.intro.concept-2026 {
  position: relative;
  isolation: isolate;
  width: 100%;
  min-height: 0;
  aspect-ratio: 1672 / 941;
  overflow: hidden;
  padding: 0;
  color: #10183d;
  background: #f7f8ff url('../img/concept-soft-background.png') center / cover no-repeat;
}

.concept-2026-inner {
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0 auto;
}

.concept-2026-heading {
  position: relative;
  z-index: 2;
  width: min(100%, 1300px);
  margin: 0 auto;
  padding-top: clamp(18px, 1.45vw, 30px);
  text-align: center;
}

.intro.concept-2026 .concept-2026-kicker {
  display: inline-block;
  margin: 0;
  padding: 6px 28px;
  border-radius: 999px;
  background: linear-gradient(90deg, #e3edff, #e8ddff);
  color: #2053c6;
  font-size: clamp(10px, .9vw, 14px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: .29em;
}

.intro.concept-2026 .concept-2026-overline {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 19px;
  margin: clamp(12px, 1.45vw, 24px) 0 6px;
  color: #22345c;
  font-size: clamp(13px, 1.25vw, 20px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: .06em;
}

.concept-2026-overline::before,
.concept-2026-overline::after {
  content: '';
  width: clamp(20px, 2.5vw, 42px);
  height: 1px;
  background: #9d82d8;
}

.concept-2026-word {
  position: absolute;
  z-index: 0;
  top: clamp(48px, 4.3vw, 74px);
  left: 50%;
  color: rgba(133, 66, 177, .075);
  font-family: Georgia, serif;
  font-size: clamp(90px, 13.3vw, 223px);
  line-height: 1;
  letter-spacing: -.08em;
  white-space: nowrap;
  transform: translateX(-50%);
  pointer-events: none;
}

.intro.concept-2026 h2 {
  position: relative;
  z-index: 1;
  margin: 10px 0 7px;
  color: #0b1234;
  font-size: clamp(30px, 3.35vw, 56px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.055em;
}

.intro.concept-2026 h2 span {
  color: #345bea;
  background: linear-gradient(95deg, #2765e5 5%, #5c3cde 58%, #a921cf 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.concept-2026-mobile-break { display: none; }

.intro.concept-2026 .concept-2026-lead {
  position: relative;
  z-index: 1;
  margin: 8px auto 0;
  color: #233153;
  font-size: clamp(12px, 1.1vw, 17px);
  font-weight: 700;
  line-height: 1.65;
  letter-spacing: .025em;
}

.concept-2026-diagram {
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
}

.concept-2026-diagram img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
}

@media (min-width: 1101px) {
  .concept-2026-diagram img { transform: scale(.9); transform-origin: center center; }
}

.concept-2026-mobile-flow { display: none; }
.concept-2026-mobile-note { display: none; }

.concept-2026-footer {
  position: absolute;
  z-index: 2;
  right: 4.3%;
  bottom: 3.4%;
  left: 4.3%;
  display: flex;
  justify-content: space-between;
  align-items: end;
  color: #66739d;
  font-size: clamp(8px, .65vw, 11px);
  font-weight: 700;
  line-height: 1.8;
  letter-spacing: .25em;
}

@media (max-width: 1100px) {
  .intro.concept-2026 {
    min-height: 0;
    aspect-ratio: auto;
    padding: 54px 24px 36px;
    background-position: center;
  }
  .concept-2026-inner { max-width: 720px; }
  .concept-2026-heading { padding-top: 0; }
  .concept-2026-word { top: 55px; font-size: clamp(70px, 14vw, 140px); }
  .intro.concept-2026 h2 { margin-top: 19px; font-size: clamp(28px, 4.4vw, 44px); }
  .intro.concept-2026 .concept-2026-lead { max-width: 650px; font-size: 14px; }
  .intro.concept-2026 .concept-2026-lead br { display: none; }
  .concept-2026-mobile-note { display: block; background-image: url('../img/concept-handwriting-transparent.png'); background-repeat: no-repeat; pointer-events: none; }
  .concept-2026-mobile-note-flow { position: absolute; z-index: 3; top: 0; right: -72px; width: 146px; height: 82px; background-size: 224.4px 280.4px; background-position: -48px -8px; }
  .concept-2026-diagram { display: none; }
  .concept-2026-mobile-flow { display: grid; gap: 10px; margin: 32px auto 0; }
  .concept-2026-mobile-card {
    padding: 22px 25px;
    border: 1px solid rgba(136, 147, 215, .25);
    border-radius: 22px;
    background: rgba(255, 255, 255, .88);
    box-shadow: 0 12px 28px rgba(45, 52, 117, .09);
  }
  .concept-2026-mobile-card h3 {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin: 0 0 9px;
    color: #264abb;
    font-size: 22px;
    line-height: 1.3;
    letter-spacing: .1em;
  }
  .concept-2026-mobile-card h3 small { color: #43547d; font-size: 12px; letter-spacing: 0; }
  .intro.concept-2026 .concept-2026-mobile-card p { margin: 0; color: #253455; font-size: 14px; font-weight: 600; line-height: 1.8; }
  .concept-2026-mobile-before { position: relative; background: rgba(244, 246, 255, .94); }
  .concept-2026-before-list { display: grid; width: calc(100% - 120px); grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: repeat(4, auto); grid-auto-flow: column; gap: 8px; margin: 12px 0 0; padding: 0; list-style: none; }
  .concept-2026-before-list li { display: flex; align-items: center; min-width: 0; gap: 9px; padding: 8px 10px; border: 1px solid rgba(124, 149, 219, .1); border-radius: 11px; background: #fff; box-shadow: 0 3px 9px rgba(85, 99, 172, .04); color: #172851; font-size: 12px; font-weight: 750; line-height: 1.35; }
  .concept-2026-before-list svg { width: 29px; height: 29px; flex: 0 0 29px; }
  .concept-2026-mobile-note-before { position: absolute; top: 72px; right: 12px; width: 112px; height: 116px; background-size: 246.8px 308.4px; background-position: -73px -109px; }
  .concept-2026-mobile-center { position: relative; background: linear-gradient(145deg, rgba(255,255,255,.95), rgba(237,234,255,.94)); border-color: rgba(121,83,230,.32); text-align: center; }
  .concept-2026-mobile-center h3 { justify-content: center; margin-bottom: 1px; color: #151e58; font-size: 29px; letter-spacing: -.04em; }
  .intro.concept-2026 .concept-2026-mini-caption { color: #4f5e88; font-size: 12px; letter-spacing: .04em; }
  .concept-2026-mini-map { max-width: 520px; margin: 13px auto 0; }
  .concept-2026-mini-node { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; min-width: 0; min-height: 75px; padding: 8px 3px; border: 1px solid rgba(93, 127, 221, .17); border-radius: 13px; background: #fff; box-shadow: 0 8px 16px rgba(64, 76, 169, .10); color: #172851; font-size: 12px; font-weight: 800; white-space: nowrap; }
  .concept-2026-mini-node svg { width: 34px; height: 34px; }
  .concept-2026-mini-root { width: 44%; min-height: 61px; margin: 0 auto; flex-direction: row; gap: 8px; font-size: 14px; }
  .concept-2026-mini-root svg { width: 31px; height: 31px; }
  .concept-2026-mini-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .concept-2026-mini-lines { display: block; width: 100%; height: 28px; overflow: visible; fill: none; stroke: #7684f2; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  .concept-2026-mobile-note-center { position: absolute; top: 57%; right: -88px; width: 126px; height: 88px; background-size: 255px 318px; background-position: -70px -225px; }
  .concept-2026-mobile-cta { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; margin: 12px 0 0; padding: 10px 16px; border-radius: 999px; background: linear-gradient(100deg, #a86af0, #336ef0); box-shadow: 0 9px 20px rgba(86, 83, 215, .2); color: #fff; font-size: 13px; font-weight: 800; line-height: 1.35; text-align: center; text-decoration: none; }
  .concept-2026-mobile-cta:hover, .concept-2026-mobile-cta:focus-visible { filter: brightness(1.08); }
  .concept-2026-mobile-cta span { font-size: 19px; line-height: 1; }
  .concept-2026-mobile-after { background: rgba(255, 249, 253, .92); }
  .concept-2026-mobile-after h3 { color: #8a2ec3; }
  .concept-2026-mobile-after ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
  .concept-2026-mobile-after li { display: flex; align-items: center; gap: 10px; padding: 8px 11px; border-radius: 12px; background: #fff; color: #253455; text-align: left; }
  .concept-2026-after-icon { display: grid; place-items: center; width: 43px; height: 43px; flex: 0 0 43px; border-radius: 50%; background: #e8efff; }
  .concept-2026-after-icon svg { width: 29px; height: 29px; }
  .concept-2026-after-icon-check { background: #dcfaf4; }
  .concept-2026-after-icon-bolt, .concept-2026-after-icon-team { background: #efe9ff; }
  .concept-2026-mobile-after li strong { display: block; font-size: 13px; font-weight: 800; line-height: 1.4; }
  .concept-2026-mobile-after li small { display: block; margin-top: 2px; color: #53638e; font-size: 11px; font-weight: 600; line-height: 1.35; }
  .concept-2026-mobile-arrow { color: #6658e9; font-size: 28px; font-weight: 900; line-height: 1; text-align: center; }
  .concept-2026-footer { position: static; margin-top: 28px; font-size: 9px; }
}

@media (max-width: 600px) {
  .intro.concept-2026 { padding: 42px 18px 30px; }
  .intro.concept-2026 .concept-2026-kicker { padding: 6px 17px; font-size: 9px; }
  .intro.concept-2026 .concept-2026-overline { gap: 9px; font-size: 12px; }
  .intro.concept-2026 h2 { font-size: clamp(25px, 7vw, 34px); line-height: 1.45; }
  .intro.concept-2026 h2 span { display: block; }
  .concept-2026-mobile-break { display: inline; }
  .intro.concept-2026 .concept-2026-lead { font-size: 12px; line-height: 1.8; }
  .concept-2026-mobile-note-flow { position: static; width: 111px; height: 63px; margin: 7px 0 1px auto; background-size: 168.3px 210.3px; background-position: -36px -6px; }
  .concept-2026-mobile-flow { margin-top: 24px; }
  .concept-2026-mobile-card { padding: 18px; border-radius: 16px; }
  .concept-2026-before-list { width: 100%; grid-template-columns: minmax(0, 1fr); grid-template-rows: none; grid-auto-flow: row; gap: 6px; }
  .concept-2026-before-list li { min-height: 39px; padding: 5px 10px; font-size: 12px; }
  .concept-2026-before-list svg { width: 28px; height: 28px; flex-basis: 28px; }
  .concept-2026-mobile-note-before { position: static; width: 89px; height: 91px; margin: 4px 0 -3px auto; background-size: 197.6px 246.7px; background-position: -58px -87px; }
  .concept-2026-mini-node { min-height: 68px; font-size: 11px; }
  .concept-2026-mini-node svg { width: 30px; height: 30px; }
  .concept-2026-mini-root { min-height: 55px; font-size: 13px; }
  .concept-2026-mobile-note-center { position: static; width: 98px; height: 70px; margin: 6px 0 0 auto; background-size: 204px 254.4px; background-position: -56px -180px; }
  .concept-2026-mobile-cta { min-height: 45px; padding-inline: 10px; font-size: 11px; }
  .concept-2026-after-icon { width: 36px; height: 36px; flex-basis: 36px; }
  .concept-2026-after-icon svg { width: 25px; height: 25px; }
  .concept-2026-mobile-after li strong { font-size: 11px; }
  .concept-2026-mobile-after li small { font-size: 10px; }
  .concept-2026-footer span:last-child { display: none; }
}