/* =============================================
   index.css - グローバルリセット・変数
   ============================================= */
:root {
  --primary: #0D5AC5;
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  color: #3D3A2E;
}

/* =============================================
   App.css - メインレイアウト
   ============================================= */
.app {
  width: 100%;
  min-height: 100vh;
  background-image: url('./images/common/BG02.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  position: relative;
  overflow-x: hidden;
}

.main-layout {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

.sidebar-logo-container { width: 100%; }
.sidebar-logo { width: 100%; height: auto; display: block; }
.top-logo-area { display: none; }

@media (min-width: 1200px) {
  .main-layout {
    width: 100%;
    margin: 0 auto;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
  .top-logo-area {
    display: block;
    position: fixed;
    top: 40px;
    left: 40px;
    z-index: 200;
  }
  .sidebar-area {
    display: flex;
    flex-direction: column;
    padding: 0;
    width: 380px;
    position: fixed;
    top: 0;
    height: 100vh;
    justify-content: center;
    align-items: center;
    z-index: 100;
    left: calc((100vw - 393px) / 4 - 190px);
  }
  .star-music-logo { width: 120px; height: auto; object-fit: contain; }
  .sidebar-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
  }
  .sidebar-center .sidebar-logo-container { margin-bottom: 40px; }
  .sidebar-center .sidebar-buttons { margin-bottom: 16px; }
  .sidebar-center .sidebar-green-button { margin-bottom: 40px; }
  .mobile-navigation { display: none; }
  .content-area {
    width: 100%;
    max-width: 393px;
    background-color: #0A489D;
    position: relative;
    z-index: 10;
    margin: 40px auto 0 auto;
    border-radius: 40px 40px 0 0;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(0,0,0,0.5);
  }
}

@media (min-width: 431px) and (max-width: 1199px) {
  .main-layout { flex-direction: column; align-items: center; }
  .sidebar-area { display: none !important; }
  .mobile-navigation { display: block; width: 100%; }
  .content-area {
    width: 100%;
    max-width: 430px;
    background-color: #0A489D;
    margin: 0 auto;
    position: relative;
    z-index: 10;
  }
}

@media (max-width: 430px) {
  .main-layout { flex-direction: column; }
  .sidebar-area { display: none !important; }
  .mobile-navigation { display: block; width: 100%; }
  .content-area { width: 100%; background-color: #0A489D; margin: 0; }
}

.sidebar-buttons { display: flex; flex-direction: row; gap: 16px; width: 100%; }

.sidebar-white-button {
  display: flex;
  flex: 1;
  justify-content: center;
  align-items: center;
  padding: 16px 0;
  background: #FFFFFF;
  border: 3px solid #26241B;
  box-shadow: 3px 3px 0px 0px rgba(38,36,27,1);
  border-radius: 9999px;
  text-decoration: none;
  color: #3D3A2E;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 18px;
  transition: transform 0.2s;
  white-space: nowrap;
  cursor: pointer;
}
.sidebar-white-button:hover { transform: translate(-2px,-2px); box-shadow: 5px 5px 0px 0px rgba(38,36,27,1); }

.sidebar-green-button {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 20px 24px;
  background: #06C755;
  border: 3px solid #26241B;
  box-shadow: 3px 3px 0px 0px rgba(38,36,27,1);
  border-radius: 9999px;
  text-decoration: none;
  color: #FFFFFF;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 18px;
  transition: transform 0.2s;
  white-space: nowrap;
  cursor: pointer;
}
.sidebar-green-button:hover { transform: translate(-2px,-2px); box-shadow: 5px 5px 0px 0px rgba(38,36,27,1); }
.sidebar-green-button .line-icon { width: 24px; height: 24px; }

.sidebar-footer-links { display: flex; flex-direction: column; gap: 16px; align-items: center; }
.sidebar-footer-link { color: #FFFFFF; font-size: 16px; text-decoration: none; font-family: 'Inter', sans-serif; }
.sidebar-footer-link:hover { text-decoration: underline; }

.main-content { flex: 1; width: 100%; }

.unified-section {
  position: relative;
  overflow: hidden;
  background-color: #ffffff;
  width: 100%;
}

/* =============================================
   animations.css - アニメーション
   ============================================= */
.fade-in-up {
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.js .fade-in-up {
  opacity: 0;
  transform: translateY(30px);
}
.js .fade-in-up.is-visible { opacity: 1; transform: translateY(0); }
.fade-in-up.delay-1 { transition-delay: 0.1s; }
.fade-in-up.delay-2 { transition-delay: 0.2s; }
.fade-in-up.delay-3 { transition-delay: 0.3s; }
.fade-in-up.delay-4 { transition-delay: 0.4s; }
.fade-in-up.delay-5 { transition-delay: 0.5s; }
.fade-in-up.delay-6 { transition-delay: 0.6s; }

.shooting-stars-container {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.shooting-star {
  position: absolute;
  width: 180px; height: auto;
  opacity: 0;
  animation: shootingStar 4s linear infinite;
}
.shooting-star:nth-child(1) { top:5%; left:15%; width:140px; animation-delay:0s; animation-duration:3.5s; }
.shooting-star:nth-child(2) { top:15%; left:55%; width:170px; animation-delay:1.2s; animation-duration:4s; }
.shooting-star:nth-child(3) { top:25%; left:30%; width:120px; animation-delay:2.5s; animation-duration:3.8s; }
.shooting-star:nth-child(4) { top:35%; left:70%; width:150px; animation-delay:0.8s; animation-duration:4.2s; }
.shooting-star:nth-child(5) { top:50%; left:10%; width:110px; animation-delay:3s; animation-duration:3.6s; }
.shooting-star:nth-child(6) { top:60%; left:45%; width:140px; animation-delay:1.8s; animation-duration:4.5s; }
.shooting-star:nth-child(7) { top:75%; left:25%; width:130px; animation-delay:4s; animation-duration:3.9s; }

@keyframes shootingStar {
  0% { opacity:0; transform:translate(0,0); }
  10% { opacity:1; }
  70% { opacity:1; }
  100% { opacity:0; transform:translate(-200px,200px); }
}

.floating-dots-container {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.floating-dot { position:absolute; width:15px; height:auto; opacity:0.6; animation:floatingDot 4s ease-in-out infinite; }
.floating-dot:nth-child(1){top:8%;left:5%;width:10px;opacity:0.5;animation-delay:0s;animation-duration:4s;}
.floating-dot:nth-child(2){top:15%;left:25%;width:18px;opacity:0.7;animation-delay:0.5s;animation-duration:4.5s;}
.floating-dot:nth-child(3){top:5%;left:45%;width:8px;opacity:0.4;animation-delay:1s;animation-duration:3.5s;}
.floating-dot:nth-child(4){top:20%;left:65%;width:22px;opacity:0.6;animation-delay:1.5s;animation-duration:5s;}
.floating-dot:nth-child(5){top:12%;left:85%;width:12px;opacity:0.5;animation-delay:0.8s;animation-duration:4.2s;}
.floating-dot:nth-child(6){top:35%;left:10%;width:20px;opacity:0.7;animation-delay:2s;animation-duration:4.8s;}
.floating-dot:nth-child(7){top:45%;left:35%;width:14px;opacity:0.5;animation-delay:0.3s;animation-duration:3.8s;}
.floating-dot:nth-child(8){top:40%;left:75%;width:25px;opacity:0.8;animation-delay:1.2s;animation-duration:5.2s;}
.floating-dot:nth-child(9){top:55%;left:20%;width:16px;opacity:0.6;animation-delay:2.5s;animation-duration:4.3s;}
.floating-dot:nth-child(10){top:65%;left:50%;width:10px;opacity:0.4;animation-delay:0.7s;animation-duration:3.6s;}
.floating-dot:nth-child(11){top:60%;left:80%;width:18px;opacity:0.6;animation-delay:1.8s;animation-duration:4.6s;}
.floating-dot:nth-child(12){top:75%;left:8%;width:12px;opacity:0.5;animation-delay:3s;animation-duration:4s;}
.floating-dot:nth-child(13){top:80%;left:40%;width:20px;opacity:0.7;animation-delay:0.4s;animation-duration:5s;}
.floating-dot:nth-child(14){top:85%;left:70%;width:8px;opacity:0.4;animation-delay:2.2s;animation-duration:3.5s;}
.floating-dot:nth-child(15){top:90%;left:90%;width:15px;opacity:0.55;animation-delay:1.6s;animation-duration:4.4s;}
.floating-dot:nth-child(16){top:3%;left:12%;width:6px;opacity:0.4;animation-delay:0.2s;animation-duration:3.8s;}
.floating-dot:nth-child(17){top:10%;left:38%;width:14px;opacity:0.6;animation-delay:1.4s;animation-duration:4.6s;}
.floating-dot:nth-child(18){top:7%;left:72%;width:10px;opacity:0.5;animation-delay:2.8s;animation-duration:4.1s;}
.floating-dot:nth-child(19){top:18%;left:92%;width:8px;opacity:0.45;animation-delay:0.6s;animation-duration:3.7s;}
.floating-dot:nth-child(20){top:25%;left:3%;width:12px;opacity:0.55;animation-delay:1.9s;animation-duration:4.3s;}
.floating-dot:nth-child(21){top:28%;left:48%;width:16px;opacity:0.65;animation-delay:3.2s;animation-duration:5.1s;}
.floating-dot:nth-child(22){top:22%;left:82%;width:7px;opacity:0.4;animation-delay:0.9s;animation-duration:3.6s;}
.floating-dot:nth-child(23){top:32%;left:28%;width:11px;opacity:0.5;animation-delay:2.1s;animation-duration:4.4s;}
.floating-dot:nth-child(24){top:38%;left:58%;width:18px;opacity:0.7;animation-delay:0.4s;animation-duration:4.9s;}
.floating-dot:nth-child(25){top:42%;left:92%;width:9px;opacity:0.45;animation-delay:1.7s;animation-duration:3.9s;}
.floating-dot:nth-child(26){top:48%;left:6%;width:13px;opacity:0.55;animation-delay:2.6s;animation-duration:4.5s;}
.floating-dot:nth-child(27){top:52%;left:42%;width:8px;opacity:0.4;animation-delay:0.1s;animation-duration:3.5s;}
.floating-dot:nth-child(28){top:50%;left:68%;width:15px;opacity:0.6;animation-delay:1.3s;animation-duration:4.7s;}
.floating-dot:nth-child(29){top:58%;left:88%;width:10px;opacity:0.5;animation-delay:2.9s;animation-duration:4.2s;}
.floating-dot:nth-child(30){top:62%;left:15%;width:7px;opacity:0.4;animation-delay:0.5s;animation-duration:3.6s;}
.floating-dot:nth-child(31){top:68%;left:32%;width:17px;opacity:0.65;animation-delay:1.8s;animation-duration:5s;}
.floating-dot:nth-child(32){top:70%;left:62%;width:12px;opacity:0.55;animation-delay:3.5s;animation-duration:4.3s;}
.floating-dot:nth-child(33){top:72%;left:95%;width:9px;opacity:0.45;animation-delay:0.8s;animation-duration:3.8s;}
.floating-dot:nth-child(34){top:78%;left:22%;width:14px;opacity:0.6;animation-delay:2.3s;animation-duration:4.6s;}
.floating-dot:nth-child(35){top:82%;left:55%;width:8px;opacity:0.4;animation-delay:1.1s;animation-duration:3.7s;}
.floating-dot:nth-child(36){top:88%;left:78%;width:16px;opacity:0.65;animation-delay:2.7s;animation-duration:4.8s;}
.floating-dot:nth-child(37){top:92%;left:5%;width:11px;opacity:0.5;animation-delay:0.3s;animation-duration:4.1s;}
.floating-dot:nth-child(38){top:95%;left:28%;width:7px;opacity:0.4;animation-delay:1.5s;animation-duration:3.5s;}
.floating-dot:nth-child(39){top:93%;left:58%;width:13px;opacity:0.55;animation-delay:3.1s;animation-duration:4.4s;}
.floating-dot:nth-child(40){top:96%;left:82%;width:10px;opacity:0.5;animation-delay:2s;animation-duration:4s;}

@keyframes floatingDot {
  0%,100% { transform:translateY(0); }
  50% { transform:translateY(-15px); }
}

@media (max-width: 430px) {
  .shooting-stars-container,
  .floating-dots-container {
    position: absolute;
    height: 100vh;
    max-height: 100vh;
  }
}

/* =============================================
   Navigation.css
   ============================================= */
.navigation {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1300;
  background: transparent;
  padding: clamp(20px,4vh,40px);
  box-sizing: border-box;
  pointer-events: none;
}
@media (max-width: 393px) { .navigation { padding: 20px; } }

.navigation-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hamburger-button {
  width: 48px; height: 48px;
  position: relative;
  background: #0D5AC5;
  border: 3px solid #26241B;
  border-radius: 50%;
  box-shadow: 3px 3px 0px 0px rgba(38,36,27,1);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  z-index: 1201;
  pointer-events: auto;
  transition: transform 0.2s;
}
.hamburger-button:active { transform: scale(0.95); }
.hamburger-button span {
  display: block;
  width: 22px; height: 3px;
  background-color: #FFFFFF;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger-button.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-button.open span:nth-child(2) { opacity: 0; }
.hamburger-button.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.menu-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 1200;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}
.menu-overlay.open { opacity: 1; visibility: visible; }

.menu-drawer {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(13,90,197,0.98);
  z-index: 1201;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.22,1,0.36,1);
  padding: 40px 20px;
  box-sizing: border-box;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.menu-drawer::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0.35;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  z-index: 1;
}
.menu-drawer.open { opacity: 1; visibility: visible; }

.menu-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.menu-logo { width: 100%; max-width: 280px; height: auto; margin-bottom: 10px; }
.menu-nav-items {
  display: flex;
  flex-direction: column;
  gap: clamp(8px,1.5vh,14px);
  width: 100%;
  max-width: 320px;
}
.menu-nav-item {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: clamp(10px,1.5vh,16px) 24px;
  background: #FFFFFF;
  border: 3px solid #26241B;
  box-shadow: 3px 3px 0px 0px rgba(38,36,27,1);
  border-radius: 9999px;
  text-decoration: none;
  color: #3D3A2E;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: clamp(14px,2vh,18px);
  transition: transform 0.2s;
}
.menu-entry-button {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: clamp(10px,1.5vh,16px) 24px;
  width: 100%;
  max-width: 320px;
  box-sizing: border-box;
  background: radial-gradient(circle at 50% 50%, rgba(7,224,96,1) 54%, rgba(0,196,80,1) 100%);
  border: 3px solid #26241B;
  border-radius: 9999px;
  box-shadow: 3px 3px 0px 0px rgba(38,36,27,1);
  color: #FFFFFF;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: clamp(13px,1.8vh,16px);
  cursor: pointer;
  transition: transform 0.2s;
  margin-top: 10px;
}
.menu-entry-button:hover { transform: translateY(-2px); }
.menu-entry-button span { flex: 1; text-align: center; }
.menu-entry-icon { width: 24px; height: 24px; object-fit: contain; }
.menu-copyright { width: 100%; max-width: 320px; height: auto; margin-top: 20px; opacity: 0.8; }

/* =============================================
   Hero.css
   ============================================= */
.hero {
  width: 100%;
  height: 100svh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(20px,4vh,40px) 0;
  overflow: hidden;
  box-sizing: border-box;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0.35;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  z-index: 1;
}
.hero-content {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-logo-section { width: 100%; display: flex; justify-content: center; align-items: center; position: relative; z-index: 10; }
.hero-logo { width: 100%; max-width: 400px; height: auto; display: block; object-fit: contain; }
.hero-image-section { width: 100%; display: flex; justify-content: center; align-items: center; position: relative; z-index: 5; }
.hero-main-image { width: 100%; max-width: 100%; height: auto; display: block; object-fit: contain; }
@media (min-width: 1200px) { .hero-main-image { max-width: 393px; } }
.hero-benefits-section { display: flex; flex-direction: row; align-items: center; justify-content: center; flex-wrap: nowrap; max-width: 100%; width: 100%; }
.benefit-image { height: clamp(60px,10vh,120px); flex: 1; max-width: 104px; display: block; object-fit: contain; }
.hero-button-section { width: 100%; display: flex; justify-content: center; align-items: center; padding: 0 20px; margin-top: 10px; }
.hero-button-image { width: 100%; max-width: 350px; height: auto; display: block; object-fit: contain; cursor: pointer; transition: transform 0.2s; }
.hero-button-image:hover { transform: translateY(-2px); }

@media (min-width: 1200px) { .hero { height: auto; } }
@media (max-width: 430px) {
  .hero { height: auto; min-height: 100svh; justify-content: flex-start; padding: 40px 0; }
  .hero-logo { max-width: 76%; }
  .hero-image-section { margin-top: -30px; }
  .hero-benefits-section { margin-top: -15px; }
  .benefit-image { height: auto; width: 32%; }
  .hero-button-section { margin-top: 10px; }
}

/* =============================================
   About.css
   ============================================= */
.about {
  width: 100%;
  position: relative;
  overflow: hidden;
  padding: 80px 24px;
}
.about-container { max-width: 393px; margin: 0 auto; display: flex; flex-direction: column; gap: 40px; position: relative; z-index: 10; }
.about-section { display: flex; flex-direction: column; align-items: center; width: 100%; }
.section-header-image { width: 345px; max-width: 345px; height: auto; display: block; object-fit: contain; margin-bottom: 24px; }
.section-main-image { width: 345px; max-width: 345px; height: auto; display: block; object-fit: contain; margin-bottom: 16px; }
.section-body-image { width: 345px; max-width: 345px; height: auto; display: block; object-fit: contain; }

/* =============================================
   Benefits.css
   ============================================= */
.benefits {
  width: 100%;
  background: #0A489D;
  height: 100vh;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.benefits::before {
  content: "";
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0.35; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay; z-index: -1;
}
.benefits-container { max-width: 393px; margin: 0 auto; padding: 40px 24px; display: flex; flex-direction: column; align-items: flex-start; height: 100vh; justify-content: center; }
.benefits-header-image { width: 345px; max-width: 345px; height: auto; display: block; object-fit: contain; margin-bottom: 24px; }
.benefits-carousel { display: flex; flex-direction: row; gap: 16px; }
.benefits-carousel-item { flex-shrink: 0; width: 351px; height: auto; display: block; object-fit: contain; }

/* =============================================
   Message.css
   ============================================= */
.message {
  width: 100%;
  background: #0A489D;
  padding: 80px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.message::before {
  content: "";
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0.35; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay; z-index: 5;
}
.message-bg-flow {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  z-index: -1; opacity: 0.2; pointer-events: none;
  display: flex; flex-direction: column; justify-content: center; gap: 0;
  mask-image: linear-gradient(to bottom, transparent 0%, black 12%, black 88%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 12%, black 88%, transparent 100%);
}
.flow-row { display: flex; width: 100%; }
.flow-text {
  display: flex; white-space: nowrap;
  font-family: 'Inter', sans-serif; font-weight: 900; font-size: 110px; line-height: 100%;
  color: #FFFFFF; will-change: transform;
}
.flow-text span { display: block; padding-right: 60px; }
.flow-row:not(.reverse) .flow-text { animation: flow-left 40s linear infinite; }
.flow-row.reverse .flow-text { animation: flow-right 40s linear infinite; }
@keyframes flow-left { 0%{transform:translate3d(0,0,0);} 100%{transform:translate3d(-50%,0,0);} }
@keyframes flow-right { 0%{transform:translate3d(-50%,0,0);} 100%{transform:translate3d(0,0,0);} }

.message-container { max-width: 393px; margin: 0 auto; width: 100%; display: flex; flex-direction: column; align-items: center; position: relative; z-index: 10; }
.message-comment-image { width: 351px; max-width: 351px; height: auto; display: block; object-fit: contain; margin-bottom: 8px; }
.message-photo-image { width: 179px; max-width: 179px; height: auto; display: block; object-fit: contain; }
.message-video-wrapper {
  width: 100%; margin-top: 24px; border-radius: 12px; overflow: hidden;
  border: 3px solid #26241B; box-shadow: 3px 3px 0px 0px rgba(38,36,27,1);
  position: relative; aspect-ratio: 16/9;
}
.message-video-iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; display: block; }

/* =============================================
   Requirements.css
   ============================================= */
.requirements { width: 100%; background: #0A489D; padding: 80px 24px; position: relative; overflow: hidden; }
.requirements::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0.35; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay; z-index: 1;
}
.requirements-container { position: relative; z-index: 2; max-width: 393px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
.requirements-header-image { width: 345px; max-width: 345px; height: auto; display: block; object-fit: contain; margin-bottom: 24px; }
.requirements-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; width: 100%; max-width: 345px; margin-bottom: 24px; }
.requirements-card-image.fade-in-up { width: 100%; height: auto; display: block; object-fit: contain; transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.25,1,0.5,1); }
.js .requirements-card-image.fade-in-up { opacity: 0; }
.js .requirements-card-image.slide-in-left.fade-in-up { transform: translateX(-50px) translateY(0); }
.js .requirements-card-image.slide-in-right.fade-in-up { transform: translateX(50px) translateY(0); }
.js .requirements-card-image.is-visible.fade-in-up { opacity: 1; transform: translateX(0) translateY(0); }
.requirements-button-image { width: 345px; max-width: 345px; height: auto; display: block; object-fit: contain; cursor: pointer; transition: transform 0.2s; }
.requirements-button-image:hover { transform: translateY(-2px); }

/* =============================================
   Entry.css
   ============================================= */
.entry { width: 100%; background: #0A489D; padding: 80px 24px; position: relative; overflow: hidden; }
.entry::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0.35; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay; z-index: 1;
}
.entry-container { position: relative; z-index: 2; max-width: 393px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
.entry-header-image { width: 345px; max-width: 345px; height: auto; display: block; object-fit: contain; margin-bottom: 24px; }
.entry-step-image { width: 351px; max-width: 351px; height: auto; display: block; object-fit: contain; margin-bottom: 16px; }
.entry-polygon-image { width: auto; height: 40px; display: block; object-fit: contain; margin-bottom: 16px; }
.entry-button-image { width: 345px; max-width: 345px; height: auto; display: block; object-fit: contain; cursor: pointer; transition: transform 0.2s; }
.entry-button-image:hover { transform: translateY(-2px); }

/* =============================================
   FAQ.css
   ============================================= */
.faq { width: 100%; position: relative; padding: 80px 20px; background: transparent; }
.faq-container { max-width: 393px; margin: 0 auto; display: flex; flex-direction: column; gap: 24px; align-items: center; position: relative; z-index: 10; }
.faq-header-image { width: 345px; max-width: 345px; height: auto; display: block; object-fit: contain; }
.faq-list { width: 100%; max-width: 800px; display: flex; flex-direction: column; gap: 24px; }
.faq-item { background: #0D5AC5; border: 3px solid #26241B; box-shadow: 3px 3px 0px 0px rgba(38,36,27,1); overflow: hidden; }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px; background: transparent; border: none; cursor: pointer; text-align: left;
}
.faq-question span { font-family: 'Inter',sans-serif; font-weight: 700; font-size: 16px; line-height: 1.2em; color: #FFFFFF; flex: 1; }
.faq-icon { width: 16px; height: 16px; color: #FFFFFF; flex-shrink: 0; transition: transform 0.3s; }
.faq-question.open .faq-icon { transform: rotate(180deg); }
.faq-icon-vertical { transition: opacity 0.3s; }
.faq-question.open .faq-icon-vertical { opacity: 0; }
.faq-answer { padding: 0 16px 16px 16px; }
.faq-answer p { font-family: 'Inter',sans-serif; font-weight: 400; font-size: 16px; line-height: 1.7em; color: #FFFFFF; white-space: pre-line; }

/* =============================================
   Policy.css
   ============================================= */
.policy { width: 100%; position: relative; padding: 80px 24px; background: transparent; }
.policy-container { max-width: 393px; margin: 0 auto; display: flex; justify-content: center; align-items: center; position: relative; z-index: 10; }
.policy-image { width: 351px; max-width: 351px; height: auto; display: block; object-fit: contain; }

/* =============================================
   Footer.css
   ============================================= */
.footer { width: 100%; background: #0A489D; padding: 80px 24px; position: relative; overflow: hidden; }
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0.35; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}
.footer-container { max-width: 393px; margin: 0 auto; display: flex; flex-direction: column; gap: 40px; align-items: center; position: relative; z-index: 1; }
.footer-logo-image { width: 216px; max-width: 216px; height: auto; display: block; object-fit: contain; }
.footer-button-row { width: 100%; display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.footer-button-row a { display: block; transition: transform 0.2s; }
.footer-button-row a:hover { transform: translateY(-2px); }
.footer-button-image { width: 100%; height: auto; display: block; object-fit: contain; }
.footer-link-image { width: 308px; max-width: 308px; height: auto; display: block; object-fit: contain; transition: transform 0.2s; }
.footer-link-image:hover { transform: translateY(-2px); }
.footer-copyright-image { width: 290px; max-width: 290px; height: auto; display: block; object-fit: contain; }

/* =============================================
   PolygonBackground.css
   ============================================= */
.polygon-bg-container {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  overflow: hidden; z-index: 0;
  background-color: #ffffff;
}
.polygon-shape {
  position: absolute;
  animation: float-polygon linear infinite;
  will-change: transform;
  transform: translate3d(0,0,0);
  pointer-events: none;
}
.polygon-overlay {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(255,255,255,0.05);
  pointer-events: none;
}
@keyframes float-polygon {
  0% { transform: translate3d(0,0,0) rotate(var(--init-rotate)) scale(1); }
  33% { transform: translate3d(30px,-20px,0) rotate(calc(var(--init-rotate) + 3deg)) scale(1.1); }
  66% { transform: translate3d(-20px,30px,0) rotate(calc(var(--init-rotate) - 3deg)) scale(0.95); }
  100% { transform: translate3d(0,0,0) rotate(var(--init-rotate)) scale(1); }
}

/* =============================================
   ImportantMatters.css + ImportantNoticesPage.css
   ============================================= */
.important-notices-page {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.important-notices-page .mobile-navigation { position: sticky; top: 0; z-index: 100; background-color: #FEFEFE; }
.important-notices-page footer { margin-top: auto; }

.important-matters { width: 100%; position: relative; overflow: hidden; padding: 80px 24px; background-color: #ffffff; }
.important-matters-container { max-width: 393px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; z-index: 10; }
.im-main-title { font-family: 'Inter',sans-serif; font-weight: 900; font-size: 32px; line-height: 1.2; color: #333333; margin-bottom: 48px; }
.im-section { width: 100%; margin-bottom: 40px; }
.im-title { font-family: 'Inter',sans-serif; font-weight: 800; font-size: 24px; line-height: 1.2; color: #333333; margin-bottom: 16px; }
.im-body { font-family: 'Inter',sans-serif; font-weight: 500; font-size: 14px; line-height: 1.8; color: #666666; }
.im-sub-section { margin-top: 24px; }
.im-sub-title { font-family: 'Inter',sans-serif; font-weight: 700; font-size: 18px; line-height: 1.4; color: #333333; margin-bottom: 12px; }
.im-section.last { margin-bottom: 0; }
@media (min-width: 768px) { .important-matters-container { max-width: 500px; } .im-main-title { font-size: 40px; } }