@charset "UTF-8";
/* =========================================================
   RESET
========================================================= */
* {
  margin: 0;
  padding: 0;
  border: none;
  box-sizing: border-box !important;
  list-style-type: none;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Serif JP", serif;
  color: var(--c-text);
  background: var(--c-bg-outer);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

/* background-attachment:fixed on body is unreliable across browsers
   (notably iOS Safari), so use a dedicated fixed backdrop layer instead. */
.bg_backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--c-bg-outer) url("../img/rose.jpg") center / cover no-repeat;
}

/* =========================================================
   INTRO SPLASH
   Full-screen rose background with the catch copy fading in,
   then the whole overlay fades out to reveal the site.
========================================================= */
body.is_intro_lock {
  overflow: hidden;
  height: 100%;
}

.intro {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: var(--c-bg-outer) url("../img/rose.jpg") center / cover no-repeat;
  animation: intro_fade_out 1.1s ease forwards;
  animation-delay: 3.4s;
}

/* EN copy is longer, so it needs more time to fully reveal
   before the overlay fades out (double the JA delay). */
.intro.intro--en {
  animation-delay: 6.8s;
}

.intro_catch {
  color: #fff;
  text-align: center;
  font-family: "Noto Serif JP", serif;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.9;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
}

.sp_break {
  display: none;
}

.sp_only {
  display: none;
}

/* Each character is wrapped in a .ch span by scripts.js and
   staggered via an inline animation-delay for a "flowing in"
   reveal, rather than a single fade for the whole line. */
.intro_catch .ch {
  display: inline-block;
  opacity: 0;
  transform: translateY(14px);
  animation: intro_char_in 0.6s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}

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

@keyframes intro_fade_out {
  from {
    opacity: 1;
    visibility: visible;
  }
  to {
    opacity: 0;
    visibility: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  .intro {
    display: none;
  }
}

/* =========================================================
   SCROLL REVEAL
   Section titles & images fade/slide in the first time they
   enter the viewport (triggered via IntersectionObserver in
   scripts.js, which toggles the .is_visible class).
========================================================= */
.js_reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s ease, transform 0.9s ease;
  transition-delay: 0.5s;
}

.js_reveal.is_visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js_reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

h1, h2, h3, h4, h5, h6 {
  font-size: 100%;
  font-weight: normal;
}

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

button {
  background: none;
  font-family: inherit;
  color: inherit;
  cursor: pointer;
}

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

.text-center { text-align: center !important; }
.serif_en { font-family: "Cormorant Garamond", serif; }

/* =========================================================
   VARIABLES
========================================================= */
:root {
  --content-w: 480px;
  --c-bg-outer: #2b0f10;
  --c-bg: #ffffff;
  --c-text: #3a281f;
  --c-text-body: #434343;
  --c-black: #1a1512;
  --c-gold: #c8a15a;
  --c-line: #e2d6c6;
  --font-sans: "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
}

/* ---- Body copy: paragraph text uses the sans-serif font & color,
   headings/logo keep the serif family set on <body>/.serif_en. ---- */
p {
  font-family: var(--font-sans);
  color: var(--c-text-body);
}

/* =========================================================
   IMAGE PLACEHOLDER (temporary, until real assets are supplied)
========================================================= */
.ph {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: repeating-linear-gradient(45deg, #e7dccb, #e7dccb 10px, #f1e9dc 10px, #f1e9dc 20px);
  border: 1px solid var(--c-line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ph::after {
  content: attr(data-ph);
  font-family: sans-serif;
  font-size: 0.75rem;
  color: #8a7a63;
  background: rgba(255, 255, 255, 0.7);
  padding: 4px 10px;
  border-radius: 4px;
}

/* =========================================================
   ICONS
========================================================= */
.icon_cart {
  display: inline-block;
  width: 18px;
  height: auto;
  vertical-align: middle;
}

/* =========================================================
   LAYOUT / CONTENT COLUMN
   Same design is shared by PC and SP: a fixed-width column
   centered on the viewport.
========================================================= */
.lp_wrap {
  max-width: var(--content-w);
  margin: 0 auto;
  background: var(--c-bg);
  position: relative;
  overflow: hidden;
}

/* ---- MV ---- */
.mv {
  position: relative;
}

.mv_media {
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.mv_media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mv_logo {
  position: absolute;
  left: 50%;
  top: 56px;
  transform: translateX(-50%);
  width: 96px;
}

/* ---- Section common ---- */
.sec {
  padding: 64px 0;
}

.sec_inner {
  padding: 0 32px;
}

.sec_label {
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--c-gold);
  margin-bottom: 12px;
}

.sec_ttl {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 28px;
}

.sec_lead {
  font-size: 0.9rem;
  line-height: 2.1;
  text-align: center;
  margin-bottom: 32px;
}

/* ---- Concept ---- */
.award_row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
}

.award_badge {
  flex: none;
  width: 110px;
}

.award_badge img {
  width: 100%;
  height: auto;
}

.award_text {
  flex: 1;
  font-size: 0.82rem;
  line-height: 1.9;
}

.concept_img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.concept_img::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 30%;
  background: linear-gradient(to bottom, var(--c-bg) 0%, rgba(255, 255, 255, 0) 100%);
  z-index: 1;
}

.concept_img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- Feature ---- */
.feature_item {
  margin-bottom: 72px;
}

.feature_img {
  margin-bottom: 20px;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.feature_img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.feature_img--face img {
  object-position: center 78%;
  transform: scale(1.2);
}

.feature_subttl {
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 12px;
}

.feature_ttl {
  font-size: 1.15rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 3px;
}

.feature_txt {
  font-size: 0.88rem;
  line-height: 2;
}

.feature_diagram {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 32px;
  margin-bottom: 40px;
}

.feature_diagram_img {
  flex: none;
  width: 110px;
}

.feature_diagram_txt {
  flex: 1;
  font-size: 0.85rem;
  line-height: 1.9;
}

/* ---- Series ---- */
.sec_series {
  background: #8a3a16;
  color: #fff;
  padding-bottom: 40px;
}

.sec_series .sec_label,
.sec_series .sec_ttl {
  color: #fff;
}

.series_slider {
  padding: 0 32px;
}

.series_slide {
  padding: 0 8px;
}

.series_slide a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.series_slide img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #fff;
}

.series_caption {
  margin-top: 20px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: #fff;
}

.series_arrows {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 16px;
}

.series_prev, .series_next {
  width: 40px;
  height: 40px;
  border: 1px solid #fff;
  border-radius: 50%;
  color: #fff;
}

/* ---- FAQ ---- */
.faq_item {
  border-bottom: 1px solid var(--c-line);
}

.faq_q {
  width: 100%;
  text-align: left;
  padding: 20px 36px 20px 4px;
  font-size: 0.9rem;
  position: relative;
}

.faq_q::before {
  content: "Q";
  font-family: "Cormorant Garamond", serif;
  color: var(--c-gold);
  margin-right: 10px;
}

.faq_q::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  transition: transform 0.2s ease;
}

.faq_item.is_open .faq_q::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq_a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.faq_a p {
  overflow: hidden;
  font-size: 0.85rem;
  line-height: 1.9;
  padding: 0 4px;
}

.faq_item.is_open .faq_a {
  grid-template-rows: 1fr;
}

.faq_item.is_open .faq_a p {
  padding-bottom: 20px;
}

/* ---- Company Profile ---- */
.company_subttl {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 16px;
}

.company_lead {
  font-size: 0.88rem;
  line-height: 2;
  text-align: center;
  margin-bottom: 32px;
}

.company_box {
  display: flex;
  align-items: center;
  gap: 20px;
  border: 1px solid var(--c-line);
  padding: 20px;
}

.company_logo {
  flex: none;
  width: 84px;
}

.company_info {
  flex: 1;
}

.company_name {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 8px;
}

.company_txt {
  font-size: 0.78rem;
  line-height: 1.8;
}

/* ---- Footer ---- */
.footer {
  padding: 56px 32px 40px;
  text-align: center;
}

.footer_banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 32px;
}

.footer_banner img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #fff;
}

.footer_logo {
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.footer_copyright {
  font-size: 0.7rem;
  color: #8a7a63;
}

/* =========================================================
   Fixed chrome shared base (visibility toggled per breakpoint
   in pc.css / sp.css)
========================================================= */
.l_side_left,
.l_side_cta,
.l_copyright,
.sp_header,
.sp_nav,
.sp_nav_overlay,
.sp_bottom_cta {
  position: fixed;
  z-index: 100;
}
