/* 081 水縹酒造 ― 色はここだけ触れば差し替わる */
:root {
  --c-bg: #f3f6f8;
  --c-pale: #dde8f0;
  --c-mizu: #8fb3cf;
  --c-indigo: #1f3a5f;
  --c-accent-text: #2c5a85;
  --c-mizu-text: #b9d2e6;
  --c-text: #374151;
  --c-sub: #4b5563;
  --c-line: #c9d8e4;
  --font: "Noto Sans JP", sans-serif;
  --font-ja: "Zen Antique", serif;
  --font-en: "Cormorant Infant", serif;
  --ease: cubic-bezier(.45, 0, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 2; letter-spacing: .05em; color: var(--c-text); background: var(--c-bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; font-weight: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, dd, li { word-break: auto-phrase; }

.en { font-family: var(--font-en); font-style: italic; font-size: 20px; letter-spacing: .12em; color: var(--c-accent-text); margin-bottom: 16px; }
.en--light { color: var(--c-mizu-text); }
.vtitle { writing-mode: vertical-rl; font-family: var(--font-ja); font-size: clamp(32px, 3.6vw, 48px); line-height: 1.6; letter-spacing: .16em; color: var(--c-indigo); }
.vtitle--light { color: #fff; }
.h2 { font-family: var(--font-ja); font-size: clamp(32px, 3.6vw, 48px); letter-spacing: .16em; color: var(--c-indigo); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 28px; text-decoration: none; letter-spacing: .14em; white-space: nowrap; flex: none; transition: background-color .5s, color .5s; font-size: 15px; }
.btn--light { background: #fff; color: var(--c-indigo); }
.btn--light:hover, .btn--light:focus-visible { background: var(--c-pale); }
.btn--line { border: 1px solid rgba(255, 255, 255, .7); color: #fff; }
.btn--line:hover, .btn--line:focus-visible { background: rgba(255, 255, 255, .12); }

/* ===== ヘッダー ===== */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; background: rgba(243, 246, 248, .94); color: var(--c-indigo); border-bottom: 1px solid var(--c-line); }
.header__inner { display: flex; align-items: center; gap: 20px; height: 68px; padding: 0 20px; }
.logo { display: flex; align-items: baseline; gap: 12px; min-height: 48px; align-items: center; text-decoration: none; white-space: nowrap; flex: none; }
.logo__ja { font-family: var(--font-ja); font-size: 22px; letter-spacing: .2em; }
.logo__en { font-family: var(--font-en); font-style: italic; font-size: 17px; letter-spacing: .1em; color: var(--c-accent-text); }
@media (max-width: 420px) { .logo__en { display: none; } }
.gnav { display: none; }
@media (min-width: 1080px) {
  .header__inner { height: 76px; padding: 0 48px; }
  .gnav { display: flex; gap: 36px; margin-left: auto; }
  .gnav a { display: flex; align-items: center; min-height: 44px; text-decoration: none; font-size: 15px; letter-spacing: .14em; }
  .gnav a:hover { color: var(--c-accent-text); }
}
.spmenu { flex: none; margin-left: auto; }
.spmenu summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; }
.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: 1px; 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; box-shadow: 0 16px 32px rgba(31, 58, 95, .12); }
.spmenu__nav a { display: flex; align-items: center; min-height: 52px; color: var(--c-indigo); text-decoration: none; font-family: var(--font-ja); border-bottom: 1px solid var(--c-line); }
@media (min-width: 1080px) { .spmenu { display: none; } }

/* ===== 1. メインビジュアル（縦並びの形） ===== */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: hidden; background: var(--c-indigo); }
.hero__window { position: absolute; inset: 0; overflow: hidden; }
.hero__pan { position: absolute; inset: 0; }
.hero__pan img { width: 100%; height: 100%; object-fit: cover; }
.hero__window::after { content: ""; position: absolute; inset: 0; background: linear-gradient(270deg, rgba(20, 38, 62, .8) 0%, rgba(20, 38, 62, .55) 22%, rgba(20, 38, 62, 0) 50%); }
.hero__title { position: absolute; z-index: 2; top: 50%; right: max(28px, 8vw); transform: translateY(-46%); writing-mode: vertical-rl; font-family: var(--font-ja); font-size: clamp(30px, 4.4vw, 58px); line-height: 1.9; letter-spacing: .24em; color: #fff; text-shadow: 0 2px 18px rgba(10, 24, 44, .5); }
.hero__title span { display: block; }
.hero__title span + span { margin-top: 2.6em; }
.hero__intro, .hero__hint { display: none; }
/* 動く版：丸窓の中で写真がゆっくり寄りながら流れる（動画風） */
.is-motion .hero { background: var(--c-bg); }
.is-motion .hero__pan { animation: pan 26s ease-in-out infinite alternate; }
@keyframes pan { 0% { transform: scale(1.16) translateX(-3.5%); } 100% { transform: scale(1.06) translateX(3.5%); } }
.is-motion .hero__intro { display: block; position: absolute; z-index: 1; left: 50%; top: calc(50% + 24vmin + 28px); transform: translateX(-50%); font-family: var(--font-ja); font-size: 18px; letter-spacing: .5em; color: var(--c-indigo); white-space: nowrap; }
.is-motion .hero__hint { display: block; position: absolute; z-index: 1; left: 50%; bottom: 72px; transform: translateX(-50%); font-family: var(--font-en); font-style: italic; font-size: 17px; letter-spacing: .2em; color: var(--c-accent-text); }

/* ===== 写真の後ろの色の板（F02） ===== */
.plates { position: relative; margin: 0; }
.plates img { position: relative; z-index: 2; width: 100%; object-fit: cover; }
.plate { position: absolute; inset: 0; z-index: 0; }
.plate--back { background: var(--c-pale); transform: translate(36px, 36px); }
.plate--mid { z-index: 1; background: var(--c-mizu); transform: translate(18px, 18px); }

/* ===== 2. 蔵のはなし ===== */
.story { padding: 112px 20px 96px; display: grid; gap: 56px; }
.story > * { min-width: 0; }
.story__text { display: grid; grid-template-columns: auto 1fr; gap: 8px 28px; align-items: start; }
.story__text .en { grid-column: 1 / -1; }
.story__body p + p { margin-top: 16px; }
.story__photo { margin-right: 36px; }
.story__photo img { aspect-ratio: 4 / 3; }

/* ===== 3. 年表（C04） ===== */
.history { position: relative; padding: 96px 20px; background: var(--c-pale); overflow: hidden; }
.history__head { display: flex; gap: 24px; align-items: flex-start; margin-bottom: 40px; }
.history__river { display: none; }
.era { position: relative; padding: 32px 0 32px 24px; border-left: 1px solid var(--c-mizu); }
.era::before { content: ""; position: absolute; left: -6px; top: 48px; width: 11px; height: 11px; border-radius: 50%; background: var(--c-indigo); }
.era__name { font-family: var(--font-ja); font-size: clamp(64px, 9vw, 140px); line-height: 1; letter-spacing: .1em; color: var(--c-indigo); }
.era__sub { font-family: var(--font-en); font-style: italic; font-size: 19px; color: var(--c-accent-text); margin: 8px 0 12px; }
.era h3 { font-family: var(--font-ja); font-size: 22px; letter-spacing: .1em; color: var(--c-indigo); margin-bottom: 6px; }
.era img { margin-top: 20px; width: 100%; max-width: 420px; aspect-ratio: 3 / 2; object-fit: cover; }

/* ===== 4. 造り ===== */
.craft { padding: 96px 20px; }
.craft__head { display: flex; gap: 24px; margin-bottom: 48px; }
.craft__list { display: grid; gap: 72px; }
.craft__item .plates { margin: 0 36px 56px 0; }
.craft__item img { aspect-ratio: 4 / 3; }
.craft__no { font-family: var(--font-ja); font-size: 40px; line-height: 1; color: var(--c-accent-text); }
.craft__item h3 { font-family: var(--font-ja); font-size: 30px; letter-spacing: .2em; color: var(--c-indigo); margin: 8px 0; }

/* ===== 5. お酒（スライド） ===== */
.sake { padding: 96px 0; background: #fff; overflow: hidden; }
.sake__head { padding: 0 20px; margin-bottom: 40px; }
.sake__lead { margin-top: 12px; color: var(--c-sub); }
.bottle { background: var(--c-bg); padding: 36px 24px 28px; display: grid; justify-items: center; text-align: center; border-top: 2px solid var(--c-indigo); }
.bottle__svg { width: 90px; height: 195px; }
.bottle__body { margin-top: 20px; }
.bottle__kind { font-size: 15px; color: var(--c-accent-text); letter-spacing: .2em; }
.bottle h3 { font-family: var(--font-ja); font-size: 34px; letter-spacing: .3em; color: var(--c-indigo); margin: 4px 0 8px; padding-left: .3em; }
.bottle__price { margin-top: 12px; font-size: 15px; color: var(--c-sub); }
.slider__viewport { overflow-x: auto; scroll-snap-type: x mandatory; padding: 0 20px 16px; }
.slider__track { display: flex; gap: 16px; width: max-content; }
.slider__item { width: 72vw; max-width: 340px; flex: none; scroll-snap-align: center; }
.slider.is-swiper .slider__viewport { overflow: hidden; scroll-snap-type: none; }
.slider.is-swiper .slider__track { gap: 0; width: auto; }
.slider.is-swiper .slider__item { width: auto; max-width: none; }
.slider__ctrl { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 24px; flex-wrap: wrap; padding: 0 20px; }
.slider__ctrl[hidden] { display: none; }
.slider__arrow { width: 52px; height: 52px; border-radius: 50%; border: 1px solid var(--c-indigo); background: transparent; color: var(--c-indigo); cursor: pointer; position: relative; transition: background-color .4s, color .4s; }
.slider__arrow::before { content: ""; position: absolute; left: 50%; top: 50%; width: 9px; height: 9px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: translate(-65%, -50%) rotate(45deg); }
.slider__prev::before { transform: translate(-35%, -50%) rotate(-135deg); }
.slider__arrow:hover, .slider__arrow:focus-visible { background: var(--c-indigo); color: #fff; }
.slider__arrow.swiper-button-disabled { opacity: .35; }
.slider__dots, .slider__dots.swiper-pagination-horizontal { position: static; width: auto; transform: none; } 
.slider__dots { display: flex; }
.slider__dots .swiper-pagination-bullet { width: 28px; height: 44px; margin: 0 !important; background: transparent; opacity: 1; position: relative; border-radius: 0; }
.slider__dots .swiper-pagination-bullet::before { content: ""; position: absolute; left: 10px; top: 18px; width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--c-indigo); }
.slider__dots .swiper-pagination-bullet-active::before { background: var(--c-indigo); }
.slider__pause { min-height: 44px; padding: 0 16px; margin-left: 8px; border: 0; border-bottom: 1px solid currentColor; background: transparent; color: var(--c-indigo); font: inherit; font-size: 15px; cursor: pointer; }

/* ===== 6. 蔵見学（藍） ===== */
.visit { background: var(--c-indigo); color: #e8eff5; padding: 96px 20px; }
.visit__inner { display: grid; gap: 32px; max-width: 1000px; }
.visit__inner > * { min-width: 0; }
.visit__cols { display: grid; gap: 20px; }
.visit__box { border: 1px solid rgba(185, 210, 230, .4); padding: 28px; }
.visit__box h3 { font-family: var(--font-ja); font-size: 24px; letter-spacing: .2em; color: #fff; margin-bottom: 8px; }
.visit__box .btn { margin-top: 20px; }
.visit__addr { font-size: 15px; color: var(--c-mizu-text); }
@media (min-width: 768px) { .visit__cols { grid-template-columns: 1fr 1fr; } }

/* ===== 進み具合（横に動くときだけ） ===== */
.progress { position: fixed; z-index: 40; left: 32px; right: 32px; bottom: 14px; padding: 6px 18px; background: rgba(243, 246, 248, .88); display: flex; align-items: center; gap: 24px; color: var(--c-indigo); pointer-events: none; }
.progress[hidden] { display: none; }
.progress__no { font-family: var(--font-en); font-size: 18px; letter-spacing: .1em; white-space: nowrap; }
.progress__bar { flex: 1; height: 1px; background: var(--c-line); position: relative; }
.progress__bar span { position: absolute; left: 0; top: -1px; height: 3px; width: 0; background: var(--c-indigo); }
.progress.is-dark { color: #fff; background: rgba(31, 58, 95, .88); }
.progress.is-dark .progress__bar { background: rgba(255, 255, 255, .3); }
.progress.is-dark .progress__bar span { background: #fff; }
.progress__era { font-family: var(--font-ja); font-size: 20px; letter-spacing: .2em; white-space: nowrap; min-width: 6em; text-align: right; }

.footer { background: #142a47; color: #dfe9f2; padding: 64px 20px 32px; text-align: center; font-size: 15px; }
.footer__logo { font-family: var(--font-ja); font-size: 28px; letter-spacing: .3em; color: #fff; }
.footer__nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 0 24px; margin: 20px 0; }
.footer__nav a { display: flex; align-items: center; min-height: 44px; text-decoration: none; }
.footer__fiction { margin-top: 20px; }

/* ===== PCで横に動く形（JSが .is-hs を付けたときだけ） ===== */
.is-hs .hs { height: 100vh; overflow: hidden; }
.is-hs .hs__track { display: flex; height: 100vh; width: max-content; }
.is-hs .panel { flex: none; height: 100vh; }
.is-hs .hero { width: 100vw; }
.is-hs .story { width: 96vw; padding: 120px 6vw 96px; grid-template-columns: auto 1fr; gap: 6vw; align-items: center; }
.is-hs .story__text { grid-template-columns: auto minmax(0, 22em); }
.is-hs .story__photo img { height: 60vh; aspect-ratio: auto; }
.is-hs .history { display: flex; align-items: center; gap: 6vw; padding: 110px 8vw 110px 6vw; }
.is-hs .history__head { margin: 0; flex: none; }
.is-hs .history__river { display: block; position: absolute; left: 0; right: 0; top: 50%; width: 100%; height: 200px; transform: translateY(-50%); stroke: var(--c-mizu); }
.is-hs .history__list { position: relative; display: flex; gap: 5vw; align-items: center; }
.is-hs .era { width: 30vw; max-width: 460px; border-left: 0; border-top: 1px solid var(--c-mizu); padding: 28px 0 0; }
.is-hs .era::before { left: 0; top: -6px; }
.is-hs .era:nth-child(even) { align-self: flex-start; }
.is-hs .era__name { opacity: 0; transform: translateY(30px); transition: opacity 1.2s var(--ease), transform 1.2s var(--ease); }
.is-hs .era.is-in .era__name { opacity: 1; transform: none; }
.is-hs .era img { max-height: 24vh; width: auto; max-width: 100%; }
.is-hs .craft { display: flex; align-items: center; gap: 5vw; padding: 110px 6vw; }
.is-hs .craft__head { margin: 0; flex: none; }
.is-hs .craft__list { display: flex; gap: 5vw; }
.is-hs .craft__item { width: 26vw; }
.is-hs .craft__item img { height: 40vh; aspect-ratio: auto; }
.is-hs .craft__item .plates { margin-bottom: 48px; }
.is-hs .sake { width: 100vw; display: flex; flex-direction: column; justify-content: center; padding: 96px 0 76px; }
.is-hs .sake__head { margin-bottom: 20px; display: flex; align-items: baseline; gap: 28px; }
.is-hs .sake__head .en { margin: 0; }
.is-hs .sake__lead { margin: 0; }
.is-hs .slider__ctrl { margin-top: 12px; }
.is-hs .sake__head { padding: 0 6vw; }
.is-hs .sake .slider__viewport { padding: 0 6vw; }
.is-hs .bottle { padding: 28px 24px 24px; }
.is-hs .bottle__svg { height: 17vh; width: auto; }
.is-hs .bottle__body { margin-top: 12px; }
.is-hs .bottle h3 { font-size: 28px; }
.is-hs .visit { width: 100vw; display: flex; align-items: center; padding: 100px 8vw; }
.is-hs .visit__inner { grid-template-columns: auto 1fr; gap: 6vw; align-items: center; }
.is-hs .visit__inner > .en, .is-hs .visit__cols, .is-hs .visit__addr { grid-column: 2; }
.is-hs .visit .vtitle { grid-column: 1; grid-row: 1 / span 3; }

@media (min-width: 900px) {
  .story { grid-template-columns: 1fr 1fr; align-items: center; padding: 140px 6vw; }
  .craft__list { grid-template-columns: repeat(3, 1fr); gap: 48px; }
  .sake__head { padding: 0 6vw; }
}

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