:root {
  --ink: #171717;
  --paper: #fbfaf6;
  --red: #b51f29;
  --red-dark: #8d111b;
  --gold: #c8a56a;
  --line: rgba(25, 21, 18, .14);
  --serif: "Noto Serif JP", "Yu Mincho", serif;
  --sans: "Noto Sans JP", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }

.site-header {
  height: 82px; padding: 0 clamp(24px, 5vw, 80px); display: flex; align-items: center;
  gap: 48px; background: rgba(251, 250, 246, .96); position: relative; z-index: 20;
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.brand { display: flex; align-items: center; gap: 13px; flex: 0 0 auto; }
.brand-mark { width: 44px; height: 44px; display: block; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-mark circle { fill: var(--red); }
.brand-mark path { fill: white; }
.brand-mark .snow { fill: #f3c4bd; }
.brand-name { font: 700 1.5rem/1 var(--serif); letter-spacing: .05em; }
.main-nav { display: flex; justify-content: center; gap: clamp(22px, 2.5vw, 44px); flex: 1; font-size: .9rem; font-weight: 500; }
.main-nav a { padding: 30px 0 26px; border-bottom: 2px solid transparent; }
.main-nav a:hover { color: var(--red); border-color: var(--red); }
.header-actions { display: flex; align-items: center; gap: 20px; font-size: .86rem; font-weight: 600; }
.icon-button { border: 0; background: transparent; padding: 8px; cursor: pointer; }
.icon-button svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.register { color: white; padding: 12px 21px; background: var(--red); border-radius: 999px; box-shadow: 0 8px 20px rgba(181,31,41,.22); }

.hero { height: min(700px, calc(100vh - 82px)); min-height: 590px; position: relative; overflow: hidden; background: #17202c; }
.hero-panel { position: absolute; inset-block: 0; background-position: center; background-size: cover; }
.hero-fuji { z-index: 1; left: 0; width: 47%; clip-path: polygon(0 0, 94% 0, 100% 100%, 0 100%); background-image: linear-gradient(25deg, rgba(29,18,24,.08), transparent 50%), url("images/hero-fuji-sakura.jpg"), linear-gradient(145deg,#f5c9c5,#7ca4bd 48%,#324b66); }
.hero-kyoto { z-index: 2; left: 38%; width: 32%; clip-path: polygon(0 0, 94% 0, 100% 100%, 6% 100%); background-image: linear-gradient(rgba(35,5,5,.08),rgba(35,5,5,.22)), url("images/hero-kyoto-torii.jpg"), linear-gradient(160deg,#ee7c45,#791b1d 55%,#250e12); }
.hero-tokyo { z-index: 3; left: 61%; width: 25%; clip-path: polygon(0 0, 94% 0, 100% 100%, 7% 100%); background-image: linear-gradient(rgba(5,13,27,.12),rgba(5,13,27,.28)), url("images/hero-tokyo-night.jpg"), linear-gradient(160deg,#102343,#cb483f 65%,#0a1426); }
.hero-hokkaido { z-index: 4; left: 79%; width: 21%; clip-path: polygon(0 0, 100% 0, 100% 100%, 8% 100%); background-image: linear-gradient(rgba(15,32,46,.03),rgba(15,32,46,.12)), url("images/hero-hokkaido-snow.jpg"), linear-gradient(150deg,#e8f0f4,#a7c5d7 55%,#557a90); }
.hero-shade { position: absolute; z-index: 20; inset: 0; background: linear-gradient(90deg, rgba(10,11,16,.56), transparent 51%), linear-gradient(0deg, rgba(10,10,10,.32), transparent 42%); pointer-events: none; }
.hero-copy { position: absolute; z-index: 21; left: clamp(26px, 7vw, 120px); top: 19%; color: white; text-shadow: 0 3px 22px rgba(0,0,0,.32); pointer-events: none; }
.eyebrow, .section-kicker { font-size: .68rem; letter-spacing: .28em; font-weight: 700; }
.eyebrow { display: flex; align-items: center; gap: 14px; margin: 0 0 22px; }
.eyebrow::before { content: ""; width: 40px; height: 1px; background: rgba(255,255,255,.8); }
.hero-copy h1 { margin: 0; font: 600 clamp(3.4rem, 5.4vw, 6rem)/1.25 var(--serif); letter-spacing: .08em; }
.hero-copy h1 span { display: inline-block; white-space: nowrap; }
.hero-lead { margin: 15px 0 0; font: 500 clamp(1rem, 1.5vw, 1.45rem)/1.8 var(--serif); letter-spacing: .12em; }
.season-message { position: absolute; z-index: 21; right: 3.5%; top: 14%; color: #17202c; font: 600 .95rem/2.1 var(--serif); letter-spacing: .16em; display: flex; flex-direction: column; text-align: center; pointer-events: none; }

.trip-planner { position: absolute; z-index: 22; left: 50%; bottom: 42px; transform: translateX(-50%); width: min(1120px, calc(100% - 8vw)); min-height: 98px; padding: 13px 14px 13px 26px; display: grid; grid-template-columns: 1.3fr 1.1fr .9fr auto; align-items: stretch; background: rgba(255,255,255,.96); border: 1px solid rgba(255,255,255,.72); border-radius: 18px; box-shadow: 0 24px 65px rgba(13,18,25,.3); backdrop-filter: blur(14px); }
.planner-field { min-width: 0; display: grid; grid-template-columns: 34px 1fr; align-items: center; gap: 10px; padding: 6px 24px 6px 12px; border-right: 1px solid var(--line); position: relative; }
.planner-field svg { grid-row: 1 / 3; width: 26px; fill: none; stroke: var(--ink); stroke-width: 1.7; }
.planner-field span { display: flex; flex-direction: column; align-self: end; }
.planner-field b { font-size: .76rem; }
.planner-field small { font-size: .9rem; color: #777; margin-top: 5px; white-space: nowrap; }
.planner-field select, .planner-field input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.planner-field.is-filled b { color: var(--red); }
.planner-field.is-filled small { color: var(--ink); font-weight: 600; }
.plan-button { border: 0; min-width: 210px; margin-left: 14px; border-radius: 13px; background: var(--red); color: white; font-weight: 600; letter-spacing: .06em; cursor: pointer; box-shadow: 0 12px 28px rgba(181,31,41,.25); }
.plan-button:hover { background: var(--red-dark); }
.plan-button span { margin-left: 17px; }

.content-section { max-width: 1480px; margin: 0 auto; padding: 78px clamp(24px, 5vw, 72px) 20px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 28px; }
.section-heading > div { display: grid; grid-template-columns: auto 1fr; column-gap: 24px; align-items: baseline; }
.section-kicker { color: var(--red); margin: 0 0 8px; grid-column: 1 / -1; }
.section-heading h2, .season-content h2, .stories h2 { margin: 0; font: 600 clamp(1.8rem,3vw,2.7rem)/1.35 var(--serif); letter-spacing: .06em; }
.section-heading p { margin: 0; color: #666; font-size: .87rem; }
.section-heading > a { color: var(--red); font-size: .83rem; font-weight: 600; padding-bottom: 8px; border-bottom: 1px solid rgba(181,31,41,.25); }
.section-heading > a span { margin-left: 10px; }

.destination-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 13px; }
.destination-card { height: 270px; padding: 20px; position: relative; display: flex; align-items: flex-end; overflow: hidden; border-radius: 4px; color: white; background-position: center; background-size: cover; box-shadow: inset 0 -140px 90px -60px rgba(0,0,0,.75); }
.destination-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg,transparent 45%,rgba(6,10,15,.7)); }
.destination-card > * { position: relative; z-index: 1; }
.destination-card div { flex: 1; }
.destination-card h3 { margin: 0 0 6px; font: 600 1.55rem/1.2 var(--serif); letter-spacing: .1em; }
.destination-card p { margin: 0; font-size: .78rem; opacity: .9; }
.card-number { position: absolute; left: 18px; top: 16px; font-size: .66rem; letter-spacing: .15em; }
.card-arrow { font-size: 1.35rem; }
.destination-hokkaido { background-image: url("images/destination-hokkaido.jpg"), linear-gradient(145deg,#dae9f0,#40667e); }
.destination-tokyo { background-image: url("images/destination-tokyo.jpg"), linear-gradient(145deg,#192d4a,#bd4d3c); }
.destination-kyoto { background-image: url("images/destination-kyoto.jpg"), linear-gradient(145deg,#d3a36b,#552421); }
.destination-nara { background-image: url("images/destination-nara.jpg"), linear-gradient(145deg,#bd945f,#4f593b); }
.destination-okinawa { background-image: url("images/destination-okinawa.jpg"), linear-gradient(145deg,#68cad5,#145f7d); }

.gourmet-section { padding-top: 90px; padding-bottom: 96px; }
.gourmet-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.food-card { height: 360px; padding: 26px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; color: white; background-position: center; background-size: cover; border-radius: 4px; box-shadow: inset 0 -220px 100px -85px rgba(8,7,5,.9); }
.food-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg,rgba(0,0,0,.08),transparent 40%,rgba(0,0,0,.55)); }
.food-card > * { position: relative; z-index: 1; }
.food-region { align-self: flex-start; border: 1px solid rgba(255,255,255,.6); border-radius: 99px; padding: 7px 13px; font-size: .7rem; }
.food-card h3 { margin: 0 0 8px; font: 600 1.75rem/1.4 var(--serif); letter-spacing: .08em; }
.food-card p { margin: 0; font-size: .83rem; opacity: .9; }
.food-link { align-self: flex-end; font-size: .78rem; }
.food-crab { background-image: url("images/gourmet-crab.jpg"), linear-gradient(145deg,#e67c50,#652419); }
.food-ramen { background-image: url("images/gourmet-ramen.jpg"), linear-gradient(145deg,#c79a58,#422c1e); }
.food-wagyu { background-image: url("images/gourmet-wagyu.jpg"), linear-gradient(145deg,#cb6c62,#401d1d); }

.season-banner { min-height: 430px; display: grid; grid-template-columns: 1fr minmax(380px, .8fr) 1fr; overflow: hidden; background: #191817; color: white; }
.season-art { background-position: center; background-size: cover; min-height: 330px; }
.season-spring { background-image: linear-gradient(90deg,transparent,rgba(25,24,23,.5)), url("images/season-spring.jpg"), linear-gradient(145deg,#f3d5d4,#795b61); }
.season-autumn { background-image: linear-gradient(270deg,transparent,rgba(25,24,23,.55)), url("images/season-autumn.jpg"), linear-gradient(145deg,#d9652c,#56271c); }
.season-content { text-align: center; align-self: center; padding: 55px 30px; }
.season-content .section-kicker { color: var(--gold); }
.season-content h2 { font-size: 2.5rem; margin: 8px 0 20px; }
.season-content p { color: rgba(255,255,255,.72); font: 500 .92rem/2 var(--serif); }
.outline-button { display: inline-block; margin-top: 18px; padding: 13px 25px; border: 1px solid rgba(255,255,255,.45); font-size: .8rem; }
.outline-button span { margin-left: 18px; }

.stories { text-align: center; padding: 90px 24px 100px; }
.stories p:last-child { color: #777; }
footer { background: #111; color: white; padding: 55px clamp(24px,6vw,90px); display: flex; align-items: center; gap: 30px; }
.footer-brand { font: 600 1.3rem var(--serif); }
.footer-circle { color: var(--red); margin-right: 10px; }
footer p { color: #aaa; font-size: .8rem; flex: 1; }
footer small { color: #777; font-size: .66rem; letter-spacing: .12em; }

@media (max-width: 1050px) {
  .main-nav { display: none; }
  .site-header { justify-content: space-between; }
  .hero { height: 680px; }
  .hero-fuji { width: 64%; clip-path: polygon(0 0, 94% 0, 100% 100%, 0 100%); }
  .hero-kyoto { left: 44%; width: 56%; clip-path: polygon(0 0, 100% 0, 100% 100%, 7% 100%); }
  .hero-tokyo, .hero-hokkaido { display: none; }
  .season-message { display: none; }
  .trip-planner { grid-template-columns: 1fr 1fr auto; }
  .planner-guests { display: none; }
  .destination-grid { grid-template-columns: repeat(2,1fr); }
  .destination-card:last-child { grid-column: span 2; }
}

@media (max-width: 720px) {
  .site-header { height: 68px; padding: 0 18px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-name { font-size: 1.18rem; }
  .header-actions .login, .icon-button { display: none; }
  .register { padding: 10px 16px; font-size: .76rem; }
  .hero { height: 720px; min-height: 0; display: block; }
  .hero-panel { inset: 0; width: 100%; display: none; transform: none; clip-path: none; }
  .hero-fuji { display: block; }
  .hero-shade { background: linear-gradient(180deg,rgba(8,13,20,.15),rgba(8,13,20,.58)); }
  .hero-copy { left: 24px; right: 24px; top: 14%; }
  .hero-copy h1 { font-size: 3rem; letter-spacing: .04em; }
  .hero-lead { font-size: .95rem; letter-spacing: .05em; }
  .trip-planner { bottom: 24px; width: calc(100% - 28px); display: grid; grid-template-columns: 1fr; padding: 12px; }
  .planner-field { min-height: 66px; border-right: 0; border-bottom: 1px solid var(--line); padding-left: 12px; }
  .planner-guests { display: grid; }
  .plan-button { min-height: 58px; margin: 10px 0 0; }
  .content-section { padding: 66px 18px 10px; }
  .section-heading { align-items: flex-start; gap: 25px; }
  .section-heading > div { display: block; }
  .section-heading h2 { font-size: 1.75rem; }
  .section-heading p { margin-top: 7px; font-size: .78rem; }
  .section-heading > a { font-size: 0; padding-top: 20px; white-space: nowrap; }
  .section-heading > a span { font-size: 1.2rem; }
  .destination-grid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 14px; }
  .destination-card, .destination-card:last-child { flex: 0 0 78vw; height: 320px; scroll-snap-align: start; }
  .gourmet-section { padding-top: 70px; padding-bottom: 75px; }
  .gourmet-grid { grid-template-columns: 1fr; }
  .food-card { height: 340px; }
  .season-banner { display: block; }
  .season-art { min-height: 250px; }
  .season-autumn { display: none; }
  .season-content h2 { font-size: 2rem; }
  footer { display: block; text-align: center; }
  footer p { margin: 14px 0 24px; }
}

/* ---- 期間限定の割引・前に見た行き先のお知らせ（2026-09-23追加） ---- */
/* 都道府県名がピンとこない人向けの「地方から選ぶ」クイックリンク */
.region-quick {
  max-width: 1180px; margin: 22px auto 0; padding: 0 20px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px;
}
.region-quick-label { font-size: .78rem; color: #888; font-weight: 600; margin-right: 4px; }
.region-quick a {
  padding: 7px 16px; border: 1px solid var(--line, #ddd); border-radius: 999px;
  font-size: .85rem; color: #333; text-decoration: none; background: #fff;
  transition: background .15s, border-color .15s;
}
.region-quick a:hover { background: #fbfaf8; border-color: var(--red); color: var(--red); }
.region-quick a.is-myplan { color: var(--red); font-weight: 700; border-color: var(--red); background: #fffdfc; }
@media (max-width: 640px) {
  .region-quick { padding: 0 16px; gap: 6px 8px; }
  .region-quick a { padding: 6px 13px; font-size: .8rem; }
}

/* マイプラン（前回見た行き先）のお知らせ帯。TOPページ、JSで表示する */
.myplan-banner {
  max-width: 1180px; margin: 16px auto 0; padding: 12px 20px;
  border: 1px solid rgba(181,31,41,.3); border-radius: 12px; background: #fffdfc;
  font-size: .85rem; color: #444; line-height: 1.8;
}
.myplan-banner strong { color: var(--red); }
.myplan-banner a { margin-left: 6px; color: var(--red); font-weight: 700; text-decoration: underline; }
@media (max-width: 640px) {
  .myplan-banner { margin: 14px 16px 0; padding: 10px 16px; }
}

.visitor-notice { max-width: 1180px; margin: 22px auto 0; padding: 14px 22px; border: 1px solid rgba(181,31,41,.35); border-radius: 14px; background: #fffdfc; }
.visitor-notice-item { margin: 4px 0; font-size: .9rem; line-height: 1.8; }
.visitor-notice-item a { color: var(--red); font-weight: 600; }
.visitor-notice-party { margin: 6px 0 0; font-size: .8rem; color: #666; }
.campaign-strip { max-width: 1180px; margin: 34px auto 0; padding: 0 20px; }
.campaign-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 18px; padding: 20px 26px; border-radius: 16px; background: linear-gradient(120deg, #b51f29, #8d111b); color: #fff; box-shadow: 0 14px 30px rgba(181,31,41,.22); }
.campaign-card:hover { filter: brightness(1.05); }
.campaign-tag { padding: 6px 12px; border: 1px solid rgba(255,255,255,.7); border-radius: 999px; font-size: .74rem; font-weight: 600; letter-spacing: .08em; white-space: nowrap; }
.campaign-body { display: grid; gap: 4px; }
.campaign-body strong { font: 600 clamp(1rem, 2.1vw, 1.25rem)/1.5 var(--serif, serif); }
.campaign-body span { font-size: .82rem; opacity: .92; line-height: 1.7; }
.campaign-arrow { font-size: .85rem; font-weight: 600; white-space: nowrap; }
@media (max-width: 720px) {
  .campaign-card { grid-template-columns: 1fr; gap: 10px; padding: 18px; }
  .visitor-notice { margin: 16px 16px 0; }
}

/* ---- サイト名が長くなったぶんの調整（2026-09-23「日本を旅する旅行サイト」） ---- */
.brand-name { font-size: clamp(1.05rem, 1.45vw, 1.4rem); white-space: nowrap; }
.main-nav { gap: clamp(14px, 1.6vw, 34px); }
.main-nav a, .register, .login { white-space: nowrap; }
@media (max-width: 1320px) { .main-nav { font-size: .82rem; } }
@media (max-width: 720px) {
  .brand-name { font-size: 1rem; letter-spacing: .02em; }
  .brand-mark { flex-shrink: 0; }
}
@media (max-width: 420px) {
  .site-header { padding: 0 12px; gap: 8px; }
  .brand-name { font-size: .92rem; }
  .register { padding: 9px 12px; font-size: .72rem; }
  .header-actions { gap: 8px; }
}

/* ---- スマホの下部固定ナビ（2026-09-24追加。外部レビュー指摘：モバイルは指1本で主要機能を行き来したい） ---- */
.bottom-nav { display: none; }
@media (max-width: 720px) {
  .bottom-nav {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 1000;
    background: #fff; border-top: 1px solid var(--line, #e7ded0);
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
  }
  .bottom-nav a {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 6px 4px; color: #777; text-decoration: none; font-size: .68rem;
  }
  .bottom-nav a .icon { font-size: 1.25rem; line-height: 1; }
  .bottom-nav a.is-current { color: var(--red); font-weight: 600; }
  /* ナビ分の高さが最後のコンテンツに被らないように、本文の下に余白を足す */
  main, body > footer { padding-bottom: 64px; }
}

/* 宿探し・予約・通知の案内 */
.journey-guide { max-width:1120px; margin:32px auto; padding:24px; background:#fff; border:1px solid #e5ded8; border-radius:16px; }
.journey-guide h2 { margin:0 0 20px; font-size:1.15rem; line-height:1.8; }
.journey-steps { padding:0; margin:0; list-style:none; display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.journey-steps p { font-size:.9rem; line-height:1.8; color:#555; }
.journey-steps a,.search-next a { color:var(--red); text-decoration:underline; text-underline-offset:4px; }
.search-next,.notification-steps { font-size:.9rem; line-height:1.9; }
.notification-choice { margin-top:26px; padding:20px; border:1px solid #e5ded8; border-radius:12px; background:#fffaf6; scroll-margin-top:90px; }
.notification-choice h3 { margin:0 0 10px; font-size:1rem; }
.notification-choice p { font-size:.9rem; line-height:1.8; }
.notification-choice .deals-muted { display:block; margin-top:12px; }
.journey-intro h1 { font-size:1.6rem; }
.journey-intro p { line-height:1.9; }
@media(max-width:720px) {
  .hero-copy h1 { font-size:clamp(1.8rem,7.5vw,3rem); letter-spacing:.02em; }
  .hero-copy .eyebrow { font-size:.72rem; letter-spacing:.03em; line-height:1.8; }
  .journey-guide { margin:24px 14px; padding:20px; }
  .journey-steps { grid-template-columns:1fr; gap:20px; }
  .content-section { padding-top: 34px; }
  .bottom-nav a { font-size:.65rem; }
  .section-heading { flex-wrap:wrap; gap:12px; }
  .section-heading > a { font-size:.82rem; padding-top:0; white-space:normal; }
}