/*=======================================
	breakpoint
=======================================*/
/*=======================================
	hover
=======================================*/
/*=======================================
	center positioning
=======================================*/
/*=======================================
	fluid responsive sizing
/* PC */
/* TB */
/* SP */
/*=======================================
	browser-specific helpers
=======================================*/
/* Safari */
/* Firefox */
/*!
 * ERRAI CORPORATION - application.css
 * Source: application/index.html
 * Auto-extracted from inline <style>; manual additions below.
 */
/* ========================================================================
	 ERRAI CORPORATION - APPLICATION
	 Same design language as errai-corporation / about / join / ir / contact.
	 Detailed look at ETCC's application fields.
	 ======================================================================== */
:root {
  --void:	#04060c;
  --abyss: #070b16;
  --midnight:	#0b1124;
  --navy:	#111935;
  --steel: #1a2447;
  --glass: rgba(255,255,255,0.04);
  --glass-bd:	rgba(255,255,255,0.08);
  --glass-bd-2:	rgba(255,255,255,0.12);
  --gamma: #6ea8ff;
  --gamma-deep:	#3b6fd6;
  --photon:	#aac6ff;
  --plasma:	#b48bff;
  --gold:	#d9c08a;
  --ink: #f4f6fb;
  --ink-2: #c8cfdd;
  --ink-3: #8c95a8;
  --ink-4: #5b6478;
  --rule:	rgba(255,255,255,0.07);
  --rule-2:	rgba(255,255,255,0.12);
  --font-display: "Manrope", "Noto Sans JP", system-ui, sans-serif;
  --font-serif: "Cormorant Garamond", "Noto Serif JP", serif;
  --font-mono:	"JetBrains Mono", ui-monospace, monospace;
  --font-jp:	"Noto Sans JP", system-ui, sans-serif;
  --max-w: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
  --section-y: clamp(80px, 11vw, 160px);
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,.84,.32,1);
}

* {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--abyss);
  color: var(--ink);
  font-family: var(--font-jp);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

svg {
  display: block;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(1200px 600px at 80% -10%, rgba(110, 168, 255, 0.08), transparent 70%), radial-gradient(900px 700px at -10% 60%, rgba(180, 139, 255, 0.05), transparent 70%);
  pointer-events: none;
  z-index: 1;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("../img/noise.svg");
  opacity: 0.55;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: overlay;
}

main, header, footer, section {
  position: relative;
  z-index: 3;
}

a[aria-disabled=true] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* ========== PAGE HERO ========== */
.page-hero {
  min-height: 62vh;
  padding: 160px var(--gutter) 100px;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 10px;
}

.page-hero__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.page-hero__particles .pt {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--gamma);
  border-radius: 50%;
  -webkit-box-shadow: 0 0 6px var(--gamma);
          box-shadow: 0 0 6px var(--gamma);
  opacity: 0;
  -webkit-animation: float-up 16s linear infinite;
          animation: float-up 16s linear infinite;
}

@-webkit-keyframes float-up {
  0% {
    -webkit-transform: translateY(0);
            transform: translateY(0);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.4;
  }
  100% {
    -webkit-transform: translateY(-100vh);
            transform: translateY(-100vh);
    opacity: 0;
  }
}

@keyframes float-up {
  0% {
    -webkit-transform: translateY(0);
            transform: translateY(0);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.4;
  }
  100% {
    -webkit-transform: translateY(-100vh);
            transform: translateY(-100vh);
    opacity: 0;
  }
}
.page-hero__title {
  font-size: clamp(48px, 8vw, 104px);
  letter-spacing: 0.01em;
}

.page-hero__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  color: var(--photon);
}

.page-hero__sub {
  margin-top: 22px;
  font-size: 14px;
  letter-spacing: 0.26em;
}

.page-hero__lead {
  margin-top: 36px;
  font-size: 15px;
  line-height: 2;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  max-width: 620px;
  overflow-wrap: anywhere;
  word-break: break-all;
  line-break: anywhere;
}

@media (max-width: 700px) {
  .page-hero {
    padding: 130px 20px 80px;
    min-height: 64vh;
  }
  .page-hero__lead {
    max-width: 350px;
    font-size: 13.5px;
    line-height: 1.95;
  }
}
/* ========== BREADCRUMB ========== */
.breadcrumb {
  padding: 24px var(--gutter) 0;
}

.breadcrumb__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.25em;
  color: var(--ink-4);
  text-transform: uppercase;
}

.breadcrumb a {
  color: var(--ink-3);
  -webkit-transition: color 0.3s var(--ease);
  transition: color 0.3s var(--ease);
}

.breadcrumb a:hover {
  color: var(--gamma);
}

.breadcrumb .sep {
  color: var(--ink-4);
}

.breadcrumb .current {
  color: var(--ink);
  border-bottom: 1px solid var(--gamma);
  padding-bottom: 3px;
}

/* ========== SECTION ========== */
.section {
  padding: var(--section-y) var(--gutter);
  position: relative;
  scroll-margin-top: 84px;
}

.section--tight {
  padding: clamp(64px, 8vw, 110px) var(--gutter);
}

.section__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ========== 01 / WHAT IS ETCC ========== */
.etcc {
  background: -webkit-gradient(linear, left top, left bottom, from(var(--abyss)), to(var(--midnight)));
  background: linear-gradient(180deg, var(--abyss) 0%, var(--midnight) 100%);
  border-bottom: 1px solid var(--rule);
}

.etcc__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.etcc__title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin-bottom: 32px;
}

.etcc__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  color: var(--photon);
}

.etcc__body {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 22px;
}

.etcc__body p {
  font-size: 14.5px;
  line-height: 2.05;
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

.etcc__body p strong {
  color: var(--ink);
  font-weight: 600;
}

.etcc__body .accent {
  color: var(--photon);
  font-weight: 500;
}

.etcc__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}

.etcc__meta-item .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  color: var(--ink-4);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.etcc__meta-item .value {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 22px;
  color: var(--gamma);
  letter-spacing: 0.04em;
}

.etcc__vis {
  position: relative;
  aspect-ratio: 1/1;
  border: 1px solid var(--rule-2);
  background: radial-gradient(circle at 30% 30%, rgba(110, 168, 255, 0.1), transparent 60%), var(--midnight);
  overflow: hidden;
}

.etcc__vis svg {
  width: 100%;
  height: 100%;
}

.etcc__vis-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--ink-4);
  text-transform: uppercase;
}

.etcc__vis-readout {
  position: absolute;
  bottom: 18px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  text-align: right;
}

.etcc__vis-readout strong {
  color: var(--gamma);
  font-weight: 500;
}

@media (max-width: 860px) {
  .etcc__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .etcc__meta {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}
/* ========== 02 / MONITORING ========== */
.monitoring {
  background: var(--abyss);
}

.monitoring__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(40px, 6vw, 80px);
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.monitoring__title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(26px, 3.5vw, 38px);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin-bottom: 28px;
}

.monitoring__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  color: var(--photon);
}

.monitoring__body {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 20px;
}

.monitoring__body p {
  font-size: 14.5px;
  line-height: 2;
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

.monitoring__body p strong {
  color: var(--ink);
  font-weight: 600;
}

.monitoring__body .accent {
  color: var(--photon);
  font-weight: 500;
}

.monitoring__highlight {
  margin-top: 14px;
  padding: 20px 22px;
  border: 1px solid var(--rule-2);
  background: rgba(110, 168, 255, 0.025);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-2);
  position: relative;
}

.monitoring__highlight::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 32px;
  height: 1px;
  background: var(--gamma);
}

.monitoring__highlight .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gamma);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.monitoring__vis {
  position: relative;
  aspect-ratio: 5/4;
  border: 1px solid var(--rule-2);
  background: radial-gradient(ellipse at 50% 50%, rgba(110, 168, 255, 0.1), transparent 65%), -webkit-gradient(linear, left top, left bottom, from(var(--midnight)), to(var(--abyss)));
  background: radial-gradient(ellipse at 50% 50%, rgba(110, 168, 255, 0.1), transparent 65%), linear-gradient(180deg, var(--midnight), var(--abyss));
  overflow: hidden;
}

.monitoring__vis svg {
  width: 100%;
  height: 100%;
}

.monitoring__vis-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--ink-4);
  text-transform: uppercase;
}

.monitoring__vis-data {
  position: absolute;
  bottom: 18px;
  left: 18px;
  right: 18px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  text-transform: uppercase;
}

.monitoring__vis-data .item .v {
  color: var(--gamma);
}

@media (max-width: 860px) {
  .monitoring__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}
/* ========== 03 / APPLICATION FIELDS index ========== */
.fields-index {
  background: -webkit-gradient(linear, left top, left bottom, from(var(--midnight)), to(var(--abyss)));
  background: linear-gradient(180deg, var(--midnight) 0%, var(--abyss) 100%);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.fields-index__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule-2);
  border: 1px solid var(--rule-2);
}

.field-card-link {
  background: var(--abyss);
  display: grid;
  grid-template-columns: 64px 1fr 32px;
  gap: 24px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 36px clamp(24px, 3vw, 44px);
  position: relative;
  -webkit-transition: background 0.35s var(--ease);
  transition: background 0.35s var(--ease);
  --mx: 50%;
  --my: 50%;
}

.field-card-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 1px;
  background: var(--gamma);
  opacity: 0;
  -webkit-transition: opacity 0.3s var(--ease), width 0.3s var(--ease);
  transition: opacity 0.3s var(--ease), width 0.3s var(--ease);
}

.field-card-link:hover {
  background: var(--midnight);
}

.field-card-link:hover::before {
  opacity: 1;
  width: 80px;
}

.field-card-link .num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--ink-4);
  border-left: 1px solid var(--rule-2);
  padding-left: 14px;
  -ms-flex-item-align: stretch;
      align-self: stretch;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.field-card-link:hover .num {
  color: var(--gamma);
  border-color: var(--gamma);
}

.field-card-link .body {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 6px;
}

.field-card-link .ja {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 16px;
  color: var(--ink);
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.field-card-link .en {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gamma);
  text-transform: uppercase;
}

.field-card-link .sup {
  font-family: var(--font-jp);
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.field-card-link .arrow {
  width: 32px;
  height: 32px;
  border: 1px solid var(--rule-2);
  border-radius: 50%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-transition: all 0.3s var(--ease);
  transition: all 0.3s var(--ease);
}

.field-card-link .arrow svg {
  width: 14px;
  height: 14px;
  stroke: var(--ink-2);
  fill: none;
  stroke-width: 1.4;
  -webkit-transition: stroke 0.3s var(--ease), -webkit-transform 0.3s var(--ease);
  transition: stroke 0.3s var(--ease), -webkit-transform 0.3s var(--ease);
  transition: stroke 0.3s var(--ease), transform 0.3s var(--ease);
  transition: stroke 0.3s var(--ease), transform 0.3s var(--ease), -webkit-transform 0.3s var(--ease);
}

.field-card-link:hover .arrow {
  border-color: var(--gamma);
  background: rgba(110, 168, 255, 0.08);
}

.field-card-link:hover .arrow svg {
  stroke: var(--photon);
  -webkit-transform: translateX(2px);
          transform: translateX(2px);
}

@media (max-width: 720px) {
  .fields-index__grid {
    grid-template-columns: 1fr;
  }
  .field-card-link {
    grid-template-columns: 48px 1fr 28px;
    gap: 16px;
    padding: 28px 22px;
  }
  .field-card-link .num {
    font-size: 12px;
    padding-left: 10px;
  }
}
/* ========== 04+ / FIELD DETAIL SECTIONS ========== */
.field {
  position: relative;
  scroll-margin-top: 84px;
}

#nuclear-medicine {
  padding-bottom: 0;
}

.field--alt {
  background: -webkit-gradient(linear, left top, left bottom, from(var(--abyss)), color-stop(60%, var(--midnight)), to(var(--abyss)));
  background: linear-gradient(180deg, var(--abyss), var(--midnight) 60%, var(--abyss));
}

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

.field--alt .field__grid {
  direction: rtl;
}

.field--alt .field__grid > * {
  direction: ltr;
}

.field__text {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 18px;
}

.field__head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 14px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 24px;
  margin-bottom: 8px;
  position: relative;
}

.field__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 56px;
  height: 1px;
  background: var(--gamma);
  -webkit-box-shadow: 0 0 8px var(--gamma);
          box-shadow: 0 0 8px var(--gamma);
}

.field__num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.3em;
  color: var(--gamma);
  text-transform: uppercase;
}

.field__en {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: 0.04em;
  color: var(--ink);
  text-transform: uppercase;
  line-height: 1.2;
}

.field__ja {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(22px, 2.8vw, 32px);
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1.35;
}

.field__sup {
  font-family: var(--font-jp);
  font-size: 12.5px;
  color: var(--ink-3);
  letter-spacing: 0.12em;
}

.field__lead {
  font-size: 15px;
  line-height: 2;
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

.field__lead em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--photon);
  font-weight: 400;
}

.field__points {
  list-style: none;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 16px;
  margin-top: 8px;
  border-top: 1px solid var(--rule);
  padding-top: 22px;
}

.field__points li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-2);
}

.field__points li .pn {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.15em;
  color: var(--gamma);
  padding-top: 2px;
}

.field__vis {
  position: relative;
  aspect-ratio: 4/5;
  border: 1px solid var(--rule-2);
  background: radial-gradient(circle at 30% 30%, rgba(110, 168, 255, 0.1), transparent 60%), var(--midnight);
  overflow: hidden;
}

.field__vis svg {
  width: 100%;
  height: 100%;
}

.field__vis-corner-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--ink-4);
  text-transform: uppercase;
}

.field__vis-corner-id {
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gamma);
  text-transform: uppercase;
}

.field__vis-bottom {
  position: absolute;
  bottom: 18px;
  left: 18px;
  right: 18px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  text-transform: uppercase;
  -webkit-box-align: end;
      -ms-flex-align: end;
          align-items: end;
}

.field__vis-bottom .v {
  color: var(--gamma);
}

.field__vis-bottom .label-block {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 4px;
}

/* Sub-blocks for field-04 (space + fusion) */
.subblock {
  border-top: 1px solid var(--rule);
  padding-top: clamp(40px, 5vw, 64px);
  margin-top: clamp(40px, 5vw, 64px);
}

.subblock__head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.subblock__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--gamma);
  text-transform: uppercase;
}

.subblock__en {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: 0.06em;
  color: var(--ink);
  text-transform: uppercase;
}

.subblock__ja {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--ink);
  letter-spacing: 0.04em;
}

.case-study {
  margin-top: clamp(48px, 6vw, 84px);
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--rule-2);
  background: linear-gradient(135deg, rgba(110, 168, 255, 0.07), transparent 42%), rgba(255, 255, 255, 0.025);
  position: relative;
  overflow: hidden;
}

.case-study::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 1px;
  background: var(--gamma);
  -webkit-box-shadow: 0 0 10px rgba(110, 168, 255, 0.55);
          box-shadow: 0 0 10px rgba(110, 168, 255, 0.55);
}

.case-study__head {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: clamp(20px, 4vw, 48px);
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: start;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.case-study__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--gamma);
  text-transform: uppercase;
}

.case-study__ja {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 500;
  line-height: 1.45;
  color: var(--photon);
  letter-spacing: 0.04em;
}

.case-study__copy {
  margin-top: 14px;
  max-width: 780px;
  font-size: 14px;
  line-height: 2;
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

.case-study__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 36px);
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: start;
}

.case-study__body {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 18px;
}

.case-study__body p {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

.case-study__grid > p {
  max-width: 860px;
  font-size: 14px;
  line-height: 2;
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

.ri-range {
  min-width: 0;
  --ri-label-w: 54px;
  --ri-col-w: 62px;
  --ri-chart-w: calc(var(--ri-label-w) + (var(--ri-col-w) * 13));
}

.ri-range__caption {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--ink-2);
  width: 100%;
}

.ri-range__caption span:first-child {
  font-family: var(--font-display);
  color: var(--ink);
}

.ri-range__scroll {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

.ri-range__scroll-note {
  display: none;
}

.ri-range__chart {
  width: var(--ri-chart-w);
  min-width: var(--ri-chart-w);
  max-width: var(--ri-chart-w);
  margin: 0 auto;
  padding-bottom: 10px;
}

.ri-range__table-wrap {
  overflow: visible;
  border: 1px solid var(--rule-2);
  background: rgba(4, 6, 12, 0.34);
}

.ri-range__table {
  width: var(--ri-chart-w);
  table-layout: fixed;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.35;
  color: var(--ink-2);
}

.ri-range__table th,
.ri-range__table td {
  height: 36px;
  padding: 7px 6px;
  border-right: 1px dashed rgba(170, 198, 255, 0.22);
  border-bottom: 1px solid var(--rule);
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
  background: rgba(170, 198, 255, 0.035);
}

.ri-range__table th {
  color: var(--ink);
  font-weight: 500;
  background: rgba(170, 198, 255, 0.06);
}

.ri-range__table thead th {
  height: 32px;
  font-size: 11px;
}

.ri-range__table thead th:first-child,
.ri-range__table tbody th {
  width: var(--ri-label-w);
  font-size: 10px;
  line-height: 1.1;
}

.ri-range__table tbody th {
  position: static;
  z-index: auto;
  color: var(--gamma);
  background: rgba(7, 11, 22, 0.96);
}

.ri-range__bars {
  position: relative;
  width: calc(var(--ri-col-w) * 13);
  height: 118px;
  margin-left: var(--ri-label-w);
  background: -webkit-gradient(linear, left top, right top, color-stop(0, rgba(170, 198, 255, 0.08)), color-stop(transparent), color-stop(rgba(170, 198, 255, 0.08)), to(transparent)), rgba(170, 198, 255, 0.035);
  background: linear-gradient(90deg, rgba(170, 198, 255, 0.08) 0 calc(var(--ri-col-w) * 3.5), transparent calc(var(--ri-col-w) * 3.5) calc(var(--ri-col-w) * 6), rgba(170, 198, 255, 0.08) calc(var(--ri-col-w) * 6) calc(var(--ri-col-w) * 7), transparent calc(var(--ri-col-w) * 7)), rgba(170, 198, 255, 0.035);
  overflow: hidden;
}

.ri-range__bar {
  height: 38px;
  border-radius: 4px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.ri-range__bar--spect,
.ri-range__bar--pet {
  position: absolute;
  top: 16px;
  background: -webkit-gradient(linear, left top, right top, from(rgba(180, 216, 86, 0.9)), to(rgba(216, 238, 160, 0.86)));
  background: linear-gradient(90deg, rgba(180, 216, 86, 0.9), rgba(216, 238, 160, 0.86));
  color: rgba(7, 11, 22, 0.72);
}

.ri-range__bar--spect {
  left: 0;
  width: calc(var(--ri-col-w) * 3.5);
}

.ri-range__bar--pet {
  left: calc(var(--ri-col-w) * 6);
  width: var(--ri-col-w);
}

.ri-range__bar--etcc {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 44px;
  background: -webkit-gradient(linear, left top, right top, from(#075cae), to(#0d70c9));
  background: linear-gradient(90deg, #075cae, #0d70c9);
  color: #fff;
  font-size: 28px;
  font-weight: 700;
}

.ri-range__bars p {
  position: absolute;
  right: 14px;
  top: 58px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  color: var(--ink-2);
  text-align: right;
  white-space: nowrap;
}

.space-story {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: 1px;
  background: var(--rule-2);
  border: 1px solid var(--rule-2);
}

.space-story__item {
  position: relative;
  min-height: 230px;
  background: var(--midnight);
  overflow: hidden;
}

.space-story__item--main {
  grid-row: span 2;
  min-height: 461px;
}

.space-story__item img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  -webkit-filter: saturate(0.92) contrast(1.05);
          filter: saturate(0.92) contrast(1.05);
  opacity: 0.9;
}

.space-story__item--balloon img {
  -o-object-position: 68% center;
     object-position: 68% center;
}

.space-story__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: -webkit-gradient(linear, left top, left bottom, color-stop(45%, transparent), to(rgba(4, 6, 12, 0.72)));
  background: linear-gradient(180deg, transparent 45%, rgba(4, 6, 12, 0.72));
  pointer-events: none;
}

.space-story__item figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  z-index: 1;
  font-size: 12.5px;
  color: var(--ink);
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.space-story__item figcaption span {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  color: var(--gamma);
  text-transform: uppercase;
}

@media (max-width: 860px) {
  .field__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .field--alt .field__grid {
    direction: ltr;
  }
  .field__vis {
    aspect-ratio: 5/4;
  }
  /* On mobile, show visual BEFORE text for consistent vertical flow */
  .field__vis {
    -webkit-box-ordinal-group: 0;
        -ms-flex-order: -1;
            order: -1;
  }
  .case-study__head,
  .case-study__grid {
    grid-template-columns: 1fr;
  }
  .space-story {
    grid-template-columns: 1fr 1fr;
  }
  .space-story__item--main {
    grid-column: 1/-1;
    grid-row: auto;
    min-height: 360px;
  }
  .space-story__item {
    min-height: 190px;
  }
}
@media (max-width: 560px) {
  .case-study {
    padding: 24px 18px;
  }
  .ri-range__caption {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 4px;
  }
  .ri-range__table {
    font-size: 14px;
  }
  .ri-range__scroll-note {
    display: block;
    margin-top: 8px;
    font-size: 10px;
    line-height: 1.6;
    color: var(--ink-3);
    letter-spacing: 0.04em;
  }
  .space-story {
    grid-template-columns: 1fr;
  }
  .space-story__item,
  .space-story__item--main {
    min-height: 240px;
  }
}
/* ========== Final CTA ========== */
.cta {
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(110, 168, 255, 0.07), transparent 70%), var(--abyss);
  border-top: 1px solid var(--rule);
  text-align: center;
}

.cta__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.35em;
  color: var(--ink-4);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.cta__title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--ink);
  max-width: 820px;
  margin: 0 auto 18px;
}

.cta__title em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--photon);
  font-weight: 300;
}

.cta__lead {
  max-width: 680px;
  margin: 0 auto 44px;
  font-size: 14.5px;
  line-height: 2;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

.cta__actions {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: 14px;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

.cta__actions .btn-line {
  padding: 14px 26px;
  font-size: 11.5px;
}

/* ========== FOOTER (shared) ========== */
.site-footer {
  padding: 80px var(--gutter) 32px;
  border-top: 1px solid var(--rule);
  background: var(--void);
}

.footer-top {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--rule);
}

.footer-brand h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.26em;
  color: var(--ink);
  margin-bottom: 8px;
}

.footer-brand .ja {
  font-family: var(--font-jp);
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 24px;
}

.footer-brand .addr {
  font-family: var(--font-jp);
  font-size: 12px;
  line-height: 1.9;
  color: var(--ink-3);
}

.footer-brand .addr a {
  color: var(--photon);
  border-bottom: 1px solid var(--rule-2);
  -webkit-transition: border-color 0.3s var(--ease);
  transition: border-color 0.3s var(--ease);
}

.footer-brand .addr a:hover {
  border-color: var(--gamma);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--gamma);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.footer-col ul {
  list-style: none;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-family: var(--font-jp);
  font-size: 13px;
  color: var(--ink-2);
  -webkit-transition: color 0.3s var(--ease);
  transition: color 0.3s var(--ease);
}

.footer-col a:hover {
  color: var(--photon);
}

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding-top: 32px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--ink-4);
  text-transform: uppercase;
}

.footer-bottom .legal {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 24px;
}

.footer-bottom .legal a {
  color: var(--ink-3);
}

.footer-bottom .legal a:hover {
  color: var(--gamma);
}

@media (max-width: 767px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .footer-brand {
    grid-column: 1/-1;
  }
  .footer-bottom {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 12px;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
  }
}
/* ========== Reveal animation ========== */
.reveal {
  opacity: 0;
  -webkit-transform: translateY(18px);
          transform: translateY(18px);
  -webkit-transition: opacity 0.9s var(--ease), -webkit-transform 0.9s var(--ease);
  transition: opacity 0.9s var(--ease), -webkit-transform 0.9s var(--ease);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease), -webkit-transform 0.9s var(--ease);
}

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

.reveal.delay-1 {
  -webkit-transition-delay: 0.08s;
          transition-delay: 0.08s;
}

.reveal.delay-2 {
  -webkit-transition-delay: 0.16s;
          transition-delay: 0.16s;
}

.reveal.delay-3 {
  -webkit-transition-delay: 0.24s;
          transition-delay: 0.24s;
}

::-moz-selection {
  background: var(--gamma);
  color: var(--abyss);
}

::selection {
  background: var(--gamma);
  color: var(--abyss);
}

/* SVG keyframes shared by visuals */
@-webkit-keyframes pulse-soft {
  0%, 100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}
@keyframes pulse-soft {
  0%, 100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}
@-webkit-keyframes orbit-slow {
  to {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
@keyframes orbit-slow {
  to {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
@-webkit-keyframes scan-down {
  0% {
    -webkit-transform: translateY(-100%);
            transform: translateY(-100%);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.8;
  }
  100% {
    -webkit-transform: translateY(100%);
            transform: translateY(100%);
    opacity: 0;
  }
}
@keyframes scan-down {
  0% {
    -webkit-transform: translateY(-100%);
            transform: translateY(-100%);
    opacity: 0;
  }
  10% {
    opacity: 0.8;
  }
  90% {
    opacity: 0.8;
  }
  100% {
    -webkit-transform: translateY(100%);
            transform: translateY(100%);
    opacity: 0;
  }
}
/* === Footer heading: a11y fix (h4 -> p.footer-col__heading) === */
.footer-col__heading {
  margin: 0 0 18px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--ink-4);
  text-transform: uppercase;
  font-weight: 500;
}
/* === Unified footer display === */
.site-footer {
  background: var(--void);
  padding: 80px var(--gutter) 32px;
  border-top: 1px solid var(--rule);
  position: relative;
  z-index: 10;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: var(--max-w);
  margin: 0 auto 64px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--rule);
}

.footer-brand h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 28px;
  letter-spacing: .02em;
  color: var(--ink);
  margin-bottom: 8px;
}

.footer-brand .ja {
  font-family: var(--font-jp);
  font-size: 13px;
  color: var(--ink-2);
  letter-spacing: .15em;
  margin-bottom: 24px;
}

.footer-brand .addr {
  font-family: var(--font-jp);
  font-size: 12px;
  line-height: 1.95;
  color: var(--ink-3);
  letter-spacing: .04em;
}

.footer-brand .addr a {
  color: var(--gamma);
  text-decoration: underline;
  text-decoration-color: rgba(110,168,255,.3);
  text-underline-offset: 3px;
  transition: text-decoration-color .3s var(--ease), color .3s var(--ease);
}

.footer-brand .addr a:hover {
  color: var(--photon);
  text-decoration-color: var(--gamma);
}

.footer-col h4,
.footer-col__heading {
  margin: 0 0 18px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .25em;
  color: var(--ink-4);
  text-transform: uppercase;
  font-weight: 500;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.footer-col a {
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .15em;
  color: var(--ink-2);
  transition: color .3s var(--ease);
}

.footer-col a:hover {
  color: var(--photon);
}

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .15em;
  color: var(--ink-4);
  text-transform: none;
}

.footer-bottom .legal {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-bottom a,
.footer-bottom .legal a {
  color: var(--ink-3);
  transition: color .3s var(--ease);
}

.footer-bottom a:hover,
.footer-bottom .legal a:hover {
  color: var(--ink);
}

@media (max-width: 767px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}
/*# sourceMappingURL=application.css.map */