accent-soft);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.compare-table tbody th {
  width: 180px;
  color: var(--primary);
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
}

.compare-table td {
  color: var(--ink-soft);
}

/* intro / flow / job / share / fit 共通 */
.intro-grid,
.flow-grid,
.job-grid,
.share-grid,
.fit-grid {
  display: grid;
  gap: 24px;
}

.intro-grid,
.flow-grid,
.job-grid,
.share-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fit-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.flow-step,
.job-card,
.share-card,
.fit-panel,
.faq-list details {
  padding: 36px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.info-card:hover,
.flow-step:hover,
.job-card:hover,
.share-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.info-card p,
.flow-step p,
.job-card p,
.share-card p,
.fit-panel li {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.95;
}

.card-index {
  display: block;
  margin-bottom: 18px;
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.info-card h3,
.flow-step h3,
.job-card h3,
.share-card h3 {
  margin-bottom: 14px;
}

/* split (fit) */
.split-section {
  background: var(--paper);
}

.fit-panel {
  border-left: 3px solid var(--line);
}

.fit-panel.good {
  border-left-color: var(--primary);
}

.fit-panel.careful {
  border-left-color: var(--accent);
}

.fit-panel h3 {
  margin-bottom: 18px;
  color: var(--ink);
}

.fit-panel.good h3 {
  color: var(--primary);
}

.fit-panel.careful h3 {
  color: var(--accent);
}

.fit-panel ul {
  margin: 0;
  padding-left: 22px;
}

.fit-panel li + li {
  margin-top: 10px;
}

/* flow */
.flow-step span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--paper);
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 600;
}

.flow-step strong {
  display: block;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.7;
}

/* process-diagram（trackアニメ削除して静的フローに） */
.process-diagram {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 48px;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-deep);
}

.process-node {
  position: relative;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.process-node + .process-node::before {
  content: "→";
  position: absolute;
  left: -14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 400;
}

.process-node span {
  display: block;
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.process-node strong {
  display: block;
  margin-top: 8px;
  font-family: "Noto Serif JP", serif;
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.5;
}

.process-node p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.85;
}

/* job */
.job-section {
  background: var(--paper-deep);
}

.job-card {
  border-left: 3px solid var(--primary);
}

.job-card h3 {
  margin-bottom: 16px;
  color: var(--primary);
}

.job-card p {
  margin-top: 10px;
}

.job-card p strong {
  display: inline;
  color: var(--ink);
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
}

/* themes（ライトパステル・ダッシュボード） */
.themes-section {
  background:
    radial-gradient(circle at 10% 90%, rgba(170, 211, 240, 0.30) 0%, transparent 50%),
    radial-gradient(circle at 90% 10%, rgba(199, 184, 232, 0.30) 0%, transparent 50%),
    linear-gradient(135deg, #FFF8F2 0%, #FBE5EB 100%);
  color: var(--ink);
  position: relative;
}

.themes-section h2,
.themes-section h3 {
  color: var(--ink);
}

.themes-section .eyebrow {
  color: var(--primary);
}

.themes-section .section-heading p {
  color: var(--ink-soft);
}

.theme-tools {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  align-items: end;
  gap: 24px;
  margin-bottom: 32px;
}

.search-box span {
  display: block;
  margin-bottom: 10px;
  color: var(--primary);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.search-box input {
  width: 100%;
  min-height: 48px;
  padding: 0 18px;
  border: 1.5px solid var(--primary-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(228, 139, 168, 0.16);
}

.search-box input::placeholder {
  color: var(--muted);
}

.domain-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-button {
  min-height: 44px;
  padding: 0 22px;
  border: 1.5px solid var(--primary-soft);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink-soft);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.filter-button:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.filter-button.is-active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-warm) 100%);
  border-color: transparent;
  color: #FFF;
  box-shadow: 0 6px 16px rgba(228, 139, 168, 0.30);
}

.theme-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: 28px;
  align-items: start;
}

.theme-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.theme-button {
  position: relative;
  display: grid;
  gap: 6px;
  min-height: 100px;
  padding: 16px 14px 14px;
  border: 1.5px solid rgba(228, 139, 168, 0.15);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.theme-button::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--domain-color, var(--primary-soft));
  border-radius: 3px 0 0 3px;
}

.theme-button:hover,
.theme-button.is-selected {
  transform: translateY(-3px);
  border-color: var(--primary-soft);
  box-shadow: var(--shadow-sm);
}

.theme-button strong {
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}

.theme-button span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.theme-button small {
  display: inline-flex;
  width: fit-content;
  margin-top: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-family: "Inter", sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.domain-実行力 small,
.domain-実行力 { --domain-color: var(--exec); }
.domain-影響力 small,
.domain-影響力 { --domain-color: var(--influence); }
.domain-人間関係構築力 small,
.domain-人間関係構築力 { --domain-color: var(--relation); }
.domain-戦略的思考力 small,
.domain-戦略的思考力 { --domain-color: var(--thinking); }

.domain-実行力 small { background: var(--exec); color: #fff; }
.domain-影響力 small { background: var(--influence); color: #fff; }
.domain-人間関係構築力 small { background: var(--relation); color: #fff; }
.domain-戦略的思考力 small { background: var(--thinking); color: #fff; }

.theme-detail-shell {
  position: sticky;
  top: 96px;
}

.theme-detail {
  padding: 32px;
  border: 1px solid rgba(251, 248, 243, 0.16);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
}

.detail-kicker {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #fff;
}

.detail-kicker.domain-実行力 { background: var(--exec); }
.detail-kicker.domain-影響力 { background: var(--influence); }
.detail-kicker.domain-人間関係構築力 { background: var(--relation); }
.detail-kicker.domain-戦略的思考力 { background: var(--thinking); }

.theme-detail h3 {
  margin-top: 14px;
  margin-bottom: 6px;
  font-size: 28px;
  color: var(--ink);
}

.detail-catch {
  margin: 0 0 22px;
  color: var(--accent);
  font-family: "Noto Serif JP", serif;
  font-size: 15px;
  font-weight: 500;
}

.detail-block {
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.detail-block h4 {
  margin: 0 0 10px;
  color: var(--primary);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.detail-block p,
.detail-block li {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.95;
}

.detail-block ul {
  margin: 0;
  padding-left: 20px;
}

.empty-state {
  padding: 32px;
  border: 1px dashed rgba(251, 248, 243, 0.24);
  border-radius: var(--radius);
  color: rgba(251, 248, 243, 0.7);
  font-size: 14px;
  line-height: 1.85;
}

/* share */
.share-section {
  background: var(--paper);
}

/* faq */
.faq-section {
  background: var(--paper-deep);
}

.faq-list {
  display: grid;
  gap: 10px;
  max-width: 880px;
}

.faq-list details {
  padding: 22px 28px;
  background: var(--paper);
}

.faq-list summary {
  cursor: pointer;
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  list-style: none;
  position: relative;
  padding-right: 32px;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-family: "Inter", sans-serif;
  font-size: 22px;
  font-weight: 300;
  transition: transform 200ms ease;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.95;
}

/* CTA */
.cta-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: var(--primary);
  color: var(--paper);
}

.cta-section h2,
.cta-section .eyebrow {
  color: var(--paper);
}

.cta-section .eyebrow {
  color: var(--accent);
}

.cta-section p {
  max-width: 640px;
  margin-top: 18px;
  color: rgba(251, 248, 243, 0.78);
  font-size: 15px;
  line-height: 2;
}

.cta-section .primary-action {
  flex: 0 0 auto;
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.cta-section .primary-action:hover {
  background: #B68353;
  border-color: #B68353;
}

/* footer */
.site-footer {
  padding: 40px 80px;
  background: #1F1B16;
  color: rgba(251, 248, 243, 0.6);
  font-size: 12.5px;
  line-height: 1.95;
}

.site-footer p + p {
  margin-top: 12px;
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease;
}

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

/* fade-in アニメ（控えめ） */
.fade-in,
.reveal-ready {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.fade-in.is-visible,
.reveal-ready.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* レスポンシブ */
@media (max-width: 1120px) {
  .topbar,
  .site-footer {
    padding-left: 28px;
    padding-right: 28px;
  }

  .hero-section,
  .foundation-section,
  .why-section,
  .philosophy-section,
  .investment-section,
  .plain-section,
  .compare-section,
  .split-section,
  .job-section,
  .themes-section,
  .share-section,
  .faq-section,
  .cta-section {
    padding-left: 28px;
    padding-right: 28px;
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .foundation-layout,
  .investment-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .philosophy-list {
    grid-template-columns: 1fr;
  }

  .theme-workbench,
  .theme-tools {
    grid-template-columns: 1fr;
  }

  .theme-detail-shell {
    position: static;
  }

  .process-diagram {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .topbar {
    padding: 14px 20px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    gap: 16px;
    padding-bottom: 4px;
  }

  h1 { font-size: 36px; line-height: 1.45; }
  h2 { font-size: 26px; }

  .hero-section,
  .foundation-section,
  .why-section,
  .philosophy-section,
  .investment-section,
  .plain-section,
  .compare-section,
  .split-section,
  .job-section,
  .themes-section,
  .share-section,
  .faq-section,
  .cta-section {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .hero-section {
    min-height: auto;
  }

  .premise-grid,
  .why-grid,
  .investment-grid,
  .intro-grid,
  .flow-grid,
  .job-grid,
  .share-grid,
  .fit-grid,
  .theme-list,
  .process-diagram,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .process-node + .process-node::before {
    content: "↓";
    left: 50%;
    top: -14px;
    transform: translateX(-50%);
  }

  .formula-strip {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .formula-strip b {
    text-align: center;
  }

  .investment-formula {
    grid-template-rows: none;
  }

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

  .site-footer {
    padding: 28px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}