/* ============================================
   SHADE & CHIC — おしゃれに日焼け対策して夏を楽しむ
   ============================================ */

:root {
  --color-ink: #2b3a44;          /* 基本テキスト(深いブルーグレー) */
  --color-ink-light: #6b7d88;    /* 補助テキスト */
  --color-base: #fdfcf9;         /* 背景(温かみのある白) */
  --color-base-alt: #f2f7f8;     /* セクション交互背景(淡い水色) */
  --color-accent: #5aa7b5;       /* メインアクセント(ティールブルー) */
  --color-accent-deep: #3d8494;  /* アクセント濃 */
  --color-gold: #c9a86a;         /* 上品なゴールド */
  --color-line: #e3e9ec;         /* 罫線 */
  --font-serif: "Noto Serif JP", serif;
  --font-sans: "Noto Sans JP", sans-serif;
  --font-en: "Cormorant Garamond", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--color-ink);
  background: var(--color-base);
  line-height: 1.9;
  letter-spacing: 0.04em;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 広告表記 ---------- */
.ad-notice {
  background: #f6f3ec;
  color: #8a7d62;
  font-size: 11px;
  text-align: center;
  padding: 6px 16px;
  letter-spacing: 0.1em;
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 252, 249, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand { display: flex; flex-direction: column; line-height: 1.3; }

.brand-main {
  font-family: var(--font-en);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-ink);
}

.brand-sub {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--color-ink-light);
}

.global-nav { display: flex; gap: 32px; }

.global-nav a {
  font-family: var(--font-en);
  font-size: 16px;
  letter-spacing: 0.14em;
  color: var(--color-ink);
  position: relative;
  padding-bottom: 2px;
}

.global-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--color-gold);
  transition: width 0.3s ease;
}

.global-nav a:hover::after { width: 100%; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.12em;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  padding: 14px 48px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(90, 167, 181, 0.35);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
}

.btn-primary:hover::after {
  left: 130%;
}

.btn-primary:hover {
  background: var(--color-accent-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(90, 167, 181, 0.45);
}

.btn-detail {
  border: 1px solid var(--color-accent);
  color: var(--color-accent-deep);
  padding: 8px 22px;
  border-radius: 999px;
  font-size: 12.5px;
  white-space: nowrap;
}

.btn-detail:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #eaf6f8 0%, #fdfcf9 45%, #fdf6ea 80%, #eaf6f8 100%);
  background-size: 220% 220%;
  animation: gradient-drift 16s ease infinite;
  text-align: center;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: 110px;
  padding-bottom: 120px;
}

.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 28px;
}

.hero-title em {
  font-style: normal;
  display: inline-block;
  color: var(--color-accent-deep);
  padding-bottom: 4px;
  background: linear-gradient(var(--color-gold), var(--color-gold)) left bottom / 0% 2px no-repeat;
  animation: underline-grow 0.9s ease forwards 1.2s;
}

@keyframes underline-grow {
  to { background-size: 100% 2px; }
}

.hero-lead {
  font-size: 15px;
  color: var(--color-ink-light);
  margin-bottom: 44px;
}

/* 装飾円 */
.hero-deco .circle {
  position: absolute;
  border-radius: 50%;
  z-index: 1;
}

.circle.c1 {
  width: 360px; height: 360px;
  top: -120px; right: -90px;
  background: radial-gradient(circle, rgba(247, 215, 148, 0.55), rgba(247, 215, 148, 0));
}

.circle.c2 {
  width: 280px; height: 280px;
  bottom: -100px; left: -70px;
  background: radial-gradient(circle, rgba(140, 200, 212, 0.4), rgba(140, 200, 212, 0));
}

.circle.c3 {
  width: 140px; height: 140px;
  top: 38%; left: 12%;
  background: radial-gradient(circle, rgba(201, 168, 106, 0.22), rgba(201, 168, 106, 0));
}

/* ---------- セクション共通 ---------- */
.section { padding: 96px 0; }

.section-eyebrow {
  font-family: var(--font-en);
  font-size: 15px;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 500;
  text-align: center;
  margin-bottom: 20px;
}

/* 見出しの下に金のラインがすっと引かれる */
.section-title::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), #e6cf9b);
  margin: 16px auto 0;
  transition: width 0.9s cubic-bezier(0.22, 0.61, 0.36, 1) 0.45s;
}

.section-title.is-visible::after {
  width: 64px;
}

.section-lead {
  text-align: center;
  font-size: 14.5px;
  color: var(--color-ink-light);
  margin-bottom: 56px;
}

.items-note {
  font-size: 11px;
  opacity: 0.8;
}

/* ---------- コンセプト ---------- */
.concept { background: var(--color-base); }

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.concept-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 14px;
  padding: 40px 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.concept-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(43, 58, 68, 0.08);
}

.concept-num {
  font-family: var(--font-en);
  font-size: 30px;
  color: var(--color-gold);
  margin-bottom: 14px;
}

.concept-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 14px;
}

.concept-card p {
  font-size: 13.5px;
  color: var(--color-ink-light);
  text-align: left;
}

/* ---------- アイテム ---------- */
.items { background: var(--color-base-alt); }

.category { margin-top: 72px; }
.category:first-of-type { margin-top: 0; }

.category-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
}

.category-en {
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-accent-deep);
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.item-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(43, 58, 68, 0.06);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

/* ホバーでカード上辺に金のラインが走る */
.item-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), #e9d3a6);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
  z-index: 2;
}

.item-card:hover::before {
  transform: scaleX(1);
}

.item-card:hover {
  transform: translateY(-7px) scale(1.015);
  box-shadow: 0 20px 44px rgba(43, 58, 68, 0.16);
}

/* 商品画像プレースホルダー */
.item-img {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.item-card:hover .item-img img {
  transform: scale(1.06);
}

.item-img span {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.6);
  padding: 6px 18px;
  border-radius: 999px;
}

.img-parasol-1    { background: linear-gradient(135deg, #a8d4dd, #7db8c6); }
.img-parasol-2    { background: linear-gradient(135deg, #c5b8d6, #9d8cba); }
.img-parasol-3    { background: linear-gradient(135deg, #d9c8a9, #bba37b); }
.img-cardigan-1   { background: linear-gradient(135deg, #cfe3da, #a3c6b8); }
.img-cardigan-2   { background: linear-gradient(135deg, #f0ddd2, #ddb9a5); }
.img-cardigan-3   { background: linear-gradient(135deg, #b9c8d8, #8fa6bd); }
.img-hat-1        { background: linear-gradient(135deg, #e8d5ae, #cdb27f); }
.img-hat-2        { background: linear-gradient(135deg, #f1e0cb, #dcc1a0); }
.img-hat-3        { background: linear-gradient(135deg, #aebfc6, #84989f); }
.img-sunglasses-1 { background: linear-gradient(135deg, #c8d8dc, #9bb6bd); }
.img-sunglasses-2 { background: linear-gradient(135deg, #c3a98e, #a08263); }
.img-sunglasses-3 { background: linear-gradient(135deg, #d3cbe0, #aa9dc4); }
.img-sunscreen-1  { background: linear-gradient(135deg, #fbe3d4, #f2bfa3); }
.img-sunscreen-2  { background: linear-gradient(135deg, #cce6ea, #9fcdd5); }
.img-sunscreen-3  { background: linear-gradient(135deg, #fdeec9, #f3d491); }

.item-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.item-tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-accent-deep);
  background: rgba(90, 167, 181, 0.1);
  border-radius: 4px;
  display: inline-block;
  align-self: flex-start;
  padding: 2px 10px;
  margin-bottom: 12px;
}

.item-review {
  font-size: 11.5px;
  color: #c2862e;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.item-name {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 10px;
}

.item-desc {
  font-size: 13px;
  color: var(--color-ink-light);
  flex: 1;
  margin-bottom: 18px;
}

.item-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.item-price {
  font-family: var(--font-en);
  font-size: 19px;
  color: var(--color-ink);
}

.item-price small {
  font-family: var(--font-sans);
  font-size: 10px;
  color: var(--color-ink-light);
  display: block;
  line-height: 1.4;
}

/* ---------- スタイルヒント ---------- */
.style-tips { background: var(--color-base); }

.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.tip-card {
  display: flex;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tip-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(43, 58, 68, 0.08);
}

.tip-img {
  flex: 0 0 38%;
  min-height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tip-img span {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.6);
  padding: 4px 12px;
  border-radius: 999px;
}

.tip-img-1 { background: linear-gradient(150deg, #b3a4cf, #8a78b0); }
.tip-img-2 { background: linear-gradient(150deg, #a9cfc3, #7fb3a2); }
.tip-img-3 { background: linear-gradient(150deg, #d8bd92, #bb9c68); }
.tip-img-4 { background: linear-gradient(150deg, #f0d3c0, #e0ab8d); }

.tip-body { padding: 26px 26px 28px; }

.tip-label {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.26em;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.tip-body h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 10px;
}

.tip-body p {
  font-size: 13px;
  color: var(--color-ink-light);
}

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, #5aa7b5, #3d8494, #5aa7b5);
  background-size: 200% 200%;
  animation: gradient-drift 14s ease infinite;
  color: #fff;
  text-align: center;
  padding: 88px 0;
}

@keyframes gradient-drift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 18px;
}

.cta-lead {
  font-size: 14.5px;
  opacity: 0.92;
  margin-bottom: 40px;
}

.cta .btn-primary {
  background: #fff;
  color: var(--color-accent-deep);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
}

.cta .btn-primary:hover {
  background: #f3efe6;
  transform: translateY(-2px);
}

/* ---------- フッター ---------- */
.site-footer {
  background: #2b3a44;
  color: #b9c5cc;
  text-align: center;
  padding: 56px 0 40px;
}

.footer-brand {
  font-family: var(--font-en);
  font-size: 24px;
  letter-spacing: 0.2em;
  color: #fff;
  margin-bottom: 18px;
}

.footer-note {
  font-size: 11.5px;
  max-width: 560px;
  margin: 0 auto 24px;
  line-height: 1.9;
}

.footer-copy {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.14em;
  opacity: 0.7;
}

.footer-version {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.14em;
  opacity: 0.45;
  margin-top: 8px;
}

/* ---------- アニメーション ---------- */

/* ヒーローの登場演出(読み込み時に上から順にふわっと) */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: none; }
}

.hero-eyebrow      { animation: fade-up 0.9s ease both 0.15s; }
.hero-title        { animation: fade-up 1.0s ease both 0.35s; }
.hero-lead         { animation: fade-up 1.0s ease both 0.6s; }
.hero .btn-primary { animation: fade-up 1.0s ease both 0.85s; }

/* 背景の装飾円がゆっくり漂う */
@keyframes float-slow {
  0%, 100% { transform: translate(0, 0); }
  50%      { transform: translate(14px, -20px); }
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50%      { transform: scale(1.1); opacity: 1; }
}

.circle.c1 { animation: float-slow 10s ease-in-out infinite; }
.circle.c2 { animation: float-slow 13s ease-in-out infinite reverse; }
.circle.c3 { animation: breathe 8s ease-in-out infinite; }

/* スクロールに合わせてふわっと現れる(JSが .reveal を付与) */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  filter: blur(10px);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.22, 0.61, 0.36, 1), filter 0.9s ease;
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: none;
}

/* マーキー(流れる帯文字) */
.marquee {
  overflow: hidden;
  padding: 38px 0;
  background: var(--color-base);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-flow 32s linear infinite;
}

.marquee-reverse .marquee-track {
  animation-direction: reverse;
}

.marquee-text {
  font-family: var(--font-en);
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 500;
  letter-spacing: 0.14em;
  white-space: nowrap;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 168, 106, 0.8);
}

@keyframes marquee-flow {
  to { transform: translateX(-50%); }
}

/* スクロールの誘導サイン */
.scroll-cue {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: fade-up 1s ease both 1.3s;
}

.scroll-cue span {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--color-ink-light);
}

.scroll-cue::after {
  content: "";
  width: 1px;
  height: 48px;
  background: var(--color-gold);
  animation: scroll-line 2.2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  45%  { transform: scaleY(1); transform-origin: top; }
  55%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* 動きを減らす設定のユーザーにはアニメーションを無効化 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; filter: none; }
  .marquee-track { animation: none; }
}

/* ---------- レスポンシブ ---------- */
.sp-only { display: none; }

@media (max-width: 900px) {
  .item-grid { grid-template-columns: repeat(2, 1fr); }
  .concept-grid { grid-template-columns: 1fr; max-width: 520px; margin-left: auto; margin-right: auto; }
  .tips-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .sp-only { display: inline; }
  .header-inner { flex-direction: column; gap: 10px; }
  .global-nav { gap: 22px; }
  .hero-inner { padding-top: 72px; padding-bottom: 84px; }
  .hero-lead br { display: none; }
  .section { padding: 64px 0; }
  .item-grid { grid-template-columns: 1fr; }
  .tip-card { flex-direction: column; }
  .tip-img { flex-basis: auto; min-height: 150px; }
  .category-title { flex-direction: column; gap: 2px; align-items: flex-start; }
}