/* ============================================================
   ASUKA TABI ランディングページ
   リーフレットの雰囲気（生成り×淡いピンクベージュ、朱の点線、
   細い罫線、エレガントなセリフ書体）をWebに踏襲したスタイル。
   ============================================================ */

:root {
  /* --- palette (leaflet-derived) --- */
  --cream:        #f7f0e4;
  --cream-deep:   #efe3cf;
  --blush:        #fbeadd;
  --blush-deep:   #f2d9c7;
  --ink:          #2a211a;
  --ink-soft:     #6b5d4f;
  --ink-faint:    #a6998a;
  --red:          #c6394f;
  --red-deep:     #a92c40;
  --gold:         #b8863b;
  --line:         rgba(42, 33, 26, 0.16);
  --line-soft:    rgba(42, 33, 26, 0.09);
  --white:        #fffdf8;

  /* --- type --- */
  --font-en:   'Cormorant Garamond', 'EB Garamond', serif;
  --font-jp-serif: 'Shippori Mincho', serif;
  --font-jp-sans:  'Zen Kaku Gothic New', 'Hiragino Sans', sans-serif;

  /* --- layout --- */
  --max-w: 1600px;
  --gutter: clamp(44px, 5vw, 84px);
  --section-pad: clamp(72px, 10vw, 160px);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; width: 100%; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-jp-sans);
  font-weight: 400;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block;
	max-width: 100%;
	height: auto;
	width /***/:auto;/*IE8のみ適用*/
	backface-visibility: hidden;
	-webkit-backface-visibility: hidden; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--red); color: var(--white); }

h1, h2, h3 {
  font-family: var(--font-jp-serif);
  font-weight: 600;
  margin: 0;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- scroll progress line ---------- */
.progress-line {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--red);
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ============ HEADER ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 22px 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(247, 240, 228, 0.92);
  backdrop-filter: saturate(140%) blur(6px);
  padding: 14px 0;
  border-bottom-color: var(--line-soft);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-mark { display: flex; flex-direction: column; line-height: 1; gap: 4px; }
.brand-mark__en {
  font-family: "Belleza", sans-serif;
  font-size: 22px;
  letter-spacing: 0;
  color: var(--ink);
}
.site-header:not(.is-scrolled) .brand-mark__en { color: var(--white); }
.brand-mark__jp {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ink-soft);
}
.site-header:not(.is-scrolled) .brand-mark__jp { color: rgba(255,255,255,0.78); }

.main-nav { display: flex; gap: clamp(18px, 2.4vw, 40px); }
.main-nav a {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--ink);
  position: relative;
  padding-bottom: 4px;
}
.site-header:not(.is-scrolled) .main-nav a { color: var(--white); }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transition: right 0.35s var(--ease);
}
.main-nav a:hover::after { right: 0; }

.nav-toggle {
  display: none;
  position: relative;
  z-index: 700;
  width: 32px; height: 24px;
  background: none; border: none; cursor: pointer;
  flex-direction: column; justify-content: space-between;
  padding: 0;
}
.nav-toggle span {
  display: block; height: 1px; width: 100%;
  background: var(--ink);
  transition: transform 0.35s var(--ease), opacity 0.35s var(--ease), background 0.35s var(--ease);
}
.site-header:not(.is-scrolled) .nav-toggle span { background: var(--white); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(11.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-11.5px) rotate(-45deg); }
.nav-toggle.is-open span { background: var(--ink) !important; }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  will-change: transform;
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(0deg, rgba(20,14,8,0.72) 0%, rgba(20,14,8,0.18) 46%, rgba(20,14,8,0.28) 100%);
}

.hero__stamp {
  position: absolute;
  right: 0;
  top:-1em;
  width: 110px;
  height: 110px;
}
@keyframes spin-slow { to { transform: rotate(360deg); } }
.stamp-svg { width: 100%; height: 100%; overflow: visible; }
.stamp-outer, .stamp-inner { fill: none; stroke: rgba(255,255,255,0.85); stroke-width: 1; }
.stamp-text { font-family: var(--font-jp-sans); font-size: 10.5px; letter-spacing: 0.08em; fill: rgba(255,255,255,0.9); }
.stamp-kanji { font-family: var(--font-jp-serif); font-size: 30px; fill: rgba(255,255,255,0.92); }

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-w);
  margin: 0px auto 40px auto;
  padding: 0 var(--gutter) clamp(72px, 11vh, 128px);
  text-align: right;
}
.eyebrow {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.42em;
  color: rgba(255,255,255,0.85);
  margin: 0 0 18px;
}
.hero__title {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(56px, 10vw, 132px);
  line-height: 0.94;
  letter-spacing: 0.02em;
  margin: 0 0 26px;
  text-align: right;
}
.hero__title span { display: block; margin-left: clamp(24px, 6vw, 90px); }
.hero__title img{
	display: inline-block;
	width: clamp(45%, 50vh, 75%);
	height: auto;
}

.hero__lead {
  font-family: var(--font-jp-serif);
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.6;
  color: rgba(255,255,255,0.95);
  margin: 0 0 40px;
  text-align: right;
}
.hero__lead span{
	font-size: 0.8em;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 18px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  font-size: 14px;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.btn--primary { background: var(--white); color: var(--ink); border-color: var(--white); }
.btn--primary:hover { background: transparent; color: var(--white); }
.btn--ghost { color: var(--white); }
.btn--ghost:hover { background: rgba(255,255,255,0.14); }

.scroll-cue {
  position: absolute;
  right: clamp(20px, 5vw, 56px);
  bottom: 34px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.85);
}
.scroll-cue__line {
  width: 1px; height: 46px;
  background: rgba(255,255,255,0.6);
  overflow: hidden;
  position: relative;
}
.scroll-cue__line::after {
  content: "";
  position: absolute;
  top: -100%; left: 0; right: 0; height: 100%;
  background: var(--white);
  animation: cue-drop 2.2s ease-in-out infinite;
}
@keyframes cue-drop { 0% { top: -100%; } 60% { top: 100%; } 100% { top: 100%; } }
.scroll-cue__text { font-size: 10px; letter-spacing: 0.28em; writing-mode: vertical-rl; }

/* ============ shared section heads ============ */
.section-eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.38em;
  color: var(--red);
  margin: 0 0 14px;
}
.section-title {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.4;
  margin-bottom: 20px;
}
.section-desc {
  color: var(--ink-soft);
  max-width: 42em;
  font-size: 15.5px;
}
.section-head { margin-bottom: clamp(40px, 6vw, 76px); }

.corner-mark { position: absolute; width: 22px; height: 22px; pointer-events: none; opacity: 0.55; }
.corner-mark::before, .corner-mark::after { content: ""; position: absolute; background: var(--ink); }
.corner-mark::before { width: 100%; height: 1px; top: 50%; }
.corner-mark::after { height: 100%; width: 1px; left: 50%; }
.corner-mark--tl { top: -11px; left: -11px; }
.corner-mark--br { bottom: -11px; right: -11px; }

/* ============ CONCEPT ============ */
.concept { padding: var(--section-pad) 0; background: var(--cream); }
.concept__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.concept__figure { position: relative; margin: 0; }
.concept__figure img { width: 100%; height: auto; }
.concept__text .section-title { font-size: clamp(30px, 3.6vw, 44px); }
.concept__body {
  color: var(--ink-soft);
  font-size: 15.5px;
  margin: 0 0 22px;
}
.concept__signature {
  font-family: var(--font-jp-serif);
  font-size: 15px;
  color: var(--red-deep);
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px dashed var(--line);
}

/* ============ FEATURE ============ */
.feature { padding: var(--section-pad) 0; background: var(--blush); position: relative; }
.feature-list {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(32px, 5vw, 56px);
}
.feature-item { text-align: center; }
.feature-item__media {
  position: relative;
  width: clamp(200px, 24vw, 300px);
  aspect-ratio: 1;
  margin: 0 auto 30px;
}
.feature-item__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 18px 40px -18px rgba(42,33,26,0.35);
}
.dotted-ring {
  position: absolute;
  inset: -14px;
  fill: none;
  stroke: var(--red);
  stroke-width: 1.6;
  stroke-dasharray: 2.5 7;
}
.dotted-ring circle { animation: ring-rotate 16s linear infinite; transform-origin: 50% 50%; }
.dotted-ring--2 circle { animation-direction: reverse; animation-duration: 20s; }
.dotted-ring--3 circle { animation-duration: 24s; }
@keyframes ring-rotate { to { transform: rotate(360deg); } }

.feature-item__title {
  font-size: clamp(22px, 2.4vw, 28px);
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
}
.feature-item__title::after {
  content: "";
  display: block;
  width: 34px; height: 1px;
  background: var(--red);
  margin: 12px auto 0;
}
.feature-item__text {
  color: var(--ink-soft);
  font-size: 14.5px;
  max-width: 26em;
  margin: 0 auto;
}

/* ============ LINEUP ============ */
.lineup { padding: var(--section-pad) 0; background: var(--cream); }
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 48px) clamp(28px, 4vw, 56px);
}
.product-card {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}
.product-card__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}
.product-card__name {
  font-family: var(--font-en);
  font-size: clamp(20px, 2vw, 24px);
  letter-spacing: 0.08em;
  white-space: nowrap;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.product-card__jp {
  font-family: var(--font-jp-serif);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}
.product-card__head::after {
  content: "";
  flex: 1;
  align-self: center;
  border-bottom: 1px dashed var(--line);
  height: 0;
}
.swatches { display: flex; gap: 6px; flex-shrink: 0; }
.swatches i { width: 12px; height: 12px; border-radius: 50%; display: inline-block; box-shadow: 0 0 0 1px rgba(42,33,26,0.12); }

.product-card__photos {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}
.product-card__item {
  min-width: 0;
}
.product-card__photos img {
  width: 100%;
  min-width: 0;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  box-shadow: 0 20px 36px -22px rgba(42,33,26,0.4);
  transition: transform 0.5s var(--ease);
}


.product-card__item strong{
	font-weight: 400;
	margin-top: 10px;
	font-size: 0.8rem;
	display: block;
	text-align: center;
}

.product-card:hover .product-card__photos img { transform: translateY(-4px); }
.motif-icon {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 54px; height: 54px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red-deep);
  padding: 11px;
}

.product-card h4{
	font-size: 1.2rem;
	margin-bottom: -0.5em;
	font-family: var(--font-jp-serif);
	padding-top: 1em;
	padding-bottom: 0.5em;
}
.btn-link{
	display: block;
}
.btn-link a{
	display: block;
	border: solid #aaa 1px;
	padding: 15px;
	text-align: center;
	border-radius: 6px;
	transition: 0.3s ease-in-out;
}
.btn-link a:hover{
	background-color: #aaa;
	color: #fff;
}

.motif-icon svg { width: 100%; height: 100%; }
.product-card__desc { 
	color: var(--ink-soft);
	font-size: 14.5px; 
	min-height: 85px;
}

/* ============ BOTTLE ============ */
.bottle { padding: var(--section-pad) 0; background: var(--blush); }
.bottle__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.bottle__figure { position: relative; margin: 0; }
.bottle__figure img { width: 100%; height: auto; }
.bottle__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 0;
  margin: 30px 0 0;
}
.bottle__tags li {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 8px 18px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
}

/* ============ TRUST ============ */
.trust { padding: clamp(56px, 8vw, 100px) 0; background: var(--cream); }
.trust__inner {
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 44px);
  flex-wrap: wrap;
  justify-content: center;
  text-align: left;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(32px, 5vw, 48px) 0;
}
.trust__badge { width: 92px; height: 92px; flex-shrink: 0; color: var(--gold); }
.trust__badge svg { width: 100%; height: 100%; }
.trust__badge-outer { fill: none; stroke: currentColor; stroke-width: 1.4; }
.trust__badge-inner { fill: none; stroke: currentColor; stroke-width: 1; stroke-dasharray: 1.5 4; }
.trust__badge-text { font-family: var(--font-jp-serif); font-size: 20px; fill: currentColor; }
.trust__badge-text--sm { font-family: var(--font-en); font-size: 7px; letter-spacing: 0.1em; }
.trust__text { color: var(--ink-soft); font-size: 14.5px; max-width: 40em; }

/* ============ FOOTER ============ */
.site-footer { background: var(--ink); color: var(--cream); padding-top: var(--section-pad); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
  padding-bottom: clamp(48px, 7vw, 88px);
}
.footer__brand .brand-mark__en { font-family: var(--font-en); font-size: 28px; letter-spacing: 0.12em; color: var(--cream); }
.footer__tagline { font-family: var(--font-jp-serif); font-size: 13px; color: rgba(247,240,228,0.68); margin-top: 12px; }
.footer__info p { margin: 0 0 8px; font-size: 14px; color: rgba(247,240,228,0.82); }
.footer__info a { border-bottom: 1px solid rgba(247,240,228,0.4); }
.footer__info a:hover { border-color: var(--cream); }
.footer__company { font-family: var(--font-jp-serif); font-size: 15px !important; color: var(--cream) !important; }
.footer__qr { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.footer__qr img { background: var(--cream); padding: 8px; }
.footer__qr span { font-size: 11px; letter-spacing: 0.08em; color: rgba(247,240,228,0.6); }

.footer__bottom {
  border-top: 1px solid rgba(247,240,228,0.16);
  padding: 22px var(--gutter);
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(247,240,228,0.55);
}
.to-top {
  background: none;
  border: 1px solid rgba(247,240,228,0.35);
  color: rgba(247,240,228,0.85);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 9px 18px;
  cursor: pointer;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.to-top:hover { background: rgba(247,240,228,0.1); border-color: var(--cream); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .concept__grid, .bottle__grid { grid-template-columns: 1fr; }
  .bottle__figure { order: -1; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__qr { grid-column: 1 / -1; align-items: flex-start; }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    z-index: 600;
    inset: 0 0 0 auto;
    width: min(90vw, 420px);
    height: 100vh;
    background: var(--cream);
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    padding: 0 var(--gutter);
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
    box-shadow: -20px 0 60px rgba(0,0,0,0.15);
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav a { color: var(--ink) !important; font-size: 17px; }
  .nav-toggle { display: flex; }

  .feature-list { grid-template-columns: minmax(0, 1fr); max-width: 380px; margin: 0 auto; }
  .product-grid { grid-template-columns: minmax(0, 1fr); }


  .hero__stamp {
	right: -0.5em;
	top:-0.5em;
	width: 60px;
	height: 60px;
	}
}

@media (max-width: 560px) {
  .hero__title span { margin-left: 8vw; }
  .scroll-cue { display: none; }
  .footer__bottom { flex-direction: column; gap: 14px; text-align: center; }

  /* 商品カードの見出し行（英名＋和名＋スウォッチ）が
     nowrapのまま収まりきらず右側がはみ出すのを防ぐ */
  .product-card__head {
    flex-wrap: wrap;
    row-gap: 8px;
  }
  .product-card__name {
    white-space: normal;
    flex-wrap: wrap;
    row-gap: 4px;
  }
  .product-card__head::after {
    order: 3;
    flex-basis: 100%;
    margin-top: 4px;
  }
}