@charset "utf-8";

/* Sticky navigation anchor offset */
html {
  scroll-padding-top: 62px;
}

#overview,
#tokucho,
#kino,
#data,
#kado {
  scroll-margin-top: 62px;
}


/* -----------------------------------------------------
   EPPIC vertical + horizontal hybrid layout
   ----------------------------------------------------- */

.eppic-hybrid-nav {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 120;
  margin: 0 0 28px;
  border-top: 1px solid #17385f;
  border-bottom: 1px solid #17385f;
  background: #17385f;
  box-shadow: 0 5px 14px rgba(17, 44, 75, 0.22);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.eppic-hybrid-nav ul {
  display: flex;
  min-width: 620px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.eppic-hybrid-nav li {
  flex: 1 0 auto;
  margin: 0;
  padding: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
}

.eppic-hybrid-nav li:last-child {
  border-right: 0;
}

.eppic-hybrid-nav a {
  display: block;
  padding: 12px 16px;
  color: #ffffff;
  font-size: 12px;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}

.eppic-hybrid-nav a:hover {
  background: #2a5d8f;
  color: #ffffff;
}

.eppic-section-heading {
  display: flex;
  align-items: center;
  margin: 0 0 15px;
  padding: 0 0 9px;
  border-bottom: 2px solid #23426e;
}

.eppic-section-no {
  margin-right: 10px;
  color: #5b87b2;
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.08em;
}

.eppic-section-heading h2 {
  width: auto !important;
  height: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  background: none !important;
  color: #17385f !important;
  font-size: 19px !important;
  line-height: 1.4 !important;
}

.eppic-section-lead {
  margin: 0 0 14px;
  color: #555;
  font-size: 13px;
  line-height: 1.75;
}

.eppic-horizontal-section {
  width: 690px;
  margin: 0 0 38px;
}

.eppic-horizontal-shell {
  position: relative;
}

.eppic-horizontal-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 2px 0 0;
  overflow: visible;
}

.eppic-horizontal-card {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  min-height: 235px;
  padding: 22px 20px 18px;
  border: 1px solid #d6e0ea;
  border-top: 4px solid #2a5d8f;
  border-radius: 5px;
  background: #fff;
  box-shadow: 0 3px 10px rgba(22, 51, 83, 0.08);
}

.eppic-horizontal-card-number {
  display: block;
  margin: 0 0 11px;
  color: #7693ae;
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.12em;
}

.eppic-horizontal-card h3 {
  margin: 0 0 10px;
  padding: 0;
  border: 0;
  background: none;
  color: #183d65;
  font-size: 16px;
  line-height: 1.55;
}

.eppic-horizontal-card p {
  margin: 0;
  color: #4d4d4d;
  font-size: 12px;
  line-height: 1.75;
}

.eppic-horizontal-card.is-accent {
  border-top-color: #2a5d8f;
}

.eppic-horizontal-card.is-accent h3 {
  color: #183d65;
}

.eppic-horizontal-controls {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin: 10px 0 0;
}

.eppic-scroll-button {
  width: 38px;
  height: 34px;
  padding: 0;
  border: 1px solid #aebfd0;
  border-radius: 3px;
  background: #fff;
  color: #23426e;
  font-size: 18px;
  line-height: 30px;
  cursor: pointer;
}

.eppic-scroll-button:hover,
.eppic-scroll-button:focus {
  border-color: #23426e;
  background: #23426e;
  color: #fff;
  outline: none;
}

.eppic-horizontal-hint {
  float: left;
  margin: 17px 0 0;
  color: #7a8794;
  font-size: 11px;
}

/* Key visual carousel */
.eppic-visual-section {
  width: 690px;
  margin: 0 0 28px;
}

.eppic-visual-track {
  display: flex;
  gap: 12px;
  padding: 0 40px 12px 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: #9bb1c7 #eef2f6;
}

.eppic-visual-track::-webkit-scrollbar {
  height: 7px;
}

.eppic-visual-track::-webkit-scrollbar-track {
  background: #eef2f6;
}

.eppic-visual-track::-webkit-scrollbar-thumb {
  background: #9bb1c7;
  border-radius: 4px;
}

.eppic-visual-card {
  box-sizing: border-box;
  flex: 0 0 calc((100% - 12px) / 2);
  min-width: 320px;
  padding: 0;
  border: 1px solid #d3dde7;
  background: #f7f9fb;
  scroll-snap-align: start;
}

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

.eppic-visual-caption {
  margin: 0;
  padding: 10px 14px 12px;
  color: #4f5f6f;
  font-size: 12px;
  line-height: 1.55;
  text-align: center;
  font-weight: bold;
}

.eppic-inline-link {
  margin: 12px 0 0;
  text-align: right;
  font-size: 12px;
}

.eppic-inline-link a {
  color: #1c5f9e;
  font-weight: bold;
  text-decoration: none;
}

.eppic-inline-link a:hover {
  text-decoration: underline;
}

/* Compact lower sections */
.eppic-compact-section {
  width: 690px;
  margin: 0 0 50px;
  padding: 0;
}

.eppic-info-grid {
  display: flex;
  gap: 12px;
  margin: 0;
}

.eppic-info-box {
  box-sizing: border-box;
  flex: 1 1 0;
  padding: 17px 18px;
  border: 1px solid #d9e1e8;
  background: #f8fafc;
}

.eppic-info-box h3 {
  margin: 0 0 8px;
  color: #23426e;
  font-size: 14px;
  line-height: 1.45;
}

.eppic-info-box p {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
}

@media screen and (max-width: 740px) {
  .eppic-horizontal-section,
  .eppic-visual-section,
  .eppic-compact-section {
    width: 100%;
  }

  .eppic-horizontal-track {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .eppic-horizontal-card {
    min-height: 0;
  }

  .eppic-visual-card {
    flex-basis: 88%;
  }

  .eppic-info-grid {
    display: block;
  }

  .eppic-info-box {
    margin-bottom: 10px;
  }

  .eppic-horizontal-hint {
    display: none;
  }

  .eppic-scroll-button {
    width: 42px;
  }
}

/* -----------------------------------------------------
   Modern desktop content width
   Legacy layout: container 900px / content 690px
   Updated layout: container 1240px / content 1030px
   ----------------------------------------------------- */
@media screen and (min-width: 1001px) {
  #container-top {
    width: 1240px;
  }

  #content {
    width: 1030px;
  }

  .eppic-horizontal-section,
  .eppic-visual-section,
  .eppic-compact-section,
  .eppic-action-buttons {
    width: 100%;
  }

}

@media screen and (min-width: 741px) and (max-width: 1000px) {
  .eppic-horizontal-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Keep a comfortable gutter on narrower desktop/tablet screens. */
@media screen and (min-width: 741px) and (max-width: 1300px) {
  #container-top {
    box-sizing: border-box;
    width: calc(100% - 40px);
  }

  #content {
    width: calc(100% - 210px);
  }

  .eppic-horizontal-section,
  .eppic-visual-section,
  .eppic-compact-section,
  .eppic-action-buttons {
    width: 100%;
  }
}

/* -----------------------------------------------------
   Feature editorial layout / function list
   ----------------------------------------------------- */
.eppic-content-section {
  width: 100%;
  margin: 0 0 46px;
}

.eppic-feature-showcase {
  margin-top: 24px;
  /* border-top: 1px solid #d7e0ea; */
}

.eppic-feature-row {
  display: flex;
  align-items: center;
  gap: 46px;
  padding: 42px 0;
 /*  border-bottom: 1px solid #d7e0ea;*/
}

.eppic-feature-row.is-reverse {
  flex-direction: row-reverse;
}

.eppic-feature-copy {
  box-sizing: border-box;
  flex: 1 1 42%;
  min-width: 0;
}

.eppic-feature-kicker {
  display: block;
  margin-bottom: 12px;
  color: #5f7e9d;
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.18em;
}

.eppic-feature-copy h3 {
  margin: 0 0 18px;
  padding: 0;
  border: 0;
  background: none;
  color: #17385f;
  font-size: 25px;
  line-height: 1.5;
  font-weight: bold;
}

.eppic-feature-copy p {
  margin: 0;
  color: #333;
  font-size: 13px;
  line-height: 1.9;
}

.eppic-feature-image {
  box-sizing: border-box;
  flex: 1 1 58%;
  min-width: 0;
  overflow: hidden;
  background: #f4f7fa;
}

.eppic-feature-image img {
  display: block;
  width: 100%;
  height: auto;
}

.eppic-feature-image.is-ui-image {
  padding: 24px;
  border: 1px solid #dce4ec;
}

.eppic-subfeature-block {
  margin-top: 42px;
}

.eppic-subfeature-title {
  margin: 0 0 12px;
  padding: 0;
  border: 0;
  background: none;
  color: #17385f;
  font-size: 17px;
  line-height: 1.5;
}

.eppic-subfeature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 34px;
}

.eppic-subfeature-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  padding: 19px 0 18px;
  border-bottom: 1px solid #d9e1e8;
}

.eppic-subfeature-no {
  color: #7a93ab;
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.08em;
}

.eppic-subfeature-item h4 {
  margin: 0 0 6px;
  color: #183d65;
  font-size: 14px;
  line-height: 1.55;
}

.eppic-subfeature-item p {
  margin: 0;
  color: #333;
  font-size: 12px;
  line-height: 1.7;
}

.eppic-function-list {
  margin-top: 20px;
  /* border-top: 2px solid #17385f; */
}

.eppic-function-row {
  display: grid;
  grid-template-columns: 48px 250px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 21px 0;
  border-bottom: 1px solid #d6dfe8;
}

.eppic-function-no {
  color: #7890a8;
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.08em;
  line-height: 1.7;
}

.eppic-function-row h3 {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: #17385f;
  font-size: 14px;
  line-height: 1.65;
}

.eppic-function-row p {
  margin: 0;
  color: #4f5963;
  font-size: 12px;
  line-height: 1.75;
}

@media screen and (max-width: 1000px) {
  .eppic-feature-row,
  .eppic-feature-row.is-reverse {
    gap: 28px;
  }

  .eppic-feature-copy h3 {
    font-size: 21px;
  }

  .eppic-function-row {
    grid-template-columns: 42px 210px minmax(0, 1fr);
    gap: 14px;
  }
}

@media screen and (max-width: 740px) {
  .eppic-content-section {
    width: 100%;
    margin-bottom: 36px;
  }

  .eppic-feature-row,
  .eppic-feature-row.is-reverse {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    padding: 30px 0;
  }

  .eppic-feature-copy,
  .eppic-feature-image {
    flex: none;
    width: 100%;
  }

  .eppic-feature-copy h3 {
    font-size: 20px;
  }

  .eppic-feature-image.is-ui-image {
    padding: 14px;
  }

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

  .eppic-subfeature-item {
    grid-template-columns: 36px minmax(0, 1fr);
  }

  .eppic-function-row {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 8px 10px;
    padding: 18px 0;
  }

  .eppic-function-row h3 {
    font-size: 14px;
  }

  .eppic-function-row p {
    grid-column: 2;
  }
}


/* -----------------------------------------------------
   2026-08 refinements: static visuals / unified features
   / simple environment chart / image modal
   ----------------------------------------------------- */

/* Four visual examples: fixed 2 x 2 grid instead of slider */
.eppic-visual-section.is-static-grid .eppic-visual-track {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  overflow: visible;
  scroll-snap-type: none;
}

.eppic-visual-section.is-static-grid .eppic-visual-card {
  min-width: 0;
  width: auto;
  flex: none;
}

/* FEATURE 01-10 use one consistent list */
.eppic-feature-list-all {
  margin-top: 22px;
}

.eppic-feature-image-stack {
  width: min(860px, 100%);
  margin: 42px auto 0;
}

.eppic-feature-image-stack-item {
  margin: 0 0 34px;
  overflow: hidden;
  background: #f7f9fb;
  border: 1px solid #dce4ec;
}

.eppic-feature-image-stack-item:last-child {
  margin-bottom: 0;
}

.eppic-feature-image-stack-item img {
  display: block;
  width: 100%;
  height: auto;
}

.eppic-feature-media-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.eppic-feature-media-row img,
.eppic-feature-media-row video {
  display: block;
  width: 100%;
  height: auto;
}

.eppic-feature-image-stack-item.is-ui-image {
  box-sizing: border-box;
  padding: 24px 24px 0;
}

.eppic-feature-image-stack-item.is-ui-image .eppic-visual-caption {
  margin-left: -24px;
  margin-right: -24px;
}

/* Environment: strong label on the left, deliberately simple detail on the right */
.eppic-env-lead {
  margin: 0 0 16px;
}

.eppic-env-chart {
  border-top: 2px solid #17385f;
  border-bottom: 1px solid #d7e0e8;
}

.eppic-env-row {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  align-items: stretch;
  border-bottom: 1px solid #d7e0e8;
}

.eppic-env-row:last-child {
  border-bottom: 0;
}

.eppic-env-label {
  box-sizing: border-box;
  padding: 18px 20px;
  background: #eef5f9;
  color: #0d2742;
  font-size: 13px;
  font-weight: bold;
  line-height: 1.6;
}

.eppic-env-detail {
  box-sizing: border-box;
  padding: 17px 22px;
  background: #fff;
  color: #424b54;
  font-size: 13px;
  line-height: 1.9;
}

/* Click-to-enlarge images */
#content img.eppic-modal-enabled {
  cursor: zoom-in;
}

.eppic-image-modal {
  position: fixed;
  z-index: 10000;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 44px;
  background: rgba(5, 16, 30, 0.88);
}

.eppic-image-modal.is-open {
  display: flex;
}

.eppic-image-modal-inner {
  position: relative;
  max-width: min(94vw, 1500px);
  max-height: 90vh;
}

.eppic-image-modal-image {
  display: block;
  max-width: 100%;
  max-height: 90vh;
  width: auto;
  height: auto;
  box-shadow: 0 12px 38px rgba(0, 0, 0, 0.38);
}

.eppic-image-modal-close {
  position: absolute;
  top: -38px;
  right: -4px;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 50%;
  background: rgba(0,0,0,.28);
  cursor: pointer;
}

.eppic-image-modal-close:before,
.eppic-image-modal-close:after {
  content: "";
  position: absolute;
  top: 15px;
  left: 8px;
  width: 16px;
  height: 2px;
  background: #fff;
}

.eppic-image-modal-close:before { transform: rotate(45deg); }
.eppic-image-modal-close:after { transform: rotate(-45deg); }

body.eppic-modal-open {
  overflow: hidden;
}

@media screen and (max-width: 740px) {
  .eppic-visual-section.is-static-grid .eppic-visual-track {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .eppic-feature-image-stack {
    margin-top: 30px;
  }

  .eppic-feature-media-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .eppic-feature-image-stack-item.is-ui-image {
    padding: 14px 14px 0;
  }

  .eppic-feature-image-stack-item.is-ui-image .eppic-visual-caption {
    margin-left: -14px;
    margin-right: -14px;
  }

  .eppic-env-row {
    grid-template-columns: 1fr;
  }

  .eppic-env-label {
    padding: 13px 15px;
  }

  .eppic-env-detail {
    padding: 12px 15px 15px;
  }

  .eppic-image-modal {
    padding: 38px 14px 18px;
  }
}

/* Keep FEATURE 01-03 labels on one line in the unified feature list. */
.eppic-feature-list-all .eppic-subfeature-item {
  grid-template-columns: 82px minmax(0, 1fr);
}

.eppic-feature-list-all .eppic-subfeature-no {
  white-space: nowrap;
}

@media screen and (max-width: 740px) {
  .eppic-feature-list-all .eppic-subfeature-item {
    grid-template-columns: 76px minmax(0, 1fr);
  }
}

/* Image and movie: two independent cards at the same width as the example grid above. */
.eppic-feature-image-stack.eppic-feature-media-pair {
  width: 100%;
}
.eppic-feature-media-pair .eppic-feature-media-row {
  gap: 18px;
}
.eppic-feature-media-pair .eppic-feature-image-stack-item {
  min-width: 0;
  margin-bottom: 0;
}
.eppic-feature-media-pair video {
  display: block;
  width: 100%;
  height: auto;
}
@media screen and (max-width: 740px) {
  .eppic-feature-media-pair .eppic-feature-media-row {
    gap: 14px;
  }
}