/* 自然ガイドツアー：景観写真を主役にしたレスポンシブデザイン。 */
:root{--brand:#294f45;--brand-dark:#193d34;--brand-soft:#edf1eb;--accent:#416f79;--accent-soft:#eaf1f2;--warm:#8b6142;--warm-soft:#f5f0e8;--ground:#faf9f5;--ink:#253d35;--ink-2:#4d5b54;--ink-3:#65726b;--line:#dce2d9;--wrap:1200px;--shadow:0 12px 32px -24px rgba(22,47,36,.25)}
body{font-size:17px;line-height:1.95}
.wrap{padding-inline:40px}
section{padding:88px 0;scroll-margin-top:90px}
section.tint{background:#eef1eb}
.site-head{background:rgba(250,249,245,.97);box-shadow:none;border-bottom:1px solid var(--line)}
.site-head .wrap{max-width:1440px;padding-block:17px}
.logo{font-size:21px;letter-spacing:.02em;line-height:1.5}
.logo small{font-size:10px;letter-spacing:.18em;color:var(--ink-2)}
.head-nav{display:flex;align-items:center;gap:30px}
.head-nav>a:not(.btn){font-size:14px;text-decoration:none;letter-spacing:.06em}
.head-nav>a:not(.btn):hover{text-decoration:underline;text-underline-offset:6px}
.btn{border:0;cursor:pointer;box-shadow:none;font-family:var(--sans);border-radius:5px;min-height:50px;letter-spacing:.04em;padding:13px 24px}
.btn.sm{font-size:14px;padding:11px 22px}
.btn:hover{box-shadow:0 5px 14px rgba(25,61,52,.12)}
.eyebrow{font-size:11px;letter-spacing:.2em;color:var(--warm);margin-bottom:13px}
.sec-title{font-size:34px;letter-spacing:.04em;margin-bottom:18px}
.sec-lede{font-size:16px;max-width:48em;line-height:1.95;margin-bottom:34px}
.hero{background:var(--ground);color:var(--ink);overflow:visible}
.hero::after{display:none}
.hero .wrap{padding-block:46px 38px}
.hero-heading{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.hero .eyebrow{margin:0 0 14px;max-width:none;font-size:11px;line-height:1.5;text-shadow:none;color:var(--warm)}
.hero h1{font-size:clamp(32px,3.2vw,46px);line-height:1.55;letter-spacing:.055em;text-shadow:none}
.hero h1 span{font-size:.64em;letter-spacing:.14em}
.hero .hero-tagline{font-family:var(--serif);font-size:23px;line-height:1.8;color:var(--ink);margin:0 0 12px;text-shadow:none}
.hero-intro{border-left:1px solid #ccd6cb;padding-left:40px}
.hero .hero-intro>p:last-child{font-size:15px;line-height:1.95;margin:0;color:var(--ink-2);text-shadow:none}
.hero-landscape{position:relative;margin:0 24px;background:#dfebe7;overflow:hidden;border-radius:3px}
.hero .hero-landscape img{position:static;display:block;width:100%;height:auto;max-height:780px;aspect-ratio:16/8.4;object-fit:cover;object-position:center 48%;opacity:1}
.hero-landscape figcaption{position:absolute;bottom:22px;left:30px;right:30px;display:flex;justify-content:space-between;gap:18px;align-items:end;color:white;text-shadow:0 1px 6px #12261c,0 0 20px #12261c}
.hero-landscape figcaption span:first-child{font-family:var(--serif);font-size:clamp(18px,2vw,26px);letter-spacing:.13em}
.hero-landscape figcaption span:last-child{font-size:12px;letter-spacing:.08em}
.choose{margin:32px 0 0;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr}
.choose a{border:0;border-radius:0;box-shadow:none;background:transparent;padding:27px 36px 28px 0;position:relative}
.choose a+a{border-left:1px solid var(--line);padding-left:36px}
.choose a:hover{transform:none;background:#f2f3ed}
.choose .k{font-size:12px;letter-spacing:.12em;color:var(--ink-2)}
.choose h2{font-size:25px;margin:4px 0 12px}
.choose p{font-size:15px;max-width:30em;line-height:1.85}
.choose .go{font-size:14px;margin-top:13px}
#open{padding-top:80px}
#open .tours{grid-template-columns:1fr 1fr;gap:30px}
.tours{gap:24px}
.card{border-radius:7px;border:1px solid #dfe5dc;box-shadow:var(--shadow)}
.card .body{padding:25px 25px 27px}
.card h3{font-size:22px;line-height:1.65;margin-bottom:13px;text-wrap:pretty}
.card .catch{font-size:15.5px;line-height:1.9;margin-bottom:20px}
.card .ph{aspect-ratio:4/3}
.card .ph img{transition:transform .4s ease}
.photo-button{padding:0;border:0;margin:0;display:block;position:relative;min-width:0;min-height:0;width:100%;height:100%;background:transparent;cursor:zoom-in;overflow:hidden;color:white;font:inherit}
.photo-button:after{content:'＋';position:absolute;right:10px;bottom:10px;width:28px;height:28px;line-height:27px;border-radius:50%;background:rgba(24,50,40,.68);font-size:18px;text-align:center;pointer-events:none}
.photo-button:hover img{transform:scale(1.025)}
.hero-landscape .photo-button:after{top:15px;right:15px;bottom:auto;width:36px;height:36px;line-height:35px}
.hero-landscape figcaption{pointer-events:none}
.card .ph.sawa-gallery,.card .ph.sawa-gallery.cols2{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:3fr 1fr;gap:3px;aspect-ratio:4/3;padding:0;overflow:hidden;background:#fff}
.card .ph.sawa-gallery .photo-button:first-child{grid-column:1/-1}
.card .ph.sawa-gallery img{width:100%;height:100%;aspect-ratio:auto;object-fit:cover;border-radius:0}
.gallery-hint{display:none}
.badges{gap:6px;margin-bottom:13px}
.badge{border-radius:2px;font-size:12px;font-weight:500;padding:2px 8px}
.badge.code{font-size:12px;padding:0 0 5px;letter-spacing:.13em}
.spec{font-size:14.5px;grid-template-columns:6em 1fr;line-height:1.8;gap:0 10px}
.spec dt,.spec dd{padding:9px 0;border-color:#e4e8e0}
.spec dt{font-weight:500}
.card .note{border-radius:3px;font-size:14px;line-height:1.85;background:#f5f3ed;padding:12px 14px}
.price{border-top:1px solid var(--line);padding-top:20px;gap:18px}
.price .yen{font-size:29px;letter-spacing:.01em;line-height:1.5}
.price .yen small{font-size:13px}
.price .sub{font-size:13px;color:var(--ink-2);line-height:1.8;margin-top:6px}
#open .price .btn{width:100%;margin-top:2px;min-height:52px}
.private-intro{border:0;border-left:2px solid #a2b5a5;border-radius:0;background:transparent;box-shadow:none;max-width:58em;padding:0 0 0 23px;margin-bottom:30px}
.fee{gap:24px;margin-bottom:30px}
.fee>div{border:1px solid #d4ddd0;border-top:2px solid #7b927e;border-radius:5px;box-shadow:none;padding:25px 28px;background:#fafbf7}
.fee h3{font-size:23px}
.fee .t{font-size:14px;color:var(--ink-2)}
.fee .yen{font-size:35px;margin-top:17px}
.fee ul{font-size:14px;margin-top:15px}
.course-code-note{margin:0 0 42px;font-size:14px}
.course-code-note::before{background:var(--brand);font-family:var(--sans)}
.sub-title{font-size:25px;margin:58px 0 24px;gap:16px}
.sub-title .en-title{font-size:11px;color:var(--ink-2)}
.sec-title .en-title{font-size:11px;letter-spacing:.1em}
.kashikiri{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}
.kashikiri .card .body{padding:22px}
.kashikiri .card h3{font-size:20px}
.kashikiri .price .yen{font-size:26px}
.course-details{margin:0 0 20px}
.course-details summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:8px;min-height:48px;border-block:1px solid var(--line);font-size:14px;cursor:pointer;color:var(--brand)}
.course-details summary::-webkit-details-marker{display:none}
.course-details summary:after{content:'＋';font-size:20px}
.course-details[open] summary:after{content:'−'}
.course-details .spec{margin-top:10px;font-size:14px;grid-template-columns:5.5em 1fr}
.course-details .note{margin-bottom:0}
.course-inquiry{display:flex;justify-content:space-between;align-items:center;width:100%;padding:12px 0 0;border-top:1px solid var(--line);font-size:14px;color:var(--brand);text-decoration:none;min-height:44px}
.course-inquiry:hover{text-decoration:underline}
.exp-ph{gap:14px;margin:34px 0}
.exp-ph img{border-radius:4px;aspect-ratio:1/1}
.exp-list{font-size:16px;gap:15px 30px;margin-bottom:24px}
.info{grid-template-columns:1fr 1fr;gap:20px}
.info>div{border-radius:4px;box-shadow:none;padding:27px 28px}
.info>div:first-child{grid-row:span 2}
.info h3{font-size:20px;margin-bottom:16px}
.info p,.info li{font-size:15px;line-height:1.9}
.guide{grid-template-columns:1fr 1.15fr;gap:64px;align-items:center}
.guide-photo{border-radius:4px;box-shadow:none;margin:20px 0}
.guide .name{font-size:28px}
.guide .name small{font-size:14px}
.guide>div:last-child{font-size:17px;line-height:2.1}
.quals{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:14px}
.contact{background:#e5ece2!important}
.form-wrap{max-width:780px;border:0;border-radius:6px;box-shadow:none;padding:36px;margin-top:34px}
.form-grid{gap:22px}
.field label{font-size:15px}
.field input,.field select,.field textarea{border-radius:4px;border-color:#bac8bd;background:#fcfcf9}
.field .hint,.form-note{font-size:13px;color:var(--ink-2)}
.form-actions{margin-top:30px}
.form-actions .btn{min-height:54px}
.site-foot{padding:48px 0;background:#233d33}
.foot-nav{gap:14px 28px}
.foot-note{font-size:12px;color:#c2cec5}
.photo-dialog{width:min(1100px,96vw);max-width:96vw;max-height:94dvh;padding:56px 16px 16px;border:0;border-radius:6px;background:#15251f;color:white}
.photo-dialog::backdrop{background:rgba(12,23,17,.88)}
.photo-dialog img{max-height:73dvh;width:100%;object-fit:contain}
.photo-close{position:absolute;top:8px;right:12px;min-height:44px;padding:0 14px;color:white;background:transparent;border:0;font:inherit;cursor:pointer}
.photo-caption{font-size:14px;text-align:center;margin:14px 0 0}
@media(min-width:1500px){.hero-landscape{max-width:1550px;margin-inline:auto}}
@media(max-width:1050px){.head-nav{gap:18px}.wrap{padding-inline:28px}.hero-heading{gap:25px}.hero-intro{padding-left:25px}.hero .hero-tagline{font-size:21px}.kashikiri{grid-template-columns:repeat(2,minmax(0,1fr))}.guide{gap:36px}}
@media(max-width:820px){
  .wrap{padding-inline:22px}section{padding:58px 0;scroll-margin-top:85px}
  .site-head .wrap{padding-block:12px;gap:12px}.logo{font-size:18px}.logo small{font-size:9px}
  .head-nav>a:not(.btn){display:none}.head-nav{gap:0}.site-head .btn{min-height:44px;padding:9px 14px;font-size:13px}
  .hero{min-height:0;display:block}.hero .wrap{padding-block:27px 25px}.hero-heading{display:block}
  .hero h1{font-size:32px;line-height:1.5;letter-spacing:.045em}.hero h1 span{font-size:21px}
  .hero .eyebrow{font-size:10px;margin-bottom:10px}.hero-intro{border:0;padding:14px 0 0}
  .hero .hero-tagline{font-size:17px;line-height:1.7;margin:0}.hero-tagline br{display:none}.hero .hero-intro>p:last-child{font-size:14px;line-height:1.8;margin:9px 0 0}.desktop-break{display:none}
  .hero-landscape{margin:0 10px;border-radius:2px}.hero .hero-landscape img{aspect-ratio:4/3;max-height:none;object-position:44% center;height:auto;opacity:1}
  .hero-landscape figcaption{left:15px;right:15px;bottom:13px;display:block}.hero-landscape figcaption span:first-child{font-size:16px;letter-spacing:.07em}.hero-landscape figcaption span:last-child{display:block;font-size:10px;margin-top:3px}
  .choose{margin-top:24px;grid-template-columns:1fr;gap:0}.choose a{padding:22px 0}.choose a+a{border-left:0;border-top:1px solid var(--line);padding:22px 0}.choose h2{font-size:24px;margin:4px 0 9px}.choose p{font-size:15px}.choose .go{font-size:14px;margin-top:10px}
  #open{padding-top:52px}.eyebrow{font-size:10px;margin-bottom:10px}.sec-title{font-size:28px;line-height:1.6}.sec-lede{font-size:16px;margin-bottom:28px}
  #open .tours,.kashikiri{grid-template-columns:1fr;gap:28px}.card{border-radius:5px}.card .body,.kashikiri .card .body{padding:22px 20px 24px}.card h3,.kashikiri .card h3{font-size:23px;line-height:1.65}.card .catch{font-size:16px;line-height:1.9}
  .spec{font-size:15px;grid-template-columns:5.5em 1fr;gap:0 8px}.spec dt,.spec dd{padding:10px 0}.card .note{font-size:14px}.price .yen,.kashikiri .price .yen{font-size:28px}.price .sub{font-size:13px}.price .btn{font-size:16px}
  .course-details summary{font-size:15px;min-height:52px}.course-details .spec{font-size:15px}.course-inquiry{font-size:15px;padding-top:14px;min-height:50px}
  .private-intro{padding-left:17px;font-size:15px;line-height:1.95}.fee{grid-template-columns:1fr;gap:14px}.fee>div{padding:23px}.fee h3{font-size:23px}.fee .yen{font-size:33px}.fee ul{font-size:14px}.course-code-note{margin:0 0 35px}
  .sub-title{font-size:25px;margin:43px 0 23px;gap:6px 13px}.sub-title .en-title{font-size:10px}.sec-title .en-title{display:block;margin:4px 0 0;font-size:10px;letter-spacing:.17em}
  .exp-ph{gap:9px;margin:26px 0}.exp-list{font-size:16px;gap:13px}.info{grid-template-columns:1fr;gap:14px}.info>div{padding:23px 21px}.info>div:first-child{grid-row:auto}.info h3{font-size:21px}.info p,.info li{font-size:15px}
  .guide{grid-template-columns:1fr;gap:25px}.guide .name{font-size:27px}.guide>div:last-child{font-size:16px;line-height:2}.guide-photo{margin:18px 0}.quals{font-size:14px;gap:4px 16px}
  .form-wrap{padding:24px 18px;border-radius:4px;margin-top:28px}.form-grid{grid-template-columns:1fr;gap:20px}.field label{font-size:15px}.contact .sec-title{font-size:25px}.contact>.wrap>p:not(.eyebrow){font-size:15px}.form-note{font-size:13px}.site-foot{padding:36px 0}.foot-nav{font-size:14px}
}
@media(max-width:360px){.wrap{padding-inline:17px}.hero h1{font-size:28px}.hero .hero-tagline{font-size:15px}.card .body,.kashikiri .card .body{padding-inline:17px}.card h3,.kashikiri .card h3{font-size:21px}.spec{font-size:14px}.logo{font-size:16px}}