@charset "utf-8";

/* ========================================
   Conceptページ - FV
======================================== */
.concept_fv {
  max-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(180deg, #f0f0f0 0%, #fafafa 100%);
  padding: 140px 0 80px;
  overflow: hidden;
}

@media (min-width: 1080px) {
  .concept_fv {
    max-height: 600px;
    padding: 180px 0 100px;
  }
}

.concept_fv_video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  z-index: 1;
  object-fit: cover;
}

.concept_fv_overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 2;
}

.concept_fv .l_container {
  position: relative;
  z-index: 3;
}

.concept_fv .m_section_header {
  text-align: left;
  margin: 0 auto 80px 0;
  width: fit-content;
}

.concept_fv .m_section_title {
  color: var(--color-text-light);
}

.concept_fv .m_section_title--highlight {
  color: var(--color-red);
}

.concept_fv .m_section_line {
  background: var(--color-accent);
}

.concept_fv .m_section_subtitle {
  color: var(--color-accent);
}

/* ========================================
   Conceptページ - Philosophy（理念の核）
======================================== */
.concept_philosophy {
  background: url("../img/saten.webp") no-repeat center center;
  background-size: cover;
}

.concept_philosophy_content {
  max-width: 1200px;
  margin: 40px auto;
  text-align: left;
}

@media (min-width: 1080px) {
  .concept_philosophy_content {
    margin: 80px auto;
  }
}

.concept_philosophy_text {
  font-size: clamp(0.8rem, 2.5vw, 1.5rem);
  font-weight: 300;
  line-height: 2;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

@media (min-width: 1080px) {
  .concept_philosophy_text {
    font-size: 1.5rem;
    line-height: 2.2;
  }
}

.concept_philosophy_highlight {
  font-size: clamp(1rem, 2.5vw, 1.6rem);
  font-weight: 600;
  color: var(--color-primary);
}

/* ========================================
   Conceptページ - Vision Video
======================================== */
.concept_vision {
  background: var(--color-dark-bg);
}

.concept_vision_video {
  max-width: 1200px;
  margin: 40px auto 0;
}

@media (min-width: 1080px) {
  .concept_vision_video {
    margin: 80px auto 0;
  }
}

.concept_vision_video_wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background: #000;
  border-radius: 0;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.concept_vision_video_wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ========================================
   Conceptページ - Message（代表メッセージ）
======================================== */
.concept_message {
  background: var(--color-bg-white);
}

.concept_message_content {
  max-width: 1200px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column-reverse;
  gap: var(--spacing-xxl);
}

@media (min-width: 1080px) {
  .concept_message_content {
    margin: 80px auto 0;
    flex-direction: row;
    align-items: center;
    gap: 60px;
  }
}

.concept_message_text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
}

@media (min-width: 1080px) {
  .concept_message_text {
    flex: 1;
    margin-bottom: 0;
  }
}

.concept_message_text p {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

@media (min-width: 1080px) {
  .concept_message_text p {
    font-size: 1.3rem;
  }
}

.concept_message_signature {
  text-align: right;
}

.concept_message_name {
  font-size: 1.8rem;
  font-weight: 600;
  font-family: var(--font-serif);
  color: var(--color-text);
}

@media (min-width: 1080px) {
  .concept_message_name {
    font-size: 2.2rem;
  }
}

.concept_message_image {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

@media (min-width: 1080px) {
  .concept_message_image {
    flex-shrink: 0;
    width: 500px;
  }
}

.concept_message_image img {
  width: 500px;
  height: 400px;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}