/* ==========================================================================
   デザイントークン
   色・フォント・余白はここを変更すればサイト全体に反映されます
   ========================================================================== */
:root {
  /* 色 */
  --color-primary: #12355B;
  --color-primary-dark: #0C2542;
  --color-accent: #0B7A7C;
  --color-accent-dark: #086163;
  --color-text: #1B2733;
  --color-text-muted: #566472;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F4F6F8;
  --color-line: #DDE4EA;
  --color-on-dark: #FFFFFF;
  --color-on-dark-muted: #C9D6E2;
  --color-line-on-dark: rgba(255, 255, 255, 0.24);

  /* フォント */
  --font-base: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic Medium", YuGothic, Meiryo, sans-serif;
  --font-label: "Helvetica Neue", Arial, var(--font-base); /* 英語の小さい見出しと番号 */
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.375rem;
  --fs-title: clamp(1.75rem, 3.2vw, 2.5rem);
  --fs-statement: clamp(2rem, 4.8vw, 3.5rem);
  --fs-hero: clamp(2.25rem, 4.6vw, 4rem);
  --lh-base: 1.9;
  --lh-tight: 1.4;

  /* 余白 */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-y: clamp(4.5rem, 9vw, 8rem);

  /* レイアウト */
  --container: 72rem;
  --header-h: 4rem;
  --form-height: 1040px;
  --logo-h: 52px;

  /* スクロールエフェクト */
  --reveal-duration: 0.7s;
  --reveal-distance: 16px;
  --reveal-stagger: 0.08s;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  /* 細い矢印 */
  --icon-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 10' fill='none' stroke='%23000' stroke-width='1.5'%3E%3Cpath d='M0 5h20M16 1l4 4-4 4'/%3E%3C/svg%3E");
}

@media (min-width: 700px) {
  :root {
    --form-height: 820px;
  }
}

/* ==========================================================================
   ベース
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  font-size: var(--fs-base);
  letter-spacing: 0.02em;
  line-break: strict;
  line-height: var(--lh-base);
  overflow-wrap: break-word;
}

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

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

h1,
h2,
h3 {
  color: var(--color-primary);
  font-feature-settings: "palt";
  font-weight: 700;
  line-height: var(--lh-tight);
  text-wrap: balance;
  word-break: auto-phrase;
}

p {
  text-wrap: pretty;
}

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

a {
  color: var(--color-accent);
  text-underline-offset: 0.2em;
}

address {
  font-style: normal;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

[tabindex="-1"]:focus {
  outline: none;
}

section[id] {
  scroll-margin-top: var(--header-h);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-3);
  z-index: 200;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.skip-link:focus {
  top: var(--space-3);
}

/* ==========================================================================
   共通パーツ
   ========================================================================== */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

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

.section--dark {
  background: var(--color-primary);
  color: var(--color-on-dark);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-on-dark);
}

/* 小さな英語＋大きな日本語の見出し */
.section-title {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: clamp(2rem, 4vw, 3rem);
  font-size: var(--fs-title);
}

.section-title__en {
  color: var(--color-accent);
  font-family: var(--font-label);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  line-height: 1.5;
  text-transform: uppercase;
}

.section--dark .section-title__en {
  color: var(--color-on-dark-muted);
}

.section-lead {
  color: var(--color-text-muted);
}

.section-head {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-head .section-title {
  margin-bottom: var(--space-4);
}

@media (min-width: 900px) {
  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-8);
  }

  .section-head .section-title {
    flex: none;
    margin-bottom: 0;
  }

  .section-head .section-lead {
    max-width: 28rem;
  }
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 3.25rem;
  padding: var(--space-2) var(--space-6);
  border: 1px solid var(--color-accent);
  border-radius: 2px;
  background: var(--color-accent);
  color: var(--color-on-dark);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.button::after {
  flex: none;
  width: 1.375rem;
  height: 0.625rem;
  background: currentColor;
  content: "";
  -webkit-mask: var(--icon-arrow) center / contain no-repeat;
  mask: var(--icon-arrow) center / contain no-repeat;
  transition: transform 0.3s var(--ease-out);
}

.button:hover {
  border-color: var(--color-accent-dark);
  background: var(--color-accent-dark);
}

@media (hover: hover) {
  .button:hover::after {
    transform: translateX(4px);
  }
}

.button--small {
  min-height: 2.5rem;
  padding: var(--space-1) var(--space-4);
  font-size: 0.875rem;
}

.button--small::after {
  display: none;
}

.button--ghost {
  border-color: var(--color-primary);
  background: transparent;
  color: var(--color-primary);
}

.button--ghost::after {
  display: none;
}

.button--ghost:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-on-dark);
}

/* ==========================================================================
   ヘッダー
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-bg);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  max-width: calc(var(--container) + var(--gutter) * 2);
  height: var(--header-h);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  display: inline-flex;
  flex: 0 1 auto;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  margin-right: auto;
  color: var(--color-primary);
  font-feature-settings: "palt";
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
}

.brand__mark {
  flex: none;
  width: 1.375rem;
  height: 1.375rem;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--color-primary) 50%, var(--color-accent) 50%);
}

.site-header__cta {
  flex: none;
  order: 2;
}

.nav-toggle {
  display: flex;
  flex: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  order: 3;
  gap: 8px;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.nav-toggle__bar {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: transform 0.25s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  transform: translateY(-5px) rotate(-45deg);
}

/* スマホとタブレットのメニュー */
.global-nav {
  position: fixed;
  inset: calc(var(--header-h) + 1px) 0 0;
  padding: var(--space-3) var(--gutter) var(--space-7);
  overflow-y: auto;
  background: var(--color-bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.global-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.global-nav__en {
  display: none;
}

.global-nav__list a {
  display: block;
  padding: var(--space-4) var(--space-1);
  border-bottom: 1px solid var(--color-line);
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
}

/* 電話やメニューと場所を取り合わないよう、スマホではメニューの中に入れる */
@media (max-width: 559px) {
  .site-header__cta {
    display: none;
  }
}

@media (min-width: 1060px) {
  .nav-toggle {
    display: none;
  }

  .global-nav {
    position: static;
    padding: 0;
    overflow: visible;
    background: none;
    opacity: 1;
    visibility: visible;
    transition: none;
  }

  .global-nav__list {
    display: flex;
    align-items: center;
    gap: clamp(1.25rem, 2.2vw, 2rem);
  }

  .global-nav__sub {
    display: none;
  }

  .global-nav__list a {
    position: relative;
    padding: var(--space-2) 0;
    border-bottom: 0;
    font-size: 0.875rem;
    font-weight: 400;
    white-space: nowrap;
  }

  .global-nav__list a::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    background: var(--color-accent);
    content: "";
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--ease-out);
  }

  .global-nav__list a:hover::after,
  .global-nav__list a[aria-current]::after {
    transform: scaleX(1);
  }
}

/* ==========================================================================
   メインビジュアル
   ========================================================================== */
.hero {
  display: grid;
}

.hero__body {
  order: -1;
  padding: var(--space-7) var(--gutter) var(--space-6);
}

.hero__eyebrow {
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-size: var(--fs-sm);
  font-weight: 700;
}

.hero__title {
  margin-bottom: var(--space-5);
  font-size: var(--fs-hero);
  line-height: 1.32;
}

.hero__lead {
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
}

.hero__actions {
  display: grid;
  gap: var(--space-3);
}

.hero__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (min-width: 560px) {
  .hero__actions {
    display: flex;
    flex-wrap: wrap;
  }

  .hero__media img {
    aspect-ratio: 16 / 9;
  }
}

/* PCでは左に文字、右に画面端までの写真 */
@media (min-width: 1000px) {
  .hero {
    grid-template-columns:
      minmax(var(--gutter), 1fr)
      minmax(0, calc(var(--container) / 2))
      minmax(0, calc(var(--container) / 2))
      minmax(var(--gutter), 1fr);
    min-height: calc(100vh - var(--header-h));
    min-height: min(calc(100svh - var(--header-h)), 48rem);
  }

  .hero__body {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
    padding: var(--space-8) var(--space-8) var(--space-8) 0;
  }

  .hero__media {
    position: relative;
    grid-column: 3 / 5;
    grid-row: 1;
  }

  .hero__media img {
    position: absolute;
    inset: 0;
    height: 100%;
    aspect-ratio: auto;
  }
}

/* ==========================================================================
   私たちについて
   ========================================================================== */
.about {
  display: grid;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.about__media {
  margin-bottom: var(--space-5);
}

.about__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.split__body p + p,
.message__body p + p {
  margin-top: var(--space-4);
}

@media (min-width: 900px) {
  .about {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: 1fr auto auto 1fr;
    column-gap: clamp(3rem, 6vw, 5.5rem);
  }

  .about__media {
    grid-column: 1;
    grid-row: 1 / -1;
    margin: 0;
  }

  .about__title {
    grid-column: 2;
    grid-row: 2;
  }

  .about__body {
    grid-column: 2;
    grid-row: 3;
  }
}

/* ==========================================================================
   理念
   ========================================================================== */
.philosophy__statement {
  margin-bottom: var(--space-5);
  font-feature-settings: "palt";
  font-size: var(--fs-statement);
  font-weight: 700;
  line-height: 1.35;
  text-wrap: balance;
  word-break: auto-phrase;
}

.philosophy__lead {
  max-width: 42rem;
  color: var(--color-on-dark-muted);
}

.philosophy__values {
  display: grid;
  gap: var(--space-5);
  margin-top: clamp(3rem, 6vw, 5rem);
}

.philosophy__values li {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line-on-dark);
}

.philosophy__values h3 {
  margin-bottom: var(--space-2);
  font-size: var(--fs-lg);
}

.philosophy__values p {
  color: var(--color-on-dark-muted);
  font-size: var(--fs-sm);
}

@media (min-width: 700px) {
  .philosophy__values {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

/* ==========================================================================
   選ばれる理由
   ========================================================================== */
.reason-list {
  display: grid;
  counter-reset: reason;
}

.reason-list__item {
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-line);
  counter-increment: reason;
}

.reason-list__item:last-child {
  border-bottom: 1px solid var(--color-line);
}

.reason-list__item::before {
  display: block;
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  content: counter(reason, decimal-leading-zero);
  font-family: var(--font-label);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1;
}

.reason-list h3 {
  margin-bottom: var(--space-2);
  font-size: var(--fs-xl);
}

.reason-list p {
  color: var(--color-text-muted);
}

@media (min-width: 900px) {
  .reason-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .reason-list__item,
  .reason-list__item:last-child {
    padding-block: var(--space-5) 0;
    border-top: 1px solid var(--color-primary);
    border-bottom: 0;
  }
}

/* ==========================================================================
   サービス内容
   ========================================================================== */
.card__media {
  overflow: hidden;
}

.card__media img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

@media (hover: hover) {
  .card:hover .card__media img {
    transform: scale(1.03);
  }
}

.card h3 {
  margin-bottom: var(--space-2);
  font-size: var(--fs-lg);
}

.card p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

/* スマホでは写真と文字を横に並べて、縦に長くなりすぎないようにする */
@media (max-width: 699px) {
  .card {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    gap: var(--space-4);
    padding-block: var(--space-4);
    border-top: 1px solid var(--color-line);
  }

  .card:last-child {
    border-bottom: 1px solid var(--color-line);
  }

  .card__media img {
    aspect-ratio: 1 / 1;
  }

  .card p {
    font-size: var(--fs-xs);
    line-height: 1.7;
  }
}

@media (min-width: 700px) {
  .card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-7) clamp(1.5rem, 3vw, 2.5rem);
  }

  .card__body {
    padding-top: var(--space-4);
  }
}

@media (min-width: 1000px) {
  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ==========================================================================
   お客様の声
   ========================================================================== */
.voice-grid {
  display: grid;
  gap: var(--space-6);
}

.voice {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-primary);
}

.voice__title {
  margin-bottom: var(--space-3);
  color: var(--color-primary);
  font-feature-settings: "palt";
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: var(--lh-tight);
}

.voice blockquote p:not(.voice__title) {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.voice figcaption {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
}

.voice figcaption img {
  flex: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
}

@media (min-width: 900px) {
  .voice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

/* ==========================================================================
   協賛企業
   ========================================================================== */
.sponsor {
  /* 左右の端を薄くして流す */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.sponsor__viewport {
  overflow-x: auto;
}

.sponsor__viewport.is-running {
  overflow-x: hidden;
  cursor: grab;
  -webkit-touch-callout: none;
  touch-action: pan-y;
  user-select: none;
}

.sponsor__viewport.is-dragging {
  cursor: grabbing;
}

.sponsor__viewport:focus-visible {
  outline-offset: -3px;
}

/* 画像のドラッグや長押しメニューがスライダーの操作を邪魔しないようにする */
.sponsor__viewport.is-running img {
  pointer-events: none;
}

.sponsor__track {
  display: flex;
  align-items: center;
  width: max-content;
  padding-inline: var(--gutter);
}

.sponsor__viewport.is-running .sponsor__track {
  padding-inline: 0;
  will-change: transform;
}

.sponsor__track li {
  flex: none;
  padding-right: clamp(2.5rem, 5vw, 4.5rem);
}

.sponsor__track img {
  width: auto;
  height: var(--logo-h);
}

/* ==========================================================================
   会社概要
   ========================================================================== */
.company-list > div {
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.company-list > div:first-child {
  border-top: 1px solid var(--color-primary);
}

.company-list dt {
  margin-bottom: var(--space-1);
  color: var(--color-primary);
  font-size: var(--fs-sm);
  font-weight: 700;
}

.company-list dd {
  overflow-wrap: anywhere;
}

@media (min-width: 700px) {
  .company-list > div {
    display: grid;
    grid-template-columns: 9rem minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-4);
  }

  .company-list dt {
    margin-bottom: 0;
  }
}

@media (min-width: 900px) {
  .company-grid {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--space-8);
  }

  .company-grid .section-title {
    margin-bottom: 0;
  }
}

/* ==========================================================================
   代表メッセージ
   ========================================================================== */
.message {
  display: grid;
  gap: var(--space-6);
}

.message__media img {
  width: 100%;
  max-width: 20rem;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.message__sign {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.message__sign strong {
  color: var(--color-primary);
  font-size: var(--fs-xl);
}

@media (min-width: 900px) {
  .message {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: clamp(3rem, 6vw, 5.5rem);
  }

  .message__media img {
    max-width: none;
  }
}

/* ==========================================================================
   お問い合わせ
   ========================================================================== */
.contact__grid {
  display: grid;
  gap: var(--space-7);
}

.contact__intro .section-title {
  margin-bottom: var(--space-4);
}

.contact__intro .section-lead {
  margin-bottom: var(--space-6);
}

.contact-action {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-line);
  color: var(--color-primary);
  line-height: 1.5;
  text-decoration: none;
}

.contact-action:last-child {
  border-bottom: 1px solid var(--color-line);
}

.contact-action::after {
  position: absolute;
  top: 50%;
  right: 0;
  width: 1.375rem;
  height: 0.625rem;
  margin-top: -0.3125rem;
  background: var(--color-accent);
  content: "";
  -webkit-mask: var(--icon-arrow) center / contain no-repeat;
  mask: var(--icon-arrow) center / contain no-repeat;
  transition: transform 0.3s var(--ease-out);
}

@media (hover: hover) {
  .contact-action:hover::after {
    transform: translateX(4px);
  }
}

.contact-action__label {
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
}

.contact-action__value {
  padding-right: var(--space-7);
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.contact-form {
  font-size: var(--fs-xs);
  line-height: 1.75;
}

.contact-form__fallback {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

.contact-form__frame {
  display: block;
  width: 100%;
  height: var(--form-height);
  border: 1px solid var(--color-line);
  background: var(--color-bg-soft);
  scroll-margin-top: calc(var(--header-h) + var(--space-3));
}

@media (min-width: 1000px) {
  .contact__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: var(--space-8);
  }
}

/* ==========================================================================
   フッター
   ========================================================================== */
.site-footer {
  padding-top: var(--space-7);
  background: var(--color-primary-dark);
  color: var(--color-on-dark-muted);
  font-size: var(--fs-sm);
}

.site-footer a {
  color: var(--color-on-dark);
  text-decoration-color: var(--color-line-on-dark);
}

.site-footer a:hover {
  text-decoration-color: currentColor;
}

.site-footer__inner {
  display: grid;
  gap: var(--space-6);
}

.site-footer__name {
  margin-bottom: var(--space-2);
  color: var(--color-on-dark);
  font-size: var(--fs-lg);
  font-weight: 700;
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2) var(--space-5);
}

.site-footer__nav a {
  text-decoration: none;
}

.site-footer__nav a:hover {
  text-decoration: underline;
}

.site-footer__links {
  display: grid;
  gap: var(--space-2);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-5);
  margin-top: var(--space-7);
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-line-on-dark);
  font-size: var(--fs-xs);
}

@media (min-width: 900px) {
  .site-footer__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
    align-items: start;
    gap: var(--space-7);
  }
}

/* ==========================================================================
   プライバシーポリシー・404
   ========================================================================== */
.simple-page {
  padding-block: var(--space-7) var(--section-y);
}

.simple-page .container {
  max-width: calc(50rem + var(--gutter) * 2);
}

.simple-page__title {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-7);
  font-size: var(--fs-title);
}

.policy h2 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  font-size: var(--fs-lg);
}

.policy ul {
  margin-top: var(--space-2);
  padding-left: 1.25em;
  list-style: disc;
}

.policy p + p {
  margin-top: var(--space-3);
}

.policy__contact {
  margin-top: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg-soft);
}

.policy__date {
  margin-top: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  text-align: right;
}

.not-found {
  max-width: calc(50rem + var(--gutter) * 2);
  padding-block: var(--space-8);
}

.not-found__code {
  color: var(--color-accent);
  font-family: var(--font-label);
  font-size: clamp(3.5rem, 10vw, 5.5rem);
  font-weight: 700;
  line-height: 1.1;
}

.not-found h1 {
  margin-block: var(--space-3);
  font-size: var(--fs-title);
}

.not-found p:not(.not-found__code) {
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
}

/* ==========================================================================
   スクロールエフェクト
   .reveal / .reveal-wipe は js/main.js が付けます
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(var(--reveal-distance));
  transition: opacity var(--reveal-duration) ease, transform var(--reveal-duration) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* 写真は静かに現れる */
.reveal-wipe img {
  opacity: 0;
  transition: opacity 0.9s ease;
}

.reveal-wipe.is-visible img {
  opacity: 1;
}

/* 横に並ぶカードは少しずつずらして表示する */
@media (min-width: 700px) {
  .philosophy__values > :nth-child(3n + 2),
  .reason-list > :nth-child(3n + 2),
  .card-grid > :nth-child(3n + 2),
  .voice-grid > :nth-child(3n + 2) {
    transition-delay: var(--reveal-stagger);
  }

  .philosophy__values > :nth-child(3n),
  .reason-list > :nth-child(3n),
  .card-grid > :nth-child(3n),
  .voice-grid > :nth-child(3n) {
    transition-delay: calc(var(--reveal-stagger) * 2);
  }
}

/* メインビジュアルはページを開いたときに表示する（JSなしでも最後は必ず表示される） */
@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(var(--reveal-distance));
  }
}

@keyframes hero-fade {
  from {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero__eyebrow,
  .hero__title,
  .hero__lead,
  .hero__actions {
    animation: hero-rise var(--reveal-duration) var(--ease-out) backwards;
  }

  .hero__title {
    animation-delay: 0.06s;
  }

  .hero__lead {
    animation-delay: 0.12s;
  }

  .hero__actions {
    animation-delay: 0.18s;
  }

  .hero__media img {
    animation: hero-fade 1s ease backwards;
  }
}

@media print {
  .site-header {
    position: static;
  }

  .reveal,
  .reveal-wipe img {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   「動きを減らす」設定への対応
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}