/* =========================================================
   民宿温泉 — Minshuku Onsen
   和紙・藍・朱・墨をモチーフにしたスタイルシート
   ========================================================= */

:root {
  --sumi: #1f1c1a;          /* 墨 */
  --sumi-soft: #4a4440;
  --washi: #f7f2e8;         /* 和紙 */
  --washi-deep: #ede4d3;
  --kinari: #fbf8f2;        /* 生成り */
  --ai: #1e3550;            /* 藍 */
  --ai-deep: #13243a;
  --ai-soft: #3c5a7d;
  --shu: #b4432a;           /* 朱 */
  --shu-deep: #8f321d;
  --matcha: #6b7c4b;        /* 抹茶 */
  --kin: #b08d57;           /* 金茶 */
  --line: rgba(31, 28, 26, .14);
  --shadow: 0 18px 40px -18px rgba(19, 36, 58, .35);
  --radius: 4px;
  --header-h: 76px;
  --container: 1160px;
  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --ease: cubic-bezier(.22, .8, .24, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.95;
  letter-spacing: .04em;
  color: var(--sumi);
  background-color: var(--washi);
  /* 和紙の繊維を思わせるノイズ */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .38 0 0 0 0 .28 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--ai); text-decoration-thickness: 1px; text-underline-offset: .25em; }
a:hover { color: var(--shu); }
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; line-height: 1.5; letter-spacing: .08em; margin: 0 0 .6em; }
p { margin: 0 0 1.2em; }
ul, ol { padding-left: 1.3em; }
:focus-visible { outline: 2px solid var(--shu); outline-offset: 3px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--sumi); color: #fff; padding: .6em 1em; border-radius: var(--radius);
  transition: top .2s;
}
.skip-link:focus { top: 12px; color: #fff; }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.container--narrow { width: min(100% - 32px, 820px); margin-inline: auto; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  color: #fff;
  transition: background-color .4s var(--ease), box-shadow .4s, color .4s;
}
.site-header.is-solid,
.site-header--solid {
  background: rgba(247, 242, 232, .94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--sumi);
  box-shadow: 0 1px 0 var(--line);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: min(100% - 32px, 1280px); margin-inline: auto; }

.brand { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; }
.brand:hover { color: inherit; }
.brand__mark { width: 42px; height: 42px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__name { font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700; letter-spacing: .22em; }
.brand__sub { font-size: .62rem; letter-spacing: .32em; opacity: .75; }

.nav__list { display: flex; gap: clamp(14px, 2vw, 30px); list-style: none; margin: 0; padding: 0; align-items: center; }
.nav__link {
  position: relative; color: inherit; text-decoration: none;
  font-size: .9rem; letter-spacing: .14em; padding: .4em 0;
}
.nav__link::after {
  content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 1px;
  background: currentColor; transition: width .35s var(--ease), left .35s var(--ease);
}
.nav__link:hover { color: inherit; }
.nav__link:hover::after, .nav__link[aria-current="page"]::after { width: 100%; left: 0; }
.nav__link[aria-current="page"] { font-weight: 700; }
.nav__cta {
  display: inline-block; padding: .55em 1.4em; border-radius: 2px;
  background: var(--shu); color: #fff !important; text-decoration: none;
  font-size: .88rem; letter-spacing: .18em; transition: background .3s;
}
.nav__cta:hover { background: var(--shu-deep); }

.nav-toggle {
  display: none; width: 46px; height: 46px; border: 0; background: transparent; color: inherit;
  cursor: pointer; position: relative; z-index: 120;
}
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: currentColor; transition: transform .35s var(--ease), opacity .3s; }
.nav-toggle span:nth-child(1) { top: 16px; }
.nav-toggle span:nth-child(2) { top: 22px; }
.nav-toggle span:nth-child(3) { top: 28px; }
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: 0; z-index: 110;
    background: var(--ai-deep); color: #fff;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility .4s;
  }
  .nav-open .nav { opacity: 1; visibility: visible; }
  .nav-open .site-header { color: #fff; }
  .nav__list { flex-direction: column; gap: 22px; text-align: center; }
  .nav__link { font-family: var(--font-serif); font-size: 1.25rem; }
  .nav__cta { margin-top: 10px; font-size: 1rem; }
  body.nav-open { overflow: hidden; }
}

/* ---------- ヒーロー（トップ） ---------- */
.hero {
  position: relative; min-height: 100svh; min-height: 100vh;
  display: grid; place-items: center;
  color: #fff; overflow: hidden; isolation: isolate;
  background: var(--ai-deep);
}
@supports (min-height: 100svh) { .hero { min-height: 100svh; } }
.hero__bg {
  position: absolute; inset: 0; z-index: -3;
  width: 100%; height: 100%; object-fit: cover;
  animation: heroZoom 26s ease-out both;
}
@keyframes heroZoom { from { transform: scale(1.12); } to { transform: scale(1); } }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background: linear-gradient(180deg, rgba(10,18,32,.45) 0%, rgba(10,18,32,0) 30%, rgba(10,18,32,0) 60%, rgba(10,18,32,.55) 100%);
}
.season-canvas { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; pointer-events: none; }

.hero__content {
  display: flex; flex-direction: row-reverse; align-items: flex-start; gap: clamp(20px, 4vw, 56px);
  padding: calc(var(--header-h) + 20px) 16px 120px;
}
.hero__catch {
  writing-mode: vertical-rl; text-orientation: upright;
  font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(1.9rem, 4.6vw, 3.4rem); letter-spacing: .32em; line-height: 1.7;
  margin: 0; text-shadow: 0 2px 24px rgba(0,0,0,.35);
}
.hero__catch span { display: block; opacity: 0; animation: inkIn 1.6s var(--ease) forwards; }
.hero__catch span:nth-child(2) { margin-top: 2.2em; animation-delay: .6s; }
@keyframes inkIn { from { opacity: 0; filter: blur(10px); transform: translateY(-18px); } to { opacity: 1; filter: blur(0); transform: none; } }

.hero__lead {
  writing-mode: vertical-rl;
  font-family: var(--font-serif); font-size: clamp(.82rem, 1.2vw, .98rem);
  letter-spacing: .3em; line-height: 2.4; margin: 3.5em 0 0;
  opacity: 0; animation: inkIn 1.6s var(--ease) 1.2s forwards;
}
.hero__title {
  position: absolute; left: clamp(16px, 4vw, 56px); bottom: clamp(36px, 7vh, 72px);
  margin: 0; font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(.8rem, 1.1vw, .92rem); letter-spacing: .26em; line-height: 1.9;
  opacity: 0; animation: inkIn 1.4s var(--ease) 1.8s forwards;
}
.hero__title strong { display: block; font-size: 2.1em; letter-spacing: .3em; font-weight: 700; }
.hero__seal {
  display: inline-grid; place-items: center; width: 2.4em; height: 2.4em; margin-left: .6em;
  border: 1.5px solid var(--shu); color: #fff; background: var(--shu); border-radius: 3px;
  font-size: .7em; letter-spacing: 0; vertical-align: middle; writing-mode: horizontal-tb;
}
.scroll-hint {
  position: absolute; right: clamp(16px, 4vw, 56px); bottom: 0; height: 110px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: .64rem; letter-spacing: .3em; color: #fff; text-decoration: none; writing-mode: vertical-rl;
}
.scroll-hint::after {
  content: ""; width: 1px; height: 60px; background: linear-gradient(#fff, transparent);
  animation: scrollLine 2.2s ease-in-out infinite; transform-origin: top;
}
.scroll-hint:hover { color: #fff; }
@keyframes scrollLine { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

@media (max-width: 640px) {
  .hero__content { padding-bottom: 170px; }
  .hero__lead { display: none; }
  .hero__bg { object-position: 68% 50%; }
}

/* 湯けむり */
.steam { position: absolute; left: 0; right: 0; bottom: 6%; height: 45%; z-index: -1; pointer-events: none; }
.steam span {
  position: absolute; bottom: 0; width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.38) 0%, rgba(255,255,255,0) 68%);
  filter: blur(14px); opacity: 0; animation: steam 9s ease-in infinite;
}
.steam span:nth-child(1) { left: 8%;  animation-delay: 0s; }
.steam span:nth-child(2) { left: 22%; animation-delay: 2.2s; width: 280px; height: 280px; }
.steam span:nth-child(3) { left: 38%; animation-delay: 4.1s; }
.steam span:nth-child(4) { left: 52%; animation-delay: 1.2s; width: 300px; height: 300px; }
.steam span:nth-child(5) { left: 68%; animation-delay: 5.6s; }
.steam span:nth-child(6) { left: 80%; animation-delay: 3.3s; width: 260px; height: 260px; }
@keyframes steam {
  0%   { opacity: 0; transform: translate(0, 40px) scale(.6); }
  25%  { opacity: .9; }
  100% { opacity: 0; transform: translate(-40px, -320px) scale(1.6); }
}

/* ---------- 下層ページのヒーロー ---------- */
.page-hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: clamp(360px, 58vh, 560px);
  display: flex; align-items: flex-end;
  color: #fff; background: var(--ai-deep);
  padding: calc(var(--header-h) + 40px) 0 56px;
}
.page-hero__bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; animation: heroZoom 18s ease-out both; }
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(10,18,32,.5), rgba(10,18,32,.1) 40%, rgba(10,18,32,.65)); }
.page-hero__en { font-size: .72rem; letter-spacing: .5em; text-transform: uppercase; opacity: .85; margin-bottom: .6em; }
.page-hero h1 { font-size: clamp(1.9rem, 4.4vw, 3rem); letter-spacing: .24em; margin: 0 0 .3em; text-shadow: 0 2px 20px rgba(0,0,0,.3); }
.page-hero p { max-width: 36em; margin: 0; opacity: .92; }

.breadcrumb { margin-top: 26px; font-size: .78rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .4em; list-style: none; margin: 0; padding: 0; }
.breadcrumb li + li::before { content: "／"; margin-right: .4em; opacity: .6; }
.breadcrumb a { color: #fff; opacity: .85; }
.breadcrumb [aria-current] { opacity: .75; }

/* ---------- セクション ---------- */
.section { padding: clamp(72px, 11vw, 140px) 0; position: relative; }
.section--tight { padding: clamp(56px, 8vw, 96px) 0; }
.section--kinari { background: var(--kinari); }
.section--ai { background: var(--ai); color: #f1ece2; }
.section--ai a { color: #f4d9b0; }
.section--sumi { background: var(--sumi); color: #eee6d8; }

.section-head { text-align: center; margin-bottom: clamp(40px, 6vw, 72px); }
.section-head__en {
  display: block; font-family: var(--font-serif); font-size: .74rem; letter-spacing: .5em;
  color: var(--shu); text-transform: uppercase; margin-bottom: .8em;
}
.section--ai .section-head__en, .section--sumi .section-head__en { color: #e6a98f; }
.section-head h2 { font-size: clamp(1.55rem, 3.2vw, 2.25rem); letter-spacing: .2em; margin: 0; }
.section-head h2::after {
  content: ""; display: block; width: 46px; height: 12px; margin: 22px auto 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 46 12'%3E%3Cpath d='M1 7c6-6 10 4 15-1s9-4 14 0 9 2 15-3' fill='none' stroke='%23b4432a' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;
}
.section-head p { max-width: 40em; margin: 26px auto 0; color: var(--sumi-soft); }
.section--ai .section-head p, .section--sumi .section-head p { color: #d8d0c2; }
.section-head--left { text-align: left; }
.section-head--left h2::after { margin-left: 0; }

.lead { font-family: var(--font-serif); font-size: clamp(1.05rem, 1.8vw, 1.22rem); line-height: 2.2; }

/* 縦書きブロック */
.tategaki {
  writing-mode: vertical-rl; font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.15rem); line-height: 2.4; letter-spacing: .18em;
  max-height: 30em; margin-inline: auto;
}
.tategaki h2 { font-size: 1.7em; letter-spacing: .3em; margin: 0 0 0 1.2em; }

/* ---------- 2カラム ---------- */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.split--reverse > :first-child { order: 2; }
.split__media { position: relative; }
.split__media img, .frame img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.split__media::before {
  content: ""; position: absolute; inset: 18px -18px -18px 18px; z-index: -1;
  border: 1px solid var(--kin); border-radius: var(--radius);
}
.split--reverse .split__media::before { inset: 18px 18px -18px -18px; }
.split__body h2, .split__body h3 { font-size: clamp(1.35rem, 2.6vw, 1.85rem); }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .split--reverse > :first-child { order: 0; }
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .9em;
  padding: 1em 2.2em; border-radius: 2px; border: 1px solid currentColor;
  font-size: .9rem; letter-spacing: .2em; text-decoration: none; color: var(--sumi);
  background: transparent; cursor: pointer; font-family: inherit;
  transition: background .35s var(--ease), color .35s, border-color .35s;
}
.btn::after { content: ""; width: 26px; height: 1px; background: currentColor; transition: width .35s var(--ease); }
.btn:hover { background: var(--sumi); color: var(--washi); border-color: var(--sumi); }
.btn:hover::after { width: 38px; }
.btn--shu { background: var(--shu); border-color: var(--shu); color: #fff; }
.btn--shu:hover { background: var(--shu-deep); border-color: var(--shu-deep); color: #fff; }
.btn--light { color: #fff; }
.btn--light:hover { background: #fff; color: var(--ai); border-color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ---------- 特徴カード ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); }
.feature {
  position: relative; background: var(--kinari); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.feature__img { aspect-ratio: 4 / 3; overflow: hidden; }
.feature__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.feature:hover .feature__img img { transform: scale(1.06); }
.feature__body { padding: 28px 28px 32px; flex: 1; display: flex; flex-direction: column; }
.feature__num { font-family: var(--font-serif); color: var(--shu); font-size: .8rem; letter-spacing: .3em; }
.feature h3 { font-size: 1.3rem; margin: .3em 0 .7em; }
.feature p { font-size: .93rem; color: var(--sumi-soft); }
.feature__link { margin-top: auto; font-size: .85rem; letter-spacing: .16em; text-decoration: none; display: inline-flex; gap: .6em; align-items: center; }
.feature__link::after { content: "→"; transition: transform .3s; }
.feature:hover .feature__link::after { transform: translateX(4px); }
@media (max-width: 900px) { .features { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; } }

/* ---------- 四季 ---------- */
.seasons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; border-radius: var(--radius); overflow: hidden; }
.season {
  position: relative; min-height: 360px; padding: 34px 26px; color: #fff;
  display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; isolation: isolate;
}
.season::before { content: ""; position: absolute; inset: 0; z-index: -1; transition: transform 1s var(--ease); }
.season:hover::before { transform: scale(1.08); }
.season--spring::before { background: radial-gradient(circle at 70% 25%, #f7d6dc 0 12%, transparent 13%), radial-gradient(circle at 30% 30%, #f3c3cc 0 8%, transparent 9%), linear-gradient(160deg, #e7a9b5, #a86478 70%, #6d3d53); }
.season--summer::before { background: radial-gradient(circle at 75% 20%, rgba(255,255,200,.5) 0 3%, transparent 4%), radial-gradient(circle at 40% 45%, rgba(255,255,180,.6) 0 1.5%, transparent 2.5%), linear-gradient(160deg, #6f9c7a, #2f5e52 60%, #1b3a3a); }
.season--autumn::before { background: radial-gradient(circle at 70% 30%, #e7953f 0 10%, transparent 11%), radial-gradient(circle at 25% 22%, #c8492b 0 9%, transparent 10%), linear-gradient(160deg, #d27a3a, #9a3a22 60%, #4e1f17); }
.season--winter::before { background: radial-gradient(circle at 30% 25%, #fff 0 1.2%, transparent 2%), radial-gradient(circle at 70% 40%, #fff 0 1%, transparent 1.8%), radial-gradient(circle at 50% 15%, #fff 0 .8%, transparent 1.5%), linear-gradient(160deg, #a6b8cc, #5c7491 60%, #2b3b55); }
.season__kanji { position: absolute; top: 18px; right: 22px; font-family: var(--font-serif); font-size: 4.4rem; line-height: 1; opacity: .3; writing-mode: vertical-rl; }
.season h3 { font-size: 1.2rem; margin-bottom: .4em; }
.season p { font-size: .86rem; margin: 0; opacity: .94; line-height: 1.85; }
@media (max-width: 960px) { .seasons { grid-template-columns: repeat(2, 1fr); } .season { min-height: 280px; } }
@media (max-width: 520px) { .seasons { grid-template-columns: 1fr; } }

/* ---------- 一日の流れ ---------- */
.flow { list-style: none; margin: 0; padding: 0; position: relative; display: grid; gap: 0; }
.flow::before { content: ""; position: absolute; left: 92px; top: 10px; bottom: 10px; width: 1px; background: rgba(255,255,255,.25); }
.flow li { display: grid; grid-template-columns: 76px 1fr; gap: 34px; padding: 18px 0; position: relative; }
.flow li::before { content: ""; position: absolute; left: 88px; top: 30px; width: 9px; height: 9px; border-radius: 50%; background: #e6a98f; box-shadow: 0 0 0 5px rgba(230,169,143,.18); }
.flow time { font-family: var(--font-serif); font-size: 1.25rem; text-align: right; letter-spacing: .06em; }
.flow h3 { font-size: 1.08rem; margin: 0 0 .25em; }
.flow p { margin: 0; font-size: .92rem; color: #d8d0c2; }
@media (max-width: 560px) {
  .flow::before { left: 64px; }
  .flow li { grid-template-columns: 52px 1fr; gap: 28px; }
  .flow li::before { left: 60px; }
  .flow time { font-size: 1rem; }
}

/* ---------- お知らせ ---------- */
.news { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.news li { border-bottom: 1px solid var(--line); }
.news a, .news .news__row { display: grid; grid-template-columns: 120px 90px 1fr; gap: 16px; align-items: baseline; padding: 20px 6px; color: inherit; text-decoration: none; transition: background .3s; }
.news a:hover { background: rgba(176,141,87,.08); color: inherit; }
.news time { font-family: var(--font-serif); color: var(--sumi-soft); font-size: .92rem; }
.tag { display: inline-block; font-size: .7rem; letter-spacing: .14em; padding: .15em .8em; border: 1px solid var(--shu); color: var(--shu); border-radius: 2px; text-align: center; }
@media (max-width: 600px) { .news a, .news .news__row { grid-template-columns: auto auto; } .news__title { grid-column: 1 / -1; } }

/* ---------- CTA帯 ---------- */
.cta-band {
  position: relative; isolation: isolate; overflow: hidden; color: #fff; text-align: center;
  padding: clamp(80px, 12vw, 140px) 0; background: var(--ai-deep);
}
.cta-band__bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.cta-band::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse at center, rgba(19,36,58,.4), rgba(19,36,58,.85)); }
.cta-band h2 { font-size: clamp(1.5rem, 3.4vw, 2.4rem); letter-spacing: .22em; }
.cta-band p { opacity: .9; }
.cta-band .btn-row { justify-content: center; }
.cta-tel { font-family: var(--font-serif); font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: .12em; color: #fff; text-decoration: none; display: inline-block; margin-top: 8px; }
.cta-tel:hover { color: #f4d9b0; }
.cta-tel small { display: block; font-size: .8rem; letter-spacing: .2em; opacity: .8; font-family: var(--font-sans); }

/* ---------- テーブル ---------- */
.table-wrap { overflow-x: auto; }
.spec { width: 100%; border-collapse: collapse; font-size: .95rem; background: var(--kinari); }
.spec th, .spec td { padding: 16px 20px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec th { width: 30%; min-width: 120px; font-family: var(--font-serif); font-weight: 600; background: rgba(176,141,87,.1); letter-spacing: .12em; }
.spec caption { caption-side: bottom; text-align: left; font-size: .8rem; color: var(--sumi-soft); padding-top: 12px; }
.spec--center td, .spec--center th { text-align: center; }
@media (max-width: 600px) { .spec th, .spec td { padding: 12px 12px; font-size: .88rem; } .spec th { min-width: 96px; } }

/* ---------- お風呂カード ---------- */
.baths { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.bath { background: var(--kinari); border-top: 3px solid var(--ai); padding: 34px 28px; border-radius: var(--radius); box-shadow: 0 1px 0 var(--line); }
.bath__kind { font-size: .74rem; letter-spacing: .26em; color: var(--shu); }
.bath h3 { font-size: 1.35rem; margin: .4em 0 .6em; }
.bath dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: .86rem; margin: 18px 0 0; padding-top: 16px; border-top: 1px dashed var(--line); }
.bath dt { color: var(--sumi-soft); }
.bath dd { margin: 0; }
@media (max-width: 900px) { .baths { grid-template-columns: 1fr; } }

/* マナー */
.manners { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; counter-reset: m; list-style: none; padding: 0; margin: 0; }
.manners li { counter-increment: m; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); padding: 26px 22px; border-radius: var(--radius); }
.manners li::before { content: counter(m, cjk-ideographic); display: block; font-family: var(--font-serif); font-size: 1.6rem; color: #e6a98f; margin-bottom: 6px; }
.manners h3 { font-size: 1rem; margin: 0 0 .4em; }
.manners p { font-size: .88rem; margin: 0; color: #d8d0c2; }

/* ---------- お部屋 ---------- */
.room-filter { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; }
.room-filter button {
  font-family: inherit; font-size: .86rem; letter-spacing: .12em; padding: .55em 1.4em;
  background: transparent; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; color: var(--sumi);
  transition: all .3s;
}
.room-filter button:hover { border-color: var(--sumi); }
.room-filter button[aria-pressed="true"] { background: var(--ai); border-color: var(--ai); color: #fff; }

.rooms { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px; }
.room { background: var(--kinari); border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 0 var(--line); display: flex; flex-direction: column; transition: opacity .4s, transform .4s; }
.room[hidden] { display: none; }
.room__img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.room__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.room:hover .room__img img { transform: scale(1.05); }
.room__badge { position: absolute; top: 16px; left: 16px; background: var(--shu); color: #fff; font-size: .74rem; letter-spacing: .16em; padding: .3em 1em; border-radius: 2px; }
.room__body { padding: 30px 30px 34px; display: flex; flex-direction: column; flex: 1; }
.room__name { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.room__name h3 { font-size: 1.5rem; margin: 0; }
.room__name span { font-size: .78rem; letter-spacing: .2em; color: var(--sumi-soft); }
.room__meta { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 14px 0 18px; }
.room__meta li { font-size: .76rem; padding: .25em .9em; background: var(--washi-deep); border-radius: 2px; letter-spacing: .08em; }
.room p { font-size: .93rem; color: var(--sumi-soft); }
.room__price { margin-top: auto; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding-top: 18px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.room__price strong { font-family: var(--font-serif); font-size: 1.6rem; color: var(--shu); letter-spacing: .04em; }
.room__price small { font-size: .78rem; color: var(--sumi-soft); }
@media (max-width: 860px) { .rooms { grid-template-columns: 1fr; } }

.amenities { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; list-style: none; padding: 0; margin: 0; }
.amenities li { display: flex; align-items: center; gap: 10px; padding: 16px 18px; background: var(--kinari); border: 1px solid var(--line); border-radius: var(--radius); font-size: .9rem; }
.amenities svg { width: 22px; height: 22px; flex: none; color: var(--ai-soft); }

/* ---------- お料理 ---------- */
.course { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; }
.course li { display: grid; grid-template-columns: 4.5em 1fr; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.course__label { font-family: var(--font-serif); color: var(--shu); letter-spacing: .3em; font-size: .95rem; }
.course h3 { font-size: 1.05rem; margin: 0 0 .2em; }
.course p { margin: 0; font-size: .88rem; color: var(--sumi-soft); }
@media (max-width: 760px) { .course { grid-template-columns: 1fr; } }

.seasonal-menu { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.seasonal-menu article { text-align: center; padding: 32px 18px; background: var(--kinari); border-radius: var(--radius); border: 1px solid var(--line); }
.seasonal-menu .kanji { font-family: var(--font-serif); font-size: 2.6rem; line-height: 1; display: block; margin-bottom: 14px; }
.seasonal-menu h3 { font-size: 1rem; }
.seasonal-menu p { font-size: .86rem; color: var(--sumi-soft); margin: 0; }
.kanji--spring { color: #c06c84; } .kanji--summer { color: #3f7a63; } .kanji--autumn { color: var(--shu); } .kanji--winter { color: var(--ai-soft); }
@media (max-width: 860px) { .seasonal-menu { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 年表 ---------- */
.history { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--kin); }
.history li { position: relative; padding: 0 0 36px 34px; }
.history li::before { content: ""; position: absolute; left: -6px; top: 10px; width: 11px; height: 11px; border-radius: 50%; background: var(--washi); border: 2px solid var(--shu); }
.history time { font-family: var(--font-serif); font-size: 1.1rem; color: var(--shu); letter-spacing: .08em; }
.history h3 { font-size: 1.05rem; margin: .2em 0 .3em; }
.history p { font-size: .9rem; color: var(--sumi-soft); margin: 0; }

.facilities { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.facility { padding: 28px 26px; background: var(--kinari); border: 1px solid var(--line); border-radius: var(--radius); }
.facility h3 { font-size: 1.08rem; display: flex; align-items: center; gap: 10px; }
.facility h3::before { content: ""; width: 8px; height: 8px; background: var(--shu); transform: rotate(45deg); }
.facility p { margin: 0; font-size: .88rem; color: var(--sumi-soft); }

.signature { text-align: right; font-family: var(--font-serif); margin-top: 2em; }
.signature strong { font-size: 1.3rem; letter-spacing: .3em; margin-left: .6em; }

/* ---------- アクセス ---------- */
.map { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--washi-deep); }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: saturate(.75) sepia(.12); }
.routes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.route { background: var(--kinari); padding: 34px 30px; border-radius: var(--radius); border: 1px solid var(--line); }
.route h3 { display: flex; align-items: center; gap: 12px; font-size: 1.2rem; }
.route h3 svg { width: 30px; height: 30px; color: var(--shu); }
.steps { list-style: none; padding: 0; margin: 0; }
.steps li { position: relative; padding: 10px 0 10px 26px; font-size: .92rem; }
.steps li::before { content: ""; position: absolute; left: 4px; top: 20px; width: 8px; height: 8px; border-radius: 50%; background: var(--ai-soft); }
.steps li:not(:last-child)::after { content: ""; position: absolute; left: 7.5px; top: 30px; bottom: -10px; width: 1px; background: var(--line); }
.steps .dur { display: inline-block; font-size: .76rem; color: var(--shu); margin-left: .5em; }
@media (max-width: 860px) { .routes { grid-template-columns: 1fr; } }

.spots { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; list-style: none; padding: 0; margin: 0; }
.spot { padding: 26px; background: var(--kinari); border-left: 3px solid var(--matcha); border-radius: 0 var(--radius) var(--radius) 0; }
.spot h3 { font-size: 1.05rem; margin: 0 0 .3em; }
.spot .dist { font-size: .78rem; color: var(--matcha); letter-spacing: .1em; }
.spot p { margin: .4em 0 0; font-size: .88rem; color: var(--sumi-soft); }

/* ---------- ご予約フォーム ---------- */
.reserve-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 960px) { .reserve-grid { grid-template-columns: 1fr; } }
.form { background: var(--kinari); padding: clamp(26px, 4vw, 48px); border-radius: var(--radius); box-shadow: 0 1px 0 var(--line); }
.form fieldset { border: 0; padding: 0; margin: 0 0 30px; }
.form legend { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600; letter-spacing: .14em; margin-bottom: 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line); width: 100%; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.field label, .field .label { font-size: .86rem; font-weight: 700; letter-spacing: .08em; }
.req { display: inline-block; margin-left: .5em; font-size: .68rem; color: #fff; background: var(--shu); padding: .05em .55em; border-radius: 2px; font-weight: 400; vertical-align: 1px; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem; letter-spacing: .02em; color: var(--sumi);
  padding: .8em .9em; border: 1px solid rgba(31,28,26,.25); border-radius: var(--radius);
  background: #fff; width: 100%; transition: border-color .25s, box-shadow .25s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ai-soft); box-shadow: 0 0 0 3px rgba(60,90,125,.18); }
.field textarea { min-height: 140px; resize: vertical; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--shu); }
.field__error { font-size: .8rem; color: var(--shu); min-height: 1em; }
.field__hint { font-size: .78rem; color: var(--sumi-soft); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; cursor: pointer; }
.check input { width: 18px; height: 18px; margin-top: .35em; accent-color: var(--shu); flex: none; }

.estimate { position: sticky; top: calc(var(--header-h) + 20px); background: var(--ai); color: #f1ece2; border-radius: var(--radius); padding: 34px 30px; }
.estimate h2 { font-size: 1.2rem; letter-spacing: .16em; }
.estimate dl { display: grid; grid-template-columns: auto 1fr; gap: 10px 16px; margin: 0 0 20px; font-size: .9rem; }
.estimate dt { opacity: .78; }
.estimate dd { margin: 0; text-align: right; }
.estimate__total { border-top: 1px solid rgba(255,255,255,.2); padding-top: 18px; display: flex; justify-content: space-between; align-items: baseline; }
.estimate__total strong { font-family: var(--font-serif); font-size: 2rem; color: #f4d9b0; letter-spacing: .04em; }
.estimate small { display: block; font-size: .76rem; opacity: .7; margin-top: 14px; line-height: 1.7; }

.form-done { display: none; text-align: center; padding: 40px 10px; }
.form-done.is-visible { display: block; animation: inkIn 1s var(--ease); }
.form-done__mark { width: 72px; height: 72px; margin: 0 auto 18px; color: var(--shu); }

/* FAQ */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 22px 48px 22px 46px; font-family: var(--font-serif); font-size: 1.04rem; font-weight: 600; letter-spacing: .06em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "問"; position: absolute; left: 4px; top: 20px; width: 28px; height: 28px; display: grid; place-items: center; background: var(--ai); color: #fff; font-size: .8rem; border-radius: 2px; }
.faq summary::after { content: ""; position: absolute; right: 12px; top: 50%; width: 12px; height: 12px; border-right: 1.5px solid var(--sumi); border-bottom: 1.5px solid var(--sumi); transform: translateY(-70%) rotate(45deg); transition: transform .35s var(--ease); }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq__a { position: relative; padding: 0 20px 24px 46px; color: var(--sumi-soft); font-size: .94rem; }
.faq__a::before { content: "答"; position: absolute; left: 4px; top: 0; width: 28px; height: 28px; display: grid; place-items: center; background: var(--shu); color: #fff; font-size: .8rem; border-radius: 2px; }
.faq__a p:last-child { margin: 0; }

/* お知らせ（注意書き） */
.notice { padding: 20px 24px; background: rgba(180,67,42,.07); border-left: 3px solid var(--shu); font-size: .9rem; border-radius: 0 var(--radius) var(--radius) 0; }
.notice p:last-child { margin: 0; }

/* ---------- フッター ---------- */
.site-footer { background: var(--ai-deep); color: #cfc7b8; padding: 80px 0 30px; font-size: .88rem; }
.site-footer a { color: #e9e2d4; text-decoration: none; }
.site-footer a:hover { color: #f4d9b0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
.footer-brand .brand { color: #fff; margin-bottom: 20px; }
.footer-brand address { font-style: normal; line-height: 2; }
.site-footer h2 { font-size: .9rem; letter-spacing: .3em; color: #fff; margin-bottom: 1em; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.footer-bottom { margin-top: 60px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .76rem; }
.social { display: flex; gap: 12px; margin-top: 16px; }
.social a { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; }
.social svg { width: 18px; height: 18px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr; gap: 36px; } }

/* 予約フローティングボタン（スマホ） */
.float-cta { display: none; }
@media (max-width: 640px) {
  .float-cta {
    display: flex; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 90;
    justify-content: center; align-items: center; gap: .6em; padding: 14px; border-radius: 3px;
    background: var(--shu); color: #fff; text-decoration: none; letter-spacing: .2em; font-size: .95rem;
    box-shadow: 0 10px 26px -8px rgba(0,0,0,.45);
    transform: translateY(130%); transition: transform .45s var(--ease);
  }
  .float-cta.is-visible { transform: none; }
  .float-cta:hover { color: #fff; }
  .site-footer { padding-bottom: 90px; }
}

/* ページトップ */
.to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 80; width: 48px; height: 48px; border-radius: 50%;
  border: 0; background: var(--sumi); color: #fff; cursor: pointer; opacity: 0; visibility: hidden;
  transition: opacity .4s, visibility .4s, transform .4s var(--ease); display: grid; place-items: center;
}
.to-top.is-visible { opacity: .85; visibility: visible; }
.to-top:hover { opacity: 1; transform: translateY(-3px); }
@media (max-width: 640px) { .to-top { bottom: 84px; right: 14px; width: 42px; height: 42px; } }

/* ---------- スクロール表示 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }
.no-js .reveal { opacity: 1; transform: none; }

/* 404 */
.notfound { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 120px 16px; background: var(--ai-deep); color: #fff; position: relative; overflow: hidden; isolation: isolate; }
.notfound__num { font-family: var(--font-serif); font-size: clamp(5rem, 18vw, 11rem); line-height: 1; opacity: .18; letter-spacing: .1em; }
.notfound h1 { font-size: clamp(1.4rem, 3vw, 2rem); letter-spacing: .2em; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .float-cta, .to-top, .season-canvas, .steam { display: none !important; }
  body { background: #fff; }
}