@charset "UTF-8";
/*----------------------------------------------------------
更新日：2026年06月02日
-------------------------------------------------------------*/
/*==============================
  操作パネル非表示
==============================*/
#wpadminbar {
  display: none !important;
}
/* 管理バー分の余白を消す */
html {
  margin-top: 0 !important;
}
/*==============================
  カラーテーマ
==============================*/
:root {
  --color-bg: rgba(12, 12, 30, 1);
  --color-accent: #2563eb;
  --color-accent-dark: #066b43;
  --color-border: #f2f2f2;
  --color-red-accent: #c61619;
  --color-solid-yellow: rgba(239, 237, 38, 0.2);
  --gradient-main: linear-gradient(145deg, #b4a764 0%, #cdc390 50%, #cdc390 100%);
  --gradient-orange: linear-gradient(60deg, #ff1510 0%, #f15031 40%, #ff7f1b 100%);
}
/*==============================
  基本設定
==============================*/
html {
  scroll-behavior: smooth;
}
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
}
.breadcrumbs {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  left: 0;
  right: 0;
  padding: 0.5em 0 0;
}
section {
  position: relative;
}
h1, h2, h3, h4, h5, h6 {
  line-height: 1.5;
}
.text-center {
  text-align: center;
  position: relative;
}
/*==============================
  汎用コンポーネント
==============================*/
/* 見出し */
.section-sub {
  font-size: 2.5em;
  font-weight: bold;
  color: #d3cfba;
  margin: 0 0 5px 0;
  letter-spacing: 0.1em;
}
.section-sub::after {
  content: "";
  display: block;
  width: 2em;
  height: 2px;
  background-color: #d3cfba;
  margin: 0 auto;
}
.title {
  font-size: 1.5em;
  font-weight: bold;
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  .pconly {
    display: none;
  }
  .breadcrumbs {
    top: 70px;
  }
  .container {
    padding: 0 2.5%;
  }
  .header .container, .breadcrumbs {
    width: 95%;
  }
  .section-sub {
    font-size: 2em;
  }
}
/* レスポンシブ設定 (PC) */
@media only screen and (min-width: 769px) {
  .sponly {
    display: none;
  }
  #hamburger-button {
    display: none;
  }
  .card li {
    flex-direction: row;
    align-items: center;
    gap: 2em;
  }
}
/* レスポンシブ設定 (Tab) */
@media (min-width: 769px) and (max-width: 1079px) {
  .breadcrumbs {
    top: 70px;
  }
  .container, .breadcrumbs {
    padding: 0 2.5%;
  }
  .cta-container, .header .container {
    width: 95%;
  }
}
/*==============================
  ヘッダー
==============================*/
.header {
  background-color: var(--color-bg);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  width: 100%;
  height: 70px;
  z-index: 999;
  transition: background-color 0.3s ease;
}
.header .logo-image {
  width: 1.6em;
  margin-right: 10px;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0;
}
.header-title a {
  display: inline-flex;
  align-items: center;
  font-weight: bold;
  font-size: 1.5em;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  transform: translateY(0);
  transition: all 0.3s ease;
}
.header-title a:hover {
  transform: translateY(-3px);
  opacity: 0.8;
}
.btn-icon {
  width: 1.8em;
  margin-right: 0.2em;
}
.btn-primary {
  background: var(--gradient-main);
  display: inline-flex;
  align-items: start;
  gap: 0.2em;
  padding: 0.4em 1.5em;
  transition: all 0.3s ease;
  border-radius: 9999px;
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  .header-title a {
    font-size: 1.2em;
  }
}
/*==============================
  メニュー
==============================*/
/* --- ヘッダーメニュー共通 --- */
.nav-menu {
  top: 70px;
  left: 0;
  width: 100%;
  background: #fff;
  flex-direction: column;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  z-index: 998;
}
.nav-menu.active {
  display: flex;
}
.nav-menu a {
  display: block;
  color: var(--color-bg);
  font-weight: bold;
  border-bottom: 1px solid var(--color-border);
}
.nav-menu .contact-wrapper {
  padding: 1em;
}
/* PC用スタイル (769px以上) */
@media only screen and (min-width: 769px) {
  .nav-menu {
    position: static;
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: 2em;
    background: transparent;
    box-shadow: none;
    width: auto;
  }
  .nav-menu a {
    color: #fff;
    border-bottom: none;
  }
  .nav-menu .contact-wrapper {
    padding: 0;
  }
  .nav-menu a:hover {
    opacity: 0.5;
    transition: 0.3s;
  }
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  #hamburger-button {
    display: grid;
    grid-template-rows: 1fr 1fr 1fr;
    align-items: center;
    width: 50px;
    height: 30px;
    border: none;
    background: transparent;
    cursor: pointer;
    z-index: 1001;
  }
  #hamburger-button .bar {
    grid-column: 1;
    width: 100%;
    height: 4px;
    background-color: var(--color-border);
    border-radius: 2px;
    transition: all 0.4s ease;
    transform-origin: center;
  }
  #hamburger-button .bar:nth-child(1) { grid-row: 1; }
  #hamburger-button .bar:nth-child(2) { grid-row: 2; }
  #hamburger-button .bar:nth-child(3) { grid-row: 3; }
  #hamburger-button.active .bar {
    grid-row: 2;
  }
  #hamburger-button.active .bar:nth-child(1) { transform: rotate(45deg); }
  #hamburger-button.active .bar:nth-child(2) { opacity: 0; }
  #hamburger-button.active .bar:nth-child(3) { transform: rotate(-45deg); }
  #mobile-menu {
    font-weight: bold;
    background: #fff;
    border-top: 1px solid var(--color-border);
    text-align: center;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
  }
  #mobile-menu a {
    display: block;
    padding: 1em;
    border-bottom: 1px solid var(--color-border);
  }
  #mobile-menu .btn-primary {
    color: var(--color-border);
  }
  #mobile-menu a:hover {
    background: var(--color-bg);
  }
  #mobile-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}
/*==============================
  heroセクション
==============================*/
.hero-bg {
  position: relative;
  height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-background-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
}
.hero-bg video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: 0;
  transform: translate(-50%, -50%);
  object-fit: cover;
}
.hero-bg .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}
.hero-bg .container {
  z-index: 2;
  color: #fff;
}
.hero-title-multiline {
  font-size: 2.4em;
  font-weight: bold;
  color: #000;
  text-align: left;
  margin: 0;
  line-height: 1.5;
  letter-spacing: 0.01em;
}
.hero-title-line {
  display: inline-block;
  margin-bottom: 0.2em;
  padding: 0.1em 0.8em 0.15em;
  background-color: var(--color-solid-yellow);
  background-image: var(--gradient-main);
  background-size: 0% 100%;
  background-repeat: no-repeat;
  animation: reveal-bg 0.3s ease-out forwards;
}
.hero-title-line.line-1 { animation-delay: 0.4s; }
.hero-title-line.line-2 { animation-delay: 0.7s; }
.hero-title-line.line-3 { animation-delay: 1.0s; }

/*==============================
  キャンペーン・CTAボタン用設定
==============================*/
.cta-container {
  position: absolute;
  bottom: -2em;
  left: 0;
  right: 0;
  margin: 0 auto;
  max-width: 1080px;
  width: 100%;
  z-index: 100;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  animation: herobtn 1s ease-out 0.8s forwards;
  transition: transform 0.3s ease; /* ホバー用 */
}
.cta-container:hover {
  transform: translateY(-5px) !important;
}
.cta-container:hover .cta-banner {
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}
.cta-banner {
  font-size: 1.5em;
  font-weight: bold;
  display: flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  background: var(--gradient-main);
  color: #fff;
  padding: 0.5em 0em;
  border-radius: 9999px;
  width: 100%;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  transition: box-shadow 0.3s ease;
}
.campaign-banner {
  position: absolute;
  bottom: 2.5em;
  right: 5em;
  width: 17em;
  z-index: 105;
  pointer-events: none;
  animation: floatUpDown 3s ease-in-out infinite;
}
.campaign-banner img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
}
.cta-text {
  font-weight: 500;
}
.cta-button, .btn-secondary {
  display: inline-block;
  background-color: #fff;
  padding: 0.5em 2em;
  border-radius: 50px;
  transition: all 0.3s ease;
}
.cta-button span, .btn-secondary span {
  white-space: nowrap;
  font-weight: bold;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.cta-button:hover, .btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  .hero-bg video {
    height: 100%;
  }
  .cta-banner {
    font-size: 1em;
    width: 95%;
    padding: 1em;
    margin: 0 auto;
    display: flex;
  }
  .campaign-banner {
    width: 12em;
    right: auto !important;  
    left: 50% !important;    
    transform: translateX(-50%);
    bottom: 4.5em;        
    animation: floatUpDownSP 3s ease-in-out infinite;
  }
  .cta-text {
    margin-bottom: 0.5em;
    display: block;
  }
  .cta-button {
    width: 100%;
    text-align: center;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
  }
  .hero-title-multiline {
    font-size: 1.3em;
    padding-left: 0;
    line-height: 2.0;
    text-align: center;
  }
  .hero-title-line {
    padding: 0.1em 0.5em;
    white-space: nowrap;
  }
}
/*==============================
  aboutセクション
==============================*/
#about {
  padding-top: 8em;
}
#about h2 {
  font-size: 1.5em;
  font-weight: bold;
  color: #000;
  margin: 0.5em 0;
}
#about .description {
  font-size: 0.875em;
  line-height: 1.8;
  color: #333;
}
#about .about-content {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  margin-top: 4em;
}
#about .about-image-wrapper {
  flex: initial;
  width: 100%;
}
#about .image-container {
  position: relative;
  width: 100%;
}
#about .about-img {
  width: 100%;
  height: auto;
  display: block;
}
.bbox {
  position: absolute;
  border: 3px solid #df0193;
  border-radius: 1px;
  box-shadow: 0 0 8px rgba(255, 0, 255, 0.6), inset 0 0 8px rgba(255, 0, 255, 0.4);
  opacity: 0;
  transform: scale(0.9);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.bbox-helmet { top: 6%; left: 44.6%; width: 9.5%; height: 6%; }
.bbox-goggle { top: 12.5%; left: 44.6%; width: 9.5%; height: 4%; }
.bbox-vest { top: 21%; left: 39.5%; width: 21%; height: 20%; }
.bbox-glove-l { top: 42.2%; left: 36.9%; width: 7%; height: 10%; }
.bbox-glove-r { top: 44.2%; left: 58%; width: 7%; height: 10%; }

.about-list-wrapper {
  flex: initial;
  width: 100%;
  padding-left: 1em;
  box-sizing: border-box;
}
.gear-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4em;
}
.gear-list li {
  text-align: left;
}
.gear-item {
  display: flex;
  align-items: center;
  background-color: #fff;
  color: #333;
  border: 2px solid #009999;
  padding: 10px 22px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.2s ease, transform 0.1s ease;
}
.gear-item:hover {
  opacity: 0.9;
}
.gear-item:active {
  transform: scale(0.96);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}
.checkbox-icon {
  position: relative;
  display: block;
  width: 1.5em;
  height: 1.5em;
  background-color: transparent;
  border: 2px solid #575757;
  border-radius: 1px;
  margin-right: 15px;
  box-sizing: border-box;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.checkbox-icon::after {
  content: "";
  position: absolute;
  left: 9px;
  top: -9px;
  width: 0.8em;
  height: 1.5em;
  border: solid #009999;
  border-width: 0 4px 4px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.gear-name {
  font-size: 1.2em;
  font-weight: bold;
  letter-spacing: 0.1em;
  flex-grow: 1;
}
.gear-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3em;
  height: 3em;
}
.gear-icon img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.gear-item.active {
  background-color: #009999;
  color: #fff;
  border-color: #009999;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.gear-item.active .checkbox-icon {
  background-color: #575757;
  border-color: #575757;
}
.gear-item.active .checkbox-icon::after {
  border-color: #fff;
  transform: rotate(45deg) scale(1);
}
.bbox.active {
  opacity: 1;
  transform: scale(1);
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  #about {
    padding-top: 4em;
  }
  #about h2 {
    font-size: 1.2em;
  }
  #about .description {
    text-align: left;
  }
  #about .about-content {
    flex-direction: column;
    margin-top: 2em;
  }
  .about-image-wrapper, .about-list-wrapper {
    width: 100%;
    max-width: 100%;
  }
  .about-list-wrapper {
    padding: 0;
    margin-top: -2em;
  }
  .gear-name {
    font-size: 1em;
  }
  .gear-item {
    padding: 2px 22px;
  }
  .checkbox-icon {
    width: 1.3em;
    height: 1.3em;
  }
  .checkbox-icon::after {
    left: 9px;
    top: -7px;
    width: 0.6em;
    height: 1.3em;
  }
}
/* -------------------------
  solutionセクション
-------------------------- */
#solution {
  padding: 0 0 5em;
  position: relative;
  z-index: 1;
  scroll-margin-top: 80px;
}
#solution h2 {
  font-size: 1.5em;
  font-weight: bold;
  color: #000;
  margin: 0.5em 0;
}
.feature-box {
  width: 100%;
  margin: 2em auto 4em;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.feature-label {
  font-size: 1.2em;
  font-weight: bold;
  color: #df0193;
  margin: 0 0 4px 0;
}
.feature-label::before { content: "\\\\ "; font-weight: normal; }
.feature-label::after { content: " //"; font-weight: normal; }

.feature-container {
  display: flex;
  align-items: flex-start;
  border: 1px solid #b3b3b3;
  padding: 2em;
  gap: 2em;
}
.feature-img-wrapper {
  flex: 1;
}
.feature-img-wrapper img {
  width: 100%;
  display: block;
}
.feature-text-wrapper {
  flex: 1;
}
.feature-text-wrapper h3 {
  font-size: 1.5em;
  font-weight: bold;
  line-height: 1.5;
  margin: 0 0 1em 0;
  text-align: left;
}
.feature-text-wrapper p {
  font-size: 0.875em;
  line-height: 1.8;
  margin: 0;
  text-align: left;
}
.feature-box.is-reverse {
  align-items: flex-end;
}
.feature-box.is-reverse .feature-container {
  flex-direction: row-reverse;
}
#solution .container {
  position: relative;
  z-index: 2;
}
#solution .highlight-band {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  font-weight: bold;
  color: #fff;
  font-size: 2.6em;
  padding: 0.1em 0.6em 0.2em;
  background-color: var(--color-solid-yellow);
  background-image: var(--gradient-main);
  background-size: 0% 100%;
  background-repeat: no-repeat;
  animation: reveal-bg 0.3s ease-out 0.5s forwards;
  transform: skewX(-15deg);
  position: absolute;
  top: -0.5em;
  left: 50%;
  transform: translate(-50%, -30%) skewX(-15deg);
  margin: 0;
  text-align: center;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  white-space: nowrap;
  z-index: 10;
}
.solution-visual-block {
  width: 100%;
  margin: 10em auto 0;
  position: relative;
}
.visual-top-wrapper {
  position: relative;
  width: 100%;
}
.visual-hero-img {
  width: 100%;
  height: auto;
  display: block;
}
.visual-top-wrapper .highlight-band span {
  display: inline-block;
  font-size: 1.1em;
}
.visual-bottom-container {
  background: var(--gradient-orange);
  padding: 60px 60px 0px;
  margin-top: -5px;
  box-sizing: border-box;
}
.visual-lead-text {
  color: #fff;
  font-size: 1em;
  font-weight: bold;
  margin-bottom: 4em;
  text-align: center;
}
.visual-card-grid {
  display: flex;
  justify-content: center;
  gap: 6em;
}
.visual-white-card {
  flex: 1;
  background-image: radial-gradient(circle at top center, transparent 26px, #fff 27px);
  background-color: transparent;
  border-radius: 16px;
  padding: 4em 2em 2em;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
  margin-bottom: -120px;
  z-index: 5;
}
.card-badge-exclamation {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2em;
  height: 2em;
  background-color: transparent;
  color: #fff;
  font-size: 2.5em;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 2;
}
.visual-white-card h3 {
  font-size: 1.5em;
  font-weight: bold;
  color: #000;
  margin: 0 0 1em 0;
}
.card-icon {
  width: 4em;
  height: 4em;
  margin-bottom: 1em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-icon img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.card-desc {
  font-size: 0.875em;
  line-height: 1.6;
  color: #333;
  text-align: left;
  margin: 0 0 2em 0;
}
.card-arrows {
  color: #f25533;
  font-size: 1em;
  font-family: sans-serif;
  line-height: 0.4;
  margin: 1em 0 2em;
  text-align: center;
}
.card-arrows span {
  display: block;
  opacity: 0;
  animation: arrow-sequential-show 2s infinite linear;
}
.card-arrows span:nth-child(1) { animation-delay: 0s; }
.card-arrows span:nth-child(2) { animation-delay: 0.3s; }
.card-arrows span:nth-child(3) { animation-delay: 0.6s; }

.card-result-box p {
  font-size: 1.5em;
  line-height: 1.4;
  font-weight: bold;
}
.solution-footer-cta {
  text-align: center;
  margin: 12em auto 0;
}
.solution-footer-cta .cta-message {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 25px;
  background: var(--gradient-orange);
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.btn-visual-cta {
  display: inline-block;
  background: linear-gradient(145deg, #b4a764 0%, #cdc390 50%, #cdc390 100%);
  padding: 0.8em 2em;
  border-radius: 9999px;
  box-shadow: 0 4px 15px rgba(180, 167, 100, 0.3);
  transition: transform 0.3s ease, box-shadow 0.2s ease;
}
.btn-visual-cta span {
  color: #fff;
  font-weight: bold;
  font-size: 1em;
}
.btn-visual-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(180, 167, 100, 0.4);
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  #solution {
    margin-top: 4em;
    padding-bottom: 2em;
  }
  #solution h2 {
    font-size: 1.2em;
  }
  .feature-box {
    margin: 1em auto 2em;
    padding: 0 15px;
  }
  .feature-box.is-reverse .feature-label {
    margin: 0 0 4px 15px;
  }
  .feature-container, .feature-box.is-reverse .feature-container {
    flex-direction: column;
    gap: 20px;
    padding: 20px;
  }
  .feature-img-wrapper, .feature-text-wrapper {
    width: 100%;
    max-width: 100%;
  }
  .feature-text-wrapper h3 {
    font-size: 1em;
    margin-bottom: 10px;
  }
  .solution-visual-block {
    margin-top: 5em;
  }
  #solution .highlight-band{
    font-size: 1.2em;
    padding: 0.4em 0.6em;
  }
  .visual-bottom-container {
    padding: 2em 1em;
  }
  .visual-lead-text {
    font-size: 0.875em;
    margin-bottom: 2em;
    text-align: left;
  }
  .visual-card-grid {
    flex-direction: column;
    gap: 10em;
  }
  .visual-white-card h3 {
    font-size: 1.2em;
  }
  .visual-white-card {
    max-width: 100%;
    padding: 4em 2em 2em;
  }
  .card-desc {
    min-height: unset;
  }
  .solution-footer-cta .cta-message {
    font-size: 1.2em;
  }
  .solution-footer-cta{
    margin: 8em auto 0;
  }
  .card-result-box p {
    font-size: 1.2em;
    text-align: center;
  }
  .btn-visual-cta {
    width: 85%;
    padding: 12px 0;
  }
}
/*==============================
  flowセクション
==============================*/
#flow {
  scroll-margin-top: 80px;
  margin-bottom: 8em;
}
#flow h2 {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 0.8em;
}
/* --- タブのデザイン --- */
.tabs-container {
  max-width: 100%;
  margin: 4em 0 0;
}
.tabs-nav {
  display: flex;
  border: none;
  margin-bottom: 0;
  padding: 0;
  justify-content: center;
  position: relative;
  z-index: 10;
}
.tab-button {
  flex: none;
  min-width: 50%;
  background: #e2e8f0;
  color: #475569;
  border: 1px solid #cbd5e1;
  padding: 0.9em 2em;
  border-radius: 2px 2px 0 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.25em;
  transition: all 0.3s;
  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.05);
}
.tab-button.active {
  border-bottom-color: #fff;
  position: relative;
  bottom: -1px;
  z-index: 1;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.tab-content {
  border-radius: 0 0 2px 2px;
  border: 1px solid #cbd5e1;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}
.tab-content.hidden {
  display: none;
}
.flow-steps {
  margin: 2em 0;
}
/* --- 各ステップ --- */
.flow-step {
  width: 90%;
  position: relative;
  display: flex;
  justify-content: space-between;
  padding: 2.5em 0;
  margin: 0 auto;
  border-bottom: 1px dashed #e0e0e0;
  align-items: center;
}
.flow-step:last-child {
  border-bottom: none;
}
.flow-step__content {
  display: flex;
  width: 70%;
}
/* --- ステップ番号 --- */
.flow-step__number {
  font-weight: bold;
  font-size: 5em;
  line-height: 0.9;
  margin-right: 0.5em;
  font-family: "DIN", "DIN Alternate", "DIN Condensed", sans-serif;
  position: relative;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.1em;
  align-items: center;
}
.flow-step__number::before {
  content: "STEP";
  font-weight: bold;
  font-size: 0.5em;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.flow-step__text-wrapper {
  width: 70%;
  text-align: left;
}
.flow-step__title {
  font-size: 1.25em;
  font-weight: bold;
  margin-bottom: 0.8em;
}
.flow-step__text {
  line-height: 1.5;
}
.flow-step__image {
  width: 30%;
}
.flow-step__image img {
  width: 100%;
  height: 10em;
  object-fit: cover;
  object-position: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  #flow {
    padding: 1em 1em 3em 1em;
    margin-bottom: 2em;
  }
  #flow h2 {
    font-size: 1.2em;
  }
  .tabs-nav {
    gap: 0.5em;
  }
  .tab-button {
    flex: 1 1 auto;
    min-width: unset;
    font-size: 1em;
    padding: 0.7em 1.2em;
  }
  .flow-step__text-wrapper {
    width: 75%;
  }
  .flow-steps {
    margin: 0;
  }
  .flow-step {
    display: block;
    grid-template-columns: 1fr;
    gap: 1.5em;
    padding-top: 2em;
    padding-bottom: 2em;
  }
  .flow-step:nth-child(even) .flow-step__content {
    grid-column: 1 / 2;
    text-align: left;
    justify-content: flex-start;
  }
  .flow-step:nth-child(even) .flow-step__image {
    grid-column: 1 / 2;
    grid-row: auto;
  }
  .flow-step__content, .flow-step__image {
    width: 100%;
  }
  .flow-step__image img {
    margin-top: 1em;
  }
  .flow-step__number {
    font-size: 3.6em;
    justify-content: flex-start;
    width: 25%;
    margin: 0;
    align-items: baseline;
  }
  .flow-step__title {
    font-size: 1em;
  }
  .flow-step__text {
    font-size: 0.875em;
  }
}
/*==============================
  supportセクション
==============================*/
#support {
  background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url("../img/one-worker-monitoring/img_camera.png");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  color: #fff;
  padding: 6em 0;
}
#support h2 {
  color: #fff;
  margin-bottom: 0.8em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}
#support p {
  max-width: 800px;
  font-weight: bold;
  margin: 0 auto;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  #support {
    padding: 3em 0;
  }
  #support h2 {
    font-size: 1.2em;
    margin-bottom: 0.5em;
  }
  #support p {
    text-align: left;
    line-height: 1.5;
    font-weight: 100;
    font-size: 0.875em;
  }
}
/*==============================
  faqセクション
==============================*/
#faq {
  padding: 6em 0;
}
#faq .faq-list {
  margin: 3em auto 0;
  border-top: 1px solid var(--color-border);
  text-align: left;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.5em 0;
}
.faq-item .faq-question span, .faq-item .faq-answer span {
  font-weight: bold;
  margin-right: 0.5em;
  letter-spacing: 2px;
}
.faq-item .faq-question span {
  color: var(--color-accent); /* 変数タイポを修正 */
}
.faq-item .faq-answer span {
  color: var(--color-red-accent);
}
.faq-question {
  font-size: 1.25em;
  font-weight: 500;
  position: relative;
  padding-right: 2.5em;
  cursor: pointer;
  margin: 0;
}
.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%) rotate(0deg);
  font-size: 2.6em;
  color: #94a3b8;
  transition: transform 0.3s ease;
  width: 1em;
  height: 1em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.faq-question.open::after {
  content: "+";
  transform: translateY(-50%) rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}
.faq-answer p {
  font-size: 1.25em;
  font-weight: 500;
  padding-right: 3em;
  line-height: 1.7;
  max-width: none;
  margin: 1em 0;
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  #faq {
    padding: 3em 0;
  }
  #faq h2 {
    font-size: 1.2em;
  }
  .faq-item {
    padding: 1.5em 0 1.5em 1em;
  }
  .faq-question {
    font-size: 1em;
  }
  .faq-question::before {
    left: -1.7em;
  }
  .faq-answer p {
    font-size: 1em;
    margin: 1em 0 0;
  }
}
/*==============================
  resourceセクション
==============================*/
.faq-title {
  border-left: 5px solid #009999;
}
.table-responsive{
  margin-bottom: 0.5em;
}
.resource-table th {
  background-color: #009999;
  border: 1px solid #009999;
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  .resource-container {
    padding: 1em 1em 3em 1em;
  }
}
/*==============================
  contactセクション
==============================*/
#contact {
  text-align: center;
  padding: 5em 0;
  background-image: var(--gradient-main);
  color: #fff;
}
#contact h2 {
  color: #fff;
  margin-bottom: 0.8em;
}
#contact p {
  margin: 0 auto 1em;
}
/* レスポンシブ設定 (SP) */
@media only screen and (max-width: 768px) {
  #contact {
    padding: 3em 0;
  }
  #contact h2 {
    font-size: 1.2em;
  }
  #contact p {
    line-height: 1.5;
  }
}
/*==============================
  アニメーション定義
==============================*/
@keyframes reveal-bg {
  from { background-size: 0% 100%; }
  to { background-size: 100% 100%; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes herobtn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
@keyframes arrow-sequential-show {
  0% { opacity: 0; transform: translateY(-8px); }
  20% { opacity: 1; transform: translateY(0); }
  60% { opacity: 1; }
  80%, 100% { opacity: 0; transform: translateY(0); }
}
@keyframes floatUpDown {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}
@keyframes floatUpDownSP {
  0%, 100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, -10px);
  }
}