/* ===================================================
   mu:sta デザインプロトタイプ style.css
   Based on: musta_proto_01〜10.jpg
   =================================================== */

/* ---------- CSS 変数 ---------- */
:root {
  /* Colors */
  --color-dark: #1a1a1a;
  --color-dark-mid: #2a2a2a;
  --color-cream: #ede9e0;
  --color-cream-dark: #e0dbd0;
  --color-gray-blue: #778899;
  --color-white: #ffffff;
  --color-text-dark: #2c2c2c;
  --color-text-light: rgba(255, 255, 255, 0.9);
  --color-text-mute: rgba(255, 255, 255, 0.6);
  --color-accent: #c8b87a;
  /* ゴールド系アクセント */
  --color-border: rgba(0, 0, 0, 0.12);

  /* Typography */
  --font-en: 'optima-lt-pro', sans-serif;
  --font-ja: 'Noto Serif JP', 'Yu Mincho', serif;
  --font-body: 'Outfit', sans-serif;

  /* Spacing */
  --gnav-h: 72px;
}

/* ---------- リセット ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  scroll-behavior: auto;
}

/* scroll-behaviorはLenisが管理 */
body {
  font-family: var(--font-body);
  color: var(--color-text-dark);
  background: var(--color-white);
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

/* ===================================================
   GLOBAL NAV (Transparent Sticky Header)
   =================================================== */
.gnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--gnav-h);
  z-index: 200;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

/* 初期：透明 */
.gnav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.45) 0%, transparent 100%);
  pointer-events: none;
  transition: opacity 0.4s;
}

/* スクロール後：暗色背景 */
.gnav.is-scrolled {
  background: rgba(12, 12, 12, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.gnav.is-scrolled::before {
  opacity: 0;
}

.gnav__inner {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 40px;
  gap: 0;
}

/* ロゴ */
.gnav__logo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: auto;
}

.gnav__logo-img {
  width: 156px;
  height: auto;
  display: block;
  transform: translateY(10px);
  transition: width 0.4s ease, transform 0.4s ease;
}

/* スクロール時のロゴ（バーの高さに収める） */
.gnav.is-scrolled .gnav__logo-img {
  width: 120px;
  transform: translateY(0);
}

/* ナビリンク */
.gnav__nav ul {
  display: flex;
  align-items: center;
  gap: 0;
}

.gnav__nav li a {
  display: block;
  font-family: var(--font-ja);
  font-size: 0.78rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: 0.1em;
  padding: 0 18px;
  height: var(--gnav-h);
  line-height: var(--gnav-h);
  transition: color 0.2s;
  white-space: nowrap;
}

.gnav__nav li a:hover {
  color: var(--color-white);
}

/* CTAボタン */
.gnav__cta {
  flex-shrink: 0;
  margin-left: 24px;
  font-family: var(--font-ja);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.45);
  padding: 9px 22px;
  border-radius: 2px;
  transition: background 0.25s, border-color 0.25s, color 0.25s;
  white-space: nowrap;
}

.gnav__cta:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.8);
}

/* ハンバーガー（PCでは非表示） */
.gnav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: 16px;
}

.gnav__hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-white);
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}

/* モバイル: ナビopen時のハンバーガー変形 */
.gnav.nav-open .gnav__hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.gnav.nav-open .gnav__hamburger span:nth-child(2) {
  opacity: 0;
}

.gnav.nav-open .gnav__hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* レスポンシブ: 1100px未満 */
@media (max-width: 1100px) {
  .gnav__nav li a {
    padding: 0 12px;
  }

  .gnav__inner {
    padding: 0 24px;
  }
}

@media (max-width: 860px) {
  .gnav__hamburger {
    display: flex;
  }

  .gnav__nav {
    display: none;
    position: absolute;
    top: var(--gnav-h);
    left: 0;
    right: 0;
    background: rgba(12, 12, 12, 0.96);
    backdrop-filter: blur(12px);
    padding: 24px 0 32px;
  }

  .gnav.nav-open .gnav__nav {
    display: block;
  }

  .gnav__nav ul {
    flex-direction: column;
    gap: 0;
  }

  .gnav__nav li a {
    height: auto;
    line-height: 1;
    padding: 16px 32px;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .gnav__cta {
    display: none;
  }
}

/* ===================================================
   共通コンポーネント
   =================================================== */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 60px 36px;
}

.section-header__left {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.section-title-en {
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1;
}

.section-title-ja {
  font-family: var(--font-ja);
  font-size: 0.88rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: #666;
}

.view-more-link {
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  color: #555;
  padding-bottom: 6px;
  border-bottom: 1px solid currentColor;
  transition: color 0.2s;
}

.view-more-link:hover {
  color: var(--color-dark);
}

.text-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  color: var(--color-dark);
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  transition: color 0.2s;
}

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

.text-link:hover {
  opacity: 0.7;
}

/* ===================================================
   01. KV / HERO
   =================================================== */
.kv {
  position: relative;
  height: 100svh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.kv__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background: #0c0c0c;
}

.kv__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: kvCrossfade 6s ease-in-out infinite;
}

.kv__video--1 {
  animation-delay: 0s;
}

.kv__video--2 {
  animation-delay: -3s;
}

@keyframes kvCrossfade {
  0% {
    opacity: 1;
  }

  40% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }

  90% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

.kv__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
  z-index: 2;
  pointer-events: none;
}

/* テキストオーバーレイ */
.kv__text {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  white-space: nowrap;
  z-index: 10;
}

.kv__en {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 4.5vw, 3.6rem);
  font-weight: 300;
  color: var(--color-white);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 20px;
}

.kv__ja {
  font-family: var(--font-ja);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 200;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.5em;
}

/* ロゴ（kv::before は削除 - headerに移動済み） */

/* SCROLL インジケーター */
.kv__scroll {
  position: absolute;
  right: 20px;
  bottom: 30px;
  writing-mode: vertical-rl;
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: rgba(255, 255, 255, 0.5);
  z-index: 10;
}

/* ===================================================
   02. ABOUT
   =================================================== */
.about {
  position: relative;
  min-height: 75svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.about__bg {
  position: absolute;
  inset: 0;
  background-image: url(img/img-kv-05.webp);
  background-size: cover;
  background-position: center;
}

.about__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(14, 16, 20, 0.65);
}

.about__content {
  position: relative;
  z-index: 1;
  padding: 80px 80px 80px 80px;
  max-width: 900px;
}

.about__heading {
  font-family: var(--font-ja);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 300;
  color: var(--color-white);
  letter-spacing: 0.15em;
  margin-bottom: 48px;
  line-height: 1.4;
}

.about__body {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
}

.about__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about__text p {
  font-family: var(--font-ja);
  font-size: 1rem;
  font-weight: 200;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.1em;
  line-height: 1.9;
}

.about__link {
  flex-shrink: 0;
}

/* ===================================================
   03. PLANS
   =================================================== */
.plans {
  background-image: linear-gradient(rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.7)), url(img/p0521.webp);
  background-size: 120%;
  background-position: center;
  background-repeat: no-repeat;
  padding: 80px 0 80px;
}

.plans .section-header {
  padding-bottom: 48px;
}

.plans .section-title-en {
  color: var(--color-text-dark);
}

.plans .view-more-link {
  color: #555;
}

.plans__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0 60px;
  gap: 0;
}

.plan-card {
  padding: 0 20px 32px;
  border-right: 1px solid var(--color-border);
}

.plan-card:last-child {
  border-right: none;
}

.plan-card__image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  margin-bottom: 20px;
  cursor: pointer;
}

.plan-card__image--piano {
  background-image: url(img/img-kv-01.webp);
  background-size: cover;
  background-position: center;
}

.plan-card__image--rehearsal {
  background-image: url(img/img-kv-02.webp);
  background-size: cover;
  background-position: center;
}

.plan-card__image--recording {
  background-image: url(img/img-kv-05.webp);
  background-size: cover;
  background-position: center;
}

/* ホバー時のDETAILボタン */
.plan-card__detail {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity 0.3s;
}

.plan-card__detail::before {
  content: 'DETAIL';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40%;
  min-width: 140px;
  height: 52px;
  border-radius: 100px;
  border: 1px solid var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-en);
  font-weight: 300;
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  padding-left: 0.2em;
}

.plan-card__image:hover .plan-card__detail {
  opacity: 1;
}

.plan-card__desc {
  font-family: var(--font-ja);
  font-size: 0.82rem;
  color: #666;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 8px;
}

.plan-card__arrow {
  text-align: center;
  color: #888;
  font-size: 1rem;
  line-height: 1;
  margin-bottom: 8px;
}

.plan-card__name {
  font-family: var(--font-ja);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 6px;
}

.plan-card__spec {
  font-family: var(--font-ja);
  font-size: 0.82rem;
  color: #888;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 20px;
}

.plan-card__divider {
  height: 1px;
  background: var(--color-border);
}

/* ===================================================
   04. SERVICE
   =================================================== */
.service {
  background: var(--color-white);
}

.service__header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 60px 60px 0;
}

.service__list {
  display: flex;
  flex-direction: column;
  margin-top: 32px;
}

.service-item {
  position: relative;
  height: 280px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.service-item__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

.service-item:hover .service-item__bg {
  transform: scale(1.03);
}

.service-item__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.15) 60%);
}

/* 各サービスの背景画像 */
.service-item--music .service-item__bg {
  background-image: url(img/service_1.png);
  background-size: cover;
  background-position: center;
}

.service-item--rehearsal .service-item__bg {
  background-image: url(img/service_2.png);
  background-size: cover;
  background-position: center;
}

.service-item--recording .service-item__bg {
  background-image: url(img/service_3.png);
  background-size: cover;
  background-position: center;
}

.service-item--av .service-item__bg {
  background-image: url(img/service_4.png);
  background-size: cover;
  background-position: center;
}

.service-item__content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  width: 100%;
  padding: 32px 60px;
  gap: 20px;
}

.service-item__desc {
  font-family: var(--font-ja);
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

.service-item__name {
  font-family: var(--font-ja);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 300;
  color: var(--color-white);
  letter-spacing: 0.15em;
  margin-bottom: 6px;
  line-height: 1.2;
}

.service-item__sub {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.1em;
}

.service-item__link {
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.7);
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  transition: color 0.2s, border-color 0.2s;
}

.service-item__link:hover {
  color: var(--color-white);
  border-color: var(--color-white);
}

.service-item__deco {
  position: absolute;
  bottom: 24px;
  right: 50%;
  color: rgba(255, 255, 255, 0.15);
  font-size: 1.5rem;
  z-index: 1;
}

/* ===================================================
   05. MODELROOM
   =================================================== */
.modelroom {
  background-color: var(--color-gray-blue);
  background-image: url(img/p0521.webp);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-blend-mode: multiply;
  padding: 80px 60px;
}

.modelroom__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 60px;
  max-width: 1200px;
}

.modelroom__heading {
  font-family: var(--font-ja);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 200;
  color: var(--color-white);
  letter-spacing: 0.4em;
  margin-bottom: 32px;
}

.modelroom__label {
  font-family: var(--font-ja);
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.modelroom__name {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  color: var(--color-white);
  letter-spacing: 0.25em;
  margin-bottom: 36px;
}

.modelroom__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.modelroom__body p {
  font-family: var(--font-ja);
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.08em;
  line-height: 1.8;
}

.modelroom__photo {
  width: 380px;
  aspect-ratio: 4/3;
  outline: 12px solid rgba(255, 255, 255, 0.15);
  outline-offset: -12px;
  background-image: url(img/modelroom.png);
  background-size: cover;
  background-position: center;
}

/* ===================================================
   06. PHILOSOPHY (衣食住音)
   =================================================== */
.philosophy {
  position: relative;
  height: 300vh;
  /* スクロール余白を作ってサークルをピン留め */
}

/* ピン留めされる可視エリア */
.philosophy__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.philosophy__bg {
  position: absolute;
  inset: 0;
  background-image: url(img/philosophy_bg.png);
  background-size: cover;
  background-position: center;
}

.philosophy__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.philosophy__circles {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
}

.phil-circle {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: -30px;
  background: transparent;

  /* 初期状態：非表示 */
  opacity: 0;
  transform: translateY(24px) scale(0.88);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.phil-circle:first-child {
  margin-left: 0;
}

/* 表示状態 */
.phil-circle.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* 時差アニメーション */
.phil-circle[data-index="0"] {
  transition-delay: 0s;
}

.phil-circle[data-index="1"] {
  transition-delay: 0.18s;
}

.phil-circle[data-index="2"] {
  transition-delay: 0.36s;
}

.phil-circle[data-index="3"] {
  transition-delay: 0.54s;
}

.phil-circle span {
  font-family: var(--font-ja);
  font-size: 1.6rem;
  font-weight: 200;
  color: var(--color-white);
  letter-spacing: 0.1em;
}

/* アクセント（音）：スケールアップ強調 */
.phil-circle--accent {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent) inset;
}

.phil-circle--accent span {
  color: var(--color-accent);
}


/* ===================================================
   07. WORKS
   =================================================== */
.works {
  background: var(--color-white);
  padding: 80px 0;
}

.works__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 8px;
}

.works-card {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  cursor: pointer;
}

.works-card__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

.works-card:hover .works-card__bg {
  transform: scale(1.05);
}

.works-card__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.65) 0%, rgba(0, 0, 0, 0) 50%);
}

/* 各カードの背景画像 */
.works-card--1 .works-card__bg {
  background-image: url(img/works_1.png);
  background-size: cover;
  background-position: center;
}

.works-card--2 .works-card__bg {
  background-image: url(img/works_2.png);
  background-size: cover;
  background-position: center;
}

.works-card--3 .works-card__bg {
  background-image: url(img/works_1.png);
  background-size: cover;
  background-position: top;
}

.works-card--4 .works-card__bg {
  background-image: url(img/works_2.png);
  background-size: cover;
  background-position: bottom;
}

.works-card__content {
  position: absolute;
  z-index: 1;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 32px;
}

.works-card__cat {
  display: inline-block;
  font-family: var(--font-ja);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.1em;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 12px;
}

.works-card__title {
  font-family: var(--font-ja);
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-white);
  letter-spacing: 0.08em;
  line-height: 1.7;
  margin-bottom: 12px;
}

.works-card__link {
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.7);
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* ===================================================
   08. FLOW
   =================================================== */
.flow {
  background: var(--color-white);
  padding: 80px 80px 60px;
}

.flow__heading {
  font-family: var(--font-ja);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 300;
  letter-spacing: 0.5em;
  margin-bottom: 16px;
}

.flow__divider {
  height: 1px;
  background: var(--color-border);
  margin-bottom: 36px;
}

.flow__intro {
  margin-bottom: 48px;
}

.flow__intro p,
.flow__intro li {
  font-family: var(--font-ja);
  font-size: 1rem;
  color: #555;
  letter-spacing: 0.08em;
  line-height: 1.9;
}

.flow__intro ol {
  padding-left: 1.2em;
  counter-reset: flow-counter;
}

.flow__intro li {
  list-style: decimal;
  margin-left: 1em;
}

.flow__note {
  font-family: var(--font-ja);
  font-size: 0.82rem;
  color: #999;
  letter-spacing: 0.06em;
}

.flow__note--bottom {
  text-align: center;
  margin-top: 40px;
}

.flow__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.flow__row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.flow-step {
  position: relative;
  padding-top: 24px;
}

.flow-step--offset {
  padding-top: 0;
}

.flow-step__badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-dark);
  color: var(--color-white);
  font-family: var(--font-ja);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 20px;
}

.flow-step__num {
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: #888;
  text-align: center;
  margin-bottom: 12px;
}

.flow-step__oval {
  border: 1px solid #ccc;
  border-radius: 100px;
  padding: 32px 28px;
  text-align: center;
  height: 100%;
}

.flow-step__oval h3 {
  font-family: var(--font-ja);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  line-height: 1.7;
  margin-bottom: 16px;
}

.flow-step__oval h3 small {
  display: block;
  font-size: 0.75rem;
  font-weight: 300;
  color: #888;
  letter-spacing: 0.1em;
}

.flow-step__divider {
  height: 1px;
  background: #ddd;
  margin-bottom: 16px;
}

.flow-step__oval p {
  font-family: var(--font-ja);
  font-size: 0.82rem;
  color: #666;
  line-height: 1.9;
  letter-spacing: 0.06em;
}

/* ===================================================
   09. NEWS
   =================================================== */
.news {
  background: var(--color-cream);
  padding: 80px 0;
}

.news .section-header {
  padding-bottom: 32px;
}

.news .section-title-ja {
  color: #666;
}

.news__list {
  padding: 0 60px;
}

/* カード間マージン */
.news-item {
  margin-bottom: 12px;
}

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

/* カード本体：白背景 */
.news-item__inner {
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 32px 36px;
  background: var(--color-white);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.news-item__inner:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* サムネイル：プロトタイプに合わせて大きめ */
.news-item__image {
  flex-shrink: 0;
  width: 160px;
  aspect-ratio: 4/3;
  background-image: url(img/news_thumb.png);
  background-size: cover;
  background-position: center;
}

.news-item__date {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: #888;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.news-item__title {
  font-family: var(--font-ja);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  line-height: 1.7;
  color: var(--color-text-dark);
  margin-bottom: 12px;
}

.news-item__tags {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.news-item__tag {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: #888;
  letter-spacing: 0.06em;
}

/* ===================================================
   FOOTER
   =================================================== */
.footer {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 48px 60px;
}

.footer__inner {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.footer__logo-img {
  width: 140px;
  height: auto;
  display: block;
  /* Depending on the SVG color, it may need invert for the footer. Assuming it's dark for footer or it's a dual SVG. */
}

.footer__nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer__nav a {
  font-family: var(--font-ja);
  font-size: 0.82rem;
  color: #555;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.footer__nav a:hover {
  color: var(--color-dark);
}

.footer__sep {
  color: #ccc;
  font-size: 0.8rem;
}

.footer__copy {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: #aaa;
  letter-spacing: 0.08em;
  margin-left: auto;
}