/* ==========================================================
   01MNT Website CSS
   Header fixed top bar / responsive navigation
   Brand colors based on MNT logo
========================================================== */

:root {
  --mnt-navy: #1C2C59;
  --mnt-blue: #005D8C;
  --mnt-bright-blue: #0067BC;
  --mnt-coral: #F8845C;
  --mnt-gray: #4C4948;

  --white: #ffffff;
  --black: #111827;
  --muted: #667085;
  --line: rgba(28, 44, 89, 0.10);
  --soft-bg: #f7f9fc;

  --header-height: 90px;
}

/* ==========================================================
   Base
========================================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  padding-top: var(--header-height);
  color: var(--mnt-navy);
  background: var(--white);
  font-family: Inter, "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

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

img,
svg,
canvas {
  max-width: 100%;
}

button,
input,
textarea {
  font: inherit;
}

/* ==========================================================
   Fixed Full-width Top Bar
========================================================== */

.site-header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;

  width: 100% !important;
  height: var(--header-height) !important;

  z-index: 9999 !important;

  display: grid !important;
  grid-template-columns: 220px 1fr 220px !important;
  align-items: center !important;
  gap: 24px !important;

  padding: 0 48px !important;
  margin: 0 !important;

  background: rgba(255, 255, 255, 0.96) !important;
  border-bottom: 1px solid rgba(28, 44, 89, 0.10) !important;
  border-radius: 0 !important;

  box-shadow: 0 8px 30px rgba(28, 44, 89, 0.06) !important;

  transform: none !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
}

/* ----------------------------------------------------------
   Header Logo
---------------------------------------------------------- */

.brand {
  display: inline-flex !important;
  align-items: center !important;
  justify-self: start !important;
  line-height: 0 !important;
  text-decoration: none !important;
}

.brand img {
  display: block !important;
  width: 180px !important;
  height: auto !important;
}

/* ----------------------------------------------------------
   Header Navigation
---------------------------------------------------------- */

.nav {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  justify-self: center !important;

  gap: 36px !important;

  margin: 0 !important;
  padding: 0 !important;
}

.nav a {
  color: var(--mnt-navy) !important;
  text-decoration: none !important;

  font-size: 13px !important;
  font-weight: 800 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;

  transition: color 0.2s ease, opacity 0.2s ease !important;
}

.nav a:hover {
  color: var(--mnt-bright-blue) !important;
}

/* ----------------------------------------------------------
   CTA Button
---------------------------------------------------------- */

.nav-cta {
  justify-self: end !important;

  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;

  min-height: 42px !important;
  padding: 0 20px !important;

  border-radius: 999px !important;

  color: #ffffff !important;
  background: var(--mnt-navy) !important;

  text-decoration: none !important;

  font-size: 13px !important;
  font-weight: 800 !important;
  letter-spacing: 0.03em !important;
  white-space: nowrap !important;

  box-shadow: 0 12px 26px rgba(28, 44, 89, 0.18) !important;

  transition: transform 0.2s ease, background 0.2s ease !important;
}

.nav-cta:hover {
  transform: translateY(-1px) !important;
  background: var(--mnt-blue) !important;
}

.nav-cta-mobile {
  display: none !important;
}

/* ----------------------------------------------------------
   Mobile Menu Button
---------------------------------------------------------- */

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;

  margin-left: auto;
  padding: 0;

  border: 1px solid rgba(28, 44, 89, 0.14);
  border-radius: 999px;

  background: #ffffff;
  cursor: pointer;

  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;

  box-shadow: 0 8px 20px rgba(28, 44, 89, 0.08);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;

  border-radius: 999px;

  background: var(--mnt-navy);

  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================
   Layout Helpers
========================================================== */

.section-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 110px 0;
}

.center {
  text-align: center;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}

.align-start {
  align-items: start;
}

.section-label {
  margin-bottom: 24px;

  color: var(--mnt-bright-blue);

  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h2 {
  color: var(--mnt-navy);
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

h3 {
  color: var(--mnt-navy);
}

p {
  color: var(--mnt-gray);
}

/* ==========================================================
   Hero
========================================================== */

.hero.section-shell {
  position: relative;

  min-height: calc(100svh - var(--header-height));

  display: flex;
  align-items: center;

  padding-top: 0 !important;
  padding-bottom: 90px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;

  overflow: hidden;
}

.hero-bg canvas {
  width: 100%;
  height: 100%;
}

.hero-content {
  max-width: 780px;
  padding: 0 !important;
  margin-top: 0 !important;
}

.hero-logo-large {
  display: block !important;
  width: min(520px, 78vw) !important;
  height: auto !important;
  margin: 0 0 28px 0 !important;
}

.lead {
  margin-bottom: 24px;

  color: var(--mnt-navy);

  font-size: clamp(34px, 5vw, 70px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.lead em {
  color: var(--mnt-blue);
  font-style: normal;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 36px;

  font-size: clamp(16px, 1.7vw, 20px);
}

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

/* ==========================================================
   Buttons
========================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 50px;
  padding: 0 22px;

  border-radius: 999px;

  font-weight: 800;
  text-decoration: none;

  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  color: #ffffff;
  background: var(--mnt-navy);
}

.btn.primary:hover {
  background: var(--mnt-blue);
}

.btn.ghost {
  color: var(--mnt-navy);
  border: 1px solid rgba(28, 44, 89, 0.18);
  background: rgba(255, 255, 255, 0.72);
}

/* ==========================================================
   State Machine
========================================================== */

.state-machine {
  display: grid;
  grid-template-columns: 1fr 320px 1fr;
  gap: 32px;
  align-items: center;

  margin-top: 56px;
}

.state-column,
.engine-core {
  padding: 28px;

  border: 1px solid rgba(28, 44, 89, 0.10);
  border-radius: 28px;

  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 20px 50px rgba(28, 44, 89, 0.06);
}

.state-column button {
  display: block;
  width: 100%;

  margin-top: 12px;
  padding: 13px 16px;

  border: 1px solid rgba(28, 44, 89, 0.12);
  border-radius: 16px;

  color: var(--mnt-navy);
  background: #ffffff;

  cursor: pointer;
  text-align: left;
  font-weight: 700;

  transition: border-color 0.2s ease, transform 0.2s ease;
}

.state-column button:hover {
  transform: translateY(-1px);
  border-color: var(--mnt-bright-blue);
}

.engine-core {
  position: relative;
  text-align: center;
}

.engine-core .ring {
  position: absolute;
  inset: 18px;

  border: 1px solid rgba(0, 103, 188, 0.22);
  border-radius: 999px;

  animation: rotateRing 10s linear infinite;
}

@keyframes rotateRing {
  to {
    transform: rotate(360deg);
  }
}

.response-card {
  min-height: 92px;
  padding: 18px;

  border-radius: 18px;

  color: var(--mnt-navy);
  background: var(--soft-bg);

  font-weight: 800;
}

.state-column ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;

  padding: 0;
  margin: 18px 0 0;

  list-style: none;
}

.state-column li {
  padding: 6px 10px;

  border-radius: 999px;

  color: var(--mnt-blue);
  background: rgba(0, 103, 188, 0.08);

  font-size: 12px;
  font-weight: 800;
}

/* ==========================================================
   System Triangle
========================================================== */

.triangle {
  position: relative;

  max-width: 900px;
  height: 430px;

  margin: 64px auto 0;
}

.triangle svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;

  fill: none;
  stroke: rgba(0, 93, 140, 0.35);
  stroke-width: 2;
}

.tri-node {
  position: absolute;
  z-index: 2;

  width: 220px;
  padding: 18px;

  border: 1px solid rgba(28, 44, 89, 0.12);
  border-radius: 22px;

  background: #ffffff;
  box-shadow: 0 18px 40px rgba(28, 44, 89, 0.08);

  text-align: center;
}

.tri-node strong {
  display: block;

  color: var(--mnt-navy);

  font-size: 18px;
}

.tri-node span {
  display: block;
  margin-top: 6px;

  color: var(--mnt-gray);

  font-size: 13px;
}

.node-top {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.node-left {
  left: 0;
  bottom: 20px;
}

.node-right {
  right: 0;
  bottom: 20px;
}

/* ==========================================================
   Orbit
========================================================== */

.orbit {
  position: relative;

  width: min(640px, 90vw);
  height: min(640px, 90vw);

  margin: 64px auto 0;

  border: 1px solid rgba(28, 44, 89, 0.10);
  border-radius: 999px;
}

.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;

  width: 190px;
  height: 190px;

  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;

  transform: translate(-50%, -50%);

  border-radius: 999px;

  color: #ffffff;
  background: var(--mnt-navy);

  text-align: center;
  font-weight: 800;
}

.orbit-core span {
  margin-top: 4px;
  font-size: 12px;
  opacity: 0.84;
}

.orbit > span {
  position: absolute;
  top: 50%;
  left: 50%;

  padding: 9px 13px;

  border-radius: 999px;

  color: var(--mnt-navy);
  background: #ffffff;
  box-shadow: 0 14px 34px rgba(28, 44, 89, 0.10);

  font-size: 13px;
  font-weight: 800;

  transform:
    rotate(calc(var(--i) * 45deg))
    translateX(260px)
    rotate(calc(var(--i) * -45deg));
}

/* ==========================================================
   Experience / Room
========================================================== */

.experience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}

.room {
  position: relative;

  min-height: 360px;

  overflow: hidden;

  border-radius: 34px;

  background:
    linear-gradient(135deg, rgba(0, 103, 188, 0.08), rgba(248, 132, 92, 0.08)),
    #ffffff;

  border: 1px solid rgba(28, 44, 89, 0.10);
  box-shadow: 0 24px 60px rgba(28, 44, 89, 0.08);
}

.sun {
  position: absolute;
  top: 36px;
  right: 42px;

  width: 72px;
  height: 72px;

  border-radius: 999px;

  background: rgba(248, 132, 92, 0.72);

  filter: blur(1px);
}

.desk,
.person {
  position: absolute;

  border-radius: 999px;

  background: var(--mnt-blue);
}

.desk {
  width: 110px;
  height: 42px;

  border-radius: 18px;

  opacity: 0.35;
}

.d1 {
  left: 70px;
  bottom: 92px;
}

.d2 {
  left: 210px;
  bottom: 142px;
}

.d3 {
  left: 300px;
  bottom: 78px;
}

.person {
  width: 18px;
  height: 18px;

  animation: pulsePerson 2.2s ease-in-out infinite;
}

.p1 {
  left: 98px;
  bottom: 150px;
}

.p2 {
  left: 245px;
  bottom: 205px;
}

.p3 {
  left: 344px;
  bottom: 138px;
}

@keyframes pulsePerson {
  50% {
    transform: scale(1.3);
    background: var(--mnt-coral);
  }
}

.light-beam {
  position: absolute;
  left: 0;
  top: 0;

  width: 70%;
  height: 100%;

  background: linear-gradient(90deg, rgba(0, 103, 188, 0.10), transparent);

  animation: beamMove 4s ease-in-out infinite;
}

@keyframes beamMove {
  50% {
    transform: translateX(50px);
  }
}

.air-flow {
  position: absolute;
  right: 40px;
  bottom: 60px;

  width: 160px;
  height: 80px;

  border-top: 2px solid rgba(0, 93, 140, 0.35);
  border-bottom: 2px solid rgba(0, 93, 140, 0.20);
  border-radius: 999px;

  animation: airMove 2.8s ease-in-out infinite;
}

@keyframes airMove {
  50% {
    transform: translateX(-18px);
  }
}

/* ==========================================================
   Cards / Dashboard
========================================================== */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;

  margin-top: 56px;
}

.cards article {
  padding: 28px;

  border: 1px solid rgba(28, 44, 89, 0.10);
  border-radius: 28px;

  background: #ffffff;
  box-shadow: 0 20px 50px rgba(28, 44, 89, 0.06);
}

.cards article span {
  color: var(--mnt-bright-blue);

  font-size: 13px;
  font-weight: 800;
}

/* ==========================================================
   Quote
========================================================== */

.quote-section {
  color: #ffffff;
  background: var(--mnt-navy);
}

.quote-section p {
  margin: 0;

  color: #ffffff;

  font-size: clamp(34px, 6vw, 76px);
  line-height: 1.1;
  letter-spacing: -0.05em;
}

/* ==========================================================
   Contact
========================================================== */

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

.contact-form label {
  display: grid;
  gap: 8px;

  color: var(--mnt-navy);

  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;

  padding: 14px 16px;

  border: 1px solid rgba(28, 44, 89, 0.16);
  border-radius: 16px;

  color: var(--mnt-navy);
  background: #ffffff;
}

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

/* ==========================================================
   Footer
========================================================== */

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;

  padding: 36px 48px;

  border-top: 1px solid rgba(28, 44, 89, 0.10);
}

.footer img {
  width: 120px;
  height: auto;
}

.footer p {
  margin: 0;

  color: var(--mnt-gray);

  font-size: 13px;
}

/* ==========================================================
   Reveal Animation
========================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);

  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.delay-1 {
  transition-delay: 0.12s;
}

.delay-2 {
  transition-delay: 0.24s;
}

/* ==========================================================
   Cursor Orb
========================================================== */

.cursor-orb {
  position: fixed;
  top: 0;
  left: 0;

  width: 240px;
  height: 240px;

  pointer-events: none;
  z-index: -1;

  border-radius: 999px;

  background: radial-gradient(circle, rgba(0, 103, 188, 0.12), transparent 64%);

  transform: translate(-50%, -50%);
}

/* ==========================================================
   Responsive
========================================================== */

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: 180px 1fr 180px !important;
    padding: 0 30px !important;
  }

  .brand img {
    width: 150px !important;
  }

  .nav {
    gap: 24px !important;
  }

  .nav a {
    font-size: 12px !important;
  }

  .nav-cta {
    padding: 0 16px !important;
    font-size: 12px !important;
  }
}

@media (max-width: 960px) {
  :root {
    --header-height: 70px;
  }

  body {
    padding-top: var(--header-height);
  }

  .site-header {
    grid-template-columns: auto auto !important;
    padding: 0 18px !important;
  }

  .brand img {
    width: 130px !important;
    height: auto !important;
  }

  .menu-toggle {
    display: inline-flex !important;
    justify-self: end !important;
  }

  .nav-cta-desktop {
    display: none !important;
  }

  .nav {
    position: fixed !important;
    top: var(--header-height) !important;
    left: 0 !important;
    right: 0 !important;

    width: 100% !important;

    display: grid !important;
    gap: 0 !important;

    margin: 0 !important;
    padding: 10px 18px 18px !important;

    background: rgba(255, 255, 255, 0.98) !important;
    border-bottom: 1px solid rgba(28, 44, 89, 0.10) !important;
    box-shadow: 0 18px 32px rgba(28, 44, 89, 0.10) !important;

    transform: translateY(-120%) !important;
    opacity: 0 !important;
    pointer-events: none !important;

    transition: transform 0.28s ease, opacity 0.28s ease !important;
  }

  .nav.is-open {
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  .nav a {
    display: flex !important;
    align-items: center !important;

    min-height: 50px !important;

    border-bottom: 1px solid rgba(28, 44, 89, 0.08) !important;

    font-size: 14px !important;
  }

  .nav a:last-child {
    border-bottom: none !important;
  }

  .nav-cta-mobile {
    display: inline-flex !important;

    width: 100% !important;
    min-height: 46px !important;

    margin-top: 14px !important;

    color: #ffffff !important;
    border-bottom: none !important;
  }

  .section-shell {
    width: min(100% - 36px, 1180px);
    padding: 82px 0;
  }

  .hero.section-shell {
    min-height: calc(92svh - var(--header-height));
  }

  .hero-logo-large {
    width: min(460px, 82vw) !important;
    margin-bottom: 22px !important;
  }

  .split,
  .state-machine,
  .experience-grid,
  .cards {
    grid-template-columns: 1fr;
  }

  .triangle {
    height: auto;
    display: grid;
    gap: 16px;
  }

  .triangle svg {
    display: none;
  }

  .tri-node {
    position: static;
    width: 100%;
    transform: none;
  }

  .orbit {
    height: auto;
    border: 0;
    display: grid;
    gap: 12px;
  }

  .orbit-core,
  .orbit > span {
    position: static;
    width: auto;
    height: auto;
    transform: none;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 24px;
  }
}

@media (max-width: 560px) {
  .brand img {
    width: 118px !important;
  }

  .lead {
    font-size: clamp(32px, 10vw, 50px);
  }

  h2 {
    font-size: clamp(30px, 9vw, 44px);
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }
}

.solves-scroll {
  position: relative;
  height: 300vh;
  background: #ffffff;
}

.solves-sticky {
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow: hidden;
  display: flex;
  align-items: center;
}

.solve-trigger {
  display: none;
}

.solves-inner {
  padding-top: 0;
  padding-bottom: 0;
}

.solves-title {
  margin-bottom: 34px;
  color: #0B1B2B;
  font-size: clamp(42px, 5.5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.solves-title em {
  display: block;
  margin-top: 18px;
  color: #0074D9;
  font-size: clamp(24px, 3vw, 38px);
  font-style: italic;
  letter-spacing: -0.03em;
}

.solves-stage {
  position: relative;
  height: min(64vh, 620px);
  perspective: 1400px;
}

.solve-slide {
  position: absolute;
  inset: 0;

  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;

  opacity: 0;
  transform:
    translateY(80px)
    rotateX(8deg)
    scale(0.92);

  filter: blur(8px);

  pointer-events: none;

  transition:
    opacity 0.7s ease,
    transform 0.9s cubic-bezier(.22, 1, .36, 1),
    filter 0.7s ease;
}

.solve-slide.is-active {
  opacity: 1;
  transform:
    translateY(0)
    rotateX(0)
    scale(1);

  filter: blur(0);

  pointer-events: auto;
  z-index: 3;
}

.solve-slide.is-past {
  opacity: 0;
  transform:
    translateY(-90px)
    rotateX(-10deg)
    scale(0.86);

  filter: blur(10px);
  z-index: 1;
}

.solve-visual {
  display: flex;
  align-items: center;
  justify-content: center;

  min-height: 480px;

  border-radius: 34px;

  background:
    radial-gradient(circle at 50% 30%, rgba(0, 103, 188, 0.08), transparent 50%),
    #ffffff;

  border: 1px solid rgba(28, 44, 89, 0.08);
  box-shadow: 0 30px 80px rgba(28, 44, 89, 0.10);
}

.solve-visual img {
  width: min(520px, 88%);
  height: auto;
  display: block;
}

.solve-text span {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 46px;
  height: 46px;

  margin-bottom: 24px;

  border-radius: 999px;

  color: #ffffff;
  background: #1C2C59;

  font-weight: 800;
}

.solve-text h3 {
  margin: 0 0 16px;

  color: #0074D9;

  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.solve-text p {
  margin: 0;

  color: #1f2937;

  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1.6;
}

.solves-scroll {
  position: relative;
  height: 260vh;
  background: #ffffff;
}

.solve-trigger {
  height: 70vh;
}
.solve-trigger-spacer {

  height: 5vh;

}

@media (max-width: 900px) {
  .solves-scroll {
    height: auto;
  }

  .solves-sticky {
    position: relative;
    top: auto;
    height: auto;
    overflow: visible;
  }

  .solves-stage {
    height: auto;
    display: grid;
    gap: 28px;
  }

  .solve-slide {
    position: relative;
    opacity: 1;
    transform: none;
    filter: none;

    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;

    pointer-events: auto;
  }

  .solve-slide.is-past {
    opacity: 1;
    transform: none;
    filter: none;
  }

  .solve-visual {
    min-height: auto;
    padding: 24px;
  }

  .solve-trigger {
    display: none;
  }
}

.solve-progress {
  position: absolute;
  right: -56px;
  top: 50%;
  z-index: 10;

  display: grid;
  gap: 14px;

  transform: translateY(-50%);
}

.solve-progress span {
  width: 38px;
  height: 38px;

  display: grid;
  place-items: center;

  border-radius: 999px;

  color: #9ca3af;
  background: #ffffff;
  border: 1px solid rgba(28, 44, 89, 0.12);

  font-size: 12px;
  font-weight: 800;

  transition: 0.25s ease;
}

.solve-progress span.is-active {
  color: #ffffff;
  background: #1C2C59;
  border-color: #1C2C59;
}

.optimization-visual {
  position: relative;
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
}

.optimization-visual img {
  display: block;
  width: 100%;
  height: auto;
}

/* 点滅枠 共通 */
.blink-frame {
  position: absolute;
  z-index: 2;
  pointer-events: none;

  border: 3px solid #0067bc;
  box-shadow: 0 0 20px rgba(0, 103, 188, 0.45);

  animation: blinkFrame 1.6s ease-in-out infinite;
}

@keyframes blinkFrame {
  0%, 100% {
    opacity: 0.25;
    filter: drop-shadow(0 0 0 rgba(0,103,188,0));
  }

  50% {
    opacity: 1;
    filter: drop-shadow(0 0 14px rgba(0,103,188,0.75));
  }
}

/* 上の丸：人の体験 */
.frame-people {
  left: 41.4%;
  top: 2.4%;
  width: 17.2%;
  height: 28%;
  border-radius: 999px;
}

/* 左の四角：エネルギー */
.frame-energy {
  left: 5.3%;
  top: 31.5%;
  width: 15.5%;
  height: 37.8%;
  border-radius: 18px;
  animation-delay: 0.2s;
}

/* 右の四角：コスト */
.frame-cost {
  left: 79.05%;
  top: 31.5%;
  width: 15%;
  height: 37.4%;
  border-radius: 18px;
  animation-delay: 0.4s;
}

/* 下の四角：同時成立 */
.frame-realization {
  left: 31.1%;
  top: 79.8%;
  width: 37.7%;
  height: 15.6%;
  border-radius: 18px;
  animation-delay: 0.6s;
}