@charset "UTF-8";

/* 1. CSS変数：色・フォント・余白はここを中心に変更してください */
:root {
  --color-bg: #f4f1e8;
  --color-bg-soft: #e5dfd0;
  --color-surface: #fffdf7;
  --color-text: #18231d;
  --color-muted: #6b705f;
  --color-border: #d1c8b8;
  --color-primary: #46664f;
  --color-accent: #9a6d45;
  --color-white: #ffffff;
  --color-black: #142018;
  --font-base: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  --font-en: "Helvetica Neue", Arial, sans-serif;
  --container-width: 1180px;
  --container-padding: 32px;
  --side-width: 160px;
  --header-height: 72px;
  --section-padding: 120px;
  --radius: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* 2. リセット・ベース設定 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 32px;
}

body {
  min-width: 320px;
  margin: 0;
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

body.is-menu-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  padding: 0;
  font: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  cursor: pointer;
}

ul,
ol {
  margin-block: 0;
}

p,
h1,
h2,
h3 {
  margin-block: 0;
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 4px;
}

/* 3. 共通レイアウト */
main,
.site-footer {
  margin-left: var(--side-width);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--wide {
  max-width: 1380px;
}

.section {
  padding-block: var(--section-padding);
}

.section--soft {
  background: var(--color-bg-soft);
}

.section__header {
  min-width: 0;
  max-width: 780px;
  margin-bottom: 56px;
}

.section__header--sticky {
  position: sticky;
  top: 40px;
  align-self: start;
  margin-bottom: 0;
}

.section__kicker {
  margin-bottom: 18px;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-primary);
  letter-spacing: 0;
  text-transform: uppercase;
}

.section__title {
  font-family: var(--font-en);
  font-size: 5.25rem;
  font-weight: 400;
  line-break: anywhere;
  line-height: 0.95;
  overflow-wrap: anywhere;
}

.section__text,
.section__lead {
  color: var(--color-muted);
  line-break: anywhere;
  overflow-wrap: anywhere;
}

.section__text {
  max-width: 620px;
  margin-top: 24px;
}

.section__lead {
  font-size: 1.25rem;
  line-height: 1.9;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(48px, 8vw, 112px);
  align-items: start;
}

.split-layout--reverse {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

/* 4. 共通パーツ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--color-white);
  background: var(--color-black);
  transform: translateY(-150%);
  transition: transform 0.25s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.placeholder-image {
  position: relative;
  display: grid;
  min-height: 280px;
  overflow: hidden;
  place-items: center;
  color: var(--color-text);
  background:
    linear-gradient(135deg, rgba(56, 95, 85, 0.16), transparent 48%),
    linear-gradient(0deg, rgba(15, 15, 15, 0.08), rgba(15, 15, 15, 0.08)),
    var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.placeholder-image::before {
  position: absolute;
  inset: 24px;
  content: "";
  border: 1px solid rgba(21, 21, 21, 0.16);
  border-radius: calc(var(--radius) - 8px);
}

.placeholder-image::after {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(21, 21, 21, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 21, 21, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.7;
}

.placeholder-image__label {
  position: relative;
  z-index: 1;
  display: inline-block;
  max-width: calc(100% - 48px);
  margin: 0;
  padding: 8px 12px;
  font-family: var(--font-en);
  font-size: 0.75rem;
  line-height: 1.35;
  text-align: center;
  color: var(--color-muted);
  overflow-wrap: anywhere;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(21, 21, 21, 0.08);
  border-radius: 999px;
}

.placeholder-image--hero {
  min-height: min(72svh, 760px);
  background:
    linear-gradient(0deg, rgba(15, 15, 15, 0.18), rgba(15, 15, 15, 0.18)),
    linear-gradient(135deg, #8e8e8e, #c8c8c8 68%);
}

.placeholder-image--portrait {
  min-height: 520px;
}

.placeholder-image--small {
  min-height: 260px;
}

.placeholder-image--dark {
  min-height: 440px;
  color: var(--color-white);
  background:
    linear-gradient(128deg, rgba(159, 106, 85, 0.32), transparent 40%),
    linear-gradient(135deg, rgba(56, 95, 85, 0.42), transparent 56%),
    #171816;
  border-color: rgba(255, 255, 255, 0.16);
}

.placeholder-image--dark::before {
  border-color: rgba(255, 255, 255, 0.14);
}

.placeholder-image--dark::after {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
}

.placeholder-image--dark .placeholder-image__label {
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 24px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-text);
  border: 1px solid var(--color-text);
  border-radius: 999px;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.button-link:hover {
  color: var(--color-text);
  background: transparent;
  transform: translateY(-2px);
}

.button-link--light {
  color: var(--color-text);
  background: var(--color-white);
  border-color: var(--color-white);
}

.button-link--light:hover {
  color: var(--color-white);
  background: transparent;
}

.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-height: 44px;
  font-size: 0.875rem;
  font-weight: 700;
}

.text-link::after {
  width: 64px;
  height: 1px;
  margin-left: 14px;
  content: "";
  background: currentColor;
  transition: width 0.25s var(--ease);
}

.text-link:hover::after {
  width: 88px;
}

/* 5. ヘッダー */
.site-header {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  width: var(--side-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  transition: background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

body.is-scrolled .site-header,
.site-header.is-scrolled {
  box-shadow: 8px 0 28px rgba(15, 15, 15, 0.05);
}

.site-header__inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 28px 18px;
}

.site-logo {
  display: grid;
  gap: 22px;
  justify-items: center;
  font-family: var(--font-en);
  font-weight: 700;
}

.site-logo__mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--color-white);
  background: var(--color-text);
  border-radius: 50%;
}

.site-logo__text {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-size: 0.95rem;
  line-height: 1;
  letter-spacing: 0;
}

.site-nav__list {
  display: grid;
  gap: 14px;
  padding-left: 0;
  list-style: none;
}

.site-nav__list a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-family: var(--font-en);
  font-size: 1rem;
  color: var(--color-muted);
  writing-mode: horizontal-tb;
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}

.site-nav__list a:hover,
.site-nav__list a[aria-current="true"] {
  color: var(--color-text);
  transform: translateY(-2px);
}

.site-header__note {
  width: 100%;
  font-family: var(--font-en);
  font-size: 0.85rem;
  text-align: center;
  color: var(--color-muted);
  writing-mode: horizontal-tb;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
}

.menu-button__line {
  width: 18px;
  height: 1px;
  background: var(--color-text);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.is-menu-open .menu-button__line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.is-menu-open .menu-button__line:nth-child(2) {
  opacity: 0;
}

.is-menu-open .menu-button__line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 6. モバイルメニュー */
.mobile-menu {
  display: none;
}

.mobile-menu__inner {
  padding-inline: var(--container-padding);
}

.mobile-menu__list {
  display: grid;
  gap: 0;
  padding: 18px 0 28px;
  list-style: none;
}

.mobile-menu__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 54px;
  font-family: var(--font-en);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu__list a span {
  font-size: 0.72rem;
  color: var(--color-muted);
}

.no-js .mobile-menu {
  display: none;
}

/* 7. ヒーロー */
.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  padding-block: 0;
  align-items: stretch;
  overflow: hidden;
  background: var(--color-black);
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: center;
  min-height: 100svh;
  max-width: none;
  padding-inline: clamp(32px, 7vw, 128px);
}

.hero__content {
  position: relative;
  z-index: 1;
  align-self: end;
  min-width: 0;
  max-width: none;
  margin-bottom: clamp(40px, 7vw, 88px);
  margin-left: 0;
  color: var(--color-white);
}

.hero .section__kicker {
  margin-bottom: 14px;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.72);
}

.hero__title {
  font-family: var(--font-en);
  font-size: 3.75rem;
  font-weight: 400;
  line-height: 1;
  white-space: nowrap;
}

.hero__title span {
  display: inline;
}

.hero__text {
  margin-top: 20px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.78);
  line-break: anywhere;
  overflow-wrap: anywhere;
}

.hero__actions {
  display: flex;
  gap: 18px 28px;
  align-items: center;
  flex-wrap: wrap;
  min-width: 0;
  margin-top: 28px;
}

.hero__visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  place-items: center;
  width: 100%;
  height: 100%;
  min-height: 100%;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.hero__visual.placeholder-image--hero {
  min-height: 100%;
}

.hero__visual-slide {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    linear-gradient(0deg, rgba(15, 15, 15, 0.34), rgba(15, 15, 15, 0.34)),
    linear-gradient(135deg, #8e8e8e, #c8c8c8 68%);
  opacity: 0;
  animation: heroVisualFade 12s ease-in-out infinite;
}

.hero__visual-slide:nth-child(2) {
  background:
    linear-gradient(0deg, rgba(15, 15, 15, 0.34), rgba(15, 15, 15, 0.34)),
    linear-gradient(135deg, #7f7f7f, #b9b9b9 68%);
  animation-delay: 4s;
}

.hero__visual-slide:nth-child(3) {
  background:
    linear-gradient(0deg, rgba(15, 15, 15, 0.34), rgba(15, 15, 15, 0.34)),
    linear-gradient(135deg, #9a9a9a, #d0d0d0 68%);
  animation-delay: 8s;
}

.hero__visual-slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes heroVisualFade {
  0%,
  100% {
    opacity: 0;
  }

  10%,
  38% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.hero__visual::before {
  inset: 0;
  background: rgba(15, 15, 15, 0.34);
  border: 0;
  border-radius: 0;
}

.hero__visual::after {
  opacity: 0;
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__visual .placeholder-image__label {
  margin: 0;
  font-size: 0.9rem;
}

/* 8. セクション共通 */
.section-01-block,
.section-03-block {
  background: var(--color-bg);
}

.section-06-block {
  color: var(--color-text);
  background: var(--color-white);
}

.section-06-block .section__kicker,
.section-06-block .section__text {
  color: rgba(255, 255, 255, 0.68);
}

/* 9. 各セクションの最低限の土台 */
#section-01,
#section-02,
#section-03,
#section-04,
#section-05,
#section-06 {
  scroll-margin-top: 40px;
}

.section-01-scroll {
  position: relative;
  min-height: 260svh;
  overflow: hidden;
  overflow: clip;
  background: var(--color-bg);
}

.section-01-scroll__sticky {
  position: sticky;
  top: 0;
  display: grid;
  min-height: 100svh;
  padding-block: 96px;
  align-items: center;
}

.section-01-scroll__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 0.5fr) minmax(0, 1fr);
  gap: 56px 72px;
  align-items: center;
}

.section-01-scroll__header {
  max-width: 430px;
  align-self: start;
}

.section-01-scroll__title {
  font-family: var(--font-en);
  font-size: 4.4rem;
  font-weight: 400;
  line-height: 0.95;
}

.section-01-scroll__lead {
  margin-top: 28px;
  color: var(--color-muted);
}

.section-01-scroll__stage {
  grid-row: span 2;
}

.section-01-scroll__grid {
  position: relative;
  display: grid;
  min-height: 560px;
  height: min(70svh, 700px);
  place-items: center;
  isolation: isolate;
}

.section-01-scroll__layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transform-origin: center;
}

.js .section-01-scroll__layer {
  opacity: var(--section-01-layer-opacity, 0);
  transform: scale(var(--section-01-layer-scale, 0.9)) translateY(var(--section-01-layer-translate, 22px));
}

.section-01-scroll__tile {
  position: absolute;
  margin: 0;
  overflow: hidden;
  background: #b8b8b8;
}

.image-size-label {
  position: absolute;
  top: 50%;
  right: auto;
  left: 50%;
  z-index: 3;
  display: inline-block;
  max-width: calc(100% - 24px);
  padding: 5px 8px;
  font-family: var(--font-en);
  font-size: 0.66rem;
  line-height: 1.2;
  text-align: center;
  color: rgba(21, 21, 21, 0.72);
  overflow-wrap: anywhere;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(21, 21, 21, 0.1);
}

.section-01-scroll__tile img,
.section-01-scroll__main-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-01-scroll__tile--outer-01 {
  top: -6%;
  left: -6%;
  width: 25%;
  aspect-ratio: 4 / 5;
}

.section-01-scroll__tile--outer-02 {
  top: -4%;
  right: -5%;
  width: 30%;
  aspect-ratio: 5 / 4;
}

.section-01-scroll__tile--outer-03 {
  bottom: -8%;
  left: -8%;
  width: 31%;
  aspect-ratio: 5 / 4;
}

.section-01-scroll__tile--outer-04 {
  right: -2%;
  bottom: -7%;
  width: 24%;
  aspect-ratio: 4 / 5;
}

.section-01-scroll__tile--inner-01 {
  top: 13%;
  left: 15%;
  width: 22%;
  aspect-ratio: 4 / 5;
}

.section-01-scroll__tile--inner-02 {
  right: 16%;
  bottom: 10%;
  width: 24%;
  aspect-ratio: 1;
}

.section-01-scroll__tile--inner-03 {
  top: 10%;
  right: 13%;
  width: 21%;
  aspect-ratio: 4 / 5;
}

.section-01-scroll__tile--inner-04 {
  bottom: 12%;
  left: 12%;
  width: 24%;
  aspect-ratio: 5 / 4;
}

@media (min-width: 1025px) {
  .section-01-scroll__tile--outer-01 {
    top: -11%;
    left: 3%;
  }

  .section-01-scroll__tile--outer-02 {
    top: 17%;
    right: 0;
  }

  .section-01-scroll__tile--outer-03 {
    bottom: -12%;
    left: 12%;
  }

  .section-01-scroll__tile--outer-04 {
    right: 10%;
    bottom: -12%;
  }

  .section-01-scroll__tile--inner-01 {
    top: 35%;
    left: 0;
  }

  .section-01-scroll__tile--inner-02 {
    right: 0;
    bottom: 13%;
  }

  .section-01-scroll__tile--inner-03 {
    top: -7%;
    right: 23%;
  }

  .section-01-scroll__tile--inner-04 {
    bottom: 22%;
    left: 9%;
  }
}

.section-01-scroll__main {
  position: relative;
  z-index: 2;
  width: 42%;
  min-width: 300px;
  max-width: 460px;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  color: var(--color-white);
  background: #a5a5a5;
  transform: scale(var(--section-01-main-scale, 1));
  transform-origin: center;
}

.section-01-scroll__main::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 58%, rgba(15, 15, 15, 0.42));
  pointer-events: none;
}

.section-01-scroll__main-image {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s var(--ease);
}

.section-01-scroll__main-image.is-active {
  opacity: 1;
}

.section-01-scroll__main figcaption {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  font-family: var(--font-en);
  font-size: 0.75rem;
  line-height: 1.35;
  text-align: center;
  color: rgba(255, 255, 255, 0.78);
  transform: translate(-50%, -50%);
}

.section-01-scroll__copy {
  max-width: 440px;
  align-self: end;
  color: var(--color-muted);
  line-height: 1.95;
}

.section-01-scroll__copy p + p {
  margin-top: 18px;
}

.section-02-block--visual {
  color: var(--color-white);
  background: var(--color-black);
}

.section-02-block--visual .container {
  max-width: none;
}

.section-02-block--visual .section__kicker,
.section-02-block--visual .section__text {
  color: rgba(255, 255, 255, 0.68);
}

.section-02-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}

.section-02-visual__main {
  min-width: 0;
}

.section-02-visual__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 1;
  background: #b8b8b8;
}

.section-02-visual__figure::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background: linear-gradient(180deg, transparent 42%, rgba(15, 15, 15, 0.56));
  pointer-events: none;
}

.section-02-visual__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.32s var(--ease), transform 0.5s var(--ease);
}

.section-02-visual.is-changing .section-02-visual__image {
  opacity: 0;
  transform: scale(1.015);
}

.section-02-visual__caption {
  position: absolute;
  right: clamp(24px, 4vw, 48px);
  bottom: clamp(24px, 4vw, 48px);
  left: clamp(24px, 4vw, 48px);
  z-index: 2;
  display: grid;
  gap: 12px;
  max-width: 520px;
  color: var(--color-white);
}

.section-02-visual__eyebrow {
  font-family: var(--font-en);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.72);
}

.section-02-visual__title {
  font-family: var(--font-en);
  font-size: clamp(2rem, 4vw, 4.2rem);
  font-weight: 400;
  line-height: 0.98;
}

.section-02-visual__text {
  max-width: 420px;
  color: rgba(255, 255, 255, 0.78);
}

.section-02-visual__nav {
  position: relative;
  min-width: 0;
  height: 0;
  padding-bottom: 100%;
  overflow: hidden;
  background: transparent;
  border: 0;
}

.section-02-visual__scroll {
  --section-02-visual-gap: 18px;
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: calc((100% - (var(--section-02-visual-gap) * 2)) / 3);
  align-content: start;
  gap: var(--section-02-visual-gap);
  overflow-y: auto;
  overscroll-behavior: auto;
  padding-right: 8px;
  scrollbar-gutter: stable;
  scrollbar-color: rgba(255, 255, 255, 0.42) rgba(255, 255, 255, 0.08);
  scrollbar-width: thin;
}

.section-02-visual__scroll::-webkit-scrollbar {
  width: 6px;
}

.section-02-visual__scroll::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
}

.section-02-visual__scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.42);
  border-radius: 999px;
}

.section-02-visual__scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.62);
}

.section-02-visual__thumb {
  position: relative;
  display: block;
  width: 100%;
  min-height: 0;
  height: 100%;
  padding: 0;
  overflow: hidden;
  aspect-ratio: 1;
  background: #b8b8b8;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: border-color 0.25s var(--ease), opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.section-02-visual__thumb:hover,
.section-02-visual__thumb.is-active {
  border-color: rgba(255, 255, 255, 0.82);
  opacity: 1;
}

.section-02-visual__thumb:hover {
  transform: translateY(-2px);
}

.section-02-visual__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.74;
  transition: opacity 0.25s var(--ease), transform 0.35s var(--ease);
}

.section-02-visual__thumb:hover img,
.section-02-visual__thumb.is-active img {
  opacity: 1;
  transform: scale(1.04);
}

.section-03-item__text,
.content-item p {
  color: var(--color-muted);
}

.section-03-list {
  display: grid;
  gap: 0;
  align-items: stretch;
}

.section-03-list__list {
  display: grid;
  gap: 0;
}

.section-03-item {
  display: grid;
  gap: 0;
  min-height: auto;
  padding-block: 0;
  border: 1px solid var(--color-text);
  border-bottom: 0;
  opacity: 1;
}

.section-03-item:last-child {
  border-bottom: 1px solid var(--color-text);
}

.section-03-item__head,
.section-03-item__body {
  display: grid;
}

.section-03-item__head {
  border-bottom: 1px solid var(--color-text);
}

.section-03-item__meta {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text);
  padding: 12px clamp(20px, 3vw, 42px);
}

.section-03-item__title {
  padding: clamp(24px, 4vw, 44px) clamp(20px, 4vw, 52px);
  font-family: var(--font-en);
  font-size: clamp(1.15rem, 1.8vw, 1.55rem);
  font-weight: 400;
  line-height: 1.08;
  line-break: anywhere;
  overflow-wrap: anywhere;
}

.section-03-item__text {
  display: flex;
  align-items: center;
  min-height: 140px;
  padding: clamp(20px, 3vw, 36px) clamp(20px, 4vw, 44px);
  font-size: 1rem;
  line-height: 1.9;
  line-break: anywhere;
  overflow-wrap: anywhere;
}

@media (min-width: 769px) {
  .section-03-item__title {
    padding-bottom: clamp(10px, 1.4vw, 18px);
  }

  .section-03-item__text {
    padding-top: clamp(8px, 1.2vw, 14px);
  }
}

.content-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.section-04-block {
  background: var(--color-white);
}

.section-04__inner {
  max-width: 1120px;
  margin-inline: auto;
}

.section-04__title {
  margin-bottom: clamp(56px, 7vw, 92px);
  font-size: clamp(1.75rem, 2.2vw, 2.25rem);
  font-weight: 400;
  line-height: 1.4;
}

.section-04__list {
  display: grid;
  gap: 30px;
}

.section-04-item {
  display: grid;
  grid-template-columns: minmax(0, max-content) minmax(80px, 1fr) max-content;
  gap: 16px;
  align-items: center;
}

.section-04-item__title {
  min-width: 0;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.section-04-item__line {
  display: block;
  height: 1px;
  background: var(--color-border);
}

.section-04-item__date {
  font-family: var(--font-en);
  font-size: 0.95rem;
  white-space: nowrap;
}

.section-05-block {
  color: var(--color-white);
  background: #aaa9a5;
}

.section-05__inner {
  display: grid;
  grid-template-columns: minmax(240px, 0.42fr) minmax(0, 1fr);
  gap: clamp(56px, 8vw, 112px);
  align-items: center;
}

.section-05__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: #b8b8b8;
}

.section-05__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: grayscale(1);
}

.section-05__content {
  min-width: 0;
}

.section-05__name {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.5rem, 10vw, 10rem);
  font-weight: 400;
  line-height: 0.86;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.section-05__role {
  margin-top: 22px;
  font-size: 1.35rem;
  line-height: 1.4;
}

.section-05__timeline {
  display: grid;
  gap: 12px;
  margin: clamp(64px, 8vw, 96px) 0 0;
  font-size: 1.05rem;
  line-height: 1.45;
}

.section-05__timeline-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 18px;
}

.section-05__timeline dt,
.section-05__timeline dd {
  margin: 0;
}

.content-item {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 28px;
  padding-block: 32px;
  border-bottom: 1px solid var(--color-border);
}

.content-item__number {
  font-family: var(--font-en);
  color: var(--color-muted);
}

.content-item__title {
  margin-bottom: 10px;
  font-size: 1.25rem;
  font-weight: 500;
}

.section-06__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-items: stretch;
}

.section-06-card {
  position: relative;
  display: grid;
  align-content: center;
  min-height: 220px;
  padding: clamp(36px, 4vw, 64px) clamp(96px, 8vw, 132px) clamp(36px, 4vw, 64px) clamp(28px, 4vw, 58px);
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

.section-06-card__kicker {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  margin-bottom: 8px;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.2;
}

.section-06-card__kicker::before {
  width: 5px;
  height: 5px;
  content: "";
  background: currentColor;
}

.section-06-card__title {
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.45;
}

.section-06-card__text {
  margin-top: 12px;
  font-size: 1rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.section-06-card__arrow {
  position: absolute;
  top: 50%;
  right: clamp(28px, 4vw, 58px);
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  font-family: var(--font-en);
  font-size: 1.5rem;
  color: var(--color-white);
  background: var(--color-text);
  transform: translateY(-50%);
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb {
  animation: subtleFadeUp 0.48s var(--ease) backwards;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(2) {
  animation-delay: 0.03s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(3) {
  animation-delay: 0.06s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(4) {
  animation-delay: 0.09s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(5) {
  animation-delay: 0.12s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(6) {
  animation-delay: 0.15s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(7) {
  animation-delay: 0.18s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(8) {
  animation-delay: 0.21s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(9) {
  animation-delay: 0.24s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(10) {
  animation-delay: 0.27s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(11) {
  animation-delay: 0.3s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(12) {
  animation-delay: 0.33s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(13) {
  animation-delay: 0.36s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(14) {
  animation-delay: 0.39s;
}

.js .section-02-block--visual.is-visible .section-02-visual__thumb:nth-child(15) {
  animation-delay: 0.42s;
}

.js .section-04-block.is-visible .section-04-item {
  animation: subtleFadeUp 0.52s var(--ease) backwards;
}

.js .section-04-block.is-visible .section-04-item:nth-child(2) {
  animation-delay: 0.08s;
}

.js .section-04-block.is-visible .section-04-item:nth-child(3) {
  animation-delay: 0.16s;
}

.js .section-04-block.is-visible .section-04-item:nth-child(4) {
  animation-delay: 0.24s;
}

.js .section-04-block.is-visible .section-04-item:nth-child(5) {
  animation-delay: 0.32s;
}

.js .section-06-block.is-visible .section-06-card {
  animation: subtleFadeUp 0.5s var(--ease) backwards;
}

.js .section-06-block.is-visible .section-06-card:nth-child(2) {
  animation-delay: 0.1s;
}

@keyframes subtleFadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 10. フッター */
.site-footer {
  padding: 56px var(--container-padding);
  color: rgba(255, 255, 255, 0.7);
  background: var(--color-black);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) auto;
  gap: 32px;
  align-items: end;
  max-width: var(--container-width);
  margin-inline: auto;
}

.site-footer__logo {
  margin-bottom: 12px;
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--color-white);
}

.site-footer__text {
  max-width: 460px;
  font-size: 0.875rem;
}

.site-footer__list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  padding-left: 0;
  list-style: none;
}

.site-footer__list a {
  font-size: 0.875rem;
}

.site-footer__list a:hover {
  color: var(--color-white);
}

.site-footer__copy {
  font-family: var(--font-en);
  font-size: 0.75rem;
  white-space: nowrap;
}

/* 11. ページトップボタン */
.page-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 80;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  box-shadow: 0 12px 32px rgba(15, 15, 15, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s var(--ease), visibility 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-top:hover {
  transform: translateY(-3px);
}

.page-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* 12. アニメーション用の最低限CSS */
.js .fade-up,
.js .js-fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.no-js .fade-up,
.no-js .js-fade-up {
  opacity: 1;
  transform: none;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .js .fade-up,
  .js .js-fade-up {
    transform: none;
  }

  .hero__visual-slide {
    animation: none;
  }

  .hero__visual-slide:first-child {
    opacity: 1;
  }

  .js .section-02-block--visual.is-visible .section-02-visual__thumb,
  .js .section-04-block.is-visible .section-04-item,
  .js .section-06-block.is-visible .section-06-card {
    animation-delay: 0s !important;
    opacity: 1;
    transform: none;
  }
}

/* 13. レスポンシブ */
@media (max-width: 1024px) {
  :root {
    --side-width: 144px;
    --section-padding: 96px;
    --container-padding: 28px;
  }

  .hero__inner,
  .section-03-list {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 100svh;
    padding-block: 0;
  }

  .hero__content {
    max-width: none;
  }

  .hero__title {
    font-size: 3.2rem;
  }

  .section__title {
    font-size: 4.25rem;
  }

  .section-01-scroll__inner {
    grid-template-columns: 1fr;
  }

  .section-01-scroll__header,
  .section-01-scroll__copy {
    max-width: 680px;
  }

  .section-01-scroll__title {
    font-size: 3.6rem;
  }

  .section-01-scroll__stage {
    grid-row: auto;
  }

  .section-01-scroll__grid {
    min-height: 520px;
    height: min(64svh, 620px);
  }

  .section-03-item__head,
  .section-03-item__body {
    grid-template-columns: 1fr;
  }

  .section-03-item__title {
    font-size: clamp(1.1rem, 2vw, 1.45rem);
  }

  .section-03-item__text {
    min-height: 130px;
    font-size: 0.95rem;
  }

  .section-02-visual {
    grid-template-columns: 1fr;
  }

  .section-02-visual__main {
    order: 1;
  }

  .section-02-visual__nav {
    order: 2;
  }

  .section-02-visual__figure,
  .section-02-visual__image {
    min-height: 0;
  }

  .section-02-visual__scroll {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .section-02-visual__thumb {
    min-height: 0;
  }

  .section-05__inner {
    grid-template-columns: minmax(220px, 0.45fr) minmax(0, 1fr);
    gap: 48px;
  }

  .section-05__name {
    font-size: clamp(3.6rem, 8vw, 6.5rem);
  }

  .section-05__timeline {
    margin-top: 56px;
    font-size: 1rem;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .hero__title {
    font-size: 3.55rem;
  }

  .section__title {
    font-size: 4.55rem;
  }

  .section__text,
  .section__lead,
  .section-01-scroll__lead,
  .section-01-scroll__copy,
  .section-02-visual__text,
  .section-03-item__text,
  .section-04-item__title,
  .section-06-card__text {
    font-size: 1.08rem;
  }

  .section-01-scroll__title {
    font-size: 3.9rem;
  }

  .section-02-visual__title {
    font-size: clamp(2.35rem, 4.6vw, 4.45rem);
  }

  .section-04__title {
    font-size: 2.4rem;
  }

  .section-05__role {
    font-size: 1.25rem;
  }

  .section-05__timeline {
    font-size: 1.08rem;
  }

  .section-06-card__title {
    font-size: 1.6rem;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 20px;
    --header-height: 68px;
    --section-padding: 72px;
  }

  html {
    scroll-padding-top: 0;
  }

  body {
    padding-bottom: var(--header-height);
  }

  main,
  .site-footer {
    margin-left: 0;
  }

  .site-header {
    top: auto;
    right: 0;
    bottom: 0;
    width: auto;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.96);
    border-right: 0;
    border-bottom: 0;
    border-top: 1px solid var(--color-border);
  }

  .site-header__inner {
    flex-direction: row;
    width: 100%;
    padding: 12px var(--container-padding);
  }

  .site-logo,
  .menu-button {
    color: var(--color-text);
  }

  .site-logo {
    display: flex;
    gap: 10px;
    align-items: center;
  }

  .site-logo__mark {
    width: 38px;
    height: 38px;
    color: var(--color-white);
    background: var(--color-text);
  }

  .site-logo__text {
    writing-mode: horizontal-tb;
  }

  .site-nav,
  .site-header__note {
    display: none;
  }

  .no-js .site-nav {
    display: block;
    width: 100%;
  }

  .no-js .site-nav__list {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
  }

  .no-js .site-nav__list a {
    writing-mode: horizontal-tb;
  }

  .no-js .site-header {
    height: auto;
  }

  .no-js .site-header__inner {
    display: grid;
    gap: 8px;
    min-height: var(--header-height);
  }

  .menu-button {
    display: inline-flex;
    border-color: var(--color-border);
  }

  .menu-button__line {
    background: var(--color-text);
  }

  .site-header.is-header-dark .site-logo,
  .site-header.is-header-dark .menu-button {
    color: var(--color-text);
  }

  .site-header.is-header-dark .site-logo__mark {
    color: var(--color-white);
    background: var(--color-text);
  }

  .site-header.is-header-dark .menu-button {
    border-color: rgba(21, 21, 21, 0.38);
  }

  .site-header.is-header-dark .menu-button__line {
    background: var(--color-text);
  }

  .no-js .menu-button {
    display: none;
  }

  .mobile-menu {
    position: fixed;
    top: auto;
    right: 0;
    bottom: var(--header-height);
    left: 0;
    z-index: 90;
    display: block;
    max-height: calc(100svh - var(--header-height));
    overflow-y: auto;
    background: rgba(245, 244, 239, 0.97);
    border-bottom: 1px solid var(--color-border);
  }

  .js .mobile-menu {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 0.2s var(--ease), visibility 0.2s var(--ease), transform 0.2s var(--ease);
  }

  .js .mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .section {
    padding-block: var(--section-padding);
  }

  .section__header,
  .section__header--sticky {
    position: static;
    margin-bottom: 36px;
  }

  .section__title {
    font-size: 3.5rem;
  }

  .split-layout,
  .split-layout--reverse {
    grid-template-columns: 1fr;
  }

  .section-04__title {
    margin-bottom: 36px;
    font-size: 1.6rem;
  }

  .section-04__list {
    gap: 18px;
  }

  .section-04-item {
    grid-template-columns: minmax(0, 1fr) max-content;
    gap: 8px 14px;
  }

  .section-04-item__date {
    grid-column: 2;
    grid-row: 1;
  }

  .section-04-item__line {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .section-05__inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .section-05__figure {
    max-width: 360px;
    margin-inline: auto;
  }

  .section-05__name {
    font-size: clamp(3rem, 13vw, 5.6rem);
  }

  .section-05__role {
    margin-top: 16px;
    font-size: 1.1rem;
  }

  .section-05__timeline {
    margin-top: 40px;
    font-size: 0.95rem;
  }

  .section-01-scroll {
    min-height: 220svh;
  }

  .section-01-scroll__sticky {
    top: 0;
    min-height: 100svh;
    padding-block: 56px;
  }

  .section-01-scroll__inner {
    gap: 36px;
  }

  .section-01-scroll__title {
    font-size: 2.8rem;
  }

  .section-01-scroll__grid {
    min-height: 480px;
    height: 58svh;
  }

  .section-01-scroll__main {
    width: 58%;
    min-width: 220px;
  }

  .hero {
    min-height: auto;
    padding-block: 0;
    background: var(--color-black);
  }

  .hero__inner {
    min-height: clamp(500px, 68svh, 620px);
    padding-top: 0;
    padding-inline: var(--container-padding);
  }

  .hero__visual {
    inset: 0;
    width: 100%;
    height: 100%;
    min-height: 100%;
  }

  .hero__visual.placeholder-image--hero {
    min-height: 100%;
  }

  .hero__visual,
  .hero__visual-slide {
    place-items: center;
  }

  .hero__visual .placeholder-image__label {
    margin: 0;
  }

  .hero__actions {
    margin-top: 24px;
  }

  .hero__title {
    font-size: 2.8rem;
  }

  .placeholder-image--hero {
    min-height: 420px;
  }

  .placeholder-image--portrait {
    min-height: 420px;
  }

  .section-02-visual__main {
    order: 1;
  }

  .section-02-visual__nav {
    order: 2;
  }

  .section-03-item {
    min-height: auto;
    padding-bottom: 0;
  }

  .section-03-item__head,
  .section-03-item__body {
    grid-template-columns: 1fr;
  }

  .section-03-item__text {
    border-top: 1px solid var(--color-text);
    align-items: flex-start;
    min-height: auto;
    font-size: 1rem;
  }

  .section-03-item__title {
    padding-block: 24px;
    font-size: clamp(1.05rem, 4vw, 1.35rem);
  }

  .section-06__inner {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .section-06-card {
    min-height: 180px;
    padding: 28px 88px 28px 28px;
  }

  .section-06-card__arrow {
    right: 28px;
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }
}

@media (max-width: 560px) {
  :root {
    --container-padding: 16px;
    --section-padding: 64px;
  }

  .hero__title {
    font-size: 2.35rem;
  }

  .section__title {
    font-size: 2.35rem;
  }

  .section-01-scroll__layer--outer {
    display: none;
  }

  .section-01-scroll__grid {
    min-height: 430px;
  }

  .section-01-scroll__tile--inner-01 {
    top: 2%;
    left: 0;
    width: 30%;
  }

  .section-01-scroll__tile--inner-02 {
    right: 0;
    bottom: 9%;
    width: 32%;
  }

  .section-01-scroll__tile--inner-03 {
    top: 11%;
    right: 0;
    width: 28%;
  }

  .section-01-scroll__tile--inner-04 {
    bottom: 2%;
    left: 0;
    width: 32%;
  }

  .section-01-scroll__main {
    width: 60%;
    min-width: 0;
  }

  .hero__actions,
  .button-link {
    width: 100%;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .text-link {
    width: auto;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 16px;
    --section-padding: 64px;
  }

  body {
    font-size: 15px;
  }

  .hero__title {
    font-size: 2.05rem;
  }

  .section__title {
    font-size: 2.1rem;
  }

  .section-01-scroll__title {
    font-size: 2.25rem;
  }

  .section-01-scroll__lead,
  .section-01-scroll__copy {
    font-size: 0.95rem;
  }

  .section-01-scroll__grid {
    min-height: 400px;
  }

  .section__lead {
    font-size: 1.05rem;
  }

  .section-04-item__title {
    font-size: 0.95rem;
  }

  .section-04-item__date {
    font-size: 0.85rem;
  }

  .section-05__name {
    font-size: clamp(2.4rem, 12vw, 3.8rem);
  }

  .section-05__timeline-row {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 12px;
  }

  .section-06-card {
    min-height: 168px;
    padding: 24px 72px 24px 22px;
  }

  .section-06-card__title {
    font-size: 1.25rem;
  }

  .section-06-card__text {
    font-size: 0.92rem;
  }

  .section-06-card__arrow {
    right: 22px;
    width: 42px;
    height: 42px;
  }

  .section-03-item__title {
    font-size: clamp(1rem, 4vw, 1.2rem);
  }

  .hero__actions,
  .button-link {
    width: 100%;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .text-link {
    width: auto;
  }

  .placeholder-image,
  .placeholder-image--hero,
  .placeholder-image--portrait,
  .placeholder-image--dark {
    min-height: 300px;
  }

  .placeholder-image__label {
    margin: 0;
  }

  .section-02-visual__figure,
  .section-02-visual__image {
    min-height: 0;
  }

  .section-02-visual__scroll {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    --section-02-visual-gap: 12px;
  }

  .section-02-visual__thumb {
    min-height: 0;
    padding: 0;
  }

  .content-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .site-footer {
    padding-block: 44px;
  }

  .site-footer__copy {
    white-space: normal;
  }

  .page-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
}