/*
Theme Name: mitsuna
Theme URI: https://mitsuna.co.jp/
Author: 株式会社mitsuna
Description: 株式会社mitsuna 公式サイト専用テーマ。グレーの紙面×チャコール×グリーン、スクロール連動アニメーション付き。実績は管理画面「実績」から更新できます。
Version: 1.1.0
Requires at least: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: mitsuna
*/
/* Layout: fixed left rail (white) + editorial main column; grain-textured grey paper, charcoal chapters, green spray as the one bold element */
:root{
  --paper:#e4e3e1; --rail:#ffffff; --ink:#262626; --ink-soft:#5f5f5c; --line:#cfcdca;
  --night:#232524; --night-ink:#f1f0ee; --night-soft:#bdbcb8;
  --green:#2f7a4d; --green-lite:#7fcf9b;
  --display:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --latin:"Archivo","Helvetica Neue",Helvetica,sans-serif;
  --rail-w:120px;
  --grain:none;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--display);font-size:15px;line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
a:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.grain{position:relative;isolation:isolate}
.grain::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.28;mix-blend-mode:multiply;pointer-events:none;z-index:1}
.night.grain::after{mix-blend-mode:screen;opacity:.12}
.skew{transform:skewX(-9deg);transform-origin:left bottom;display:inline-block}
.eyebrow{font-family:var(--latin);font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--ink-soft);margin:0}
.en{font-family:var(--latin);font-weight:900;font-style:italic;letter-spacing:.03em}

/* rail */
.rail{position:fixed;left:0;top:0;bottom:0;width:var(--rail-w);background:var(--rail);border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;z-index:20;padding-top:env(safe-area-inset-top,0px)}
.rail-top{display:flex;flex-direction:column;gap:48px;padding:26px 20px}
.brand{display:flex;flex-direction:column;gap:6px;text-decoration:none}
.brand span{font-family:var(--latin);font-size:11px;font-weight:800;letter-spacing:.04em}
.rail nav{display:flex;flex-direction:column;gap:12px}
.rail nav a{font-family:var(--latin);font-size:11px;font-weight:800;letter-spacing:.1em;text-decoration:none;color:#9a9995;display:flex;align-items:center;gap:8px;min-height:24px;transition:color .3s}
.rail nav a::before{content:"";width:0;height:2px;background:var(--green);transition:width .3s}
.rail nav a.is-active{color:var(--ink)}
.rail nav a.is-active::before{width:12px}
.progress{margin:0 20px;height:120px;width:2px;background:var(--line);position:relative}
.progress i{position:absolute;inset:0;background:var(--green);transform-origin:top;transform:scaleY(0)}
.rail-cta{display:flex;flex-direction:column;gap:2px;padding:18px 20px calc(18px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--night-ink);text-decoration:none}
.rail-cta b{font-family:var(--latin);font-size:17px;font-weight:900;font-style:italic}
.rail-cta small{font-size:10px;letter-spacing:.1em}

main{margin-left:var(--rail-w);min-width:0}
section{position:relative}
.inner{padding-inline:clamp(20px,7vw,96px)}

/* hero */
.hero{min-height:680px;height:92vh;max-height:900px;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.blob{position:absolute;border-radius:50%;pointer-events:none;filter:blur(2px)}
.hero .blob{right:-14%;top:12%;width:62vw;max-width:820px;aspect-ratio:1.15;background:radial-gradient(closest-side,var(--green) 0%,rgba(47,122,77,.55) 38%,rgba(47,122,77,.15) 70%,rgba(228,227,225,0) 100%)}
.hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;gap:26px}
.hero h1{margin:0;font-size:clamp(46px,8.4vw,112px);font-weight:900;line-height:1.14;letter-spacing:-.01em}
.line{display:block;overflow:hidden;padding-bottom:.06em}
.line > span{display:inline-block}
.hero .en{margin:0;font-size:clamp(13px,1.6vw,21px);color:var(--green)}
.scroll-cue{position:absolute;left:clamp(20px,7vw,96px);bottom:32px;z-index:2;font-family:var(--latin);font-size:11px;font-weight:800;letter-spacing:.2em;display:flex;align-items:center;gap:12px}
.scroll-cue i{width:1px;height:44px;background:var(--ink);transform-origin:top;animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* message */
.message{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(32px,6vw,96px);align-items:center;padding-block:96px}
.message .head{display:flex;flex-direction:column;gap:20px}
.message h2{margin:0;font-size:clamp(38px,5vw,64px);font-weight:900;line-height:1.25}
.message .en{font-size:13px;margin:0}
.vtext{writing-mode:vertical-rl;height:min(470px,70vh);font-size:clamp(15px,1.5vw,18px);font-weight:700;line-height:2.4;letter-spacing:.14em}
.vtext span{display:block}

/* marquee */
.marquee{background:var(--green);color:#0f1a13;overflow:hidden;padding-block:18px;white-space:nowrap}
.marquee-track{display:inline-flex;gap:36px;font-family:var(--display);font-weight:900;font-size:clamp(20px,2.6vw,32px);will-change:transform}
.marquee-track span{display:inline-flex;gap:36px;align-items:center}
.marquee-track em{font-style:normal;font-family:var(--latin);font-weight:900}

/* service */
.night{background:var(--night);color:var(--night-ink)}
.service{padding-block:120px;display:flex;flex-direction:column;gap:64px;overflow:hidden}
.service .eyebrow{color:#9d9c98}
.service-head{display:flex;flex-direction:column;gap:40px;position:relative;z-index:2}
.statement{margin:12px 0 0;font-family:var(--latin);font-size:clamp(40px,7.4vw,96px);font-weight:900;line-height:.95;letter-spacing:-.01em;overflow-wrap:anywhere}
.statement span{display:block}
.statement span:nth-child(2){color:var(--green-lite)}
.service-head > p{margin:0 0 0 auto;color:var(--night-soft);line-height:2.1;max-width:30em}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px;background:#3a3c3b;position:relative;z-index:2}
.card{background:var(--night);padding:40px 32px;display:flex;flex-direction:column;gap:14px}
.card .en{color:var(--green-lite);font-size:13px}
.card h3{margin:0;font-size:clamp(24px,2.4vw,30px);font-weight:900;line-height:1.35}
.card p{margin:0;color:var(--night-soft);font-size:14px}

/* works */
.works{padding-block:120px 80px;display:flex;flex-direction:column;gap:56px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.sec-head h2{margin:10px 0 0;font-size:clamp(38px,5vw,60px);font-weight:900;line-height:1.2}
.more{font-family:var(--latin);font-size:13px;font-weight:900;font-style:italic;letter-spacing:.06em;text-decoration:none;border-bottom:2px solid var(--ink);padding-bottom:4px}
.work-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.work{display:flex;flex-direction:column;gap:14px}
.is-staggered .work:nth-child(2){margin-top:64px}.is-staggered .work:nth-child(3){margin-top:128px}
.shot{aspect-ratio:3/4;max-width:100%;background:linear-gradient(160deg,#c9c7c3,#a9a7a3);position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:14px;font-size:12px;color:#3d3d3b}
.shot::before{content:"";position:absolute;inset:-20%;background-image:var(--grain);opacity:.35;mix-blend-mode:multiply}
.shot span{position:relative}
.work .meta{font-family:var(--latin);font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--ink-soft)}
.work h3{margin:0;font-size:21px;font-weight:900;line-height:1.5}

/* about */
.about{padding-block:40px 120px;display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:clamp(32px,6vw,64px);align-items:start}
.about h2{margin:10px 0 0;font-family:var(--latin);font-size:clamp(40px,4.6vw,56px);font-weight:900;font-style:italic;line-height:1}
.profile{background:var(--rail);padding:clamp(24px,4vw,48px);display:flex;flex-direction:column;gap:18px;min-width:0}
.profile .name{margin:0;font-size:22px;font-weight:900}
.profile p{margin:0;color:#3f3f3d}
.facts{display:grid;grid-template-columns:120px minmax(0,1fr);border-top:1px solid #dcdbd8;font-size:14px}
.facts dt,.facts dd{margin:0;padding:14px 0;border-bottom:1px solid #dcdbd8}
.facts dt{color:var(--ink-soft)}

/* contact */
.contact{padding-block:120px 48px;overflow:hidden;display:flex;flex-direction:column;gap:96px}
.contact .blob{right:-12%;bottom:-30%;width:60vw;max-width:760px;aspect-ratio:1.15;background:radial-gradient(closest-side,var(--green) 0%,rgba(47,122,77,.45) 42%,rgba(35,37,36,0) 100%)}
.contact-body{position:relative;z-index:2;display:flex;flex-direction:column;gap:32px}
.contact h2{margin:0;font-size:clamp(46px,7vw,92px);font-weight:900;line-height:1.15}
.btn{align-self:flex-start;display:inline-flex;align-items:center;gap:14px;min-height:64px;padding:0 36px;background:var(--night-ink);color:var(--night);text-decoration:none;font-family:var(--latin);font-size:18px;font-weight:900;font-style:italic;transition:transform .3s,background .3s}
.btn:hover{transform:translateX(6px);background:var(--green-lite)}
.foot{position:relative;z-index:2;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#9d9c98;border-top:1px solid #444;padding-top:22px}

@media (max-width:860px){
  :root{--rail-w:0px}
  .rail{top:0;bottom:auto;left:0;right:0;width:auto;height:auto;flex-direction:row;align-items:center;border-right:0;border-bottom:1px solid var(--line)}
  .rail-top{flex-direction:row;align-items:center;gap:16px;padding:10px 16px;min-width:0;overflow-x:auto}
  .brand{flex-direction:row;align-items:center;flex-shrink:0}
  .rail nav{flex-direction:row;gap:14px}
  .rail nav a::before{display:none}
  .progress{display:none}
  .rail-cta{padding:12px 16px;flex-shrink:0}
  .rail-cta small{display:none}
  .rail-cta b{font-size:14px}
  main{padding-top:56px}
  .hero{height:auto;min-height:560px;padding-block:80px}
  .message{grid-template-columns:1fr;min-height:0}
  .vtext{height:360px;justify-self:end}
  .about{grid-template-columns:1fr}
  .service-head > p{margin-left:0}
  .cards,.work-grid{grid-template-columns:1fr}
  .work:nth-child(n){margin-top:0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .scroll-cue i{animation:none}
}

/* ---------- theme additions ---------- */
.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:#fff;padding:12px 16px}
.skip-link:focus{left:16px;top:16px}
.rail nav a[aria-current="page"],.rail nav .current-menu-item > a{color:var(--ink)}
.rail nav .menu-item{list-style:none}
.rail .brand{color:var(--ink)}
.contact .eyebrow{color:#9d9c98}
.more-light{color:var(--night-ink);border-color:var(--night-ink);align-self:flex-start;position:relative;z-index:2}
.en-title{margin:10px 0 0;font-family:var(--latin);font-size:clamp(40px,6vw,80px);font-weight:900;font-style:italic;line-height:1;letter-spacing:.01em}
.about .en-title{font-size:clamp(40px,4.6vw,56px)}

/* inner page head */
.page-head{padding-block:clamp(72px,10vw,140px) clamp(40px,6vw,72px);overflow:hidden;display:flex;flex-direction:column;gap:16px}
.page-head .blob{right:-18%;top:-40%;width:56vw;max-width:720px;aspect-ratio:1.15;background:radial-gradient(closest-side,var(--green) 0%,rgba(47,122,77,.45) 40%,rgba(228,227,225,0) 100%)}
.page-head h1{margin:0;position:relative;z-index:2;font-size:clamp(36px,5.6vw,72px);font-weight:900;line-height:1.2}
.page-head h1.en-title{font-size:clamp(44px,7vw,96px)}
.page-head .eyebrow,.page-head .lead{position:relative;z-index:2}
.page-head .lead{margin:0;max-width:40em;color:var(--ink-soft)}

/* works archive */
.works-archive{padding-block:24px 120px}
.works-archive .work-grid{row-gap:56px}
.shot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.15)}
.shot-mark{position:relative;font-family:var(--latin);font-weight:900;font-style:italic;font-size:22px;color:#6d6c69}
.work-text{font-size:14px;color:#3f3f3d}
.work-text p{margin:0}
.work-tags{margin:0;display:flex;flex-wrap:wrap;gap:6px 12px;font-family:var(--latin);font-size:12px;font-weight:800;color:var(--green)}

/* entry content (pages / posts built in the block editor) */
.entry{padding-block:24px 120px;max-width:1100px}
.entry > *{max-width:760px}
.entry > .alignwide,.entry > .alignfull,.entry > .wp-block-group,.entry > .wp-block-columns,.entry > .wp-block-media-text,.entry > .wp-block-cover,.entry > .wp-block-html{max-width:none}
.entry h2{font-size:clamp(28px,3.4vw,42px);font-weight:900;line-height:1.3;margin:1.6em 0 .6em}
.entry h3{font-size:clamp(20px,2vw,24px);font-weight:900;line-height:1.5;margin:1.4em 0 .4em}
.entry p{margin:0 0 1.2em}
.entry a{color:var(--green);text-underline-offset:3px}
.entry img{height:auto}
.entry .has-text-align-center{text-align:center}
.entry .wp-block-group{padding:0}
.entry .wp-block-columns{display:flex;flex-wrap:wrap;gap:32px;margin-block:32px}
.entry .wp-block-column{flex:1 1 240px;min-width:0}
.entry .wp-block-media-text{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center;margin-block:32px}
.entry .wp-block-media-text img{width:100%;height:100%;object-fit:cover}
.entry .wp-block-image{margin:0 0 24px}
.entry .wp-block-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-block:24px}
.entry .wp-block-button__link{display:inline-flex;align-items:center;min-height:52px;padding:0 28px;background:var(--ink);color:var(--night-ink);text-decoration:none;font-weight:700}
.entry .wp-block-button__link:hover{background:var(--green)}
.entry .has-tertiary-background-color,.entry .has-secondary-background-color{background:#fff}
.entry .has-primary-background-color{background:var(--green);color:#fff}
.entry .has-background{padding:clamp(20px,3vw,36px)}
.entry iframe{max-width:100%}
.entry .ext-animate--on{opacity:1!important;transform:none!important}
.btn-dark{background:var(--ink);color:var(--night-ink)}
.news-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.news-list li{display:flex;gap:24px;padding:18px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.news-list time{font-family:var(--latin);font-weight:800;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.news-list a{text-decoration:none;font-weight:700}
@media (max-width:860px){
  .rail nav{display:flex}
  .entry .wp-block-media-text{grid-template-columns:1fr}
}