/* ===========================================================
   BODY SPA SAMPLE — Demo by Nerio
   sora-massage.com スタイル踏襲のWordPressコーディング応募サンプル
   =========================================================== */

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

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden !important;
}

:root {
  /* Color */
  --color-bg: #f6f3ec;        /* オフホワイト（少し温かみ） */
  --color-bg-alt: #efe9dc;
  --color-text: #2a2a24;
  --color-text-soft: #5a5a4f;
  --color-olive: #3d4a2a;     /* 深いオリーブ */
  --color-olive-deep: #2d3820;
  --color-brown: #6b5841;     /* アースブラウン */
  --color-gold: #b08a3e;      /* ゴールドアクセント */
  --color-line: #d8d1bf;
  --color-sample-red: #c0392b;

  /* Font */
  --font-en: "Cormorant Garamond", "Times New Roman", serif;
  --font-jp: "Noto Serif JP", "Yu Mincho", "游明朝", serif;
  --font-ui: "Inter", system-ui, sans-serif;
}

body {
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "palt";
}

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

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

button {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.pc-only { display: inline; }
@media (max-width: 768px) {
  .pc-only { display: none; }
}

/* ====== Sample Banner（最上部固定） ====== */
.sample-banner {
  position: relative;
  background: linear-gradient(90deg, #c0392b 0%, #a8332a 100%);
  color: #fff;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 8px 16px;
  z-index: 200;
  line-height: 1.5;
}
.sample-banner p {
  margin: 0;
}
.sample-banner strong {
  font-weight: 600;
  letter-spacing: 0.08em;
}

@media (max-width: 768px) {
  .sample-banner {
    font-size: 11px;
    padding: 6px 12px;
  }
}

/* ====== Sample Ribbon（右上斜め） ====== */
.sample-ribbon {
  position: fixed;
  top: 38px;
  right: -70px;
  width: 260px;
  background: var(--color-sample-red);
  color: #fff;
  text-align: center;
  transform: rotate(45deg);
  z-index: 999;
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 600;
  padding: 6px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}
.sample-ribbon span {
  display: block;
}
@media (max-width: 768px) {
  .sample-ribbon {
    top: 30px;
    right: -80px;
    width: 240px;
    font-size: 10px;
    padding: 5px 0;
  }
}

/* ====== Header ====== */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(246, 243, 236, 0.92);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  z-index: 100;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-olive-deep);
}

.header__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.header__logo {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-en);
  font-weight: 500;
  letter-spacing: 0.18em;
}

.header__logo-en {
  font-size: 22px;
  color: var(--color-olive-deep);
}

.header__logo-sample {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.18em;
  background: var(--color-sample-red);
  color: #fff;
  padding: 3px 8px;
  border-radius: 2px;
  font-weight: 600;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.18em;
}

.header__nav-link {
  position: relative;
  padding: 6px 0;
  transition: color 0.25s ease;
  color: var(--color-olive-deep);
}
.header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width 0.3s ease;
}
.header__nav-link:hover {
  color: var(--color-gold);
}
.header__nav-link:hover::after {
  width: 100%;
}
.header__nav-link--cta {
  border: 1px solid var(--color-olive-deep);
  padding: 8px 18px;
  border-radius: 2px;
  letter-spacing: 0.16em;
}
.header__nav-link--cta:hover {
  background: var(--color-olive-deep);
  color: var(--color-bg);
}
.header__nav-link--cta::after { display: none; }

/* Burger */
.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  z-index: 101;
}
.header__burger span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-olive-deep);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.header__burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header__burger.is-open span:nth-child(2) { opacity: 0; }
.header__burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Overlay */
.header__overlay { display: none; }

@media (max-width: 768px) {
  .header__inner {
    height: 62px;
    padding: 0 18px;
  }
  .header__logo-en { font-size: 18px; }
  .header__logo-sample { font-size: 10px; padding: 2px 6px; }

  .header__nav {
    position: fixed;
    top: 0;
    right: 0;
    left: auto;
    width: 280px;
    max-width: 100vw;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    background-color: var(--color-bg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.08);
    z-index: 100;
    padding: 32px;
  }
  .header__nav.is-open {
    transform: translateX(0);
  }
  .header__nav-link { font-size: 16px; }

  .header__burger { display: flex; }

  .header__overlay {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 99;
  }
  .header__overlay.is-visible {
    opacity: 1;
    visibility: visible;
  }
}

/* ====== Hero ====== */
.hero {
  position: relative;
  width: 100%;
  height: calc(100vh - 78px - 32px);
  min-height: 560px;
  overflow: hidden;
  background: #1f1f1c;
}

.hero__svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.hero__slides {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease, transform 6s ease-out;
  transform: scale(1);
  will-change: opacity, filter, transform;
}
.hero__slide.is-active {
  opacity: 1;
  transform: scale(1.06);
}
.hero__slide.is-rippling {
  filter: url(#ripple-filter);
}

.hero__overlay-dark {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.45) 100%);
  pointer-events: none;
}

.hero__copy {
  position: absolute;
  left: 8%;
  bottom: 14%;
  z-index: 2;
  color: #fff;
  max-width: 640px;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}
.hero__small-en {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.4em;
  margin: 0 0 16px;
  font-weight: 400;
  color: #f0e8d2;
}
.hero__title {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(28px, 4.4vw, 52px);
  line-height: 1.6;
  margin: 0 0 24px;
  letter-spacing: 0.1em;
}
.hero__lead {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 300;
  line-height: 2;
  margin: 0 0 32px;
  letter-spacing: 0.08em;
  color: #f4ecd8;
}

@media (max-width: 768px) {
  .hero { height: calc(100vh - 62px - 28px); min-height: 480px; }
  .hero__copy {
    left: 6%;
    right: 6%;
    bottom: 12%;
    max-width: none;
  }
  .hero__small-en { font-size: 11px; letter-spacing: 0.35em; }
  .hero__title { font-size: 26px; line-height: 1.7; letter-spacing: 0.06em; }
  .hero__lead { font-size: 13px; line-height: 1.9; }
}

/* Scroll indicator */
.hero__indicator {
  position: absolute;
  right: 24px;
  bottom: 28px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: #f0e8d2;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
}
.hero__indicator-line {
  display: block;
  width: 1px;
  height: 56px;
  background: linear-gradient(180deg, rgba(240,232,210,0.8), rgba(240,232,210,0));
  animation: scrollLine 2.4s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); opacity: 1; }
  60% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.3em;
  padding: 14px 36px;
  border: 1px solid currentColor;
  background: transparent;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
  text-align: center;
  border-radius: 1px;
}
.btn--ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.btn--ghost:hover {
  background: #fff;
  color: var(--color-olive-deep);
  transform: translateY(-2px);
}
.btn--gold {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: #fff;
}
.btn--gold:hover {
  background: #94722f;
  border-color: #94722f;
  transform: translateY(-2px);
}

/* ====== Notice strip（FV直下） ====== */
.notice-strip {
  background: #fbeee6;
  border-top: 1px solid #e7c7b0;
  border-bottom: 1px solid #e7c7b0;
  color: #6e3a1c;
  font-family: var(--font-jp);
  font-size: 13px;
  line-height: 1.7;
  padding: 12px 24px;
  text-align: center;
}
.notice-strip p { margin: 0; }
.notice-strip strong { color: var(--color-sample-red); font-weight: 600; }

@media (max-width: 768px) {
  .notice-strip { font-size: 12px; padding: 10px 16px; line-height: 1.7; }
}

/* ====== Section common ====== */
.section {
  padding: 120px 0;
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
}

.section__head {
  text-align: center;
  margin-bottom: 56px;
}
.section__en {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.5em;
  color: var(--color-gold);
  margin: 0 0 14px;
  font-weight: 500;
}
.section__ja {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 34px);
  letter-spacing: 0.12em;
  margin: 0;
  color: var(--color-olive-deep);
}

/* Fade-in for IntersectionObserver */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ====== Concept ====== */
.concept {
  background: var(--color-bg);
}
.concept__body {
  text-align: center;
  font-size: 16px;
  line-height: 2.2;
  letter-spacing: 0.08em;
  color: var(--color-text-soft);
  max-width: 720px;
  margin: 0 auto;
}
.concept__body p { margin: 0 0 24px; }
.concept__small {
  font-size: 12px !important;
  color: #9a907c;
  margin-top: 32px !important;
}
@media (max-width: 768px) {
  .concept__body { font-size: 14px; line-height: 2; }
}

/* ====== Menu ====== */
.menu {
  background: var(--color-bg-alt);
}
.menu__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}
@media (max-width: 768px) {
  .menu__grid { grid-template-columns: 1fr; gap: 32px; }
}

.menu-card {
  background: #fff;
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  border: 1px solid var(--color-line);
}
.menu-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.08);
}
.menu-card__img {
  width: 100%;
  height: 240px;
  background-size: cover;
  background-position: center;
}
.menu-card__body {
  padding: 28px 28px 32px;
}
.menu-card__en {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--color-gold);
  margin: 0 0 8px;
}
.menu-card__title {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 20px;
  margin: 0 0 14px;
  letter-spacing: 0.08em;
  color: var(--color-olive-deep);
}
.menu-card__desc {
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-text-soft);
  margin: 0 0 18px;
}
.menu-card__price {
  font-family: var(--font-en);
  font-size: 26px;
  letter-spacing: 0.05em;
  color: var(--color-olive);
  margin: 0;
}
.menu-card__price span {
  font-size: 13px;
  color: var(--color-text-soft);
  margin-left: 6px;
  letter-spacing: 0.2em;
}

/* ====== Salon ====== */
.salon {
  background: var(--color-bg);
}
.salon__container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.salon__img-inner {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
}
.salon__body .section__en { text-align: left; }
.salon__body .section__ja { text-align: left; margin-bottom: 24px; }
.salon__desc {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-soft);
  margin: 0 0 32px;
}
.salon__info {
  margin: 0;
  border-top: 1px solid var(--color-line);
}
.salon__info > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-line);
}
.salon__info dt {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--color-gold);
  margin: 0;
}
.salon__info dd {
  margin: 0;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.7;
}
@media (max-width: 768px) {
  .salon__container { grid-template-columns: 1fr; gap: 32px; }
  .salon__info > div { grid-template-columns: 90px 1fr; }
}

/* ====== Review ====== */
.review {
  background: var(--color-olive-deep);
  color: #f0e8d2;
}
.review .section__ja { color: #f6f3ec; }
.review .section__en { color: #d8b66a; }

.review__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 1024px) {
  .review__grid { grid-template-columns: 1fr; gap: 24px; max-width: 640px; margin: 0 auto; }
}

.review-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(216,182,106,0.25);
  padding: 36px 28px;
  margin: 0;
  position: relative;
}
.review-card::before {
  content: "“";
  position: absolute;
  top: 8px;
  left: 16px;
  font-family: var(--font-en);
  font-size: 64px;
  line-height: 1;
  color: rgba(216,182,106,0.5);
}
.review-card__text {
  font-size: 14px;
  line-height: 2;
  margin: 0 0 18px;
  letter-spacing: 0.06em;
  color: #f4ecd8;
}
.review-card__meta {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: #d8b66a;
}

/* ====== FAQ ====== */
.faq { background: var(--color-bg-alt); }
.faq__container { max-width: 820px; }

.faq__list {
  border-top: 1px solid var(--color-line);
}
.faq-item {
  border-bottom: 1px solid var(--color-line);
  background: transparent;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 56px 22px 0;
  position: relative;
  font-family: var(--font-jp);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-olive-deep);
  display: block;
  line-height: 1.7;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary > span:first-child {
  font-family: var(--font-en);
  color: var(--color-gold);
  margin-right: 12px;
  font-weight: 500;
}

.faq-item__icon {
  position: absolute;
  right: 8px;
  top: 50%;
  width: 16px;
  height: 16px;
  transform: translateY(-50%);
}
.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  background-color: var(--color-olive-deep);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.faq-item__icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}
.faq-item__icon::after {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}
.faq-item[open] .faq-item__icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-item__body {
  padding: 0 0 22px 32px;
  color: var(--color-text-soft);
  font-size: 14px;
  line-height: 1.95;
}
.faq-item__body p { margin: 0; }

/* ====== CTA ====== */
.cta {
  background: var(--color-bg);
  text-align: center;
}
.cta__inner {
  max-width: 720px;
  margin: 0 auto;
}
.cta__desc {
  font-size: 14px;
  color: var(--color-text-soft);
  line-height: 1.95;
  margin: 24px 0 36px;
}

/* ====== Footer ====== */
.footer {
  background: var(--color-olive-deep);
  color: #cfc7af;
  padding: 56px 0 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(216,182,106,0.15);
}
.footer__brand p { margin: 0; }
.footer__logo {
  font-family: var(--font-en);
  font-size: 22px;
  letter-spacing: 0.18em;
  color: #f6f3ec;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}
.footer__logo-sample {
  font-family: var(--font-ui);
  font-size: 11px;
  background: var(--color-sample-red);
  padding: 3px 8px;
  letter-spacing: 0.15em;
  color: #fff;
  border-radius: 2px;
  font-weight: 600;
}
.footer__addr {
  margin-top: 6px !important;
  font-size: 12px;
  color: #b8b196;
  letter-spacing: 0.04em;
}
.footer__nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.25em;
}
.footer__nav a:hover { color: var(--color-gold); }

.footer__copy {
  grid-column: 1 / -1;
  text-align: center;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: #8a826b;
  margin: 0;
}

.footer__notice {
  background: #1f2814;
  padding: 20px 24px;
  text-align: center;
  font-size: 12px;
  line-height: 1.8;
  color: #b8b196;
}
.footer__notice p { margin: 0 auto; max-width: 900px; }
.footer__notice strong { color: #d8b66a; }

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer__nav { justify-content: center; }
  .footer__notice { font-size: 11px; padding: 16px; }
}