:root {
  --primary: #0a2540;
  --secondary: #c5a059;
  --accent: #2d2d2d;
  --base: #f9f9f9;
  --section-padding: clamp(5rem, 12vw, 10rem);
  --hero-margin-bottom: clamp(4rem, 10vw, 8rem);
}

/* Material Symbols */
.material-symbols-outlined {
  font-variation-settings:
    'FILL' 0,
    'wght' 300,
    'GRAD' 0,
    'opsz' 24;
  display: inline-block;
  vertical-align: middle;
}

/* Base Style */
html {
  overflow-x: hidden;
}
body {
  overflow-x: hidden;
  color: var(--accent);
  line-height: 1.7;
  background-color: var(--base);
}

/* Alpine.js Cloak */
[x-cloak] {
  display: none !important;
}

/* Subhero Template Style */
.subhero {
  height: 60vh;
  min-height: 400px;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  position: relative;
  color: white;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .subhero {
    background-attachment: scroll;
    height: 50vh;
    min-height: 300px;
    background-position: center center;
  }
}

.subhero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10, 37, 64, 0.7), rgba(10, 37, 64, 0.4));
}

.subhero .container {
  position: relative;
  z-index: 1;
}

/* Typography Accent */
.font-accent {
  font-family: 'Playfair Display', serif;
}

/* Section Spacing Utility */
section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

/* 修正: グリッドレイアウトの強制適用 */
.works-grid {
  display: grid !important;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 2rem;
}

@media (min-width: 768px) {
  .works-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

@media (min-width: 1024px) {
  .works-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 2.5rem;
  }
}

.rental-list-spacing {
  padding-top: var(--section-padding);
}

/* 新規追加: ボタン背景色用のユーティリティ */
.bg-primary {
  background-color: var(--primary);
}

/* Extracted from Templates */
/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/about-info.html */

.about-info {
  padding: var(--section-padding) 0;
  background-color: var(--base);
}
.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: start;
}
@media (min-width: 1024px) {
  .info-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.info-table {
  width: 100%;
  border-collapse: collapse;
}
.info-table tr {
  border-bottom: 1px solid rgba(10, 37, 64, 0.1);
}
.info-table th {
  width: 35%;
  padding: 1.5rem 0;
  text-align: left;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.1em;
  vertical-align: top;
}
.info-table td {
  padding: 1.5rem 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--accent);
}
.map-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #e5e7eb;
  overflow: hidden;
}
.map-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  filter: grayscale(1) opacity(0.8);
  transition: filter 0.5s ease;
}
.map-container iframe:hover {
  filter: grayscale(0) opacity(1);
}
.address-box {
  margin-top: 1.5rem;
  padding: 2rem;
  background: white;
  border-left: 4px solid var(--secondary);
}

/* From ./parts/about-history.html */

.history-timeline {
  padding: var(--section-padding, 8rem) 0;
  background-color: var(--base);
  position: relative;
}
.history-timeline__line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: rgba(10, 37, 64, 0.2);
  transform: translateX(-50%);
}
.history-timeline__item {
  position: relative;
  margin-bottom: 6rem;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.history-timeline__dot {
  position: absolute;
  left: 50%;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  background-color: var(--secondary);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: 0 0 0 4px white;
}
.history-timeline__content {
  width: 42%;
}
.history-timeline__year {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
  display: block;
}
.history-timeline__body {
  background: white;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}
.history-timeline__label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: block;
}

.history-timeline__item--left .history-timeline__content {
  margin-right: auto;
  text-align: right;
}
.history-timeline__item--right .history-timeline__content {
  margin-left: auto;
  text-align: left;
}
@media (max-width: 768px) {
  .history-timeline__line {
    left: 20px;
  }
  .history-timeline__dot {
    left: 20px;
  }
  .history-timeline__content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
    margin-right: 0 !important;
    text-align: left !important;
  }
  /* ↓ これを追加 */
  .history-timeline__item {
    overflow: hidden;
  }
  .history-timeline__item--right .history-timeline__content {
    margin-left: 60px !important;
  }
}
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/about-info.html */

.about-info {
  padding: var(--section-padding) 0;
  background-color: var(--base);
}
.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: start;
}
@media (min-width: 1024px) {
  .info-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.info-table {
  width: 100%;
  border-collapse: collapse;
}
.info-table tr {
  border-bottom: 1px solid rgba(10, 37, 64, 0.1);
}
.info-table th {
  width: 35%;
  padding: 1.5rem 0;
  text-align: left;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.1em;
  vertical-align: top;
}
.info-table td {
  padding: 1.5rem 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--accent);
}
.map-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #e5e7eb;
  overflow: hidden;
}
.map-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  filter: grayscale(1) opacity(0.8);
  transition: filter 0.5s ease;
}
.map-container iframe:hover {
  filter: grayscale(0) opacity(1);
}
.address-box {
  margin-top: 1.5rem;
  padding: 2rem;
  background: white;
  border-left: 4px solid var(--secondary);
}

/* From ./parts/about-history.html */

.history-timeline {
  padding: var(--section-padding, 8rem) 0;
  background-color: var(--base);
  position: relative;
}
.history-timeline__line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: rgba(10, 37, 64, 0.2);
  transform: translateX(-50%);
}
.history-timeline__item {
  position: relative;
  margin-bottom: 6rem;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.history-timeline__dot {
  position: absolute;
  left: 50%;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  background-color: var(--secondary);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: 0 0 0 4px white;
}
.history-timeline__content {
  width: 42%;
}
.history-timeline__year {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
  display: block;
}
.history-timeline__body {
  background: white;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}
.history-timeline__label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: block;
}
.history-timeline__item--left .history-timeline__content {
  margin-right: auto;
  text-align: right;
}
.history-timeline__item--right .history-timeline__content {
  margin-left: auto;
  text-align: left;
}
@media (max-width: 768px) {
  .history-timeline__line {
    left: 20px;
  }
  .history-timeline__dot {
    left: 20px;
  }
  .history-timeline__content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
    text-align: left !important;
  }
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/concept-content.html */

.concept-content {
  padding: var(--section-padding, 8rem) 0;
  background-color: var(--base, #f9f9f9);
}

/* Strength Section: Vertical Blocks */
.concept-strength-item {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: clamp(4rem, 8vw, 6rem);
}

.concept-strength-item:last-child {
  margin-bottom: 0;
}

.concept-strength-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

.concept-strength-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.concept-strength-item:hover .concept-strength-image img {
  transform: scale(1.05);
}

.concept-strength-text {
  width: 100%;
}

.concept-strength-number {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  line-height: 1;
  color: rgba(197, 160, 89, 0.2);
  margin-bottom: 1rem;
  display: block;
}

@media (min-width: 1024px) {
  .concept-strength-item {
    flex-direction: row;
    align-items: center;
    gap: 5%;
  }

  .concept-strength-item:nth-child(even) {
    flex-direction: row-reverse;
  }

  .concept-strength-image {
    width: 55%;
  }

  .concept-strength-text {
    width: 40%;
  }
}

/* Management Philosophy Box */
.concept-philosophy-box {
  margin-top: 10rem;
  background: var(--primary, #0a2540);
  color: white;
  padding: 6rem 2rem;
}

.concept-philosophy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .concept-philosophy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.concept-philosophy-item {
  border-left: 1px solid rgba(197, 160, 89, 0.4);
  padding-left: 1.5rem;
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/concept-content.html */

.concept-content {
  padding: var(--section-padding, 8rem) 0;
  background-color: var(--base, #f9f9f9);
}

/* Strength Section: Vertical Blocks */
.concept-strength-item {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: clamp(4rem, 8vw, 6rem);
}

.concept-strength-item:last-child {
  margin-bottom: 0;
}

.concept-strength-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

.concept-strength-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.concept-strength-item:hover .concept-strength-image img {
  transform: scale(1.05);
}

.concept-strength-text {
  width: 100%;
}

.concept-strength-number {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  line-height: 1;
  color: rgba(197, 160, 89, 0.2);
  margin-bottom: 1rem;
  display: block;
}

@media (min-width: 1024px) {
  .concept-strength-item {
    flex-direction: row;
    align-items: center;
    gap: 5%;
  }

  .concept-strength-item:nth-child(even) {
    flex-direction: row-reverse;
  }

  .concept-strength-image {
    width: 55%;
  }

  .concept-strength-text {
    width: 40%;
  }
}

/* Management Philosophy Box */
.concept-philosophy-box {
  margin-top: 10rem;
  background: var(--primary, #0a2540);
  color: white;
  padding: 6rem 2rem;
}

.concept-philosophy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .concept-philosophy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.concept-philosophy-item {
  border-left: 1px solid rgba(197, 160, 89, 0.4);
  padding-left: 1.5rem;
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/contact-form.html */

.contact-section {
  padding: var(--section-padding, 8rem) 0;
  background-color: var(--base, #f9f9f9);
}
.contact-container {
  max-width: 800px;
  margin: 0 auto;
}
.info-card {
  background: white;
  padding: 2.5rem;
  border-left: 4px solid var(--secondary, #c5a059);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}
.form-group {
  margin-bottom: 2rem;
}
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary, #0a2540);
  margin-bottom: 0.75rem;
  letter-spacing: 0.1em;
}
.form-label .required-badge {
  background: #e11d48;
  color: white;
  font-size: 10px;
  padding: 2px 6px;
  margin-left: 8px;
  vertical-align: middle;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 1rem;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 0;
}
.submit-btn {
  width: 100%;
  background: var(--primary, #0a2540);
  color: white;
  padding: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  transition: all 0.4s ease;
  cursor: pointer;
  border: none;
}
.submit-btn:hover {
  background: var(--secondary, #c5a059);
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/contact-form.html */

.contact-section {
  padding: var(--section-padding, 8rem) 0;
  background-color: var(--base, #f9f9f9);
}
.contact-container {
  max-width: 800px;
  margin: 0 auto;
}
.info-card {
  background: white;
  padding: 2.5rem;
  border-left: 4px solid var(--secondary, #c5a059);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}
.form-group {
  margin-bottom: 2rem;
}
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary, #0a2540);
  margin-bottom: 0.75rem;
  letter-spacing: 0.1em;
}
.form-label .required-badge {
  background: #e11d48;
  color: white;
  font-size: 10px;
  padding: 2px 6px;
  margin-left: 8px;
  vertical-align: middle;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 1rem;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 0;
}
.submit-btn {
  width: 100%;
  background: var(--primary, #0a2540);
  color: white;
  padding: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  transition: all 0.4s ease;
  cursor: pointer;
  border: none;
}
.submit-btn:hover {
  background: var(--secondary, #c5a059);
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/flow-steps.html */

.flow-steps {
  padding: var(--section-padding) 0;
  background-color: var(--base);
}
.flow-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}
.flow-container::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--primary);
  opacity: 0.2;
  z-index: 0;
}
.flow-item {
  position: relative;
  display: flex;
  gap: 2rem;
  margin-bottom: 4rem;
  z-index: 1;
}
.flow-item:last-child {
  margin-bottom: 0;
}
.flow-badge {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background-color: var(--primary);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}
.flow-badge .step-label {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  line-height: 1;
}
.flow-badge .step-num {
  font-size: 1.2rem;
  font-family: 'Playfair Display', serif;
  line-height: 1.2;
}
.flow-content {
  padding-top: 0.5rem;
  flex-grow: 1;
}
.flow-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.flow-title::after {
  content: '';
  flex-grow: 1;
  height: 1px;
  background: linear-gradient(to right, var(--secondary), transparent);
  opacity: 0.5;
}
.flow-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--accent);
  opacity: 0.9;
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/flow-steps.html */

.flow-steps {
  padding: var(--section-padding) 0;
  background-color: var(--base);
}
.flow-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}
.flow-container::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--primary);
  opacity: 0.2;
  z-index: 0;
}
.flow-item {
  position: relative;
  display: flex;
  gap: 2rem;
  margin-bottom: 4rem;
  z-index: 1;
}
.flow-item:last-child {
  margin-bottom: 0;
}
.flow-badge {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background-color: var(--primary);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}
.flow-badge .step-label {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  line-height: 1;
}
.flow-badge .step-num {
  font-size: 1.2rem;
  font-family: 'Playfair Display', serif;
  line-height: 1.2;
}
.flow-content {
  padding-top: 0.5rem;
  flex-grow: 1;
}
.flow-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.flow-title::after {
  content: '';
  flex-grow: 1;
  height: 1px;
  background: linear-gradient(to right, var(--secondary), transparent);
  opacity: 0.5;
}
.flow-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--accent);
  opacity: 0.9;
}

/* From ./parts/index-hero.html */

.hero-section {
  position: relative;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background-color: var(--primary);
  margin-bottom: var(--hero-margin-bottom);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-swiper {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-swiper .swiper-slide {
  overflow: hidden;
}
.hero-swiper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
  transform: scale(1);
  transition: transform 8s ease-out;
}
.hero-swiper .swiper-slide-active img {
  transform: scale(1.15);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 37, 64, 0.8) 0%, rgba(10, 37, 64, 0.2) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  pointer-events: none;
}
.hero-content {
  max-width: 1000px;
  pointer-events: auto;
}

.hero-catch {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 6.5vw, 5.5rem);
  font-weight: 700;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
  /* 句読点の孤立を防ぐ設定 */
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.hero-sub {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--secondary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.btn-hero-primary {
  background-color: var(--secondary);
  color: #ffffff;
  padding: 1.1rem 2.5rem;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid var(--secondary);
}
.btn-hero-primary:hover {
  background-color: #ffffff;
  color: var(--primary);
  border-color: #ffffff;
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.btn-hero-outline {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  padding: 1.1rem 2.5rem;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  backdrop-filter: blur(10px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.btn-hero-outline:hover {
  background-color: rgba(255, 255, 255, 1);
  color: var(--primary);
  transform: translateY(-5px);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: #ffffff;
  text-decoration: none;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--secondary);
  animation: scrollLineAnim 2.5s infinite ease-in-out;
}

@keyframes scrollLineAnim {
  0% {
    transform: translateY(-100%);
  }
  70% {
    transform: translateY(100%);
  }
  100% {
    transform: translateY(100%);
  }
}

@media (max-width: 768px) {
  .hero-catch {
    line-height: 1.4;
  }
  .hero-catch br {
    display: block !important;
  }
  .hero-actions {
    margin-top: 2rem;
    gap: 0.75rem;
  }
  .btn-hero-primary,
  .btn-hero-outline {
    width: 100%;
    padding: 0.9rem;
    font-size: 0.8rem;
  }
  /* ボタンと被らないようスクロール位置をさらに下げるか、要素間の距離を調整 */
  .hero-scroll {
    bottom: 1.5rem;
  }
  .scroll-line {
    height: 40px;
  }
}

/* From ./parts/index-indicator.html */

.index-indicator {
  background-color: var(--base);
  padding: clamp(3rem, 8vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}
.indicator-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 3rem;
}
@media (min-width: 768px) {
  .indicator-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }
}
.indicator-item {
  text-align: center;
  position: relative;
  padding: 1rem;
}
.indicator-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}
.indicator-number-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
}
.indicator-number {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  display: inline-block;
  min-width: 1.2ch;
}
.indicator-unit {
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
}

/* From ./parts/index-business.html */

.business-section {
  padding: var(--section-padding) 0;
  background-color: var(--base);
  overflow: hidden;
}
.business-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 2rem;
}
@media (min-width: 768px) {
  .business-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}
.business-card {
  position: relative;
  height: 500px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: white;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.business-card:hover {
  transform: translateY(-10px);
}
.business-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 37, 64, 0.9) 0%, rgba(10, 37, 64, 0.2) 50%, transparent 100%);
  z-index: 1;
  transition: opacity 0.5s ease;
}
.business-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform 0.7s ease;
}
.business-card:hover img {
  transform: scale(1.1);
}
.business-card-content {
  position: relative;
  z-index: 2;
}
.business-card-category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--secondary);
  margin-bottom: 0.5rem;
  display: block;
}
.business-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.business-card-text {
  font-size: 0.875rem;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease 0.1s;
}
.business-card:hover .business-card-text {
  opacity: 0.9;
  transform: translateY(0);
}
.business-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--secondary);
  padding-bottom: 2px;
  color: var(--secondary);
  text-decoration: none;
}

/* From ./parts/index-concept.html */

.index-concept {
  background-color: white;
  position: relative;
  overflow: hidden;
}
.concept-vertical-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.5em;
  line-height: 2;
}
.concept-line {
  width: 1px;
  height: 100px;
  background-color: var(--primary);
  margin: 0 auto;
}

/* From ./parts/index-works.html */

.index-works {
  padding-top: var(--section-padding, 5rem);
  padding-bottom: var(--section-padding, 5rem);
  background-color: #ffffff;
  overflow: hidden;
}
.index-works__header {
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* スマホ版：1カラムで横幅いっぱいに表示。他のセクションの画像と揃えるため。 */
.index-works__grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

.work-card {
  position: relative;
  overflow: hidden;
  background-color: var(--primary);
  width: 100%;
  /* スマホでは画像本来の迫力を出すため、高さ制限を緩める（または16:9程度に） */
  aspect-ratio: 16 / 10;
}

@media (min-width: 768px) {
  .index-works__header {
    margin-bottom: 4rem;
  }
  .index-works__grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
  }
  .work-card {
    aspect-ratio: 16 / 10;
  }
  .work-card:nth-child(1), .work-card--1 {
    grid-column: span 8;
  }
  .work-card:nth-child(2), .work-card--2 {
    grid-column: span 4;
  }
  .work-card:nth-child(3), .work-card--3 {
    grid-column: span 4;
  }
  .work-card:nth-child(4), .work-card--4 {
    grid-column: span 8;
  }
}

.work-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}
.work-card:hover .work-card__image {
  transform: scale(1.08);
}

.work-card__overlay {
  position: absolute;
  inset: 0;
  /* 下部からテキストを浮かび上がらせるグラデーション */
  background: linear-gradient(to top, rgba(10, 37, 64, 0.9) 0%, rgba(10, 37, 64, 0.3) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  opacity: 1;
  transition: all 0.5s ease;
}

@media (min-width: 1024px) {
  .work-card__overlay {
    opacity: 0;
    padding: 2.5rem;
    background: linear-gradient(to top, rgba(10, 37, 64, 0.9) 0%, transparent 70%);
  }
  .work-card:hover .work-card__overlay {
    opacity: 1;
  }
}

.work-card__category {
  color: var(--secondary);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-bottom: 0.25rem;
}
.work-card__title {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.4;
}

@media (min-width: 768px) {
  .work-card__category {
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
    transform: translateY(15px);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  }
  .work-card__title {
    font-size: 1.4rem;
    transform: translateY(15px);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  }
  .work-card:hover .work-card__category,
  .work-card:hover .work-card__title {
    transform: translateY(0);
  }
}

.index-works__view-all {
  margin-top: 3.5rem;
  text-align: center;
}
@media (min-width: 768px) {
  .index-works__view-all {
    margin-top: 5rem;
  }
}

/* From ./parts/index-flow.html */

.index-flow {
  padding: var(--section-padding, 8rem) 0;
  background-color: var(--base, #f9f9f9);
  position: relative;
  overflow: hidden;
}
.index-flow .section-title-wrapper {
  margin-bottom: 5rem;
  text-align: center;
}
.index-flow .flow-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}
.index-flow .flow-container::before {
  content: '';
  position: absolute;
  left: 31px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--secondary, #c5a059) 10%,
    var(--secondary, #c5a059) 90%,
    transparent
  );
  z-index: 0;
}
.index-flow .flow-item {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  position: relative;
  padding-bottom: 4rem;
  z-index: 1;
}
.index-flow .flow-badge {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background-color: var(--primary, #0a2540);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  border: 2px solid var(--base, #f9f9f9);
  box-shadow: 0 0 0 1px var(--primary, #0a2540);
}
.index-flow .flow-badge .step-label {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  line-height: 1;
  margin-bottom: 2px;
}
.index-flow .flow-badge .step-number {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
}
.index-flow .flow-content {
  padding-top: 0.5rem;
}
.index-flow .flow-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary, #0a2540);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.index-flow .flow-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--accent, #2d2d2d);
  opacity: 0.8;
}
.index-flow .cta-wrapper {
  margin-top: 5rem;
  text-align: center;
}

/* From ./parts/index-insta.html */

.insta-section {
  padding: clamp(4rem, 10vw, 8rem) 0;
  background-color: var(--base);
}
.insta-header {
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.insta-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.insta-id {
  font-size: 0.875rem;
  color: var(--secondary);
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-top: 0.5rem;
}
.insta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
@media (min-width: 768px) {
  .insta-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }
}
.insta-item {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background-color: #eee;
}
.insta-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.insta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 37, 64, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.insta-overlay .material-symbols-outlined {
  color: white;
  font-size: 2rem;
}
.insta-item:hover img {
  transform: scale(1.08);
}
.insta-item:hover .insta-overlay {
  opacity: 1;
}
.insta-footer {
  margin-top: 3rem;
  text-align: center;
}
.btn-insta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 1rem 2.5rem;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  transition: all 0.3s ease;
  text-decoration: none;
}
.btn-insta:hover {
  background-color: var(--primary);
  color: white;
}
.btn-insta:hover img {
  filter: brightness(0) invert(1);
}

/* From ./parts/index-hero.html */

.hero-section {
  position: relative;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background-color: var(--primary);
  margin-bottom: var(--hero-margin-bottom);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-swiper {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-swiper .swiper-slide {
  overflow: hidden;
}
.hero-swiper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
  transform: scale(1);
  transition: transform 8s ease-out;
}
.hero-swiper .swiper-slide-active img {
  transform: scale(1.15);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 37, 64, 0.8) 0%, rgba(10, 37, 64, 0.2) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  pointer-events: none;
}
.hero-content {
  max-width: 1000px;
  pointer-events: auto;
}

.hero-catch {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 6.5vw, 5.5rem);
  font-weight: 700;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
  /* 句読点の孤立を防ぐ設定 */
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.hero-sub {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--secondary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.btn-hero-primary {
  background-color: var(--secondary);
  color: #ffffff;
  padding: 1.1rem 2.5rem;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid var(--secondary);
}
.btn-hero-primary:hover {
  background-color: #ffffff;
  color: var(--primary);
  border-color: #ffffff;
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.btn-hero-outline {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  padding: 1.1rem 2.5rem;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
  backdrop-filter: blur(10px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.btn-hero-outline:hover {
  background-color: rgba(255, 255, 255, 1);
  color: var(--primary);
  transform: translateY(-5px);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: #ffffff;
  text-decoration: none;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--secondary);
  animation: scrollLineAnim 2.5s infinite ease-in-out;
}

@keyframes scrollLineAnim {
  0% {
    transform: translateY(-100%);
  }
  70% {
    transform: translateY(100%);
  }
  100% {
    transform: translateY(100%);
  }
}

@media (max-width: 768px) {
  .hero-catch {
    line-height: 1.4;
  }
  .hero-catch br {
    display: block !important;
  }
  .hero-actions {
    margin-top: 2rem;
    gap: 0.75rem;
  }
  .btn-hero-primary,
  .btn-hero-outline {
    width: 100%;
    padding: 0.9rem;
    font-size: 0.8rem;
  }
  /* ボタンと被らないようスクロール位置をさらに下げるか、要素間の距離を調整 */
  .hero-scroll {
    bottom: 1.5rem;
  }
  .scroll-line {
    height: 40px;
  }
}

/* From ./parts/index-indicator.html */

.index-indicator {
  background-color: var(--base);
  padding: clamp(3rem, 8vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}
.indicator-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 3rem;
}
@media (min-width: 768px) {
  .indicator-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }
}
.indicator-item {
  text-align: center;
  position: relative;
  padding: 1rem;
}
.indicator-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}
.indicator-number-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
}
.indicator-number {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  display: inline-block;
  min-width: 1.2ch;
}
.indicator-unit {
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
}

/* From ./parts/index-concept.html */

.index-concept {
  background-color: white;
  position: relative;
  overflow: hidden;
}
.concept-vertical-text {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.5em;
  line-height: 2;
}
.concept-line {
  width: 1px;
  height: 100px;
  background-color: var(--primary);
  margin: 0 auto;
}

/* From ./parts/index-business.html */

.business-section {
  padding: var(--section-padding) 0;
  background-color: var(--base);
  overflow: hidden;
}
.business-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 2rem;
}
@media (min-width: 768px) {
  .business-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}
.business-card {
  position: relative;
  height: 500px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: white;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.business-card:hover {
  transform: translateY(-10px);
}
.business-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 37, 64, 0.9) 0%, rgba(10, 37, 64, 0.2) 50%, transparent 100%);
  z-index: 1;
  transition: opacity 0.5s ease;
}
.business-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform 0.7s ease;
}
.business-card:hover img {
  transform: scale(1.1);
}
.business-card-content {
  position: relative;
  z-index: 2;
}
.business-card-category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--secondary);
  margin-bottom: 0.5rem;
  display: block;
}
.business-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.business-card-text {
  font-size: 0.875rem;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease 0.1s;
}
.business-card:hover .business-card-text {
  opacity: 0.9;
  transform: translateY(0);
}
.business-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--secondary);
  padding-bottom: 2px;
  color: var(--secondary);
  text-decoration: none;
}

/* From ./parts/index-works.html */

.index-works {
  padding-top: var(--section-padding, 5rem);
  padding-bottom: var(--section-padding, 5rem);
  background-color: #ffffff;
  overflow: hidden;
}
.index-works__header {
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* スマホ版：1カラムで横幅いっぱいに表示。他のセクションの画像と揃えるため。 */
.index-works__grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

.work-card {
  position: relative;
  overflow: hidden;
  background-color: var(--primary);
  width: 100%;
  /* スマホでは画像本来の迫力を出すため、高さ制限を緩める（または16:9程度に） */
  aspect-ratio: 16 / 10;
}

@media (min-width: 768px) {
  .index-works__header {
    margin-bottom: 4rem;
  }
  .index-works__grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
  }
  .work-card {
    aspect-ratio: 16 / 10;
  }
  .work-card:nth-child(1), .work-card--1 {
    grid-column: span 8;
  }
  .work-card:nth-child(2), .work-card--2 {
    grid-column: span 4;
  }
  .work-card:nth-child(3), .work-card--3 {
    grid-column: span 4;
  }
  .work-card:nth-child(4), .work-card--4 {
    grid-column: span 8;
  }
}

.work-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}
.work-card:hover .work-card__image {
  transform: scale(1.08);
}

.work-card__overlay {
  position: absolute;
  inset: 0;
  /* 下部からテキストを浮かび上がらせるグラデーション */
  background: linear-gradient(to top, rgba(10, 37, 64, 0.9) 0%, rgba(10, 37, 64, 0.3) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  opacity: 1;
  transition: all 0.5s ease;
}

@media (min-width: 1024px) {
  .work-card__overlay {
    opacity: 0;
    padding: 2.5rem;
    background: linear-gradient(to top, rgba(10, 37, 64, 0.9) 0%, transparent 70%);
  }
  .work-card:hover .work-card__overlay {
    opacity: 1;
  }
}

.work-card__category {
  color: var(--secondary);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-bottom: 0.25rem;
}
.work-card__title {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.4;
}

@media (min-width: 768px) {
  .work-card__category {
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
    transform: translateY(15px);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  }
  .work-card__title {
    font-size: 1.4rem;
    transform: translateY(15px);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  }
  .work-card:hover .work-card__category,
  .work-card:hover .work-card__title {
    transform: translateY(0);
  }
}

.index-works__view-all {
  margin-top: 3.5rem;
  text-align: center;
}
@media (min-width: 768px) {
  .index-works__view-all {
    margin-top: 5rem;
  }
}

/* From ./parts/index-insta.html */

.insta-section {
  padding: clamp(4rem, 10vw, 8rem) 0;
  background-color: var(--base);
}
.insta-header {
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.insta-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.insta-id {
  font-size: 0.875rem;
  color: var(--secondary);
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-top: 0.5rem;
}
.insta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
@media (min-width: 768px) {
  .insta-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }
}
.insta-item {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background-color: #eee;
}
.insta-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.insta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 37, 64, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.insta-overlay .material-symbols-outlined {
  color: white;
  font-size: 2rem;
}
.insta-item:hover img {
  transform: scale(1.08);
}
.insta-item:hover .insta-overlay {
  opacity: 1;
}
.insta-footer {
  margin-top: 3rem;
  text-align: center;
}
.btn-insta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 1rem 2.5rem;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  transition: all 0.3s ease;
  text-decoration: none;
}
.btn-insta:hover {
  background-color: var(--primary);
  color: white;
}
.btn-insta:hover img {
  filter: brightness(0) invert(1);
}

/* From ./parts/index-flow.html */

.index-flow {
  padding: var(--section-padding, 8rem) 0;
  background-color: var(--base, #f9f9f9);
  position: relative;
  overflow: hidden;
}
.index-flow .section-title-wrapper {
  margin-bottom: 5rem;
  text-align: center;
}
.index-flow .flow-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}
.index-flow .flow-container::before {
  content: '';
  position: absolute;
  left: 31px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--secondary, #c5a059) 10%,
    var(--secondary, #c5a059) 90%,
    transparent
  );
  z-index: 0;
}
.index-flow .flow-item {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  position: relative;
  padding-bottom: 4rem;
  z-index: 1;
}
.index-flow .flow-badge {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background-color: var(--primary, #0a2540);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', serif;
  border: 2px solid var(--base, #f9f9f9);
  box-shadow: 0 0 0 1px var(--primary, #0a2540);
}
.index-flow .flow-badge .step-label {
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  line-height: 1;
  margin-bottom: 2px;
}
.index-flow .flow-badge .step-number {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
}
.index-flow .flow-content {
  padding-top: 0.5rem;
}
.index-flow .flow-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary, #0a2540);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.index-flow .flow-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--accent, #2d2d2d);
  opacity: 0.8;
}
.index-flow .cta-wrapper {
  margin-top: 5rem;
  text-align: center;
}

/* From ./parts/news-detail-content.html */

.news-detail-wrapper {
  max-width: 900px;
  margin: 0 auto;
  background: white;
  padding: clamp(2rem, 8vw, 5rem);
  margin-top: -100px;
  position: relative;
  z-index: 20;
  box-shadow: 0 30px 60px rgba(10, 37, 64, 0.05);
}
.news-content-body {
  line-height: 2;
  color: #2d2d2d;
}
.news-content-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 3rem 0 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #c5a059;
  display: inline-block;
}
.news-content-body p {
  margin-bottom: 2rem;
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/news-list.html */

.news-list-section {
  padding: var(--section-padding) 0;
  background-color: var(--base);
}
.news-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.news-item {
  display: flex;
  align-items: flex-start;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(10, 37, 64, 0.1);
  text-decoration: none;
  color: var(--accent);
  transition: all 0.4s ease;
}
.news-item:hover {
  background: rgba(197, 160, 89, 0.03);
  padding-left: 1.5rem;
  color: var(--secondary);
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 2rem;
  min-width: 260px;
  flex-shrink: 0;
}
@media (max-width: 767px) {
  .news-item {
    flex-direction: column;
    gap: 1rem;
  }
  .news-meta {
    min-width: auto;
    gap: 1rem;
  }
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/news-list.html */

.news-list-section {
  padding: var(--section-padding) 0;
  background-color: var(--base);
}
.news-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.news-item {
  display: flex;
  align-items: flex-start;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(10, 37, 64, 0.1);
  text-decoration: none;
  color: var(--accent);
  transition: all 0.4s ease;
}
.news-item:hover {
  background: rgba(197, 160, 89, 0.03);
  padding-left: 1.5rem;
  color: var(--secondary);
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 2rem;
  min-width: 260px;
  flex-shrink: 0;
}
@media (max-width: 767px) {
  .news-item {
    flex-direction: column;
    gap: 1rem;
  }
  .news-meta {
    min-width: auto;
    gap: 1rem;
  }
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/rental-list.html */

.rental-list-section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
  background-color: var(--base);
}
.tab-btn {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 1rem 2.5rem;
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
  color: rgba(10, 37, 64, 0.4);
  cursor: pointer;
}
.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--secondary);
}
.rental-card {
  background: white;
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 1px solid rgba(0, 0, 0, 0.05);
  text-decoration: none;
  display: block;
  height: 100%;
}
.rental-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(10, 37, 64, 0.05);
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/rental-list.html */

.rental-list-section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
  background-color: var(--base);
}
.tab-btn {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 1rem 2.5rem;
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
  color: rgba(10, 37, 64, 0.4);
  cursor: pointer;
}
.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--secondary);
}
.rental-card {
  background: white;
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 1px solid rgba(0, 0, 0, 0.05);
  text-decoration: none;
  display: block;
  height: 100%;
}
.rental-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(10, 37, 64, 0.05);
}

/* From ./parts/works-detail-content.html */

.works-detail-section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}
.detail-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--secondary);
  margin-bottom: 0.5rem;
  display: block;
}
.detail-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 500;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 2rem;
}
.detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding-top: 2rem;
}
.meta-item-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: #999;
  margin-bottom: 0.25rem;
}
.meta-item-value {
  font-size: 1rem;
  color: var(--primary);
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/works-list.html */

.works-section {
  background-color: var(--base);
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}
.filter-btn {
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 0.75rem 1.5rem;
  color: var(--primary);
  opacity: 0.4;
  transition: all 0.4s ease;
  position: relative;
  border: none;
  background: transparent;
}
.filter-btn.active {
  opacity: 1;
}
.filter-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 2px;
  background-color: var(--secondary);
}
.work-card {
  background: white;
  display: flex;
  flex-direction: column;
  width: 100%;
  text-decoration: none;
  border: 1px solid rgba(0, 0, 0, 0.03);
  overflow: visible;
}
.work-image-wrapper {
  position: relative;
  width: 100%;
  height: 240px;
  flex-shrink: 0;
  overflow: hidden;
  background-color: #eee;
}
.work-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.work-card:hover .work-image {
  transform: scale(1.08);
}
.work-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  background-color: rgba(10, 37, 64, 0.9);
  color: white;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.8rem;
}

/* From ./parts/common-ref-subhero.html */

/* 個別パーツ内でのマージン・パディング微調整 */
.subhero-content {
  border-left: 2px solid var(--secondary);
  padding-left: 2rem;
}

/* From ./parts/works-list.html */

.works-section {
  background-color: var(--base);
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}
.filter-btn {
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 0.75rem 1.5rem;
  color: var(--primary);
  opacity: 0.4;
  transition: all 0.4s ease;
  position: relative;
  border: none;
  background: transparent;
}
.filter-btn.active {
  opacity: 1;
}
.filter-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 2px;
  background-color: var(--secondary);
}
.work-card {
  background: white;
  display: flex;
  flex-direction: column;
  width: 100%;
  text-decoration: none;
  border: 1px solid rgba(0, 0, 0, 0.03);
  overflow: visible;
}
.work-image-wrapper {
  position: relative;
  width: 100%;
  height: 240px;
  flex-shrink: 0;
  overflow: hidden;
  background-color: #eee;
}
.work-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.work-card:hover .work-image {
  transform: scale(1.08);
}
.work-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  background-color: rgba(10, 37, 64, 0.9);
  color: white;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.8rem;
}