/* 汐凪精機（見本・架空）— 色・字・余白の決まりは README の「デザインの決まり」 */
@font-face{font-family:"ZenKaku";src:url(fonts/zenkaku-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"ZenKaku";src:url(fonts/zenkaku-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"ZenKaku";src:url(fonts/notosym-400.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+3C6}
:root{
  --bg:#FFFFFF; --bg2:#EEF0EE; --ink:#1B2225; --ink2:#4A5559; --line:#D5DAD8;
  --brand:#1E4651; --brand-l:#DCE6E7; --brass:#9A6B1F;
  --cta:#A4441A; --cta-h:#863714;
  --sans:"ZenKaku","Hiragino Sans","Yu Gothic","Noto Sans JP",sans-serif;
  --w:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;word-break:auto-phrase;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.85;letter-spacing:.03em}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--cta);outline-offset:3px}
p{margin:0 0 1em}
h1,h2,h3{line-height:1.45;letter-spacing:.04em}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.nw{display:inline-block}
.wrap{max-width:var(--w);margin:0 auto;padding:0 32px}
.wrap--narrow{max-width:860px}
.sample-bar{background:var(--ink);color:#E6E9E7;font-size:13px;text-align:center;padding:6px 12px;line-height:1.6}
.sample-bar a{color:#fff;margin-left:.5em}

/* header */
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header__inner{max-width:1320px;margin:0 auto;padding:0 28px;height:76px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo__mark{width:30px;height:30px;border:3px solid var(--brand);position:relative;flex:none}
.logo__mark::after{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--brass)}
.logo__text{display:flex;flex-direction:column;line-height:1.3}
.logo__main{font-weight:700;font-size:21px;letter-spacing:.14em}
.logo__sub{font-size:12px;color:var(--ink2);letter-spacing:.08em}
.nav{margin-left:auto}
.nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav a{text-decoration:none;font-size:15px;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current]{border-bottom-color:var(--brand)}
.menu-btn{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;text-decoration:none;font-weight:700;letter-spacing:.06em;border-radius:3px;border:0;cursor:pointer;font-family:inherit;font-size:15px}
.btn--cta{background:var(--cta);color:#fff;padding:11px 18px}
.btn--cta:hover{background:var(--cta-h)}
.btn--lg{padding:17px 32px;font-size:16px;min-width:270px}
.btn--lg::after{content:"";width:7px;height:7px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg)}
.btn--line{border:2px solid var(--brand);color:var(--brand);padding:12px 26px;background:#fff}
.btn--line:hover{background:var(--brand-l)}
.text-link{color:var(--brand);font-weight:700;text-underline-offset:4px}

/* hero */
.hero{display:grid;grid-template-columns:42fr 58fr;min-height:560px;background:var(--bg2)}
.hero__text{padding:72px 56px 64px max(32px,calc((100vw - var(--w))/2 + 32px));display:flex;flex-direction:column;justify-content:center}
.hero__lead{color:var(--brand);font-weight:700;font-size:15px;margin-bottom:14px}
.hero__title{font-size:clamp(28px,3.1vw,42px);margin:0 0 22px;line-height:1.5}
.hero__body{max-width:30em}
.hero__act{display:flex;flex-wrap:wrap;align-items:center;gap:18px 28px;margin-top:12px}
.hero__photo{margin:0;position:relative}
.hero__photo img{width:100%;height:100%;object-fit:cover}
figcaption{font-size:12px;color:var(--ink2);margin-top:6px}
.hero__photo figcaption{position:absolute;right:0;bottom:0;margin:0;background:rgba(255,255,255,.88);padding:2px 8px}

/* sections */
.sec{padding:96px 0}
.sec--gray{background:var(--bg2)}
.h2{font-size:clamp(23px,2.3vw,30px);margin:0 0 20px;padding-left:16px;border-left:5px solid var(--brand)}
.sec__lead{color:var(--ink2);margin-bottom:32px}
.note{font-size:13.5px;color:var(--ink2)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split__photo{margin:0}
.split--rev .split__photo{order:-1}

.cases{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink)}
.cases li{display:flex;gap:16px;padding:26px 24px 8px 0}
.cases li+li{padding-left:24px;border-left:1px solid var(--line)}
.cases__no{font-size:15px;font-weight:700;color:var(--brass);letter-spacing:.1em;padding-top:3px}
.cases h3{font-size:18px;margin:0 0 10px}

/* fictional frames */
.frame{border:2px dashed #8A9396;padding:44px 28px 24px;position:relative;background:#fff}
.sec--gray .frame{background:#fff}
.fict{position:absolute;top:-1px;left:-1px;margin:0;background:#4A5559;color:#fff;font-size:13px;font-weight:700;padding:3px 12px;letter-spacing:.08em}
.facts{display:grid;grid-template-columns:repeat(4,1fr);margin:0}
.facts div{padding:6px 20px;border-left:1px solid var(--line)}
.facts div:first-child{border-left:0;padding-left:0}
.facts dt{font-size:14px;color:var(--ink2)}
.facts dd{margin:0;font-size:24px;font-weight:700;letter-spacing:.06em}
.voice{margin:0}
.voice p{color:var(--ink2)}
.voice footer{font-size:14px;color:var(--ink2)}
.sign{text-align:right;margin:0}

/* service */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.svc__item img{aspect-ratio:3/2;object-fit:cover;width:100%}
.svc__item h3{font-size:19px;margin:16px 0 8px}
.table-scroll{overflow-x:auto}
.spec{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
.spec th,.spec td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.spec thead th{border-bottom:2px solid var(--ink);font-size:14px;color:var(--ink2)}
.spec tbody th{font-weight:700;white-space:nowrap}
.flow{list-style:none;margin:0;padding:0;counter-reset:f}
.flow li{counter-increment:f;position:relative;padding:0 0 22px 52px;border-left:2px solid var(--line);margin-left:16px;padding-left:36px}
.flow li:last-child{border-left-color:transparent}
.flow li::before{content:counter(f);position:absolute;left:-17px;top:0;width:32px;height:32px;background:var(--brand);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px}
.flow h3{font-size:17px;margin:2px 0 6px}
.works{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:28px}
.works li{border-top:2px solid var(--ink);padding-top:14px}
.works__tag{font-weight:700;margin-bottom:6px}
.works p:not(.works__tag){color:var(--ink2)}

/* company / recruit */
.info{margin:0}
.info div{display:grid;grid-template-columns:9em 1fr;border-bottom:1px solid var(--line);padding:14px 0}
.info dt{font-weight:700}
.info dd{margin:0}
.equip{list-style:none;margin:0;padding:0}
.equip li{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:10px 0}
.day{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0 32px}
.day li{display:flex;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}
.day time{font-weight:700;color:var(--brand);min-width:3.4em}
.day p{margin:0}
.notice{background:#FBF1E6;border-left:5px solid var(--cta);padding:14px 20px;margin-top:28px;margin-bottom:0}
.wrap.notice{max-width:calc(var(--w) - 64px)}

/* page head */
.page-head{background:var(--bg2);padding:48px 0 52px;border-bottom:1px solid var(--line)}
.page-head__crumb{font-size:13px;color:var(--ink2);margin-bottom:10px}
.page-head__title{font-size:clamp(28px,3vw,38px);margin:0 0 10px}
.page-head__lead{max-width:40em;margin:0}
.page-head--photo .page-head__crumb{color:#E3E7E6}

/* form */
.form{margin-top:32px}
.form__type{border:0;padding:0;margin:0 0 24px;display:flex;flex-wrap:wrap;gap:8px 28px}
.form__type legend{font-weight:700;margin-bottom:8px;padding:0}
.form__type label{display:flex;align-items:center;gap:8px;min-height:44px}
.form__type input{width:20px;height:20px;accent-color:var(--brand)}
.form__row{margin-bottom:22px}
.form__row label{display:block;font-weight:700;margin-bottom:6px}
.form input[type=text],.form input[type=email],.form input[type=tel],.form textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid #8A9396;border-radius:3px;background:#fff}
.form input[type=file]{font:inherit;font-size:15px}
.req{font-size:12.5px;background:var(--cta);color:#fff;padding:1px 6px;margin-left:6px;font-weight:700}
.form__msg{margin-top:16px;font-weight:700;color:var(--brand)}

/* end cta */
.cta-end{background:var(--brand);color:#fff;padding:80px 0;text-align:center}
.cta-end__title{font-size:clamp(23px,2.4vw,30px);margin:0 0 12px}
.cta-end p{color:#E3ECEC}
.cta-end .btn{margin-top:12px}

/* footer */
.footer{background:var(--ink);color:#D9DEDC;padding:56px 0 32px;font-size:14px}
.footer__inner{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.footer__name{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px}
.footer__name span{font-size:13px;font-weight:400;color:#D9DEDC}
.footer__nav{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,auto);gap:4px 32px}
.footer__nav a{text-decoration:none;display:inline-block;padding:6px 0}
.footer__nav a:hover{text-decoration:underline}
.footer__disclaimer{font-size:13px;margin-top:32px;padding-top:20px;border-top:1px solid #3A4549;color:#C4CBC9}

/* notes */
.notes h2{margin-top:48px}
.notes table{border-collapse:collapse;font-size:14px;min-width:720px}
.notes th,.notes td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.notes thead th{background:var(--bg2)}

@media (max-width:1080px){
  .nav ul{gap:18px}.header__inner{gap:18px}
  .hero{grid-template-columns:1fr 1fr}
  .hero__text{padding:56px 36px}
}
@media (max-width:900px){
  .header__inner{height:64px;padding:0 16px}
  .menu-btn{display:block;margin-left:auto;font:inherit;font-size:14px;font-weight:700;background:#fff;border:1px solid var(--ink);border-radius:3px;padding:8px 14px;min-height:44px}
  .nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none;margin:0}
  .nav.is-open{display:block}
  .nav ul{flex-direction:column;gap:0;padding:8px 16px}
  .nav a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
  .header__cta{display:none}
  .logo__main{font-size:19px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .wrap{padding:0 20px}
  .sample-bar{font-size:12.5px}
  .hero{grid-template-columns:1fr;min-height:0}
  .hero__photo{order:-1;aspect-ratio:16/10}
  .hero__text{padding:32px 20px 44px}
  .hero__title{font-size:26px}
  .btn--lg{width:100%;min-width:0}
  .sec{padding:64px 0}
  .split{grid-template-columns:1fr;gap:28px}
  .split__photo{order:-1}
  .cases{grid-template-columns:1fr}
  .cases li,.cases li+li{padding:20px 0 4px;border-left:0;border-bottom:1px solid var(--line)}
  .frame{padding:44px 18px 18px}
  .facts{grid-template-columns:1fr 1fr;gap:16px 0}
  .facts div:nth-child(3){border-left:0;padding-left:0}
  .facts dd{font-size:22px}
  .svc,.works{grid-template-columns:1fr}
  .day{grid-template-columns:1fr}
  .info div{grid-template-columns:1fr;gap:2px}
  .wrap.notice{margin-left:20px;margin-right:20px}
  .footer__inner{flex-direction:column}
}

/* v3: top (fit / ticket / price / faq) */
.fit{display:grid;grid-template-columns:1fr 1fr;border-top:2px solid var(--ink)}
.fit__col{padding:24px 32px 8px 0}
.fit__col--no{padding-left:32px;border-left:1px solid var(--line)}
.fit__h{font-size:18px;margin:0 0 12px;color:var(--brand)}
.fit__col--no .fit__h{color:var(--ink2)}
.fit ul{margin:0;padding:0;list-style:none}
.fit li{padding:12px 0;border-bottom:1px solid var(--line)}
.fit li:last-child{border-bottom:0}
.fit strong{display:block}
.ticket{background:#fff;border:1px solid var(--ink);padding:0;font-size:15px}
.ticket__head{display:flex;justify-content:space-between;gap:12px;margin:0;padding:10px 16px;border-bottom:2px solid var(--ink);font-weight:700;letter-spacing:.06em}
.ticket__head span+span{font-weight:400;color:var(--ink2)}
.ticket__list{list-style:none;margin:0;padding:0;counter-reset:t}
.ticket__list li{counter-increment:t;display:grid;grid-template-columns:2.2em 9.5em 1fr;gap:0 10px;padding:12px 16px;border-bottom:1px solid var(--line)}
.ticket__list li:last-child{border-bottom:0}
.ticket__list li::before{content:"□";color:var(--brass);font-weight:700}
.ticket__k{font-weight:700}
.price{margin:0}
.price div{display:flex;justify-content:space-between;align-items:baseline;gap:16px;border-bottom:1px solid var(--line);padding:14px 0}
.price div:last-child{border-bottom:0}
.price dt{font-weight:700}
.price dt span{display:block;font-weight:400;font-size:14px;color:var(--ink2)}
.price dd{margin:0;font-weight:700;font-size:19px;white-space:nowrap;letter-spacing:.04em}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:2px solid var(--ink)}
.faq summary{cursor:pointer;font-weight:700;padding:16px 28px 16px 0;position:relative;list-style:none;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";position:absolute;right:0;top:15px;color:var(--brand)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 18px;color:var(--ink2)}
.sticky-cta{display:none}
@media (max-width:900px){
  .header__cta{display:inline-flex;margin-left:auto;padding:10px 14px;min-height:44px}
  .header__cta+.menu-btn{margin-left:8px}
  .pc-only{display:none}
}
@media (max-width:767px){
  .fit{grid-template-columns:1fr}
  .fit__col,.fit__col--no{padding:18px 0 4px;border-left:0}
  .fit__col--no{border-top:1px solid var(--line)}
  .ticket__list li{grid-template-columns:1.8em 1fr}
  .ticket__list li span:last-child{grid-column:2}
  .price div{flex-direction:column;gap:4px}
  .has-sticky{padding-bottom:76px}
  .sticky-cta{display:block;position:fixed;left:0;right:0;bottom:0;z-index:50;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--line)}
  .sticky-cta .btn{width:100%;min-height:50px;font-size:16px}
}
@media (max-width:420px){.logo__sub{display:none}.header__cta{padding:10px 12px}}
.gallery{list-style:none;margin:0 0 32px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.gallery img{aspect-ratio:3/2;object-fit:cover;width:100%}
.photo-slot{border:2px dashed #8A9396;background:var(--bg2);padding:28px 24px;min-height:180px;display:flex;flex-direction:column;justify-content:center}
.photo-slot__label{font-weight:700;margin:0 0 6px}
.photo-slot p:last-child{margin:0;color:var(--ink2)}
.wrap>.photo-slot{margin-top:0;margin-bottom:64px}
.range{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.range>div{border-top:2px solid var(--ink);padding-top:12px}
.range h3{font-size:17px;margin:0 0 8px}
.range ul{margin:0;padding-left:1.2em}
@media (max-width:767px){.gallery,.range{grid-template-columns:1fr}}
.person-photo{margin:0 0 64px;max-width:560px}
.sec .person-photo{margin:24px 0 0}
.slot__box{border:2px dashed #6E675B;padding:24px 28px;background:transparent}
.slot__tag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--ink2);letter-spacing:.06em;margin:0 0 10px}
.slot__title{font-size:clamp(18px,1.8vw,21px);line-height:1.6;margin:0 0 10px}
.slot__box p:last-child{margin:0;color:var(--ink2);font-size:15px}

button,input,select,textarea{font-family:inherit}

main li,main p,main td{overflow-wrap:anywhere}
.header__cta{white-space:nowrap;flex-shrink:0}
/* v5.2 加工例の素材写真 */
.works__photo{margin:0 0 20px;max-width:720px}
.works__photo img{width:100%;height:auto;display:block}
.works__photo figcaption{font-size:13px;color:var(--ink2);margin-top:6px}

/* v5.5 */
.gallery--1{grid-template-columns:minmax(0,720px)}
.svc__item:not(:has(img)){border-top:4px solid currentColor;padding-top:4px}

.gallery--3{grid-template-columns:repeat(3,1fr);margin-top:32px}
@media (max-width:767px){.gallery--3{grid-template-columns:1fr}}

/* v31: tap targets 44px */
.sample-bar a{display:inline-block;min-height:44px;line-height:44px;padding:0 10px;margin-left:.2em}
.sample-bar{padding-top:0;padding-bottom:0}
td a[href$=".txt"]{display:inline-flex;align-items:center;min-height:44px;min-width:44px;padding:0 6px}
.sticky-cta{transition:transform .25s}
.sticky-cta.is-hidden{transform:translateY(110%);visibility:hidden}
@media (prefers-reduced-motion:reduce){.sticky-cta{transition:none}}

/* タップ領域44px */
.page-head__crumb a,.notes__back a,.text-link,.logo{display:inline-flex;align-items:center;min-height:44px}
.nav a{min-height:44px;display:inline-flex;align-items:center}
@media (max-width:767px){.nav-open .nav a{display:flex}}
@media (max-width:900px){.nav a{display:flex}}
/* v5: 控えめな動き（JSが html.js を付けたときだけ効く） */
@media (prefers-reduced-motion:no-preference){
  .js .rv{opacity:0;transform:translateY(16px);transition:opacity .5s ease-out,transform .5s ease-out}
  .js .rv.is-in{opacity:1;transform:none}
  .nav.is-open{animation:navin .2s ease-out}
  .faq details[open] p{animation:faqin .25s ease-out}
}
@keyframes navin{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@keyframes faqin{from{opacity:0}to{opacity:1}}