/*
Theme Name: KEI LABO (Zerif Lite child)
Theme URI: https://klabo.ltd/
Template: zerif-lite
Author: 株式会社ケーラボ
Author URI: https://klabo.ltd/
Description: Zerif Lite（Zelle）の子テーマ。トップページのみを全画面ワンページとしてスクラッチ実装し、親テーマのナビ・セクション・アセットはすべて無効化する。明朝×ゴシックのモノトーン、ライト/ダーク切替、Contact Form 7 対応。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: keilabo-child
*/

/* このファイルは functions.php で自前 enqueue する（子テーマの style.css は自動読込されないため）。
   親 Zerif Lite の CSS/JS は functions.php で全て dequeue 済み。 */

/* ============ tokens ============ */
:root{
  color-scheme: light dark;
  --gofun:#F8F7F4; --washi:#FFFFFF;
  --sumi:#111312; --sumi-70:#4C4F4D; --nezumi:#8E918D; --hairline:#E3E1DB;
  --mincho:"Hiragino Mincho ProN","Yu Mincho",YuMincho,"Noto Serif JP",serif;
  --gothic:"Hiragino Sans","Yu Gothic","Noto Sans JP",sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,monospace;
  --ease:cubic-bezier(.76,0,.24,1); --dur:680ms;
  --pad:clamp(18px,4.4vw,64px);
}
:root[data-theme="dark"]{
  color-scheme: dark;
  --gofun:#131514; --washi:#1B1E1C;
  --sumi:#EDECE7; --sumi-70:#B7B9B4; --nezumi:#787C77; --hairline:#2C2F2D;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme]){
    color-scheme: dark;
    --gofun:#131514; --washi:#1B1E1C;
    --sumi:#EDECE7; --sumi-70:#B7B9B4; --nezumi:#787C77; --hairline:#2C2F2D;
  }
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden}
body{
  background:var(--gofun); color:var(--sumi);
  font-family:var(--gothic); font-size:19px; line-height:1.9;
  -webkit-font-smoothing:antialiased; font-feature-settings:"palt" 1;
  transition:background .5s var(--ease),color .5s var(--ease);
}
/* WP admin bar が出ても崩れないように */
body.admin-bar #logo,body.admin-bar #theme{top:calc(var(--pad) + 32px)}

/* ============ 格子 ============ */
#lattice{position:fixed;inset:0;pointer-events:none;z-index:1}
#lattice i{position:absolute;background:var(--hairline);opacity:.55;transition:background .5s var(--ease)}
#lattice i.v{top:0;bottom:0;width:1px;transform:scaleY(0);transform-origin:top}
#lattice i.h{left:0;right:0;height:1px;transform:scaleX(0);transform-origin:left}
body.ready #lattice i.v{transform:scaleY(1);transition:transform 1.1s var(--ease),background .5s var(--ease)}
body.ready #lattice i.h{transform:scaleX(1);transition:transform 1.1s var(--ease),background .5s var(--ease)}
#scrim{position:fixed;top:0;left:0;right:0;height:calc(var(--pad) + 54px);z-index:9;pointer-events:none;
  background:linear-gradient(to bottom,var(--gofun) 58%,transparent);transition:background .5s var(--ease)}

/* ============ shell ============ */
#stage{position:fixed;inset:0;z-index:2}
.panel{
  position:absolute;inset:0;display:block;
  padding:calc(var(--pad) + 52px) var(--pad) calc(var(--pad) + 84px);
  overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
  visibility:hidden;will-change:transform;
}
.panel.active{visibility:visible;z-index:3}
.panel.leaving{visibility:visible;z-index:2}
.panel.anim{transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.inner{width:min(1080px,100%);margin:0 auto;min-height:100%;display:flex;flex-direction:column;justify-content:center}

/* ============ type ============ */
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--nezumi);display:flex;align-items:center;gap:12px}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--hairline);max-width:160px}
h1,h2,h3{font-family:var(--mincho);font-weight:300;line-height:1.24;text-wrap:balance;letter-spacing:.02em}
h1{font-size:clamp(2.1rem,5.4vw,4.4rem);font-weight:200}
h2{font-size:clamp(1.7rem,3.6vw,3rem);margin:.5em 0 .1em}
h3{font-size:1.2rem;font-weight:400}
p{max-width:38em}
.lead{color:var(--sumi-70);font-size:1rem}
.num{font-family:var(--mincho);font-variant-numeric:tabular-nums}
.stg{display:inline-block;opacity:0;transform:translateY(.5em)}
.panel.active .stg{animation:rise .8s var(--ease) forwards}
@keyframes rise{to{opacity:1;transform:none}}

/* ============ chrome ============ */
#logo{position:fixed;top:var(--pad);left:var(--pad);z-index:10;background:none;border:0;color:var(--sumi);cursor:pointer;text-align:left}
#logo .brand{display:block;height:24px}
#logo .brand svg{height:100%;width:auto;display:block;fill:currentColor}
#logo small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.26em;color:var(--nezumi);margin-top:6px}

#theme{
  position:fixed;top:calc(var(--pad) - 2px);right:var(--pad);z-index:11;
  width:40px;height:40px;border-radius:50%;cursor:pointer;
  background:none;border:1px solid var(--hairline);color:var(--sumi);
  display:grid;place-items:center;transition:border-color .4s var(--ease);
}
#theme:hover{border-color:var(--sumi)}
#theme svg{width:17px;height:17px;display:block}
#theme .moon{display:none}
:root[data-theme="dark"] #theme .moon{display:block}
:root[data-theme="dark"] #theme .sun{display:none}
@media (prefers-color-scheme: dark){
  :root:not([data-theme]) #theme .moon{display:block}
  :root:not([data-theme]) #theme .sun{display:none}
}

#rail{position:fixed;right:calc(var(--pad) - 4px);top:50%;transform:translateY(-50%);z-index:10;display:flex;flex-direction:column;gap:4px;align-items:flex-end}
#rail button{display:flex;align-items:center;gap:10px;background:none;border:0;cursor:pointer;color:var(--nezumi);font-family:var(--mono);font-size:9px;letter-spacing:.18em;padding:7px 2px}
#rail button i{width:14px;height:1px;background:var(--nezumi);transition:width .4s var(--ease),background .4s var(--ease)}
#rail button span{opacity:0;transform:translateX(6px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
#rail button:hover span,#rail button:focus-visible span,#rail button[aria-current="true"] span{opacity:1;transform:none}
#rail button[aria-current="true"]{color:var(--sumi)}
#rail button[aria-current="true"] i{width:30px;background:var(--sumi)}

#foot{
  position:fixed;left:0;right:0;bottom:0;z-index:10;
  display:flex;justify-content:space-between;align-items:flex-end;
  padding:14px var(--pad) max(14px, env(safe-area-inset-bottom));
  background:linear-gradient(to top,var(--gofun) 58%,transparent);
  pointer-events:none;transition:background .5s var(--ease);
}
#foot>*{pointer-events:auto}
#crumb{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--nezumi)}
#next{background:none;border:0;cursor:pointer;color:var(--sumi-70);font-family:var(--gothic);font-size:13px;letter-spacing:.14em;display:flex;align-items:center;gap:10px;padding:8px 0}
#next:hover{color:var(--sumi)}
#next .ar{display:inline-block;font-family:var(--mono);animation:nudge 2.4s var(--ease) infinite}
@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
:focus-visible{outline:1px solid var(--sumi);outline-offset:4px}

/* ============ HOME ============ */
.hero{display:flex;gap:clamp(20px,4vw,64px);align-items:flex-start}
.hero-main{flex:1}
.hero h1{margin:.28em 0 .6em}
.tate{writing-mode:vertical-rl;font-family:var(--mincho);font-size:1.05rem;letter-spacing:.34em;color:var(--sumi-70);line-height:2.1;border-right:1px solid var(--hairline);padding-right:20px;max-height:15em}
.hero-act{display:flex;gap:14px;margin-top:2em;flex-wrap:wrap}
.link-btn{font-family:var(--gothic);font-size:14px;letter-spacing:.1em;cursor:pointer;background:var(--sumi);color:var(--gofun);border:1px solid var(--sumi);padding:15px 30px;transition:background .4s var(--ease),color .4s var(--ease)}
.link-btn:hover{background:transparent;color:var(--sumi)}
.link-btn.ghost{background:transparent;color:var(--sumi);border-color:var(--hairline)}
.link-btn.ghost:hover{border-color:var(--sumi)}
.stats{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:clamp(16px,3vw,40px);margin-top:clamp(24px,5vh,56px);padding-top:22px;border-top:1px solid var(--hairline)}
.stats b{display:block;font-size:clamp(1.7rem,3.4vw,2.3rem);font-weight:200;line-height:1.1}
.stats b i{font-style:normal;font-size:.9rem;color:var(--nezumi);margin-left:2px}
.stats b em{font-style:normal;font-family:var(--mincho);font-size:.9rem;color:var(--sumi-70);margin-right:2px}
.stats span{font-size:12px;color:var(--nezumi);letter-spacing:.06em}

/* ============ PRODUCT ============ */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;background:var(--hairline);border:1px solid var(--hairline);margin-top:clamp(20px,4vh,44px)}
.card{background:var(--washi);padding:clamp(20px,2.4vw,34px);transition:background .5s var(--ease)}
.card:hover{background:var(--gofun)}
.card h3{margin-bottom:.7em;padding-bottom:.7em;border-bottom:1px solid var(--hairline)}
.card p{font-size:.88rem;color:var(--sumi-70);line-height:1.85}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin-top:1.2em}
.tags li{font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--nezumi);border:1px solid var(--hairline);padding:4px 9px}

/* ============ WORKS ============ */
.wfilter{display:flex;gap:8px;flex-wrap:wrap;margin-top:clamp(16px,3vh,28px)}
.wfilter button{font-family:var(--gothic);font-size:12px;letter-spacing:.1em;cursor:pointer;background:transparent;color:var(--sumi-70);border:1px solid var(--hairline);padding:8px 16px;transition:all .35s var(--ease)}
.wfilter button:hover{border-color:var(--sumi)}
.wfilter button[aria-pressed="true"]{background:var(--sumi);color:var(--gofun);border-color:var(--sumi)}
.works{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:clamp(16px,2.6vw,34px);margin-top:clamp(18px,3vh,32px)}
.work{border-top:1px solid var(--sumi);padding-top:16px;cursor:pointer;background:none;border-left:0;border-right:0;border-bottom:0;text-align:left;font:inherit;color:inherit;width:100%;display:block;transition:opacity .35s var(--ease)}
.work:hover{opacity:.86}
.work.hide{display:none}
.work .kind{font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:var(--gofun);background:var(--sumi);padding:3px 8px;display:inline-block;margin-bottom:8px}
.work .place{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--nezumi);display:block;margin-bottom:4px}
.work h3{margin-bottom:.7em}
.work p{font-size:.85rem;color:var(--sumi-70);line-height:1.8}
.work dl{margin-top:1.1em;padding-top:1.1em;border-top:1px solid var(--hairline)}
.work dt{font-size:11px;color:var(--nezumi);letter-spacing:.1em;margin-bottom:4px}
.work dd{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.work dd s{color:var(--nezumi);font-size:.8rem}
.work dd em{font-style:normal;color:var(--nezumi)}
.work dd b{font-size:1.55rem;font-weight:300}
.work .shot{position:relative;margin:2px 0 14px;border:1px solid var(--hairline);background:var(--washi);aspect-ratio:16/11;overflow:hidden;display:block}
.work .shot img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block;transition:transform .7s var(--ease)}
.work:hover .shot img{transform:scale(1.05)}
.work .shot::after{content:"拡大 ↗";position:absolute;top:8px;right:8px;padding:4px 8px;background:var(--sumi);color:var(--gofun);font-family:var(--mono);font-size:10px;letter-spacing:.08em;opacity:0;transform:translateY(-4px);transition:opacity .35s var(--ease),transform .35s var(--ease)}
.work:hover .shot::after{opacity:1;transform:none}
.nophoto{display:grid;place-items:center;gap:6px;background:repeating-linear-gradient(45deg,transparent 0 11px,color-mix(in srgb,var(--hairline) 50%,transparent) 11px 12px)}
.nophoto .mark{font-family:var(--mono);font-size:13px;letter-spacing:.28em;color:var(--nezumi)}
.nophoto .sub{font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:var(--nezumi);opacity:.7}

/* ============ MODAL ============ */
#modal{position:fixed;inset:0;z-index:50;display:none;padding:clamp(16px,4vw,48px);align-items:center;justify-content:center;background:color-mix(in srgb,var(--gofun) 78%,transparent);backdrop-filter:blur(6px)}
#modal.open{display:flex;animation:fade .3s var(--ease)}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-box{position:relative;width:min(940px,100%);max-height:calc(100dvh - clamp(32px,8vw,96px));overflow-y:auto;background:var(--washi);border:1px solid var(--hairline);display:grid;grid-template-columns:1.05fr 1fr;box-shadow:0 30px 80px color-mix(in srgb,var(--sumi) 22%,transparent);animation:pop .4s var(--ease)}
@keyframes pop{from{transform:translateY(18px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal-figure{background:var(--gofun);border-right:1px solid var(--hairline);min-height:280px;position:relative;overflow:hidden}
.modal-figure img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}
.modal-figure .nophoto{position:absolute;inset:0}
.modal-body{padding:clamp(24px,3vw,44px);display:flex;flex-direction:column;gap:2px}
.modal-body .kind{font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:var(--gofun);background:var(--sumi);padding:3px 8px;align-self:flex-start;margin-bottom:12px}
.modal-body .place{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--nezumi);margin-bottom:6px}
.modal-body h3{font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:.6em}
.modal-body p{font-size:.92rem;color:var(--sumi-70);line-height:1.95}
.modal-body dl{margin-top:1.4em;padding-top:1.4em;border-top:1px solid var(--hairline)}
.modal-body dt{font-size:11px;color:var(--nezumi);letter-spacing:.12em;margin-bottom:6px}
.modal-body dd{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.modal-body dd s{color:var(--nezumi);font-size:.9rem}
.modal-body dd em{font-style:normal;color:var(--nezumi)}
.modal-body dd b{font-size:2rem;font-weight:300;font-family:var(--mincho)}
.modal-body .visit{margin-top:auto;padding-top:1.6em}
.modal-body .visit a{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--sumi);text-decoration:none;border-bottom:1px solid var(--sumi);padding-bottom:4px}
.modal-close{position:absolute;top:10px;right:10px;z-index:2;width:38px;height:38px;border-radius:50%;background:var(--washi);border:1px solid var(--hairline);color:var(--sumi);cursor:pointer;font-size:18px;line-height:1;display:grid;place-items:center;transition:background .3s var(--ease),color .3s var(--ease)}
.modal-close:hover{background:var(--sumi);color:var(--gofun)}

/* ============ PRICE ============ */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:clamp(12px,2vw,26px);margin-top:clamp(18px,3.6vh,40px)}
.plan{border:1px solid var(--hairline);padding:clamp(18px,2.2vw,30px);position:relative;background:var(--washi);transition:border-color .5s var(--ease),background .5s var(--ease)}
.plan:hover{border-color:var(--sumi)}
.plan.mark{border-color:var(--sumi)}
.badge{position:absolute;top:-1px;left:-1px;background:var(--sumi);color:var(--gofun);font-size:10px;letter-spacing:.14em;padding:5px 12px}
.plan.mark h3{margin-top:1.2em}
.fee{display:flex;align-items:baseline;gap:3px;margin:.6em 0 1em;padding-bottom:1em;border-bottom:1px solid var(--hairline)}
.fee i{font-style:normal;font-family:var(--mincho);font-size:1rem;color:var(--nezumi)}
.fee b{font-family:var(--mincho);font-weight:200;font-size:2rem;font-variant-numeric:tabular-nums}
.fee span{font-size:11px;color:var(--nezumi);letter-spacing:.06em}
.plan ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.plan li{font-size:.8rem;color:var(--sumi-70);padding-left:16px;position:relative}
.plan li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:1px;background:var(--nezumi)}
.note{font-size:11px;color:var(--nezumi);margin-top:20px;max-width:none;line-height:1.9}

/* ============ COMPANY ============ */
.co{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:clamp(20px,4vw,56px);margin-top:clamp(18px,3.6vh,40px)}
.co-txt p{font-size:.9rem;color:var(--sumi-70);line-height:2}
.co-txt p+p{margin-top:1.2em}
.co-tbl div{display:grid;grid-template-columns:5.5em 1fr;gap:14px;padding:10px 0;border-bottom:1px solid var(--hairline)}
.co-tbl dt{font-size:11px;color:var(--nezumi);letter-spacing:.12em;padding-top:.35em}
.co-tbl dd{font-size:.85rem;line-height:1.7}

/* ============ CONTACT + Contact Form 7 ============ */
.ct{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:clamp(20px,4vw,56px);margin-top:clamp(18px,3.6vh,40px)}
.ct-info div{display:grid;grid-template-columns:5em 1fr;gap:14px;padding:10px 0;border-bottom:1px solid var(--hairline)}
.ct-info dt{font-size:11px;color:var(--nezumi);letter-spacing:.12em;padding-top:.3em}
.ct-info dd{font-size:.9rem;line-height:1.7}

/* 素の form も CF7 出力(.wpcf7-form)も同じ見た目に */
.ct-form,.wpcf7-form{display:flex;flex-direction:column;gap:4px}
.ct-form label,.wpcf7-form label,.wpcf7-form p{display:flex;flex-direction:column;gap:6px;font-size:11px;letter-spacing:.12em;color:var(--nezumi);margin:0}
.ct-form input,.ct-form textarea,
.wpcf7-form input[type=text],.wpcf7-form input[type=email],.wpcf7-form input[type=tel],.wpcf7-form textarea{
  font-family:var(--gothic);font-size:16px;color:var(--sumi);background:transparent;
  border:0;border-bottom:1px solid var(--hairline);padding:10px 2px;resize:vertical;
  transition:border-color .4s var(--ease);width:100%;
}
.ct-form input:focus,.ct-form textarea:focus,
.wpcf7-form input:focus,.wpcf7-form textarea:focus{outline:none;border-bottom-color:var(--sumi)}
.wpcf7-form .wpcf7-form-control-wrap{display:block}
.ct-form button[type=submit],
.wpcf7-form input[type=submit],.wpcf7-form button[type=submit]{
  align-self:flex-start;margin-top:12px;cursor:pointer;width:auto;
  font-family:var(--gothic);font-size:14px;letter-spacing:.1em;
  background:var(--sumi);color:var(--gofun);border:1px solid var(--sumi);padding:15px 30px;
  transition:background .4s var(--ease),color .4s var(--ease);
}
.ct-form button[type=submit]:hover,
.wpcf7-form input[type=submit]:hover,.wpcf7-form button[type=submit]:hover{background:transparent;color:var(--sumi)}
/* CF7 の各種メッセージ */
.wpcf7 .wpcf7-not-valid-tip{font-family:var(--gothic);font-size:11px;letter-spacing:.04em;color:var(--sumi);text-decoration:underline;text-underline-offset:3px}
.wpcf7-response-output{font-family:var(--gothic);font-size:12px;letter-spacing:.04em;margin:14px 0 0!important;padding:12px 14px!important;border:1px solid var(--hairline)!important;color:var(--sumi-70)}
.wpcf7 form.invalid .wpcf7-response-output,.wpcf7 form.unaccepted .wpcf7-response-output{border-color:var(--sumi)!important}
.wpcf7-spinner{background-color:var(--nezumi)}
#form-msg{font-size:12px;color:var(--sumi-70);min-height:1.6em}
#form-msg.err{color:var(--sumi);text-decoration:underline;text-underline-offset:4px}

/* ============ スマホ最適化 ============ */
@media (max-width:760px){
  body{font-size:17px}
  .tate{display:none}
  #rail span{display:none}
  #rail{right:10px}
  .hero-act .link-btn{flex:1;text-align:center;padding:15px 10px}
  .stats{grid-template-columns:repeat(2,1fr);gap:18px}
  #logo{letter-spacing:.22em}
  #crumb{display:none}
  #foot{justify-content:center}
  .panel{padding-bottom:calc(var(--pad) + 96px);padding-right:calc(var(--pad) + 26px)}
  .modal-box{grid-template-columns:1fr}
  .modal-figure{aspect-ratio:16/10;min-height:0;border-right:0;border-bottom:1px solid var(--hairline)}
}
@media (max-width:760px) and (pointer:coarse){
  .wfilter button{padding:11px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:1ms !important;animation-duration:1ms !important}
}