/* ============================================================
   LUCEM — Corporate Site Stylesheet
   Design Reference: lovefrom.com (extreme minimalism)
   ============================================================ */

/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: #ededec;
  color: #433f3f;
  font-family: 'Shippori Mincho', serif;
  line-height: 1.8;
  overflow-x: hidden;
  font-feature-settings: "palt" on;
  letter-spacing: 0.05rem;
}

/* Scroll lock during opening animation */
body.scroll-locked {
  overflow: hidden;
}

::selection {
  background: rgba(166, 150, 80, 0.2);
  color: #433f3f;
}


/* ===== Hero Section ===== */
#hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

#logo-container {
  width: 400px;
  max-width: 80vw;
}

#logo-svg {
  width: 100%;
  height: auto;
  overflow: visible;
}


/* ===== SVG Letter Paths — Stroke Draw ===== */
.letter-path {
  fill: rgba(67, 63, 63, 0);
  stroke: #433f3f;
  stroke-width: 0.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.letter-path.draw-complete {
  fill: rgba(67, 63, 63, 1);
  stroke: rgba(67, 63, 63, 0);
  transition: fill 2000ms cubic-bezier(0.25, 0.46, 0.45, 0.94), stroke 2000ms ease;
}


/* ===== Light Particles ===== */
.light-particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform, opacity;
}

.light-particle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: inherit;
  filter: blur(3px);
  opacity: 0.6;
}


/* ===== SVG Star Path — Glow Effect ===== */
.star-path {
  fill: #a69650;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}

@keyframes starReveal {
  0% {
    opacity: 0;
    transform: scale(0) rotate(-30deg);
    filter: drop-shadow(0 0 0px rgba(166, 150, 80, 0));
  }
  30% {
    opacity: 1;
    transform: scale(1.6) rotate(0deg);
    filter: drop-shadow(0 0 30px rgba(166, 150, 80, 0.9));
  }
  60% {
    transform: scale(0.85) rotate(5deg);
    filter: drop-shadow(0 0 15px rgba(166, 150, 80, 0.5));
  }
  80% {
    transform: scale(1.05) rotate(-2deg);
    filter: drop-shadow(0 0 8px rgba(166, 150, 80, 0.3));
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
    filter: drop-shadow(0 0 4px rgba(166, 150, 80, 0.15));
  }
}

.star-path.star-glow {
  animation: starReveal 1.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}


/* ===== Scroll Indicator — Blinking Arrow ===== */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.8s ease;
}

.scroll-indicator.visible {
  opacity: 1;
}

.container_08 {
  display: flex;
  justify-content: center;
}

.scroll-down_08 {
  display: inline-block;
  width: fit-content;
  margin: 0 auto;
  text-align: center;
  color: #a69650;
  text-decoration: none;
  white-space: nowrap;
}

.wavy-text {
  font-size: 0;
}

.wavy-text span {
  display: inline-block;
  min-width: 0.3em;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  animation: wavyTextFloat 2.2s ease-in-out infinite;
  animation-delay: calc(var(--i) * 0.08s);
}

.wavy-text_arrow {
  display: block;
  position: relative;
  width: 1px;
  height: 46px;
  margin: 10px auto 0;
  background: linear-gradient(
    to bottom,
    rgba(166, 150, 80, 0.25),
    rgba(166, 150, 80, 0.85)
  );
  animation: wavyArrowDrop 1.8s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}

.wavy-text_arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 10px;
  height: 10px;
  border-right: 1px solid #a69650;
  border-bottom: 1px solid #a69650;
  transform: translate(-50%, 0) rotate(45deg);
}

@keyframes wavyTextFloat {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.45;
  }
  50% {
    transform: translateY(-5px);
    opacity: 1;
  }
}

@keyframes wavyArrowDrop {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  50% {
    transform: translateY(8px);
    opacity: 1;
  }
}


/* ===== Message Section ===== */
#message {
  padding: 140px 20px 180px;
  text-align: center;
}

.message-inner {
  max-width: 640px;
  margin: 0 auto;
}

.message-line {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 2.2;
  letter-spacing: 0.12em;
  opacity: 1;
  transform: none;
}

.js-enabled .message-line:not(.spacer) {
  opacity: 1;
  transform: none;
}

.message-char {
  display: inline-block;
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.message-char.char-space {
  min-width: 0.34em;
}

.js-enabled .message-line:not(.spacer) .message-char {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(0.58em);
  color: rgba(67, 63, 63, 0.3);
  transition:
    opacity 720ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 1100ms cubic-bezier(0.19, 1, 0.22, 1),
    filter 1100ms cubic-bezier(0.19, 1, 0.22, 1),
    color 900ms ease;
  transition-delay: calc(var(--char-index) * 38ms);
  will-change: opacity, transform, filter;
}

.message-line.visible,
.js-enabled .message-line.visible {
  opacity: 1;
  transform: translateY(0);
}

.js-enabled .message-line.visible .message-char {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
  color: inherit;
}

/* Brand name in message */
.message-line.brand-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.4rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  margin-bottom: 8px;
  line-height: 1.6;
}

.message-brand-offset {
  margin-left: 15px;
}

/* Subtitle line */
.message-line.subtitle {
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  color: rgba(67, 63, 63, 0.75);
}

/* Paragraph spacer */
.message-line.spacer {
  height: 3em;
  opacity: 1;
  transform: none;
}

/* Inline brand text */
.brand-text {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  letter-spacing: 0.15em;
}

.sp-break {
  display: none;
}


/* ===== Footer: Company Info ===== */
#company-info {
  padding: 80px 20px 60px;
  text-align: center;
  border-top: 1px solid rgba(67, 63, 63, 0.08);
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-logo {
  width: 140px;
  margin: 0 auto 48px;
}

.footer-logo svg {
  width: 100%;
  height: auto;
}

#footer-star {
  transform-box: fill-box;
  transform-origin: center;
}

.company-table {
  width: 100%;
  text-align: left;
}

.company-row {
  display: flex;
  padding: 14px 0;
  border-bottom: 1px solid rgba(67, 63, 63, 0.06);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  line-height: 1.7;
}

.company-row-centered-label {
  align-items: center;
}

.company-label {
  width: 110px;
  flex-shrink: 0;
  color: #433f3f;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding-top: 2px;
}

.company-row-centered-label .company-label {
  padding-top: 0;
}

.company-value {
  flex: 1;
}

.footer-banner {
  display: block;
  width: 300px;
  max-width: 100%;
  height: 80px;
  margin: 40px auto 0;
  position: relative;
  overflow: hidden;
}

.footer-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (hover: hover) and (pointer: fine) {
  .c-bnr.blur,
  .c-bnr.blur::before,
  .c-bnr.blur::after {
    transition: .4s cubic-bezier(0.45, 0, 0.55, 1);
  }

  .c-bnr.blur {
    z-index: 1;
  }

  .c-bnr.blur::before {
    content: "";
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    z-index: 1;
    opacity: 0;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    pointer-events: none;
  }

  .c-bnr.blur::after {
    content: attr(data-label);
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    opacity: 0;
    transform: translate(-50%, -42%);
    color: #fff;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.1rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    pointer-events: none;
  }

  .c-bnr.blur:hover {
    box-shadow: 0 0 10px 2px rgba(0, 0, 0, 0.2);
  }

  .c-bnr.blur:hover::before {
    opacity: 1;
  }

  .c-bnr.blur:hover::after {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

.copyright {
  margin-top: 64px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: rgba(67, 63, 63, 0.25);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .scroll-indicator {
    transition: none;
  }

  .wavy-text span,
  .wavy-text_arrow {
    animation: none;
  }

  .wavy-text span {
    opacity: 1;
  }

  .js-enabled .message-line:not(.spacer) {
    transition: none;
  }

  .js-enabled .message-line:not(.spacer) .message-char {
    transition: none;
    filter: none;
    transform: none;
  }
}


/* ===== Responsive: SP (<768px) ===== */
@media (max-width: 767px) {
  #logo-container {
    width: 85vw;
  }

  #message {
    padding: 100px 28px 120px;
  }

  .message-line {
    font-size: 1rem;
    line-height: 2;
    letter-spacing: 0.08em;
  }

  .message-line.brand-name {
    font-size: 1.8rem;
  }

  .message-line.subtitle {
    font-size: 0.95rem;
  }

  .message-line.spacer {
    height: 2.2em;
  }

  .wavy-text {
    font-size: 0;
  }

  .wavy-text span {
    font-size: 0.78rem;
    letter-spacing: 0.14em;
  }

  .sp-break {
    display: block;
  }

  #company-info {
    padding: 60px 28px 48px;
  }

  .company-row {
    flex-direction: column;
    gap: 2px;
    padding: 12px 0;
  }

  .company-row-centered-label {
    align-items: flex-start;
  }

  .company-label {
    width: auto;
    font-size: 0.7rem;
  }

  .company-value {
    font-size: 0.85rem;
  }

  .footer-banner {
    width: min(300px, 100%);
    margin-top: 32px;
  }

  .footer-logo {
    width: 110px;
    margin-bottom: 36px;
  }

  .copyright {
    margin-top: 48px;
  }
}