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

:root {
  --white:      #FAFAFA;
  --black:      #171717;
  --gray-900:   #171717;
  --gray-800:   #262626;
  --gray-600:   #636366;
  --gray-400:   #AEAEB2;
  --gray-200:   #E5E5EA;
  --gray-100:   #F2F2F7;
  --accent:     #1C1C1E;

  --font-en:    'Inter', sans-serif;
  --font-ja:    'Noto Sans JP', sans-serif;

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 24px rgba(0,0,0,.10);
  --shadow-lg:  0 12px 48px rgba(0,0,0,.14);

  --transition: 0.25s ease;
  --header-h:   64px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  overscroll-behavior-x: none;
}

body {
  font-family: var(--font-ja);
  background: var(--white);
  color: var(--gray-900);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100vw;
  overscroll-behavior-x: none;
  touch-action: pan-y;
}

.page-wrap {
  overflow-x: hidden;
  width: 100%;
  position: relative;
  touch-action: pan-y;
}

img { display: block; max-width: 100%; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ========================================
   LAYOUT
======================================== */
.container {
  width: min(1100px, 100% - 48px);
  margin-inline: auto;
}

.section {
  padding-block: 96px;
  overflow-x: hidden;
}

.section__header {
  text-align: center;
  margin-bottom: 64px;
}

.section__label {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--gray-400);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.2;
  color: var(--gray-900);
}

.section__sub {
  margin-top: 16px;
  color: var(--gray-600);
  font-size: clamp(.78rem, 2vw, .95rem);
  text-align: center;
  line-height: 2;
}

/* ========================================
   NEXT EVENT
======================================== */
/* NEXT EVENT アニメーション */
.ne-anim {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease !important;
}

.ne-anim[data-delay="0"] { transition-delay: 0s; }
.ne-anim[data-delay="1"] { transition-delay: 0.2s; }
.ne-anim[data-delay="2"] { transition-delay: 0.4s; }
.ne-anim[data-delay="3"] { transition-delay: 0.55s; }

.ne-anim.visible {
  opacity: 1;
  transform: translateY(0);
}

.next-event__line {
  width: 0;
  height: 1px;
  background: var(--gray-200);
  transition: width 0.6s ease 0.4s, opacity 0.6s ease 0.4s;
  opacity: 0;
}

.next-event__line.visible {
  width: 120px;
  opacity: 1;
}

.next-event {
  padding-block: 64px;
  text-align: center;
}

.next-event__title {
  font-family: var(--font-en);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.2;
  color: var(--gray-900);
}

.next-event__inner {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.next-event__date {
  font-family: var(--font-en);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--gray-900);
  line-height: 1;
}

.next-event__date span {
  font-family: var(--font-ja);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: 0;
  margin-left: 4px;
}

.next-event__details {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.next-event__detail {
  font-family: var(--font-ja);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 600;
  color: var(--gray-900);
  text-align: center;
}

.concept__badges {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: nowrap;
  margin-top: 48px;
}

.concept__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--gray-900);
  color: var(--gray-400);
  border-radius: 100px;
  font-size: clamp(.7rem, 1.5vw, .85rem);
  font-family: var(--font-ja);
  letter-spacing: .01em;
  white-space: nowrap;
}

.concept__sub {
  margin-top: 16px;
  color: var(--gray-600);
  font-size: clamp(.95rem, 2vw, 1.05rem);
  text-align: center;
  line-height: 1.9;
}

.concept__sub p {
  margin-bottom: 12px;
}

.concept__sub p:last-child {
  margin-bottom: 0;
}

/* ========================================
   BUTTONS
======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-ja);
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--gray-900);
  color: var(--white);
}
.btn--primary:hover {
  background: var(--gray-800);
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
}

.btn--ghost {
  background: transparent;
  color: var(--gray-900);
  border-color: var(--gray-200);
}
.btn--ghost:hover {
  background: var(--gray-100);
  border-color: var(--gray-400);
}

.btn--outline {
  background: transparent;
  color: var(--gray-900);
  border-color: var(--gray-200);
}
.btn--outline:hover {
  background: var(--gray-100);
}

.btn--white {
  background: var(--white);
  color: var(--gray-900);
}
.btn--white:hover {
  box-shadow: 0 8px 32px rgba(255,255,255,.25);
}

/* ========================================
   HEADER
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: -1;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.header__logo {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--gray-900);
}

.header__logo span {
  color: var(--gray-900);
}

/* 言語切替ボタン */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 3px;
  background: none;
  border: 1px solid var(--gray-200);
  border-radius: 100px;
  padding: 5px 12px;
  cursor: pointer;
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--gray-400);
  transition: border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.lang-toggle:hover {
  border-color: var(--gray-400);
  color: var(--gray-900);
}

.lang-toggle__ja,
.lang-toggle__en {
  transition: color var(--transition);
}

.lang-toggle__sep {
  color: var(--gray-200);
}

[lang="ja"] .lang-toggle__ja { color: var(--gray-900); font-weight: 800; }
[lang="ja"] .lang-toggle__en { color: var(--gray-400); }
[lang="en"] .lang-toggle__en { color: var(--gray-900); font-weight: 800; }
[lang="en"] .lang-toggle__ja { color: var(--gray-400); }

/* モバイルでのlang-toggleの位置 */
@media (max-width: 640px) {
  .nav__lang-item {
    margin-top: 8px;
  }
  .nav__lang-item .lang-toggle {
    border-color: var(--gray-200);
    color: var(--gray-600);
  }
}

/* NAV */
.nav__list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--gray-600);
  padding: 8px 14px;
  border-radius: 100px;
  transition: color var(--transition), background var(--transition);
}

@media (max-width: 640px) {
  .nav__link:not(.nav__link--cta) {
    color: var(--gray-900);
    font-weight: 600;
  }
}

.nav__link:hover {
  color: var(--gray-900);
  background: var(--gray-100);
}

.nav__link--cta {
  background: var(--gray-900);
  color: var(--white);
  font-weight: 700;
}

.nav__link--cta:hover {
  background: var(--gray-800);
  color: var(--white);
}

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-900);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========================================
   HERO
======================================== */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow: hidden;
  background: var(--white);
  width: 100%;
}

.hero__bg-text {
  position: absolute;
  bottom: -0.1em;
  right: -0.05em;
  font-family: var(--font-en);
  font-size: clamp(160px, 25vw, 320px);
  font-weight: 900;
  color: var(--gray-100);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -.05em;
}

.hero__inner {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 100%;
  max-width: 1000px;
  margin-inline: auto;
}

.hero__logo-wrap {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  border-right: 1px solid var(--gray-200);
  padding-right: 80px;
  margin-bottom: 190px;
}

.hero__logo {
  width: clamp(180px, 20vw, 280px);
  height: auto;
}

.hero__catch {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding-left: 80px;
  padding-top: 0;
  padding-bottom: 190px;
  box-sizing: border-box;
  max-width: 450px;
}

.hero__catch-en {
  font-family: var(--font-en);
  font-size: clamp(.8rem, 1.1vw, .95rem);
  font-weight: 400;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #888888;
  margin-bottom: 4px;
}

.hero__catch-text {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--gray-900);
  margin-bottom: 4px;
}

.hero__catch-desc {
  font-family: var(--font-ja);
  font-size: clamp(.88rem, 1.5vw, 1rem);
  font-weight: 400;
  letter-spacing: .02em;
  color: #888888;
  line-height: 1.9;
  margin-bottom: 8px;
}

.hero__concept {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 300;
  color: var(--gray-600);
  letter-spacing: .12em;
  margin-bottom: 16px;
}

.hero__desc {
  font-size: 1rem;
  color: var(--gray-600);
  max-width: 400px;
  line-height: 1.8;
  margin-bottom: 40px;
  font-weight: 300;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 0;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.stat__num {
  display: block;
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
}

.stat__label {
  display: block;
  font-size: .75rem;
  color: var(--gray-400);
  margin-top: 2px;
}

.stat__divider {
  width: 1px;
  height: 36px;
  background: var(--gray-200);
}

/* ========================================
   CONCEPT
======================================== */
/* ========================================
   TAGLINE
======================================== */
.tagline {
  background: var(--gray-900);
  padding-block: 80px;
}

.tagline__inner {
  text-align: center;
}

.tagline__en {
  font-family: var(--font-en);
  font-size: clamp(.75rem, 1.5vw, .9rem);
  font-weight: 400;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 16px;
}

.tagline__ja {
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: .04em;
  margin-bottom: 20px;
}

.tagline__desc {
  font-size: clamp(.9rem, 1.8vw, 1rem);
  color: rgba(255,255,255,.5);
  font-weight: 300;
  line-height: 1.8;
}

/* ========================================
   CONCEPT
======================================== */
.concept {
  background: var(--white);
  padding-top: 32px;
}

.concept__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.concept__card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
}

.concept__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.concept__icon {
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--gray-200);
  line-height: 1;
  margin-bottom: 24px;
}

.concept__card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.concept__card-text {
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.8;
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* 横画面のカードテキスト折り返し修正 */
@media (orientation: landscape) and (max-width: 900px) {
  .concept__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    max-width: 100%;
  }

  .concept__card {
    padding: 20px 14px;
  }

  .concept__card-text {
    font-size: .78rem;
    word-break: keep-all;
    white-space: normal;
  }
}

/* ========================================
   ORGANIZER SLIDER（PCのみ）
======================================== */
.organizer-slider {
  overflow: hidden;
}

.organizer-track {
  display: flex;
  transition: transform 0.5s ease;
}

.organizer-slide {
  min-width: 100%;
}

.organizer-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  padding-bottom: 16px;
}

.organizer-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-200);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}

.organizer-dot.active {
  background: var(--gray-900);
  transform: scale(1.2);
}

/* スマホ・タブレット縦画面：スライドなし・縦積み表示 */
@media (max-width: 899px) {
  .organizer-slider {
    overflow: visible;
  }

  .organizer-track {
    flex-direction: column;
    transform: none !important;
    transition: none;
    gap: 64px;
  }

  .organizer-slide {
    min-width: 100%;
  }

  .organizer-dots {
    display: none;
  }

  .about__inner--center {
    padding-top: 0;
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
    grid-template-columns: 1fr;
    text-align: left;
  }

  .about__content--center {
    display: block;
    text-align: left;
  }

  .about__content--center *,
  .about__content--center .about__bio p,
  .about__content--center .section__label,
  .about__content--center .about__title {
    text-align: left;
  }
}

/* ========================================
   ABOUT
======================================== */
.about {
  background: var(--white);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__inner--center {
  grid-template-columns: 1fr;
  max-width: 600px;
  margin-inline: auto;
  padding-top: 90px;
}

.about__content--center {
  text-align: center;
  align-items: center;
}

.about__content--center .about__bio p {
  text-align: center;
}

@media (max-width: 899px) {
  .about__inner--center {
    padding-top: 0;
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
  }

  .about__content--center {
    text-align: left !important;
    align-items: flex-start !important;
  }

  .about__content--center .about__bio p,
  .about__content--center .section__label,
  .about__content--center .about__title {
    text-align: left !important;
  }

  .about__content--center .btn {
    display: block;
    text-align: center;
    width: 100%;
  }
}

.about__image-wrap {
  grid-row: 1 / 2;
}

.about--maru {
  padding-top: 32px;
}

.about--maru .about__inner {
  grid-template-columns: 1fr;
  max-width: 600px;
  margin-left: auto;
  margin-right: 0;
}

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


.about__image-wrap {
  position: relative;
  max-width: 380px;
}

.about__image-placeholder {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: none;
}

.about__photo {
  width: 100%;
  height: auto;
  display: block;
}

.about__image-placeholder--empty {
  aspect-ratio: 3 / 4;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--gray-200);
}

.about__instagram {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 100px;
  padding: 10px 20px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-900);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  transition: box-shadow var(--transition), transform var(--transition);
}

.about__instagram:hover {
  box-shadow: var(--shadow-lg);
  transform: translateX(-50%) translateY(-2px);
}

.about__title {
  text-align: left;
  margin-bottom: 8px;
}

.about__handle {
  font-family: var(--font-en);
  font-size: .875rem;
  color: var(--gray-400);
  margin-bottom: 20px;
}

.about__bio {
  color: var(--gray-600);
  font-size: clamp(.78rem, 1.4vw, .88rem);
  line-height: 1.9;
  margin-bottom: 28px;
}

.about__bio p {
  margin-bottom: 8px;
}

.about__bio p:last-child {
  margin-bottom: 0;
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}

.tag {
  font-size: .8rem;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 100px;
  padding: 6px 14px;
}

/* ========================================
   FOR YOU
======================================== */
.foryou {
  background: var(--gray-900);
  color: var(--white);
}

.foryou .section__label {
  color: rgba(255,255,255,.4);
}

.foryou__title {
  color: var(--white);
  text-align: center;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: -.02em;
}

/* PC: 2列グリッド */
.foryou__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 40px;
  max-width: 860px;
  margin: 0 auto 48px;
}

.foryou__list li {
  font-size: clamp(.85rem, 1.4vw, 1.15rem);
  color: rgba(255,255,255,.92);
  padding: 20px 24px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  text-align: center;
  line-height: 1.5;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: break-word;
}

.foryou__list--last {
  grid-column: 1 / -1;
  max-width: 400px;
  margin-inline: auto;
  width: 100%;
}

.foryou .btn--primary {
  background: var(--white);
  color: var(--gray-900);
  border-color: var(--white);
}

.foryou .btn--primary:hover {
  background: var(--gray-200);
}

.foryou__cta {
  text-align: center;
}

@media (max-width: 900px) {
  .foryou__visual { display: none; }
}

/* ========================================
   PLANS
======================================== */
.plans {
  background: var(--white);
}

.plans__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 780px;
  margin-inline: auto;
}

.plan-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.plan-card--featured {
  background: var(--gray-900);
  border-color: var(--gray-900);
  color: var(--white);
  transform: scale(1.02);
}

.plan-card--featured:hover {
  transform: scale(1.02) translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.plan-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  color: var(--gray-900);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 100px;
  border: 1px solid var(--gray-200);
  white-space: nowrap;
}

.plan-card__label {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--gray-400);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.plan-card--featured .plan-card__label {
  color: rgba(255,255,255,.5);
}

.plan-card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.price__amount {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.04em;
}

.price__period {
  font-size: .875rem;
  color: var(--gray-400);
}

.plan-card--featured .price__period {
  color: rgba(255,255,255,.5);
}

.plan-card__desc {
  font-size: .875rem;
  color: var(--gray-600);
  margin-bottom: 32px;
}

.plan-card--featured .plan-card__desc {
  color: rgba(255,255,255,.6);
}

.plan-card__features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .875rem;
}

.feature::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-size: 10px;
  background-position: center;
  background-repeat: no-repeat;
}

.feature--on::before {
  background-color: var(--gray-900);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 8'%3E%3Cpath d='M1 4l3 3 5-6' stroke='%23fff' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.plan-card--featured .feature--on::before {
  background-color: var(--white);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 8'%3E%3Cpath d='M1 4l3 3 5-6' stroke='%231C1C1E' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.feature--off {
  color: var(--gray-400);
}

.feature--off::before {
  background-color: var(--gray-200);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath d='M2 2l4 4M6 2l-4 4' stroke='%23AEAEB2' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
}

.plan-card--featured .feature--off {
  color: rgba(255,255,255,.3);
}

.plan-card__btn {
  width: 100%;
}

/* ========================================
   CTA BANNER
======================================== */
.cta {
  background: var(--gray-900);
  padding-block: 96px;
}

.cta__inner {
  text-align: center;
}

.cta__title {
  font-family: var(--font-en);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -.04em;
  margin-bottom: 16px;
}

.cta__text {
  color: rgba(255,255,255,.5);
  font-size: 1rem;
  margin-bottom: 40px;
}

/* ========================================
   CONTACT
======================================== */
.contact {
  background: var(--white);
}

.contact__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.contact__inner .contact__email,
.contact__inner .contact__instagram {
  display: block;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.contact__title {
  text-align: center;
  margin-bottom: 12px;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem) !important;
}

.contact.section {
  padding-top: 48px;
  padding-bottom: 0;
}

.faq.section {
  padding-top: 64px;
  padding-bottom: 48px;
}

.contact__desc {
  font-size: clamp(.85rem, 2.2vw, .95rem);
  color: var(--gray-600);
  margin-bottom: 32px;
  text-align: center;
  line-height: 1.9;
}

/* FAQ SECTION */
.faq__inner {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.faq__wrapper {
  width: 100%;
  text-align: left;
}

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

.contact__email {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-900);
  border-bottom: 1px solid var(--gray-900);
  padding-bottom: 2px;
  transition: opacity var(--transition);
  margin-bottom: 20px;
}

.contact__email:hover {
  opacity: 0.5;
}

.contact__instagram {
  margin-bottom: 64px;
}

/* FAQ ACCORDION */

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

.faq__item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  padding: 20px 24px;
  background: var(--white);
  border: none;
  text-align: left;
  font-family: var(--font-ja);
  font-size: .95rem;
  font-weight: 600;
  color: var(--gray-900);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition);
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.faq__question:hover {
  background: var(--gray-100);
}

.faq__question:focus,
.faq__question:focus-visible,
.faq__question:focus-within,
.faq__question:active {
  outline: none;
  background: var(--white);
  -webkit-appearance: none;
}

.faq__item.open .faq__question:focus,
.faq__item.open .faq__question:focus-visible {
  background: var(--white);
}

.faq__question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--gray-600);
  transition: transform var(--transition);
  margin-left: auto;
}

.faq__item.open .faq__question::after {
  transform: rotate(45deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition) ease;
  background: var(--gray-100);
}

.faq__item.open .faq__answer {
  max-height: 500px;
}

.faq__answer p {
  padding: 20px 24px;
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin: 0;
}

/* ========================================
   FOOTER
======================================== */
.footer {
  background: var(--black);
  padding-block: 48px;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer__logo {
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
}

.footer__logo span {
  color: var(--gray-600);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.footer__nav a {
  font-size: .8rem;
  color: var(--gray-600);
  padding: 4px 12px;
  border-radius: 100px;
  transition: color var(--transition);
}

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

.footer__copy {
  font-size: .75rem;
  color: var(--gray-800);
}

/* ========================================
   SCROLL ANIMATIONS
======================================== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

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

.concept__card:nth-child(2) { transition-delay: .1s; }
.concept__card:nth-child(3) { transition-delay: .2s; }

.plans__grid .plan-card:nth-child(2) { transition-delay: .12s; }

/* ========================================
   RESPONSIVE — TABLET (≤ 900px)
======================================== */
@media (max-width: 900px) {
  .concept__grid {
    grid-template-columns: 1fr;
    max-width: 100%;
    width: 100%;
    margin-inline: auto;
    overflow: hidden;
  }

  .concept__card {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 32px 24px;
  }

  .concept__card-text {
    word-break: break-all;
    overflow-wrap: break-word;
    white-space: normal;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }


  .about__title {
    font-size: 2rem;
  }

  .plans__grid {
    grid-template-columns: 1fr;
    max-width: 440px;
  }

  .plan-card--featured {
    transform: none;
  }

  .plan-card--featured:hover {
    transform: translateY(-4px);
  }
}

/* ========================================
   RESPONSIVE — MOBILE (≤ 640px)
======================================== */
@media (max-width: 640px) {
  :root {
    --header-h: 56px;
  }

  .container {
    width: 100%;
    max-width: 100%;
    padding-inline: 24px;
  }

  .section {
    padding-block: 48px;
  }

  .section__header {
    margin-bottom: 40px;
  }

  /* Header & Nav */
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform .3s ease;
    z-index: 99;
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    gap: 8px;
    width: 100%;
    padding: 32px 24px;
  }

  .nav__link {
    display: block;
    text-align: center;
    font-size: 1.05rem;
    padding: 14px 16px;
  }

  /* Hero */
  .hero__inner {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    padding-top: 0;
    padding-bottom: 0;
  }

  .hero__logo-wrap {
    border-right: none;
    border-bottom: none;
    padding-right: 0;
    padding-bottom: 40px;
    margin-bottom: 0;
    justify-content: center;
    width: 100%;
    background: linear-gradient(to right, transparent 0%, transparent calc(50% - 30vw), var(--gray-200) calc(50% - 30vw), var(--gray-200) calc(50% + 30vw), transparent calc(50% + 30vw), transparent 100%);
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: 100% 1px;
  }

  .hero__logo {
    width: clamp(180px, 60vw, 320px);
  }

  .hero__catch {
    flex: 0 0 auto;
    align-items: center;
    text-align: center;
    width: 100%;
    padding-left: 0;
    padding-top: 0;
    padding-bottom: 0;
  }

  .hero__catch-desc {
    font-size: .7rem;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    max-width: 100%;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  /* テキスト折り返し修正 */
  .section__title {
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    font-size: 0.95rem;
    white-space: normal;
  }

  .concept .section__title {
    font-size: 0.9rem;
  }

  .foryou__title {
    font-size: 1.6rem;
  }

  .section__sub,
  .concept__sub {
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    font-size: 0.65rem;
    white-space: normal;
  }

  .foryou__list li {
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    font-size: 0.7rem;
    white-space: normal;
    padding: 16px 18px;
    text-align: center;
  }

  .faq__question {
    word-break: break-word;
    overflow-wrap: break-word;
    font-size: 0.75rem;
    white-space: normal;
    padding: 16px 20px;
  }

  .contact__desc {
    word-break: break-word;
    overflow-wrap: break-word;
  }

  /* NEXT EVENT */
  .next-event__detail {
    word-break: break-word;
    overflow-wrap: break-word;
    font-size: 0.95rem;
  }

  .hero__title {
    font-size: clamp(1.6rem, 8vw, 3rem);
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0;
  }

  .hero__stats {
    gap: 16px;
  }

  /* Plan cards */
  .plan-card {
    padding: 32px 28px;
  }

  /* CTA */
  .cta {
    padding-block: 64px;
  }

  /* FOR YOU — スマホは1列・小さめ */
  .foryou__list {
    grid-template-columns: 1fr;
    max-width: 100%;
    gap: 12px;
  }

  .foryou__list li {
    font-size: .85rem;
    padding: 14px 16px;
  }

  .foryou__list--last {
    grid-column: auto;
    max-width: 100%;
  }

  /* CONCEPT タイトル — 1行に収める */
  .concept .section__title {
    font-size: clamp(1.25rem, 5vw, 1.8rem);
    white-space: nowrap;
  }

  /* CONCEPT 説明文 */
  .concept__sub {
    font-size: 0.83rem;
    line-height: 1.85;
    letter-spacing: -0.02em;
  }

  /* Contact Q&A Layout for Mobile */
  .contact__wrapper {
    display: block;
  }

  .contact__sidebar {
    position: static;
    margin-top: 48px;
  }

  .contact__qna {
    background: var(--gray-100);
    padding: 24px 20px;
    border-radius: var(--radius-md);
  }

  .contact__qna-title {
    font-size: 1.2rem;
    margin-bottom: 16px;
  }

  .contact__email-sidebar {
    font-size: .85rem;
    margin-bottom: 12px;
  }

  .contact__qna-desc {
    font-size: .8rem;
    margin-bottom: 16px;
    margin-top: 8px;
  }

  .contact__faq {
    margin-top: 48px;
    max-width: 100%;
  }

  .contact__faq-title {
    font-size: 1.4rem;
    margin-bottom: 32px;
  }

  .about__title {
    font-size: 2.1rem;
  }
}
