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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  color: #4a474c;
  background-color: #ffffff;
  line-height: 1.8;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: opacity 0.3s ease;
}

ul,
ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

address {
  font-style: normal;
}

/* ========================================
   HEADER
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
}

.header__main {
  width: 100%;
  background-color: transparent;
}

.header__inner {
  max-width: 1400px;
  width: 100%;
  height: 111px;
  margin: 0 auto;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo-img {
  width: 200px;
  height: 48px;
}

.header__nav-area {
  display: flex;
  align-items: center;
  flex: 1;
  height: 100%;
  position: relative;
  margin-left: 60px;
  padding: 0 40px 0 0;
}

.header__nav-area::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -20px;
  right: calc((100% - 100vw) / 2);
  background-color: #f3f3f3;
  border-radius: 0 0 0 100px;
  transition: border-radius 0.25s ease 0.1s;
  z-index: -1;
  pointer-events: none;
}

.header__nav {
  flex: 1;
  display: flex;
  justify-content: center;
  margin: 0 30px;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.header__nav-item {
  position: relative;
}

.header__nav-item--dropdown::after {
  content: '';
  position: absolute;
  left: -20px;
  right: -20px;
  bottom: -30px;
  height: 30px;
  display: none;
}

.header__nav-item--active::after {
  display: block;
}

.header__nav-link {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 16px;
  color: #4a474c;
  letter-spacing: 1.6px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.3s ease;
  position: relative;
  padding-bottom: 4px;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #e60012;
  transition: width 0.3s ease;
}

.header__nav-link:hover {
  opacity: 1;
  color: #e60012;
}

.header__nav-link:hover::after {
  width: 100%;
}

.header__nav-arrow {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid #e60012;
  border-bottom: 1.5px solid #e60012;
  border-left: none;
  border-top: none;
  transform: rotate(45deg);
  margin-left: 6px;
  margin-bottom: 1px;
  transition: transform 0.3s ease;
}

.header__nav-link:hover .header__nav-arrow {
  transform: rotate(-135deg);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header__cta-btn {
  display: inline-flex;
  align-items: center;
  background-color: #e60012;
  color: #ffffff;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 1.8px;
  height: 58px;
  padding: 0 40px;
  gap: 16px;
  border-radius: 100px 10px 100px 10px;
  white-space: nowrap;
  transition: background-color 0.3s ease;
  flex-shrink: 0;
}

.header__cta-btn:hover {
  opacity: 1;
  background-color: #cc0010;
}

.header__cta-btn-arrow {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 19px;
  height: 19px;
  background-color: #ffffff;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
}

.header__cta-btn-arrow-img {
  width: 12px;
  height: auto;
  transform: translateX(-2px);
  transition: transform 0.3s ease;
}

.header__cta-btn:hover .header__cta-btn-arrow-img {
  transform: translateX(7px);
}

/* --- Submenu --- */
.header__nav-area:has(.header__nav-item--active)::before {
  border-radius: 0;
  transition: border-radius 0.25s ease;
}

.header__nav-item--active .header__nav-link {
  color: #e60012;
}

.header__nav-item--active .header__nav-link::after {
  width: 100%;
}

.header__submenu {
  position: fixed;
  top: 109px;
  padding-top: 2px;
  right: 0;
  left: calc(max(0px, (100vw - 1400px) / 2) + 240px);
  background-color: #f3f3f3;
  border-radius: 0 0 0 100px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-30px);
  transition: opacity 0.25s ease 0.08s, visibility 0.25s ease 0.08s, transform 0.25s ease 0.08s;
  z-index: 100;
}

.header__nav-item--active .header__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__submenu-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 50px 100px 60px;
  display: flex;
  align-items: flex-start;
  gap: 60px;
}

.header__submenu-main {
  flex-shrink: 0;
}

.header__submenu-title-en {
  font-family: 'Raleway', sans-serif;
  font-weight: 400;
  font-size: 48px;
  color: #4a474c;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.header__submenu-top-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 16px;
  color: #4a474c;
  transition: color 0.3s ease;
}

.header__submenu-top-link:hover {
  opacity: 1;
  color: #e60012;
}

.header__submenu-top-arrow {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 24px;
  height: 24px;
  background-color: #e60012;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
}

.header__submenu-top-arrow-img {
  width: 12px;
  height: auto;
  transform: translateX(-2px);
  transition: transform 0.3s ease;
  filter: brightness(0) invert(1);
}

.header__submenu-top-link:hover .header__submenu-top-arrow-img {
  transform: translateX(11px);
}

.header__submenu-divider {
  width: 1px;
  align-self: stretch;
  background-color: #d0d0d0;
}

.header__submenu-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px 60px;
  flex: 1;
}

.header__submenu-link {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  color: #4a474c;
  letter-spacing: 1px;
  transition: color 0.3s ease;
}

.header__submenu-link:hover {
  opacity: 1;
  color: #e60012;
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
  width: 100%;
  height: 100vh;
  background-color: #ffffff;
  position: fixed;
  top: 0;
  left: 0;
  overflow: hidden;
  z-index: 1;
}

.hero-spacer {
  height: 60vh;
}

.hero__inner {
  max-width: 1400px;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
}

/* Scroll Down Indicator */
.hero__scroll-indicator {
  position: absolute;
  left: 126px;
  bottom: 40px;
  opacity: 0;
  transform: translateY(-15px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.hero__scroll-indicator.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero__scroll-indicator-img {
  width: 27px;
  height: auto;
}

/* Hero Title */
.hero__title {
  position: absolute;
  left: 240px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  margin: 0;
  padding: 0;
  line-height: 0;
}

.hero__title-svg {
  width: 438px;
  height: auto;
}

.hero__title-char {
  fill: transparent;
  stroke: #4A474C;
  stroke-width: 0.5;
  stroke-dashoffset: var(--path-length);
  stroke-dasharray: var(--path-length);
}

.hero.is-title-animated .hero__title-char {
  animation: draw-stroke 0.9s ease forwards;
}

.hero.is-title-animated .hero__title-char:nth-child(1) { animation-delay: 0s; }
.hero.is-title-animated .hero__title-char:nth-child(2) { animation-delay: 0.15s; }
.hero.is-title-animated .hero__title-char:nth-child(3) { animation-delay: 0.3s; }
.hero.is-title-animated .hero__title-char:nth-child(4) { animation-delay: 0.45s; }
.hero.is-title-animated .hero__title-char:nth-child(5) { animation-delay: 0.6s; }
.hero.is-title-animated .hero__title-char:nth-child(6) { animation-delay: 0.75s; }
.hero.is-title-animated .hero__title-char:nth-child(7) { animation-delay: 0.9s; }

@keyframes draw-stroke {
  0% {
    stroke-dashoffset: var(--path-length);
    fill: transparent;
  }
  70% {
    stroke-dashoffset: 0;
    fill: transparent;
  }
  100% {
    stroke-dashoffset: 0;
    fill: #4A474C;
  }
}

/* Hero Mask */
.hero__mask {
  position: absolute;
  right: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: flex-end;
  z-index: 1;
}

.hero__mask-img {
  max-width: none;
  width: auto;
  height: 100%;
  object-fit: cover;
}

/* ========================================
   PRODUCTS / SERVICE SECTION
======================================== */
.products-wrapper {
  position: relative;
  z-index: 2;
  height: 300vh;
}

/* アニメ完了後のセクションロック解除（hero 無しページのみ付与） */
.products-wrapper.is-collapsed {
  height: auto;
}

.products-wrapper.is-collapsed .products {
  position: relative;
  height: auto;
  min-height: auto;
}

.products {
  --pu: min(1vw, 1.8vh);
  width: 100%;
  height: 100vh;
  padding: calc(3.47 * var(--pu)) 0 0;
  background: transparent;
  overflow: hidden;
  position: sticky;
  top: 0;
  transition: background 0.6s ease;
}

.products.is-bg-visible {
  background: linear-gradient(0deg, rgba(233, 233, 236, 1) 67%, rgba(255, 255, 255, 0.63) 94%);
}

.products__inner {
  max-width: calc(81 * var(--pu));
  width: 100%;
  margin: 0 auto;
  padding: calc(2.5 * var(--pu)) calc(4.63 * var(--pu)) 0;
  position: relative;
}

/* Gold Curve Band — draws in with clip-path animation */
.products__curve-shadow {
  position: absolute;
  bottom: calc(-31.5 * var(--pu));
  right: calc(-11.5 * var(--pu));
  width: calc(44 * var(--pu));
  height: auto;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.products.is-watch-visible .products__curve-shadow {
  opacity: 1;
}

.products__curve-shadow-img {
  width: 100%;
  height: auto;
  display: block;
}

.products__curve-band-wrapper {
  position: absolute;
  top: 0;
  left: calc(7.53 * var(--pu));
  width: calc(90.3 * var(--pu));
  height: auto;
  z-index: 0;
  pointer-events: none;
}

.products__curve-band {
  width: 100%;
  height: auto;
  clip-path: circle(0% at 5% 27%);
}

.products__curve-img {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(0.9) contrast(1.05);
  transition: filter 1s ease;
}

.products.is-curve-done .products__curve-img {
  filter: saturate(1.8) contrast(1.3);
}

.products.is-curve-visible .products__curve-band {
  animation: flowGoldCurve 1.8s linear 0.3s forwards;
}

@keyframes flowGoldCurve {
  0% {
    clip-path: circle(0% at 5% 27%);
  }
  15% {
    clip-path: circle(18% at 15% 15%);
  }
  30% {
    clip-path: circle(30% at 35% 5%);
  }
  45% {
    clip-path: circle(42% at 65% 3%);
  }
  60% {
    clip-path: circle(55% at 92% 12%);
  }
  75% {
    clip-path: circle(70% at 90% 28%);
  }
  90% {
    clip-path: circle(100% at 75% 35%);
  }
  100% {
    clip-path: circle(150% at 60% 35%);
  }
}

/* Gray Curve Band — background decoration */
.products__curve-band-gray {
  position: absolute;
  top: calc(-8.28 * var(--pu));
  left: calc(-15.20 * var(--pu));
  width: calc(143.4 * var(--pu));
  height: auto;
  z-index: 0;
  pointer-events: none;
  clip-path: circle(0% at 10% 5%);
}

.products__curve-img-gray {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(1.3) contrast(1.1);
}

.products.is-curve-visible .products__curve-band-gray {
  animation: flowGrayCurve 1.8s linear forwards;
}

@keyframes flowGrayCurve {
  0% {
    clip-path: circle(0% at 10% 5%);
  }
  15% {
    clip-path: circle(15% at 5% 25%);
  }
  30% {
    clip-path: circle(28% at 3% 45%);
  }
  45% {
    clip-path: circle(38% at 15% 65%);
  }
  60% {
    clip-path: circle(50% at 30% 80%);
  }
  75% {
    clip-path: circle(65% at 45% 60%);
  }
  90% {
    clip-path: circle(90% at 58% 40%);
  }
  100% {
    clip-path: circle(150% at 60% 25%);
  }
}

/* Watch — fades in softly during Phase 2 */
.products__watch {
  position: absolute;
  top: calc(10.42 * var(--pu));
  left: calc(-15.04 * var(--pu));
  width: calc(88.02 * var(--pu));
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.products.is-watch-visible .products__watch {
  opacity: 1;
  transform: translateY(0);
}

.products__watch-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(8px 18px 25px rgba(0, 0, 0, 0.6)) drop-shadow(4px 8px 8px rgba(0, 0, 0, 0.35));
}

.products__section-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: calc(1.16 * var(--pu));
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.products.is-text-visible .products__section-label {
  opacity: 1;
  transform: translateY(0);
}

.products__section-en {
  font-family: 'Dongle', 'Raleway', sans-serif;
  font-weight: 300;
  font-size: calc(1.74 * var(--pu));
  color: #adadad;
  letter-spacing: calc(0.09 * var(--pu));
}

.products__section-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: calc(0.69 * var(--pu));
  color: #3d3939;
  letter-spacing: calc(0.07 * var(--pu));
}

/* Products Layout - Staggered two-column */
.products__layout {
  position: relative;
  min-height: calc(43.4 * var(--pu));
  z-index: 1;
}

.products__wearable {
  width: calc(27.78 * var(--pu));
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
}

.products__material {
  position: absolute;
  left: calc(52 * var(--pu));
  top: calc(19.68 * var(--pu));
  width: calc(22 * var(--pu));
  z-index: 4;
  padding: 0;
}

/* Watch Image - overlapping center */
.products__watch-image {
  position: absolute;
  left: 200px;
  top: -30px;
  width: 750px;
  z-index: 3;
}

.products__watch-img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.products__card-content {
  display: flex;
  flex-direction: column;
}

.products__card-title {
  font-family: 'Raleway', sans-serif;
  font-weight: 400;
  font-size: calc(4.34 * var(--pu));
  color: #4a474c;
  letter-spacing: calc(0.22 * var(--pu));
  line-height: 1;
  margin-bottom: calc(1.16 * var(--pu));
}

.products__card-title--white {
  color: #ffffff;
}

.products__card-hashtag {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  font-size: calc(1.45 * var(--pu));
  color: #4a474c;
  letter-spacing: calc(0.14 * var(--pu));
  margin-bottom: calc(0.87 * var(--pu));
}

.products__card-hashtag--white {
  color: #ffffff;
}

.products__card-separator {
  margin-bottom: calc(1.5 * var(--pu));
}

.products__card-separator-img {
  width: auto;
  height: 2px;
}

.products__card-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: calc(0.93 * var(--pu));
  color: #4a474c;
  line-height: calc(1.85 * var(--pu));
  letter-spacing: calc(0.09 * var(--pu));
  margin-bottom: calc(1.16 * var(--pu));
}

.products__card-desc--white {
  color: #ffffff;
}

.products__material .products__card-desc {
  font-weight: 500;
}

.products__card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-top: auto;
  border: 1px solid #4a474c;
  border-radius: 30px;
  padding: 8px 16px;
  transition: opacity 0.3s ease;
  width: 227px;
  height: 42px;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 14px;
  color: #4a474c;
  letter-spacing: 1.4px;
  text-decoration: none;
}

.products__card-btn--material {
  border-color: #ffffff;
  color: #ffffff;
}

.products__card-btn-arrow {
  position: absolute;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background-color: #4a474c;
  overflow: hidden;
}

.products__card-btn--material .products__card-btn-arrow {
  background-color: #ffffff;
}

.products__card-btn-arrow-img {
  width: 15px;
  height: auto;
  transform: translateX(-2px);
  transition: transform 0.3s ease;
}

.products__card-btn:hover .products__card-btn-arrow-img {
  transform: translateX(10px);
}

/* --- Products Card Animation --- */
/* Initial hidden states */
.products__wearable .products__card-title {
  overflow: hidden;
  white-space: nowrap;
  width: 0;
  border-right: 2px solid transparent;
}

.products__wearable .products__card-hashtag {
  opacity: 0;
}

.products__wearable .products__card-separator-img {
  clip-path: inset(0 100% 0 0);
}

.products__wearable .products__card-desc {
  opacity: 0;
  transform: translateY(15px);
}

.products__wearable .products__card-btn {
  border-color: transparent;
  position: relative;
}

.products__wearable .products__card-btn::before {
  content: '';
  position: absolute;
  inset: -1px;
  border: 1px solid #4a474c;
  border-radius: 30px;
  clip-path: inset(0 100% 0 0);
}

.products__wearable .products__card-btn-text,
.products__wearable .products__card-btn-arrow {
  opacity: 0;
}

/* Animated states — all start together, all end at 0.8s */
.products__wearable.is-animated .products__card-title {
  animation: typing 0.8s steps(8) forwards, blink-caret 0.4s step-end 2;
}

.products__wearable.is-animated .products__card-hashtag {
  animation: fade-in 0.8s ease-out forwards;
}

.products__wearable.is-animated .products__card-separator-img {
  animation: line-grow 0.8s ease-out forwards;
}

.products__wearable.is-animated .products__card-desc {
  animation: fade-in-up 0.8s ease-out forwards;
}

.products__wearable.is-animated .products__card-btn::before {
  animation: border-draw 0.8s ease-out forwards;
}

.products__wearable.is-animated .products__card-btn-text,
.products__wearable.is-animated .products__card-btn-arrow {
  animation: fade-in 0.8s ease-out forwards;
}

/* --- MATERIAL Card Animation --- */
/* Initial hidden states */
.products__material .products__card-title {
  overflow: hidden;
  white-space: nowrap;
  width: 0;
  border-right: 2px solid transparent;
}

.products__material .products__card-hashtag {
  opacity: 0;
}

.products__material .products__card-separator-img {
  clip-path: inset(0 100% 0 0);
}

.products__material .products__card-desc {
  opacity: 0;
  transform: translateY(15px);
}

.products__material .products__card-btn {
  border-color: transparent;
  position: relative;
}

.products__material .products__card-btn::before {
  content: '';
  position: absolute;
  inset: -1px;
  border: 1px solid #ffffff;
  border-radius: 30px;
  clip-path: inset(0 100% 0 0);
}

.products__material .products__card-btn-text,
.products__material .products__card-btn-arrow {
  opacity: 0;
}

/* Animated states — all start together, all end at 0.8s */
.products__material.is-animated .products__card-title {
  animation: typing-white 0.8s steps(8) forwards, blink-caret-white 0.4s step-end 2;
}

.products__material.is-animated .products__card-hashtag {
  animation: fade-in 0.8s ease-out forwards;
}

.products__material.is-animated .products__card-separator-img {
  animation: line-grow 0.8s ease-out forwards;
}

.products__material.is-animated .products__card-desc {
  animation: fade-in-up 0.8s ease-out forwards;
}

.products__material.is-animated .products__card-btn::before {
  animation: border-draw 0.8s ease-out forwards;
}

.products__material.is-animated .products__card-btn-text,
.products__material.is-animated .products__card-btn-arrow {
  animation: fade-in 0.8s ease-out forwards;
}

@keyframes typing-white {
  from { width: 0; border-right-color: #ffffff; }
  to { width: 100%; border-right-color: transparent; }
}

@keyframes blink-caret-white {
  0% { border-right-color: #ffffff; }
  50% { border-right-color: transparent; }
}

@keyframes typing {
  from { width: 0; border-right-color: #4a474c; }
  to { width: 100%; border-right-color: transparent; }
}

@keyframes blink-caret {
  0% { border-right-color: #4a474c; }
  50% { border-right-color: transparent; }
}

@keyframes line-grow {
  to { clip-path: inset(0 0 0 0); }
}

@keyframes fade-in-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes border-draw {
  to { clip-path: inset(0 0 0 0); }
}

@keyframes fade-in {
  to { opacity: 1; }
}

/* ========================================
   CAMPAIGN BANNER
======================================== */
.campaign {
  width: 100%;
  position: sticky;
  top: 0;
  margin-top: -62px;
  overflow: hidden;
  z-index: 2;
}

.campaign__bg {
  width: 100%;
  height: 704px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Hover image - always present underneath */
.campaign__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/campaign/akiyama-hover.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
  pointer-events: none;
}

/* Default image - on top, fades out to reveal hover image */
.campaign__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/campaign/akiyama-default.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.82) saturate(0.85);
  z-index: 1;
  transition: opacity 0.3s ease;
}

.campaign:hover .campaign__bg::before {
  opacity: 0;
  transition: opacity 0.3s ease 0s;
}

/* Red overlay - slides in from left */
.campaign__overlay-red {
  position: absolute;
  top: 62px;
  left: 0;
  width: 0;
  height: 585px;
  background-color: #e60012;
  z-index: 2;
  transition: width 1s ease, opacity 0s ease;
}

.campaign:hover .campaign__overlay-red {
  width: 45%;
  opacity: 0;
  transition: width .8s ease, opacity 1s ease;
}

/* Black rectangle - behind 秋山隊長 text */
.campaign__overlay-black {
  position: absolute;
  top: 44px;
  left: -19px;
  width: 112%;
  height: 127px;
  background-color: #1f1e22;
  z-index: -1;
  transform: scale(0);
  transform-origin: left top;
  transition: transform 0.4s ease 0.1s;
}

.campaign:hover .campaign__overlay-black {
  transform: scale(1);
}

/* Vertical line extending downward from rectangle */
.campaign__overlay-black::before {
  content: '';
  position: absolute;
  top: 108%;
  left: 0;
  width: 1px;
  height: 220px;
  background-color: #1f1e22;
}

/* Horizontal line extending right from rectangle */
.campaign__overlay-black::after {
  content: '';
  position: absolute;
  top:  0;
  left: 102%;
  width: 220px;
  height: 1px;
  background-color: #1f1e22;
}

/* Black accent square */
.campaign__overlay-black-accent {
  position: absolute;
  top: 15px;
  left: -50px;
  width: 31px;
  height: 31px;
  background-color: #1f1e22;
  z-index: -1;
  transform: scale(0);
  transform-origin: left top;
  transition: transform 0.4s ease 0.1s;
}

.campaign:hover .campaign__overlay-black-accent {
  transform: scale(1);
}

/* Vertical line extending upward from square */
.campaign__overlay-black-accent::before {
  content: '';
  position: absolute;
  bottom: 120%;
  right: 0;
  width: 1px;
  height: 130px;
  background-color: #1f1e22;
}

/* Horizontal line extending left from square */
.campaign__overlay-black-accent::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 125%;
  width: 170px;
  height: 1px;
  background-color: #1f1e22;
}

.campaign__inner {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 7%;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 3;
}

.campaign__content {
  display: flex;
  flex-direction: column;
  position: relative;
  text-align: center;
}

/* Decorative lines wrapper */
.campaign__deco-lines {
  position: absolute;
  right: -30px;
  top: -35px;
}

.campaign__deco-line {
  position: absolute;
  background-color: #1f1e22;
}

/* Vertical line - always visible */
.campaign__deco-line--v1 {
  width: 1px;
  height: 70px;
  top: 0;
  right: 0;
}

/* Horizontal line - always visible */
.campaign__deco-line--h1 {
  width: 132px;
  height: 1px;
  top: 50px;
  right: -40px;
}

/* Additional lines - hover only */
.campaign__deco-line--v2 {
  display: none;
}

.campaign__deco-line--h2 {
  display: none;
}

.campaign__label {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  font-size: 23px;
  color: #1f1e22;
  letter-spacing: 2.3px;
}

.campaign__title {
  font-family: 'Corporate Logo ver3', 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 83px;
  color: #ffffff;
  line-height: 1;
}

.campaign__name {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
  font-size: 26px;
  color: #ffffff;
  letter-spacing: 2.6px;
  opacity: 0;
  overflow: hidden;
  transition: opacity 0.4s ease 0.25s;
}

.campaign:hover .campaign__name {
  opacity: 1;
}

.campaign__subtitle {
  font-family: 'Corporate Logo ver3', 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 31px;
  color: #1f1e22;
  letter-spacing: 3.1px;
  margin-bottom: 30px;
  text-align: center;
}

.campaign__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 286px;
  height: 51px;
  background: #1f1e22;
  color: #ffffff;
  border-radius: 121px;
  transition: background 0.3s ease;
  align-self: flex-start;
  margin: 0 auto;
}

.campaign__btn:hover {
  opacity: 1;
  background: #333;
}

.campaign__btn-icon {
  position: absolute;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 23px;
  height: 23px;
}

.campaign__btn-icon-img {
  width: 23px;
  height: 23px;
}

.campaign__btn-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 17px;
  color: #ffffff;
  letter-spacing: 1.69px;
}

/* ========================================
   PARTNERS (Works内)
======================================== */
.partners {
  width: 100%;
  margin-bottom: 48px;
}

.partners__label {
  font-family: 'Raleway', sans-serif;
  font-weight: 500;
  font-size: 18px;
  color: #aeaeae;
  letter-spacing: 0.9px;
  margin: 0 auto 30px;
  width: 90%;
}

.partners__marquee {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  overflow: hidden;
}

.partners__track {
  display: flex;
  gap: 12px;
  animation: marqueeScroll 30s linear infinite;
  width: max-content;
}

.partners__track--reverse {
  animation: marqueeScrollReverse 30s linear infinite;
}

@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-232px * 5 - 12px * 5));
  }
}

@keyframes marqueeScrollReverse {
  0% {
    transform: translateX(calc(-232px * 5 - 12px * 5));
  }
  100% {
    transform: translateX(0);
  }
}

.partners__card {
  flex-shrink: 0;
  width: 232px;
  height: 124px;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

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

/* ========================================
   WORKS SECTION
======================================== */
.works {
  width: 100%;
  padding: 120px 0;
  background: #f3f3f3;
  position: relative;
  z-index: 4;
}

.works::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 0;
  right: 60px;
  bottom: 0;
  background-color: #f7f7f7;
  border-radius: 0 200px 10px 0;
  z-index: -1;
}

.works__accent-bar {
  position: absolute;
  left: -12px;
  bottom: 0;
  width: 474px;
  height: 12px;
  background-color: #e60012;
  border-radius: 0 30px 0 0;
  z-index: 1;
}

.works__inner {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 100px;
  position: relative;
  z-index: 1;
}

.works__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 60px;
}

.works__title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-left: -12px;
}

.works__title {
  font-family: 'Raleway', sans-serif;
  font-weight: 500;
  font-size: 80px;
  color: #aeaeae;
  letter-spacing: 4px;
  line-height: 1;
}

.works__title-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 18px;
  color: #3d3939;
  letter-spacing: 1.8px;
}

.works__view-all-link {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 16px;
  color: #4a474c;
  letter-spacing: 1.6px;
  transition: color 0.3s ease;
}

.works__view-all-link:hover {
  opacity: 1;
  color: #1f1e22;
}

/* Works Grid */
.works__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 22px;
  row-gap: 16px;
  margin-bottom: 48px;
}

.works__card {
  background-color: #ffffff;
  border-radius: 11px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.works__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.works__card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.works__card-link:hover {
  opacity: 1;
}

.works__card-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #d9d9d9;
  overflow: hidden;
  flex-shrink: 0;
}
.works__card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.works__card-body {
  padding: 16px 16px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.works__card-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 18px;
  color: #4a474c;
  line-height: 30px;
  letter-spacing: 1.8px;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.works__card-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 0;
}

.works__card-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #b8b5b5;
  color: #ffffff;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 12px;
  padding: 3px 14px;
  border-radius: 100px;
  letter-spacing: 1.2px;
  min-width: 138px;
}

.works__card-company {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 14px;
  color: #4a474c;
  letter-spacing: 0.7px;
  line-height: 28px;
}

.works__card-hashtags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.works__card-hashtag {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 12px;
  color: #4a474c;
  display: flex;
  align-items: center;
  gap: 4px;
}

.works__card-hashtag-dot {
  display: none;
}

/* Works CTA */
.works__cta {
  display: flex;
  justify-content: flex-end;
}

.works__cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 297px;
  height: 51px;
  background-color: #1f1e22;
  color: #ffffff;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 17px;
  border-radius: 121px;
  letter-spacing: 1.69px;
  transition: background-color 0.3s ease;
}

.works__cta-btn:hover {
  opacity: 1;
  background-color: #333;
}

.works__cta-btn-arrow {
  position: absolute;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 22px;
  height: 22px;
  background-color: #ffffff;
  border-radius: 50%;
  overflow: hidden;
}

.works__cta-btn-arrow-img {
  width: 14px;
  height: auto;
  transform: translateX(-2px);
  transition: transform 0.3s ease;
}

.works__cta-btn:hover .works__cta-btn-arrow-img {
  transform: translateX(8px);
}

/* ========================================
   NEWS SECTION
======================================== */
.news {
  width: 100%;
  padding: 160px 0 120px 0;
  background: #f3f3f3;
  position: relative;
  z-index: 3;
}

.news::before {
  content: '';
  position: absolute;
  top: -80vw;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  aspect-ratio: 3456 / 7034;
  background: url('../images/news/news-bg-decoration.png') center / 100% auto no-repeat;
  z-index: -1;
  pointer-events: none;
}

.news__inner {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 100px;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 368px 1fr;
  grid-template-rows: auto 1fr;
}

.news__header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  grid-column: 1;
  grid-row: 1;
}

.news__title {
  font-family: 'Raleway', sans-serif;
  font-weight: 500;
  font-size: 80px;
  color: #aeaeae;
  letter-spacing: 4px;
  line-height: 1;
}

.news__title-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 18px;
  color: #3d3939;
  letter-spacing: 1.8px;
}

/* News List */
.news__list {
  grid-column: 2;
  grid-row: 1 / 3;
  margin-left: 0;
}

.news__item {
  border-bottom: 1px solid #4A474C;;
}


.news__item-link {
  display: flex;
  align-items: center;
  padding: 35px 0;
  gap: 0;
  transition: background-color 0.3s ease;
}

.news__item-date {
  font-family: 'DIN Alternate', 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 21px;
  color: #4a474c;
  letter-spacing: 2.52px;
  flex-shrink: 0;
  min-width: 154px;
}

.news__item-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #4a474c;
  border-radius: 100px;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 11px;
  color: #4a474c;
  padding: 3px 16px;
  letter-spacing: 1.1px;
  flex-shrink: 0;
  white-space: nowrap;
  min-width: 120px;
}

.news__item-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 18px;
  color: #4a474c;
  letter-spacing: 1.8px;
  flex: 1;
  line-height: 32px;
  margin: 0 35px;
}

.news__item-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-left: auto;
}

.news__item-arrow-img {
  width: 36px;
  height: 8px;
  transform-origin: right center;
  transition: transform 0.3s ease;
}

.news__item-link:hover .news__item-arrow-img {
  transform: translateX(20px) scaleX(1.5);
}

/* News CTA */
.news__cta {
  display: flex;
  justify-content: flex-start;
  grid-column: 1;
  grid-row: 2;
  align-self: start;
  margin-top: 26px;
}

.news__cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 256px;
  height: 50px;
  background-color: #1f1e22;
  color: #ffffff;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 17px;
  border-radius: 121px;
  letter-spacing: 1.69px;
  transition: background-color 0.3s ease;
}

.news__cta-btn:hover {
  opacity: 1;
  background-color: #333;
}

.news__cta-btn:hover .news__cta-btn-arrow-img {
  transform: translateX(8px);
}

.news__cta-btn-arrow {
  position: absolute;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 22px;
  height: 22px;
  background-color: #ffffff;
  border-radius: 50%;
  overflow: hidden;
}

.news__cta-btn-arrow-img {
  width: 14px;
  height: auto;
  transform: translateX(-2px);
  transition: transform 0.3s ease;
}

/* ========================================
   COLUMN SECTION
======================================== */
.column {
  width: 100%;
  padding: 80px 0 30px;
  position: relative;
  z-index: 3;
  background: rgba(240, 241, 242, 0.40);
}

.column__inner {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 30px;
}

.column__container {
  background-color: #f7f7f7a8;
  border-radius: 15px;
  box-shadow: 0px 4px 50px 0px rgba(0, 0, 0, 0.05);
  padding: 101px 180px 220px;
}

.column__header {
  margin-bottom: 76px;
}

.column__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.column__title-img {
  width: 361px;
  height: auto;
}

/* Column Grid */
.column__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 79px;
}

.column__card {
  transition: transform 0.3s ease;
}

.column__card:hover {
  transform: translateY(-4px);
}

.column__card-link {
  display: block;
}

.column__card-link:hover {
  opacity: 1;
}

.column__card-thumb {
  width: 100%;
  aspect-ratio: 297 / 191;
  background-color: #d9d9d9;
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
}

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

.column__card-body {
  padding: 0;
}

.column__card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.column__card-date {
  font-family: 'DIN Alternate', 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: #4a474c;
  letter-spacing: 0.12em;
}

.column__card-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e60012;
  border-radius: 999px;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 9px;
  line-height: 1.4;
  color: #e60012;
  padding: 4px 12px;
  letter-spacing: 0.1em;
  min-width: 88px;
}

.column__card-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 14px;
  color: #4a474c;
  line-height: 1.6;
  letter-spacing: 0.1em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Column CTA */
.column__cta {
  display: flex;
  justify-content: center;
}

.column__cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 372px;
  height: 51px;
  background-color: #1f1e22;
  color: #ffffff;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 17px;
  border-radius: 121px;
  letter-spacing: 1.69px;
  transition: background-color 0.3s ease;
}

.column__cta-btn-arrow {
  position: absolute;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 22px;
  height: 22px;
  background-color: #ffffff;
  border-radius: 50%;
  overflow: hidden;
}

.column__cta-btn:hover {
  opacity: 1;
  background-color: #333;
}

.column__cta-btn-arrow-img {
  width: 12px;
  height: auto;
  transform: translateX(-2px);
  transition: transform 0.3s ease;
}

.column__cta-btn:hover .column__cta-btn-arrow-img {
  transform: translateX(12px);
}

/* ========================================
   CTA SECTION
======================================== */
.cta {
  width: 100%;
  position: relative;
  z-index: 3;
}

.cta__wave {
  width: 100%;
  position: absolute;
  top: -43vw;
  left: 0;
  z-index: 0;
  pointer-events: none;
}

.cta__wave-img {
  display: block;
  width: 100vw;
  max-width: none;
  height: auto;
}

.cta__bg {
  background-color: #e60012;
  /* padding: 0 0 230px; */
  /* footerの重なり100px削除にともなう修正 */
  padding: 0 0 130px;
}

.cta__inner {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 80px;
}

.cta__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: 700px;
  margin: 0 auto;
}

/* CTA Card */
.cta__card {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: visible;
  text-decoration: none;
  color: inherit;
  padding: 0 3.3% 17px;
}

.cta__card:hover {
  opacity: 1;
}

/* 背景擬似要素 */
.cta__card::before {
  content: '';
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 30px;
  background: transparent;
  transition: background 0.3s ease;
  z-index: 0;
}

.cta__card:hover::before {
  background: #BD000F;
}

.cta__card--contact::before {
  top: 60px;
}

/* カード上部: 画像左 + テキスト右 */
.cta__card-body {
  display: flex;
  align-items: flex-end;
  gap: 22px;
  position: relative;
  z-index: 2;
  margin-bottom: -40px;
}

.cta__card-image {
  flex-shrink: 0;
  width: 44.7%;
  position: relative;
  z-index: 2;
}

.cta__card-image-doc {
  max-width: none;
  width: 311px;
  height: 244px;
  position: relative;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
  top: 45px;
}

.cta__card-image--contact {
  width: 44.7%;

}

.cta__card-person-img {
  width: 262px;
  height: 200px;
  object-fit: cover;
  position: relative;
  border-radius: 0 50px 0 0;
}

.cta__card-content {
  display: flex;
  flex-direction: column;
  padding-bottom: 55px;
  z-index: 1;
}

.cta__card-title-en {
  font-family: 'Raleway', sans-serif;
  font-weight: 500;
  font-size: 45px;
  color: #ffffff;
  letter-spacing: 2.25px;
  line-height: 1;
  margin-bottom: 6px;
}

.cta__card--contact .cta__card-title-en {
  letter-spacing: 2.53px;
}

.cta__card-title-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 18px;
  color: #ffffff;
  letter-spacing: 1.82px;
  text-align: center;
}

.cta__card--contact .cta__card-title-ja {
  letter-spacing: 2.2px;
}

/* カード下部: ボタン */
.cta__card-btn {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  width: 100%;
  height: 54px;
  background-color: #1f1e22;
  color: #ffffff;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 17px;
  padding-right: 19px;
  border-radius: 122px;
  letter-spacing: 1.71px;
  position: relative;
  z-index: 1;
}

.cta__card-btn-arrow {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 23px;
  height: 23px;
  background-color: #ffffff;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.cta__card-btn-arrow-img {
  width: 12px;
  height: auto;
  transform: translateX(-2px);
  transition: transform 0.3s ease;
}

.cta__card:hover .cta__card-btn-arrow-img {
  transform: translateX(10px);
}

/* ========================================
   COMMON: Page-wide fixed background
   （複数ページで使用する固定背景）
======================================== */
.c-page-bg {
  position: fixed;
  inset: 0;
  background: url("../images/works/page-bg.png") center/cover no-repeat;
  background-image: image-set(
    url("../images/works/page-bg.png.webp") type("image/webp"),
    url("../images/works/page-bg.png") type("image/png")
  );
  pointer-events: none;
  z-index: -1;
}

.c-page-bg--tech {
  background:
    linear-gradient(rgba(233, 232, 240, 0.67), rgba(233, 232, 240, 0.67)),
    url("../images/technology/technology-hero-bg.png") center/cover no-repeat;
  background-image:
    linear-gradient(rgba(233, 232, 240, 0.67), rgba(233, 232, 240, 0.67)),
    image-set(
      url("../images/technology/technology-hero-bg.png.webp") type("image/webp"),
      url("../images/technology/technology-hero-bg.png") type("image/png")
    );
}

/* ========================================
   FOOTER
======================================== */
.footer {
  width: 100%;
  position: relative;
  z-index: 3;
}

.footer--red-bg {
  background: #E60012;
}

.footer--white-bg {
  background: #ffffff;
}

.footer__bg {
  background-color: #3f4145;
  padding: 85px 0;
  position: relative;
  overflow: hidden;
  border-top-right-radius: 300px;
  z-index: 1;
}

.footer__bg-text {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1434px;
  height: 344px;
  user-select: none;
  pointer-events: none;
}

.footer__inner {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 0 100px;
  position: relative;
  z-index: 1;
}

/* Footer Company */
.footer__company {
  margin-bottom: 60px;
}

.footer__logo {
  width: 326px;
  height: 76px;
  margin-bottom: 20px;
}

.footer__company-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 14.85px;
  color: #ffffff;
  letter-spacing: 1.485px;
  line-height: 33px;
  margin-bottom: 6px;
}

.footer__address {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 14.85px;
  color: #ffffff;
  line-height: 33px;
  letter-spacing: 1.485px;
}

/* Footer Navigation + CTA area */
.footer__nav-area {
  position: relative;
  margin-bottom: 60px;
  padding-bottom: 60px;
}

.footer__nav {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.3fr 0.8fr 0.8fr;
  gap: 30px;
}

/* SP専用 footer nav: PCでは非表示 */
.footer__nav-sp {
  display: none;
}

.footer__nav-heading {
  display: block;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: #ffffff;
  letter-spacing: 1.7px;
  margin-bottom: 20px;
}

.footer__nav-heading--mt {
  margin-top: 30px;
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__nav-list--no-heading {
  padding-top: 0;
}

.footer__nav-link {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 13.5px;
  color: #ffffff;
  letter-spacing: 1.35px;
}

.footer__nav-link--lg {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 1.7px;
}

/* Footer CTA */
.footer__cta {
  position: absolute;
  right: 0;
  bottom: 0;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 12px 48px;
  border-radius: 100px;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 500;
  font-size: 16.5px;
  letter-spacing: 1.65px;
  min-width: 363px;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.footer__cta-btn--document {
  color: #ffffff;
  background-color: #1f1e22;
}

.footer__cta-btn--document:hover {
  opacity: 0.85;
}

.footer__cta-btn--contact {
  color: #ffffff;
  background-color: #e60012;
  border: 1.5px solid #e60012;
}

.footer__cta-btn--contact:hover {
  opacity: 1;
  background-color: #cc0010;
  border-color: #cc0010;
}

.footer__cta-btn-arrow {
  position: absolute;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background-color: #ffffff;
  overflow: hidden;
  flex-shrink: 0;
}

.footer__cta-btn-arrow-img {
  width: 12px;
  height: auto;
  transform: translateX(-2px);
  transition: transform 0.3s ease;
}

.footer__cta-btn:hover .footer__cta-btn-arrow-img {
  transform: translateX(7px);
}

/* Copyright */
.footer__copyright {
  text-align: left;
}

.footer__copyright p {
  font-family: 'DIN Alternate', 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: #ffffff;
  letter-spacing: 1.26px;
}

/* ========================================
   FLOATING BUTTON
======================================== */
.floating-btn {
  position: fixed;
  right: 70px;
  bottom: 50px;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-15px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.floating-btn--visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.floating-btn__link {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.floating-btn__link:hover {
  opacity: 1;
}

.floating-btn__text {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 16px;
  color: #4a474c;
  letter-spacing: 1.6px;
}

.floating-btn__icon {
  position: relative;
  width: 82px;
  height: 82px;
}

.floating-btn__icon svg {
  width: 82px;
  height: 82px;
}

.floating-btn__icon-default {
  transition: opacity 0.3s ease;
}

/* Ripple element - positioned at SVG circle center (cx=57/119, cy=61/120) */
.floating-btn__ripple {
  position: absolute;
  top: 50.8%;
  left: 47.9%;
  width: 50px;
  height: 50px;
  transform: translate(-50%, -50%) scale(0);
  border: 2.5px solid #E60012;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
}

.floating-btn__ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%) scale(0);
  border: 2.5px solid #E60012;
  border-radius: 50%;
  opacity: 0;
}

.floating-btn__ripple--animating {
  animation: ripple 1.4s ease-out forwards;
}

.floating-btn__ripple--animating::after {
  animation: ripple 1.4s ease-out 0.2s forwards;
}

@keyframes ripple {
  0% {
    transform: translate(-50%, -50%) scale(0.6);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.3);
    opacity: 0;
  }
}

/* ========================================
   UTILITY / ANIMATION
======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE - TABLET (max-width: 1024px)
======================================== */
/* --- 1460px: ヘッダー中間帯 --- */
@media (max-width: 1460px) {
  .header__inner {
    height: 95px;
    padding: 0 24px;
  }

  .header__inner::before {
    left: 150px;
    border-radius: 0 0 0 50px;
  }

  .header__nav-area {
    margin-left: 20px;
    padding: 0 16px 0 0;
  }

  /* submenu の left (75vw - 601px) と視覚的に同期。
     1140px→10px / 1400px→205px / 1460px→220px。
     nav-area の viewport X 位置が 1400px 超で中央寄せに変わるため piecewise:
       W ≤ 1400: calc(75vw - 845px)
       W > 1400: calc(25vw - 145px) */
  .header__nav-area::before {
    left: clamp(10px, min(calc(75vw - 845px), calc(25vw - 145px)), 220px);
    right: calc(-1 * (100vw - 100%) / 2 - 24px);
    border-radius: 0 0 0 100px;
  }

  .header__nav {
    margin: 0 12px;
    justify-content: flex-end;
  }

  .header__nav-list {
    gap: 16px;
  }

  .header__nav-link {
    font-size: 14px;
    letter-spacing: 1px;
  }

  .header__cta-btn {
    min-width: 180px;
    height: 46px;
    font-size: 13px;
    padding: 0 20px;
    gap: 8px;
  }

  /* Submenu adjustments - 1140px→254px / 1460px→494px の線形補間 */
  .header__submenu {
    top: 93px;
    left: calc(75vw - 601px);
    right: 0;
  }
  .header__submenu-inner {
    padding: 36px 60px 44px;
  }
  .header__submenu-title-en {
    font-size: 36px;
  }
  .header__submenu-top-link {
    font-size: 14px;
  }
  .header__submenu-links {
    gap: 16px 40px;
  }
  .header__submenu-link {
    font-size: 14px;
  }
}

@media (max-width: 1139px) {

  /* --- HEADER --- */
  .header__inner {
    height: 80px;
    padding: 0 20px;
  }

  .header__inner::before {
    left: 130px;
    border-radius: 0 0 0 50px;
  }

  .header__logo-img {
    width: 130px;
    height: auto;
  }

  .header__nav-area {
    margin-left: 16px;
    padding: 0 12px 0 0;
  }

  .header__nav-area::before {
    left: 0;
    right: calc(-1 * (100vw - 100%) / 2 - 20px);
    border-radius: 0 0 0 100px;
  }

  .header__nav {
    margin: 0 8px;
    justify-content: flex-end;
  }

  .header__nav-list {
    gap: clamp(10px, calc(10px + (100vw - 900px) * 0.1255), 40px);
  }

  .header__nav-link {
    font-size: 11px;
    letter-spacing: 0.6px;
  }

  .header__cta-btn {
    min-width: 150px;
    height: 42px;
    font-size: 11px;
    padding: 0 14px;
    gap: 6px;
  }

  /* Submenu adjustments */
  /* padding(20) + logo(130) + margin(16) + before-left(0) = 166 */
  .header__submenu {
    top: 78px;
    left: 166px;
    right: 0;
  }
  .header__submenu-inner {
    padding: 28px 40px 36px;
  }
  .header__submenu-title-en {
    font-size: 28px;
  }
  .header__submenu-top-link {
    font-size: 12px;
  }
  .header__submenu-top-arrow {
    width: 20px;
    height: 20px;
  }
  .header__submenu-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 30px;
  }
  .header__submenu-link {
    font-size: 12px;
  }
  .header__submenu-divider {
    margin: 0 24px;
  }

  /* --- HERO --- */
  .hero {
    height: 700px;
  }

  .hero__title {
    font-size: 42px;
    letter-spacing: 4px;
    line-height: 56px;
    left: 80px;
    top: 260px;
  }

  .hero__scroll-indicator {
    left: 60px;
    top: 540px;
  }

  /* --- PRODUCTS --- */
  .products {
    aspect-ratio: auto;
    max-height: none;
    padding: 50px 0 60px;
  }

  .products__inner {
    padding: 0 40px;
  }

  .products__watch {
    width: 450px;
  }

  .products__layout {
    min-height: auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
  }

  .products__wearable {
    width: 50%;
  }

  .products__material {
    position: relative;
    left: auto;
    top: auto;
    width: 50%;
    align-self: flex-end;
  }

  .products__card-title {
    font-size: 50px;
  }

  .products__card-hashtag {
    font-size: 20px;
  }

  .products__card-desc {
    font-size: 14px;
    line-height: 28px;
  }

  /* --- CAMPAIGN --- */
  .campaign__bg {
    height: 500px;
  }

  .campaign__overlay-red {
    height: 440px;
  }

  .campaign__title {
    font-size: 56px;
  }

  .campaign__label {
    font-size: 18px;
  }

  .campaign__subtitle {
    font-size: 24px;
  }

  .campaign__name {
    font-size: 20px;
  }

  .campaign__btn {
    width: 240px;
    height: 46px;
  }

  /* --- WORKS --- */
  .works__inner {
    padding: 0 40px;
  }

  .works__grid {
    grid-template-columns: repeat(3, 200px);
    justify-content: center;
  }


  .works__card-body {
    padding: 14px 14px 16px;
  }

  .works__card-title {
    font-size: 15px;
    line-height: 1.6;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
  }

  .works__card-meta {
    gap: 8px;
  }

  .works__card-tag {
    padding: 3px 12px;
    min-width: 0;
    font-size: 11px;
    letter-spacing: 0.08em;
  }

  .works__card-company {
    font-size: 12px;
    line-height: 1.5;
    letter-spacing: 0.04em;
  }

  .works__card-hashtags {
    gap: 6px 10px;
    margin-top: 8px;
  }

  .works__card-hashtag {
    font-size: 11px;
    letter-spacing: 0.04em;
  }

  .works__title {
    font-size: 56px;
  }

  /* --- NEWS --- */
  .news__inner {
    padding: 0 40px;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .news__header {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 40px;
  }

  .news__list {
    grid-column: 1;
    grid-row: 2;
  }

  .news__cta {
    grid-column: 1;
    grid-row: 3;
    margin-top: 30px;
  }

  .news__title {
    font-size: 56px;
  }

  .news__item-link {
    padding: 24px 0;
  }

  .news__item-title {
    font-size: 16px;
    margin: 0 20px;
  }

  /* --- COLUMN --- */
  .column__container {
    padding: 60px 40px 120px;
  }

  .column__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* --- CTA --- */
  .cta__inner {
    padding: 0 40px;
  }

  /* --- FOOTER --- */
  .footer__inner {
    padding: 0 40px;
  }

  .footer__nav {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .footer__bg {
    border-top-right-radius: 150px;
  }
}

/* ========================================
   RESPONSIVE - MOBILE (max-width: 768px)
======================================== */
/* --- 899px: ヘッダーSP切替 --- */
@media (max-width: 899px) {
  .header {
    z-index: 1002;
  }
  .header__main {
    position: relative;
    z-index: 1001;
    background-color: #fff;
  }
  .header__inner {
    height: 56px;
    padding: 0 12px;
    gap: 8px;
  }

  .header__inner::before {
    left: 0;
    border-radius: 0;
  }

  .header__logo-img {
    width: 100px;
  }

  .header__nav-area {
    flex: 0 0 auto;
    margin-left: 0;
    padding: 0;
  }
  .header__nav-area::before {
    display: none;
  }
  .header__nav {
    display: none;
  }

  .header__cta-btn {
    min-width: 120px;
    height: 36px;
    font-size: 11px;
    padding: 0 12px;
    gap: 6px;
    border-radius: 80px 8px 80px 8px;
  }
  .header__cta-btn-arrow {
    width: 18px;
    height: 18px;
  }
}

@media (max-width: 768px) {

  /* --- HERO --- */
  .hero {
    height: 720px;
  }

  .hero__title {
    font-size: 32px;
    letter-spacing: 3.2px;
    line-height: 48px;
    left: 24px;
    top: 253px;
  }

  .hero__title-svg {
    width: 320px;
  }

  .hero__scroll-indicator {
    left: 24px;
    top: auto;
    bottom: 40px;
  }

  .hero__scroll-indicator-img {
    width: 20px;
  }

  /* --- PRODUCTS --- */
  /* Keep sticky 100vh (wrapper 300vh + products sticky) for hero fade transition.
     Compact content to fit within 100vh on SE (667vh) */
  .products {
    padding: 20px 0 30px;
  }

  .products__inner {
    padding: 0 24px;
  }

  /* Watch: positioned with vh-based top (scales with sticky 100vh section) */
  .products__watch {
    top: 34%;
    bottom: auto;
    left: -70%;
    right: auto;
    width: 150%;
    max-width: none;
    transform: none;
  }

  /* Curve backgrounds: % of 100vh section (consistent across devices) */
  .products__curve-band-wrapper {
    top: 22%;
    left: -50%;
    width: 190%;
  }

  .products__curve-band-gray {
    top: 13%;
    left: -103%;
    width: 311%;
  }

  .products__curve-shadow {
    bottom: -10%;
    right: -40%;
    width: 110%;
  }

  /* Staggered layout */
  .products__layout {
    position: relative;
    display: block;
    min-height: auto;
    gap: 0;
  }

  /* WEARABLE: left-aligned, fluid margin-bottom creates watch gap */
  .products__wearable {
    width: 70%;
    max-width: 260px;
    margin: 0 0 clamp(100px, 20vh, 200px) 0;
    position: relative;
    z-index: 3;
  }

  /* MATERIAL: right-aligned, overlays watch bg per Figma */
  .products__material {
    position: relative;
    left: auto;
    top: auto;
    width: 65%;
    max-width: 240px;
    margin: 0 0 0 auto;
    z-index: 4;
  }

  /* Typography — fluid + compact to fit 100vh on SE */
  .products__card-title {
    font-size: clamp(28px, 8.2vw, 36px);
    letter-spacing: 0.03em;
    margin-bottom: 8px;
  }

  .products__card-hashtag {
    font-size: clamp(13px, 3.6vw, 16px);
    margin-bottom: 8px;
    line-height: 1.5;
  }

  .products__card-separator {
    margin-bottom: 12px;
  }

  .products__card-desc {
    font-size: clamp(11px, 3vw, 13px);
    line-height: 1.65;
    letter-spacing: 0.05em;
    margin-bottom: 14px;
  }

  .products__card-btn {
    width: clamp(160px, 45vw, 190px);
    padding: 5px 12px 5px 18px;
  }

  .products__card-btn-text {
    font-size: clamp(11px, 3vw, 13px);
    letter-spacing: 0.08em;
  }

  .products__card-btn-arrow {
    width: 20px;
    height: 20px;
  }

  .products__card-btn-arrow-img {
    width: 12px;
  }

  .products__section-label {
    margin-bottom: 14px;
  }

  .products__section-en {
    font-size: clamp(18px, 5.5vw, 24px);
  }

  .products__section-ja {
    font-size: clamp(9px, 2.6vw, 11px);
  }

  /* --- CAMPAIGN --- */
  .campaign {
    top: 0;
  }

  .campaign__bg {
    height: 400px;
  }

  .campaign__overlay-red {
    top: 0;
    height: 100%;
  }

  .campaign__inner {
    padding: 0 20px;
  }

  .campaign__title {
    font-size: 40px;
  }

  .campaign__label {
    font-size: 16px;
  }

  .campaign__subtitle {
    font-size: 20px;
    margin-bottom: 20px;
  }

  .campaign__name {
    font-size: 18px;
  }

  .campaign__btn {
    width: 220px;
    height: 42px;
  }

  .campaign__btn-text {
    font-size: 14px;
  }

  .campaign__overlay-black {
    display: none;
  }

  .campaign__overlay-black-accent {
    display: none;
  }

  .campaign__deco-lines {
    display: none;
  }

  /* --- PARTNERS --- */
  .partners__card {
    width: 160px;
    height: 86px;
  }

  @keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-160px * 5 - 12px * 5)); }
  }

  @keyframes marqueeScrollReverse {
    0% { transform: translateX(calc(-160px * 5 - 12px * 5)); }
    100% { transform: translateX(0); }
  }

  /* --- WORKS --- */
  .works {
    padding: 60px 0;
  }

  .works::before {
    top: 0;
    right: 20px;
    bottom: 40px;
    border-radius: 0 100px 10px 0;
  }

  .works__inner {
    padding: 0 24px;
  }

  .works__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 32px;
  }

  .works__title {
    font-size: 40px;
  }

  .works__grid {
    grid-template-columns: repeat(2, 165px);
    gap: 16px;
    justify-content: center;
  }

  .works__card {
    border-radius: 8px;
  }

  .works__card-body {
    padding: 12px 10px 14px;
  }

  .works__card-title {
    font-size: 13px;
    line-height: 1.6;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
  }

  .works__card-meta {
    gap: 6px;
  }

  .works__card-tag {
    padding: 2px 10px;
    min-width: 0;
    font-size: 10px;
    letter-spacing: 0.08em;
  }

  .works__card-company {
    font-size: 11px;
    line-height: 1.5;
    letter-spacing: 0.04em;
  }

  .works__card-hashtags {
    gap: 4px 8px;
    margin-top: 8px;
  }

  .works__card-hashtag {
    font-size: 10px;
    letter-spacing: 0.04em;
  }

  .works__accent-bar {
    width: 200px;
    height: 8px;
  }

  .works__cta {
    justify-content: center;
  }

  .works__cta-btn {
    width: 100%;
    max-width: 300px;
  }

  /* --- NEWS --- */
  .news {
    padding: 80px 0 60px;
  }

  .news__inner {
    padding: 0 20px;
  }

  .news__title {
    font-size: 40px;
  }

  .news__item-link {
    flex-wrap: wrap;
    padding: 16px 0;
    gap: 8px;
  }

  .news__item-date {
    font-size: 16px;
    min-width: auto;
  }

  .news__item-tag {
    font-size: 10px;
    min-width: auto;
    padding: 2px 10px;
  }

  .news__item-title {
    width: 100%;
    margin: 0;
    font-size: 14px;
    line-height: 26px;
  }

  .news__item-arrow {
    display: none;
  }

  .news__cta {
    justify-content: center;
  }

  .news__cta-btn {
    width: 100%;
    max-width: 300px;
  }

  /* --- COLUMN --- */
  .column {
    padding: 40px 0 20px;
    background: #f3f3f3;
  }

  .column__inner {
    padding: 0 16px;
  }

  .column__container {
    padding: 40px 20px 80px;
  }

  .column__title-img {
    width: 240px;
  }

  .column__header {
    margin-bottom: 40px;
  }

  .column__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .column__cta-btn {
    width: 100%;
    max-width: none;
    height: 48px;
    font-size: 14px;
    border-radius: 999px;
  }

  /* --- CTA --- */
  .cta__inner {
    padding: 0 20px;
  }

  .cta__card-person-img {
    width: 200px;
    height: auto;
  }

  .cta__card-title-en {
    font-size: 28px;
    text-align: center;
  }

  .cta__card-title-ja {
    text-align: center;
  }

  .cta__card-content {
    padding-bottom: 30px;
    align-items: center;
  }

  .cta__bg {
    padding: 0 0 120px;
  }

  /* --- FOOTER --- */
  .footer__bg {
    border-top-right-radius: 80px;
    padding: 50px 0;
  }

  .footer__inner {
    padding: 0 20px;
  }

  .footer__logo {
    width: 220px;
    height: auto;
  }

  .footer__nav {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .footer__cta {
    position: static;
    transform: none;
    flex-direction: column;
    margin-top: 30px;
  }


  .footer__bg-text {
    display: none;
  }

  /* --- FLOATING BTN --- */
  .floating-btn {
    right: 10px;
  }

  .floating-btn__link {
    gap: 8px;
  }

  .floating-btn__icon {
    width: 56px;
    height: 56px;
  }

  .floating-btn__icon svg {
    width: 56px;
    height: 56px;
  }

  .floating-btn__text {
    font-size: 12px;
    letter-spacing: 1.2px;
  }
}

/* ===== Hamburger & Drawer (PC: hidden, SP: visible) ===== */

/* PC: hide hamburger */
.header__hamburger {
  display: none;
}
.footer__nav-col--sp-only {
  display: none;
}
.header__drawer {
  display: none;
}
.header__drawer-overlay {
  display: none;
}

@media (max-width: 899px) {
  /* Show hamburger button */
  .header__hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: relative;
  }
  .header__hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background-color: #3D3939;
    transition: all 0.3s ease;
  }
  .header__hamburger.is-open .header__hamburger-line:nth-child(1) {
    transform: rotate(45deg) translateY(5px) translateX(5px);
  }
  .header__hamburger.is-open .header__hamburger-line:nth-child(2) {
    opacity: 0;
  }
  .header__hamburger.is-open .header__hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translateY(-5px) translateX(5px);
  }

  /* Drawer menu (Figma 3933:20701 準拠) */
  .header__drawer {
    display: block;
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 393px;
    height: 100vh;
    background-color: #F4F4F4;
    border-radius: 0 0 0 50px;
    z-index: 1000;
    padding: 80px 0 72px;
    overflow-y: auto;
    transition: right 0.3s ease;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  }
  .header__drawer.is-open {
    right: 0;
  }

  /* Drawer overlay */
  .header__drawer-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 999;
  }
  .header__drawer-overlay.is-open {
    display: block;
  }

  /* Drawer list */
  .header__drawer-list {
    list-style: none;
    padding: 24px 48px 44px;
    margin: 0;
  }
  .header__drawer-item {
    border-bottom: 1px solid #AEAEAE;
  }
  .header__drawer-item:first-child {
    border-top: 1px solid #AEAEAE;
  }
  .header__drawer-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 12px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    color: #4A474C;
    text-decoration: none;
    letter-spacing: 0.1em;
  }
  .header__drawer-arrow {
    display: inline-block;
    width: 16px;
    height: 6px;
    background-color: #4A474C;
    -webkit-mask: url("../images/footer/btn-arrow.svg") center/contain no-repeat;
            mask: url("../images/footer/btn-arrow.svg") center/contain no-repeat;
    flex-shrink: 0;
    margin-right: 4px;
  }
  .header__drawer-sublist {
    list-style: none;
    padding: 0 0 16px 32px;
    margin: 0;
  }
  .header__drawer-sublist li a {
    display: block;
    padding: 8px 0;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: #4A474C;
    letter-spacing: 0.08em;
    text-decoration: none;
  }

  /* Drawer footer CTA buttons */
  .header__drawer-footer {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 0 48px;
    margin-top: 24px;
  }
  .header__drawer-footer-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 56px;
    padding: 0 48px 0 16px;
    border-radius: 999px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: #fff;
    text-decoration: none;
  }
  .header__drawer-footer-btn--dark {
    background-color: #1F1E22;
  }
  .header__drawer-footer-btn--red {
    background-color: #E60012;
  }
  .header__drawer-footer-btn-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 22px;
    height: 22px;
    background-color: #fff;
    border-radius: 50%;
    overflow: hidden;
  }
  .header__drawer-footer-btn-arrow-img {
    width: 11px;
    height: auto;
    transform: translateX(-2px);
  }

  /* Footer SP: PC nav を非表示にして SP専用 nav (.footer__nav-sp) に切替 */
  .footer__nav {
    display: none;
  }
  .footer__nav-sp {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(5, auto);
    grid-auto-flow: column;
    column-gap: 16px;
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .footer__nav-sp > li {
    padding: 8px 0;
  }
  .footer__nav-sp > li > a {
    display: block;
    color: #fff;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    font-size: 14px;
    line-height: 1.4;
    letter-spacing: 0.1em;
    text-decoration: none;
  }
  .footer__nav-area {
    margin-bottom: 40px;
    padding-bottom: 0;
  }
  .footer__nav-area::after {
    display: none;
  }
  .footer__company-name {
    font-size: 14px;
  }
  .footer__address {
    font-size: 13px;
    line-height: 1.8;
  }
  .footer__copyright p {
    font-size: 11px;
  }

  /* CTA SP - 2点固定(375px/899px) + clamp統一補間 */
  .cta__bg {
    padding: 30px 0 60px;
  }
  .cta__grid {
    max-width: none;
    gap: 30px;
  }
  .cta__inner {
    padding: 0 16px;
    max-width: clamp(340px, calc(340px + (100vw - 375px) * 0.39122), 545px);
  }
  .cta__card {
    padding: 0 3% 10px;
  }
  .cta__card-body {
    gap: clamp(8px, calc(8px + (100vw - 375px) * 0.01527), 16px);
    margin-bottom: clamp(-30px, calc(-15px + (100vw - 375px) * -0.02863), -15px);
  }
  .cta__card-image,
  .cta__card-image--contact {
    width: 44.7%;
  }
  .cta__card-image-doc {
    width: clamp(160px, calc(160px + (100vw - 375px) * 0.17176), 250px);
    max-width: none;
    height: auto;
    top: clamp(15px, calc(15px + (100vw - 375px) * 0.02863), 30px);
  }
  .cta__card-person-img {
    width: 100%;
    height: auto;
    border-radius: 0 50px 0 0;
  }
  .cta__card-content {
    padding-bottom: clamp(30px, calc(30px + (100vw - 375px) * 0.02863), 45px);
  }
  .cta__card-title-en {
    font-size: clamp(24px, calc(24px + (100vw - 375px) * 0.02290), 36px);
    letter-spacing: 1px;
  }
  .cta__card-title-ja {
    font-size: clamp(12px, calc(12px + (100vw - 375px) * 0.00954), 17px);
    letter-spacing: 0.5px;
  }
  .cta__card--contact .cta__card-title-ja {
    letter-spacing: 0.5px;
  }
  .cta__card::before {
    top: clamp(25px, calc(25px + (100vw - 375px) * 0.04771), 50px);
    border-radius: clamp(16px, calc(16px + (100vw - 375px) * 0.02672), 30px);
  }
  .cta__card--contact::before {
    top: clamp(25px, calc(25px + (100vw - 375px) * 0.04771), 50px);
  }
  .cta__card-btn {
    height: clamp(36px, calc(36px + (100vw - 375px) * 0.02290), 48px);
    font-size: clamp(12px, calc(12px + (100vw - 375px) * 0.00382), 14px);
    padding-right: clamp(10px, calc(10px + (100vw - 375px) * 0.01145), 16px);
    gap: 8px;
    border-radius: 122px;
  }
  .cta__card-btn-arrow {
    width: clamp(16px, calc(16px + (100vw - 375px) * 0.00763), 20px);
    height: clamp(16px, calc(16px + (100vw - 375px) * 0.00763), 20px);
  }
  .footer__cta {
    position: static;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 90px;
  }
  .footer__cta-btn {
    min-width: auto;
    max-width: 363px;
    width: 100%;
  }
  .footer__cta-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer__nav-row {
    flex-direction: column;
    gap: 24px;
  }
  .footer__nav-col {
    width: 100%;
  }
  .footer__nav-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .footer__sub-row {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  .footer__sub-btns {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .footer__cta {
    margin-top: 30px;
  }
}

/* ========================================
   UTILITY: Visually Hidden
   視覚的にだけ隠す（スクリーンリーダー・SEOには見える）
======================================== */
.u-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}