/* ==========================================================================
   Enchanté Yokohama — Car Wedding LP
   Design: Black / White / Gold — Luxury automotive editorial style
   ========================================================================== */

/* ----- Reset & Base ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0a0a0a;
  --black-soft: #141414;
  --white: #ffffff;
  --ivory: #f7f6f3;
  --gold: #c9a15a;
  --gold-light: #e4c98a;
  --gold-dark: #9c7c3f;
  --gray: #6b6b6b;
  --gray-light: #b8b8b8;
  --border: #2a2a2a;
  --border-light: #e5e2da;

  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-en: 'Cormorant Garamond', serif;

  --container-w: 1200px;
  --transition: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--white);
  color: var(--black);
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.5; }

.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 860px; }

.only-sp { display: none; }
@media (max-width: 767px) { .only-sp { display: inline; } }

/* ----- Reveal animation ----- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 1s ease, transform 1s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ----- Buttons ----- */
.btn {
  display: inline-block;
  padding: 18px 48px;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.1em;
  border: 1px solid var(--gold);
  border-radius: 2px;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn--gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 50%, var(--gold-dark));
  color: var(--black);
  box-shadow: 0 8px 24px rgba(201, 161, 90, 0.25);
}
.btn--gold:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(201, 161, 90, 0.4); }
.btn--lg { padding: 20px 56px; font-size: 16px; }

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  background: rgba(10, 10, 10, 0.0);
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: 22px 0;
}
.header.is-scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
  padding: 12px 0;
}
.header__inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo { display: flex; align-items: center; color: var(--white); line-height: 1.2; }
.header__logo-img { height: 32px; width: auto; display: block; }

.header__nav { display: flex; align-items: center; gap: 40px; }
.header__nav-list { display: flex; gap: 28px; }
.header__nav-list a { color: var(--white); font-size: 14px; letter-spacing: 0.04em; position: relative; }
.header__nav-list a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 1px; background: var(--gold);
  transition: width var(--transition);
}
.header__nav-list a:hover::after { width: 100%; }
.header__cta { padding: 10px 26px; font-size: 13px; }

.header__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px; height: 20px;
  z-index: 600;
}
.header__toggle span { display: block; width: 100%; height: 1px; background: var(--white); transition: var(--transition); }
.header__toggle.is-active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.header__toggle.is-active span:nth-child(2) { opacity: 0; }
.header__toggle.is-active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

@media (max-width: 900px) {
  .header__toggle { display: flex; }
  .header__nav {
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 84vw);
    height: 100vh;
    background: var(--black);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 40px;
    padding: 40px;
    transform: translateX(100%);
    transition: transform var(--transition);
  }
  .header__nav.is-open { transform: translateX(0); }
  .header__nav-list { flex-direction: column; gap: 24px; }
  .header__nav-list a { font-size: 17px; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--black);
}
.hero__media { position: absolute; inset: 0; }
.hero__img {
  width: 100%; height: 100%; object-fit: cover;
  animation: heroZoom 16s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.08); } }
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.35) 45%, rgba(0,0,0,0.75) 100%);
}
.hero__content { position: relative; text-align: center; color: var(--white); padding: 0 24px; max-width: 900px; }
.hero__eyebrow {
  font-family: var(--font-en); letter-spacing: 0.32em; font-size: 13px;
  color: var(--gold-light); margin-bottom: 24px;
}
.hero__title {
  font-size: clamp(30px, 5.2vw, 58px);
  color: var(--white);
  letter-spacing: 0.03em;
  margin-bottom: 22px;
  text-shadow: 0 2px 24px rgba(0,0,0,0.4);
}
.hero__subtitle { font-size: clamp(14px, 1.6vw, 18px); color: var(--gray-light); margin-bottom: 40px; letter-spacing: 0.04em; }
.hero__scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  color: var(--white); font-size: 11px; letter-spacing: 0.2em; display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.hero__scroll span {
  width: 1px; height: 40px; background: linear-gradient(var(--gold), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine { 0% { opacity: 0.2; } 50% { opacity: 1; } 100% { opacity: 0.2; } }

/* ==========================================================================
   Concept band
   ========================================================================== */
.concept { background: var(--black); padding: 100px 0; text-align: center; }
.concept__text {
  color: var(--white);
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.6vw, 30px);
  line-height: 2;
  letter-spacing: 0.05em;
}
.concept__accent { color: var(--gold-light); }

/* ==========================================================================
   Section common
   ========================================================================== */
section { padding: 110px 0; }
.section__eyebrow {
  font-family: var(--font-en); text-align: center; letter-spacing: 0.3em; font-size: 13px;
  color: var(--gold-dark); margin-bottom: 14px;
}
.section__title {
  text-align: center; font-size: clamp(24px, 3.6vw, 38px); margin-bottom: 20px; letter-spacing: 0.03em;
}
.section__lead { text-align: center; color: var(--gray); max-width: 640px; margin: 0 auto 60px; }

/* ==========================================================================
   Empathy
   ========================================================================== */
.empathy { background: var(--ivory); }
.empathy__list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 60px; }
.empathy__item {
  display: flex; align-items: center; gap: 24px;
  background: var(--white); padding: 32px; border: 1px solid var(--border-light);
  transition: transform var(--transition), box-shadow var(--transition);
}
.empathy__item:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(0,0,0,0.06); }
.empathy__icon { font-family: var(--font-en); font-size: 30px; color: var(--gold); flex-shrink: 0; }
.empathy__item p { font-size: 16px; }
.empathy__item:last-child { grid-column: 1 / -1; max-width: 60%; margin: 0 auto; }

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-banner {
  position: relative;
  background-size: cover; background-position: center;
  background-color: var(--black-soft);
  padding: 140px 24px;
  text-align: center;
  background-attachment: fixed;
}
.cta-banner__overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.cta-banner__content { position: relative; color: var(--white); }
.cta-banner__eyebrow { font-family: var(--font-en); letter-spacing: 0.3em; color: var(--gold-light); margin-bottom: 16px; font-size: 13px; }
.cta-banner__content h2 { font-size: clamp(22px, 3.4vw, 34px); color: var(--white); margin-bottom: 32px; }
.cta-banner__lead { color: var(--gray-light); margin-bottom: 32px; }
.cta-banner--final { padding: 160px 24px; }

@media (max-width: 767px) {
  .cta-banner { background-attachment: scroll; padding: 100px 24px; }
}

/* ==========================================================================
   Solution
   ========================================================================== */
.solution { background: var(--black); color: var(--white); }
.solution .section__title { color: var(--white); }
.solution__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); margin-top: 60px; }
.solution__item {
  background: var(--black-soft); padding: 32px 28px; display: flex; align-items: flex-start; gap: 16px;
  font-size: 15px; transition: background var(--transition);
}
.solution__item:hover { background: #1c1c1c; }
.solution__check { color: var(--gold); font-size: 18px; flex-shrink: 0; }

/* ==========================================================================
   Gallery / Carousel
   ========================================================================== */
.gallery { background: var(--white); }
.gallery__carousel { position: relative; overflow: hidden; padding: 0 24px; }
.gallery__track { display: flex; gap: 16px; transition: transform 0.6s cubic-bezier(0.25,0.1,0.25,1); will-change: transform; }
.gallery__item {
  flex: 0 0 300px;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
}
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.gallery__item:hover img { transform: scale(1.08); }
.gallery__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.9); color: var(--black);
  font-size: 24px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  transition: background var(--transition), transform var(--transition);
  z-index: 10;
}
.gallery__nav:hover { background: var(--gold); transform: translateY(-50%) scale(1.08); }
.gallery__nav--prev { left: 36px; }
.gallery__nav--next { right: 36px; }
@media (max-width: 767px) {
  .gallery__item { flex-basis: 220px; }
  .gallery__nav { width: 38px; height: 38px; font-size: 18px; }
  .gallery__nav--prev { left: 8px; }
  .gallery__nav--next { right: 8px; }
}

/* ==========================================================================
   Location
   ========================================================================== */
.location { background: var(--ivory); }
.location__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.location__card { background: var(--white); overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.location__img { aspect-ratio: 4/3; overflow: hidden; display: block; position: relative; cursor: pointer; }
.location__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.location__card:hover .location__img img { transform: scale(1.1); }
.location__img::after {
  content: "写真をもっと見る";
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-family: var(--font-serif); font-size: 14px; letter-spacing: 0.05em;
  background: rgba(10,10,10,0.45);
  opacity: 0; transition: opacity var(--transition);
}
.location__card:hover .location__img::after { opacity: 1; }
.location__card h3 { padding: 20px 24px 8px; font-size: 19px; }
.location__tags { padding: 0 24px 22px; display: flex; gap: 8px; }
.location__tags span { font-size: 11px; letter-spacing: 0.05em; color: var(--gold-dark); border: 1px solid var(--gold); padding: 4px 10px; border-radius: 20px; }

/* ==========================================================================
   Plan / Pricing
   ========================================================================== */
.plan { background: var(--white); }
.plan__category { margin-bottom: 72px; }
.plan__category:last-of-type { margin-bottom: 0; }
.plan__category-title {
  text-align: center; font-size: 20px; margin-bottom: 36px; letter-spacing: 0.05em;
  position: relative; padding-bottom: 16px;
}
.plan__category-title::after {
  content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 48px; height: 2px; background: var(--gold);
}
.plan__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.plan__grid--2col { grid-template-columns: repeat(2, 1fr); max-width: 700px; margin: 0 auto; }
.plan__card {
  position: relative;
  border: 1px solid var(--border-light);
  padding: 44px 24px; text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.plan__card:hover { transform: translateY(-6px); box-shadow: 0 16px 36px rgba(0,0,0,0.08); }
.plan__card--premium {
  background: linear-gradient(180deg, #16130a 0%, var(--black) 100%);
  color: var(--white);
  border-color: var(--gold);
  transform: scale(1.06);
  box-shadow: 0 24px 48px rgba(201,161,90,0.25);
}
.plan__card--premium:hover { transform: scale(1.06) translateY(-6px); }
.plan__badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  color: var(--black); font-size: 12px; letter-spacing: 0.1em;
  padding: 6px 20px; border-radius: 20px; font-weight: 700;
}
.plan__name { font-family: var(--font-en); font-size: 22px; letter-spacing: 0.06em; margin-bottom: 18px; color: var(--gold-dark); }
.plan__card--premium .plan__name { color: var(--gold-light); }
.plan__price { font-family: var(--font-serif); font-size: 30px; margin-bottom: 8px; }
.plan__price span { font-size: 15px; margin-left: 2px; }
.plan__price-tax { font-size: 13px; color: var(--gray); }
.plan__card--premium .plan__price-tax { color: var(--gray-light); }
.plan__contents {
  text-align: left; margin-top: 28px; padding-top: 24px;
  border-top: 1px solid var(--border-light);
}
.plan__card--premium .plan__contents { border-top-color: rgba(255,255,255,0.15); }
.plan__contents li {
  position: relative; padding-left: 18px; font-size: 13.5px; line-height: 1.7;
  color: #444; margin-bottom: 10px;
}
.plan__contents li:last-child { margin-bottom: 0; }
.plan__contents li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
}
.plan__card--premium .plan__contents li { color: var(--gray-light); }
.plan__category-note { text-align: center; font-size: 12px; color: var(--gray); margin-top: 28px; }
.plan__note { text-align: center; font-size: 13px; color: var(--gray); margin-top: 40px; }
.plan__cta { text-align: center; margin-top: 40px; }

@media (max-width: 900px) {
  .plan__grid, .plan__grid--2col { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .plan__card--premium { transform: none; order: -1; }
  .plan__card--premium:hover { transform: translateY(-6px); }
}

/* ==========================================================================
   Shooting styles grid
   ========================================================================== */
.shots { background: var(--black); }
.shots .section__title { color: var(--white); }
.shots__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; justify-content: center; }
.shots__grid .shots__item:last-child:nth-child(3n+1) { grid-column: 2; }
.shots__item { position: relative; aspect-ratio: 1/1; overflow: hidden; }
.shots__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease, filter var(--transition); filter: brightness(0.75); }
.shots__item:hover img { transform: scale(1.1); filter: brightness(0.95); }
.shots__item p {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 20px; color: var(--white);
  font-family: var(--font-serif); letter-spacing: 0.05em;
  background: linear-gradient(0deg, rgba(0,0,0,0.7), transparent);
}
@media (max-width: 767px) { .shots__grid { grid-template-columns: repeat(2, 1fr); } }

/* ==========================================================================
   Reason
   ========================================================================== */
.reason { background: var(--ivory); }
.reason__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.reason__item { text-align: center; padding: 20px; }
.reason__num { font-family: var(--font-en); font-size: 40px; color: var(--gold); display: block; margin-bottom: 12px; }
.reason__item h3 { font-size: 19px; margin-bottom: 14px; }
.reason__item p { color: var(--gray); font-size: 14px; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { background: var(--ivory); }
.faq__list { border-top: 1px solid var(--border-light); }
.faq__item { border-bottom: 1px solid var(--border-light); }
.faq__question {
  width: 100%; text-align: left; padding: 26px 40px 26px 0; position: relative;
  font-size: 16px; font-family: var(--font-serif); letter-spacing: 0.02em;
}
.faq__question::before, .faq__question::after {
  content: ""; position: absolute; right: 8px; top: 50%; background: var(--gold);
  transition: transform var(--transition);
}
.faq__question::before { width: 16px; height: 1px; transform: translateY(-50%); }
.faq__question::after { width: 1px; height: 16px; transform: translateY(-50%); }
.faq__question[aria-expanded="true"]::after { transform: translateY(-50%) rotate(90deg); opacity: 0; }
.faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding var(--transition); }
.faq__answer p { padding-bottom: 26px; color: var(--gray); font-size: 14px; max-width: 720px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer { background: var(--black); color: var(--gray-light); padding: 90px 0 30px; }
.footer__brand { text-align: center; margin-bottom: 60px; }
.footer__logo-img { height: 44px; width: auto; margin: 0 auto; }
.footer__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; margin-bottom: 60px; }
.footer__block h3 { font-size: 14px; letter-spacing: 0.1em; color: var(--white); margin-bottom: 18px; font-family: var(--font-serif); }
.footer__block p { font-size: 13px; margin-bottom: 10px; line-height: 1.8; }
.footer__block a:hover { color: var(--gold-light); }
.footer__map { border: 1px solid var(--border); filter: grayscale(0.4) invert(0.9) contrast(0.9); }
.footer__sns, .footer__privacy { display: block; font-size: 13px; margin-bottom: 12px; }
.footer__cta { display: block; text-align: center; max-width: 320px; margin: 0 auto 40px; }
.footer__copyright { text-align: center; font-size: 11px; color: var(--gray); border-top: 1px solid var(--border); padding-top: 24px; }

@media (max-width: 767px) {
  .footer__grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
}

/* ==========================================================================
   Lightbox
   ========================================================================== */
.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,0.94); z-index: 1000;
  display: none; align-items: center; justify-content: center;
}
.lightbox.is-open { display: flex; }
.lightbox__img { max-width: 88vw; max-height: 86vh; object-fit: contain; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.lightbox__close { position: absolute; top: 28px; right: 32px; color: var(--white); font-size: 34px; line-height: 1; }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); color: var(--white); font-size: 44px; padding: 8px 18px; transition: color var(--transition); }
.lightbox__nav:hover { color: var(--gold); }
.lightbox__nav--prev { left: 12px; }
.lightbox__nav--next { right: 12px; }

/* ==========================================================================
   Fixed floating CTA (mobile)
   ========================================================================== */
.fixed-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 400;
  display: none;
  text-align: center;
  padding: 16px;
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 50%, var(--gold-dark));
  color: var(--black);
  font-family: var(--font-serif);
  letter-spacing: 0.08em;
  box-shadow: 0 -6px 20px rgba(0,0,0,0.2);
}
@media (max-width: 767px) {
  .fixed-cta { display: block; }
  body { padding-bottom: 0; }
}

/* Image error placeholder */
img.is-broken {
  background: linear-gradient(135deg, #1a1a1a, #2c2c2c);
  position: relative;
}

/* ==========================================================================
   Responsive — general breakpoints
   ========================================================================== */
@media (max-width: 900px) {
  .empathy__list { grid-template-columns: 1fr; }
  .empathy__item:last-child { max-width: 100%; }
  .solution__grid { grid-template-columns: 1fr; }
  .location__grid { grid-template-columns: repeat(2, 1fr); }
  .reason__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  section { padding: 72px 0; }
  .location__grid { grid-template-columns: 1fr; }
  .reason__grid { grid-template-columns: 1fr; }
  .concept { padding: 64px 0; }
  .btn--lg { padding: 16px 36px; font-size: 14px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}