/* ===========================
   Noir SHOWROOM LP
   Parent site: noir-karsee.com
   =========================== */

:root {
  --color-black: #000000;
  --color-dark: #1a1a1a;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-light-gray: #e8e8e8;
  --color-bg: #ffffff;
  --color-bg-cream: #f8f6f3;
  --color-bg-dark: #1a1a1a;
  --color-btn: #2c2c2c;
  --color-btn-hover: #000000;
  --color-border: #d5d5d5;
  --color-required: #c0392b;

  --font-en: "Cormorant Garamond", "Times New Roman", serif;
  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-jp);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.9;
  letter-spacing: 0.04em;
  font-weight: 300;
  overflow-x: hidden;
}

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

a {
  color: var(--color-dark);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  opacity: 0.7;
}

ul {
  list-style: none;
}

.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-wide {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
}

.pc-only { display: inline; }
.sp-only { display: none; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  font-family: var(--font-jp);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  padding: 0.9em 2.8em;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: all 0.4s var(--ease-out-quart);
  text-decoration: none;
  position: relative;
}

.btn--lg {
  padding: 1em 3.5em;
  font-size: 0.9rem;
}

.btn--primary {
  background-color: var(--color-btn);
  color: #fff;
}

.btn--primary:hover {
  background-color: var(--color-btn-hover);
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-dark);
  border: 1px solid var(--color-dark);
}

.btn--secondary:hover {
  background-color: var(--color-dark);
  color: #fff;
  opacity: 1;
  transform: translateY(-1px);
}

.btn--submit {
  background-color: var(--color-btn);
  color: #fff;
  font-size: 0.85rem;
  padding: 1em 4em;
}

.btn--submit:hover {
  background-color: var(--color-btn-hover);
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ===== FV (First View) ===== */
.fv {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  max-height: 1000px;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

.fv__image-wrap {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.fv__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.08);
  animation: fvImageIn 2s var(--ease-out-expo) 0.3s forwards;
}

@keyframes fvImageIn {
  to {
    opacity: 0.55;
    transform: scale(1);
  }
}

.fv__overlay {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: #fff;
  padding: 2rem;
}

.fv__logo {
  width: clamp(120px, 18vw, 200px);
  height: auto;
  filter: brightness(0) invert(1);
  opacity: 0;
  transform: translateY(15px);
  animation: fvTextIn 1s ease 0.8s forwards;
  margin-bottom: 1.2rem;
}

.fv__title {
  font-family: var(--font-en);
  font-size: clamp(3.5rem, 10vw, 6.5rem);
  font-weight: 300;
  letter-spacing: 0.35em;
  line-height: 1.1;
  opacity: 0;
  transform: translateY(20px);
  animation: fvTextIn 1.2s ease 1s forwards;
}

.fv__line {
  width: 40px;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.6);
  margin: 2rem 0;
  opacity: 0;
  transform: scaleX(0);
  animation: fvLineIn 1s ease 1.4s forwards;
}

@keyframes fvLineIn {
  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

.fv__lead {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 2.2;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(15px);
  animation: fvTextIn 1s ease 1.6s forwards;
}

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

@keyframes fvScrollIn {
  to {
    opacity: 1;
  }
}

.fv__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  opacity: 0;
  animation: fvScrollIn 1s ease 2.2s forwards;
}

.fv__scroll-hint span {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
}

.fv__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== ABOUT ===== */
.about {
  padding: 6rem 2rem;
  background-color: #888888;
  color: #fff;
}

.about__inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 3rem;
}

.about__image {
  flex: 0 0 45%;
  overflow: hidden;
}

.about__photo {
  width: 100%;
  height: auto;
  display: block;
  transform: scale(1.08);
  transition: transform 0.8s ease-out;
}

.about__image.is-visible .about__photo {
  transform: scale(1);
}

.about__content {
  flex: 1;
}

.about__heading {
  display: flex;
  align-items: baseline;
  gap: 0.15em;
  margin-bottom: 1.5rem;
}

.about__logo {
  height: 2rem;
  width: auto;
  display: inline-block;
  vertical-align: baseline;
  filter: brightness(0) invert(1);
}

.about__heading-text {
  font-family: var(--font-jp);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: #fff;
}

.about__headline {
  font-family: var(--font-jp);
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: #fff;
  margin-bottom: 1.5rem;
}

.about__text {
  font-size: 0.95rem;
  line-height: 2.2;
  color: #fff;
  margin-bottom: 1rem;
}

.about__text:last-child {
  margin-bottom: 0;
}

/* ===== INTRO ===== */
.intro {
  padding: 6rem 2rem;
  text-align: center;
  background-color: var(--color-bg);
}

.intro__inner {
  max-width: 640px;
  margin: 0 auto;
}

.intro__text {
  font-size: 1.05rem;
  line-height: 2.4;
  color: var(--color-text);
  margin-bottom: 2.5rem;
}

/* ===== Section Heading ===== */
.section-heading {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-heading__en {
  display: block;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}

.section-heading__ja {
  display: block;
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-dark);
}

/* ===== RESERVATION ===== */
.reservation {
  padding: 5rem 0 6rem;
  background-color: var(--color-bg-cream);
}

.reservation__notice {
  background-color: #fff;
  border: 1px solid var(--color-light-gray);
  padding: 3rem 2.5rem;
  text-align: center;
  margin-bottom: 4rem;
  border-radius: 4px;
}

.reservation__notice-main {
  font-size: 1rem;
  line-height: 2.3;
}

.reservation__notice-sub {
  margin-top: 1.2rem;
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 2;
}

.reservation__block {
  margin-bottom: 4rem;
}

/* Location */
.location-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.location {
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.location:first-child {
  padding-top: 0;
}

.location:last-child {
  border-bottom: none;
}

.location__badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: #fff;
  background-color: var(--color-dark);
  padding: 0.25em 1em;
  border-radius: 2px;
  margin-bottom: 0.6rem;
}

.location__name {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--color-dark);
}

.location__address {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 0.6rem;
}

.location__map summary {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-dark);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  user-select: none;
  padding: 0.3em 0;
  border-bottom: 1px solid var(--color-dark);
}

.location__map summary::-webkit-details-marker,
.location__map summary::marker {
  display: none;
  content: "";
}

.location__map-icon {
  font-size: 0.6rem;
  transition: transform 0.3s;
  display: inline-block;
}

.location__map[open] .location__map-icon {
  transform: rotate(180deg);
}

.location__map-embed {
  margin-top: 1rem;
  border-radius: 4px;
  overflow: hidden;
}

.location__map-embed iframe {
  display: block;
}

/* Hours */
.hours {
  text-align: center;
}

.hours__main {
  font-family: var(--font-jp);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
}

.hours__notes {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 2rem;
}

.hours__notes li {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.hours__notes li::before {
  content: "・";
}

.hours__emergency {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-light-gray);
}

.hours__emergency-label {
  font-size: 0.8rem;
  color: var(--color-required);
  margin-bottom: 0.6rem;
}

.hours__phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-dark);
  border: 1px solid var(--color-dark);
  padding: 0.5em 1.5em;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.hours__phone:hover {
  background-color: var(--color-dark);
  color: #fff;
  opacity: 1;
}

.hours__phone svg {
  flex-shrink: 0;
}

/* CTA */
.reservation__cta {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  padding-top: 1rem;
}

/* ===== VOICES (お客様の声) ===== */
.voices {
  padding: 7rem 0;
  background-color: var(--color-bg);
}

.voices__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.voices__header-en {
  display: block;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.voices__header-ja {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.voices__header-lead {
  font-size: 1rem;
  color: var(--color-text-light);
}

.voices__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.voice-card {
  background-color: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.4s ease, transform 0.4s var(--ease-out-quart);
  position: relative;
  cursor: pointer;
}

.voice-card:hover {
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.voice-card__image {
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background-color: var(--color-light-gray);
}

.voice-card__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-quart);
}

.voice-card:hover .voice-card__photo {
  transform: scale(1.04);
}

.voice-card__body {
  padding: 1.4rem 1.5rem 1.2rem;
}

.voice-card__name {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 0.8rem;
  line-height: 1.5;
}

.voice-card__text {
  font-size: 0.92rem;
  line-height: 1.95;
  color: var(--color-text-light);
}

.voice-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  font-size: 0.78rem;
  color: var(--color-dark);
  margin-top: 1rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-dark);
  padding-bottom: 2px;
}

/* カード全体をクリック範囲に */
.voice-card__link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.voice-card__link:hover {
  opacity: 1;
  gap: 0.6em;
}

.voice-card__arrow {
  transition: transform 0.3s ease;
  font-size: 0.9em;
}

.voice-card:hover .voice-card__arrow {
  transform: translateX(3px);
}

/* ===== CONTACT ===== */
.contact {
  padding: 7rem 2rem;
  background-color: var(--color-bg-cream);
}

.contact__inner {
  max-width: 680px;
  margin: 0 auto;
}

.contact__header {
  text-align: center;
  margin-bottom: 3rem;
}

.contact__title {
  font-family: var(--font-en);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.35em;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
}

.contact__intro {
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text-muted);
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  background-color: #fff;
  padding: 3rem;
  border-radius: 6px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group--half {
  flex: 1;
}

.form-group--center {
  align-items: center;
  text-align: center;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-label {
  font-size: 0.95rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
  color: var(--color-dark);
}

.form-note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.required {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 500;
  color: #fff;
  background-color: var(--color-required);
  padding: 0.15em 0.55em;
  border-radius: 2px;
  margin-left: 0.5em;
  vertical-align: middle;
  letter-spacing: 0;
}

.form-input,
.form-select,
.form-textarea {
  font-family: var(--font-jp);
  font-size: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: #fafafa;
  color: var(--color-text);
  transition: border-color 0.3s ease, background-color 0.3s ease;
  outline: none;
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-dark);
  background-color: #fff;
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23333' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  line-height: 1.7;
}

.form-privacy {
  font-size: 0.82rem;
  margin-bottom: 0.8rem;
  color: var(--color-text-light);
}

.form-privacy__link {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-checkbox {
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  cursor: pointer;
  margin-bottom: 1.2rem;
}

.form-checkbox input[type="checkbox"] {
  width: 1.15em;
  height: 1.15em;
  accent-color: var(--color-dark);
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-bg-dark);
  padding: 2rem 2rem;
  text-align: center;
}

.footer__link {
  display: inline-block;
  font-family: var(--font-jp);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: 1rem;
  transition: color 0.3s;
}

.footer__link:hover {
  color: rgba(255, 255, 255, 1);
}

.footer__copy {
  font-family: var(--font-jp);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Floating CTA ===== */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  padding: 1rem 1.5rem 1.2rem;
  text-align: center;
  transform: translateY(100%);
  transition: transform 0.5s var(--ease-out-quart);
  display: none;
}

.floating-cta.is-visible {
  transform: translateY(0);
}

.btn--floating {
  width: 100%;
  max-width: 320px;
  padding: 1em 2em;
  font-size: 0.9rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ===== Section Divider (Horizontal Line) ===== */
.section-divider {
  padding: 0 2rem;
  overflow: hidden;
}

.section-divider__line {
  height: 1px;
  background-color: var(--color-dark);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 1.4s var(--ease-out-expo);
}

.section-divider__line.is-visible {
  transform: scaleX(1);
}

/* ===== Parallax ===== */
.fv__image-wrap {
  will-change: transform;
}

.voice-card__image[data-parallax-img] {
  overflow: hidden;
}

.voice-card__image[data-parallax-img] .voice-card__photo {
  will-change: transform;
  transform: scale(1.12);
}

/* ===== Animations ===== */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease-out-expo), transform 1s var(--ease-out-expo);
}

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

/* Stagger animation for grid items */
.voices__grid .fade-up:nth-child(2) { transition-delay: 0.12s; }
.voices__grid .fade-up:nth-child(3) { transition-delay: 0.24s; }
.voices__grid .fade-up:nth-child(4) { transition-delay: 0.36s; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .pc-only { display: none; }
  .sp-only { display: inline; }

  .fv {
    min-height: 500px;
    max-height: 750px;
  }

  .fv__title {
    letter-spacing: 0.25em;
  }

  .fv__lead {
    font-size: 0.82rem;
    line-height: 2;
  }

  .about {
    padding: 4rem 1.5rem;
  }

  .about__inner {
    flex-direction: column;
    gap: 2rem;
  }

  .about__image {
    flex: none;
    width: 100%;
  }

  .about__headline {
    font-size: 1.15rem;
  }

  .about__text {
    font-size: 0.9rem;
  }

  .intro {
    padding: 4rem 1.5rem;
  }

  .intro__text {
    font-size: 0.88rem;
    line-height: 2.2;
  }

  .intro__text br {
    display: none;
  }

  .reservation {
    padding: 4rem 0;
  }

  .container,
  .container-wide {
    padding: 0 1.5rem;
  }

  .reservation__notice {
    padding: 2rem 1.5rem;
    margin-bottom: 3rem;
  }

  .reservation__notice-main br {
    display: none;
  }

  .reservation__notice-sub br {
    display: none;
  }

  .voices {
    padding: 5rem 0;
  }

  .voices__grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  .voices__grid .fade-up:nth-child(2) { transition-delay: 0s; }
  .voices__grid .fade-up:nth-child(3) { transition-delay: 0s; }
  .voices__grid .fade-up:nth-child(4) { transition-delay: 0s; }

  .form-row {
    flex-direction: column;
    gap: 1.8rem;
  }

  .contact {
    padding: 5rem 1.5rem;
  }

  .contact__form {
    padding: 2rem 1.5rem;
  }

  .contact__intro br {
    display: none;
  }

  .reservation__cta {
    flex-direction: column;
    align-items: center;
  }

  .reservation__cta .btn {
    width: 100%;
    max-width: 300px;
  }

  /* Show floating CTA on mobile */
  .floating-cta {
    display: block;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 16px;
  }

  .fv__logo {
    width: 110px;
  }

  .hours__main {
    font-size: 1.35rem;
  }
}