/* 102 陶房 紅窯 ― 色はここだけ触れば差し替わる */
:root {
  --c-bg: #120d0e;
  --c-ink2: #1d1517;
  --c-crimson: #b3123a;
  --c-pink: #f4a3b8;
  --c-light: #f6eeea;
  --c-accent-text: #9c1034;
  --c-on-dark: #e7dcdd;
  --c-text: #374151;
  --c-sub: #4b5563;
  --font: "Noto Sans JP", sans-serif;
  --font-ja: "Zen Antique", serif;
  --font-en: "Oswald", sans-serif;
  --head: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.9; letter-spacing: .03em; color: var(--c-on-dark); background: var(--c-bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, p, figure { margin: 0; font-weight: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, dd, li, blockquote { word-break: auto-phrase; }

.inner { max-width: 1160px; margin: 0 auto; }
.inner--narrow { max-width: 800px; }
.en { font-family: var(--font-en); font-weight: 600; font-size: 16px; letter-spacing: .3em; color: var(--c-pink); margin-bottom: 12px; }
.en--dark { color: var(--c-accent-text); }
.en--white { color: #fff; }
.title { font-family: var(--font-ja); font-weight: 400; font-size: clamp(30px, 4.4vw, 56px); line-height: 1.35; color: #fff; letter-spacing: .04em; }
.title--dark { color: var(--c-bg); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 28px; text-decoration: none; font-weight: 700; letter-spacing: .1em; white-space: nowrap; flex: none; border: 0; cursor: pointer; font-family: var(--font); font-size: 16px; transition: background-color .2s, color .2s; }
.btn--crimson { background: var(--c-crimson); color: #fff; }
.btn--crimson:hover, .btn--crimson:focus-visible { background: #fff; color: var(--c-crimson); }
.btn--black { background: var(--c-bg); color: #fff; }
.btn--black:hover, .btn--black:focus-visible { background: #fff; color: var(--c-bg); }
.btn--lg { min-height: 60px; padding: 0 36px; font-size: 17px; }
@media (max-width: 400px) { .btn--lg { padding: 0 22px; font-size: 16px; } }

/* 二色刷り（深紅×黒）：写真を灰色にして、深紅の板に「乗算」で重ねる */
.duo { position: relative; background: var(--c-crimson); overflow: hidden; }
.duo img { filter: grayscale(1) contrast(1.25) brightness(1.05); mix-blend-mode: multiply; transition: filter .4s, mix-blend-mode .4s; }

/* 伏せ字の〇は日本語の書体で（英字の書体だと大きな丸に見える） */
.fz { font-family: "Noto Sans JP", sans-serif; font-weight: inherit; letter-spacing: 0; }

/* ヘッダー（LP：ロゴと予約ボタンだけ） */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; background: rgba(18, 13, 14, .92); border-bottom: 1px solid #3a2a2d; }
.header__inner { display: flex; align-items: center; gap: 10px; height: var(--head); padding: 0 8px 0 20px; max-width: 1440px; margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 12px; min-height: 48px; text-decoration: none; white-space: nowrap; flex: none; }
.logo__ja { font-family: var(--font-ja); font-size: 30px; color: #fff; line-height: 1; }
.logo__en { font-family: var(--font-en); font-weight: 500; font-size: 15px; line-height: 1.15; letter-spacing: .14em; color: var(--c-pink); }
.header__btn { margin-left: auto; min-height: 44px; padding: 0 16px; font-size: 15px; }
@media (max-width: 430px) { .logo__en { display: none; } }
@media (min-width: 1080px) { :root { --head: 80px; } .header__inner { padding: 0 48px; } .header__btn { min-height: 52px; padding: 0 28px; } }

.spmenu { flex: none; }
.spmenu summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: center; min-width: 48px; min-height: 48px; color: #fff; }
.spmenu summary::-webkit-details-marker { display: none; }
.spmenu__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.spmenu__bar, .spmenu__bar::before, .spmenu__bar::after { display: block; width: 22px; height: 2px; background: currentColor; position: relative; }
.spmenu__bar::before, .spmenu__bar::after { content: ""; position: absolute; left: 0; }
.spmenu__bar::before { top: -7px; } .spmenu__bar::after { top: 7px; }
.spmenu[open] .spmenu__bar { background: transparent; }
.spmenu[open] .spmenu__bar::before { top: 0; transform: rotate(45deg); }
.spmenu[open] .spmenu__bar::after { top: 0; transform: rotate(-45deg); }
.spmenu__nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--c-bg); padding: 8px 20px 24px; display: flex; flex-direction: column; border-bottom: 2px solid var(--c-crimson); }
.spmenu__nav a { display: flex; align-items: center; min-height: 52px; text-decoration: none; color: #fff; border-bottom: 1px solid #3a2a2d; }
@media (min-width: 1080px) { .spmenu { display: none; } }

/* ===== メインビジュアル（A09・コラージュ） ===== */
.hero { position: relative; padding: calc(var(--head) + 32px) 20px 64px; overflow: hidden; display: flex; flex-direction: column; }
.hero__copy { position: relative; z-index: 5; order: 1; }
.hero__en { font-family: var(--font-en); font-weight: 600; font-size: 15px; letter-spacing: .3em; color: var(--c-pink); }
.hero__title { font-family: var(--font-ja); font-weight: 400; font-size: clamp(72px, 19vw, 230px); line-height: 1.02; color: #fff; margin: 8px 0 20px; text-shadow: 0 4px 30px rgba(18, 13, 14, .55); }
.hero__title span:not(.fz) { display: block; }
.hero__title span + span { color: var(--c-pink); }
.hero__lead { margin-bottom: 28px; font-size: 16px; color: #fff; }
.hero__collage { position: relative; order: 2; height: 400px; margin: 32px -20px 0; }
.c { position: absolute; display: block; }
.c-circle { width: 240px; height: 240px; border-radius: 50%; background: var(--c-crimson); right: 8%; top: 40px; }
.c-bar { width: 130%; height: 18px; background: var(--c-pink); left: -10%; top: 300px; transform: rotate(-8deg); }
.c-wheel { width: 62%; left: 6%; top: 10px; transform: rotate(-4deg); box-shadow: 0 20px 40px rgba(0, 0, 0, .5); }
.c-wheel img { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; }
.c-cup { width: 36%; left: 10%; top: 210px; transform: rotate(5deg); border: 4px solid var(--c-bg); }
.c-cup img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.c-vase { width: 30%; right: 30%; top: 60px; filter: drop-shadow(0 18px 24px rgba(0, 0, 0, .6)); }
.c-bowl { width: 52%; right: 0; top: 150px; filter: drop-shadow(0 24px 30px rgba(0, 0, 0, .6)); }
.c-stamp { right: 6%; top: 0; width: 88px; height: 88px; display: grid; place-content: center; text-align: center; border: 2px solid var(--c-pink); color: var(--c-pink); font-family: var(--font-en); font-weight: 600; font-size: 15px; line-height: 1.2; letter-spacing: .1em; transform: rotate(8deg); }
@media (min-width: 1080px) {
  .hero { min-height: 100vh; padding: var(--head) 6vw 0; display: grid; align-items: center; }
  .hero__copy { grid-area: 1 / 1; max-width: 62%; }
  .hero__title { font-size: min(12vw, 22vh); }
  .hero__collage { grid-area: 1 / 1; position: absolute; inset: 0; height: auto; margin: 0; }
  .c-circle { width: 34vw; height: 34vw; right: 6vw; top: 18vh; }
  .c-bar { width: 70vw; right: -6vw; left: auto; top: 76vh; height: 26px; }
  .c-wheel { width: 34vw; left: auto; right: 22vw; top: 14vh; }
  .c-cup { width: 15vw; left: auto; right: 40vw; top: 62vh; }
  .c-vase { width: 15vw; right: 6vw; top: 12vh; }
  .c-bowl { width: 27vw; right: 12vw; top: 46vh; }
  .c-stamp { right: 3vw; top: auto; bottom: 7vh; width: 110px; height: 110px; font-size: 17px; }
}

/* ===== 悩み ===== */
.worry { padding: 96px 20px; border-top: 1px solid #2c2023; }
.worry__list { display: grid; gap: 12px; margin-top: 40px; }
.worry__list li { display: flex; gap: 16px; align-items: center; padding: 20px; border: 1px solid var(--c-crimson); font-weight: 700; font-size: 17px; color: #fff; min-width: 0; }
.worry__list span:not(.fz) { font-family: var(--font-en); font-size: 28px; color: var(--c-pink); flex: none; }
@media (min-width: 900px) { .worry { padding: 140px 6vw; } .worry__list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; } .worry__list li { flex-direction: column; align-items: flex-start; padding: 28px; } }

/* ===== 解決 ===== */
.solve { display: grid; gap: 40px; padding: 0 0 96px; }
.solve__photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.solve__body { padding: 0 20px; max-width: 620px; }
.solve__body .title { margin-bottom: 24px; }
.solve__body p + p { margin-top: 16px; }
@media (min-width: 900px) { .solve { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 6vw; align-items: center; padding: 0 6vw 160px 0; } .solve__photo img { aspect-ratio: 4 / 5; } .solve__body { padding: 0; } }

/* ===== 特長（F05） ===== */
.feature { padding: 96px 20px; background: var(--c-ink2); }
.feature__list { margin: 40px 0 56px; }
.feat { display: grid; gap: 8px; padding: 28px 0; border-top: 1px solid #3a2a2d; align-items: center; }
.feat__num { font-family: var(--font-en); font-weight: 600; font-size: clamp(150px, 42vw, 300px); line-height: .9; letter-spacing: -.02em;
  background-color: var(--c-crimson); background-image: var(--img); background-size: cover; background-position: 50% 50%; filter: url(#duo);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.feat__body h3 { font-family: var(--font-ja); font-size: 26px; color: #fff; margin-bottom: 8px; }
@media (min-width: 900px) {
  .feature { padding: 140px 6vw; }
  .feat { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 6vw; padding: 20px 0; }
  .feat:nth-child(2) .feat__num { order: 2; text-align: right; }
}
.cta-line { display: grid; justify-items: center; gap: 12px; text-align: center; font-size: 15px; }

/* ===== 作品（scroll-snap） ===== */
.works { padding: 112px 0 96px; }
.works__head { display: flex; justify-content: space-between; align-items: end; gap: 16px; padding: 0 20px; margin-bottom: 32px; }
.arrows { display: flex; gap: 8px; }
.arrows[hidden] { display: none; }
.arrow { width: 52px; height: 52px; border: 2px solid var(--c-pink); background: transparent; color: #fff; font-size: 20px; cursor: pointer; transition: background-color .2s; }
.arrow:hover, .arrow:focus-visible { background: var(--c-crimson); border-color: var(--c-crimson); }
.works__track { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 0 20px 16px; scroll-padding: 0 20px; }
.work { flex: none; width: 72vw; max-width: 380px; scroll-snap-align: start; }
.work figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.work:hover .duo img, .work:focus-within .duo img { filter: none; mix-blend-mode: normal; }
.work__name { font-family: var(--font-ja); font-size: 20px; color: #fff; margin-top: 12px; }
.work__who { font-size: 15px; color: var(--c-on-dark); }
.works__hint { padding: 16px 20px 0; font-size: 15px; }
@media (min-width: 1080px) { .works { padding: 160px 0 140px; } .works__head, .works__track, .works__hint { padding-left: 6vw; padding-right: 6vw; } .works__track { scroll-padding: 0 6vw; gap: 28px; } .work { width: 24vw; } }

/* ===== 入会までの流れ（B06）：付箋タブ。CSS の sticky だけ ===== */
.flow { padding: 96px 20px 120px; background: var(--c-ink2); }
.flow .inner { margin-bottom: 40px; }
.tabs { max-width: 1160px; margin: 0 auto; }
.tab { position: sticky; top: calc(var(--head) + 16px + var(--i) * 56px); margin-bottom: 40px; }
.tab__label { position: relative; display: inline-flex; align-items: center; gap: 12px; height: 56px; padding: 0 20px; margin-left: calc(var(--i) * 12%); font-family: var(--font-ja); font-size: 20px; color: #fff; background: var(--tab-bg, var(--c-crimson)); white-space: nowrap; }
.tab__label span:not(.fz) { font-family: var(--font-en); font-weight: 600; font-size: 15px; letter-spacing: .14em; color: var(--tab-sub, var(--c-light)); }
.tab__body { min-height: 260px; padding: 32px 24px; background: var(--tab-bg, var(--c-crimson)); color: var(--tab-text, #fff); border-top: 1px solid rgba(255, 255, 255, .2); box-shadow: 0 -12px 30px rgba(0, 0, 0, .35); }
.tab__body p { font-size: 17px; max-width: 30em; }
.tab__meta { margin-top: 16px; font-family: var(--font-en); letter-spacing: .08em; }
.tab:nth-child(2) { --tab-bg: #3b0a17; }
.tab:nth-child(3) { --tab-bg: #f4a3b8; --tab-text: #120d0e; --tab-sub: #3b0a17; }
.tab:nth-child(3) .tab__label { color: #120d0e; }
.tab:nth-child(4) { --tab-bg: #f6eeea; --tab-text: #120d0e; --tab-sub: #9c1034; }
.tab:nth-child(4) .tab__label { color: #120d0e; }
@media (min-width: 900px) { .flow { padding: 140px 6vw 200px; } .tab__body { min-height: 320px; padding: 48px; } .tab__label { margin-left: calc(var(--i) * 22%); } }

/* ===== 声 ===== */
.voice { padding: 112px 20px; }
.voice__list { display: grid; gap: 20px; margin-top: 40px; }
.voice__list li { padding: 28px; border-left: 4px solid var(--c-crimson); background: var(--c-ink2); min-width: 0; }
.voice blockquote { margin: 0 0 12px; font-size: 18px; font-weight: 700; color: #fff; line-height: 1.8; }
.voice__list p { font-size: 15px; }
@media (min-width: 900px) { .voice { padding: 160px 6vw; } .voice__list { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ===== 料金・よくある質問（明るい区切り） ===== */
.price, .faq { background: var(--c-light); color: var(--c-text); padding: 96px 20px; }
.price__list { display: grid; gap: 16px; margin: 40px 0 48px; }
.price__list li { padding: 28px 24px; background: #fff; border: 2px solid #e2d3cf; min-width: 0; }
.price__list li.is-pick { border-color: var(--c-crimson); }
.price__tag { display: inline-block; background: var(--c-crimson); color: #fff; font-size: 15px; padding: 0 10px; margin-bottom: 8px; }
.price__list h3 { font-weight: 700; font-size: 19px; color: var(--c-bg); }
.price__num { font-family: var(--font-en); font-weight: 600; font-size: 40px; color: var(--c-accent-text); margin: 4px 0; }
.price__num small { font-family: var(--font); font-size: 15px; margin-left: 4px; }
.cta-line--dark { color: var(--c-sub); }
@media (min-width: 900px) { .price { padding: 140px 6vw; } .price__list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; } }
.faq { padding-top: 0; }
.faq .title { margin-bottom: 32px; }
.qa { border-top: 2px solid var(--c-bg); }
.qa:last-child { border-bottom: 2px solid var(--c-bg); }
.qa summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 16px; min-height: 64px; padding: 12px 0; font-weight: 700; font-size: 17px; color: var(--c-bg); }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::before { content: "Q"; font-family: var(--font-en); font-size: 24px; color: var(--c-accent-text); flex: none; }
.qa summary::after { content: "+"; margin-left: auto; font-family: var(--font-en); font-size: 26px; color: var(--c-accent-text); flex: none; }
.qa[open] summary::after { content: "−"; }
.qa p { padding: 0 0 24px 32px; }
@media (min-width: 900px) { .faq { padding: 0 6vw 140px; } }

/* ===== 申し込み ===== */
.apply { background: var(--c-crimson); color: #fff; padding: 96px 20px; }
.apply__title { font-family: var(--font-ja); font-size: clamp(30px, 4.4vw, 52px); line-height: 1.35; }
.apply__lead { margin: 16px 0 36px; }
.form { display: grid; gap: 18px; }
.form label { display: grid; gap: 6px; font-size: 15px; font-weight: 700; }
.form input { font: inherit; font-size: 16px; font-weight: 400; color: var(--c-bg); background: #fff; border: 2px solid var(--c-bg); padding: 12px 14px; min-height: 52px; border-radius: 0; }
.form input:focus { outline: 3px solid var(--c-bg); outline-offset: 2px; }
.form .btn { margin-top: 12px; justify-self: start; }

/* ===== フッター ===== */
.footer { padding: 56px 20px 112px; text-align: center; font-size: 15px; }
.footer__logo { font-family: var(--font-ja); font-size: 30px; color: #fff; margin-bottom: 12px; }
.footer__logo span:not(.fz) { font-family: var(--font-en); font-size: 15px; letter-spacing: .2em; color: var(--c-pink); margin-left: 8px; }
.footer__fiction { margin-top: 16px; }
@media (min-width: 768px) { .footer { padding-bottom: 56px; } }

.fixcta { position: fixed; z-index: 40; left: 12px; right: 12px; bottom: 12px; display: flex; align-items: center; justify-content: center; min-height: 56px; background: var(--c-crimson); color: #fff; font-weight: 700; text-decoration: none; letter-spacing: .1em; border: 2px solid #fff; white-space: nowrap; }
@media (min-width: 768px) { .fixcta { display: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* 大きな数字の中の伏せ字は、数字の高さにそろえて小さめに */
.price__num .fz, .item__price .fz, .menu .fz, .c-stamp .fz { font-size: max(15px, .62em); vertical-align: .08em; }
.c-stamp { white-space: nowrap; }