:root{
  --primary:#A84B55;
  --dark:#71333A;
  --light:#F4E6E8;
  --accent:#D68A8F;
  --bg:#FCF8F8;
  --text:#292624;
  --nudge-brand:#3d6a85;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Hiragino Kaku Gothic ProN","Yu Gothic Medium","Yu Gothic","Meiryo",sans-serif;
  color:var(--text);
  background:#ffffff;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  word-break:break-word;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;}
h1,h2,h3{margin:0;font-weight:800;line-height:1.5;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;}

/* ===== Header (common) ===== */
.toi-header{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 16px;
  padding:14px 20px;
  background:#ffffff;
  border-bottom:1px solid #ececec;
  position:relative;
  z-index:20;
}
.toi-header-logo{
  font-size:1.15rem;
  font-weight:800;
  letter-spacing:.02em;
  order:1;
}
.toi-brand{color:#2a2a2a;}
.nudge-brand{color:var(--nudge-brand);}
.toi-header-breadcrumb{
  order:3;
  flex:1 1 100%;
  text-align:center;
  font-size:.82rem;
  color:#555;
}
.toi-header-breadcrumb a{text-decoration:none;}
.toi-header-breadcrumb a:hover{text-decoration:underline;}
.toi-header-breadcrumb .crumb-sep{margin:0 .5em;color:#999;}
.toi-header-contact{order:2;margin-left:auto;}
.toi-header-contact a{
  display:inline-block;
  background:var(--primary);
  color:#fff !important;
  font-weight:700;
  font-size:.82rem;
  padding:9px 18px;
  border-radius:999px;
  text-decoration:none;
  white-space:nowrap;
}
@media(min-width:769px){
  .toi-header{flex-wrap:nowrap;}
  .toi-header-breadcrumb{order:2;flex:1 1 auto;font-size:.9rem;}
  .toi-header-contact{order:3;margin-left:0;}
}

/* ===== Footer (common) ===== */
.toi-footer{
  background:var(--dark);
  color:#fff;
  padding:32px 20px;
}
.toi-footer-inner{
  max-width:1100px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:14px;
  align-items:center;
  text-align:center;
}
.toi-footer-copy{font-size:.82rem;opacity:.85;}
.toi-footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;font-size:.85rem;}
.toi-footer-links a{text-decoration:none;opacity:.92;}
.toi-footer-links a:hover{opacity:1;text-decoration:underline;}
@media(min-width:769px){
  .toi-footer-inner{flex-direction:row;justify-content:space-between;text-align:left;}
}

/* ===== Layout helpers ===== */
.lp-section{padding:60px 22px;}
.lp-section .inner{max-width:1040px;margin:0 auto;}
.lp-section.bg-alt{background:var(--bg);}
.section-label{
  display:inline-block;
  color:var(--primary);
  font-size:.8rem;
  font-weight:800;
  letter-spacing:.06em;
  margin-bottom:10px;
}
.section-eyebrow{
  color:#8a5a5f;
  font-size:.92rem;
  font-weight:700;
  margin-bottom:8px;
}
h2.section-heading{
  font-size:1.5rem;
  color:var(--dark);
  margin-bottom:28px;
}
@media(min-width:769px){
  h2.section-heading{font-size:1.85rem;}
}
.lead-text{font-size:1rem;line-height:1.9;margin-bottom:20px;}
.core-message{
  margin-top:32px;
  background:var(--light);
  border-left:5px solid var(--primary);
  border-radius:10px;
  padding:22px 26px;
  font-weight:700;
  color:var(--dark);
  font-size:1.02rem;
  line-height:1.9;
}

/* ===== FV ===== */
.fv{
  background:linear-gradient(180deg,var(--bg) 0%,#ffffff 100%);
  padding:52px 22px 60px;
  text-align:center;
}
.fv-eyebrow{
  color:#8a5a5f;
  font-size:.9rem;
  font-weight:700;
  margin-bottom:6px;
}
.fv-theme{
  color:var(--primary);
  font-size:1.05rem;
  font-weight:800;
  margin-bottom:22px;
}
.fv-title{
  font-size:2.3rem;
  font-weight:800;
  color:var(--dark);
  line-height:1.45;
  margin:0 0 22px;
  max-width:820px;
  margin-left:auto;
  margin-right:auto;
}
@media(min-width:769px){
  .fv-title{font-size:3.15rem;}
}
.fv-sub{
  font-size:1.02rem;
  line-height:2;
  max-width:640px;
  margin:0 auto 18px;
}
.fv-note{
  font-size:.95rem;
  font-weight:700;
  color:var(--primary);
  max-width:600px;
  margin:0 auto 30px;
  line-height:1.8;
}
.fv-trust{
  font-size:.82rem;
  color:#666;
  line-height:1.9;
  margin-bottom:34px;
}
.fv-visual-wrap{max-width:1080px;margin:0 auto;}
.fv-visual{
  width:100%;
  height:auto;
  border-radius:14px;
  box-shadow:0 10px 32px rgba(113,51,58,.16);
}

/* ===== flow-vertical ===== */
.flow-vertical{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:2px;
  margin:30px 0;
}
.flow-vertical .flow-node{
  background:var(--light);
  color:var(--dark);
  padding:13px 22px;
  border-radius:10px;
  font-weight:700;
  text-align:center;
  max-width:520px;
  width:100%;
}
.flow-arrow-down{
  color:var(--primary);
  font-size:1.3rem;
  line-height:1.2;
  margin:2px 0;
}

/* ===== sec-visual (差替え画像) ===== */
.sec-visual{
  display:block;
  width:100%;
  height:auto;
  margin:30px 0;
  border-radius:10px;
}

/* ===== compare-grid ===== */
.compare-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  margin:30px 0;
}
@media(min-width:769px){
  .compare-grid{grid-template-columns:1fr 1fr;}
}
.compare-col{
  background:#fff;
  border:1px solid #ececec;
  border-radius:14px;
  padding:24px;
  display:flex;
  flex-direction:column;
}
.compare-col h3{
  font-size:1.02rem;
  color:#888;
  margin-bottom:14px;
}
.compare-col.is-highlight{
  background:var(--light);
  border-color:var(--primary);
}
.compare-col.is-highlight h3{color:var(--primary);}
.compare-col .flow-vertical{margin:0;flex:1;justify-content:center;}
.compare-col .flow-vertical .flow-node{background:#fff;border:1px solid #eee;color:#888;}
.compare-col.is-highlight .flow-vertical .flow-node{background:#ffffff;border:1px solid rgba(168,75,85,.25);color:var(--dark);}
.compare-col .qa-grid{flex:1;align-content:center;margin:0;}

/* ===== qa-grid ===== */
.qa-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  margin:30px 0;
}
@media(min-width:600px){
  .qa-grid{grid-template-columns:1fr 1fr;}
}
@media(min-width:1024px){
  .qa-grid.is-wide{grid-template-columns:repeat(3,1fr);}
}
.qa-card{
  background:#fff;
  border:1px solid #ececec;
  border-radius:12px;
  padding:16px 18px;
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.qa-badge{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:999px;
  background:var(--primary);
  color:#fff;
  font-weight:800;
  font-size:.78rem;
  display:flex;
  align-items:center;
  justify-content:center;
}
.qa-text{font-weight:700;color:var(--text);font-size:.96rem;line-height:1.7;}

/* ===== chip-row ===== */
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:26px 0;
}
.chip{
  background:var(--light);
  color:var(--dark);
  padding:9px 18px;
  border-radius:999px;
  font-size:.9rem;
  font-weight:700;
}
.chip.is-outline{
  background:#fff;
  border:1px solid var(--accent);
  color:var(--dark);
}

/* ===== pair-list ===== */
.pair-list{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin:30px 0;
}
.pair-item{
  background:#fff;
  border:1px solid #ececec;
  border-radius:12px;
  padding:18px 22px;
}
.pair-label{
  display:inline-block;
  background:var(--primary);
  color:#fff;
  font-size:.75rem;
  font-weight:800;
  padding:4px 12px;
  border-radius:999px;
  margin-bottom:10px;
}
.pair-text{color:var(--text);line-height:1.8;font-weight:600;}

/* ===== issue-list / check-list ===== */
.issue-list,.check-list{
  list-style:none;
  margin:26px 0;
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
}
@media(min-width:600px){
  .issue-list,.check-list{grid-template-columns:1fr 1fr;}
}
.issue-list li,.check-list li{
  background:#fff;
  border:1px solid #ececec;
  border-radius:10px;
  padding:13px 16px;
  font-size:.94rem;
  line-height:1.7;
}
.check-list li{padding-left:38px;position:relative;}
.check-list li::before{
  content:"\2713";
  position:absolute;
  left:14px;top:13px;
  color:var(--primary);
  font-weight:800;
}

/* ===== info-grid ===== */
.info-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  margin:30px 0;
}
@media(min-width:600px){
  .info-grid{grid-template-columns:1fr 1fr;}
}
@media(min-width:1024px){
  .info-grid{grid-template-columns:repeat(3,1fr);}
}
.info-card{
  background:#fff;
  border:1px solid #ececec;
  border-radius:14px;
  padding:22px;
}
.info-card h3{
  color:var(--primary);
  font-size:1.02rem;
  margin-bottom:12px;
}
.info-card ul{padding-left:1.15em;color:var(--text);font-size:.9rem;line-height:1.9;}
.info-card li{margin-bottom:2px;}

/* ===== role-grid ===== */
.role-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  margin:30px 0;
}
@media(min-width:769px){
  .role-grid{grid-template-columns:repeat(3,1fr);}
}
.role-card{
  background:var(--light);
  border-radius:14px;
  padding:24px;
}
.role-card h3{color:var(--dark);font-size:1.02rem;margin-bottom:14px;}
.role-card ul{padding-left:1.15em;line-height:1.9;color:var(--text);font-size:.92rem;}

/* ===== stat-grid ===== */
.stat-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  margin:24px 0;
}
@media(min-width:600px){
  .stat-grid{grid-template-columns:repeat(3,1fr);}
}
.stat-card{
  background:var(--dark);
  color:#fff;
  border-radius:14px;
  padding:24px 18px;
  text-align:center;
}
.stat-num{display:block;font-size:1.4rem;font-weight:800;margin-bottom:6px;}
.stat-label{font-size:.82rem;opacity:.92;}
.disclaimer-note{
  font-size:.82rem;
  color:#777;
  margin-top:16px;
  line-height:1.8;
  border-top:1px dashed #ddd;
  padding-top:14px;
}

/* ===== stack-list (SECTION1 逆向き積層) ===== */
.stack-list{margin:30px 0;display:flex;flex-direction:column;gap:8px;}
.stack-list .stack-item{
  background:#fff;
  border:1px solid #ececec;
  border-left:4px solid var(--accent);
  border-radius:8px;
  padding:12px 18px;
  font-size:.94rem;
}
.stack-list .stack-item:nth-child(2){margin-left:10px;}
.stack-list .stack-item:nth-child(3){margin-left:20px;}
.stack-list .stack-item:nth-child(4){margin-left:30px;}
.stack-list .stack-item:nth-child(5){margin-left:40px;}
.stack-list .stack-item:nth-child(6){margin-left:50px;background:var(--light);}
.stack-list .stack-item:nth-child(7){margin-left:60px;background:var(--light);border-left-color:var(--primary);font-weight:700;}
@media(max-width:480px){
  .stack-list .stack-item:nth-child(2){margin-left:4px;}
  .stack-list .stack-item:nth-child(3){margin-left:8px;}
  .stack-list .stack-item:nth-child(4){margin-left:12px;}
  .stack-list .stack-item:nth-child(5){margin-left:16px;}
  .stack-list .stack-item:nth-child(6){margin-left:20px;}
  .stack-list .stack-item:nth-child(7){margin-left:24px;}
}
.stack-turn{
  text-align:center;
  color:#888;
  font-size:.92rem;
  margin:18px 0;
  line-height:1.9;
}

/* ===== center-question ===== */
.center-question{
  background:var(--dark);
  color:#fff;
  border-radius:14px;
  padding:22px 26px;
  text-align:center;
  font-weight:800;
  font-size:1.08rem;
  max-width:560px;
  margin:0 auto 28px;
  line-height:1.7;
}

/* ===== expand-flow (SECTION10) ===== */
.expand-flow{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  margin:28px 0;
  text-align:center;
}
.expand-flow .ef-from{
  color:#888;
  font-weight:700;
  padding:10px 18px;
  border:1px dashed #ccc;
  border-radius:999px;
  font-size:.92rem;
}
.expand-flow .ef-arrow{color:var(--primary);font-size:1.3rem;}
.expand-flow .ef-to{
  background:var(--primary);
  color:#fff;
  font-weight:800;
  padding:14px 26px;
  border-radius:999px;
  font-size:1.02rem;
  max-width:480px;
}

/* ===== mothership banner ===== */
.mothership-banner{background:var(--dark);color:#fff;padding:56px 22px;text-align:center;}
.mothership-badge{
  display:inline-block;
  background:rgba(255,255,255,.15);
  padding:7px 18px;
  border-radius:999px;
  font-size:.8rem;
  line-height:1.7;
  margin-bottom:20px;
}
.mothership-banner h2{font-size:1.35rem;line-height:1.7;margin-bottom:16px;}
@media(min-width:769px){.mothership-banner h2{font-size:1.6rem;}}
.mothership-banner p{opacity:.92;line-height:1.9;max-width:660px;margin:0 auto 28px;font-size:.94rem;}
.mothership-cta{
  display:inline-block;
  background:#fff;
  color:var(--dark);
  font-weight:800;
  padding:15px 34px;
  border-radius:999px;
  text-decoration:none;
  font-size:.96rem;
}

/* ===== final CTA ===== */
.final-cta{background:var(--light);padding:60px 22px;text-align:center;}
.final-cta h2{
  font-size:1.35rem;
  color:var(--dark);
  margin:0 auto 30px;
  max-width:720px;
  line-height:1.8;
}
@media(min-width:769px){.final-cta h2{font-size:1.6rem;}}
.final-cta-buttons{
  display:flex;
  flex-direction:column;
  gap:14px;
  align-items:center;
  margin-bottom:28px;
}
@media(min-width:640px){
  .final-cta-buttons{flex-direction:row;justify-content:center;flex-wrap:wrap;}
}
.final-cta-buttons a{
  display:inline-block;
  background:var(--primary);
  color:#fff;
  font-weight:800;
  padding:16px 28px;
  border-radius:999px;
  text-decoration:none;
  font-size:.94rem;
}
.final-cta-buttons a.secondary{
  background:#fff;
  color:var(--primary);
  border:2px solid var(--primary);
  padding:14px 26px;
}
.final-cta .note{
  max-width:620px;
  margin:0 auto;
  color:#555;
  font-size:.88rem;
  line-height:2;
}

/* ===== theme nav ===== */
.jitsu-theme-nav{background:var(--bg);padding:56px 22px;}
.jitsu-theme-nav-inner{max-width:1080px;margin:0 auto;text-align:center;}
.jitsu-theme-nav h2{font-size:1.3rem;color:var(--dark);margin-bottom:10px;}
.jitsu-theme-nav .lead{color:#555;font-size:.88rem;line-height:1.9;margin-bottom:30px;}
.jitsu-theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;}
@media(max-width:880px){.jitsu-theme-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:600px){.jitsu-theme-grid{grid-template-columns:repeat(2,1fr);}}
.theme-link{
  display:block;
  background:#fff;
  border:1px solid #e6e6e6;
  border-radius:8px;
  padding:13px 8px;
  font-size:.84rem;
  color:var(--text);
  text-decoration:none;
  transition:border-color .15s,color .15s,background .15s;
}
.theme-link:hover{border-color:var(--primary);color:var(--primary);}
.theme-link.is-current{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
  font-weight:800;
  cursor:default;
}