@charset "UTF-8";
/* CSS Document */

:root {
      --clr-bg: #000000;
      --clr-overlay: rgba(0, 0, 0, 0.85);
      --clr-primary: #e63946;
      --clr-secondary: #457b9d;
      --clr-light: #f1faee;
      --clr-dark: #1d3557;
      --font-serif: 'Noto Serif JP', serif;
      --transition-time: 0.3s;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  padding: 2rem;
  background: url(../image/lp_bg2.jpg) center top no-repeat,#020403;
  background-attachment: fixed;
  color: var(--clr-light);
  font-family: var(--font-serif);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

header {
  width: 100%;
  max-width:650px;
  margin-bottom: 3rem;
}

header img {
  width: 100%;
  height: auto;
  display: block;
  animation: flicker 4s infinite;
}

main {
  width: 100%;
  max-width: 650px;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.8);
  backdrop-filter: blur(5px);
  animation: slideUp 1s ease-out;
}

@keyframes flicker {
  0%, 18%, 22%, 25%, 53%, 57%, 100% { opacity: 1; }
  20%, 24%, 55% { opacity: 0.4; }
}

h1 {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: #ffffff;
  margin-bottom: 1rem;
  text-shadow: 0 0 8px var(--clr-primary);
  line-height: 1.2;
}

h2 {
  width: 100%;
  font-family: var(--font-serif);
  font-size: 2.0rem;
  margin: 4rem 0 1rem;
  color: var(--clr-light);
  position: relative;
  padding-bottom: 1rem;
}

p.click {
	margin: 0 0 5px 0;
	font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, "sans-serif";
}

.bubble-heading {
  margin: 2rem auto;
  padding: 0.4em 0.6em;
  display: inline-block;
  position: relative;
  border: 1px solid #c00508;
  background-color: #c00508;
  color: #fff;
  line-height: 1.2;
  border-radius: 3px;
}

.bubble-heading::after {
  content: "";
  position: absolute;
  bottom: -0.6em;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 0.6em solid transparent;
  border-right: 0.6em solid transparent;
  border-top: 0.6em solid #c00508; /* 三角も赤で塗りつぶし */
  pointer-events: none;
}

.features {
  list-style: none;
  margin: 2rem 0;
}

.features li {
  margin: 0 0 7px 0;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, "sans-serif";
  font-weight: 600;
  background: rgba(241,250,238,0.2);
  padding: 1rem 1rem 1rem 2.1rem;
  border-radius: 2px;
  text-align: left;
  font-size: 1.1rem;
  position: relative;
  transition: transform var(--transition-time), background var(--transition-time);
}

.features li::before {
  content: "▶";
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--clr-primary);
  font-weight: bold;
}

 .video-box {
  margin: 0 0 2rem 0;
  border-radius: 12px;
  overflow: hidden;
 }

.video-box iframe {
  width: 100%;
  max-width: 320px;
  height: 320px;
  border: 0;
  border-radius: 6px;
}

.cta-button {
  width: 100%;
  background: none;
  box-shadow: none;
}

.cta-button a {
  width: 100%;
  margin: 1rem 0 1rem 0;
  padding: 1.4rem 1.4rem;
  display: inline-block;
  background: #0465e4;
  color: var(--clr-light);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, "sans-serif";
  font-weight: 600;
  font-size: 1.6rem;
  line-height: 1.2;
  text-decoration: none;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-transform: uppercase;
  box-shadow: 0 10px var(--clr-dark);
  transition: transform var(--transition-time), box-shadow var(--transition-time);
  position: relative;
}

.cta-button a:hover {
  transform: translateY(8px);
  box-shadow: 0 2px var(--clr-dark);
}

.cta-button a:active {
  transform: translateY(0);
  box-shadow: 0 4px var(--clr-dark);
}

.cta-button a:after {
    content: '';
    width: 10px;
    height: 10px;
    border-top: 5px solid #fff;
    border-right: 5px solid #fff;
    transform: rotate(45deg) translateY(-50%);
    position: absolute;
    top: 49%;
    right: 30px;
    border-radius: 1px;
}

.cta-button a:hover:after {
    border-color: #FFF;
}

footer {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: rgba(241,250,238,0.7);
}

.pc-display {
	display: block;
}

.sp-display {
	display: none;
}

 @keyframes fadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
   to { opacity: 1; transform: translateY(0); }
}


@media screen and ( max-width:768px ) {
	
.video-box iframe {
	height: 260px;
}
	
.features li {
	font-size: 1rem;
}
}

@media screen and ( max-width:480px ) {
	
body {
  padding: 1rem 0;
}
	
main {
  padding: 1rem;
}

header {
  margin-bottom: 1.5rem;
}
	
h1 { font-size: 1.6rem; }
h2 { font-size: 1.6rem; }		

 .video-box {
  margin: 0 0 1rem 0;
}

.features li {
  font-size: 1.0rem;
  line-height: 1.3;
}

.cta-button a {
  font-size: 1.3rem;
}
	
.pc-display {
	display: none;
}

.sp-display {
	display: block;
}

}